import java.util.*;
import java.util.zip.*;
import java.util.List;
import java.util.regex.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.locks.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import java.lang.ref.*;
import java.lang.management.*;
import java.security.*;
import java.security.spec.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.imageio.*;
import java.math.*;


import org.jsoup.*;
import org.jsoup.nodes.*;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import java.text.*;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.TimeZone;
import net.dv8tion.jda.core.events.Event;
import net.dv8tion.jda.core.events.user.update.*;
import net.dv8tion.jda.core.events.guild.member.*;
import net.dv8tion.jda.core.Permission;
import net.dv8tion.jda.core.requests.restaction.MessageAction;
import net.dv8tion.jda.core.requests.RestAction;
import java.util.function.Consumer;
import javax.swing.border.*;
import java.awt.datatransfer.StringSelection;
import javax.swing.event.AncestorListener;
import javax.swing.event.AncestorEvent;
import javax.swing.Timer;
import javax.swing.undo.UndoManager;
import javax.imageio.metadata.*;
import javax.imageio.stream.*;
import java.awt.geom.*;
import net.dv8tion.jda.core.*;
import net.dv8tion.jda.core.entities.*;
import net.dv8tion.jda.core.entities.Member;
import net.dv8tion.jda.core.hooks.*;
import net.dv8tion.jda.core.events.message.*;
import net.dv8tion.jda.core.events.message.react.*;

class main {

static class NLRulesBot extends DynTalkBot2<NLRulesBot.ByServer> {
  void init() {
    super.init();
    makeByServer = () -> new ByServer();
    useAGIBlueForDropPunctuation = false;
    preprocessAtSelfToMyName = false;
    dropPunctuation = false;
    print("Total rules in all guilds: " + totalRuleCount());
  }
  
  static class Rule {
    GlobalID globalID = aGlobalIDObj();
    String text, comment;
    
    Rule() {} Rule(String text) {
  this.text = text;}
  }
  
  String renderRule(Rule r) {
    return r == null ? null : appendNewLineIfNempty(r.comment) + "Rule " + r.globalID + ": " + r.text;
  }

  class ByServer extends DynTalkBot2<NLRulesBot.ByServer>.ByServer {
    List<Rule> rules = new ArrayList();
    Set<Long> priorityChannels = new HashSet(); // where we always respond
    boolean enableMagicQuotes = true;
    Map<Long, String> topicByChannel = new HashMap();
    
    SimpleFactStore factStore = new SimpleFactStore();
    StringClustersWithIDs synonyms = new StringClustersWithIDs();
    
    
    
    void _doneLoading() { synonyms.onChange(new Runnable() {  public void run() { try {  change(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "change();"; }}); }
    
    String processSimplifiedLine(String s, Object... __) {
       String __2 = super.processSimplifiedLine(s, __); if (!empty(__2)) return __2; 
      return fullTrim(processSimplifiedLine2(s, __));
    }
    
    String processSimplifiedLine2(String s, Object... __) {
      Lock __0 = myLock(); lock(__0); try {

       String __3 = factStore_cmds(factStore, s, authed(__)); if (!empty(__3)) return __3; 
      { String __4 = philosophyBotWithFactStore_discordAnswer(
      ai_weightChangeBot_theory(), factStore, s, __); if (!empty(__4)) return __4; }
      
      long channelID = longPar("channelID",__);
      
      Matches m = new Matches();
      String s2 = dropMyPrefixOrNull(s);
      if (s2 != null) s = s2;
      else if (!contains(priorityChannels, channelID)) return null;
      Message msg =  (Message) (optPar("msg",__));
      Message.Attachment attachment = msg == null ? null : first(msg.getAttachments());
      if (attachment != null) {
        File file = prepareCacheProgramFile(guildID + "/" + attachment.getFileName());
        print("Downloading attachment: " + file);
        deleteFile(file);
        if (!attachment.download(file)) return "Couldn't download attachment";
        List<String> lines = tlft(loadTextFile(file));
        print("First line: " + first(lines));
        if (!swic(first(lines), "rule ")) print("File does not contain rules");
        else {
          List<T3<String, String, String>> toImport = new ArrayList(); // (globalID, text, comment)
          List<String> comment = new ArrayList();
          for (String line : lines) {
            List<String> l = regexpICFullMatch_groups("Rule ([a-z]+):(.*)$", line);
            if (nempty(l)) {
              toImport.add(t3(first(l), second(l), lines_rtrim(comment)));
              comment.clear();
            } else
              comment.add(line);
          }
          String found = "Found " + nRules(toImport) + " in attachment";
          
          int oldCount = l(rules);
          Map<GlobalID, Rule> existing = indexByField("globalID",rules);
          int updated = 0, added = 0;
          for (T3<String, String, String> rule : toImport) {
            GlobalID id = new GlobalID(rule.a);
            String text = trim(rule.b);
            Rule r = existing.get(id);
            if (r == null) {
              r = new Rule(text);
              r.globalID = id;
              r.comment = rule.c;
              rules.add(r);
              existing.put(id, r);
              ++added;
            } else if (neq(r.text, text)) {
              r.comment = rule.c;
              r.text = text;
              ++updated;
            }
          }
          
          if (added+updated > 0) change();
          return found + ". Had: " + oldCount + ". Added: " + added + ". Updated: " + updated + ". New count: " + l(rules);
        }
      }

      // duplicated patterns go here
      if (match("on * say *", s, m) || match("on * or * say *", s, m) || match("on keyword * and * say *", s, m) || match("on keyword * and keyword * say *", s, m) || match("on keyword * or * say *", s, m) || match("on keyword * say *", s, m) || match("on *, image-google X", s, m) || match("on *, google X", s, m) || match("when <*> comes online, say *", s, m) || match("on bot keyword * and keyword *, say *", s, m) || match("on conversation keyword * and *, say *", s, m) || match("on topic * and *, say *", s, m) || match("on topic * and keyword *, say *", s, m)) {
        Rule r = firstWhereIC(rules, "text" , s);
        if (r != null) return "Rule exists: " + r.globalID;
        rules.add(r = new Rule(s));
        change();
        return "Rule added with ID " + r.globalID;
      }
      
      if (match("rules", s) || match("rules as file", s)) {
        if (empty(rules)) return "No rules defined yet";
        uploadFileInChannel(channelID,
          toUtf8(lines(map(r -> renderRule(r), rules))),
          genericTextFileName(), null, null);
        return null;
      }

      if (match("delete rule *", s, m) || match("delete rule with id *", s, m)) {
         String __5 = checkAuth(__); if (!empty(__5)) return __5; 
        Rule r = firstWhere(rules, "globalID" , new GlobalID(m.unq(0)));
        if (r == null) return "Rule " + m.unq(0) + " not found";
        rules.remove(r);
        change();
        return "Rule deleted, " + nRule(rules) + " remain";
      }
      
      if (match("delete all rules", s)) {
        appendToTextFile(programFile("backups.txt"), guildStructure());
        { String __6 = checkAuth(__); if (!empty(__6)) return __6; }
        rules.clear();
        change();
        return "All rules deleted";
      }
      
      if (match("priority channel on", s)) {
         String __7 = checkAuth(__); if (!empty(__7)) return __7; 
        priorityChannels.add(channelID); change();
        return "OK";
      }

      if (match("priority channel off", s)) {
         String __8 = checkAuth(__); if (!empty(__8)) return __8; 
        priorityChannels.remove(channelID); change();
        return "OK";
      }
      
      if (match("disable magic quotes", s)) {
         String __9 = checkAuth(__); if (!empty(__9)) return __9; 
        enableMagicQuotes = false; change();
        return "OK";
      }
      
      if (matchX("add synonym ...", s, m) || matchX("add synonyms ...", s, m)) {
        List<String> tok = unquoteAll(wordTokC(m.rest()));
        printStruct("tok", tok);
        if (l(tok) <= 1) return "Give me at least 2 synonyms, dude";
        for (int i = 1; i < l(tok); i++)
          synonyms.addPair(first(tok), tok.get(i));
        return "OK: " + synonyms.clusterWith(first(tok)).synonyms;
      }
      
      if (match("delete synonym cluster *", s, m)) {
        StringClustersWithIDs.Cluster c = synonyms.clusterWith(m.unq(0));
        if (c == null) return "Cluster not found";
        synonyms.remove(c);
        return "Synonym cluster deleted: " + c.synonyms;
      }
      
      if (match("delete synonym * from cluster *", s, m)) {
        StringClustersWithIDs.Cluster c = synonyms.clusterWith(m.unq(0));
        if (c == null) return "Cluster not found";
        if (!c.synonyms.remove(m.unq(0))) return format("Synonym * not found in " + c.synonyms);
        change();
        if (l(c.synonyms) <= 1) synonyms.remove(c);
        return "OK";
      }
      
      if (match("list synonyms", s))
        return or2(lines(map(synonyms.clusters, c -> join(" = ", c.synonyms))), "No synonyms defined");
        
      if (match("list synonyms for *", s, m)) {
        Collection<StringClustersWithIDs.Cluster> l = synonyms.searchForCluster(m.unq(0));
        return or2(lines(map(l, c -> join(" = ", c.synonyms))), format("No synonyms found for *", m.unq(0)));
      }
        
      if (match("print log", s)) {
         String __10 = checkAuth(__); if (!empty(__10)) return __10; 
        return str(_actualPrintLog());
      }

      if (match("lottery print log", s)) {
         String __11 = checkAuth(__); if (!empty(__11)) return __11; 
        String mod = dm_findModule("#1025913/LotteryBot");
        if (mod == null) return "Not loaded";
        return mod + "\n" + str(dm_call(mod, "_actualPrintLog"));
      }
      
      if (match("lottery enabled", s)) {
         String __12 = checkAuth(__); if (!empty(__12)) return __12; 
        return str(dm_get(dm_findModule("#1025913/LotteryBot"), "enabled"));
      }
      
      if (match("lottery last error", s)) {
         String __13 = checkAuth(__); if (!empty(__13)) return __13; 
        return str(dm_get(dm_findModule("#1025913/LotteryBot"), "_error"));
      }
      
      if (match("lottery reload", s)) {
         String __14 = checkAuth(__); if (!empty(__14)) return __14; 
        dm_reloadModule(dm_findModule("#1025913/LotteryBot"));
        return "OK (maybe)";
      }
      
      if (eqic(s, "help"))
        return ltrim("\r\nI execute simple English rules.\r\n\r\nStuff to say.\r\n@me `on \"hello bot\" say \"who are you\"`\r\n@me `on keyword \"time\" say \"it is always time for a tea\"`\r\n@me `on \"what is X\" google X`\r\n@me `on \"show me X\" image-google X`\r\n@me `on bot keyword \"game\" and keyword \"sure\" say \"let's play tic tac toe\"`\r\n@me `on topic \"weather\" and \"nice\", say \"so the sun is shining?\"`\r\n@me `when @user comes online, say \"hello friend\"`\r\n@me `rules` / `rules as file` - list rules\r\n@me `delete rule abcdefghijkl` - delete rule with ID\r\n\r\n@me `add synonyms thx \"thank you\" thanks` - add synonyms\r\n@me `delete synonym cluster thx` - delete all synonyms of thx\r\n@me `delete synonym thx from cluster thanks` - delete a single synonym\r\n@me `list synonyms` / `list synonyms for \"thank you\"`\r\n\r\n@me `topic` - show current topic for channel (see: conversation keyword)\r\n@me `forget the topic` / `forget <topic>` - forget current topic\r\n\r\n@me `priority channel on` - respond to every msg\r\n@me `priority channel off` - respond to msgs with my name only\r\n@me `masters` / `add master <username>` / `delete master <username>`\r\n@me `help` / `support` / `source code`\r\n@me `download` - download my brain for this guild\r\n\r\nTo fill me with rules, just upload the file you got from `rules as file` to the channel.\r\n\r\n[Bot made by https://BotCompany.de]\r\n  ").replace("@me", atSelf());
  
      // find rule to execute
      
      LinkedHashSet<String> outs = new LinkedHashSet();
      LinkedHashSet<String> outs2 = new LinkedHashSet(); // higher priority (two matches)
      
      for (Rule r : rules) { try {
        // IMPORTANT: patterns are duplicated above
        
        if (matchX2("on conversation keyword * and *, say *|on topic * and *, say *|on topic * and keyword *, say *", r.text, m)) {
          String in1 = m.unq(0), in2 = m.unq(1), out = m.unq(2);
          if (findWithSynonyms(in1, s))
            if (put_trueIfChanged(topicByChannel, channelID, in1)) change();
          if (synonyms.eqicOrInSameCluster(topicByChannel.get(channelID), in1)
            && findWithSynonyms(in2, s))
            outs2.add(rewrite(out, __));
        }
        
        if (match("on * say *", r.text, m)) {
          String in = m.unq(0), out = m.unq(1);
          if (matchWithSynonyms(in, s))
            outs.add(rewrite(out, __));
        }
        
        if (match("on * or * say *", r.text, m)) {
          String in1 = m.unq(0), in2 = m.unq(1), out = m.unq(2);
          if (matchWithSynonyms(in1, s) || matchWithSynonyms(in2, s))
            outs.add(rewrite(out, __));
        }
        
        if (match_vbar("on keyword * and * say *|on keyword * and keyword * say *", r.text, m)) {
          String in1 = m.unq(0), in2 = m.unq(1), out = m.unq(2);
          if (findWithSynonyms(in1, s) && findWithSynonyms(in2, s))
            outs2.add(rewrite(out, __));
        }
        
        if (match("on keyword * or * say *", r.text, m)) {
          String in1 = m.unq(0), in2 = m.unq(1), out = m.unq(2);
          if (findWithSynonyms(in1, s) || findWithSynonyms(in2, s))
            outs2.add(rewrite(out, __));
        }
        
        if (match("on bot keyword * and keyword *, say *", r.text, m)) {
          ISaid lastSaid = lastSaidInChannel.get(channelID);
          if (lastSaid != null) {
            String in1 = m.unq(0), in2 = m.unq(1), out = m.unq(2);
            if (findWithSynonyms(in1, lastSaid.text) && findWithSynonyms(in2, s))
              outs2.add(rewrite(out, __));
          }
        }

        if (match("on keyword * say *", r.text, m)) {
          String in = m.unq(0), out = m.unq(1);
          if (findWithSynonyms(in, s))
            outs.add(rewrite(out, __));
        }
        
        if (match("on *, image-google X", r.text, m))
          if (flexMatchIC(replaceWord(m.unq(0), "X", "*"), s, m)) {
            boolean nsfw = discord_isNSFWChannel_gen(optPar("channel",__));
            print("nsfw", nsfw);
            BufferedImage img = nsfw ? quickVisualize_nsfw(m.unq(0)) : quickVisualize(m.unq(0));
            if (img == null) return "No image found, sorry!";
            postImage(paramsToMap(__), uploadToImageServer(img, m.unq(0)));
            // null;
          }
          
        if (match("on *, google X", r.text, m))
          if (flexMatchIC(replaceWord(m.unq(0), "X", "*"), s, m)) {
            boolean nsfw = discord_isNSFWChannel_gen(optPar("channel",__));
            print("nsfw", nsfw);
            return discord_google(m.unq(0), "results" , 1, "safeSearch" , !nsfw);
          }
      } catch (Throwable __e) { _handleException(__e); }}
      
      if (match("topic", s) || match("conversation keyword", s)) {
        String topic = topicByChannel.get(channelID);
        return nempty(topic) ? "Current topic in this channel is: " + topic : "No topic set in this channel";
      }
      
      if (match("forget topic", s) || match("forget the topic", s))
        return forgetTopic(channelID);
        
      if (matchStartX("forget ...", s, m))
        if (synonyms.eqicOrInSameCluster(m.unq(0), topicByChannel.get(channelID)))
          return forgetTopic(channelID);

      if (match("download", s)) {
        Guild guild =  (Guild) (optPar("guild",__));
        MessageChannel channel =  (MessageChannel) (optPar("channel",__));
        return serveGuildBackup(channel, guild,
          structure_nullingInstancesOfClass(_getClass(module()), ByServer.this));
      }
      
      if (match("stats", s))
        return "I have " + nRules(rules) + " and know " + n2(synonyms.totalCount(), "synonym");
        
      if (match("masters", s))
        return renderMasters();
      
      { String __15 = random(outs2); if (!empty(__15)) return __15; }
      { String __16 = random(outs); if (!empty(__16)) return __16; }
      
      if (enableMagicQuotes)
        { String __17 = answer_magicQuoteInput(s, "useTranspiled" , true); if (!empty(__17)) return __17; }
      return null;
    } finally { unlock(__0); } }
    
    String rewrite(String answer, Object... __) {
      if (containsIC(answer, "<user>")) {
        String name =  (String) (optPar("name",__));
        if (empty(name)) name = discord_optParUserName(__);
        if (nempty(name))
          answer = replaceIC(answer, "<user>", name);
      }
      return answer;
    }
    
    void onOnlineStatusChange(UserUpdateOnlineStatusEvent e) {
      User user = e.getMember().getUser();
      print("User status change: " + user + " " + e.getOldValue() + " -> " + e.getNewValue());
      
      // only react to user coming online
      if (e.getOldValue() != OnlineStatus.OFFLINE) return;
      
      long id = user.getIdLong();
      
      LinkedHashSet<String> outs = new LinkedHashSet();
      Matches m = new Matches();

      for (Rule r : rules) { try {
        // IMPORTANT: patterns are duplicated above
        
        if (match("when <*> comes online, say *", r.text, m)) {
          long _id = parseLongOpt(m.unq(0));
          String out = m.unq(1);
          if (id == _id)
            outs.add(rewrite(out, "name" , user.getName()));
        }
      } catch (Throwable __e) { _handleException(__e); }}
      
      postInChannel(preferredChannelID, random(outs));
    }
    
    boolean findWithSynonyms(String pat, String s) {
      for (String pat2 : splitAtComma(pat))
        if (!findWithSynonyms2(pat2, s))
          return false;
      return true;
    }
    
    boolean findWithSynonyms2(String pat2, String s) {
      for (String pat3 : synonyms.extend(pat2))
        if (find3(pat3, s))
          return true;
      return false;
    }
    
    boolean matchWithSynonyms(String pat, String s) {
      for (String pat2 : synonyms.extend(pat))
        if (match(pat2, s))
          return true;
      return false;
    }
    
    String forgetTopic(long channelID) {
      topicByChannel.remove(channelID);
      return "OK, let's talk about something else";
    }
  }
  
  long totalRuleCount() {
    return intSumAsLong(map(syncCloneValues(dataByServer), bs -> l(bs.rules)));
  }
  
  String renderMasters() {
    return empty(authorizedUsers) ? "I have no masters." : "My masters are: " + ai_renderAndList(map("discordAt",authorizedUsers));
  }
  
  List<String> splitIntoLines(String s) {
    return tlft_honoringTokens(s);
  }
}
static boolean _moduleClass_NLRulesBot = true;
static String discordAt(long userID) {
  return userID == 0 ? "unknown person" : "<@" + userID + ">";
}
static volatile StringBuffer local_log = new StringBuffer(); // not redirected




static volatile Appendable print_log = local_log; // might be redirected, e.g. to main bot

// in bytes - will cut to half that
static volatile int print_log_max = 1024*1024;
static volatile int local_log_max = 100*1024;

static boolean print_silent = false; // total mute if set

static Object print_byThread_lock = new Object();
static volatile ThreadLocal<Object> print_byThread; // special handling by thread - prefers F1<S, Bool>
static volatile Object print_allThreads;
static volatile Object print_preprocess;

static void print() {
  print("");
}

static <A> A print(String s, A o) {
  print((endsWithLetterOrDigit(s) ? s + ": " : s) + o);
  return o;
}

// slightly overblown signature to return original object...
static <A> A print(A o) {
  ping_okInCleanUp();
  if (print_silent) return o;
  String s = String.valueOf(o) + "\n";
  print_noNewLine(s);
  return o;
}

static void print_noNewLine(String s) {
  
  Object f = getThreadLocal(print_byThread_dontCreate());
  if (f == null) f = print_allThreads;
  if (f != null)
    // We do need the general callF machinery here as print_byThread is sometimes shared between modules
    if (isFalse(
      
        f instanceof F1 ? ((F1) f).get(s) :
      
      callF(f, s))) return;
  

  print_raw(s);
}

static void print_raw(String s) {
  
  if (print_preprocess != null) s = (String) callF(print_preprocess, s);
  s = fixNewLines(s);
  
  Appendable loc = local_log;
  Appendable buf = print_log;
  int loc_max = print_log_max;
  if (buf != loc && buf != null) {
    print_append(buf, s, print_log_max);
    loc_max = local_log_max;
  }
  if (loc != null) 
    print_append(loc, s, loc_max);
  
  
    System.out.print(s);
  
}

static void print_autoRotate() {
  
}
static GlobalID aGlobalIDObj() {
  return asGlobalID(randomID(16));
}

static GlobalID aGlobalIDObj(Random random) {
  return asGlobalID(randomID(random, 16));
}
static String appendNewLineIfNempty(String s) {
  return empty(s) ? "" : s + "\n";
}
static void change() {
  //mainConcepts.allChanged();
  // safe version for now cause function is sometimes included unnecessarily (e.g. by EGDiff)
  callOpt(getOptMC("mainConcepts"), "allChanged");
}
static RuntimeException rethrow(Throwable t) {
  
  if (t instanceof Error)
    _handleError((Error) t);
  
  throw t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}

static RuntimeException rethrow(String msg, Throwable t) {
  throw new RuntimeException(msg, t);
}
static boolean empty(Collection c) { return c == null || c.isEmpty(); }
static boolean empty(Iterable c) { return c == null || !c.iterator().hasNext(); }
static boolean empty(CharSequence s) { return s == null || s.length() == 0; }
static boolean empty(Map map) { return map == null || map.isEmpty(); }
static boolean empty(Object[] o) { return o == null || o.length == 0; }
static boolean empty(Object o) {
  if (o instanceof Collection) return empty((Collection) o);
  if (o instanceof String) return empty((String) o);
  if (o instanceof Map) return empty((Map) o);
  if (o instanceof Object[]) return empty((Object[]) o);
  if (o instanceof byte[]) return empty((byte[]) o);
  if (o == null) return true;
  throw fail("unknown type for 'empty': " + getType(o));
}

static boolean empty(Iterator i) { return i == null || !i.hasNext(); }

static boolean empty(double[] a) { return a == null || a.length == 0; }
static boolean empty(float[] a) { return a == null || a.length == 0; }
static boolean empty(int[] a) { return a == null || a.length == 0; }
static boolean empty(long[] a) { return a == null || a.length == 0; }
static boolean empty(byte[] a) { return a == null || a.length == 0; }
static boolean empty(short[] a) { return a == null || a.length == 0; }




static boolean empty(MultiMap mm) { return mm == null || mm.isEmpty(); }


static boolean empty(File f) { return getFileSize(f) == 0; }


static boolean empty(IntRange r) { return r == null || r.empty(); }





static String fullTrim(String s) {
  return fromLines(toLinesFullTrim(s));
}
static void lock(Lock lock) { try {
  ping();
  if (lock == null) return;
  try {
    lock.lockInterruptibly();
  } catch (InterruptedException e) {
    print("Locking interrupted! I probably deadlocked, oops.");
    printStackTrace(e);
    rethrow(e);
  }
  ping();
} catch (Exception __e) { throw rethrow(__e); } }

static void lock(Lock lock, String msg) {
  print("Locking: " + msg);
  lock(lock);
}

static void lock(Lock lock, String msg, long timeout) {
  print("Locking: " + msg);
  lockOrFail(lock, timeout);
}

static ReentrantLock lock() {
  return fairLock();
}
static String factStore_cmds(SimpleFactStore factStore, String s, boolean allowChanges) {
  if (allowChanges) {
    if (match("clear facts", s)) { factStore.clear(); return "OK"; }
  }
  
  if (match("list facts", s)) {
    return ai_bracketUsersToDiscordAt(lines(factStore.facts()));
  }
  
  return null;
}
static String philosophyBotWithFactStore_discordAnswer(String theory, SimpleFactStore factStore, String s, Object... __) {
  return philosophyBotWithFactStore_discordAnswer(new PhilosophyBot1(theory), factStore, s, __);
}

static String philosophyBotWithFactStore_discordAnswer(PhilosophyBot1 bot, SimpleFactStore factStore, String s, Object... __) {
  long userID =  (long) (optPar("userID",__));
  boolean fromBot = boolPar("fromBot",__);
  print(userID + " (" + (fromBot ? "bot" : "human") + "): " + s);
  
  String user = "(user " + userID + ")";
  
  if (factStore != null) {
    factStore.onChange(new Runnable() {  public void run() { try {  change(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "change();"; }});
    factStore.verbose = true;
    philosophyBot1_factStore(bot, factStore);
  }
  
  bot.standardImports();
  bot.autoOpenTheories();
  bot.addFact(user + " is a " + (fromBot ? "bot" : "human"));
  bot.addFact(user + " says (" + bot.sanitizeInput(s) + ")");
  bot.run();
  
  return first(bot.matchFacts("$x", "say $x"));
}
static String ai_weightChangeBot_theory() {
  return "\r\n    import math\r\n    \r\n    theory validity {\r\n      // a human weighs between 80 and 400 pounds\r\n      $x is a human\r\n        & $x weighs ($y pounds)\r\n        => $y >= 80 & $y <= 400\r\n        \r\n      contradiction => say (That can't be right)\r\n    }\r\n    \r\n    theory (weight change) {\r\n      $x weighs ($y pounds)\r\n        & last time $x weighed ($z pounds)\r\n        => proc {\r\n          if ($y < $z):\r\n            say (That is great!)\r\n          else if ($y > $z):\r\n            say (Aw, too bad, tomorrow is another day.)\r\n          else:\r\n            say (Tomorrow will be better)\r\n        }\r\n    }\r\n  \r\n    theory (remember last weight) {\r\n      $x weighs ($y pounds)\r\n        => proc {\r\n          unless contradiction:\r\n            delete all (last time $x weighed ($z pounds))\r\n            store      (last time $x weighed ($y pounds))\r\n        }\r\n    }\r\n    \r\n    theory (interpret input) {\r\n      $x says (i weigh $y pounds)\r\n        => $x weighs ($y pounds)\r\n      \r\n      $x says (my weight is $y pounds)\r\n        => $x weighs ($y pounds)\r\n    }\r\n  ";
}
static long longPar(String name, Object... params) {
  return toLong(optPar(name, params));
}
static boolean contains(Collection c, Object o) {
  return c != null && c.contains(o);
}

static boolean contains(Object[] x, Object o) {
  if (x != null)
    for (Object a : x)
      if (eq(a, o))
        return true;
  return false;
}

static boolean contains(String s, char c) {
  return s != null && s.indexOf(c) >= 0;
}

static boolean contains(String s, String b) {
  return s != null && s.indexOf(b) >= 0;
}

static boolean contains(BitSet bs, int i) {
  return bs != null && bs.get(i);
}


static <A> boolean contains(Producer<A> p, A a) {
  if (p != null && a != null) while (true) {
    A x = p.next();
    if (x == null) break;
    if (eq(x, a)) return true;
  }
  return false;
}

static <A> A optPar(ThreadLocal<A> tl, A defaultValue) {
  A a = tl.get();
  if (a != null) {
    tl.set(null);
    return a;
  }
  return defaultValue;
}

static <A> A optPar(ThreadLocal<A> tl) {
  return optPar(tl, null);
}

static Object optPar(Object[] params, String name) {
  return optParam(params, name);
}

static Object optPar(String name, Object[] params) {
  return optParam(params, name);
}

static Object optPar(String name, Map params) {
  return optParam(name, params);
}

static <A> A optPar(Object[] params, String name, A defaultValue) {
  return optParam(params, name, defaultValue);
}

static <A> A optPar(String name, Object[] params, A defaultValue) {
  return optParam(params, name, defaultValue);
}

static Object first(Object list) {
  return first((Iterable) list);
}


static <A> A first(List<A> list) {
  return empty(list) ? null : list.get(0);
}

static <A> A first(A[] bla) {
  return bla == null || bla.length == 0 ? null : bla[0];
}


static <A> A first(IterableIterator<A> i) {
  return first((Iterator<A>) i);
}


static <A> A first(Iterator<A> i) {
  return i == null || !i.hasNext() ? null : i.next();
}

static <A> A first(Iterable<A> i) {
  if (i == null) return null;
  Iterator<A> it = i.iterator();
  return it.hasNext() ? it.next() : null;
}

static Character first(String s) { return empty(s) ? null : s.charAt(0); }
static Character first(CharSequence s) { return empty(s) ? null : s.charAt(0); }


static <A, B> A first(Pair<A, B> p) {
  return p == null ? null : p.a;
}



static <A, B, C> A first(T3<A, B, C> t) {
  return t == null ? null : t.a;
}


static Byte first(byte[] l) { 
  return empty(l) ? null : l[0];
}


static File prepareCacheProgramFile(String name) {
  return mkdirsForFile(getCacheProgramFile(name));
}

static File prepareCacheProgramFile(String progID, String name) {
  return mkdirsForFile(getCacheProgramFile(progID, name));
}
static boolean deleteFile(File file) {
  return file != null && file.delete();
}
static List<String> tlft(String s) { return toLinesFullTrim(s); }
static List<String> tlft(File f) { return toLinesFullTrim(f); }

static String loadTextFile(String fileName) {
  return loadTextFile(fileName, null);
}

static String loadTextFile(File f, String defaultContents) { return loadTextFile(f, defaultContents, "UTF-8"); }
static String loadTextFile(File f, String defaultContents, String encoding) { try {
  
  checkFileNotTooBigToRead(f);
  
  if (f == null || !f.exists()) return defaultContents;

  FileInputStream fileInputStream = new FileInputStream(f);
  InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, encoding);
  return loadTextFile(inputStreamReader);
} catch (Exception __e) { throw rethrow(__e); } }

public static String loadTextFile(File fileName) {
  return loadTextFile(fileName, null);
}

static String loadTextFile(String fileName, String defaultContents) {
  return fileName == null ? defaultContents : loadTextFile(newFile(fileName), defaultContents);
}

static String loadTextFile(Reader reader) throws IOException {
  StringBuilder builder = new StringBuilder();
  try {
    char[] buffer = new char[1024];
    int n;
    while (-1 != (n = reader.read(buffer)))
      builder.append(buffer, 0, n);
  } finally {
    reader.close();
  }
  return str(builder);
}
static boolean swic(String a, String b) {
  return startsWithIgnoreCase(a, b);
}


  static boolean swic(String a, String b, Matches m) {
    if (!swic(a, b)) return false;
    m.m = new String[] {substring(a, l(b))};
    return true;
  }

static List<String> regexpICFullMatch_groups(String pattern, String text) {
  Matcher matcher = regexpIC(pattern, text);
  return matcher.matches() ? regexpGetGroups(matcher) : null;
}
static boolean nempty(Collection c) {
  return !empty(c);
}

static boolean nempty(CharSequence s) {
  return !empty(s);
}

static boolean nempty(Object[] o) { return !empty(o); }
static boolean nempty(byte[] o) { return !empty(o); }
static boolean nempty(int[] o) { return !empty(o); }

static boolean nempty(Map m) {
  return !empty(m);
}

static boolean nempty(Iterator i) {
  return i != null && i.hasNext();
}

static boolean nempty(Object o) { return !empty(o); }


static boolean nempty(IntRange r) { return !empty(r); }





static <A, B, C> T3<A, B, C> t3(A a, B b, C c) {
  return new T3(a, b, c);
}
static <A> A second(List<A> l) {
  return get(l, 1);
}

static <A> A second(Iterable<A> l) {
  if (l == null) return null;
  Iterator<A> it = iterator(l);
  if (!it.hasNext()) return null;
  it.next();
  return it.hasNext() ? it.next() : null;
}

static <A> A second(A[] bla) {
  return bla == null || bla.length <= 1 ? null : bla[1];
}


static <A, B> B second(Pair<A, B> p) {
  return p == null ? null : p.b;
}



static <A, B, C> B second(T3<A, B, C> t) {
  return t == null ? null : t.b;
}



static <A> A second(Producer<A> p) {
  if (p == null) return null;
  if (p.next() == null) return null;
  return p.next();
}


static char second(String s) {
  return charAt(s, 1);
}


static <A, B> B second(Either<A, B> e) {
  return e == null ? null : e.bOpt();
}

static String lines_rtrim(Collection lines) {
  return rtrim_fromLines(lines);
}
static String nRules(int n) { return n2(n, "rule"); }
static String nRules(Collection l) { return n2(l, "rule"); }
static int l(Object[] a) { return a == null ? 0 : a.length; }
static int l(boolean[] a) { return a == null ? 0 : a.length; }
static int l(byte[] a) { return a == null ? 0 : a.length; }
static int l(short[] a) { return a == null ? 0 : a.length; }
static int l(long[] a) { return a == null ? 0 : a.length; }
static int l(int[] a) { return a == null ? 0 : a.length; }
static int l(float[] a) { return a == null ? 0 : a.length; }
static int l(double[] a) { return a == null ? 0 : a.length; }
static int l(char[] a) { return a == null ? 0 : a.length; }
static int l(Collection c) { return c == null ? 0 : c.size(); }

static int l(Iterator i) { return iteratorCount_int_close(i); } // consumes the iterator && closes it if possible

static int l(Map m) { return m == null ? 0 : m.size(); }
static int l(CharSequence s) { return s == null ? 0 : s.length(); }
static long l(File f) { return f == null ? 0 : f.length(); }



static int l(Object o) {
  return o == null ? 0
    : o instanceof String ? l((String) o)
    : o instanceof Map ? l((Map) o)
    : o instanceof Collection ? l((Collection) o)
    : o instanceof Object[] ? l((Object[]) o)
    : o instanceof boolean[] ? l((boolean[]) o)
    : o instanceof byte[] ? l((byte[]) o)
    : o instanceof char[] ? l((char[]) o)
    : o instanceof short[] ? l((short[]) o)
    : o instanceof int[] ? l((int[]) o)
    : o instanceof float[] ? l((float[]) o)
    : o instanceof double[] ? l((double[]) o)
    : o instanceof long[] ? l((long[]) o)
    : (Integer) call(o, "size");
}







  static int l(IntRange r) { return r == null ? 0 : r.length(); }



  static long l(LongRange r) { return r == null ? 0 : r.length(); }






// does not store null values
static Map indexByField(Iterable c, String field) {
  HashMap map = new HashMap();
  for (Object a : c) {
    Object val = getOpt(a, field);
    if (val != null)
      map.put(val, a);
  }
  return map;
}

static Map indexByField(String field, Iterable c) {
  return indexByField(c, field);
}
static String trim(String s) { return s == null ? null : s.trim(); }
static String trim(StringBuilder buf) { return buf.toString().trim(); }
static String trim(StringBuffer buf) { return buf.toString().trim(); }
static boolean neq(Object a, Object b) {
  return !eq(a, b);
}
static boolean match(String pat, String s) {
  return match3(pat, s);
}

static boolean match(String pat, String s, Matches matches) {
  return match3(pat, s, matches);
}

static boolean match(String pat, List<String> toks, Matches matches) {
  return match3(pat, toks, matches);
}
static <A> A firstWhereIC(Collection<A> c, Object... data) {
  return findWhereIC(c, data);
}
static byte[] toUtf8(String s) { try {
  return s.getBytes("UTF-8");
} catch (Exception __e) { throw rethrow(__e); } }
static String lines(Iterable lines) { return fromLines(lines); }
static String lines(Object[] lines) { return fromLines(asList(lines)); }
static List<String> lines(String s) { return toLines(s); }
static List map(Iterable l, Object f) { return map(f, l); }

static List map(Object f, Iterable l) {
  List x = emptyList(l);
  if (l != null) for (Object o : l)
    x.add(callF(f, o));
  return x;
}


  static <A, B> List<B> map(Iterable<A> l, F1<A, B> f) { return map(f, l); }

  static <A, B> List<B> map(F1<A, B> f, Iterable<A> l) {
    List x = emptyList(l);
    if (l != null) for (A o : l)
      x.add(callF(f, o));
    return x;
  }


static <A, B> List<B> map(IF1<A, B> f, Iterable<A> l) { return map(l, f); }
static <A, B> List<B> map(Iterable<A> l, IF1<A, B> f) {
  List x = emptyList(l);
  if (l != null) for (A o : l)
    x.add(f.get(o));
  return x;
}
  
static <A, B> List<B> map(IF1<A, B> f, A[] l) { return map(l, f); }
static <A, B> List<B> map(A[] l, IF1<A, B> f) {
  List x = emptyList(l);
  if (l != null) for (A o : l)
    x.add(f.get(o));
  return x;
}
  
static List map(Object f, Object[] l) { return map(f, asList(l)); }
static List map(Object[] l, Object f) { return map(f, l); }

static List map(Object f, Map map) {
  return map(map, f);
}

// map: func(key, value) -> list element
static List map(Map map, Object f) {
  List x = new ArrayList();
  if (map != null) for (Object _e : map.entrySet()) {
    Map.Entry e = (Map.Entry) _e;
    x.add(callF(f, e.getKey(), e.getValue()));
  }
  return x;
}

static <A, B, C> List<C> map(Map<A, B> map, IF2<A, B, C> f) {
  return map(map, (Object) f);
}
static <A> A firstWhere(Collection<A> c, Object... data) {
  return findWhere(c, data);
}
static String nRule(int n) {
  return nRules(n);
}


static String nRule(Collection l) {
  return nRules(l);
}
static void appendToTextFile(File file, String s) {
  appendToFile(file, s);
}

static void appendToTextFile(String file, String s) {
  appendToTextFile(programFile(file), s);
}
static File programFile(String name) {
  return prepareProgramFile(name);
}

static File programFile(String progID, String name) {
  return prepareProgramFile(progID, name);
}
static boolean matchX(String pat, String s) {
  return matchX(pat, s, null);
}

static boolean matchX(String pat, String s, Matches m) {
  if (endsWith(pat, "...")) {
    pat = dropSuffixTrim("...", pat);
    if (startsWith(pat, "..."))
      return find3(dropPrefixTrim("...", pat), s, m);
    else
      return matchStart(pat, s, m);
  }      
  if (startsWith(pat, "...")) return matchEndX(pat, s, m);
  return match(pat, s, m);
}
static List<String> unquoteAll(List<String> l) {
  List<String> t = cloneList(l);
  for (int i = 0; i < l(t); i++)
    if (isQuoted(t.get(i)))
      t.set(i, unquote(t.get(i)));
  return t;
}


static Map<String, List<String>> wordTokC_cache = synchronizedMRUCache(defaultTokenizerCacheSize());

static List<String> wordTokC(String s) {
  List<String> tok = wordTokC_cache.get(s);
  if (tok == null) wordTokC_cache.put(s, tok = codeTokens(wordTok(s)));
  return tok;
}


static <A> A printStruct(String prefix, A a) {
  printStructure(prefix, a);
  return a;
}

static <A> A printStruct(A a) {
  printStructure(a);
  return a;
}

  static String format(String pat, Object... args) {
    return format3(pat, args);
  }

static String or2(String a, String b) {
  return nempty(a) ? a : b;
}

static String or2(String a, String b, String c) {
  return or2(or2(a, b), c);
}
public static <A> String join(String glue, Iterable<A> strings) {
  if (strings == null) return "";
  if (strings instanceof Collection) {
    if (((Collection) strings).size() == 1) return str(first(((Collection) strings)));
  }
  StringBuilder buf = new StringBuilder();
  Iterator<A> i = strings.iterator();
  if (i.hasNext()) {
    buf.append(i.next());
    while (i.hasNext())
      buf.append(glue).append(i.next());
  }
  return buf.toString();
}

public static String join(String glue, String... strings) {
  return join(glue, Arrays.asList(strings));
}

static <A> String join(Iterable<A> strings) {
  return join("", strings);
}

static <A> String join(Iterable<A> strings, String glue) {
  return join(glue, strings);
}

public static String join(String[] strings) {
  return join("", strings);
}


static String join(String glue, Pair p) {
  return p == null ? "" : str(p.a) + glue + str(p.b);
}

static String str(Object o) {
  return o == null ? "null" : o.toString();
}

static String str(char[] c) {
  return new String(c);
}
// dynamic only for now
static String dm_findModule(String moduleLibID) {
  return (String) callCreator("findModuleByLibID", moduleLibID);
}
static Object dm_call(Object moduleOrID, String method, Object... args) {
  Object mod = dm_getModule(moduleOrID);
  if (mod == null) return null;
   AutoCloseable __1 = dm_enter(mod); try {
  return call_withVarargs(mod, method, args);
} finally { _close(__1); }}
static Object dm_get(Object moduleOrID, String field) {
  return get(dm_getModule(moduleOrID), field);
}

static Object dm_get(String field, long moduleID) {
  return dm_get(moduleID, field);
}
static void dm_reloadModule(Object module) {
  dm_reloadModuleInBackground(module);
}

static void dm_reloadModule() {
  dm_reloadModuleInBackground();
}
static boolean eqic(String a, String b) {
  
  
    if ((a == null) != (b == null)) return false;
    if (a == null) return true;
    return a.equalsIgnoreCase(b);
  
}



static boolean eqic(char a, char b) {
  if (a == b) return true;
  
    char u1 = Character.toUpperCase(a);
    char u2 = Character.toUpperCase(b);
    if (u1 == u2) return true;
  
  return Character.toLowerCase(u1) == Character.toLowerCase(u2);
}
static String ltrim(String s) {
  if (s == null) return null;
  int i = 0;
  while (i < s.length() && " \t\r\n".indexOf(s.charAt(i)) >= 0)
    ++i;
  return i > 0 ? substring(s, i) : s;
}
static boolean matchX2(String pat, String s) {
  return matchX_vbar(pat, s);
}



static boolean matchX2(String pat, String s, Matches matches) {
  return matchX_vbar(pat, s, matches);
}
static <A, B> boolean put_trueIfChanged(Map<A, B> map, A key, B value) {
  return mapPut_trueIfChanged(map, key, value);
}
static boolean match_vbar(String pat, String s) {
  return match_vbar(pat, s, null);
}

static boolean match_vbar(String pat, String s, Matches matches) {
  for (String pat2 : tok_splitAtVerticalBar(pat))
    if (match3(pat2, s, matches)) return true;
  return false;
}

static boolean flexMatchIC(String pat, String s) {
  return flexMatchIC2(pat, s);
}

static boolean flexMatchIC(String pat, String s, Matches m) {
  return flexMatchIC2(pat, s, m);
}

static boolean flexMatchIC(String pat, List<String> tokfull, Matches m) {
  return flexMatchIC2(pat, tokfull, m, true);
}

static boolean flexMatchIC(String pat, String s, Matches m, boolean joinBrackets) {
  return flexMatchIC2(pat, s, m, joinBrackets);
}
static String replaceWord(String s, String pattern, String replacement) {
  return replacePhrase(s, pattern, replacement);
}
static boolean discord_isNSFWChannel_gen(Object channel) {
  return isTrue(callOpt(channel, "isNSFW"));
}
static String quickVisualize_nsfw_progID = "#1007145";
static Lock quickVisualize_nsfw_lock = lock();

static boolean quickVisualize_nsfw_hasCached(String query) {
  return quickVisualize_nsfw_imageFile(query).length() != 0;
}

static BufferedImage quickVisualize_nsfw_fromCache(String query) {
  File f = quickVisualize_nsfw_imageFile(query);
  if (f.length() != 0) { try { return loadPNG(f); } catch (Throwable __e) { _handleException(__e); }}
  return null;
}

static String quickVisualize_nsfw_preprocess(String query) {
  return toUpper(shorten(trim(query), 200));
}

static BufferedImage quickVisualize_nsfw(String query) {
  query = quickVisualize_nsfw_preprocess(query);
  if (empty(query)) return null;
  BufferedImage img = quickVisualize_nsfw_fromCache(query);
  if (img != null) return img;
  File f = quickVisualize_nsfw_imageFile(query);
  /*L<S> urls = googleImageSearch_multi(query);
  saveTextFile(quickVisualize_nsfw_urlsFile(query), joinLines(urls));
  if (empty(urls)) null;
  img = loadBufferedImage(first(urls));*/
  Lock __0 = quickVisualize_nsfw_lock; lock(__0); try {
   AutoCloseable __2 = tempSetTL(googleImageSearch_new_nsfw, true); try {
  img = googleImageSearch_new(query);
  if (img == null) return null;
  savePNG(f, img);
  return img;
} finally { _close(__2); }} finally { unlock(__0); } }

static String quickVisualize_nsfw_imagePath(String query) {
  query = quickVisualize_nsfw_preprocess(query);
  return fsI(quickVisualize_nsfw_progID) + "/nsfw/" + urlencode(query) + ".png";
}

static File quickVisualize_nsfw_imageFile(String query) {
  query = quickVisualize_nsfw_preprocess(query);
  return prepareProgramFile(quickVisualize_nsfw_progID, "nsfw/" + urlencode(query) + ".png");
}

static File quickVisualize_nsfw_urlsFile(String query) {
  query = quickVisualize_nsfw_preprocess(query);
  return prepareProgramFile(quickVisualize_nsfw_progID, "urls-" + urlencode(query) + ".txt");
}
static String quickVisualize_progID = "#1007145";
static Lock quickVisualize_lock = lock();

static boolean quickVisualize_hasCached(String query) {
  return quickVisualize_imageFile(query).length() != 0;
}

static BufferedImage quickVisualize_fromCache(String query) {
  File f = quickVisualize_imageFile(query);
  if (f.length() != 0) { try { return loadPNG(f); } catch (Throwable __e) { _handleException(__e); }}
  return null;
}

static String quickVisualize_preprocess(String query) {
  return toUpper(shorten(trim(query), 200));
}

static BufferedImage quickVisualize(String query) {
  query = quickVisualize_preprocess(query);
  if (empty(query)) return null;
  BufferedImage img = quickVisualize_fromCache(query);
  if (img != null) return img;
  File f = quickVisualize_imageFile(query);
  /*L<S> urls = googleImageSearch_multi(query);
  saveTextFile(quickVisualize_urlsFile(query), joinLines(urls));
  if (empty(urls)) null;
  img = loadBufferedImage(first(urls));*/
  Lock __0 = quickVisualize_lock; lock(__0); try {
  img = googleImageSearch_new(query);
  if (img == null) return null;
  savePNG(f, img);
  return img;
} finally { unlock(__0); } }

static String quickVisualize_imagePath(String query) {
  query = quickVisualize_preprocess(query);
  return fsI(quickVisualize_progID) + "/" + urlencode(query) + ".png";
}

static File quickVisualize_imageFile(String query) {
  query = quickVisualize_preprocess(query);
  return prepareProgramFile(quickVisualize_progID, urlencode(query) + ".png");
}

static File quickVisualize_urlsFile(String query) {
  query = quickVisualize_preprocess(query);
  return prepareProgramFile(quickVisualize_progID, "urls-" + urlencode(query) + ".txt");
}
static Map paramsToMap(Object... params) {
  int n = l(params);
  if (l(params) == 1 && params[0] instanceof Map) return (Map) params[0];
  LinkedHashMap map = new LinkedHashMap();
  for (int i = 0; i+1 < n; i += 2)
    mapPut(map, params[i], params[i+1]);
  return map;
}
static String uploadToImageServer(BufferedImage img, String name) {
  return uploadToImageServerIfNotThere(img, name);
}

static String uploadToImageServer(String name, BufferedImage img) {
  return uploadToImageServerIfNotThere(img, name);
}

static String uploadToImageServer(File f) {
  return uploadFileToImageServer(f);
}
static String discord_google(String query, Object... __) {
  int results = optPar("results",__,  3);
  boolean safeSearch = boolPar("safeSearch",__);
  boolean withDescription = boolPar("withDescription",__);
  String noResultsMsg =  (String) (optPar("noResultsMsg",__));
  if (noResultsMsg == null)
    noResultsMsg = "GBot is currently broken, fixing ASAP (2020/2/21)"; //"Sorry - no results found. SafeSearch is " + (safeSearch ? "on" : "off") + ".";
  
  List<T3<String, String, String>> l = safeSearch ? quickGoogle2_safeSearch(query) : quickGoogle2(query);
  return or2(lines(map(takeFirst(results, l),
    linkTextDesc ->
      unicode_smallBlackSquare() + " **" + linkTextDesc.b + "**\n"
        + (!withDescription ? "" : linkTextDesc.c + "\n")
        + "<" + linkTextDesc.a + ">")),
      noResultsMsg);
}
static volatile PersistableThrowable _handleException_lastException;
static List _handleException_onException = synchroList(ll("printStackTrace2"));

static void _handleException(Throwable e) {
  _handleException_lastException = persistableThrowable(e);
  
  Throwable e2 = innerException(e);
  if (e2.getClass() == RuntimeException.class && eq(e2.getMessage(), "Thread cancelled.") || e2 instanceof InterruptedException)
    return;
    
  for (Object f : cloneList(_handleException_onException)) try {
    callF(f, e);
  } catch (Throwable e3) {
    printStackTrace2(e3); // not using pcall here - it could lead to endless loops
  }
}

static boolean matchStartX(String pat, String s, Matches matches) {
  return matchStart(dropSuffix("...", pat), s, matches);
}
static String structure_nullingInstancesOfClass(Class c, Object o) {
  if (c == null) return structure(o);
  structure_Data data = new structure_Data();
  structure_ClassInfo info = new structure_ClassInfo();
  info.special = info.nullInstances = true;
  data.infoByClass.put(c, info);
  return structure(o, data);
}

static Class<?> _getClass(String name) {
  try {
    return Class.forName(name);
  } catch (ClassNotFoundException e) {
    return null; // could optimize this
  }
}

static Class _getClass(Object o) {
  return o == null ? null
    : o instanceof Class ? (Class) o : o.getClass();
}

static Class _getClass(Object realm, String name) {
  try {
    return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
  } catch (ClassNotFoundException e) {
    return null; // could optimize this
  }
}
static String n2(long l) { return formatWithThousands(l); }
static String n2(Collection l) { return n2(l(l)); }
static String n2(Map map) { return n2(l(map)); }

static String n2(double l, String singular) {
  return n2(l, singular, singular + "s");
}

static String n2(double l, String singular, String plural) {
  if (fraction(l) == 0)
    return n2((long) l, singular, plural);
  else
    return l + " " + plural;
}

static String n2(long l, String singular, String plural) {
  return n_fancy2(l, singular, plural);
}

static String n2(long l, String singular) {
  return n_fancy2(l, singular, singular + "s");
}

static String n2(Collection l, String singular) {
  return n2(l(l), singular);
}

static String n2(Collection l, String singular, String plural) {
  return n_fancy2(l, singular, plural);
}

static String n2(Map m, String singular, String plural) {
  return n_fancy2(m, singular, plural);
}

static String n2(Map m, String singular) {
  return n2(l(m), singular);
}

static String n2(Object[] a, String singular) { return n2(l(a), singular); }
static String n2(Object[] a, String singular, String plural) { return n_fancy2(a, singular, plural); }


static Random random_random = new Random();

static int random(int n) {
  return random(random_random, n);
}

static int random(int n, Random r) { return random(r, n); }

static int random(Random r, int n) {
  return n <= 0 ? 0 : r.nextInt(n);
}

static double random(double max) {
  return random()*max;
}

static double random() {
  return random_random.nextInt(100001)/100000.0;
}

static double random(double min, double max) {
  return min+random()*(max-min);
}

// min <= value < max
static int random(int min, int max) {
  return min+random(max-min);
}

static int random(int min, int max, Random r) {
  return random(r, min, max);
}

static int random(Random r, int min, int max) {
  return min+random(r, max-min);
}

static <A> A random(List<A> l) {
  return oneOf(l);
}

static <A> A random(Collection<A> c) {
  if (c instanceof List) return random((List<A>) c);
  int i = random(l(c));
  return collectionGet(c, i);
}


static int random(IntRange r) {
  return random(r.start, r.end);
}

static String answer_magicQuoteInput(String input, Object... __) {
  List<String> fixedInputs = magicQuoteInputForThisProgram(input, __);
  if (nempty(fixedInputs))
    return "Did you mean this? >> " + first(fixedInputs)
      + (l(fixedInputs) < 2 ? "" : "\nOr this? >> " + second(fixedInputs));
  return null;
}
static void unlock(Lock lock, String msg) {
  if (lock == null) return;
  print("Unlocking: " + msg);
  lock.unlock();
}

static void unlock(Lock lock) {
  if (lock == null) return;
  lock.unlock();
}
static boolean containsIC(Collection<String> l, String s) {
  return containsIgnoreCase(l, s);
}

static boolean containsIC(String[] l, String s) {
  return containsIgnoreCase(l, s);
}

static boolean containsIC(String s, char c) {
  return containsIgnoreCase(s, c);
}

static boolean containsIC(String a, String b) {
  return containsIgnoreCase(a, b);
}


static boolean containsIC(Producer<String> p, String a) {
  if (p != null && a != null) while (true) {
    String x = p.next();
    if (x == null) break;
    if (eqic(x, a)) return true;
  }
  return false;
}

static String discord_optParUserName(Object... __) {
  Object event =  optPar("event",__);
  Object user = rcall("getAuthor",event);
  return rcall_string("getName",user);
}
static List<String> replaceIC(List<String> l, String a, String b) {
  List<String> l2 = new ArrayList();
  for (int i = 0; i < l(l); i++) {
    String s = l.get(i);
    l2.add(eqic(s, a) ? b : s);
  }
  return l2;
}

static String replaceIC(String s, String a, String b) {
  return s.replaceAll("(?i)" + patternQuote(a), quoteReplacement(b));
}
static long parseLongOpt(String s) {
  return isInteger(s) ? parseLong(s) : 0;
}
static List<String> splitAtComma(String s) {
  return empty(s) ? emptyList() : asList(s.split(","));
}
static boolean find3(String pat, String s) {
  return find3(pat, s, null);
}

static boolean find3(String pat, String s, Matches matches) {
  return find3(pat, parse3_cachedInput(s), matches);
}
  
static boolean find3(String pat, List<String> toks, Matches matches) {
  List<String> tokpat = parse3_cachedPattern(pat);
  String[] m = find2(tokpat, toks);
  //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m));
  if (m == null) return false;
  if (matches != null) matches.m = m;
  return true;
}
static long intSumAsLong(Iterable<Integer> l) {
  long sum = 0;
  for (Integer i : unnull(l))
    if (i != null) sum += i;
  return sum;
}
static <A, B> List<B> syncCloneValues(Map<A, B> map) {
  if (map == null) return new ArrayList();
  synchronized(map) {
    return cloneList(values(map));
  }
}
static String ai_renderAndList(List<String> l) {
  return textOut_and(l);
}

static String ai_renderAndList(List<String> l, String emptyText) {
  return textOut_and(l, emptyText);
}
static List<String> tlft_honoringTokens(String s) {
  List<Integer> indices = new ArrayList();
  List<String> tok = javaTok(s);
  List<String> out = new ArrayList();
  int start = 0;
  for (int i = 2; i+1 < l(tok); i += 2) {
    { if (!(containsNewLine(tok.get(i)))) continue; }
    addIfNempty(out, trimJoinSubList(tok, start, i));
    start = i+1;
  }
  if (start < l(tok))
    addIfNempty(out, trimJoinSubList(tok, start));
  return out;
}


static AutoCloseable tempInterceptPrintIfNotIntercepted(F1<String, Boolean> f) {
  return print_byThread().get() == null ? tempInterceptPrint(f) : null;
}
static Throwable printStackTrace2(Throwable e) {
  // we go to system.out now - system.err is nonsense
  print(getStackTrace2(e));
  return e;
}

static void printStackTrace2() {
  printStackTrace2(new Throwable());
}

static void printStackTrace2(String msg) {
  printStackTrace2(new Throwable(msg));
}

static boolean endsWithLetterOrDigit(String s) {
  return s != null && s.length() > 0 && Character.isLetterOrDigit(s.charAt(s.length()-1));
}
static void ping_okInCleanUp() {

  if (ping_pauseAll || ping_anyActions)
    ping_impl(true);

}
// this syntax should be removed...
static Object getThreadLocal(Object o, String name) {
  ThreadLocal t =  (ThreadLocal) (getOpt(o, name));
  return t != null ? t.get() : null;
}

static <A> A getThreadLocal(ThreadLocal<A> tl) {
  return tl == null ? null : tl.get();
}

static <A> A getThreadLocal(ThreadLocal<A> tl, A defaultValue) {
  return or(getThreadLocal(tl), defaultValue);
}
static ThreadLocal<Object> print_byThread_dontCreate() {
  return print_byThread;
}
static boolean isFalse(Object o) {
  return eq(false, o);
}
static Map<Class, ArrayList<Method>> callF_cache = newDangerousWeakHashMap();


  static <A> A callF(F0<A> f) {
    return f == null ? null : f.get();
  }



  static <A, B> B callF(F1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }



  static <A> A callF(IF0<A> f) {
    return f == null ? null : f.get();
  }



  static <A, B> B callF(IF1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }



  static <A, B, C> C callF(F2<A, B, C> f, A a, B b) {
    return f == null ? null : f.get(a, b);
  }



  static <A, B, C> C callF(IF2<A, B, C> f, A a, B b) {
    return f == null ? null : f.get(a, b);
  }



  static <A> void callF(VF1<A> f, A a) {
    if (f != null) f.get(a);
  }


static Object callF(Object f, Object... args) { try {
  if (f instanceof String)
    return callMCWithVarArgs((String) f, args); // possible SLOWDOWN over callMC
  if (f instanceof Runnable) {
    ((Runnable) f).run();
    return null;
  }
  if (f == null) return null;
  
  Class c = f.getClass();
  ArrayList<Method> methods;
  synchronized(callF_cache) {
    methods = callF_cache.get(c);
    if (methods == null)
      methods = callF_makeCache(c);
  }
  
  int n = l(methods);
  if (n == 0) {
    
    throw fail("No get method in " + getClassName(c));
  }
  if (n == 1) return invokeMethod(methods.get(0), f, args);
  for (int i = 0; i < n; i++) {
    Method m = methods.get(i);
    if (call_checkArgs(m, args, false))
      return invokeMethod(m, f, args);
  }
  throw fail("No matching get method in " + getClassName(c));
} catch (Exception __e) { throw rethrow(__e); } }

// used internally
static ArrayList<Method> callF_makeCache(Class c) {
  ArrayList<Method> l = new ArrayList();
  Class _c = c;
  do {
    for (Method m : _c.getDeclaredMethods())
      if (m.getName().equals("get")) {
        makeAccessible(m);
        l.add(m);
      }
    if (!l.isEmpty()) break;
    _c = _c.getSuperclass();
  } while (_c != null);
  callF_cache.put(c, l);
  return l;
}
static String fixNewLines(String s) {
  int i = indexOf(s, '\r');
  if (i < 0) return s;
  int l = s.length();
  StringBuilder out = new StringBuilder(l);
  out.append(s, 0, i);
  for (; i < l; i++) {
    char c = s.charAt(i);
    if (c != '\r')
      out.append(c);
    else {
      out.append('\n');
      if (i+1 < l && s.charAt(i+1) == '\n') ++i;
    }
  }
  return out.toString();
}
static void print_append(Appendable buf, String s, int max) { try {
  synchronized(buf) {
    buf.append(s);
    if (buf instanceof StringBuffer)
      rotateStringBuffer(((StringBuffer) buf), max);
    else if (buf instanceof StringBuilder)
      rotateStringBuilder(((StringBuilder) buf), max);
  }
} catch (Exception __e) { throw rethrow(__e); } }
static GlobalID asGlobalID(String id) {
  return id == null ? null : new GlobalID(id);
}
static int randomID_defaultLength = 12;

static String randomID(int length) {
  return makeRandomID(length);
}

static String randomID(Random r, int length) {
  return makeRandomID(r, length);
}

static String randomID() {
  return randomID(randomID_defaultLength);
}

static String randomID(Random r) {
  return randomID(r, randomID_defaultLength);
}
static Object callOpt(Object o) {
  return callF(o);
}

static <A> A callOpt(Object o, String method, Object... args) {
  return (A) callOpt_withVarargs(o, method, args);
}
static Object getOptMC(String field) {
  return getOpt(mc(), field);
}
static void _handleError(Error e) {
  call(javax(), "_handleError", e);
}
static RuntimeException fail() { throw new RuntimeException("fail"); }
static RuntimeException fail(Throwable e) { throw asRuntimeException(e); }
static RuntimeException fail(Object msg) { throw new RuntimeException(String.valueOf(msg)); }
static RuntimeException fail(String msg) { throw new RuntimeException(msg == null ? "" : msg); }
static RuntimeException fail(String msg, Throwable innerException) { throw new RuntimeException(msg, innerException); }

static String getType(Object o) {
  return getClassName(o);
}
static long getFileSize(String path) {
  return path == null ? 0 : new File(path).length();
}

static long getFileSize(File f) {
  return f == null ? 0 : f.length();
}
// usually L<S>
static String fromLines(Iterable lines) {
  StringBuilder buf = new StringBuilder();
  if (lines != null)
    for (Object line : lines)
      buf.append(str(line)).append('\n');
  return buf.toString();
}

static String fromLines(String... lines) {
  return fromLines(asList(lines));
}
static List<String> toLinesFullTrim(String s) {
  
  List<String> l = new ArrayList();
  for (String line : toLines(s)) if (nempty(line = trim(line))) l.add(line);
  return l;
}

static List<String> toLinesFullTrim(File f) {
  List<String> l = new ArrayList();
  for (String line : linesFromFile(f)) if (nempty(line = trim(line))) l.add(line);
  return l;
}




//sbool ping_actions_shareable = true;
static volatile boolean ping_pauseAll = false;
static int ping_sleep = 100; // poll pauseAll flag every 100
static volatile boolean ping_anyActions = false;
static Map<Thread, Object> ping_actions = newWeakHashMap();
static ThreadLocal<Boolean> ping_isCleanUpThread = new ThreadLocal();

// always returns true
static boolean ping() {
  if (ping_pauseAll || ping_anyActions) ping_impl(true /* XXX */);
  //ifndef LeanMode ping_impl(); endifndef
  return true;
}

// returns true when it slept
static boolean ping_impl(boolean okInCleanUp) { try {
  if (ping_pauseAll && !isAWTThread()) {
    do
      Thread.sleep(ping_sleep);
    while (ping_pauseAll);
    return true;
  }
  
  if (ping_anyActions) { // don't allow sharing ping_actions
    if (!okInCleanUp && !isTrue(ping_isCleanUpThread.get()))
      failIfUnlicensed();
    Object action = null;
    synchronized(ping_actions) {
      if (!ping_actions.isEmpty()) {
        action = ping_actions.get(currentThread());
        if (action instanceof Runnable)
          ping_actions.remove(currentThread());
        if (ping_actions.isEmpty()) ping_anyActions = false;
      }
    }
    
    if (action instanceof Runnable)
      ((Runnable) action).run();
    else if (eq(action, "cancelled"))
      throw fail("Thread cancelled.");
  }

  return false;
} catch (Exception __e) { throw rethrow(__e); } }

static <A extends Throwable> A printStackTrace(A e) {
  // we go to system.out now - system.err is nonsense
  print(getStackTrace(e));
  return e;
}

static void printStackTrace() {
  printStackTrace(new Throwable());
}

static void printStackTrace(String msg) {
  printStackTrace(new Throwable(msg));
}

static void printStackTrace(String msg, Throwable e) {
  printStackTrace(new Throwable(msg, e));
}
static void lockOrFail(Lock lock, long timeout) { try {
  ping();
  if (!lock.tryLock(timeout, TimeUnit.MILLISECONDS)) {
    String s = "Couldn't acquire lock after " + timeout + " ms.";
    if (lock instanceof ReentrantLock) {
      ReentrantLock l =  (ReentrantLock) lock;
      s += " Hold count: " + l.getHoldCount() + ", owner: " + call(l, "getOwner");
    }
    throw fail(s);
  }
  ping();
} catch (Exception __e) { throw rethrow(__e); } }
static ReentrantLock fairLock() {
  return new ReentrantLock(true);
}
static String ai_bracketUsersToDiscordAt(String s) {
  return regexpReplaceIC(s, "\\(user (\\d+)\\)", matcher -> "<@" + matcher.group(1) + ">");
}
static boolean boolPar(ThreadLocal<Boolean> tl) {
  return boolOptParam(tl);
}



// defaults to false
static boolean boolPar(Object[] __, String name) {
  return boolOptParam(__, name);
}

static boolean boolPar(String name, Object[] __) {
  return boolOptParam(__, name);
}

static boolean boolPar(String name, Map __) {
  return boolOptParam(name, __);
}

static boolean boolPar(String name, Object[] params, boolean defaultValue) {
  return optParam(params, name, defaultValue);
}

static void philosophyBot1_factStore(PhilosophyBot1 bot, IFactStore factStore, Object... __) {
  if (factStore == null) return;
  
  bot.addFacts(factStore.facts());
  
  boolean debug = boolPar("debug",__);
  bot.addNativePredicate("delete all $x",
    (map) -> {
      String pat = map.get("$x");
      factStore.deleteAll(s -> {
        Map<String, String> map2 = bot.zipIt(pat, s);
        if (map2 == null) return false;
        if (debug) print("Delete match: " + map2);
        return true;
      });
      return true;
    });
  bot.addNativePredicate("store $x",
    (map) -> {
      String x = map.get("$x");
      if (debug) print("factStore: store " + x);
      factStore.store(x); return true;
    });
    
}
static long toLong(Object o) {
  if (o instanceof Number)
    return ((Number) o).longValue();
  if (o instanceof String)
    return parseLong((String) o);
  return 0;
}
static boolean eq(Object a, Object b) {
  return a == b || a != null && b != null && a.equals(b);
}


static <A> A optParam(ThreadLocal<A> tl, A defaultValue) {
  return optPar(tl, defaultValue);
}

static <A> A optParam(ThreadLocal<A> tl) {
  return optPar(tl);
}

static Object optParam(String name, Map params) {
  return mapGet(params, name);
}

// now also takes a map as single array entry
static <A> A optParam(Object[] opt, String name, A defaultValue) {
  int n = l(opt);
  if (n == 1 && opt[0] instanceof Map) {
    Map map =  (Map) (opt[0]);
    return map.containsKey(name) ? (A) map.get(name) : defaultValue;
  }
  if (!even(l(opt))) throw fail("Odd parameter length");
  for (int i = 0; i < l(opt); i += 2)
    if (eq(opt[i], name))
      return (A) opt[i+1];
  return defaultValue;
}

static Object optParam(Object[] opt, String name) {
  return optParam(opt, name, null);
}

static Object optParam(String name, Object[] params) {
  return optParam(params, name);
}
public static File mkdirsForFile(File file) {
  File dir = file.getParentFile();
  if (dir != null) { // is null if file is in current dir
    dir.mkdirs();
    if (!dir.isDirectory())
      if (dir.isFile()) throw fail("Please delete the file " + f2s(dir) + " - it is supposed to be a directory!");
      else throw fail("Unknown IO exception during mkdirs of " + f2s(file));
  }
  return file;
}

public static String mkdirsForFile(String path) {
  mkdirsForFile(new File(path));
  return path;
}
static File getCacheProgramFile(String progID, String fileName) {
  if (new File(fileName).isAbsolute())
    return new File(fileName);
  return new File(getCacheProgramDir(progID), fileName);
}

static File getCacheProgramFile(String fileName) {
  return getCacheProgramFile(getProgramID(), fileName);
}

static ThreadLocal<VF1<File>> checkFileNotTooBigToRead_tl = new ThreadLocal();

static void checkFileNotTooBigToRead(File f) {
  callF(checkFileNotTooBigToRead_tl.get(), f);
}
static File newFile(File base, String... names) {
  for (String name : names) base = new File(base, name);
  return base;
}

static File newFile(String name) {
  return name == null ? null : new File(name);
}

static File newFile(String base, String... names) {
  return newFile(newFile(base), names);
}
static boolean startsWithIgnoreCase(String a, String b) {
  return regionMatchesIC(a, 0, b, 0, b.length());
}
static String substring(String s, int x) {
  return substring(s, x, strL(s));
}

static String substring(String s, int x, int y) {
  if (s == null) return null;
  if (x < 0) x = 0;
  int n = s.length();
  if (y < x) y = x;
  if (y > n) y = n;
  if (x >= y) return "";
  return s.substring(x, y);
}


static String substring(String s, IntRange r) {
  return r == null ? null : substring(s, r.start, r.end);
}


// convenience method for quickly dropping a prefix
static String substring(String s, CharSequence l) {
  return substring(s, l(l));
}
static Matcher regexpIC(Pattern pat, String s) {
  return pat.matcher(unnull(s));
}

static Matcher regexpIC(String pat, String s) {
  return compileRegexpIC(pat).matcher(unnull(s));
}

static Pattern regexpIC(String pat) {
  return compileRegexpIC(pat);
}
static List<String> regexpGetGroups(Matcher matcher) {
  int n = matcher.groupCount();
  List<String> l = new ArrayList();
  for (int i = 1; i <= n; i++)
    l.add(matcher.group(i));
  return l;
}

// performs find()
static List<String> regexpGetGroups(String pat, String s) {
  Matcher m = regexpMatcher(pat, s);
  if (m.find())
    return regexpGetGroups(m);
  return null;
}
// get purpose 1: access a list/array/map (safer version of x.get(y))

static <A> A get(List<A> l, int idx) {
  return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}

// seems to conflict with other signatures
/*static <A, B> B get(Map<A, B> map, A key) {
  ret map != null ? map.get(key) : null;
}*/

static <A> A get(A[] l, int idx) {
  return idx >= 0 && idx < l(l) ? l[idx] : null;
}

// default to false
static boolean get(boolean[] l, int idx) {
  return idx >= 0 && idx < l(l) ? l[idx] : false;
}

// get purpose 2: access a field by reflection or a map

static Object get(Object o, String field) {
  try {
    if (o == null) return null;
    if (o instanceof Class) return get((Class) o, field);
    
    if (o instanceof Map)
      return ((Map) o).get(field);
      
    Field f = getOpt_findField(o.getClass(), field);
    if (f != null) {
      makeAccessible(f);
      return f.get(o);
    }
      
    
      if (o instanceof DynamicObject)
        return ((DynamicObject) o).fieldValues.get(field);
    
  } catch (Exception e) {
    throw asRuntimeException(e);
  }
  throw new RuntimeException("Field '" + field + "' not found in " + o.getClass().getName());
}

static Object get_raw(String field, Object o) {
  return get_raw(o, field);
}

static Object get_raw(Object o, String field) { try {
  if (o == null) return null;
  Field f = get_findField(o.getClass(), field);
  makeAccessible(f);
  return f.get(o);
} catch (Exception __e) { throw rethrow(__e); } }

static Object get(Class c, String field) {
  try {
    Field f = get_findStaticField(c, field);
    makeAccessible(f);
    return f.get(null);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}

static Field get_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}

static Field get_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}

static Object get(String field, Object o) {
  return get(o, field);
}
static <A> Iterator<A> iterator(Iterable<A> c) {
  return c == null ? emptyIterator() : c.iterator();
}
static char charAt(String s, int i) {
  return s != null && i >= 0 && i < s.length() ? s.charAt(i) : '\0';
}
static String rtrim_fromLines(Collection lines) {
  StringBuilder buf = new StringBuilder();
  if (lines != null) {
    boolean first = true;
    for (Object line : lines) {
      if (first) first = false; else buf.append('\n');
      buf.append(str(line));
    }
  }
  return buf.toString();
}
static <A> int iteratorCount_int_close(Iterator<A> i) { try {
  int n = 0;
  if (i != null) while (i.hasNext()) { i.next(); ++n; }
  if (i instanceof AutoCloseable) ((AutoCloseable) i).close();
  return n;
} catch (Exception __e) { throw rethrow(__e); } }
static Object call(Object o) {
  return callF(o);
}

// varargs assignment fixer for a single string array argument
static Object call(Object o, String method, String[] arg) {
  return call(o, method, new Object[] {arg});
}

static Object call(Object o, String method, Object... args) {
  //ret call_cached(o, method, args);
  return call_withVarargs(o, method, args);
}
static Object getOpt(Object o, String field) {
  return getOpt_cached(o, field);
}

static Object getOpt(String field, Object o) {
  return getOpt_cached(o, field);
}

static Object getOpt_raw(Object o, String field) { try {
  Field f = getOpt_findField(o.getClass(), field);
  if (f == null) return null;
  makeAccessible(f);
  return f.get(o);
} catch (Exception __e) { throw rethrow(__e); } }

// access of static fields is not yet optimized
static Object getOpt(Class c, String field) { try {
  if (c == null) return null;
  Field f = getOpt_findStaticField(c, field);
  if (f == null) return null;
  makeAccessible(f);
  return f.get(null);
} catch (Exception __e) { throw rethrow(__e); } }

static Field getOpt_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}

static boolean match3(String pat, String s) {
  return match3(pat, s, null);
}

static boolean match3(String pat, String s, Matches matches) {
  if (pat == null || s == null) return false;
  return match3(pat, parse3_cachedInput(s), matches);
}
  
static boolean match3(String pat, List<String> toks, Matches matches) {
  List<String> tokpat = parse3_cachedPattern(pat);
  return match3(tokpat, toks, matches);
}

static boolean match3(List<String> tokpat, List<String> toks, Matches matches) {
  String[] m = match2(tokpat, toks);
  //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m));
  if (m == null) return false;
  if (matches != null) matches.m = m; return true;
}
static <A> A findWhereIC(Collection<A> c, Object... data) {
  if (c != null) for (A x : c)
    if (checkFieldsIC(x, data))
      return x;
  return null;
}
// unclear semantics as to whether return null on null

static <A> ArrayList<A> asList(A[] a) {
  return a == null ? new ArrayList<A>() : new ArrayList<A>(Arrays.asList(a));
}

static ArrayList<Integer> asList(int[] a) {
  if (a == null) return null;
  ArrayList<Integer> l = emptyList(a.length);
  for (int i : a) l.add(i);
  return l;
}

static ArrayList<Float> asList(float[] a) {
  if (a == null) return null;
  ArrayList<Float> l = emptyList(a.length);
  for (float i : a) l.add(i);
  return l;
}

static ArrayList<Double> asList(double[] a) {
  if (a == null) return null;
  ArrayList<Double> l = emptyList(a.length);
  for (double i : a) l.add(i);
  return l;
}

static <A> ArrayList<A> asList(Iterable<A> s) {
  if (s instanceof ArrayList) return (ArrayList) s;
  ArrayList l = new ArrayList();
  if (s != null)
    for (A a : s)
      l.add(a);
  return l;
}


static <A> ArrayList<A> asList(Producer<A> p) {
  ArrayList l = new ArrayList();
  A a;
  if (p != null) while ((a = p.next()) != null)
    l.add(a);
  return l;
}


static <A> ArrayList<A> asList(Enumeration<A> e) {
  ArrayList l = new ArrayList();
  if (e != null)
    while (e.hasMoreElements())
      l.add(e.nextElement());
  return l;
}


static IterableIterator<String> toLines(File f) {
  return linesFromFile(f);
}

static List<String> toLines(String s) {
  List<String> lines = new ArrayList<String>();
  if (s == null) return lines;
  int start = 0;
  while (true) {
    int i = toLines_nextLineBreak(s, start);
    if (i < 0) {
      if (s.length() > start) lines.add(s.substring(start));
      break;
    }

    lines.add(s.substring(start, i));
    if (s.charAt(i) == '\r' && i+1 < s.length() && s.charAt(i+1) == '\n')
      i += 2;
    else
      ++i;

    start = i;
  }
  return lines;
}

static int toLines_nextLineBreak(String s, int start) {
  int n = s.length();
  for (int i = start; i < n; i++) {
    char c = s.charAt(i);
    if (c == '\r' || c == '\n')
      return i;
  }
  return -1;
}
static ArrayList emptyList() {
  return new ArrayList();
  //ret Collections.emptyList();
}

static ArrayList emptyList(int capacity) {
  return new ArrayList(max(0, capacity));
}

// Try to match capacity
static ArrayList emptyList(Iterable l) {
  return l instanceof Collection ? emptyList(((Collection) l).size()) : emptyList();
}

static ArrayList emptyList(Object[] l) {
  return emptyList(l(l));
}

// get correct type at once
static <A> ArrayList<A> emptyList(Class<A> c) {
  return new ArrayList();
}
static <A> A findWhere(Collection<A> c, Object... data) {
  if (c != null) for (A x : c)
    if (checkFields(x, data))
      return x;
  return null;
}
static Lock appendToFile_lock = lock();
static boolean appendToFile_keepOpen = false;
static HashMap<String, Writer> appendToFile_writers = new HashMap();

static void appendToFile(String path, String s) { try {
  Lock __0 = appendToFile_lock; lock(__0); try { // Let's just generally synchronize this to be safe.
  mkdirsForFile(new File(path));
  path = getCanonicalPath(path);
  Writer writer = appendToFile_writers.get(path);
  if (writer == null) {
    //print("[Logging to " + path + "]");
    writer = new BufferedWriter(new OutputStreamWriter(
      newFileOutputStream(path, true), "UTF-8"));
    if (appendToFile_keepOpen)
      appendToFile_writers.put(path, writer);
  }
  writer.write(s);
  if (!appendToFile_keepOpen)
    writer.close();
} finally { unlock(__0); } } catch (Exception __e) { throw rethrow(__e); } }
  
static void appendToFile(File path, String s) {
  if (path != null)
    appendToFile(path.getPath(), s);
}

static void cleanMeUp_appendToFile() {
   AutoCloseable __3 = tempCleaningUp(); try {
  Lock __1 = appendToFile_lock; lock(__1); try {
  closeAllWriters(values(appendToFile_writers));
  appendToFile_writers.clear();
} finally { unlock(__1); } } finally { _close(__3); }}
static File prepareProgramFile(String name) {
  return mkdirsForFile(getProgramFile(name));
}

static File prepareProgramFile(String progID, String name) {
  return mkdirsForFile(getProgramFile(progID, name));
}
static boolean endsWith(String a, String b) {
  return a != null && a.endsWith(b);
}

static boolean endsWith(String a, char c) {
  return nempty(a) && lastChar(a) == c;
}


  static boolean endsWith(String a, String b, Matches m) {
    if (!endsWith(a, b)) return false;
    m.m = new String[] {dropLast(l(b), a)};
    return true;
  }


static String dropSuffixTrim(String suffix, String s) {
  return dropSuffixAndTrim(suffix, s);
}

static boolean dropSuffixTrim(String suffix, String s, Matches m) {
  if (!endsWith(s, suffix)) return false;
  m.m = new String[] { dropLast(l(suffix), s) };
  return true;
}
static boolean startsWith(String a, String b) {
  return a != null && a.startsWith(unnull(b));
}

static boolean startsWith(String a, char c) {
  return nemptyString(a) && a.charAt(0) == c;
}


  static boolean startsWith(String a, String b, Matches m) {
    if (!startsWith(a, b)) return false;
    m.m = new String[] {substring(a, strL(b))};
    return true;
  }


static boolean startsWith(List a, List b) {
  if (a == null || listL(b) > listL(a)) return false;
  for (int i = 0; i < listL(b); i++)
    if (neq(a.get(i), b.get(i)))
      return false;
  return true;
}


static String dropPrefixTrim(String prefix, String s) {
  return trim(dropPrefix(prefix, s));
}
static boolean matchStart(String pat, String s) {
  return matchStart(pat, s, null);
}

// matches are as you expect, plus an extra item for the rest string
static boolean matchStart(String pat, String s, Matches matches) {
  if (s == null) return false;
  return matchStart(pat, parse3_cachedInput(s), matches);
}
  
static boolean matchStart(String pat, List<String> toks, Matches matches) {
  if (toks == null) return false;
  List<String> tokpat = parse3_cachedPattern(pat);
  if (toks.size() < tokpat.size()) return false;
  String[] m = match2(tokpat, toks.subList(0, tokpat.size()));
  //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m));
  if (m == null) return false;
  if (matches != null) {
    matches.m = new String[m.length+1];
    arraycopy(m, matches.m);
    matches.m[m.length] = joinSubList(toks, tokpat.size(), toks.size()); // for Matches.rest()
  }
  return true;
}
static boolean matchEndX(String pat, String s, Matches matches) {
  return matchEnd(dropPrefix("...", pat), s, matches);
}
static <A> ArrayList<A> cloneList(Iterable<A> l) {
  return l instanceof Collection ? cloneList((Collection) l) : asList(l);
}

static <A> ArrayList<A> cloneList(Collection<A> l) {
  if (l == null) return new ArrayList();
  synchronized(collectionMutex(l)) {
    return new ArrayList<A>(l);
  }
}
// supports the usual quotings (", variable length double brackets) except ' quoting
static boolean isQuoted(String s) {
  
  
  if (isNormalQuoted(s)) return true; // use the exact version
  
  return isMultilineQuoted(s);
}
static String unquote(String s) {
  if (s == null) return null;
  if (startsWith(s, '[')) {
    int i = 1;
    while (i < s.length() && s.charAt(i) == '=') ++i;
    if (i < s.length() && s.charAt(i) == '[') {
      String m = s.substring(1, i);
      if (s.endsWith("]" + m + "]"))
        return s.substring(i+1, s.length()-i-1);
    }
  }
  
  if (s.length() > 1) {
    char c = s.charAt(0);
    if (c == '\"' || c == '\'') {
      int l = endsWith(s, c) ? s.length()-1 : s.length();
      StringBuilder sb = new StringBuilder(l-1);
  
      for (int i = 1; i < l; i++) {
        char ch = s.charAt(i);
        if (ch == '\\') {
          char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
          // Octal escape?
          if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < l - 1) && s.charAt(i + 1) >= '0'
                      && s.charAt(i + 1) <= '7') {
                  code += s.charAt(i + 1);
                  i++;
                  if ((i < l - 1) && s.charAt(i + 1) >= '0'
                          && s.charAt(i + 1) <= '7') {
                      code += s.charAt(i + 1);
                      i++;
                  }
              }
              sb.append((char) Integer.parseInt(code, 8));
              continue;
          }
          switch (nextChar) {
          case '\"': ch = '\"'; break;
          case '\\': ch = '\\'; break;
          case 'b': ch = '\b'; break;
          case 'f': ch = '\f'; break;
          case 'n': ch = '\n'; break;
          case 'r': ch = '\r'; break;
          case 't': ch = '\t'; break;
          case '\'': ch = '\''; break;
          // Hex Unicode: u????
          case 'u':
              if (i >= l - 5) {
                  ch = 'u';
                  break;
              }
              int code = Integer.parseInt(
                      "" + s.charAt(i + 2) + s.charAt(i + 3)
                         + s.charAt(i + 4) + s.charAt(i + 5), 16);
              sb.append(Character.toChars(code));
              i += 5;
              continue;
          default:
            ch = nextChar; // added by Stefan
          }
          i++;
        }
        sb.append(ch);
      }
      return sb.toString();
    }
  }
    
  return s; // not quoted - return original
}
static <A, B> Map<A, B> synchronizedMRUCache(int maxSize) {
  return synchroMap(new MRUCache(maxSize));
}
static int defaultTokenizerCacheSize() {
  return 1000;
}
static List<String> codeTokens(List<String> tok) {
  return codeTokensOnly(tok);
}


static  List<String> wordTok(String s) {
  return javaTokNPunctuationWithBrackets_cached(s);
}
static <A> A printStructure(String prefix, A o) {
  if (endsWithLetter(prefix)) prefix += ": ";
  print(prefix + structureForUser(o));
  return o;
}

static <A> A printStructure(A o) {
  print(structureForUser(o));
  return o;
}

  static String format3(String pat, Object... args) {
    if (args.length == 0) return pat;
    
    List<String> tok = javaTokPlusPeriod(pat);
    int argidx = 0;
    for (int i = 1; i < tok.size(); i += 2)
      if (tok.get(i).equals("*"))
        tok.set(i, format3_formatArg(argidx < args.length ? args[argidx++] : "null"));
    return join(tok);
  }
  
  static String format3_formatArg(Object arg) {
    if (arg == null) return "null";
    if (arg instanceof String) {
      String s = (String) arg;
      return isIdentifier(s) || isNonNegativeInteger(s) ? s : quote(s);
    }
    if (arg instanceof Integer || arg instanceof Long) return String.valueOf(arg);
    return quote(structure(arg));
  }
  

static Object callCreator(String functionName, Object... args) {
  return call(creator(), functionName, args);
}
static Object dm_getModule(Object moduleOrID) {
  if (moduleOrID == null || eq(moduleOrID, "")) return null;
  if (isString(moduleOrID) && isIdentifier(((String) moduleOrID)))
    return dm_getService(((String) moduleOrID));
  if (isStringOrIntOrLong(moduleOrID))
    return dm_callOS("getDynModuleByID", str(moduleOrID));
  return dm_resolveModule(moduleOrID);
}
static AutoCloseable dm_enter(Object mod) {
  return (AutoCloseable) callOpt(dm_getModule(mod), "enter");
}
static Object call_withVarargs(Object o, String method, Object... args) { try {
  if (o == null) return null;
  
  if (o instanceof Class) {
    Class c = (Class) o;
    _MethodCache cache = callOpt_getCache(c);
    
    Method me = cache.findStaticMethod(method, args);
    if (me != null)
      return invokeMethod(me, null, args);
      
    // try varargs
    List<Method> methods = cache.cache.get(method);
    if (methods != null) methodSearch: for (Method m : methods) {
      { if (!(m.isVarArgs())) continue; }
      { if (!(isStaticMethod(m))) continue; }
      Object[] newArgs = massageArgsForVarArgsCall(m, args);
      if (newArgs != null)
        return invokeMethod(m, null, newArgs);
    }
    
    throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
  } else {
    Class c = o.getClass();
    _MethodCache cache = callOpt_getCache(c);

    Method me = cache.findMethod(method, args);
    if (me != null)
      return invokeMethod(me, o, args);
      
    // try varargs
    List<Method> methods = cache.cache.get(method);
    if (methods != null) methodSearch: for (Method m : methods) {
      { if (!(m.isVarArgs())) continue; }
      Object[] newArgs = massageArgsForVarArgsCall(m, args);
      if (newArgs != null)
        return invokeMethod(m, o, newArgs);
    }
    
    throw fail("Method " + c.getName() + "." + method + "(" + joinWithComma(classNames(args)) + ") not found");
  }
} catch (Exception __e) { throw rethrow(__e); } }
static void _close(AutoCloseable c) {
  if (c != null) try {
    c.close();
  } catch (Throwable e) {
    // Some classes stupidly throw an exception on double-closing
    if (c instanceof javax.imageio.stream.ImageOutputStream)
      return;
    else throw rethrow(e);
  }
}
static void dm_reloadModuleInBackground(Object module) {
  dm_callOS("reloadModuleInBackground", dm_getStem(module));
}

static void dm_reloadModuleInBackground() {
  dm_reloadModuleInBackground(dm_current_mandatory_generic());
}
static String asString(Object o) {
  return o == null ? null : o.toString();
}
static boolean matchX_vbar(String pat, String s) {
  return matchX_vbar(pat, s, null);
}

static boolean matchX_vbar(String pat, String s, Matches matches) {
  for (String pat2 : tok_splitAtVerticalBar(pat))
    if (matchX(pat2, s, matches)) return true;
  return false;
}

static <A, B> boolean mapPut_trueIfChanged(Map<A, B> map, A key, B value) {
  if (map != null && key != null && value != null)
    if (eq(map.get(key), value)) return false;
    else { map.put(key, value); return true; }
  return false;
}
static List<String> tok_splitAtVerticalBar(String s) {
  if (!contains(s, '|')) return ll(s);
  return splitAtTokens(javaTokPlusBrackets2(s), tok_splitAtVerticalBar_list);
}

static List<String> tok_splitAtVerticalBar_list = ll("|");
static boolean flexMatchIC2_debug = false;

static boolean flexMatchIC2(String pat, String s) {
  return flexMatchIC2(pat, s, null);
}

static boolean flexMatchIC2(String pat, String s, Matches m) {
  return flexMatchIC2(javaTok(pat), javaTok_cached(unnull(s)), m);
}

static boolean flexMatchIC2(String pat, String s, Matches m, boolean joinBrackets) {
  return flexMatchIC2(javaTok(pat), javaTok_cached(unnull(s)), m, joinBrackets);
}

static boolean flexMatchIC2(String pat, List<String> tokfull, Matches m, boolean joinBrackets) {
  return flexMatchIC2(javaTok(pat), tokfull, m, joinBrackets);
}

static boolean flexMatchIC2(List<String> tokpat, List<String> tokfull, Matches m) {
  return flexMatchIC2(tokpat, tokfull, m, true);
}

static boolean flexMatchIC2(List<String> tokpat, List<String> tokfull, Matches m, boolean joinBrackets) {
  tokpat = codeTokens(joinBrackets ? joinBrackets(tokpat) : tokpat);
  for (int i = 0; i < l(tokpat); i++)
    if (eq(tokpat.get(i), "*"))
      tokpat.add(i++, "!*"); // insert single-token wildcard in front to avoid empty matches
  if (joinBrackets) tokfull = joinBrackets(tokfull);
  List<String> tok = codeTokens(tokfull);
  BitSet bla = new BitSet();
  BitSet bla2 = new BitSet();
  if (!flexMatchIC2_impl(tokpat, 0, tok, 0, bla, bla2)) return false;
  if (m != null) {
    List<String> l = new ArrayList();
    for (int i = 1; i < l(tokfull); i += 2) {
      if (bla.get(i/2)) {
        int j = i;
        while (j < l(tokfull) && bla.get(j/2)) j += 2;
        l.add(join(subList(tokfull, i, j-1)));
        i = j-2;
      } else if (bla2.get(i/2))
        l.add(tokfull.get(i));
    }
    m.m = toStringArray(l);
  }
  return true;
}

static boolean flexMatchIC2_impl(List<String> pat, int ipat, List<String> tok, int itok, BitSet bla, BitSet bla2) {
  if (flexMatchIC2_debug)
    print("flexMatchIC2 pat=" + structure(subList(pat, ipat)) + " tok=" + structure(subList(tok, itok)) + " " + structure(bla));
  if (ipat >= l(pat))
    return itok >= l(tok);
  String t = pat.get(ipat);
  
  if (eq(t, "*")) { // the flex wildcard (0 or more tokens)
    if (flexMatchIC2_debug) print("Trying zero tokens");
    if (flexMatchIC2_impl(pat, ipat+1, tok, itok, bla, bla2)) {
      if (flexMatchIC2_debug) print("Success!");
      return true;
    }
    
    bla.set(itok);
    if (itok < l(tok)) {
      if (flexMatchIC2_debug) print("Trying one or more tokens");
      if (flexMatchIC2_impl(pat, ipat, tok, itok+1, bla, bla2)) {
        if (flexMatchIC2_debug) print("Success!");
        return true; // success, leave mark
      }
    }
    
    if (flexMatchIC2_debug) print("Failed * matching");
    bla.clear(itok); // fail, undo marking
    return false;
  }
  if (itok >= l(tok)) {
    if (flexMatchIC2_debug)
      print("too much pattern");
    return false;
  }
  if (eq(t, "!*")) { // the single-token wildcard
    bla.set(itok);
    if (flexMatchIC2_impl(pat, ipat+1, tok, itok+1, bla, bla2))
      return true; // success, leave mark
    bla.clear(itok); // fail, undo marking
    return false;
  }
  String realt = tok.get(itok);
  if (t.startsWith("(") && t.endsWith(")")) {
    // quick pre-check
    if (flexMatchIC2_debug)
      print("flexMatchIC2 precheck " + t + " " + realt);
    if (!containsIgnoreCase(t, realt)) return false;
    // real check
    List<String> list = splitAt(dropFirstAndLast(t), "|");
    if (flexMatchIC2_debug)
      print("flexMatchIC2 real check " + struct(list));
    if (!containsIgnoreCase(list, realt)) return false;
    bla2.set(itok);
  } else if (neqic(realt, t)) {
    if (flexMatchIC2_debug)
      print("mismatch");
    return false;
  }
  
  // it is a token match. consume and proceed
  if (flexMatchIC2_impl(pat, ipat+1, tok, itok+1, bla, bla2))
    return true;
  else {
    bla2.clear(itok);
    return false;
  }
}
static String replacePhrase(String s, String pattern, String replacement) {
  return cic(s, pattern) ? regexpReplaceIC_direct(s, "\\b" + regexpQuote(pattern) + "\\b", replacement) : s;
}
static boolean isTrue(Object o) {
  if (o instanceof Boolean)
    return ((Boolean) o).booleanValue();
  if (o == null) return false;
  if (o instanceof ThreadLocal) // TODO: remove this
    return isTrue(((ThreadLocal) o).get());
  throw fail(getClassName(o));
}
static BufferedImage loadPNG(File file) {
  return loadBufferedImage(file);
}
static String toUpper(String s) {
  return s == null ? null : s.toUpperCase();
}

static List<String> toUpper(Collection<String> s) {
  return allToUpper(s);
}
static int shorten_default = 100;

static String shorten(CharSequence s) { return shorten(s, shorten_default); }

static String shorten(CharSequence s, int max) {
  return shorten(s, max, "...");
}

static String shorten(CharSequence s, int max, String shortener) {
  if (s == null) return "";
  if (max < 0) return str(s);
  return s.length() <= max ? str(s) : subCharSequence(s, 0, min(s.length(), max-l(shortener))) + shortener;
}

static String shorten(int max, CharSequence s) { return shorten(s, max); }
static <A> AutoCloseable tempSetTL(ThreadLocal<A> tl, A a) {
  return tempSetThreadLocal(tl, a);
}


 // jsoup







static String googleImageSearch_new_userAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1";
static int googleImageSearch_new_timeout = 10*1000;

static ThreadLocal<Boolean> googleImageSearch_new_nsfw = new ThreadLocal();

static BufferedImage googleImageSearch_new(String q) {
  String html = googleImageSearch_new_loadPage_cached(q);
  
  String group = regexpFirstGroup("image/jpeg;base64,([a-zA-Z0-9/+]*)={0,2}", html);
  return group == null ? null
    : imageFromBytes(base64decode(dropLast(l(group) & 3, group)));
}

static String googleImageSearch_new_loadPage_cached(String q) {
  File f = googleImageSearch_htmlCacheFile(q);
  if (fileSize(f) > 0) return loadTextFile(f);
  String html = str(googleImageSearch_new_loadPage(q));
  saveTextFile(f, html);
  return html;
}

static Document googleImageSearch_new_loadPage(String q) { try {
  String googleUrl = "https://www.google.com/search?tbm=isch"
    + (!isTrue(googleImageSearch_new_nsfw.get()) ? "&safe=active" : "")
    + "&q=" + urlencode(q);
  print("Googling " + quote(q));
  return Jsoup.connect(googleUrl).userAgent(googleImageSearch_new_userAgent).timeout(googleImageSearch_new_timeout).get();
} catch (Exception __e) { throw rethrow(__e); } }


static void savePNG(BufferedImage img, File file) { try {
  File tempFile = new File(file.getPath() + "_temp");
  CriticalAction ca = beginCriticalAction("Save " + f2s(file));
  try {
    ImageIO.write(img, "png", mkdirsFor(tempFile));
    file.delete();
    tempFile.renameTo(file);
  } finally {
    ca.done();
  }
} catch (Exception __e) { throw rethrow(__e); } }

// gotta love convenience & program-smartness
static void savePNG(File file, BufferedImage img) {
  savePNG(img, file);
}


static void savePNG(File file, RGBImage img) {
  savePNG(file, img.getBufferedImage());
}

static String fsI(String id) {
  return formatSnippetID(id);
}

static String fsI(long id) {
  return formatSnippetID(id);
}
static String urlencode(String x) {
  try {
    return URLEncoder.encode(unnull(x), "UTF-8");
  } catch (UnsupportedEncodingException e) { throw new RuntimeException(e); }
}
static <A, B> void mapPut(Map<A, B> map, A key, B value) {
  if (map != null && key != null && value != null) map.put(key, value);
}


static <A, B> void mapPut(Map<A, B> map, Pair<A, B> p) {
  if (map != null && p != null) map.put(p.a, p.b);
}

// there are random upload errors...
static int uploadToImageServerIfNotThere_tries = 3;

static String uploadToImageServerIfNotThere(BufferedImage img, String name) {
  return uploadToImageServerIfNotThere(null, img, name);
}

static String uploadToImageServerIfNotThere(File f, BufferedImage img, String name) {
  String md5 = md5OfRGBImage(new RGBImage(img));
  Throwable lastException = null;
  for (int tries = 0; tries < uploadToImageServerIfNotThere_tries; tries++) try {
    long id = imageServerCheckMD5(md5);
    if (id == 0)
      return uploadToImageServer_new(f, img, name);
    else
      return snippetImgLink(fsI(id));
  } catch (Throwable e) {
    lastException = printException(e);
  }
  throw fail(lastException);
}

static String uploadToImageServerIfNotThere(File f) {
  return uploadToImageServerIfNotThere(f, loadImage2(f), fileName(f));
}

static String uploadFileToImageServer(File f) {
  return uploadToImageServerIfNotThere(f, loadImage2(f), f.getName());
}
static List<T3<String, String, String>> quickGoogle2_safeSearch(String query) {
  return quickGoogle2_safeSearch(query, null);
}

static List<T3<String, String, String>> quickGoogle2_safeSearch(String query, String language, Object... __) {
  return quickGoogle2(query, language, paramsPlus(__, "safeSearch" , true));
}
static List<T3<String, String, String>> quickGoogle2(String query) {
  return quickGoogle2(query, null);
}

static List<T3<String, String, String>> quickGoogle2(String query, String language, Object... __) {
  boolean safeSearch = boolPar("safeSearch",__);
  boolean noCache = boolPar("noCache",__);
  boolean debug = boolPar("debug",__);
  if (safeSearch) noCache = true;
  
  language = or2(language, "lang_en");
  query = trim(query);
  List<T3<String, String, String>> out = noCache ? null : lookupPossiblyIgnoringCase(parseGoogleLog(), query);
  if (out != null) { print("cache hit"); return out; }
  out = new ArrayList();
  
  String userAgent = "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:53.0) Gecko/20100101 Firefox/53.0";
  loadPageWithUserAgent_verbose = true;
  String html = loadPageWithUserAgent("https://www.google.com/search?q=" + urlencode(query) + "&lr=" + language + "&hl=en"
    + (safeSearch ? "&safe=active" : ""), userAgent);
  String url = first(loadPage_responseHeaders.get().get("Location"));
  if (url != null)
    html = loadPageWithUserAgent(url, userAgent);

  saveTextFile(javaxCachesDir("last-google-result-page.html"), html);
  List<String> htmlTok = htmlTok(html);
  List<List<String>> h3s = findContainerTagDeep(htmlTok, "h3");
  for (List<String> tok : h3s) {
    int idx = magicIndexOfSubList(htmlTok, tok);
    String linkTag = get(htmlTok, idx-1);
    if (!tagIs(linkTag, "a")) { if (debug) print("linkTag", linkTag); continue; }

    String link = tagGet(linkTag, "href");
    { if (!(isAbsoluteURL(link))) continue; }
    
    String text = htmldecode(join(dropTags(contentsOfContainerTag(tok))));
    
    // TODO
    List<String> sub = subList(htmlTok, idx+l(tok)-1);
    List<List<String>> spans = findContainerTagWithParams(sub, "span", "class" , "st");
    if (debug) pnl("l(sub)=" + l(sub) + ", spans: " + l(spans));
    if (debug) pnl("spans", spans);
    String desc = trim(htmldecode(dropTags(join(first(spans)))));
    if (debug) printStruct("desc", desc);

    //S desc = "";
    out.add(triple(link, text, desc));
  }
  
  if (empty(out)) {
    saveTextFile(javaxCachesDir("buggy-google.html"), html);
    return out;
  }
  
  if (!noCache)
    logStructure(googleLog(), litorderedmap("query", query, "language", language, "date" , localDateWithSeconds(), "results" , out));
  return out;
}
static <A> List<A> takeFirst(List<A> l, int n) {
  return l(l) <= n ? l : newSubListOrSame(l, 0, n);
}

static <A> List<A> takeFirst(int n, List<A> l) {
  return takeFirst(l, n);
}

static String takeFirst(int n, String s) { return substring(s, 0, n); }
static String takeFirst(String s, int n) { return substring(s, 0, n); }

static CharSequence takeFirst(int n, CharSequence s) { return subCharSequence(s, 0, n); }

static <A> List<A> takeFirst(int n, Iterable<A> i) {
  if (i == null) return null;
  List l = new ArrayList();
  Iterator<A> it = i.iterator();
  for (int _repeat_0 = 0; _repeat_0 < n; _repeat_0++)  { if (it.hasNext()) l.add(it.next()); else break; }
  return l;
}

static int[] takeFirst(int n, int[] a) {
  return takeFirstOfIntArray(n, a);
}
static String unicode_smallBlackSquare() {
  return "\u25AA";
}
static <A> List<A> synchroList() {
  return Collections.synchronizedList(new ArrayList<A>());
}

static <A> List<A> synchroList(List<A> l) {
  return Collections.synchronizedList(l);
}

static <A> List<A> ll(A... a) {
  ArrayList l = new ArrayList(a.length);
  if (a != null) for (A x : a) l.add(x);
  return l;
}
static PersistableThrowable persistableThrowable(Throwable e) {
  return e == null ? null : new PersistableThrowable(e);
}
static Throwable innerException(Throwable e) {
  return getInnerException(e);
}
static String dropSuffix(String suffix, String s) {
  return s.endsWith(suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static boolean structure_showTiming, structure_checkTokenCount;

static String structure(Object o) {
  return structure(o, new structure_Data());
}

static String structure(Object o, structure_Data d) {
  StringWriter sw = new StringWriter();
  d.out = new PrintWriter(sw);
  structure_go(o, d);
  String s = str(sw);
  if (structure_checkTokenCount) {
    print("token count=" + d.n);
    assertEquals("token count", l(javaTokC(s)), d.n);
  }
  return s;
}

static void structure_go(Object o, structure_Data d) {
  structure_1(o, d);
  while (nempty(d.stack))
    popLast(d.stack).run();
}

static void structureToPrintWriter(Object o, PrintWriter out) {
  structure_Data d = new structure_Data();
  d.out = out;
  structure_go(o, d);
}

// leave to false, unless unstructure() breaks
static boolean structure_allowShortening = false;

// info on how to serialize objects of a certain class
static class structure_ClassInfo {
  List<Field> fields;
  Method customSerializer;
  boolean special, nullInstances;
}

static class structure_Data {
  PrintWriter out;
  int stringSizeLimit;
  int shareStringsLongerThan = 20;
  boolean noStringSharing = false;

  IdentityHashMap<Object, Integer> seen = new IdentityHashMap();
  //new BitSet refd;
  HashMap<String, Integer> strings = new HashMap();
  HashSet<String> concepts = new HashSet();
  HashMap<Class, structure_ClassInfo> infoByClass = new HashMap();
  HashMap<Class, Field> persistenceInfo = new HashMap();
  int n; // token count
  List<Runnable> stack = new ArrayList();
  
  // append single token
  structure_Data append(String token) { out.print(token); ++n; return this; }
  structure_Data append(int i) { out.print(i); ++n; return this; }
  
  // append multiple tokens
  structure_Data append(String token, int tokCount) { out.print(token); n += tokCount; return this; }
  
  // extend last token
  structure_Data app(String token) { out.print(token); return this; }
  structure_Data app(int i) { out.print(i); return this; }
}

static void structure_1(final Object o, final structure_Data d) { try {
  if (o == null) { d.append("null"); return; }
  
  Class c = o.getClass();
  boolean concept = false;
  
  structure_ClassInfo info = d.infoByClass.get(c);
  if (info == null) {
    d.infoByClass.put(c, info = new structure_ClassInfo());
    if ((info.customSerializer = findMethodNamed(c, "_serialize"))
      != null) info.special = true;
  }

  List<Field> lFields = info.fields;
  if (lFields == null) {
    // these are never back-referenced (for readability)
    
    if (o instanceof Number) {
      PrintWriter out = d.out;
if (o instanceof Integer) { int i = ((Integer) o).intValue(); out.print(i); d.n += i < 0 ? 2 : 1; return; }
      if (o instanceof Long) { long l = ((Long) o).longValue(); out.print(l); out.print("L"); d.n += l < 0 ? 2 : 1; return; }
      if (o instanceof Short) { short s = ((Short) o).shortValue(); d.append("sh "); out.print(s); d.n += s < 0 ? 2 : 1; return; }
      if (o instanceof Float) { d.append("fl ", 2); quoteToPrintWriter(str(o), out); return; }
      if (o instanceof Double) { d.append("d(", 3); quoteToPrintWriter(str(o), out); d.append(")"); return; }
      if (o instanceof BigInteger) { out.print("bigint("); out.print(o); out.print(")"); d.n += ((BigInteger) o).signum() < 0 ? 5 : 4; return; }
    }
  
    if (o instanceof Boolean) {
      d.append(((Boolean) o).booleanValue() ? "t" : "f"); return;
    }
      
    if (o instanceof Character) {
      d.append(quoteCharacter((Character) o)); return;
    }
      
    if (o instanceof File) {
      d.append("File ").append(quote(((File) o).getPath())); return;
    }
      
    // referencable objects follow
    
    Integer ref = d.seen.get(o);
    if (o instanceof String && ref == null) ref = d.strings.get((String) o);
    if (ref != null) { /*d.refd.set(ref);*/ d.append("t").app(ref); return; }

    if (!(o instanceof String))
      d.seen.put(o, d.n); // record token number
    else {
      String s = d.stringSizeLimit != 0 ? shorten((String) o, d.stringSizeLimit) : (String) o;
      if (!d.noStringSharing) {
        if (d.shareStringsLongerThan == Integer.MAX_VALUE)
          d.seen.put(o, d.n);
        if (l(s) >= d.shareStringsLongerThan)
          d.strings.put(s, d.n);
      }
      quoteToPrintWriter(s, d.out); d.n++; return;
    }
      
    if (o instanceof Set) {
      /*O set2 = unwrapSynchronizedSet(o);
      if (set2 != o) {
        d.append("sync");
        o = set2;
      } TODO */
      
      if (((Set) o) instanceof TreeSet) {
        d.append(isCISet_gen(((Set) o)) ? "ciset" : "treeset");
        structure_1(new ArrayList(((Set) o)), d);
        return;
      }
      
      // assume it's a HashSet or LinkedHashSet
      d.append(((Set) o) instanceof LinkedHashSet ? "lhs" : "hashset");
      structure_1(new ArrayList(((Set) o)), d);
      return;
    }
    
    String name = c.getName();
    
    if (o instanceof Collection
      && !startsWith(name, "main$")
      /* && neq(name, "main$Concept$RefL") */) {
      
      // it's a list
    
      if (name.equals("java.util.Collections$SynchronizedList")
        || name.equals("java.util.Collections$SynchronizedRandomAccessList")) {
        d.append("sync ");
        { structure_1(unwrapSynchronizedList(((List) o)), d); return; }
      }
      else if (name.equals("java.util.LinkedList")) d.append("ll");
      d.append("[");
      final int l = d.n;
      final Iterator it = ((Collection) o).iterator();
      d.stack.add(new Runnable() {  public void run() { try { 
        if (!it.hasNext())
          d.append("]");
        else {
          d.stack.add(this);
          if (d.n != l) d.append(", ");
          structure_1(it.next(), d);
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (!it.hasNext())\r\n          d.append(\"]\");\r\n        else {\r\n          d.sta..."; }});
      return;
    }
    
    if (o instanceof Map && !startsWith(name, "main$")) {
      if (o instanceof LinkedHashMap) d.append("lhm");
      else if (o instanceof HashMap) d.append("hm");
      else if (o instanceof TreeMap)
        d.append(isCIMap_gen(((TreeMap) o)) ? "cimap" : "tm");
      else if (name.equals("java.util.Collections$SynchronizedMap")
        || name.equals("java.util.Collections$SynchronizedSortedMap")
        || name.equals("java.util.Collections$SynchronizedNavigableMap")) {
        d.append("sync "); 
        { structure_1(unwrapSynchronizedMap(((Map) o)), d); return; }
      }
      
      d.append("{");
      final int l = d.n;
      final Iterator it = ((Map) o).entrySet().iterator();
      
      d.stack.add(new Runnable() {
        boolean v = false;
        Map.Entry e;
        
        public void run() {
          if (v) {
            d.append("=");
            v = false;
            d.stack.add(this);
            structure_1(e.getValue(), d);
          } else {
            if (!it.hasNext())
              d.append("}");
            else {
              e = (Map.Entry) it.next();
              v = true;
              d.stack.add(this);
              if (d.n != l) d.append(", ");
              structure_1(e.getKey(), d);
            }
          }
        }
      });
      return;
    }
    
    if (c.isArray()) {
      if (o instanceof byte[]) {
        d.append("ba ").append(quote(bytesToHex((byte[]) o))); return;
      }
  
      final int n = Array.getLength(o);
  
      if (o instanceof boolean[]) {
        String hex = boolArrayToHex((boolean[]) o);
        int i = l(hex);
        while (i > 0 && hex.charAt(i-1) == '0' && hex.charAt(i-2) == '0') i -= 2;
        d.append("boolarray ").append(n).app(" ").append(quote(substring(hex, 0, i))); return;
      }
      
      String atype = "array"/*, sep = ", "*/; // sep is not used yet
  
      if (o instanceof int[]) {
        //ret "intarray " + quote(intArrayToHex((int[]) o));
        atype = "intarray";
        //sep = " ";
      } else if (o instanceof double[]) {
        atype = "dblarray";
        //sep = " ";
      }
      
      d.append(atype).append("{");
      d.stack.add(new Runnable() {
        int i;
        public void run() {
          if (i >= n)
            d.append("}");
          else {
            d.stack.add(this);
            if (i > 0) d.append(", ");
            structure_1(Array.get(o, i++), d);
          }
        }
      });
      return;
    }
  
    if (o instanceof Class) {
      d.append("class(", 2).append(quote(((Class) o).getName())).append(")"); return;
    }
      
    if (o instanceof Throwable) {
      d.append("exception(", 2).append(quote(((Throwable) o).getMessage())).append(")"); return;
    }
      
    if (o instanceof BitSet) {
      BitSet bs = (BitSet) o;
      d.append("bitset{", 2);
      int l = d.n;
      for (int i = bs.nextSetBit(0); i >= 0; i = bs.nextSetBit(i+1)) {
        if (d.n != l) d.append(", ");
        d.append(i);
      }
      d.append("}"); return;
    }
      
    // Need more cases? This should cover all library classes...
    if (name.startsWith("java.") || name.startsWith("javax.")) {
      d.append("j ").append(quote(str(o))); return; // Hm. this is not unstructure-able
    }
    
    
      
    /*if (name.equals("main$Lisp")) {
      fail("lisp not supported right now");
    }*/
    
    if (info.special) {
      if (info.customSerializer != null) {
        // custom serialization (_serialize method)
        Object o2 = invokeMethod(info.customSerializer, o);
        d.append("cu ");
        String shortName = dropPrefix("main$", name);
        d.append(shortName);
        d.out.append(' ');
        structure_1(o2, d);
        return;
      } else
        if (info.nullInstances) { d.append("null"); return; }
      else throw fail("unknown special type");
    }
    
    String dynName = shortDynamicClassName(o);
    if (concept && !d.concepts.contains(dynName)) {
      d.concepts.add(dynName);
      d.append("c ");
    }
    
    // serialize an object with fields.
    // first, collect all fields and values in fv.
    
    TreeSet<Field> fields = new TreeSet<Field>(new Comparator<Field>() {
      public int compare(Field a, Field b) {
        return stdcompare(a.getName(), b.getName());
      }
    });
    
    Class cc = c;
    while (cc != Object.class) {
      for (Field field : getDeclaredFields_cached(cc)) {
        String fieldName = field.getName();
        if (fieldName.equals("_persistenceInfo"))
          d.persistenceInfo.put(c, field);
        if ((field.getModifiers() & (java.lang.reflect.Modifier.STATIC | java.lang.reflect.Modifier.TRANSIENT)) != 0)
          continue;

        fields.add(field);
        
        // put special cases here...?
      }
        
      cc = cc.getSuperclass();
    }
    
    // TODO: S fieldOrder = getOpt(c, "_fieldOrder");
    lFields = asList(fields);
    
    // Render this$1 first because unstructure needs it for constructor call.
    
    int n = l(lFields);
    for (int i = 0; i < n; i++) {
      Field f = lFields.get(i);
      if (f.getName().equals("this$1")) {
        lFields.remove(i);
        lFields.add(0, f);
        break;
      }
    }
  
    
    info.fields = lFields;
  } // << if (lFields == null)
  else { // ref handling for lFields != null
    Integer ref = d.seen.get(o);
    if (ref != null) { /*d.refd.set(ref);*/ d.append("t").app(ref); return; }
    d.seen.put(o, d.n); // record token number
  }

  Field persistenceInfoField =  (Field) (d.persistenceInfo.get(c));
  Map<String, Object> persistenceInfo = persistenceInfoField == null ? null : (Map) persistenceInfoField.get(o);
  
  LinkedHashMap<String, Object> fv = new LinkedHashMap();
  for (Field f : lFields) {
    Object value;
    try {
      value = f.get(o);
    } catch (Exception e) {
      value = "?";
    }
      
    if (value != null && (persistenceInfo == null
      || !Boolean.FALSE.equals(persistenceInfo.get(f.getName()))))
      fv.put(f.getName(), value);
    
  }
  
  String name = c.getName();
  String shortName = dropPrefix("main$", name);
  if (startsWithDigit(shortName)) shortName = name; // for anonymous classes
    
  // Now we have fields & values. Process fieldValues if it's a DynamicObject.
  
  // omit field "className" if equal to class's name
  if (concept && eq(fv.get("className"), shortName))
    fv.remove("className");
          
  if (o instanceof DynamicObject) {
    putAll(fv, (Map) fv.get("fieldValues"));
    fv.remove("fieldValues");
    shortName = shortDynamicClassName(o);
    fv.remove("className");
  }
  
  String singleField = fv.size() == 1 ? first(fv.keySet()) : null;
  
  d.append(shortName);
  d.n += countDots(shortName)*2; // correct token count
  
  
  final int l = d.n;
  final Iterator it = fv.entrySet().iterator();
  
  d.stack.add(new Runnable() {  public void run() { try { 
    if (!it.hasNext()) {
      if (d.n != l)
        d.append(")");
    } else {
      Map.Entry e = (Map.Entry) it.next();
      d.append(d.n == l ? "(" : ", ");
      d.append((String) e.getKey()).append("=");
      d.stack.add(this);
      structure_1(e.getValue(), d);
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (!it.hasNext()) {\r\n      if (d.n != l)\r\n        d.append(\")\");\r\n    } else..."; }});
} catch (Exception __e) { throw rethrow(__e); } }

static Class<?> getClass(String name) {
  try {
    return Class.forName(name);
  } catch (ClassNotFoundException e) {
    return null;
  }
}

static Class getClass(Object o) {
  return o instanceof Class ? (Class) o : o.getClass();
}

static Class getClass(Object realm, String name) { try {
  try {
    return getClass(realm).getClassLoader().loadClass(classNameToVM(name));
  } catch (ClassNotFoundException e) {
    return null;
  }
} catch (Exception __e) { throw rethrow(__e); } }
static String classNameToVM(String name) {
  return name.replace(".", "$");
}
static String formatWithThousands(long l) {
  return formatWithThousandsSeparator(l);
}
static double fraction(double d) {
  return d % 1;
}
static String n_fancy2(long l, String singular, String plural) {
  return formatWithThousandsSeparator(l) + " " + trim(l == 1 ? singular : plural);
}

static String n_fancy2(Collection l, String singular, String plural) {
  return n_fancy2(l(l), singular, plural);
}

static String n_fancy2(Map m, String singular, String plural) {
  return n_fancy2(l(m), singular, plural);
}

static String n_fancy2(Object[] a, String singular, String plural) {
  return n_fancy2(l(a), singular, plural);
}


static <A> A oneOf(List<A> l) {
  return empty(l) ? null : l.get(new Random().nextInt(l.size()));
}

static char oneOf(String s) {
  return empty(s) ? '?' : s.charAt(random(l(s)));
}

static String oneOf(String... l) {
  return oneOf(asList(l));
}
static <A> A collectionGet(Collection<A> c, int idx) {
  if (c == null || idx < 0 || idx >= l(c)) return null;
  if (c instanceof List) return listGet((List<A>) c, idx);
  Iterator<A> it = c.iterator();
  for (int i = 0; i < idx; i++) if (it.hasNext()) it.next(); else return null;
  return it.hasNext() ? it.next() : null;
}


static List<FunctionNameAndPattern> magicQuoteInputForThisProgram_matchers;

static List<String> magicQuoteInputForThisProgram(String input, Object... __) {
  Collection<String> inputs = magicQuotes(input); // all quoted variants
  if (magicQuoteInputForThisProgram_matchers == null)
    magicQuoteInputForThisProgram_matchers = matchingPatternsInJavaXSource_withFunctions(
      boolPar("useTranspiled",__) ? getServerTranspiledWithoutLibs(programID())
      : programID());
  return filter(inputs, i -> matchedByAnyFunctionNameAndPattern(magicQuoteInputForThisProgram_matchers, i)); // filter quoted inputs that match
}


static boolean containsIgnoreCase(Collection<String> l, String s) {
  if (l != null) for (String x : l)
    if (eqic(x, s))
      return true;
  return false;
}

static boolean containsIgnoreCase(String[] l, String s) {
  if (l != null) for (String x : l)
    if (eqic(x, s))
      return true;
  return false;
}

static boolean containsIgnoreCase(String s, char c) {
  return indexOfIgnoreCase(s, String.valueOf(c)) >= 0;
}

static boolean containsIgnoreCase(String a, String b) {
  return indexOfIgnoreCase(a, b) >= 0;
}
static Object rcall(String method, Object o, Object... args) {
  return call_withVarargs(o, method, args);
}
static String rcall_string(String method, Object o, Object... args) {
  return (String) rcall(method, o, args);
}
static String getName() {
  return getProgramName();
}
static String patternQuote(String s) {
  return s.length() == 0 ? "" : Pattern.quote(s);
}
static String quoteReplacement(String s) {
  return Matcher.quoteReplacement(s);
}
static boolean isInteger(String s) {
  int n = l(s);
  if (n == 0) return false;
  int i = 0;
  if (s.charAt(0) == '-')
    if (++i >= n) return false;
  while (i < n) {
    char c = s.charAt(i);
    if (c < '0' || c > '9') return false;
    ++i;
  }
  return true;
}
static long parseLong(String s) {
  if (empty(s)) return 0;
  return Long.parseLong(dropSuffix("L", s));
}

static long parseLong(Object s) {
  return Long.parseLong((String) s);
}


static Map<String, List<String>> parse3_cachedInput_cache = synchronizedMRUCache(1000);

static List<String> parse3_cachedInput(String s) {
  List<String> tok = parse3_cachedInput_cache.get(s);
  if (tok == null) parse3_cachedInput_cache.put(s, tok = parse3(s));
  return tok;
}




static Map<String, List<String>> parse3_cachedPattern_cache = synchronizedMRUCache(1000);

static synchronized List<String> parse3_cachedPattern(String s) {
  List<String> tok = parse3_cachedPattern_cache.get(s);
  if (tok == null) parse3_cachedPattern_cache.put(s, tok = parse3(s));
  return tok;
}


// We dropped the "***" support here (use match3 for that)

static String[] find2(List<String> pat, List<String> tok) {
  for (int idx = 0; idx < tok.size(); idx += 2) { // TODO: subtract pat size from end index
    String[] result = find2(pat, tok, idx);
    if (result != null) return result;
  }
  return null;
}

static String[] find2(List<String> pat, List<String> tok, int idx) {
  if (idx+pat.size() > tok.size())
    return null;
  List<String> result = new ArrayList();
  for (int i = 1; i < pat.size(); i += 2) {
    String p = pat.get(i), t = tok.get(idx+i);
    if (eq(p, "*"))
      result.add(t);
    else if (!p.equalsIgnoreCase(t))
      return null;
  }
  return toStringArray(result);
}

static String unnull(String s) {
  return s == null ? "" : s;
}

static <A> Collection<A> unnull(Collection<A> l) {
  return l == null ? emptyList() : l;
}

static <A> List<A> unnull(List<A> l) { return l == null ? emptyList() : l; }
static int[] unnull(int[] l) { return l == null ? emptyIntArray() : l; }
static char[] unnull(char[] l) { return l == null ? emptyCharArray() : l; }

static <A, B> Map<A, B> unnull(Map<A, B> l) {
  return l == null ? emptyMap() : l;
}

static <A> Iterable<A> unnull(Iterable<A> i) {
  return i == null ? emptyList() : i;
}

static <A> A[] unnull(A[] a) {
  return a == null ? (A[]) emptyObjectArray() : a;
}

static BitSet unnull(BitSet b) {
  return b == null ? new BitSet() : b;
}


static Pt unnull(Pt p) {
  return p == null ? new Pt() : p;
}


//ifclass Symbol



static <A, B> Pair<A, B> unnull(Pair<A, B> p) {
  return p != null ? p : new Pair(null, null);
}

static <A, B> Collection<B> values(Map<A, B> map) {
  return map == null ? emptyList() : map.values();
}

// convenience shortcut for values_gen
static Collection values(Object map) {
  return values((Map) map);
}


static <A, B> Collection<B> values(MultiMap<A, B> mm) {
  return mm == null ? emptyList() : concatLists(values(mm.data));
}



static String textOut_and(Collection<String> l) {
  return textOut_and(l, "nothing");
}

static String textOut_and(Collection<String> l, String emptyText) {
  if (empty(l)) return emptyText;
  List<String> separators = rep(", ", l(l)-2);
  separators.add(" and ");
  return join_flex(separators, l);
}
// TODO: extended multi-line strings

static int javaTok_n, javaTok_elements;
static boolean javaTok_opt = false;

static List<String> javaTok(String s) {
  ++javaTok_n;
  ArrayList<String> tok = new ArrayList();
  int l = s == null ? 0 : s.length();
  
  int i = 0, n = 0;
  while (i < l) {
    int j = i;
    char c, d;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      d = j+1 >= l ? '\0' : s.charAt(j+1);
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (c == '/' && d == '*') {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (c == '/' && d == '/') {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    tok.add(javaTok_substringN(s, i, j));
    ++n;
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    d = i+1 >= l ? '\0' : s.charAt(i+1);

    // scan for non-whitespace
    
    // Special JavaX syntax: 'identifier
    if (c == '\'' && Character.isJavaIdentifierStart(d) && i+2 < l && "'\\".indexOf(s.charAt(i+2)) < 0) {
      j += 2;
      while (j < l && Character.isJavaIdentifierPart(s.charAt(j)))
        ++j;
    } else if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        int c2 = s.charAt(j);
        if (c2 == opener || c2 == '\n' && opener == '\'') { // allow multi-line strings, but not for '
          ++j;
          break;
        } else if (c2 == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\'')); // for stuff like "don't"
    else if (Character.isDigit(c)) {
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
    } else if (c == '[' && d == '[') {
      do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
      j = Math.min(j+2, l);
    } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
      do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
      j = Math.min(j+3, l);
    } else
      ++j;
      
    tok.add(javaTok_substringC(s, i, j));
    ++n;
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  javaTok_elements += tok.size();
  return tok;
}

static List<String> javaTok(List<String> tok) {
  return javaTokWithExisting(join(tok), tok);
}
static boolean containsNewLine(String s) {
  return contains(s, '\n'); // screw \r, nobody needs it
}
static void addIfNempty(Collection<String> l, String s) {
  if (nempty(s)) l.add(s);
}

static void addIfNempty(Collection l, Map m) {
  if (nempty(m)) l.add(m);
}

static void addIfNempty(Collection l, Collection c) {
  if (nempty(c)) l.add(c);
}
static String trimJoinSubList(List<String> l, int i, int j) {
  return trim(join(subList(l, i, j)));
}

static String trimJoinSubList(List<String> l, int i) {
  return trim(join(subList(l, i)));
}


static ThreadLocal<Object> print_byThread() {
  synchronized(print_byThread_lock) {
    if (print_byThread == null)
      print_byThread = new ThreadLocal();
  }
  return print_byThread;
}
// f can return false to suppress regular printing
// call print_raw within f to actually print something
static AutoCloseable tempInterceptPrint(F1<String, Boolean> f) {
  return tempSetThreadLocal(print_byThread(), f);
}
static String getStackTrace2(Throwable e) {
  return hideCredentials(getStackTrace(unwrapTrivialExceptionWraps(e)) + replacePrefix("java.lang.RuntimeException: ", "FAIL: ",
    hideCredentials(str(innerException2(e)))) + "\n");
}
static <A> A or(A a, A b) {
  return a != null ? a : b;
}
static <A, B> Map<A, B> newDangerousWeakHashMap() {
  return _registerDangerousWeakMap(synchroMap(new WeakHashMap()));
}

// initFunction: voidfunc(Map) - is called initially, and after clearing the map
static <A, B> Map<A, B> newDangerousWeakHashMap(Object initFunction) {
  return _registerDangerousWeakMap(synchroMap(new WeakHashMap()), initFunction);
}
static Object callMCWithVarArgs(String method, Object... args) {
  return call_withVarargs(mc(), method, args);
}
static String getClassName(Object o) {
  return o == null ? "null" : o instanceof Class ? ((Class) o).getName() : o.getClass().getName();
}
static Object invokeMethod(Method m, Object o, Object... args) { try {
  try {
    return m.invoke(o, args);
  } catch (InvocationTargetException e) {
    throw rethrow(getExceptionCause(e));
  } catch (IllegalArgumentException e) {
    throw new IllegalArgumentException(e.getMessage() + " - was calling: " + m + ", args: " + joinWithSpace(classNames(args)));
  }
} catch (Exception __e) { throw rethrow(__e); } }
static boolean call_checkArgs(Method m, Object[] args, boolean debug) {
  Class<?>[] types = m.getParameterTypes();
  if (types.length != args.length) {
    if (debug)
      print("Bad parameter length: " + args.length + " vs " + types.length);
    return false;
  }
  for (int i = 0; i < types.length; i++) {
    Object arg = args[i];
    if (!(arg == null ? !types[i].isPrimitive()
      : isInstanceX(types[i], arg))) {
      if (debug)
        print("Bad parameter " + i + ": " + arg + " vs " + types[i]);
      return false;
    }
  }
  return true;
}
static Field makeAccessible(Field f) {
  try {
    f.setAccessible(true);
  } catch (Throwable e) {
    // Note: The error reporting only works with Java VM option --illegal-access=deny
    
    vmBus_send("makeAccessible_error",e, f);
    
  }
  return f;
}

static Method makeAccessible(Method m) {
  try {
    m.setAccessible(true);
  } catch (Throwable e) {
    
    vmBus_send("makeAccessible_error",e, m);
    
  }
  return m;
}

static Constructor makeAccessible(Constructor c) {
  try {
    c.setAccessible(true);
  } catch (Throwable e) {
    
    vmBus_send("makeAccessible_error",e, c);
    
  }
  return c;
}
static <A> int indexOf(List<A> l, A a, int startIndex) {
  if (l == null) return -1;
  int n = l(l);
  for (int i = startIndex; i < n; i++)
    if (eq(l.get(i), a))
      return i;
  return -1;
}

static <A> int indexOf(List<A> l, int startIndex, A a) {
  return indexOf(l, a, startIndex);
}

static <A> int indexOf(List<A> l, A a) {
  if (l == null) return -1;
  return l.indexOf(a);
}

static int indexOf(String a, String b) {
  return a == null || b == null ? -1 : a.indexOf(b);
}

static int indexOf(String a, String b, int i) {
  return a == null || b == null ? -1 : a.indexOf(b, i);
}

static int indexOf(String a, char b) {
  return a == null ? -1 : a.indexOf(b);
}

static int indexOf(String a, int i, char b) {
  return indexOf(a, b, i);
}

static int indexOf(String a, char b, int i) {
  return a == null ? -1 : a.indexOf(b, i);
}

static int indexOf(String a, int i, String b) {
  return a == null || b == null ? -1 : a.indexOf(b, i);
}

static <A> int indexOf(A[] x, A a) {
  int n = l(x);
  for (int i = 0; i < n; i++)
    if (eq(x[i], a))
      return i;
  return -1;
}
static void rotateStringBuffer(StringBuffer buf, int max) { try {
  if (buf == null) return;
  synchronized(buf) {
    if (buf.length() <= max) return;
    
    try {
      int newLength = max/2;
      int ofs = buf.length()-newLength;
      String newString = buf.substring(ofs);
      buf.setLength(0);
      buf.append("[...] ").append(newString);
    } catch (Exception e) {
      buf.setLength(0);
    }
    buf.trimToSize();
  }
} catch (Exception __e) { throw rethrow(__e); } }
static void rotateStringBuilder(StringBuilder buf, int max) { try {
  if (buf == null) return;
  synchronized(buf) {
    if (buf.length() <= max) return;
    
    try {
      int newLength = max/2;
      int ofs = buf.length()-newLength;
      String newString = buf.substring(ofs);
      buf.setLength(0);
      buf.append("[...] ").append(newString);
    } catch (Exception e) {
      buf.setLength(0);
    }
    buf.trimToSize();
  }
} catch (Exception __e) { throw rethrow(__e); } }
static String makeRandomID(int length) {
  return makeRandomID(length, defaultRandomGenerator());
}

static String makeRandomID(int length, Random random) {
  char[] id = new char[length];
  for (int i = 0; i < id.length; i++)
    id[i] = (char) ((int) 'a' + random.nextInt(26));
  return new String(id);
}

static String makeRandomID(Random r, int length) {
  return makeRandomID(length, r);
}
static Object callOpt_withVarargs(Object o, String method, Object... args) { try {
  if (o == null) return null;
  
  if (o instanceof Class) {
    Class c = (Class) o;
    _MethodCache cache = callOpt_getCache(c);
    
    Method me = cache.findMethod(method, args);
    if (me == null) {
      // TODO: varargs
      return null;
    }
    if ((me.getModifiers() & Modifier.STATIC) == 0)
      return null;
    return invokeMethod(me, null, args);
  } else {
    Class c = o.getClass();
    _MethodCache cache = callOpt_getCache(c);

    Method me = cache.findMethod(method, args);
    if (me != null)
      return invokeMethod(me, o, args);
      
    // try varargs
    List<Method> methods = cache.cache.get(method);
    if (methods != null) methodSearch: for (Method m : methods) {
      { if (!(m.isVarArgs())) continue; }
      Object[] newArgs = massageArgsForVarArgsCall(m, args);
      if (newArgs != null)
        return invokeMethod(m, o, newArgs);
    }
    
    return null;
  }
} catch (Exception __e) { throw rethrow(__e); } }
static Class mc() {
  return main.class;
}
static Class javax() {
  return getJavaX();
}
static RuntimeException asRuntimeException(Throwable t) {
  
  if (t instanceof Error)
    _handleError((Error) t);
  
  return t instanceof RuntimeException ? (RuntimeException) t : new RuntimeException(t);
}
static CloseableIterableIterator<String> linesFromFile(File f) { try {
  if (!f.exists()) return emptyCloseableIterableIterator();
  
  if (ewic(f.getName(), ".gz"))
    return linesFromReader(utf8bufferedReader(newGZIPInputStream(f)));
  
  return linesFromReader(utf8bufferedReader(f));
} catch (Exception __e) { throw rethrow(__e); } }

static CloseableIterableIterator<String> linesFromFile(String path) {
  return linesFromFile(newFile(path));
}
static <A, B> Map<A, B> newWeakHashMap() {
  return _registerWeakMap(synchroMap(new WeakHashMap()));
}
// TODO: test if android complains about this
static boolean isAWTThread() {
  if (isAndroid()) return false;
  if (isHeadless()) return false;
  return isAWTThread_awt();
}

static boolean isAWTThread_awt() {
  return SwingUtilities.isEventDispatchThread();
}
static void failIfUnlicensed() {
  assertTrue("license off", licensed());
}
static Thread currentThread() {
  return Thread.currentThread();
}
static String getStackTrace(Throwable throwable) {
  lastException(throwable);
  return getStackTrace_noRecord(throwable);
}

static String getStackTrace_noRecord(Throwable throwable) {
  StringWriter writer = new StringWriter();
  throwable.printStackTrace(new PrintWriter(writer));
  return hideCredentials(writer.toString());
}

static String getStackTrace() {
  return getStackTrace_noRecord(new Throwable());
}
// f : Matcher -> S
static String regexpReplaceIC(String s, String pat, Object f) {
  return regexReplaceIC(s, pat, f);
}

static String regexpReplaceIC(String s, String pat, IF1<Matcher, String> f) {
  return regexReplaceIC(s, pat, f);
}
static boolean boolOptParam(ThreadLocal<Boolean> tl) {
  return isTrue(optPar(tl));
}

// defaults to false
static boolean boolOptParam(Object[] __, String name) {
  return isTrue(optParam(__, name));
}

static boolean boolOptParam(String name, Object[] __) {
  return boolOptParam(__, name);
}

static boolean boolOptParam(String name, Map __) {
  return isTrue(optPar(name, __));
}
static <A, B> B mapGet(Map<A, B> map, A a) {
  return map == null || a == null ? null : map.get(a);
}

static <A, B> B mapGet(A a, Map<A, B> map) {
  return map == null || a == null ? null : map.get(a);
}
static boolean even(int i) {
  return (i & 1) == 0;
}

static boolean even(long i) {
  return (i & 1) == 0;
}
static String f2s(File f) {
  return f == null ? null : f.getAbsolutePath();
}

static String f2s(String s) { return f2s(newFile(s)); }


 static String f2s(java.nio.file.Path p) {
  return p == null ? null : f2s(p.toFile());
}

static File getCacheProgramDir() {
  return getCacheProgramDir(getProgramID());
}

static File getCacheProgramDir(String snippetID) {
  return new File(userHome(), "JavaX-Caches/" + formatSnippetIDOpt(snippetID));
}

static String programID;
static String getProgramID() {
  return nempty(programID) ? formatSnippetIDOpt(programID) : "?";
}


// TODO: ask JavaX instead
static String getProgramID(Class c) {
  String id = (String) getOpt(c, "programID");
  if (nempty(id))
    return formatSnippetID(id);
  return "?";
}


static String getProgramID(Object o) {
  return getProgramID(getMainClass(o));
}
static boolean regionMatchesIC(String a, int offsetA, String b, int offsetB, int len) {
  
  
    return a != null && a.regionMatches(true, offsetA, b, offsetB, len);
  
}
static int strL(String s) {
  return s == null ? 0 : s.length();
}
static Map<String, java.util.regex.Pattern> compileRegexpIC_cache = syncMRUCache(10);

static java.util.regex.Pattern compileRegexpIC(String pat) {
  java.util.regex.Pattern p = compileRegexpIC_cache.get(pat);
  if (p == null) {
    
    try {
      compileRegexpIC_cache.put(pat, p = java.util.regex.Pattern.compile(pat, Pattern.CASE_INSENSITIVE));
    } catch (PatternSyntaxException e) {
      throw rethrow(wrapPatternSyntaxException(e));
    }
  }
  return p;
}
static Matcher regexpMatcher(String pat, String s) {
  return compileRegexp(pat).matcher(unnull(s));
}
static Field getOpt_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static Iterator emptyIterator() {
  return Collections.emptyIterator();
}
//static final Map<Class, HashMap<S, Field>> getOpt_cache = newDangerousWeakHashMap(f getOpt_special_init);

static class getOpt_Map extends WeakHashMap {
  getOpt_Map() {
    if (getOpt_special == null) getOpt_special = new HashMap();
    clear();
  }
  
  public void clear() {
    super.clear();
    //print("getOpt clear");
    put(Class.class, getOpt_special);
    put(String.class, getOpt_special);
  }
}

static final Map<Class, HashMap<String, Field>> getOpt_cache = _registerDangerousWeakMap(synchroMap(new getOpt_Map()));
//static final Map<Class, HashMap<S, Field>> getOpt_cache = _registerWeakMap(synchroMap(new getOpt_Map));
static HashMap getOpt_special; // just a marker

/*static void getOpt_special_init(Map map) {
  map.put(Class.class, getOpt_special);
  map.put(S.class, getOpt_special);
}*/

static Object getOpt_cached(Object o, String field) { try {
  if (o == null) return null;

  Class c = o.getClass();
  HashMap<String, Field> map;
  synchronized(getOpt_cache) {
    map = getOpt_cache.get(c);
    if (map == null)
      map = getOpt_makeCache(c);
  }
  
  if (map == getOpt_special) {
    if (o instanceof Class)
      return getOpt((Class) o, field);
    /*if (o instanceof S)
      ret getOpt(getBot((S) o), field);*/
    if (o instanceof Map)
      return ((Map) o).get(field);
  }
    
  Field f = map.get(field);
  if (f != null) return f.get(o);
  
    if (o instanceof DynamicObject)
      return mapGet2(((DynamicObject) o).fieldValues, field);
  
  return null;
} catch (Exception __e) { throw rethrow(__e); } }

// used internally - we are in synchronized block
static HashMap<String, Field> getOpt_makeCache(Class c) {
  HashMap<String, Field> map;
  if (isSubtypeOf(c, Map.class))
    map = getOpt_special;
  else {
    map = new HashMap();
    if (!reflection_classesNotToScan().contains(c.getName())) {
      Class _c = c;
      do {
        for (Field f : _c.getDeclaredFields()) {
          makeAccessible(f);
          String name = f.getName();
          if (!map.containsKey(name))
            map.put(name, f);
        }
        _c = _c.getSuperclass();
      } while (_c != null);
    }
  }
  if (getOpt_cache != null) getOpt_cache.put(c, map);
  return map;
}
// match2 matches multiple "*" (matches a single token) wildcards and zero or one "..." wildcards (matches multiple tokens)

static String[] match2(List<String> pat, List<String> tok) {
  // standard case (no ...)
  int i = pat.indexOf("...");
  if (i < 0) return match2_match(pat, tok);
  
  pat = new ArrayList<String>(pat); // We're modifying it, so copy first
  pat.set(i, "*");
  while (pat.size() < tok.size()) {
    pat.add(i, "*");
    pat.add(i+1, ""); // doesn't matter
  }
  
  return match2_match(pat, tok);
}

static String[] match2_match(List<String> pat, List<String> tok) {
  List<String> result = new ArrayList<String>();
  if (pat.size() != tok.size()) {
    
    return null;
  }
  for (int i = 1; i < pat.size(); i += 2) {
    String p = pat.get(i), t = tok.get(i);
    
    if (eq(p, "*"))
      result.add(t);
    else if (!equalsIgnoreCase(unquote(p), unquote(t))) // bold change - match quoted and unquoted now. TODO: should remove
      return null;
  }
  return result.toArray(new String[result.size()]);
}

static boolean checkFieldsIC(Object x, Object... data) {
  for (int i = 0; i < l(data); i += 2)
    if (!eqicOrEq(getOpt(x, (String) data[i]), data[i+1]))
      return false;
  return true;
}
static int max(int a, int b) { return Math.max(a, b); }
static int max(int a, int b, int c) { return max(max(a, b), c); }
static long max(int a, long b) { return Math.max((long) a, b); }
static long max(long a, long b) { return Math.max(a, b); }
static double max(int a, double b) { return Math.max((double) a, b); }
static float max(float a, float b) { return Math.max(a, b); }
static double max(double a, double b) { return Math.max(a, b); }

static int max(Collection<Integer> c) {
  int x = Integer.MIN_VALUE;
  for (int i : c) x = max(x, i);
  return x;
}

static double max(double[] c) {
  if (c.length == 0) return Double.MIN_VALUE;
  double x = c[0];
  for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
  return x;
}

static float max(float[] c) {
  if (c.length == 0) return Float.MAX_VALUE;
  float x = c[0];
  for (int i = 1; i < c.length; i++) x = Math.max(x, c[i]);
  return x;
}

static byte max(byte[] c) {
  byte x = -128;
  for (byte d : c) if (d > x) x = d;
  return x;
}

static short max(short[] c) {
  short x = -0x8000;
  for (short d : c) if (d > x) x = d;
  return x;
}

static int max(int[] c) {
  int x = Integer.MIN_VALUE;
  for (int d : c) if (d > x) x = d;
  return x;
}
static boolean checkFields(Object x, Object... data) {
  for (int i = 0; i < l(data); i += 2)
    if (neq(getOpt(x, (String) data[i]), data[i+1]))
      return false;
  return true;
}
static String getCanonicalPath(File f) { try {
  return f == null ? null : f.getCanonicalPath();
} catch (Exception __e) { throw rethrow(__e); } }

static String getCanonicalPath(String path) {
  return getCanonicalPath(newFile(path));
}
static FileOutputStream newFileOutputStream(File path) throws IOException {
  return newFileOutputStream(path.getPath());
}

static FileOutputStream newFileOutputStream(String path) throws IOException {
  return newFileOutputStream(path, false);
}

static FileOutputStream newFileOutputStream(File path, boolean append) throws IOException {
  return newFileOutputStream(path.getPath(), append);
}

static FileOutputStream newFileOutputStream(String path, boolean append) throws IOException {
  mkdirsForFile(path);
  FileOutputStream f = new FileOutputStream(path, append);
  
  _registerIO(f, path, true);
  
  return f;
}
static AutoCloseable tempCleaningUp() {
  
  return tempSetTL(ping_isCleanUpThread, true);
  
  
}
static void closeAllWriters(Collection<? extends Writer> l) {
  for (Writer w : unnull(l)) { try {
    w.close();
  } catch (Throwable __e) { _handleException(__e); }}
}
static File getProgramFile(String progID, String fileName) {
  if (new File(fileName).isAbsolute())
    return new File(fileName);
  return new File(getProgramDir(progID), fileName);
}

static File getProgramFile(String fileName) {
  return getProgramFile(getProgramID(), fileName);
}

static char lastChar(String s) {
  return empty(s) ? '\0' : s.charAt(l(s)-1);
}
static <A> A[] dropLast(A[] a) { return dropLast(a, 1); }
static <A> A[] dropLast(A[] a, int n) {
  if (a == null) return null;
  n = Math.min(n, a.length);
  A[] b = arrayOfSameType(a, a.length-n);
  System.arraycopy(a, 0, b, 0, b.length);
  return b;
}

static <A> List<A> dropLast(List<A> l) {
  return subList(l, 0, l(l)-1);
}

static <A> List<A> dropLast(int n, List<A> l) {
  return subList(l, 0, l(l)-n);
}

static <A> List<A> dropLast(Iterable<A> l) {
  return dropLast(asList(l));
}

static String dropLast(String s) {
  return substring(s, 0, l(s)-1);
}

static String dropLast(String s, int n) {
  return substring(s, 0, l(s)-n);
}

static String dropLast(int n, String s) {
  return dropLast(s, n);
}

static String dropSuffixAndTrim(String suffix, String s) {
  return trim(dropSuffix(suffix, s));
}
static boolean nemptyString(String s) {
  return s != null && s.length() > 0;
}
static int listL(Collection l) {
  return l == null ? 0 : l.size();
}
static String dropPrefix(String prefix, String s) {
  return s == null ? null : s.startsWith(prefix) ? s.substring(l(prefix)) : s;
}
static void arraycopy(Object[] a, Object[] b) {
  if (a != null && b != null)
    arraycopy(a, 0, b, 0, Math.min(a.length, b.length));
}

static void arraycopy(Object src, int srcPos, Object dest, int destPos, int n) {
  if (n != 0)
    System.arraycopy(src, srcPos, dest, destPos, n);
}
static String joinSubList(List<String> l, int i, int j) {
  return join(subList(l, i, j));
}

static String joinSubList(List<String> l, int i) {
  return join(subList(l, i));
}


static String joinSubList(List<String> l, IntRange r) {
  return r == null ? null : joinSubList(l, r.start, r.end);
}

static boolean matchEnd(String pat, String s) {
  return matchEnd(pat, s, null);
}

// matches are as you expect, plus an extra item for the rest string
static boolean matchEnd(String pat, String s, Matches matches) {
  if (s == null) return false;
  List<String> tokpat = parse3(pat), toks = parse3(s);
  if (toks.size() < tokpat.size()) return false;
  String[] m = match2(tokpat, takeLast(l(tokpat), toks));
  if (m == null) return false;
  if (matches != null) {
    matches.m = new String[m.length+1];
    arraycopy(m, matches.m);
    matches.m[m.length] = join(dropLast(l(tokpat), toks)); // for Matches.rest()
  }
  return true;
}
static Object collectionMutex(List l) {
  return l;
}

static Object collectionMutex(Object o) {
  if (o instanceof List) return o;
  
  String c = className(o);
  if (eq(c, "java.util.TreeMap$KeySet"))
    c = className(o = getOpt(o, "m"));
  else if (eq(c, "java.util.HashMap$KeySet"))
    c = className(o = get_raw(o, "this$0"));

  
  
  if (eqOneOf(c, "java.util.TreeMap$AscendingSubMap", "java.util.TreeMap$DescendingSubMap"))
    c = className(o = get_raw(o, "m"));
    
  
    
  return o;
}
static boolean isNormalQuoted(String s) {
  int l = l(s);
  if (!(l >= 2 && s.charAt(0) == '"' && lastChar(s) == '"')) return false;
  int j = 1;
  while (j < l)
    if (s.charAt(j) == '"')
      return j == l-1;
    else if (s.charAt(j) == '\\' && j+1 < l)
      j += 2;
    else
      ++j;
  return false;
}
static boolean isMultilineQuoted(String s) {
  if (!startsWith(s, "[")) return false;
  int i = 1;
  while (i < s.length() && s.charAt(i) == '=') ++i;
  return i < s.length() && s.charAt(i) == '[';
}
static Map synchroMap() {
  return synchroHashMap();
}

static <A, B> Map<A, B> synchroMap(Map<A, B> map) {
  return Collections.synchronizedMap(map);
}
static List<String> codeTokensOnly(List<String> tok) {
  int n = tok.size();
  List<String> l = emptyList(n/2);
  for (int i = 1; i < n; i += 2)
    l.add(tok.get(i));
  return l;
}


static Map<String, List<String>> javaTokNPunctuationWithBrackets_cached_cache = synchronizedMRUCache(defaultTokenizerCacheSize());

static List<String> javaTokNPunctuationWithBrackets_cached(String s) {
  List<String> tok = javaTokNPunctuationWithBrackets_cached_cache.get(s);
  if (tok == null) javaTokNPunctuationWithBrackets_cached_cache.put(s, tok = javaTokNPunctuationWithBrackets(s));
  return tok;
}


static boolean endsWithLetter(String s) {
  return nempty(s) && isLetter(last(s));
}
static String structureForUser(Object o) {
  return beautifyStructure(struct_noStringSharing(o));
}
// This is made for NL parsing.
// It's javaTok extended with "..." token, "$n" and "#n" and
// special quotes (which are converted to normal ones).

static List<String> javaTokPlusPeriod(String s) {
  List<String> tok = new ArrayList<String>();
  if (s == null) return tok;
  int l = s.length();
  
  int i = 0;
  while (i < l) {
    int j = i;
    char c; String cc;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      cc = s.substring(j, Math.min(j+2, l));
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (cc.equals("/*")) {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (cc.equals("//")) {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    tok.add(s.substring(i, j));
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    cc = s.substring(i, Math.min(i+2, l));

    // scan for non-whitespace
    if (c == (char) 0x201C || c == (char) 0x201D) c = '"'; // normalize quotes
    if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        char _c = s.charAt(j);
        if (_c == (char) 0x201C || _c == (char) 0x201D) _c = '"'; // normalize quotes
        if (_c == opener) {
          ++j;
          break;
        } else if (s.charAt(j) == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
      if (j-1 >= i+1) {
        tok.add(opener + s.substring(i+1, j-1) + opener);
        i = j;
        continue;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || s.charAt(j) == '\'')); // for things like "this one's"
    else if (Character.isDigit(c))
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
    else if (cc.equals("[[")) {
      do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
      j = Math.min(j+2, l);
    } else if (cc.equals("[=") && i+2 < l && s.charAt(i+2) == '[') {
      do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
      j = Math.min(j+3, l);
    } else if (s.substring(j, Math.min(j+3, l)).equals("..."))
      j += 3;
    else if (c == '$' || c == '#')
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
    else
      ++j;

    tok.add(s.substring(i, j));
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  return tok;
}

static boolean isIdentifier(String s) {
  return isJavaIdentifier(s);
}
static boolean isNonNegativeInteger(String s) {
  int n = l(s);
  if (n == 0) return false;
  int i = 0;
  while (i < n) {
    char c = s.charAt(i);
    if (c < '0' || c > '9') return false;
    ++i;
  }
  return true;
}
static String quote(Object o) {
  if (o == null) return "null";
  return quote(str(o));
}

static String quote(String s) {
  if (s == null) return "null";
  StringBuilder out = new StringBuilder((int) (l(s)*1.5+2));
  quote_impl(s, out);
  return out.toString();
}
  
static void quote_impl(String s, StringBuilder out) {
  out.append('"');
  int l = s.length();
  for (int i = 0; i < l; i++) {
    char c = s.charAt(i);
    if (c == '\\' || c == '"')
      out.append('\\').append(c);
    else if (c == '\r')
      out.append("\\r");
    else if (c == '\n')
      out.append("\\n");
    else if (c == '\t')
      out.append("\\t");
    else if (c == '\0')
      out.append("\\0");
    else
      out.append(c);
  }
  out.append('"');
}
static WeakReference<Object> creator_class;

static Object creator() {
  return creator_class == null ? null : creator_class.get();
}
static boolean isString(Object o) {
  return o instanceof String;
}
static Object dm_getService(String serviceName) {
  return empty(serviceName) ? null : dm_getModule(vmBus_query(assertIdentifier(serviceName)));
}
static boolean isStringOrIntOrLong(Object o) {
  return o instanceof String || o instanceof Integer || o instanceof Long;
}
static Object dm_callOS(String functionName, Object... args) {
  return call(dm_os(), functionName, args);
}
static Object dm_resolveModule(Object moduleOrStem) {
  return dm_callOS("resolveModule", moduleOrStem);
}
static final Map<Class, _MethodCache> callOpt_cache = newDangerousWeakHashMap();

static Object callOpt_cached(Object o, String methodName, Object... args) { try {
  if (o == null) return null;
  
  if (o instanceof Class) {
    Class c = (Class) o;
    _MethodCache cache = callOpt_getCache(c);
    
    // TODO: (super-rare) case where method exists static and non-static
    // with different args
    
    Method me = cache.findMethod(methodName, args);
    if (me == null || (me.getModifiers() & Modifier.STATIC) == 0) return null;
    return invokeMethod(me, null, args);
  } else {
    Class c = o.getClass();
    _MethodCache cache = callOpt_getCache(c);

    Method me = cache.findMethod(methodName, args);
    if (me == null) return null;
    return invokeMethod(me, o, args);
  }
} catch (Exception __e) { throw rethrow(__e); } }

static _MethodCache callOpt_getCache(Class c) {
  synchronized(callOpt_cache) {
    _MethodCache cache = callOpt_cache.get(c);
    if (cache == null)
      callOpt_cache.put(c, cache = new _MethodCache(c));
    return cache;
  }
}
static boolean isStaticMethod(Method m) {
  return methodIsStatic(m);
}
static Object[] massageArgsForVarArgsCall(Method m, Object[] args) {
  Class<?>[] types = m.getParameterTypes();
  int n = types.length-1, nArgs = args.length;
  if (nArgs < n) return null;
  for (int i = 0; i < n; i++)
    if (!argumentCompatibleWithType(args[i], types[i]))
      return null;
  Class varArgType = types[n].getComponentType();
  for (int i = n; i < nArgs; i++)
    if (!argumentCompatibleWithType(args[i], varArgType))
      return null;
  Object[] newArgs = new Object[n+1];
  arraycopy(args, 0, newArgs, 0, n);
  Object[] varArgs = arrayOfType(varArgType, nArgs-n);
  arraycopy(args, n, varArgs, 0, nArgs-n);
  newArgs[n] = varArgs;
  return newArgs;
}
static <A> String joinWithComma(Collection<A> c) {
  return join(", ", c);
}

static String joinWithComma(String... c) {
  return join(", ", c);
}


static String joinWithComma(Pair p) {
  return p == null ? "" : joinWithComma(str(p.a), str(p.b));
}

static List<String> classNames(Collection l) {
  return getClassNames(l);
}

static List<String> classNames(Object[] l) {
  return getClassNames(Arrays.asList(l));
}
static Object dm_getStem(Object moduleOrID) {
  if (isString(moduleOrID) && isIdentifier(((String) moduleOrID)))
    moduleOrID = dm_getService(((String) moduleOrID));
  if (isStringOrIntOrLong(moduleOrID))
    return dm_getStemByID(moduleOrID);
  return or(getOpt(dm_getModule(moduleOrID), "_host"), moduleOrID);
}
static Object dm_current_mandatory_generic() {
  return assertNotNull("No module set", dm_current_generic());
}
static List<String> splitAtTokens(String s, List<String> tokens) {
  return splitAtTokens(javaTok(s), tokens);
}

static List<String> splitAtTokens(List<String> tok, List<String> tokens) {
  List<String> l = new ArrayList();
  int i = 0;
  while (i < l(tok)) {
    int j = indexOfSubList(tok, tokens, i);
    if (i >= l(tok)) break;
    if (j < 0) j = l(tok);
    l.add(trimJoin(tok.subList(i, j)));
    i = j+l(tokens);
  }
  return l;
}

static List<String> splitAtTokens(List<String> tok, String... tokens) {
  List<String> l = new ArrayList();
  int i = 0;
  while (i < l(tok)) {
    int j = indexOfSubList(tok, tokens, i);
    if (i >= l(tok)) break;
    if (j < 0) j = l(tok);
    l.add(trimJoin(tok.subList(i, j)));
    i = j+l(tokens);
  }
  return l;
}
static List<String> javaTokPlusBrackets2(String s) {
  return tok_combineRoundCurlySquareBrackets_keep(javaTok(s));
}


static Map<String, List<String>> javaTok_cached_cache = synchronizedMRUCache(100);

static List<String> javaTok_cached(String s) {
  List<String> tok = javaTok_cached_cache.get(s);
  if (tok == null) javaTok_cached_cache.put(s, tok = javaTok(s));
  return tok;
}


static List<String> joinBrackets(List<String> tok) {
  List<String> t = new ArrayList();
  Map<Integer, Integer> map = getBracketMap(tok);
  for (int i = 0; i < l(tok); i++) {
    Integer dest = map.get(i);
    if (dest != null) {
      t.add(join(subList(tok, i, dest+1)));
      i = dest;
    } else
      t.add(tok.get(i));
  }
  return t;
}
static <A> List<A> subList(List<A> l, int startIndex) {
  return subList(l, startIndex, l(l));
}

static <A> List<A> subList(int startIndex, int endIndex, List<A> l) {
  return subList(l, startIndex, endIndex);
}

static <A> List<A> subList(List<A> l, int startIndex, int endIndex) {
  if (l == null) return null;
  int n = l(l);
  startIndex = Math.max(0, startIndex);
  endIndex = Math.min(n, endIndex);
  if (startIndex >= endIndex) return ll();
  if (startIndex == 0 && endIndex == n) return l;
  return l.subList(startIndex, endIndex);
}


static <A> List<A> subList(List<A> l, IntRange r) {
  return subList(l, r.start, r.end);
}

static String[] toStringArray(Collection<String> c) {
  String[] a = new String[l(c)];
  Iterator<String> it = c.iterator();
  for (int i = 0; i < l(a); i++)
    a[i] = it.next();
  return a;
}

static String[] toStringArray(Object o) {
  if (o instanceof String[])
    return (String[]) o;
  else if (o instanceof Collection)
    return toStringArray((Collection<String>) o);
  else
    throw fail("Not a collection or array: " + getClassName(o));
}

// TODO: returns empty first, but not empty last
static List<String> splitAt(String s, String splitter) {
  if (empty(splitter)) return null; // avoid endless loop
  List<String> parts = new ArrayList();
  int i = 0;
  if (s != null)
    while (i < l(s)) {
      int j = indexOf(s, splitter, i);
      if (j < 0) j = l(s);
      parts.add(substring(s, i, j));
      i = j+l(splitter);
    }
  return parts;
}
static <A> List<A> dropFirstAndLast(int n, List<A> l) {
  return cloneSubList(l, n, l(l)-n);
}

static <A> List<A> dropFirstAndLast(int m, int n, List<A> l) {
  return cloneSubList(l, m, l(l)-n);
}

static <A> List<A> dropFirstAndLast(List<A> l) {
  return dropFirstAndLast(1, l);
}

static String dropFirstAndLast(String s) {
  return substring(s, 1, l(s)-1);
}
static String struct(Object o) {
  return structure(o);
}

static String struct(Object o, structure_Data data) {
  return structure(o, data);
}
static boolean neqic(String a, String b) {
  return !eqic(a, b);
}

static boolean neqic(char a, char b) {
  return !eqic(a, b);
}
static boolean cic(Collection<String> l, String s) {
  return containsIgnoreCase(l, s);
}



static boolean cic(String[] l, String s) {
  return containsIgnoreCase(l, s);
}

static boolean cic(String s, char c) {
  return containsIgnoreCase(s, c);
}

static boolean cic(String a, String b) {
  return containsIgnoreCase(a, b);
}

static String regexpReplaceIC_direct(String s, String pat, String replacement) {
  Matcher m = regexpIC(pat, s);
  StringBuffer buf = new StringBuffer();
  while (m.find())
    m.appendReplacement(buf, replacement);
  m.appendTail(buf);
  return str(buf);
}
static String regexpQuote(String s) {
  return s.length() == 0 ? "" : Pattern.quote(s);
}
static boolean loadBufferedImage_useImageCache = true;

static BufferedImage loadBufferedImage(String snippetIDOrURLOrFile) { try {
  ping();
  if (snippetIDOrURLOrFile == null) return null;
  if (isURL(snippetIDOrURLOrFile))
    return imageIO_readURL(snippetIDOrURLOrFile);

  if (isAbsolutePath(snippetIDOrURLOrFile)) 
    return loadBufferedImage(new File(snippetIDOrURLOrFile));
  
  if (!isSnippetID(snippetIDOrURLOrFile))
    throw fail("Not a URL or snippet ID or file: " + snippetIDOrURLOrFile);
  String snippetID = "" + parseSnippetID(snippetIDOrURLOrFile);
  
  
  IResourceLoader rl = vm_getResourceLoader();
  if (rl != null)
    return loadBufferedImage(rl.loadLibrary(snippetID));
  
  
  File dir = imageSnippetsCacheDir();
  if (loadBufferedImage_useImageCache) {
    dir.mkdirs();
    File file = new File(dir, snippetID + ".png");
    if (file.exists() && file.length() != 0)
      try {
        return ImageIO.read(file);
      } catch (Throwable e) {
        e.printStackTrace();
        // fall back to loading from sourceforge
      }
  }

  String imageURL = snippetImageURL_http(snippetID);
  print("Loading image: " + imageURL);
  BufferedImage image = imageIO_readURL(imageURL);

  if (loadBufferedImage_useImageCache) {
    File tempFile = new File(dir, snippetID + ".tmp." + System.currentTimeMillis());
    ImageIO.write(image, "png", tempFile);
    tempFile.renameTo(new File(dir, snippetID + ".png"));
    //Log.info("Cached image.");
  }

  //Log.info("Loaded image.");
  return image;
} catch (Exception __e) { throw rethrow(__e); } }

static BufferedImage loadBufferedImage(File file) { try {
  return file.isFile() ? ImageIO.read(file) : null;
} catch (Exception __e) { throw rethrow(__e); } }
static List<String> allToUpper(Collection<String> l) {
  List<String> x = new ArrayList(l(l));
  if (l != null) for (String s : l) x.add(upper(s));
  return x;
}
static CharSequence subCharSequence(CharSequence s, int x) {
  return subCharSequence(s, x, s == null ? 0 : s.length());
}

static CharSequence subCharSequence(CharSequence s, int x, int y) {
  if (s == null) return null;
  if (x < 0) x = 0;
  if (x >= s.length()) return "";
  if (y < x) y = x;
  if (y > s.length()) y = s.length();
  return s.subSequence(x, y);
}
static int min(int a, int b) {
  return Math.min(a, b);
}

static long min(long a, long b) {
  return Math.min(a, b);
}

static float min(float a, float b) { return Math.min(a, b); }
static float min(float a, float b, float c) { return min(min(a, b), c); }

static double min(double a, double b) {
  return Math.min(a, b);
}

static double min(double[] c) {
  double x = Double.MAX_VALUE;
  for (double d : c) x = Math.min(x, d);
  return x;
}

static float min(float[] c) {
  float x = Float.MAX_VALUE;
  for (float d : c) x = Math.min(x, d);
  return x;
}

static byte min(byte[] c) {
  byte x = 127;
  for (byte d : c) if (d < x) x = d;
  return x;
}

static short min(short[] c) {
  short x = 0x7FFF;
  for (short d : c) if (d < x) x = d;
  return x;
}

static int min(int[] c) {
  int x = Integer.MAX_VALUE;
  for (int d : c) if (d < x) x = d;
  return x;
}
static <A> AutoCloseable tempSetThreadLocal(final ThreadLocal<A> tl, A a) {
  if (tl == null) return null;
  final A prev = setThreadLocal(tl, a);
  return new AutoCloseable() { public String toString() { return "tl.set(prev);"; } public void close() throws Exception { tl.set(prev); }};
}
static String regexpFirstGroup(String pat, String s) {
  Matcher m = regexpMatcher(pat, s);
  if (m.find()) return m.group(1); else return null;
}
static BufferedImage imageFromBytes(byte[] b) { try {
  return b == null ? null : ImageIO.read(new ByteArrayInputStream(b));
} catch (Exception __e) { throw rethrow(__e); } }
  static byte[] base64decode(String s) {
    byte[] alphaToInt = base64decode_base64toint;
    int sLen = s.length();
    int numGroups = sLen/4;
    if (4*numGroups != sLen)
      throw new IllegalArgumentException(
        "String length must be a multiple of four.");
    int missingBytesInLastGroup = 0;
    int numFullGroups = numGroups;
    if (sLen != 0) {
      if (s.charAt(sLen-1) == '=') {
        missingBytesInLastGroup++;
        numFullGroups--;
      }
      if (s.charAt(sLen-2) == '=')
        missingBytesInLastGroup++;
    }
    byte[] result = new byte[3*numGroups - missingBytesInLastGroup];

    // Translate all full groups from base64 to byte array elements
    int inCursor = 0, outCursor = 0;
    for (int i=0; i<numFullGroups; i++) {
      int ch0 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      int ch1 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      int ch2 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      int ch3 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      result[outCursor++] = (byte) ((ch0 << 2) | (ch1 >> 4));
      result[outCursor++] = (byte) ((ch1 << 4) | (ch2 >> 2));
      result[outCursor++] = (byte) ((ch2 << 6) | ch3);
    }

    // Translate partial group, if present
    if (missingBytesInLastGroup != 0) {
      int ch0 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      int ch1 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
      result[outCursor++] = (byte) ((ch0 << 2) | (ch1 >> 4));

      if (missingBytesInLastGroup == 1) {
        int ch2 = base64decode_base64toint(s.charAt(inCursor++), alphaToInt);
        result[outCursor++] = (byte) ((ch1 << 4) | (ch2 >> 2));
      }
    }
    // assert inCursor == s.length()-missingBytesInLastGroup;
    // assert outCursor == result.length;
    return result;
  }

  static int base64decode_base64toint(char c, byte[] alphaToInt) {
    int result = alphaToInt[c];
    if (result < 0)
      throw new IllegalArgumentException("Illegal character " + c);
    return result;
  }

  static final byte base64decode_base64toint[] = {
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
    -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
    -1, -1, -1, -1, -1, -1, -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54,
    55, 56, 57, 58, 59, 60, 61, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4,
    5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
    24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, 29, 30, 31, 32, 33, 34,
    35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51
  };


static File googleImageSearch_htmlCacheFile(String q) {
  return javaxCachesDir("Google Image Search/" + uniqueFileNameUsingMD5_80_v2(upper(q)) + ".html");
}
static long fileSize(String path) { return getFileSize(path); }
static long fileSize(File f) { return getFileSize(f); }

/** writes safely (to temp file, then rename) */
static File saveTextFile(String fileName, String contents) throws IOException {
  CriticalAction action = beginCriticalAction("Saving file " + fileName + " (" + l(contents) + " chars)");
  try {
    File file = new File(fileName);
    mkdirsForFile(file);
    String tempFileName = fileName + "_temp";
    File tempFile = new File(tempFileName);
    if (contents != null) {
      if (tempFile.exists()) try {
        String saveName = tempFileName + ".saved." + now();
        copyFile(tempFile, new File(saveName));
      } catch (Throwable e) { printStackTrace(e); }
      FileOutputStream fileOutputStream = newFileOutputStream(tempFile.getPath());
      OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8");
      PrintWriter printWriter = new PrintWriter(outputStreamWriter);
      printWriter.print(contents);
      printWriter.close();
    }
    
    if (file.exists() && !file.delete())
      throw new IOException("Can't delete " + fileName);
  
    if (contents != null)
      if (!tempFile.renameTo(file))
        throw new IOException("Can't rename " + tempFile + " to " + file);
        
    
    vmBus_send("wroteFile", file);
    
    return file;
  } finally {
    action.done();
  }
}

static File saveTextFile(File fileName, String contents) { try {
  saveTextFile(fileName.getPath(), contents);
  return fileName;
} catch (Exception __e) { throw rethrow(__e); } }
static List<CriticalAction> beginCriticalAction_inFlight = synchroList();

static class CriticalAction {
  String description;
  
  CriticalAction() {}
  CriticalAction(String description) {
  this.description = description;}
  
  void done() {
    beginCriticalAction_inFlight.remove(this);
  }
}

static CriticalAction beginCriticalAction(String description) {
  ping();
  CriticalAction c = new CriticalAction(description);
  beginCriticalAction_inFlight.add(c);
  return c;
}

static void cleanMeUp_beginCriticalAction() {
  int n = 0;
  while (nempty(beginCriticalAction_inFlight)) {
    int m = l(beginCriticalAction_inFlight);
    if (m != n) {
      n = m;
      try {
        print("Waiting for " + n2(n, "critical actions") + ": " + join(", ", collect(beginCriticalAction_inFlight, "description")));
      } catch (Throwable __e) { _handleException(__e); }
    }
    sleepInCleanUp(10);
  }
}
public static File mkdirsFor(File file) {
  return mkdirsForFile(file);
}

static String formatSnippetID(String id) {
  return "#" + parseSnippetID(id);
}

static String formatSnippetID(long id) {
  return "#" + id;
}
static String md5OfRGBImage(RGBImage img) { try {
  MessageDigest m = MessageDigest.getInstance("MD5");
  m.update(intToBytes(img.getWidth()));
  int[] pixels = img.getPixels();
  for (int i = 0; i < l(pixels); i++)
    m.update(intToBytes(pixels[i]));
  return bytesToHex(m.digest());
} catch (Exception __e) { throw rethrow(__e); } }
static long imageServerCheckMD5(String md5) {
  assertTrue(isMD5(md5));
  String s = loadPage(imageServerURL() + "checkmd5/" + md5);
  return parseLongOpt(s);
}
static String uploadToImageServer_new(BufferedImage img, String name) {
  return uploadToImageServer_new(null, img, name);
}

static String uploadToImageServer_new(File f, BufferedImage img, String name) {
  byte[] imgData = f == null ? toPNG(img) : loadBinaryFile(f);
  return uploadToImageServer_rawBytes(imgData, name);
}
static String snippetImgLink(String snippetID) {
  return snippetImageURL(snippetID);
}
static <A extends Throwable> A printException(A e) {
  printStackTrace(e);
  return e;
}
static BufferedImage loadImage2(String snippetIDOrURL) {
  return loadBufferedImage(snippetIDOrURL);
}

static BufferedImage loadImage2(File file) {
  return loadBufferedImage(file);
}
static String fileName(File f) {
  return f == null ? null : f.getName();
}
static Object[] paramsPlus(Object[] a1, Object... a2) {
  if (a2 == null) return a1;
  if (a1 == null) return a2;
  if (l(a1) == 1 && a1[0] instanceof Map)
    return new Object[] { mapPlus((Map) a1[0], a2) };
  assertEvenLength(a1);
  assertEvenLength(a2);
  Map map = paramsToOrderedMap(a1);
  int n = l(a2);
  for (int i = 0; i < n; i += 2) {
    Object key = a2[i];
    if (key != null) map.put(key, a2[i+1]);
  }
  return mapToParams(map);
}

static <A> List<A> lookupPossiblyIgnoringCase(MultiMap<String, A> map, String key) {
  return lookupPossiblyIgnoreCase(map, key);
}


static <A> A lookupPossiblyIgnoringCase(Map<String, A> map, String key) {
  return lookupPossiblyIgnoreCase(map, key);
}
static Map<String, List<T3<String, String, String>>> parseGoogleLog() {
  Map<String, List<T3<String, String, String>>> out = new HashMap();
  for (Map map : scanMapLog(googleLog()))
    out.put((String) map.get("query"), (List) map.get("results"));
  return out;
}
static boolean loadPageWithUserAgent_verbose = false;

static String loadPageWithUserAgent(String url, String userAgent) { try {
  URL tURL = new URL(url);
  URLConnection conn = tURL.openConnection();
  conn.setRequestProperty("User-Agent", userAgent);
  loadPage_anonymous = true;
  if (loadPageWithUserAgent_verbose)
    print("Loading as " + userAgent + ": " + hideCredentials(url));
  return loadPage(conn, tURL);
} catch (Exception __e) { throw rethrow(__e); } }
static File javaxCachesDir_dir; // can be set to work on different base dir

static File javaxCachesDir() {
  return javaxCachesDir_dir != null ? javaxCachesDir_dir : new File(userHome(), "JavaX-Caches");
}

static File javaxCachesDir(String sub) {
  return newFile(javaxCachesDir(), sub);
}
static List<String> htmlTok(String s) {
  return htmlcoarsetok(s);
}
// tok must come from htmlTok
// returns all container tags found (including content) as CNC
// honors nested tags correctly
static List<List<String>> findContainerTagDeep(List<String> tok, String tag) {
  List<List<String>> l = new ArrayList();
  for (int i = 1; i < l(tok); i += 2)
    if (isOpeningTag(tok.get(i), tag)) {
      int j, level = 1;
      for (j = i+2; j < tok.size(); j += 2)
        if (isOpeningTag(tok.get(j), tag))
          ++level;
        else if (isTag(tok.get(j), "/" + tag)) {
          --level;
          if (level == 0) {
            l.add(tok.subList(i-1, j+2)); // actual CNC
            break;
          }
        }
    }
  return l;
}

static List<List<String>> findContainerTagDeep(String html, String tag) {
  return findContainerTagDeep(htmlTok(html), tag);
}

// Finds out the index of a sublist in the original list
// Works with nested (grand-parent) sublists.
// Does not work with lists not made with subList() (returns -1)

static <A> int magicIndexOfSubList(List<A> list, List<A> sublist) {
  if (sublist == list) return 0;
  Integer o2 =  (Integer) (get(sublist, "offset"));
  if (o2 == null) return -1;
  Integer o1 =  (Integer) (getOpt(list, "offset"));
  return o2-(o1 != null ? o1 : 0);
}
static boolean tagIs(String token, String tag) {
  return token.regionMatches(true, 0, "<" + tag + " ", 0, tag.length()+2)
    || token.regionMatches(true, 0, "<" + tag + ">", 0, tag.length()+2);
}
static String tagGet(String tag, String param) {
  return mapGet(htmlgetparams(tag), param);
}
static boolean isAbsoluteURL(String s) {
  return contains(s, "://");
}
static String htmldecode(final String input) {
  if (input == null) return null;
  
  final int MIN_ESCAPE = 2;
  final int MAX_ESCAPE = 6;

  StringWriter writer = null;
  int len = input.length();
  int i = 1;
  int st = 0;
  while (true) {
      // look for '&'
      while (i < len && input.charAt(i-1) != '&')
          i++;
      if (i >= len)
          break;

      // found '&', look for ';'
      int j = i;
      while (j < len && j < i + MAX_ESCAPE + 1 && input.charAt(j) != ';')
          j++;
      if (j == len || j < i + MIN_ESCAPE || j == i + MAX_ESCAPE + 1) {
          i++;
          continue;
      }

      // found escape 
      if (input.charAt(i) == '#') {
          // numeric escape
          int k = i + 1;
          int radix = 10;

          final char firstChar = input.charAt(k);
          if (firstChar == 'x' || firstChar == 'X') {
              k++;
              radix = 16;
          }

          try {
              int entityValue = Integer.parseInt(input.substring(k, j), radix);

              if (writer == null) 
                  writer = new StringWriter(input.length());
              writer.append(input.substring(st, i - 1));

              if (entityValue > 0xFFFF) {
                  final char[] chrs = Character.toChars(entityValue);
                  writer.write(chrs[0]);
                  writer.write(chrs[1]);
              } else {
                  writer.write(entityValue);
              }

          } catch (NumberFormatException ex) { 
              i++;
              continue;
          }
      }
      else {
          // named escape
          CharSequence value = htmldecode_lookupMap.get(input.substring(i, j));
          if (value == null) {
              i++;
              continue;
          }

          if (writer == null) 
              writer = new StringWriter(input.length());
          writer.append(input.substring(st, i - 1));

          writer.append(value);
      }

      // skip escape
      st = j + 1;
      i = st;
  }

  if (writer != null) {
      writer.append(input.substring(st, len));
      return writer.toString();
  }
  return input;
}

private static final String[][] htmldecode_ESCAPES = {
    {"\"",     "quot"}, // " - double-quote
    {"&",      "amp"}, // & - ampersand
    {"<",      "lt"}, // < - less-than
    {">",      "gt"}, // > - greater-than

    // Mapping to escape ISO-8859-1 characters to their named HTML 3.x equivalents.
    {"\u00A0", "nbsp"}, // non-breaking space
    {"\u00A1", "iexcl"}, // inverted exclamation mark
    {"\u00A2", "cent"}, // cent sign
    {"\u00A3", "pound"}, // pound sign
    {"\u00A4", "curren"}, // currency sign
    {"\u00A5", "yen"}, // yen sign = yuan sign
    {"\u00A6", "brvbar"}, // broken bar = broken vertical bar
    {"\u00A7", "sect"}, // section sign
    {"\u00A8", "uml"}, // diaeresis = spacing diaeresis
    {"\u00A9", "copy"}, // copyright sign
    {"\u00AA", "ordf"}, // feminine ordinal indicator
    {"\u00AB", "laquo"}, // left-pointing double angle quotation mark = left pointing guillemet
    {"\u00AC", "not"}, // not sign
    {"\u00AD", "shy"}, // soft hyphen = discretionary hyphen
    {"\u00AE", "reg"}, // registered trademark sign
    {"\u00AF", "macr"}, // macron = spacing macron = overline = APL overbar
    {"\u00B0", "deg"}, // degree sign
    {"\u00B1", "plusmn"}, // plus-minus sign = plus-or-minus sign
    {"\u00B2", "sup2"}, // superscript two = superscript digit two = squared
    {"\u00B3", "sup3"}, // superscript three = superscript digit three = cubed
    {"\u00B4", "acute"}, // acute accent = spacing acute
    {"\u00B5", "micro"}, // micro sign
    {"\u00B6", "para"}, // pilcrow sign = paragraph sign
    {"\u00B7", "middot"}, // middle dot = Georgian comma = Greek middle dot
    {"\u00B8", "cedil"}, // cedilla = spacing cedilla
    {"\u00B9", "sup1"}, // superscript one = superscript digit one
    {"\u00BA", "ordm"}, // masculine ordinal indicator
    {"\u00BB", "raquo"}, // right-pointing double angle quotation mark = right pointing guillemet
    {"\u00BC", "frac14"}, // vulgar fraction one quarter = fraction one quarter
    {"\u00BD", "frac12"}, // vulgar fraction one half = fraction one half
    {"\u00BE", "frac34"}, // vulgar fraction three quarters = fraction three quarters
    {"\u00BF", "iquest"}, // inverted question mark = turned question mark
    {"\u00C0", "Agrave"}, // ? - uppercase A, grave accent
    {"\u00C1", "Aacute"}, // ? - uppercase A, acute accent
    {"\u00C2", "Acirc"}, // ? - uppercase A, circumflex accent
    {"\u00C3", "Atilde"}, // ? - uppercase A, tilde
    {"\u00C4", "Auml"}, // ? - uppercase A, umlaut
    {"\u00C5", "Aring"}, // ? - uppercase A, ring
    {"\u00C6", "AElig"}, // ? - uppercase AE
    {"\u00C7", "Ccedil"}, // ? - uppercase C, cedilla
    {"\u00C8", "Egrave"}, // ? - uppercase E, grave accent
    {"\u00C9", "Eacute"}, // ? - uppercase E, acute accent
    {"\u00CA", "Ecirc"}, // ? - uppercase E, circumflex accent
    {"\u00CB", "Euml"}, // ? - uppercase E, umlaut
    {"\u00CC", "Igrave"}, // ? - uppercase I, grave accent
    {"\u00CD", "Iacute"}, // ? - uppercase I, acute accent
    {"\u00CE", "Icirc"}, // ? - uppercase I, circumflex accent
    {"\u00CF", "Iuml"}, // ? - uppercase I, umlaut
    {"\u00D0", "ETH"}, // ? - uppercase Eth, Icelandic
    {"\u00D1", "Ntilde"}, // ? - uppercase N, tilde
    {"\u00D2", "Ograve"}, // ? - uppercase O, grave accent
    {"\u00D3", "Oacute"}, // ? - uppercase O, acute accent
    {"\u00D4", "Ocirc"}, // ? - uppercase O, circumflex accent
    {"\u00D5", "Otilde"}, // ? - uppercase O, tilde
    {"\u00D6", "Ouml"}, // ? - uppercase O, umlaut
    {"\u00D7", "times"}, // multiplication sign
    {"\u00D8", "Oslash"}, // ? - uppercase O, slash
    {"\u00D9", "Ugrave"}, // ? - uppercase U, grave accent
    {"\u00DA", "Uacute"}, // ? - uppercase U, acute accent
    {"\u00DB", "Ucirc"}, // ? - uppercase U, circumflex accent
    {"\u00DC", "Uuml"}, // ? - uppercase U, umlaut
    {"\u00DD", "Yacute"}, // ? - uppercase Y, acute accent
    {"\u00DE", "THORN"}, // ? - uppercase THORN, Icelandic
    {"\u00DF", "szlig"}, // ? - lowercase sharps, German
    {"\u00E0", "agrave"}, // ? - lowercase a, grave accent
    {"\u00E1", "aacute"}, // ? - lowercase a, acute accent
    {"\u00E2", "acirc"}, // ? - lowercase a, circumflex accent
    {"\u00E3", "atilde"}, // ? - lowercase a, tilde
    {"\u00E4", "auml"}, // ? - lowercase a, umlaut
    {"\u00E5", "aring"}, // ? - lowercase a, ring
    {"\u00E6", "aelig"}, // ? - lowercase ae
    {"\u00E7", "ccedil"}, // ? - lowercase c, cedilla
    {"\u00E8", "egrave"}, // ? - lowercase e, grave accent
    {"\u00E9", "eacute"}, // ? - lowercase e, acute accent
    {"\u00EA", "ecirc"}, // ? - lowercase e, circumflex accent
    {"\u00EB", "euml"}, // ? - lowercase e, umlaut
    {"\u00EC", "igrave"}, // ? - lowercase i, grave accent
    {"\u00ED", "iacute"}, // ? - lowercase i, acute accent
    {"\u00EE", "icirc"}, // ? - lowercase i, circumflex accent
    {"\u00EF", "iuml"}, // ? - lowercase i, umlaut
    {"\u00F0", "eth"}, // ? - lowercase eth, Icelandic
    {"\u00F1", "ntilde"}, // ? - lowercase n, tilde
    {"\u00F2", "ograve"}, // ? - lowercase o, grave accent
    {"\u00F3", "oacute"}, // ? - lowercase o, acute accent
    {"\u00F4", "ocirc"}, // ? - lowercase o, circumflex accent
    {"\u00F5", "otilde"}, // ? - lowercase o, tilde
    {"\u00F6", "ouml"}, // ? - lowercase o, umlaut
    {"\u00F7", "divide"}, // division sign
    {"\u00F8", "oslash"}, // ? - lowercase o, slash
    {"\u00F9", "ugrave"}, // ? - lowercase u, grave accent
    {"\u00FA", "uacute"}, // ? - lowercase u, acute accent
    {"\u00FB", "ucirc"}, // ? - lowercase u, circumflex accent
    {"\u00FC", "uuml"}, // ? - lowercase u, umlaut
    {"\u00FD", "yacute"}, // ? - lowercase y, acute accent
    {"\u00FE", "thorn"}, // ? - lowercase thorn, Icelandic
    {"\u00FF", "yuml"}, // ? - lowercase y, umlaut
    {"\u2013", "ndash"},
    {"\u2018", "lsquo"},
    {"\u2019", "rsquo"},
    {"\u201D", "rdquo"},
    {"\u201C", "ldquo"},
    {"\u2014", "mdash"},
    
    {"'", "apos"}, // the controversial (but who cares!) &apos;
      // stackoverflow.com/questions/2083754/why-shouldnt-apos-be-used-to-escape-single-quotes
  };

private static final HashMap<String, CharSequence> htmldecode_lookupMap;
static {
    htmldecode_lookupMap = new HashMap<String, CharSequence>();
    for (final CharSequence[] seq : htmldecode_ESCAPES) 
        htmldecode_lookupMap.put(seq[1].toString(), seq[0]);
}
static String dropTags(String html) {
  return dropAllTags(html);
}

static List<String> dropTags(List<String> tok) {
  return dropAllTags(tok);
}
// drop opening and closing tag, return new CNC
static List<String> contentsOfContainerTag(List<String> tok) {
  return tok == null ? null : subList(tok, 2, l(tok)-2);
}

static List<String> contentsOfContainerTag(List<String> tok, String tagName) {
  return contentsOfContainerTag(first(findContainerTag(tok, tagName)));
}
// tok must come from htmlTok
// returns all container tags found (including content) as CNC
// honors nested tags correctly
static List<List<String>> findContainerTagWithParams(List<String> tok, String tag, Object... params) {
  List<List<String>> l = new ArrayList();
  for (List<String> t : findContainerTag(tok, tag))
    if (htmlCheckParams(second(t), params))
      l.add(t);
  return l;
}

static List<List<String>> findContainerTagWithParams(String html, String tag, Object... params) {
  return findContainerTagWithParams(htmlTok(html), tag, params);
}
static <A extends Iterable> A pnl(String prefix, A l) {
  printNumberedLines(prefix, l);
  return l;
}

static <A extends Iterable> A pnl(A l) {
  printNumberedLines(l);
  return l;
}

static <A extends Map> A pnl(A map) {
  printNumberedLines(map);
  return map;
}

static <A extends Map> A pnl(String prefix, A map) {
  printNumberedLines(prefix, map);
  return map;
}

static <A> A[] pnl(A[] a) {
  printNumberedLines(a);
  return a;
}

static String pnl(String s) {
  printNumberedLines(lines(s));
  return s;
}


static <A, B, C> T3<A, B, C> triple(A a, B b, C c) {
  return new T3(a, b, c);
}
static void logStructure(File logFile, Object o) {
  logQuoted(logFile, structure(o));
}

// quick version - log to file in program directory
static void logStructure(String fileName, Object o) {
  logStructure(getProgramFile(fileName), o);
}

static void logStructure(String progID, String fileName, Object o) {
  logStructure(getProgramFile(progID, fileName), o);
}
static File googleLog() {
  return javaxDataDir("google-log.txt");
}
static LinkedHashMap litorderedmap(Object... x) {
  LinkedHashMap map = new LinkedHashMap();
  litmap_impl(map, x);
  return map;
}


static String localDateWithSeconds(long time) {
  SimpleDateFormat format = simpleDateFormat_local("yyyy/MM/dd HH:mm:ss");
  return format.format(time);
}

static String localDateWithSeconds() {
  return localDateWithSeconds(now());
}
static <A> List<A> newSubListOrSame(List<A> l, int startIndex) {
  return newSubListOrSame(l, startIndex, l(l));
}

static <A> List<A> newSubListOrSame(List<A> l, int startIndex, int endIndex) {
  if (l == null) return null;
  int n = l(l);
  startIndex = max(0, startIndex);
  endIndex = min(n, endIndex);
  if (startIndex >= endIndex) return ll();
  if (startIndex == 0 && endIndex == n) return l;
  return cloneList(l.subList(startIndex, endIndex));
}


static <A> List<A> newSubListOrSame(List<A> l, IntRange r) {
  return newSubListOrSame(l, r.start, r.end);
}

static int[] takeFirstOfIntArray(int[] b, int n) {
  return subIntArray(b, 0, n);
}

static int[] takeFirstOfIntArray(int n, int[] b) {
  return takeFirstOfIntArray(b, n);
}
static Throwable getInnerException(Throwable e) {
  if (e == null) return null;
  while (e.getCause() != null)
    e = e.getCause();
  return e;
}

static Throwable getInnerException(Runnable r) {
  return getInnerException(getException(r));
}
static <A> A assertEquals(Object x, A y) {
  return assertEquals(null, x, y);
}

static <A> A assertEquals(String msg, Object x, A y) {
  if (assertVerbose()) return assertEqualsVerbose(msg, x, y);
  if (!(x == null ? y == null : x.equals(y)))
    throw fail((msg != null ? msg + ": " : "") + y + " != " + x);
  return y;
}
static List<String> javaTokC(String s) {
  if (s == null) return null;
  int l = s.length();
  ArrayList<String> tok = new ArrayList();
  
  int i = 0;
  while (i < l) {
    int j = i;
    char c, d;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      d = j+1 >= l ? '\0' : s.charAt(j+1);
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (c == '/' && d == '*') {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (c == '/' && d == '/') {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    d = i+1 >= l ? '\0' : s.charAt(i+1);

    // scan for non-whitespace
    if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
          ++j;
          break;
        } else if (s.charAt(j) == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't"
    else if (Character.isDigit(c)) {
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
    } else if (c == '[' && d == '[') {
      do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
      j = Math.min(j+2, l);
    } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
      do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
      j = Math.min(j+3, l);
    } else
      ++j;
      
    tok.add(javaTok_substringC(s, i, j));
    i = j;
  }
  
  return tok;
}
static <A> A popLast(List<A> l) {
  return liftLast(l);
}

static <A> List<A> popLast(int n, List<A> l) {
  return liftLast(n, l);
}
// This is a bit rough... finds static and non-static methods.

static Method findMethodNamed(Object obj, String method) {
  if (obj == null) return null;
  if (obj instanceof Class)
    return findMethodNamed((Class) obj, method);
  return findMethodNamed(obj.getClass(), method);
}

static Method findMethodNamed(Class c, String method) {
  while (c != null) {
    for (Method m : c.getDeclaredMethods())
      if (m.getName().equals(method)) {
        makeAccessible(m);
        return m;
      }
    c = c.getSuperclass();
  }
  return null;
}
static void quoteToPrintWriter(String s, PrintWriter out) {
  if (s == null) { out.print("null"); return; }
  out.print('"');
  int l = s.length();
  for (int i = 0; i < l; i++) {
    char c = s.charAt(i);
    if (c == '\\' || c == '"') {
      out.print('\\'); out.print(c);
    } else if (c == '\r')
      out.print("\\r");
    else if (c == '\n')
      out.print("\\n");
    else if (c == '\0')
      out.print("\\0");
    else
      out.print(c);
  }
  out.print('"');
}
static String quoteCharacter(char c) {
  if (c == '\'') return "'\\''";
  if (c == '\\') return "'\\\\'";
  if (c == '\r') return "'\\r'";
  if (c == '\n') return "'\\n'";
  if (c == '\t') return "'\\t'";
  return "'" + c + "'";
}

static boolean isCISet_gen(Iterable<String> l) {
  return l instanceof TreeSet && className(((TreeSet) l).comparator()).contains("CIComp");
}
static <A> List<A> unwrapSynchronizedList(List<A> l) {
  if (eqOneOf(className(l),
    "java.util.Collections$SynchronizedList",
    "java.util.Collections$SynchronizedRandomAccessList"))
    return (List) get_raw(l, "list");
  return l;
}
static boolean isCIMap_gen(Map map) {
  return map instanceof TreeMap && className(((TreeMap) map).comparator()).contains("CIComp");
}
static <A, B> Map<A, B> unwrapSynchronizedMap(Map<A, B> map) {
  if (eqOneOf(className(map),
    "java.util.Collections$SynchronizedMap",
    "java.util.Collections$SynchronizedSortedMap",
    "java.util.Collections$SynchronizedNavigableMap"))
    return (Map) get_raw(map, "m");
  return map;
}
  public static String bytesToHex(byte[] bytes) {
    return bytesToHex(bytes, 0, bytes.length);
  }

  public static String bytesToHex(byte[] bytes, int ofs, int len) {
    StringBuilder stringBuilder = new StringBuilder(len*2);
    for (int i = 0; i < len; i++) {
      String s = "0" + Integer.toHexString(bytes[ofs+i]);
      stringBuilder.append(s.substring(s.length()-2, s.length()));
    }
    return stringBuilder.toString();
  }

static String boolArrayToHex(boolean[] a) {
  return bytesToHex(boolArrayToBytes(a));
}
static String shortDynamicClassName(Object o) {
 if (o instanceof DynamicObject && ((DynamicObject) o).className != null)
    return ((DynamicObject) o).className;
  return shortClassName(o);
}
static int stdcompare(Number a, Number b) {
  return cmp(a, b);
}

static int stdcompare(String a, String b) {
  return cmp(a, b);
}

static int stdcompare(long a, long b) {
  return a < b ? -1 : a > b ? 1 : 0;
}

static int stdcompare(Object a, Object b) {
  return cmp(a, b);
}

static Map<Class, Field[]> getDeclaredFields_cache = newDangerousWeakHashMap();

static Field[] getDeclaredFields_cached(Class c) {
  Field[] fields;
  synchronized(getDeclaredFields_cache) {
    fields = getDeclaredFields_cache.get(c);
    if (fields == null) {
      getDeclaredFields_cache.put(c, fields = c.getDeclaredFields());
      for (Field f : fields)
        makeAccessible(f);
    }
  }
  return fields;
}
static boolean startsWithDigit(String s) {
  return nempty(s) && isDigit(s.charAt(0));
}
static <A, B> Map<A, B> putAll(Map<A, B> a, Map<? extends A,? extends B> b) {
  if (a != null && b != null) a.putAll(b);
  return a;
}
static int countDots(String s) {
  int n = l(s), count = 0;
  for (int i = 0; i < n; i++) if (s.charAt(i) == '.') ++count;
  return count;
}


static String formatWithThousandsSeparator(long l) {
  return NumberFormat.getInstance(new Locale("en_US")).format(l);
}
static <A> A listGet(List<A> l, int idx) {
  return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}
// effort doubles for each extra token
static int magicQuotes_maxTokens = 10;

static Set<String> magicQuotes(String input) {
  LinkedHashSet<String> out = new LinkedHashSet();
  List<String> tok = javaTok(input);
  if (l(tok) <= magicQuotes_maxTokens)
    magicQuotes_impl(new ArrayList(), asLinkedList(tok), false, out);
  return out;
}

// Q: do remainingTokens start with an N or C token?
static void magicQuotes_impl(List<String> tokens, List<String> remainingTokens, boolean inQuote, Set<String> out) {
  ping();
  if (l(remainingTokens) < 2)
    out.add(inQuote ? join(tokens) + "\"" + join(remainingTokens) : join(tokens) + join(remainingTokens));
  else {
    // case 1: don't insert a quote
    
    tokens.addAll(popFirst(2, remainingTokens));
    magicQuotes_impl(tokens, remainingTokens, inQuote, out);
    remainingTokens.addAll(0, popLast(2, tokens));
    
    // case 2: insert quote
    
    List<String> t = cloneTakeFirst(2, remainingTokens);
    if (inQuote)
      addAll(tokens, "\"" + first(t), second(t));
    else
      addAll(tokens, first(t), "\"" + second(t));
    removeFirst(2, remainingTokens);
    magicQuotes_impl(tokens, remainingTokens, !inQuote, out);
    removeLast(2, tokens);
    remainingTokens.addAll(0, t);
  }
}
static List<FunctionNameAndPattern> matchingPatternsInJavaXSource_withFunctions(String src) {
  List<String> patterns = mL("JavaX patterns matching patterns");
  final List<String> tok = javaTok(loadSnippetOrKeep(src));
  LinkedHashSet<FunctionNameAndPattern> out = new LinkedHashSet();
  for (String pat : patterns)
    for (String found : jextractAll(pat, tok))
      out.add(new FunctionNameAndPattern(firstToken(found), firstQuotedToken(found)));
  return asList(out);
}
static String getServerTranspiledWithoutLibs(String snippetID) {
  return dropFirstLine(getServerTranspiled2(snippetID));
}
static String programID() {
  return getProgramID();
}

static String programID(Object o) {
  return getProgramID(o);
}
static <A> List<A> filter(Iterable<A> c, Object pred) {
  if (pred instanceof F1) return filter(c, (F1<A, Boolean>) pred);

  
  List x = new ArrayList();
  if (c != null) for (Object o : c)
    if (isTrue(callF(pred, o)))
      x.add(o);
  return x;
}

static List filter(Object pred, Iterable c) {
  return filter(c, pred);
}

static <A, B extends A> List<B> filter(Iterable<B> c, F1<A, Boolean> pred) {
  List x = new ArrayList();
  if (c != null) for (B o : c)
    if (pred.get(o))
      x.add(o);
  return x;
}

static <A, B extends A> List<B> filter(F1<A, Boolean> pred, Iterable<B> c) {
  return filter(c, pred);
}

//ifclass IF1
static <A, B extends A> List<B> filter(Iterable<B> c, IF1<A, Boolean> pred) {
  List x = new ArrayList();
  if (c != null) for (B o : c)
    if (pred.get(o))
      x.add(o);
  return x;
}

static <A, B extends A> List<B> filter(B[] c, IF1<A, Boolean> pred) {
  List x = new ArrayList();
  if (c != null) for (B o : c)
    if (pred.get(o))
      x.add(o);
  return x;
}

static <A, B extends A> List<B> filter(IF1<A, Boolean> pred, Iterable<B> c) {
  return filter(c, pred);
}
//endif
static boolean matchedByAnyFunctionNameAndPattern(Collection<FunctionNameAndPattern> patterns, String input) {
  for (FunctionNameAndPattern f : unnull(patterns))
    if (matchUsingFunctionNameAndPattern(f, input))
      return true;
  return false;
}
// works on lists and strings and null

static int indexOfIgnoreCase(List<String> a, String b) {
  return indexOfIgnoreCase(a, b, 0);
}

static int indexOfIgnoreCase(List<String> a, String b, int i) {
  int n = a == null ? 0 : a.size();
  for (; i < n; i++)
    if (eqic(a.get(i), b)) return i;
  return -1;
}

static int indexOfIgnoreCase(String a, String b) {
  return indexOfIgnoreCase_manual(a, b);
  /*Matcher m = Pattern.compile(b, Pattern.CASE_INSENSITIVE + Pattern.LITERAL).matcher(a);
  if (m.find()) return m.start(); else ret -1;*/
}

static int indexOfIgnoreCase(String a, String b, int i) {
  return indexOfIgnoreCase_manual(a, b, i);
}
static String getProgramName_cache;

static String getProgramName() {
  Lock __0 = downloadLock(); lock(__0); try {
  if (getProgramName_cache == null)
    getProgramName_cache = getSnippetTitleOpt(programID());
  return getProgramName_cache;
} finally { unlock(__0); } }

static void _onLoad_getProgramName() {
  { startThread(new Runnable() {  public void run() { try {  getProgramName(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "getProgramName();"; }}); }
}
static List<String> parse3(String s) {
  return dropPunctuation(javaTokPlusPeriod(s));
}
static int[] emptyIntArray_a = new int[0];
static int[] emptyIntArray() { return emptyIntArray_a; }
static char[] emptyCharArray = new char[0];
static char[] emptyCharArray() { return emptyCharArray; }
static Map emptyMap() {
  return new HashMap();
}
static Object[] emptyObjectArray_a = new Object[0];
static Object[] emptyObjectArray() { return emptyObjectArray_a; }
static <A> List<A> concatLists(Iterable<A>... lists) {
  List<A> l = new ArrayList();
  if (lists != null) for (Iterable<A> list : lists)
    addAll(l, list);
  return l;
}

static <A> List<A> concatLists(Collection<? extends Iterable<A>> lists) {
  List<A> l = new ArrayList();
  if (lists != null) for (Iterable<A> list : lists)
    addAll(l, list);
  return l;
}

static String rep(int n, char c) {
  return repeat(c, n);
}

static String rep(char c, int n) {
  return repeat(c, n);
}

static <A> List<A> rep(A a, int n) {
  return repeat(a, n);
}

static <A> List<A> rep(int n, A a) {
  return repeat(n, a);
}

static String join_flex(List<String> glues, Iterable<String> strings) {
  if (strings == null) return "";
  StringBuilder buf = new StringBuilder();
  Iterator<String> i = strings.iterator();
  Iterator<String> iGlues = glues.iterator();
  if (i.hasNext()) {
    buf.append(i.next());
    while (i.hasNext())
      buf.append(iGlues.next()).append(i.next());
  }
  return buf.toString();
}
static String javaTok_substringN(String s, int i, int j) {
  if (i == j) return "";
  if (j == i+1 && s.charAt(i) == ' ') return " ";
  return s.substring(i, j);
}
static String javaTok_substringC(String s, int i, int j) {
  return s.substring(i, j);
}
static List<String> javaTokWithExisting(String s, List<String> existing) {
  ++javaTok_n;
  int nExisting = javaTok_opt && existing != null ? existing.size() : 0;
  ArrayList<String> tok = existing != null ? new ArrayList(nExisting) : new ArrayList();
  int l = s.length();
  
  int i = 0, n = 0;
  while (i < l) {
    int j = i;
    char c, d;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      d = j+1 >= l ? '\0' : s.charAt(j+1);
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (c == '/' && d == '*') {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (c == '/' && d == '/') {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
      tok.add(existing.get(n));
    else
      tok.add(javaTok_substringN(s, i, j));
    ++n;
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    d = i+1 >= l ? '\0' : s.charAt(i+1);

    // scan for non-whitespace
    
    // Special JavaX syntax: 'identifier
    if (c == '\'' && Character.isJavaIdentifierStart(d) && i+2 < l && "'\\".indexOf(s.charAt(i+2)) < 0) {
      j += 2;
      while (j < l && Character.isJavaIdentifierPart(s.charAt(j)))
        ++j;
    } else if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        if (s.charAt(j) == opener /*|| s.charAt(j) == '\n'*/) { // allow multi-line strings
          ++j;
          break;
        } else if (s.charAt(j) == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't"
    else if (Character.isDigit(c)) {
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
    } else if (c == '[' && d == '[') {
      do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
      j = Math.min(j+2, l);
    } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
      do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
      j = Math.min(j+3, l);
    } else
      ++j;
      
    if (n < nExisting && javaTokWithExisting_isCopyable(existing.get(n), s, i, j))
      tok.add(existing.get(n));
    else
      tok.add(javaTok_substringC(s, i, j));
    ++n;
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  javaTok_elements += tok.size();
  return tok;
}

static boolean javaTokWithExisting_isCopyable(String t, String s, int i, int j) {
  return t.length() == j-i
    && s.regionMatches(i, t, 0, j-i); // << could be left out, but that's brave
}


static String hideCredentials(URL url) { return url == null ? null : hideCredentials(str(url)); }

static String hideCredentials(String url) {
  try {
    if (startsWithOneOf(url, "http://", "https://") && isAGIBlueDomain(hostNameFromURL(url))) return url;
  } catch (Throwable e) {
    print("HideCredentials", e);
  }
  return url.replaceAll("([&?])(_pass|key|cookie)=[^&\\s\"]*", "$1$2=<hidden>");
}

static String hideCredentials(Object o) {
  return hideCredentials(str(o));
}
static Throwable unwrapTrivialExceptionWraps(Throwable e) {
  if (e == null) return e;
  while (e.getClass() == RuntimeException.class
    && e.getCause() != null && eq(e.getMessage(), str(e.getCause())))
    e = e.getCause();
  return e;
}
static String replacePrefix(String prefix, String replacement, String s) {
  if (!startsWith(s, prefix)) return s;
  return replacement + substring(s, l(prefix));
}
static Throwable innerException2(Throwable e) {
  if (e == null) return null;
  while (empty(e.getMessage()) && e.getCause() != null)
    e = e.getCause();
  return e;
}
static List<Pair> _registerDangerousWeakMap_preList;

static <A> A _registerDangerousWeakMap(A map) {
  return _registerDangerousWeakMap(map, null);
}

static <A> A _registerDangerousWeakMap(A map, Object init) {
  
  callF(init, map);
  
  if (init instanceof String) {
    final String f =  (String) init;
    init = new VF1<Map>() { public void get(Map map) { try {  callMC(f, map) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "callMC(f, map)"; }};
  }
    
  if (javax() == null) {
    // We're in class init
    if (_registerDangerousWeakMap_preList == null) _registerDangerousWeakMap_preList = synchroList();
    _registerDangerousWeakMap_preList.add(pair(map, init));
    return map;
  }
  
  call(javax(), "_registerDangerousWeakMap", map, init);
  
  return map;
}

static void _onLoad_registerDangerousWeakMap() {
  
  assertNotNull(javax());
  if (_registerDangerousWeakMap_preList == null) return;
  for (Pair p : _registerDangerousWeakMap_preList)
    _registerDangerousWeakMap(p.a, p.b);
  _registerDangerousWeakMap_preList = null;
  
}
static Throwable getExceptionCause(Throwable e) {
  Throwable c = e.getCause();
  return c != null ? c : e;
}
static String joinWithSpace(Iterable c) {
  return join(" ", c);
}

static String joinWithSpace(String... c) {
  return join(" ", c);
}

static boolean isInstanceX(Class type, Object arg) {
  if (type == boolean.class) return arg instanceof Boolean;
  if (type == int.class) return arg instanceof Integer;
  if (type == long.class) return arg instanceof Long;
  if (type == float.class) return arg instanceof Float;
  if (type == short.class) return arg instanceof Short;
  if (type == char.class) return arg instanceof Character;
  if (type == byte.class) return arg instanceof Byte;
  if (type == double.class) return arg instanceof Double;
  return type.isInstance(arg);
}
static void vmBus_send(String msg, Object... args) {
  Object arg = vmBus_wrapArgs(args);
  pcallFAll(vm_busListeners_live(), msg, arg);
  pcallFAll(vm_busListenersByMessage_live().get(msg), msg, arg);
}

static void vmBus_send(String msg) {
  vmBus_send(msg, (Object) null);
}
static Random defaultRandomGenerator() {
  return ThreadLocalRandom.current();
}
static Class __javax;

static Class getJavaX() { try {
  
  return __javax;
} catch (Exception __e) { throw rethrow(__e); } }
static CloseableIterableIterator emptyCloseableIterableIterator_instance = new CloseableIterableIterator() {
  public Object next() { throw fail(); }
  public boolean hasNext() { return false; }
};

static <A> CloseableIterableIterator<A> emptyCloseableIterableIterator() {
  return emptyCloseableIterableIterator_instance; 
}
static boolean ewic(String a, String b) {
  return endsWithIgnoreCase(a, b);
}


static boolean ewic(String a, String b, Matches m) {
  return endsWithIgnoreCase(a, b, m);
}

static CloseableIterableIterator<String> linesFromReader(Reader r) {
  final BufferedReader br = bufferedReader(r);
  return iteratorFromFunction_f0_autoCloseable(new F0<String>() { public String get() { try {  return readLineFromReaderWithClose(br);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret readLineFromReaderWithClose(br);"; }}, _wrapIOCloseable(r));
}
static BufferedReader utf8bufferedReader(InputStream in) { try {
  return bufferedReader(_registerIOWrap(new InputStreamReader(in, "UTF-8"), in));
} catch (Exception __e) { throw rethrow(__e); } }

static BufferedReader utf8bufferedReader(File f) { try {
  return utf8bufferedReader(newFileInputStream(f));
} catch (Exception __e) { throw rethrow(__e); } }
static GZIPInputStream newGZIPInputStream(File f) {
  return gzInputStream(f);
}

static GZIPInputStream newGZIPInputStream(InputStream in) {
  return gzInputStream(in);
}
static List _registerWeakMap_preList;

static <A> A _registerWeakMap(A map) {
  if (javax() == null) {
    // We're in class init
    if (_registerWeakMap_preList == null) _registerWeakMap_preList = synchroList();
    _registerWeakMap_preList.add(map);
    return map;
  }
  
  try {
    call(javax(), "_registerWeakMap", map);
  } catch (Throwable e) {
    printException(e);
    print("Upgrade JavaX!!");
  }
  return map;
}

static void _onLoad_registerWeakMap() {
  assertNotNull(javax());
  if (_registerWeakMap_preList == null) return;
  for (Object o : _registerWeakMap_preList)
    _registerWeakMap(o);
  _registerWeakMap_preList = null;
}
static int isAndroid_flag;

static boolean isAndroid() {
  if (isAndroid_flag == 0)
    isAndroid_flag = System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0 ? 1 : -1;
  return isAndroid_flag > 0;
}

static Boolean isHeadless_cache;

static boolean isHeadless() {
  if (isHeadless_cache != null) return isHeadless_cache;
  if (isAndroid()) return isHeadless_cache = true;
  if (GraphicsEnvironment.isHeadless()) return isHeadless_cache = true;
  
  // Also check if AWT actually works.
  // If DISPLAY variable is set but no X server up, this will notice.
  
  try {
    SwingUtilities.isEventDispatchThread();
    return isHeadless_cache = false;
  } catch (Throwable e) { return isHeadless_cache = true; }
}
static void assertTrue(Object o) {
  if (!(eq(o, true) /*|| isTrue(pcallF(o))*/))
    throw fail(str(o));
}
  
static boolean assertTrue(String msg, boolean b) {
  if (!b)
    throw fail(msg);
  return b;
}

static boolean assertTrue(boolean b) {
  if (!b)
    throw fail("oops");
  return b;
}
static volatile boolean licensed_yes = true;

static boolean licensed() {
  if (!licensed_yes) return false;
  ping_okInCleanUp();
  return true;
}

static void licensed_off() {
  licensed_yes = false;
}
// PersistableThrowable doesn't hold GC-disturbing class references in backtrace
static volatile PersistableThrowable lastException_lastException;

static PersistableThrowable lastException() {
  return lastException_lastException;
}

static void lastException(Throwable e) {
  lastException_lastException = persistableThrowable(e);
}
// f : Matcher -> S
static String regexReplaceIC(String s, String pat, Object f) {
  return regexReplace(regexpMatcherIC(pat, s), f);
}
static String _userHome;
static String userHome() {
  if (_userHome == null)
    return actualUserHome();
  return _userHome;
}

static File userHome(String path) {
  return new File(userDir(), path);
}
static String formatSnippetIDOpt(String s) {
  return isSnippetID(s) ? formatSnippetID(s) : s;
}
static Class getMainClass() {
  return mc();
}

static Class getMainClass(Object o) { try {
  if (o == null) return null;
  if (o instanceof Class && eq(((Class) o).getName(), "x30")) return (Class) o;
  return (o instanceof Class ? (Class) o : o.getClass()).getClassLoader().loadClass("main");
} catch (Exception __e) { throw rethrow(__e); } }
static <A, B> Map<A, B> syncMRUCache(int size) {
  return synchroMap(new MRUCache(size));
}
static RuntimeException wrapPatternSyntaxException(PatternSyntaxException e) {
  if (e == null) return null;
  String pat = e.getPattern();
  int i = e.getIndex();
  return new RuntimeException("Regular expression error between " + multiLineQuoteWithSpaces(substring(pat, 0, i)) + " and " + multiLineQuoteWithSpaces(substring(pat, i)) + " - " + e.getMessage());
}
static Map<String, java.util.regex.Pattern> compileRegexp_cache = syncMRUCache(10);

static java.util.regex.Pattern compileRegexp(String pat) {
  java.util.regex.Pattern p = compileRegexp_cache.get(pat);
  if (p == null) {
    
    compileRegexp_cache.put(pat, p = java.util.regex.Pattern.compile(pat));
  }
  return p;
}
static void clear(Collection c) {
  if (c != null) c.clear();
}

static void clear(Map map) {
  if (map != null) map.clear();
}
static <A, B> void put(Map<A, B> map, A a, B b) {
  if (map != null) map.put(a, b);
}

static <A> void put(List<A> l, int i, A a) {
  if (l != null && i >= 0 && i < l(l)) l.set(i, a);
}
static <A, B> B mapGet2(Map<A, B> map, A a) {
  return map == null ? null : map.get(a);
}

static <A, B> B mapGet2(A a, Map<A, B> map) {
  return map == null ? null : map.get(a);
}
static boolean isSubtypeOf(Class a, Class b) {
  return b.isAssignableFrom(a); // << always hated that method, let's replace it!
}
static Set<String> reflection_classesNotToScan_value = litset(
  "jdk.internal.loader.URLClassPath"
);

static Set<String> reflection_classesNotToScan() {
  return reflection_classesNotToScan_value;
}
static boolean equalsIgnoreCase(String a, String b) {
  return eqic(a, b);
}

static boolean equalsIgnoreCase(char a, char b) {
  return eqic(a, b);
}
static boolean eqicOrEq(Object a, Object b) {
  return a instanceof String && b instanceof String ? eqic((String) a, (String) b) : eq(a, b);
}
static void _registerIO(Object object, String path, boolean opened) {
}
static File getProgramDir() {
  return programDir();
}

static File getProgramDir(String snippetID) {
  return programDir(snippetID);
}
static <A> A[] arrayOfSameType(A[] a, int n) {
  return newObjectArrayOfSameType(a, n);
}
static <A> List<A> takeLast(List<A> l, int n) {
  return newSubList(l, l(l)-n);
}

static <A> List<A> takeLast(int n, List<A> l) {
  return takeLast(l, n);
}

static String takeLast(int n, String s) {
  return substring(s, l(s)-n);
}

static String takeLast(String s, int n) {
  return substring(s, l(s)-n);
}

static String className(Object o) {
  return getClassName(o);
}
static boolean eqOneOf(Object o, Object... l) {
  for (Object x : l) if (eq(o, x)) return true; return false;
}
static Map synchroHashMap() {
  return Collections.synchronizedMap(new HashMap());
}



static Map<String, List<String>> javaTokNPunctuationWithBrackets_cache = synchronizedMRUCache(1000);

static List<String> javaTokNPunctuationWithBrackets(String s) {
  List<String> tok = javaTokNPunctuationWithBrackets_cache.get(s);
  if (tok == null) javaTokNPunctuationWithBrackets_cache.put(s, tok = javaTokNPunctuationWithBrackets_uncached(s));
  return tok;
}

static List<String> javaTokNPunctuationWithBrackets_uncached(String s) {
  return tok_combineRoundOrCurlyBrackets_keep(javaTokNPunctuation_bracketsInC(s));
}


static boolean isLetter(char c) {
  return Character.isLetter(c);
}
static <A> A last(List<A> l) {
  return empty(l) ? null : l.get(l.size()-1);
}

static char last(String s) {
  return empty(s) ? '#' : s.charAt(l(s)-1);
}

static int last(int[] a) {
  return l(a) != 0 ? a[l(a)-1] : 0;
}

static double last(double[] a) {
  return l(a) != 0 ? a[l(a)-1] : 0;
}

static <A> A last(A[] a) {
  return l(a) != 0 ? a[l(a)-1] : null;
}

static <A> A last(Iterator<A> it) {
  A a = null;
  while  (it.hasNext()) { ping(); a = it.next(); }
  return a;
}

static <A> A last(Collection<A> l) {
  if (l == null) return null;
  if (l instanceof List) return (A) last(((List) l));
  if (l instanceof SortedSet) return (A) last(((SortedSet) l));
  Iterator<A> it = iterator(l);
  A a = null;
  while  (it.hasNext()) { ping(); a = it.next(); }
  return a;
}

static <A> A last(SortedSet<A> l) {
  return l == null ? null : l.last();
}


static String beautifyStructure(String s) {
  List<String> tok = javaTokForStructure(s);
  structure_addTokenMarkers(tok);
  jreplace(tok, "lhm", "");
  return join(tok);
}
static String struct_noStringSharing(Object o) {
  structure_Data d = new structure_Data();
  d.noStringSharing = true;
  return structure(o, d);
}
static boolean isJavaIdentifier(String s) {
  if (empty(s) || !Character.isJavaIdentifierStart(s.charAt(0)))
    return false;
  for (int i = 1; i < s.length(); i++)
    if (!Character.isJavaIdentifierPart(s.charAt(i)))
      return false;
  return true;
}
static Object vmBus_query(String msg, Object... args) {
  Object arg = vmBus_wrapArgs(args);
  { Object __1= pcallFAll_returnFirstNotNull(vm_busListeners_live(), msg, arg); if (__1 != null) return __1; }
  return pcallFAll_returnFirstNotNull(vm_busListenersByMessage_live().get(msg), msg, arg);
}

static Object vmBus_query(String msg) {
  return vmBus_query(msg, (Object) null);
}
static String assertIdentifier(String s) {
  return assertIsIdentifier(s);
}

static String assertIdentifier(String msg, String s) {
  return assertIsIdentifier(msg, s);
}
static Object dm_os() {
  { Object __1= vm_generalMap_get("stefansOS"); if (__1 != null) return __1; }
  return creator();
}
static boolean methodIsStatic(Method m) {
  return (m.getModifiers() & Modifier.STATIC) != 0;
}
static boolean argumentCompatibleWithType(Object arg, Class type) {
  return arg == null ? !type.isPrimitive() : isInstanceX(type, arg);
}
static <A> A[] arrayOfType(Class<A> type, int n) {
  return makeArray(type, n);
}

static <A> A[] arrayOfType(int n, Class<A> type) {
  return arrayOfType(type, n);
}
static List<String> getClassNames(Collection l) {
  List<String> out = new ArrayList();
  if (l != null) for (Object o : l)
    out.add(o == null ? null : getClassName(o));
  return out;
}
static Object dm_getStemByID(Object id) {
  return dm_callOS("getModuleByID", str(id));
}
static <A> A assertNotNull(A a) {
  assertTrue(a != null);
  return a;
}

static <A> A assertNotNull(String msg, A a) {
  assertTrue(msg, a != null);
  return a;
}
// named like this for historic reasons
static InheritableThreadLocal<WeakReference> dm_currentModule_value = new InheritableThreadLocal();

static Object dm_current_generic() {
  return getWeakRef(dm_currentModule_value.get());
}

// prevent memory leak
static void cleanMeUp_dm_current_generic() {
  dm_currentModule_value = new InheritableThreadLocal();
}
static <A> int indexOfSubList(List<A> x, List<A> y) {
  return indexOfSubList(x, y, 0);
}

static <A> int indexOfSubList(List<A> x, List<A> y, int i) {
  outer: for (; i+l(y) <= l(x); i++) {
    for (int j = 0; j < l(y); j++)
      if (neq(x.get(i+j), y.get(j)))
        continue outer;
    return i;
  }
  return -1;
}

static <A> int indexOfSubList(List<A> x, A[] y, int i) {
  outer: for (; i+l(y) <= l(x); i++) {
    for (int j = 0; j < l(y); j++)
      if (neq(x.get(i+j), y[j]))
        continue outer;
    return i;
  }
  return -1;
}
static String trimJoin(List<String> s) {
  return trim(join(s));
}
static List<String> tok_combineRoundCurlySquareBrackets_keep(List<String> tok) {
  List<String> l = new ArrayList();
  for (int i = 0; i < l(tok); i++) {
    String t = tok.get(i);
    if (odd(i) && eqOneOf(t, "{", "(", "[")) {
      int j = findEndOfBracketPart2(tok, i);
      l.add(joinSubList(tok, i, j));
      i = j-1;
    } else
      l.add(t);
  }
  return l;
}
// map: index of opening bracket -> index of closing bracket
static Map<Integer, Integer> getBracketMap(List tok) {
  return getBracketMap(tok, getBracketMap_opening, getBracketMap_closing);
}

static Map<Integer, Integer> getBracketMap(List tok, Collection<String> opening, Collection<String> closing) {
  return getBracketMap(tok, opening, closing, 0, l(tok));
}

static Map<Integer, Integer> getBracketMap(List tok, Collection<String> opening, Collection<String> closing, int from, int to) {
  TreeMap<Integer, Integer> map = new TreeMap();
  List<Integer> stack = new ArrayList();
  for (int i = from|1; i < to; i+= 2) {
    if (opening.contains(tok.get(i)))
      stack.add(i);
    else if (closing.contains(tok.get(i))) {
      if (!empty(stack))
        map.put(liftLast(stack), i);
    }
  }
  return map;
}

static Set<String> getBracketMap_opening = lithashset("{", "(");
static Set<String> getBracketMap_closing = lithashset("}", ")");
static <A> List<A> cloneSubList(List<A> l, int startIndex, int endIndex) {
  return newSubList(l, startIndex, endIndex);
}

static <A> List<A> cloneSubList(List<A> l, int startIndex) {
  return newSubList(l, startIndex);
}
static boolean isURL(String s) {
  return startsWithOneOf(s, "http://", "https://", "file:");
}
static BufferedImage imageIO_readURL(String url) { try {
  return ImageIO.read(new URL(url));
} catch (Exception __e) { throw rethrow(__e); } }

static boolean isAbsolutePath(String s) {
  return s != null && new File(s).isAbsolute();
}

static boolean isAbsolutePath(File f) {
  return f != null && f.isAbsolute();
}
  public static boolean isSnippetID(String s) {
    try {
      parseSnippetID(s);
      return true;
    } catch (RuntimeException e) {
      return false;
    }
  }
public static long parseSnippetID(String snippetID) {
  long id = Long.parseLong(shortenSnippetID(snippetID));
  if (id == 0) throw fail("0 is not a snippet ID");
  return id;
}
static IResourceLoader vm_getResourceLoader() {
  return proxy(IResourceLoader.class, vm_generalMap_get("_officialResourceLoader"));
}
static File imageSnippetsCacheDir() {
  return javaxCachesDir("Image-Snippets");
}
static String snippetImageURL_http(String snippetID) {
  return snippetImageURL_http(snippetID, "png");
}

static String snippetImageURL_http(String snippetID, String contentType) {
  return replacePrefix("https://", "http://", snippetImageURL(snippetID, contentType)).replace(":8443", ":8080");
}
static String upper(String s) {
  return s == null ? null : s.toUpperCase();
}

static char upper(char c) {
  return Character.toUpperCase(c);
}
static <A> A setThreadLocal(ThreadLocal<A> tl, A value) {
  if (tl == null) return null;
  A old = tl.get();
  tl.set(value);
  return old;
}
static String uniqueFileNameUsingMD5_80_v2(String fullName) {
  return uniqueFileNameUsingMD5_80_v2(fullName, md5(fullName));
}

static String uniqueFileNameUsingMD5_80_v2(String fullName, String md5) {
  return takeFirst(80-33, fileNameEncode(fullName)) + " - " + md5;
}
static long now_virtualTime;
static long now() {
  return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}

static File copyFile(File src, File dest) { try {
  FileInputStream inputStream = new FileInputStream(src.getPath());
  FileOutputStream outputStream = newFileOutputStream(dest.getPath());
  try {
    copyStream(inputStream, outputStream);
    inputStream.close();
  } finally {
    outputStream.close();
  }
  return dest;
} catch (Exception __e) { throw rethrow(__e); } }
static List collect(Iterable c, String field) {
  return collectField(c, field);
}

static List collect(String field, Iterable c) {
  return collectField(c, field);
}

/*ifclass Concept
static L collect(Class c, S field) {
  ret collect(list(c), field);
}
endif
TODO: make translator ignore stuff in ifclass until resolved
*/
static void sleepInCleanUp(long ms) { try {
  if (ms < 0) return;
  Thread.sleep(ms);
} catch (Exception __e) { throw rethrow(__e); } }
static byte[] intToBytes(int i) {
  return new byte[] {
          (byte) (i >>> 24),
          (byte) (i >>> 16),
          (byte) (i >>> 8),
          (byte) i};
}
static boolean isMD5(String s) {
  return l(s) == 32 && isLowerHexString(s);
}
static int loadPage_defaultTimeout = 60000;
static ThreadLocal<String> loadPage_charset = new ThreadLocal();
static boolean loadPage_allowGzip = true, loadPage_debug;
static boolean loadPage_anonymous = false; // don't send computer ID
static int loadPage_verboseness = 100000;
static int loadPage_retries = 1; //60; // seconds
static ThreadLocal<Boolean> loadPage_silent = new ThreadLocal();
static volatile int loadPage_forcedTimeout; // ms
static ThreadLocal<Integer> loadPage_forcedTimeout_byThread = new ThreadLocal(); // ms
static ThreadLocal<Map<String, List<String>>> loadPage_responseHeaders = new ThreadLocal();
static ThreadLocal<Map<String, String>> loadPage_extraHeaders = new ThreadLocal();
static ThreadLocal<Long> loadPage_sizeLimit = new ThreadLocal();

public static String loadPageSilently(String url) { try {
  return loadPageSilently(new URL(loadPage_preprocess(url)));
} catch (Exception __e) { throw rethrow(__e); } }

public static String loadPageSilently(URL url) { try {
  if (!networkAllowanceTest(str(url))) throw fail("Not allowed: " + url);
    
  IOException e = null;
  for (int tries = 0; tries < loadPage_retries; tries++)
    try {
      URLConnection con = loadPage_openConnection(url);
      return loadPage(con, url);
    } catch (IOException _e) {
      e = _e;
      if (loadPageThroughProxy_enabled) {
        print("Trying proxy because of: " + e);
        try {
          return loadPageThroughProxy(str(url));
        } catch (Throwable e2) {
          print("  " + exceptionToStringShort(e2));
        }
      } else if (loadPage_debug)
        print(exceptionToStringShort(e));
      if (tries < loadPage_retries-1) sleepSeconds(1);
    }
  throw e;
} catch (Exception __e) { throw rethrow(__e); } }

static String loadPage_preprocess(String url) {  
  if (url.startsWith("tb/")) // don't think we use this anymore
    url = tb_mainServer() + "/" + url;
  if (url.indexOf("://") < 0)
    url = "http://" + url;
  return url;
}

static String loadPage(String url) { try {
  url = loadPage_preprocess(url);
  if (!isTrue(loadPage_silent.get()))
    printWithTime("Loading: " + hideCredentials(url));
  return loadPageSilently(new URL(url));
} catch (Exception __e) { throw rethrow(__e); } }

static String loadPage(URL url) {
  return loadPage(url.toExternalForm());
}

static String loadPage(URLConnection con, URL url) throws IOException {
  return loadPage(con, url, true);
}

static String loadPage(URLConnection con, URL url, boolean addHeaders) throws IOException {
  Map<String, String> extraHeaders = getAndClearThreadLocal(loadPage_extraHeaders);
  Long limit = optPar(loadPage_sizeLimit);
  if (addHeaders) try {
    if (!loadPage_anonymous)
      setHeaders(con);
    if (loadPage_allowGzip)
      con.setRequestProperty("Accept-Encoding", "gzip");
    con.setRequestProperty("X-No-Cookies", "1");
    for (String key : keys(extraHeaders))
      con.setRequestProperty(key, extraHeaders.get(key));
  } catch (Throwable e) {} // fails if within doPost
  
  
  vm_generalSubMap("URLConnection per thread").put(currentThread(), con);
  
  loadPage_responseHeaders.set(con.getHeaderFields());
  InputStream in = null;
  try {
    in = urlConnection_getInputStream(con);
  //vm_generalSubMap("InputStream per thread").put(currentThread(), in);
  if (loadPage_debug)
    print("Put stream in map: " + currentThread());
    String contentType = con.getContentType();
    if (contentType == null) {
      //printStruct("Headers: ", con.getHeaderFields());
      throw new IOException("Page could not be read: " + hideCredentials(url));
    }
    //print("Content-Type: " + contentType);
    String charset = loadPage_charset == null ? null : loadPage_charset.get();
    if (charset == null) charset = loadPage_guessCharset(contentType);
    
    if ("gzip".equals(con.getContentEncoding())) {
      if (loadPage_debug)
        print("loadPage: Using gzip.");
      in = newGZIPInputStream(in);
    }
    Reader r;
    try {
      r = new InputStreamReader(in, unquote(charset));
    } catch (UnsupportedEncodingException e) {
      print(toHex(utf8(charset)));
      throw e;
    }
    
    boolean silent = isTrue(loadPage_silent.get());
    StringBuilder buf = new StringBuilder();
    int n = 0;
    while (limit == null || n < limit) {
      ping();
      int ch = r.read();
      if (ch < 0)
        break;
      buf.append((char) ch);
      ++n;
      if (!silent && (n % loadPage_verboseness) == 0)
        print("  " + n + " chars read");
    }
    return buf.toString();
  } finally {
    if (loadPage_debug)
      print("loadPage done");
    //vm_generalSubMap("InputStream per thread").remove(currentThread());
    
    vm_generalSubMap("URLConnection per thread").remove(currentThread());
    
    if (in != null) in.close();
  }
}

static String loadPage_guessCharset(String contentType) {
  Matcher m = regexpMatcher("text/[a-z]+;\\s*charset=([^\\s]+)\\s*", contentType);
  String match = m.matches() ? m.group(1) : null;
  if (loadPage_debug)
    print("loadPage: contentType=" + contentType + ", match: " + match);
  /* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */
  //return or(match, "ISO-8859-1");
  return or(match, "UTF-8");
}

static URLConnection loadPage_openConnection(URL url) {
  URLConnection con = openConnection(url);
  int timeout = toInt(loadPage_forcedTimeout_byThread.get());
  if (timeout == 0) timeout = loadPage_forcedTimeout;
  if (timeout != 0)
    setURLConnectionTimeouts(con, loadPage_forcedTimeout);
  else
    setURLConnectionDefaultTimeouts(con, loadPage_defaultTimeout);
  return con;
}
static String imageServerURL() {
  return or2(trim(loadTextFile(javaxDataDir("image-server-url.txt"))), "http://botcompany.de/images/raw/");
}
static byte[] toPNG(BufferedImage img) {
  return convertToPNG(img);
}
public static byte[] loadBinaryFile(String fileName) {
 try {
  if (!new File(fileName).exists())
    return null;

  FileInputStream in = new FileInputStream(fileName);

  byte buf[] = new byte[1024];
  ByteArrayOutputStream out = new ByteArrayOutputStream();
  int l;
  while (true) {
    l = in.read(buf);
    if (l <= 0) break;
    out.write(buf, 0, l);
  }
  in.close();
  return out.toByteArray();
 } catch (IOException e) { throw new RuntimeException(e); }
}

public static byte[] loadBinaryFile(File file) {
  return loadBinaryFile(file.getPath());
}

static String uploadToImageServer_rawBytes(byte[] imgData, String name) {
  String page = postPage(imageServerURL() + "upload/" + randomID() /* anti-anti-spam */, "data", bytesToHex(imgData), "name", name);
  print(page);
  Matcher m = Pattern.compile("/images/([0-9]+)").matcher(page);
  if (!m.find()) return null;
  return snippetImgLink(m.group(1));
}
static String snippetImageURL(long snippetID) {
  return snippetImageURL(fsI(snippetID));
}

static String snippetImageURL(String snippetID) {
  return snippetImageURL(snippetID, "png");
}

static String snippetImageURL(String snippetID, String contentType) {
  if (snippetID == null || isURL(snippetID)) return snippetID;
  long id = parseSnippetID(snippetID);
  String url;
  if (isImageServerSnippet(id))
    url = imageServerLink(id);
  else
    //url = "http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_" + id + "&contentType=image/" + contentType;
    url = "https://botcompany.de/img/" + id;
  return url;
}
static <A, B> Map<A, B> mapPlus(Map<A, B> m, Object... data) {
  m = cloneMap(m);
  litmap_impl(m, data);
  return m;
}
static Object[] assertEvenLength(Object[] a) {
  assertTrue(even(l(a)));
  return a;
}
static LinkedHashMap paramsToOrderedMap(Object... params) {
  return asLinkedHashMap(paramsToMap(params));
}
static Object[] mapToParams(Map map) {
  return mapToObjectArray(map);
}

static <A> List<A> lookupPossiblyIgnoreCase(MultiMap<String, A> map, String key) {
  if (map == null) return null;
  List<A> value = map.get(key);
  return !value.isEmpty() ? value : lookupIgnoreCase(map, key);
}


static <A> A lookupPossiblyIgnoreCase(Map<String, A> map, String key) {
  if (map == null) return null;
  A value = map.get(key);
  return value != null ? value : lookupIgnoreCase(map, key);
}
static List<Map> scanMapLog(String progID, String fileName) {
  return scanMapLog(getProgramFile(progID, fileName));
}

static List<Map> scanMapLog(String fileName) {
  return scanMapLog(getProgramFile(fileName));
}

static List<Map> scanMapLog(File file) {
  List<Map> l = new ArrayList();
  for (String s : scanLog(file)) { try {
    l.add(unstructureMap(s));
  } catch (Throwable __e) { _handleException(__e); }}
  return l;
}
// TODO: process CDATA, scripts

static List<String> htmlcoarsetok(String s) {
  List<String> tok = new ArrayList<String>();
  int l = s == null ? 0 : s.length();
  
  int i = 0;
  while (i < l) {
    int j = i;
    char c;
    
    // scan for non-tags
    while (j < l) {
      if (s.charAt(j) != '<')
        // regular character
        ++j;
      else if (s.substring(j, Math.min(j+4, l)).equals("<!--")) {
        // HTML comment
        j = j+4;
        do ++j; while (j < l && !s.substring(j, Math.min(j+3, l)).equals("-->"));
        j = Math.min(j+3, l);
      } else
        // it's a tag
        break;
    }
    tok.add(s.substring(i, j));
    i = j;
    if (i >= l) break;
    c = s.charAt(i);

    // scan for tags
    if (c == '<') {
      ++j;
      
      while (j < l && s.charAt(j) != '>') ++j; // TODO: strings?
      if (j < l) ++j;
    }

    tok.add(s.substring(i, j));
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  return tok;
}
static boolean isOpeningTag(String token, String tag) {
  return isTag(token, tag) && !token.endsWith("/>");
}

static boolean isOpeningTag(String token) {
  return token.startsWith("<")
    && token.endsWith(">")
    && !token.endsWith("/>")
    && isLetter(token.charAt(1));
}    

static boolean isTag(String token, String tag) {
  return token.regionMatches(true, 0, "<" + tag + " ", 0, tag.length()+2)
    || token.regionMatches(true, 0, "<" + tag + ">", 0, tag.length()+2);
}
static Map<String, String> htmlgetparams(String tag) {
  return getHtmlTagParameters(tag);
}
// tok should be the output of htmlcoarsetok
static List<String> dropAllTags(List<String> tok) {
  List<String> list = new ArrayList();
  for (int i = 0; i < l(tok); i++) {
    String t = tok.get(i);
    if (odd(i) && t.startsWith("<")) {
      list.set(list.size()-1, list.get(list.size()-1) + tok.get(i+1));
      ++i;
    } else
      list.add(t);
  }
  return list;
}

// alternatively, call this convenient function
static String dropAllTags(String html) {
  return join(dropAllTags(htmlcoarsetok(html)));
}
// tok must come from htmlTok
// returns all container tags found (including content) as CNC
// should be OK for both HTML and XML
static List<List<String>> findContainerTag(List<String> tok, String tag) {
  List<List<String>> l = new ArrayList();
  for (int i = 1; i < l(tok); i += 2)
    if (isOpeningTag(tok.get(i), tag)) {
      int j, level = 1;
      for (j = i+2; j < tok.size(); j += 2)
        if (isOpeningTag(tok.get(j), tag))
          ++level;
        else if (isTag(tok.get(j), "/" + tag)) {
          --level;
          if (level == 0) {
            l.add(tok.subList(i-1, j+2)); // actual CNC
            break;
          }
        }
      i = j;
    }
  return l;
}

static List<List<String>> findContainerTag(String html, String tag) {
  return findContainerTag(htmlTok(html), tag);
}

static boolean htmlCheckParams(String tag, Object... params) {
  return checkFields(htmlgetparams(tag), params);
}
/*static <A> L<A> printNumberedLines(L<A> l) {
  printNumberedLines((Collection<A>) l);
  ret l;
}

static <A> L<A> printNumberedLines(S prefix, L<A> l) {
  printNumberedLines(prefix, (Collection<A>) l);
  ret l;
}*/

static void printNumberedLines(Map map) {
  printNumberedLines(mapToLines(map));
}

static void printNumberedLines(String prefix, Map map) {
  printNumberedLines(prefix, mapToLines(map));
}

static <A extends Iterable> A printNumberedLines(A l) {
  int i = 0;
  if (l != null) for (Object a : l) print((++i) + ". " + str(a));
  return l;
}

static <A extends Iterable> A printNumberedLines(String prefix, A l) {
  int i = 0;
  if (l != null) for (Object a : l) print(prefix + (++i) + ". " + str(a));
  return l;
}

static void printNumberedLines(Object[] l) {
  printNumberedLines(asList(l));
}

static void printNumberedLines(Object o) {
  printNumberedLines(lines(str(o)));
}
static void logQuoted(String logFile, String line) {
  logQuoted(getProgramFile(logFile), line);
}

static void logQuoted(File logFile, String line) {
  appendToFile(logFile, quote(line) + "\n");
}
static File javaxDataDir_dir; // can be set to work on different base dir

static File javaxDataDir() {
  return javaxDataDir_dir != null ? javaxDataDir_dir : new File(userHome(), "JavaX-Data");
}

static File javaxDataDir(String... subs) {
  return newFile(javaxDataDir(), subs);
}
static HashMap litmap(Object... x) {
  HashMap map = new HashMap();
  litmap_impl(map, x);
  return map;
}

static void litmap_impl(Map map, Object... x) {
  if (x != null) for (int i = 0; i < x.length-1; i += 2)
    if (x[i+1] != null)
      map.put(x[i], x[i+1]);
}


static SimpleDateFormat simpleDateFormat_local(String format) {
  SimpleDateFormat sdf = new SimpleDateFormat(format);
  sdf.setTimeZone(localTimeZone());
  return sdf;
}
static int[] subIntArray(int[] b, int start) {
  return subIntArray(b, start, l(b));
}
  
static int[] subIntArray(int[] b, int start, int end) {
  start = max(start, 0); end = min(end, l(b));
  if (start == 0 && end == l(b)) return b;
  if (start >= end) return new int[0];
  int[] x = new int[end-start];
  System.arraycopy(b, start, x, 0, end-start);
  return x;
}

static int[] subIntArray(int[] a, IntRange r) {
  return r == null ? null : subIntArray(a, r.start, r.end);
}
static Throwable getException(Runnable r) {
  try {
    callF(r);
    return null;
  } catch (Throwable e) {
    return e;
  }
}
static ThreadLocal<Boolean> assertVerbose_value = new ThreadLocal();

static void assertVerbose(boolean b) {
  assertVerbose_value.set(b);
}

static boolean assertVerbose() { return isTrue(assertVerbose_value.get()); }
static <A> A assertEqualsVerbose(Object x, A y) {
  assertEqualsVerbose((String) null, x, y);
  return y;
}

// x = expected, y = actual
static <A> A assertEqualsVerbose(String msg, Object x, A y) {
  if (!eq(x, y)) {
    

    throw fail((msg != null ? msg + ": " : "") + "expected: "+ x + ", got: " + y);
  } else
    print("OK" + (empty(msg) ? "" : " " + msg) + ": " + /*sfu*/(x));
  return y;
}


static <A> A liftLast(List<A> l) {
  if (empty(l)) return null;
  int i = l(l)-1;
  A a = l.get(i);
  l.remove(i);
  return a;
}

static <A> List<A> liftLast(int n, List<A> l) {
  int i = l(l)-n;
  List<A> part = cloneSubList(l, i);
  removeSubList(l, i);
  return part;
}
static byte[] boolArrayToBytes(boolean[] a) {
  byte[] b = new byte[(l(a)+7)/8];
  for (int i = 0; i < l(a); i++)
    if (a[i])
      b[i/8] |= 1 << (i & 7);
  return b;
}
static String shortClassName(Object o) {
  if (o == null) return null;
  Class c = o instanceof Class ? (Class) o : o.getClass();
  String name = c.getName();
  return shortenClassName(name);
}
static int cmp(Number a, Number b) {
  return a == null ? b == null ? 0 : -1 : cmp(a.doubleValue(), b.doubleValue());
}

static int cmp(double a, double b) {
  return a < b ? -1 : a == b ? 0 : 1;
}

static int cmp(int a, int b) {
  return a < b ? -1 : a == b ? 0 : 1;
}

static int cmp(long a, long b) {
  return a < b ? -1 : a == b ? 0 : 1;
}

static int cmp(Object a, Object b) {
  if (a == null) return b == null ? 0 : -1;
  if (b == null) return 1;
  return ((Comparable) a).compareTo(b);
}
static boolean isDigit(char c) {
  return Character.isDigit(c);
}
static <A> LinkedList<A> asLinkedList(Iterable<A> s) {
  if (s instanceof LinkedList) return ((LinkedList) s);
  LinkedList l = new LinkedList();
  if (s != null)
    for (A a : s)
      l.add(a);
  return l;
}
static <A> A popFirst(List<A> l) {
  if (empty(l)) return null;
  A a = first(l);
  l.remove(0);
  return a;
}

static <A> A popFirst(Collection<A> l) {
  if (empty(l)) return null;
  A a = first(l);
  l.remove(a);
  return a;
}

static <A> List<A> popFirst(int n, List<A> l) {
  List<A> part = cloneSubList(l, 0, n);
  removeSubList(l, 0, n);
  return part;
}
static <A> List<A> cloneTakeFirst(List<A> l, int n) {
  return l(l) <= n ? l : cloneSubList(l, 0, n);
}

static <A> List<A> cloneTakeFirst(int n, List<A> l) {
  return cloneTakeFirst(l, n);
}
static <A, B extends A> void addAll(Collection<A> c, Iterable<B> b) {
  if (c != null && b != null) for (A a : b) c.add(a);
}

static <A, B extends A> boolean addAll(Collection<A> c, Collection<B> b) {
  return c != null && b != null && c.addAll(b);
}

static <A, B extends A> boolean addAll(Collection<A> c, B... b) {
  return c != null && c.addAll(Arrays.asList(b));
}



static <A, B> Map<A, B> addAll(Map<A, B> a, Map<? extends A,? extends B> b) {
  if (a != null) a.putAll(b);
  return a;
}
static void removeFirst(List l) {
  if (nempty(l))
    l.remove(0);
}

static void removeFirst(int n, List l) {
  removeSubList(l, 0, n);
}
static void removeLast(List l) {
  if (!l.isEmpty())
    l.remove(l(l)-1);
}

static void removeLast(List l, int n) {
  removeSubList(l, l(l)-n);
}

static void removeLast(int n, List l) {
  removeLast(l, n);
}
static List<String> mL(String name) {
  return mechList_opt(name);
}
static String loadSnippetOrKeep(String snippetIDOrText) {
  return isSnippetID(snippetIDOrText) ? loadSnippet(snippetIDOrText) : snippetIDOrText;
}
static List<String> jextractAll(String pat, String s) {
  return jextractAll(pat, javaTok(s));
}

static List<String> jextractAll(String pat, List<String> tok) {
  List<String> tokpat = javaTok(pat);
  jfind_preprocess(tokpat);
  return map(jfindAll(tok, tokpat), i -> joinSubList(tok, i, i+l(tokpat)-2));
}

static String firstToken(String s) {
  return firstJavaToken(s);
}

static String firstToken(List<String> tok) {
  return get(tok, 1);
}
static String firstQuotedToken(String s) {
  for (String t : javaTok(s))
    if (isQuoted(t))
      return unquote(t);
  return null;
}
static String dropFirstLine(String text) {
  if (text == null) return null;
  int i = text.indexOf('\n');
  return i >= 0 ? text.substring(i+1) : "";
}


static boolean getServerTranspiled2_allowLocalFallback = true, getServerTranspiled2_localFallbackVerbose = true;

// to avoid checking server for transpilations too often when booting OS
static Map<String, String> getServerTranspiled2_tempCache;

static String getServerTranspiled2(String id) {
  
  IResourceLoader rl = vm_getResourceLoader();
  if (rl != null)
    return rl.getTranspiled(id);
  
  
  id = fsIOpt(id);
  
  String transpiled = mapGet(getServerTranspiled2_tempCache, id);
  if (transpiled != null) return transpiled;
  //if (getServerTranspiled2_tempCache != null) print("CACHE FAIL on " + id);
  
  transpiled = loadCachedTranspilation(id);
  String md5 = null;
  if (machineIsOffline() || isOfflineMode() || isLocalSnippet(id)) return transpiled;
  if (transpiled != null)
    md5 = md5(transpiled);
  String transpiledSrc;
  try {
    transpiledSrc = getServerTranspiled(formatSnippetID(id), md5);
  } catch (Throwable e) {
    if (!getServerTranspiled2_allowLocalFallback) rethrow(e);
    printExceptionShort(e);
    if (getServerTranspiled2_localFallbackVerbose) print("Fallback to local code");
    return transpiled;
  }
  if (eq(transpiledSrc, "SAME")) {
    if (!isTrue(loadPage_silent.get())) print("SAME");
    return mapPut_returnValue(getServerTranspiled2_tempCache, id, transpiled);
  }
  return mapPut_returnValue(getServerTranspiled2_tempCache, id, transpiledSrc);
}


static boolean matchUsingFunctionNameAndPattern(FunctionNameAndPattern fp, String s, Matches m) {
  if (fp == null) return false;
  String f = fp.function, pat = fp.pattern;
  if (eqOneOf(f, "if", "match", "match3")) return match(pat, s, m);
  if (eq(f, "matchX")) return matchX(pat, s, m);
  if (eq(f, "matchX2")) return matchX2(pat, s, m);
  if (eq(f, "matchX_vbar")) return matchX_vbar(pat, s, m);
  warn("Unknown function: " + fp);
  return false;
}

static boolean matchUsingFunctionNameAndPattern(FunctionNameAndPattern fp, String s) {
  return matchUsingFunctionNameAndPattern(fp, s, null);
}
static int indexOfIgnoreCase_manual(String a, String b) {
  return indexOfIgnoreCase_manual(a, b, 0);
}

static int indexOfIgnoreCase_manual(String a, String b, int i) {
  int la = strL(a), lb = strL(b);
  if (la < lb) return -1;
  int n = la-lb;
  
  loop: for (; i <= n; i++) {
    for (int j = 0; j < lb; j++) {
      char c1 = a.charAt(i+j), c2 = b.charAt(j);
      if (!eqic(c1, c2))
        continue loop;
    }
    return i;
  }
  return -1;
}
static Lock downloadLock_lock = fairLock();

static Lock downloadLock() {
  return downloadLock_lock;
}
static String getSnippetTitleOpt(String s) {
  return isSnippetID(s) ? getSnippetTitle(s) : s;
}
static Thread startThread(Object runnable) {
  return startThread(defaultThreadName(), runnable);
}

static Thread startThread(String name, Object runnable) {
  runnable = wrapAsActivity(runnable);
  return startThread(newThread(toRunnable(runnable), name));
}

static Thread startThread(Thread t) {
  
  _registerThread(t);
  
  t.start();
  return t;
}
static List<String> dropPunctuation_keep = ll("*", "<", ">");

static List<String> dropPunctuation(List<String> tok) {
  tok = new ArrayList<String>(tok);
  for (int i = 1; i < tok.size(); i += 2) {
    String t = tok.get(i);
    if (t.length() == 1 && !Character.isLetter(t.charAt(0)) && !Character.isDigit(t.charAt(0)) && !dropPunctuation_keep.contains(t)) {
      tok.set(i-1, tok.get(i-1) + tok.get(i+1));
      tok.remove(i);
      tok.remove(i);
      i -= 2;
    }
  }
  return tok;
}

static String dropPunctuation(String s) {
  return join(dropPunctuation(nlTok(s)));
}
static String repeat(char c, int n) {
  n = Math.max(n, 0);
  char[] chars = new char[n];
  for (int i = 0; i < n; i++)
    chars[i] = c;
  return new String(chars);
}

static <A> List<A> repeat(A a, int n) {
  n = Math.max(n, 0);
  List<A> l = new ArrayList(n);
  for (int i = 0; i < n; i++)
    l.add(a);
  return l;
}

static <A> List<A> repeat(int n, A a) {
  return repeat(a, n);
}


static boolean startsWithOneOf(String s, String... l) {
  for (String x : l) if (startsWith(s, x)) return true; return false;
}

static boolean startsWithOneOf(String s, Matches m, String... l) {
  for (String x : l) if (startsWith(s, x, m)) return true; return false;
}
static boolean isAGIBlueDomain(String domain) {
  return domainIsUnder(domain, theAGIBlueDomain());
}
static String hostNameFromURL(String url) { try {
  return new URL(url).getHost();
} catch (Exception __e) { throw rethrow(__e); } }
static HashMap<String, List<Method>> callMC_cache = new HashMap();
static String callMC_key;
static Method callMC_value;

// varargs assignment fixer for a single string array argument
static Object callMC(String method, String[] arg) {
  return callMC(method, new Object[] {arg});
}

static Object callMC(String method, Object... args) { try {
  Method me;
  if (callMC_cache == null) callMC_cache = new HashMap(); // initializer time workaround
  synchronized(callMC_cache) {
    me = method == callMC_key ? callMC_value : null;
  }
  if (me != null) try {
    return invokeMethod(me, null, args);
  } catch (IllegalArgumentException e) {
    throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e);
  }

  List<Method> m;
  synchronized(callMC_cache) {
    m = callMC_cache.get(method);
  }
  if (m == null) {
    if (callMC_cache.isEmpty()) {
      callMC_makeCache();
      m = callMC_cache.get(method);
    }
    if (m == null) throw fail("Method named " + method + " not found in main");
  }
  int n = m.size();
  if (n == 1) {
    me = m.get(0);
    synchronized(callMC_cache) {
      callMC_key = method;
      callMC_value = me;
    }
    try {
      return invokeMethod(me, null, args);
    } catch (IllegalArgumentException e) {
      throw new RuntimeException("Can't call " + me + " with arguments " + classNames(args), e);
    }
  }
  for (int i = 0; i < n; i++) {
    me = m.get(i);
    if (call_checkArgs(me, args, false))
      return invokeMethod(me, null, args);
  }
  throw fail("No method called " + method + " with arguments (" + joinWithComma(getClasses(args)) + ") found in main");
} catch (Exception __e) { throw rethrow(__e); } }

static void callMC_makeCache() {
  synchronized(callMC_cache) {
    callMC_cache.clear();
    Class _c = (Class) mc(), c = _c;
    while (c != null) {
      for (Method m : c.getDeclaredMethods())
        if ((m.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) {
          makeAccessible(m);
          multiMapPut(callMC_cache, m.getName(), m);
        }
      c = c.getSuperclass();
    }
  }
}
static <A, B> Pair<A, B> pair(A a, B b) {
  return new Pair(a, b);
}

static <A> Pair<A, A> pair(A a) {
  return new Pair(a, a);
}
static Object vmBus_wrapArgs(Object... args) {
  return empty(args) ? null
    : l(args) == 1 ? args[0]
    : args;
}
static void pcallFAll(Collection l, Object... args) {
  if (l != null) for (Object f : cloneList(l)) pcallF(f, args);
}

static void pcallFAll(Iterator it, Object... args) {
  while (it.hasNext()) pcallF(it.next(), args);
}
static Set vm_busListeners_live_cache;
static Set vm_busListeners_live() { if (vm_busListeners_live_cache == null) vm_busListeners_live_cache = vm_busListeners_live_load(); return vm_busListeners_live_cache; }

static Set vm_busListeners_live_load() {
  return vm_generalIdentityHashSet("busListeners");
}
static Map<String, Set> vm_busListenersByMessage_live_cache;
static Map<String, Set> vm_busListenersByMessage_live() { if (vm_busListenersByMessage_live_cache == null) vm_busListenersByMessage_live_cache = vm_busListenersByMessage_live_load(); return vm_busListenersByMessage_live_cache; }

static Map<String, Set> vm_busListenersByMessage_live_load() {
  return vm_generalHashMap("busListenersByMessage");
}
static boolean endsWithIgnoreCase(String a, String b) {
  int la = l(a), lb = l(b);
  return la >= lb && regionMatchesIC(a, la-lb, b, 0, lb);
}


static boolean endsWithIgnoreCase(String a, String b, Matches m) {
  if (!endsWithIgnoreCase(a, b)) return false;
  m.m = new String[] { substring(a, 0, l(a)-l(b)) };
  return true;
}

static BufferedReader bufferedReader(Reader r) { return bufferedReader(r, 8192); }
static BufferedReader bufferedReader(Reader r, int bufSize) {
  return r instanceof BufferedReader ? (BufferedReader) r : _registerIOWrap(new BufferedReader(r, bufSize), r);
}
static <A> CloseableIterableIterator<A> iteratorFromFunction_f0_autoCloseable(final F0<A> f, final AutoCloseable closeable) {
  class IFF2 extends CloseableIterableIterator<A> {
    A a;
    boolean done = false;
    
    public boolean hasNext() {
      getNext();
      return !done;
    }
    
    public A next() {
      getNext();
      if (done) throw fail();
      A _a = a;
      a = null;
      return _a;
    }
    
    void getNext() {
      if (done || a != null) return;
      a = f.get();
      done = a == null;
    }
    
    public void close() throws Exception {
      if (closeable != null) closeable.close();
    }
  };
  return new IFF2();
}
static String readLineFromReaderWithClose(BufferedReader r) { try {
  String s = r.readLine();
  if (s == null) r.close();
  return s;
} catch (Exception __e) { throw rethrow(__e); } }
static AutoCloseable _wrapIOCloseable(final AutoCloseable c) {
  return c == null ? null : new AutoCloseable() { public String toString() { return "c.close();\r\n    _registerIO(c, null, false);"; } public void close() throws Exception { c.close();
    _registerIO(c, null, false);
  }};
}

static <A> A _registerIOWrap(A wrapper, Object wrapped) {
  return wrapper;
}
static FileInputStream newFileInputStream(File path) throws IOException {
  return newFileInputStream(path.getPath());
}

static FileInputStream newFileInputStream(String path) throws IOException {
  FileInputStream f = new FileInputStream(path);
  _registerIO(f, path, true);
  return f;
}
static int gzInputStream_defaultBufferSize = 65536;

static GZIPInputStream gzInputStream(File f) { try {
  return gzInputStream(new FileInputStream(f));
} catch (Exception __e) { throw rethrow(__e); } }

static GZIPInputStream gzInputStream(File f, int bufferSize) { try {
  return gzInputStream(new FileInputStream(f), bufferSize);
} catch (Exception __e) { throw rethrow(__e); } }

static GZIPInputStream gzInputStream(InputStream in) {
  return gzInputStream(in, gzInputStream_defaultBufferSize);
}

static GZIPInputStream gzInputStream(InputStream in, int bufferSize) { try {
  return _registerIOWrap(new GZIPInputStream(in, gzInputStream_defaultBufferSize), in);
} catch (Exception __e) { throw rethrow(__e); } }
// f : Matcher -> S
static String regexReplace(String s, String pat, Object f) {
  Matcher m = Pattern.compile(pat).matcher(s);
  return regexReplace(m, f);
}

static String regexReplace(Matcher m, Object f) {
  StringBuffer buf = new StringBuffer();
  while (m.find())
    m.appendReplacement(buf, m.quoteReplacement(str(callF(f, m))));
  m.appendTail(buf);
  return str(buf);
}
static Matcher regexpMatcherIC(String pat, String s) {
  return compileRegexpIC(pat).matcher(unnull(s));
}
static String actualUserHome_value;
static String actualUserHome() {
  if (actualUserHome_value == null) {
    if (isAndroid())
      actualUserHome_value = "/storage/emulated/0/";
    else
      actualUserHome_value = System.getProperty("user.home");
  }
  return actualUserHome_value;
}

static File actualUserHome(String sub) {
  return newFile(new File(actualUserHome()), sub);
}
static File userDir() {
  return new File(userHome());
}

static File userDir(String path) {
  return new File(userHome(), path);
}
static String multiLineQuoteWithSpaces(String s) {
  return multiLineQuote(" " + s + " ");
}
static <A> HashSet<A> litset(A... items) {
  return lithashset(items);
}
static File programDir_mine; // set this to relocate program's data

static File programDir() {
  return programDir(getProgramID());
}

static File programDir(String snippetID) {
  boolean me = sameSnippetID(snippetID, programID());
  if (programDir_mine != null && me)
    return programDir_mine;
  File dir = new File(javaxDataDir(), formatSnippetIDOpt(snippetID));
  if (me) {
    String c = caseID();
    if (nempty(c)) dir = newFile(dir, c);
  }
  return dir;
}

static File programDir(String snippetID, String subPath) {
  return new File(programDir(snippetID), subPath);
}
static <A> A[] newObjectArrayOfSameType(A[] a, int n) {
  return (A[]) Array.newInstance(a.getClass().getComponentType(), n);
}
static <A> List<A> newSubList(List<A> l, int startIndex, int endIndex) {
  return cloneList(subList(l, startIndex, endIndex));
}

static <A> List<A> newSubList(List<A> l, int startIndex) {
  return cloneList(subList(l, startIndex));
}
static List<String> tok_combineRoundOrCurlyBrackets_keep(List<String> tok) {
  List<String> l = new ArrayList();
  for (int i = 0; i < l(tok); i++) {
    String t = tok.get(i);
    if (odd(i) && eqOneOf(t, "{", "(")) {
      int j = findEndOfBracketPart(tok, i);
      l.add(joinSubList(tok, i, j));
      i = j-1;
    } else
      l.add(t);
  }
  return l;
}
static List<String> javaTokNPunctuation_bracketsInC(String s) {
  List<String> tok = javaTok(s);
  for (int i = 1; i < l(tok); i += 2) {
    int j = i;
    String t;
    char c;
    while (j < l(tok)
      && l(t = tok.get(j)) == 1
      && !Character.isLetterOrDigit(c = t.charAt(0))
      && "{}()".indexOf(c) < 0)
        j += 2;
    if (j > i)
      // j points to next C token after mergeable stuff
      replaceSubList(tok, i-1, j, ll(joinSubList(tok, i-1, j)));
  }
  return tok;
}
static List<String> javaTokForStructure(String s) {
  return javaTok_noMLS(s);
}
static String structure_addTokenMarkers(String s) {
  return join(structure_addTokenMarkers(javaTokForStructure(s)));
}
  
static List<String> structure_addTokenMarkers(List<String> tok) {
  // find references
  
  TreeSet<Integer> refs = new TreeSet();
  for (int i = 1; i < l(tok); i += 2) {
    String t = tok.get(i);
    if (t.startsWith("t") && isInteger(t.substring(1)))
      refs.add(parseInt(t.substring(1)));
  }
  
  if (empty(refs)) return tok;
  
  // add markers
  for (int i : refs) {
    int idx = i*2+1;
    if (idx >= l(tok)) continue; // broken structure
    String t = "";
    if (endsWithLetterOrDigit(tok.get(idx-1))) t = " ";
    tok.set(idx, t + "m" + i + " " + tok.get(idx));
  }
  
  return tok;
}


static String jreplace(String s, String in, String out) {
  return jreplace(s, in, out, null);
}

static String jreplace(String s, String in, String out, Object condition) {
  List<String> tok = javaTok(s);
  return jreplace(tok, in, out, condition) ? join(tok) : s;
}

// leaves tok properly tokenized
// returns true iff anything was replaced
static boolean jreplace(List<String> tok, String in, String out) {
  return jreplace(tok, in, out, false, true, null);
}

static boolean jreplace(List<String> tok, String in, String out, Object condition) {
  return jreplace(tok, in, out, false, true, condition);
}

static boolean jreplace(List<String> tok, String in, String out, IF2<List<String>, Integer, Boolean> condition) {
  return jreplace(tok, in, out, (Object) condition);
}

static boolean jreplace(List<String> tok, String in, String out, boolean ignoreCase, boolean reTok, Object condition) {
  String[] toks = javaTokForJFind_array(in);
  int lTokin = toks.length*2+1;

  boolean anyChange = false;
  int i = -1;
  for (int n = 0; n < 10000; n++) { // TODO: don't need this check anymore
    i = findCodeTokens(tok, i+1, ignoreCase, toks, condition);
    if (i < 0)
      return anyChange;
    List<String> subList = tok.subList(i-1, i+lTokin-1); // N to N
    String expansion = jreplaceExpandRefs(out, subList);
    int end = i+lTokin-2;
    
    clearAllTokens(tok, i, end); // C to C
    tok.set(i, expansion);
    if (reTok) // would this ever be false??
      reTok(tok, i, end);
    i = end;
    anyChange = true;
  }
  throw fail("woot? 10000! " + quote(in) + " => " + quote(out));
}

static boolean jreplace_debug = false;
static Object pcallFAll_returnFirstNotNull(Collection l, Object... args) {
  if (l != null) for (Object f : cloneList(l))
    { Object __1= pcallF(f, args); if (__1 != null) return __1; }
  return null;
}

static Object pcallFAll_returnFirstNotNull(Iterator it, Object... args) {
  while (it.hasNext())
    { Object __2= pcallF(it.next(), args); if (__2 != null) return __2; }
  return null;
}
static String assertIsIdentifier(String s) {
  if (!isIdentifier(s))
    throw fail("Not an identifier: " + quote(s));
  return s;
}

static String assertIsIdentifier(String msg, String s) {
  if (!isIdentifier(s))
    throw fail(msg + " - Not an identifier: " + quote(s));
  return s;
}
static Object vm_generalMap_get(Object key) {
  return vm_generalMap().get(key);
}
static <A> A[] makeArray(Class<A> type, int n) {
  return (A[]) Array.newInstance(type, n);
}
static <A> A getWeakRef(Reference<A> ref) {
  return ref == null ? null : ref.get();
}
static boolean odd(int i) {
  return (i & 1) != 0;
}

static boolean odd(long i) {
  return (i & 1) != 0;
}

static boolean odd(BigInteger i) { return odd(toInt(i)); }
// i must point at the (possibly imaginary) opening bracket (any of the 3 types, not type parameters)
// index returned is index of closing bracket + 1
static int findEndOfBracketPart2(List<String> cnc, int i) {
  int j = i+2, level = 1;
  while (j < cnc.size()) {
    if (eqOneOf(cnc.get(j), "{", "(", "[")) ++level;
    else if (eqOneOf(cnc.get(j), "}", ")", "]")) --level;
    if (level == 0)
      return j+1;
    ++j;
  }
  return cnc.size();
}
static <A> HashSet<A> lithashset(A... items) {
  HashSet<A> set = new HashSet();
  for (A a : items) set.add(a);
  return set;
}
static String shortenSnippetID(String snippetID) {
  if (snippetID.startsWith("#"))
    snippetID = snippetID.substring(1);
  String httpBlaBla = "http://tinybrain.de/";
  if (snippetID.startsWith(httpBlaBla))
    snippetID = snippetID.substring(httpBlaBla.length());
  return "" + parseLong(snippetID);
}
static <A> A proxy(Class<A> intrface, final Object target) {
  if (target == null) return null;
  if (isInstance(intrface, target)) return (A) target;
  return (A) java.lang.reflect.Proxy.newProxyInstance(intrface.getClassLoader(),
   new Class[] { intrface },
   new InvocationHandler() {
     public Object invoke(Object proxy, Method method, Object[] args) {
       return call(target, method.getName(), unnull(args));
     }
   });
}

static <A> A proxy(Object target, Class<A> intrface) {
  return proxy(intrface, target);
}
static String md5(String text) { try {
  if (text == null) return "-";
  return bytesToHex(md5_impl(toUtf8(text))); // maybe different than the way PHP does it...
} catch (Exception __e) { throw rethrow(__e); } }

static String md5(byte[] data) {
  if (data == null) return "-";
  return bytesToHex(md5_impl(data));
}

static byte[] md5_impl(byte[] data) { try {
  return MessageDigest.getInstance("MD5").digest(data);
} catch (Exception __e) { throw rethrow(__e); } }

static String md5(File file) {
  return md5OfFile(file);
}
static String fileNameEncode_safeChars = " ()[]#,!";

static String fileNameEncode(String s) {
  StringBuilder buf = new StringBuilder();
  int n = l(s);
  for (int i = 0; i < n; i++) {
    char c = s.charAt(i);
    if (contains(fileNameEncode_safeChars, c))
      buf.append(c);
    else
      buf.append(urlencode(str(c)));
  }
  return str(buf);
}
static void copyStream(InputStream in, OutputStream out) { try {
  byte[] buf = new byte[65536];
  while (true) {
    int n = in.read(buf);
    if (n <= 0) return;
    out.write(buf, 0, n);
  }
} catch (Exception __e) { throw rethrow(__e); } }
static List collectField(Iterable c, String field) {
  List l = new ArrayList();
  if (c != null) for (Object a : c)
    l.add(getOpt(a, field));
  return l;
}

static List collectField(String field, Iterable c) {
  return collectField(c, field);
}
static boolean isLowerHexString(String s) {
  for (int i = 0; i < l(s); i++) {
    char c = s.charAt(i);
    if (c >= '0' && c <= '9' || c >= 'a' && c <= 'f') {
      // ok
    } else
      return false;
  }
  return true;
}
static boolean networkAllowanceTest(String url) {
  
  
  return isAllowed("networkAllowanceTest", url);
  
}
static final boolean loadPageThroughProxy_enabled = false;

static String loadPageThroughProxy(String url) {
  return null;
}
static String exceptionToStringShort(Throwable e) {
  lastException(e);
  e = getInnerException(e);
  String msg = hideCredentials(unnull(e.getMessage()));
  if (msg.indexOf("Error") < 0 && msg.indexOf("Exception") < 0)
    return baseClassName(e) + prependIfNempty(": ", msg);
  else
    return msg;
}
static void sleepSeconds(double s) {
  if (s > 0) sleep(round(s*1000));
}
static String tb_mainServer_default = "http://code.botcompany.de:8081";
static Object tb_mainServer_override; // func -> S

static String tb_mainServer() {
  if (tb_mainServer_override != null) return (String) callF(tb_mainServer_override);
  return trim(loadTextFile(tb_mainServer_file(),
    tb_mainServer_default));
}

static File tb_mainServer_file() {
  return getProgramFile("#1001638", "mainserver.txt");
}

static boolean tb_mainServer_isDefault() {
  return eq(tb_mainServer(), tb_mainServer_default);
}
static <A> A printWithTime(A a) {
  return printWithTime("", a);
}

static <A> A printWithTime(String s, A a) {
  print(hmsWithColons() + ": " + s, a);
  return a;
}
static <A> A getAndClearThreadLocal(ThreadLocal<A> tl) {
  A a = tl.get();
  tl.set(null);
  return a;
}
static void setHeaders(URLConnection con) throws IOException {
  
  String computerID = getComputerID_quick();
  if (computerID != null) try {
    con.setRequestProperty("X-ComputerID", computerID);
    con.setRequestProperty("X-OS", System.getProperty("os.name") + " " + System.getProperty("os.version"));
  } catch (Throwable e) {
    //printShortException(e);
  }
  
}
static <A, B> Set<A> keys(Map<A, B> map) {
  return map == null ? new HashSet() : map.keySet();
}

// convenience shortcut for keys_gen
static Set keys(Object map) {
  return keys((Map) map);
}




  static <A, B> Set<A> keys(MultiMap<A, B> mm) {
    return mm.keySet();
  }





static Map vm_generalSubMap(Object name) {
  synchronized(get(javax(), "generalMap")) {
    Map map =  (Map) (vm_generalMap_get(name));
    if (map == null)
      vm_generalMap_put(name, map = synchroMap());
    return map;
  }
}

static InputStream urlConnection_getInputStream(URLConnection con) throws IOException {
  UnknownHostException lastException = null;
  for (int _repeat_0 = 0; _repeat_0 < 2; _repeat_0++)  {
    try {
      if (con instanceof HttpURLConnection)
        if (((HttpURLConnection) con).getResponseCode() == 500)
          throw new IOException(joinNemptiesWithColonSpace("Server code 500", tryToReadErrorStreamFromURLConnection(((HttpURLConnection) con))));
      return con.getInputStream();
    } catch (UnknownHostException e) {
      lastException = e;
      print("Retrying because of: " + e);
      continue;
    }
  }
  throw lastException;
}
static String toHex(byte[] bytes) {
  return bytesToHex(bytes);
}

static String toHex(byte[] bytes, int ofs, int len) {
  return bytesToHex(bytes, ofs, len);
}

static byte[] utf8(String s) {
  return toUtf8(s);
}
static URLConnection openConnection(String url) { try {
  return openConnection(new URL(url));
} catch (Exception __e) { throw rethrow(__e); } }

static URLConnection openConnection(URL url) { try {
  ping();
  
  callOpt(javax(), "recordOpenURLConnection", str(url));
  
  return url.openConnection();
} catch (Exception __e) { throw rethrow(__e); } }
static int toInt(Object o) {
  if (o == null) return 0;
  if (o instanceof Number)
    return ((Number) o).intValue();
  if (o instanceof String)
    return parseInt(((String) o));
  if (o instanceof Boolean)
    return boolToInt(((Boolean) o));
  throw fail("woot not int: " + getClassName(o));
}

static int toInt(long l) {
  if (l != (int) l) throw fail("Too large for int: " + l);
  return (int) l;
}
static URLConnection setURLConnectionTimeouts(URLConnection con, long timeout) {
  con.setConnectTimeout(toInt(timeout));
  con.setReadTimeout(toInt(timeout));
  if (con.getConnectTimeout() != timeout || con.getReadTimeout() != timeout)
    print("Warning: Timeouts not set by JDK.");
  return con;
}
static URLConnection setURLConnectionDefaultTimeouts(URLConnection con, long timeout) {
  if (con.getConnectTimeout() == 0) {
    con.setConnectTimeout(toInt(timeout));
    if (con.getConnectTimeout() != timeout)
      print("Warning: URL connect timeout not set by JDK.");
  }
  if (con.getReadTimeout() == 0) {
    con.setReadTimeout(toInt(timeout));
    if (con.getReadTimeout() != timeout)
      print("Warning: URL read timeout not set by JDK.");
  }
  return con;
}
static byte[] convertToPNG(BufferedImage img) { try {
  ByteArrayOutputStream stream = new ByteArrayOutputStream();
  ImageIO.write(img, "png", stream);
  return stream.toByteArray();
} catch (Exception __e) { throw rethrow(__e); } }
static String postPage(String url, Object... params) {
  return doPost(litmap(params), url);
}
static boolean isImageServerSnippet(long id) {
  return id >= 1100000 && id < 1200000;
}
static String imageServerLink(String md5OrID) {
  if (possibleMD5(md5OrID))
    return "https://botcompany.de/images/md5/" + md5OrID;
  return imageServerLink(parseSnippetID(md5OrID));
}

static String imageServerLink(long id) {
  return "https://botcompany.de/images/" + id;
}
static <A, B> Map<A, B> cloneMap(Map<A, B> map) {
  if (map == null) return new HashMap();
  // assume mutex is equal to map
  synchronized(map) {
    return map instanceof TreeMap ? new TreeMap((TreeMap) map) // copies comparator
      : map instanceof LinkedHashMap ? new LinkedHashMap(map)
      : new HashMap(map);
  }
}

static <A, B> List<B> cloneMap(Iterable<A> l, IF1<A, B> f) {
  List x = emptyList(l);
  if (l != null) for (A o : cloneList(l))
    x.add(f.get(o));
  return x;
}
static <A, B> LinkedHashMap<A, B> asLinkedHashMap(Map<A, B> map) {
  if (map instanceof LinkedHashMap) return (LinkedHashMap) map;
  LinkedHashMap<A, B> m = new LinkedHashMap();
  if (map != null) synchronized(collectionMutex(map)) {
    m.putAll(map);
  }
  return m;
}
static Object[] mapToObjectArray(Map map) {
  List l = new ArrayList();
  for (Object o : keys(map)) {
    l.add(o);
    l.add(map.get(o));
  }
  return toObjectArray(l);
}

static Object[] mapToObjectArray(Object f, Collection l) {
  int n = l(l);
  Object[] array = new Object[n];
  if (n != 0) {
    Iterator it = iterator(l);
    for (int i = 0; i < n; i++)
      array[i] = callF(f, it.next());
  }
  return array;
}

static Object[] mapToObjectArray(Object f, Object[] l) {
  int n = l(l);
  Object[] array = new Object[n];
  for (int i = 0; i < n; i++)
    array[i] = callF(f, l[i]);
  return array;
}

static <A> Object[] mapToObjectArray(Collection<A> l, IF1<A, Object> f) {
  return mapToObjectArray(f, l);
}
static <A> A lookupIgnoreCase(Map<String, A> map, String key) {
  for (String s : map.keySet())
    if (eqic(s, key))
      return map.get(s);
  return null;
}

static <A> List<A> lookupIgnoreCase(MultiMap<String, A> map, String key) {
  for (String s : map.keySet())
    if (eqic(s, key))
      return map.get(s);
  return litlist();
}
static List<String> scanLog(String progID, String fileName) {
  return scanLog(getProgramFile(progID, fileName));
}

static List<String> scanLog(String fileName) {
  return scanLog(getProgramFile(fileName));
}

static List<String> scanLog(File file) {
  List<String> l = new ArrayList();
  for (File f : concatLists(earlierPartsOfLogFile(file), ll(file)))
    for (String s : toLines(file))
      if (isProperlyQuoted(s)) l.add(unquote(s));
  return l;
}
static Map unstructureMap(String s) {
  return (Map) unstructure(s);
}
static boolean getHtmlTagParameters_debug = false;

static Map<String, String> getHtmlTagParameters(String tag) {
  if (empty(tag)) return null;
  List<String> tok = codeTokens(tok_joinMinusIdentifiers(htmlFineTok(tag)));
  if (getHtmlTagParameters_debug)
    printStruct(tok);
  assertEquals("<", tok.get(0));
  int i = 1;
  if (eq(tok.get(1), "/")) ++i;
  String name = tok.get(i++);
  if (!isMinusIdentifier(name))
    throw fail(tag + " (" + name + ")");
  Map<String, String> map = new HashMap();
  while (i < l(tok)) {
    String t = tok.get(i);
    if (eqOneOf(t, "/", ">")) break;
    if (!isMinusIdentifier(t))
      throw fail(tag + " (" + t + ")");
    ++i;
    String value = "1";
    if (eq(tok.get(i), "=")) {
      ++i;
      value = htmlunquote(tok.get(i++));
    }
    map.put(t, value);
  }
  return map;
}
static List<String> mapToLines(Map map) {
  List<String> l = new ArrayList();
  for (Object key : keys(map))
    l.add(str(key) + " = " + str(map.get(key)));
  return l;
}

static String mapToLines(Map map, Object f) {
  return lines(map(map, f));
}

static String mapToLines(Object f, Map map) {
  return lines(map(map, f));
}

static String mapToLines(Object f, Iterable l) {
  return lines(map(f, l));
}

static <A> String mapToLines(Iterable<A> l, IF1<A, String> f) {
  return mapToLines((Object) f, l);
}

static <A> String mapToLines(IF1<A, String> f, Iterable<A> l) {
  return mapToLines((Object) f, l);
}

static <A, B> String mapToLines(Map<A, B> map, IF2<A, B, String> f) {
  return lines(map(map, f));
}
static TimeZone localTimeZone() {
  return getTimeZone(standardTimeZone());
  // TimeZone.getDefault()?
}
static void removeSubList(List l, int from, int to) {
  if (l != null) subList(l, from, to).clear();
}

static void removeSubList(List l, int from) {
  if (l != null) subList(l, from).clear();
}
static String shortenClassName(String name) {
  if (name == null) return null;
  int i = lastIndexOf(name, "$");
  if (i < 0) i = lastIndexOf(name, ".");
  return i < 0 ? name : substring(name, i+1);
}
static List<String> mechList_opt(String name) {
  return mechList_opt_tlft(name);
}
static boolean preferCached = false;
static boolean loadSnippet_debug = false;
static ThreadLocal<Boolean> loadSnippet_silent = new ThreadLocal();
static ThreadLocal<Boolean> loadSnippet_publicOnly = new ThreadLocal();
static int loadSnippet_timeout = 30000;



static String loadSnippet(String snippetID) { try {
  if (snippetID == null) return null;
  return loadSnippet(parseSnippetID(snippetID), preferCached);
} catch (Exception __e) { throw rethrow(__e); } }

static String loadSnippet(String snippetID, boolean preferCached) throws IOException {
  return loadSnippet(parseSnippetID(snippetID), preferCached);
}

static  IF1<Long, String> loadSnippet;
static String loadSnippet(long snippetID) { return loadSnippet != null ? loadSnippet.get(snippetID) : loadSnippet_base(snippetID); }
final static String loadSnippet_fallback(IF1<Long, String> _f, long snippetID) { return _f != null ? _f.get(snippetID) : loadSnippet_base(snippetID); }
static String loadSnippet_base(long snippetID) { try {
  return loadSnippet(snippetID, preferCached);
} catch (Exception __e) { throw rethrow(__e); } }

static String loadSnippet(long snippetID, boolean preferCached) throws IOException {
  String text;
  
  if (isLocalSnippetID(snippetID))
    return loadLocalSnippet(snippetID);
    
  
  IResourceLoader rl = vm_getResourceLoader();
  if (rl != null)
    return rl.loadSnippet(fsI(snippetID));
  
  
  // boss bot disabled for now for shorter transpilations
  
  /*text = getSnippetFromBossBot(snippetID);
  if (text != null) return text;*/
  
  initSnippetCache();
  text = DiskSnippetCache_get(snippetID);
  
  if (preferCached && text != null)
    return text;
  
  try {
    if (loadSnippet_debug && text != null) System.err.println("md5: " + md5(text));
    String url = tb_mainServer() + "/getraw.php?id=" + snippetID + "&utf8=1";
    if (nempty(text)) url += "&md5=" + md5(text);
    if (!isTrue(loadSnippet_publicOnly.get()))
      url += standardCredentials();
    
    String text2 = loadSnippet_loadFromServer(url);
    
    boolean same = eq(text2, "==*#*==");
    if (loadSnippet_debug) print("loadSnippet: same=" + same);
    if (!same) text = text2;
  } catch (RuntimeException e) {
    e.printStackTrace();
    throw new IOException("Snippet #" + snippetID + " not found or not public");
  }

  try {
    initSnippetCache();
    DiskSnippetCache_put(snippetID, text);
  } catch (IOException e) {
    System.err.println("Minor warning: Couldn't save snippet to cache ("  + DiskSnippetCache_getDir() + ")");
  }

  return text;
}

static File DiskSnippetCache_dir;

public static void initDiskSnippetCache(File dir) {
  DiskSnippetCache_dir = dir;
  dir.mkdirs();
}

public static synchronized String DiskSnippetCache_get(long snippetID) throws IOException {
  return loadTextFile(DiskSnippetCache_getFile(snippetID).getPath(), null);
}

private static File DiskSnippetCache_getFile(long snippetID) {
  return new File(DiskSnippetCache_dir, "" + snippetID);
}

public static synchronized void DiskSnippetCache_put(long snippetID, String snippet) throws IOException {
  saveTextFile(DiskSnippetCache_getFile(snippetID).getPath(), snippet);
}

public static File DiskSnippetCache_getDir() {
  return DiskSnippetCache_dir;
}

public static void initSnippetCache() {
  if (DiskSnippetCache_dir == null)
    initDiskSnippetCache(getGlobalCache());
}

static String loadSnippet_loadFromServer(String url) {
  Integer oldTimeout = setThreadLocal(loadPage_forcedTimeout_byThread, loadSnippet_timeout);
  try {
    return isTrue(loadSnippet_silent.get()) ? loadPageSilently(url) : loadPage(url);
  } finally {
    loadPage_forcedTimeout_byThread.set(oldTimeout);
  }
}

static int jfind(String s, String in) {
  return jfind(javaTok(s), in);
}

static int jfind(List<String> tok, String in) {
  return jfind(tok, 1, in);
}

static int jfind(List<String> tok, int startIdx, String in) {
  return jfind(tok, startIdx, in, null);
}

static int jfind(List<String> tok, String in, Object condition) {
  return jfind(tok, 1, in, condition);
}

static int jfind(List<String> tok, int startIdx, String in, Object condition) {
  //LS tokin = jfind_preprocess(javaTok(in));
  return jfind(tok, startIdx, javaTokForJFind_array(in), condition);
}

// assumes you preprocessed tokin
static int jfind(List<String> tok, List<String> tokin) {
  return jfind(tok, 1, tokin);
}

static int jfind(List<String> tok, int startIdx, List<String> tokin) {
  return jfind(tok, startIdx, tokin, null);
}

static int jfind(List<String> tok, int startIdx, String[] tokinC, Object condition) {
  return findCodeTokens(tok, startIdx, false, tokinC, condition);
}

static int jfind(List<String> tok, int startIdx, List<String> tokin, Object condition) {
  return jfind(tok, startIdx, codeTokensAsStringArray(tokin), condition);
}

static List<String> jfind_preprocess(List<String> tok) {
  for (String type : litlist("quoted", "id", "int"))
    replaceSublist(tok, ll("<", "", type, "", ">"), ll("<" + type + ">"));
  replaceSublist(tok, ll("\\", "", "*"), ll("\\*"));
  return tok;
}
static List<Integer> jfindAll(List<String> tok, String pat) {
  return jfindAll(tok, jfind_preprocess(javaTok(pat)));
}

// tokPat must be jfind_preprocess'd
static List<Integer> jfindAll(List<String> tok, List<String> tokPat) {
  String[] toks = toStringArray(codeTokensOnly(tokPat));
  
  int i = -1;
  List<Integer> l = new ArrayList();
  while ((i = findCodeTokens(tok, i+1, false, toks)) >= 0)
    l.add(i);
  return l;
}
static String firstJavaToken(String s) {
  if (s == null) return null;
  int l = s.length();

  int j = 0;
  char c, d;
    
  // scan for whitespace
  while (j < l) {
    c = s.charAt(j);
    d = j+1 >= l ? '\0' : s.charAt(j+1);
    if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
      ++j;
    else if (c == '/' && d == '*') {
      do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
      j = Math.min(j+2, l);
    } else if (c == '/' && d == '/') {
      do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
    } else
      break;
  }
    
  if (j >= l) return null;
  int i = j;
  c = s.charAt(i);
  d = i+1 >= l ? '\0' : s.charAt(i+1);

  // scan for non-whitespace
  if (c == '\'' || c == '"') {
    char opener = c;
    ++j;
    while (j < l) {
      if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
        ++j;
        break;
      } else if (s.charAt(j) == '\\' && j+1 < l)
        j += 2;
      else
        ++j;
    }
  } else if (Character.isJavaIdentifierStart(c))
    do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't"
  else if (Character.isDigit(c)) {
    do ++j; while (j < l && Character.isDigit(s.charAt(j)));
    if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
  } else if (c == '[' && d == '[') {
    do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
    j = Math.min(j+2, l);
  } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
    do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
    j = Math.min(j+3, l);
  } else
    ++j;
    
  return quickSubstring(s, i, j);
}
static String fsIOpt(String s) {
  return formatSnippetIDOpt(s);
}
static String loadCachedTranspilation(String id) { try {
  return loadTextFilePossiblyGZipped(getCachedTranspilationFile(id));
} catch (Throwable __e) { return null; } }

static boolean machineIsOffline() {
  return isFalse(callF(vmGeneralMap_get("areWeOnline")));
}
static boolean isOfflineMode() {
  return eq("1", trim(loadProgramTextFile("#1005806", "offline-mode")));
}
static boolean isLocalSnippet(String snippetID) {
  return isLocalSnippetID(snippetID);
}



static boolean isLocalSnippet(long snippetID) {
  return isLocalSnippetID(snippetID);
}
static String getServerTranspiled(String snippetID) {
  return getServerTranspiled(snippetID, null);
}

static boolean getServerTranspiled_printStackTrace = false;

// returns "SAME" if md5 matches
static String getServerTranspiled(String snippetID, String expectedMD5) { try {
  if (getServerTranspiled_printStackTrace) printStackTrace();
  long id = parseSnippetID(snippetID);
  /*S t = getTranspilationFromBossBot(id);
  if (t != null) return t;*/
  
  String text = loadPage_utf8(tb_mainServer() + "/tb-int/get-transpiled.php?raw=1&withlibs=1&id=" + id + "&utf8=1"
    + (l(expectedMD5) > 1 ? "&md5=" + urlencode(expectedMD5) : "")
    + standardCredentials());
  if (nempty(text) && neq(text, "SAME"))
    saveTranspiledCode(snippetID, text);
  return text;
} catch (Exception __e) { throw rethrow(__e); } }
static void printExceptionShort(Throwable e) {
  print(exceptionToStringShort(e));
}
static <A, B> B mapPut_returnValue(Map<A, B> map, A key, B value) {
  mapPut(map, key, value);
  return value;
}
static boolean warn_on = true;
static ThreadLocal<List<String>> warn_warnings = new ThreadLocal();

static void warn(String s) {
  if (warn_on)
    print("Warning: " + s);
}

static void warn(String s, List<String> warnings) {
  warn(s);
  if (warnings != null)
    warnings.add(s);
  addToCollection(warn_warnings.get(), s);
}
static String getSnippetTitle(String id) { try {
  if (id == null) return null;
  if (!isSnippetID(id)) return "?";
  
  
  IResourceLoader rl = vm_getResourceLoader();
  if (rl != null)
    return rl.getSnippetTitle(id);
  

  if (isLocalSnippetID(id)) return localSnippetTitle(id);
  long parsedID = parseSnippetID(id);
  String url;
  if (isImageServerSnippet(parsedID))
    url = imageServerURL() + "title/" + parsedID + muricaCredentialsQuery();
  else if (isGeneralFileServerSnippet(parsedID))
    url = "http://butter.botcompany.de:8080/files/name/" + parsedID;
  else
    url = tb_mainServer() + "/tb-int/getfield.php?id=" + parsedID + "&field=title" + standardCredentials_noCookies();
  String title = trim(loadPageSilently(url));
  if (title != null)
    try { saveTextFileIfChanged(snippetTitle_cacheFile(id), title); } catch (Throwable __e) { print(exceptionToStringShort(__e)); }
  return or(title, "?");
} catch (Exception __e) { throw rethrow(__e); } }

static String getSnippetTitle(long id) {
  return getSnippetTitle(fsI(id));
}

static String defaultThreadName_name;

static String defaultThreadName() {
  if (defaultThreadName_name == null)
    defaultThreadName_name = "A thread by " + programID();
  return defaultThreadName_name;
}
static Runnable wrapAsActivity(Object r) {
  return toRunnable(r);
}
// runnable = Runnable or String (method name)
static Thread newThread(Object runnable) {
  return new Thread(_topLevelErrorHandling(toRunnable(runnable)));
}

static Thread newThread(Object runnable, String name) {
  if (name == null) name = defaultThreadName();
  return new Thread(_topLevelErrorHandling(toRunnable(runnable)), name);
}

static Thread newThread(String name, Object runnable) {
  return newThread(runnable, name);
}
static Runnable toRunnable(final Object o) {
  if (o instanceof Runnable) return (Runnable) o;
  return new Runnable() {  public void run() { try {  callF(o) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(o)"; }};
}
static Map<Thread, Boolean> _registerThread_threads;
static Object _onRegisterThread; // voidfunc(Thread)

static Thread _registerThread(Thread t) {
  if (_registerThread_threads == null)
    _registerThread_threads = newWeakHashMap();
  _registerThread_threads.put(t, true);
  vm_generalWeakSubMap("thread2mc").put(t, weakRef(mc()));
  callF(_onRegisterThread, t);
  return t;
}

static void _registerThread() { _registerThread(Thread.currentThread()); }
static List<String> nlTok(String s) {
  return javaTokPlusPeriod(s);
}


static boolean domainIsUnder(String domain, String mainDomain) {
  return eqic(domain, mainDomain) || ewic(domain, "." + mainDomain);
}
static String theAGIBlueDomain() {
  return "agi.blue";
}
static List<Class> getClasses(Object[] array) {
  List<Class> l = emptyList(l(array));
  for (Object o : array) l.add(_getClass(o));
  return l;
}
static <A, B> void multiMapPut(Map<A, List<B>> map, A a, B b) {
  List<B> l = map.get(a);
  if (l == null)
    map.put(a, l = new ArrayList());
  l.add(b);
}


static <A, B> void multiMapPut(MultiMap<A, B> mm, A key, B value) {
  if (mm != null && key != null && value != null) mm.put(key, value);
}

static Object pcallF(Object f, Object... args) {
  return pcallFunction(f, args);
}


static <A> A pcallF(F0<A> f) { try {
  return f == null ? null : f.get();
} catch (Throwable __e) { return null; } }



static <A, B> B pcallF(F1<A, B> f, A a) { try {
  return f == null ? null : f.get(a);
} catch (Throwable __e) { return null; } }



static <A> void pcallF(VF1<A> f, A a) {
  try {
    if (f != null) f.get(a);
  } catch (Throwable __e) { _handleException(__e); }
}

static Set vm_generalIdentityHashSet(Object name) {
  synchronized(get(javax(), "generalMap")) {
    Set set =  (Set) (vm_generalMap_get(name));
    if (set == null)
      vm_generalMap_put(name, set = syncIdentityHashSet());
    return set;
  }
}

static Map vm_generalHashMap(Object name) {
  synchronized(get(javax(), "generalMap")) {
    Map m =  (Map) (vm_generalMap_get(name));
    if (m == null)
      vm_generalMap_put(name, m = syncHashMap());
    return m;
  }
}

static String multiLineQuote(String s) {
  for (int i = 0; ; i++) {
    String closer = "]" + rep('=', i) + "]";
    if (!contains(s, closer))
      return "[" + rep('=', i) + "[" + s + closer;
  }
}
static boolean sameSnippetID(String a, String b) {
  if (!isSnippetID(a) || !isSnippetID(b)) return false;
  return parseSnippetID(a) == parseSnippetID(b);
}
static volatile String caseID_caseID;

static String caseID() { return caseID_caseID; }

static void caseID(String id) {
  caseID_caseID = id;
}
// i must point at the (possibly imaginary) opening bracket (any of the 2 types, not type parameters)
// index returned is index of closing bracket + 1
static int findEndOfBracketPart(List<String> cnc, int i) {
  int j = i+2, level = 1;
  while (j < cnc.size()) {
    if (eqOneOf(cnc.get(j), "{", "(")) ++level;
    else if (eqOneOf(cnc.get(j), "}", ")")) --level;
    if (level == 0)
      return j+1;
    ++j;
  }
  return cnc.size();
}
static List<String> replaceSubList(List<String> l, List<String> x, List<String> y) {
  return replaceSublist(l, x, y);
}

static <A> List<A> replaceSubList(List<A> l, int fromIndex, int toIndex, List<A> y) {
  return replaceSublist(l, fromIndex, toIndex, y);
}
static List<String> javaTok_noMLS(String s) {
  ArrayList<String> tok = new ArrayList();
  int l = s == null ? 0 : s.length();
  
  int i = 0, n = 0;
  while (i < l) {
    int j = i;
    char c, d;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      d = j+1 >= l ? '\0' : s.charAt(j+1);
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (c == '/' && d == '*') {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (c == '/' && d == '/') {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    tok.add(javaTok_substringN(s, i, j));
    ++n;
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    d = i+1 >= l ? '\0' : s.charAt(i+1);

    // scan for non-whitespace
    
    if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        int c2 = s.charAt(j);
        if (c2 == opener || c2 == '\n' && opener == '\'') { // allow multi-line strings, but not for '
          ++j;
          break;
        } else if (c2 == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && Character.isJavaIdentifierPart(s.charAt(j)));
    else if (Character.isDigit(c)) {
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
    } else
      ++j;
      
    tok.add(javaTok_substringC(s, i, j));
    ++n;
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  return tok;
}
static int parseInt(String s) {
  return emptyString(s) ? 0 : Integer.parseInt(s);
}

static int parseInt(char c) {
  return Integer.parseInt(str(c));
}




  static Map<String, String[]> javaTokForJFind_array_cache = synchronizedMRUCache(1000);


static String[] javaTokForJFind_array(String s) {
  String[] tok = javaTokForJFind_array_cache.get(s);
  if (tok == null)
    javaTokForJFind_array_cache.put(s, tok = codeTokensAsStringArray(jfind_preprocess(javaTok(s))));
  return tok;
}


static int findCodeTokens(List<String> tok, String... tokens) {
  return findCodeTokens(tok, 1, false, tokens);
}

static int findCodeTokens(List<String> tok, boolean ignoreCase, String... tokens) {
  return findCodeTokens(tok, 1, ignoreCase, tokens);
}

static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String... tokens) {
  return findCodeTokens(tok, startIdx, ignoreCase, tokens, null);
}

static HashSet<String> findCodeTokens_specials = lithashset("*", "<quoted>", "<id>", "<int>", "\\*");
static int findCodeTokens_bails, findCodeTokens_nonbails;

static interface findCodeTokens_Matcher {
  boolean get(String token);
}

static int findCodeTokens(List<String> tok, int startIdx, boolean ignoreCase, String[] tokens, Object condition) {
  int end = tok.size()-tokens.length*2+2, nTokens = tokens.length;
  int i = startIdx | 1;
  
  // bail out early if first token not found (works great with IndexedList)
  String firstToken = tokens[0];
  if (!ignoreCase && !findCodeTokens_specials.contains(firstToken)) {
    
    
    // quickly scan for first token
    while (i < end && !firstToken.equals(tok.get(i)))
      i += 2;
  }
  
  findCodeTokens_Matcher[] matchers = new findCodeTokens_Matcher[nTokens];
  for (int j = 0; j < nTokens; j++) {
    String p = tokens[j];
    findCodeTokens_Matcher matcher;
    if (p.equals("*"))
      matcher = t -> true;
    else if (p.equals("<quoted>"))
      matcher = t -> isQuoted(t);
    else if (p.equals("<id>"))
      matcher = t -> isIdentifier(t);
    else if (p.equals("<int>"))
      matcher = t -> isInteger(t);
    else if (p.equals("\\*"))
      matcher = t -> t.equals("*");
    else if (ignoreCase)
      matcher = t -> eqic(p, t);
    else
      matcher = t -> t.equals(p);
    matchers[j] = matcher;
  }
 
  outer: for (; i < end; i += 2) {
    for (int j = 0; j < nTokens; j++)
      if (!matchers[j].get(tok.get(i+j*2)))
        continue outer;

    if (condition == null || checkTokCondition(condition, tok, i-1)) // pass N index
      return i;
  }
  return -1;
}
// "$1" is first code token, "$2" second code token etc.
static String jreplaceExpandRefs(String s, List<String> tokref) {
  if (!contains(s, '$')) return s;
  List<String> tok = javaTok(s);
  for (int i = 1; i < l(tok); i += 2) {
    String t = tok.get(i);
    if (t.startsWith("$") && isInteger(t.substring(1))) {
      String x = tokref.get(-1+parseInt(t.substring(1))*2);
      tok.set(i, x);
    } else if (t.equals("\\")) {
      tok.set(i, "");
      i += 2;
    }
  }
  return join(tok);
}

  static void clearAllTokens(List<String> tok) {
    for (int i = 0; i < tok.size(); i++)
      tok.set(i, "");
  }
  
  static void clearAllTokens(List<String> tok, int i, int j) {
    for (; i < j; i++)
      tok.set(i, "");
  }
static List<String> reTok(List<String> tok) {
  replaceCollection(tok, javaTok(tok));
  return tok;
}

static List<String> reTok(List<String> tok, int i) {
  return reTok(tok, i, i+1);
}

static List<String> reTok(List<String> tok, int i, int j) {
  // extend i to an "N" token
  // and j to "C" (so j-1 is an "N" token)
  i = max(i & ~1, 0);
  j = min(l(tok), j | 1);
  if (i >= j) return tok;
  
  List<String> t = javaTok(joinSubList(tok, i, j));
  replaceListPart(tok, i, j, t);
  
  // fallback to safety
  // reTok(tok);
  
  return tok;
}


static List<String> reTok(List<String> tok, IntRange r) {
  if (r != null) reTok(tok, r.start, r.end);
  return tok;
}

static Map vm_generalMap_map;

static Map vm_generalMap() {
  if (vm_generalMap_map == null)
    vm_generalMap_map = (Map) get(javax(), "generalMap");
  return vm_generalMap_map;
}
static boolean isInstance(Class type, Object arg) {
  return type.isInstance(arg);
}
static boolean md5OfFile_verbose = false;

static String md5OfFile(String path) {
  return md5OfFile(newFile(path));
}

static String md5OfFile(File f) { try {
  if (!f.exists()) return "-";
  
  if (md5OfFile_verbose)
    print("Getting MD5 of " + f);
  
  MessageDigest md5 = MessageDigest.getInstance("MD5");
   FileInputStream in = new FileInputStream(f); try {

  byte buf[] = new byte[65536];
  int l;
  while (true) {
    l = in.read(buf);
    if (l <= 0) break;
    md5.update(buf, 0, l);
  }
  
  return bytesToHex(md5.digest());
} finally { _close(in); }} catch (Exception __e) { throw rethrow(__e); } }
static volatile Object isAllowed_function; // func(S, O[]) -> bool
static volatile boolean isAllowed_all = true;

static boolean isAllowed(String askingMethod, Object... args) {
  // check on VM level
  Object f = vm_generalMap_get("isAllowed_function");
  if (f != null && !isTrue(callF(f, askingMethod, args))) return false;
  
  // check locally
  return isAllowed_all || isTrue(callF(isAllowed_function, askingMethod, args));
}
static String baseClassName(String className) {
  return substring(className, className.lastIndexOf('.')+1);
}

static String baseClassName(Object o) {
  return baseClassName(getClassName(o));
}
static String prependIfNempty(String prefix, String s) {
  return empty(s) ? unnull(s) : prefix + s;
}
static volatile boolean sleep_noSleep = false;

static void sleep(long ms) {
  ping();
  if (ms < 0) return;
  // allow spin locks
  if (isAWTThread() && ms > 100) throw fail("Should not sleep on AWT thread");
  try {
    Thread.sleep(ms);
  } catch (Exception e) { throw new RuntimeException(e); }
}

static void sleep() { try {
  if (sleep_noSleep) throw fail("nosleep");
  print("Sleeping.");
  sleepQuietly();
} catch (Exception __e) { throw rethrow(__e); } }
static long round(double d) {
  return Math.round(d);
}


static String hmsWithColons() {
  return hmsWithColons(now());
}

static String hmsWithColons(long time) {
  return new SimpleDateFormat("HH:mm:ss").format(time);
}

static String getComputerID_quick() {
  return computerID();
}
static Object vm_generalMap_put(Object key, Object value) {
  return mapPutOrRemove(vm_generalMap(), key, value);
}
static String joinNemptiesWithColonSpace(String... strings) {
  return joinNempties(": ", strings);
}

static String joinNemptiesWithColonSpace(Collection<String> strings) {
  return joinNempties(": ", strings);
}
static String tryToReadErrorStreamFromURLConnection(URLConnection conn) { try {
  if (conn instanceof HttpURLConnection)
    return stream2string(((HttpURLConnection) conn).getErrorStream()); // TODO: ensure some max length
  return null;
} catch (Throwable __e) { return null; } }
static int boolToInt(boolean b) {
  return b ? 1 : 0;
}
static ThreadLocal<Boolean> doPost_silently = new ThreadLocal();
static ThreadLocal<Long> doPost_timeout = new ThreadLocal();
static ThreadLocal<Map<String, String>> doPost_extraHeaders = new ThreadLocal();

static String doPost(Map urlParameters, String url) {
  return doPost(makePostData(urlParameters), url);
}

static String doPost(String urlParameters, String url) { try {
  URL _url = new URL(url);
  ping();
  return doPost(urlParameters, _url.openConnection(), _url);
} catch (Exception __e) { throw rethrow(__e); } }

static String doPost(String urlParameters, URLConnection conn, URL url) { try {
  boolean silently = isTrue(optParam(doPost_silently));
  Long timeout = optParam(doPost_timeout);
  Map<String, String> extraHeaders = optPar(doPost_extraHeaders);
  setHeaders(conn);
  for (String key : keys(extraHeaders)) {
    
    conn.setRequestProperty(key, extraHeaders.get(key));
  }

  int l = lUtf8(urlParameters);
  if (!silently)
    print("Sending POST request: " + hideCredentials(url) + " (" + l + " bytes)");
      
  // connect and do POST
  if (timeout != null) setURLConnectionTimeouts(conn, timeout);
  ((HttpURLConnection) conn).setRequestMethod("POST");
  conn.setDoOutput(true);
  conn.setRequestProperty("Content-Length", str(l));

  OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream(), "UTF-8");
  writer.write(urlParameters);
  writer.flush();

  String contents = loadPage_utf8(conn, url, false);
  writer.close();
  return contents;
} catch (Exception __e) { throw rethrow(__e); } }
static boolean possibleMD5(String s) { return isMD5(s); }
static Object[] toObjectArray(Collection c) {
  List l = asList(c);
  return l.toArray(new Object[l.size()]);
}

static <A> ArrayList<A> litlist(A... a) {
  ArrayList l = new ArrayList(a.length);
  for (A x : a) l.add(x);
  return l;
}
static List<File> earlierPartsOfLogFile(File file) {
  String name = file.getName() + ".part";
  try {
    Matches m = new Matches();
    TreeMap<Integer, File> map = new TreeMap();
    for (File p : listFiles(file.getParent())) { try {
      String n = p.getName();
      if (startsWith(n, name, m))
        map.put(parseFirstInt(m.rest()), p);
    } catch (Throwable __e) { _handleException(__e); }}
    return valuesList(map);
  } catch (Throwable e) { _handleException(e);
    return ll();
  }
}
static boolean isProperlyQuoted(String s) {
  return s.length() >= 2
    && s.startsWith("\"")
    && s.endsWith("\"")
    && (!s.endsWith("\\\"") || s.endsWith("\\\\\""))
    && !containsNewLine(s);
}
static Object unstructure(String text) {
  return unstructure(text, false);
}

static Object unstructure(String text, final boolean allDynamic) {
  return unstructure(text, allDynamic, null);
}

static int structure_internStringsLongerThan = 50;
static int unstructure_unquoteBufSize = 100;

static int unstructure_tokrefs; // stats

abstract static class unstructure_Receiver {
  abstract void set(Object o);
}

// classFinder: func(name) -> class (optional)
static Object unstructure(String text, boolean allDynamic,
  Object classFinder) {
  if (text == null) return null;
  return unstructure_tok(javaTokC_noMLS_iterator(text), allDynamic, classFinder);
}

static Object unstructure_reader(BufferedReader reader) {
  return unstructure_tok(javaTokC_noMLS_onReader(reader), false, null);
}

static Object unstructure_tok(final Producer<String> tok, final boolean allDynamic, final Object _classFinder) {
  final boolean debug = unstructure_debug;
  
  final class X {
    int i = -1;
    final Object classFinder = _classFinder != null ? _classFinder : _defaultClassFinder();
    HashMap<Integer, Object> refs = new HashMap();
    HashMap<Integer, Object> tokrefs = new HashMap();
    HashSet<String> concepts = new HashSet();
    HashMap<String, Class> classesMap = new HashMap();
    List<Runnable> stack = new ArrayList();
    String curT;
    char[] unquoteBuf = new char[unstructure_unquoteBufSize];
    
    Class findAClass(String fullClassName) {
      return classFinder != null ? (Class) callF(classFinder, fullClassName) : findClass_fullName(fullClassName);
    }
    
    String unquote(String s) {
      return unquoteUsingCharArray(s, unquoteBuf); 
    }

    // look at current token
    String t() {
      return curT;
    }
    
    // get current token, move to next
    String tpp() {
      String t = curT;
      consume();
      return t;
    }
    
    void parse(final unstructure_Receiver out) {
      String t = t();
      
      int refID = 0;
      if (structure_isMarker(t, 0, l(t))) {
        refID = parseInt(t.substring(1));
        consume();
      }
      final int _refID = refID;
      
      // if (debug) print("parse: " + quote(t));
      
      final int tokIndex = i;  
      parse_inner(refID, tokIndex, new unstructure_Receiver() {
        void set(Object o) {
          if (_refID != 0)
            refs.put(_refID, o);
          if (o != null)
            tokrefs.put(tokIndex, o);
          out.set(o);
        }
      });
    }
    
    void parse_inner(int refID, int tokIndex, final unstructure_Receiver out) {
      String t = t();
      
      // if (debug) print("parse_inner: " + quote(t));
      
      Class c = classesMap.get(t);
      if (c == null) {
        if (t.startsWith("\"")) {
          String s = internIfLongerThan(unquote(tpp()), structure_internStringsLongerThan);
          out.set(s); return;
        }
        
        if (t.startsWith("'")) {
          out.set(unquoteCharacter(tpp())); return;
        }
        if (t.equals("bigint")) {
          out.set(parseBigInt()); return;
        }
        if (t.equals("d")) {
          out.set(parseDouble()); return;
        }
        if (t.equals("fl")) {
          out.set(parseFloat()); return;
        }
        if (t.equals("sh")) {
          consume();
          t = tpp();
          if (t.equals("-")) {
            t = tpp();
            out.set((short) (-parseInt(t))); return;
          }
          out.set((short) parseInt(t)); return;
        }
        if (t.equals("-")) {
          consume();
          t = tpp();
          out.set(isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t))); return;
        }
        if (isInteger(t) || isLongConstant(t)) {
          consume();
          //if (debug) print("isLongConstant " + quote(t) + " => " + isLongConstant(t));
          if (isLongConstant(t)) {
            out.set(parseLong(t)); return;
          }
          long l = parseLong(t);
          boolean isInt = l == (int) l;
          
          out.set(isInt ? (Object) Integer.valueOf((int) l) : (Object) Long.valueOf(l)); return;
        }
        if (t.equals("false") || t.equals("f")) {
          consume(); out.set(false); return;
        }
        if (t.equals("true") || t.equals("t")) {
          consume(); out.set(true); return;
        }
        if (t.equals("-")) {
          consume();
          t = tpp();
          out.set(isLongConstant(t) ? (Object) (-parseLong(t)) : (Object) (-parseInt(t))); return;
        }
        if (isInteger(t) || isLongConstant(t)) {
          consume();
          //if (debug) print("isLongConstant " + quote(t) + " => " + isLongConstant(t));
          if (isLongConstant(t)) {
            out.set(parseLong(t)); return;
          }
          long l = parseLong(t);
          boolean isInt = l == (int) l;
          
          out.set(isInt ? (Object) Integer.valueOf((int) l) : (Object) Long.valueOf(l)); return;
        }
        
        if (t.equals("File")) {
          consume();
          File f = new File(unquote(tpp()));
          out.set(f); return;
        }
        
        if (t.startsWith("r") && isInteger(t.substring(1))) {
          consume();
          int ref = Integer.parseInt(t.substring(1));
          Object o = refs.get(ref);
          if (o == null)
            throw fail("unsatisfied back reference " + ref);
          out.set(o); return;
        }
      
        if (t.startsWith("t") && isInteger(t.substring(1))) {
          consume();
          int ref = Integer.parseInt(t.substring(1));
          Object o = tokrefs.get(ref);
          if (o == null)
            throw fail("unsatisfied token reference " + ref + " at " + tokIndex);
          out.set(o); return;
        }
        
        if (t.equals("hashset")) { parseHashSet(out); return; }
        if (t.equals("lhs")) { parseLinkedHashSet(out); return; }
        if (t.equals("treeset")) { parseTreeSet(out); return; }
        if (t.equals("ciset")) { parseCISet(out); return; }
        
        if (eqOneOf(t, "hashmap", "hm")) {
          consume();
          parseMap(new HashMap(), out);
          return;
        }
        if (t.equals("lhm")) {
          consume();
          parseMap(new LinkedHashMap(), out);
          return;
        }
        if (t.equals("tm")) {
          consume();
          parseMap(new TreeMap(), out);
          return;
        }
        if (t.equals("cimap")) {
          consume();
          parseMap(ciMap(), out);
          return;
        }
        
        if (t.equals("ll")) {
          consume();
          { parseList(new LinkedList(), out); return; }
        }

        if (t.equals("syncLL")) { // legacy
          consume();
          { parseList(synchroLinkedList(), out); return; }
        }

        if (t.equals("sync")) {
          consume();
          { parse(new unstructure_Receiver() {
            void set(Object value) {
              if (value instanceof Map) {
                 // Java 7
                if (value instanceof NavigableMap)
                  { out.set(Collections.synchronizedNavigableMap((NavigableMap) value)); return; }
                
                if (value instanceof SortedMap)
                  { out.set(Collections.synchronizedSortedMap((SortedMap) value)); return; }
                { out.set(Collections.synchronizedMap((Map) value)); return; }
              } else
                { out.set(Collections.synchronizedList((List) value)); return; }
            }
          }); return; }
        }
        
        if (t.equals("{")) {
          parseMap(out); return;
        }
        if (t.equals("[")) {
          this.parseList(new ArrayList(), out); return;
        }
        if (t.equals("bitset")) {
          parseBitSet(out); return;
        }
        if (t.equals("array") || t.equals("intarray") || t.equals("dblarray")) {
          parseArray(out); return;
        }
        if (t.equals("ba")) {
          consume();
          String hex = unquote(tpp());
          out.set(hexToBytes(hex)); return;
        }
        if (t.equals("boolarray")) {
          consume();
          int n = parseInt(tpp());
          String hex = unquote(tpp());
          out.set(boolArrayFromBytes(hexToBytes(hex), n)); return;
        }
        if (t.equals("class")) {
          out.set(parseClass()); return;
        }
        if (t.equals("l")) {
          parseLisp(out); return;
        }
        if (t.equals("null")) {
          consume(); out.set(null); return;
        }
        
        if (eq(t, "c")) {
          consume();
          t = t();
          assertTrue(isJavaIdentifier(t));
          concepts.add(t);
        }
        
        // custom deserialization (new static method method)
        if (eq(t, "cu")) {
          consume();
          t = tpp();
          assertTrue(isJavaIdentifier(t));
          String fullClassName = "main$" + t;
          Class _c = findAClass(fullClassName);
          if (_c == null) throw fail("Class not found: " + fullClassName);
          parse(new unstructure_Receiver() {
            void set(Object value) {
              
              out.set(call(_c, "_deserialize", value));
            }
          });
          return;
        }
      }
      
      if (eq(t, "j")) {
        consume("j");
        out.set(parseJava()); return;
      }

      if (c == null && !isJavaIdentifier(t))
        throw new RuntimeException("Unknown token " + (i+1) + ": " + quote(t));
        
      // any other class name (or package name)
      consume();
      String className, fullClassName;
      
      // Is it a package name?
      if (eq(t(), ".")) {
        consume();
        className = fullClassName = t + "." + assertIdentifier(tpp());
      } else {
        className = t;
        fullClassName = "main$" + t;
      }
      
      if (c == null) {
        // First, find class
        if (allDynamic) c = null;
        else c = findAClass(fullClassName);
        if (c != null)
          classesMap.put(className, c);
      }
          
      // Check if it has an outer reference
      boolean hasBracket = eq(t(), "(");
      if (hasBracket) consume();
      boolean hasOuter = hasBracket && eq(t(), "this$1");
      
      DynamicObject dO = null;
      Object o = null;
      final String thingName = t;
      if (c != null) {
        o = hasOuter ? nuStubInnerObject(c, classFinder) : nuEmptyObject(c);
        if (o instanceof DynamicObject) dO = (DynamicObject) o;
      } else {
        if (concepts.contains(t) && (c = findAClass("main$Concept")) != null)
          o = dO = (DynamicObject) nuEmptyObject(c);
        else
          dO = new DynamicObject();
        dO.className = className;
        
      }
      
      // Save in references list early because contents of object
      // might link back to main object
      
      if (refID != 0)
        refs.put(refID, o != null ? o : dO);
      tokrefs.put(tokIndex, o != null ? o : dO);
      
      // NOW parse the fields!
      
      final LinkedHashMap<String, Object> fields = new LinkedHashMap(); // preserve order
      final Object _o = o;
      final DynamicObject _dO = dO;
      if (hasBracket) {
        stack.add(new Runnable() {  public void run() { try { 
          
          if (eq(t(), ",")) consume();
          if (eq(t(), ")")) {
            consume(")");
            objRead(_o, _dO, fields, hasOuter);
            out.set(_o != null ? _o : _dO);
          } else {
            final String key = unquote(tpp());
            String t = tpp();
            if (!eq(t, "="))
              throw fail("= expected, got " + t + " after " + quote(key) + " in object " + thingName /*+ " " + sfu(fields)*/);
            stack.add(this);
            parse(new unstructure_Receiver() {
              void set(Object value) {
                fields.put(key, value);
                /*ifdef unstructure_debug
                  print("Got field value " + value + ", next token: " + t());
                endifdef*/
                //if (eq(t(), ",")) consume();
              }
            });
          }
        
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "ifdef unstructure_debug\r\n            print(\"in object values, token: \" + t())..."; }});
      } else {
        objRead(o, dO, fields, hasOuter);
        out.set(o != null ? o : dO);
      }
    }
    
    void objRead(Object o, DynamicObject dO, Map<String, Object> fields, boolean hasOuter) {
      
      if (o != null) {
        if (dO != null) {
          
          setOptAllDyn(dO, fields);
        } else {
          setOptAll_pcall(o, fields);
          
        }
        if (hasOuter)
          fixOuterRefs(o);
      } else for (Map.Entry<String, Object> e : fields.entrySet())
        setDynObjectValue(dO, intern(e.getKey()), e.getValue());

      if (o != null)
        pcallOpt_noArgs(o, "_doneLoading");
    }
    
    void parseSet(final Set set, final unstructure_Receiver out) {
      this.parseList(new ArrayList(), new unstructure_Receiver() {
        void set(Object o) {
          set.addAll((List) o);
          out.set(set);
        }
      });
    }
    
    void parseLisp(final unstructure_Receiver out) {
      
      
      throw fail("class Lisp not included");
    }
    
    void parseBitSet(final unstructure_Receiver out) {
      consume("bitset");
      consume("{");
      final BitSet bs = new BitSet();
      stack.add(new Runnable() {  public void run() { try { 
        if (eq(t(), "}")) {
          consume("}");
          out.set(bs);
        } else {
          stack.add(this);
          parse(new unstructure_Receiver() {
            void set(Object o) {
              bs.set((Integer) o);
              if (eq(t(), ",")) consume();
            }
          });
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (eq(t(), \"}\")) {\r\n          consume(\"}\");\r\n          out.set(bs);\r\n       ..."; }});
    }
    
    void parseList(final List list, final unstructure_Receiver out) {
      tokrefs.put(i, list);
      consume("[");
      stack.add(new Runnable() {  public void run() { try { 
        if (eq(t(), "]")) {
          consume();
          
          out.set(list);
        } else {
          stack.add(this);
          parse(new unstructure_Receiver() {
            void set(Object o) {
              //if (debug) print("List element type: " + getClassName(o));
              list.add(o);
              if (eq(t(), ",")) consume();
            }
          });
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (eq(t(), \"]\")) {\r\n          consume();\r\n          ifdef unstructure_debug\r..."; }});
    }
    
    void parseArray(final unstructure_Receiver out) {
      final String type = tpp();
      consume("{");
      final List list = new ArrayList();
      
      stack.add(new Runnable() {  public void run() { try { 
        if (eq(t(), "}")) {
          consume("}");
          out.set(
            type.equals("intarray") ? toIntArray(list)
            : type.equals("dblarray") ? toDoubleArray(list)
            : list.toArray());
        } else {
          stack.add(this);
          parse(new unstructure_Receiver() {
            void set(Object o) {
              list.add(o);
              if (eq(t(), ",")) consume();
            }
          });
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (eq(t(), \"}\")) {\r\n          consume(\"}\");\r\n          out.set(\r\n           ..."; }});
    }
    
    Object parseClass() {
      consume("class");
      consume("(");
      String name = unquote(tpp());
      consume(")");
      Class c = allDynamic ? null : findAClass(name);
      if (c != null) return c;
      DynamicObject dO = new DynamicObject();
      dO.className = "java.lang.Class";
      name = dropPrefix("main$", name);
      dO.fieldValues.put("name", name);
      return dO;
    }
    
    Object parseBigInt() {
      consume("bigint");
      consume("(");
      String val = tpp();
      if (eq(val, "-"))
        val = "-" + tpp();
      consume(")");
      return new BigInteger(val);
    }
    
    Object parseDouble() {
      consume("d");
      consume("(");
      String val = unquote(tpp());
      consume(")");
      return Double.parseDouble(val);
    }
    
    Object parseFloat() {
      consume("fl");
      String val;
      if (eq(t(), "(")) {
        consume("(");
        val = unquote(tpp());
        consume(")");
      } else {
        val = unquote(tpp());
      }
      return Float.parseFloat(val);
    }
    
    void parseHashSet(unstructure_Receiver out) {
      consume("hashset");
      parseSet(new HashSet(), out);
    }
    
    void parseLinkedHashSet(unstructure_Receiver out) {
      consume("lhs");
      parseSet(new LinkedHashSet(), out);
    }
    
    void parseTreeSet(unstructure_Receiver out) {
      consume("treeset");
      parseSet(new TreeSet(), out);
    }
    
    void parseCISet(unstructure_Receiver out) {
      consume("ciset");
      parseSet(ciSet(), out);
    }
    
    void parseMap(unstructure_Receiver out) {
      parseMap(new TreeMap(), out);
    }
    
    Object parseJava() {
      String j = unquote(tpp());
      Matches m = new Matches();
      if (jmatch("java.awt.Color[r=*,g=*,b=*]", j, m))
        return nuObject("java.awt.Color", parseInt(m.unq(0)), parseInt(m.unq(1)), parseInt(m.unq(2)));
      else {
        warn("Unknown Java object: " + j);
        return null;
      }
    }
    
    void parseMap(final Map map, final unstructure_Receiver out) {
      consume("{");
      stack.add(new Runnable() {
        boolean v = false;
        Object key;
        
        public void run() { 
          if (v) {
            v = false;
            stack.add(this);
            if (!eq(tpp(), "="))
              throw fail("= expected, got " + t() + " in map of size " + l(map));

            parse(new unstructure_Receiver() {
              void set(Object value) {
                map.put(key, value);
                
                if (eq(t(), ",")) consume();
              }
            });
          } else {
            if (eq(t(), "}")) {
              consume("}");
              out.set(map);
            } else {
              v = true;
              stack.add(this);
              parse(new unstructure_Receiver() {
                void set(Object o) {
                  key = o;
                }
              });
            }
          } // if v else
        } // run()
      });
    }
    
    /*void parseSub(unstructure_Receiver out) {
      int n = l(stack);
      parse(out);
      while (l(stack) > n)
        stack
    }*/
    
    void consume() { curT = tok.next(); ++i; }
    
    void consume(String s) {
      if (!eq(t(), s)) {
        /*S prevToken = i-1 >= 0 ? tok.get(i-1) : "";
        S nextTokens = join(tok.subList(i, Math.min(i+2, tok.size())));
        fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");*/
        throw fail(quote(s) + " expected, got " + quote(t()));
      }
      consume();
    }
    
    // outer wrapper function getting first token and unwinding the stack
    void parse_initial(unstructure_Receiver out) {
      consume(); // get first token
      parse(out);
      while (nempty(stack))
        popLast(stack).run();
    }
  }
  
  ThreadLocal<Boolean> tlLoading = dynamicObjectIsLoading_threadLocal();
  Boolean b = tlLoading.get();
  tlLoading.set(true);
  try {
    final Var v = new Var();
    X x = new X();
    x.parse_initial(new unstructure_Receiver() {
      void set(Object o) { v.set(o); }
    });
    unstructure_tokrefs = x.tokrefs.size();
    return v.get();
  } finally {
    tlLoading.set(b);
  }
}

static boolean unstructure_debug = false;
static List<String> tok_joinMinusIdentifiers(List<String> tok) {
  for (int i = 1; i+4 < l(tok); i += 2)
    if (isMinusIdentifier(get(tok, i)) && eq(get(tok, i+2), "-") && isIdentifier(get(tok, i+4))) {
      replaceSublist(tok, i, i+5, ll(join(subList(tok, i, i+5))));
      i -= 2;
    }
  return tok;
}
static List<String> htmlFineTok(String s) {
  List<String> tok = new ArrayList();
  int l = s.length();
  
  int i = 0, n = 0;
  while (i < l) {
    int j = i;
    char c, d;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      d = j+1 >= l ? '\0' : s.charAt(j+1);
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else
        break;
    }
    
    tok.add(quickSubstring(s, i, j));
    ++n;
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    d = i+1 >= l ? '\0' : s.charAt(i+1);

    // scan for non-whitespace
    
    if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        if (s.charAt(j) == opener /*|| s.charAt(j) == '\n'*/) { // allow multi-line strings
          ++j;
          break;
        } else if (s.charAt(j) == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't"
    else if (Character.isDigit(c)) {
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
    } else
      ++j;
      
    tok.add(quickSubstring(s, i, j));
    ++n;
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  return tok;
}
static boolean isMinusIdentifier(String s) {
  if (empty(s)) return false;
  if (!Character.isJavaIdentifierStart(s.charAt(0))
    && !s.startsWith("-"))
    return false;
  for (int i = 1; i < s.length(); i++)
    if (!Character.isJavaIdentifierPart(s.charAt(i)) && s.charAt(i) != '-')
      return false;
  return true;
}
static String htmlunquote(String s) {
  if (s.startsWith("'") && s.endsWith("'") && s.length() >= 2
    || s.startsWith("\"") && s.endsWith("\"") && s.length() >= 2)
    s = s.substring(1, s.length()-1);
  return htmldecode(s);
}


static TimeZone getTimeZone(String name) {
  return TimeZone.getTimeZone(name);
}
static String standardTimeZone_name = "Europe/Berlin";

static String standardTimeZone() {
  return standardTimeZone_name;
}
static int lastIndexOf(String a, String b) {
  return a == null || b == null ? -1 : a.lastIndexOf(b);
}

static int lastIndexOf(String a, char b) {
  return a == null ? -1 : a.lastIndexOf(b);
}

// starts searching from i-1
static <A> int lastIndexOf(List<A> l, int i, A a) {
  if (l == null) return -1;
  for (i = min(l(l), i)-1; i >= 0; i--)
    if (eq(l.get(i), a))
      return i;
  return -1;
}
static List<String> mechList_opt_tlft(String name) {
  return mechList_opt_tlft_cached(name);
}
static boolean isLocalSnippetID(String snippetID) {
  return isSnippetID(snippetID) && isLocalSnippetID(psI(snippetID));
}

static boolean isLocalSnippetID(long snippetID) {
  return snippetID >= 1000 && snippetID <= 9999;
}
static String loadLocalSnippet(String snippetID) {
  return loadLocalSnippet(psI(snippetID));
}

static String loadLocalSnippet(long snippetID) {
  return loadTextFile(localSnippetFile(snippetID));
}
static String standardCredentials() {
  String user = standardCredentialsUser();
  String pass = standardCredentialsPass();
  if (nempty(user) && nempty(pass))
    return "&_user=" + urlencode(user) + "&_pass=" + urlencode(pass);
  return "";
}
static File getGlobalCache() {
  File file = new File(javaxCachesDir(), "Binary Snippets");
  file.mkdirs();
  return file;
}

static String[] codeTokensAsStringArray(List<String> tok) {
  int n = max(0, (l(tok)-1)/2);
  String[] out = new String[n];
  for (int i = 0; i < n; i++)
    out[i] = tok.get(i*2+1);
  return out;
}
// syntax 1: replace all occurrences of x in l with y
static <A> List<A> replaceSublist(List<A> l, List<A> x, List<A> y) {
  if (x == null) return l;
  
  int i = 0;
  while (true) {
    i = indexOfSubList(l, x, i);
    if (i < 0) break;
    
    replaceSublist(l, i, i+l(x), y);
    i += l(y);
  }
  return l;
}

// syntax 2: splice l at fromIndex-toIndex and replace middle part with y
static <A> List<A> replaceSublist(List<A> l, int fromIndex, int toIndex, List<A> y) {
  int n = y.size(), toIndex_new = fromIndex+n;
  if (toIndex_new < toIndex) {
    removeSubList(l, toIndex_new, toIndex);
    copyListPart(y, 0, l, fromIndex, n);
  } else {
    copyListPart(y, 0, l, fromIndex, toIndex-fromIndex);
    if (toIndex_new > toIndex)
      l.addAll(toIndex, subList(y, toIndex-fromIndex));
  }
  return l;
}


static <A> List<A> replaceSublist(List<A> l, IntRange r, List<A> y) {
  return replaceSublist(l, r.start, r.end, y);
}

static String quickSubstring(String s, int i, int j) {
  if (i == j) return "";
  return s.substring(i, j);
}
static String loadTextFilePossiblyGZipped(String fileName) {
  return loadTextFilePossiblyGZipped(fileName, null);
}
  
static String loadTextFilePossiblyGZipped(String fileName, String defaultContents) {
  File gz = new File(fileName + ".gz");
  return gz.exists() ? loadGZTextFile(gz) : loadTextFile(fileName, defaultContents);
}

static String loadTextFilePossiblyGZipped(File fileName) {
  return loadTextFilePossiblyGZipped(fileName, null);
}

static String loadTextFilePossiblyGZipped(File fileName, String defaultContents) {
  return loadTextFilePossiblyGZipped(fileName.getPath(), defaultContents);
}

static File getCachedTranspilationFile(String id) {
  return newFile(getCodeProgramDir(id), "Transpilation");
}

static Object vmGeneralMap_get(Object key) {
  return vm_generalMap_get(key);
}
static String loadProgramTextFile(String name) {
  return loadTextFile(getProgramFile(name));
}

static String loadProgramTextFile(String progID, String name) {
  return loadTextFile(getProgramFile(progID, name));
}

static String loadProgramTextFile(String progID, String name, String defaultText) {
  return loadTextFile(getProgramFile(progID, name), defaultText);
}
static String loadPage_utf8(URL url) {
  return loadPage_utf8(url.toString());
}

static String loadPage_utf8(String url) {
   AutoCloseable __1 = tempSetTL(loadPage_charset, "UTF-8"); try {
  return loadPage(url);
} finally { _close(__1); }}

static String loadPage_utf8(URLConnection con, URL url, boolean addHeaders) throws IOException {
   AutoCloseable __2 = tempSetTL(loadPage_charset, "UTF-8"); try {
  return loadPage(con, url, addHeaders);
} finally { _close(__2); }}
static void saveTranspiledCode(String progID, String code) {
  File dir = getCodeProgramDir(progID);
  new File(dir, "Transpilation").delete();
  saveGZTextFile(new File(dir, "Transpilation.gz"), code);
}
static <A> boolean addToCollection(Collection<A> c, A a) {
  return c != null && c.add(a);
}
static String localSnippetTitle(String snippetID) {
  if (!isLocalSnippetID(snippetID)) return null;
  File f = localSnippetFile(snippetID);
  if (!f.exists()) return null;
  return or2(getFileInfoField(dropExtension(f), "Title"), "Unnamed");
}
static String muricaCredentialsQuery() {
  return htmlQuery(muricaCredentials());
}
static boolean isGeneralFileServerSnippet(long id) {
  return id >= 1400000 && id < 1500000;
}
static String standardCredentials_noCookies() {
  return standardCredentials() + "&noCookies=1";
}
static boolean saveTextFileIfChanged(File f, String contents) {
  return saveTextFileIfDifferent(f, contents);
}
static File snippetTitle_cacheFile(String snippetID) {
  return javaxCachesDir("Snippet Titles/" + psI(snippetID));
}
static Runnable _topLevelErrorHandling(final Runnable runnable) {
  final Object info = _threadInfo();
  return new Runnable() {  public void run() { try { 
    try {
      _threadInheritInfo(info);
      runnable.run();
    } catch (Throwable __e) { _handleException(__e); }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "pcall {\r\n      _threadInheritInfo(info);\r\n      runnable.run();\r\n    }"; }};
}
static Map vm_generalWeakSubMap(Object name) {
  synchronized(get(javax(), "generalMap")) {
    Map map =  (Map) (vm_generalMap_get(name));
    if (map == null)
      vm_generalMap_put(name, map = newWeakMap());
    return map;
  }
}

static <A> WeakReference<A> weakRef(A a) {
  return newWeakReference(a);
}


static Object pcallFunction(Object f, Object... args) {
  try { return callFunction(f, args); } catch (Throwable __e) { _handleException(__e); }
  return null;
}
static <A> Set<A> syncIdentityHashSet() {
  return (Set) synchronizedSet(identityHashSet());
}
static Map syncHashMap() {
  return synchroHashMap();
}
static boolean emptyString(String s) {
  return s == null || s.length() == 0;
}
static boolean checkTokCondition(Object condition, List<String> tok, int i) {
  if (condition instanceof TokCondition)
    return ((TokCondition) condition).get(tok, i);
  return checkCondition(condition, tok, i);
}
static <A> void replaceCollection(Collection<A> dest, Collection<A> src) {
  if (dest == src) return;
  dest.clear();
  dest.addAll(src);
}
static void replaceListPart(List l, int i, int j, List l2) {
  replaceSublist(l, i, j, l2);
}
static Object sleepQuietly_monitor = new Object();

static void sleepQuietly() { try {
  assertFalse(isAWTThread());
  synchronized(sleepQuietly_monitor) { sleepQuietly_monitor.wait(); }
} catch (Exception __e) { throw rethrow(__e); } }
static String _computerID;
static Lock computerID_lock = lock();

public static String computerID() {
  if (_computerID == null) {
    Lock __0 = computerID_lock; lock(__0); try {
    if (_computerID != null) return _computerID;
    File file = computerIDFile();
    _computerID = loadTextFile(file.getPath());
    if (_computerID == null) {
      // legacy load
      _computerID = loadTextFile(userDir(".tinybrain/computer-id"));
      if (_computerID == null)
        _computerID = makeRandomID(12, new SecureRandom());
      saveTextFile(file, _computerID);
    }
  } finally { unlock(__0); } }
  return _computerID;
}
static <A, B> B mapPutOrRemove(Map<A, B> map, A key, B value) {
  if (map != null && key != null)
    if (value != null) return map.put(key, value);
    else return map.remove(key);
  return null;
}
static String joinNempties(String sep, String... strings) {
  return joinStrings(sep, strings);
}

static String joinNempties(String sep, Collection<String> strings) {
  return joinStrings(sep, strings);
}
static String stream2string(InputStream in) {
  return utf8streamToString(in);
}
static String makePostData(Map<Object, Object> map) {
  StringBuilder buf = new StringBuilder();
  for (Map.Entry<Object, Object> e : map.entrySet()) {
    String key =  (String) (e.getKey());
    Object val = e.getValue();
    if (val != null) {
      String value = str(val);
      if (nempty(buf)) buf.append("&");
      buf.append(urlencode(key)).append("=").append(urlencode(/*escapeMultichars*/(value)));
    }
  }
  return str(buf);
}

static String makePostData(Object... params) {
  StringBuilder buf = new StringBuilder();
  int n = l(params);
  for (int i = 0; i+1 < n; i += 2) {
    String key =  (String) (params[i]);
    Object val = params[i+1];
    if (val != null) {
      String value = str(val);
      if (nempty(buf)) buf.append("&");
      buf.append(urlencode(key)).append("=").append(urlencode(/*escapeMultichars*/(value)));
    }
  }
  return str(buf);

}

static int lUtf8(String s) {
  return l(utf8(s));
}
static File[] listFiles(File dir) {
  File[] files = dir.listFiles();
  return files == null ? new File[0] : files;
}

static File[] listFiles(String dir) {
  return listFiles(new File(dir));
}
static int parseFirstInt(String s) {
  return parseInt(jextract("<int>", s));
}

static int parseFirstInt(Iterable<String> l) {
  return parseInt(firstIntegerString(l));
}
static <A, B> List<B> valuesList(Map<A, B> map) {
  return cloneListSynchronizingOn(values(map), map);
}


static <A, B> List<B> valuesList(MultiMap<A, B> mm) {
  return mm == null ? emptyList() : concatLists(values(mm.data));
}

static Producer<String> javaTokC_noMLS_iterator(final String s) {
  return javaTokC_noMLS_iterator(s, 0);
}

static Producer<String> javaTokC_noMLS_iterator(final String s, final int startIndex) {
  return new Producer<String>() {
    final int l = s.length();
    int i = startIndex;
    
    public String next() {
      if (i >= l) return null;
      
      int j = i;
      char c, d;
      
      // scan for whitespace
      while (j < l) {
        c = s.charAt(j);
        d = j+1 >= l ? '\0' : s.charAt(j+1);
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (c == '/' && d == '*') {
          do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
          j = Math.min(j+2, l);
        } else if (c == '/' && d == '/') {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      
      i = j;
      if (i >= l) return null;
      c = s.charAt(i);
      d = i+1 >= l ? '\0' : s.charAt(i+1);
  
      // scan for non-whitespace
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
            ++j;
            break;
          } else if (s.charAt(j) == '\\' && j+1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isJavaIdentifierStart(c))
        do ++j; while (j < l && Character.isJavaIdentifierPart(s.charAt(j)));
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
      } else
        ++j;
        
      String t = quickSubstring(s, i, j);
      i = j;
      return t;
    }
  };
}

static Producer<String> javaTokC_noMLS_onReader(final BufferedReader r) {
  final class X implements Producer<String> {
    StringBuilder buf = new StringBuilder(); // stores from "i"
    char c, d, e = 'x'; // just not '\0'
    
    X() {
      // fill c, d and e
      nc();
      nc();
      nc();
    }
    
    // get next character(s) into c, d and e
    void nc() { try {
      c = d;
      d = e;
      if (e == '\0') return;
      int i = r.read();
      e = i < 0 ? '\0'
        : i == '\0' ? '_' // shouldn't happen anymore
        : (char) i;
    } catch (Exception __e) { throw rethrow(__e); } }
    
    void ncSave() {
      if (c != '\0') {
        buf.append(c);
        nc();
      }
    }
    
    public String next() {
      // scan for whitespace
      while (c != '\0') {
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          nc();
        else if (c == '/' && d == '*') {
          do nc(); while (c != '\0' && !(c == '*' && d == '/'));
          nc(); nc();
        } else if (c == '/' && d == '/') {
          do nc(); while (c != '\0' && "\r\n".indexOf(c) < 0);
        } else
          break;
      }
      
      if (c == '\0') return null;

      // scan for non-whitespace
      if (c == '\'' || c == '"') {
        char opener = c;
        ncSave();
        while (c != '\0') {
          if (c == opener || c == '\n') { // end at \n to not propagate unclosed string literal errors
            ncSave();
            break;
          } else if (c == '\\') {
            ncSave();
            ncSave();
          } else
            ncSave();
        }
      } else if (Character.isJavaIdentifierStart(c))
        do ncSave(); while (Character.isJavaIdentifierPart(c) || c == '\''); // for stuff like "don't"
      else if (Character.isDigit(c)) {
        do ncSave(); while (Character.isDigit(c));
        if (c == 'L') ncSave(); // Long constants like 1L
      } else
        ncSave();
        
      String t = buf.toString();
      buf.setLength(0);
      return t;
    }
  }
  
  return new X();
}

static Object _defaultClassFinder_value = defaultDefaultClassFinder();

static Object _defaultClassFinder() {
  return _defaultClassFinder_value;
}
static HashMap<String, Class> findClass_fullName_cache = new HashMap();

// returns null on not found
// this is the simple version that is not case-tolerant
static Class findClass_fullName(String name) {
  synchronized(findClass_fullName_cache) {
    if (findClass_fullName_cache.containsKey(name))
      return findClass_fullName_cache.get(name);
      
    Class c;
    try {
      c = Class.forName(name);
    } catch (ClassNotFoundException e) {
      c = null;
    }
    findClass_fullName_cache.put(name, c);
    return c;
  }
}
static String unquoteUsingCharArray(String s, char[] buf) {
  if (s == null) return null;
  if (startsWith(s, '[')) {
    int i = 1;
    while (i < s.length() && s.charAt(i) == '=') ++i;
    if (i < s.length() && s.charAt(i) == '[') {
      String m = s.substring(1, i);
      if (s.endsWith("]" + m + "]"))
        return s.substring(i+1, s.length()-i-1);
    }
  }
  
  if (s.length() > 1) {
    char c = s.charAt(0);
    if (c == '\"' || c == '\'') {
      int l = endsWith(s, c) ? s.length()-1 : s.length();
      if (l > buf.length) return unquote(s); // fallback
      int n = 0;
  
      for (int i = 1; i < l; i++) {
        char ch = s.charAt(i);
        if (ch == '\\') {
          char nextChar = (i == l - 1) ? '\\' : s.charAt(i + 1);
          // Octal escape?
          if (nextChar >= '0' && nextChar <= '7') {
              String code = "" + nextChar;
              i++;
              if ((i < l - 1) && s.charAt(i + 1) >= '0'
                      && s.charAt(i + 1) <= '7') {
                  code += s.charAt(i + 1);
                  i++;
                  if ((i < l - 1) && s.charAt(i + 1) >= '0'
                          && s.charAt(i + 1) <= '7') {
                      code += s.charAt(i + 1);
                      i++;
                  }
              }
              buf[n++] = (char) Integer.parseInt(code, 8);
              continue;
          }
          switch (nextChar) {
          case '\"': ch = '\"'; break;
          case '\\': ch = '\\'; break;
          case 'b': ch = '\b'; break;
          case 'f': ch = '\f'; break;
          case 'n': ch = '\n'; break;
          case 'r': ch = '\r'; break;
          case 't': ch = '\t'; break;
          case '\'': ch = '\''; break;
          // Hex Unicode: u????
          case 'u':
              if (i >= l - 5) {
                  ch = 'u';
                  break;
              }
              int code = Integer.parseInt(
                      "" + s.charAt(i + 2) + s.charAt(i + 3)
                         + s.charAt(i + 4) + s.charAt(i + 5), 16);
              char[] x = Character.toChars(code);
              int lx = x.length;
              for (int j = 0; j < lx; j++)
                buf[n++] = x[j];
              i += 5;
              continue;
          default:
            ch = nextChar; // added by Stefan
          }
          i++;
        }
        buf[n++] = ch;
      }
      return new String(buf, 0, n);
    }
  }
    
  return s; // not quoted - return original
}
static boolean structure_isMarker(String s, int i, int j) {
  if (i >= j) return false;
  if (s.charAt(i) != 'm') return false;
  ++i;
  while (i < j) {
    char c = s.charAt(i);
    if (c < '0' || c > '9') return false;
    ++i;
  }
  return true;
}
static String internIfLongerThan(String s, int l) {
  return s == null ? null : l(s) >= l ? intern(s) : s;
}
static char unquoteCharacter(String s) {
  assertTrue(s.startsWith("'") && s.length() > 1);
  return unquote("\"" + s.substring(1, s.endsWith("'") ? s.length()-1 : s.length()) + "\"").charAt(0);
}
static BigInteger parseBigInt(String s) {
  return new BigInteger(s);
}
static double parseDouble(String s) {
  return Double.parseDouble(s);
}
static float parseFloat(String s) {
  return Float.parseFloat(s);
}
static boolean isLongConstant(String s) {
  if (!s.endsWith("L")) return false;
  s = s.substring(0, l(s)-1);
  return isInteger(s);
}
static <A> TreeMap<String, A> ciMap() {
  return caseInsensitiveMap();
}
static List parseList(String s) {
  return (List) safeUnstructure(s);
}
static <A> List<A> synchroLinkedList() {
  return Collections.synchronizedList(new LinkedList<A>());
}

static byte[] hexToBytes(String s) {
  if (odd(l(s))) throw fail("Hex string has odd length: " + quote(shorten(10, s)));
  int n = l(s) / 2;
  byte[] bytes = new byte[n];
  for (int i = 0; i < n; i++) {
    int a = parseHexChar(s.charAt(i*2));
    int b = parseHexChar(s.charAt(i*2+1));
    if (a < 0 || b < 0)
      throw fail("Bad hex byte: " + quote(substring(s, i*2, i*2+2)) + " at " + i*2 + "/" + l(s));
    bytes[i] = (byte) ((a << 4) | b);
  }
  return bytes;
}
static boolean[] boolArrayFromBytes(byte[] a, int n) {
  boolean[] b = new boolean[n];
  int m = min(n, l(a)*8);
  for (int i = 0; i < m; i++)
    b[i] = (a[i/8] & 1 << (i & 7)) != 0;
  return b;
}
static <A> A nuStubInnerObject(Class<A> c) {
  return nuStubInnerObject(c, null);
}

static <A> A nuStubInnerObject(Class<A> c, Object classFinder) { try {
  Class outerType = getOuterClass(c, classFinder);
  Constructor m = c.getDeclaredConstructor(outerType);
  makeAccessible(m);
  return (A) m.newInstance(new Object[] {null});
} catch (Exception __e) { throw rethrow(__e); } }
static Map<Class, Constructor> nuEmptyObject_cache = newDangerousWeakHashMap();

static <A> A nuEmptyObject(Class<A> c) { try {
  Constructor ctr;
  
  synchronized(nuEmptyObject_cache) {
    ctr = nuEmptyObject_cache.get(c);
    if (ctr == null) {
      nuEmptyObject_cache.put(c, ctr = nuEmptyObject_findConstructor(c));
      makeAccessible(ctr);
    }
  }

  try {
    return (A) ctr.newInstance();
  } catch (InstantiationException e) {
    if (empty(e.getMessage()))
      if ((c.getModifiers() & Modifier.ABSTRACT) != 0)
        throw fail("Can't instantiate abstract class " + className(c), e);
      else
        throw fail("Can't instantiate " + className(c), e);  
    else throw rethrow(e);
  }
} catch (Exception __e) { throw rethrow(__e); } }

static Constructor nuEmptyObject_findConstructor(Class c) {
  for (Constructor m : c.getDeclaredConstructors())
    if (m.getParameterTypes().length == 0)
      return m;
  throw fail("No default constructor declared in " + c.getName());
}

static void setOptAllDyn(DynamicObject o, Map<String, Object> fields) {
  if (fields == null) return;
  HashMap<String, Field> fieldMap = instanceFieldsMap(o);
  for (Map.Entry<String, Object> e : fields.entrySet()) {
    String field = e.getKey();
    Object val = e.getValue();
    boolean has = fieldMap.containsKey(field);
    if (has)
      setOpt(o, field, val);
    else {
      o.fieldValues = syncMapPut2_createLinkedHashMap(o.fieldValues, intern(field), val);
      
    }
  }
}
static void setOptAll_pcall(Object o, Map<String, Object> fields) {
  if (fields == null) return;
  for (String field : keys(fields))
    try { setOpt(o, field, fields.get(field)); } catch (Throwable __e) { print(exceptionToStringShort(__e)); }
}

static void setOptAll_pcall(Object o, Object... values) {
  //values = expandParams(c.getClass(), values);
  warnIfOddCount(values);
  for (int i = 0; i+1 < l(values); i += 2) {
    String field = (String) values[i];
    Object value = values[i+1];
    try { setOpt(o, field, value); } catch (Throwable __e) { print(exceptionToStringShort(__e)); }
  }
}
static void fixOuterRefs(Object o) { try {
  if (o == null) return;
  Field[] l = thisDollarOneFields(o.getClass());
  if (l.length <= 1) return;
  Object father = null;
  for (Field f : l) {
    father = f.get(o);
    if (father != null) break;
  }
  if (father == null) return;
  for (Field f : l)
    f.set(o, father);
} catch (Exception __e) { throw rethrow(__e); } }
static void setDynObjectValue(DynamicObject o, String field, Object value) {
  o.fieldValues = syncMapPut2_createLinkedHashMap(o.fieldValues, field, value);
}
static String intern(String s) {
  return fastIntern(s);
}
static void pcallOpt_noArgs(Object o, String method) {
  try { callOpt_noArgs(o, method); } catch (Throwable __e) { _handleException(__e); }
}
static int[] toIntArray(Collection<Integer> l) {
  int[] a = new int[l(l)];
  int i = 0;
  if (a.length != 0) for (int x : l)
    a[i++] = x;
  return a;
}
static double[] toDoubleArray(Collection<Double> l) {
  double[] a = new double[l(l)];
  int i = 0;
  if (a.length != 0) for (double x : l)
    a[i++] = x;
  return a;
}
static TreeSet<String> ciSet() {
  return caseInsensitiveSet();
}
static boolean jmatch(String pat, String s) {
  return jmatch(pat, s, null);
}

static boolean jmatch(String pat, String s, Matches matches) {
  if (s == null) return false;
  return jmatch(pat, javaTok(s), matches);
}

static boolean jmatch(String pat, List<String> toks) {
  return jmatch(pat, toks, null);
}

static boolean jmatch(String pat, List<String> toks, Matches matches) {
  List<String> tokpat = javaTok(pat);
  String[] m = match2(tokpat, toks);
  //print(structure(tokpat) + " on " + structure(toks) + " => " + structure(m));
  if (m == null)
    return false;
  else {
    if (matches != null) matches.m = m;
    return true;
  }
}
static Object nuObject(String className, Object... args) { try {
  return nuObject(classForName(className), args);
} catch (Exception __e) { throw rethrow(__e); } }

// too ambiguous - maybe need to fix some callers
/*static O nuObject(O realm, S className, O... args) {
  ret nuObject(_getClass(realm, className), args);
}*/

static <A> A nuObject(Class<A> c, Object... args) { try {
  if (args.length == 0) return nuObjectWithoutArguments(c); // cached!
  
  Constructor m = nuObject_findConstructor(c, args);
  makeAccessible(m);
  return (A) m.newInstance(args);
} catch (Exception __e) { throw rethrow(__e); } }

static Constructor nuObject_findConstructor(Class c, Object... args) {
  for (Constructor m : c.getDeclaredConstructors()) {
    if (!nuObject_checkArgs(m.getParameterTypes(), args, false))
      continue;
    return m;
  }
  throw fail("Constructor " + c.getName() + getClasses(args) + " not found"
    + (args.length == 0 && (c.getModifiers() & java.lang.reflect.Modifier.STATIC) == 0 ? " - hint: it's a non-static class!" : ""));
}

 static boolean nuObject_checkArgs(Class[] types, Object[] args, boolean debug) {
    if (types.length != args.length) {
      if (debug)
        System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
      return false;
    }
    for (int i = 0; i < types.length; i++)
      if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
        if (debug)
          System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
        return false;
      }
    return true;
  }
static ThreadLocal<Boolean> dynamicObjectIsLoading_threadLocal() { 
  return DynamicObject_loading;
}


static Map<String, MechListDependentCache<List<String>>> mechList_opt_tlft_cached_cache = ciMap();
static Lock mechList_opt_tlft_cached_lock = lock();

static List<String> mechList_opt_tlft_cached(String name) {
  MechListDependentCache<List<String>> listCache;
  {
    Lock __0 = mechList_opt_tlft_cached_lock; lock(__0); try {
    listCache = mechList_opt_tlft_cached_cache.get(name);
    if (listCache == null)
       mechList_opt_tlft_cached_cache.put(name, listCache
        = new MechListDependentCache(name, new F1<String, List < String >>() { public List < String > get(String x) { try {  return tlft(x);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "tlft(x)"; }}));
  } finally { unlock(__0); } }
  return listCache.get();
}


static long psI(String snippetID) {
  return parseSnippetID(snippetID);
}
static File localSnippetFile(long snippetID) {
  return localSnippetsDir(snippetID + ".text");
}

static File localSnippetFile(String snippetID) {
  return localSnippetFile(parseSnippetID(snippetID));
}
static String standardCredentialsUser() {
  return trim(loadTextFile(
    oneOfTheFiles(
      javaxSecretDir("tinybrain-username"),
      userDir(".tinybrain/username"))));
}
static String standardCredentialsPass() {
  return trim(loadTextFile(
    oneOfTheFiles(
      javaxSecretDir("tinybrain-userpass"),
      userDir(".tinybrain/userpass"))));
}
static <A, B extends A> void copyListPart(List<B> a, int i1, List<A> b, int i2, int n) {
  if (a == null || b == null) return;
  for (int i = 0; i < n; i++)
    b.set(i2+i, a.get(i1+i));
}
static String loadGZTextFile(File file) { try {
  if (!file.isFile()) return null;
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  InputStream fis = new FileInputStream(file);
  GZIPInputStream gis = newGZIPInputStream(fis);
  try {
    byte[] buffer = new byte[1024];
    int len;
    while((len = gis.read(buffer)) != -1){
        baos.write(buffer, 0, len);
    }
  } finally {
    fis.close();
  }
  baos.close();
  return fromUtf8(baos.toByteArray()); // TODO: use a Reader
} catch (Exception __e) { throw rethrow(__e); } }
static File getCodeProgramDir() {
  return getCodeProgramDir(getProgramID());
}

static File getCodeProgramDir(String snippetID) {
  return new File(javaxCodeDir(), formatSnippetID(snippetID));
}

static File getCodeProgramDir(long snippetID) {
  return getCodeProgramDir(formatSnippetID(snippetID));
}
static void saveGZTextFile(File file, String contents) { saveGZTextFile(file, contents, "UTF-8"); }
static void saveGZTextFile(File file, String contents, String encoding) { try {
  File parentFile = file.getParentFile();
  if (parentFile != null)
    parentFile.mkdirs();
  String tempFileName = file.getPath() + "_temp";
  File tempFile = new File(tempFileName);
  if (contents != null) {
    if (tempFile.exists()) try {
      String saveName = tempFileName + ".saved." + now();
      copyFile(tempFile, new File(saveName));
    } catch (Throwable e) { printStackTrace(e); }
    FileOutputStream fileOutputStream = newFileOutputStream(tempFile.getPath());
    GZIPOutputStream gos = new GZIPOutputStream(fileOutputStream);
    OutputStreamWriter outputStreamWriter = new OutputStreamWriter(gos, encoding);
    PrintWriter printWriter = new PrintWriter(outputStreamWriter);
    printWriter.print(contents);
    printWriter.close();
    gos.close();
    fileOutputStream.close();
  }
  
  if (file.exists() && !file.delete())
    throw new IOException("Can't delete " + file.getPath());

  if (contents != null)
    if (!tempFile.renameTo(file))
      throw new IOException("Can't rename " + tempFile + " to " + file);
} catch (Exception __e) { throw rethrow(__e); } }
static String getFileInfoField(File f, String field) {
  return getOneLineFileInfoField(f, field);
}
static File dropExtension(File f) {
  return f == null ? null : fileInSameDir(f, dropExtension(f.getName()));
}

static String dropExtension(String s) {
  return takeFirst(s, smartLastIndexOf(s, '.'));
}
static String htmlQuery(Map params) {
  return empty(params) ? "" : "?" + makePostData(params);
}

static String htmlQuery(Object... data) {
  return empty(data) ? "" : "?" + makePostData(data);
}
static Object[] muricaCredentials() {
  String pass = muricaPassword();
  return nempty(pass) ? new Object[] {"_pass", pass } : new Object[0];
}
static boolean saveTextFileIfDifferent(File f, String contents) {
  if (eq(loadTextFile(f), contents)) return false; // TODO: optimize
  { saveTextFile(f, contents); return true; }
}
static List<VF1<Map>> _threadInfo_makers = synchroList();

static Object _threadInfo() {
  if (empty(_threadInfo_makers)) return null;
  HashMap map = new HashMap();
  pcallFAll(_threadInfo_makers, map);
  return map;
}
static List<VF1<Map>> _threadInheritInfo_retrievers = synchroList();

static void _threadInheritInfo(Object info) {
  if (info == null) return;
  pcallFAll(_threadInheritInfo_retrievers, (Map) info);
}
static <A, B> Map<A, B> newWeakMap() {
  return newWeakHashMap();
}
static <A> WeakReference<A> newWeakReference(A a) {
  return a == null ? null : new WeakReference(a);
}


static Object callFunction(Object f, Object... args) {
  return callF(f, args);
}
static <A> Set<A> synchronizedSet() {
  return synchroHashSet();
}

static <A> Set<A> synchronizedSet(Set<A> set) {
  return Collections.synchronizedSet(set);
}
static <A> Set<A> identityHashSet() {
  return Collections.newSetFromMap(new IdentityHashMap());
}
static boolean checkCondition(Object condition, Object... args) {
  return isTrue(callF(condition, args));
}

static <A> boolean checkCondition(IF1<A, Boolean> condition, A arg) {
  return isTrue(callF(condition, arg));
}
static void assertFalse(Object o) {
  if (!(eq(o, false) /*|| isFalse(pcallF(o))*/))
    throw fail(str(o));
}
  
static boolean assertFalse(boolean b) {
  if (b) throw fail("oops");
  return b;
}

static boolean assertFalse(String msg, boolean b) {
  if (b) throw fail(msg);
  return b;
}

static File computerIDFile() {
  return javaxDataDir("Basic Info/computer-id.txt");
}
static String joinStrings(String sep, String... strings) {
  return joinStrings(sep, Arrays.asList(strings));
}

static String joinStrings(String sep, Collection<String> strings) {
  StringBuilder buf = new StringBuilder();
  for (String s : unnull(strings)) if (nempty(s)) {
    if (nempty(buf)) buf.append(sep);
    buf.append(s);
  }
  return str(buf);
}
static String utf8streamToString(InputStream in) {
  return readerToString(utf8bufferedReader(in));
}
// returns from C to C
static String jextract(String pat, String s) {
  return jextract(pat, javaTok(s));
}

static String jextract(String pat, List<String> tok) {
  List<String> tokpat = javaTok(pat);
  jfind_preprocess(tokpat);
  int i = jfind(tok, tokpat);
  if (i < 0) return null;
  int j = i + l(tokpat) - 2;
  return joinSubList(tok, i, j);
}

static String firstIntegerString(Iterable<String> c) {
  Iterator<String> it = c.iterator();
  while (it.hasNext()) {
    String s = it.next();
    if (isInteger(s)) return s;
  }
  return null;
}
static <A> ArrayList<A> cloneListSynchronizingOn(Collection<A> l, Object mutex) {
  if (l == null) return new ArrayList();
  synchronized(mutex) {
    return new ArrayList<A>(l);
  }
}
static Object defaultDefaultClassFinder() {
  return new F1<String, Class>() {
    public Class get(String name) {
      Class c = findClass_fullName(name);
      if (c != null) return c;
      if (name.startsWith("loadableUtils.utils$"))
        return findClass_fullName("main" + name.substring(19));
      return null;
    }
  };
}
static <A> TreeMap<String, A> caseInsensitiveMap() {
  return new TreeMap(caseInsensitiveComparator());
}
static Object safeUnstructure(String s) {
  return unstructure(s, true);
}
static int parseHexChar(char c) {
  if (c >= '0' && c <= '9') return charDiff(c, '0');
  if (c >= 'a' && c <= 'f') return charDiff(c, 'a')+10;
  if (c >= 'A' && c <= 'F') return charDiff(c, 'A')+10;
  return -1;
}
static Class getOuterClass(Class c) {
  return getOuterClass(c, null);
}

static Class getOuterClass(Class c, Object classFinder) { try {
  String s = c.getName();
  int i = s.lastIndexOf('$');
  String name = substring(s, 0, i);
  if (classFinder != null) return (Class) callF(classFinder, name);
  return Class.forName(name);
} catch (Exception __e) { throw rethrow(__e); } }
static HashMap<String, Field> instanceFieldsMap(Object o) {
  Class c = o.getClass();
  HashMap<String, Field> map;
  synchronized(getOpt_cache) {
    map = getOpt_cache.get(c);
    if (map == null)
      map = getOpt_makeCache(c);
  }
  return map;
}

static Field setOpt_findField(Class c, String field) {
  HashMap<String, Field> map;
  synchronized(getOpt_cache) {
    map = getOpt_cache.get(c);
    if (map == null)
      map = getOpt_makeCache(c);
  }
  return map.get(field);
}

static void setOpt(Object o, String field, Object value) { try {
  if (o == null) return;
  
  
  
  Class c = o.getClass();
  HashMap<String, Field> map;
  
  if (getOpt_cache == null)
    map = getOpt_makeCache(c); // in class init
  else synchronized(getOpt_cache) {
    map = getOpt_cache.get(c);
    if (map == null)
      map = getOpt_makeCache(c);
  }
  
  if (map == getOpt_special) {
    if (o instanceof Class) {
      setOpt((Class) o, field, value);
      return;
    }
    
    // It's probably a subclass of Map. Use raw method
    setOpt_raw(o, field, value);
    return;
  }
  
  Field f = map.get(field);
  
  if (f != null)
    { smartSet(f, o, value); return; } // possible improvement: skip setAccessible
  
    if (o instanceof DynamicObject)
      setDyn(((DynamicObject) o), field, value);
  
} catch (Exception __e) { throw rethrow(__e); } }

static void setOpt(Class c, String field, Object value) {
  if (c == null) return;
  try {
    Field f = setOpt_findStaticField(c, field); // TODO: optimize
    if (f != null)
      smartSet(f, null, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}
  
static Field setOpt_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0) {
        makeAccessible(f);
        return f;
      }
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static <A, B> LinkedHashMap<A, B> syncMapPut2_createLinkedHashMap(LinkedHashMap<A, B> map, A key, B value) {
  if (key != null)
    if (value != null) {
      if (map == null) map = new LinkedHashMap();
      synchronized(collectionMutex(map)) { map.put(key, value); }
    } else if (map != null) synchronized(collectionMutex(map)) { map.remove(key); }
  return map;
}
static void warnIfOddCount(Object... list) {
  if (odd(l(list)))
    printStackTrace("Odd list size: " + list);
}


static Map<Class, Field[]> thisDollarOneFields_cache = newDangerousWeakHashMap();

static Field[] thisDollarOneFields(Class c) {
  synchronized(thisDollarOneFields_cache) {
    Field[] l = thisDollarOneFields_cache.get(c);
    if (l == null)
      thisDollarOneFields_cache.put(c, l = thisDollarOneFields_uncached(c));
    return l;
  }
}

static Field[] thisDollarOneFields_uncached(Class c) {
  List<Field> fields = new ArrayList();
  do {
    for (Field f : c.getDeclaredFields())
      if (f.getName().equals("this$1"))
        fields.add(makeAccessible(f));
    c = c.getSuperclass();
  } while (c != null);
  return toArray(new Field[l(fields)], fields);
}


static Method fastIntern_method;

static String fastIntern(String s) { try {
  if (s == null) return null;
  if (fastIntern_method == null) {
    fastIntern_method = findMethodNamed(javax(), "internPerProgram");
    if (fastIntern_method == null) upgradeJavaXAndRestart();
  }
    
  return (String) fastIntern_method.invoke(null, s);
} catch (Exception __e) { throw rethrow(__e); } }
static Map<Class, HashMap<String, Method>> callOpt_noArgs_cache = newDangerousWeakHashMap();

static Object callOpt_noArgs(Object o, String method) { try {
  if (o == null) return null;
  if (o instanceof Class)
    return callOpt(o, method); // not optimized
  
  Class c = o.getClass();
  HashMap<String, Method> map;
  synchronized(callOpt_noArgs_cache) {
    map = callOpt_noArgs_cache.get(c);
    if (map == null)
      map = callOpt_noArgs_makeCache(c);
  }

  Method m = map.get(method);
  return m != null ? m.invoke(o) : null;
} catch (Exception __e) { throw rethrow(__e); } }

// used internally - we are in synchronized block
static HashMap<String, Method> callOpt_noArgs_makeCache(Class c) {
  HashMap<String, Method> map = new HashMap();
  Class _c = c;
  do {
    for (Method m : c.getDeclaredMethods())
      if (m.getParameterTypes().length == 0 
        && !reflection_isForbiddenMethod(m)) {
        makeAccessible(m);
        String name = m.getName();
        if (!map.containsKey(name))
          map.put(name, m);
      }
    _c = _c.getSuperclass();
  } while (_c != null);
  callOpt_noArgs_cache.put(c, map);
  return map;
}
static TreeSet<String> caseInsensitiveSet() {
  return caseInsensitiveSet_treeSet();
}

static TreeSet<String> caseInsensitiveSet(Collection<String> c) {
  return caseInsensitiveSet_treeSet(c);
}
static Map<String, Class> classForName_cache = synchroHashMap();

static Class classForName(String name) { try {
  if (classForName_cache == null) return Class.forName(name); // in class init
  Class c = classForName_cache.get(name);
  if (c == null)
    classForName_cache.put(name, c = Class.forName(name));
  return c;
} catch (Exception __e) { throw rethrow(__e); } }
static Map<Class, Constructor> nuObjectWithoutArguments_cache = newDangerousWeakHashMap();

static Object nuObjectWithoutArguments(String className) { try {
  return nuObjectWithoutArguments(classForName(className));
} catch (Exception __e) { throw rethrow(__e); } }

static <A> A nuObjectWithoutArguments(Class<A> c) { try {
  if (nuObjectWithoutArguments_cache == null)
    // in class init
    return (A) nuObjectWithoutArguments_findConstructor(c).newInstance();
    
  Constructor m = nuObjectWithoutArguments_cache.get(c);
  if (m == null)
    nuObjectWithoutArguments_cache.put(c, m = nuObjectWithoutArguments_findConstructor(c));
  return (A) m.newInstance();
} catch (Exception __e) { throw rethrow(__e); } }

static Constructor nuObjectWithoutArguments_findConstructor(Class c) {
  for (Constructor m : c.getDeclaredConstructors())
    if (empty(m.getParameterTypes())) {
      makeAccessible(m);
      return m;
    }
  throw fail("No default constructor found in " + c.getName());
}

static File localSnippetsDir() {
  return javaxDataDir("Personal Programs");
}

static File localSnippetsDir(String sub) {
  return newFile(localSnippetsDir(), sub);
}
static File oneOfTheFiles(String... paths) {
  if (paths != null) for (String path : paths)
    if (fileExists(path))
      return newFile(path);
  return null;
}

static File oneOfTheFiles(File... files) {
  if (files != null) for (File f : files)
    if (fileExists(f))
      return f;
  return null;
}
static File javaxSecretDir_dir; // can be set to work on different base dir

static File javaxSecretDir() {
  return javaxSecretDir_dir != null ? javaxSecretDir_dir : new File(userHome(), "JavaX-Secret");
}

static File javaxSecretDir(String sub) {
  return newFile(javaxSecretDir(), sub);
}
static String fromUtf8(byte[] bytes) { try {
  return bytes == null ? null : new String(bytes, "UTF-8");
} catch (Exception __e) { throw rethrow(__e); } }
static File javaxCodeDir_dir; // can be set to work on different base dir

static File javaxCodeDir() {
  return javaxCodeDir_dir != null ? javaxCodeDir_dir : new File(userHome(), "JavaX-Code");
}

static File javaxCodeDir(String sub) {
  return newFile(javaxCodeDir(), sub);
}
static String getOneLineFileInfoField(File f, String field) {
  File infoFile = associatedInfosFile(f);
  List<String> lines = lines(loadTextFile(infoFile));
  return firstStartingWithIC_drop(lines, field + ": ");
}
static File fileInSameDir(File f, String newName) {
  return newFile(parentFile(f), newName);
}
static int smartLastIndexOf(String s, char c) {
  if (s == null) return 0;
  int i = s.lastIndexOf(c);
  return i >= 0 ? i : l(s);
}
static volatile boolean muricaPassword_pretendNotAuthed = false;

static String muricaPassword() {
  if (muricaPassword_pretendNotAuthed) return null;
  return trim(loadTextFile(muricaPasswordFile()));
}


static <A> Set<A> synchroHashSet() {
  return Collections.synchronizedSet(new HashSet<A>());
}

static String readerToString(Reader r) { try {
  try {
    StringBuilder buf = new StringBuilder();
    int n = 0;
    while (true) {
      int ch = r.read();
      if (ch < 0)
        break;
      buf.append((char) ch);
      ++n;
      //if ((n % loadPage_verboseness) == 0) print("  " + n + " chars read");
    }
    return buf.toString();
  } finally {
    r.close();
  }  
} catch (Exception __e) { throw rethrow(__e); } }
static Comparator<String> caseInsensitiveComparator() {
  
  
  return betterCIComparator();
  
}
static int charDiff(char a, char b) {
  return (int) a-(int) b;
}

static int charDiff(String a, char b) {
  return charDiff(stringToChar(a), b);
}
static void setOpt_raw(Object o, String field, Object value) { try {
  if (o == null) return;
  if (o instanceof Class) setOpt_raw((Class) o, field, value);
  else {
    Field f = setOpt_raw_findField(o.getClass(), field);
    if (f != null) {
      makeAccessible(f);
      smartSet(f, o, value);
    }
  }
} catch (Exception __e) { throw rethrow(__e); } }

static void setOpt_raw(Class c, String field, Object value) { try {
  if (c == null) return;
  Field f = setOpt_raw_findStaticField(c, field);
  if (f != null) {
    makeAccessible(f);
    smartSet(f, null, value);
  }
} catch (Exception __e) { throw rethrow(__e); } }
  
static Field setOpt_raw_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}

static Field setOpt_raw_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  return null;
}
static void smartSet(Field f, Object o, Object value) throws Exception {
  try {
    f.set(o, value);
  } catch (Exception e) {
    Class type = f.getType();
    
    // take care of common case (long to int)
    if (type == int.class && value instanceof Long)
      value = ((Long) value).intValue();
    
    if (type == LinkedHashMap.class && value instanceof Map)
      { f.set(o, asLinkedHashMap((Map) value)); return; }
    
    
    throw e;
  }
}
static <A extends DynamicObject> A setDyn(A o, String key, Object value) {
  if (o == null) return o;
  setDynObjectValue(o, key, value);
  return o;
}
static Object[] toArray(Collection c) {
  return toObjectArray(c);
}

static <A> A[] toArray(Iterable<A> c, Class<A> type) {
  A[] a = arrayOfType(l(c), type);
  if (a.length == 0) return a;
  asList(c).toArray(a);
  return a;
}

// array must have correct length and will be filled
static <A> A[] toArray(A[] array, Collection c) {
  if (array == null || c == null) return null;
  asList(c).toArray(array);
  return array;
}
static void upgradeJavaXAndRestart() {
  
    run("#1001639");
    restart();
    sleep();
  
  
}
static boolean reflection_isForbiddenMethod(Method m) {
  return m.getDeclaringClass() == Object.class
    && eqOneOf(m.getName(), "finalize", "clone", "registerNatives");
}
static TreeSet<String> caseInsensitiveSet_treeSet() {
  return new TreeSet(caseInsensitiveComparator());
}

static TreeSet<String> caseInsensitiveSet_treeSet(Collection<String> c) {
  return toCaseInsensitiveSet_treeSet(c);
}
static boolean fileExists(String path) {
  return path != null && new File(path).exists();
}

static boolean fileExists(File f) {
  return f != null && f.exists();
}
static File associatedInfosFile(File f) {
  return replaceExtension(f, ".infos");
}
static String firstStartingWithIC_drop(Collection<String> l, final String prefix) {
  for (String s : unnull(l))
    if (swic(s, prefix))
      return substring(s, l(prefix));
  return null;
}

static String firstStartingWithIC_drop(String prefix, Collection<String> l) {
  return firstStartingWithIC_drop(l, prefix);
}
static File parentFile(File f) {
  return dirOfFile(f);
}
static File muricaPasswordFile() {
  return new File(javaxSecretDir(), "murica/muricaPasswordFile");
}


static betterCIComparator_C betterCIComparator_instance;

static betterCIComparator_C betterCIComparator() {
  if (betterCIComparator_instance == null)
    betterCIComparator_instance = new betterCIComparator_C();
  return betterCIComparator_instance;
}

static class betterCIComparator_C implements Comparator<String> {
  public int compare(String s1, String s2) {
    if (s1 == null) return s2 == null ? 0 : -1;
    if (s2 == null) return 1;
  
    int n1 = s1.length();
    int n2 = s2.length();
    int min = Math.min(n1, n2);
    for (int i = 0; i < min; i++) {
        char c1 = s1.charAt(i);
        char c2 = s2.charAt(i);
        if (c1 != c2) {
            c1 = Character.toUpperCase(c1);
            c2 = Character.toUpperCase(c2);
            if (c1 != c2) {
                c1 = Character.toLowerCase(c1);
                c2 = Character.toLowerCase(c2);
                if (c1 != c2) {
                    // No overflow because of numeric promotion
                    return c1 - c2;
                }
            }
        }
    }
    return n1 - n2;
  }
}
static char stringToChar(String s) {
  if (l(s) != 1) throw fail("bad stringToChar: " + s);
  return firstChar(s);
}
static Class run(String progID, String... args) {
  Class main = hotwire(progID);
  callMain(main, args);
  return main;
}
static void restart() {
  Object j = getJavaX();
  call(j, "cleanRestart", get(j, "fullArgs"));
}
static TreeSet<String> toCaseInsensitiveSet_treeSet(Iterable<String> c) {
  if (isCISet(c)) return (TreeSet) c;
  TreeSet<String> set = caseInsensitiveSet_treeSet();
  addAll(set, c);
  return set;
}

static TreeSet<String> toCaseInsensitiveSet_treeSet(String... x) {
  TreeSet<String> set = caseInsensitiveSet_treeSet();
  addAll(set, x);
  return set;
}
static File replaceExtension(File f, String extOld, String extNew) {
  return newFile(replaceExtension(f2s(f), extOld, extNew));
}

static File replaceExtension(File f, String extNew) {
  return replaceExtension(f, fileExtension(f), extNew);
}

static String replaceExtension(String s, String extOld, String extNew) {
  s = dropSuffixIC(addPrefixOptIfNempty(".", extOld), s);
  return s + addPrefixOptIfNempty(".", extNew);
}

static String replaceExtension(String name, String extNew) {
  return replaceExtension(name, fileExtension(name), extNew);
}
static File dirOfFile(File f) {
  return f == null ? null : f.getParentFile();
}


static char firstChar(String s) {
  return s.charAt(0);
}
static Class<?> hotwire(String src) {
  assertFalse(_inCore());
  Class j = getJavaX();
  if (isAndroid()) {
    synchronized(j) { // hopefully this goes well...
      List<File> libraries = new ArrayList<File>();
      File srcDir = (File) call(j, "transpileMain", src, libraries);
      if (srcDir == null)
        throw fail("transpileMain returned null (src=" + quote(src) + ")");
    
      Object androidContext = get(j, "androidContext");
      return (Class) call(j, "loadx2android", srcDir, src);
    }
  } else {
    
    
    Class c =  (Class) (call(j, "hotwire", src));
    hotwire_copyOver(c);
    return c;
    
  }
}
static <A> A callMain(A c, String... args) {
  callOpt(c, "main", new Object[] {args});
  return c;
}

static void callMain() {
  callMain(mc());
}
static boolean isCISet(Iterable<String> l) {
  return l instanceof TreeSet && ((TreeSet) l).comparator() == caseInsensitiveComparator();
}
static String fileExtension(File f) {
  if (f == null) return null;
  return fileExtension(f.getName());
}

static String fileExtension(String s) {
  return substring(s, smartLastIndexOf(s, '.'));
}
static String dropSuffixIC(String suffix, String s) {
  return s == null ? null : ewic(s, suffix) ? s.substring(0, l(s)-l(suffix)) : s;
}
static String addPrefixOptIfNempty(String prefix, String s) {
  return addPrefixIfNotEmpty2(prefix, s);
}


static boolean _inCore() {
  return false;
}
static List hotwire_copyOver_after = synchroList();

static void hotwire_copyOver(Class c) {
  // TODO: make a mechanism for making such "inheritable" fields
  for (String field : ll("print_log", "print_silent", "androidContext", "_userHome"))
    setOptIfNotNull(c, field, getOpt(mc(), field));
    
  
  
  setOptIfNotNull(c, "mainBot" , getMainBot());
  setOpt(c, "creator_class" , new WeakReference(mc()));
  pcallFAll(hotwire_copyOver_after, c);
}
static String addPrefixIfNotEmpty2(String prefix, String s) {
  return empty(s) ? "" : addPrefix(prefix, s);
}


static void setOptIfNotNull(Object o, String field, Object value) {
  if (value != null) setOpt(o, field, value);
}
static Object mainBot;

static Object getMainBot() {
  return mainBot;
}
static String addPrefix(String prefix, String s) {
  return s.startsWith(prefix) ? s : prefix + s;
}


// immutable, has strong refs
final static class _MethodCache {
  final Class c;
  final HashMap<String, List<Method>> cache = new HashMap();
  
  _MethodCache(Class c) {
  this.c = c; _init(); }
  
  void _init() {
    Class _c = c;
    while (_c != null) {
      for (Method m : _c.getDeclaredMethods())
        if (!isAbstract(m) && !reflection_isForbiddenMethod(m))
          multiMapPut(cache, m.getName(), makeAccessible(m));
      _c = _c.getSuperclass();
    }
    
    // add default methods - this might lead to a duplication
    // because the overridden method is also added, but it's not
    // a problem except for minimal performance loss.
    for (Class intf : allInterfacesImplementedBy(c))
      for (Method m : intf.getDeclaredMethods())
        if (m.isDefault() && !reflection_isForbiddenMethod(m))
          multiMapPut(cache, m.getName(), makeAccessible(m));

    
  }
  
  // Returns only matching methods
  Method findMethod(String method, Object[] args) { try {
    List<Method> m = cache.get(method);
    
    if (m == null) return null;
    int n = m.size();
    for (int i = 0; i < n; i++) {
      Method me = m.get(i);
      if (call_checkArgs(me, args, false))
        return me;
    }
    return null;
  } catch (Exception __e) { throw rethrow(__e); } }
  
  Method findStaticMethod(String method, Object[] args) { try {
    List<Method> m = cache.get(method);
    if (m == null) return null;
    int n = m.size();
    for (int i = 0; i < n; i++) {
      Method me = m.get(i);
      if (isStaticMethod(me) && call_checkArgs(me, args, false))
        return me;
    }
    return null;
  } catch (Exception __e) { throw rethrow(__e); } }
}static abstract class VF1<A> implements IVF1<A> {
  public abstract void get(A a);
}static class Matches {
  String[] m;
  
  Matches() {}
  Matches(String... m) {
  this.m = m;}
  
  String get(int i) { return i < m.length ? m[i] : null; }
  String unq(int i) { return unquote(get(i)); }
  
  String tlc(int i) { return unq(i).toLowerCase(); }
  boolean bool(int i) { return "true".equals(unq(i)); }
  String rest() { return m[m.length-1]; } // for matchStart
  int psi(int i) { return Integer.parseInt(unq(i)); }
  
  public String toString() { return "Matches(" + joinWithComma(quoteAll(asList(m))) + ")"; }
  
  public int hashCode() { return _hashCode(toList(m)); }
  public boolean equals(Object o) { return o instanceof Matches && arraysEqual(m, ((Matches) o).m); }
}
static class Var<A> implements IVar<A> {
  Var() {}
  Var(A v) {
  this.v = v;}

  
  A v; // you can access this directly if you use one thread
  
  public synchronized void set(A a) {
    if (v != a) {
      v = a;
      notifyAll();
    }
  }
  
  public synchronized A get() { return v; }
  public synchronized boolean has() { return v != null; }
  public synchronized void clear() { v = null; }
  
  public String toString() { return str(get()); }
}
static class MechListDependentCache<A> extends Cache<A> {
  // maker is now F1<S, A>
  String listName, lastListContents;
  
  MechListDependentCache() {}
  MechListDependentCache(String listName, Object maker) {
  this.maker = maker;
  this.listName = listName;}
  
  A make() { return (A) callF(maker, lastListContents); }
  
  A get() {
    if (hasLock(lock)) return value; // Must be called from within maker
    {
      String listContents = mL_raw(listName);
      Lock __0 = lock; lock(__0); try {
      if (!eqOrSame(listContents, lastListContents))
        clear();
      lastListContents = listContents;
    } finally { unlock(__0); } }
    return super.get();
  }
}static abstract class TokCondition {
  abstract boolean get(List<String> tok, int i); // i = N Index
}static class GlobalID implements Comparable<GlobalID> {
  // We need 76 bits for 26^16 IDs
  long a; // lower 64 bits
  int b;  // 76-64=12 higher bits; could be short. change to short when unstructure() is smarter
  
  GlobalID() {}
  GlobalID(String id) {
    assertGlobalID(id);
    BigInteger value = bigint(0);
    for (int i = 0; i < l(id); i++)
      value = plus(mul(value, 26), charDiff(id.charAt(i), 'a'));
      
    
    a = value.longValue();
    value = value.shiftRight(64);
    b = value.shortValue();
  }
  
  public String toString() {
    BigInteger value = bigint(b);
    value = value.shiftLeft(32);
    value = plus(value, (a >> 32) & 0xFFFFFFFFL);
    value = value.shiftLeft(32);
    value = plus(value, a & 0xFFFFFFFFL);
    
    
    
    return bigintToGlobalID(value);
  }
  
  public boolean equals(Object o) {
    if (!(o instanceof GlobalID)) return false;
    return ((GlobalID) o).a == a && ((GlobalID) o).b == b;
  }
  
  public int hashCode() {
    return (int) a;
  }
  
  // matches ID's lexical ordering
  public int compareTo(GlobalID id) {
    int diff = b-id.b;
    return diff != 0 ? diff : Long.compareUnsigned(a, id.a);
  }
}static class MultiMap<A,B> {
  Map<A, List<B>> data = new HashMap<A, List<B>>();
  
  MultiMap() {}
  MultiMap(boolean useTreeMap) { if (useTreeMap) data = new TreeMap(); }
  MultiMap(MultiMap<A, B> map) { putAll(map); }
  MultiMap(Map<A, List<B>> data) {
  this.data = data;}

  void put(A key, B value) { synchronized(data) {
    List<B> list = data.get(key);
    if (list == null)
      data.put(key, list = _makeEmptyList());
    list.add(value);
  }}

  void add(A key, B value) { put(key, value); }

  void addAll(A key, Collection<B> values) { putAll(key, values); }
  
  void addAllIfNotThere(A key, Collection<B> values) { synchronized(data) {
    for (B value : values)
      setPut(key, value);
  }}
  
  void setPut(A key, B value) { synchronized(data) {
    if (!containsPair(key, value))
      put(key, value);
  }}
  
  boolean containsPair(A key, B value) { synchronized(data) {
    return get(key).contains(value);
  }}
  
  void putAll(A key, Collection<B> values) { synchronized(data) {
    if (nempty(values)) getActual(key).addAll(values);
  }}

  void removeAll(A key, Collection<B> values) { synchronized(data) {
    for (B value : values)
      remove(key, value);
  }}
  
  List<B> get(A key) { synchronized(data) {
    List<B> list = data.get(key);
    return list == null ? Collections.<B> emptyList() : list;
  }}

  List<B> getOpt(A key) { synchronized(data) {
    return data.get(key);
  }}

  // returns actual mutable live list
  // creates the list if not there
  List<B> getActual(A key) { synchronized(data) {
    List<B> list = data.get(key);
    if (list == null)
      data.put(key, list = _makeEmptyList());
    return list;
  }}
 
  void clean(A key) { synchronized(data) {
    List<B> list = data.get(key);
    if (list != null && list.isEmpty())
      data.remove(key);
  }}

  Set<A> keySet() { synchronized(data) {
    return data.keySet();
  }}

  Set<A> keys() { synchronized(data) {
    return data.keySet();
  }}

  void remove(A key) { synchronized(data) {
    data.remove(key);
  }}

  void remove(A key, B value) { synchronized(data) {
    List<B> list = data.get(key);
    if (list != null) {
      list.remove(value);
      if (list.isEmpty())
        data.remove(key);
    }
  }}

  void clear() { synchronized(data) {
    data.clear();
  }}

  boolean containsKey(A key) { synchronized(data) {
    return data.containsKey(key);
  }}

  B getFirst(A key) { synchronized(data) {
    List<B> list = get(key);
    return list.isEmpty() ? null : list.get(0);
  }}
  
  void addAll(MultiMap<A, B> map) { putAll(map); }
  
  void putAll(MultiMap<A, B> map) { synchronized(data) {
    for (A key : map.keySet())
      putAll(key, map.get(key));
  }}
  
  void putAll(Map<A, B> map) { synchronized(data) {
    if (map != null) for (Map.Entry<A, B> e : map.entrySet())
      put(e.getKey(), e.getValue());
  }}
  
  int keysSize() { synchronized(data) { return l(data); }}
  
  // full size - note: expensive operation
  int size() { synchronized(data) {
    int n = 0;
    for (List l : data.values())
      n += l(l);
    return n;
  }}
  
  // expensive operation
  List<A> reverseGet(B b) { synchronized(data) {
    List<A> l = new ArrayList();
    for (A key : data.keySet())
      if (data.get(key).contains(b))
        l.add(key);
    return l;
  }}
  
  Map<A, List<B>> asMap() { synchronized(data) {
    return cloneMap(data);
  }}
  
  boolean isEmpty() { synchronized(data) { return data.isEmpty(); }}
  
  // override in subclasses
  List<B> _makeEmptyList() {
    return new ArrayList();
  }
  
  // returns live lists
  Collection<List<B>> allLists() {
    synchronized(data) {
      return new ArrayList(data.values());
    }
  }
  Collection<List<B>> values() { return allLists(); }
  
  List<B> allValues() {
    return concatLists(data.values());
  }
  
  Object mutex() { return data; }
  
  public String toString() { return "mm" + str(data); }
}static interface IResourceLoader {
  String loadSnippet(String snippetID);
  String getTranspiled(String snippetID); // with libs
  int getSnippetType(String snippetID);
  String getSnippetTitle(String snippetID);
  File loadLibrary(String snippetID);
  File pathToJavaXJar();
  File getSnippetJar(String snippetID, String transpiledSrc);
}





abstract static class DynTalkBot2<A extends DynTalkBot2.ByServer> extends DynServerAwareDiscordBot<A> {
  static boolean _switchableField_myName = true; String myName = "Anonymous bot";
  transient boolean useAGIBlueForDropPunctuation = true;
  transient boolean preprocessAtSelfToMyName = true;
  transient boolean dropPunctuation = true;
  transient boolean ngbCommands = true;
  List<Long> authorizedUsers = ll(547706854680297473L); // stefan
  
  static class ISaid implements IFieldsToList{
  long channelID;
  long date;
  String text;
  ISaid() {}
  ISaid(long channelID, long date, String text) {
  this.text = text;
  this.date = date;
  this.channelID = channelID;}
  public String toString() { return shortClassName(this) + "(" + channelID + ", " + date + ", " + text + ")"; }

public boolean equals(Object o) {
if (!(o instanceof ISaid)) return false;
    ISaid __9 =  (ISaid) o;
    return channelID == __9.channelID && date == __9.date && eq(text, __9.text);
}

  public int hashCode() {
    int h = 69986258;
    h = boostHashCombine(h, _hashCode(channelID));
    h = boostHashCombine(h, _hashCode(date));
    h = boostHashCombine(h, _hashCode(text));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {channelID, date, text}; }
}
  
  void init() {
    super.init();
    
    onPostedInChannel.add((channel, msg) -> {
      if (channel instanceof Channel) {
        Guild guild = ((Channel) channel).getGuild();
        if (guild == null) return;
        ByServer bs = getByServer(guild);
        long channelID = ((Channel) channel).getIdLong();
        mapPut(bs.lastSaidInChannel, channelID, nu(ISaid.class, "channelID", channelID, "text" , msg));
        change();
      }
    });
    
    // We leave it as null to force subclasses to set this
    // (avoids serializing bad instances)
    // makeByServer = () -> (A) new ByServer;
    
    dm_vmBus_onMessage_q("discordGuildJoin",new VF1<Map>() { public void get(Map map) { try { 
      { if (!(map.get("module") == module())) return; }
      print("Got join");
      getByServer(getLong("guildID",map), true)
        .onUserJoin(getLong("userID",map), map);
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret unless map.get('module) == module();\r\n      print(\"Got join\");\r\n      get..."; }});
    
    onDiscordEvent(e -> {
      //print("Generic Discord event: " + e);
      if (e instanceof UserUpdateOnlineStatusEvent)
        getByServer(((UserUpdateOnlineStatusEvent) e).getGuild()).onOnlineStatusChange(((UserUpdateOnlineStatusEvent) e));
    });
  }
  
  class ByServer extends DynServerAwareDiscordBot<DynTalkBot2.ByServer>.ByServer {
    transient Lock lock;
    List<Long> guildAuthorizedUsers = synchroList();
    Map<Long, ISaid> lastSaidInChannel = synchroMap();
    long preferredChannelInGuild;

    DynTalkBot2 m2() { return DynTalkBot2.this; } // for debugging
    
    // overridable
    void onUserJoin(long userID, Object... __) {}
    void onOnlineStatusChange(UserUpdateOnlineStatusEvent e) {}
  
    @Override String answer(String input, Map map) {
      if (preferredChannelInGuild == 0) {
        long channelID = longPar("channelID",map);
        if (channelID != 0) {
          preferredChannelInGuild = channelID;
          change();
        }
      }
        
      String answer = processLine(input, map);
      { String __2 = super.answer(input, map); if (!empty(__2)) return __2; } // server-aware stuff
      
      return answer;
    }
    
    String dropMyPrefixOpt(String s) {
      return or(dropMyPrefixOrNull(s), s);
    }
    
    String dropMyPrefixOrNull(String s) {
      String sOld = s;
      s = dropPrefixICTrim_orNull(myPrefix(), s);
      if (s == null)
        print("no got prefix: " + quote(myPrefix()) + " / " + quote(sOld));
      return s;
    }
  
    String processLine(String s, Object... __) {
      s = preprocess(s, __);
      return processSimplifiedLine(s, __);
    }
    
    String preprocess(String s, Object... __) {
      print("Preprocessing: " + s);
      //pcall { print("mother: " + DynTalkBot2.this); }
      if (preprocessAtSelfToMyName && discordBotID != 0)
        s = replace(s, atSelf(), " " + myName + " ");
      if (dropPunctuation)
        s = dropPunctuation3_withAGIBlue(useAGIBlueForDropPunctuation, s);
      s = trim(simpleSpaces_noTok(s));
      print("simplified >> " + quote(s));
      return s;
    }
    
    String myPrefix() {
      return preprocessAtSelfToMyName ?
        (endsWithLetterOrDigit(myName) ? myName + " " : myName) :
        (dropPunctuation ? replace(atSelf(), "@", "") /* @ is killed by preprocessing */ : atSelf()) + " ";
    }
    
    synchronized Lock myLock() {
      if (lock == null) lock = lock();
      return lock;
    }
  
    // extend me
    String processSimplifiedLine(String input, Object... __) {
      Lock __0 = myLock(); lock(__0); try {
      Matches m = new Matches();
      
      input = dropMyPrefixOrNull(input);
      if (input == null) return null;
      
      if (ngbCommands) {
        if (eqicOneOf(input, "support channel", "support server", "support"))
          return "Get support for me here: " + nextGenBotsDiscordInvite();
          
        if (eqicOneOf(input, "source", "sources", "source code"))
          return snippetLink(programID());
      }
  
      if (swic_trim(input, "add master ", m)) {
         String __3 = checkAuth(__); if (!empty(__3)) return __3; 
  
        setAdd(authorizedUsers, parseFirstLong(m.rest()));
        change();
        
        return "Okidoki. Have " + n2(l(authorizedUsers), "master");
      }
      
      if (eqic(input, "masters"))
        return renderMasters();
      
      if (swic_trim(input, "delete master ", m)) {
         String __4 = checkAuth(__); if (!empty(__4)) return __4; 
  
        remove(authorizedUsers, parseFirstLong(m.rest()));
        change();
        
        return "Okidoki. Have " + n2(l(authorizedUsers), "master");
      }
      
      if (swic_trim(input, "add guild master ", m)) {
         String __5 = checkPerGuildAuth(__); if (!empty(__5)) return __5; 
  
        setAdd(guildAuthorizedUsers, parseFirstLong(m.rest()));
        change();
        
        return "Okidoki. " + renderGuildMasters();
      }
      
      if (eqic(input, "guild masters"))
        return renderGuildMasters();
      
      if (swic_trim(input, "delete guild master ", m)) {
         String __6 = checkPerGuildAuth(__); if (!empty(__6)) return __6; 
  
        remove(guildAuthorizedUsers, parseFirstLong(m.rest()));
        change();
        
        return "Okidoki. " + renderGuildMasters();
      }
      
      if (eqic(input, "guild count")) {
         String __7 = checkAuth(__); if (!empty(__7)) return __7; 
        return renderGuildCount();
      }
      
      if (eqic(input, "guild names")) {
         String __8 = checkAuth(__); if (!empty(__8)) return __8; 
        return renderGuildNames();
      }
      
      return null;
    } finally { unlock(__0); } }
    
    String renderGuildMasters() {
      return empty(guildAuthorizedUsers) ? "Only this guild's owner can control me."
          : "I am controlled by this guild's owner and these people: " + joinWithComma(map("discordAtPlusID",guildAuthorizedUsers));
    }
    
    String renderGuildCount() {
      return "Total guilds joined: " + guildCount + ". Live guilds: " + liveGuildCount();
    }
    
    String renderGuildNames() {
      return lines(map(discord.getGuilds(), g -> g.getName()));
    }
    
    boolean authed(Object... __) {
      return contains(authorizedUsers, optPar("userID",__));
    }
  
    boolean perGuildAuthed(Object... __) {
      long userID = longPar("userID",__);
      return contains(guildAuthorizedUsers, userID)
        || guildID != 0 && userID == getGuild().getOwner().getUser().getIdLong();
    }
    
    Guild getGuild() {
      return guildID == 0 ? null : discord.getGuildById(guildID);
    }
  
    String checkAuth(Object... __) {  
      long userID = longPar("userID",__);
      boolean result = authed(__);
      print("Auth-checking user ID: " + userID + " => " + result);
      if (!result) return "You are not authorized";
      return null;
    }
    
    String checkPerGuildAuth(Object... __) {  
      long userID = longPar("userID",__);
      boolean result = perGuildAuthed(__);
      print("Guild-auth-checking user ID: " + userID + " => " + result);
      if (!result) return "You are not authorized";
      return null;
    }
    
    String guildStructure() {
      return structure_nullingInstancesOfClass(_getClass(module()), this);
    }
  } // end of class ByServer
  
  String serveGuildBackup(MessageChannel channel, Guild guild, String data) {
    if (guild == null) return "Do this in a guild";
    if (containsDiscordToken(data)) return "DISCORD TOKEN EXPOSED ALARM!! NOTIFY ADMINISTRATOR";
    String baseName = urlencode(jda_selfUserName(discord))
      + "-" + guild.getIdLong() + "-" + ymd_minus_hms();
    String zipName = baseName + ".zip";
    File zip = programFile("backups/" + zipName);
    createZipFileWithSingleTextFile(zip, baseName + ".txt", data);
    channel.sendMessage("Here's my latest brain contents for this guild.").addFile(zip).queue();
    return null;
  }
  
  // use structure() on ByServer
  String serveGuildBackup(MessageChannel channel, Guild guild, ByServer bs) {
    return serveGuildBackup(channel, guild, bs.guildStructure());
  }
  
  // e.g. for help texts
  String atSelfOrMyName() {
    return preprocessAtSelfToMyName ? myName : atSelf();
  }
  
  String atSelfOrMyName_space() {
    return preprocessAtSelfToMyName ? appendSpaceIfEndsWithLetter(myName) : atSelf();
  }
  
  String renderMasters() {
    return empty(authorizedUsers) ? "I have no masters." : "My masters are: " + joinWithComma(map("discordAtPlusID",authorizedUsers));
  }
}static class T3<A, B, C> {
  A a;
  B b;
  C c;
  
  T3() {}
  T3(A a, B b, C c) {
  this.c = c;
  this.b = b;
  this.a = a;}
  T3(T3<A, B, C> t) { a = t.a; b = t.b; c = t.c; }
  
  public int hashCode() {
    return _hashCode(a) + 2*_hashCode(b) - 4*_hashCode(c);
  }
  
  public boolean equals(Object o) {
    if (o == this) return true;
    if (!(o instanceof T3)) return false;
    T3 t = (T3) o;
    return eq(a, t.a) && eq(b, t.b) && eq(c, t.c);
  }
  
  public String toString() {
    return "(" + quoteBorderless(a) + ", " + quoteBorderless(b) + ", " + quoteBorderless(c) + ")";
  }
}static class Pair<A, B> implements Comparable<Pair<A, B>> {
  A a;
  B b;

  Pair() {}
  Pair(A a, B b) {
  this.b = b;
  this.a = a;}
  
  public int hashCode() {
    return hashCodeFor(a) + 2*hashCodeFor(b);
  }
  
  public boolean equals(Object o) {
    if (o == this) return true;
    if (!(o instanceof Pair)) return false;
    Pair t = (Pair) o;
    return eq(a, t.a) && eq(b, t.b);
  }
  
  public String toString() {
    return "<" + a + ", " + b + ">";
  }
  
  public int compareTo(Pair<A, B> p) {
    if (p == null) return 1;
    int i = ((Comparable<A>) a).compareTo(p.a);
    if (i != 0) return i;
    return ((Comparable<B>) b).compareTo(p.b);
  }
}static class FunctionNameAndPattern implements IFieldsToList{
  String function;
  String pattern;
  FunctionNameAndPattern() {}
  FunctionNameAndPattern(String function, String pattern) {
  this.pattern = pattern;
  this.function = function;}
  public String toString() { return shortClassName(this) + "(" + function + ", " + pattern + ")"; }

public boolean equals(Object o) {
if (!(o instanceof FunctionNameAndPattern)) return false;
    FunctionNameAndPattern __1 =  (FunctionNameAndPattern) o;
    return eq(function, __1.function) && eq(pattern, __1.pattern);
}

  public int hashCode() {
    int h = -413151044;
    h = boostHashCombine(h, _hashCode(function));
    h = boostHashCombine(h, _hashCode(pattern));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {function, pattern}; }
}// it's unclear whether the end is inclusive or exclusive
// (usually exclusive I guess)
static class IntRange {
  int start, end;
  
  IntRange() {}
  IntRange(int start, int end) {
  this.end = end;
  this.start = start;}
  IntRange(IntRange r) { start = r.start; end = r.end; }
  
  public boolean equals(Object o) { return stdEq2(this, o); }
public int hashCode() { return stdHash2(this); }
  
  final int length() { return end-start; }
  final boolean empty() { return start >= end; }
  
  static String _fieldOrder = "start end";
  
  public String toString() { return "[" + start + ";" + end + "]"; }
}static abstract class F0<A> {
  abstract A get();
}static abstract class F1<A, B> {
  abstract B get(A a);
}// you still need to implement hasNext() and next()
static abstract class IterableIterator<A> implements Iterator<A>, Iterable<A> {
  public Iterator<A> iterator() {
    return this;
  }
  
  public void remove() {
    unsupportedOperation();
  }
}static class PhilosophyBot1 {
  static class LogicRule implements IFieldsToList, Transformable, Visitable{
  Object lhs;
  Object rhs;
  LogicRule() {}
  LogicRule(Object lhs, Object rhs) {
  this.rhs = rhs;
  this.lhs = lhs;}

public boolean equals(Object o) {
if (!(o instanceof LogicRule)) return false;
    LogicRule __0 =  (LogicRule) o;
    return eq(lhs, __0.lhs) && eq(rhs, __0.rhs);
}

  public int hashCode() {
    int h = 274479962;
    h = boostHashCombine(h, _hashCode(lhs));
    h = boostHashCombine(h, _hashCode(rhs));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {lhs, rhs}; }
public Object transformUsing(IF1 f) { return new LogicRule(f.get(lhs), f.get(rhs)); }
public void visitUsing(IVF1 f) { f.get(lhs); f.get(rhs); }

    int n; // when added
    Object trail;
    
    public String toString() {
      return (n == 0 ? "" : "[" + n + "] ") + lhs + " => " + rhs;
    }
  }
  static class And implements IFieldsToList, Transformable, Visitable{
  Object a;
  Object b;
  And() {}
  And(Object a, Object b) {
  this.b = b;
  this.a = a;}
  public String toString() { return shortClassName(this) + "(" + a + ", " + b + ")"; }

public boolean equals(Object o) {
if (!(o instanceof And)) return false;
    And __1 =  (And) o;
    return eq(a, __1.a) && eq(b, __1.b);
}

  public int hashCode() {
    int h = 65975;
    h = boostHashCombine(h, _hashCode(a));
    h = boostHashCombine(h, _hashCode(b));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {a, b}; }
public Object transformUsing(IF1 f) { return new And(f.get(a), f.get(b)); }
public void visitUsing(IVF1 f) { f.get(a); f.get(b); }
}
  static class If implements IFieldsToList, Transformable, Visitable{
  Object condition;
  Object thenBlock;
  Object elseBlock;
  If() {}
  If(Object condition, Object thenBlock, Object elseBlock) {
  this.elseBlock = elseBlock;
  this.thenBlock = thenBlock;
  this.condition = condition;}
  public String toString() { return shortClassName(this) + "(" + condition + ", " + thenBlock + ", " + elseBlock + ")"; }

public boolean equals(Object o) {
if (!(o instanceof If)) return false;
    If __2 =  (If) o;
    return eq(condition, __2.condition) && eq(thenBlock, __2.thenBlock) && eq(elseBlock, __2.elseBlock);
}

  public int hashCode() {
    int h = 2365;
    h = boostHashCombine(h, _hashCode(condition));
    h = boostHashCombine(h, _hashCode(thenBlock));
    h = boostHashCombine(h, _hashCode(elseBlock));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {condition, thenBlock, elseBlock}; }
public Object transformUsing(IF1 f) { return new If(f.get(condition), f.get(thenBlock), f.get(elseBlock)); }
public void visitUsing(IVF1 f) { f.get(condition); f.get(thenBlock); f.get(elseBlock); }
}
  static class For implements IFieldsToList, Transformable, Visitable{
  Object var;
  Object condition;
  Object body;
  For() {}
  For(Object var, Object condition, Object body) {
  this.body = body;
  this.condition = condition;
  this.var = var;}
  public String toString() { return shortClassName(this) + "(" + var + ", " + condition + ", " + body + ")"; }

public boolean equals(Object o) {
if (!(o instanceof For)) return false;
    For __3 =  (For) o;
    return eq(var, __3.var) && eq(condition, __3.condition) && eq(body, __3.body);
}

  public int hashCode() {
    int h = 70825;
    h = boostHashCombine(h, _hashCode(var));
    h = boostHashCombine(h, _hashCode(condition));
    h = boostHashCombine(h, _hashCode(body));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {var, condition, body}; }
public Object transformUsing(IF1 f) { return new For(f.get(var), f.get(condition), f.get(body)); }
public void visitUsing(IVF1 f) { f.get(var); f.get(condition); f.get(body); }
} // don't need var actually
  static class ForIn implements IFieldsToList, Transformable, Visitable{
  Object var;
  Object expr;
  Object body;
  ForIn() {}
  ForIn(Object var, Object expr, Object body) {
  this.body = body;
  this.expr = expr;
  this.var = var;}
  public String toString() { return shortClassName(this) + "(" + var + ", " + expr + ", " + body + ")"; }

public boolean equals(Object o) {
if (!(o instanceof ForIn)) return false;
    ForIn __4 =  (ForIn) o;
    return eq(var, __4.var) && eq(expr, __4.expr) && eq(body, __4.body);
}

  public int hashCode() {
    int h = 68065198;
    h = boostHashCombine(h, _hashCode(var));
    h = boostHashCombine(h, _hashCode(expr));
    h = boostHashCombine(h, _hashCode(body));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {var, expr, body}; }
public Object transformUsing(IF1 f) { return new ForIn(f.get(var), f.get(expr), f.get(body)); }
public void visitUsing(IVF1 f) { f.get(var); f.get(expr); f.get(body); }
}
  static class Assignment implements IFieldsToList, Transformable, Visitable{
  Object var;
  Object expr;
  Assignment() {}
  Assignment(Object var, Object expr) {
  this.expr = expr;
  this.var = var;}
  public String toString() { return shortClassName(this) + "(" + var + ", " + expr + ")"; }

public boolean equals(Object o) {
if (!(o instanceof Assignment)) return false;
    Assignment __5 =  (Assignment) o;
    return eq(var, __5.var) && eq(expr, __5.expr);
}

  public int hashCode() {
    int h = -1275239699;
    h = boostHashCombine(h, _hashCode(var));
    h = boostHashCombine(h, _hashCode(expr));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {var, expr}; }
public Object transformUsing(IF1 f) { return new Assignment(f.get(var), f.get(expr)); }
public void visitUsing(IVF1 f) { f.get(var); f.get(expr); }
}
  static class While implements IFieldsToList, Transformable, Visitable{
  Object condition;
  Object body;
  While() {}
  While(Object condition, Object body) {
  this.body = body;
  this.condition = condition;}
  public String toString() { return shortClassName(this) + "(" + condition + ", " + body + ")"; }

public boolean equals(Object o) {
if (!(o instanceof While)) return false;
    While __6 =  (While) o;
    return eq(condition, __6.condition) && eq(body, __6.body);
}

  public int hashCode() {
    int h = 83548945;
    h = boostHashCombine(h, _hashCode(condition));
    h = boostHashCombine(h, _hashCode(body));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {condition, body}; }
public Object transformUsing(IF1 f) { return new While(f.get(condition), f.get(body)); }
public void visitUsing(IVF1 f) { f.get(condition); f.get(body); }
}

   // native predicate return type (Bool/SS/null)

  // like a native predicate, but doesn't return anything
  static class CodeFragment {
    String head;
    IVF2<Map<String, String>, Env> body;
    boolean keepBrackets = false;
    
    CodeFragment(String head, IVF2<Map<String, String>, Env> body, boolean keepBrackets) {
  this.keepBrackets = keepBrackets;
  this.body = body;
  this.head = head;}
    CodeFragment(String head, IVF2<Map<String, String>, Env> body) {
  this.body = body;
  this.head = head;}
    
    public String toString() { return stdToString(this); }
  }

  static class Env {
    boolean wantAlternatives = false;

    boolean wantAlternatives() { return wantAlternatives; }
  }

  static class WithAlternative implements IFieldsToList{
  IF0<Object> alternative;
  Object result;
  WithAlternative() {}
  WithAlternative(IF0<Object> alternative, Object result) {
  this.result = result;
  this.alternative = alternative;}
  public String toString() { return shortClassName(this) + "(" + alternative + ", " + result + ")"; }

public boolean equals(Object o) {
if (!(o instanceof WithAlternative)) return false;
    WithAlternative __9 =  (WithAlternative) o;
    return eq(alternative, __9.alternative) && eq(result, __9.result);
}

  public int hashCode() {
    int h = -1195262233;
    h = boostHashCombine(h, _hashCode(alternative));
    h = boostHashCombine(h, _hashCode(result));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {alternative, result}; }
}
  
  // body takes variable mapping
  // body can return
  //   Bool => immediate result (ok or fail)
  //   SS   => variable mapping
  //   WithAlternative
  //   Iterator<NPRet>
  //   null => not applicable
  // For "for $x in ..." statements, return a Iterable<stringable>?
  static class NativePredicate implements IFieldsToList{
  static final String _fieldOrder = "head body";
  String head;
  IF2<Map<String, String>, Env, Object> body;
  NativePredicate() {}
  NativePredicate(String head, IF2<Map<String, String>, Env, Object> body) {
  this.body = body;
  this.head = head;}
  public String toString() { return shortClassName(this) + "(" + head + ", " + body + ")"; }

public boolean equals(Object o) {
if (!(o instanceof NativePredicate)) return false;
    NativePredicate __10 =  (NativePredicate) o;
    return eq(head, __10.head) && eq(body, __10.body);
}

  public int hashCode() {
    int h = 1520196416;
    h = boostHashCombine(h, _hashCode(head));
    h = boostHashCombine(h, _hashCode(body));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {head, body}; }
}
  
  
   // procedures are a list of statements
  
  // trail of a transformed fact
  static class TTransformed implements IFieldsToList{
  String fact;
  IF1<String, String> transformer;
  TTransformed() {}
  TTransformed(String fact, IF1<String, String> transformer) {
  this.transformer = transformer;
  this.fact = fact;}
  public String toString() { return shortClassName(this) + "(" + fact + ", " + transformer + ")"; }

public boolean equals(Object o) {
if (!(o instanceof TTransformed)) return false;
    TTransformed __11 =  (TTransformed) o;
    return eq(fact, __11.fact) && eq(transformer, __11.transformer);
}

  public int hashCode() {
    int h = 1921333271;
    h = boostHashCombine(h, _hashCode(fact));
    h = boostHashCombine(h, _hashCode(transformer));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {fact, transformer}; }
}

  transient String program;
  transient boolean programLoaded = false;
  transient int maxRounds = 1000;
  transient int maxFacts = 1000;
  transient Set<String> facts = syncLinkedCISet();
  transient Set<String> originalFacts = ciSet();
  transient LinkedHashSet<LogicRule> logicRules = new LinkedHashSet(); // modified with sync
  transient AllOnAll<LogicRule, String> rulesOnFacts = new AllOnAll();
  transient AllOnAll<CodeFragment, String> codeOnFacts = new AllOnAll();
  transient AllOnAllWithUpdates<IVF1<String>, String> anyCodeOnFacts = new AllOnAllWithUpdates();
  transient AllOnAll/*WithUpdates*/<IVF1<LogicRule>, LogicRule> anyCodeOnRules = new AllOnAll();
  transient List<List> proceduresToRun = new ArrayList();
 // parsed procedures
  transient long proceduresExecuted;
  transient List<NativePredicate> nativePredicates = new ArrayList();
  transient boolean debugNativeCalls = true, debugAllCmds = true;
  transient boolean verbose = true;
  transient boolean printStackTraces = false;
  transient List onProcedureEnded = new ArrayList();
  transient List<IVF1<LogicRule>> onLogicRuleAdded = new ArrayList();
  transient List<IVF1<String>> onFactAdded = new ArrayList();
  transient boolean printNonMatches, debugContradictionChecks;
  transient boolean standardImportsLoaded = false;
  transient boolean curryAllRules = true; // rewrite "a & b => c" to a => b => c
  transient int logicRulesCounter;
  transient boolean thoughtBegun = false;
  transient boolean printFactsAfterThinking = true;
  transient boolean noteSimplificationsAsFacts = false; // not a good idea - leads to endless loops
  transient boolean parsing = false;

  // return true when you handled adding the rule
  transient List<IF1<LogicRule, Boolean>> logicRulePreprocessors = new ArrayList();
  
  // return true when you handled adding the fact
  transient List<IF1<String, Boolean>> factPreprocessors = new ArrayList();
  
  // extra stuff that is done every round
  transient List<Runnable> extraLogicOperations = new ArrayList();

  transient Set<String> vars = litciset("x", "y", "z");
  
  // phrase replacements that are made in every fact.
  // functionality is enabled by philosophyBot1_addDeepReplacement
  transient Map<String, String> deepReplacements;
  
  transient List<IF1<String, String>> deepTransformers;
  transient List<IF1<String, WithTrail<String>>> trailEnabledDeepTransformers;
  
  // fact -> trail. to enable, initialize with ciMap()
  transient Map<String, Object> trails;
  
  Map extensions;
  
  PhilosophyBot1() {
    // find contradictions
    anyCodeOnFacts.newA(fact -> {
      Boolean b = checkNativeCondition(fact);
      if (debugContradictionChecks)
        print("Fact check: " + b + " - " + fact);
      if (isFalse(b))
        addFactWithTrail("contradiction", trails == null ? null : fact);
    });
    
    _standardHandlers();
  }
  PhilosophyBot1(String program) { this();
  this.program = program; }
  
  void addRule(String s) {
    Pair<String, String> p = splitAtFirstDoubleArrow(javaTokWithBrackets(s));
    if (p == null) if (verbose) print("addRule failed: " + s);
    addLogicRuleWithTrail(new LogicRule(splitAtAmpersand2(p.a), p.b),
      litorderedmap("op" , "addRule", "s", s));
  }
  
  void addRules(Iterable<String> l) {
    for (String s : unnull(l)) addRule(s);
  }
  
  Object splitRuleRHS(Object rhs) {
    if (rhs instanceof String) {
      Pair<String, String> p = splitAtFirstDoubleArrow(javaTokWithBrackets(((String) rhs)));
      if (p != null) return splitRuleRHS(new LogicRule(splitAtAmpersand2(p.a), splitRuleRHS(p.b)));
    
      return splitAtAmpersand2(((String) rhs));
    }
    return rhs;
  }
  
  LogicRule curryLHS(LogicRule rule) {
    while (licensed()) {
      Object lhs = rule.lhs;
      if (lhs instanceof And) {
Object a =  ((And) lhs).a;
Object b =  ((And) lhs).b;
        LogicRule r = rule;
        rule = new LogicRule(a, new LogicRule(b, rule.rhs));
        rule.trail = r.trail;
      }
      else break;
    }
    return rule;
  }
  
  void addLogicRuleWithTrail(LogicRule rule, Object trail) {
    rule.trail = trail;
    addLogicRule(rule);
  }

  void addLogicRule(LogicRule rule, String originalText) {
    //print("originalText=" + originalText + " for " + rule);
    addLogicRuleWithTrail(rule, originalText);
  }
  
  void addLogicRule(LogicRule rule) {
    rule.rhs = splitRuleRHS(rule.rhs);
    
    if (curryAllRules)
      rule = curryLHS(rule);

    for (IF1<LogicRule, Boolean> p : logicRulePreprocessors)
      if (p.get(rule)) return; // has been preprocessed
      
    rule.n = ++logicRulesCounter;
      
    if (printStackTraces) printStackTrace(str(rule));
    if (trails != null && rule.trail == null)
      if (parsing)
        rule.trail = "initial rule";
      else
        throw fail("No trail for rule: " + rule);
        
    // is LHS a native predicate? then eval immediately
    // TODO: multiple conditions
    Boolean b = checkConditionOpt(rule.lhs);
    if (isFalse(b)) return; // drop rule
    if (isTrue(b))
      addRewrittenRHS(rule.rhs, rule);

    if (syncAdd(logicRules, rule)) {
      if (verbose) print("Got logic rule", rule);
      pcallFAll(onLogicRuleAdded, rule);
      anyCodeOnRules.newB(rule);
      rulesOnFacts.newA(rule); // to combine it with the facts
    }
  }
  
  void addFacts(Iterable<String> l) {
    for (String fact : unnull(l)) addFact(fact);
  }
  
  void addFactWithTrail(WithTrail<String> fact) {
    if (fact != null) addFactWithTrail(fact.get(), fact.trail);
  }
  
  void addFactWithTrail(String fact, Object trail) {
    String cleaned = addFact(fact);
    setTrail(cleaned, trail);
  }
  
  void setTrail(String fact, Object trail) {
    mapPut(trails, fact, trail);
  }

  // return cleaned version
  String addFact(String fact) {
    ping();
    fact = trim(fact);
    if (empty(fact)) return null;
    
    if (l(facts) >= maxFacts) return null;
    
    fact = tok_deRoundBracket(fact);
    
    if (printStackTraces) printStackTrace("Adding fact: " + fact);

    if (parsing && getTrail(fact) == null) setTrail(fact, "initial fact");
    
    for (IF1<String, Boolean> p : factPreprocessors)
      if (p.get(fact)) return null; // has been preprocessed

    // Check if it's a procedure
    List<String> tok = mainTokenize(fact);
    if (countCodeTokens(tok) == 2 && firstTokenEqic(tok, "proc")
      && isCurlyBracketed(getCodeToken(tok, 1))) { try {
        // It's a procedure!
        String proc = uncurly_keepSpaces(getCodeToken(tok, 1));
        if (proceduresToRun.add(parseProcedure(proc))) {
          if (verbose) print("Got procedure:");
          if (verbose) print(indentx("> ", proc));
        }
    } catch (Throwable __e) { _handleException(__e); }} /*else if (countCodeTokens(tok) == 2 && firstTokenEqic(tok, "java")
      && isCurlyBracketed(getCodeToken(tok, 1))) pcall {
        // It's Java code
        
    }*/ else // It's a fact, not a procedure
      if (facts.add(fact)) {
        if (verbose) print("Got fact: " + fact);
        pcallFAll(onFactAdded, fact);
        rulesOnFacts.newB(fact); // to combine it with the rules
        codeOnFacts.newB(fact);
        anyCodeOnFacts.newB(fact);
      }
      
    return fact;
  }

  void addRewrittenRHS(Object o, Object trail) {
    if (o instanceof LogicRule)
      addLogicRuleWithTrail(((LogicRule) o), trail);
    else if (o instanceof And) {
Object a =  ((And) o).a;
Object b =  ((And) o).b;
      addRewrittenRHS(a, o);
      addRewrittenRHS(b, o);
    } else if (o != null)
      addFactWithTrail((String) o, trail);
  }

  void addFactFromProgram(String fact) {  
    if (countJavaTokens(fact) == 0) return;
    fact = javaDropAllComments(fact);
    originalFacts.add(fact);
    addFact(fact);
  }

  void runProcedure(String proc) { try {
    if (verbose) print("Running procedure.");
    runParsedProcedure(parseProcedure(proc));
  } catch (Throwable __e) { _handleException(__e); }}

  void runParsedProcedure(List commands) {
    runParsedProcedure(commands, proceduresToRun);
  }
  
  void runParsedProcedure(List commands, List<List> whereToPostCode) {
    ++proceduresExecuted;
    Env env = new Env();
    List remainingCommands = cloneLinkedList(commands);
    Object cmd;
    while ((cmd = popFirst_ping(remainingCommands)) != null) {
      if (cmd instanceof List) { runParsedProcedure(((List) cmd)); continue; }
      if (cmd instanceof Runnable) { ((Runnable) cmd).run(); continue; }
      if (debugAllCmds)
        print("Running cmd: " + sfu(cmd));
      if (cmd instanceof If) {
Object condition =  ((If) cmd).condition;
Object thenBlock =  ((If) cmd).thenBlock;
Object elseBlock =  ((If) cmd).elseBlock;
        Object blockToRun = checkCondition(condition) ? thenBlock : elseBlock;
        runParsedProcedure(ll(blockToRun));
      } else if (cmd instanceof For) {
Object var =  ((For) cmd).var;
Object condition =  ((For) cmd).condition;
Object body =  ((For) cmd).body;
        // make a new logic rule and add it
        // assume the variable is globally declared as a variable
        addLogicRuleWithTrail(new LogicRule(condition, "proc {\n" + body + "\n}"), litorderedmap("op" , "for"));
      } else if (cmd instanceof While) {
Object condition =  ((While) cmd).condition;
Object body =  ((While) cmd).body;
        boolean b = checkCondition(condition);
        if (!b) continue;
        whereToPostCode.add(ll(body, cmd));
      } else if (cmd instanceof Assignment && ((Assignment) cmd).var instanceof String && ((Assignment) cmd).expr instanceof String) {
String var =  (String) (((Assignment) cmd).var);
String expr =  (String) (((Assignment) cmd).expr);
        String result =  (String) (runNativePredicate(expr, new Env()));
        Map<String, String> mapping = litcimap(var, result);
        remainingCommands = mapToLinkedList(remainingCommands,
          c -> replaceVars(c, mapValues(__87 -> optRound(__87),mapping)));
      } else if (cmd instanceof ForIn && ((ForIn) cmd).var instanceof String && ((ForIn) cmd).expr instanceof String) {
String var =  (String) (((ForIn) cmd).var);
String expr =  (String) (((ForIn) cmd).expr);
Object body =  ((ForIn) cmd).body;
        // XXX
        Object result = runNativePredicate(expr, new Env());
        if (!(result instanceof Iterable)) {
          if (verbose) print("Warning: result of " + expr + " not iterable (" + shortClassName(result) + ")");
          continue;
        }
        Iterator it = iterator((Iterable) result);
        Runnable step = new Runnable() {  public void run() { try { 
          if (!it.hasNext()) return;
          String value = str(it.next());
          Map<String, String> map = litcimap(var, value);
          Object body2 = replaceVars(body, map);
          //print("ForIn: " + map + " => " + body2);
          whereToPostCode.add(ll(body2, this));
        
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (!it.hasNext()) return;\r\n          String value = str(it.next());\r\n       ..."; }};
        step.run();
      } else if (cmd instanceof String) {
        Object result = runNativePredicate(((String) cmd), env);
        if (result != null) {
          result = unpackWithAlternativeOrIterator(result);
          if (isFalse(result)) return;
          if (isTrueOpt(result)) continue;
          if (result instanceof String)
            { addFact(((String) result)); continue; }
          Map<String, String> mapping =  (Map<String, String>) result; // assume it's a variable mapping
          // apply to all remaining commands and continue
          List remainingCommands2 = mapToLinkedList(remainingCommands,
            c -> replaceVars(c, mapValues(__88 -> optRound(__88),mapping)));
          if (verbose) print("Applying var mapping " + mapping + " to " + remainingCommands
            + " => " + remainingCommands2);
          remainingCommands = remainingCommands2;
        } else
          addFact(((String) cmd));
      } else if (cmd != null)
        throw fail("Unimplemented command: " + cmd);
    }
    pcallFAll(onProcedureEnded, commands); // notify listeners
  }

  // return var mapping (SS), Bool or null for no matching predicate
  // or result verbatim (e.g. Iterable)
  Object runNativePredicate(String s, Env env) {
    for (NativePredicate np : nativePredicates) {
      Map<String, String> map = zipIt(np.head, s);
      if (map != null) {
        try {
          Object result = np.body.get(mapValues(__89 -> tok_deRoundBracket(__89),map), env);
          if (debugNativeCalls)
            print("Native predicate result: " + np.head + " => " + result);
          if (result instanceof Map && nempty(map)) {
            result = mapKeys((Map<String, String>) result, var -> lookupOrKeep(map, var));
            if (debugNativeCalls)
              print("Rewrote native predicate result: " + result);
          }
          { Object __8= result; if (__8 != null) return __8; }
        } catch (Throwable e) { handleException(e); }
      } else
        if (printNonMatches)
          print("Non-match: " + quote(np.head) + " / " + quote(s));
    }
    return null;
  }

  // returns false if unknown
  boolean checkCondition(Object o) {
    return isTrue(checkConditionOpt(o));
  }
  
  // returns null if unknown
  Boolean checkConditionOpt(Object o) {
    if (o instanceof String) {
      if (contains(facts, ((String) o))) return true;
      { Boolean b = checkNativeCondition(((String) o)); if (b != null) return b; }
    }
    //print("Ignoring condition: " + o);
    return null;
  }
  
  Boolean checkNativeCondition(String o) {
    Object result = runNativePredicate(o, new Env());
    result = unpackWithAlternativeOrIterator(result);
    if (result instanceof Boolean) return ((Boolean) result);
    if (result instanceof Map) return true; // TODO
    return null;
  }

  
boolean parsePythonesqueProcedure_debug = false;

List parsePythonesqueProcedure(String proc) {
  //printStruct(proc);
  proc = withoutLinesEmptyAfterTrim(proc);
  //printStruct(proc);
  //proc = autoUnindent(proc);
  proc = autoUnindent_honoringBrackets(proc);
  //printStruct(proc);
  //print(indentx("> ", proc));
  
  List<String> l = groupPythonStyleIndents_honoringBrackets(proc);
  //pnl("unpythonized ", l);

  List out = new ArrayList();
  If lastIf = null;
  for (int i = 0; i < l(l); i++) {
    String s = l.get(i);
    List<String> tok = javaTokWithBrackets(s);
    if (eqic(firstCodeToken(tok), "if")) {
      assertEquals(s, ":", getCodeToken(tok, 2));
      out.add(lastIf = new If(deRoundBracket(getCodeToken(tok, 1)),
        parsePythonesqueProcedure(joinSubList(tok, 3*2)), null));
      continue;
    }
    if (eqic(firstCodeToken(tok), "unless")) {
      assertEquals(s, ":", getCodeToken(tok, 2));
      out.add(lastIf = new If(deRoundBracket(getCodeToken(tok, 1)),
        null, parsePythonesqueProcedure(joinSubList(tok, 3*2))));
      continue;
    }
    if (eqic(firstCodeToken(tok), "while")) {
      assertEquals(s, ":", getCodeToken(tok, 2));
      out.add(new While(deRoundBracket(getCodeToken(tok, 1)),
        parsePythonesqueProcedure(joinSubList(tok, 3*2))));
      continue;
    }
    if (eqic(firstCodeToken(tok), "else") && eqic(secondCodeToken(tok), "if")) {
      Object last = last(out);
      if (lastIf == null) throw fail("Else if without if");
      assertEquals(s, ":", getCodeToken(tok, 3));
      lastIf.elseBlock = lastIf = new If(deRoundBracket(getCodeToken(tok, 2)),
        parsePythonesqueProcedure(joinSubList(tok, 4*2)), null);
      continue;
    }
    if (eqic(firstCodeToken(tok), "else")) {
      Object last = last(out);
      if (lastIf == null) throw fail("Else without if");
      assertEquals(s, ":", getCodeToken(tok, 1));
      lastIf.elseBlock = joinSubList(tok, 2*2);
      continue;
    }
    
    // assignment
    if (eqGet(tok, 3, ":") && eqGet(tok, 5, "=")) {
      out.add(new Assignment(get(tok, 1), joinSubList(tok, 7)));
      continue;
    }
    
    lastIf = null;
    if (eqic(firstCodeToken(tok), "for")) {
      if (eq(getCodeToken(tok, 2), "in")) {
        int idx = indexOf(tok, ":");
        assertTrue(s, idx >= 0);
        String var = getCodeToken(tok, 1);
        String expr = joinSubList(tok, 3*2+1, idx-1);
        Object body = parsePythonesqueProcedure(joinSubList(tok, idx+1));
        out.add(new ForIn(var, expr, body));
      } else {
        assertEquals(s, ":", getCodeToken(tok, 2));
        String cond = getCodeToken(tok, 1);
        // cond looks like: "(y | x has a y)"
        cond = deRoundBracket(cond);
        List<String> tok2 = javaTok(cond);
        assertEquals(cond, "|", getCodeToken(tok2, 1));
        String var = assertIdentifier(cond, getCodeToken(tok2, 0));
        String actualCondition = trimJoinSubList(tok2, 2*2+1);
        out.add(new For(var, actualCondition, parsePythonesqueProcedure(joinSubList(tok, 3*2))));
      }
    } else
      out.add(s);
  }
  if (parsePythonesqueProcedure_debug)
    pnl("Parsed procedure ", out);
  return out;
}

List parseProcedure(String s) {
    return parsePythonesqueProcedure(s);
  }

  Object splitAtAmpersand2(String s) {
    List<String> l = tok_splitAtAmpersand(s);
    if (l(l) == 1) return s;
    return new And(first(l), splitAtAmpersand2(join(" & ", dropFirst(l))));
  }

  // "zip" a condition with a fact (match word-by-word)
  Map<String, String> zipIt(String cond, String fact) {
    Map<String, String> map = zipIt_keepBrackets(cond, fact);
    if (map == null) return null; // no match
    map = mapValues(__90 -> tok_deRoundOrCurlyBracket(__90),map);
    // handle special case, e.g. "i am x", "i am (x)"
    removeFromMapWhere(map, (k, v) -> eqic(k, v));
    return map;
  }
  
  Map<String, String> zipIt_deBracket(String pat, String s) {
    Map<String, String> map = zipIt(pat, s);
    return map == null ? null : mapValues(__91 -> tok_deRoundOrCurlyBracket(__91),map);
  }

  // "zip" a condition with a fact (match word-by-word)
  Map<String, String> zipIt_keepBrackets(String cond, String fact) {
    Map<String, String> map = gazelle_deepZip_keepBrackets(cond, fact);
    if (map == null) return null; // no match
    if (!all(keys(map), s -> isVar(s))) return null; /*with print("Non-variable changes, exiting")*/;
    return map;
  }

  boolean isVar(String s) {
    return s != null &&
      (vars.contains(s) || s.startsWith("var_") || isDollarVar(s));
  }

  Object replaceVars(Object o, Map<String, String> map) {
    if (empty(map)) return o;
    return transform(x -> replaceVars_base(x, map), o);
  }
  
  Object replaceVars_base(Object o, Map<String, String> map) {
    if (o instanceof String)
      return replaceCodeTokensUsingMap(((String) o), map);
    return null;
  }
  
  String format(String s, Map<String, String> map) {
    return replaceCodeTokensUsingMap(s, mapValues(__92 -> optRound(__92),map));
  }
  
  // if f returns null, go through structure
  Object transform(IF1 f, Object o) {
    return transform_understandsTransformableAndList(f, o);
  }

  void applyLogicRuleToFact(LogicRule rule, String fact) {
    Object lhs = rule.lhs, rhs = rule.rhs;
    Object cond, remaining = null;
    if (lhs instanceof And) {
Object a =  ((And) lhs).a;
Object b =  ((And) lhs).b;
      cond = a;
      remaining = b;
    } else
      cond = lhs;
    
    // now we match the condition with the fact
    Map<String, String> map = zipIt_keepBrackets((String) cond, fact);
    if (map == null) {
      if (printNonMatches)
        print("Non-match: " + quote(cond) + " / " + quote(fact));
      return; // no match
    }

    // Now we have a proper mapping with the keys being variables!
    if (verbose) print("Match: " + quote(cond) + " / " + quote(fact));

    // drop round brackets
    // XXX? map = mapValues tok_deRoundBracket(map);

    // Apply mapping to right hand side
    Object rhs_replaced = replaceVars(rhs, map);
    if (verbose) print("rhs_replaced", rhs_replaced);
    
    Map trail = litorderedmap("op" , "applyLogicRuleToFact",
      "rule", rule, "fact", fact, "rhs_replaced", rhs_replaced, "remaining", remaining);

    if (remaining == null) {
      // No more conditions. Add as fact / new rule
      addRewrittenRHS(rhs_replaced, trail);
    } else {
      // Apply mapping to remaining condition
      Object remaining_replaced = replaceVars(remaining, map);
      trail.put("remaining_replaced", remaining_replaced);
      addLogicRuleWithTrail(new LogicRule(remaining_replaced, rhs_replaced), trail);
    }
  }
  
  public void run() { think(); }

  
boolean smartParser1_verbose = false;

void smartParser1(String program) {
  // split into paragraphs and unindent

  List<String> paragraphs = map(s -> withoutLeadingLinesEmptyAfterTrim_autoUnindent(rtrim(s)), tok_splitAtEmptyLines(program));
  if (smartParser1_verbose) print("Got " + n2(paragraphs, "parapraph"));

  // print the parapraphs
  if (smartParser1_verbose) print(joinWithEmptyLines(map(s -> indentx("> ", s), paragraphs)));

  // throw away comment-only and quoted paragraphs (assume it's a title)
  List<String> paragraphs2 = antiFilter(paragraphs, s -> 
    isSingleLine(trim(s)) && isQuoted(trim(s)) || countJavaTokens(s) == 0
    || endsWith(rtrim(s), "----"));
  if (smartParser1_verbose) print("Got " + n2(paragraphs2, "filtered paragraph"));
  if (smartParser1_verbose) print(joinWithEmptyLines(map(s -> indentx("> ", s), paragraphs2)));

  // find fact paragraphs
  
  if (smartParser1_verbose) print(map("allLinesAreUnindented",paragraphs2));
  Pair<List<String>, List<String>> p1 = filterAntiFilter(s ->
    !isSingleLine(trim(s)) && allLinesAreUnindented(s), paragraphs2);
  List<String> multiFactParagraphs = p1.a, paragraphs3 = p1.b;

  for (String para : multiFactParagraphs)
    for (String s : tlft(para))
      addFactFromProgram(s);

  // find logic rules

  List<String> paragraphs4 = new ArrayList();
  for (String para : paragraphs3) {
    Pair<String, String> p = splitAtFirstDoubleArrow(javaTokWithBrackets(para));
    if (p == null) { paragraphs4.add(para); continue; }
    addLogicRule(new LogicRule(splitAtAmpersand2(p.a), p.b), para);
  }

  if (smartParser1_verbose) pnlStruct("Unparsed - assuming facts", paragraphs4);

  // assume the unparsed stuff consists of facts
  for (String para : paragraphs4)
    addFactFromProgram(para);
}
void parseProgram() {
    if (programLoaded) return;
    programLoaded = true;
    loadProgram(program);
  }
  
  void loadProgram(String program) {
    parsing = true;
    try {
      smartParser1(program);
    } finally {
      parsing = false;
    }
  }

  boolean doSomeLogic() {
    boolean anyAction = false;
    Pair<LogicRule, String> p;
    while ((p = rulesOnFacts.next()) != null) {
      ping();
      anyAction = true;
      //print("Combination: " + p);
      applyLogicRuleToFact(p.a, p.b);
    }
    Pair<CodeFragment, String> p2;
    while ((p2 = codeOnFacts.next()) != null) {
      ping();
      anyAction = true;
      //print("Combination: " + p2);
      applyCodeFragmentToFact(p2.a, p2.b);
    }
    Pair<IVF1<String>, String> p3;
    while ((p3 = anyCodeOnFacts.next()) != null) {
      ping();
      anyAction = true;
      //print("Combination: " + p3);
      pcallF(p3.a, p3.b);
    }
    Pair<IVF1<LogicRule>, LogicRule> p4;
    while ((p4 = anyCodeOnRules.next()) != null) {
      ping();
      anyAction = true;
      pcallF(p4.a, p4.b);
    }
    return anyAction;
  }

  void applyCodeFragmentToFact(CodeFragment cf, String fact) {
    Map<String, String> map = cf.keepBrackets ? zipIt_keepBrackets(cf.head, fact) : zipIt(cf.head, fact);
    if (map != null)
      cf.body.get(mapValues(__93 -> tok_deRoundBracket(__93),map), new Env());
  }
  
  // indicator for end of thought process (when this stays stable)
  long size() {
    return l(logicRules) + l(facts) + proceduresExecuted;
  }

  void think() {
    parseProgram();
    
    thoughtBegun = true;
    
    int round = 0;
 
    while  (round++ < maxRounds) { ping(); 
      long lastSize = size();
      if (verbose) print("Logic round " + round + ", size: " + lastSize);
      while (doSomeLogic() && round++ < maxRounds && l(facts) < maxFacts) {}

      for  (List proc : getAndClearList(proceduresToRun))
        { ping(); runParsedProcedure(proc); }
        
      callFAll(extraLogicOperations);
        
      if (size() == lastSize) {
        if (verbose) print("No changes, exiting");
        break;
      }
    }

    // We're done logicking, so print all the facts gathered

    Collection<String> madeFacts = factsDeduced();
    if (printFactsAfterThinking)
      pnlWithHeading("Facts I deduced", madeFacts);

    // Print say () and print () separately

    List<String> output = new ArrayList();
    for (String fact : madeFacts) {
      List<String> tok = mainTokenize(fact);
      if (countCodeTokens(tok) == 2 && eqicOneOf(getCodeToken(tok, 0), "print", "say"))
        // For the user, we print without all the round brackets
        output.add(tok_dropRoundBrackets(getCodeToken(tok, 1)));
    }
    
    pnlWithHeadingIfNempty("Bot Output", output);
  }

  void addNativePredicate(String head, IF0 body) {
    nativePredicates.add(new NativePredicate(head, (map, env) -> body.get()));
  }
  
  void addNativePredicate(String head, IF1<Map<String, String>, Object> body) {
    nativePredicates.add(new NativePredicate(head, (map, env) -> body.get(map)));
  }

  void addNativePredicate(String head, IF2<Map<String, String>, Env, Object> body) {
    nativePredicates.add(new NativePredicate(head, body));
  }

  // when you only need one result
  Object unpackWithAlternativeOrIterator(Object result) {
    if (result instanceof Iterator) return first((Iterator) result);
    if (result instanceof WithAlternative) return ((WithAlternative) result).result;
    return result;
  }

  void onFactDo(String head, IVF2<Map<String, String>, Env> body) {
    codeOnFacts.newA(new CodeFragment(head, body));
  }

  void onFactDo_keepBrackets(String head, IVF2<Map<String, String>, Env> body) {
    codeOnFacts.newA(new CodeFragment(head, body, true));
  }
  
  List<String> filterByPattern(String pat, Iterable<String> items) {
    return filter(items, i -> zipIt(pat, i) != null);
  }

  // pat = pattern with variables
  // results are mappings with debracketed values
  List<Map<String, String>> matchFacts(String pat) {
    return matchStrings(pat, facts);
  }
  
  Map<String, String> matchString(String pat, String input) {
    return zipIt_deBracket(pat, input);
  }
  
  List<Map<String, String>> matchStrings(String pat, Iterable<String> items) {
    List<Map<String, String>> out = new ArrayList();
    for (String s : items) {
      Map<String, String> map = zipIt_deBracket(pat, s);
      if (map != null)
        out.add(map);
    }
    return out;
  }
  
  List<Pair<String, Map<String, String>>> matchFacts2(String pat) {
    return matchStrings2(pat, facts);
  }
  
  // returns items too
  List<Pair<String, Map<String, String>>> matchStrings2(String pat, Iterable<String> items) {
    List<Pair<String, Map<String, String>>> out = new ArrayList();
    for (String s : items) {
      Map<String, String> map = zipIt_deBracket(pat, s);
      if (map != null)
        out.add(pair(s, map));
    }
    return out;
  }
  
  List<String> matchFacts(String var, String pat) {
    return map(matchFacts(pat), map -> map.get(var));
  }
  
  // pat = pattern with variables
  // results are mappings with debracketed values
  List<Map<String, String>> matchFacts_keepBrackets(String pat) {
    List<Map<String, String>> out = new ArrayList();
    for (String fact : facts) {
      Map<String, String> map = zipIt_keepBrackets(pat, fact);
      if (map != null)
        out.add(map);
    }
    return out;
  }

  void openAllTheories() {  
    for (Map<String, String> map : matchFacts_keepBrackets("theory $x $y"))
      openTheory(tok_deRoundOrCurlyBracket(map.get("$x")), map.get("$y"));
  }
  
  void openTheory(String name) {
    for (Map<String, String> map : matchFacts_keepBrackets("theory $x $y"))
      if (eqic(properUnquote(tok_deRoundBracket($x(map))), name))
        { openTheory(name, $y(map)); return; }
    throw fail("Theory not defined: " + quote(name));
  }

  void openTheory(String name, String body) {
    //print("Raw theory: " + quote(s));
    loadProgram(withoutLeadingLinesEmptyAfterTrim_autoUnindent(tok_deRoundOrCurlyBracket_keepFirstSpacing(body)));
    if (verbose) print("Opened theory " + name);
  }
  
  void autoOpenTheories() {
    onFactDo_keepBrackets("theory $x $y", (map, env) -> openTheory(tok_deRoundOrCurlyBracket(map.get("$x")), map.get("$y")));
  }
  
  // returns number of expectations checked
  int checkExpectations() {
    int n = 0;
    // check if all expect (...) facts are met
    for (Map<String, String> map : matchFacts("expect $x")) {
      assertContains(facts, firstValue(map));
      ++n;
    }
    // check if all don't expect (...) facts are met
    for (Map<String, String> map : matchFacts("don't expect $x")) {
      assertDoesntContain(facts, firstValue(map));
      ++n;
    }
    return n;
  }
  
  void standardImports() {
    if (standardImportsLoaded) return;
    standardImportsLoaded = true;
    registerImport("math", () -> philosophyBot1_math(this));
    registerImport("bool", () -> philosophyBot1_bool(this));
    registerImport("or", () -> philosophyBot1_orHandler(this));
    registerImport("iota", () -> philosophyBot1_iotaHandler(this));
    registerImport("tlft_honoringBrackets", () -> 
      addNativePredicate("tlft_honoringBrackets $x",
        map -> printIf(verbose, "tlft output",
          tlft_honoringBrackets($x(map)))));
    addNativePredicate("printNonMatches", () -> { printNonMatches = true; return true; });

    philosophyBot1_enableAddSimplifier_withTrails(this);
  }
  
  void addFactPreprocessor(IF1<String, Boolean> f) {
    factPreprocessors.add(f);
  }
      
  void addLogicRulePreprocessor(IF1<LogicRule, Boolean> f) {
    logicRulePreprocessors.add(f);
  }
  
  void registerImport(String name, Runnable handler) {
    String line = "import " + name;
    factPreprocessors.add(s -> {
      if (eqic(s, line)) {
        if (verbose) print("Importing " + name);
        handler.run();
        return true;
      }
      return false;
    });
  }
  
  boolean hasFact(String fact) {
    return contains(facts, fact);
  }
  
  boolean hasContradiction() { return hasFact("contradiction"); }
  
  List<String> mainTokenize(String s) {
    return javaTokWithBrackets(s);
  }
  
  // sanitize untrusted input - overly safe version
  String sanitizeInput(String s) {
    return joinWithSpace(antiFilter(words2_plusApostrophe(s), w -> isVar(w)));
  }
  
  void deleteFacts(Iterable<String> l) {
    Set<String> set = asCISet(l);
    facts = filterCISet(facts, f -> !contains(set, f));
  }
  
  Collection<String> factsDeduced() {
    return listMinusList(facts, originalFacts);
  }
  
  Collection<String> deducedFacts() {
    return factsDeduced();
  }
  
  Collection<String> factsDeducedAfterThought() {
    think();
    return deducedFacts();
  }

  
  boolean containsDollarVars(Object o) {
    // abuse transform function
    Flag flag = new Flag();
    withCancelPoint(cp -> {
      transform(x -> {
        if (x instanceof String) {
          if (main.containsDollarVars(((String) x))) {
            flag.raise();
            cancelTo(cp);
          }
          return ((String) x);
        }
        return null;
      }, o);
    });
    return flag.get();
  }
  
  List<LogicRule> allLogicRulesWithoutLHSVars() {
    return filter(logicRules, r -> !containsDollarVars(leftmostCondition(r.lhs)));
  }
  
  Object leftmostCondition(Object o) {
    while (o instanceof And) o = ((And) o).a;
    return o;
  }
  
  void _standardHandlers() {
    philosophyBot_autoOpenTheoriesHandler(this);
    addFactPreprocessor(s -> { if (eqic(s, "standard imports")) { standardImports(); return true; } return false; });
  }
  
  void runAndCheckExpectations() {
    run();
    checkExpectations();
  }
  
  void addDeepTransformer(IF1<String, String> transformer) {
    if (deepTransformers == null) {
      deepTransformers = new ArrayList();
      // enable transformers
      anyCodeOnFacts.newA(fact ->
        addFactWithTrail(gazelle_deepTransform(
          s -> firstTransformersResult(deepTransformers, s), fact),
          trails == null ? null : new TTransformed(fact, transformer)));
    }
    deepTransformers.add(transformer);
  }
  
  void addTrailEnabledDeepTransformer(IF1<String, WithTrail<String>> transformer) {
    if (trailEnabledDeepTransformers == null) {
      trailEnabledDeepTransformers = new ArrayList();
      // enable transformers
      anyCodeOnFacts.newA(fact -> {
        WithTrail<String> simplified = gazelle_deepTransform_withTrail(
          s -> firstTransformersResult_trailEnabled(trailEnabledDeepTransformers, s), fact);
        if (simplified == null) return;
        addFactWithTrail(simplified);
        if (noteSimplificationsAsFacts)
          addFact(format("$x simplifies $y", litmap("$x" , fact, "$y" , simplified.get())));
      });
    }
    trailEnabledDeepTransformers.add(transformer);
  }
  
  Object getExtension(Object key) { return mapGet(extensions, key); }
  
  void addExtension(Object key, Object value) {
    if (extensions == null) extensions = new HashMap();
    extensions.put(key, value);
  }
  
  void enableTrails() { if (trails == null) trails = ciMap(); }
  
  Object getTrail(String fact) { return mapGet(trails, fact); }
  
  // get trail for arbitrary object (fact/rule)
  Object getTrail(Object o) {
    if (o instanceof LogicRule) return ((LogicRule) o).trail;
    if (o instanceof String)
      return mapGet(trails, ((String) o));
    return null;
  }
  
  void printDeducedFactsWithTrails() {
    printAsciiHeading("Deduced facts with trails");
    for (String fact : factsDeduced()) {
      print(fact);
      printUnlessNull("  << ", getTrail(fact));
    }
  }
  
  List<WithTrail<String>> deducedFactsWithTrails() {
    return map(factsDeduced(), s -> new WithTrail(getTrail(s), s));
  }
  
  void setTrailForAllLogicRules(Object trail) {
    for (LogicRule r : logicRules)
      r.trail = trail;
  }
  
  List<LogicRule> logicRules() {
    return cloneList(logicRules);
  }
  
  Pair<Set<LogicRule>, Set<String>> rulesAndFactsUsedForMaking(Object factOrLogicRule) {
    Set l = thingsUsedForMaking(factOrLogicRule);
    return pair(instancesOfAsSet(LogicRule.class,l), setIntersection(asCISet(stringsOnly(l)), facts));
  }
  
  Set thingsUsedForMaking(Object factOrLogicRule) {
    return philosophyBot1_visitTrailsTree_gen(this, null, factOrLogicRule);
  }
  
  void addExtraLogicOperation(Runnable r) {
    extraLogicOperations.add(r);
  }
  
  void addCodeOnFact(IVF1<String> f) {
    anyCodeOnFacts.newA(f);
  }
  
  void updateCodeOnFact(IVF1<String> f) {
    anyCodeOnFacts.updateA(f);
  }
  
  void addCodeOnRule(IVF1<LogicRule> f) {
    anyCodeOnRules.newA(f);
  }
  
  /*void updateCodeOnRule(IVF1<LogicRule> f) {
    anyCodeOnRules.updateA(f);
  }*/
  
  void handleException(Throwable e) {
    print("BOT", e);
  }
}static interface IFactStore {
  void store(String fact);
  void deleteAll(IF1<String, Boolean> filter);
  Collection<String> facts();
}// elements are put to front when added (not when accessed)
static class MRUCache<A, B> extends LinkedHashMap<A, B> {
  int maxSize = 10;

  MRUCache() {}
  MRUCache(int maxSize) {
  this.maxSize = maxSize;}
  
  protected boolean removeEldestEntry(Map.Entry eldest) {
    return size() > maxSize;
  }
  
  Object _serialize() {
    return ll(maxSize, cloneLinkedHashMap(this));
  }
  
  static MRUCache _deserialize(List l) {
    MRUCache m = new MRUCache();
    m.maxSize = (int) first(l);
    m.putAll((LinkedHashMap) second(l));
    return m;
  }
}static abstract class CloseableIterableIterator<A> extends IterableIterator<A> implements AutoCloseable {
  public void close() throws Exception {}
}static interface IF2<A, B, C> {
  C get(A a, B b);
}static interface Producer<A> {
  public A next(); // null when end
}static ThreadLocal<Boolean> DynamicObject_loading = new ThreadLocal();

static class DynamicObject {
  String className; // just the name, without the "main$"
  LinkedHashMap<String, Object> fieldValues;
  
  DynamicObject() {}
  // className = just the name, without the "main$"
  DynamicObject(String className) {
  this.className = className;}
  
  Map<String, Object> _map() { return fieldValues; }
  
  public String toString() {
    return getClass() == DynamicObject.class ? "dyn " + className
      : super.toString();
  }
}static interface IF1<A, B> {
  B get(A a);
}static class PersistableThrowable {
  String className;
  String msg;
  String stacktrace;
  
  PersistableThrowable() {}
  PersistableThrowable(Throwable e) {
    if (e == null)
      className = "Crazy Null Error";
    else {
      className = getClassName(e).replace('/', '.');
      msg = e.getMessage();
      stacktrace = getStackTrace_noRecord(e);
    }
  }
  
  public String toString() {
    return nempty(msg) ? className + ": " + msg : className;
  }
}static class RGBImage implements MakesBufferedImage {
  transient BufferedImage bufferedImage;
  File file;
  int width, height;
  int[] pixels;

  RGBImage() {}

  RGBImage(BufferedImage image) {
    this(image, null);
  }

  RGBImage(BufferedImage image, File file) {
    this.file = file;
    bufferedImage = image;
    width = image.getWidth();
    height = image.getHeight();
    pixels = new int[width*height];
    PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, width, height, pixels, 0, width);
    try {
      if (!pixelGrabber.grabPixels())
        throw new RuntimeException("Could not grab pixels");
      cleanPixels(); // set upper byte to 0
    } catch (InterruptedException e) {
      throw new RuntimeException(e);
    }
  }

  /** We assume it's a file name to load from */
  RGBImage(String file) throws IOException {
    this(new File(file));
  }

  RGBImage(Dimension size, Color color) {
    this(size.width, size.height, color);
  }

  RGBImage(Dimension size, RGB color) {
    this(size.width, size.height, color);
  }

  private void cleanPixels() {
    for (int i = 0; i < pixels.length; i++)
      pixels[i] &= 0xFFFFFF;
  }

  RGBImage(int width, int height, int[] pixels) {
    this.width = width;
    this.height = height;
    this.pixels = pixels;
  }

  RGBImage(int w, int h, RGB[] pixels) {
    this.width = w;
    this.height = h;
    this.pixels = asInts(pixels);
  }

  public static int[] asInts(RGB[] pixels) {
    int[] ints = new int[pixels.length];
    for (int i = 0; i < pixels.length; i++)
      ints[i] = pixels[i] == null ? 0 : pixels[i].getColor().getRGB();
    return ints;
  }

  public RGBImage(int w, int h) {
    this(w, h, Color.black);
  }
  
  RGBImage(int w, int h, RGB rgb) {
    this.width = w;
    this.height = h;
    this.pixels = new int[w*h];
    int col = rgb.asInt();
    if (col != 0)
      for (int i = 0; i < pixels.length; i++)
        pixels[i] = col;
  }

  RGBImage(RGBImage image) {
    this(image.width, image.height, copyPixels(image.pixels));
  }

  RGBImage(int width, int height, Color color) {
    this(width, height, new RGB(color));
  }

  RGBImage(File file) throws IOException {
    this(javax.imageio.ImageIO.read(file));
  }
  
  RGBImage(MakesBufferedImage img) {
    this(toBufferedImage(img));
  }

  private static int[] copyPixels(int[] pixels) {
    int[] copy = new int[pixels.length];
    System.arraycopy(pixels, 0, copy, 0, pixels.length);
    return copy;
  }

  public int getIntPixel(int x, int y) {
    if (inRange(x, y))
      return pixels[y * width + x];
    else
      return 0xFFFFFF;
  }

  public static RGB asRGB(int packed) {
    int r = (packed >> 16) & 0xFF;
    int g = (packed >> 8) & 0xFF;
    int b = packed & 0xFF;
    return new RGB(r / 255f, g / 255f, b / 255f);
  }

  public RGB getRGB(int x, int y) {
    if (inRange(x, y))
      return asRGB(pixels[y * width + x]);
    else
      return new RGB(0xFFFFFF);
  }

  /** alias of getRGB - I kept typing getPixel instead of getRGB all the time, so I finally created it */
  RGB getPixel(int x, int y) {
    return getRGB(x, y);
  }
  
  RGB getPixel(Pt p) { return getPixel(p.x, p.y); }

  public int getWidth() { return width; }
  public int getHeight() { return height; }
  int w() { return width; }
  int h() { return height; }

  /** Attention: cached, i.e. does not change when image itself changes */
  /** @NotNull */
  public BufferedImage getBufferedImage() {
    if (bufferedImage == null) {
      bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
      //bufferedImage.setData(Raster.createRaster(new SampleModel()));
      for (int y = 0; y < height; y++)
        for (int x = 0; x < width; x++)
          bufferedImage.setRGB(x, y, pixels[y*width+x]);
    }
    return bufferedImage;
  }

  RGBImage clip(Rect r) {
    return r == null ? null : clip(r.getRectangle());
  }
  
  RGBImage clip(Rectangle r) {
    r = fixClipRect(r);
    if (r.x == 0 && r.y == 0 && r.width == width && r.height == height) return this;
    int[] newPixels;
    try {
      newPixels = new int[r.width*r.height];
    } catch (RuntimeException e) {
      System.out.println(r);
      throw e;
    }
    for (int y = 0; y < r.height; y++) {
      System.arraycopy(pixels, (y+r.y)*width+r.x, newPixels, y*r.width, r.width);
    }
    return new RGBImage(r.width, r.height, newPixels);
  }

  private Rectangle fixClipRect(Rectangle r) {
    r = r.intersection(new Rectangle(0, 0, width, height));
    if (r.isEmpty())
      r = new Rectangle(r.x, r.y, 0, 0);
    return r;
  }

  public File getFile() {
    return file;
  }

  /** can now also do GIF (not just JPEG) */
  public static RGBImage load(String fileName) {
    return load(new File(fileName));
  }

  /** can now also do GIF (not just JPEG) */
  public static RGBImage load(File file) {
    try {
      BufferedImage bufferedImage = javax.imageio.ImageIO.read(file);
      return new RGBImage(bufferedImage);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  public int getInt(int x, int y) {
    return pixels[y * width + x];
  }

  public void save(File file) throws IOException {
    String name = file.getName().toLowerCase();
    String type;
    if (name.endsWith(".png")) type = "png";
    else if (name.endsWith(".jpg") || name.endsWith(".jpeg")) type = "jpeg";
    else throw new IOException("Unknown image extension: " + name);
    javax.imageio.ImageIO.write(getBufferedImage(), type, file);
  }

  public static RGBImage dummyImage() {
    return new RGBImage(1, 1, new int[] {0xFFFFFF});
  }

  public int[] getPixels() {
    return pixels;
  }
  
  void setPixel(int x, int y, int r, int g, int b) {
    if (x >= 0 && y >= 0 && x < width && y < height)
      pixels[y*width+x] = (limitToUByte(r) << 16) | (limitToUByte(g) << 8) | limitToUByte(b);
  }

  public void setPixel(int x, int y, RGB rgb) {
    if (x >= 0 && y >= 0 && x < width && y < height)
      pixels[y*width+x] = rgb.asInt();
  }

  public void setPixel(int x, int y, Color color) {
    setPixel(x, y, new RGB(color));
  }
  
  void setInt(int x, int y, int rgb) {
    setPixel(x, y, rgb);
  }

  public void setPixel(int x, int y, int rgb) {
    if (x >= 0 && y >= 0 && x < width && y < height)
      pixels[y*width+x] = rgb;
  }
  
  void setPixel(Pt p, RGB rgb) { setPixel(p.x, p.y, rgb); }
  void setPixel(Pt p, Color color) { setPixel(p.x, p.y, color); }

  public RGBImage copy() {
    return new RGBImage(this);
  }

  public boolean inRange(int x, int y) {
    return x >= 0 && y >= 0 && x < width && y < height;
  }

  public Dimension getSize() {
    return new Dimension(width, height);
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;

    RGBImage rgbImage = (RGBImage) o;

    if (height != rgbImage.height) return false;
    if (width != rgbImage.width) return false;
    if (!Arrays.equals(pixels, rgbImage.pixels)) return false;

    return true;
  }

  @Override
  public int hashCode() {
    int result = width;
    result = 31 * result + height;
    result = 31 * result + Arrays.hashCode(pixels);
    return result;
  }

  public String getHex(int x, int y) {
    return getPixel(x, y).getHexString();
  }

  public RGBImage clip(int x, int y, int width, int height) {
    return clip(new Rectangle(x, y, width, height));
  }

  public RGBImage clipLine(int y) {
    return clip(0, y, width, 1);
  }

  public int numPixels() {
    return width*height;
  }
  
  void uncacheBufferedImage() {
    bufferedImage = null;
  }
}
static class SimpleFactStore implements IFactStore {
  List<Fact> facts = synchroList();
  transient boolean verbose = false;
  transient List<Runnable> onChange = syncList();
  
  static class Fact extends HasGlobalID {
    long created = now();
    String text;
    
    Fact() {}
    Fact(String text) {
  this.text = text;}
    
    public String toString() { return text; }
  }
  
  public void store(String fact) {
    if (!any(facts, f -> eqic(f.text, fact))) {
      facts.add(new Fact(fact));
      pcallFAll(onChange);
    }
  }
  
  public void deleteAll(IF1<String, Boolean> filter) {
    for (Fact f : cloneList(facts))
      if (filter.get(f.text)) {
        if (verbose)
          print("Deleting fact: " + f);
        facts.remove(f);
        pcallFAll(onChange);
      }
  }
  
  public List<String> facts() { return map(facts, f -> f.text); }
  
  public String toString() {
    return sfu(this);
  }
  
  void onChange(Runnable r) { onChange.add(r); }
  
  void clear() { facts.clear(); pcallFAll(onChange); }
}static class StringClustersWithIDs {
  List<Cluster> clusters = new ArrayList();
  
  
transient List<Runnable> onChange = syncList();

void change() { pcallFAll(onChange); }
StringClustersWithIDs onChange(Runnable r) { onChange.add(r); return this; }
void removeChangeListener(Runnable r) { onChange.remove(r); }
static class Cluster {
    GlobalID globalID = aGlobalIDObject();
    Set<String> synonyms = ciSet();

    Cluster() {}
    Cluster(String s) { synonyms.add(s); }
    
    public String toString() { return "Cluster " + globalID + ": " + synonyms; }
    
    boolean add(String s) {
      return synonyms.add(s);
    }
  }
 
  List<Cluster> searchForCluster(String s) {
    return filter(clusters, c -> contains(c.synonyms, s));
  }
  
  Cluster clusterWith(String s) {
    return first(searchForCluster(s));
  }
  
  void add(Cluster cluster) {
    clusters.add(cluster);
    change();
  }
  
  void remove(Cluster cluster) {
    clusters.remove(cluster);
    change();
  }
  
  // also adds to list
  Cluster newCluster(String s) {
    Cluster c = new Cluster(s);
    add(c);
    return c;
  }
  
  // also adds to list
  Cluster newCluster(Collection<String> synonyms) {
    Cluster c = new Cluster();
    addAll(c.synonyms, synonyms);
    add(c);
    return c;
  }
  
  // also merges clusters
  void addPair(String a, String b) {
    Cluster c1 = clusterWith(a), c2 = clusterWith(b);
    if (c1 != null)
      if (c2 != null)
        mergeClusters(c1, c2);
      else { c1.add(b); change(); }
    else
      if (c2 != null) { c2.add(a); change(); }
      else
        newCluster(ll(a, b));
  }
  
  void mergeClusters(Cluster a, Cluster b) {
    if (a == b) return;
    a.synonyms.addAll(b.synonyms);
    remove(b);
  }
  
  // either return s or all synonyms from the first cluster containing s
  Set<String> extend(String s) {
    Cluster c = clusterWith(s);
    return c == null ? litciset(s) : c.synonyms;
  }
  
  int totalCount() {
    return intSum(map(clusters, c -> l(c.synonyms)));
  }
  
  boolean eqicOrInSameCluster(String a, String b) {
    if (eqic(a, b)) return true;
    if (a == null || b == null) return false; 
    for (Cluster c : clusters)
      if (contains(c.synonyms, a) && contains(c.synonyms, b))
        return true;
    return false;
  }
}

static class Rect {
  int x, y, w, h;
  
  Rect() {}
  Rect(Rectangle r) {
    x = r.x;
    y = r.y;
    w = r.width;
    h = r.height;
  }
  Rect(int x, int y, int w, int h) {
  this.h = h;
  this.w = w;
  this.y = y;
  this.x = x;}
  Rect(Pt p, int w, int h) {
  this.h = h;
  this.w = w; x = p.x; y = p.y; }
  Rect(Rect r) { x = r.x; y = r.y; w = r.w; h = r.h; }
  
  Rectangle getRectangle() {
    return new Rectangle(x, y, w, h);
  }
  
  public boolean equals(Object o) { return stdEq2(this, o); }
public int hashCode() { return stdHash2(this); }
  
  public String toString() {
    return x + "," + y + " / " + w + "," + h;
  }
  
  int x2() { return x + w; }
  int y2() { return y + h; }
  
  boolean contains(Pt p) {
    return contains(p.x, p.y);
  }
  
  boolean contains(int _x, int _y) {
    return _x >= x && _y >= y && _x < x+w && _y < y+h;
  }
  
  boolean empty() { return w <= 0 || h <= 0; }
}static class AllOnAll<A, B> implements Producer<Pair<A, B>> {
  List<A> aList = new ArrayList();
  List<B> bList = new ArrayList();
  List<Pair<IntRange, IntRange>> todo = new LinkedList();
  List<Pair<A, B>> todo2 = new LinkedList();

  void addA(A a) { newA(a); }
  void addAIfNotNull(A a) { if (a != null) newA(a); }
  
  synchronized void newA(A a) {
    add(aList, a);
    addPair(todo, intRange_last(aList), intRange(0, l(bList)));
  }
  
  synchronized void newAs(Iterable<A> l) {
    for (A a : unnull(l)) newA(a);
  }
  
  void addB(B b) { newB(b); }
  void addBIfNotNull(B b) { if (b != null) newB(b); }
  
  synchronized void newB(B b) {
    add(bList, b);
    addPair(todo, intRange(0, l(aList)), intRange_last(bList));
  }
  
  synchronized void newBs(Iterable<B> l) {
    for (B b : unnull(l)) newB(b);
  }
  
  public synchronized Pair<A, B> next() {
    while (empty(todo2)) {
      if (empty(todo)) return null;
      Pair<IntRange, IntRange> p = popFirst(todo);
      addAll(todo2, outerProduct_pairs(subList(aList, p.a), subList(bList, p.b)));
    }
    return popFirst(todo2);
  }
  
  synchronized List cloneBList() {
    return clonedList(bList);
  }
  
  List<A> getAs() { return aList; }
  List<B> getBs() { return bList; }
}static class Pt {
  int x, y;
  
  Pt() {}
  Pt(Point p) {
    x = p.x;
    y = p.y;
  }
  Pt(int x, int y) {
  this.y = y;
  this.x = x;}
  
  Point getPoint() {
    return new Point(x, y);
  }
  
  public boolean equals(Object o) { return stdEq2(this, o); }
public int hashCode() { return stdHash2(this); }
  
  public String toString() {
    return x + ", " + y;
  }
}static interface Visitable {
  void visitUsing(IVF1 f);
}
static class Cluster extends HasGlobalID {
  Set<String> synonyms = linkedCISet();
  
  void addSynonym(String s) {
    synonyms.add(s);
  }
  
  String firstSynonym() { return first(synonyms); }
  
  public String toString() { return curly(joinWithSlash(synonyms)); }
}static interface Transformable {
  Object transformUsing(IF1 f);
}
static class RGB {
  public float r, g, b; // can't be final cause persistence
  
  RGB() {}
  
  public RGB(float r, float g, float b) {
    this.r = r;
    this.g = g;
    this.b = b;
  }

  public RGB(double r, double g, double b) {
    this.r = (float) r;
    this.g = (float) g;
    this.b = (float) b;
  }

  public RGB(int rgb) {
    this(new Color(rgb));
  }
  
  public RGB(double brightness) {
    this.r = this.g = this.b = max(0f, min(1f, (float) brightness));
  }

  public RGB(Color color) {
    this.r = color.getRed()/255f;
    this.g = color.getGreen()/255f;
    this.b = color.getBlue()/255f;
  }

  public RGB(String hex) {
    int i = l(hex)-6;
    r = Integer.parseInt(hex.substring(i, i+2), 16)/255f;
    g = Integer.parseInt(hex.substring(i+2, i+4), 16)/255f;
    b = Integer.parseInt(hex.substring(i+4, i+6), 16)/255f;
  }

  public float getComponent(int i) {
    return i == 0 ? r : i == 1 ? g : b;
  }

  public Color getColor() {
    return new Color(r, g, b);
  }

  public static RGB newSafe(float r, float g, float b) {
    return new RGB(Math.max(0, Math.min(1, r)), Math.max(0, Math.min(1, g)), Math.max(0, Math.min(1, b)));
  }

  int asInt() { return getColor().getRGB() & 0xFFFFFF; }
  int getInt() { return getColor().getRGB() & 0xFFFFFF; }

  public float getBrightness() {
    return (r+g+b)/3.0f;
  }

  public String getHexString() {
    return Integer.toHexString(asInt() | 0xFF000000).substring(2).toUpperCase();
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (!(o instanceof RGB)) return false;

    RGB rgb = (RGB) o;

    if (Float.compare(rgb.b, b) != 0) return false;
    if (Float.compare(rgb.g, g) != 0) return false;
    if (Float.compare(rgb.r, r) != 0) return false;

    return true;
  }

  @Override
  public int hashCode() {
    int result = (r != +0.0f ? Float.floatToIntBits(r) : 0);
    result = 31 * result + (g != +0.0f ? Float.floatToIntBits(g) : 0);
    result = 31 * result + (b != +0.0f ? Float.floatToIntBits(b) : 0);
    return result;
  }

  public boolean isBlack() {
    return r == 0f && g == 0f && b == 0f;
  }

  public boolean isWhite() {
    return r == 1f && g == 1f && b == 1f;
  }

  public String toString() {
    return getHexString();
  }
  
  int redInt() { return iround(r*255); }
  int greenInt() { return iround(g*255); }
  int blueInt() { return iround(b*255); }
}static class HasGlobalID implements IHasGlobalID {
  
GlobalID globalID =
  
   aGlobalIDObjUnlessLoading(); 

public GlobalID globalID() { return globalID; }
public String globalIDStr() { return strOrNull(globalID); }

String prependGlobalID(String s) { return globalID == null ? s : "[" + globalID + "] " + s; }
}static interface MakesBufferedImage {
  BufferedImage getBufferedImage();
  int getWidth();
  int getHeight();
}/** this class is fully thread-safe */
static class Flag implements Runnable {
  private boolean up = false;

  /** returns true if flag was down before (i.e. flag was actually raised right now) */
  public synchronized boolean raise() {
    if (!up) {
      up = true;
      notifyAll();
      return true;
    } else
      return false;
  }

  public synchronized void waitUntilUp() {
    while (!up) {
      try {
        wait();
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
    }
  }

  public synchronized void waitUntilUp(long timeout) {
    if (!up) {
      try {
        wait(timeout);
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
    }
  }

  public synchronized boolean isUp() {
    return up;
  }
  
  boolean get() { return isUp(); }

  public String toString() {
    return isUp() ? "up" : "down";
  }

  // currently does a semi-active wait with latency = 50 ms
  public void waitForThisOr(Flag otherFlag) { try {
    while (!isUp() && !otherFlag.isUp())
      Thread.sleep(50);
  } catch (Exception __e) { throw rethrow(__e); } }
  
  public void run() { raise(); }
}static interface IF0<A> {
  A get();
}static interface IFieldsToList {
  Object[] _fieldsToList();
}static class And<A> implements IFieldsToList, Transformable, Visitable{
  A a;
  A b;
  And() {}
  And(A a, A b) {
  this.b = b;
  this.a = a;}
  public String toString() { return shortClassName(this) + "(" + a + ", " + b + ")"; }

public boolean equals(Object o) {
if (!(o instanceof And)) return false;
    And __0 =  (And) o;
    return eq(a, __0.a) && eq(b, __0.b);
}

  public int hashCode() {
    int h = 65975;
    h = boostHashCombine(h, _hashCode(a));
    h = boostHashCombine(h, _hashCode(b));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {a, b}; }
public Object transformUsing(IF1 f) { return new And((A) f.get(a), (A) f.get(b)); }
public void visitUsing(IVF1 f) { f.get(a); f.get(b); }
}static interface IVF1<A> {
  void get(A a);
}static interface IVF2<A, B> {
  void get(A a, B b);
}abstract static class DynServerAwareDiscordBot<A extends DynServerAwareDiscordBot.ByServer> extends DynDiscordHopper {
  Map<Long, A> dataByServer = new HashMap();
  int guildCount;
  transient IF0<A> makeByServer; // mandatory
  
  void startMe() {
    super.startMe();
    dm_vmBus_onMessage_q("incomingDiscordReaction",new VF1<Map>() { public void get(Map map) { try { 
      if (!enabled) return;
      Object module = map.get("module");
      if (!dm_isMe(module)) return;
      
      MessageReaction reaction =  (MessageReaction) (map.get("reaction"));
      Guild guild = reaction.getGuild();
      if (guild == null) { print("Ignoring reaction without guild"); return; }
      getByServer(guild).onMessageReaction(map, true);
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "if (!enabled) ret;\r\n      O module = map.get('module);\r\n      if (!dm_isMe(mo..."; }});
    
    dm_vmBus_onMessage_q("discordReactionRemoved",new VF1<Map>() { public void get(Map map) { try { 
      if (!enabled) return;
      Object module = map.get("module");
      if (!dm_isMe(module)) return;
      
      MessageReaction reaction =  (MessageReaction) (map.get("reaction"));
      Guild guild = reaction.getGuild();
      if (guild == null) { print("Ignoring reaction remove without guild"); return; }
      getByServer(guild).onMessageReaction(map, false);
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "if (!enabled) ret;\r\n      O module = map.get('module);\r\n      if (!dm_isMe(mo..."; }});
  }
  
  class ByServer extends DynamicObject {
    long guildID;
    boolean isGuild = false;
    transient Guild guild;
    
    String answer(String s, Map map) { return null; }

    boolean setField(String name, Object value) {
      if (set_trueIfChanged(this, name, value)) return false;
      { _change(); return true; }
    }
    
    Member getSelfMember(Guild guild) {
      return guild.getMember(getSelfUser());
    }
    
    void onMessageReaction(Map map, boolean added) {
      print("onMessageReaction " + added);
    }
  }
  
  @Override String answer(String input, Map map) {
     String __1 = super.answer(input, map); if (!empty(__1)) return __1;  // discord hopping
    
    long guildID = toLong(map.get("guildID"));
    Guild guild =  (Guild) (map.get("guild"));
    long id = guildID;
    print("Guild ID: " + guildID);
    if (id == 0) {
      id = toLong(map.get("userID"));
      print("User ID: " + id);
    }
      
    // config by guild or user
    A data = guild != null ? getByServer(guild) : getByServer(id, id == guildID);
    
    Message msg =  (Message) (map.get("msg"));
    if (msg != null && nempty(msg.getAttachments()))
      return data.answer(input, map);
    else
      return lines_rtrim(nempties(
        map(s -> data.answer(s, map), splitIntoLines(input))));
  }
  
  A getByServer(long id, boolean isGuild) {
    return pairA(getByServer2(id, isGuild));
  }
  
  Pair<A, Boolean> getByServer2(long id, boolean isGuild) {
    A data; boolean isNew = false; Pair<A,Boolean> __2= syncGetOrCreate2(dataByServer, id, makeByServer); data = __2.a; isNew = __2.b;
    data.isGuild = isGuild;
    if (isGuild && data.guildID == 0) {
      data.guildID = id;
      change();
    }
    if (isNew) {
      if (data.isGuild) ++guildCount;
      change();
    }
    return pair(data, isNew);
  }
  
  A getByServer(Guild guild) {
    if (guild == null) return null;
    A a = getByServer(guild.getIdLong(), true);
    a.guild = guild;
    return a;
  }
  
  void start() { try { super.start();
    if (guildCount == 0)
      setField("guildCount" , countValuesWhere_sync(dataByServer, "isGuild" , true));
  } catch (Exception __e) { throw rethrow(__e); } }
  
  int liveGuildCount() {
    return l(discord.getGuilds());
  }
  
  long idForByServer(ByServer bs) {
    return bs == null ? 0 : toLong(keyForValue_sync(dataByServer, (A) bs));
  }
  
  List<String> splitIntoLines(String s) {
    return tlft(s);
  }
}static class WithTrail<A> extends Var<A> {
  Object trail;
  
  WithTrail() {}
  WithTrail(A value) { super(value); }
  WithTrail(Object trail, A value) { super(value);
  this.trail = trail; }
  
  public String toString() {
    if (trail == null) return super.toString();
    return super.toString() + "\n" +
      indentx("[Trail: " + trail + "]");
  }
}static class AllOnAllWithUpdates<A, B> {
  long aCounter, bCounter;
  TreeMap<Long, A> aList = new TreeMap();
  TreeMap<Long, B> bList = new TreeMap();
  List<Pair<LongRange, LongRange>> todo = new LinkedList();
  List<Pair<Long, Long>> todo2 = new LinkedList();

  synchronized void newA(A a) {
    long c = aCounter++;
    aList.put(c, a);
    addPair(todo, longRange_one(c), longRange(0, bCounter));
  }
  
  synchronized void newB(B b) {
    long c = bCounter++;
    bList.put(c, b);
    addPair(todo, longRange(0, aCounter), longRange_one(c));
  }
  
  synchronized void updateA(A a) {
    removeValue(aList, a);
    newA(a);
  }
  
  synchronized void updateB(B b) {
    removeValue(bList, b);
    newB(b);
  }
  
  synchronized Pair<A, B> next() {
    while (licensed()) {
      while (empty(todo2)) {
        if (empty(todo)) return null;
        Pair<LongRange, LongRange> p = popFirst(todo);
        addAll(todo2, outerProduct_pairs(keys(subMap_longRange(aList, p.a)), keys(subMap_longRange(bList, p.b))));
      }
      Pair<Long, Long> p = popFirst(todo2);
      A a = aList.get(p.a);
      B b = bList.get(p.b);
      if (a != null && b != null) return pair(a, b);
    }
    return null;
  }
}static interface IVar<A> extends IF0<A> {
  void set(A a);
  A get();
  
  default boolean has() { return get() != null; }
  default void clear() { set(null); }
  
}static class Cache<A> {
  Object maker; // func -> A
  A value;
  long loaded;
  static boolean debug = false;
  long changeCount;
  Lock lock = lock();
  
  Cache() {}
  Cache(Object maker) {
  this.maker = maker;}
  Cache(IF0<A> maker) {
  this.maker = maker;}

  A get() {
    if (hasLock(lock)) return value; // Must be called from within maker
    Lock __0 = lock; lock(__0); try {
    if (loaded == 0) {
      value = make();
      changeCount++;
      loaded = sysNow();
    }
    return value;
  } finally { unlock(__0); } }

  void clear() {
    Lock __1 = lock; lock(__1); try {
    if (debug && loaded != 0)
      print("Clearing cache");
    value = null;
    changeCount++;
    loaded = 0;
  } finally { unlock(__1); } }

  // clear if older than x seconds
  // 0 does not do anything
  void clear(double seconds) {
    Lock __2 = lock; lock(__2); try {
    if (seconds != 0 && loaded != 0 && sysNow() >= loaded+seconds*1000)
      clear();
  } finally { unlock(__2); } }
  
  // override
  void set(A a) {
    Lock __3 = lock; lock(__3); try {
    value = a;
    ++changeCount;
    loaded = sysNow();
  } finally { unlock(__3); } }
  
  A make() {
    return (A) callF(maker);
  }
}

static interface IHasGlobalID {
  public GlobalID globalID();
}final static class LongRange {
  long start, end;
  
  LongRange() {}
  LongRange(long start, long end) {
  this.end = end;
  this.start = start;}
  
  public boolean equals(Object o) {
    if (o instanceof LongRange) return start == ((LongRange) o).start && end == ((LongRange) o).end;
    return false;
  }
  
  public int hashCode() {
    return boostHashCombine(hashOfLong(start), hashOfLong(end));
  }
  
  long length() { return end-start; }
  
  static String _fieldOrder = "start end";
  
  public String toString() { return "[" + start + ";" + end + "]"; }
}abstract static class DynDiscordHopper extends DynPrintLogAndEnabled {
  
  
  






static boolean _switchableField_discordToken = true; String discordToken;
String discordBotName;
long discordBotID;
boolean reactToBots = true;
transient boolean sendToPostedLinesCRUD = true;

transient JDA discord;
transient Color discordImageEmbedMysteriousLineColor = colorFromHex("36393f");
transient List<IVF2<MessageChannel, String>> onPostedInChannel = syncList();
//transient bool debugPosting;

// when a discord action failed
transient Consumer<Throwable> onQueueError = error -> {
   AutoCloseable __69 = enter(); try {
  printStackTrace(error);
} finally { _close(__69); }};

void startDiscord() {
  if (!discordEnabled()) { print("Not enabled"); return; }
  
  vm_cleanPrints(); // avoid Swing Unicode problem
  logModuleOutput(); // good idea for chat bots

  // TODO: log JDA output going to System.out/err
  discord = discordBot(new ListenerAdapter() {
    @Override
    public void onMessageUpdate(MessageUpdateEvent e) { try {
       AutoCloseable __70 = enter(); try {
      { if (!discordEnabled() || !licensed()) return; }
      
      Message msg = e.getMessage();
      long msgID = msg.getIdLong();
      User user = e.getAuthor();
      long userID = user == null ? 0 : user.getIdLong();
      String content = e.getMessage().getContentRaw();
      MessageChannel channel = e.getChannel();
      long channelID = channel.getIdLong();
      String rendered = msgID + ": " + content;
      //print("Message edited: " + rendered);
      
      vmBus_send("editedDiscordMessage",
        litmapparams("event" , e, "module" , dm_me(), "msgID", msgID, "msg", msg, "content", content,
          "channelID", channelID, "channel", channel, "user", user, "userID", userID));
          
      Object lineConcept = dm_discord_lineForMsgID_unimported(msgID);
      if (lineConcept == null) return; // logging module not enabled
      call(lineConcept, "_setField", "editedText" , content);
    } finally { _close(__70); }} catch (Throwable __e) { _handleException(__e); }}
    
    @Override
    public void onMessageReceived(MessageReceivedEvent e) { try {
       AutoCloseable __71 = enter(); try {
      { if (!discordEnabled() || !licensed()) return; }
      
      // send out raw event
      vmBus_send("discord_onMessageReceived",module(), e);
      
      User user = e.getAuthor();
      if (!reactToUser(user)) { print("Not reacting to user " + user); return; }
      boolean bot = user.isBot();

      long msgID = e.getMessage().getIdLong();
      long userID = user.getIdLong();
      Guild guild = e.getGuild();
      long guildID = toLong(call(guild, "getIdLong"));
      Member member = e.getMember();
      String userName = member == null ? null : member.getNickname(); // the changeable nick name - null sometimes?
      if (userName == null && member != null) userName = member.getEffectiveName();
      if (userName == null) userName = e.getAuthor().getName();
      
      final Message msg = e.getMessage();
      
      MessageChannel channel = e.getChannel();
      long channelID = channel.getIdLong();
      //print("Channel type: " + e.getChannelType());
      boolean isPrivate = e.getChannelType() == ChannelType.PRIVATE;
      String content = trim(msg.getContentRaw());
      print("Msg from " + userName + ": " + content);

      vmBus_send("incomingDiscordMessage",
        litmapparams("fromBot" , bot, "module" , dm_me(), "msgID", msgID, "userID", userID, "userName", userName, "event" , e, "guildID", guildID, "guild", guild, "member", member,
          "msg", msg,
          "content", content, "isPrivate", isPrivate, "channelID", channelID, "channel", channel));
    } finally { _close(__71); }} catch (Throwable __e) { _handleException(__e); }}
    
    @Override
    public void onMessageReactionAdd(MessageReactionAddEvent e) { try {
       AutoCloseable __72 = enter(); try {
      { if (!discordEnabled() || !licensed()) return; }
      MessageReaction r = e.getReaction();
      
      User user = e.getUser();
      if (!reactToUser(user)) return;
      boolean bot = user.isBot();
      
      long msgID = r.getMessageIdLong();
      String emoji = r.getReactionEmote().getName();
      
      vmBus_send("incomingDiscordReaction", litmapparams(
        "reaction" , r,
        "fromBot" , bot, "user", user, "userID" , user.getIdLong(),
        "module" , dm_me(), "msgID", msgID, "emoji", emoji
      ));
    } finally { _close(__72); }} catch (Throwable __e) { _handleException(__e); }}
    
    @Override
    public void onMessageReactionRemove(MessageReactionRemoveEvent e) { try {
       AutoCloseable __73 = enter(); try {
      { if (!discordEnabled() || !licensed()) return; }
      MessageReaction r = e.getReaction();
      
      User user = e.getUser();
      if (!reactToUser(user)) return;
      boolean bot = user.isBot();
      
      long msgID = r.getMessageIdLong();
      String emoji = r.getReactionEmote().getName();
      
      vmBus_send("discordReactionRemoved", litmapparams(
        "reaction" , r,
        "fromBot" , bot, "user", user, "userID" , user.getIdLong(),
        "module" , dm_me(), "msgID", msgID, "emoji", emoji
      ));
    } finally { _close(__73); }} catch (Throwable __e) { _handleException(__e); }}
    
    @Override
    public void onMessageReactionRemoveAll(MessageReactionRemoveAllEvent e) { try {
       AutoCloseable __74 = enter(); try {
      print("TODO: onMessageReactionRemoveAll");
    } finally { _close(__74); }} catch (Throwable __e) { _handleException(__e); }}
    
    @Override
    public void onGuildMemberJoin(GuildMemberJoinEvent event) { try {
       AutoCloseable __75 = enter(); try {
      print("Got guild join");
      { if (!discordEnabled() || !licensed()) return; }
      
      print("Join >> getting user ID");
      long userID = rcall_long("getIdLong",rcall("getUser",event.getMember()));
      print("Join >> sending");
      vmBus_send("discordGuildJoin", litmapparams(
        "module" , dm_me(), "event", event, "userID", userID, "guildID" , discord_guildIDFromEvent_gen(event)
      ));
    } finally { _close(__75); }} catch (Throwable __e) { _handleException(__e); }}
    
    @Override
    public void onGuildMemberLeave(GuildMemberLeaveEvent event) { try {
       AutoCloseable __76 = enter(); try {
      print("Got guild leave");
      { if (!discordEnabled() || !licensed()) return; }

      long userID = rcall_long("getIdLong",rcall("getUser",event.getMember()));
      vmBus_send("discordGuildLeave", litmapparams(
        "module" , dm_me(), "event", event, "userID", userID
      ));
    } finally { _close(__76); }} catch (Throwable __e) { _handleException(__e); }}
  }, "token" , discordToken);
  
  dm_registerAs("liveDiscordModule");
  dm_vmBus_answerToMessage("activeDiscordTokens",new F0<List<String>>() { public List<String> get() { try {  return ll(discordToken);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret ll(discordToken);"; }});
  try {
    setField("discordBotName" , jda_selfUserName(discord));
    setField("discordBotID" , jda_selfUserID(discord));
  } catch (Throwable __e) { _handleException(__e); }
  print("Bot name: " + discordBotName);
}

void cleanMeUp() {
  if (discord != null) { try {
    print("Shutting down discord");
    discord.shutdown();
    print("Bot shut down");
  } catch (Throwable __e) { _handleException(__e); }}
  discord = null;
}

Object userConcept(User user) {
  String crud = dm_gazelle_linesCRUD();
  Object userConcept = dm_call(crud, "uniqUser", user.getIdLong());
  dm_call(crud, "cset", userConcept, litobjectarray("name" , user.getName()));
  return userConcept;
}

// API

MessageChannel getChannel(long channelID) {
  return discord.getTextChannelById(channelID);
}


void postInChannel(long channelID, String msg) {
  postInChannel(channelID, msg, null);
}

void postInChannel(long channelID, String msg, IVF1<Message> onPost) {
  if (channelID == 0) return;
  postInChannel(getChannel(channelID), msg, onPost);
}

void uploadFileInChannel(long channelID, File file, String fileName, String msg, IVF1<Message> onPost) {
  if (channelID == 0) return;
  uploadFileInChannel(getChannel(channelID), file, fileName, msg, onPost);
}

void postInChannel(MessageChannel channel, String msg, IVF1<Message> onPost) {
  String originalMsg = msg;
  msg = shortenForDiscord(msg);
  if (empty(msg)) return;
  
  String postID = !sendToPostedLinesCRUD ? null : (String) dm_pcall(gazelle_postedLinesCRUD(), "postingLine", channel.getId(), msg);

  print("Posting in channel " + channel + ": " + msg);
  pcallFAll(onPostedInChannel, channel, msg);
  MessageAction a = channel.sendMessage(msg);
  if (msg != originalMsg)
    a.addFile(toUtf8(originalMsg), genericTextFileName());
  a.queue(m -> msgPosted(m, onPost, postID), onQueueError);
}

String genericTextFileName() {
  return ymd_minus_hms() + ".txt";
}

void msgPosted(Message m, IVF1<Message> onPost, String postID) {  AutoCloseable __77 = enter(); try {
  if (nempty(postID))
    dm_call(gazelle_postedLinesCRUD(), "donePosting", postID, "discord msg " + m.getId());
  long msgId = m.getIdLong();
  print("I sent msg: " + msgId);
  pcallF(onPost, m);
} finally { _close(__77); }}

void postInChannel(String channel, String msg) {
  long id = dm_discord_channelID(channel);
  if (id == 0) throw fail("Channel not found: " + channel);
  postInChannel(id, msg);
}

void postInChannel(MessageChannel channel, String msg) {
  postInChannel(channel, msg, null);
}

void postImage(Map msgMap, String url) {
  postImage(msgMap, url, "");
}

void postImage(Map msgMap, String url, String description) {
  postImage((MessageChannel) get("channel",msgMap), url, description);
}

void postImage(MessageChannel channel, String url, String description) {
  print("Posting image: " + url);
  channel.sendMessage(
    new EmbedBuilder()
      .setImage(absoluteURL(url))
      //.setTitle(unnull(title))
      .setDescription(unnull(description))
      .setColor(discordImageEmbedMysteriousLineColor)
      .build()).queue(null, onQueueError); // TODO: posted lines
}

void editMessage(long channelID, long msgID, String text) {
  getChannel(channelID).editMessageById(str(msgID), text).queue(null, onQueueError);
}

void sendPM(long userID, String _text) {
  String text = shortenForDiscord(_text);
  if (empty(text)) return;
  print("Sending PM to " + userID + ": " + text);
  discord.getUserById(userID).openPrivateChannel().queue(channel -> {
    channel.sendMessage(text).queue(null, onQueueError);
  }, onQueueError);
  print("PM queued");
}

void reply(Map msgMap, String text) {
  reply(msgMap, text, null);
}

void reply(Map msgMap, String text, Object onPost) {
  if (empty(text = trim(text))) return;
  postInChannel((MessageChannel) msgMap.get("channel"), text, toIVF1(onPost));
}

void iAmTyping(Map msgMap) { try {
  ((MessageChannel) msgMap.get("channel")).sendTyping().queue(null, onQueueError);
} catch (Throwable __e) { _handleException(__e); }}

String startKeepAliveModule() {  AutoCloseable __78 = enter(); try {
  return dm_discord_startKeepAliveModule(module());
} finally { _close(__78); }}

boolean reactToUser(User user) {
  boolean bot = user.isBot();
  
  // don't react to other bots
  if (bot && !reactToBots) return false;
  
  // don't read msgs from myself
  if (user.getIdLong() == discordBotID) return false;
  
  return true;
}

void uploadFileInChannel(MessageChannel channel, File file, String fileName, String msg, IVF1<Message> onPost) {
  msg = shortenForDiscord(msg);
  MessageAction a = empty(msg)
    ? channel.sendFile(file, fileName)
    : channel.sendMessage(msg).addFile(file, fileName);
  a.queue(m -> msgPosted(m, onPost, null), onQueueError);
}

void uploadFileInChannel(MessageChannel channel, byte[] data, String fileName, String msg, IVF1<Message> onPost) {
  msg = shortenForDiscord(msg);
  MessageAction a = empty(msg)
    ? channel.sendFile(data, fileName)
    : channel.sendMessage(msg).addFile(data, fileName);
  a.queue(m -> msgPosted(m, onPost, null), onQueueError);
}

void uploadFileInChannel(long channelID, byte[] data, String fileName, String msg, IVF1<Message> onPost) {
  uploadFileInChannel(getChannel(channelID), data, fileName, msg, onPost);
}

<A> void queue(RestAction<A> action) {
  action.queue(null, onQueueError);
}
boolean discordEnabled() { return enabled; }
  boolean printToModule() { return true; }
  
  boolean discordHopperMetaCmdsEnabled = false;
  long preferredChannelID;
  
  transient double minutesToKeepRecordedAnswers = 60.0;
  List<RecordedAnswer> recordedAnswers = syncList();
  
  static class RecordedAnswer {
    long timestamp;
    long questionMsgID, answerMsgID, channelID;
    String questionText, answerText;
    
    public String toString() { return stdToString(this); }
  }
  
  static boolean _switchableField_verboseEvents = true; transient boolean verboseEvents = false;
  transient List<Runnable> onDiscordStarted = new ArrayList();
  transient List<IVF1<Event>> onDiscordEvent = syncList();
  
  ListenerAdapter genericListener = new ListenerAdapter() {
    public void onGenericEvent(Event e) {  AutoCloseable __1 = enter(); try {
      if (verboseEvents) print("Discord event: " + e);
      pcallFAll(onDiscordEvent, e);
    } finally { _close(__1); }}
  };
  
  void onDiscordEvent(IVF1<Event> e) {
    onDiscordEvent.add(e);
  }
  
  void enhanceFrame(Container f) { super.enhanceFrame(f);
    internalFramePopupMenuItem(f, "Start keep-alive module", runnableThread(new Runnable() {  public void run() { try {  startKeepAliveModule(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "startKeepAliveModule();"; }}));
    minFrameSize(f, 300, 300);
  }

  // Note: Breaking change - moved start to thread
  void start() { try { super.start(); startThread("Start", new Runnable() {  public void run() { try {      AutoCloseable __2 = enter(); try { try {
    init();
    startMe();
  } catch (Throwable __e) { _handleException(__e); }} finally { _close(__2); }
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "AutoCloseable __2 = enter(); try { try {\r\n    init();\r\n    startMe();\r\n  } ca..."; }});} catch (Exception __e) { throw rethrow(__e); } }
  
  void startMe() {
    dm_vmBus_onMessage_q("incomingDiscordMessage",new VF1<Map>() { public void get(Map map) { try { 
      if (!enabled) return;
      Object module = map.get("module");
      if (!dm_isMe(module)) return;
      String s = getString("content",map);
      
      long channelID = toLong(map.get("channelID"));
      if (channelID != 0 && preferredChannelID == 0)
        setField("preferredChannelID" , channelID);
        
      cleanRecordedAnswers();
      
      String answer = answer(s, map);
      sendReply(map, answer);
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "if (!enabled) ret;\r\n      O module = map.get('module);\r\n      if (!dm_isMe(mo..."; }});
    if (!enabled) return;
    startDiscord();
    discord.addEventListener(genericListener);
    pcallFAll(onDiscordStarted);
  }
  
  void sendReply(Map map, String answer) {
    if (empty(answer)) return;
    cleanRecordedAnswers();
    RecordedAnswer a = new RecordedAnswer();
    if (minutesToKeepRecordedAnswers > 0) {
      a.timestamp = now();
      a.questionMsgID = getLong("msgID",map);
      a.channelID = getLong("channelID",map);
      a.questionText = getString("content",map);
      a.answerText = answer;
      print("Recording answer : " + a);
      recordedAnswers.add(a);
      change();
    }
    
    dm_rcall("reply",map.get("module"), map, answer, (IVF1<Message>) msg -> {
      a.answerMsgID = rcall_long("getIdLong",msg);
      change();
    });
  }
  
  String answer(String s, Map map) {
    if (discordHopperMetaCmdsEnabled && eq(s, "!bot count"))
      return lstr(dm_activeDiscordTokens());
      
    if (eq(s, "!ip address"))
      return myPublicIP();

    List<String> tokens = extractPossibleDiscordTokens(s);
    for (String token : unnull(tokens)) {
      if (getLong("guildID",map) != 0)
        return "Send tokens only in private messages!!";
        
      String answer = "That's a Discord token!";
      if (contains(concatLists((List<List<String>>) vmBus_queryAll("activeDiscordTokens")), token))
        answer += " And I'm there already.";
      else {
        answer += " Jumping there!!";
        dm_showNewModuleWithParams(dm_moduleLibID(), "discordToken" , token);
      }
      reply(map, answer);
    }
    
    return null;
  }
  
  String atSelf() { return discordAt(discordBotID); }
  
  // sometimes mentions come in like this?
  String atExclamSelf() { return discordAtExclam(discordBotID); }
  
  void onDiscordStarted(Runnable r) { onDiscordStarted.add(r); }
  
  User getSelfUser() { return discord.getSelfUser(); }
  
  // OVERRIDE ME
  void init() {
    dm_watchField("discordToken",new Runnable() {  public void run() { try {  if (nempty(discordToken) && enabled) dm_reloadModule() ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (nempty(discordToken) && enabled) dm_reloadModule()"; }});
    dm_reloadOnFieldChange("enabled");
  }
  
  void cleanRecordedAnswers() {
    RecordedAnswer a;
    boolean change = false;
    synchronized(recordedAnswers) {
      while ((a = first(recordedAnswers)) != null
       && elapsedMinutes_timestamp(a.timestamp) > minutesToKeepRecordedAnswers) {
        print("Removing old answer: " + a);
        recordedAnswers.remove(a);
      }
      change = true;
    }
    if (change) change();
  }
  
  public JComponent visualize() { JComponent _c = super.visualize();
    if (empty(discordToken))
      containerAddFirst(buttons, jThreadedButton("Give me a token!", new Runnable() {  public void run() { try { 
         AutoCloseable __3 = enter(); try { dm_stringFieldDialog("discordToken");
      
} finally { _close(__3); }} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "temp enter(); dm_stringFieldDialog discordToken();"; }}));
      
    addToContainer(buttons, jPopDownButton_noText(
      "Export all my data...", runnableThread(new Runnable() {  public void run() { try {  dm_exportStructureToTextFileDialog(module()) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "dm_exportStructureToTextFileDialog(module())"; }}),
      "Import all my data...", runnableThread(new Runnable() {  public void run() { try {  dm_importStructureFromTextFileDialog(module()) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "dm_importStructureFromTextFileDialog(module())"; }})
    ));
  return _c; }
  
  boolean warnOnDelete() { return true; }
  
  // API
  
  String migrateToType(String moduleLibID) {
    String moduleID = assertNotNull(dm_showNewModuleWithParams(moduleLibID, "discordToken", discordToken));
    print("Migrated to new module " + moduleID + ", disabling me");
    setEnabled(false);
    dm_reload(); // actually disable Discord
    return moduleID;
  }
}

abstract static class DynPrintLogAndEnabled extends DynPrintLog {
  
volatile boolean enabled = true;
transient JPanel buttons;

public JComponent visualize() { return dm_visualizeWithEnabled(super.visualize()); }

JComponent visualizeWithoutEnabled() { return super.visualize(); }
  
JComponent dm_visualizeWithEnabled(JComponent main) {
  return centerAndSouthWithMargins(main,
    buttons = makeControlArea());
}

JPanel makeControlArea() {
  return jrightalignedline(makeEnabledCheckBox());
}

static JCheckBox makeEnabledCheckBox() {
  return dm_fieldCheckBox("enabled");
}
  
void setEnabled(boolean b) { setField("enabled" , b); }
}

abstract static class DynPrintLog extends DynModule {
  transient JFastLogView_noWrap printLogView;
  transient Lock updatePrintLog_lock = lock();
  transient StringBuffer actualPrintLog;
  transient int printLogUpdateInterval = 500;
  
  public JComponent visualize() {
    JComponent section = jSection("Log",
      jscroll_copyBackground(printLogView = jFastLogView_noWrap(getPrintLog())));
    componentPopupMenuItem(section, "Clear", new Runnable() {  public void run() { try {   AutoCloseable __3 = enter(); try {  dm_clearModulePrintLog(); 
} finally { _close(__3); }} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "temp enter();  dm_clearModulePrintLog();"; }});
    return awtEvery(section, printLogUpdateInterval, new Runnable() {  public void run() { try {  updatePrintLog(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "updatePrintLog();"; }});
  }
  
  void updatePrintLog() { swing(new Runnable() {  public void run() { try { 
    // TODO: optimize
    Lock __0 = updatePrintLog_lock; lock(__0); try {
    JFastLogView_noWrap _view = printLogView;
    if (_view == null) return;
    if (_view.setText(getPrintLog())) {
      // Still trying to reliably scroll down
      scrollAllTheWayDown(_view);
      awtLater(100, new Runnable() {  public void run() { try {  scrollAllTheWayDown(_view) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "scrollAllTheWayDown(_view)"; }});
    }
  } finally { unlock(__0); } 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "// TODO: optimize\r\n    Lock __0 = updatePrintLog_lock; lock(__0); try {\r\n    ..."; }}); }
  
  JFastLogView_noWrap myPrintLogComponent() { return printLogView; }
  
  void enableWordWrap() { // TODO
  }
  
  String getPrintLog() {
    if (actualPrintLog == null) {
      if (printToModule())
        actualPrintLog = _printLog;
      else
        actualPrintLog = liveLocalPrintLog_realMC(this);
    }
    return str(actualPrintLog);
  }
}

static class JFastLogView_noWrap extends JComponent implements Scrollable {
  List<String> lines = syncList();
  boolean endsWithNewLine, verbose;
  
  public Dimension getPreferredScrollableViewportSize() { return getPreferredSize(); }
    
  public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction) { return 20; }

  public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction) {
    return (direction == SwingConstants.HORIZONTAL ? visibleRect.width : visibleRect.height)*5/6;
  }

  public boolean getScrollableTracksViewportWidth() { return false; }
  public boolean getScrollableTracksViewportHeight() { return false; }
    
  public void paint(Graphics g) {
    //if (verbose) _print("JFastLogView_noWrap painting");
    int w = getWidth(), h = getHeight();
    g.setColor(getBackground());
    g.fillRect(0, 0, w, h);
    g.setColor(getForeground());
    FontMetrics fm = componentFontMetrics(this);
    int fh = fm.getHeight();
    Rectangle clip = g.getClipBounds();
    int start, end;
    if (clip == null) { start = 0; end = l(lines); }
    else {
      start = max(0, clip.y/fh);
      end = min(l(lines), idiv_ceil(clip.y+clip.height, fh));
    }
    //printVars(+start, +end);
    int y = fm.getAscent()+start*fh;
    for (int i = start; i < end; i++) {
      String s = get(lines, i);
      if (s != null) g.drawString(s, 0, y);
      y += fh;
    }
    //if (verbose) _print("JFastLogView_noWrap painted");
  }
  
  public Dimension getPreferredSize() {
    FontMetrics fm = componentFontMetrics(this);
    if (fm == null) return new Dimension(50, 50); // not renderable yet
    int fh = fm.getHeight();
    int w = 0;
    for (int i = 0; i < l(lines); i++) {
      String s = get(lines, i);
      w = max(w, fm.stringWidth(unnull(s))); // TODO: just count chars
    }
    return new Dimension(w, fh*l(lines));
  }
  
  JFastLogView_noWrap() {}
  JFastLogView_noWrap(String text) { setText(text); }
  
  {
    componentPopupMenuItem(this, "Copy full text", new Runnable() {  public void run() { try {  copyFullText(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "copyFullText();"; }});
  }
  
  // API
  
  // returns true if changed
  boolean setLines(Collection<String> lines) {
    List<String> newList = asSyncList(lines);
    if (eq(this.lines, newList)) return false;
    this.lines = newList;
    _revalidate(this);
    return true;
  }
  
  // returns true if changed
  boolean setText(String text) {
    endsWithNewLine = endsWithNewLine(text);
    return setLines(lines(text));
  }
  
  void append(String text) {
    if (nempty(text)) setText(getText() + text);
  }
  
  String getText() {
    return lines_rtrimIf(!endsWithNewLine, cloneList(lines));
  }
  
  void copyFullText() {
    copyTextToClipboard(getText());
  }
}static abstract class DynModule {
  // we really shouldn't have used up these variable names
  // (subclasses can't overload them due to how the persistence works)
  String name, toolTip; // module name, module tool tip in task bar
  
  PersistableThrowable _error;
  Map<String, Collection<String>> mechLists;
  Map<String, Boolean> _persistenceInfo;
  
  transient Object _host;
  transient Map timers = newWeakHashMap(); // all kinds of resources actually; value is closer helper
  transient Set<AutoCloseable> _resources = synchroHashSet();
  transient Lock lock; // set by stem
  transient boolean persistOnChangedField = true;
  transient int changeCount;
  transient Object changeCountSync = new Object();
  transient List onChange;
  transient List onTransientChange;
  transient boolean verboseTimers = false;
  transient ReliableSingleThread rstUpdate;
  transient Set<String> componentFieldsToKeep;
  transient Map<String, Object> transientGeneralMap = synchroHashMap();
  transient Q q; // module command queue
  transient List onFieldChange; // also for non-persistent fields. L<voidfunc(S field)>
  transient boolean _hasPreviousBounds = false;
  transient StringBuffer _printLog = new StringBuffer();
  transient boolean deleted = false;
  
  DynModule() {
    dm_initErrorHandling();
    setMainDesktopPane((JDesktopPane) getCreatorOpt("desktop"));
  }
  
  boolean isVisible() { return isTrue(getOpt(_host, "visible")); }
  
  String moduleName() { return name; }
  
  void setModuleName(String name) {
    String oldName = this.name;
    if (!eq(name, oldName)) {
      setField("name", name);
      possiblyInternalFrameTitle(vis(), name);
      vmBus_send("moduleNameChange", this, oldName, name);
    }
  }
  
  void setModuleToolTip(String toolTip) {
    this.toolTip = toolTip;
  }
  
  JComponent vis() {
    return (JComponent) getOpt(_host, "vis");
  }
  
  <A extends AutoCloseable> A ownResource(A a) {
    if (a != null)
      _resources.add(a);
    return a;
  }
  
  <A> A ownTimer(A timer) {
    if (timer instanceof AutoCloseable) ownResource((AutoCloseable) timer);
    ownTimer(timer, "cancelTimerOrInterruptThread");
    return timer;
  }
  
  void ownTimer(Object timer, Object closerHelper) {
    timers.put(timer, closerHelper);
  }
  
  void singleTimer(java.util.Timer timer) {
    stopAllTimers();
    ownTimer(timer);
  }
  
  void stopAllTimers() {
    for (AutoCloseable resource : getAndClearList(_resources)) {
      if (verboseTimers)
        print("Releasing resource: " + resource);
      try { resource.close(); } catch (Throwable __e) { _handleException(__e); }
    }
      
    { final Map<Object, Object> __0 = getAndClearMap(timers); for (Object timer : keys( __0)) { Object closerHelper = __0.get(timer); 
      if (verboseTimers)
        print("Stopping timer: " + closerHelper + " / " + timer);
      pcallFInRealOrMyMC(this, closerHelper, timer);
    }}
  }
  
  boolean isDeleted() { return deleted; }
  
  void cleanMeUp_dynModule() {
    deleted = true;
    stopAllTimers();
  }
  
  void persistMe() {
    synchronized(changeCountSync) { ++changeCount; }
    pcallFAll(onChange); callOpt(_host, "_change");
    updateMe();
  }
  
  void fireChangeWithoutPersisting() {
    pcallFAll(onChange);
  }
  
  void fireTransientChange() {
    pcallFAll(onTransientChange);
  }
  
  void _change() { persistMe(); }
  void change() { persistMe(); }
  
  void updateMe() {
    rstUpdate().trigger();
  }
  
  void changeAndUpdate() { _change(); updateMe(); }
  
  boolean setField(String name, Object value) {  AutoCloseable __5 = enter(); try {
    {
      // lock lock; // this leads to too many problems
      try { // some really weird classes fail on equals() (BCEL JavaClass, I'm looking at you)
        if (eq(get(this, name), value)) return false;
      } catch (Throwable __e) { _handleException(__e); }
      set(this, name, value);
    } // releasing lock before calling _change()!
    pcallFAll(onFieldChange, name);
    if (persistOnChangedField
      //&& !isTransientField(this, name)
      && !isFalse(mapGet(_persistenceInfo, name)))
      _change();
    return true;
  } finally { _close(__5); }}
  
  <A> A setFieldAndReturn(String name, A value) {
    setField(name, value);
    return value;
  }
  
  boolean setFields(Object... params) {
    boolean change = false;
    for (int i = 0; i < l(params); i += 2)
      if (setField((String) params[i], params[i+1])) change = true;
    return change;
  }
  
  void start() {
    _hasPreviousBounds = dm_getBounds() != null;
    if (hasMethod_onTypes(this, "onTopInput", String.class))
      dm_onTopInput_q(new VF1<String>() { public void get(String s) { try {  call(module(), "onTopInput", s) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "call(module(), 'onTopInput, s)"; }});
  }
  
  void revisualize() {
    call(creator(), "revisualizeModule", _host);
  }
  
  AutoCloseable enter() {
    AutoCloseable c = tempSetThreadLocal(dm_currentModule_value, new WeakReference(this));
    final Object realMC = getMainClass(this);
    if (printToModule())
      c = combineAutoCloseables(c, tempInterceptPrintIfNotIntercepted(_printToModuleInterceptor()));
    if (realMC != mc()) {
      if (printToModule())
        c = combineAutoCloseables(c, (AutoCloseable) callOpt(realMC, "tempInterceptPrintIfNotIntercepted", _printToModuleInterceptor()));
      else
        c = combineAutoCloseables(c, tempInterceptPrintIfNotIntercepted(new F1<String, Boolean>() { public Boolean get(String s) { try { 
          { call(realMC, "print", s); return false; }
         } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret false with call(realMC, 'print, s);"; }}));
      c = combineAutoCloseables(c, tempSetTL(realMC_tl(), realMC));
    }
    return c;
  }
  
  F1<String, Boolean> _printToModuleInterceptor() {
    return new F1<String, Boolean>() { public Boolean get(String s) { try { 
      if (print_preprocess != null) s = (String) callF(print_preprocess, s);
      s = fixNewLines(s);
      Appendable loc = _printLog;
      Appendable buf = print_log;
      int loc_max = print_log_max;
      if (buf != loc && buf != null) {
        print_append(buf, s, print_log_max);
        loc_max = local_log_max;
      }
      if (loc != null) 
        print_append(loc, s, loc_max);
      System.out.print(s);
      return false;
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "if (print_preprocess != null) s = (S) callF(print_preprocess, s);\r\n      s = ..."; }};
  }
  
  boolean printToModule() { return true; } // on by default now
  
  AutoCloseable enterAndLock() {
    return combineAutoCloseables(enter(), tempLock(lock));
  }
  
  boolean setError(Throwable e) {
    setField("_error" , persistableThrowable(e));
    return true;
  }
  
  void clearError() {
    setField("_error" , null);
  }
  
  void onChange(Runnable r) {
    Lock __1 = lock; lock(__1); try {
    if (onChange == null) onChange = synchroList();
    addIfNotThere(onChange, r);
  } finally { unlock(__1); } }
  
  void onFieldChange(VF1<String> r) {
    Lock __2 = lock; lock(__2); try {
    if (onFieldChange == null) onFieldChange = synchroList();
    addIfNotThere(onFieldChange, r);
  } finally { unlock(__2); } }
  
  void onChangeAndNow(Runnable r) {
    onChange(r);
    callF(r);
  }
  
  // forward to main class
  void onChangeAndNow(JComponent c, Object r) {
    onUpdateAndNow(c, r);
  }
  
  /*static*/ <A extends JComponent> A onChange(A tc, Object r) {
    onUpdate(tc, r);
    return tc;
  }

  void update() {}
  
  void unvisualize() {
    zeroAllFieldsOfTypeExcept(this, Component.class, componentFieldsToKeep);
  }
  
  // return L<AbstractAction> (legacy)
  // or litobjectarray(text, Runnable, text, Runnable, ...)
  Object menuItems() {
    return null;
  }
  
  void enhanceFrame(Container f) {
    
    Object items = menuItems();
    if (items instanceof Object[])
      items = paramsToAbstractActions((Object[]) items);
    internalFramePopupMenuFromActions_threaded(f, (List) items);
    
    
    String switchableFields =  (String) (callOpt(this, "switchableFields"));
    Set<String> set = asLinkedHashSet(splitAtSpace(switchableFields));
    Matches m = new Matches();
    for (String field : allFields(this))
      if (startsWith(field, "_switchableField_", m))
        set.add(m.rest());
    for (String field : set) {
      Class type = fieldType(this, field);
      if (eq(boolean.class, type))
        dm_boolFieldMenuItem(f, field);
      else if (eq(int.class, type))
        dm_intFieldMenuItem(f, field);
      else if (eq(double.class, type))
        dm_doubleFieldMenuItem(f, field);
      else if (eq(String.class, type))
        dm_stringFieldMenuItem(f, field);
    }
    
  }
  
  // assume this is called in start(), so no locking
  ReliableSingleThread rstUpdate() {
    if (rstUpdate == null) rstUpdate = dm_rst(this, new Runnable() {  public void run() { try {   AutoCloseable __6 = enter(); try { update(); 
} finally { _close(__6); }} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "temp enter(); update();"; }});
    return rstUpdate;
  }
  
  Q q() {  AutoCloseable __7 = enter(); try {
    if (q == null) {
      Lock __3 = lock; lock(__3); try {
      if (q == null) q = dm_startQ();
    } finally { unlock(__3); } }
    return q;
  } finally { _close(__7); }}
  
  <A> A withUpdate(A a) {
    rstUpdate().trigger();
    return a;
  }
  
  DynModule module() { return this; }
  DynModule me() { return this; }
  
  JComponent visualize() {
    return dm_noVisualisation();
  }
  
  String programTitle_cache;
  String programTitle() {
    if (programTitle_cache == null)
      programTitle_cache = snippetTitle(programID(mainClass(this)));
    return programTitle_cache;
  }
  
  // field must be non-transient
  void doPersist(String field) {
    _persistenceInfo = mapMinus(_persistenceInfo, field);
  }
  
  void dontPersist(String field) {
    _persistenceInfo = mapPlus(_persistenceInfo, "field" , false);
  }
  
  Appendable _actualPrintLog() { return printToModule() ? _printLog : print_log; }
}

static void _registerTimer(java.util.Timer timer) {
  _registerTimer_original(timer);
  dm_currentModule().ownTimer(timer);
}


/*
TODO: thread {} should enter the module
svoid _onLoad_moduleThreadInfo {
  _threadInfo_addMakerAndRetriever(
    voidfunc(Map map) { mapPut(map, dm_current := dm_currentModule()) },
    voidfunc(Map map) { dm_enter((S) map.get('dm_current)) });
}
*/
static class Q implements AutoCloseable {
  String name = "Unnamed Queue";
  List<Runnable> q = synchroLinkedList();
  ReliableSingleThread rst = new ReliableSingleThread(new Runnable() {  public void run() { try {  _run() ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "_run()"; }});
  volatile boolean retired = false;
  
  Q() {}
  Q(String name) {
  this.name = name;}
  
  void add(Runnable r) {
    q.add(r);
    _trigger();
  }
  
  void addInFront(Runnable r) {
    q.add(0, r);
    _trigger();
  }
  
  void _trigger() {
    rst.name = name;
    rst.go();
  }
  
  void add(Object r) {
    add(toRunnable(r));
  }
  
  void _run() {
    Runnable r;
    while (licensed() && !retired && (r = syncPopFirst(q)) != null) {
      try { r.run(); } catch (Throwable __e) { _handleException(__e); }
    }
  }
  
  public void close() { retired = true; } // TODO: interrupt thread
  void done() {} // legacy function
  
  boolean isEmpty() { return q.isEmpty(); }
  int size() { return q.size(); }
  
  Object mutex() { return q; } // clients can synchronize on this
  List<Runnable> snapshot() { return cloneList(q); }
}static class ReliableSingleThread implements Runnable {
boolean _isTransient() { return true; }
  Object runnable;
  String name = "Single Thread";
  boolean cancelBeforeTrigger = false; // always cancel running thread and wait for it to end before starting new operation
  F0<AutoCloseable> enter; // optional ownership marker, e.g. for DynModules
  int cancelTimeOut = 10000;
  
  boolean trigger = false;
  Thread thread;
  WeakReference<Thread> threadBeingCancelled;
  
  ReliableSingleThread(Object runnable) {
  this.runnable = runnable;}
  
  void trigger() { go(); }
  synchronized void go() {
    if (cancelBeforeTrigger) cancel();
    trigger = true;
    if (!running()) {
       AutoCloseable __1 = callF(enter); try {
      thread = startThread(name, new Runnable() {  public void run() { try { 
         AutoCloseable __2 = callF(enter); try {
        _run();
      
} finally { _close(__2); }} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "temp callF(enter);\r\n        _run();"; }});
    } finally { _close(__1); }}
  }
  public void run() { go(); }
  void get() { go(); } // so you can use the ! syntax
  
  synchronized boolean running() { return thread != null; }
  
  // use only if this is the last time you trigger this
  void triggerAndWait() {
    trigger();
    waitUntilDone();
  }
  
  void waitUntilDone() {
    while (running()) sleep(1);
  }
  
  void _run() { try {
    while (licensed()) {
      Thread oldThread;
      synchronized(this) {
        if (!trigger) {
          thread = null;
          break;
        }
        
        oldThread = getWeakRef(threadBeingCancelled);
        trigger = false;
      }
      
      if (oldThread != null && oldThread != currentThread())
        oldThread.join(cancelTimeOut);
        
      pcallF(runnable);
    }
  } catch (Exception __e) { throw rethrow(__e); } }
  
  synchronized void cancel() {
    if (thread == null) return;
    threadBeingCancelled = new WeakReference(thread);
    cancelAndInterruptThread(thread);
    thread = null;
  }
  
  void cancelAndTrigger() {
    cancel();
    trigger();
  }
  
  synchronized boolean triggered() { return trigger; }
  
  void cleanMeUp() { cancel(); }
  
  ReliableSingleThread cancelBeforeTrigger() {
    cancelBeforeTrigger = true;
    return this;
  }
}

static List<String> myInnerClasses_list=litlist(
"VF1", "VF3", "VF2", "JSection", "Var", "Visitable", "mapI_It", "TokCondition", "RightAlignedLine", "GlobalID", "findCodeTokens_Matcher", "SimpleLiveValue", "CancelToCancelPoint", "ReliableSingleThread", "JFastLogView_noWrap", "DynServerAwareDiscordBot", "SingleComponentPanel", "DynModule", "Rect", "Pt", "F0", "F1", "IterableIterator", "betterCIComparator_C", "RGB", "F2", "MakesBufferedImage", "Flag", "unstructure_Receiver", "IFactStore", "IF0", "IHasGlobalID", "CloseableIterableIterator", "ExpiringMap2", "NLRulesBot", "getOpt_Map", "IF2", "Producer", "IFieldsToList", "IF1", "And", "IVF3", "structure_Data", "IVF1", "DynDiscordHopper", "IVF2", "IVar", "DynPrintLogAndEnabled", "BasicLogicRule", "MechMode", "Cache", "_MethodCache", "LineBuffer", "Matches", "structure_ClassInfo", "MechListDependentCache", "LiveValue", "Dyn_FieldWatcher", "LetterLayout", "MultiMap", "Q", "QuickException", "LongRange", "CriticalAction", "Lowest", "IResourceLoader", "Either", "DynTalkBot2", "T3", "Pair", "DynPrintLog", "FunctionNameAndPattern", "AllOnAll", "IntRange", "Cluster", "Transformable", "LinkedTreeSet", "HasGlobalID", "PhilosophyBot1", "CancelPoint", "BetterLabel", "MRUCache", "componentPopupMenu_Adapter", "DynamicObject", "PersistableThrowable", "Scored", "RGBImage", "WithTrail", "AllOnAllWithUpdates", "SimpleFactStore", "StringClustersWithIDs");

static List<String> myInnerClasses() {
  return myInnerClasses_list;
}

static DynModule dm_currentModule() {
  return (DynModule) dm_current_generic();
}
static void cancelTimerOrInterruptThread(Object timer) {
  if (timer instanceof Thread && !(timer instanceof AutoCloseable)) // AutoCloseable takes precedence
    interruptThread((Thread) timer);
  else
    cancelTimer(timer);
}
static String discordAtPlusID(long userID) {
  return userID == 0 ? "unknown person" : "<@" + userID + "> (" + userID + ")";
}
static boolean isAbstract(Class c) {
  return (c.getModifiers() & Modifier.ABSTRACT) != 0;
}

static boolean isAbstract(Method m) {
  return (m.getModifiers() & Modifier.ABSTRACT) != 0;
}
static Set<Class> allInterfacesImplementedBy(Class c) {
  if (c == null) return null;
  HashSet<Class> set = new HashSet();
  allInterfacesImplementedBy_find(c, set);
  return set;
}

static void allInterfacesImplementedBy_find(Class c, Set<Class> set) {
  if (c.isInterface() && !set.add(c)) return;
  do {
    for (Class intf : c.getInterfaces())
      allInterfacesImplementedBy_find(intf, set);
  } while ((c = c.getSuperclass()) != null);
}
static Method findMethod(Object o, String method, Object... args) {
  return findMethod_cached(o, method, args);
}

static boolean findMethod_checkArgs(Method m, Object[] args, boolean debug) {
  Class<?>[] types = m.getParameterTypes();
  if (types.length != args.length) {
    if (debug)
      System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
    return false;
  }
  for (int i = 0; i < types.length; i++)
    if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
      if (debug)
        System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
      return false;
    }
  return true;
}
static Method findStaticMethod(Class c, String method, Object... args) {
  Class _c = c;
  while (c != null) {
    for (Method m : c.getDeclaredMethods()) {
      if (!m.getName().equals(method))
        continue;

      if ((m.getModifiers() & Modifier.STATIC) == 0 || !findStaticMethod_checkArgs(m, args))
        continue;

      return m;
    }
    c = c.getSuperclass();
  }
  return null;
}

static boolean findStaticMethod_checkArgs(Method m, Object[] args) {
  Class<?>[] types = m.getParameterTypes();
  if (types.length != args.length)
    return false;
  for (int i = 0; i < types.length; i++)
    if (!(args[i] == null || isInstanceX(types[i], args[i])))
      return false;
  return true;
}

static List<String> quoteAll(Collection<String> l) {
  List<String> x = new ArrayList();
  for (String s : l)
    x.add(quote(s));
  return x;
}
static int _hashCode(Object a) {
  return a == null ? 0 : a.hashCode();
}
static <A> ArrayList<A> toList(A[] a) { return asList(a); }
static ArrayList<Integer> toList(int[] a) { return asList(a); }
static <A> ArrayList<A> toList(Set<A> s) { return asList(s); }
static <A> ArrayList<A> toList(Iterable<A> s) { return asList(s); }
static boolean arraysEqual(Object[] a, Object[] b) {
  if (a.length != b.length) return false;
  for (int i = 0; i < a.length; i++)
    if (neq(a[i], b[i])) return false;
  return true;
}
static boolean hasLock(Lock lock) {
  return ((ReentrantLock) lock).isHeldByCurrentThread();
}


static String mL_raw(String name) {
  return mechList_raw(name);
}
static boolean eqOrSame(Object a, Object b) {
  return a == null ? b == null : a == b || b != null && a.equals(b);
}
static String assertGlobalID(String s) {
  return assertPossibleGlobalID(s);
}
static BigInteger bigint(String s) {
  return new BigInteger(s);
}

static BigInteger bigint(long l) {
  return BigInteger.valueOf(l);
}
static BigInteger plus(BigInteger a, BigInteger b) {
  return a.add(b);
}

static BigInteger plus(BigInteger a, long b) {
  return a.add(bigint(b));
}
static BigInteger mul(BigInteger a, BigInteger b) {
  return a.multiply(b);
}

static BigInteger mul(BigInteger a, long b) {
  return a.multiply(bigint(b));
}
static String bigintToGlobalID(BigInteger value) {
  char[] buf = new char[16];
  for (int i = 16-1; i >= 0; i--) {
    buf[i] = charPlus('a', mod(value, 26).intValue());
    value = div(value, 26);
  }
  return str(buf);
}
static <A> void remove(List<A> l, int i) {
  if (l != null && i >= 0 && i < l(l))
    l.remove(i);
}

static <A> void remove(Collection<A> l, A a) {
  if (l != null) l.remove(a);
}
static <A, B> Set<A> keySet(Map<A, B> map) {
  return map == null ? new HashSet() : map.keySet();
}

static Set keySet(Object map) {
  return keys((Map) map);
}




  static <A, B> Set<A> keySet(MultiMap<A, B> mm) {
    return mm.keySet();
  }



static <A> A reverseGet(List<A> l, int idx) {
  if (l == null || idx < 0) return null;
  int n = l(l);
  return idx < n ? l.get(n-1-idx) : null;
}
static File loadLibrary(String snippetID) {
  return loadBinarySnippet(snippetID);
}
static int boostHashCombine(int a, int b) {
  return a ^ (b + 0x9e3779b9 + (a << 6) + (a >> 2));
}
static <A> A nu(Class<A> c, Object... values) {
  A a = nuObject(c);
  setAll(a, values);
  return a;
}

static <A> AutoCloseable dm_vmBus_onMessage_q(final String msg, final VF1<A> onMessage) {
  final DynModule m = dm_current_mandatory();
  return dm_vmBus_onMessage(msg, new VF1<A>() { public void get(final A a) { try { 
    m.q().add(new Runnable() {  public void run() { try { 
    callF(onMessage, a);
   
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(onMessage, a);"; }}); } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "switch to m.q();\r\n    callF(onMessage, a);"; }});
}


static <A> AutoCloseable dm_vmBus_onMessage_q(final String msg, final IVF1<A> onMessage) {
  final DynModule m = dm_current_mandatory();
  return dm_vmBus_onMessage(msg, new VF1<A>() { public void get(final A a) { try { 
    m.q().add(new Runnable() {  public void run() { try { 
    callF(onMessage, a);
   
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(onMessage, a);"; }}); } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "switch to m.q();\r\n    callF(onMessage, a);"; }});
}

static <A, B> AutoCloseable dm_vmBus_onMessage_q(final String msg, final IVF2<A, B> onMessage) {
  final DynModule m = dm_current_mandatory();
  return dm_vmBus_onMessage(msg, new VF2<A, B>() { public void get(A a, B b) { try { 
    m.q().add(new Runnable() {  public void run() { try { 
    callF(onMessage, a, b);
   
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(onMessage, a, b);"; }}); } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "switch to m.q();\r\n    callF(onMessage, a, b);"; }});
}

static <A, B, C> AutoCloseable dm_vmBus_onMessage_q(final String msg, final IVF3<A, B, C> onMessage) {
  DynModule m = dm_current_mandatory();
  return dm_vmBus_onMessage(msg, new VF3<A, B, C>() { public void get(A a, B b, C c) { try { 
    m.q().add(new Runnable() {  public void run() { try { 
    callF(onMessage, a, b, c);
   
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(onMessage, a, b, c);"; }}); } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "switch to m.q();\r\n    callF(onMessage, a, b, c);"; }});
}


static <A, B> AutoCloseable dm_vmBus_onMessage_q(final String msg, final VF2<A, B> onMessage) {
  final DynModule m = dm_current_mandatory();
  return dm_vmBus_onMessage(msg, new VF2<A, B>() { public void get(final A a, final B b) { try { 
    m.q().add(new Runnable() {  public void run() { try { 
    callF(onMessage, a, b);
   
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(onMessage, a, b);"; }}); } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "switch to m.q();\r\n    callF(onMessage, a, b);"; }});
}



static <A, B, C> AutoCloseable dm_vmBus_onMessage_q(final String msg, final VF3<A, B, C> onMessage) {
  final DynModule m = dm_current_mandatory();
  return dm_vmBus_onMessage(msg, new VF3<A, B, C>() { public void get(final A a, final B b, final C c) { try { 
    m.q().add(new Runnable() {  public void run() { try { 
    callF(onMessage, a, b, c);
   
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(onMessage, a, b, c);"; }}); } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "switch to m.q();\r\n    callF(onMessage, a, b, c);"; }});
}




static <A> AutoCloseable dm_vmBus_onMessage_q(final String msg, final Runnable onMessage) {
  final DynModule m = dm_current_mandatory();
  return dm_vmBus_onMessage(msg, new VF1<A>() { public void get(final A a) { try { 
    m.q().add(new Runnable() {  public void run() { try { 
    callF(onMessage);
   
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(onMessage);"; }}); } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "switch to m.q();\r\n    callF(onMessage);"; }});
}
static long getLong(Object o, String field) {
  return toLong(getOpt(o, field));
}

static long getLong(String field, Object o) {
  return getLong(o, field);
}
static String dropPrefixICTrim_orNull(String prefix, String s) {
  return swic(s, prefix) ? trim(s.substring(l(prefix))) : null;
}
static <A> List<A> replace(List<A> l, A a, A b) {
  for (int i = 0; i < l(l); i++)
    if (eq(l.get(i), a))
      l.set(i, b);
  return l;
}

static <A> List<A> replace(A a, A b, List<A> l) {
  return replace(l, a, b);
}

static String replace(String s, String a, String b) {
  return s == null ? null : a == null || b == null ? s : s.replace(a, b);
}

static String replace(String s, char a, char b) {
  return s == null ? null : s.replace(a, b);
}
static String dropPunctuation3_withAGIBlue(boolean useAGIBlue, String s) {
  return useAGIBlue ? dropPunctuation3_withAGIBlue(s) : dropPunctuation3(s);
}

static String dropPunctuation3_withAGIBlue(String s) {
  if (!agiBlue_validPageName(s))
    return dropPunctuation3(s);
  String y = dropPunctuation3_cache.get(s);
  if (y != null) return y;
  { String __1 = agiBlue_lookupInSlice_pcall("xwxxvxozhdlwsxzj", s, "dropPunctuation"); if (!empty(__1)) return __1; }
  y = dropPunctuation3(s);
  agiBlue_postInSlice_pcall("xwxxvxozhdlwsxzj", s, "dropPunctuation", y);
  return y;
}
static String simpleSpaces_noTok(String s) {
  return s == null ? null : s.replaceAll("\\s+", " ");
}
static boolean eqicOneOf(String s, String... l) {
  for (String x : l) if (eqic(s, x)) return true; return false;
}
static String nextGenBotsDiscordInvite() {
  return "https://discord.gg/SEAjPqk";
}
static String snippetLink(String id) {
  return empty(id) ? id : "http://code.botcompany.de/" + parseSnippetID(id);
}
static boolean swic_trim(String a, String b, Matches m) {
  if (!swic(a, b)) return false;
  m.m = new String[] {trim(substring(a, l(b)))};
  return true;
}
static <A> boolean setAdd(Collection<A> c, A a) {
  if (c == null || c.contains(a)) return false;
  c.add(a);
  return true;
}
static long parseFirstLong(String s) {
  return parseLong(jextract("<int>", s));
}
static boolean containsDiscordToken(String s) {
  return regexpFind(discordTokenRegexp(), s);
}
static String jda_selfUserName(JDA jda) {
  return jda_selfUser(jda).getName();
}
static String ymd_minus_hms() {
  return ymd() + "-" + hms();
}
static File createZipFileWithSingleTextFile(File zipFile, String name, String text) {
   ZipOutputStream outZip = newZipOutputStream(zipFile); try {
  zip_addTextFile(outZip, name, text);
  return zipFile;
} finally { _close(outZip); }}
static String appendSpaceIfEndsWithLetter(String s) {
  return endsWithLetter(s) ? s + " " : s;
}
static String quoteBorderless(Object o) {
  if (o == null) return "null";
  return quoteBorderless(str(o));
}

static String quoteBorderless(String s) {
  if (s == null) return "null";
  StringBuilder out = new StringBuilder((int) (l(s)*1.5));
  quoteBorderless_impl(s, out);
  return out.toString();
}
  
static void quoteBorderless_impl(String s, StringBuilder out) {
  int l = s.length();
  for (int i = 0; i < l; i++) {
    char c = s.charAt(i);
    if (c == '\\' || c == '"')
      out.append('\\').append(c);
    else if (c == '\r')
      out.append("\\r");
    else if (c == '\n')
      out.append("\\n");
    else
      out.append(c);
  }
}
static int hashCodeFor(Object a) {
  return a == null ? 0 : a.hashCode();
}
static boolean stdEq2(Object a, Object b) {
  if (a == null) return b == null;
  if (b == null) return false;
  if (a.getClass() != b.getClass()) return false;
  for (String field : allFields(a))
    if (neq(getOpt(a, field), getOpt(b, field)))
      return false;
  return true;
}
static int stdHash2(Object a) {
  if (a == null) return 0;
  return stdHash(a, toStringArray(allFields(a)));
}
static UnsupportedOperationException unsupportedOperation() {
  throw new UnsupportedOperationException();
}
static String stdToString(Object o) {
  return standard_toString(o);
}
static Set<String> syncLinkedCISet() {
  return synchronizedSet(linkedCISet());
}
static TreeSet<String> litciset(String... items) {
  TreeSet<String> set = caseInsensitiveSet();
  for (String a : items) set.add(a);
  return set;
}


static Pair<String, String> splitAtFirstDoubleArrow(String s) {
  return splitAtFirstDoubleArrow(javaTok(s));
}

static Pair<String, String> splitAtFirstDoubleArrow(List<String> tok) {
  int i = indexOfSubList(tok, splitAtDoubleArrow_tok());
  return i < 0 ? null : pair(trimJoin(subList(tok, 0, i)), trimJoin(subList(tok, i+3)));
}
static List<String> javaTokWithBrackets(String s) {
  return javaTokPlusBrackets(s);
}
static BasicLogicRule curryLHS(BasicLogicRule rule) {
  return curryLHS_BasicLogicRule(rule);
}
static <A> boolean syncAdd(Collection<A> c, A b) {
  if (c == null) return false;
  synchronized(c) { return c.add(b); }
}

static <A> void syncAdd(List<A> l, int idx, A b) {
  if (l != null) synchronized(l) { l.add(idx, b); }
}
static String tok_deRoundBracket(String s) {
  return tok_isRoundBracketed(s) ? join(dropFirstThreeAndLastThree(javaTok(s))) : s;
}
static int countCodeTokens(String s) {
  return countTokens(s);
}



static int countCodeTokens(List<String> tok) {
  return countTokens(tok);
}
static boolean firstTokenEqic(List<String> tok, String t) {
  return eqic(get(tok, 1), t);
}
static boolean isCurlyBracketed(String s) {
  return isCurlyBraced(s);
}
static String getCodeToken(List<String> tok, int i) {
  return get(tok, i*2+1);
}
static String uncurly_keepSpaces(String s) {
  return tok_unCurlyBracket_keepSpaces(s);
}
static String indentx(String s) {
  return indentx(indent_default, s);
}

static String indentx(int n, String s) {
  return dropSuffix(repeat(' ', n), indent(n, s));
}

static String indentx(String indent, String s) {
  return dropSuffix(indent, indent(indent, s));
}
static int countJavaTokens(String s) {
  return countTokens(s);
}



static int countJavaTokens(List<String> tok) {
  return countTokens(tok);
}
static String javaDropAllComments(String s) {
  return join(javaDropAllComments(javaTok(s)));
}

static List<String> javaDropAllComments(List<String> tok) {
  for (int i = 0; i < l(tok); i += 2)
    tok.set(i, tok_javaDropCommentsFromWhitespace(tok.get(i)));
  return tok;
}
static <A> LinkedList<A> cloneLinkedList(Iterable<A> l) {
  return l instanceof Collection ? cloneLinkedList((Collection) l) : asLinkedList(l);
}

static <A> LinkedList<A> cloneLinkedList(Collection<A> l) {
  if (l == null) return new LinkedList();
  synchronized(collectionMutex(l)) {
    return new LinkedList<A>(l);
  }
}
static <A> A popFirst_ping(List<A> l) {
  ping();
  return popFirst(l);
}

static <A> A popFirst_ping(Collection<A> l) {
  ping();
  return popFirst(l);
}

static <A> List<A> popFirst_ping(int n, List<A> l) {
  ping();
  return popFirst(n, l);
}
static String sfu(Object o) { return structureForUser(o); }
static TreeMap litcimap(Object... x) {
  return litCIMap(x);
}
static LinkedList mapToLinkedList(Iterable l, Object f) {
  LinkedList x = new LinkedList();
  if (l != null) for (Object o : l)
    x.add(callF(f, o));
  return x;
}

static <A, B> LinkedList<B> mapToLinkedList(Iterable<A> l, IF1<A, B> f) {
  return mapToLinkedList(l, (Object) f);
}
static String replaceVars(String s, Map<String, String> map) {
  return empty(map) ? s : join(replaceVars(javaTok(s), map));
}
  
static List<String> replaceVars(List<String> tok, Map<String, String> map) {
  if (empty(map)) return tok;
  tok = cloneList(tok);
  for (String var : keys(map))
    jreplace(tok, var, map.get(var));
  return tok;
}
static Map mapValues(Object func, Map map) {
  Map m = similarEmptyMap(map);
  for (Object key : keys(map))
    m.put(key, callF(func, map.get(key)));
  return m;
}

static <A, B, C> Map<A, C> mapValues(Map<A, B> map, IF1<B, C> f) {
  return mapValues(f, map);
}

static <A, B, C> Map<A, C> mapValues(IF1<B, C> f, Map<A, B> map) {
  return mapValues((Object) f, map);
}

static Map mapValues(Map map, Object func) {
  return mapValues(func, map);
}
static String optRound(String s) {
  return roundBracketIfMoreThanOneToken(s);
}
static boolean isTrueOpt(Object o) {
  if (o instanceof Boolean)
    return ((Boolean) o).booleanValue();
  return false;
}
static Map mapKeys(Object func, Map map) {
  Map m = similarEmptyMap(map); // TODO: this might break when key type changes through func
  for (Object key : keys(map))
    m.put(callF(func, key), map.get(key));
  return m;
}

static Map mapKeys(Map map, Object func) {
  return mapKeys(func, map);
}

static <A, B, C> Map<B, C> mapKeys(Map<A, C> map, IF1<A, B> func) {
  return mapKeys(map, (Object) func);
}

static <A, B, C> Map<B, C> mapKeys(IF1<A, B> func, Map<A, C> map) {
  return mapKeys(map, func);
}
static <A> A lookupOrKeep(Map<A, A> map, A key) {
  return map != null && map.containsKey(key) ? map.get(key) : key;
}
static List<String> tok_splitAtAmpersand(String s) {
  return splitAtTokens(javaTokWithAllBrackets_cached(s), "&");
}
static String[] dropFirst(int n, String[] a) {
  return drop(n, a);
}

static String[] dropFirst(String[] a) {
  return drop(1, a);
}

static Object[] dropFirst(Object[] a) {
  return drop(1, a);
}

static <A> List<A> dropFirst(List<A> l) {
  return dropFirst(1, l);
}

static <A> List<A> dropFirst(int n, Iterable<A> i) { return dropFirst(n, toList(i)); }
static <A> List<A> dropFirst(Iterable<A> i) { return dropFirst(toList(i)); }

static <A> List<A> dropFirst(int n, List<A> l) {
  return n <= 0 ? l : new ArrayList(l.subList(Math.min(n, l.size()), l.size()));
}

static <A> List<A> dropFirst(List<A> l, int n) {
  return dropFirst(n, l);
}

static String dropFirst(int n, String s) { return substring(s, n); }
static String dropFirst(String s, int n) { return substring(s, n); }
static String dropFirst(String s) { return substring(s, 1); }
static String tok_deRoundOrCurlyBracket(String s) {
  return isCurlyBraced(s) || tok_isRoundBracketed(s) ? join(dropFirstThreeAndLastThree(javaTok(s))) : s;
}
static <A, B> void removeFromMapWhere(Map<A, B> map, IF2<A, B, Boolean> pred) {
  if (map == null) return;
  Iterator<Map.Entry<A, B>> i = map.entrySet().iterator();
  while (i.hasNext()) {
    Map.Entry<A, B> e = i.next();
    if (pred.get(e.getKey(), e.getValue()))
      i.remove();
  }
}
static Map<String, String> gazelle_deepZip_keepBrackets(String inputA, String inputB, Object... __) {
  Map<String, String> map = gazelle_zip_keepBrackets(inputA, inputB);
  if (map == null) return null;
  Map<String, String> map2 = similarEmptyMap(map);
  for (String a : keys( map)) { String b = map.get(a); 
    boolean iba = tok_isRoundOrCurlyBracketed(a), ibb = tok_isRoundOrCurlyBracketed(b);
    if (iba && ibb) {
      String aa = tok_deRoundOrCurlyBracket(a);
      String bb = tok_deRoundOrCurlyBracket(b);
      Map<String, String> subMap = gazelle_deepZip_keepBrackets(aa, bb, __);
      if (subMap == null) return null;
      if (!putAllStrictlyIC(map2, subMap)) return null;
    } else if (eqic_roundBracketed(a, b)) {
      // OK, match
    } else
      if (!strictPutIC(map2, a, b)) return null;
  }
  return map2;
}
static boolean all(Object pred, Iterable l) {
  if (l != null) for (Object o : l) if (!isTrue(callF(pred, o))) return false;
  return true;
}

static <A> boolean all(Iterable<A> l, IF1<A, Boolean> f) {
  if (l != null) for (A a : l) if (!f.get(a)) return false;
  return true;
}

static <A> boolean all(IF1<A, Boolean> f, Iterable<A> l) {
  return all(l, f);
}
static boolean isDollarVar(String s) {
  // Possible BREAKING CHANGE (although probably OK): now also accepting $1 etc.
  return startsWith(s, '$') && l(s) > 1;
  // OLD: ret startsWith(s, '$') && isJavaIdentifierAfter(s, 1);
}


static String replaceCodeTokensUsingMap(String s, Map<String, String> map) {
  return join(replaceCodeTokensUsingMap(javaTok(s), map));
}

static List<String> replaceCodeTokensUsingMap(List<String> tok, Map<String, String> map) {
  List<String> out = emptyList(tok);
  for (int i = 0; i < l(tok); i++) {
    out.add(odd(i) ? lookupOrKeep(map, tok.get(i)) : tok.get(i));
  }
  return out;
}

static String replaceCodeTokensUsingMap(Map<String, String> map, String s) {
  return replaceCodeTokensUsingMap(s, map);
}
// meta-transform function that understands Transformable and List
// if f returns null, go through structure
static Object transform_understandsTransformableAndList(IF1 f, Object o) {
  if (o == null) return null;
  ping();
  { Object __1= f.get(o); if (__1 != null) return __1; }
  
  IF1 myself = x -> transform_understandsTransformableAndList(f, x);
  if (o instanceof Transformable)
    return ((Transformable) o).transformUsing(myself);
  if (o instanceof List)
    return map(myself, ((List) o));
    
  throw fail("Don't know how to transform: " + className(o));
}
static void think(String thought) {
  miniChat(thought);
}
static <A> List<A> getAndClearList(Collection<A> l) {
  if (l == null) return emptyList();
  synchronized(collectionMutex(l)) {
    List<A> out = cloneList(l);
    l.clear();
    return out;
  }
}
static List callFAll(Collection l, Object... args) {
  return callF_all(l, args);
}
static <A extends Iterable> A pnlWithHeading(String heading, A l) {
  printAsciiHeading(heading);
  return pnl(l);
}
static String tok_dropRoundBrackets(String s) {
  return join(tok_dropRoundBrackets(javaTok(s)));
}

static List<String> tok_dropRoundBrackets(List<String> tok) {
  for (int i = 1; i < l(tok); i+= 2) {
    while (eqGetOneOf(tok, i, "(", ")")) {
      tokAppend(tok, i-1, tok.get(i+1));
      removeSubList(tok, i, i+2);
    }
  }
  return tok;
}
static <A extends Collection> A pnlWithHeadingIfNempty(String heading, A l) {
  if (nempty(l)) pnlWithHeading(heading, l);
  return l;
}
static String properUnquote(String s) {
  return isProperlyQuoted(s) ? unquote(s) : s;
}
static <A> A $x(Map<String, A> map) {
  return mapGet(map, "$x");
}
static <A> A $y(Map<String, A> map) {
  return mapGet(map, "$y");
}
static String withoutLeadingLinesEmptyAfterTrim_autoUnindent(String s) {
  return autoUnindent(withoutLeadingLinesEmptyAfterTrim(s));
}
static String tok_deRoundOrCurlyBracket_keepFirstSpacing(String s) {
  return isCurlyBraced(s) || tok_isRoundBracketed(s) ? join(dropFirstTwoAndLastThree(javaTok(s))) : s;
}
static <A, C extends Collection<A>> C assertContains(C c, A y) {
  return assertContains(null, c, y);
}

static <A, C extends Collection<A>> C assertContains(String msg, C c, A y) {
  if (!contains(c, y))
    throw fail((msg != null ? msg + ": " : "") + y + " not contained in " + c);
  return c;
}
static <A, B> B firstValue(Map<A, B> map) {
  return first(values(map));
}


static <A, C extends Collection<A>> C assertDoesntContain(C c, A y) {
  return assertDoesntContain(null, c, y);
}

static <A, C extends Collection<A>> C assertDoesntContain(String msg, C c, A y) {
  if (contains(c, y))
    throw fail((msg != null ? msg + ": " : "") + y + " contained in " + c);
  return c;
}
static void philosophyBot1_math(PhilosophyBot1 bot) {
  bot.addNativePredicate("$x >= $y",
    (map) -> cmp(parseBigInt(map.get("$x")), parseBigInt(map.get("$y"))) >= 0);
  bot.addNativePredicate("$x <= $y",
    (map) -> cmp(parseBigInt(map.get("$x")), parseBigInt(map.get("$y"))) <= 0);
  bot.addNativePredicate("$x > $y",
    (map) -> cmp(parseBigInt(map.get("$x")), parseBigInt(map.get("$y"))) > 0);
  bot.addNativePredicate("$x < $y",
    (map) -> cmp(parseBigInt(map.get("$x")), parseBigInt(map.get("$y"))) < 0);
}
static void philosophyBot1_bool(PhilosophyBot1 bot) {
  // native predicates now work in rule lhs too
  bot.addNativePredicate("true", map -> true);
  bot.addNativePredicate("$x = $y",
    map -> eqic($x(map), $y(map)));
  bot.addNativePredicate("$x != $y",
    map -> {
      String x = $x(map), y = $y(map);
      print("equality check: " + x + " / " + y);
      return !eqic(x, y);
    });
}
static void philosophyBot1_orHandler(PhilosophyBot1 bot) {
  bot.addLogicRulePreprocessor(rule -> {
    if (!(rule.lhs instanceof String)) return false;
    
    List<String> tok = bot.mainTokenize(tok_deCurlyOrRound((String) rule.lhs));
    if (countCodeTokens(tok) == 3 && eq(secondCodeToken(tok), "|")) {
      // split into two rules
      print("Splitting or: " + tok);
      bot.addLogicRule(new PhilosophyBot1.LogicRule(firstCodeToken(tok), rule.rhs));
      bot.addLogicRule(new PhilosophyBot1.LogicRule(lastCodeToken(tok), rule.rhs));
      return true;
    }
    return false;
  });
}
static void philosophyBot1_iotaHandler(PhilosophyBot1 bot) {
  bot.addNativePredicate("iota($x)",
    (map) -> iota(parseInt($x(map))));
}
static <A> A printIf(boolean b, A a) {
  if (b) print(a);
  return a;
}

static <A> A printIf(boolean b, String s, A a) {
  if (b) print(s, a);
  return a;
}
static List<String> tlft_honoringBrackets(String text) {
  return trimAll(lines_honoringBrackets(text));
}
static void philosophyBot1_enableAddSimplifier_withTrails(PhilosophyBot1 bot) {
  bot.addFactPreprocessor(fact -> {
    String rule = $x(bot.matchString("add simplifier $x", fact));
    if (rule == null) return false;
    if (bot.verbose) print("adding simplifier: " + rule);
    Pair<String, String> p = tok_splitAtDoubleArrow_pair(rule);
    if (p == null) return false;
    philosophyBot1_addSimplificationRule_withTrails(bot, p.a, p.b, fact);
    return true;
  });
}
static <A> List<A> antiFilter(Iterable<A> c, Object pred) {
  if (pred instanceof F1) return antiFilter(c, (F1<A, Boolean>) pred);

  List x = new ArrayList();
  if (c != null) for (Object o : c)
    if (!isTrue(callF(pred, o)))
      x.add(o);
  return x;
}

static List antiFilter(Object pred, Iterable c) {
  return antiFilter(c, pred);
}

static List antiFilter(Object pred, Object[] c) {
  return antiFilter(pred, wrapArrayAsList(c));
}

static <A, B extends A> List<B> antiFilter(Iterable<B> c, F1<A, Boolean> pred) {
  List x = new ArrayList();
  if (c != null) for (B o : c)
    if (!pred.get(o).booleanValue())
      x.add(o);
  return x;
}

static <A, B extends A> List<B> antiFilter(F1<A, Boolean> pred, Iterable<B> c) {
  return antiFilter(c, pred);
}

static <A, B extends A> List<B> antiFilter(Iterable<B> c, IF1<A, Boolean> pred) {
  List x = new ArrayList();
  if (c != null) for (B o : c)
    if (!pred.get(o).booleanValue())
      x.add(o);
  return x;
}

static <A, B extends A> List<B> antiFilter(IF1<A, Boolean> pred, Iterable<B> c) {
  return antiFilter(c, pred);
}

static List<String> words2_plusApostrophe(String s) {
  List<String> l = new ArrayList();
  int n = l(s);
  for (int i = 0; i < n; ) {
    int j = i;
    while (j < n && isLetterOrDigitOrApostrophe(s.charAt(j)))
      ++j;
    if (j > i) l.add(substring(s, i, j));
    while (j < n && !isLetterOrDigitOrApostrophe(s.charAt(j)))
      ++j;
    i = j;
  }
  return l;
}
static TreeSet<String> asCISet(Iterable<String> c) {
  return toCaseInsensitiveSet(c);
}

static TreeSet<String> asCISet(String... x) {
  return toCaseInsensitiveSet(x);
}
static Set<String> filterCISet(Iterable<String> c, Object pred) {
  Set<String> x = ciSet();
  if (c != null) for (String o : c)
    if (isTrue(callF(pred, o)))
      x.add(o);
  return x;
}

static Set<String> filterCISet(Object pred, Iterable c) {
  return filterCISet(c, pred);
}

static Set<String> filterCISet(Iterable<String> c, IF1<String, Boolean> pred) {
  return filterCISet(c, (Object) pred);
}

static Set<String> filterCISet(IF1<String, Boolean> pred, Iterable<String> c) {
  return filterCISet(c, (Object) pred);
}
static <A> List<A> listMinusList(Collection<A> l, Collection stuff) {
  if (empty(stuff) && l instanceof List) return (List) l;
  List<A> l2 = cloneList(l);
  for (Object o : stuff)
    l2.remove(o);
  return l2;
}
static void withCancelPoint(VF1<CancelPoint> r) {
   CancelPoint cp = newCancelPoint(); try {
  try {
    callF(r, cp);
  } catch (Throwable e) {
    e = innerException(e);
    if (!(e instanceof CancelToCancelPoint && ((CancelToCancelPoint) e).cp == cp))
      rethrow(e);
  }
} finally { _close(cp); }}

static void withCancelPoint(IVF1<CancelPoint> r) {
   CancelPoint cp = newCancelPoint(); try {
  try {
    r.get(cp);
  } catch (Throwable e) {
    e = innerException(e);
    if (!(e instanceof CancelToCancelPoint && ((CancelToCancelPoint) e).cp == cp))
      rethrow(e);
  }
} finally { _close(cp); }}
static boolean containsDollarVars(String s) {
  for (String t : javaTokC(s))
    if (isDollarVar(t)) return true;
  return false;
}
static RuntimeException cancelTo(CancelPoint cp) {
  if (cp.closed) throw fail("cancel point closed");
  throw new CancelToCancelPoint(cp);
}
// example use:
//   auto open theories

static void philosophyBot_autoOpenTheoriesHandler(PhilosophyBot1 bot) {
  bot.addFactPreprocessor(s -> {
    if (bot.matchString("auto open theories", s) == null) return false;
    bot.autoOpenTheories();
    return true;
  });
}
// transformer can return null or input on no change
// will not call transformer on individual words
static String gazelle_deepTransform(IF1<String, String> transformer, String input, Object... __) {
  if (transformer == null) return input;
  
  // call transformer on whole input, return if change
  String transformed = transformer.get(input);
  if (transformed != null && transformed != input) return transformed;

  // transformer didn't do anything, tokenize & go through parts
  Object tokenizer = optPar("tokenizer",__, "javaTokWithBrackets");
  List<String> tok = callTokenizer(tokenizer, input);
  
  boolean changes = false;
  for  (int i = 1; i < l(tok); i += 2) { ping(); 
    String t = tok.get(i);
    if (tok_isRoundOrCurlyBracketed(t)) {
      String unBracketed = tok_deRoundOrCurlyBracket(t);
      transformed = gazelle_deepTransform(transformer, unBracketed, __);
      if (transformed != unBracketed) {
        if (!changes) tok = cloneList(tok); // in case a caching tokenizer was used
        
        // enclose in brackets & replace
        tok.set(i, startsWith(t, "(") ? roundOpt(transformed) : curlyOpt(transformed));
        changes = true;
      }
    }
  }
  
  return changes ? join(tok) : input;
}

static <A> A firstTransformersResult(List<IF1<A, A>> transformers, A a) {
  for (IF1<A, A> f : unnull(transformers))
    if (f != null) {
      A b = f.get(a);
      if (b != null && b != a)
        return b;
    }
  return a;
}
// transformer can return null or input on no change
// will not call transformer on individual words
// returns null if no change
static WithTrail<String> gazelle_deepTransform_withTrail(IF1<String, WithTrail<String>> transformer, String input, Object... __) {
  if (transformer == null) return null;
  
  // call transformer on whole input, return if change
  WithTrail<String> transformed = transformer.get(input);
  if (transformed != null) return transformed;

  // transformer didn't do anything, tokenize & go through parts
  Object tokenizer = optPar("tokenizer",__, "javaTokWithBrackets");
  List<String> tok = callTokenizer(tokenizer, input);
  
  List trails = new ArrayList();
  boolean changes = false;
  
  for  (int i = 1; i < l(tok); i += 2) { ping(); 
    String t = tok.get(i);
    if (tok_isRoundOrCurlyBracketed(t)) {
      String unBracketed = tok_deRoundOrCurlyBracket(t);
      transformed = gazelle_deepTransform_withTrail(transformer, unBracketed, __);
      if (transformed != null) {
        if (!changes) tok = cloneList(tok); // in case a caching tokenizer was used
        
        // enclose in brackets & replace
        tok.set(i, startsWith(t, "(") ? roundOpt(transformed.get()) : curlyOpt(transformed.get()));
        trails.add(transformed.trail);
        changes = true;
      }
    }
  }
  
  return changes ? new WithTrail(litmap("op" , "gazelle_deepTransform_withTrail", "input", input, "trails", trails), join(tok)) : null;
}

static <A> WithTrail<A> firstTransformersResult_trailEnabled(List<IF1<A, WithTrail<A>>> transformers, A a) {
  for (IF1<A, WithTrail<A>> f : unnull(transformers))
    if (f != null) {
      WithTrail<A> b = f.get(a);
      if (b != null)
        return b;
    }
  return null;
}
static void printAsciiHeading(String text) {
  print(asciiHeading2(text));
}
static <A> A printUnlessNull(A a) {
  if (a != null) print(a);
  return a;
}

static <A> A printUnlessNull(String s, A a) {
  if (a != null) print(s, a);
  return a;
}
static <A> Set<A> instancesOfAsSet(Iterable i, Class<A> c) {
  return asSet(instancesOf(i, c));
}

static <A> Set<A> instancesOfAsSet(Class<A> c, Iterable i) {
  return instancesOfAsSet(i, c);
}
static <A> Set<A> setIntersection(Collection<A> a, Collection<A> b) {
  Set<A> set = similarEmptySet(a);
  if (nempty(a) && nempty(b)) {
    Set<A> bSet = asSet(b);
    for (A x : a) if (bSet.contains(x)) set.add(x);
  }
  return set;
}
static List<String> stringsOnly(Iterable it) {
  List<String> out = new ArrayList();
  for (Object o : unnull(it))
    if (o instanceof String)
      out.add(((String) o));
  return out;
}
// returns visited objects
// visitor may be null, then it's just about returning the set
static Set philosophyBot1_visitTrailsTree_gen(Object engine, IVF1<Object> visitor, Object startingPoint) {
  Set seen = new HashSet();
  philosophyBot1_visitTrailsTree_gen(engine, seen, visitor, startingPoint);
  return seen;
}

static void philosophyBot1_visitTrailsTree_gen(Object engine, Set seen, IVF1<Object> visitor, Object startingPoint) {
  if (startingPoint == null) return;

  if (!seen.add(startingPoint)) return;
  if (visitor != null) visitor.get(startingPoint);
  
  if (startingPoint instanceof Iterable)
    for (Object o : ((Iterable) startingPoint))
      philosophyBot1_visitTrailsTree_gen(engine, seen, visitor, o);
  else if (startingPoint instanceof Map)
    for (Object o : values(((Map) startingPoint)))
      philosophyBot1_visitTrailsTree_gen(engine, seen, visitor, o);
  else
    philosophyBot1_visitTrailsTree_gen(engine, seen, visitor, rcall("getTrail",engine, startingPoint));
}
static <A, B> LinkedHashMap<A, B> cloneLinkedHashMap(Map<A, B> map) {
  return map == null ? new LinkedHashMap() : new LinkedHashMap(map);
}
static BufferedImage toBufferedImage(Object o) {
  return toBufferedImageOpt(o);
}
static boolean inRange(int x, int n) {
  return x >= 0 && x < n;
}

static boolean inRange(int x, int a, int b) {
  return x >= a && x < b;
}
static int limitToUByte(int i) {
  return max(0, min(255, i));
}
static <A> List<A> syncList() {
  return synchroList();
}



static <A> List<A> syncList(List<A> l) {
  return synchroList(l);
}
static <A> boolean any(Object pred, Iterable<A> l) {
  if (l != null) for (A a : l)
    if (isTrue(callF(pred, a)))
      return true;
  return false;
}

static <A> boolean any(IF1<A, Boolean> pred, Iterable<A> l) {
  return any((Object) pred, l);
}

static <A> boolean any(Iterable<A> l, IF1<A, Boolean> pred) {
  return any(pred, l);
}
static GlobalID aGlobalIDObject() {
  return aGlobalIDObj();
}
static void add(BitSet bs, int i) {
  bs.set(i);
}

static <A> boolean add(Collection<A> c, A a) {
  return c != null && c.add(a);
}


static void add(Container c, Component x) {
  addToContainer(c, x);
}

static int intSum(Collection c, String field) {
  int sum = 0;
  for (Object o : unnull(c))
    sum += toInt(getOpt(o, field));
  return sum;
}

static int intSum(Iterable<Integer> l) {
  int sum = 0;
  for (Integer i : unnull(l))
    if (i != null) sum += i;
  return sum;
}
static <A, B> void addPair(Collection<Pair<A, B>> c, A a, B b) {
  if (c != null) c.add(pair(a, b));
}
static IntRange intRange_last(List l) {
  int n = l(l);
  return intRange(n-1, n);
}
static IntRange intRange(int start, int end) {
  return new IntRange(start, end);
}
static <A, B> IterableIterator<Pair<A, B>> outerProduct_pairs(Collection<A> lA, Collection<B> lB) {
  return outerProductPairs(lA, lB);
}

static <A, B> IterableIterator<Pair<A, B>> outerProduct_pairs(Pair<? extends Collection<A>, ? extends Collection<B>> p) {
  return outerProduct_pairs(p.a, p.b);
}
static <A> ArrayList<A> clonedList(Iterable<A> l) {
  return cloneList(l);
}



static <A> ArrayList<A> clonedList(Collection<A> l) {
  return cloneList(l);
}
static Set<String> linkedCISet() {
  return new LinkedTreeSet(ciSet());
}
static String curly(String s) {
  return optionalCurlyBrace(s);
}
static <A> String joinWithSlash(Iterable<A> l) {
  return join("/", l);
}
static int asInt(Object o) {
  return toInt(o);
}
static int iround(double d) {
  return (int) Math.round(d);
}

static int iround(Number n) {
  return iround(toDouble(n));
}
static boolean dm_isMe(Object mod) {
  return dm_getModule(mod) == dm_current_mandatory_generic();
}
static boolean set_trueIfChanged(Object o, String field, Object value) {
  if (eq(get(o, field), value)) return false;
  set(o, field, value);
  return true;
}
static List<String> nempties(Collection<String> c) {
  return filterNempty(c);
}
static <A, B> A pairA(Pair<A, B> p) {
  return p == null ? null : p.a;
}
static <A, B> Pair<B, Boolean> syncGetOrCreate2(Map<A, B> map, A key, Class<? extends B> c) { try {
  synchronized(map) {
    B b = map.get(key);
    if (b == null) {
      map.put(key, b = c.newInstance());
      return pair(b, true);
    }
    return pair(b, false);
  }
} catch (Exception __e) { throw rethrow(__e); } }

static <A, B> Pair<B, Boolean> syncGetOrCreate2(Class<? extends B> c, Map<A, B> map, A key) {
  return syncGetOrCreate2(map, key, c);
}

static <A, B> Pair<B, Boolean> syncGetOrCreate2(Map<A, B> map, A key, F0<B> f) { try {
  synchronized(map) {
    B b = map.get(key);
    if (b == null) {
      map.put(key, b = callF(f));
      return pair(b, true);
    }
    return pair(b, false);
  }
} catch (Exception __e) { throw rethrow(__e); } }

static <A, B> Pair<B, Boolean> syncGetOrCreate2(Map<A, B> map, A key, IF0<B> f) { try {
  synchronized(map) {
    B b = map.get(key);
    if (b == null) {
      map.put(key, b = f.get());
      return pair(b, true);
    }
    return pair(b, false);
  }
} catch (Exception __e) { throw rethrow(__e); } }

static int countValuesWhere_sync(Map map, Object... data) {
  if (map == null) return 0;
  synchronized(map) {
    return countWhere(values(map), data);
  }
}
static <A, B> A keyForValue_sync(B value, Map<A, B> map) {
  return keyForValue_sync(map, value);
}

static <A, B> A keyForValue_sync(Map<A, B> map, B value) {
  if (map == null || value == null) return null;
  synchronized(map) {
    return keyForValue(map, value);
  }
}
static LongRange longRange_one(long start) {
  return new LongRange(start, start+1);
}
static LongRange longRange(long start, long end) {
  return new LongRange(start, end);
}
static <A, B> void removeValue(Map<A, B> map, B value) {
  if (map == null) return;
  Iterator<Map.Entry<A, B>> i = map.entrySet().iterator();
  while (i.hasNext()) {
    Map.Entry e = i.next();
    if (eq(e.getValue(), value))
      i.remove();
  }
}
static <B> SortedMap<Long, B> subMap_longRange(SortedMap<Long, B> map, LongRange range) {
  return subMap(map, range.start, range.end);
}
static <A> A set(A o, String field, Object value) {
  if (o == null) return null;
  if (o instanceof Class) set((Class) o, field, value);
  else try {
    Field f = set_findField(o.getClass(), field);
    makeAccessible(f);
    smartSet(f, o, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
  return o;
}

static void set(Class c, String field, Object value) {
  if (c == null) return;
  try {
    Field f = set_findStaticField(c, field);
    makeAccessible(f);
    smartSet(f, null, value);
  } catch (Exception e) {
    throw new RuntimeException(e);
  }
}
  
static Field set_findStaticField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field) && (f.getModifiers() & java.lang.reflect.Modifier.STATIC) != 0)
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}

static Field set_findField(Class<?> c, String field) {
  Class _c = c;
  do {
    for (Field f : _c.getDeclaredFields())
      if (f.getName().equals(field))
        return f;
    _c = _c.getSuperclass();
  } while (_c != null);
  throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static long sysNow() {
  ping();
  return System.nanoTime()/1000000;
}
static int hashOfLong(long l) {
  return Long.hashCode(l);
}
static int length(Object[] array) {
  return array == null ? 0 : array.length;
}

static int length(List list) {
  return list == null ? 0 : list.size();
}

static int length(String s) {
  return s == null ? 0 : s.length();
}
static void internalFramePopupMenuItem(Container f, final String name, final Object action) {
  internalFrameTitlePopupMenuItem(((JInternalFrame) f), name, action);
}
static Runnable runnableThread(final Runnable r) {
  return new Runnable() {  public void run() { try {  startThread(r) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "startThread(r)"; }};
}
static void minFrameSize(Component c, int w, int h) {
  minimalFrameSize(c, w, h);
}
static String getString(Map map, Object key) {
  return map == null ? null : (String) map.get(key);
}

static String getString(List l, int idx) {
  return (String) get(l, idx);
}

static String getString(Object o, Object key) {
  if (o instanceof Map) return getString((Map) o, key);
  if (key instanceof String)
    return (String) getOpt(o, (String) key);
  throw fail("Not a string key: " + getClassName(key));
}

static String getString(String key, Object o) {
  return getString(o, (Object) key);
}
static Object dm_rcall(String method, Object moduleOrID, Object... args) {
  return dm_call(moduleOrID, method, args);
}
static long rcall_long(String method, Object o, Object... args) {
  return toLong(rcall(method, o, args));
}
static String lstr(Map map) {
  return str(l(map));
}

static String lstr(Collection c) {
  return str(l(c));
}

static String lstr(String s) {
  return str(l(s));
}
static List<String> dm_activeDiscordTokens() {
  return concatLists((List<List<String>>) vmBus_queryAll("activeDiscordTokens"));
}
static String myPublicIP() {
  return myFirewallIP();
}
static List<String> extractPossibleDiscordTokens(String s) {
  return regexpAll(discordTokenRegexp(), s);
}
static List vmBus_queryAll(String msg, Object... args) {
  Object arg = vmBus_wrapArgs(args);
  List out = new ArrayList();
  for (Object o : unnull(vm_busListeners_live()))
    addIfNotNull(out, pcallF(o, msg, arg));
  for (Object o : unnull(vm_busListenersByMessage_live().get(msg)))
    addIfNotNull(out, pcallF(o, msg, arg));
  return out;
}
static String dm_showNewModuleWithParams(String moduleLibID, Object... params) {
  String moduleID = dm_makeNewModuleWithParams(moduleLibID, params);
  dm_showModule(moduleID);
  return moduleID;
}
static String dm_moduleLibID() {
  return programID() + "/" + shortClassName(dm_current_mandatory_generic());
}

static String dm_moduleLibID(Object mod) {
  if (mod == null) return null;
  mod = dm_getModule(mod);
  if (hasSuperclassShortNamed(mod, "DynModule"))
    return programID(mod) + "/" + shortClassName(mod);
  return null;
}
static String discordAtExclam(long userID) {
  return userID == 0 ? "unknown person" : "<@!" + userID + ">";
}
static void dm_watchField(String field, Runnable onChange) {
  new Dyn_FieldWatcher(dm_current_mandatory(), field, onChange);
}
static void dm_reloadOnFieldChange(String... fields) {
  for (String field : unnull(fields))
    dm_onFieldChange(field, new Runnable() {  public void run() { try {  dm_reloadModule(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "dm_reloadModule();"; }});
}
static double elapsedMinutes_timestamp(long time) {
  return toMinutes(now()-time);
}
static void containerAddFirst(final Container c, final Component... l) {
  { swing(new Runnable() {  public void run() { try { 
    for (int i = 0; i < l(l); i++)
      c.add(l[i], i);
    revalidate(c);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "for (int i = 0; i < l(l); i++)\r\n      c.add(l[i], i);\r\n    revalidate(c);"; }}); }
}
// action can be Runnable or a function name
static JButton jThreadedButton(final String text, final Object action) {
  return swing(new F0<JButton>() { public JButton get() { try { 
    String text2 = dropPrefix("[disabled] ", text);
    final JButton btn = new JButton(text2);
    if (l(text2) < l(text)) btn.setEnabled(false);
    btn.setToolTipText(btn.getText());
    if (action != null)
      btn.addActionListener(actionListenerInNewThread(action, btn));
    return btn;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "S text2 = dropPrefix(\"[disabled] \", text);\r\n    final JButton btn = new JButt..."; }});
}
static void dm_stringFieldDialog(final String field, final Object... __) {
  final DynModule m = dm_current_mandatory();
  final String humanized = humanizeFormLabel(field);
  final JTextField tf = jtextfield(get(m, field));
  showFormTitled(or2(stringOptPar(__, "formTitle"), "Set " + humanized),
    humanized + ":", tf, new Runnable() {  public void run() { try { 
      m.setField(field, gtt(tf));
      callF(optPar(__, "onSet"));
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "m.setField(field, gtt(tf));\r\n      callF(optPar(__, \"onSet\"));"; }});
}
static void addToContainer(final Container a, final Component b) {
  if (a != null && b != null) { swing(new Runnable() {  public void run() { try {  a.add(b); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "a.add(b);"; }}); }
}
// menuParams: text, Runnable, ...
// also: position := 'left/'center/'right
static JButton jPopDownButton_noText(final Object... menuParams) {
  return toolTip("Additional commands", jPopDownButton("", menuParams));
}
static void dm_exportStructureToTextFileDialog(DynModule mod) {
  inputText("Text file to save data in (" + dm_moduleName(mod) + ")",
    f2s(dm_structureExportDefaultFile(mod)), new VF1<String>() { public void get(String path) { try { 
      saveTextFileWithInfoBox(newFile(path),
        javaTokWordWrap(dm_freshModuleStructureWithoutError(mod)));
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "saveTextFileWithInfoBox(newFile(path),\r\n        javaTokWordWrap(dm_freshModul..."; }});
}
static void dm_importStructureFromTextFileDialog(DynModule mod) {
  File f = showFileChooserWithDefaultDir("Module data to restore", javaxBackupDir());
  if (fileExists(f)) {
    infoBox("Replacing module with " + f2s(f));
    dm_replaceModuleWithStructure(mod, loadTextFile(f));
  }
}
static <A extends JComponent> A setEnabled(A c, boolean enable) {
  if (c != null) { swing(new Runnable() {  public void run() { try {  c.setEnabled(enable); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "c.setEnabled(enable);"; }}); }
  return c;
}

static <A extends JComponent> A setEnabled(boolean enable, A c) {
  return setEnabled(c, enable);
}
static void dm_reload() {
  dm_reloadMe();
}


static JPanel jSection(Component c) {
  return jSection("", c);
}

static JPanel jSection(final String title, final Component c) {
  return swing(new F0<JPanel>() { public JPanel get() { try { 
    Border border = BorderFactory.createBevelBorder(BevelBorder.LOWERED);
    border = BorderFactory.createTitledBorder(border, title);
    JSection panel = new JSection(c);
    panel.setBorder(border);
    return panel;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "Border border = BorderFactory.createBevelBorder(BevelBorder.LOWERED);\r\n    bo..."; }});
}

static JPanel jSection(String title) {
  return jSection(title, jpanel());
}

static JScrollPane jscroll_copyBackground(Component c) {
  return setScrollPaneBackground(getBackground(c), jscroll(c));
}
static JFastLogView_noWrap jFastLogView_noWrap() {
  return jFastLogView_noWrap("");
}

static JFastLogView_noWrap jFastLogView_noWrap(String text) {
  return withTypeWriterFont(swingNu(JFastLogView_noWrap.class, text));
}
static String getPrintLog() {
  return str(print_log);
}
static <A extends JComponent> A componentPopupMenuItem(A c, final String name, final Object action) {
  componentPopupMenu(c, new VF1<JPopupMenu>() { public void get(JPopupMenu menu) { try { 
    addMenuItem(menu, name, action);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "addMenuItem(menu, name, action);"; }});
  return c;
}

static void componentPopupMenuItem(JComponent c, final JMenuItem menuItem) {
  componentPopupMenu(c, new VF1<JPopupMenu>() { public void get(JPopupMenu menu) { try { 
    addMenuItem(menu, menuItem);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "addMenuItem(menu, menuItem);"; }});
}
static void dm_clearModulePrintLog() {
  clearStringBuffer_gen(dm_current_mandatory()._actualPrintLog());
}
static <A extends JComponent> A awtEvery(A component, long delay, Object r) {
  swingEvery(component, delay, r);
  return component;
}

static <A extends JComponent> A awtEvery(A component, long delay, long firstDelay, Object r) {
  swingEvery(component, delay, firstDelay, r);
  return component;
}

static void awtEvery(RootPaneContainer frame, long delay, Object r) {
  swingEvery(frame, delay, r);
}

static <A extends JComponent> A awtEvery(A component, double delaySeconds, Object r) {
  return awtEvery(component, toMS(delaySeconds), r);
}
static Object swing(Object f) {
  return swingAndWait(f);
}

static <A> A swing(F0<A> f) {
  return (A) swingAndWait(f);
}

static <A> A swing(IF0<A> f) {
  return (A) swingAndWait(f);
}
static boolean scrollAllTheWayDown_bruteForce = true;

static void scrollAllTheWayDown(final JComponent c) {
  if (c != null) { swing(new Runnable() {  public void run() { try { 
    int h = c.getHeight()-1;
    if (scrollAllTheWayDown_bruteForce) h = max(h, 100000);
    c.scrollRectToVisible(new Rectangle(0, h, 1, 1));
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "int h = c.getHeight()-1;\r\n    if (scrollAllTheWayDown_bruteForce) h = max(h, ..."; }}); }
}
// independent timer
static void awtLater(int delay, final Object r) {
  swingLater(delay, r);
}

static void awtLater(Object r) {
  swingLater(r);
}

// dependent timer (runs only when component is visible)
static void awtLater(JComponent component, int delay, Object r) {
  installTimer(component, r, delay, delay, false);
}

static void awtLater(JFrame frame, int delay, Object r) {
  awtLater(frame.getRootPane(), delay, r);
}
static StringBuffer liveLocalPrintLog_realMC(Object o) {
  Object realMC = getMainClass(o);
  if (realMC != mc())
    return (StringBuffer) getOpt(realMC, "local_log");
  return liveLocalPrintLog();
}
static Dimension getPreferredSize(final Component c) {
  return c == null ? null : swing(new F0<Dimension>() { public Dimension get() { try {  return c.getPreferredSize();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret c.getPreferredSize();"; }});
}
static int getWidth(Component c) {
  return c == null ? 0 : (int) swingCall(c, "getWidth");
}
static int getHeight(Component c) {
  return c == null ? 0 : (int) swingCall(c, "getHeight");
}
static Color getBackground(final Component c) {
  return c == null ? null : swing(new F0<Color>() { public Color get() { try {  return c.getBackground();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret c.getBackground();"; }});
}
static FontMetrics componentFontMetrics(JComponent c) {
  Font font = getFont(c);
  return font == null ? null : swing(new F0<FontMetrics>() { public FontMetrics get() { try {  return c.getFontMetrics(font);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret c.getFontMetrics(font);"; }});
}
static int idiv_ceil(int a, int b) {
  return (a+b-1)/b;
}

static int idiv_ceil(long a, long b) {
  return toInt_checked((a+b-1)/b);
}


static boolean setText_opt = true; // optimize by calling getText first

static <A extends JTextComponent> A setText(A c, Object text) {
  setText((JComponent) c, text);
  return c;
}

static <A extends JComboBox> A setText(final A c, Object text) {
  // only for editable combo boxes at this point
  final String s = strUnnull(text);
  { swing(new Runnable() {  public void run() { try { 
    c.getEditor().setItem(s);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "c.getEditor().setItem(s);"; }}); }
  return c;
}

static void setText(JLabel c, Object text) {
  setText((JComponent) c, text);
}

static JButton setText(JButton c, Object text) {
  setText((JComponent) c, jlabel_textAsHTML_center_ifNeeded(strUnnull(text)));
  return c;
}

static <A extends JComponent> A setText(final A c, Object text) {
  if (c == null) return null;
  final String s = strUnnull(text);
  { swing(new Runnable() {  public void run() { try { 
    if (!setText_opt || neq(callOpt(c, "getText"), s))
      call(c, "setText", s);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (!setText_opt || neq(callOpt(c, \"getText\"), s))\r\n      call(c, \"setText\", s);"; }}); }
  return c;
}




static <A> List<A> asSyncList(Iterable<A> l) {
  return asSynchroList(l);
}
static <A extends Component> A _revalidate(A c) {
  return revalidate(c);
}

static void _revalidate(JFrame f) {
  revalidate(f);
}

static void _revalidate(JInternalFrame f) {
  revalidate(f);
}
static boolean endsWithNewLine(String s) {
  return endsWith(s, "\n");
}

static String getText(final AbstractButton c) {
  return c == null ? "" : (String) swingAndWait(new F0<Object>() { public Object get() { try {  return c.getText();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret c.getText();"; }});
}

static String getText(final JTextComponent c) {
  return c == null ? "" : (String) swingAndWait(new F0<Object>() { public Object get() { try {  return c.getText();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret c.getText();"; }});
}

static String getText(final JLabel l) {
  return l == null ? "" : (String) swingAndWait(new F0<Object>() { public Object get() { try {  return l.getText();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret l.getText();"; }});
}

// returns the contents of text field for editable combo box
static String getText(final JComboBox cb) {
  if (cb == null) return null;
  if (isEditableComboBox(cb))
    return unnull((String) cb.getEditor().getItem());
  else
    return str(cb.getSelectedItem());
}



static String lines_rtrimIf(boolean rtrim, List<String> lines) {
  return rtrim ? lines_rtrim(lines) : lines(lines);
}


static String copyTextToClipboard(Object _text) {
  String text = str(_text);
  StringSelection selection = new StringSelection(text);
  Toolkit.getDefaultToolkit().getSystemClipboard().setContents(selection, selection);
  vmBus_send("newClipboardContents", text);
  return text;
}


static Flag dm_initErrorHandling_flag = new Flag();

static void dm_initErrorHandling() {
  raiseFlagAndDo(dm_initErrorHandling_flag, new Runnable() {  public void run() { try { 
    _handleException_addHandler("dm_initErrorHandling_handler");
    
    assertNull(_onRegisterThread);
    _onRegisterThread = new VF1<Thread>() { public void get(Thread t) { try { 
      DynModule m = dm_currentModule();
      if (m == null) printStackTrace("New thread made outside of a module");
      else m.ownTimer(t);
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "DynModule m = dm_currentModule();\r\n      if (m == null) printStackTrace(\"New ..."; }};
    _threadInfo_makers.add(new VF1<Map>() { public void get(Map map) { try {  mapPut(map, "dm_currentModule_value", dm_currentModule()) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "mapPut(map, 'dm_currentModule_value, dm_currentModule())"; }});
    _threadInheritInfo_retrievers.add(new VF1<Map>() { public void get(Map map) { try { 
      Object mod = map.get("dm_currentModule_value");
      if (mod instanceof DynModule) dm_currentModule_value.set(new WeakReference((DynModule) mod));
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "O mod = map.get('dm_currentModule_value);\r\n      if (mod instanceof DynModule..."; }});
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "_handleException_addHandler(f dm_initErrorHandling_handler);\r\n    \r\n    asser..."; }});
}

static void dm_initErrorHandling_handler(Throwable e) {
  DynModule m = dm_currentModule();
  if (m == null)
    print("Weird: Error outside of module");
  else
    m.setField("_error" , persistableThrowable(e));
}



static void setMainDesktopPane(JDesktopPane desktop) {
  mainDesktopPane_value = desktop;
}
static <A> A getCreatorOpt(String field) {
  return (A) getOpt(creator(), field);
}
static <A extends Component> A possiblyInternalFrameTitle(A c, String title) {
  JInternalFrame f = getInternalFrame(c);
  if (f != null) internalFrameTitle(f, title);
  else frameTitle(getFrame(c), title);
  return c;
}

static String possiblyInternalFrameTitle(Component c) {
  JInternalFrame f = getInternalFrame(c);
  return f != null ? internalFrameTitle(f) : frameTitle(getFrame(c));
}


static void ownResource(AutoCloseable c) {
  _registerAutoCloseable(c);
}
static <A, B> Map<A, B> getAndClearMap(Map<A, B> map) {
  if (map == null) return emptyMap();
  synchronized(collectionMutex(map)) {
    Map<A, B> out = cloneMap(map);
    map.clear();
    return out;
  }
}
static Object pcallFInRealOrMyMC(final Object realm, final Object f, final Object... args) {
  try { return callFInRealOrMyMC(realm, f, args); } catch (Throwable __e) { _handleException(__e); }
  return null;
}


static <A> A pcallFInRealOrMyMC(Object realm, F0<A> f) { try {
  return f == null ? null : f.get();
} catch (Throwable __e) { return null; } }



static <A, B> B pcallFInRealOrMyMC(Object realm, F1<A, B> f, A a) { try {
  return f == null ? null : f.get(a);
} catch (Throwable __e) { return null; } }

static Rect dm_getBounds(Object module) {
  return shallowCloneToClass(Rect.class,call(dm_getStem(module), "getFrameRect"));
}


static Rect dm_getBounds() {
  return dm_getBounds(dm_current_generic());
}

static boolean hasMethod_onTypes(Object o, String method, Class... argTypes) {
  return findMethod_precise_onTypes(o, method, argTypes) != null;
}
static void dm_onTopInput_q(final VF1<String> r) {
  final DynModule m = dm_current_mandatory();
  dm_onTopInput(new VF1<String>() { public void get(final String s) { try { 
    m.q().add(new Runnable() {  public void run() { try { 
    callF(r, s);
   
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(r, s);"; }}); } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "switch to m.q();\r\n    callF(r, s);"; }});
}
static AutoCloseable combineAutoCloseables(final AutoCloseable a, final AutoCloseable b) {
  return a == null ? b : b == null ? a : new AutoCloseable() { public String toString() { return "a.close(); b.close();"; } public void close() throws Exception { a.close(); b.close(); }};
}

static AutoCloseable combineAutoCloseables(AutoCloseable a, AutoCloseable b, AutoCloseable c, AutoCloseable... more) {
  return combineAutoCloseables(concatLists(ll(a, b, c), asList(more)));
}

static AutoCloseable combineAutoCloseables(Iterable<AutoCloseable> l) {
  return foldl(new F2<AutoCloseable, AutoCloseable, AutoCloseable>() { public AutoCloseable get(AutoCloseable a, AutoCloseable b) { try {  return combineAutoCloseables(a,b);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "combineAutoCloseables(a,b)"; }}, null, l);
}
static ThreadLocal realMC_tl_tl = new ThreadLocal();

static ThreadLocal realMC_tl() {
  return realMC_tl_tl;
}
static AutoCloseable tempLock(final Lock lock) {
  if (lock == null) return null;
  lock(lock);
  return new AutoCloseable() { public String toString() { return "unlock(lock);"; } public void close() throws Exception { unlock(lock); }};
}
static <A> boolean addIfNotThere(Collection<A> c, A a) {
  return setAdd(c, a);
}
static <A extends JSpinner> A onChange(A spinner, Object r) {
  { swing(new Runnable() {  public void run() { try {  spinner.addChangeListener(changeListener(r)); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "spinner.addChangeListener(changeListener(r));"; }}); }
  return spinner;
}

static <A extends AbstractButton> A onChange(A b, Object r) {
  { swing(new Runnable() {  public void run() { try {  b.addItemListener(itemListener(r)); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "b.addItemListener(itemListener(r));"; }}); }
  return b;
}

static void onChange(JTextComponent tc, Object r) {
  onUpdate(tc, r);
}

static <A extends JSlider> A onChange(A slider, final Object r) {
  { swing(new Runnable() {  public void run() { try {  slider.addChangeListener(changeListener(r)); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "slider.addChangeListener(changeListener(r));"; }}); }
  return slider;
}

static JComboBox onChange(Object r, JComboBox cb) {
  return onChange(cb, r);
}

static JComboBox onChange(JComboBox cb, final Object r) {
  if (isEditableComboBox(cb))
    onChange(textFieldFromComboBox(cb), r);
  else
    onSelectedItem(cb, new VF1<String>() { public void get(String s) { try {  callF(r) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "callF(r)"; }});
  return cb;
}
// action = runnable or method name
static void onUpdateAndNow(JComponent c, final Object r) {
  onUpdate(c, r);
  callF(r);
}

static void onUpdateAndNow(List<? extends JComponent> l, Object r) {
  for (JComponent c : l)
    onUpdate(c, r);
  callF(r);
}
// action = runnable or method name
static void onUpdate(JComponent c, final Object r) {
  if (c instanceof JTextComponent)
    ((JTextComponent) c).getDocument().addDocumentListener(new DocumentListener() {
      public void insertUpdate(DocumentEvent e) {
        call(r);
      }
      public void removeUpdate(DocumentEvent e) {
        call(r);
      }
      public void changedUpdate(DocumentEvent e) {
        call(r);
      }
    });
  else if (c instanceof ItemSelectable) // JCheckBox and others
    ((ItemSelectable) c).addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        call(r);
      }
    });
  else
    print("Warning: onUpdate doesn't know " + getClassName(c));
}

static void onUpdate(List<? extends JComponent> l, Object r) {
  for (JComponent c : l)
    onUpdate(c, r);
}
static void zeroAllFieldsOfTypeExcept(Object o, Class type, String... exceptions) {
  zeroAllFieldsOfTypeExcept(o, type, asSet(exceptions));
}

static void zeroAllFieldsOfTypeExcept(Object o, Class type, Collection<String> exceptions) {
  Set<String> set = asSet(exceptions);
  for (String field : allFields(o))
    if (!set.contains(field) && instanceOf(getOpt(o, field), type))
      set(o, field, null);
}
static List<AbstractAction> paramsToAbstractActions(Object... params) {
  List<AbstractAction> l = new ArrayList();
  for (int i = 0; i+1 < l(params); i += 2) {
    String text =  (String) (params[i]);
    Runnable action =  (Runnable) (params[i+1]);
    if (nempty(text))
      l.add(abstractAction(text, action));
  }
  return l;
}
static void internalFramePopupMenuFromActions_threaded(Container f, List<AbstractAction> actions) {
  if (!(f instanceof JInternalFrame)) return;
  for (final AbstractAction a : unnull(actions))
    if (a != null)
      internalFramePopupMenuItem(((JInternalFrame) f), str(a.getValue(Action.NAME)), runnableThread(new Runnable() {  public void run() { try {  callAction(a) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callAction(a)"; }}));
}
static <A> LinkedHashSet<A> asLinkedHashSet(A[] array) {
  LinkedHashSet<A> set = new LinkedHashSet();
  for (A o : array)
    if (o != null)
      set.add(o);
  return set;
}

static <A> LinkedHashSet<A> asLinkedHashSet(Collection<A> l) {
  if (l instanceof LinkedHashSet) return (LinkedHashSet) l;
  LinkedHashSet<A> set = new LinkedHashSet();
  for (A o : l)
    if (o != null)
      set.add(o);
  return set;
}
static List<String> splitAtSpace(String s) {
  return empty(s) ? emptyList() : asList(s.split("\\s+"));
}
static Set<String> allFields(Object o) {
  TreeSet<String> fields = new TreeSet();
  Class _c = _getClass(o);
  do {
    for (Field f : _c.getDeclaredFields())
      fields.add(f.getName());
    _c = _c.getSuperclass();
  } while (_c != null);
  return fields;
}
static Class fieldType(Object o, String field) {
  Field f = getField(o, field);
  return f == null ? null : f.getType();
}
static void dm_boolFieldMenuItem(Container frame, final String field, final Object... __) {
  final DynModule m = dm_current_mandatory();
  final String humanized = humanizeFormLabel(field);
  internalFrameTitlePopupMenu(((JInternalFrame) frame), new VF1<JPopupMenu>() { public void get(JPopupMenu menu) { try { 
    menu.add(jCheckBoxMenuItem(humanized, (boolean) _get(m, field), new VF1<Boolean>() { public void get(Boolean b) { try { 
      m.setField(field, b);
      callF(optPar(__, "onSet"));
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "m.setField(field, b);\r\n      callF(optPar(_, 'onSet));"; }}));
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "menu.add(jCheckBoxMenuItem(humanized, (bool) _get(m, field), voidfunc(bool b)..."; }});
}
static void dm_intFieldMenuItem(Container frame, final String field, final Object... __) {
  final DynModule m = dm_current_mandatory();
  final String humanized = humanizeFormLabel(field);
  internalFramePopupMenuItem(((JInternalFrame) frame), humanizeFormLabel(field) + "...", new Runnable() {  public void run() { try { 
    final JTextField tf = jtextfield(get(m, field));
    showFormTitled(or2(stringOptPar(__, "formTitle"), "Set " + humanized),
      humanized + ":", tf, new Runnable() {  public void run() { try { 
        m.setField(field, parseInt(gtt(tf)));
        callF(optPar(__, "onSet"));
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "m.setField(field, parseInt(gtt(tf)));\r\n        callF(optPar(__, \"onSet\"));"; }});
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "final JTextField tf = jtextfield(get(m, field));\r\n    showFormTitled(or2(stri..."; }});
}
static void dm_doubleFieldMenuItem(Container frame, final String field, final Object... __) {
  final DynModule m = dm_current_mandatory();
  internalFramePopupMenuItem(((JInternalFrame) frame), humanizeFormLabel(field) + "...", new Runnable() {  public void run() { try { 
     AutoCloseable __1 = m.enter(); try {
    dm_doubleFieldSetterDialog(field, __);
  
} finally { _close(__1); }} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "temp m.enter();\r\n    dm_doubleFieldSetterDialog(field, __);"; }});
}
static void dm_stringFieldMenuItem(Container frame, final String field, final Object... __) {
  final DynModule m = dm_current_mandatory();
  internalFramePopupMenuItem(((JInternalFrame) frame), humanizeFormLabel(field) + "...", new Runnable() {  public void run() { try { 
     AutoCloseable __1 = m.enter(); try {
    dm_stringFieldDialog(field, __);
  
} finally { _close(__1); }} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "temp m.enter();\r\n    dm_stringFieldDialog(field, __);"; }});
}
static ReliableSingleThread dm_rst(Runnable r) {
  return dm_rst(dm_current_mandatory(), r);
}

static ReliableSingleThread dm_rst(DynModule mod, Runnable r) {
  return dm_rst(mod, new ReliableSingleThread(r));
}

static ReliableSingleThread dm_rst(DynModule mod, ReliableSingleThread rst) {
  rst.enter = dm_rEnter(mod);
  return rst;
}
static Q dm_startQ() {
  return dm_ownQ(startQ());
}

static Q dm_startQ(String name) {
  return dm_ownQ(startQ(name));
}
static JComponent dm_noVisualisation() {
  return setToolTip("Module has no visualization", jimage("#1101480"));
}
static String snippetTitle(String id) {
  return getSnippetTitle(id);
}

static String snippetTitle(long id) {
  return getSnippetTitle(id);
}

static Class mainClass() {
  return getMainClass();
}

static Class mainClass(Object o) {
  return getMainClass(o);
}
static <A, B> Map<A, B> mapMinus(Map<A, B> map, Object... keys) {
  if (empty(keys)) return map;
  Map<A, B> m2 = cloneMap(map);
  for (Object key : keys)
    m2.remove(key);
  return m2;
}
static Set<java.util.Timer> _registerTimer_list = newWeakHashSet();

static void _registerTimer_original(java.util.Timer timer) {
  _registerTimer_list.add(timer);
}

static void cleanMeUp__registerTimer() {
  cancelTimers(getAndClearList(_registerTimer_list));
}
static Class _run(String progID, String... args) {
  Class main = hotwire(progID);
  callMain(main, args);
  return main;
}
static <A> A syncPopFirst(List<A> l) {
  if (empty(l)) return null;
  synchronized(l) {
    A a = first(l);
    l.remove(0);
    return a;
  }
}
static void cancelAndInterruptThread(Thread t) {
  if (t == null) return;
  cancelThread(t);
  t.interrupt();
}


static Object _onAWTEnter_f;

static AutoCloseable _onAWTEnter() {
  return (AutoCloseable) callF(_onAWTEnter_f);
}
static JDesktopPane mainDesktopPane_value;

static JDesktopPane mainDesktopPane() {
  return mainDesktopPane_value;
}
static void interruptThread(Thread t) {
  if (t == null) return;
  t.interrupt();
  URLConnection c =  (URLConnection) (vm_generalSubMap("URLConnection per thread").get(t));
  if (c != null) { try {
    print("Closing URLConnection of interrupted thread.");
    call(c, "disconnect");
  } catch (Throwable __e) { _handleException(__e); }}
}

static void cancelTimer(javax.swing.Timer timer) {
  if (timer != null) timer.stop();
}


static void cancelTimer(java.util.Timer timer) {
  if (timer != null) timer.cancel();
}

static void cancelTimer(Object o) {
  if (o instanceof java.util.Timer) cancelTimer((java.util.Timer) o);
  
  else if (o instanceof javax.swing.Timer) cancelTimer((javax.swing.Timer) o);
  
  else if (o instanceof AutoCloseable) { try { ((AutoCloseable) o).close(); } catch (Throwable __e) { _handleException(__e); }}
}
static Method findMethod_cached(Object o, String method, Object... args) { try {
  if (o == null) return null;
  if (o instanceof Class) {
    _MethodCache cache = callOpt_getCache(((Class) o));
    List<Method> methods = cache.cache.get(method);
    if (methods != null) for (Method m : methods)
      if (isStaticMethod(m) && findMethod_checkArgs(m, args, false))
        return m;
    return null;
  } else {
    _MethodCache cache = callOpt_getCache(o.getClass());
    List<Method> methods = cache.cache.get(method);
    if (methods != null) for (Method m : methods)
      if (findMethod_checkArgs(m, args, false))
        return m;
    return null;
  }
} catch (Exception __e) { throw rethrow(__e); } }

static ExpiringMap2<String, String> mechList_raw_cache = new ExpiringMap2(10000).setMap(ciMap());
static Lock mechList_raw_lock = lock();

// timeout for loading
static int mechList_raw_timeout = 60000;

static String mechList_raw(String name) { try {
  Lock __0 = mechList_raw_lock; lock(__0); try {
  
  if (empty(name)) return "";
  
  // get from cache
  String src = mechList_raw_cache.get(name);
  if (src != null) return src;
  
  // load & put in cache - TODO: make postPage honor this
  //temp tempSetThreadLocal(loadPage_forcedTimeout_byThread, mechList_raw_timeout);
  src = mechList_raw_fresh(name);
  if (src != null)
    mechList_raw_cache.put(name, src);
  return src;
} finally { unlock(__0); } } catch (Exception __e) { throw rethrow(__e); } }

static VF2<String, Object> mechList_raw_listener = new VF2<String, Object>() { public void get(String msg, Object arg) { try { 
  if (eq(msg, "mechChange") && arg instanceof String) {
    //print("Got change notification: " + arg);
    mechList_raw_cache.remove((String) arg);
  }
 } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "if (eq(msg, 'mechChange) && arg instanceof S) {\r\n    //print(\"Got change noti..."; }};

static void _onLoad_mechList_raw() { add(vm_busListeners_live(), mechList_raw_listener); }
static void cleanMeUp_mechList_raw() { remove(vm_busListeners_live(), mechList_raw_listener); }
static String assertPossibleGlobalID(String s) {
  if (!possibleGlobalID(s))
    throw fail("Not an acceptable global ID: " + s);
  return s;
}
static char charPlus(char a, int b) {
  return (char) (((int) a) + b);
}
// better modulo that gives positive numbers always
static int mod(int n, int m) {
  return (n % m + m) % m;
}

static long mod(long n, long m) {
  return (n % m + m) % m;
}

static BigInteger mod(BigInteger n, int m) {
  return n.mod(bigint(m));
}

static double mod(double n, double m) {
  return (n % m + m) % m;
}

static String div(Object contents, Object... params) {
  return hfulltag("div", contents, params);
}

static BigInteger div(BigInteger a, BigInteger b) {
  return a.divide(b);
}

static BigInteger div(BigInteger a, int b) {
  return a.divide(bigint(b));
}
static File loadBinarySnippet(String snippetID) { try {
  
  IResourceLoader rl = vm_getResourceLoader();
  if (rl != null)
    return rl.loadLibrary(snippetID);
  
  
  long id = parseSnippetID(snippetID);
  if (isImageServerSnippet(id)) return loadImageAsFile(snippetID);
  File f = DiskSnippetCache_getLibrary(id);
  if (fileSize(f) == 0)
    f = loadDataSnippetToFile(snippetID);
  return f;
} catch (Exception __e) { throw rethrow(__e); } }
static <A> A setAll(A o, Map<String, Object> fields) {
  if (fields == null) return o;
  for (String field : keys(fields))
    set(o, field, fields.get(field));
  return o;
}

static <A> A setAll(A o, Object... values) {
  //values = expandParams(c.getClass(), values);
  failIfOddCount(values);
  for (int i = 0; i+1 < l(values); i += 2) {
    String field = (String) values[i];
    Object value = values[i+1];
    set(o, field, value);
  }
  return o;
}
static DynModule dm_current_mandatory() {
  return assertNotNull("No module set!", dm_currentModule());
}
static <A> AutoCloseable dm_vmBus_onMessage(final String msg, final VF1<A> onMessage) {
  return dm_ownResource(vmBus_onMessage(msg, onMessage));
}

static <A> AutoCloseable dm_vmBus_onMessage(final String msg, final IVF1<A> onMessage) {
  return dm_ownResource(vmBus_onMessage(msg, ivf1ToVF1(onMessage)));
}

static <A, B> AutoCloseable dm_vmBus_onMessage(final String msg, final IVF2<A, B> onMessage) {
  return dm_ownResource(vmBus_onMessage(msg, ivf2ToVF2(onMessage)));
}


static <A, B> AutoCloseable dm_vmBus_onMessage(String msg, final VF2<A, B> onMessage) {
  return dm_ownResource(vmBus_onMessage(msg, onMessage));
}



static <A, B, C> AutoCloseable dm_vmBus_onMessage(String msg, final VF3<A, B, C> onMessage) {
  return dm_ownResource(vmBus_onMessage(msg, onMessage));
}




static AutoCloseable dm_vmBus_onMessage(String msg, Runnable onMessage) {
  return dm_ownResource(vmBus_onMessage(msg, onMessage));
}


static List<String> dropPunctuation3_keep = ll("*", "<", ">");
static Map<String, String> dropPunctuation3_cache = defaultSizeMRUCache();

static List<String> dropPunctuation3(List<String> tok) {
  tok = new ArrayList<String>(tok);
  for (int i = 1; i < tok.size(); i += 2) {
    String t = tok.get(i);
    if (t.length() == 1 && !Character.isLetter(t.charAt(0)) && !Character.isDigit(t.charAt(0)) && !dropPunctuation3_keep.contains(t)) {
      // merge spacing and make sure it's not completely empty
      tok.set(i-1, or2(tok.get(i-1) + tok.get(i+1), " "));
      tok.remove(i);
      tok.remove(i);
      i -= 2;
    }
  }
  return tok;
}

static String dropPunctuation3(String s) {
  return getOrCreate_f0(dropPunctuation3_cache, s,
    () -> join(dropPunctuation3(javaTokNoQuotes(s))));
}


static boolean agiBlue_validPageName(String s) {
  s = trim(s);
  return nempty(s) && !containsNewLine(s);
}
static String agiBlue_lookupInSlice_pcall(String sliceID, String q, String... keys) { try {
  return agiBlue_lookupInSlice(sliceID, q, keys);
} catch (Throwable __e) { return null; } }
static String agiBlue_postInSlice_pcall(String slice, String a, String b, String c) { try {
  return agiBlue_postInSlice(slice, a, b, c);
} catch (Throwable __e) { return null; } }
static boolean regexpFind(String pat, String s) {
  return regexpFinds(pat, s);
}
static String discordTokenRegexp() {
  return "[MN][A-Za-z\\d]{23}\\.[\\w-]{6}\\.[\\w-]{27}";
}
static SelfUser jda_selfUser(JDA jda) {
  return jda.getSelfUser();
}
static String ymd() {
  return ymd(now());
}

static String ymd(long now) {
  return year(now) + formatInt(month(now), 2) + formatInt(dayOfMonth(now), 2);
}

static String ymd(long now, TimeZone tz) {
  return year(now, tz) + formatInt(month(now, tz), 2) + formatInt(dayOfMonth(now, tz), 2);
}


static String hms() {
  return hms(now());
}

static String hms(long time) {
  return new SimpleDateFormat("HHmmss").format(time);
}

static ZipOutputStream newZipOutputStream(String path) {
  return newZipOutputStream(new File(path));
}
  
static ZipOutputStream newZipOutputStream(File zip) { try {
  return new ZipOutputStream(newFileOutputStream(zip));
} catch (Exception __e) { throw rethrow(__e); } }
static void zip_addTextFile(ZipOutputStream outZip, String name, String text) { try {
  if (text == null) return;
  outZip.putNextEntry(new ZipEntry(name));
  byte[] utf8 = toUtf8(text);
  outZip.write(utf8, 0, l(utf8));
} catch (Exception __e) { throw rethrow(__e); } }
static int stdHash(Object a, String... fields) {
  if (a == null) return 0;
  int hash = getClassName(a).hashCode();
  for (String field : fields)
    hash = boostHashCombine(hash, hashCode(getOpt(a, field)));
  return hash;
}
static String standard_toString(Object o) {
  if (o == null) return "null";
  String name = shortClassName(o);
  Set<String> fields = fieldNames(o);
  if (empty(fields)) return name;
  return name + "(" + joinWithComma(mapNonNulls(fields, field -> {
    Object value = get(o, field);
    if (value == null) return null;
    return field + "=" + str(value);
  })) + ")";
}
static <A> TreeSet<A> treeSet() {
  return new TreeSet();
}
static List<String> splitAtDoubleArrow_tok;

static List<String> splitAtDoubleArrow_tok() {
  // initialize on demand to allow use in static initializers
  if (splitAtDoubleArrow_tok == null)
    splitAtDoubleArrow_tok = ll("=", "", ">");
  return splitAtDoubleArrow_tok;
}
static List<String> javaTokPlusBrackets(String s) {
  return tok_combineRoundOrCurlyBrackets_keep(javaTok(s));
}
static BasicLogicRule curryLHS_BasicLogicRule(BasicLogicRule rule) {
  if (rule == null) return null;
  while (licensed()) {
    Object lhs = rule.lhs;
    if (lhs instanceof And) {
Object a =  ((And) lhs).a;
Object b =  ((And) lhs).b;
      BasicLogicRule r = rule;
      rule = new BasicLogicRule(a, curryLHS(new BasicLogicRule(b, rule.rhs)));
      rule.trail = r.trail;
    } else break;
  }
  return rule;
}
static boolean tok_isRoundBracketed(String s) {
  List<String> tok = tok_combineRoundBrackets_keep(javaTok(s));
  return l(tok) == 3 && startsWithAndEndsWith(tok.get(1), "(", ")");
}
static <A> List<A> dropFirstThreeAndLastThree(List<A> l) {
  return dropFirstAndLast(3, l);
}
static int countTokens(String s) {
  return l(javaTokC(s));
}

static int countTokens(List<String> tok) {
  return l(tok)/2;
}
static boolean isCurlyBraced(String s) {
  List<String> tok = tok_combineCurlyBrackets_keep(javaTok(s));
  return l(tok) == 3 && startsWithAndEndsWith(tok.get(1), "{", "}");
}
static String tok_unCurlyBracket_keepSpaces(String s) {
  return isCurlyBraced(s) ? join(dropFirstTwoAndLastTwo(javaTok(s))) : s;
}
static int indent_default = 2;

static String indent(int indent) {
  return repeat(' ', indent);
}

static String indent(int indent, String s) {
  return indent(repeat(' ', indent), s);
}

static String indent(String indent, String s) {
  return indent + s.replace("\n", "\n" + indent);
}

static String indent(String s) {
  return indent(indent_default, s);
}

static List<String> indent(String indent, List<String> lines) {
  List<String> l = new ArrayList();
  if (lines != null) for (String s : lines)
    l.add(indent + s);
  return l;
}
static String tok_javaDropCommentsFromWhitespace(String s) {
  int l = l(s), j = 0;
  StringBuilder buf = new StringBuilder();
  while (j < l) {
    char c = s.charAt(j);
    char d = j+1 >= l ? '\0' : s.charAt(j+1);
    if (c == '/' && d == '*') {
      do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
      j = Math.min(j+2, l);
    } else if (c == '/' && d == '/') {
      do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
    } else {
      buf.append(c); ++j;
    }
  }
  return str(buf);
}
static TreeMap litCIMap(Object... x) {
  TreeMap map = caseInsensitiveMap();
  litmap_impl(map, x);
  return map;
}
static Map similarEmptyMap(Map m) {
  if (m instanceof TreeMap) return new TreeMap(((TreeMap) m).comparator());
  if (m instanceof LinkedHashMap) return new LinkedHashMap();
  
  // default to a hash map
  return new HashMap();
}
static String roundBracketIfMoreThanOneToken(String s) {
  return !tok_isRoundBracketed(s) && numberOfJavaTokens(s) > 1 ? roundBracket(s) : s;
}


static Map<String, List<String>> javaTokWithAllBrackets_cached_cache = synchronizedMRUCache(defaultTokenizerCacheSize());

static List<String> javaTokWithAllBrackets_cached(String s) {
  List<String> tok = javaTokWithAllBrackets_cached_cache.get(s);
  if (tok == null) javaTokWithAllBrackets_cached_cache.put(s, tok = javaTokWithAllBrackets(s));
  return tok;
}


static String[] drop(int n, String[] a) {
  n = Math.min(n, a.length);
  String[] b = new String[a.length-n];
  System.arraycopy(a, n, b, 0, b.length);
  return b;
}

static Object[] drop(int n, Object[] a) {
  n = Math.min(n, a.length);
  Object[] b = new Object[a.length-n];
  System.arraycopy(a, n, b, 0, b.length);
  return b;
}
static Map<String, String> gazelle_zip_keepBrackets(String inputA, String inputB, Object... __) {
  Object tokenizer = optPar("tokenizer",__, "javaTokWithBrackets");
  return gazelle_zipTwoTokenizationsToMap_keepBrackets(
    callTokenizer(tokenizer, inputA),
    callTokenizer(tokenizer, inputB));
}

static boolean tok_isRoundOrCurlyBracketed(String s) {
  return isCurlyBraced(s) || tok_isRoundBracketed(s);
}
static <A> boolean putAllStrictlyIC(Map<A, String> map, Map<A, String> adding) {
  return addMapToMapWithoutOverwritingIC(map, adding);
}
static boolean eqic_roundBracketed(String a, String b) {
  return eqic_roundBracketed_oneWay(a, b)
    || eqic_roundBracketed_oneWay(b, a);
}

static boolean eqic_roundBracketed_oneWay(String a, String b) {
  return l(a) == l(b)+2 && eqic(a, "(" + b + ")");
}
static <A> boolean strictPutIC(Map<A, String> map, A key, String value) {
  if (!(map != null && key != null && value != null)) return true;
  String old = map.get(key);
  if (old == null) { map.put(key, value); return true; }
  return eqic(old, value);
}


static void miniChat(String text) {
  String slackTS = getSlackTS();
  if (slackTS == null) {
    print("Skipping mini-chat post (not on slack): " + quote(text));
    return;
  }
  
  Object mcBot = getBot("#1002433");
  call(mcBot, "addToMiniChat", "dc" + slackTS, getProgramID(), text);
}
static List callF_all(Collection l, Object... args) {
  return map(l, f -> callF(f, args));
}
static <A> boolean eqGetOneOf(List<A> l, int i, A... options) {
  return eqOneOf(get(l, i), options);
}
static void tokAppend(List<String> tok, int i, String s) {
  tok.set(i, tok.get(i)+s);
}
static String autoUnindent(String s) {
  int n = getIndent(s);
  if (n == 0) return s;
  List<String> l = toLines(s);
  for (int i = 0; i < l(l); i++)
    l.set(i, substring(l.get(i), n));
  return fromLines(l);
}
static String withoutLeadingLinesEmptyAfterTrim(String s) {
  int lineStart = 0;
  while (licensed()) {
    int i = lineStart;
    while (isSpaceOrTab(charAt(s, i))) ++i;
    if (!isNewLine(charAt(s, i)))
      break;
    while (isNewLine(charAt(s, i))) ++i;
    lineStart = i;
  }
  return substring(s, lineStart);
}
  
static <A> List<A> dropFirstTwoAndLastThree(List<A> l) {
  return dropFirstAndLast(2, 3, l);
}
static String tok_deCurlyOrRound(String s) {
  return tok_deRoundOrCurlyBracket(s);
}
static String secondCodeToken(List<String> tok) {
  return get(tok, 3);
}
static String firstCodeToken(String s) {
  return firstJavaToken(s);
}

static String firstCodeToken(List<String> tok) {
  return get(tok, 1);
}
static String lastCodeToken(String s) {
  return lastJavaToken(s);
}

static String lastCodeToken(List<String> tok) {
  return get(tok, l(tok)-2);
}
static IterableIterator<Integer> iota(final int n) {
  return new IterableIterator<Integer>() {
    int i = 0;
    
    public boolean hasNext() { return i < n; }
    public Integer next() { return ++i; }
  };
}
static List<String> trimAll(Collection<String> l) {
  List<String> l2 = new ArrayList();
  if (l != null) for (String s : l)
    l2.add(trim(s));
  return l2;
}
/* input e.g.:

  if (a
    and b)
    bla;
    
  This will yield ("if (a\n  and b)", "  bla;")
  
  Note: doesn't support multi-line strings
*/
static List<String> lines_honoringBrackets(String text) {
  List<String> lines = lines(text);
  List<String> out = new ArrayList();
  int bracketLevel = 0; // how many open brackets
  int start = 0; // line where current block starts
  for (int i = 0; i < l(lines); i++) {
    List<String> tok = javaTok(lines.get(i));
    for (int j = 1; j < l(tok); j += 2) {
      String t = tok.get(j);
      if (eqOneOf(t, "(", "{", "[")) ++bracketLevel;
      else if (eqOneOf(t, ")", "}", "]")) --bracketLevel;
    }
    if (bracketLevel == 0) {
      out.add(lines_rtrim(subList(lines, start, i+1)));
      start = i+1;
    }
  }
  addIfNempty(out, lines_rtrim(subList(lines, start)));
  return out;
}
static Pair<String, String> tok_splitAtDoubleArrow_pair(String s) {
  return splitAtDoubleArrow_pair(s);
}



static Pair<String, String> tok_splitAtDoubleArrow_pair(List<String> tok) {
  return splitAtDoubleArrow_pair(tok);
}
// e.g. in = "very $x", out = "$x"
static void philosophyBot1_addSimplificationRule_withTrails(PhilosophyBot1 bot, String ruleIn, String ruleOut, String originalFact) {
  Set<T3<String, String, String>> replacements =  (Set<T3<String, String, String>>) (bot.getExtension("simplification rules"));
  if (replacements == null) {
    // first time, register extension and set up transformer
    bot.addExtension("simplification rules", replacements = new HashSet());
    Set<T3<String, String, String>> _replacements = replacements;
    bot.addTrailEnabledDeepTransformer(s -> {
      for (T3<String, String, String> p : _replacements) {
        String out = simpleRewriteWithDollarVars(p.a, p.b, s);
        if (out != null)
          return new WithTrail(litorderedmap("op" , "simplification rule",
            "p", p, "s", s, "out", out, "originalFact" , p.c), out);
      }
      return null;
    });
  }
  // after that, just add new replacement pair to the list
  replacements.add(t3(ruleIn, ruleOut, originalFact));
}
static <A> List<A> wrapArrayAsList(A[] a) {
  return a == null ? null : Arrays.asList(a);
}
static boolean isLetterOrDigitOrApostrophe(char c) {
  return Character.isLetterOrDigit(c) || c == '\'';
}
static TreeSet<String> toCaseInsensitiveSet(Iterable<String> c) {
  if (isCISet(c)) return (TreeSet) c;
  TreeSet<String> set = caseInsensitiveSet();
  addAll(set, c);
  return set;
}

static TreeSet<String> toCaseInsensitiveSet(String... x) {
  TreeSet<String> set = caseInsensitiveSet();
  addAll(set, x);
  return set;
}
static CancelPoint newCancelPoint() {
  return new CancelPoint();
}
static List<String> callTokenizer(Object tokenizer, String s) {
  return (List<String>) callF(tokenizer, s);
}
static String roundOpt(String s) {
  return roundBracketIfMoreThanOneToken(s);
}
static String curlyOpt(String s) {
  return curlyBraceOptIfMoreThanOneToken(s);
}
static String asciiHeading2(String title) {
  return asciiHeading(title) + "\n";
}
static Set asSet(Object[] array) {
  HashSet set = new HashSet();
  for (Object o : array)
    if (o != null)
      set.add(o);
  return set;
}

static Set<String> asSet(String[] array) {
  TreeSet<String> set = new TreeSet();
  for (String o : array)
    if (o != null)
      set.add(o);
  return set;
}

static <A> Set<A> asSet(Iterable<A> l) {
  if (l instanceof Set) return (Set) l;
  HashSet<A> set = new HashSet();
  for (A o : unnull(l))
    if (o != null)
      set.add(o);
  return set;
}


static <A> List<A> instancesOf(Iterable i, Class<A> c) {
  return collectInstances(i, c);
}



static <A> List<A> instancesOf(Class<A> c, Iterable i) {
  return collectInstances(c, i);
}
static Set similarEmptySet(Iterable m) {
  if (m instanceof TreeSet) return new TreeSet(((TreeSet) m).comparator());
  if (m instanceof LinkedHashSet) return new LinkedHashSet();
  
  return new HashSet();
}

static Set similarEmptySet(Map m) {
  if (m instanceof TreeMap) return new TreeSet(((TreeMap) m).comparator());
  if (m instanceof LinkedHashMap) return new LinkedHashSet();
  
  return new HashSet();
}
static BufferedImage toBufferedImageOpt(Object o) {
  if (o instanceof BufferedImage) return (BufferedImage) o;
  if (o instanceof MakesBufferedImage)
    return ((MakesBufferedImage) o).getBufferedImage();
  if (o instanceof File)
    if (isImageFile(((File) o)))
      return loadImage2(((File) o));
  String c = getClassName(o);
  
  // Keep this because it also works on imported objects
  if (eqOneOf(c, "main$BWImage", "main$RGBImage"))
    return (BufferedImage) call(o, "getBufferedImage");
    
  if (eq(c, "main$PNGFile"))
    return (BufferedImage) call(o, "getImage");
  return null;
}
static <A, B> IterableIterator<Pair<A, B>> outerProductPairs(Collection<A> lA, Collection<B> lB) {
  return nestedIterator(lA, new F1<A, Iterator<Pair<A, B>>>() { public Iterator<Pair<A, B>> get(A a) { try { 
    return mapI(lB, b -> pair(a, b));
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "mapI(lB, b -> pair(a, b))"; }});
}

static <A> IterableIterator<Pair<A, A>> outerProductPairs(Collection<A> lA) {
  return outerProductPairs(lA, lA);
}
static String optionalCurlyBrace(String s) {
  return isCurlyBraced(s) ? s : curlyBrace(s);
}
static double toDouble(Object o) {
  if (o instanceof Number)
    return ((Number) o).doubleValue();
  if (o instanceof BigInteger)
    return ((BigInteger) o).doubleValue();
  if (o instanceof String)
    return parseDouble(((String) o));
  if (o == null) return 0.0;
  throw fail(o);
}
static List<String> filterNempty(Collection<String> c) {
  List<String> l = new ArrayList();
  for (String x : unnull(c))
    if (nempty(x))
      l.add(x);
  return l;
}
static int countWhere(Collection c, Object... data) {
  int n = 0;
  if (c != null) for (Object x : c)
    if (checkFields(x, data))
      ++n;
  return n;
}
static <A, B> A keyForValue(B value, Map<A, B> map) {
  return reverseLookup(value, map);
}



static <A, B> A keyForValue(Map<A, B> map, B value) {
  return reverseLookup(map, value);
}
// fromKey = inclusive, toKey = exclusive
static <A, B> SortedMap<A, B> subMap(SortedMap<A, B> map, A fromKey, A toKey) {
  return map == null ? null : map.subMap(fromKey, toKey);
}
static void internalFrameTitlePopupMenuItem(JInternalFrame f, final String name, final Object action) {
  internalFrameTitlePopupMenu(f, new VF1<JPopupMenu>() { public void get(JPopupMenu menu) { try { 
    addMenuItem(menu, name, action)
  ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "addMenuItem(menu, name, action)"; }});
}
static void minimalFrameSize(Component c, int w, int h) {
  Container f = getPIFrame(c);
  if (f != null) setSize(f, max(w, getWidth(f)), max(h, getHeight(f)));
}
static String myFirewallIP() {
  return assertIPv4(loadPage(tb_mainServer() + "/tb-int/my-ip.php"));
}
static List<String> regexpAll(String pattern, String text) {
  List<String> matches = new ArrayList();
  Matcher matcher = regexp(pattern, text);
  while (matcher.find())
    matches.add(matcher.group());
  return matches;
}
static <A> boolean addIfNotNull(Collection<A> l, A a) {
  return a != null && l != null & l.add(a);
}


static String dm_makeNewModuleWithParams(String moduleLibID, Object... params) {
  return (String) dm_callOS("makeNewModule", moduleLibID, false, "beforeStart" , new VF1<Object>() { public void get(Object mod) { try { 
    print("Got module: " + dm_mod(mod));
    dm_call(mod, "setFields", params);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "print(\"Got module: \" + dm_mod(mod));\r\n    dm_call(mod, 'setFields, params);"; }});
}
static void dm_showModule(Object module) {
  Object stem = dm_getStem(module);
  if (stem != null/* && !dm_moduleIsPoppedOut(stem)*/)
    dm_callOS("showModule", stem);
}

static void dm_showModule() {
  dm_showModule(dm_current_mandatory_generic());
}
static boolean hasSuperclassShortNamed(Object o, String name) {
  Class c = _getClass(o);
  while (c != null)
    if (shortClassNameIs(c, name)) return true;
    else c = c.getSuperclass();
  return false;
}
static void dm_onFieldChange(String field, Runnable onChange) {
  dm_watchField(field, onChange);
}
static double toMinutes(long ms) {
  return ms/60000.0;
}
static <A extends Component> A revalidate(final A c) {
  if (c == null || !c.isShowing()) return c;
  { swing(new Runnable() {  public void run() { try { 
    // magic combo to actually relayout and repaint
    c.revalidate();
    c.repaint();
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "// magic combo to actually relayout and repaint\r\n    c.revalidate();\r\n    c.r..."; }}); }
  return c;
}

static void revalidate(JFrame f) { revalidate((Component) f); }
static void revalidate(JInternalFrame f) { revalidate((Component) f); }
static ActionListener actionListenerInNewThread(final Object runnable) {
  return actionListenerInNewThread(runnable, null);
}

static ActionListener actionListenerInNewThread(final Object runnable, final Object instanceToHold) {
  if (runnable instanceof ActionListener) return (ActionListener) runnable;
  return new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) { try {
    startThread("Action Listener", new Runnable() {  public void run() { try {    
       AutoCloseable __1 = holdInstance(instanceToHold); try {
      callF(runnable);
    } finally { _close(__1); }
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "AutoCloseable __1 = holdInstance(instanceToHold); try {\r\n      callF(runnable..."; }});
  } catch (Throwable __e) { messageBox(__e); }}};
}
static Map<String, String> humanizeFormLabel_replacements = litmap("id" , "ID", "md5" , "MD5");

static String humanizeFormLabel(String s) {
  if (containsSpace(s)) return s;
  return firstToUpper(
    joinWithSpace(replaceElementsUsingMap(splitCamelCase(s), humanizeFormLabel_replacements)).replace("I D", "ID")
  );
}
static JTextField jtextfield() {
  return jTextField();
}

static JTextField jtextfield(String text) {
  return jTextField(text);
}

static JTextField jtextfield(Object o) {
  return jTextField(o);
}

static int showForm_defaultGap = 4;
static int showForm_gapBetweenColumns = 10;

static JPanel showFormTitled(final String title, final Object... _parts) {
  JDesktopPane desktop = mainDesktopPane();
  if (desktop != null) return showInternalFrameFormTitled(desktop, title, _parts);
  return swing(new F0<JPanel>() { public JPanel get() { try { 
    final Var<JFrame> frame = new Var();
    JPanel panel = showForm_makePanel(false, _parts);
    frame.set(showForm_makeFrame(title, panel));
    return panel;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "final new Var<JFrame> frame;\r\n    JPanel panel = showForm_makePanel(false, _p..."; }});
}

static JPanel showForm_makePanel(Boolean internalFrame, Object... _parts) {
  List<JComponent> out = showForm_arrange1(showForm_makeComponents(internalFrame, _parts));
  return vstackWithSpacing(out, showForm_defaultGap);
}
static String stringOptPar(Object[] params, String name) {
  return (String) optPar(params, name);
}
static String gtt(JTextComponent c) {
  return getTextTrim(c);
}

static String gtt(JComboBox cb) {
  return getTextTrim(cb);
}
static <A extends JComponent> A toolTip(A c, final Object toolTip) {
  return setToolTipText(c, toolTip);
}



static <A extends JComponent> A toolTip(Object toolTip, A c) {
  return setToolTipText(toolTip, c);
}
// menuParams: text, Runnable, ...
// also: position := 'left/'center/'right
static JButton jPopDownButton(String text, final Object... menuParams) {
  return jbutton((empty(text) ? "" : text + " ") + unicode_downPointingTriangle(), new Runnable() {  public void run() { try { 
    JPopupMenu menu = new JPopupMenu();
    int emptyCount = menu.getComponentCount();
    String position =  (String) (optPar_ignoreOddLength("position",menuParams)); // TODO: this fails when you include a separator without a following null
    fillJPopupMenu(menu, paramsWithout(menuParams, "position"));
    if (menu.getComponentCount() != emptyCount) {
      JButton btn = heldInstance(JButton.class);
      int x = 0;
      if (eq(position, "center")) x = (btn.getWidth()-getPreferredWidth(menu))/2;
      else if (eq(position, "right")) x = btn.getWidth()-getPreferredWidth(menu);
      menu.show(btn, x, btn.getHeight());
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "new JPopupMenu menu;\r\n    int emptyCount = menu.getComponentCount();\r\n    Str..."; }});
}
static void inputText(final String msg, final Object action) {
  inputText(msg, "", action);
}

// action: voidfunc(S)
static void inputText(final String msg, final String defaultText, final Object action) {
  final Object threadInfo = _threadInfo();
  swingLater(new Runnable() {  public void run() { try { 
    final JTextField tf = jtextfield(defaultText);
    String title = joinStrings(" | ", msg, programName());
    JComponent form = showFormTitled(title,
      unnull(msg), tf,
      new Runnable() {  public void run() { try { 
        vmBus_send("inputtingText_OK", threadInfo, msg, tf);
        callF_thread(action, getTextTrim(tf))
      ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "vmBus_send(\"inputtingText_OK\", threadInfo, msg, tf);\r\n        callF_thread(ac..."; }});
    renameSubmitButton(form, "OK");
    vmBus_send("inputtingText", threadInfo, msg, tf);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "final JTextField tf = jtextfield(defaultText);\r\n    String title = joinString..."; }});
}

static void inputText(String msg, String defaultText, IVF1<String> action) {
  inputText(msg, defaultText, (Object) action);
}

static void inputText(String msg, IVF1<String> action) {
  inputText(msg, (Object) action);
}
static String dm_moduleName() {
  return dm_moduleName(assertNotNull(dm_current_generic()));
}

static String dm_moduleName(Object module) {
  return (String) callOpt(dm_getStem(module), "moduleName");
}
static File dm_structureExportDefaultFile(DynModule mod) {
  return javaxBackupDir("module-" + shortClassName(mod) + "-" + ymdMinusHms() + ".txt");
}
static File saveTextFileWithInfoBox(File f, String text) {
  saveTextFile(f, text);
  fileSavedInfoBox(f);
  return f;
}
static String javaTokWordWrap(String s) {
  return javaTokWordWrap(120, s);
}

// TODO: complete trimming
static String javaTokWordWrap(int cols, String s) {
  int col = 0;
  List<String> tok = javaTok(s);
  for (int i = 0; i < l(tok); i++) {
    String t = tok.get(i);
    if (odd(i) && col >= cols && !containsNewLine(t))
      tok.set(i, t = rtrimSpaces(t) + "\n");
    int idx = t.lastIndexOf('\n');
    if (idx >= 0) col = l(t)-(idx+1);
    else col += l(t);
  }
  return join(tok);
}
static String dm_freshModuleStructureWithoutError(Object module) {
  dm_clearError(module);
  return dm_freshModuleStructure(module);
}
static File showFileChooserWithDefaultDir(String title, File defaultDir) {
  JFileChooser fc = new JFileChooser();
  fc.setDialogTitle(title);
  fc.setCurrentDirectory(defaultDir);
  return execFileChooser(fc);
}
static File javaxBackupDir_dir; // can be set to work on different base dir

static File javaxBackupDir() {
  return javaxBackupDir_dir != null ? javaxBackupDir_dir : new File(userHome(), "JavaX-Backup");
}

static File javaxBackupDir(String sub) {
  return newFile(javaxBackupDir(), sub);
}
static JWindow infoBox(String text) {
  return infoMessage(text);
}

static JWindow infoBox(String text, double seconds) {
  return infoMessage(text, seconds);
}

static JWindow infoBox(Throwable e) {
  return infoMessage(e);
}
static void dm_replaceModuleWithStructure(Object mod, String struct) {
  setAll(dm_getStem(mod),
    "contentsDirty" , false,
    "oStruct" , struct);
  dm_reloadModule(mod);
}
static void dm_reloadMe() {
  dm_reloadModule(dm_currentModule());
}
static JPanel jpanel(LayoutManager layout) {
  return swingNu(JPanel.class, layout);
}

static JPanel jpanel() {
  return swingNu(JPanel.class);
}
static JScrollPane setScrollPaneBackground(Color c, JScrollPane sp) {
  if (sp != null && c != null) { swing(new Runnable() {  public void run() { try {  sp.getViewport().setBackground(c); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "sp.getViewport().setBackground(c);"; }}); }
  return sp;
}
static JScrollPane jscroll(final Component c) {
  return swing(new F0<JScrollPane>() { public JScrollPane get() { try {  return new JScrollPane(c);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret new JScrollPane(c);"; }});
}
static <A extends JComponent> A withTypeWriterFont(A c) {
  return setFont(c, typeWriterFont());
}
static <A> A swingNu(final Class<A> c, final Object... args) {
  return swingConstruct(c, args);
}


static ThreadLocal<MouseEvent> componentPopupMenu_mouseEvent;

static void componentPopupMenu_init() {
  { swing(new Runnable() {  public void run() { try { 
    if (componentPopupMenu_mouseEvent == null)
      componentPopupMenu_mouseEvent = (ThreadLocal<MouseEvent>) vm_generalMap_get("mouseEvent");
    if (componentPopupMenu_mouseEvent == null)
      vm_generalMap_put("componentPopupMenu_mouseEvent" , componentPopupMenu_mouseEvent = new ThreadLocal());
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (componentPopupMenu_mouseEvent == null)\r\n      componentPopupMenu_mouseEve..."; }}); }
}

// menuMaker = voidfunc(JPopupMenu)
static void componentPopupMenu(final JComponent component, final Object menuMaker) {
  if (component == null || menuMaker == null) return;
  { swing(new Runnable() {  public void run() { try { 
    Object adapter = componentPopupMenu_initForComponent(component);
    ((List) _get(adapter, "maker")).add(menuMaker);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "Object adapter = componentPopupMenu_initForComponent(component);\r\n    ((List)..."; }}); }
}

static Object componentPopupMenu_initForComponent(final JComponent component) {
  return component == null ? null : swing(new F0<Object>() { public Object get() { try { 
    componentPopupMenu_init();
    Object adapter = findComponentPopupMenuListener_gen(component);
    if (adapter == null) {
      componentPopupMenu_Adapter a = new componentPopupMenu_Adapter();
      component.addMouseListener(a);
      adapter = a;
    }
    return adapter;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "componentPopupMenu_init();\r\n    O adapter = findComponentPopupMenuListener_ge..."; }});
}

static class componentPopupMenu_Adapter extends MouseAdapter {
  List maker = new ArrayList();
  boolean internalFrameLeftButtonMagic = false;
  
  Point pressedAt;

  public void mousePressed(MouseEvent e) {
    displayMenu(e);
    pressedAt = internalFrameLeftButtonMagic && e.getClickCount() == 1 && internalFrameActive(e.getComponent()) ? e.getLocationOnScreen() : null;
  }
  
  public void mouseReleased(MouseEvent e) {
    // TODO: show a little less often on left mouse click
    if (internalFrameLeftButtonMagic && eq(pressedAt, e.getLocationOnScreen()))
      displayMenu2(e);
    else
      displayMenu(e);
  }

  void displayMenu(MouseEvent e) {
    if (e.getSource() instanceof JInternalFrame) return;
    if (e.isPopupTrigger()) displayMenu2(e);
  }
    
  void displayMenu2(MouseEvent e) {
    JPopupMenu menu = new JPopupMenu();
    int emptyCount = menu.getComponentCount();
    
     AutoCloseable __1 = tempSetTL(componentPopupMenu_mouseEvent, e); try {
    for (Object menuMaker : maker)
      pcallF(menuMaker, menu);
      
    vmBus_send("showingPopupMenu", e.getComponent(), menu);
    
    // show menu if any items in it
    if (menu.getComponentCount() != emptyCount)
      menu.show(e.getComponent(), e.getX(), e.getY());
  } finally { _close(__1); }}
}


static void addMenuItem(JPopupMenu menu, String text, Object action) {
  menu.add(jmenuItem(text, action));
}

static void addMenuItem(JPopupMenu menu, JMenuItem menuItem) {
  menu.add(menuItem);
}

static void addMenuItem(JMenu menu, String text, Object action) {
  menu.add(jmenuItem(text, action));
}

static void addMenuItem(Menu menu, String text, Object action) {
  menu.add(menuItem(text, action));
}

static void addMenuItem(JMenu menu, JMenuItem menuItem) {
  menu.add(menuItem);
}

static void clearStringBuffer_gen(Object buf) {
  if (buf != null) {
    call(buf, "setLength", 0);
    call(buf, "trimToSize");
  }
}
static void swingEvery(JComponent component, long delay, Object r) {
  installTimer(component, delay, r);
}

static void swingEvery(JComponent component, long delay, long firstDelay, Object r) {
  installTimer(component, r, delay, firstDelay);
}

static void swingEvery(RootPaneContainer frame, long delay, Object r) {
  installTimer(frame, delay, r);
}

static void swingEvery(RootPaneContainer frame, long delay, long firstDelay, Object r) {
  installTimer(frame, delay, firstDelay, r);
}
static long toMS(double seconds) {
  return (long) (seconds*1000);
}
static void swingAndWait(Runnable r) { try {
  if (isAWTThread())
    r.run();
  else
    EventQueue.invokeAndWait(addThreadInfoToRunnable(r));
} catch (Exception __e) { throw rethrow(__e); } }

static Object swingAndWait(final Object f) {
  if (isAWTThread())
    return callF(f);
  else {
    final Var result = new Var();
    swingAndWait(new Runnable() {  public void run() { try { 
      result.set(callF(f));
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "result.set(callF(f));"; }});
    return result.get();
  }
}
static void swingLater(long delay, final Object r) {
  javax.swing.Timer timer = new javax.swing.Timer(toInt(delay), actionListener(wrapAsActivity(r)));
  timer.setRepeats(false);
  timer.start();
}

static void swingLater(Object r) {
  SwingUtilities.invokeLater(toRunnable(r));
}





// first delay = delay
static Timer installTimer(JComponent component, Object r, long delay) {
  return installTimer(component, r, delay, delay);
}

// first delay = delay
static Timer installTimer(RootPaneContainer frame, long delay, Object r) {
  return installTimer(frame.getRootPane(), r, delay, delay);
}

// first delay = delay
static Timer installTimer(JComponent component, long delay, Object r) {
  return installTimer(component, r, delay, delay);
}

static Timer installTimer(JComponent component, long delay, long firstDelay, Object r) {
  return installTimer(component, r, delay, firstDelay);
}

static Timer installTimer(final JComponent component, final Object r, final long delay, final long firstDelay) {
  return installTimer(component, r, delay, firstDelay, true);
}

static Timer installTimer(final JComponent component, final Object r, final long delay, final long firstDelay, final boolean repeats) {
  if (component == null) return null;
  return (Timer) swingAndWait(new F0<Object>() { public Object get() { try { 
    final Var<Timer> timer = new Var();
    timer.set(new Timer(toInt(delay), new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) { try {
       AutoCloseable __1 = tempActivity(r); try {
      try {
        if (!allPaused())
          if (isFalse(callF(r)))
            cancelTimer(timer.get());
      } catch (Throwable __e) { _handleException(__e); }
    } finally { _close(__1); }} catch (Throwable __e) { messageBox(__e); }}}));
    timer.get().setInitialDelay(toInt(firstDelay));
    timer.get().setRepeats(repeats);
    bindTimerToComponent(timer.get(), component);
    return timer.get();
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "final new Var<Timer> timer;\r\n    timer.set(new Timer(toInt(delay), actionList..."; }});
}

static Timer installTimer(RootPaneContainer frame, long delay, long firstDelay, Object r) {
  return installTimer(frame.getRootPane(), delay, firstDelay, r);
}

static StringBuffer liveLocalPrintLog() {
  return local_log;
}
static Object swingCall(final Object o, final String method, final Object... args) {
  return swing(new F0<Object>() { public Object get() { try {  return call(o, method, args);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret call(o, method, args);"; }});
}
static Font getFont(JComponent c) {
  return c == null ? null : swing(new F0<Font>() { public Font get() { try {  return c.getFont();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret c.getFont();"; }});
}
static int toInt_checked(long l) {
  if (l != (int) l) throw fail("Too large for int: " + l);
  return (int) l;
}
static String strUnnull(Object o) {
  return o == null ? "" : str(o);
}
static String jlabel_textAsHTML_center_ifNeeded(String text) {
  if (swic(text, "<html>") && ewic(text, "</html>")) return text;
  if (!containsNewLines(text)) return text;
  return jlabel_textAsHTML_center(text);
}
static <A> List<A> asSynchroList(Iterable<A> l) {
  return syncList(cloneList(l));
}

static boolean isEditableComboBox(final JComboBox cb) {
  return cb != null && swing(new F0<Boolean>() { public Boolean get() { try {  return cb.isEditable();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret cb.isEditable();"; }});
}
static void raiseFlagAndDo(Flag flag, Runnable r) {
  if (flag.raise()) callF(r);
}
static void _handleException_addHandler(Object handler) {
  addIfNotThere(_handleException_onException, handler);
}
static <A> A assertNull(A a) {
  assertTrue(a == null);
  return a;
}

static <A> A assertNull(String msg, A a) {
  assertTrue(msg, a == null);
  return a;
}
static JInternalFrame getInternalFrame(final Object _o) {
  return _o == null ? null : swing(new F0<JInternalFrame>() { public JInternalFrame get() { try { 
    Object o = _o;
    if (o instanceof ButtonGroup) o = first(buttonsInGroup((ButtonGroup) o));
    if (!(o instanceof Component)) return null;
    Component c = (Component) o;
    while (c != null) {
      if (c instanceof JInternalFrame) return (JInternalFrame) c;
      c = c.getParent();
    }
    return null;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "O o = _o;\r\n    if (o instanceof ButtonGroup) o = first(buttonsInGroup((Button..."; }});
}
static <A extends Component> A internalFrameTitle(A c, final String title) {
  final JInternalFrame f = getInternalFrame(c);
  if (f != null) { swing(new Runnable() {  public void run() { try { 
    f.setTitle(unnull(title));
    toolTip(getInternalFrameTitlePaneComponent(f), title);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "f.setTitle(unnull(title));\r\n    toolTip(getInternalFrameTitlePaneComponent(f)..."; }}); }
  return c;
}

static <A extends Component> A internalFrameTitle(String title, A c) {
  return internalFrameTitle(c, title);
}

static String internalFrameTitle(Component c) {
  final JInternalFrame f = getInternalFrame(c);
  return f == null ? null : swing(new F0<String>() { public String get() { try {  return f.getTitle();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret f.getTitle();"; }});
}

static <A extends Component> A frameTitle(A c, String title) {
  return setFrameTitle(c, title);
}

static <A extends Component> A frameTitle(String title, A c) {
  return setFrameTitle(c, title);
}

static String frameTitle(Component c) {
  return getFrameTitle(c);
}

static JFrame getFrame(final Object _o) {
  return swing(new F0<JFrame>() { public JFrame get() { try { 
    Object o = _o;
    if (o instanceof ButtonGroup) o = first(buttonsInGroup((ButtonGroup) o));
    if (!(o instanceof Component)) return null;
    Component c = (Component) o;
    while (c != null) {
      if (c instanceof JFrame) return (JFrame) c;
      c = c.getParent();
    }
    return null;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "O o = _o;\r\n    if (o instanceof ButtonGroup) o = first(buttonsInGroup((Button..."; }});
}
static Set<AutoCloseable> _registerAutoCloseable_set = synchroHashSet();

static void _registerAutoCloseable(AutoCloseable c) {
  addIfNotNull(_registerAutoCloseable_set, c);
}

static void cleanMeUp__registerAutoCloseable() {
  closeAutoCloseables(getAndClearList(_registerAutoCloseable_set));
}

  static <A> A callFInRealOrMyMC(Object realm, F0<A> f) {
    return f == null ? null : f.get();
  }



  static <A, B> B callFInRealOrMyMC(Object realm, F1<A, B> f, A a) {
    return f == null ? null : f.get(a);
  }



  static <A, B, C> C callFInRealOrMyMC(Object realm, F2<A, B, C> f, A a, B b) {
    return f == null ? null : f.get(a, b);
  }



  static <A> void callFInRealOrMyMC(Object realm, VF1<A> f, A a) {
    if (f != null) f.get(a);
  }


static Object callFInRealOrMyMC(Object realm, Object f, Object... args) {
  if (f instanceof String) {
    Class mc = getMainClass(realm);
    if (hasMethod(mc, ((String) f), args))
      return call(mc, ((String) f), args);
  }
  return callF(f, args);
}
static <A> A shallowCloneToClass(Class<A> c, Object o) {
  if (o == null) return null;
  A a = nuInstance(c);
  copyFields(o, a);
  return a;
}
static Method findMethod_precise_onTypes(Object o, String method, Class... argTypes) { try {
  if (o instanceof Class) {
    _MethodCache cache = callOpt_getCache(((Class) o));
    List<Method> methods = cache.cache.get(method);
    Lowest<Method> best = new Lowest();
    if (methods != null) for (Method m : methods) {
      { if (!(isStaticMethod(m))) continue; }
      int score = methodApplicabilityScore_onTypes(m, argTypes);
      if (score < Integer.MAX_VALUE) {
        /*if (preciseCall_debug)
          print("Method score: " + m + " " + score);*/
        best.put(m, score);
      }
    }
    return best.get();
  }
  
  if (o == null) return null;
  _MethodCache cache = callOpt_getCache(o.getClass());
  List<Method> methods = cache.cache.get(method);
  Lowest<Method> best = new Lowest();
  if (methods != null) for (Method m : methods) {
    int score = methodApplicabilityScore_onTypes(m, argTypes);
    if (score < Integer.MAX_VALUE)
      best.put(m, score);
  }
  return best.get();
} catch (Exception __e) { throw rethrow(__e); } }

static void dm_onTopInput(final VF1<String> r) {
  final DynModule m = dm_current_mandatory();
  dm_ownResource(vmBus_onMessage("topInput", new VF1<String>() { public void get(final String s) { try { 
    m.enter();
    callF(r, s)
  ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "m.enter();\r\n    callF(r, s)"; }}));
}

static void dm_onTopInput(final Runnable r) {
  final DynModule m = dm_current_mandatory();
  dm_ownResource(vmBus_onMessage("topInput", new VF1<String>() { public void get(final String s) { try { 
    m.enter();
    callF(r)
  ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "m.enter();\r\n    callF(r)"; }}));
}
static <A, B> A foldl(F2<A, B, A> f, A seed, Iterable<B> l) {
  A a = seed;
  if (l != null) for(B b : l)
    a = callF(f, a, b);
  return a;
}

static <A, B> A foldl(F2<A, B, A> f, A seed, B[] l) {
  A a = seed;
  if (l != null) for(B b : l)
    a = callF(f, a, b);
  return a;
}

static <A, B> A foldl(Object f, A seed, B[] l) {
  A a = seed;
  if (l != null) for(B b : l)
    a = (A) callF(f, a, b);
  return a;
}
static ChangeListener changeListener(final Object r) {
  return new ChangeListener() {
    public void stateChanged(ChangeEvent e) {
      pcallF(r);
    }
  };
}
static ItemListener itemListener(final Object r) {
  return new ItemListener() {
    public void itemStateChanged(ItemEvent e) {
      pcallF(r);
    }
  };
}
static JTextField textFieldFromComboBox(JComboBox cb) {
  return (JTextField) cb.getEditor().getEditorComponent();
}
static JComboBox onSelectedItem(final JComboBox cb, final VF1<String> f) {
  addActionListener(cb, new Runnable() {  public void run() { try { 
    pcallF(f, selectedItem(cb))
  ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "pcallF(f, selectedItem(cb))"; }});
  return cb;
}
// not a very good one
static boolean instanceOf(Object o, String className) {
  if (o == null) return false;
  String c = o.getClass().getName();
  return eq(c, className) || eq(c, "main$" + className);
}

// better
static boolean instanceOf(Object o, Class c) {
  if (c == null) return false;
  return c.isInstance(o);
}

static boolean instanceOf(Class c, Object o) {
  return instanceOf(o, c);
}
static AbstractAction abstractAction(String name, final Object runnable) {
  return new AbstractAction(name) {
    public void actionPerformed(ActionEvent evt) {
      pcallF(runnable);
    }
  };
}
static void callAction(Action a) {
  if (a != null) a.actionPerformed(null);
}
static Field getField(Object o, String field) {
  if (o == null) return null;
  return setOpt_findField(_getClass(o), field);
}
// menuMaker = voidfunc(JPopupMenu)
static void internalFrameTitlePopupMenu(final JInternalFrame f, final Object... params) {
  { swing(new Runnable() {  public void run() { try { 
    Object menuMaker;
    if (l(params) == 1 && !(params[0] instanceof JMenu))
      menuMaker = params[0];
    else
      menuMaker = new VF1<JPopupMenu>() { public void get(JPopupMenu menu) { try {  addMenuItems(menu, params) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "addMenuItems(menu, params)"; }};
    
    Component titleComponent = getInternalFrameTitlePaneComponent(f);
    if (!(titleComponent instanceof JComponent))
      print("Can't add internal frame title popup menu!");
    else {
      componentPopupMenu((JComponent) titleComponent, menuMaker);
      setOpt(componentPopupMenu_initForComponent((JComponent) titleComponent), "internalFrameLeftButtonMagic" , isTrue(vm_generalMap_get("internalFramePopupOnLeftButton")));
    }
      
    // Also add to the frame so we can show the items e.g. in a JFrame menu
    componentPopupMenu(f, menuMaker);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "Object menuMaker;\r\n    if (l(params) == 1 && !(params[0] instanceof JMenu))\r\n..."; }}); }
}
// r : runnable or voidfunc(bool)
static JCheckBoxMenuItem jCheckBoxMenuItem(String text, boolean checked, final Object r) {
  final JCheckBoxMenuItem mi = new JCheckBoxMenuItem(text, checked);
  addActionListener(mi, new Runnable() {  public void run() { try {  callF(r, isChecked(mi)) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(r, isChecked(mi))"; }});
  return mi;
}
static <A> A _get(List<A> l, int idx) {
  return l != null && idx >= 0 && idx < l(l) ? l.get(idx) : null;
}

static Object _get(Object o, String field) {
  return get(o, field);
}

static Object _get(String field, Object o) {
  return get(o, field);
}
static <A> A _get(A[] l, int idx) {
  return idx >= 0 && idx < l(l) ? l[idx] : null;
}
static void dm_doubleFieldSetterDialog(String field, Object... __) {
  final DynModule m = dm_current_mandatory();
  final String humanized = humanizeFormLabel(field);
  final JTextField tf = jtextfield(get(m, field));
  showFormTitled(or2(stringOptPar(__, "formTitle"), "Set " + humanized),
    humanized + ":", tf, new Runnable() {  public void run() { try { 
      m.setField(field, parseDouble(gtt(tf)));
      callF(optPar(__, "onSet"));
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "m.setField(field, parseDouble(gtt(tf)));\r\n      callF(optPar(__, \"onSet\"));"; }});
}
static F0<AutoCloseable> dm_rEnter(final DynModule mod) {
  return mod == null ? null : new F0<AutoCloseable>() { public AutoCloseable get() { try {  return mod.enter();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret mod.enter();"; }};
}
static Q dm_ownQ(Q q) {
  q.rst.enter = dm_rEnter(dm_current_mandatory()); 
  dm_ownResource(q);
  return q;
}
static Q startQ() {
  return new Q();
}

static Q startQ(String name) {
  return new Q(name);
}
static <A extends JComponent> A setToolTip(A c, Object toolTip) {
  return setToolTipText(c, toolTip);
}

static <A extends JComponent> A setToolTip(Object toolTip, A c) {
  return setToolTipText(c, toolTip);
}

static void setToolTip(TrayIcon trayIcon, String toolTip) {
  setTrayIconToolTip(trayIcon, toolTip);
}
static JLabel jimage(Image img) {
  return jImageLabel(img);
}

static JLabel jimage(String imageID) {
  return jImageLabel(imageID);
}
static <A> Set<A> newWeakHashSet() {
  return synchroWeakHashSet();
}
static void cancelTimers(Collection timers) {
  for (Object timer : timers) cancelTimer(timer);
}
static void cancelThread(Thread t) {
  if (t == null) return;
  ping();
  
  /*O mc = getWeakRef((WeakReference) vm_generalWeakSubMap("thread2mc").get(t));
  ifdef cancelThread_verbose
  print("cancelThread: mc=" + mc);
  endifdef
  if (mc != null) {
    Map ping_actions = cast get(mc, 'ping_actions);
    synchronized(ping_actions) {
      ping_actions.put(t, "cancelled");
      set(mc, ping_anyActions := true);
    }
  } else*/ synchronized(ping_actions) {
    ping_actions.put(t, "cancelled");
    ping_anyActions = true;
  }
  
}


static String mechList_raw_fresh(String name) {
  return mechList_opt_raw_fresh(name);
}
static boolean possibleGlobalID(String s) {
  return l(s) == globalIDLength() && allLowerCaseCharacters(s);
}
static String hfulltag(String tag) {
  return hfulltag(tag, "");
}

static String hfulltag(String tag, Object contents, Object... params) {
  return hopeningTag(tag, params) + str(contents) + "</" + tag + ">";
}

static File loadImageAsFile(String snippetIDOrURL) { try {
  if (isURL(snippetIDOrURL))
    throw fail("not implemented");

  if (!isSnippetID(snippetIDOrURL)) throw fail("Not a URL or snippet ID: " + snippetIDOrURL);
  String snippetID = "" + parseSnippetID(snippetIDOrURL);
  
  File file = imageSnippetCacheFile(snippetID);
  if (fileSize(file) > 0) return file;

  String imageURL = snippetImageURL_noHttps(snippetID);
  System.err.println("Loading image: " + imageURL);
  byte[] data = loadBinaryPage(imageURL);

  saveBinaryFile(file, data);
  return file;
} catch (Exception __e) { throw rethrow(__e); } }

// If you change this, also change DiskSnippetCache_fileToLibID
static File DiskSnippetCache_file(long snippetID) {
  return new File(getGlobalCache(), "data_" + snippetID + ".jar");
}
  
  // Data files are immutable, use centralized cache
public static File DiskSnippetCache_getLibrary(long snippetID) throws IOException {
  File file = DiskSnippetCache_file(snippetID);
  return file.exists() ? file : null;
}

public static void DiskSnippetCache_putLibrary(long snippetID, byte[] data) throws IOException {
  saveBinaryFile(DiskSnippetCache_file(snippetID), data);
}

static byte[] loadDataSnippetImpl(String snippetID) throws IOException {
  byte[] data;
  try {
    URL url = new URL(dataSnippetLink(snippetID));
    print("Loading library: " + hideCredentials(url));
    try {
      data = loadBinaryPage(url.openConnection());
    } catch (RuntimeException e) {
      data = null;
    }
    
    if (data == null || data.length == 0) {
      url = new URL(tb_mainServer() + "/blobs/" + parseSnippetID(snippetID));
      print("Loading library: " + hideCredentials(url));
      data = loadBinaryPage(url.openConnection());
    }
    print("Bytes loaded: " + data.length);
  } catch (FileNotFoundException e) {
    throw new IOException("Binary snippet #" + snippetID + " not found or not public");
  }
  return data;
}
static File loadDataSnippetToFile(String snippetID) { try {
  snippetID = fsI(snippetID);
  
  
  IResourceLoader rl = vm_getResourceLoader();
  if (rl != null)
    return rl.loadLibrary(snippetID);
  
  
  File f = DiskSnippetCache_file(parseSnippetID(snippetID));
  List<URL> urlsTried = new ArrayList();
  List<Throwable> errors = new ArrayList();
  try {
    URL url = addAndReturn(urlsTried, new URL(dataSnippetLink(snippetID)));
    print("Loading library: " + hideCredentials(url));
    try {
      loadBinaryPageToFile(openConnection(url), f);
      if (fileSize(f) == 0) throw fail();
    } catch (Throwable e) {
      errors.add(e);
      url = addAndReturn(urlsTried, new URL(tb_mainServer() + "/blobs/" + psI(snippetID)));
      print(e);
      print("Trying other server: " + hideCredentials(url));
      loadBinaryPageToFile(openConnection(url), f);
      print("Got bytes: " + fileSize(f));
    }
    // TODO: check if we hit the "LOADING" message
    if (fileSize(f) == 0) throw fail();
    System.err.println("Bytes loaded: " + fileSize(f));
  } catch (Throwable e) {
    //printStackTrace(e);
    errors.add(e);
    throw fail("Binary snippet " + snippetID + " not found or not public. URLs tried: " + allToString(urlsTried) + ", errors: " + allToString(errors));
  }
  return f;
} catch (Exception __e) { throw rethrow(__e); } }
static void failIfOddCount(Object... list) {
  if (odd(l(list)))
    throw fail("Odd list size: " + list);
}
static <A extends AutoCloseable> A dm_ownResource(A resource) {
  dm_currentModuleMandatory().ownResource(resource);
  return resource;
}
static <A> AutoCloseable vmBus_onMessage(final String msg, final VF1<A> onMessage) {
  Map<String, Set> map = vm_busListenersByMessage_live();
  synchronized(map) {
    Set listeners = map.get(msg);
    if (listeners == null) map.put(msg, listeners = syncIdentityHashSet());
    // We're technically violating the one-synchronized-object-per-thread rule,
    // but it should be OK here.
    // TODO: remove empty sets from map
    return tempAdd(listeners, new VF2<String, Object>() { public void get(String _msg, Object arg) { try { 
      callF(onMessage, arg)
    ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "callF(onMessage, arg)"; }});
  }
}


static <A, B> AutoCloseable vmBus_onMessage(String msg, final VF2<A, B> onMessage) {
  return vmBus_onMessage(msg, new VF1<Object[]>() { public void get(Object[] o) { try { 
    callF(onMessage, first(o), second(o));
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "callF(onMessage, first(o), second(o));"; }});
}


static <A, B> AutoCloseable vmBus_onMessage(String msg, final IVF2<A, B> onMessage) {
  return vmBus_onMessage(msg, new VF1<Object[]>() { public void get(Object[] o) { try { 
    callF(onMessage, first(o), second(o));
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "callF(onMessage, first(o), second(o));"; }});
}


static <A, B, C> AutoCloseable vmBus_onMessage(String msg, final VF3<A, B, C> onMessage) {
  return vmBus_onMessage(msg, new VF1<Object[]>() { public void get(Object[] o) { try { 
    callF(onMessage, first(o), second(o), third(o));
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "callF(onMessage, first(o), second(o), third(o));"; }});
}




static AutoCloseable vmBus_onMessage(String msg, Runnable onMessage) {
  return vmBus_onMessage(msg, runnableToVF1(onMessage));
}
static <A> VF1<A> ivf1ToVF1(IVF1<A> f) {
  return f == null ? null : new VF1<A>() { public void get(A a) { try {  f.get(a) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "f.get(a)"; }};
}
static <A, B> VF2<A, B> ivf2ToVF2(IVF2<A, B> f) {
  return f == null ? null : new VF2<A, B>() { public void get(A a, B b) { try {  f.get(a, b) ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "f.get(a, b)"; }};
}
static Map defaultSizeMRUCache() {
  return mruCache(defaultStringTransformerCacheSize());
}
static <A, B> B getOrCreate_f0(Map<A, B> map, A key, F0<B> create) {
  B b = map.get(key);
  if (b == null)
    mapPut(map, key, b = callF(create));
  return b;
}

static <A, B> B getOrCreate_f0(Map<A, B> map, A key, IF0<B> create) {
  B b = map.get(key);
  if (b == null)
    mapPut(map, key, b = callF(create));
  return b;
}
static List<String> javaTokNoQuotes(String s) {
  return quotelessJavaTok(s);
}
static String agiBlue_lookupInSlice(String sliceID, String q, String... keys) {
  return first((List<String>) loadJSONPage(printHidingCredentials(agiBlue_linkForPhrase(q, paramsPlus(paramsWithSameKey("get", keys), "slice" , sliceID)))));
}
static ThreadLocal<List<List<String>>> agiBlue_postInSlice_queue = new ThreadLocal();

static String agiBlue_postInSlice(String slice, String a, String b, String c) {
  List<List<String>> queue = agiBlue_postInSlice_queue.get();
  if (queue != null) {
    queue.add(ll(slice, a, b, c));
    return "Queued";
  } else
    return loadPage(agiBlueURL() + "/bot/post" + hquery("slice", slice, "q" , a, "key" , b, "value" , c));
}
static boolean regexpFinds(String pat, String s) {
  return regexp(pat, s).find();
}

static boolean regexpFinds(Pattern pat, String s) {
  return regexp(pat, s).find();
}
static int year() {
  return localYear();
}

static int year(long now) {
  return localYear(now);
}

static int year(long now, TimeZone tz) {
  return parseInt(simpleDateFormat("y", tz).format(now));
}
static String formatInt(int i, int digits) {
  return padLeft(str(i), '0', digits);
}

static String formatInt(long l, int digits) {
  return padLeft(str(l), '0', digits);
}
static int month() {
  return localMonth();
}

static int month(long now) {
  return localMonth(now);
}

static int month(long now, TimeZone tz) {
  return parseInt(simpleDateFormat("M", tz).format(now));
}
static int dayOfMonth() {
  return localDayOfMonth();
}

static int dayOfMonth(long now) {
  return localDayOfMonth(now);
}

static int dayOfMonth(long now, TimeZone tz) {
  return parseInt(simpleDateFormat("d", tz).format(now));
}
static int hashCode(Object a) {
  return a == null ? 0 : a.hashCode();
}
static Set<String> fieldNames(Object o) {
  return allFields(o);
}
static List mapNonNulls(Iterable l, Object f) { return mapNonNulls(f, l); }

static List mapNonNulls(Object f, Iterable l) {
  List x = new ArrayList();
  if (l != null) for (Object o : l)
    addIfNotNull(x, callF(f, o));
  return x;
}

static List mapNonNulls(Object f, Object[] l) {
  List x = new ArrayList();
  if (l != null) for (Object o : l)
    addIfNotNull(x, callF(f, o));
  return x;
}


  static <A, B> List<B> mapNonNulls(Iterable<A> l, F1<A, B> f) { return mapNonNulls(f, l); }

  static <A, B> List<B> mapNonNulls(F1<A, B> f, Iterable<A> l) {
    List x = new ArrayList();
    if (l != null) for (Object o : l)
      addIfNotNull(x, callF(f, o));
    return x;
  }


static <A, B> List<B> mapNonNulls(A[] l, IF1<A, B> f) {
  return mapNonNulls(f, l);
}

static <A, B> List<B> mapNonNulls(Iterable<A> l, IF1<A, B> f) {
  List x = emptyList(l);
  if (l != null) for (A o : l)
    addIfNotNull(x, f.get(o));
  return x;
}

static <A, B> List<B> mapNonNulls(IF1<A, B> f, Iterable<A> l) {
  return mapNonNulls(l, f);
}
static List<String> tok_combineRoundBrackets_keep(List<String> tok) {
  List<String> l = new ArrayList();
  for (int i = 0; i < l(tok); i++) {
    String t = tok.get(i);
    if (odd(i) && eq(t, "(")) {
      int j = findEndOfBracketPart(tok, i);
      l.add(joinSubList(tok, i, j));
      i = j-1;
    } else
      l.add(t);
  }
  return l;
}
static boolean startsWithAndEndsWith(String s, String prefix, String suffix) {
  return startsWith(s, prefix) && endsWith(s, suffix);
}
static List<String> tok_combineCurlyBrackets_keep(List<String> tok) {
  List<String> l = new ArrayList();
  for (int i = 0; i < l(tok); i++) {
    String t = tok.get(i);
    if (odd(i) && eq(t, "{")) {
      int j = findEndOfCurlyBracketPart(tok, i);
      l.add(joinSubList(tok, i, j));
      i = j-1;
    } else
      l.add(t);
  }
  return l;
}
static <A> List<A> dropFirstTwoAndLastTwo(List<A> l) {
  return dropFirstAndLast(2, l);
}
static int numberOfJavaTokens(String s) {
  return l(javaTokC(s));
}
static String roundBracket(String s) {
  return "(" + s + ")";
}
static List<String> javaTokWithAllBrackets(String s) {
  return javaTokPlusBrackets2(s);
}
static Map<String, String> gazelle_zipTwoTokenizationsToMap_keepBrackets(List<String> tokA, List<String> tokB) {
  return ciMapWithoutKeysEqualToValues(zipTwoTokenizationsToCIMap_strict(tokA, tokB));
}
static <A> boolean addMapToMapWithoutOverwritingIC(Map<A, String> map, Map<A, String> adding) {
  if (!canPutAllStrictlyIC(map, adding)) return false;
  { final Map<A, String> __0 = unnull(adding); for (A key : keys( __0)) { String value = __0.get(key); 
    strictPutIC(map, key, value);
  }}
  return true;
}
static String getSlackTS() {
  return (String) callOpt(getMainBot(), "getSlackTS");
}
static Object getBot(String botID) {
  return callOpt(getMainBot(), "getBot", botID);
}

static int getIndent(String s) {
  int n = Integer.MAX_VALUE;
  for (String l : toLines(s))
    n = min(n, getIndentOfLine(l));
  return n;
}

static boolean isSpaceOrTab(char c) {
  return c == ' ' || c == '\t';
}
static boolean isNewLine(char c) {
  return c == '\r' || c == '\n';
}
static String lastJavaToken(String s) {
  return last(javaTokC(s));
}
static Pair<String, String> splitAtDoubleArrow_pair(String s) {
  return splitAtDoubleArrow_pair(javaTokWithBrackets(s));
}

static Pair<String, String> splitAtDoubleArrow_pair(List<String> tok) {
  return listToPair(splitAtDoubleArrow(tok));
}
static String simpleRewriteWithDollarVars(String inPat, String outPat, String s) {
  Map<String, String> map = matchDollarVarsIC_withBrackets(inPat, s);
  return map == null ? null : replaceVars_optRound2(outPat, map);
}
static String curlyBraceOptIfMoreThanOneToken(String s) {
  return !isCurlyBraced(s) && moreThanOneToken(s) ? curlyBrace(s) : s;
}
static String asciiHeading(String title) {
  return "\n" + title + "\n" + rep(l(title), '-');
}
static <A> List<A> collectInstances(Iterable i, Class<A> c) {
  List l = new ArrayList();
  if (i == null) return l;
  c = primitiveToBoxedTypeOpt(c);
  for (Object o : i)
    if (isInstance(c, o))
      l.add(o);
  return l;
}

static <A> List<A> collectInstances(Class<A> c, Iterable i) {
  return collectInstances(i, c);
}
static boolean isImageFile(File f) {
  return isImageFileName(fileName(f));
}
// TODO: clean up these type signatures?

static <A, B, C extends Iterator<B>> IterableIterator<B> nestedIterator(final Iterable<A> c, final F1<A, C> makeInnerIterator) {
  return nestedIterator(iterator(c), makeInnerIterator);
}

static <A, B, C extends Iterator<B>> IterableIterator<B> nestedIterator(Collection<A> c, final IF1<A, C> makeInnerIterator) {
  return nestedIterator(iterator(c), makeInnerIterator);
}

static <A, B, C extends Iterator<B>> IterableIterator<B> nestedIterator(Iterator<A> it1, IF1<A, C> makeInnerIterator) {
  return nestedIterator(it1, toF1(makeInnerIterator));
}

static <A, B, C extends Iterator<B>> IterableIterator<B> nestedIterator(final Iterator<A> it1, final F1<A, C> makeInnerIterator) {
  if (it1 == null || !it1.hasNext()) return emptyIterableIterator();
  return iff(new F0() {
    A a;
    Iterator<B> innerIterator;
    
    { nextOuter(); }
    
    void nextOuter() {
      a = it1.next();
      innerIterator = makeInnerIterator.get(a);
    }
    
    public Object get() {
      while (true) { ping();
        if (innerIterator != null && innerIterator.hasNext())
          return innerIterator.next();
        if (!it1.hasNext()) return endMarker();
        nextOuter();
      }
    }
  });
}

static <A, B, C extends Iterator<B>> IterableIterator<B> nestedIterator(IF1<A, C> makeInnerIterator, Iterator<A> it1) {
  return nestedIterator(it1, makeInnerIterator);
}

static <A, B, C extends Iterator<B>> IterableIterator<B> nestedIterator(IF1<A, C> makeInnerIterator, Collection<A> l) {
  return nestedIterator(l, makeInnerIterator);
}
static class mapI_It extends IterableIterator {
  Object f;
  Iterator i;
  
  mapI_It() {}
  mapI_It(Object f, Iterator i) {
  this.i = i;
  this.f = f;}
  
  public boolean hasNext() {
    return i.hasNext();
  }
  
  public Object next() {
    return callF(f, i.next());
  }
  
  public String toString() {
    return formatFunctionCall("mapI", f, i);
  }
}


// apply a function to an iterator
static IterableIterator mapI(final Object f, final Iterator i) {
  return new mapI_It(f, i);
}


static IterableIterator mapI(IterableIterator i, Object f) {
  return mapI((Iterator) i, f);
}

static IterableIterator mapI(Object f, IterableIterator i) {
  return mapI((Iterator) i, f);
}


static IterableIterator mapI(Iterator i, Object f) {
  return mapI(f, i);
}

static <A, B> IterableIterator<B> mapI(Iterable<A> i, IF1<A, B> f) {
  return mapI(i, (Object) f);
}

static <A, B> IterableIterator<B> mapI(Iterator<A> i, IF1<A, B> f) {
  return mapI(f, i);
}

static <A, B> IterableIterator<B> mapI(IterableIterator<A> i, IF1<A, B> f) {
  return mapI((Iterator<A>) i, f);
}

static <A, B> IterableIterator<B> mapI(IF1<A, B> f, Iterable<A> i) {
  return mapI(i, (Object) f);
}

static IterableIterator mapI(Iterable i, Object f) {
  return mapI(f, i.iterator());
}

static IterableIterator mapI(Object f, Iterable i) {
  return mapI(i, f);
}

static String curlyBrace(String s) {
  return "{" + s + "}";
}
static <A, B> A reverseLookup(B value, Map<A, B> map) {
  return reverseLookup(map, value);
}

static <A, B> A reverseLookup(Map<A, B> map, B value) {
  if (map != null && value != null) for (A key : map.keySet())
    if (eq(map.get(key), value))
      return key;
  return null;
}
static Container getPIFrame(Component c) {
  return (Container) getPossiblyInternalFrame(c);
}
static <A extends Component> A setSize(final A c, final int w, final int h) {
  if (c != null) { swing(new Runnable() {  public void run() { try {  c.setSize(w, h); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "c.setSize(w, h);"; }}); }
  return c;
}

static void setSize(Component c, Dimension d) {
  setSize(c, d.width, d.height);
}
static String assertIPv4(String s) {
  assertTrue(s, isIPv4(s));
  return s;
}
static Matcher regexp(String pat, String s) {
  return regexp(compileRegexp(pat), unnull(s));
}

static Matcher regexp(java.util.regex.Pattern pat, String s) {
  return pat.matcher(unnull(s));
}

static java.util.regex.Pattern regexp(String pat) {
  return compileRegexp(pat);
}
static Object dm_mod(Object moduleOrID) {
  return dm_getModule(moduleOrID);
}
static boolean shortClassNameIs(Object o, String name) {
  return eq(shortClassName(o), name);
}

static boolean shortClassNameIs(String name, Object o) {
  return shortClassNameIs(o, name);
}
static ThreadLocal<List<Object>> holdInstance_l = new ThreadLocal();

static AutoCloseable holdInstance(Object o) {
  if (o == null) return null;
  listThreadLocalAdd(holdInstance_l, o);
  return new AutoCloseable() {
    public void close() {
      listThreadLocalPopLast(holdInstance_l);
    }
  };
}
static void messageBox(final String msg) {
  if (headless()) print(msg);
  else { swing(new Runnable() {  public void run() { try { 
    JOptionPane.showMessageDialog(null, msg, "JavaX", JOptionPane.INFORMATION_MESSAGE);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "JOptionPane.showMessageDialog(null, msg, \"JavaX\", JOptionPane.INFORMATION_MES..."; }}); }
}

static void messageBox(Throwable e) {
  //showConsole();
  printStackTrace(e);
  messageBox(hideCredentials(innerException2(e)));
}
static boolean containsSpace(String s) {
  return containsSpaces(s);
}
static String firstToUpper(String s) {
  if (empty(s)) return s;
  return Character.toUpperCase(s.charAt(0)) + s.substring(1);
}
static <A> List<A> replaceElementsUsingMap(Iterable<A> l, final Map<A, A> map) {
  return map(l, new F1<A, A>() { public A get(A a) { try {  return getOrKeep(map, a);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "getOrKeep(map, a)"; }});
}
static List<String> splitCamelCase(String s) {
  return ai_splitCamelCase(s);
}
static JTextField jTextField() {
  return jTextField("");
}

static JTextField jTextField(final String text) {
  return swing(new F0<JTextField>() { public JTextField get() { try { 
    JTextField tf = new JTextField(unnull(text));
    standardTextFieldPopupMenu(tf);
    jenableUndoRedo(tf);
    tf.selectAll();
    return tf;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JTextField tf = new JTextField(unnull(text));\r\n    standardTextFieldPopupMenu..."; }});
}

static JTextField jTextField(Object o) {
  return jTextField(strOrEmpty(o));
}

static JPanel showInternalFrameFormTitled(final JDesktopPane desktop, final String title, final Object... _parts) {
  JPanel panel = showForm_makePanel(true, _parts);
  showForm_makeInternalFrame(desktop, title, panel);
  return panel;
}
static JFrame showForm_makeFrame(String title, JPanel panel) {
  return handleEscapeKey(minFrameWidth(showPackedFrame(title, withMargin(panel)), 400));
}
static List<JComponent> showForm_arrange1(List<List<JComponent>> l) {
  int minW = showForm_leftWidth(l);

  List<JComponent> out = new ArrayList();
  for (List<JComponent> row : l)
    out.add(westAndCenter(withRightMargin(showForm_gapBetweenColumns, jMinWidth(minW, first(row))), second(row)));
  return out;
}
static List<List<JComponent>> showForm_makeComponents(final Boolean internalFrame, Object... _parts) {
  List<List<JComponent>> l = new ArrayList();
  List parts = asList(_parts);
  JButton submitButton = null;
  for (int i = 0; i < l(parts); i++) {
    final Object o = parts.get(i), next = get(parts, i+1);
    if (o instanceof String && next instanceof Component)
      setComponentID((Component) next, (String) o);
    
    if (o instanceof Component || o instanceof String || next instanceof Component) { // smartAdd accepts strings
      l.add(mapLL("wrapForSmartAdd",
          o == null ? new JPanel()
        : o instanceof String ? humanizeFormLabel((String) o)
        : o, next));
      if (next instanceof JButton && submitButton == null)
        submitButton = (JButton) next;
      i++;
    } else if (isRunnable(o))
      l.add(mapLL("wrapForSmartAdd",null, submitButton = jbutton(showFormSubmitButtonName(), new Runnable() {  public void run() { try { 
        Object result = call(o);
        if (neq(Boolean.FALSE, result)) {
          if (isTrue(internalFrame))
            disposeInternalFrame(heldInstance(JButton.class));
          else if (isFalse(internalFrame))
            disposeFrame(heldInstance(JButton.class));
        }
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "Object result = call(o);\r\n        if (neq(Boolean.FALSE, result)) {\r\n        ..."; }})));
    else print("showForm: Unknown element type: " + getClassName(o));
  }
  if (submitButton != null) {
    final JButton _submitButton = submitButton;
    onEnterInAllTextFields(concatLists(l), new Runnable() {  public void run() { try {  clickButton(_submitButton) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "clickButton(_submitButton)"; }});
  }
  
  // massage labels
  for (List<JComponent> row : l) {
    JComponent left = first(row);
    if (left instanceof JLabel) makeBold((JLabel) left).setVerticalAlignment(JLabel.TOP);
  }
  
  return l;
}
static int vstackWithSpacing_default = 10;

static JPanel vstackWithSpacing(final List parts) {
  return vstackWithSpacing(parts, vstackWithSpacing_default);
}

static JPanel vstackWithSpacing(final List parts, final int spacing) {
  return swing(new F0<JPanel>() { public JPanel get() { try { 
    JPanel panel = new JPanel(new GridBagLayout());
    GridBagConstraints gbc = new GridBagConstraints();
    gbc.weightx = 1;
    gbc.fill = GridBagConstraints.HORIZONTAL;
    gbc.gridwidth = GridBagConstraints.REMAINDER;
    gbc.insets = new Insets(spacing/2, 0, spacing/2, 0); // well...
    smartAddWithLayout(panel, gbc, toObjectArray(nonNulls(parts)));
    //gbc = (GridBagConstraints) gbc.clone();
    //gbc.fill = GridBagConstraints.BOTH;
    gbc.weighty = 1;
    gbc.insets = new Insets(0, 0, 0, 0);
    panel.add(jrigid(), gbc);
    return panel;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JPanel panel = new JPanel(new GridBagLayout);\r\n    new GridBagConstraints gbc..."; }});
}

static JPanel vstackWithSpacing(Component... parts) {
  return vstackWithSpacing(asList(parts), vstackWithSpacing_default);
}

static JPanel vstackWithSpacing(int spacing, Component... parts) {
  return vstackWithSpacing(asList(parts), spacing);
}
static String getTextTrim(JTextComponent c) {
  return trim(getText(c));
}

// tested for editable combo box - returns the contents of text field
static String getTextTrim(JComboBox cb) {
  return trim(getText(cb));
}

static String getTextTrim(JComponent c) {
  if (c instanceof JLabel) return trim(((JLabel) c).getText());
  if (c instanceof JComboBox) return getTextTrim((JComboBox) c);
  return getTextTrim((JTextComponent) c);
}
static <A extends JComponent> A setToolTipText(final A c, final Object toolTip) {
  if (c == null) return null;
  { swing(new Runnable() {  public void run() { try { 
    String s = nullIfEmpty(str(toolTip));
    if (neq(s, c.getToolTipText()))
      c.setToolTipText(s);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "String s = nullIfEmpty(str(toolTip));\r\n    if (neq(s, c.getToolTipText()))\r\n ..."; }}); }
  return c;
}

static <A extends JComponent> A setToolTipText(Object toolTip, A c) {
  return setToolTipText(c, toolTip);
}
static JButton jbutton(String text, Object action) {
  return newButton(text, action);
}

// button without action
static JButton jbutton(String text) {
  return newButton(text, null);
}

/*static JButton jbutton(BufferedImage img, O action) {
  ret setButtonImage(img, jbutton("", action));
}*/

static JButton jbutton(Action action) {
  return swingNu(JButton.class, action);
}
static String unicode_downPointingTriangle() {
  return charToString(0x25BC);
}
// now also takes a map as single array entry
static <A> A optPar_ignoreOddLength(Object[] opt, String name, A defaultValue) {
  int n = l(opt);
  if (n == 1 && opt[0] instanceof Map) {
    Map map =  (Map) (opt[0]);
    return map.containsKey(name) ? (A) map.get(name) : defaultValue;
  }
  for (int i = 0; i+1 < l(opt); i += 2)
    if (eq(opt[i], name))
      return (A) opt[i+1];
  return defaultValue;
}

static Object optPar_ignoreOddLength(Object[] opt, String name) {
  return optPar_ignoreOddLength(opt, name, null);
}

static Object optPar_ignoreOddLength(String name, Object[] params) {
  return optPar_ignoreOddLength(params, name);
}
static void fillJPopupMenu(JPopupMenu m, Object... x) {
  if (x == null) return;
  for (int i = 0; i < l(x); i++) {
    Object o = x[i], y = get(x, i+1);
    
    if (o instanceof IVF1)
      callF(o, m);
    else if (o instanceof List)
      fillJPopupMenu(m, asArray((List) o));
    else if (isMenuSeparatorIndicator(o))
      m.addSeparator();
    
    else if (o instanceof LiveValue && ((LiveValue) o).getType() == String.class && isRunnableX(y)) {
      final LiveValue<String> lv =  (LiveValue<String>) o;
      final JMenuItem mi = jmenuItem("", y);
      bindLiveValueListenerToComponent(mi, lv, new Runnable() {  public void run() { try { 
        String s = lv.get();
        if (isCurlyBracketed(s)) {
          setEnabled(mi, false);
          s = unCurlyBracket(s);
        } else
          setEnabled(mi, true);
        setText(mi, s);
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "String s = lv.get();\r\n        if (isCurlyBracketed(s)) {\r\n          setEnable..."; }});
      m.add(mi);
    }
    
    else if (o instanceof String && isRunnableX(y)) {
      m.add(jmenuItem((String) o, y));
      ++i;
    } else if (o instanceof JMenuItem)
      m.add((JMenuItem) o); // "call" might use wrong method
    else if (o instanceof String || o instanceof Action || o instanceof Component)
      call(m, "add", o);
    else if (o != null)
      print("Unknown menu item: " + o);
  }
}
static Object[] paramsWithout(Object[] a1, Object... keys) {
  if (l(a1) == 1 && a1[0] instanceof Map)
    return new Object[] { mapMinus((Map) a1[0], keys) };
    
  Set set = lithashset(keys);
  List l = new ArrayList();
  int n = l(a1);
  for (int i = 0; i < n; i += 2)
    if (i == n-1) l.add(a1[i]);
    else if (!set.contains(a1[i])) {
      l.add(a1[i]);
      l.add(a1[i+1]);
    }
  return toObjectArray(l);
}
static <A> A heldInstance(Class<A> c) {
  List<Object> l = holdInstance_l.get();
  for (int i = l(l)-1; i >= 0; i--) {
    Object o = l.get(i);
    if (isInstanceOf(o, c))
      return (A) o;
  }
  throw fail("No instance of " + className(c) + " held");
}
static int getPreferredWidth(Component c) {
  return preferredWidth(c);
}
static String programName() {
  return getProgramName();
}
static void callF_thread(final Object f, final Object... args) {
  if (f != null) { startThread(new Runnable() {  public void run() { try {  callF(f, args); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "callF(f, args);"; }}); }
}
static <A extends JComponent> A renameSubmitButton(A form, String newName) {
  renameButton(form, showFormSubmitButtonName(), newName);
  return form;
}

static <A extends JComponent> A renameSubmitButton(String newName, A form) {
  return renameSubmitButton(form, newName);
}
static String ymdMinusHms() {
  return ymd_minus_hms();
}
static void fileSavedInfoBox(File f) {
  infoBox("Saved " + fileInfo(f));
}
public static String rtrimSpaces(String s) {
  if (s == null) return null;
  int i = s.length();
  while (i > 0 && " \t".indexOf(s.charAt(i-1)) >= 0)
    --i;
  return i < s.length() ? s.substring(0, i) : s;
}
static void dm_clearError(Object mod) {
  dm_rcall("clearError",mod);
}
static String dm_freshModuleStructure(Object module) {
  dm_persistModule(module);
  return dm_getStructure(module);
}

static String dm_freshModuleStructure() {
  return dm_freshModuleStructure(dm_current_generic());
}
static File execFileChooser(JFileChooser fileChooser) {
  return fileChooser.showOpenDialog(null) == JFileChooser.APPROVE_OPTION
    ? fileChooser.getSelectedFile() : null;
}
static boolean infoMessage_alwaysOnTop = true;
static double infoMessage_defaultTime = 5.0;

// automatically switches to AWT thread for you
static JWindow infoMessage(String text) {
  return infoMessage(text, infoMessage_defaultTime);
}

static JWindow infoMessage(final String text, final double seconds) {
  printHidingCredentials(text);
  return infoMessage_noprint(text, seconds);
}

static JWindow infoMessage_noprint(String text) {
  return infoMessage_noprint(text, infoMessage_defaultTime);
}

static JWindow infoMessage_noprint(final String _text, final double seconds) {
  final String text = hideCredentials(_text);
  if (empty(text)) return null;
  logQuotedWithDate(infoBoxesLogFile(), text); 
  if (isHeadless()) return null;
  return (JWindow) swingAndWait(new F0<Object>() { public Object get() { try { 
    final JWindow window = showWindow(infoMessage_makePanel(text));
    window.setSize(300, 150);
    moveToTopRightCorner(window);
    if (infoMessage_alwaysOnTop)
      window.setAlwaysOnTop(true);
    if (vmBus_noObjections("shouldShowInfoBox",window, text))
      window.setVisible(true);
    if (seconds != 0)
      disposeWindowAfter(iround(seconds*1000), window);
    return window;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "final JWindow window = showWindow(infoMessage_makePanel(text));\r\n    window.s..."; }});
}

static JWindow infoMessage(Throwable e) {
  //showConsole();
  printStackTrace(e);
  return infoMessage(exceptionToStringShort(e));
}
static <A extends JComponent> A setFont(final Font font, final A a) {
  if (a != null) { swing(new Runnable() {  public void run() { try {  a.setFont(font); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "a.setFont(font);"; }}); }
  return a;
}

static <A extends JComponent> A setFont(A a, Font font) {
  return setFont(font, a);
}

static <A extends JComponent> A setFont(final String fontID, float fontSize, final A a) {
  return setFont(loadFont_cached(fontID, fontSize), a);
}
static Font typeWriterFont() {
  return typeWriterFont(iround(14*getSwingFontScale()));
}
  
static Font typeWriterFont(int size) {
  return new Font("Courier", Font.PLAIN, size);
}
static <A> A swingConstruct(final Class<A> c, final Object... args) {
  return swing(new F0<A>() { public A get() { try {  return nuObject(c, args);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret nuObject(c, args);"; }});
}
static Object findComponentPopupMenuListener_gen(final JComponent c) {
  return c == null ? null : swing(new F0<Object>() { public Object get() { try { 
    return firstWithClassShortNamed("componentPopupMenu_Adapter", c.getMouseListeners());
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret firstWithClassShortNamed('componentPopupMenu_Adapter, c.getMouseListeners..."; }});
}
static boolean internalFrameActive(Component c) {
  final JInternalFrame f = getInternalFrame(c);
  return f != null && swing(new F0<Boolean>() { public Boolean get() { try {  return f.isSelected();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret f.isSelected();"; }});
}
static boolean jmenuItem_newThreads = false;

static JMenuItem jmenuItem(final String text) {
  return jMenuItem(text, null);
}

static JMenuItem jmenuItem(final String text, final Object r) {
  return swing(new F0<JMenuItem>() { public JMenuItem get() { try { 
    Pair<String, Integer> p = jmenu_autoMnemonic(dropPrefix("[disabled] ", text));
    JMenuItem mi = new JMenuItem(p.a);
    if (startsWith(text, "[disabled] ")) disableMenuItem(mi);
    if (p.b != 0) mi.setMnemonic(p.b);
    mi.addActionListener(jmenuItem_newThreads
      ? actionListenerInNewThread(r)
      : actionListener(r));
    return mi;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "Pair<S, Int> p = jmenu_autoMnemonic(dropPrefix(\"[disabled] \", text));\r\n    JM..."; }});
}
static MenuItem menuItem(String text, final Object r) {
  MenuItem mi = new MenuItem(text);
  mi.addActionListener(actionListener(r));
  return mi;
}
static Runnable addThreadInfoToRunnable(final Object r) {
  final Object info = _threadInfo();
  return info == null ? asRunnable(r) : new Runnable() {  public void run() { try {  _inheritThreadInfo(info); callF(r); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "_inheritThreadInfo(info); callF(r);"; }};
}
static ActionListener actionListener(final Object runnable) {
  return actionListener(runnable, null);
}

static ActionListener actionListener(final Object runnable, final Object instanceToHold) {
  if (runnable instanceof ActionListener) return (ActionListener) runnable;
  final Object info = _threadInfo();
  return new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) { try {
    _threadInheritInfo(info);
     AutoCloseable __1 = holdInstance(instanceToHold); try {
    callF(runnable);
  } finally { _close(__1); }} catch (Throwable __e) { messageBox(__e); }}};
}
static AutoCloseable tempActivity(Object r) {
  return null;
}
static boolean allPaused() {
  return ping_pauseAll;
}


static void bindTimerToComponent(final Timer timer, JFrame f) {
  bindTimerToComponent(timer, f.getRootPane());
}

static void bindTimerToComponent(final Timer timer, JComponent c) {
  if (c.isShowing())
    timer.start();
  
  c.addAncestorListener(new AncestorListener() {
    public void ancestorAdded(AncestorEvent event) {
      timer.start();
    }

    public void ancestorRemoved(AncestorEvent event) {
      timer.stop();
    }

    public void ancestorMoved(AncestorEvent event) {
    }
  });
}
static boolean containsNewLines(String s) {
  return containsNewLine(s);
}
static String jlabel_textAsHTML_center(String text) {
  return "<html><div style=\"text-align: center;\">"
    + replace(htmlencode(text), "\n", "<br>")
    + "</div></html>";
}
static List<AbstractButton> buttonsInGroup(ButtonGroup g) {
  if (g == null) return ll();
  return asList(g.getElements());
}
static JComponent getInternalFrameTitlePaneComponent(JInternalFrame f) {
  return (JComponent) childWithClassNameEndingWith(f, "InternalFrameTitlePane");
}

static <A> A setFrameTitle(A c, final String title) {
  final Frame f = getAWTFrame(c);
  if (f != null) { swing(new Runnable() {  public void run() { try {  f.setTitle(title); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "f.setTitle(title);"; }}); }
  return c;
}

static <A extends Component> A setFrameTitle(String title, A c) {
  return setFrameTitle(c, title);
}

// magically find a field called "frame" in main class :-)
static JFrame setFrameTitle(String title) {
  Object f = getOpt(mc(), "frame");
  if (f instanceof JFrame)
    return setFrameTitle((JFrame) f, title);
  return null;
}
static String getFrameTitle(Component c) {
  JFrame f = getFrame(c);
  return f == null ? null : f.getTitle();
}
static void closeAutoCloseables(Collection<AutoCloseable> l) {
  if (l != null) for (AutoCloseable c : l) { try { c.close(); } catch (Throwable __e) { _handleException(__e); }}
}
static boolean hasMethod(Object o, String method, Object... args) {
  return findMethod_cached(o, method, args) != null;
}
static <A> A nuInstance(Class<A> c) {
  return nuEmptyObject(c);
}
static <A> A copyFields(Object x, A y, String... fields) {
  if (empty(fields)) { // assume we should copy all fields
    Map<String, Object> map = objectToMap(x);
    for (String field : map.keySet())
      setOpt(y, field, map.get(field));
  } else 
    for (String field : fields) {
      Object o = getOpt(x, field);
      if (o != null)
        setOpt(y, field, o);
    }
  return y;
}

static <A> A copyFields(Object x, A y, Collection<String> fields) {
  return copyFields(x, y, asStringArray(fields));
}
// return Int.MAX_VALUE if not applicable
// Lower score is better
static int methodApplicabilityScore_onTypes(Method m, Class[] argTypes) {
   Class<?>[] types = m.getParameterTypes();
   if (types.length != argTypes.length) return Integer.MAX_VALUE;
   int score = 0;
   for (int i = 0; i < types.length; i++) {
     Class a = argTypes[i];
     Class c = types[i];
     if (c == a) {} // perfect match
     else if (isSubclassOf(a, c)) ++score;
     else return Integer.MAX_VALUE;
  }
  return score;
}
static void addActionListener(JTextField tf, final Runnable action) {
  onEnter(tf, action);
}

static void addActionListener(final JComboBox cb, final Runnable action) {
  if (cb != null) { swing(new Runnable() {  public void run() { try { 
    cb.addActionListener(actionListener(action));
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "cb.addActionListener(actionListener(action));"; }}); }
}

static void addActionListener(final AbstractButton b, final Runnable action) {
  if (b != null) { swing(new Runnable() {  public void run() { try { 
    b.addActionListener(actionListener(action));
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "b.addActionListener(actionListener(action));"; }}); }
}
static String selectedItem(JList l) {
  return getSelectedItem(l);
}

static String selectedItem(JComboBox cb) {
  return getSelectedItem(cb);
}
static void addMenuItems(JMenu m, Object... x) {
  fillJMenu(m, x);
}

static void addMenuItems(JPopupMenu m, Object... x) {
  fillJPopupMenu(m, x);
}
static boolean isChecked(final JCheckBox checkBox) {
  return checkBox != null && (boolean) swing(new F0<Boolean>() { public Boolean get() { try {  return checkBox.isSelected();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret checkBox.isSelected();"; }});
}

static boolean isChecked(final JCheckBoxMenuItem mi) {
  return mi != null && (boolean) swing(new F0<Boolean>() { public Boolean get() { try {  return mi.isSelected();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret mi.isSelected();"; }});
}
static void setTrayIconToolTip(TrayIcon trayIcon, String toolTip) {
  if (trayIcon != null) trayIcon.setToolTip(toolTip);
}
static JLabel jImageLabel(Image img) {
  return swingNu(JLabel.class, imageIcon(img));
}

static JLabel jImageLabel(javax.swing.Icon icon) {
  return swingNu(JLabel.class, icon);
}

static JLabel jImageLabel(String imageID) {
  return jImageLabel(imageIcon(imageID));
}

static JLabel jImageLabel(String text, String imageID) {
  final JLabel l = swingNu(JLabel.class, text, imageIcon(imageID), JLabel.CENTER);
  { swing(new Runnable() {  public void run() { try { 
    l.setVerticalTextPosition(SwingConstants.BOTTOM);
    l.setHorizontalTextPosition(SwingConstants.CENTER);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "l.setVerticalTextPosition(SwingConstants.BOTTOM);\r\n    l.setHorizontalTextPos..."; }}); }
  return l;
}
static <A> Set<A> synchroWeakHashSet() {
  return Collections.newSetFromMap((Map) newWeakHashMap());
}


static String mechList_opt_raw_fresh(String name) {
  
  
  Object readMode = mechMode().readMode;
  if (readMode instanceof File) {
    String md5Name = uniqueFileNameUsingMD5_80_v2(upper(name));
    return loadTextFileFromZipFile((File) readMode, md5Name);
  }
  

  boolean useLocal = false, useRemote = true;
  if (eq(readMode, "mergeLocalAndRemote"))
    useLocal = true;
  else if (eq(readMode, "local")) {
    useLocal = true; useRemote = false;
  }
   
  String s = "";
  
  if (useRemote) {
    if (eq(mechMode().readMode, "localCopies"))
      s = unnull(loadTextFile(remoteMechListMirrorFile(name)));
    else
      s = serverMechList_raw_fresh(name, true);
  }
  
  if (useLocal)
    s = appendNewLineIfNempty(s) + localMechList_opt_raw_fresh(name);
  
  return s;
}
static int globalIDLength() {
  return 16;
}
static boolean allLowerCaseCharacters(String s) {
  for (int i = 0; i < l(s); i++)
    if (Character.getType(s.charAt(i)) != Character.LOWERCASE_LETTER) return false;
  return true;
}
static String hopeningTag(String tag, Map params) {
  return hopeningTag(tag, mapToParams(params));
}

static String hopeningTag(String tag, Object... params) {
  StringBuilder buf = new StringBuilder();
  buf.append("<" + tag);
  for (int i = 0; i < l(params); i += 2) {
    String name = (String) get(params, i);
    Object val = get(params, i+1);
    if (nempty(name) && val != null) {
      if (val == html_valueLessParam())
        buf.append(" " + name);
      else {
        String s = str(val);
        if (!empty(s))
          buf.append(" " + name + "=" + htmlQuote(s));
      }
    }
  }
  buf.append(">");
  return str(buf);
}
static File imageSnippetCacheFile(String snippetID) {
  File dir = imageSnippetsCacheDir();
  
  if (!loadBufferedImage_useImageCache) return null;
  
  return new File(dir, parseSnippetID(snippetID) + ".png");
}
static String snippetImageURL_noHttps(String snippetID) {
  return snippetImageURL_noHttps(snippetID, "png");
}

static String snippetImageURL_noHttps(String snippetID, String contentType) {
  return snippetImageURL(snippetID, contentType)
    .replace("https://www.botcompany.de:8443/", "http://www.botcompany.de:8080/")
    .replace("https://botcompany.de/", "http://botcompany.de/");
}
static ThreadLocal<Map<String, List<String>>> loadBinaryPage_responseHeaders = new ThreadLocal();
static ThreadLocal<Map<String, String>> loadBinaryPage_extraHeaders = new ThreadLocal();

static byte[] loadBinaryPage(String url) { try {
  print("Loading " + url);
  return loadBinaryPage(loadPage_openConnection(new URL(url)));
} catch (Exception __e) { throw rethrow(__e); } }

static byte[] loadBinaryPage(URLConnection con) { try {
  Map<String, String> extraHeaders = getAndClearThreadLocal(loadBinaryPage_extraHeaders);
  setHeaders(con);
  for (String key : keys(extraHeaders))
    con.setRequestProperty(key, extraHeaders.get(key));
  return loadBinaryPage_noHeaders(con);
} catch (Exception __e) { throw rethrow(__e); } }

static byte[] loadBinaryPage_noHeaders(URLConnection con) { try {
  ByteArrayOutputStream buf = new ByteArrayOutputStream();
  InputStream inputStream = con.getInputStream();
  loadBinaryPage_responseHeaders.set(con.getHeaderFields());
  long len = 0;
  try { len = con.getContentLength/*Long*/(); } catch (Throwable e) { printStackTrace(e); }
int n = 0;
  while (true) {
    int ch = inputStream.read();
    if (ch < 0)
      break;
    buf.write(ch);
    if (++n % 100000 == 0)
      println("  " + n + (len != 0 ? "/" + len : "") + " bytes loaded.");
  }
  inputStream.close();
  return buf.toByteArray();
} catch (Exception __e) { throw rethrow(__e); } }

/** writes safely (to temp file, then rename) */
public static byte[] saveBinaryFile(String fileName, byte[] contents) { try {
  File file = new File(fileName);
  File parentFile = file.getParentFile();
  if (parentFile != null)
    parentFile.mkdirs();
  String tempFileName = fileName + "_temp";
  FileOutputStream fileOutputStream = newFileOutputStream(tempFileName);
  fileOutputStream.write(contents);
  fileOutputStream.close();
  if (file.exists() && !file.delete())
    throw new IOException("Can't delete " + fileName);

  if (!new File(tempFileName).renameTo(file))
    throw new IOException("Can't rename " + tempFileName + " to " + fileName);
    
  
  vmBus_send("wroteFile", file);
  
  return contents;
} catch (Exception __e) { throw rethrow(__e); } }

static byte[] saveBinaryFile(File fileName, byte[] contents) {
  return saveBinaryFile(fileName.getPath(), contents);
}
static String dataSnippetLink(String snippetID) {
  long id = parseSnippetID(snippetID);
  if (id >= 1100000 && id < 1200000)
    return imageServerURL() + id;
  if (id >= 1200000 && id < 1300000) { // Woody files, actually
    String pw = muricaPassword();
    if (empty(pw)) throw fail("Please set 'murica password by running #1008829");
    return "https://botcompany.de/files/" + id + "?_pass=" + pw; // XXX, although it typically gets hidden when printing
  }
  return fileServerURL() + "/" + id /*+ "?_pass=" + muricaPassword()*/;
}
static <B, A extends B> A addAndReturn(Collection<B> c, A a) {
  if (c != null) c.add(a);
  return a;
}
static void loadBinaryPageToFile(String url, File file) { try {
  print("Loading " + url);
  loadBinaryPageToFile(openConnection(new URL(url)), file);
} catch (Exception __e) { throw rethrow(__e); } }

static void loadBinaryPageToFile(URLConnection con, File file) { try {
  setHeaders(con);
  loadBinaryPageToFile_noHeaders(con, file);
} catch (Exception __e) { throw rethrow(__e); } }

static void loadBinaryPageToFile_noHeaders(URLConnection con, File file) { try {
  File ftemp = new File(f2s(file) + "_temp");
  FileOutputStream buf = newFileOutputStream(mkdirsFor(ftemp));
  try {
    InputStream inputStream = con.getInputStream();
    long len = 0;
    try { len = con.getContentLength/*Long*/(); } catch (Throwable e) { printStackTrace(e); }
    String pat = "  {*}" + (len != 0 ? "/" + len : "") + " bytes loaded.";
    copyStreamWithPrints(inputStream, buf, pat);
    inputStream.close();
    buf.close();
    file.delete();
    renameFile_assertTrue(ftemp, file);
  } finally {
    if (buf != null) buf.close();
  }
} catch (Exception __e) { throw rethrow(__e); } }

static List<String> allToString(Iterable c) {
  List<String> l = new ArrayList();
  for (Object o : unnull(c)) l.add(str(o));
  return l;
}

static List<String> allToString(Object[] c) {
  List<String> l = new ArrayList();
  for (Object o : unnull(c)) l.add(str(o));
  return l;
}
static DynModule dm_currentModuleMandatory() {
  return dm_current_mandatory();
}
static <A> AutoCloseable tempAdd(final Collection<A> l, final A a) {
  if (l == null || l.contains(a)) return null;
  l.add(a);
  return new AutoCloseable() { public String toString() { return "l.remove(a);"; } public void close() throws Exception { l.remove(a); }};
}
static <A> A third(List<A> l) {
  return _get(l, 2);
}

static <A> A third(Iterable<A> l) {
  if (l == null) return null;
  Iterator<A> it = iterator(l);
  for (int _repeat_0 = 0; _repeat_0 < 2; _repeat_0++)  {
    if (!it.hasNext()) return null;
    it.next();
  }
  return it.hasNext() ? it.next() : null;
}


static <A> A third(Producer<A> p) {
  if (p == null) return null;
  for (int _repeat_1 = 0; _repeat_1 < 2; _repeat_1++)  {
    if (p.next() == null) return null;
  }
  return p.next();
}


static <A> A third(A[] bla) {
  return bla == null || bla.length <= 2 ? null : bla[2];
}


static <A, B, C> C third(T3<A, B, C> t) {
  return t == null ? null : t.c;
}

static <A> VF1<A> runnableToVF1(final Runnable r) {
  return r == null ? null : new VF1<A>() { public void get(A a) { try {  r.run() ; } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "r.run()"; }};
}
static <A, B> Map<A, B> mruCache(int maxSize) {
  return synchronizedMRUCache(maxSize);
}
static int defaultStringTransformerCacheSize() {
  return 1000;
}
static List<String> quotelessJavaTok(String s) {
  ArrayList<String> tok = new ArrayList();
  int l = l(s);
  
  int i = 0, n = 0;
  while (i < l) {
    int j = i;
    char c, d;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      d = j+1 >= l ? '\0' : s.charAt(j+1);
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (c == '/' && d == '*') {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (c == '/' && d == '/') {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    tok.add(javaTok_substringN(s, i, j));
    ++n;
    i = j;
    if (i >= l) break;
    c = s.charAt(i);
    d = i+1 >= l ? '\0' : s.charAt(i+1);

    // scan for non-whitespace
    
    if (Character.isJavaIdentifierStart(c))
      do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't"
    else if (Character.isDigit(c)) {
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
      if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
    } else
      ++j;
      
    tok.add(javaTok_substringC(s, i, j));
    ++n;
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  return tok;
}
static Object loadJSONPage(String url) {
  return jsonDecode(loadPage(url));
}
static <A> A printHidingCredentials(A o) {
  print(hideCredentials(str(o)));
  return o;
}
static String agiBlue_linkForPhrase(String phrase, Object... additionalParams) {
  return agiBlueURL() + hquery(arrayPlus /* allow multiple "get" parameters */(additionalParams, "q" , phrase));
}
static Object[] paramsWithSameKey(Object key, Collection values) {
  return paramsWithSameKey(key, asObjectArray(values));
}

static Object[] paramsWithSameKey(Object key, Object... values) {
  int n = l(values);
  Object[] o = new Object[n*2];
  for (int i = 0; i < n; i++) {
    o[i*2] = key;
    o[i*2+1] = values[i];
  }
  return o;
}
static boolean agiBlueURL_noHTTPS = false;

static String agiBlueURL_url = "https://agi.blue";

static String agiBlueURL() {
  return agiBlueURL_noHTTPS ? replacePrefix("https://", "http://", agiBlueURL_url) : agiBlueURL_url;
}
static String hquery(Map params) {
  return htmlQuery(params);
}

static String hquery(Object... data) {
  return htmlQuery(data);
}
static int localYear() {
  return localYear(now());
}

static int localYear(long time) {
  return parseInt(simpleDateFormat_local("yyyy").format(time));
}
static java.text.SimpleDateFormat simpleDateFormat(String format, TimeZone timeZone) {
  java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(format);
  sdf.setTimeZone(timeZone);
  return sdf;
}
static String padLeft(String s, char c, int n) {
  return rep(c, n-l(s)) + s;
}

// default to space
static String padLeft(String s, int n) {
  return padLeft(s, ' ', n);
}
static int localMonth(long time) {
  return parseInt(simpleDateFormat_local("MM").format(time));
}

static int localMonth() {
  return localMonth(now());
}
static int localDayOfMonth(long time) {
  return parseInt(simpleDateFormat_local("dd").format(time));
}

static int localDayOfMonth() {
  return localDayOfMonth(now());
}
// i must point at the (possibly imaginary) opening bracket
// index returned is index of closing bracket + 1
static int findEndOfCurlyBracketPart(List<String> cnc, int i) {
  int j = i+2, level = 1;
  while (j < cnc.size()) {
    if (eq(cnc.get(j), "{")) ++level;
    else if (eq(cnc.get(j), "}")) --level;
    if (level == 0)
      return j+1;
    ++j;
  }
  return cnc.size();
}

static Map<String, String> ciMapWithoutKeysEqualToValues(Map<String, String> map) {
  if (map == null) return null;
  Map<String, String> map2 = ciMap();
  for (String key : keys( map)) { String value = map.get(key); 
    if (!eqic(key, value))
      map2.put(key, value);
  }
  return map2;
}
static Map<String, String> zipTwoTokenizationsToCIMap_strict(List<String> l1, List<String> l2) {
  int n = l(l1);
  if (n != l(l2)) return null;
  Map<String, String> map = ciMap();
  for (int i = 1; i < n; i += 2)
    if (!strictPutIC(map, l1.get(i), l2.get(i)))
      return null;
  return map;
}
static <A> boolean canPutAllStrictlyIC(Map<A, String> map, Map<A, String> map2) {
  { final Map<A, String> __0 = unnull(map2); for (A key : keys( __0)) { String value = __0.get(key); 
    if (!canPutStrictlyIC(map, key, value))
      return false;
  }}
  return true;
}
static int getIndentOfLine(String s) {
  int i = 0, n = l(s);
  while (i < n && s.charAt(i) == ' ')
    ++i;
  return i;
}

static <A> Pair<A, A> listToPair(List<A> l) {
  return l(l) != 2 ? null : pair(first(l), second(l));
}
static List<String> splitAtDoubleArrow(String s) {
  return splitAtDoubleArrow(javaTok(s));
}

static List<String> splitAtDoubleArrow(List<String> tok) {
  List<String> l = new ArrayList();
  int i = 0;
  while (i < l(tok)) {
    int j = indexOfSubList(tok, splitAtDoubleArrow_tok(), i);
    if (j < 0) j = l(tok);
    l.add(trimJoin(tok.subList(i, j)));
    i = j+3;
  }
  return l;
}
static Map<String, String> matchDollarVarsIC_withBrackets(String pat, String s) {
  if (s == null) return null;
  return matchDollarVarsIC(pat, javaTokNPunctuationWithBrackets(s));
}
static String replaceVars_optRound2(String s, Map<String, String> map) {
  return tok_deRoundOrCurlyBracket(replaceVars_optRound(s, map));
}
static boolean moreThanOneToken(String s) {
  Producer<String> it = javaTokC_producer(s);
  if (it.next() == null) return false;
  return it.next() != null;
}

static boolean moreThanOneToken(List<String> tok) {
  return l(tok) > 3;
}
static Class primitiveToBoxedTypeOpt(Class type) {
  return or(primitiveToBoxedType(type), type);
}
static boolean isImageFileName(String s) {
  return eqicOneOf(fileExtension(s), ".png", ".jpg", ".jpeg", ".gif");
}
static F1 toF1(final Object f) {
  return functionToF1(f);
}
static IterableIterator emptyIterableIterator_instance = new IterableIterator() {
  public Object next() { throw fail(); }
  public boolean hasNext() { return false; }
};

static <A> IterableIterator<A> emptyIterableIterator() {
  return emptyIterableIterator_instance; 
}
// f: func -> A | endMarker
static <A> IterableIterator<A> iff(Object f) {
  return iteratorFromFunction_withEndMarker(f);
}

// can't use type parameter because end marker
static IterableIterator iff(F0 f) {
  return iteratorFromFunction_withEndMarker(f);
}

static <A> IterableIterator iff(IF0 f) {
  return iteratorFromFunction_withEndMarker(f);
}
static Object endMarker() {
  return iteratorFromFunction_endMarker;
}
static String formatFunctionCall(String fname, Object... args) {
  return fname + "(" + joinWithComma(allToString(args)) + ")";
}
static RootPaneContainer getPossiblyInternalFrame(Component c) {
  JInternalFrame f = getInternalFrame(c);
  if (f != null) return f;
  return optCast(RootPaneContainer.class, getWindow(c));
}
static boolean isIPv4(String s) {
  return s != null && l(javaTokC(s)) == 7 && jfind(javaTok(s), "<int>.<int>.<int>.<int>") == 1;
}
static <A> void listThreadLocalAdd(ThreadLocal<List<A>> tl, A a) {
  List<A> l = tl.get();
  if (l == null) tl.set(l = new ArrayList());
  l.add(a);
}
static <A> A listThreadLocalPopLast(ThreadLocal<List<A>> tl) {
  List<A> l = tl.get();
  if (l == null) return null;
  A a = popLast(l);
  if (empty(l)) tl.set(null);
  return a;
}
static boolean headless() {
  return isHeadless();
}
static boolean containsSpaces(String s) {
  return indexOf(s, ' ') >= 0;
}
static <A> A getOrKeep(Map<A, ? extends A> map, A a) {
  if (map == null) return a;
  A v = map.get(a);
  return v != null ? v : a;
}
static List<String> ai_splitCamelCase(String s) {
  int j = 0;
  List<String> l = new ArrayList();
  
  // new addition
  if (isAllUpperCase(s)) { l.add(s); return l; }
  
  for (int i = 0; i < l(s); i++)
    if (i > j && isUpperCaseLetter(s.charAt(i))) {
      l.add(substring(s, j, i));
      j = i;
    }
  if (j < l(s))
    l.add(substring(s, j));
  return l;
}
static JTextField standardTextFieldPopupMenu(final JTextField tf) {
  final WeakReference<JTextField> ref = weakRef(tf);
  componentPopupMenuItem(tf, "Copy text to clipboard", new Runnable() {  public void run() { try { 
    copyTextToClipboard(ref.get().getText())
  ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "copyTextToClipboard(ref.get().getText())"; }});
  componentPopupMenuItem(tf, "Paste", new Runnable() {  public void run() { try {  ref.get().paste() ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "ref.get().paste()"; }});
  return tf;
}


static <A extends JTextComponent> A jenableUndoRedo(final A textcomp) {
  { swing(new Runnable() {  public void run() { try { 
    final UndoManager undo = new UndoManager();
    vm_generalWeakSet("Undo Managers").add(undo);
    textcomp.getDocument().addUndoableEditListener(new UndoableEditListener() {
      public void undoableEditHappened(UndoableEditEvent evt) {
        undo.addEdit(evt.getEdit());
      }
    });
    
    textcomp.getActionMap().put("Undo", abstractAction("Undo", new Runnable() {  public void run() { try { 
      if (undo.canUndo()) undo.undo()
    ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (undo.canUndo()) undo.undo()"; }}));
    textcomp.getActionMap().put("Redo", abstractAction("Redo", new Runnable() {  public void run() { try { 
      if (undo.canRedo()) undo.redo()
    ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (undo.canRedo()) undo.redo()"; }}));
    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Z"), "Undo");
    textcomp.getInputMap().put(KeyStroke.getKeyStroke("control Y"), "Redo");
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "final new UndoManager undo;\r\n    vm_generalWeakSet(\"Undo Managers\").add(undo)..."; }}); }
  return textcomp;
}
static String strOrEmpty(Object o) {
  return o == null ? "" : str(o);
}
static JInternalFrame showForm_makeInternalFrame(JDesktopPane desktop, String title, JPanel panel) {
  JInternalFrame f = addInternalFrame(desktop, title, withMargin(panel));
  minInternalFrameWidth(f, 400);
  packInternalFrameVertically(f);
  centerInternalFrame(f);
  // TODO: handleEscapeKey(f);
  return f;
}
static JFrame handleEscapeKey(final JFrame frame) {
  KeyStroke stroke = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
  frame.getRootPane().registerKeyboardAction(new ActionListener() {
    public void actionPerformed(ActionEvent actionEvent) {
      frame.dispose();
    }
  }, stroke, JComponent.WHEN_IN_FOCUSED_WINDOW);
  return frame;
}

static JFrame minFrameWidth(JFrame frame, int w) {
  if (frame != null && frame.getWidth() < w)
    frame.setSize(w, frame.getHeight());
  return frame;
}

static JFrame minFrameWidth(int w, JFrame frame) {
  return minFrameWidth(frame, w);
}

static JFrame showPackedFrame(String title, Component contents) {
  return packFrame(showFrame(title, contents));
}

static JFrame showPackedFrame(Component contents) {
  return packFrame(showFrame(contents));
}
static int withMargin_defaultWidth = 6;

static JPanel withMargin(Component c) {
  return withMargin(withMargin_defaultWidth, c);
}

static JPanel withMargin(int w, Component c) {
  return withMargin(w, w, c);
}

static JPanel withMargin(int w, int h, Component c) {
  return withMargin(w, h, w, h, c);
}

static JPanel withMargin(final int top, final int left, final int bottom, final int right, final Component c) {
  return swing(new F0<JPanel>() { public JPanel get() { try { 
    JPanel p = new JPanel(new BorderLayout());
    p.setBorder(BorderFactory.createEmptyBorder(top, left, bottom, right));
    p.add(c);
    return p;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat..."; }});
}
static int showForm_leftWidth(List<List<JComponent>> l) {
  int minW = 0;
  for (List<JComponent> row : l)
    minW = max(minW, getMinimumSize(first(row)).width);
  return minW;
}
static JPanel westAndCenter(final Component w, final Component c) {
  return swing(new F0<JPanel>() { public JPanel get() { try { 
    JPanel panel = new JPanel(new BorderLayout());
    panel.add(BorderLayout.WEST, wrap(w));
    panel.add(BorderLayout.CENTER, wrap(c));
    return panel;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JPanel panel = new JPanel(new BorderLayout);\r\n    panel.add(BorderLayout.WEST..."; }});
}
static int withRightMargin_defaultWidth = 6;

static JPanel withRightMargin(Component c) {
  return withRightMargin(withRightMargin_defaultWidth, c);
}

static JPanel withRightMargin(final int w, final Component c) {
  return swing(new F0<JPanel>() { public JPanel get() { try { 
    JPanel p = new JPanel(new BorderLayout());
    p.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, w));
    p.add(c);
    return p;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat..."; }});
}
static <A extends Component> A jMinWidth(final int w, final A c) {
  if (c == null) return null;
  return swing(new F0<A>() { public A get() { try { 
    Dimension size = c.getMinimumSize();
    c.setMinimumSize(new Dimension(/*max(w, size.width) ??? */w, size.height));
    return jPreferWidth(w, c);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "Dimension size = c.getMinimumSize();\r\n    c.setMinimumSize(new Dimension(/*ma..."; }});
}
static void setComponentID(Component c, String id) {
  if (c != null) componentID_map.put(c, id);
}
static List mapLL(Object f, Object... data) {
  return map(f, ll(data));
}
static Component wrapForSmartAdd(Object o) {
  if (o == null) return jpanel();
  if (o instanceof String) return jlabel((String) o);
  return wrap(o);
}
static boolean isRunnable(Object o) {
  return o instanceof Runnable || hasMethod(o, "get");
}
static String showFormSubmitButtonName() {
  return "Submit";
}
static void disposeInternalFrame(Component c) {
  final JInternalFrame f = getInternalFrame(c);
  if (f != null) { swing(new Runnable() {  public void run() { try { 
    f.dispose();
    setOpt(f, "lastFocusOwner" , null); // Help GC
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "f.dispose();\r\n    setOpt(f, lastFocusOwner := null); // Help GC"; }}); }
}
static void disposeFrame(final Component c) {
  disposeWindow(c);
}
static void onEnterInAllTextFields(JComponent c, Object action) {
  if (action == null) return;
  for (Component tf : allChildren(c))
    onEnterIfTextField(tf, action);
}

static void onEnterInAllTextFields(List c, Object action) {
  for (Object o : unnull(c))
    if (o instanceof JComponent)
      onEnterInAllTextFields((JComponent) o, action);
}
static void clickButton(final JButton b) {
  if (b != null) { swing(new Runnable() {  public void run() { try { 
    if (b.isEnabled())
      b.doClick();
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (b.isEnabled())\r\n      b.doClick();"; }}); }
}
static <A extends JComponent> A makeBold(final A c) {
  if (c != null) { swing(new Runnable() {  public void run() { try {  c.setFont(c.getFont().deriveFont(java.awt.Font.BOLD)); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "c.setFont(c.getFont().deriveFont(java.awt.Font.BOLD));"; }}); }
  return c;
}
static JPanel smartAddWithLayout(JPanel panel, Object layout, List parts) {
  for (Object o : parts)
    panel.add(wrapForSmartAdd(o), layout);
  return panel;
}

static JPanel smartAddWithLayout(JPanel panel, Object layout, Object... parts) {
  return smartAddWithLayout(panel, layout, asList(flattenArray2(parts)));
}

static <A> List<A> nonNulls(List<A> l) {
  return withoutNulls(l);
}

static <A> List<A> nonNulls(A[] l) {
  return withoutNulls(l);
}

static <A, B> Map<A, B> nonNulls(Map<A, B> map) {
  return withoutNulls(map);
}
static Component jrigid() {
  return javax.swing.Box.createRigidArea(new Dimension(0, 0));
}
static String nullIfEmpty(String s) {
  return isEmpty(s) ? null : s;
}

static <A, B> Map<A, B> nullIfEmpty(Map<A, B> map) {
  return isEmpty(map) ? null : map;
}

static <A> List<A> nullIfEmpty(List<A> l) {
  return isEmpty(l) ? null : l;
}
static boolean newButton_autoToolTip = true;

// action can be Runnable or a function name
static JButton newButton(final String text, final Object action) {
  return swing(new F0<JButton>() { public JButton get() { try { 
    String text2 = dropPrefix("[disabled] ", text);
    final JButton btn = new JButton(text2);
    if (l(text2) < l(text)) btn.setEnabled(false);
    if (newButton_autoToolTip) {
      btn.setToolTipText(btn.getText());
      //onChangeAndNow(btn, r { btn.setToolTipText(btn.getText()) });
    }
    // submitButtonOnEnter(btn); // test this first
    if (action != null)
      btn.addActionListener(actionListener(action, btn));
    return btn;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "S text2 = dropPrefix(\"[disabled] \", text);\r\n    final JButton btn = new JButt..."; }});
}
static String charToString(char c) {
  return String.valueOf(c);
}

static String charToString(int c) {
  return String.valueOf((char) c);
}
static Object[] asArray(List l) {
  return toObjectArray(l);
}

static <A> A[] asArray(Class<A> type, List l) {
  return (A[]) l.toArray((Object[]) Array.newInstance(type, l.size()));
}
static boolean isMenuSeparatorIndicator(Object o) {
  return eqOneOf(o, "***", "---", "===", "");
}
static boolean isRunnableX(Object o) {
  if (o == null) return false;
  if (o instanceof String) return hasMethod(mc(), (String) o);
  return o instanceof Runnable || hasMethod(o, "get");
}
static <A extends JComponent> A bindLiveValueListenerToComponent(A component, final LiveValue lv, final Runnable listener) {
  if (lv != null)
    bindToComponent(component,
      new Runnable() {  public void run() { try { 
        
        lv.onChangeAndNow(listener);
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "ifdef bindLiveValueListenerToComponent_debug\r\n          print(\"bindLiveValueL..."; }},
      new Runnable() {  public void run() { try {  lv.removeOnChangeListener(listener) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "lv.removeOnChangeListener(listener)"; }});
  return component;
}
static String unCurlyBracket(String s) {
  return tok_unCurlyBracket(s);
}
static boolean isInstanceOf(Object o, Class type) {
  return type.isInstance(o);
}
static int preferredWidth(Component c) {
  return c == null ? 0 : getPreferredSize(c).width;
}
static JButton renameButton(JComponent c, String name) {
  JButton b = first(childrenOfType(c, JButton.class));
  if (b != null)
    b.setText(name);
  return b;
}

static JButton renameButton(JComponent c, String oldName, String newName) {
  JButton b = findButton(c, oldName);
  if (b != null) b.setText(newName);
  return b;
}
static String fileInfo(File f) {
  return renderFileInfo(f);
}

static String fileInfo(String f) {
  return renderFileInfo(newFile(f));
}
static void dm_persistModule(Object module) {
  call(dm_getStem(module), "persistContents");
}
static String dm_getStructure(Object module) {
  return (String) get(dm_getStem(module), "oStruct");
}
static void logQuotedWithDate(String s) {
  logQuotedWithTime(s);
}

static void logQuotedWithDate(String logFile, String s) {
  logQuotedWithTime(logFile, s);
}

static void logQuotedWithDate(File logFile, String s) {
  logQuotedWithTime(logFile, s);
}
static File infoBoxesLogFile() {
  return new File(javaxDataDir(), "Logs/infoBoxes.txt");
}
static JWindow showWindow(Component c) {
  JWindow w = new JWindow();
  w.add(wrap(c));
  return w;
}
static JPanel infoMessage_makePanel(String text) {
  final JTextArea ta = wrappedTextArea(text);
  onClick(ta, new Runnable() {  public void run() { try {  disposeWindow(ta) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "disposeWindow(ta)"; }});
  int size = 14;
  if (l(text) <= 50) size *= 2;
  else if (l(text) < 100) size = iround(size*1.5);
  ta.setFont(typeWriterFont(size));
  JScrollPane sp = jscroll(ta);
  return withMargin(sp);
}
static int moveToTopRightCorner_inset = 20;

static <A extends Component> A moveToTopRightCorner(A a) {
  return moveToTopRightCorner(moveToTopRightCorner_inset, moveToTopRightCorner_inset, a);
}

static <A extends Component> A moveToTopRightCorner(int insetX, int insetY, A a) {
  Window w = getWindow(a);
  if (w != null)
    w.setLocation(getScreenSize().width-w.getWidth()-insetX, insetY);
  return a;
}

static boolean vmBus_noObjections(String msg, Object... args) {
  return !vmBus_anyFalse(msg, args);
}
static <A extends Window> A disposeWindowAfter(int delay, final A w) {
  if (w != null)
    swingLater(delay, new Runnable() {  public void run() { try { 
      w.dispose();
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "w.dispose();"; }});
  return w;
}

static <A extends Window> A disposeWindowAfter(A w, double seconds) {
  return disposeWindowAfter(toMS_int(seconds), w);
}

static <A extends Window> A disposeWindowAfter(double seconds, A w) {
  return disposeWindowAfter(w, seconds);
}
static Map<String, Font> loadFont_cached_cache = new HashMap();

static synchronized Font loadFont_cached(String snippetID) { try {
  snippetID = formatSnippetID(snippetID);
  Font f = loadFont_cached_cache.get(snippetID);
  if (f == null)
    loadFont_cached_cache.put(snippetID, f = loadFont(snippetID, 12f));
  return f;
} catch (Exception __e) { throw rethrow(__e); } }

static synchronized Font loadFont_cached(String snippetID, float size) { try {
  return loadFont_cached(snippetID).deriveFont(size);
} catch (Exception __e) { throw rethrow(__e); } }
static float getSwingFontScale() {
  return or((Float) vm_generalMap_get("swingFontScale_value"), 1f);
}
static <A> A firstWithClassShortNamed(String shortName, Iterable<A> l) {
  if (l != null) for (A o : l)
    if (eq(shortClassName(o), shortName))
      return o;
  return null;
}

static <A> A firstWithClassShortNamed(String shortName, A[] l) {
  if (l != null) for (A o : l)
    if (eq(shortClassName(o), shortName))
      return o;
  return null;
}
static JMenuItem jMenuItem(final String text) {
  return jmenuItem(text);
}

static JMenuItem jMenuItem(String text, Object r) {
  return jmenuItem(text, r);
}
static Pair<String, Integer> jmenu_autoMnemonic(String s) {
  int i = indexOf(s, '&');
  if (i >= 0 && i < l(s) && isLetterOrDigit(s.charAt(i+1)))
    return pair(substring(s, 0, i) + substring(s, i+1), (int) s.charAt(i+1));
  return pair(s, 0);
}
static JMenuItem disableMenuItem(final JMenuItem mi) {
  if (mi != null) { swing(new Runnable() {  public void run() { try {  mi.setEnabled(false); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "mi.setEnabled(false);"; }}); }
  return mi;
}
static Runnable asRunnable(Object o) {
  return toRunnable(o);
}


static void _inheritThreadInfo(Object info) {
  _threadInheritInfo(info);
}
static String htmlencode(Object o) {
  return htmlencode(str(o));
}

static String htmlencode(String s) {
  if (s == null) return "";
  StringBuilder out = new StringBuilder(Math.max(16, s.length()));
  for (int i = 0; i < s.length(); i++) {
    char c = s.charAt(i);
    if (c > 127 || c == '"' || c == '<' || c == '>' || c == '&') {
      int cp = s.codePointAt(i);
      out.append("&#x");
      out.append(intToHex_flexLength(cp));
      out.append(';');
      i += Character.charCount(cp)-1;
    } else
      out.append(c);
  }
  return out.toString();
}
static Component childWithClassNameEndingWith(Component c, String suffix) {
  if (endsWith(className(c), suffix)) return c;
  Component x;
  for (Component comp : getComponents(c))
    if ((x = childWithClassNameEndingWith(comp, suffix)) != null) return x;
  return null;
}
static Frame getAWTFrame(final Object _o) {
  return swing(new F0<Frame>() { public Frame get() { try { 
    Object o = _o;
    /*
    ifdef HaveProcessing
      if (o instanceof PApplet) o = ((PApplet) o).getSurface();
    endifdef
    */
    if (o instanceof ButtonGroup) o = first(buttonsInGroup((ButtonGroup) o));
    if (!(o instanceof Component)) return null;
    Component c = (Component) o;
    while (c != null) {
      if (c instanceof Frame) return (Frame) c;
      c = c.getParent();
    }
    return null;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "O o = _o;\r\n    /*\r\n    ifdef HaveProcessing\r\n      if (o instanceof PApplet) ..."; }});
}
// o is either a map already (string->object) or an arbitrary object,
// in which case its fields are converted into a map.
static Map<String, Object> objectToMap(Object o) { try {
  if (o instanceof Map) return (Map) o;
  
  TreeMap<String, Object> map = new TreeMap();
  Class c = o.getClass();
  while (c != Object.class) {
    Field[] fields = c.getDeclaredFields();
    for (final Field field : fields) {
      if ((field.getModifiers() & Modifier.STATIC) != 0)
        continue;
      field.setAccessible(true);
      final Object value = field.get(o);
      if (value != null)
        map.put(field.getName(), value);
    }
    c = c.getSuperclass();
  }
  
  // XXX NEW - hopefully this doesn't break anything
  if (o instanceof DynamicObject)
    map.putAll(((DynamicObject) o).fieldValues);

  return map;
} catch (Exception __e) { throw rethrow(__e); } }

// same for a collection (convert each element)
static List<Map<String, Object>> objectToMap(Iterable l) {
  if (l == null) return null;
  List x = new ArrayList();
  for (Object o : l)
    x.add(objectToMap(o));
  return x;
}
static String[] asStringArray(Collection<String> c) {
  return toStringArray(c);
}

static String[] asStringArray(Object o) {
  return toStringArray(o);
}

static boolean isSubclassOf(Class a, Class b) {
  return isSubclass(a, b);
}
static JTextField onEnter(final JTextField tf, final Object action) {
  if (action == null || tf == null) return tf;
  tf.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent _evt) { try {
    tf.selectAll();
    callF(action);
  } catch (Throwable __e) { messageBox(__e); }}});
  return tf;
}

static JButton onEnter(JButton btn, final Object action) {
  if (action == null || btn == null) return btn;
  btn.addActionListener(actionListener(action));
  return btn;
}

static JList onEnter(JList list, Object action) {
  list.addKeyListener(enterKeyListener(rCallOnSelectedListItem(list, action)));
  return list;
}

static JComboBox onEnter(final JComboBox cb, final Object action) {
  { swing(new Runnable() {  public void run() { try { 
    if (cb.isEditable()) {
      JTextField text = (JTextField) cb.getEditor().getEditorComponent();
      onEnter(text, action);
    } else {
      cb.getInputMap().put(KeyStroke.getKeyStroke("ENTER"), "enter");
      cb.getActionMap().put("enter", abstractAction("", new Runnable() {  public void run() { try {  cb.hidePopup(); callF(action); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "cb.hidePopup(); callF(action);"; }}));
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (cb.isEditable()) {\r\n      JTextField text = (JTextField) cb.getEditor().g..."; }}); }
  return cb;
}

static JTable onEnter(final JTable table, final Object action) {  
  table.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT)
    .put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "Enter");
    
  table.getActionMap().put("Enter", new AbstractAction() {
    public void actionPerformed(ActionEvent e) {
      callF(action, table.getSelectedRow());
    }
  });
  return table;
}

/*static JTextArea onEnter(final JTextArea ta, fO action) {
  addKeyListener(ta, enterKeyListener(action));
  ret ta;
}*/

static JTextField onEnter(Object action, JTextField tf) {
  return onEnter(tf, action);
}
static String getSelectedItem(JList l) {
  return (String) l.getSelectedValue();
}

static String getSelectedItem(JComboBox cb) {
  return strOrNull(cb.getSelectedItem());
}
static void fillJMenu(final JMenu m, Object... x) {
  //ifdef fillJMenu_debug
  //print("fillJMenu " + m);
  //endifdef
  if (x == null) return;
  for (int i = 0; i < l(x); i++) {
    Object o = x[i], y = get(x, i+1);
    if (o instanceof List)
      fillJMenu(m, asArray((List) o));
    else if (isMenuSeparatorIndicator(o)) {
      if (menuItemCount(m) != 0) // auto-skip separator if at top
        m.addSeparator();
    }
    
    else if (o instanceof LiveValue && ((LiveValue) o).getType() == String.class && isRunnableX(y)) {
      final LiveValue<String> lv =  (LiveValue<String>) o;
      final JMenuItem mi = jmenuItem(or2(unCurlyBracket(lv.get()), "..."), y);
      bindLiveValueListenerToComponent(mi, lv, new Runnable() {  public void run() { try { 
        String s = lv.get();
        if (isCurlyBracketed(s)) {
          setEnabled(mi, false);
          s = unCurlyBracket(s);
        } else
          setEnabled(mi, true);
        setText(mi, s);
        revalidate(m);
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "String s = lv.get();\r\n        if (isCurlyBracketed(s)) {\r\n          setEnable..."; }});
      print("bound live value " + lv + " to menu item " + mi);
      m.add(mi);
      ++i;
    }
    
    else if (o instanceof String && isRunnableX(y)) {
      m.add(jmenuItem((String) o, y));
      ++i;
    } else if (o instanceof JMenuItem)
      m.add((JMenuItem) o); // "call" might use wrong method
    else if (o instanceof String || o instanceof Action || o instanceof Component)
      call(m, "add", o);
    else if (o == null && y instanceof Runnable)
      ++i; // text == null => disabled item
    else
      print("Unknown menu item: " + o);
  }
}
static int imageIcon_cacheSize = 10;
static boolean imageIcon_verbose = false;
static Map<String, ImageIcon> imageIcon_cache;
static Lock imageIcon_lock = lock();
static ThreadLocal<Boolean> imageIcon_fixGIF = new ThreadLocal();

// not going through BufferedImage preserves animations
static ImageIcon imageIcon(String imageID) { try {
  if (imageID == null) return null;
  Lock __0 = imageIcon_lock; lock(__0); try {
  if (imageIcon_cache == null)
    imageIcon_cache = new MRUCache(imageIcon_cacheSize);
  imageID = fsI(imageID);
  ImageIcon ii = imageIcon_cache.get(imageID);
  if (ii == null) {
    if (imageIcon_verbose) print("Loading image icon: " + imageID);
    File f = loadBinarySnippet(imageID);
    
      Boolean b = imageIcon_fixGIF.get();
      if (!isFalse(b))
        ii = new ImageIcon(loadBufferedImageFixingGIFs(f));
      else
    
    ii = new ImageIcon(f.toURI().toURL());
  } else
    imageIcon_cache.remove(imageID); // move to front of cache on access
  imageIcon_cache.put(imageID, ii);
  return ii;
} finally { unlock(__0); } } catch (Exception __e) { throw rethrow(__e); } }

// doesn't fix GIFs
static ImageIcon imageIcon(File f) { try {
  return new ImageIcon(f.toURI().toURL());
} catch (Exception __e) { throw rethrow(__e); } }

static ImageIcon imageIcon(Image img) {
  return new ImageIcon(img);
}


  static ImageIcon imageIcon(RGBImage img) {
    return imageIcon(img.getBufferedImage());
  }



// requires ugly casting when used (O -> A)
static Object iteratorFromFunction_endMarker = new Object();

// f: func -> A | endMarker
static <A> IterableIterator<A> iteratorFromFunction_withEndMarker(final Object f) {
  class IFF extends IterableIterator<A> {
    A a;
    boolean have, done;
    
    public boolean hasNext() {
      getNext();
      return !done;
    }
    
    public A next() {
      getNext();
      if (done) throw fail();
      A _a = a;
      a = null;
      have = false;
      return _a;
    }
    
    void getNext() {
      if (done || have) return;
      Object o = callF(f);
      if (o == iteratorFromFunction_endMarker)
        { done = true; return; }
      a = (A) o;
      have = true;
    }
  };
  return new IFF();
}

// optimized version for F0 argument; TODO: do same for IF0
static <A> IterableIterator<A> iteratorFromFunction_withEndMarker(final F0 f) {
  return iteratorFromFunction_withEndMarker_f0(f);
}
static Map<Component, String> componentID_map = weakHashMap();

static String componentID(Component c) {
  return c == null ? null : componentID_map.get(c);
}
static MechMode mechMode_value = new MechMode();

static MechMode mechMode() {
  return mechMode_value;
}
static String loadTextFileFromZipFile(File inZip, String fileName) { try {
  if (!fileExists(inZip)) return null;
  try {
     ZipFile zip = new ZipFile(inZip); try {
    return loadTextFileFromZipFile(zip, fileName);
  } finally { _close(zip); }} catch (Throwable e) {
    throw fail(f2s(inZip), e);
  }
} catch (Exception __e) { throw rethrow(__e); } }
    
static String loadTextFileFromZipFile(ZipFile zip, String fileName) { try {
  ZipEntry entry = zip.getEntry(fileName);
  if (entry == null) return null;
   InputStream fin = zip.getInputStream(entry); try {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  copyStream(fin, baos);
  return fromUTF8(baos.toByteArray());
} finally { _close(fin); }} catch (Exception __e) { throw rethrow(__e); } }
static File remoteMechListMirrorFile(String listName) {
  return newFile(remoteMechListMirrorsDir(), uniqueFileNameUsingMD5_80_v2(upper(listName)));
}
static boolean serverMechList_raw_fresh_verbose = false;

static String serverMechList_raw_fresh(String name) {
  return serverMechList_raw_fresh(name, false);
}

static String serverMechList_raw_fresh(String name, boolean opt) {
  Lock __0 = downloadLock(); lock(__0); try {
  /*if (serverMechList_raw_fresh_verbose)
    print("serverMechList_raw_fresh " + name);*/
  String text = null;
  try { text = loadTextFile(remoteMechListMirrorFile(name)); } catch (Throwable __e) { _handleException(__e); }
  Object[] params = muricaCredentialsPlus("md5" , md5OrNull(text), "l" , l(text), "opt" , opt ? 1 : 0, "withStatus" , 1);
  String url = "http://butter.botcompany.de:8080/mech/raw/list-text/" + urlencode(name);
  String page = postPageSilently(url, params);
  Map map = jsonDecodeMap(page);
  boolean same = eq(map.get("Same"), true);
  boolean appended = eq(map.get("Appended"), true);
  saveTextFile(remoteMechListMirrorMetaFile(name), struct(getMultipleKeys(map, "Name", "Status")));
  if (!same) {
    if (appended) text += (String) map.get("Text");
    else text = (String) map.get("Text");
    saveTextFile(remoteMechListMirrorFile(name), text);
    File nameFile = remoteMechListMirrorNameFile(name);
    if (!fileExists(nameFile)) {
      String actualName = or((String) map.get("Name"), name);
      saveTextFile(nameFile, actualName);
    }
  }
  if (serverMechList_raw_fresh_verbose)
    print("Mech list " + name + ": " + (appended ? "appended" : same ? "same" : "downloaded") + ": " + n2(countLines(text), "line"));
  if (!same) vmBus_send("remoteMechListMirrorChanged", name);
  return text;
} finally { unlock(__0); } }
static String localMechList_opt_raw_fresh(String name) {
  return unnull(loadTextFile(localMechListFile(name)));
}
static Object html_valueLessParam_cache;
static Object html_valueLessParam() { if (html_valueLessParam_cache == null) html_valueLessParam_cache = html_valueLessParam_load(); return html_valueLessParam_cache; }

static Object html_valueLessParam_load() {
  return new Object();
}
static String htmlQuote(String s) {
  return "\"" + htmlencode_forParams(s) + "\"";
}
static <A> A println(A a) {
  return print(a);
}
static String fileServerURL() {
  return "https://botcompany.de/files";
}
static void copyStreamWithPrints(InputStream in, OutputStream out, String pat) { try {
  byte[] buf = new byte[65536];
  int total = 0;
  while (true) {
    int n = in.read(buf);
    if (n <= 0) return;
    out.write(buf, 0, n);
    if ((total+n)/100000 > total/100000)
      print(pat.replace("{*}", str(roundDownTo(100000, total))));
    total += n;
  }
} catch (Exception __e) { throw rethrow(__e); } }
static void renameFile_assertTrue(File a, File b) { try {
  if (!a.exists()) throw fail("Source file not found: " + f2s(a));
  if (b.exists()) throw fail("Target file exists: " + f2s(b));
  mkdirsForFile(b);
  
  
  if (!a.renameTo(b))
    throw fail("Can't rename " + f2s(a) + " to " + f2s(b));
  
} catch (Exception __e) { throw rethrow(__e); } }
static boolean jsonDecode_useOrderedMaps = true;

static Object jsonDecode(final String text) {
  final List<String> tok = jsonTok(text);
  if (l(tok) == 1) return null;
  
  class Y {
    int i = 1;

    Object parse() {
      String t = tok.get(i);
      if (t.startsWith("\"") || t.startsWith("'")) {
        String s = unquote(tok.get(i));
        i += 2;
        return s;
      }
      if (t.equals("{"))
        return parseMap();
      if (t.equals("["))
        return this.parseList(); // avoid loading standard function "parseList"
      if (t.equals("null")) {
        i += 2; return null;
      }
      if (t.equals("false")) {
        i += 2; return false;
      }
      if (t.equals("true")) {
        i += 2; return true;
      }
      boolean minus = false;
      if (t.equals("-")) {
        minus = true;
        i += 2;
        t = get(tok, i);
      }
      if (isInteger(t)) {
        int j = i;
        i += 2;
        if (eqOneOf(get(tok, i), ".", "e", "E")) {
          // rough parsing for doubles
          while (isInteger(get(tok, i))
            || eqOneOf(get(tok, i), ".", "e", "E", "-"))
            i += 2;
          double d = parseDouble(joinSubList(tok, j, i-1));
          if (minus) d = -d;
          return d;
        } else {
          long l = parseLong(t);
          if (minus) l = -l;
          return l != (int) l ? (Object) new Long(l) : new Integer((int) l);
        }
      }
      
      throw new RuntimeException("Unknown token " + (i+1) + ": " + t + ": " + text);
    }
    
    Object parseList() {
      consume("[");
      List list = new ArrayList();
      while (!tok.get(i).equals("]")) {
        list.add(parse());
        if (tok.get(i).equals(",")) i += 2;
      }
      consume("]");
      return list;
    }
    
    Object parseMap() {
      consume("{");
      Map map = jsonDecode_useOrderedMaps ? new LinkedHashMap() : new TreeMap();
      while (!tok.get(i).equals("}")) {
        String key = unquote(tok.get(i));
        i += 2;
        consume(":");
        Object value = parse();
        map.put(key, value);
        if (tok.get(i).equals(",")) i += 2;
      }
      consume("}");
      return map;
    }
    
    void consume(String s) {
      if (!tok.get(i).equals(s)) {
        String prevToken = i-2 >= 0 ? tok.get(i-2) : "";
        String nextTokens = join(tok.subList(i, Math.min(i+4, tok.size())));
        throw fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");
      }
      i += 2;
    }
  }
  
  return new Y().parse();
}
// one array plus more elements
static Object[] arrayPlus(Object[] a1, Object... a2) {
  return concatArrays(a1, a2);
}
static Object[] asObjectArray(Collection l) {
  return toObjectArray(l);
}
static <A> boolean canPutStrictlyIC(Map<A, String> map, A key, String value) {
  if (!(map != null && key != null && value != null)) return true;
  String old = map.get(key);
  return old == null || eqic(old, value);
}
static Map<String, String> matchDollarVarsIC(String pat, String s) {
  if (s == null) return null;
  return matchDollarVarsIC(pat, parse3_cachedInput(s));
}

static Map<String, String> matchDollarVarsIC(String pat, List<String> tokS) {
  if (pat == null || tokS == null) return null;
  List<String> vars = new ArrayList();
  String pat2 = dollarVarsToStars(pat, vars);
  Matches m = new Matches();
  if (!match3(pat2, tokS, m)) return null;
  Map<String, String> map = new HashMap();
  for (int i = 0; i < l(m.m); i++) {
    String var = vars.get(i);
    String value = m.get(i);
    String oldValue = map.get(var);
    if (oldValue == null) map.put(var, value);
    else if (neqic(oldValue, value)) return null;
  }
  return map;
}
static String replaceVars_optRound(String s, Map<String, String> map) {
  return replaceCodeTokensUsingMap(s, mapValues(__94 -> optRound(__94),map));
}
static Producer<String> javaTokC_producer(String s) {
  return javaTokC_iterator(s);
}
static Class primitiveToBoxedType(Class type) {
  if (type == boolean.class) return Boolean.class;
  if (type == int.class) return Integer.class;
  if (type == long.class) return Long.class;
  if (type == float.class) return Float.class;
  if (type == short.class) return Short.class;
  if (type == char.class) return Character.class;
  if (type == byte.class) return Byte.class;
  if (type == double.class) return Double.class;
  return null;
}
static F1 functionToF1(final Object f) {
  if (isString(f)) return mainFunctionToF1((String) f);
  if (f instanceof F1) return (F1) f;
  return new F1<Object, Object>() { public Object get(Object a) { try {  return callF(f, a);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret callF(f, a);"; }};
}
static <A> A optCast(Class<A> c, Object o) {
  return isInstance(c, o) ? (A) o : null;
}
static Window getWindow(Object o) {
  if (!(o instanceof Component)) return null;
  Component c = (Component) o;
  while (c != null) {
    if (c instanceof Window) return (Window) c;
    c = c.getParent();
  }
  return null;
}
static boolean isAllUpperCase(String s) {
  return hasLettersAllUpperCase(s);
}
static boolean isUpperCaseLetter(char c) {
  return Character.isUpperCase(c);
}
static Set vm_generalWeakSet(Object name) {
  synchronized(get(javax(), "generalMap")) {
    Set set =  (Set) (vm_generalMap_get(name));
    if (set == null)
      vm_generalMap_put(name, set = newWeakHashSet());
    return set;
  }
}

static ThreadLocal<Boolean> addInternalFrame_dontSelect = new ThreadLocal();
static ThreadLocal<Integer> addInternalFrame_layer = new ThreadLocal();
static ThreadLocal<Boolean> addInternalFrame_toBack = new ThreadLocal();

static JInternalFrame addInternalFrame(final JDesktopPane desktop, final String title, final int x, final int y, final int w, final int h) {
  return addInternalFrame(desktop, title, x, y, w, h, null);
}

static JInternalFrame addInternalFrame(final JDesktopPane desktop, final String title, final int x, final int y, final int w, final int h, final Component contents) {
  return addInternalFrame(desktop, title, rect(x, y, w, h), contents);
}

static JInternalFrame addInternalFrame(final JDesktopPane desktop, final String title, final Component contents) {
  return addInternalFrame(desktop, title, null, contents);
}

static JInternalFrame addInternalFrame(final JDesktopPane desktop, final String title, final Rect r, final Component contents) {
  final boolean dontSelect = isTrue(optParam(addInternalFrame_dontSelect));
  final boolean toBack = isTrue(optParam(addInternalFrame_toBack));
  final Integer layer = optParam(addInternalFrame_layer);
  return swing(new F0<JInternalFrame>() { public JInternalFrame get() { try { 
    JInternalFrame frame;
    if (contents instanceof JInternalFrame)
      frame = (JInternalFrame) contents;
    else {
      frame = jInternalFrame(title);
      setInternalFrameContents(frame, contents);
    }
    frame.setVisible(true);
    desktop.add(frame, layer);
    if (r != null)
      setBounds(frame, r);
    else
      internalFrameDefaultPosition(frame);
    if (dontSelect)
      if (toBack)
        frame.toBack();
      else
        frame.toFront();
    else
      frame.setSelected(true);
    return fixInternalFrame(frame);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JInternalFrame frame;\r\n    if (contents instanceof JInternalFrame)\r\n      fra..."; }});
}

static JInternalFrame addInternalFrame(JDesktopPane desktop, String title) {
  return addInternalFrame(desktop, title, jpanel());
}
static JInternalFrame minInternalFrameWidth(final JInternalFrame frame, final int w) {
  { swing(new Runnable() {  public void run() { try { 
    if (frame != null && frame.getWidth() < w)
      frame.setSize(w, frame.getHeight());
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (frame != null && frame.getWidth() < w)\r\n      frame.setSize(w, frame.getH..."; }}); }
  return frame;
}

static JInternalFrame minInternalFrameWidth(int w, JInternalFrame frame) {
  return minInternalFrameWidth(frame, w);
}

static <A extends Component> A packInternalFrameVertically(A c) {
  return packInternalFrameVertically(-1, c);
}

static <A extends Component> A packInternalFrameVertically(int width, A c) {
  final JInternalFrame win = getInternalFrame(c);
  if (win == null) return c;
  final int w = width < 0 ? win.getWidth() : width;
  { swing(new Runnable() {  public void run() { try { 
    win.pack();
    win.setSize(w, win.getHeight());
    fixInternalFrame(win);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "win.pack();\r\n    win.setSize(w, win.getHeight());\r\n    fixInternalFrame(win);"; }}); }
  return c;
}
static JInternalFrame centerInternalFrame(final JInternalFrame f) {
  { swing(new Runnable() {  public void run() { try { 
    Container c = f.getParent();
    if (c != null) {
      //print("Container type: " + className(c) + ", bounds: " + c.getBounds());
      f.setLocation((c.getWidth()-f.getWidth())/2, (c.getHeight()-f.getHeight())/2);
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "Container c = f.getParent();\r\n    if (c != null) {\r\n      //print(\"Container ..."; }}); }
  return f;
}

static JInternalFrame centerInternalFrame(final int w, final int h, final JInternalFrame f) {
  { swing(new Runnable() {  public void run() { try { 
    f.setSize(w, h);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "f.setSize(w, h);"; }}); }
  return centerInternalFrame(f);
}
static int packFrame_minw = 150, packFrame_minh = 50;

static <A extends Component> A packFrame(final A c) {
  { swing(new Runnable() {  public void run() { try { 
    Window w = getWindow(c);
    if (w != null) {
      w.pack();
      int maxW = getScreenWidth()-50, maxH = getScreenHeight()-50;
      w.setSize(
        min(maxW, max(w.getWidth(), packFrame_minw)),
        min(maxH, max(w.getHeight(), packFrame_minh)));
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "Window w = getWindow(c);\r\n    if (w != null) {\r\n      w.pack();\r\n      int ma..."; }}); }
  return c;
}

static JFrame packFrame(ButtonGroup g) {
  return packFrame(getFrame(g));
}
static JFrame showFrame() {
  return makeFrame();
}

static JFrame showFrame(Object content) {
  return makeFrame(content);
}

static JFrame showFrame(String title) {
  return makeFrame(title);
}

static JFrame showFrame(String title, Object content) {
  return makeFrame(title, content);
}

static JFrame showFrame(final JFrame f) {
  if (f != null) { swing(new Runnable() {  public void run() { try { 
    if (frameTooSmall(f)) frameStandardSize(f);
    if (!f.isVisible()) f.setVisible(true); // XXX
    if (f.getState() == Frame.ICONIFIED) f.setState(Frame.NORMAL);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (frameTooSmall(f)) frameStandardSize(f);\r\n    if (!f.isVisible()) f.setVis..."; }}); }
  return f;
}

// make or update frame
static JFrame showFrame(String title, Object content, JFrame frame) {
  if (frame == null)
    return showFrame(title, content);
  else {
    frame.setTitle(title);
    setFrameContents(frame, content);
    return frame;
  }
}
static Dimension getMinimumSize(final Component c) {
  return c == null ? null : swing(new F0<Dimension>() { public Dimension get() { try {  return c.getMinimumSize();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret c.getMinimumSize();"; }});
}
// c = Component or something implementing swing()
static JComponent wrap(Object swingable) {
  return _recordNewSwingComponent(wrap_2(swingable));
}

static JComponent wrap_2(Object swingable) {
  if (swingable == null) return null;
  JComponent c;
  if (swingable instanceof Component) c = componentToJComponent(((Component) swingable));
  
  else c = componentToJComponent((Component) callOpt(swingable, "swing"));
  if (c instanceof JTable || c instanceof JList
    || c instanceof JTextArea || c instanceof JEditorPane
    || c instanceof JTextPane || c instanceof JTree)
    return jscroll(c);
  return c == null ? jlabel(str(swingable)) : c;
}
static <A extends Component> A jPreferWidth(int w, A c) {
  Dimension size = c.getPreferredSize();
  c.setPreferredSize(new Dimension(/*max(w, size.width) ??? */w, size.height));
  return c;
}
static JLabel jlabel(final String text) {
  return swingConstruct(BetterLabel.class, text);
}

static JLabel jlabel() {
  return jlabel(" ");
}
static void disposeWindow(final Window window) {
  if (window != null) { swing(new Runnable() {  public void run() { try { 
    window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING)); // call listeners
    myFrames_list.remove(window);
    window.dispose();
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "window.dispatchEvent(new WindowEvent(window, WindowEvent.WINDOW_CLOSING)); //..."; }}); }
}

static void disposeWindow(final Component c) {
  disposeWindow(getWindow(c));
}

static void disposeWindow(Object o) {
  if (o != null) disposeWindow(((Component) o));
}

static void disposeWindow() {
  disposeWindow(heldInstance(Component.class));
}
static List<Component> allChildren(Component c) {
  return childrenOfType(c, Component.class);
}
static void onEnterIfTextField(Component c, Object action) {
  if (action == null) return;
  if (c instanceof JTextField)
    onEnter((JTextField) c, action);
  else if (c instanceof JComboBox)
    onEnter((JComboBox) c, action);
}
static Object[] flattenArray2(Object... a) {
  List l = new ArrayList();
  if (a != null) for (Object x : a)
    if (x instanceof Object[])
      l.addAll(asList((Object[]) x));
    else if (x instanceof Collection)
      l.addAll((Collection) x);
    else
      l.add(x);
  return asObjectArray(l);
}
static <A> List<A> withoutNulls(List<A> l) {
  if (!containsNulls(l)) return l;
  List<A> l2 = new ArrayList();
  for (A a : l)
    if (a != null)
      l2.add(a);
  return l2;
}

static <A, B> Map<A, B> withoutNulls(Map<A, B> map) {
  Map<A, B> map2 = similarEmptyMap(map);
  for (A a : keys(map))
    if (a != null) {
      B b = map.get(a);
      if (b != null)
        map2.put(a, b);
    }
  return map2;
}

static <A> List<A> withoutNulls(A[] l) {
  List<A> l2 = new ArrayList();
  if (l != null) for (A a : l)
    if (a != null)
      l2.add(a);
  return l2;
}
static boolean isEmpty(Collection c) {
  return c == null || c.isEmpty();
}

static boolean isEmpty(CharSequence s) {
  return s == null || s.length() == 0;
}

static boolean isEmpty(Object[] a) { return a == null || a.length == 0; }
static boolean isEmpty(byte[] a) { return a == null || a.length == 0; }

static boolean isEmpty(Map map) {
  return map == null || map.isEmpty();
}
static <A extends JComponent> A bindToComponent(final A component, final Runnable onShow, final Runnable onUnShow) {
  { swing(new Runnable() {  public void run() { try { 
    final Var < Boolean > flag = new Var<>(false);
    component.addAncestorListener(new AncestorListener() {
      public void ancestorAdded(AncestorEvent event) {
        if (flag.get()) print("Warning: bindToComponent logic failure");
        flag.set(true);
        pcallF(onShow);
      }
  
      public void ancestorRemoved(AncestorEvent event) {
        if (!flag.get()) print("Warning: bindToComponent logic failure");
        flag.set(false);
        pcallF(onUnShow);
      }
  
      public void ancestorMoved(AncestorEvent event) {
      }
    });
    if (component.isShowing()) { // Hopefully this matches the AncestorListener logic
      flag.set(true);
      pcallF(onShow);
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "final Var<Boolean> flag = new(false);\r\n    component.addAncestorListener(new ..."; }}); }
  return component;
}

static <A extends JComponent> A bindToComponent(A component, Runnable onShow) {
  return bindToComponent(component, onShow, null);
}
static String tok_unCurlyBracket(String s) {
  return isCurlyBraced(s) ? join(dropFirstThreeAndLastThree(javaTok(s))) : s;
}
static <A> List<A> childrenOfType(Component c, Class<A> theClass) {
  List<A> l = new ArrayList();
  scanForComponents(c, theClass, l);
  return l;
}

static <A> List<A> childrenOfType(Class<A> theClass, Component c) {
  return childrenOfType(c, theClass);
}
static JButton findButton(Component c, String name) {
  for (JButton b : childrenOfType(c, JButton.class))
    if (eq(b.getText(), name)) return b;
  for (JButton b : childrenOfType(getFrame(c), JButton.class))
    if (eq(b.getText(), name)) return b;
  return null;
}

static JButton findButton(Component c) {
  return childOfType(c, JButton.class);
}
static String renderFileInfo(File f) {
  return f == null ? "-" : f2s(f) + " "
    + (f.isFile() ? "(file, " + n2(fileSize(f)) + " bytes)"
      : f.isDirectory() ? "(dir)" : "(not found)");
}
static void logQuotedWithTime(String s) {
  logQuotedWithTime(standardLogFile(), s);
}

static void logQuotedWithTime(File logFile, String s) {
  logQuoted(logFile, logQuotedWithTime_format(s));
}

static void logQuotedWithTime(String logFile, String s) {
  logQuoted(logFile, logQuotedWithTime_format(s));
}

static String logQuotedWithTime_format(String s) {
  return /*formatGMTWithDate_24*/(now()) + " " + s;
}
static JTextArea wrappedTextArea(final JTextArea ta) {
  enableWordWrapForTextArea(ta);
  return ta;
}

static JTextArea wrappedTextArea() {
  return wrappedTextArea(jtextarea());
}

static JTextArea wrappedTextArea(String text) {
  JTextArea ta = wrappedTextArea();
  setText(ta, text);
  return ta;
}
static <A extends JComponent> A onClick(final A c, final Object runnable) {
  if (c != null) { swing(new Runnable() {  public void run() { try { 
    c.addMouseListener(new MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        callF(runnable, e);
      }
    });
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "c.addMouseListener(new MouseAdapter {\r\n      public void mouseClicked(MouseEv..."; }}); }
  return c;
}

// re-interpreted for buttons
static void onClick(JButton btn, final Object runnable) {
  onEnter(btn, runnable);
}
static Dimension getScreenSize() {
  return Toolkit.getDefaultToolkit().getScreenSize();
}
static boolean vmBus_anyFalse(String msg, Object... args) {
  return contains(vmBus_queryAll(msg, args), false);
}
static int toMS_int(double seconds) {
  return toInt_checked((long) (seconds*1000));
}
static Font loadFont(String snippetID) { try {
  return loadFont(snippetID, 12f);
} catch (Exception __e) { throw rethrow(__e); } }

static Font loadFont(InputStream in) { try {
  return Font.createFont(Font.TRUETYPE_FONT, in);
} catch (Exception __e) { throw rethrow(__e); } }

static Font loadFont(String snippetID, float fontSize) {
  return loadFont(loadLibrary(snippetID), fontSize);
}

static Font loadFont(File f, float fontSize) { try {
  return Font.createFont(Font.TRUETYPE_FONT, f).deriveFont(fontSize);
} catch (Exception __e) { throw rethrow(__e); } }

static Font loadFont(InputStream in, float fontSize) { try {
  return Font.createFont(Font.TRUETYPE_FONT, in).deriveFont(fontSize);
} catch (Exception __e) { throw rethrow(__e); } }
static boolean isLetterOrDigit(char c) {
  return Character.isLetterOrDigit(c);
}
static String intToHex_flexLength(int i) {
  return Integer.toHexString(i);
}
static List<Component> getComponents(final Component c) {
  return !(c instanceof Container) ? emptyList() : asList(swing(new F0<Component[]>() { public Component[] get() { try {  return ((Container) c).getComponents();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret ((Container) c).getComponents();"; }}));
}
static boolean isSubclass(Class a, Class b) {
  return a != null && b != null && b.isAssignableFrom(a);
}
static KeyListener enterKeyListener(final Object action) {
  return new KeyAdapter() {
    public void keyPressed(KeyEvent ke) {
      if (ke.getKeyCode() == KeyEvent.VK_ENTER)
        pcallF(action);
    }
  };
}
static Runnable rCallOnSelectedListItem(final JList list, final Object action) {
  return new Runnable() {  public void run() { try {  pcallF(action, getSelectedItem(list)) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "pcallF(action, getSelectedItem(list))"; }};
}
static String strOrNull(Object o) {
  return o == null ? null : str(o);
}
static int menuItemCount(JMenu menu) {
  return menu == null ? 0 : swing(() -> menu.getItemCount());
}





static boolean loadBufferedImageFixingGIFs_debug = false;
static ThreadLocal<Var<byte[]>> loadBufferedImageFixingGIFs_output = new ThreadLocal();

static Image loadBufferedImageFixingGIFs(File file) { try {
  if (!file.exists()) return null;

  // Load anything but GIF the normal way
  if (!isGIF(file))
    return ImageIO.read(file);
    
  if (loadBufferedImageFixingGIFs_debug) print("loadBufferedImageFixingGIFs" + ": checking gif");

  // Get GIF reader
  ImageReader reader = ImageIO.getImageReadersByFormatName("gif").next();
  // Give it the stream to decode from
  reader.setInput(ImageIO.createImageInputStream(file));

  int numImages = reader.getNumImages(true);

  // Get 'metaFormatName'. Need first frame for that.
  IIOMetadata imageMetaData = reader.getImageMetadata(0);
  String metaFormatName = imageMetaData.getNativeMetadataFormatName();

  // Find out if GIF is bugged
  boolean foundBug = false;
  for (int i = 0; i < numImages && !foundBug; i++) {
      // Get metadata
      IIOMetadataNode root = (IIOMetadataNode)reader.getImageMetadata(i).getAsTree(metaFormatName);

      // Find GraphicControlExtension node
      int nNodes = root.getLength();
      for (int j = 0; j < nNodes; j++) {
          org.w3c.dom.Node node = root.item(j);
          if (node.getNodeName().equalsIgnoreCase("GraphicControlExtension")) {
              // Get delay value
              String delay = ((IIOMetadataNode)node).getAttribute("delayTime");

              // Check if delay is bugged
              if (Integer.parseInt(delay) == 0) {
                  foundBug = true;
              }

              break;
          }
      }
  }

  if (loadBufferedImageFixingGIFs_debug) print("loadBufferedImageFixingGIFs" + ": " + f2s(file) + " foundBug=" + foundBug);
  
  // Load non-bugged GIF the normal way
  Image image;
  if (!foundBug) {
    image = Toolkit.getDefaultToolkit().createImage(f2s(file));
  } else {
    // Prepare streams for image encoding
    ByteArrayOutputStream baoStream = new ByteArrayOutputStream();
    {
       ImageOutputStream ios = ImageIO.createImageOutputStream(baoStream); try {
      // Get GIF writer that's compatible with reader
      ImageWriter writer = ImageIO.getImageWriter(reader);
      // Give it the stream to encode to
      writer.setOutput(ios);

      writer.prepareWriteSequence(null);

      for (int i = 0; i < numImages; i++) {
          // Get input image
          BufferedImage frameIn = reader.read(i);

          // Get input metadata
          IIOMetadataNode root = (IIOMetadataNode)reader.getImageMetadata(i).getAsTree(metaFormatName);

          // Find GraphicControlExtension node
          int nNodes = root.getLength();
          for (int j = 0; j < nNodes; j++) {
              org.w3c.dom.Node node = root.item(j);
              if (node.getNodeName().equalsIgnoreCase("GraphicControlExtension")) {
                  // Get delay value
                  String delay = ((IIOMetadataNode)node).getAttribute("delayTime");

                  // Check if delay is bugged
                  if (Integer.parseInt(delay) == 0) {
                      // Overwrite with a valid delay value
                      ((IIOMetadataNode)node).setAttribute("delayTime", "10");
                  }

                  break;
              }
          }

          // Create output metadata
          IIOMetadata metadata = writer.getDefaultImageMetadata(new ImageTypeSpecifier(frameIn), null);
          // Copy metadata to output metadata
          metadata.setFromTree(metadata.getNativeMetadataFormatName(), root);

          // Create output image
          IIOImage frameOut = new IIOImage(frameIn, null, metadata);

          // Encode output image
          writer.writeToSequence(frameOut, writer.getDefaultWriteParam());
      }

      writer.endWriteSequence();
    } finally { _close(ios); }}

    // Create image using encoded data
    byte[] data = baoStream.toByteArray();
    setVar(loadBufferedImageFixingGIFs_output.get(), data);
    if (loadBufferedImageFixingGIFs_debug) print("Data size: " + l(data));
    image = Toolkit.getDefaultToolkit().createImage(data);
  }

  return image;
} catch (Exception __e) { throw rethrow(__e); } }




static Map<JFrame, Boolean> myFrames_list = weakHashMap();

static List<JFrame> myFrames() {
  return swing(new F0<List<JFrame>>() { public List<JFrame> get() { try {  return keysList(myFrames_list);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret keysList(myFrames_list);"; }});
}

static <A> IterableIterator<A> iteratorFromFunction_withEndMarker_f0(final F0<A> f) {
  class IFF2 extends IterableIterator<A> {
    A a;
    boolean have, done;
    
    public boolean hasNext() {
      getNext();
      return !done;
    }
    
    public A next() {
      getNext();
      if (done) throw fail();
      A _a = a;
      a = null;
      have = false;
      return _a;
    }
    
    void getNext() {
      if (done || have) return;
      Object o = f.get();
      if (o == iteratorFromFunction_endMarker)
        { done = true; return; }
      a = (A) o;
      have = true;
    }
  };
  return new IFF2();
}
static <A, B> Map<A, B> weakHashMap() {
  return newWeakHashMap();
}
static String fromUTF8(byte[] bytes) {
  return fromUtf8(bytes);
}
static File remoteMechListMirrorsDir() {
  return javaxDataDir("Remote Mech Lists");
}
static Object[] muricaCredentialsPlus(Object... params) {
  return concatArrays(muricaCredentials(), params);
}
static String md5OrNull(String s) {
  return s == null ? null : md5(s);
}
static String postPageSilently(String url, Object... params) {
  return doPostSilently(litmap(params), url);
}
static Map jsonDecodeMap(String s) {
  Object o = jsonDecode(s);
  if (o instanceof List && empty((List) o))
    return new HashMap();
  if (o instanceof Map)
    return (Map) o;
  else
    throw fail("Not a JSON map: " + s);
}
static File remoteMechListMirrorMetaFile(String listName) {
  return javaxDataDir("Remote Mech Lists/" + uniqueFileNameUsingMD5_80_v2(upper(listName)) + ".meta");
}
static <A, B> Map<A, B> getMultipleKeys(Map<A, B> map, A... keys) {
  Map<A, B> map2 = similarEmptyMap(map);
  if (map != null) for (A key : keys)
    map2.put(key, map.get(key));
  return map2;
}
static File remoteMechListMirrorNameFile(String listName) {
  return javaxDataDir("Remote Mech Lists/" + uniqueFileNameUsingMD5_80_v2(upper(listName)) + ".name");
}
static int countLines(String s) {
  return l(toLines(s)); // yeah could be optimized :-)
}
static File localMechListFile(String listName) {
  return newFile(localMechListsDir(), uniqueFileNameUsingMD5_80_v2(listName) + ".text");
}
static String htmlencode_forParams(String s) {
  if (s == null) return "";
  StringBuilder out = new StringBuilder(Math.max(16, s.length()));
  for (int i = 0; i < s.length(); i++) {
      char c = s.charAt(i);
      /*if (c >= 0x100)
        out.append("&#x").append(charToHex(c)).append(';');
      else*/ if (c > 127 || c == '"' || c == '<' || c == '>') {
          out.append("&#");
          out.append((int) c);
          out.append(';');
      } else
          out.append(c);
  }
  return out.toString();
}
static int roundDownTo(int n, int x) {
  return x/n*n;
}

static long roundDownTo(long n, long x) {
  return x/n*n;
}
static List<String> jsonTok(String s) {
  List<String> tok = new ArrayList();
  int l = l(s);
  
  int i = 0;
  while (i < l) {
    int j = i;
    char c; String cc;
    
    // scan for whitespace
    while (j < l) {
      c = s.charAt(j);
      cc = s.substring(j, Math.min(j+2, l));
      if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
        ++j;
      else if (cc.equals("/*")) {
        do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
        j = Math.min(j+2, l);
      } else if (cc.equals("//")) {
        do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
      } else
        break;
    }
    
    tok.add(s.substring(i, j));
    i = j;
    if (i >= l) break;
    c = s.charAt(i); // cc is not needed in rest of loop body

    // scan for non-whitespace (json strings, "null" identifier, numbers. everything else automatically becomes a one character token.)
    if (c == '\'' || c == '"') {
      char opener = c;
      ++j;
      while (j < l) {
        if (s.charAt(j) == opener) {
          ++j;
          break;
        } else if (s.charAt(j) == '\\' && j+1 < l)
          j += 2;
        else
          ++j;
      }
    } else if (Character.isLetter(c))
      do ++j; while (j < l && Character.isLetter(s.charAt(j)));
    else if (Character.isDigit(c))
      do ++j; while (j < l && Character.isDigit(s.charAt(j)));
    else
      ++j;

    tok.add(s.substring(i, j));
    i = j;
  }
  
  if ((tok.size() % 2) == 0) tok.add("");
  return tok;
}

static Object[] concatArrays(Object[]... arrays) {
  int l = 0;
  for (Object[] a : arrays) l += l(a);
  Object[] x = new Object[l];
  int i = 0;
  for (Object[] a : arrays) if (a != null) {
    System.arraycopy(a, 0, x, i, l(a));
    i += l(a);
  }
  return x;
}

static String dollarVarsToStars(String s) {
  return dollarVarsToStars(s, null);
}

static String dollarVarsToStars(String s, List<String> varNames_out) {
  List<String> tok = javaTok(s);
  for (int i = 1; i < l(tok); i += 2) {
    String t = tok.get(i);
    if (isDollarVar(t)) {
      listAdd(varNames_out, t);
      tok.set(i, "*");
    } else if (eq(t, "*"))
      listAdd(varNames_out, "*");
  }
  return join(tok);
}


static Producer<String> javaTokC_iterator(final String s) {
  return new Producer<String>() {
    final int l = s.length();
    int i = 0;
    
    public String next() {
      if (i >= l) return null;
      
      int j = i;
      char c, d;
      
      // scan for whitespace
      while (j < l) {
        c = s.charAt(j);
        d = j+1 >= l ? '\0' : s.charAt(j+1);
        if (c == ' ' || c == '\t' || c == '\r' || c == '\n')
          ++j;
        else if (c == '/' && d == '*') {
          do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/"));
          j = Math.min(j+2, l);
        } else if (c == '/' && d == '/') {
          do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0);
        } else
          break;
      }
      
      i = j;
      if (i >= l) return null;
      c = s.charAt(i);
      d = i+1 >= l ? '\0' : s.charAt(i+1);
  
      // scan for non-whitespace
      if (c == '\'' || c == '"') {
        char opener = c;
        ++j;
        while (j < l) {
          if (s.charAt(j) == opener || s.charAt(j) == '\n') { // end at \n to not propagate unclosed string literal errors
            ++j;
            break;
          } else if (s.charAt(j) == '\\' && j+1 < l)
            j += 2;
          else
            ++j;
        }
      } else if (Character.isJavaIdentifierStart(c))
        do ++j; while (j < l && (Character.isJavaIdentifierPart(s.charAt(j)) || "'".indexOf(s.charAt(j)) >= 0)); // for stuff like "don't"
      else if (Character.isDigit(c)) {
        do ++j; while (j < l && Character.isDigit(s.charAt(j)));
        if (j < l && s.charAt(j) == 'L') ++j; // Long constants like 1L
      } else if (c == '[' && d == '[') {
        do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
        j = Math.min(j+2, l);
      } else if (c == '[' && d == '=' && i+2 < l && s.charAt(i+2) == '[') {
        do ++j; while (j+2 < l && !s.substring(j, j+3).equals("]=]"));
        j = Math.min(j+3, l);
      } else
        ++j;
        
      String t = quickSubstring(s, i, j);
      i = j;
      return t;
    }
  };
}

static F1 mainFunctionToF1(final String fname) {
  return new F1<Object, Object>() { public Object get(Object a) { try {  return callMC(fname, a);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "callMC(fname, a)"; }};
}
static boolean hasLettersAllUpperCase(String s) {
  return hasLetters(s) && !containsLowerCase(s);
}
static Rect rect(int x, int y, int w, int h) {
  return new Rect(x, y, w, h);
}


static boolean jInternalFrame_iconifiable = true;

static JInternalFrame jInternalFrame() {
  return jInternalFrame("");
}

static JInternalFrame jInternalFrame(final String title) {
  return swing(new F0<JInternalFrame>() { public JInternalFrame get() { try { 
    JInternalFrame f = new JInternalFrame(title, true, true, true, jInternalFrame_iconifiable);
    f.setVisible(true);
    return f;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JInternalFrame f = new JInternalFrame(title, true, true, true, jInternalFrame..."; }});
}
static void setInternalFrameContents(final Component c, final Object contents) {
  { swing(new Runnable() {  public void run() { try { 
    JInternalFrame frame = getInternalFrame(c);
    if (frame == null) return;
    frame.getContentPane().removeAll();
    frame.getContentPane().setLayout(new BorderLayout());
    if (contents != null) frame.getContentPane().add(wrap(contents));
    revalidate(frame);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "JInternalFrame frame = getInternalFrame(c);\r\n    if (frame == null) return;\r\n..."; }}); }
}
static <A extends Component> A setBounds(final int x, final int y, final int w, final int h, final A a) {
  if (a != null) { swing(new Runnable() {  public void run() { try { 
    a.setBounds(x, y, w, h);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "a.setBounds(x, y, w, h);"; }}); }
  return a;
}

static <A extends Component> A setBounds(A a, Rect r) {
  if (a != null && r != null) { swing(new Runnable() {  public void run() { try { 
    a.setBounds(toRectangle(r));
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "a.setBounds(toRectangle(r));"; }}); }
  return a;
}

static <A extends Component> A setBounds(Rect r, A a) {
  return setBounds(a, r);
}

static <A extends Component> A setBounds(A a, int x, int y, int w, int h) {
  return setBounds(x, y, w, h, a);
}
static void internalFrameDefaultPosition(JInternalFrame f) {
  f.setSize(500, 300);
  centerInternalFrame(f);
}
static int fixInternalFrame_borderTopLeft = 0;
static int fixInternalFrame_borderBottomRight = 40; // for title bar

static JInternalFrame fixInternalFrame(final JInternalFrame f) {
  return swing(new F0<JInternalFrame>() { public JInternalFrame get() { try { 
    Container c = f.getParent();
    if (c == null) return f;
    Rect r = toRect(f.getBounds());
    int a = fixInternalFrame_borderTopLeft, b = fixInternalFrame_borderBottomRight;
    Rect outer = new Rect(a, a, c.getWidth()-b, c.getHeight()-b);
    if (!rectContains(outer, r))
      f.setLocation(
        max(a, min(r.x, outer.x2())),
        max(a, min(r.y, outer.y2())));
    if (r.w > c.getWidth() || r.h > c.getHeight())
      f.setSize(c.getWidth()-a, c.getHeight()-a);
    return f;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "Container c = f.getParent();\r\n    if (c == null) ret f;\r\n    Rect r = toRect(..."; }});
}

static int getScreenWidth() {
  return getScreenSize().width;
}
static int getScreenHeight() {
  return getScreenSize().height;
}
static String makeFrame_defaultIcon;
static boolean makeFrame_hideConsole = false;
static ThreadLocal<VF1<JFrame>> makeFrame_post = new ThreadLocal();

static JFrame makeFrame() {
  return makeFrame((Component) null);
}

static JFrame makeFrame(Object content) {
  return makeFrame(programTitle(), content);
}

static JFrame makeFrame(String title) {
  return makeFrame(title, null);
}

static JFrame makeFrame(String title, Object content) {
  return makeFrame(title, content, true);
}

static JFrame makeFrame(final String title, final Object content, final boolean showIt) {
  final VF1<JFrame> post = optParam(makeFrame_post);
  return swing(new F0<JFrame>() { public JFrame get() { try { 
    if (getFrame(content) != null)
      return getFrame(setFrameTitle((Component) content, title));
    final JFrame frame = new JFrame(title);
    if (makeFrame_defaultIcon != null)
      setFrameIconLater(frame, makeFrame_defaultIcon);
    _initFrame(frame);
    Component wrapped = wrap(content);
    if (wrapped != null)
      frame.getContentPane().add(wrapped);
    frame.setBounds(defaultNewFrameBounds());
    
    callF(post, frame);
    
    if (showIt)
      frame.setVisible(true);
    //callOpt(content, "requestFocus");
    //exitOnFrameClose(frame);
    
    if (showIt && makeFrame_hideConsole) {
      hideConsole();
      makeFrame_hideConsole = false;
    }
    
    return frame;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "if (getFrame(content) != null)\r\n      ret getFrame(setFrameTitle((Component) ..."; }});
}
static boolean frameTooSmall(JFrame frame) {
  return frame.getWidth() < 100 || frame.getHeight() < 50;
}
static void frameStandardSize(JFrame frame) {
  frame.setBounds(300, 100, 500, 400);
}
static void setFrameContents(final Component c, final Object contents) { swing(new Runnable() {  public void run() { try { 
  JFrame frame = getFrame(c);
  if (frame == null) return;
  frame.getContentPane().removeAll();
  frame.getContentPane().setLayout(new BorderLayout());
  frame.getContentPane().add(wrap(contents));
  revalidate(frame);

} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "JFrame frame = getFrame(c);\r\n  if (frame == null) return;\r\n  frame.getContent..."; }}); }
static <A extends Component> A _recordNewSwingComponent(A c) {
  if (c != null)
    callF((Object) vm_generalMap_get("newSwingComponentRegistry"), (Object) c);
  return c;
}
static JComponent componentToJComponent(Component c) {
  if (c instanceof JComponent) return (JComponent) c;
  if (c instanceof JFrame) return ((JFrame) c).getRootPane();
  if (c == null) return null;
  throw fail("boohoo " + getClassName(c));
}

static boolean containsNulls(Collection c) {
  return contains(c, null);
}
static <A> void scanForComponents(final Component c, final Class<A> theClass, final List<A> l) {
  if (theClass.isInstance(c))
    l.add((A) c);
  if (c instanceof Container) { swing(new Runnable() {  public void run() { try { 
    for (Component comp : ((Container) c).getComponents())
      scanForComponents(comp, theClass, l);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "for (Component comp : ((Container) c).getComponents())\r\n      scanForComponen..."; }}); }
}
static <A> A childOfType(Component c, Class<A> theClass) {
  return first(childrenOfType(c, theClass));
}

static <A> A childOfType(Class<A> theClass, Component c) {
  return childOfType(c, theClass);
}
static File standardLogFile() {
  return getProgramFile("log");
}
static void enableWordWrapForTextArea(JTextArea ta) {
  enableWordWrapForTextArea(ta, true);
}

static void enableWordWrapForTextArea(JTextArea ta, boolean enabled) {
  if (ta != null) { swing(new Runnable() {  public void run() { try { 
    ta.setLineWrap(enabled);
    ta.setWrapStyleWord(true);
    // Haven't found a way to reliable enable word-wrapping for
    // an already visible text area
    //revalidate(enclosingScrollPane(ta));
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "ta.setLineWrap(enabled);\r\n    ta.setWrapStyleWord(true);\r\n    // Haven't foun..."; }}); }
}
static JTextArea jtextarea() {
  return jTextArea();
}

static JTextArea jtextarea(String text) {
  return jTextArea(text);
}
static byte[] isGIF_magic = bytesFromHex("47494638"); // Actual signature is longer, but we're lazy

static boolean isGIF(byte[] data) {
  return byteArrayStartsWith(data, isGIF_magic);
}

static boolean isGIF(File f) {
  return isGIF(loadBeginningOfBinaryFile(f, l(isGIF_magic)));
}
static <A> void setVar(IVar<A> v, A value) {
  if (v != null) v.set(value);
}


static <A, B> List<A> keysList(Map<A, B> map) {
  return cloneListSynchronizingOn(keys(map), map);
}


static String doPostSilently(Map urlParameters, String url) {
  return doPostSilently(makePostData(urlParameters), url);
}

static String doPostSilently(String urlParameters, String url) {
  doPost_silently.set(true);
  return doPost(urlParameters, url);
}
static File localMechListsDir() {
  return javaxDataDir("Mech Lists");
}
static <A> void listAdd(Collection<A> c, A a) {
  if (c != null) c.add(a);
}
static boolean hasLetters(String s) {
  for (int i = 0; i < s.length(); i++)
    if (Character.isLetter(s.charAt(i)))
      return true;
  return false;
}
static boolean containsLowerCase(String s) {
  for (int i = 0; i < l(s); i++)
    if (isLowerCase(s.charAt(i)))
      return true;
  return false;
}
static Rectangle toRectangle(Rect r) {
  return r == null ? null : r.getRectangle();
}


static Rect toRect(Rectangle r) {
  return r == null ? null : new Rect(r);
}

static Rect toRect(RectangularShape r) {
  return r == null ? null : toRect(r.getBounds());
}



static Rect toRect(Rect r) { return r; }
static boolean rectContains(int x1, int y1, int w, int h, Pt p) {
  return p.x >= x1 && p.y >= y1 && p.x < x1+w && p.y < y1+h;
}

static boolean rectContains(Rect a, Rect b) {
  return b.x >= a.x && b.y >= a.y && b.x2() <= a.x2() && b.y2() <= a.y2();
}

static boolean rectContains(Rect a, int x, int y) {
  return a != null && a.contains(x, y);
}
static String programTitle() {
  return getProgramName();
}
static JFrame setFrameIconLater(Component c, final String imageID) {
  final JFrame frame = getFrame(c);
  if (frame != null)
    startThread("Loading Icon", new Runnable() {  public void run() { try {    
      final Image i = imageIcon(or2(imageID, "#1005557")).getImage();
      swingLater(new Runnable() {  public void run() { try { 
        frame.setIconImage(i);
      
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "frame.setIconImage(i);"; }});
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "final Image i = imageIcon(or2(imageID, \"#1005557\")).getImage();\r\n      swingL..."; }});
  return frame;
}
static void _initFrame(JFrame f) {
  myFrames_list.put(f, Boolean.TRUE);
  standardTitlePopupMenu(f);
}
static Rectangle defaultNewFrameBounds_r = new Rectangle(300, 100, 500, 400);

static Rectangle defaultNewFrameBounds() {
  return swing(new F0<Rectangle>() { public Rectangle get() { try { 
    defaultNewFrameBounds_r.translate(60, 20);
    if (!screenRectangle().contains(defaultNewFrameBounds_r))
      defaultNewFrameBounds_r.setLocation(30+random(30), 20+random(20));
    return new Rectangle(defaultNewFrameBounds_r);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "defaultNewFrameBounds_r.translate(60, 20);\r\n    if (!screenRectangle().contai..."; }});
}
static void hideConsole() {
  final JFrame frame = consoleFrame();
  if (frame != null) {
    autoVMExit();
    swingLater(new Runnable() {  public void run() { try { 
      frame.setVisible(false);
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "frame.setVisible(false);"; }});
  }
}
static JTextArea jTextArea() {
  return jTextArea("");
}

static JTextArea jTextArea(final String text) {
  return jTextAreaWithUndo(text);
}
static byte[] bytesFromHex(String s) {
  return hexToBytes(s);
}
static boolean byteArrayStartsWith(byte[] a, byte[] b) {
  if (a == null || b == null) return false;
  if (a.length < b.length) return false;
  for (int i = 0; i < b.length; i++)
    if (a[i] != b[i])
      return false;
  return true;
}
static byte[] loadBeginningOfBinaryFile(File file, int maxBytes) {
  return loadBinaryFilePart(file, 0, maxBytes);
}


static boolean isLowerCase(char c) {
  return Character.isLowerCase(c);
}
static void standardTitlePopupMenu(final JFrame frame) {
  // standard right-click behavior on titles
  if (!isSubstanceLAF()) return;
  titlePopupMenu(frame, new VF1<JPopupMenu>() { public void get(JPopupMenu menu) { try { 
    boolean alwaysOnTop = frame.isAlwaysOnTop();
    
      menu.add(jmenuItem("Restart Program", "restart"));
      menu.add(jmenuItem("Duplicate Program", "duplicateThisProgram"));
    
    menu.add(jmenuItem("Show Console", "showConsole"));
    menu.add(jCheckBoxMenuItem("Always On Top", alwaysOnTop, new Runnable() {  public void run() { try {  toggleAlwaysOnTop(frame) ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "toggleAlwaysOnTop(frame)"; }}));
    /*ifndef standardTitlePopupMenu_noShootWindow
      { menu.add(jMenuItem("Shoot Window", r { shootWindowGUI_external(frame, 500) })); }
    endifndef*/
    //addMenuItem(menu, "Bigger fonts", f swingBiggerFonts);
    //addMenuItem(menu, "Smaller fonts", f swingSmallerFonts);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "bool alwaysOnTop = frame.isAlwaysOnTop();\r\n    ifndef standardTitlePopupMenu_..."; }});
}

static Rectangle screenRectangle() {
  return new Rectangle(Toolkit.getDefaultToolkit().getScreenSize());
}

static Rectangle screenRectangle(GraphicsDevice device) {
  if (device == null) return null;
  DisplayMode mode = device.getDisplayMode();
  return new Rectangle(0, 0, mode.getWidth(), mode.getHeight());
}

static JFrame consoleFrame() {
  return (JFrame) getOpt(get(getJavaX(), "console"), "frame");
}
static void autoVMExit() {
  call(getJavaX(), "autoVMExit");
}
static JTextArea jTextAreaWithUndo() {
  return jTextAreaWithUndo("");
}

static JTextArea jTextAreaWithUndo(final String text) {
  return jenableUndoRedo(swingNu(JTextArea.class, text));
}
static byte[] loadBinaryFilePart(File file, long start, long end) { try {
  RandomAccessFile raf = new RandomAccessFile(file, "r");
  int n = toInt(min(raf.length(), end-start));
  byte[] buffer = new byte[n];
  try {
    raf.seek(start);
    raf.readFully(buffer, 0, n);
    return buffer;
  } finally {
    raf.close();
  }
} catch (Exception __e) { throw rethrow(__e); } }


static void duplicateThisProgram() {
  nohupJavax(trim(programID() + " " + smartJoin((String[]) get(getJavaX(), "fullArgs"))));
}
static void showConsole() {
  callOpt(get(javax(), "console"), "showConsole");
}
static boolean isSubstanceLAF() {
  return substanceLookAndFeelEnabled();
}
// menuMaker = voidfunc(JPopupMenu)
// return true if menu could be added
static boolean titlePopupMenu(final Component c, final Object menuMaker) {
  JComponent titleBar = getTitlePaneComponent(getPossiblyInternalFrame(c));
  if (titleBar == null)
    { print("Can't add title right click!"); return false; }
  else
    { componentPopupMenu(titleBar, menuMaker); return true; }
}
static void toggleAlwaysOnTop(JFrame frame) {
  frame.setAlwaysOnTop(!frame.isAlwaysOnTop());
}


static void nohupJavax(final String javaxargs) {
  { startThread(new Runnable() {  public void run() { try {  call(hotwireOnce("#1008562"), "nohupJavax", javaxargs); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "call(hotwireOnce(\"#1008562\"), \"nohupJavax\", javaxargs);"; }}); }
}

static void nohupJavax(final String javaxargs, final String vmArgs) {
  { startThread(new Runnable() {  public void run() { try {  call(hotwireOnce("#1008562"), "nohupJavax", javaxargs, vmArgs); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "call(hotwireOnce(\"#1008562\"), \"nohupJavax\", javaxargs, vmArgs);"; }}); }
}
// Try to get the quoting right...

static String smartJoin(String[] args) {
  if (empty(args)) return "";
  if (args.length == 1) return args[0];
  
  String[] a = new String[args.length];
  for (int i = 0; i < a.length; i++)
    a[i] = !isJavaIdentifier(args[i]) && !isQuoted(args[i]) ? quote(args[i]) : args[i];
  return join(" ", a);
}

static String smartJoin(List<String> args) {
  return smartJoin(toStringArray(args));
}
static boolean substanceLookAndFeelEnabled() {
  return startsWith(getLookAndFeel(), "org.pushingpixels.");
}
static JComponent getTitlePaneComponent(RootPaneContainer window) {
  if (window instanceof JInternalFrame)
	  return getInternalFrameTitlePaneComponent((JInternalFrame) window);
	  
  if (!substanceLookAndFeelEnabled() || window == null) return null;
	JRootPane rootPane = window.getRootPane();
	if (rootPane != null) {
		Object /*SubstanceRootPaneUI*/ ui = rootPane.getUI();
		return (JComponent) call(ui, "getTitlePane");
	}
	return null;
}


static Class hotwireOnce(String programID) {
  return hotwireCached(programID, false);
}
static String getLookAndFeel() {
  return getClassName(UIManager.getLookAndFeel());
}


static TreeMap<String, Class> hotwireCached_cache = new TreeMap();
static Lock hotwireCached_lock = lock();

static Class hotwireCached(String programID) {
  return hotwireCached(programID, true);
}

static Class hotwireCached(String programID, boolean runMain) {
  return hotwireCached(programID, runMain, false);
}

static Class hotwireCached(String programID, boolean runMain, boolean dependent) {
  Lock __0 = hotwireCached_lock; lock(__0); try {
  
  programID = formatSnippetID(programID);
  Class c = hotwireCached_cache.get(programID);
  if (c == null) {
    c = hotwire(programID);
    if (dependent)
      makeDependent(c);
    if (runMain)
      callMain(c);
    hotwireCached_cache.put(programID, c);
  }
  return c;
} finally { unlock(__0); } }


static Object makeDependent_postProcess;

static void makeDependent(Object c) {
  if (c == null) return;
  assertTrue("Not a class", c instanceof Class);
  dependentClasses(); // cleans up the list
  hotwire_classes.add(new WeakReference(c));
  
  Object local_log = getOpt(mc(), "local_log");
  if (local_log != null)
    setOpt(c, "local_log", local_log);
    
  /*if (isTrue(getOpt(c, 'ping_actions_shareable)))
    setOpt(c, +ping_actions);*/
    
  Object print_byThread = getOpt(mc(), "print_byThread");
  if (print_byThread != null)
    setOpt(c, "print_byThread", print_byThread);
    
  callF(makeDependent_postProcess, c);
}



static List<Class> dependentClasses() {
  return cleanUpAndGetWeakReferencesList(hotwire_classes);
}


static List<WeakReference<Class>> hotwire_classes = synchroList();

static Class<?> hotwireDependent(String src) {
  Class c = hotwire(src);
  makeDependent(c);
  return c;
}

static <A> List<A> cleanUpAndGetWeakReferencesList(List<WeakReference<A>> l) {
  if (l == null) return null;
  synchronized(l) {
    List<A> out = new ArrayList();
    for (int i = 0; i < l(l); i++) {
      A a = l.get(i).get();
      if (a == null)
        l.remove(i--);
      else
        out.add(a);
    }
    return out;
  }
}


static abstract class VF3<A, B, C> {
  abstract void get(A a, B b, C c);
}static abstract class VF2<A, B> {
  abstract void get(A a, B b);
}static class JSection extends SingleComponentPanel {
  JSection(Component c) { super(c); }
  
  String getTitle() {
    Border border = getBorder();
    if (border instanceof TitledBorder)
      return ((TitledBorder) border).getTitle();
    return null;
  }
}
static class LinkedTreeSet<A> extends AbstractSet<A> {
  Set<A> set;
  LinkedList<A> list = new LinkedList();
  
  LinkedTreeSet() { set = new TreeSet(); }
  LinkedTreeSet(Set<A> set) {
  this.set = set;}

  public int size() { return list.size(); }
  public Iterator<A> iterator() { return list.iterator(); }
  public boolean contains(Object o) { return set.contains(o); }
  
  public boolean add(A a) {
    if (!set.add(a)) return false;
    { list.add(a); return true; }
  }
  
  // TODO: optimize
  public boolean remove(Object o) {
    if (!set.remove(o)) return false;
    { list.remove(o); return true; }
  }
}
static abstract class LiveValue<A> {
  abstract Class<A> getType();
  abstract A get();
  abstract void onChange(Runnable l);
  abstract void removeOnChangeListener(Runnable l);
  
  void onChangeAndNow(Runnable l) {
    onChange(l);
    callF(l);
  }
}static class Dyn_FieldWatcher {
  DynModule module;
  String field;
  Object value;
  Runnable action;
  
  transient  IF1<Object, Object> cloneValue;
Object cloneValue(Object o) { return cloneValue != null ? cloneValue.get(o) : cloneValue_base(o); }
final Object cloneValue_fallback(IF1<Object, Object> _f, Object o) { return _f != null ? _f.get(o) : cloneValue_base(o); }
Object cloneValue_base(Object o) { return o; }
  
  Dyn_FieldWatcher(DynModule module, String field, Runnable action) {
    this(module, field, action, null);
  }
  
  Dyn_FieldWatcher(DynModule module, String field, Runnable action, IF1 cloneValue) {
  this.cloneValue = cloneValue;
  this.action = action;
  this.field = field;
  this.module = module;
    value = cloneValue(get(module, field));
    
    // Let's do both for safety
    module.onChange(new Runnable() {  public void run() { try {  check(); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "check();"; }});
    module.onFieldChange(new VF1<String>() { public void get(String f) { try { 
      if (eq(f, field))
        check();
     } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "if (eq(f, field))\r\n        check();"; }});
  }
  
  void check() {
    Object newValue = cloneValue(get(module, field));
    if (eq(value, newValue)) return;
    value = newValue;
    dm_q(module, action);
  }
}static abstract class F2<A, B, C> {
  abstract C get(A a, B b);
}static class CancelPoint implements AutoCloseable {
  volatile boolean closed = false;
  
  public void close() { closed = true; }
}static class BetterLabel extends JLabel {
  boolean autoToolTip = true;
  
  BetterLabel() {
    // Listeners given out to componentPopupMenu must not directly
    // reference the outer object (-> weak map problem).
    final WeakReference < BetterLabel > me = new WeakReference<>(this);
    componentPopupMenu(this, BetterLabel_menuItems(me));
  }
  
  BetterLabel(String text) {
    this();
    this.setText(text);
  }
  
  public void setText(String text) {
    super.setText(text);
    if (autoToolTip)
      if (!swic(text, "<html>")) // HTML labels make super-huge, confusing tool tips
        setToolTipText(nullIfEmpty(text));
  }
}

// moved outside of class for GC reasons (see above)
static VF1<JPopupMenu> BetterLabel_menuItems(final WeakReference<BetterLabel> me) {
  return new VF1<JPopupMenu>() { public void get(JPopupMenu menu) { try { 
    addMenuItem(menu, "Copy text to clipboard", new Runnable() {  public void run() { try { 
      copyTextToClipboard(me.get().getText());
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "copyTextToClipboard(me.get().getText());"; }});
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "addMenuItem(menu, \"Copy text to clipboard\", r {\r\n      copyTextToClipboard(me..."; }};
}static class CancelToCancelPoint extends QuickException {
  CancelPoint cp;
  
  CancelToCancelPoint(CancelPoint cp) {
  this.cp = cp;}
}static class ExpiringMap2<A, B> extends AbstractMap<A, B> {
  Map<A, Pair<Long, B>> byKey = new HashMap();      // key -> pair(expiry sys time, value)
  PriorityBlockingQueue<Pair<Long, A>> queue = new PriorityBlockingQueue(); // queue(pair(expiry sys time, key))
  long standardExpiryTime; // ms
  boolean renewOnOverwrite = true, renewOnGet;
  Object onChange;
  // new RestartableCountdown countdown; // TODO
  
  ExpiringMap2() {}
  ExpiringMap2(long standardExpiryTime) {
  this.standardExpiryTime = standardExpiryTime;}
  ExpiringMap2(long standardExpiryTime, Object onChange) {
  this.onChange = onChange;
  this.standardExpiryTime = standardExpiryTime;}
  
  synchronized boolean clean() {
    boolean changes = false;
    Pair<Long, A> p;
    while ((p = queue.peek()) != null && sysTime() >= p.a) {
      p = queue.poll();
      
      Pair<Long, B> v = byKey.get(p.b);
      if (v != null /*&& v.a == p.a*/) {
        
        byKey.remove(p.b);
        changes = true;
        change();
      }
    }
    return changes;
  }
  
  void change() { callF(onChange); }
  
  synchronized public B put(A a, B b) {
    clean();
    long timeout = sysTime()+standardExpiryTime;
    Pair<Long, B> p = byKey.get(a);
    if (p != null && renewOnOverwrite)
      queue.remove(new Pair(p.a, a));
    byKey.put(a, pair(timeout, b));
    change();
    if (p == null || renewOnOverwrite)
      queue.add(new Pair(timeout, a));
    return pairB(p);
  }
  
  synchronized public B remove(Object a) {
    clean();
    Pair<Long, B> p = byKey.get(a);
    if (p == null) return null;
    queue.remove(new Pair(p.a, a));
    byKey.remove(a);
    change();
    return p.b;
  }
  
  synchronized public B get(Object a) {
    clean();
    Pair<Long, B> p = byKey.get(a);
    if (renewOnGet && p != null) {
      queue.remove(new Pair(p.a, a));
      long timeout = sysTime()+standardExpiryTime;
      byKey.put((A) a, pair(timeout, p.b));
      queue.add(new Pair(timeout, a));
    }
    return pairB(p);
  }
  
  synchronized public Set<Map.Entry<A,B>> entrySet() {
    clean();
    // TODO: mutex
    return synchronizedSet(mapValues("pairB", byKey).entrySet());
  }
  
  synchronized public Set<A> keySet() {
    clean();
    return synchronizedSet(byKey.keySet());
  }
  
  synchronized public int size() {
    clean();
    return byKey.size();
  }
  
  void setStandardExpiryTime(long ms) { standardExpiryTime = ms; }
  
  synchronized ExpiringMap2<A, B> setMap(Map innerMap) {
    byKey = innerMap;
    return this;
  }
}
static class Lowest<A> {
  A best;
  double score;
  transient Object onChange;
  
  synchronized boolean isNewBest(double score) {
    return best == null || score < this.score;
  }
  
  synchronized double bestScore() {
    return best == null ? Double.NaN : score;
  }
  
  double score() { return bestScore(); }
  
  synchronized float floatScore() {
    return best == null ? Float.NaN : (float) score;
  }
  
  synchronized float floatScoreOr(float defaultValue) {
    return best == null ? defaultValue : (float) score;
  }
  
  boolean put(A a, double score) {
    boolean change = false;
    synchronized(this) {
      if (a != null && isNewBest(score)) {
        best = a;
        this.score = score;
        change = true;
      }
    }
    if (change)
      pcallF(onChange);
    return change;
  }
  
  synchronized void clear() { best = null; score = 0; }
  
  synchronized A get() { return best; }
  synchronized boolean has() { return best != null; }
  synchronized Pair<A, Double> pair() { return best == null ? null : new Pair(best, bestScore()); }
  
  public String toString() {
    return "Score " + formatDouble_significant2(score, 4) + ": " + best;
  }
}static interface IVF3<A, B, C> {
  void get(A a, B b, C c);
}static class BasicLogicRule<A> implements IFieldsToList, Transformable, Visitable{
  A lhs;
  A rhs;
  BasicLogicRule() {}
  BasicLogicRule(A lhs, A rhs) {
  this.rhs = rhs;
  this.lhs = lhs;}

public boolean equals(Object o) {
if (!(o instanceof BasicLogicRule)) return false;
    BasicLogicRule __0 =  (BasicLogicRule) o;
    return eq(lhs, __0.lhs) && eq(rhs, __0.rhs);
}

  public int hashCode() {
    int h = -1439627508;
    h = boostHashCombine(h, _hashCode(lhs));
    h = boostHashCombine(h, _hashCode(rhs));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {lhs, rhs}; }
public Object transformUsing(IF1 f) { return new BasicLogicRule((A) f.get(lhs), (A) f.get(rhs)); }
public void visitUsing(IVF1 f) { f.get(lhs); f.get(rhs); }

  Object trail;
    
  public String toString() {
    return lhs + " => " + rhs;
  }
  
  String render() { return toString(); }
}static class MechMode implements IFieldsToList{
  Object readMode;
  Object writeMode;
  MechMode() {}
  MechMode(Object readMode, Object writeMode) {
  this.writeMode = writeMode;
  this.readMode = readMode;}
  public String toString() { return shortClassName(this) + "(" + readMode + ", " + writeMode + ")"; }

public boolean equals(Object o) {
if (!(o instanceof MechMode)) return false;
    MechMode __1 =  (MechMode) o;
    return eq(readMode, __1.readMode) && eq(writeMode, __1.writeMode);
}

  public int hashCode() {
    int h = -866263200;
    h = boostHashCombine(h, _hashCode(readMode));
    h = boostHashCombine(h, _hashCode(writeMode));
    return h;
  }
  public Object[] _fieldsToList() { return new Object[] {readMode, writeMode}; }
}

static class QuickException extends RuntimeException {
  public Throwable fillInStackTrace() { return this; }
  
  QuickException() {}
  QuickException(Throwable e) { super(e); }
  QuickException(String msg) { super(msg); }
  QuickException(String msg, Throwable e) { super(msg, e); }
}static class SingleComponentPanel extends JPanel {
  SingleComponentPanel() { super(new BorderLayout()); }

  SingleComponentPanel(Component component) {
    this();
    if (component != null) setComponent(component);
  }

  void setComponent(final Component component) {
    { swing(new Runnable() {  public void run() { try { 
      removeAll();
      if (component != null)
        add(BorderLayout.CENTER, wrap(component));
      _revalidate(SingleComponentPanel.this);
    
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "removeAll();\r\n      if (component != null)\r\n        add(BorderLayout.CENTER, ..."; }}); }
  }
  
  // Sometimes we need this?
  void setComponentAndRevalidateParent(Component component) {
    setComponent(component);
    _revalidate(_getParent(this));
  }
  
  void noComponent() { setComponent(null); }
  
  Component getComponent() {
    return getComponentCount() == 0 ? null : getComponent(0);
  }
}

static <A, B> B pairB(Pair<A, B> p) {
  return p == null ? null : p.b;
}
static boolean allLinesAreUnindented(String text) {
  for (String s : lines(text))
    if (startsWithSpace(s))
      return false;
  return true;
}
static String withoutLinesEmptyAfterTrim(String text) {
  List<String> lines = filter(lines(text), s -> !emptyAfterTrim(s));
  return lines_possiblyRTrim(text, lines);
}
  
// leaves lines enclosed in brackets alone
static String autoUnindent_honoringBrackets(String s) {
  List<String> l = lines_honoringBrackets(s);
  if (empty(l)) return s;
  
  // find indent
  int n = Integer.MAX_VALUE;
  for (String line : l)
    n = min(n, getIndentOfLine(line));
  if (n == 0) return s;
  
  // unindent
  int _n = n;
  return lines_possiblyRTrim(s, map(l, line -> substring(line, _n)));
}
/* e.g.
  if (x exists):
    ask (what is x?)
  else:
    ask (does x exist?)
  => a list with two elements
  
  input has to be starting at column 1! (call autoUnindent if unsure)
*/
static List<String> groupPythonStyleIndents_honoringBrackets(String text) {
  List<String> lines = lines_honoringBrackets(text);
  List<String> out = new ArrayList();
  int startOfBlock = 0;
  for (int i = 0; i < l(lines); i++) {
    boolean indented = startsWithSpace(lines.get(i));
    if (!indented) {
      addIfNempty(out, lines_rtrim(subList(lines, startOfBlock, i)));
      startOfBlock = i;
    }
  }
  addIfNempty(out, lines_rtrim(subList(lines, startOfBlock)));
  return out;
}
static String deRoundBracket(String s) {
  if (startsWith(s, "(") && endsWith(s, ")"))
    return substring(s, 1, l(s)-1);
  return s;
}
static boolean eqGet(List l, int i, Object o) {
  return eq(get(l, i), o);
}

static <A, B> boolean eqGet(Map<A, B> map, A key, Object o) {
  return eq(mapGet(map, key), o);
}
public static String rtrim(String s) {
  if (s == null) return null;
  int i = s.length();
  while (i > 0 && " \t\r\n".indexOf(s.charAt(i-1)) >= 0)
    --i;
  return i < s.length() ? s.substring(0, i) : s;
}
// rtrims each item
static List<String> tok_splitAtEmptyLines(String s) {
  List<Integer> indices = new ArrayList();
  List<String> tok = javaTokWithAllBrackets_cached(s);
  List<String> out = new ArrayList();
  int start = 0;
  String spacing = "";
  for (int i = 2; i+1 < l(tok); i += 2) {
    int idx = indexOf_regexp(tok.get(i), "\r?\n\\s*\r?\n");
    if (idx < 0) continue;
    int idx2 = idx+1;
    if (tok.get(i).charAt(idx) == '\r') ++idx2;
    out.add(dropPrefix("\n", spacing + joinSubList(tok, start, i)));
    start = i+1;
    spacing = substring(tok.get(i), idx2); // TODO: not exact
  }
  if (start < l(tok))
    out.add(dropPrefix("\n", spacing + joinSubList(tok, start)));
  return out;
}
static String joinWithEmptyLines(Iterable<String> l) {
  return join("\n\n", map("rtrim",l));
}

static String joinWithEmptyLines(String... l) {
  return joinWithEmptyLines(asList(l));
}
static boolean isSingleLine(String s) {
  return !containsNewLine(s);
}
static <A> Pair<List<A>, List<A>> filterAntiFilter(Iterable<A> c, Object pred) {
  List<A> yes = new ArrayList();
  List<A> no = new ArrayList();
  if (c != null) for (A o : c)
    (isTrue(callF(pred, o)) ? yes : no).add(o);
  return pair(yes, no);
}

static <A> Pair<List<A>, List<A>> filterAntiFilter(Iterable<A> c, IF1<A, Boolean> pred) {
  return filterAntiFilter(c, (Object) pred);
}

static <A> Pair<List<A>, List<A>> filterAntiFilter(IF1<A, Boolean> pred, Iterable<A> c) {
  return filterAntiFilter(c, pred);
}

static <A> Pair<List<A>, List<A>> filterAntiFilter(Object pred, Iterable<A> c) {
  return filterAntiFilter(c, pred);
}
// currently collection and map only
static void pnlStruct(Object o) {
  if (o instanceof Collection) pnlStruct(((Collection) o));
  else if (o instanceof Map) pnlStruct(((Map) o));
  else if (o != null) pnlStruct(ll(o));
}

static <A, B extends Collection<A>> B pnlStruct(B l) {
  pnlStruct((Iterable<A>) l);
  return l;
}

static <A> Iterable<A> pnlStruct(Iterable<A> l) {
  return pnlStruct("", l);
}

static <A> Iterable<A> pnlStruct(String prefix, Iterable<A> l) {
  int i = 0;
  if (l != null) for (A a : l) print(prefix + (++i) + ". " + struct_noStringSharing(a));
  return l;
}

static <A> A[] pnlStruct(A[] l) {
  pnlStruct(asList(l));
  return l;
}

static <A, B> Map<A, B> pnlStruct(Map<A, B> map) {
  pnl(map(map, new F2<A, B, Object>() { public Object get(A a, B b) { try {  return sfu(a) + " = " + sfu(b);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "sfu(a) + \" = \" + sfu(b)"; }}));
  return map;
}
static GlobalID aGlobalIDObjUnlessLoading() {
  return dynamicObjectIsLoading() ? null : aGlobalIDObj();
}
static java.awt.Color colorFromHex(String hex) {
  return awtColor(hex);
}
static void vm_cleanPrints() {
  print_preprocess = new F1<String, String>() { public String get(String x) { try {  return vm_cleanForPrint(x);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "vm_cleanForPrint(x)"; }};
}
static boolean logModuleOutput_installed = false;

static void logModuleOutput() {
  if (logModuleOutput_installed) return;
  logModuleOutput_installed = true;
  final File logFile = getProgramFile("output.txt");
  final LineBuffer buf = new LineBuffer(new VF1<String>() { public void get(String line) { try { 
    appendToTextFile(logFile, "[" + localDateWithMilliseconds() + "] " + line + "\n");
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "appendToTextFile(logFile, \"[\" + localDateWithMilliseconds() + \"] \" + line + \"..."; }});
  
  print_forAllThreads(new VF1<String>() { public void get(String s) { try { 
    buf.append(s);
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "buf.append(s);"; }});
}

 // discord without opus/JNA

//static LS _stickyLibs_discordBot = ll(#1400215); // can cause loader constraint violations









static JDA discordBot(final VF1<MessageReceivedEvent> onMessage) {
  return discordBot(new ListenerAdapter() {
    @Override
    public void onMessageReceived(MessageReceivedEvent e) {
      if (e.getAuthor().isBot()) { print("  Msg from bot, skipping"); return; }
      pcallF(onMessage, e);
    }
  });
}

static JDA discordBot(ListenerAdapter listener, Object... __) { try {
  JDABuilder builder = new JDABuilder(AccountType.BOT);
  String token = stringPar("token",__);
  if (empty(token)) {
    File tokenFile = javaxSecretDir("discord-bot-token");
    token = assertNempty("Need: " + tokenFile, trim(loadTextFile(tokenFile)));
  }
  builder.setToken(token);
  builder.addEventListener(listener);
  JDA jda = builder.build();
  //jda.awaitSatus(JDA.Status.CONNECTED);
  jda.awaitReady();
  print("Started Discord bot (token: " + shorten(token, 7) + ")");
  return jda;
} catch (Exception __e) { throw rethrow(__e); } }
static Object[] litmapparams(Object... l) {
  return new Object[] { litmap(l) };
}
static DynModule dm_me() {
  return dm_current_mandatory();
}
static Object dm_discord_lineForMsgID_unimported(long msgID) {
  return dm_call(dm_gazelle_linesCRUD(), "lineForID", msgID);
}
static long discord_guildIDFromEvent_gen(Object event) {
  return rcall_long("getIdLong",rcall("getGuild",event));
}
static AutoCloseable dm_registerAs(String... msgs) {
  F0<String> f = new F0<String>() { public String get() { try {  return dm_moduleID();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret dm_moduleID();"; }};
  return combineAutoCloseables(map(msgs, msg ->
    dm_vmBus_answerToMessage(msg, f)));
}
static AutoCloseable dm_vmBus_answerToMessage(String msg, final IF0 f) {
  final DynModule m = dm_current_mandatory();
  return dm_ownResource(vmBus_addListener_basic(msg, new F2<String, Object, Object>() { public Object get(String _msg, Object arg) { try { 
     AutoCloseable __1 = m.enter(); try {
    return callF(f);
   } finally { _close(__1); }} catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "temp m.enter();\r\n    ret callF(f);"; }}));
}

static AutoCloseable dm_vmBus_answerToMessage(String msg, final F0 f) {
  final DynModule m = dm_current_mandatory();
  return dm_ownResource(vmBus_addListener_basic(msg, new F2<String, Object, Object>() { public Object get(String _msg, Object arg) { try { 
     AutoCloseable __2 = m.enter(); try {
    return callF(f);
   } finally { _close(__2); }} catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "temp m.enter();\r\n    ret callF(f);"; }}));
}

static AutoCloseable dm_vmBus_answerToMessage(String msg, final F1 f) {
  final DynModule m = dm_current_mandatory();
  return dm_ownResource(vmBus_addListener_basic(msg, new F2<String, Object, Object>() { public Object get(String _msg, Object arg) { try { 
     AutoCloseable __3 = m.enter(); try {
    return callF(f, arg);
   } finally { _close(__3); }} catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "temp m.enter();\r\n    ret callF(f, arg);"; }}));
}
static long jda_selfUserID(JDA jda) {
  return jda.getSelfUser().getIdLong();
}
static String dm_gazelle_linesCRUD() {
  return dm_require("#1021628/GLines");
}
static Object[] litobjectarray(Object... l) {
  return litObjectArray(l);
}
static String getChannel() {
  return getChannelName();
}
static String shortenForDiscord(String msg) {
  return shorten(msg, 2000);
}
static Object dm_pcall(Object moduleOrID, String method, Object... args) { try {
  return dm_call(moduleOrID, method, args);
} catch (Throwable __e) { return null; } }
static String gazelle_postedLinesCRUD() {
  return dm_require("#1022603/GPostedLines");
}
static long dm_discord_channelID(String name) {
  return (long) dm_call(dm_gazelle_linesCRUD(), "getChannelID", name);
}
static String absoluteURL(String url) {
  return isAbsoluteURL(url) ? url : "http://" + url;
}
static IVF1 toIVF1(final Object f) {
  if (f == null) return null;
  if (f instanceof IVF1) return (IVF1) f;
  if (isString(f)) return mainFunctionToIVF1((String) f);
  return (IVF1) a -> { callF(f, a); };
}
static String dm_discord_startKeepAliveModule(Object mod) {
  String discordToken =  (String) (dm_get(mod, "discordToken"));
  return dm_showNewModuleWithParams("#1024196/DiscordKeepAlive", "discordToken", discordToken);
}
static JPanel centerAndSouthWithMargins(Component c, Component s) {
  return applyDefaultMargin(centerAndSouth(c, withTopMargin(s)));
}
static JPanel jrightalignedline(Component... components) {
  return jrightAlignedLine(components);
}

static JPanel jrightalignedline(List<Component> components) {
  return jrightAlignedLine(components);
}
static JCheckBox dm_fieldCheckBox(String field) {
  return dm_fieldCheckBox(humanizeFormLabel(field), field);
}

static JCheckBox dm_fieldCheckBox(String text, String field) {
  // magic parameter swap :)
  if (isIdentifier(text) && !isIdentifier(field)) { String temp = field; field = text; text = temp; }
  return jLiveValueCheckBox(text, dm_fieldLiveValue(field));
}


static Border getBorder(final JComponent c) {
  return c == null ? null : swing(new F0<Border>() { public Border get() { try {  return c.getBorder();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret c.getBorder();"; }});
}
static Q dm_q() {
  return dm_current_mandatory().q();
}

static void dm_q(Runnable r) {
  dm_inQ(r);
}

static void dm_q(DynModule module, Runnable r) {
  module.q().add(r);
}

static <A> A dm_q(IF0<A> f) {
  return dm_evalInQ(if0ToF0(f));
}
static long sysTime() {
  return sysNow();
}
static float score(Scored s) {
  return s == null ? 0 : s.score();
}
static String formatDouble_significant2(double d, int digits) {
  try {
    digits -= max(0, Math.floor(Math.log10(abs(d))+1));
    return formatDouble(d, digits);
  } catch (Throwable _e) {
    print("Had number: " + d + ", digits: " + digits);
  
throw rethrow(_e); }
}
static void setComponent(SingleComponentPanel scp, Component c) {
  setSCPComponent(scp, c);
}

static void setComponent(SingleComponentPanel scp, IF0<Component> c) {
  if (scp != null)
    setComponent(scp, callF(c));
}
static <A> void removeAll(Collection<A> a, Collection<A> b) {
  if (a != null && b != null) a.removeAll(b);
}

static <A, B> void removeAll(Map<A, B> a, Collection<A> b) {
  if (a != null && b != null)
    for (A x : b)
      a.remove(x);
}
static Container _getParent(Component c) {
  return getParent(c);
}


static boolean startsWithSpace(String s) {
  return nempty(s) && isSpace(first(s));
}
static boolean emptyAfterTrim(String s) {
  return empty(trim(s));
}
static String lines_possiblyRTrim(String originalText, List<String> lines) {
  return endsWithNewLine(originalText) ? lines(lines) : lines_rtrim(lines);
}
static int indexOf_regexp(String s, String pat) {
  Matcher m = compileRegexp(pat).matcher(s);
  return m.find() ? m.start() : -1;
}
static boolean dynamicObjectIsLoading() { 
  return isTrue(getThreadLocal(DynamicObject_loading));
}
static java.awt.Color awtColor(String hex) {
  byte[] b = bytesFromHex(dropPrefix("#", hex));
  return new Color(ubyteToInt(b[0]), ubyteToInt(b[1]), ubyteToInt(b[2]));
}
static String vm_cleanForPrint(Object o) {
  String s = str(o);
  return or((String) vmBus_query("cleanForPrint", s), s);
}


static String localDateWithMilliseconds(Date time) {
  return localDateWithMilliseconds(time.getTime());
}

static String localDateWithMilliseconds(long time) {
  SimpleDateFormat format = simpleDateFormat_local("yyyy/MM/dd HH:mm:ss''SSSS");
  return format.format(time);
}

static String localDateWithMilliseconds() {
  return localDateWithMilliseconds(now());
}
static void print_forAllThreads(Object f) {
  assertNull("todo", print_allThreads);
  print_allThreads = f;
}

static String stringPar(Object[] params, String name) {
  return stringOptPar(params, name);
}

static String stringPar(String name, Object[] params) {
  return stringOptPar(params, name);
}

static String stringPar(String name, Map params) {
  return (String) optPar(name, params);
}

static String stringPar(String name, Object[] params, String defaultValue) {
  return optPar(name, params, defaultValue);
}
static <A> A assertNempty(A a) {
  return assertNempty("empty", a);
}

static <A> A assertNempty(String msg, A a) {
  if (empty(a)) throw fail(msg + ": " + a);
  return a;
}
static String dm_moduleID(Object module) {
  return strOrNull(getOpt(dm_getStem(module), "id"));
}

static String dm_moduleID() {
  return dm_moduleID(dm_current_mandatory_generic());
}
// listener: voidfunc(S, O) or func(S, O)
static <A> AutoCloseable vmBus_addListener_basic(String msg, Object listener) {
  Map<String, Set> map = vm_busListenersByMessage_live();
  synchronized(map) {
    Set listeners = map.get(msg);
    if (listeners == null) map.put(msg, listeners = syncIdentityHashSet());
    // We're technically violating the one-synchronized-object-per-thread rule,
    // but it should be OK here.
    // TODO: remove empty sets from map
    return tempAdd(listeners, listener);
  }
}
// makes dynamic & static modules
static String dm_require(String moduleLibID) {
  return dm_makeModule(moduleLibID);
}
static Object[] litObjectArray(Object... l) {
  return l;
}
static String getChannelName() {
  return (String) callOpt(getMainBot(), "getChannelName");
}
static IVF1 mainFunctionToIVF1(final String fname) {
  return (IVF1) a -> { callMC(fname, a); };
}
static <A extends JComponent> A applyDefaultMargin(final A c) {
  if (c != null) { swing(new Runnable() {  public void run() { try { 
    c.setBorder(BorderFactory.createEmptyBorder(withMargin_defaultWidth, withMargin_defaultWidth, withMargin_defaultWidth, withMargin_defaultWidth));
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "c.setBorder(BorderFactory.createEmptyBorder(withMargin_defaultWidth, withMarg..."; }}); }
  return c;
}
static JPanel centerAndSouth(final Component c, final Component s) {
  return swing(new F0<JPanel>() { public JPanel get() { try { 
    JPanel panel = new JPanel(new BorderLayout());
    panel.add(BorderLayout.CENTER, wrap(c));
    if (s != null) panel.add(BorderLayout.SOUTH, wrap(s));
    return panel;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JPanel panel = new JPanel(new BorderLayout);\r\n    panel.add(BorderLayout.CENT..."; }});
}
static int withTopMargin_defaultWidth = 6;

static JPanel withTopMargin(Component c) {
  return withTopMargin(withTopMargin_defaultWidth, c);
}

static JPanel withTopMargin(final int w, final Component c) {
  return swing(new F0<JPanel>() { public JPanel get() { try { 
    JPanel p = new JPanel(new BorderLayout());
    p.setBorder(BorderFactory.createEmptyBorder(w, 0, 0, 0));
    p.add(c);
    return p;
   } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "JPanel p = new JPanel(new BorderLayout);\r\n    p.setBorder(BorderFactory.creat..."; }});
}
static JPanel jrightAlignedLine(final Component... components) {
  return swing(new F0<RightAlignedLine>() { public RightAlignedLine get() { try {  return new RightAlignedLine(components);  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret RightAlignedLine(components);"; }});
}

static JPanel jrightAlignedLine(List<? extends Component> components) {
  return jrightAlignedLine(asArray(Component.class, components));
}
static JCheckBox jLiveValueCheckBox(String text, final SimpleLiveValue<Boolean> lv) {
  final JCheckBox cb = jCheckBox(text);
  bindCheckBoxToLiveValue(cb, lv);
  return cb;
}
static SimpleLiveValue dm_fieldLiveValue(String fieldName) {
  return dm_fieldLiveValue(dm_current_mandatory(), fieldName);
}

static SimpleLiveValue dm_fieldLiveValue(final DynModule module, final String fieldName) {
  Lock __0 = module.lock; lock(__0); try {
   AutoCloseable __2 = module.enter(); try { // for dm_watchField
  Class type = getFieldType(module, fieldName);
  final SimpleLiveValue value = new SimpleLiveValue(type, get(module, fieldName));
  dm_watchField(fieldName, new Runnable() {  public void run() { try { 
    
    Object o = get(module, fieldName);
    
    value.set(o);
    
  ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "ifdef dm_fieldLiveValue_debug\r\n      print(\"dm_fieldLiveValue: setting \" + fi..."; }});
  value.onChange(new Runnable() {  public void run() { try { 
    
    module.setField(fieldName, value.get());
    
  ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "ifdef dm_fieldLiveValue_debug\r\n      print(\"dm_fieldLiveValue: setting 2 \" + ..."; }});
  return value;
} finally { _close(__2); }} finally { unlock(__0); } }
static void dm_inQ(Runnable r) {
  dm_q().add(r);
}
static <A> A dm_evalInQ(F0<A> f) {
  return dm_evalInQ(dm_current_mandatory(), f);
}

static <A> A dm_evalInQ(IF0<A> f) {
  return dm_evalInQ(dm_current_mandatory(), if0ToF0(f));
}

static <A> A dm_evalInQ(DynModule module, F0<A> f) {
  return evalInQ(module.q(), f);
}
static <A> F0<A> if0ToF0(IF0<A> f) {
  return f == null ? null : new F0<A>() { public A get() { try {  return f.get();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret f.get();"; }};
}
static float abs(float f) { return Math.abs(f); }
static int abs(int i) { return Math.abs(i); }
static double abs(double d) { return Math.abs(d); }
static String formatDouble(double d, int digits) {
  String format = digits <= 0 ? "0" : "0." + rep(digits, '#');
  return decimalFormatEnglish(format, d);
}

static void setSCPComponent(SingleComponentPanel scp, Component c) {
  if (scp != null) scp.setComponent(c);
}
static Container getParent(final Component c) {
  return c == null ? null : swing(new F0<Container>() { public Container get() { try {  return c.getParent();  } catch (Exception __e) { throw rethrow(__e); } }
  public String toString() { return "ret c.getParent();"; }});
}


static boolean isSpace(char c) {
  return " \t\r\n".indexOf(c) >= 0;
}
static int ubyteToInt(byte b) {
  return b & 0x0FF;
}
// makes dynamic & static modules - returns module ID
static String dm_makeModule(String moduleLibID) {
  return (String) dm_callOS("makeModule", moduleLibID);
}
static JCheckBox jCheckBox() {
  return swingNu(JCheckBox.class);
}

static JCheckBox jCheckBox(boolean checked) {
  return swingNu(JCheckBox.class, "", checked);
}

static JCheckBox jCheckBox(String text, boolean checked) {
  return swingNu(JCheckBox.class, text, checked);
}

static JCheckBox jCheckBox(String text) {
  return swingNu(JCheckBox.class, text);
}
  
static JCheckBox jCheckBox(String text, boolean checked, final Object onChange) {
  JCheckBox cb = jCheckBox(checked, onChange);
  cb.setText(text);
  return cb;
}
  
// onChange can be a Runnable or a voidfunc(bool)
static JCheckBox jCheckBox(boolean checked, final Object onChange) {
  final JCheckBox cb = jCheckBox(checked);
  cb.addChangeListener(new ChangeListener() {
    public void stateChanged(ChangeEvent e) {
      pcallF(onChange, cb.isSelected());
    }
  });
  return cb;
}
static <A extends JCheckBox> A bindCheckBoxToLiveValue(final A cb, final SimpleLiveValue<Boolean> lv) {
  bindLiveValueListenerToComponent(cb, lv, new Runnable() {  public void run() { try { 
    
    setChecked(cb, isTrue(lv.get()));
    
  ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "ifdef bindCheckBoxToLiveValue_debug\r\n      print(\"bindCheckBoxToLiveValue: se..."; }});
  onChange(cb, new Runnable() {  public void run() { try { 
    
    lv.set(isChecked(cb));
    
  ;
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "ifdef bindCheckBoxToLiveValue_debug\r\n      print(\"bindCheckBoxToLiveValue: se..."; }});
  return cb;
}
static Class getFieldType(Object o, String field) {
  return fieldType(o, field);
}
static <A> A evalInQ(Q q, final F0<A> f) {
  if (isInQ(q)) return callF(f);
  
  final Var<Either<A, Throwable>> var = new Var();
  
  q.add(new Runnable() {  public void run() { try { 
    try {
      var.set(main.<A, Throwable> eitherA(callF(f)));
    } catch (Throwable e) {
      var.set(main.<A, Throwable> eitherB(e));
    }
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "try {\r\n      var.set(main.<A, Throwable> eitherA(callF(f)));\r\n    } catch (Th..."; }});
  
  return returnOrThrow_either(waitForVarToBeNotNull(var));
}
static String decimalFormatEnglish(String format, double d) {
  return new java.text.DecimalFormat(format, new java.text.DecimalFormatSymbols(Locale.ENGLISH)).format(d);
}


static void setChecked(JCheckBox checkBox, boolean b) {
  if (checkBox != null) { swing(new Runnable() {  public void run() { try { 
    if (isChecked(checkBox) != b)
      checkBox.setSelected(b);
  
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "if (isChecked(checkBox) != b)\r\n      checkBox.setSelected(b);"; }}); }
}

static void setChecked(JCheckBoxMenuItem mi, boolean b) {
  if (mi != null) { swing(new Runnable() {  public void run() { try {  mi.setSelected(b); 
} catch (Exception __e) { throw rethrow(__e); } }  public String toString() { return "mi.setSelected(b);"; }}); }
}
static boolean isInQ(Q q) {
  return q != null && isCurrentThread(q.rst.thread);
}
static <A, B> Either<A, B> eitherA(A a) {
  return new Either(1, a);
}
static <A, B> Either<A, B> eitherB(B b) {
  return new Either(2, b);
}
static <A> A returnOrThrow_either(Either<A, Throwable> e) {
  if (isEitherB(e)) throw rethrow(e.b());
  return eitherAOpt(e);
}
static <A> A waitForVarToBeNotNull(Var<A> v) { try {
  synchronized(v) {
    while (!v.has()) v.wait();
    return v.get();
  }
} catch (Exception __e) { throw rethrow(__e); } }
  


static boolean isCurrentThread(Thread t) {
  return t != null && t == currentThread();
}
static <A, B> boolean isEitherB(Either<A, B> e) {
  return eitherIsB(e);
}
static <A, B> A eitherAOpt(Either<A, B> e) {
  return e != null && e.isA() ? e.a() : null;
}


static <A, B> boolean eitherIsB(Either<A, B> e) {
  return e != null && e.isB();
}


static class SimpleLiveValue<A> extends LiveValue<A> {
  Class<A> type;
  volatile A value;
  
  transient List onChange = synchroList();
  
  SimpleLiveValue(Class<A> type) {
  this.type = type;}
  SimpleLiveValue(Class<A> type, A value) {
  this.value = value;
  this.type = type;}
  
  public Class<A> getType() { return type; }
  public A get() { return value; }
  public void onChange(Runnable l) { onChange.add(l); }
  public void onChangeAndNow(Runnable l) { onChange(l); callF(l); }
  public void removeOnChangeListener(Runnable l) { onChange.remove(l); }
  
  void fireChanged() {
    pcallFAll(onChange);
  }
  
  void set(A a) { if (neq(value, a)) { value = a; fireChanged(); } }
}static class LineBuffer {
  VF1<String> onLine;
  StringBuilder currentLine = new StringBuilder();

  LineBuffer() {}
  LineBuffer(VF1<String> onLine) {
  this.onLine = onLine;}
  
  void append(String s) {
    append(s, onLine);
  }
  
  void append(String s, VF1<String> onLine) {
    currentLine.append(s);
    if (contains(s, '\n')) {
      int i = 0, j;
      s = str(currentLine);
      while ((j = indexOf(s, i, '\n')) >= 0) {
        String line = dropTrailingBackslashR(substring(s, i, j));
        callF(onLine, line);
        i = j+1;
      }
      currentLine = new StringBuilder(substring(s, i));
    }
  }
  
  int size() { return l(currentLine); }
}static class Either<A, B> {
  byte which;
  Object value;
  
  Either() {}
  Either(int which, Object value) { this.which = (byte) which;
  this.value = value; }
  
  boolean isA() { return which == 1; }
  boolean isB() { return which == 2; }
  
  A a() { if (which != 1) _failMe(); return (A) value; }
  B b() { if (which != 2) _failMe(); return (B) value; }
  
  A aOpt() { return which != 1 ? null : (A) value; }
  B bOpt() { return which != 2 ? null : (B) value; }
  
  void _failMe() {
    throw fail("Either object is of wrong type: " + shortClassName(value));
  }
  
  public String toString() {
    return "Either" + (isA() ? "A" : "B") + "(" + value + ")";
  }
}static class Scored<A> extends Var<A> {
  float score;
  
  Scored() {}
  Scored(A a, float score) { super(a); this.score = score; }
  Scored(A a, double score) { super(a); this.score = (float) score; }
  
  float score() { return score; }
  
  public String toString() {
    return toIntPercent(score) + "%: " + str(get());
  }
}static class RightAlignedLine extends JPanel {
  RightAlignedLine(Component... components) {
    setLayout(LetterLayout.rightAlignedRow());
    for (Component component : components)
      add(component);
  }

  public void add(String text) {
    add(new JLabel(text));
  }
}

static class LetterLayout implements LayoutManager {
  private String[] lines;
  private Map<String, Component> map = new TreeMap<String, Component>();
  private RC[] rows;
  private RC[] cols;
  private Cell[][] cells;
  private int spacingX = 10, spacingY = 10;
  private int insetTop, insetBottom, insetLeft, insetRight;
  private int template;
  private boolean formWideLeftSide, formWideRightSide;

  private static final int STALACTITE = 1, LEFT_ALIGNED_ROW = 2, CENTERED_ROW = 3, FORM = 4, RIGHT_ALIGNED_ROW = 5;
  private boolean debug = false;

  public void setLeftBorder(int border) {
    insetLeft = border;
  }

  public void setRightBorder(int border) {
    insetRight = border;
  }

  public static JComponent withBorder(JComponent component, int border) {
    JPanel panel = new JPanel(new LetterLayout("C").setBorder(border));
    panel.add("C", component);
    return panel;
  }

  public static JPanel panel(String... lines) {
    return new JPanel(new LetterLayout(lines));
  }

  public static JPanel stalactitePanel() {
    return new JPanel(stalactite());
  }

  static class DummyComponent extends JComponent {
  }

  /**
   * info about one matrix cell
   */
  static class Cell {
    boolean aux = false; // part of a larger cell, but not top-left corner
    int minWidth, minHeight;
    Component component;
    int colspan, rowspan;
    double weightX, weightY;
  }

  /**
   * info about one matrix row / column
   */
  static class RC {
    int min;
    double weightSum;
    int start;
    int minEnd;
  }

  private LetterLayout(int template) {
    this.template = template;
  }

  public LetterLayout(String... lines) {
    this.lines = lines;
  }

  public void removeLayoutComponent(Component component) {
    map.values().remove(component);
  }

  public void layoutContainer(Container container) {
    prepareLayout(container);

    // do layout

    if (debug)
      System.out.println("Container size: " + container.getSize());

    Insets insets = getInsets(container);
    for (int r = 0; r < rows.length; r++) {
      for (int i = 0; i < cols.length;) {
        Cell cell = cells[i][r];
        if (cell.aux)
          ++i;
        else {
          if (cell.component != null) {
            int x1 = cols[i].start;
            int y1 = rows[r].start;
            int x2 = i + cell.colspan < cols.length ? cols[i + cell.colspan].start - spacingX : container.getWidth() - insets.right;
            int y2 = r + cell.rowspan < rows.length ? rows[r + cell.rowspan].start - spacingY : container.getHeight() - insets.bottom;

            if (debug)
              System.out.println("Layouting ("+i+", "+r+", " + cell.component.getClass().getName() + "): "+x1+" "+y1+" "+x2+" "+y2);

            cell.component.setBounds(x1, y1, x2 - x1, y2 - y1);
          }
          i += cells[i][r].colspan;
        }
      }
    }
  }

  private void prepareLayout(Container container) {
    applyTemplate(container);

    int numRows = lines.length, numCols = lines[0].length();
    for (int i = 1; i < numRows; i++) if (lines[i].length() != numCols)
      throw new IllegalArgumentException("Lines have varying length");
    cells = new Cell[numCols][numRows];
    rows = new RC[numRows];
    cols = new RC[numCols];

    for (int r = 0; r < numRows; r++) rows[r] = new RC();
    for (int i = 0; i < numCols; i++) cols[i] = new RC();
    for (int r = 0; r < numRows; r++) for (int i = 0; i < numCols; i++) cells[i][r] = new Cell();

    // define cells

    for (int r = 0; r < numRows; r++) {
      String line = lines[r];
      for (int i = 0; i < numCols;) {
        Cell cell = cells[i][r];
        if (cell.aux) {
          ++i;
          continue;
        }
        char ch = line.charAt(i);
        int iNext = i;
        do ++iNext; while (iNext < numCols && ch == line.charAt(iNext));
        int rNext = r;
        do ++rNext; while (rNext < numRows && ch == lines[rNext].charAt(i));

        cell.weightX = numCols == 1 || iNext > i + 1 ? 1.0 : 0.0;
        cell.weightY = numRows == 1 || rNext > r + 1 ? 1.0 : 0.0;

        Component c = map.get(String.valueOf(ch));
        cell.component = c;
        if (c != null) {
          cell.minWidth = c.getMinimumSize().width + spacingX;
          cell.minHeight = getMinimumHeight(c) + spacingY;
        }
        cell.colspan = iNext - i;
        cell.rowspan = rNext - r;

        if (cell.colspan == 1)
          cols[i].min = Math.max(cols[i].min, cell.minWidth);
        if (cell.rowspan == 1)
          rows[r].min = Math.max(rows[r].min, cell.minHeight);

        for (int r2 = r; r2 < rNext; r2++)
          for (int i2 = i; i2 < iNext; i2++)
            if (r2 != r || i2 != i)
              cells[i2][r2].aux = true;

        i = iNext;
      }
    }

    // determine minStarts, weightSums

    while (true) {
      for (int i = 0; i < numCols; i++) {
        int minStart = i == 0 ? 0 : cols[i - 1].minEnd;
        double weightStart = i == 0 ? 0.0 : cols[i - 1].weightSum;
        for (int r = 0; r < numRows; r++) {
          Cell cell = cells[i][r];
          if (!cell.aux) {
            RC rc = cols[i + cell.colspan - 1];
            rc.minEnd = Math.max(rc.minEnd, minStart + cell.minWidth);
            rc.weightSum = Math.max(rc.weightSum, weightStart + cell.weightX);
          }
        }
      }

      for (int r = 0; r < numRows; r++) {
        int minStart = r == 0 ? 0 : rows[r - 1].minEnd;
        double weightStart = r == 0 ? 0.0 : rows[r - 1].weightSum;
        for (int i = 0; i < numCols; i++) {
          Cell cell = cells[i][r];
          if (!cell.aux) {
            RC rc = rows[r + cell.rowspan - 1];
            rc.minEnd = Math.max(rc.minEnd, minStart + cell.minHeight);
            rc.weightSum = Math.max(rc.weightSum, weightStart + cell.weightY);
          }
        }
      }

      if (allWeightsZero(cols)) {
        for (int r = 0; r < numRows; r++)
          for (int i = 0; i < numCols; i++)
            cells[i][r].weightX = 1.0;
        continue;
      }

      if (allWeightsZero(rows)) {
        for (int r = 0; r < numRows; r++)
          for (int i = 0; i < numCols; i++)
            cells[i][r].weightY = 1.0;
        continue;
      }

      break;
    }

    // determine row, col starts

    Insets insets = getInsets(container);
    determineStarts(cols, insets.left, container.getWidth() - insets.left - insets.right + spacingX, spacingX);
    determineStarts(rows, insets.top, container.getHeight() - insets.top - insets.bottom + spacingY, spacingY);
  }

  private boolean allWeightsZero(RC[] rcs) {
    for (int i = 0; i < rcs.length; i++)
      if (rcs[i].weightSum != 0.0)
        return false;
    return true;
  }

  private static int getMinimumHeight(Component c) {
    /*if (c instanceof JTextArea) {
      return (int) ((JTextArea) c).getUI().getRootView((JTextArea) c).getPreferredSpan(javax.swing.text.View.Y_AXIS);
    }*/
    return c.getMinimumSize().height;
  }

  private void applyTemplate(Container container) {
    if (template == STALACTITE) {
      Component[] components = container.getComponents();

      lines = new String[components.length + 2];
      map.clear();
      for (int i = 0; i < components.length; i++) {
        String s = String.valueOf(makeIndexChar(i));
        map.put(s, components[i]);
        lines[i] = s;
      }
      lines[components.length] = lines[components.length + 1] = " ";
    } else if (template == FORM) {
      /* old method of calculating numRows:
      int numRows = 0;
      for (String key : map.keySet()) {
        if (key.length() == 1)
          numRows = Math.max(numRows, Character.toLowerCase(key.charAt(0))-'a');
      }*/
      Component[] components = container.getComponents();
      int numRows = components.length/2;

      lines = new String[numRows+2];
      map.clear();
      for (int row = 0; row < numRows; row++) {
        String lower = String.valueOf(makeIndexChar(row));
        String upper = String.valueOf(makeAlternateIndexChar(row));
        Component rightComponent = components[row * 2 + 1];
        if (rightComponent instanceof DummyComponent)
          upper = lower;
        lines[row] = (formWideLeftSide ? lower + lower : lower) + (formWideRightSide ? upper + upper : upper);
        map.put(lower, components[row*2]);
        if (!(rightComponent instanceof DummyComponent))
          map.put(upper, rightComponent);
      }
      lines[numRows] = lines[numRows+1] = (formWideLeftSide ? "  " : " ") + (formWideRightSide ? "  " : " ");
    } else if (template == LEFT_ALIGNED_ROW) {
      lines = new String[] { makeSingleRow(container) + RIGHT_CHAR + RIGHT_CHAR };
    } else if (template == CENTERED_ROW) {
      lines = new String[] { "" + LEFT_CHAR + LEFT_CHAR + makeSingleRow(container) + RIGHT_CHAR + RIGHT_CHAR };
    } else if (template == RIGHT_ALIGNED_ROW) {
      lines = new String[] { "" + LEFT_CHAR + LEFT_CHAR + makeSingleRow(container) };
    }
  }

  private String makeSingleRow(Container container) {
    Component[] components = container.getComponents();
    StringBuffer buf = new StringBuffer();
    map.clear();
    for (int i = 0; i < components.length; i++) {
      String s = String.valueOf(makeAlternateIndexChar(i));
      map.put(s, components[i]);
      buf.append(s);
    }
    return buf.toString();
  }

  private static void determineStarts(RC[] rcs, int start, int totalSize, int spacing) {
    int minTotal = rcs[rcs.length - 1].minEnd;
    double weightSum = rcs[rcs.length - 1].weightSum;
    //System.out.println("totalSize="+totalSize+",minTotal="+minTotal+",weightSum="+weightSum);
    int spare = (int) ((totalSize - minTotal) / (weightSum == 0.0 ? 1.0 : weightSum));
    int x = start, minSum = 0;
    double prevWeightSum = 0.0;
    for (int i = 0; i < rcs.length; i++) {
      int width = rcs[i].minEnd - minSum + (int) ((rcs[i].weightSum - prevWeightSum) * spare) - spacing;
      //System.out.println("i="+i+",prevws="+prevWeightSum+",ws="+rcs[i].weightSum+",min="+rcs[i].min+",width="+width);
      rcs[i].start = x;
      x += width + spacing;
      prevWeightSum = rcs[i].weightSum;
      minSum = rcs[i].minEnd;
    }
  }

  public void addLayoutComponent(String s, Component component) {
    map.put(s, component);
  }

  public Dimension minimumLayoutSize(Container container) {
    prepareLayout(container);
    Insets insets = getInsets(container);
    Dimension result = new Dimension(
      insets.left + cols[cols.length - 1].minEnd + insets.right - spacingX,
      insets.top + rows[rows.length - 1].minEnd + insets.bottom - spacingY);
    return result;
  }

  private Insets getInsets(Container container) {
    Insets insets = container.getInsets();
    return new Insets(insets.top + insetTop,
      insets.left + insetLeft,
      insets.bottom + insetBottom,
      insets.right + insetRight);
  }

  public Dimension preferredLayoutSize(Container container) {
    return minimumLayoutSize(container);
  }

  public LetterLayout setSpacing(int x, int y) {
    spacingX = x;
    spacingY = y;
    return this;
  }

  public LetterLayout setSpacing(int spacing) {
    return setSpacing(spacing, spacing);
  }

  public LetterLayout setBorder(int top, int left, int bottom, int right) {
    insetTop = top;
    insetLeft = left;
    insetBottom = bottom;
    insetRight = right;
    return this;
  }

  public LetterLayout setBorder(int inset) {
    return setBorder(inset, inset, inset, inset);
  }

  public LetterLayout setTopBorder(int inset) {
    insetTop = inset;
    return this;
  }

  /**
   * layout components from top to bottom; add components without letters!
   */
  public static LetterLayout stalactite() {
    return new LetterLayout(STALACTITE);
  }

  /**
   * layout components from left to right; add components without letters!
   */
  public static LetterLayout leftAlignedRow() {
    return new LetterLayout(LEFT_ALIGNED_ROW);
  }

  public static LetterLayout leftAlignedRow(int spacing) {
    return leftAlignedRow().setSpacing(spacing);
  }

  /**
   * layout components from left to right, center in container; add components without letters!
   */
  public static LetterLayout centeredRow() {
    return new LetterLayout(CENTERED_ROW);
  }

  public static LetterLayout rightAlignedRow() {
    return new LetterLayout(RIGHT_ALIGNED_ROW);
  }

  public static JPanel rightAlignedRowPanel(JComponent... components) {
    return makePanel(new LetterLayout(RIGHT_ALIGNED_ROW), components);
  }

  private static JPanel makePanel(LetterLayout letterLayout, JComponent[] components) {
    JPanel panel = new JPanel(letterLayout);
    for (JComponent component : components) {
      panel.add(component);
    }
    return panel;
  }

  /**
   * layout components from top to bottom; two components per row
   */
  public static LetterLayout form() {
    LetterLayout letterLayout = new LetterLayout(FORM);
    letterLayout.formWideLeftSide = true;
    letterLayout.formWideRightSide = true;
    return letterLayout;
  }

  /**
   * layout components from top to bottom; two components per row
   * left column is small, right column is wide
   */
  public static LetterLayout formWideRightSide() {
    LetterLayout letterLayout = new LetterLayout(FORM);
    letterLayout.formWideRightSide = true;
    return letterLayout;
  }

  public static Component getDummyComponent() {
    return new DummyComponent();
  }

  public static JPanel newPanel(String... lines) {
    return new JPanel(new LetterLayout(lines));
  }

  public boolean isDebug() {
    return debug;
  }

  public void setDebug(boolean debug) {
    this.debug = debug;
  }

  public static char makeIndexChar(int idx) {
    return (char) ('a' + idx*2);
  }

  public static char makeAlternateIndexChar(int idx) {
    return (char) ('b' + idx*2);
  }

  public static char LEFT_CHAR = ',', RIGHT_CHAR = '.';

  public static void main(String[] args) {
    System.out.println((int) makeIndexChar(0));
    System.out.println((int) makeAlternateIndexChar(0));
    System.out.println((int) makeIndexChar(32000));
    System.out.println((int) makeAlternateIndexChar(32000));
    System.out.println((int) LEFT_CHAR);
    System.out.println((int) RIGHT_CHAR);
  }
}


static String dropTrailingBackslashR(String s) {
  int i = l(s);
  while (i > 0 && s.charAt(i-1) == '\r') --i;
  return substring(s, 0, i);
}
static String b(Object contents, Object... params) {
  return tag("b", contents, params);
}
static <A, B> boolean isA(Either<A, B> e) {
  return eitherIsA(e);
}
static int toIntPercent(double ratio) {
  return roundToInt(ratio*100);
}

// when used with map function
static int toIntPercent(float ratio) {
  return toIntPercent((double) ratio);
}


static String tag(String tag) {
  return htag(tag);
}

static String tag(String tag, Object contents, Object... params) {
  return htag(tag, str(contents), params);
}

static String tag(String tag, StringBuilder contents, Object... params) {
  return htag(tag, contents, params);
}

static String tag(String tag, StringBuffer contents, Object... params) {
  return htag(tag, contents, params);
}
static <A, B> boolean eitherIsA(Either<A, B> e) {
  return e != null && e.isA();
}
static int roundToInt(double d) {
  return (int) Math.round(d);
}


static String htag(String tag) {
  return htag(tag, "");
}

static String htag(String tag, Object contents, Object... params) {
  String openingTag = hopeningTag(tag, params);
  String s = str(contents);
  if (empty(s) && neqic(tag, "script"))
    return dropLast(openingTag) + "/>";
  return openingTag + s + "</" + tag + ">";
}

}