import java.math.*;
import javax.imageio.*;
import java.awt.image.*;
import java.awt.event.*;
import java.awt.*;
import java.security.spec.*;
import java.security.*;
import java.lang.management.*;
import java.lang.ref.*;
import java.lang.reflect.*;
import java.net.*;
import java.io.*;
import javax.swing.table.*;
import javax.swing.text.*;
import javax.swing.event.*;
import javax.swing.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.*;
import java.util.regex.*;
import java.util.List;
import java.util.zip.*;
import java.util.*;
public class main {
// Syntax: pcall { doFunnyStuff(); }
// Replaced with: try { doFunnyStuff(); } catch etc.


public static void main(String[] args) throws Exception {
  List<String> tok = tokMainJava();
  
  tok = replaceKeywordBlock(tok,
    "pcall", // keyword to match
    "try {", // beginning of replacement block
    "} catch (Throwable __e) { printStackTrace(__e); }"); // end of replacement block
    
  saveMainJava(tok);
}


static List<String> tokMainJava() { try {
 
  return javaTok(loadMainJava());

} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}

static List<String> replaceKeywordBlock(List<String> tok, String keyword, String beg, String end) {
  for (int i = 0; i < 1000; i++) {
    int idx = findCodeTokens(tok, keyword, "{");
    if (idx < 0)
      break;
    int j = findEndOfBracketPart(tok, idx+2);
    
    tok.set(idx, beg);
    tok.set(idx+1, " ");
    tok.set(idx+2, "");
    tok.set(j-1, end);
  }
  return javaTok(tok);
}

  static void saveMainJava(String s) throws IOException {
    if (mainJava != null)
      mainJava = s;
    else
      saveTextFile("output/main.java", s);
  }
  
  static void saveMainJava(List<String> tok) throws IOException {
    saveMainJava(join(tok));
  }


  // i must point at the 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 (litlist("{", "(").contains(cnc.get(j))) ++level;
      else if (litlist("}", ")").contains(cnc.get(j))) --level;
      if (level == 0)
        return j+1;
      ++j;
    }
    return cnc.size();
  }
  

  /** writes safely (to temp file, then rename) */
  public static void saveTextFile(String fileName, String contents) throws IOException {
    File file = new File(fileName);
    File parentFile = file.getParentFile();
    if (parentFile != null)
      parentFile.mkdirs();
    String tempFileName = fileName + "_temp";
    if (contents != null) {
      FileOutputStream fileOutputStream = new FileOutputStream(tempFileName);
      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 (!new File(tempFileName).renameTo(file))
        throw new IOException("Can't rename " + tempFileName + " to " + fileName);
  }
  
  public static void saveTextFile(File fileName, String contents) {
    try {
      saveTextFile(fileName.getPath(), contents);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }


// replacement for class JavaTok
// maybe incomplete, might want to add floating point numbers
// todo also: extended multi-line strings

static List<String> javaTok(String s) {
  List<String> tok = new ArrayList<String>();
  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 is not needed in rest of loop body
    cc = s.substring(i, Math.min(i+2, l));

    // 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 (cc.equals("[[")) {
      do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
      j = Math.min(j+2, l);
    } else
      ++j;

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

static List<String> javaTok(List<String> tok) {
  return javaTok(join(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) {
    outer: for (int i = startIdx | 1; i+tokens.length*2-2 < tok.size(); i += 2) {
      for (int j = 0; j < tokens.length; j++) {
        String p = tokens[j], t = tok.get(i+j*2);
        boolean match;
        if (eq(p, "*")) match = true;
        else if (eq(p, "<quoted>")) match = isQuoted(t);
        else if (eq(p, "<id>")) match = isIdentifier(t);
        else if (eq(p, "<int>")) match = isInteger(t);
        else match = ignoreCase ? eqic(p, t) : eq(p, t);
        
        if (!match)
          continue outer;
      }
      return i;
    }
    return -1;
  }

  public static String join(String glue, Iterable<String> strings) {
    StringBuilder buf = new StringBuilder();
    Iterator<String> 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));
  }
  
  public static String join(Iterable<String> strings) {
    return join("", strings);
  }
  
  public static String join(String[] strings) {
    return join("", strings);
  }


  static String mainJava;
  
  static String loadMainJava() throws IOException {
    if (mainJava != null) return mainJava;
    return loadTextFile("input/main.java", "");
  }

static boolean isIdentifier(String s) {
  return isJavaIdentifier(s);
}

  public static String loadTextFile(String fileName) {
    try {
      return loadTextFile(fileName, null);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
  
  public static String loadTextFile(String fileName, String defaultContents) throws IOException {
    if (!new File(fileName).exists())
      return defaultContents;

    FileInputStream fileInputStream = new FileInputStream(fileName);
    InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8");
    return loadTextFile(inputStreamReader);
  }
  
  public static String loadTextFile(File fileName) {
    try {
      return loadTextFile(fileName, null);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  public static String loadTextFile(File fileName, String defaultContents) throws IOException {
    try {
      return loadTextFile(fileName.getPath(), defaultContents);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
  
  public 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 builder.toString();
  }

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 eq(Object a, Object b) {
  if (a == null) return b == null;
  if (a.equals(b)) return true;
  if (a instanceof BigInteger) {
    if (b instanceof Integer) return a.equals(BigInteger.valueOf((Integer) b));
    if (b instanceof Long) return a.equals(BigInteger.valueOf((Long) b));
  }
  return false;
}

static boolean isInteger(String s) {
  return s != null && Pattern.matches("\\-?\\d+", s);
}

static <A> ArrayList<A> litlist(A... a) {
  return new ArrayList<A>(Arrays.asList(a));
}

// supports the usual quotings (', ", variable length double brackets)
static boolean isQuoted(String s) {
  if (s.startsWith("'") || s.startsWith("\"")) return true;
  if (!s.startsWith("[")) return false;
  int i = 1;
  while (i < s.length() && s.charAt(i) == '=') ++i;
  return i < s.length() && s.charAt(i) == '[';
  //return Pattern.compile("^\\[=*\\[").matcher(s).find();
}

static boolean isJavaIdentifier(String s) {
  if (s.length() == 0 || !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;
}
}