import javax.imageio.*;
import java.security.NoSuchAlgorithmException;
import java.security.MessageDigest;
import java.lang.management.*;
import java.lang.reflect.*;
import java.net.*;
import java.io.*;
import java.util.concurrent.atomic.*;
import java.util.concurrent.*;
import java.util.regex.*;
import java.util.List;
import java.util.zip.*;
import java.util.*;
import android.widget.*;
import android.view.*;
import android.view.View;
import android.content.Context;
import android.app.Activity;
import android.view.inputmethod.*;
import android.content.*;
import android.text.*;
public class main {
static String leoID = "#1001297";
static List<Prog> programsStarted = new ArrayList<Prog>();
static class Prog {
String snippetID;
Thread thread;
}
static class Lg {
static int maxBufferLength = 2048;
Activity context;
ScrollView sv;
TextView tv;
StringBuilder buf = new StringBuilder();
Lg(Activity context) {
this.context = context;
sv = new ScrollView(context);
tv = new TextView(context);
tv.setText(buf.toString());
sv.addView(tv);
}
View getView() {
return sv;
}
void shortenBuffer() {
while (buf.length() > maxBufferLength) {
String s = buf.toString();
int i = s.indexOf('\n');
if (i < 0) return;
buf = new StringBuilder(s.substring(i+1));
}
}
void print(final String s) {
context.runOnUiThread(new Runnable() {
public void run() {
buf.append(s);
shortenBuffer();
tv.setText(buf.toString());
sv.post(new Runnable() {
public void run() {
// This method works but animates the scrolling
// which looks weird on first load
sv.fullScroll(View.FOCUS_DOWN);
// This method works even better because there are no animations.
//sv.scrollTo(0, sv.getBottom());
}
});
}
});
}
void println(String s) {
print(s + "\n");
}
}
public static View main(final Activity context) throws Exception {
x27.androidContext = context;
final File defSnip = new File(x27.userHome(), ".javax/defsnip");
String id = x27.loadTextFile(defSnip.getPath(), "636");
final File defargs = new File(x27.userHome(), ".javax/defargs");
String arg = x27.loadTextFile(defargs.getPath(), "leo");
ScrollView sv = new ScrollView(context);
LinearLayout ll = new LinearLayout(context);
ll.setOrientation(LinearLayout.VERTICAL);
LinearLayout line1 = new LinearLayout(context);
TextView label = new TextView(context);
label.setText("Run which snippet ID?");
line1.addView(label);
final EditText tv = new EditText(context);
// BAD - tv.setInputType(InputType.TYPE_NUMBER_FLAG_DECIMAL);
tv.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_CLASS_NUMBER);
tv.setText(id);
line1.addView(tv);
Button btnGo = new Button(context);
btnGo.setText("Go");
line1.addView(btnGo);
ll.addView(line1);
LinearLayout line2 = new LinearLayout(context);
label = new TextView(context);
label.setText("Program arguments:");
line2.addView(label);
final EditText tvArgs = new EditText(context);
tvArgs.setText(arg);
line2.addView(tvArgs);
ll.addView(line2);
LinearLayout line3 = new LinearLayout(context);
Button btnLeo = new Button(context);
btnLeo.setText("Sprechen mit Leo");
line3.addView(btnLeo);
ll.addView(line3);
btnGo.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
hideKeyboard(context);
String snippetID = tv.getText().toString();
String text = "Running: " + snippetID;
Toast.makeText(context, text, 2000).show();
try {
x27.saveTextFile(defSnip.getPath(), snippetID);
x27.saveTextFile(defargs.getPath(), tvArgs.getText().toString());
} catch (IOException e) {
}
run(context, snippetID, tvArgs.getText().toString().split(" +"));
}
});
btnLeo.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
run(context, leoID, new String[0]);
}
});
sv.addView(ll);
return sv;
}
static Lg lg;
public static void run(final Activity context, final String mainSnippet, final String[] args) {
lg = new Lg(context);
OutputStream outputStream = new OutputStream() {
public void write(int b) {
try {
lg.print(new String(new byte[] {(byte) b}, "UTF-8")); // This is crap
} catch (UnsupportedEncodingException e) {}
}
@Override
public void write(byte[] b, int off, int len) {
try {
lg.print(new String(b, off, len, "UTF-8")); // This is crap
} catch (UnsupportedEncodingException e) {}
}
};
PrintStream ps = new PrintStream(outputStream, true);
System.setOut(ps);
System.setErr(ps);
Prog prog = new Prog();
prog.snippetID = mainSnippet;
prog.thread = new Thread() {
public void run() {
try {
String[] a = new String[args.length+1];
System.arraycopy(args, 0, a, 1, args.length);
a[0] = mainSnippet;
x27.main(a);
} catch (Throwable e) {
System.out.println("Whoa!");
e.printStackTrace();
}
}
};
programsStarted.add(prog);
prog.thread.start();
context.setContentView(lg.getView());
}
static void setContentViewInUIThread(final View view) {
((Activity) x27.androidContext).runOnUiThread(new Runnable() {
public void run() {
((Activity) x27.androidContext).setContentView(view);
}
});
}
public static void hideKeyboard(Activity context) {
View view = context.getCurrentFocus();
if (view != null) {
InputMethodManager inputManager = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
inputManager.hideSoftInputFromWindow(view.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
}
}
static void onActivityResult(int requestCode, int resultCode, Intent data) {
if (x27.mainClass != null)
x27.call(x27.mainClass, "onActivityResult", requestCode, resultCode, data);
}
}
class x27 {
static final String version = "JavaX 27";
// If programs run longer than this, they might have their class files
// deleted.
static int tempFileRetentionTime = 24; // hours
static boolean verbose = false, translate = false, list = false, virtualizeTranslators = true;
static String translateTo = null;
static boolean preferCached = false, noID = false, noPrefetch = false, noAWT = false;
static boolean safeOnly = false, safeTranslate = false, javacOnly = false, logOn = true;
static boolean runMainInProcess = true, consoleOn = true, hasHelloMessage = false;
static List<String[]> mainTranslators = new ArrayList<String[]>();
private static Map<Long, String> memSnippetCache = new HashMap<Long, String>();
private static int processesStarted, compilations;
// snippet ID -> md5
private static HashMap<Long, String> prefetched = new HashMap<Long, String>();
private static File virtCache;
// doesn't work yet
private static Map<String, Class<?>> programCache = new HashMap<String, Class<?>>();
static boolean cacheTranslators = false;
// this should work (caches transpiled translators)
private static HashMap<Long, Object[]> translationCache = new HashMap<Long, Object[]>();
static boolean cacheTranspiledTranslators = true;
// which snippets are available pre-transpiled server-side?
private static Set<Long> hasTranspiledSet = new HashSet<Long>();
static boolean useServerTranspiled = true;
static Object androidContext;
static boolean android = isAndroid();
// We stick to 1.7 for now to support android.
// Scripts like #1001155 might change to 1.6
static String javaTarget = System.getProperty("java.version").startsWith("1.6.") ? "1.6" : "1.7";
// Translators currently being translated (to detect recursions)
private static Set<Long> translating = new HashSet<Long>();
static String lastOutput;
static String[] fullArgs;
static String javaCompilerOutput;
public static void main(String[] args) {
try {
goMain(args);
} catch (Throwable e) {
e.printStackTrace();
}
}
static byte[] loadDataSnippetImpl(String snippetID) throws IOException {
byte[] data;
try {
URL url = new URL("http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_"
+ parseSnippetID(snippetID) + "&contentType=application/binary");
System.err.println("Loading library: " + url);
try {
data = loadBinaryPage(url.openConnection());
} catch (IOException e) {
data = null;
}
if (data == null || data.length == 0) {
url = new URL("http://data.tinybrain.de/blobs/"
+ parseSnippetID(snippetID));
System.err.println("Loading library: " + url);
data = loadBinaryPage(url.openConnection());
}
System.err.println("Bytes loaded: " + data.length);
} catch (FileNotFoundException e) {
throw new IOException("Binary snippet #" + snippetID + " not found or not public");
}
return data;
}
static void goMain(String[] args) throws Exception {
if (args.length != 0 && args[0].equals("-v")) verbose = true;
for (String arg : args)
if (arg.equals("-noawt"))
noAWT = true;
String autoReport = loadTextFile(new File(userHome(), ".javax/auto-report-to-chat").getPath(), "").trim();
//print("autoReport=" + autoReport);
if (!isChatServer(args) && autoReport.equals("1"))
autoReportToChat();
if (!hasHelloMessage) {
hasHelloMessage = true;
//installHelloMessage(args.length == 0 ? "JavaX Start-Up VM" : "JavaX VM (" + smartJoin(args) + ")");
makeVMAndroid();
}
File ioBaseDir = new File("."), inputDir = null, outputDir = null;
String src = null;
List<String> programArgs = new ArrayList<String>();
fullArgs = args;
for (int i = 0; i < args.length; i++) {
String arg = args[i];
if (arg.equals("-version")) {
showVersion();
System.exit(0);
}
if (arg.equals("-sysprop")) {
showSystemProperties();
return;
}
if (arg.equals("-v") || arg.equals("-verbose"))
verbose = true;
else if (arg.equals("-finderror"))
verbose = true;
else if (arg.equals("-offline") || arg.equalsIgnoreCase("-prefercached"))
preferCached = true;
else if (arg.equals("-novirt"))
virtualizeTranslators = false;
else if (arg.equals("-safeonly"))
safeOnly = true;
else if (arg.equals("-safetranslate"))
safeTranslate = true;
else if (arg.equals("-noawt"))
noAWT = true;
else if (arg.equals("-noid"))
noID = true;
else if (arg.equals("-nocachetranspiled"))
cacheTranspiledTranslators = false;
else if (arg.equals("-javac"))
javacOnly = true;
else if (arg.equals("-localtranspile"))
useServerTranspiled = false;
else if (arg.equals("translate") && src == null)
translate = true;
else if (arg.equals("list") && src == null) {
list = true;
virtualizeTranslators = false; // so they are silenced
} else if (arg.equals("run") && src == null) {
// it's the default command anyway
} else if (arg.startsWith("input="))
inputDir = new File(arg.substring(6));
else if (arg.startsWith("output="))
outputDir = new File(arg.substring(7));
else if (arg.equals("with"))
mainTranslators.add(new String[] {args[++i], null});
else if (translate && arg.equals("to"))
translateTo = args[++i];
else if (src == null) {
//System.out.println("src=" + arg);
src = arg;
} else
programArgs.add(arg);
}
cleanCache();
if (useServerTranspiled)
noPrefetch = true;
if (src == null) src = ".";
// Might actually want to write to 2 disk caches (global/per program).
if (virtualizeTranslators && !preferCached)
virtCache = TempDirMaker_make();
if (inputDir != null) {
ioBaseDir = TempDirMaker_make();
System.out.println("Taking input from: " + inputDir.getAbsolutePath());
System.out.println("Output is in: " + new File(ioBaseDir, "output").getAbsolutePath());
copyInput(inputDir, new File(ioBaseDir, "input"));
}
if (logOn)
logStart(args);
javaxmain(src, ioBaseDir, translate, list, programArgs.toArray(new String[programArgs.size()]));
if (outputDir != null) {
copyInput(new File(ioBaseDir, "output"), outputDir);
System.out.println("Output copied to: " + outputDir.getAbsolutePath());
}
if (verbose) {
// print stats
System.out.println("Processes started: " + processesStarted + ", compilations: " + compilations);
}
}
public static void javaxmain(String src, File ioDir, boolean translate, boolean list,
String[] args) throws Exception {
String programID = isSnippetID(src) ? "" + parseSnippetID(src) : null;
if (programID != null)
System.err.println("JavaX TRANSLATE " + programID + " " + smartJoin(args));
List<File> libraries = new ArrayList<File>();
File X = transpileMain(src, libraries);
if (verbose)
print("After transpileMain: " + X);
if (X == null) {
showVersion();
if (fullArgs != null) {
String[] nargs;
if (fullArgs.length == 0)
nargs = new String[] {"1000825"}; // swing-start
else {
// forward to search
nargs = new String[fullArgs.length+1];
nargs[0] = "636";
// nargs[1] = "search-runnables";
System.arraycopy(fullArgs, 0, nargs, 1, fullArgs.length);
}
main(nargs); // Hopefully we get no infinite recursion :)
return;
}
System.out.println("No main.java found, exiting");
return;
}
info.transpiledSrc = X;
// list or run
if (translate) {
File to = X;
if (translateTo != null) {
StringBuilder buf = new StringBuilder();
for (File f : libraries) buf.append(f.getName()+"\n");
if (new File(translateTo).isDirectory()) {
to = new File(translateTo, "main.java");
saveTextFile(new File(translateTo, "libraries.txt").getPath(), buf.toString());
} else {
to = new File(translateTo);
saveTextFile(new File(translateTo + "_libraries").getPath(), buf.toString());
}
}
if (to != X)
copy(new File(X, "main.java"), to);
System.out.println("Program translated to: " + to.getAbsolutePath());
} else if (list)
System.out.println(loadTextFile(new File(X, "main.java").getPath(), null));
else {
if (programID != null)
System.err.println("JavaX RUN " + programID + " " + smartJoin(args));
System.err.println(); // Make empty line before actual program starts
javax2(X, ioDir, false, runMainInProcess, libraries, args, null, programID, info);
System.out.println("[main done]");
// cleanup reportToChat thread
if (reportToChat_q != null) {
if (verbose) System.out.println("Closing reportToChat queue");
reportToChat_q.done();
}
}
}
static File transpileMain(String src, List<File> libraries) throws Exception {
File srcDir;
boolean isTranspiled = false;
if (isSnippetID(src)) {
prefetch(src);
long id = parseSnippetID(src);
prefetched.remove(id); // hackfix to ensure transpiled main program is found.
srcDir = loadSnippetAsMainJava(src);
if (verbose)
System.err.println("hasTranspiledSet: " + hasTranspiledSet);
if (hasTranspiledSet.contains(id) && useServerTranspiled) {
//System.err.println("Trying pretranspiled main program: #" + id);
String transpiledSrc = getServerTranspiled("#" + id);
int i = transpiledSrc.indexOf('\n');
String libs = transpiledSrc.substring(0, Math.max(0, i));
transpiledSrc = transpiledSrc.substring(i+1);
if (!transpiledSrc.isEmpty()) {
srcDir = TempDirMaker_make();
saveTextFile(new File(srcDir, "main.java").getPath(), transpiledSrc);
isTranspiled = true;
//translationCache.put(id, new Object[] {srcDir, libraries});
Matcher m = Pattern.compile("\\d+").matcher(libs);
while (m.find()) {
String libid = m.group();
File libraryFile = DiskSnippetCache_getLibrary(parseSnippetID(libid));
loadLibrary(libid, libraries, libraryFile);
}
}
}
} else {
srcDir = new File(src);
// if the argument is a file, it is assumed to be main.java
if (srcDir.isFile()) {
srcDir = TempDirMaker_make();
copy(new File(src), new File(srcDir, "main.java"));
}
if (!new File(srcDir, "main.java").exists())
return null;
}
// translate
File X = srcDir;
if (!isTranspiled) {
X = topLevelTranslate(X, libraries);
System.err.println("Translated " + src);
// save prefetch data
if (isSnippetID(src))
savePrefetchData(src);
}
return X;
}
private static void prefetch(String mainSnippetID) throws IOException {
if (noPrefetch) return;
long mainID = parseSnippetID(mainSnippetID);
String s = mainID + " " + loadTextFile(new File(userHome(), ".tinybrain/prefetch/" + mainID + ".txt").getPath(), "");
String[] ids = s.trim().split(" ");
if (ids.length > 1) {
String url = "http://tinybrain.de:8080/tb-int/prefetch.php?ids=" + URLEncoder.encode(s, "UTF-8");
String data = loadPage(new URL(url));
String[] split = data.split(" ");
if (split.length == ids.length)
for (int i = 0; i < ids.length; i++)
prefetched.put(parseSnippetID(ids[i]), split[i]);
}
}
static String getDexCacheHome() {
return ((File) call(androidContext, "getFilesDir")).getAbsolutePath();
}
static String _userHome;
static String userHome() {
if (_userHome == null) {
if (isAndroid())
_userHome = "/storage/sdcard0/";
else
_userHome = System.getProperty("user.home");
//System.out.println("userHome: " + _userHome);
}
return _userHome;
}
private static void savePrefetchData(String mainSnippetID) throws IOException {
List<String> ids = new ArrayList<String>();
long mainID = parseSnippetID(mainSnippetID);
for (long id : memSnippetCache.keySet())
if (id != mainID)
ids.add(String.valueOf(id));
saveTextFile(new File(userHome(),".tinybrain/prefetch/" + mainID + ".txt").getPath(), join(" ", ids));
}
static File topLevelTranslate(File srcDir, List<File> libraries_out) throws Exception {
File X = srcDir;
X = applyTranslators(X, mainTranslators, libraries_out); // translators supplied on command line (unusual)
// actual inner translation of the JavaX source
X = defaultTranslate(X, libraries_out);
return X;
}
private static File defaultTranslate(File x, List<File> libraries_out) throws Exception {
x = luaPrintToJavaPrint(x);
x = repeatAutoTranslate(x, libraries_out);
return x;
}
private static File repeatAutoTranslate(File x, List<File> libraries_out) throws Exception {
List<String[]> postTranslators = new ArrayList<String[]>();
while (true) {
String main = loadTextFile(new File(x, "main.java").getPath(), null);
List<String> lines = toLines(main);
List<String[]> t = findPostTranslators(lines);
postTranslators.addAll(t);
if (!t.isEmpty()) {
main = fromLines(lines);
x = TempDirMaker_make();
saveTextFile(new File(x, "main.java").getPath(), main);
}
File y = autoTranslate(x, libraries_out);
if (y == x)
break;
x = y;
}
x = applyTranslators(x, postTranslators, libraries_out);
return x;
}
private static File autoTranslate(File x, List<File> libraries_out) throws Exception {
String main = loadTextFile(new File(x, "main.java").getPath(), null);
List<String> lines = toLines(main);
List<String[]> translators = findTranslators(lines);
if (translators.isEmpty())
return x;
main = fromLines(lines);
File newDir = TempDirMaker_make();
saveTextFile(new File(newDir, "main.java").getPath(), main);
return applyTranslators(newDir, translators, libraries_out);
}
static List<String[]> findTranslators(List<String> lines) {
List<String[]> translators = new ArrayList<String[]>();
Pattern pattern = Pattern.compile("^!([0-9# \t]+)");
Pattern pArgs = Pattern.compile("^\\s*\\((.*)\\)");
for (ListIterator<String> iterator = lines.listIterator(); iterator.hasNext(); ) {
String line = iterator.next();
line = line.trim();
Matcher matcher = pattern.matcher(line);
if (matcher.find()) {
String[] t = matcher.group(1).split("[ \t]+");
String rest = line.substring(matcher.end());
String arg = null;
if (t.length == 1) {
Matcher mArgs = pArgs.matcher(rest);
if (mArgs.find())
arg = mArgs.group(1);
}
for (String transi : t)
translators.add(new String[]{transi, arg});
iterator.remove();
}
}
return translators;
}
static List<String[]> findPostTranslators(List<String> lines) {
List<String[]> translators = new ArrayList<String[]>();
Pattern pattern = Pattern.compile("^!post\\s*([0-9# \t]+)");
Pattern pArgs = Pattern.compile("^\\s*\\((.*)\\)");
for (ListIterator<String> iterator = lines.listIterator(); iterator.hasNext(); ) {
String line = iterator.next();
line = line.trim();
Matcher matcher = pattern.matcher(line);
if (matcher.find()) {
String[] t = matcher.group(1).split("[ \t]+");
String rest = line.substring(matcher.end());
String arg = null;
if (t.length == 1) {
Matcher mArgs = pArgs.matcher(rest);
if (mArgs.find())
arg = mArgs.group(1);
}
for (String transi : t)
translators.add(new String[]{transi, arg});
iterator.remove();
}
}
return translators;
}
public static List<String> toLines(String s) {
List<String> lines = new ArrayList<String>();
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;
}
private static int toLines_nextLineBreak(String s, int start) {
for (int i = start; i < s.length(); i++) {
char c = s.charAt(i);
if (c == '\r' || c == '\n')
return i;
}
return -1;
}
public static String fromLines(List<String> lines) {
StringBuilder buf = new StringBuilder();
for (String line : lines) {
buf.append(line).append('\n');
}
return buf.toString();
}
private static File applyTranslators(File x, List<String[]> translators, List<File> libraries_out) throws Exception {
for (String[] translator : translators)
x = applyTranslator(x, translator[0], translator[1], libraries_out);
return x;
}
// also takes a library
private static File applyTranslator(File x, String translator, String arg, List<File> libraries_out) throws Exception {
if (verbose)
System.out.println("Using translator " + translator + " on sources in " + x.getPath());
File newDir = runTranslatorOnInput(translator, null, arg, x, !verbose, libraries_out);
if (!new File(newDir, "main.java").exists()) {
throw new Exception("Translator " + translator + " did not generate main.java");
// TODO: show translator output
}
if (verbose)
System.out.println("Translated with " + translator + " from " + x.getPath() + " to " + newDir.getPath());
x = newDir;
return x;
}
private static File luaPrintToJavaPrint(File x) throws IOException {
File newDir = TempDirMaker_make();
String code = loadTextFile(new File(x, "main.java").getPath(), null);
code = luaPrintToJavaPrint(code);
saveTextFile(new File(newDir, "main.java").getPath(), code);
return newDir;
}
public static String luaPrintToJavaPrint(String code) {
return ("\n" + code).replaceAll(
"(\n\\s*)print (\".*\")",
"$1System.out.println($2);").substring(1);
}
public static File loadSnippetAsMainJava(String snippetID) throws IOException {
checkProgramSafety(snippetID);
File srcDir = TempDirMaker_make();
saveTextFile(new File(srcDir, "main.java").getPath(), loadSnippet(snippetID));
return srcDir;
}
public static File loadSnippetAsMainJavaVerified(String snippetID, String hash) throws IOException {
checkProgramSafety(snippetID);
File srcDir = TempDirMaker_make();
saveTextFile(new File(srcDir, "main.java").getPath(), loadSnippetVerified(snippetID, hash));
return srcDir;
}
@SuppressWarnings( "unchecked" )
/** returns output dir */
private static File runTranslatorOnInput(String snippetID, String hash, String arg, File input,
boolean silent,
List<File> libraries_out) throws Exception {
if (safeTranslate)
checkProgramSafetyImpl(snippetID);
long id = parseSnippetID(snippetID);
// It's a library, not a translator.
File libraryFile = DiskSnippetCache_getLibrary(id);
if (verbose)
System.out.println("Library file for " + id + ": " + libraryFile);
if (libraryFile != null) {
loadLibrary(snippetID, libraries_out, libraryFile);
return input;
}
String[] args = arg != null ? new String[]{arg} : new String[0];
File srcDir = hash == null ? loadSnippetAsMainJava(snippetID)
: loadSnippetAsMainJavaVerified(snippetID, hash);
long mainJavaSize = new File(srcDir, "main.java").length();
if (verbose)
System.out.println(snippetID + ": length = " + mainJavaSize);
if (mainJavaSize == 0) { // no text in snippet? assume it's a library
loadLibrary(snippetID, libraries_out, libraryFile);
return input;
}
List<File> libraries = new ArrayList<File>();
Object[] cached = translationCache.get(id);
if (cached != null) {
//System.err.println("Taking translator " + snippetID + " from cache!");
srcDir = (File) cached[0];
libraries = (List<File>) cached[1];
} else if (hasTranspiledSet.contains(id) && useServerTranspiled) {
System.err.println("Trying pretranspiled translator: #" + snippetID);
String transpiledSrc = getServerTranspiled(snippetID);
transpiledSrc = transpiledSrc.substring(transpiledSrc.indexOf('\n')+1);
// TODO: check for libraries
if (!transpiledSrc.isEmpty()) {
srcDir = TempDirMaker_make();
saveTextFile(new File(srcDir, "main.java").getPath(), transpiledSrc);
translationCache.put(id, cached = new Object[] {srcDir, libraries});
}
}
File ioBaseDir = TempDirMaker_make();
/*Class<?> mainClass = programCache.get("" + parseSnippetID(snippetID));
if (mainClass != null)
return runCached(ioBaseDir, input, args);*/
// Doesn't work yet because virtualized directories are hardcoded in translator...
if (cached == null) {
System.err.println("Translating translator #" + id);
if (translating.contains(id))
throw new RuntimeException("Recursive translator reference chain including #" + id);
translating.add(id);
try {
srcDir = defaultTranslate(srcDir, libraries);
} finally {
translating.remove(id);
}
System.err.println("Translated translator #" + id);
translationCache.put(id, new Object[]{srcDir, libraries});
}
boolean runInProcess = false;
if (virtualizeTranslators) {
if (verbose) System.out.println("Virtualizing translator");
// TODO: don't virtualize class _javax (as included in, say, #636)
//srcDir = applyTranslator(srcDir, "#2000351"); // I/O-virtualize the translator
// that doesn't work because it recurses infinitely...
// So we do it right here:
String s = loadTextFile(new File(srcDir, "main.java").getPath(), null);
s = s.replaceAll("new\\s+File\\(", "virtual.newFile(");
s = s.replaceAll("new\\s+FileInputStream\\(", "virtual.newFileInputStream(");
s = s.replaceAll("new\\s+FileOutputStream\\(", "virtual.newFileOutputStream(");
s += "\n\n" + loadSnippet("#2000355"); // load class virtual
// forward snippet cache (virtualized one)
File dir = virtCache != null ? virtCache : DiskSnippetCache_dir;
s = s.replace("static File DiskSnippetCache_dir" + ";",
"static File DiskSnippetCache_dir " + "= new File(" + javaQuote(dir.getAbsolutePath()) + ");"); // extra + is necessary for Dumb TinyBrain :)
s = s.replace("static boolean preferCached = false;", "static boolean preferCached = true;");
if (verbose) {
System.out.println("==BEGIN VIRTUALIZED TRANSLATOR==");
System.out.println(s);
System.out.println("==END VIRTUALIZED TRANSLATOR==");
}
srcDir = TempDirMaker_make();
saveTextFile(new File(srcDir, "main.java").getPath(), s);
// TODO: silence translator also
runInProcess = true;
}
return runJavaX(ioBaseDir, srcDir, input, silent, runInProcess, libraries,
args, cacheTranslators ? "" + id : null, "" + id);
}
private static String getServerTranspiled(String snippetID) throws IOException {
long id = parseSnippetID(snippetID);
URL url = new URL("http://tinybrain.de:8080/tb-int/get-transpiled.php?raw=1&withlibs=1&id=" + id);
return loadPage(url);
}
static void checkProgramSafety(String snippetID) throws IOException {
if (!safeOnly) return;
checkProgramSafetyImpl(snippetID);
}
static void checkProgramSafetyImpl(String snippetID) throws IOException {
URL url = new URL("http://tinybrain.de:8080/tb-int/is-javax-safe.php?id=" + parseSnippetID(snippetID));
String text = loadPage(url);
if (!text.startsWith("{\"safe\":\"1\"}"))
throw new RuntimeException("Program not safe: #" + parseSnippetID(snippetID));
}
static void loadLibrary(String snippetID, List<File> libraries_out, File libraryFile) throws IOException {
if (verbose)
System.out.println("Assuming " + snippetID + " is a library.");
if (libraryFile == null) {
byte[] data = loadDataSnippetImpl(snippetID);
DiskSnippetCache_putLibrary(parseSnippetID(snippetID), data);
libraryFile = DiskSnippetCache_getLibrary(parseSnippetID(snippetID));
}
if (!libraries_out.contains(libraryFile))
libraries_out.add(libraryFile);
}
private static byte[] loadDataSnippetImpl2(String snippetID) throws IOException {
byte[] data;
try {
URL url = new URL("http://eyeocr.sourceforge.net/filestore/filestore.php?cmd=serve&file=blob_"
+ parseSnippetID(snippetID) + "&contentType=application/binary");
System.err.println("Loading library: " + url);
data = loadBinaryPage(url.openConnection());
if (verbose)
System.err.println("Bytes loaded: " + data.length);
} catch (FileNotFoundException e) {
throw new IOException("Binary snippet #" + snippetID + " not found or not public");
}
return data;
}
/** returns output dir */
private static File runJavaX(File ioBaseDir, File originalSrcDir, File originalInput,
boolean silent, boolean runInProcess,
List<File> libraries, String[] args, String cacheAs,
String programID) throws Exception {
File srcDir = new File(ioBaseDir, "src");
File inputDir = new File(ioBaseDir, "input");
File outputDir = new File(ioBaseDir, "output");
copyInput(originalSrcDir, srcDir);
copyInput(originalInput, inputDir);
javax2(srcDir, ioBaseDir, silent, runInProcess, libraries, args, cacheAs, programID, null);
return outputDir;
}
private static void copyInput(File src, File dst) throws IOException {
copyDirectory(src, dst);
}
public static boolean hasFile(File inputDir, String name) {
return new File(inputDir, name).exists();
}
public static void copyDirectory(File src, File dst) throws IOException {
if (verbose) System.out.println("Copying " + src.getAbsolutePath() + " to " + dst.getAbsolutePath());
dst.mkdirs();
File[] files = src.listFiles();
if (files == null) return;
for (File file : files) {
File dst1 = new File(dst, file.getName());
if (file.isDirectory())
copyDirectory(file, dst1);
else {
if (verbose) System.out.println("Copying " + file.getAbsolutePath() + " to " + dst1.getAbsolutePath());
copy(file, dst1);
}
}
}
/** Quickly copy a file without a progress bar or any other fancy GUI... :) */
public static void copy(File src, File dest) throws IOException {
FileInputStream inputStream = newFileInputStream(src);
FileOutputStream outputStream = newFileOutputStream(dest);
try {
copy(inputStream, outputStream);
inputStream.close();
} finally {
outputStream.close();
}
}
static Object call(Object o, String method, Object... args) {
try {
Method m = call_findMethod(o, method, args, false);
m.setAccessible(true);
return m.invoke(o, args);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Object call(Class c, String method, Object... args) {
try {
Method m = call_findStaticMethod(c, method, args, false);
m.setAccessible(true);
return m.invoke(null, args);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (debug)
System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
if (!m.getName().equals(method)) {
if (debug) System.out.println("Method name mismatch: " + method);
continue;
}
if ((m.getModifiers() & Modifier.STATIC) == 0 || !call_checkArgs(m, args, debug))
continue;
return m;
}
c = c.getSuperclass();
}
throw new RuntimeException("Method '" + method + "' (static) with " + args.length + " parameter(s) not found in " + c.getName());
}
static Method call_findMethod(Object o, String method, Object[] args, boolean debug) {
Class c = o.getClass();
while (c != null) {
for (Method m : c.getDeclaredMethods()) {
if (debug)
System.out.println("Checking method " + m.getName() + " with " + m.getParameterTypes().length + " parameters");;
if (m.getName().equals(method) && call_checkArgs(m, args, debug))
return m;
}
c = c.getSuperclass();
}
throw new RuntimeException("Method '" + method + "' (non-static) with " + args.length + " parameter(s) not found in " + o.getClass().getName());
}
private static boolean call_checkArgs(Method m, Object[] args, boolean debug) {
Class<?>[] types = m.getParameterTypes();
if (types.length != args.length) {
if (debug)
System.out.println("checkArgs: 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("checkArgs: Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
return false;
}
return true;
}
private static FileInputStream newFileInputStream(File f) throws FileNotFoundException {
/*if (androidContext != null)
return (FileInputStream) call(androidContext,
"openFileInput", f.getPath());
else*/
return new // line break for Dumb TinyBrain :)
FileInputStream(f);
}
private static FileOutputStream newFileOutputStream(File f) throws FileNotFoundException {
/*if (androidContext != null)
return (FileOutputStream) call(androidContext,
"openFileOutput", f.getPath(), 0);
else*/
return new // line break for Dumb TinyBrain :)
FileOutputStream(f);
}
public static void copy(InputStream in, OutputStream out) throws IOException {
byte[] buf = new byte[65536];
while (true) {
int n = in.read(buf);
if (n <= 0) return;
out.write(buf, 0, n);
}
}
/** 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";
FileOutputStream fileOutputStream = newFileOutputStream(new File(tempFileName));
OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, charsetForTextFiles);
PrintWriter printWriter = new PrintWriter(outputStreamWriter);
printWriter.print(contents);
printWriter.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);
}
/** writes safely (to temp file, then rename) */
public static void saveBinaryFile(String fileName, byte[] contents) throws IOException {
File file = new File(fileName);
File parentFile = file.getParentFile();
if (parentFile != null)
parentFile.mkdirs();
String tempFileName = fileName + "_temp";
FileOutputStream fileOutputStream = newFileOutputStream(new File(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);
}
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();
} // loadTextFile
static File DiskSnippetCache_dir;
public static void initDiskSnippetCache(File dir) {
DiskSnippetCache_dir = dir;
dir.mkdirs();
}
// Data files are immutable, use centralized cache
public static synchronized File DiskSnippetCache_getLibrary(long snippetID) throws IOException {
File file = new File(getGlobalCache(), "data_" + snippetID + ".jar");
if (verbose)
System.out.println("Checking data cache: " + file.getPath());
return file.exists() ? file : null;
}
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 synchronized void DiskSnippetCache_putLibrary(long snippetID, byte[] data) throws IOException {
saveBinaryFile(new File(getGlobalCache(), "data_" + snippetID).getPath() + ".jar", data);
}
public static File DiskSnippetCache_getDir() {
return DiskSnippetCache_dir;
}
public static void initSnippetCache() {
if (DiskSnippetCache_dir == null)
initDiskSnippetCache(getGlobalCache());
}
private static File getGlobalCache() {
File file = new File(userHome(), ".tinybrain/snippet-cache");
file.mkdirs();
return file;
}
public static String loadSnippetVerified(String snippetID, String hash) throws IOException {
String text = loadSnippet(snippetID);
String realHash = getHash(text.getBytes("UTF-8"));
if (!realHash.equals(hash)) {
String msg;
if (hash.isEmpty())
msg = "Here's your hash for " + snippetID + ", please put in your program: " + realHash;
else
msg = "Hash mismatch for " + snippetID + ": " + realHash + " (new) vs " + hash + " - has tinybrain.de been hacked??";
throw new RuntimeException(msg);
}
return text;
}
public static String getHash(byte[] data) {
return bytesToHex(getFullFingerprint(data));
}
public static byte[] getFullFingerprint(byte[] data) {
try {
return MessageDigest.getInstance("MD5").digest(data);
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
}
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();
}
public static String loadSnippet(String snippetID) throws IOException {
return loadSnippet(parseSnippetID(snippetID));
}
public static long parseSnippetID(String snippetID) {
return Long.parseLong(shortenSnippetID(snippetID));
}
private 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 snippetID;
}
public static boolean isSnippetID(String snippetID) {
snippetID = shortenSnippetID(snippetID);
return isInteger(snippetID) && Long.parseLong(snippetID) != 0;
}
public static boolean isInteger(String s) {
return Pattern.matches("\\-?\\d+", s);
}
public static String loadSnippet(long snippetID) throws IOException {
String text = memSnippetCache.get(snippetID);
if (text != null) {
if (verbose)
System.out.println("Getting " + snippetID + " from mem cache");
return text;
}
initSnippetCache();
text = DiskSnippetCache_get(snippetID);
if (preferCached && text != null) {
if (verbose)
System.out.println("Getting " + snippetID + " from disk cache (preferCached)");
return text;
}
String md5 = text != null ? md5(text) : "-";
if (text != null) {
String hash = prefetched.get(snippetID);
if (hash != null) {
if (md5.equals(hash)) {
memSnippetCache.put(snippetID, text);
if (verbose)
System.out.println("Getting " + snippetID + " from prefetched");
return text;
} else
prefetched.remove(snippetID); // (maybe this is not necessary)
}
}
try {
/*URL url = new URL("http://tinybrain.de:8080/getraw.php?id=" + snippetID);
text = loadPage(url);*/
String theURL = "http://tinybrain.de:8080/getraw.php?id=" + snippetID + "&getmd5=1&utf8=1&usetranspiled=1";
if (text != null) {
//System.err.println("MD5: " + md5);
theURL += "&md5=" + md5;
}
URL url = new URL(theURL);
String page = loadPage(url);
// parse & drop transpilation flag available line
int i = page.indexOf('\n');
boolean hasTranspiled = page.substring(0, i).trim().equals("1");
if (hasTranspiled)
hasTranspiledSet.add(snippetID);
else
hasTranspiledSet.remove(snippetID);
page = page.substring(i+1);
if (page.startsWith("==*#*==")) {
// same, keep text
//System.err.println("Snippet unchanged, keeping.");
} else {
// drop md5 line
i = page.indexOf('\n');
String hash = page.substring(0, i).trim();
text = page.substring(i+1);
String myHash = md5(text);
if (myHash.equals(hash)) {
//System.err.println("Hash match: " + hash);
} else
System.err.println("Hash mismatch");
}
} catch (FileNotFoundException e) {
e.printStackTrace();
throw new IOException("Snippet #" + snippetID + " not found or not public");
}
memSnippetCache.put(snippetID, text);
try {
initSnippetCache();
DiskSnippetCache_put(snippetID, text);
} catch (IOException e) {
System.err.println("Minor warning: Couldn't save snippet to cache (" + DiskSnippetCache_getDir() + ")");
}
return text;
}
private static String md5(String text) {
try {
return bytesToHex(md5impl(text.getBytes("UTF-8"))); // maybe different than the way PHP does it...
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
public static byte[] md5impl(byte[] data) {
try {
return MessageDigest.getInstance("MD5").digest(data);
} catch (NoSuchAlgorithmException e) {
throw new RuntimeException(e);
}
}
private static String loadPage(URL url) throws IOException {
System.err.println("Loading: " + url.toExternalForm());
URLConnection con = url.openConnection();
return loadPage(con, url);
}
public static String loadPage(URLConnection con, URL url) throws IOException {
setHeaders(con);
String contentType = con.getContentType();
if (contentType == null)
throw new IOException("Page could not be read: " + url);
//Log.info("Content-Type: " + contentType);
String charset = guessCharset(contentType);
//System.err.println("Charset: " + charset);
Reader r = new InputStreamReader(con.getInputStream(), charset);
StringBuilder buf = new StringBuilder();
while (true) {
int ch = r.read();
if (ch < 0)
break;
//Log.info("Chars read: " + buf.length());
buf.append((char) ch);
}
return buf.toString();
}
public static byte[] loadBinaryPage(URLConnection con) throws IOException {
setHeaders(con);
return loadBinaryPage_noHeaders(con);
}
private static byte[] loadBinaryPage_noHeaders(URLConnection con) throws IOException {
ByteArrayOutputStream buf = new ByteArrayOutputStream();
InputStream inputStream = con.getInputStream();
while (true) {
int ch = inputStream.read();
if (ch < 0)
break;
buf.write(ch);
}
inputStream.close();
return buf.toByteArray();
}
private static void setHeaders(URLConnection con) throws IOException {
String computerID = getComputerID();
if (computerID != null)
con.setRequestProperty("X-ComputerID", computerID);
}
public static String guessCharset(String contentType) {
Pattern p = Pattern.compile("text/html;\\s+charset=([^\\s]+)\\s*");
Matcher m = p.matcher(contentType);
/* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */
return m.matches() ? m.group(1) : "ISO-8859-1";
}
/** runs a transpiled set of sources */
public static void javax2(File srcDir, File ioBaseDir, boolean silent, boolean runInProcess,
List<File> libraries, String[] args, String cacheAs,
String programID, Info info) throws Exception {
if (android) {
// TODO: no translator virtualization? huh?
javax2android(srcDir, args, programID);
} else {
File classesDir = TempDirMaker_make();
String javacOutput = compileJava(srcDir, libraries, classesDir);
// run
if (verbose) System.out.println("Running program (" + srcDir.getAbsolutePath()
+ ") on io dir " + ioBaseDir.getAbsolutePath() + (runInProcess ? "[in-process]" : "") + "\n");
runProgram(javacOutput, classesDir, ioBaseDir, silent, runInProcess, libraries, args, cacheAs, programID, info);
}
}
static Class<?> mainClass;
static Class<?> loadx2android(File srcDir, String programID) throws Exception {
// TODO: optimize if it's a loaded snippet anyway
URL url = new URL("http://tinybrain.de:8080/dexcompile.php");
URLConnection conn = url.openConnection();
String postData = "src=" + URLEncoder.encode(loadTextFile(new File(srcDir, "main.java").getPath(), null), "UTF-8");
byte[] dexData = doPostBinary(postData, conn);
if (!isDex(dexData))
throw new RuntimeException("Dex generation error: " + dexData.length + " bytes - " + new String(dexData, "UTF-8"));
System.out.println("Dex loaded: " + dexData.length + "b");
File dexDir = TempDirMaker_make();
File dexFile = new File(dexDir, System.currentTimeMillis() + ".dex");
File dexOutputDir = TempDirMaker_makeDexCache();
System.out.println("Saving dex to: " + dexDir.getAbsolutePath());
try {
saveBinaryFile(dexFile.getPath(), dexData);
} catch (Throwable e) {
System.out.println("Whoa!");
throw new RuntimeException(e);
}
System.out.println("Getting parent class loader.");
ClassLoader parentClassLoader =
//ClassLoader.getSystemClassLoader(); // does not find support jar
//getClass().getClassLoader(); // Let's try this...
x27.class.getClassLoader().getParent(); // XXX !
//System.out.println("Making DexClassLoader.");
//DexClassLoader classLoader = new DexClassLoader(dexFile.getAbsolutePath(), dexOutputDir.getAbsolutePath(), null,
// parentClassLoader);
Class dcl = Class.forName("dalvik.system.DexClassLoader");
Object classLoader = dcl.getConstructors()[0].newInstance(dexFile.getAbsolutePath(), dexOutputDir.getAbsolutePath(), null,
parentClassLoader);
//System.out.println("Loading main class.");
//Class<?> theClass = classLoader.loadClass(mainClassName);
Class<?> theClass = (Class<?>) call(classLoader, "loadClass", "main");
mainClass = theClass;
//System.out.println("Main class loaded.");
try {
set(theClass, "androidContext", androidContext);
} catch (Throwable e) {}
setVars(theClass, programID);
return theClass;
}
static void javax2android(File srcDir, String[] args, String programID) throws Exception {
Class<?> theClass = loadx2android(srcDir, programID);
Method main = null;
try {
main = call_findStaticMethod(theClass, "main", new Object[]{androidContext}, false);
} catch (RuntimeException e) {
}
//System.out.println("main method for " + androidContext + " of " + theClass + ": " + main);
if (main != null) {
// old style main program that returns a View
System.out.println("Calling main (old-style)");
Object view = main.invoke(null, androidContext);
System.out.println("Calling setContentView with " + view);
call(Class.forName("main"), "setContentViewInUIThread", view);
//call(androidContext, "setContentView", view);
System.out.println("Done.");
} else {
System.out.println("New-style main method running.\n\n====\n");
runMainMethod(args, theClass);
}
}
static byte[] DEX_FILE_MAGIC = { 0x64, 0x65, 0x78, 0x0a, 0x30, 0x33, 0x35, 0x00 };
static boolean isDex(byte[] dexData) {
if (dexData.length < DEX_FILE_MAGIC.length) return false;
for (int i = 0; i < DEX_FILE_MAGIC.length; i++)
if (dexData[i] != DEX_FILE_MAGIC[i])
return false;
return true;
}
static byte[] doPostBinary(String urlParameters, URLConnection conn) throws IOException {
// connect and do POST
setHeaders(conn);
conn.setDoOutput(true);
OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());
writer.write(urlParameters);
writer.flush();
byte[] contents = loadBinaryPage_noHeaders(conn);
writer.close();
return contents;
}
static String compileJava(File srcDir, List<File> libraries, File classesDir) throws IOException {
javaCompilerOutput = null;
++compilations;
// collect sources
List<File> sources = new ArrayList<File>();
if (verbose) System.out.println("Scanning for sources in " + srcDir.getPath());
scanForSources(srcDir, sources, true);
if (sources.isEmpty())
throw new IOException("No sources found");
// compile
File optionsFile = File.createTempFile("javax", "");
if (verbose) System.out.println("Compiling " + sources.size() + " source(s) to " + classesDir.getPath());
if (verbose) System.out.println("Libraries: " + libraries);
String options = "-d " + bashQuote(classesDir.getPath());
writeOptions(sources, libraries, optionsFile, options);
classesDir.mkdirs();
return javaCompilerOutput = invokeJavaCompiler(optionsFile);
}
private static void runProgram(String javacOutput, File classesDir, File ioBaseDir,
boolean silent, boolean runInProcess,
List<File> libraries, String[] args, String cacheAs,
String programID, Info info) throws Exception {
// print javac output if compile failed and it hasn't been printed yet
if (info != null) {
info.programID = programID;
info.programArgs = args;
}
boolean didNotCompile = !didCompile(classesDir);
if (verbose || didNotCompile)
System.out.println(javacOutput);
if (didNotCompile)
return;
if (runInProcess
|| (ioBaseDir.getAbsolutePath().equals(new File(".").getAbsolutePath()) && !silent)) {
runProgramQuick(classesDir, libraries, args, cacheAs, programID, info, ioBaseDir);
return;
}
boolean echoOK = false;
// TODO: add libraries to class path
String bashCmd = "(cd " + bashQuote(ioBaseDir.getAbsolutePath()) + " && (java -cp "
+ bashQuote(classesDir.getAbsolutePath()) + " main" + (echoOK ? "; echo ok" : "") + "))";
if (verbose) System.out.println(bashCmd);
String output = backtick(bashCmd);
lastOutput = output;
if (verbose || !silent)
System.out.println(output);
}
static boolean didCompile(File classesDir) {
return hasFile(classesDir, "main.class");
}
private static void runProgramQuick(File classesDir, List<File> libraries,
String[] args, String cacheAs,
String programID, Info info,
File ioBaseDir) throws Exception {
// collect urls
URL[] urls = new URL[libraries.size()+1];
urls[0] = classesDir.toURI().toURL();
for (int i = 0; i < libraries.size(); i++)
urls[i+1] = libraries.get(i).toURI().toURL();
// make class loader
URLClassLoader classLoader = new URLClassLoader(urls);
// load JavaX main class
Class<?> mainClass = classLoader.loadClass("main");
if (info != null)
info.mainClass = mainClass;
if (cacheAs != null)
programCache.put(cacheAs, mainClass);
// change baseDir
try {
//print("Changing base dir to " + ioBaseDir.getAbsolutePath());
Class virtual = mainClass.getClassLoader().loadClass("virtual");
set(virtual, "virtual_baseDir", ioBaseDir.getAbsolutePath());
} catch (Throwable e) { /* whatever */ }
setVars(mainClass, programID);
runMainMethod(args, mainClass);
}
static void setVars(Class<?> theClass, String programID) {
try {
set(theClass, "programID", programID);
} catch (Throwable e) {}
try {
set(theClass, "__javax", x27.class);
} catch (Throwable e) {}
}
static void runMainMethod(Object args, Class<?> mainClass) throws NoSuchMethodException, IllegalAccessException, InvocationTargetException {
Method main = mainClass.getMethod("main", String[].class);
main.invoke(null, args);
}
static String invokeJavaCompiler(File optionsFile) throws IOException {
String output;
if (hasEcj() && !javacOnly)
output = invokeEcj(optionsFile);
else
output = invokeJavac(optionsFile);
if (verbose) System.out.println(output);
return output;
}
private static boolean hasEcj() {
try {
Class.forName("org.eclipse.jdt.internal.compiler.batch.Main");
return true;
} catch (ClassNotFoundException e) {
return false;
}
}
private static String invokeJavac(File optionsFile) throws IOException {
String output;
output = backtick("javac " + bashQuote("@" + optionsFile.getPath()));
if (exitValue != 0) {
System.out.println(output);
throw new RuntimeException("javac returned errors.");
}
return output;
}
// throws ClassNotFoundException if ecj is not in classpath
static String invokeEcj(File optionsFile) {
try {
StringWriter writer = new StringWriter();
PrintWriter printWriter = new PrintWriter(writer);
// add more eclipse options in the line below
String[] args = {"@" + optionsFile.getPath(),
"-source", javaTarget,
"-target", javaTarget,
"-nowarn"
};
Class ecjClass = Class.forName("org.eclipse.jdt.internal.compiler.batch.Main");
Object main = newInstance(ecjClass, printWriter, printWriter, false);
call(main, "compile", new Object[]{args});
int errors = (Integer) get(main, "globalErrorsCount");
String output = writer.toString();
if (errors != 0) {
System.out.println(output);
throw new RuntimeException("Java compiler returned errors.");
}
return output;
} catch (Exception e) {
throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
}
}
static Object newInstance(Class c, Object... args) { try {
Constructor m = findConstructor(c, args);
m.setAccessible(true);
return m.newInstance(args);
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
static Constructor findConstructor(Class c, Object... args) {
for (Constructor m : c.getDeclaredConstructors()) {
if (!checkArgs(m.getParameterTypes(), args, verbose))
continue;
return m;
}
throw new RuntimeException("Constructor with " + args.length + " matching parameter(s) not found in " + c.getName());
}
static boolean 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;
}
// extended to handle primitive types
private 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;
return type.isInstance(arg);
}
private static void writeOptions(List<File> sources, List<File> libraries,
File optionsFile, String moreOptions) throws IOException {
FileWriter writer = new FileWriter(optionsFile);
for (File source : sources)
writer.write(bashQuote(source.getPath()) + " ");
if (!libraries.isEmpty()) {
List<String> cp = new ArrayList<String>();
for (File lib : libraries)
cp.add(lib.getAbsolutePath());
writer.write("-cp " + bashQuote(join(File.pathSeparator, cp)) + " ");
}
writer.write(moreOptions);
writer.close();
}
static void scanForSources(File source, List<File> sources, boolean topLevel) {
if (source.isFile() && source.getName().endsWith(".java"))
sources.add(source);
else if (source.isDirectory() && !isSkippedDirectoryName(source.getName(), topLevel)) {
File[] files = source.listFiles();
for (File file : files)
scanForSources(file, sources, false);
}
}
private static boolean isSkippedDirectoryName(String name, boolean topLevel) {
if (topLevel) return false; // input or output ok as highest directory (intentionally specified by user, not just found by a directory scan in which case we probably don't want it. it's more like heuristics actually.)
return name.equalsIgnoreCase("input") || name.equalsIgnoreCase("output");
}
static int exitValue;
public static String backtick(String cmd) throws IOException {
++processesStarted;
File outFile = File.createTempFile("_backtick", "");
File scriptFile = File.createTempFile("_backtick", isWindows() ? ".bat" : "");
String command = cmd + " >" + bashQuote(outFile.getPath()) + " 2>&1";
//Log.info("[Backtick] " + command);
try {
saveTextFile(scriptFile.getPath(), command);
String[] command2;
if (isWindows())
command2 = new String[] { scriptFile.getPath() };
else
command2 = new String[] { "/bin/bash", scriptFile.getPath() };
Process process = Runtime.getRuntime().exec(command2);
try {
process.waitFor();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
exitValue = process.exitValue();
if (verbose)
System.out.println("Process return code: " + exitValue);
return loadTextFile(outFile.getPath(), "");
} finally {
scriptFile.delete();
}
}
/** possibly improvable */
public static String javaQuote(String text) {
return bashQuote(text);
}
/** possibly improvable */
public static String bashQuote(String text) {
if (text == null) return null;
return "\"" + text
.replace("\\", "\\\\")
.replace("\"", "\\\"")
.replace("\n", "\\n")
.replace("\r", "\\r") + "\"";
}
public final static String charsetForTextFiles = "UTF8";
static long TempDirMaker_lastValue;
public static File TempDirMaker_makeDexCache() {
File dir = new File(getDexCacheHome(), ".javax/" + TempDirMaker_newValue());
dir.mkdirs();
return dir;
}
public static File TempDirMaker_make() {
File dir = new File(userHome(), ".javax/" + TempDirMaker_newValue());
dir.mkdirs();
return dir;
}
private static long TempDirMaker_newValue() {
long value;
do
value = System.currentTimeMillis();
while (value == TempDirMaker_lastValue);
TempDirMaker_lastValue = value;
return value;
}
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);
}
// join
public static boolean isWindows() {
return System.getProperty("os.name").contains("Windows");
}
public static String makeRandomID(int length) {
Random random = new 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 computerID;
public static String getComputerID() throws IOException {
if (noID) return null;
if (computerID == null) {
File file = new File(userHome(), ".tinybrain/computer-id");
computerID = loadTextFile(file.getPath(), null);
if (computerID == null) {
computerID = makeRandomID(12);
saveTextFile(file.getPath(), computerID);
}
if (verbose)
System.out.println("Local computer ID: " + computerID);
}
return computerID;
}
static int fileDeletions;
static void cleanCache() {
try {
if (verbose)
System.out.println("Cleaning cache");
fileDeletions = 0;
File javax = new File(userHome(), ".javax");
long now = System.currentTimeMillis();
File[] files = javax.listFiles();
if (files != null) for (File dir : files) {
if (dir.isDirectory() && Pattern.compile("\\d+").matcher(dir.getName()).matches()) {
long time = Long.parseLong(dir.getName());
long seconds = (now - time) / 1000;
long minutes = seconds / 60;
long hours = minutes / 60;
if (hours >= tempFileRetentionTime) {
//System.out.println("Can delete " + dir.getAbsolutePath() + ", age: " + hours + " h");
removeDir(dir);
}
}
}
if (verbose && fileDeletions != 0)
System.out.println("Cleaned cache. File deletions: " + fileDeletions);
} catch (Throwable e) {
e.printStackTrace();
}
}
static void removeDir(File dir) {
if (dir.getAbsolutePath().indexOf(".javax") < 0) // security check!
return;
for (File f : dir.listFiles()) {
if (f.isDirectory())
removeDir(f);
else {
if (verbose)
System.out.println("Deleting " + f.getAbsolutePath());
f.delete();
++fileDeletions;
}
}
dir.delete();
}
static void showSystemProperties() {
System.out.println("System properties:\n");
for (Map.Entry<Object, Object> entry : System.getProperties().entrySet()) {
System.out.println(" " + entry.getKey() + " = " + entry.getValue());
}
System.out.println();
}
static void showVersion() {
//showSystemProperties();
boolean eclipseFound = hasEcj();
//String platform = System.getProperty("java.vendor") + " " + System.getProperty("java.runtime.name") + " " + System.getProperty("java.version");
String platform = System.getProperty("java.vm.name") + " " + System.getProperty("java.version");
String os = System.getProperty("os.name"), arch = System.getProperty("os.arch");
System.out.println("This is " + version + ".");
System.out.println("[Details: " +
(eclipseFound ? "Eclipse compiler (good)" : "javac (not so good)")
+ ", " + platform + ", " + arch + ", " + os + "]");
}
static boolean isAndroid() {
return System.getProperty("java.vendor").toLowerCase().indexOf("android") >= 0;
}
static void set(Object o, String field, Object value) {
if (o instanceof Class) set((Class) o, field, value);
else try {
Field f = set_findField(o.getClass(), field);
f.setAccessible(true);
f.set(o, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static void set(Class c, String field, Object value) {
try {
Field f = set_findStaticField(c, field);
f.setAccessible(true);
f.set(null, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field set_findField(Class<?> c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field))
return f;
throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
}
static Field set_findStaticField(Class<?> c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
return f;
throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
} // set function
static String smartJoin(String[] args) {
String[] a2 = new String[args.length];
for (int i = 0; i < args.length; i++) {
a2[i] = Pattern.compile("\\w+").matcher(args[i]).matches() ? args[i] : quote(args[i]);
}
return join(" ", a2);
}
static void logStart(String[] args) throws IOException {
String line = smartJoin(args);
appendToLog(new File(userHome(), ".javax/log.txt").getPath(), line);
}
static String quote(String s) {
if (s == null) return "null";
return "\"" + s.replace("\\", "\\\\").replace("\"", "\\\"").replace("\r", "\\r").replace("\n", "\\n") + "\"";
}
static void appendToLog(String path, String line) throws IOException {
appendToFile(path, "\n" + line + "\n");
}
static void appendToFile(String path, String s) throws IOException {
new File(path).getParentFile().mkdirs();
Writer writer = new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(path, true), "UTF-8"));
writer.write(s);
writer.close();
}
static long now_virtualTime;
static long now() {
return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}
static void print(Object o) {
System.out.println(o);
}
static void nohupJavax(String javaxargs) {
try {
File xfile = new File(userHome(), ".javax/x27.jar");
if (!xfile.isFile()) {
String url = "http://tinybrain.de/x27.jar";
byte[] data = loadBinaryPage(new URL(url).openConnection());
if (data.length < 1000000)
throw new RuntimeException("Could not load " + url);
saveBinaryFile(xfile.getPath(), data);
}
String jarPath = xfile.getPath();
nohup("java -jar " + (isWindows() ? winQuote(jarPath) : bashQuote(jarPath)) + " " + javaxargs);
} catch (Exception e) { throw new RuntimeException(e); }
}
/** possibly improvable */
public static String winQuote(String text) {
if (text == null) return null;
return "\"" + text
.replace("\\", "\\\\")
.replace("\"", "\\\"")
.replace("\n", "\\n")
.replace("\r", "\\r") + "\"";
}
public static File nohup(String cmd) throws IOException {
File outFile = File.createTempFile("nohup_" + nohup_sanitize(cmd), ".out");
nohup(cmd, outFile, false);
return outFile;
}
static String nohup_sanitize(String s) {
return s.replaceAll("[^a-zA-Z0-9\\-_]", "");
}
/** outFile takes stdout and stderr. */
public static void nohup(String cmd, File outFile, boolean append) throws IOException {
String command = nohup_makeNohupCommand(cmd, outFile, append);
File scriptFile = File.createTempFile("_realnohup", isWindows() ? ".bat" : "");
System.out.println("[Nohup] " + command);
try {
//System.out.println("[RealNohup] Script file: " + scriptFile.getPath());
saveTextFile(scriptFile.getPath(), command);
String[] command2;
if (isWindows())
command2 = new String[] {"cmd", "/c", "start", "/b", scriptFile.getPath() };
else
command2 = new String[] {"/bin/bash", scriptFile.getPath() };
Process process = Runtime.getRuntime().exec(command2);
try {
process.waitFor();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
int value = process.exitValue();
//System.out.println("exit value: " + value);
} finally {
if (!isWindows())
scriptFile.delete();
}
}
public static String nohup_makeNohupCommand(String cmd, File outFile, boolean append) {
mkdirsForFile(outFile);
String command;
if (isWindows())
command = cmd + (append ? " >>" : " >") + winQuote(outFile.getPath()) + " 2>&1";
else
command = "nohup " + cmd + (append ? " >>" : " >") + bashQuote(outFile.getPath()) + " 2>&1 &";
return command;
}
public static void mkdirsForFile(File file) {
File dir = file.getParentFile();
if (dir != null) // is null if file is in current dir
dir.mkdirs();
}
static void autoReportToChat() {
// TODO: put back in
}
static class Q {
LinkedBlockingQueue<Runnable> q = new LinkedBlockingQueue<Runnable>();
static class Done extends RuntimeException {}
Q() {}
Q(String name, boolean startThread) {
if (startThread)
new Thread(name) {
public void run() {
Q.this.run();
}
}.start();
}
Iterable<Runnable> master() {
return new Iterable<Runnable>() {
public Iterator<Runnable> iterator() {
return new Iterator<Runnable>() {
Runnable x;
public boolean hasNext() { try {
//debug("hasNext");
while (x == null)
x = q.poll(1, TimeUnit.DAYS);
//debug("hasNext true");
return true;
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
public Runnable next() {
//debug("next");
hasNext();
Runnable _x = x;
x = null;
//debug("next " + structure(x));
return _x;
}
public void remove() {
}
};
}
};
}
void add(Runnable r) {
q.add(r);
}
void run() {
for (Runnable r : master()) {
try {
r.run();
} catch (Done e) {
return; // break signal
} catch (Throwable e) {
e.printStackTrace();
}
}
}
void done() {
add(new Runnable() {
public void run() {
throw new Done();
}
});
}
} // class Q
static void reportToChat(final String s, boolean silent) {
if (s == null || s.length() == 0) return;
if (!silent)
print("reportToChat: " + quote(s));
reportToChat_getChatThread().add(new Runnable() {
public void run() { try {
startChatServerIfNotUp();
waitForChatServer();
chatSend(s);
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
}
static Q reportToChat_q;
static Q reportToChat_getChatThread() {
if (reportToChat_q == null)
reportToChat_q = new Q("reportToChat", true);
return reportToChat_q;
}
static void startChatServerIfNotUp() {
if (portIsBound(9751)) {
//print("Chat seems to be up.");
} else {
nohupJavax("1000867");
print("Chat server should be coming up any minute now.");
}
}
static void waitForChatServer() {
if (!portIsBound(9751)) {
//System.out.print("Waiting for chat server... ");
do {
sleep(1000);
} while (!portIsBound(9751));
//print("OK.");
}
}
static boolean portIsBound(int port) {
try {
ServerSocket s = new ServerSocket(port);
s.close();
return false;
} catch (IOException e) {
return true;
}
}
static class LineBuf {
StringBuffer buf = new StringBuffer();
void append(String s) {
buf.append(s);
}
String nextLine() {
int i = buf.indexOf("\n");
if (i >= 0) {
String s = buf.substring(0, i > 0 && buf.charAt(i-1) == '\r' ? i-1 : i);
buf.delete(0, i+1);
return s;
}
return null;
}
} // LineBuf
static void sleep(long ms) {
try {
Thread.sleep(ms);
} catch (Exception e) { throw new RuntimeException(e); }
}
static int chatSend_chatPort = 9751;
static abstract class DialogIO {
abstract boolean isStillConnected();
abstract String readLineNoBlock();
abstract boolean waitForLine();
abstract void sendLine(String line);
abstract boolean isLocalConnection();
abstract Socket getSocket();
}
static abstract class DialogHandler {
abstract void run(DialogIO io);
} // DialogIO
static DialogIO chatSend_dialog;
static String chatSend_id;
static void chatSend(String line) { try {
if (chatSend_dialog == null) {
chatSend_dialog = talkTo("localhost", chatSend_chatPort);
chatSend_dialog.waitForLine();
String l = chatSend_dialog.readLineNoBlock();
if (l.startsWith("Your ID: "))
chatSend_id = l.substring("Your ID: ".length());
}
chatSend_dialog.sendLine(line);
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} // chatSend
static class TeeOutputStream extends OutputStream {
protected OutputStream out, branch;
public TeeOutputStream( OutputStream out, OutputStream branch ) {
this.out = out;
this.branch = branch;
}
@Override
public synchronized void write(byte[] b) throws IOException {
write(b, 0, b.length);
}
@Override
public synchronized void write(byte[] b, int off, int len) throws IOException {
//if (verbose) oldOut.println("Tee write " + new String(b, "UTF-8"));
out.write(b, off, len);
this.branch.write(b, off, len);
}
@Override
public synchronized void write(int b) throws IOException {
write(new byte[] {(byte) b});
}
/**
* Flushes both streams.
* @throws IOException if an I/O error occurs
*/
@Override
public void flush() throws IOException {
out.flush();
this.branch.flush();
}
/**
* Closes both streams.
* @throws IOException if an I/O error occurs
*/
@Override
public void close() throws IOException {
out.close();
this.branch.close();
}
}
static boolean isChatServer(String[] args) {
for (int i = 0; i < args.length; i++)
if (isSnippetID(args[i]))
return parseSnippetID(args[i]) == 1000867;
return false;
}
static String getSnippetTitle(String id) {
try {
return loadPage(new URL("http://tinybrain.de:8080/tb-int/getfield.php?id=" + parseSnippetID(id) + "&field=title"));
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }
}
static void listUserThreadsWithStackTraces() {
print("");
Map<Thread, StackTraceElement[]> threadMap = Thread.getAllStackTraces();
int n = 0;
for (Thread t : threadMap.keySet()) {
ThreadGroup g = t.getThreadGroup();
if (g != null && g.getName().equals("system")) continue;
++n;
print(t);
for (StackTraceElement e : threadMap.get(t)) {
print(" " + e);
}
print("");
}
print(n + " user threads.");
}
static void killMyself() {
print("Killing myself. (insert overall feeling here)");
System.exit(0);
}
static void makeVMAndroid() {
makeAndroidNoConsoleDaemon("This is a JavaX VM.", new StrF() {
public String get(String s) {
try { return answer(s) ; } catch (Exception _e) {
throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
});
}
static class Info {
String programID;
String[] programArgs;
File transpiledSrc;
Class mainClass;
}
static Info info = new Info();
static synchronized String answer(String s) {
Matches m = new Matches();
if (match3("kill!", s)) {
killMyself();
return "ok";
}
if (match3("What is your process ID?", s) || match3("what is your pid?", s))
return getPID();
if (match3("what is your program id?", s))
return info.programID;
if (match3("what are your program arguments?", s))
return structure(info.programArgs);
if (match3("get fields of main class", s))
return structure(listFields(info.mainClass));
if (match3("get field * of main class", s, m))
return structure(get(info.mainClass, m.m[0]));
if (match3("invoke function * of main class", s, m))
return structure(call(info.mainClass, m.m[0]));
if (match3("set field * of main class to *", s, m)) {
set(info.mainClass, m.m[0], unstructure(m.m[1]));
return "ok";
}
if (match3("how much memory are you consuming", s))
return "Java heap size: " + (Runtime.getRuntime().totalMemory()+1024*1024-1)/1024/1024 + " MB";
if (match3("how much memory is used after GC?", s)) {
System.gc();
return "Java heap used: " + (Runtime.getRuntime().totalMemory()-Runtime.getRuntime().freeMemory()+1024*1024-1)/1024/1024 + " MB";
}
if (match3("how much memory is used?", s))
return "Java heap used: " + (Runtime.getRuntime().totalMemory()-Runtime.getRuntime().freeMemory()+1024*1024-1)/1024/1024 + " MB";
return null;
}
static class Android {
int port;
DialogHandler handler;
}
static int makeAndroid(final String greeting) {
return makeAndroid(greeting, new StrF() {
public String get(String s) {
try { return
(String) call(getMainClass(), "answer", s)
; } catch (Exception _e) {
throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
});
}
static int makeAndroidNoConsole(final String greeting, final StrF f) {
return makeAndroid(greeting, f, false, false);
}
static int makeAndroidNoConsoleDaemon(final String greeting, final StrF f) {
return makeAndroid(greeting, f, false, true);
}
static int makeAndroid(final String greeting, final StrF f) {
return makeAndroid(greeting, f, true, false);
}
static int makeAndroid(final String greeting, final StrF f, boolean console, boolean daemon) {
print(greeting);
final Android a = new Android();
a.handler = makeAndroid_makeDialogHandler(greeting, f);
a.port = daemon
? startDialogServerOnPortAboveDaemon(5000, a.handler)
: startDialogServerOnPortAbove(5000, a.handler);
if (console) {
print("You may also type on this console.");
Thread _t_0 = new Thread() {
public void run() {
try {
String line;
while ((line = readLine()) != null) {
if ("bye".equals(line))
print("> bye stranger");
else
makeAndroid_getAnswer(line, f); // prints answer on console too
}
} catch (Exception _e) {
throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
};
_t_0.start();
}
record(a);
return a.port;
}
static DialogHandler makeAndroid_makeDialogHandler(final String greeting, final StrF f) {
return new DialogHandler() {
public void run(final DialogIO io) {
if (!(publicCommOn() || io.isLocalConnection())) {
io.sendLine("Sorry, not allowed");
return;
}
String dialogID = randomID(8);
io.sendLine(greeting + " / Your ID: " + dialogID);
while (io.isStillConnected()) {
if (io.waitForLine()) {
final String line = io.readLineNoBlock();
String s = dialogID + " at " + now() + ": " + quote(line);
print(s);
if ("bye".equals(line)) {
io.sendLine("bye stranger");
return;
}
String answer = makeAndroid_getAnswer(line, f);
io.sendLine(answer == null ? "null" : answer);
//appendToLog(logFile, s);
}
}
}};
}
static String makeAndroid_getAnswer(String line, StrF f) {
String answer;
try {
answer = makeAndroid_fallback(line, f.get(line));
} catch (Throwable e) {
e = getInnerException(e);
e.printStackTrace();
answer = e.toString();
}
print("> " + answer);
return answer;
}
static String makeAndroid_fallback(String s, String answer) {
if (answer == null)
answer = (String) call(getJavaX(), "answer", s); // fall back to VM android
if (answer.indexOf('\n') >= 0 || answer.indexOf('\r') >= 0)
answer = quote(answer);
return answer == null ? "?" : answer;
}
// makeAndroid / makeAndroidNoConsole
static BufferedReader readLine_reader;
static String readLine() { try {
if (readLine_reader == null)
readLine_reader = new BufferedReader(new InputStreamReader(System.in, "UTF-8"));
String s = readLine_reader.readLine();
if (s != null)
print(s);
return s;
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} // readLine
static void setOpt(Class c, String field, Object value) {
try {
Field f = setOpt_findStaticField(c, field);
if (f == null) return;
f.setAccessible(true);
f.set(null, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field setOpt_findStaticField(Class<?> c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
return f;
return null;
} // setOpt
static Object get(Object o, String field) {
if (o instanceof Class) return get((Class) o, field);
try {
Field f = get_findField(o.getClass(), field);
f.setAccessible(true);
return f.get(o);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Object get(Class c, String field) {
try {
Field f = get_findStaticField(c, field);
f.setAccessible(true);
return f.get(null);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field get_findStaticField(Class<?> c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
return f;
throw new RuntimeException("Static field '" + field + "' not found in " + c.getName());
}
static Field get_findField(Class<?> c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field))
return f;
throw new RuntimeException("Field '" + field + "' not found in " + c.getName());
} // get
static Class getMainClass() { try {
return Class.forName("main");
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} // getMainClass
static Throwable getInnerException(Throwable e) {
while (e.getCause() != null)
e = e.getCause();
return e;
}
static boolean publicCommOn() {
return "1".equals(loadTextFile(new File(userHome(), ".javax/public-communication")));
}
static List<Object> record_list = synchroList();
static void record(Object o) {
record_list.add(o);
}
static Set<String> listFields(Class<?> c) {
Set<String> fields = new TreeSet<String>();
for (Field f : c.getDeclaredFields())
fields.add(f.getName());
return fields;
}
// try to get our current process ID
static String getPID() {
String name = ManagementFactory.getRuntimeMXBean().getName();
return name.replaceAll("@.*", "");
}
static AtomicInteger dialogServer_clients = new AtomicInteger();
static int startDialogServerOnPortAbove(int port, DialogHandler handler) {
while (!startDialogServerIfPortAvailable(port, handler))
++port;
return port;
}
static int startDialogServerOnPortAboveDaemon(int port, DialogHandler handler) {
while (!startDialogServerIfPortAvailable(port, handler, true))
++port;
return port;
}
static void startDialogServer(int port, DialogHandler handler) {
if (!startDialogServerIfPortAvailable(port, handler))
fail("Can't start dialog server on port " + port);
}
static boolean startDialogServerIfPortAvailable(int port, final DialogHandler handler) {
return startDialogServerIfPortAvailable(port, handler, false);
}
static boolean startDialogServerIfPortAvailable(int port, final DialogHandler handler, boolean daemon) {
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(port);
} catch (IOException e) {
// probably the port number is used - let's assume there already is a chat server.
return false;
}
final ServerSocket _serverSocket = serverSocket;
Thread thread = new Thread() { public void run() {
try {
while (true) {
try {
final Socket s = _serverSocket.accept();
print("connect - clients: " + dialogServer_clients.incrementAndGet());
Thread _t_1 = new Thread() {
public void run() {
try {
try {
final Writer w = new OutputStreamWriter(s.getOutputStream(), "UTF-8");
final BufferedReader in = new BufferedReader(
new InputStreamReader(s.getInputStream(), "UTF-8"));
DialogIO io = new DialogIO() {
String line;
boolean buff;
Socket getSocket() { return s; }
// local means localhost - todo: test
boolean isLocalConnection() {
return s.getInetAddress().isLoopbackAddress();
}
boolean isStillConnected() {
return !(buff || s.isClosed());
}
String readLineNoBlock() {
String l = line;
line = null;
return l;
}
boolean waitForLine() { try {
if (line != null) return true;
//print("Readline");
line = in.readLine();
//print("Readline done: " + line);
if (line == null) buff = true;
return line != null;
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
void sendLine(String line) { try {
w.write(line + "\n");
w.flush();
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
};
try {
handler.run(io);
} finally {
s.close();
}
} finally {
print("client disconnect - " + dialogServer_clients.decrementAndGet() + " remaining");
}
} catch (Exception _e) {
throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
};
_t_1.start();
} catch (SocketTimeoutException e) {
}
}
} catch (IOException e) { throw new RuntimeException(e); }
}};
if (daemon) thread.setDaemon(true);
thread.start();
print("Dialog server on port " + port + " started.");
return true;
}
static class Matches { String[] m; }
static boolean match3(String pat, String s) {
return match3(pat, s, null);
}
static boolean match3(String pat, String s, Matches matches) {
List<String> tokpat = parse3(pat), toks = parse3(s);
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 List<String> parse3(String s) {
return dropPunctuation(javaTokPlusPeriod(s));
}
static DialogIO talkTo(String ip, int port) { try {
print("Talking to " + ip + ":" + port);
final Socket s = new Socket(ip, port);
final Writer w = new OutputStreamWriter(s.getOutputStream(), "UTF-8");
final BufferedReader in = new BufferedReader(new InputStreamReader(s.getInputStream(), "UTF-8"));
return new DialogIO() {
String line;
boolean buff;
boolean isLocalConnection() {
return s.getInetAddress().isLoopbackAddress();
}
boolean isStillConnected() {
return !(buff || s.isClosed());
}
String readLineNoBlock() {
String l = line;
line = null;
return l;
}
boolean waitForLine() { try {
if (line != null) return true;
//print("Readline");
line = in.readLine();
//print("Readline done: " + line);
if (line == null) buff = true;
return line != null;
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
void sendLine(String line) { try {
w.write(line + "\n");
w.flush();
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
void close() { try {
s.close();
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
Socket getSocket() {
return s;
}
};
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
// actually it's now almost the same as jsonDecode :)
static Object unstructure(String text) {
final List<String> tok = javaTok(text);
class X {
int i = 1;
Object parse() {
String t = tok.get(i);
if (t.startsWith("\"")) {
String s = unquote(tok.get(i));
i += 2;
return s;
}
if (t.equals("{"))
return parseMap();
if (t.equals("["))
return 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;
}
if (isInteger(t)) {
i += 2; return Long.parseLong(t);
}
if (isJavaIdentifier(t)) {
Class c = findClass(t);
Object o = nuObject(c);
i += 2;
if (i < tok.size() && tok.get(i).equals("(")) {
consume("(");
while (!tok.get(i).equals(")")) {
// It's like parsing a map.
String key = unquote(tok.get(i));
i += 2;
consume("=");
Object value = parse();
set(o, key, value);
if (tok.get(i).equals(",")) i += 2;
}
consume(")");
}
return o;
}
throw new RuntimeException("Unknown token " + (i+1) + ": " + t);
}
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 = 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())));
fail(quote(s) + " expected: " + prevToken + " " + nextTokens + " (" + i + "/" + tok.size() + ")");
}
i += 2;
}
}
return new X().parse();
}
static Matcher matcher(String pattern, String string) {
return Pattern.compile(pattern).matcher(string);
}
static Class __javax;
static Class getJavaX() {
return __javax;
}
static String randomID(int length) {
return makeRandomID(length);
}
static Object process(String processorID, Object in) {
return process(processorID, in, "in");
}
static Object process(String processorID, Object in, String outVar) {
try {
Class processor = hotwire(processorID);
set(processor, "in", in);
call(processor, "main", new Object[] {new String[0]});
return get(processor, outVar);
} catch (Exception e) {
throw new RuntimeException("Error in #" + parseSnippetID(processorID), e);
}
}
static String _computerID;
public static String computerID() throws IOException {
if (_computerID == null) {
File file = new File(userHome(), ".tinybrain/computer-id");
_computerID = loadTextFile(file.getPath(), null);
if (_computerID == null) {
_computerID = makeRandomID(12);
saveTextFile(file.getPath(), _computerID);
}
}
return _computerID;
}
static String structure(Object o) {
return structure(o, 0);
}
static String structure(Object o, int stringSizeLimit) {
if (o == null) return "null";
String name = o.getClass().getName();
StringBuilder buf = new StringBuilder();
if (o instanceof Collection) {
for (Object x : (Collection) o) {
if (buf.length() != 0) buf.append(", ");
buf.append(structure(x, stringSizeLimit));
}
return "[" + buf + "]";
}
if (o instanceof Map) {
for (Object e : ((Map) o).entrySet()) {
if (buf.length() != 0) buf.append(", ");
buf.append(structure(((Map.Entry) e).getKey(), stringSizeLimit));
buf.append("=");
buf.append(structure(((Map.Entry) e).getValue(), stringSizeLimit));
}
return "{" + buf + "}";
}
if (o.getClass().isArray()) {
int n = Array.getLength(o);
for (int i = 0; i < n; i++) {
if (buf.length() != 0) buf.append(", ");
buf.append(structure(Array.get(o, i), stringSizeLimit));
}
return "{" + buf + "}";
}
if (o instanceof String)
return quote(stringSizeLimit != 0 ? shorten((String) o, stringSizeLimit) : (String) o);
// Need more cases? This should cover all library classes...
if (name.startsWith("java.") || name.startsWith("javax."))
return String.valueOf(o);
String shortName = o.getClass().getName().replaceAll("^main\\$", "");
// TODO: go to superclasses too
Field[] fields = o.getClass().getDeclaredFields();
int numFields = 0;
String fieldName = "";
for (Field field : fields) {
if ((field.getModifiers() & Modifier.STATIC) != 0)
continue;
Object value;
try {
value = field.get(o);
} catch (Exception e) {
value = "?";
}
fieldName = field.getName();
// put special cases here...
if (value != null) {
if (buf.length() != 0) buf.append(", ");
buf.append(fieldName + "=" + structure(value, stringSizeLimit));
}
++numFields;
}
String b = buf.toString();
if (numFields == 1)
b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one
String s = shortName;
if (buf.length() != 0)
s += "(" + b + ")";
return s;
}
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;
}
// currently finds only inner classes of class "main"
// returns null on not found
// this is the simple version that is not case-tolerant
static Class findClass(String name) {
try {
return Class.forName("main$" + name);
} catch (ClassNotFoundException e) {
return null;
}
}
static Object nuObject(Class c, Object... args) { try {
Constructor m = nuObject_findConstructor(c, args);
m.setAccessible(true);
return m.newInstance(args);
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__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 new RuntimeException("Constructor with " + args.length + " matching parameter(s) not found in " + c.getName());
}
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 <A> List<A> synchroList() {
return Collections.synchronizedList(new ArrayList<A>());
}
static <A> List<A> synchroList(List<A> l) {
return Collections.synchronizedList(l);
}
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)) && !t.equals("*")) {
tok.set(i-1, tok.get(i-1) + tok.get(i+1));
tok.remove(i);
tok.remove(i);
i -= 2;
}
}
return tok;
}
// 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, "*");
int expand = 0;
while (pat.size() < tok.size()) {
++expand;
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()) {
/*if (debug)
print("Size mismatch: " + structure(pat) + " vs " + structure(tok));*/
return null;
}
for (int i = 1; i < pat.size(); i += 2) {
String p = pat.get(i), t = tok.get(i);
/*if (debug)
print("Checking " + p + " against " + t);*/
if ("*".equals(p))
result.add(t);
else if (!p.equalsIgnoreCase(t))
return null;
}
return result.toArray(new String[result.size()]);
}
// javaTok extended with "..." token.
static List<String> javaTokPlusPeriod(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) {
++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)));
else if (cc.equals("[[")) {
do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
j = Math.min(j+2, l);
} else if (s.substring(j, Math.min(j+3, l)).equals("..."))
j += 3;
else
++j;
tok.add(s.substring(i, j));
i = j;
}
if ((tok.size() % 2) == 0) tok.add("");
return tok;
}
// 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) {
++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)));
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;
}
public static String unquote(String s) {
if (s.startsWith("[")) {
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.startsWith("\"") && s.endsWith("\"") && s.length() > 1) {
String st = s.substring(1, s.length()-1);
StringBuilder sb = new StringBuilder(st.length());
for (int i = 0; i < st.length(); i++) {
char ch = st.charAt(i);
if (ch == '\\') {
char nextChar = (i == st.length() - 1) ? '\\' : st
.charAt(i + 1);
// Octal escape?
if (nextChar >= '0' && nextChar <= '7') {
String code = "" + nextChar;
i++;
if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
&& st.charAt(i + 1) <= '7') {
code += st.charAt(i + 1);
i++;
if ((i < st.length() - 1) && st.charAt(i + 1) >= '0'
&& st.charAt(i + 1) <= '7') {
code += st.charAt(i + 1);
i++;
}
}
sb.append((char) Integer.parseInt(code, 8));
continue;
}
switch (nextChar) {
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;
case '\'':
ch = '\'';
break;
// Hex Unicode: u????
case 'u':
if (i >= st.length() - 5) {
ch = 'u';
break;
}
int code = Integer.parseInt(
"" + st.charAt(i + 2) + st.charAt(i + 3)
+ st.charAt(i + 4) + st.charAt(i + 5), 16);
sb.append(Character.toChars(code));
i += 5;
continue;
}
i++;
}
sb.append(ch);
}
return sb.toString();
} else
return s; // return original
}
// compile JavaX source, load classes & return main class
// src can be a snippet ID or actual source code
static Class<?> hotwire(String src) {
try {
Class j = getJavaX();
List<File> libraries = new ArrayList<File>();
File srcDir = (File) call(j, "transpileMain", src, libraries);
Object androidContext = get(j, "androidContext");
if (androidContext != null)
return (Class) call(j, "loadx2android", srcDir, src);
File classesDir = (File) call(j, "TempDirMaker_make");
String javacOutput = (String) call(j, "compileJava", srcDir, libraries, classesDir);
System.out.println(javacOutput);
URL[] urls = new URL[libraries.size()+1];
urls[0] = classesDir.toURI().toURL();
for (int i = 0; i < libraries.size(); i++)
urls[i+1] = libraries.get(i).toURI().toURL();
// make class loader
URLClassLoader classLoader = new URLClassLoader(urls);
// load & return main class
Class<?> theClass = classLoader.loadClass("main");
call(j, "setVars", theClass, isSnippetID(src) ? src: null);
return theClass;
} catch (Exception e) {
throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
}
}
static RuntimeException fail() {
throw new RuntimeException("fail");
}
static RuntimeException fail(String msg) {
throw new RuntimeException(msg);
}
static String shorten(String s, int max) {
return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "...";
}
}
interface StrF {
String get(String s);
}Began life as a copy of #676
download show line numbers debug dex old transpilations
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| Snippet ID: | #1002665 |
| Snippet name: | Default boot-up code for JavaX/Android 26 (testing, with x27) BACKUP |
| Eternal ID of this version: | #1002665/1 |
| Text MD5: | 8a001b93d1e12357e261faacd0dad6c3 |
| Author: | stefan |
| Category: | javax |
| Type: | JavaX source code (Android) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-02-11 00:15:23 |
| Source code size: | 114733 bytes / 3458 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 910 / 779 |
| Referenced in: | [show references] |