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private static Map memSnippetCache = new HashMap();
private static int processesStarted, compilations;
// snippet ID -> md5
private static HashMap prefetched = new HashMap();
private static File virtCache;
// doesn't work yet
private static Map> programCache = new HashMap>();
static boolean cacheTranslators = false;
// this should work (caches transpiled translators)
private static HashMap translationCache = new HashMap();
static boolean cacheTranspiledTranslators = true;
// which snippets are available pre-transpiled server-side?
private static Set hasTranspiledSet = new HashSet();
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 translating = new HashSet();
static String lastOutput;
static String[] fullArgs;
private static Console console;
static String javaCompilerOutput;
public static void main(String[] args) {
try {
goMain(args);
} catch (Throwable e) {
e.printStackTrace();
}
}
static void goMain(String[] args) throws Exception {
__javax = x28.class; // for hotwire
if (args.length != 0 && args[0].equals("-v")) verbose = true;
redirectSystemOutAndErr();
for (String arg : args)
if (arg.equals("-noawt"))
noAWT = true;
if (consoleOn && console == null && !noAWT)
tryToOpenConsole(args);
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 programArgs = new ArrayList();
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 libraries = new ArrayList();
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 (customSystemOut != null)
Thread.sleep(1000); // delay to finish autoReportToChat. Yes it's hacky.
if (verbose) System.out.println("Closing reportToChat queue");
reportToChat_q.done();
}
}
}
static File transpileMain(String src, List libraries) throws Exception {
File srcDir = null;
boolean isTranspiled = false;
if (isSnippetID(src)) {
String transpiledSrc = getTranspilationFromBossBot(parseSnippetID(src));
if (transpiledSrc != null) {
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;
Matcher m = Pattern.compile("\\d+").matcher(libs);
while (m.find()) {
String libid = m.group();
File libraryFile = DiskSnippetCache_getLibrary(parseSnippetID(libid));
loadLibrary(libid, libraries, libraryFile);
}
}
}
if (srcDir == null) {
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);
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 userHome() {
if (android)
return ((File) call(androidContext, "getFilesDir")).getAbsolutePath();
else
return System.getProperty("user.home");
}
private static void savePrefetchData(String mainSnippetID) throws IOException {
List ids = new ArrayList();
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 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 libraries_out) throws Exception {
x = luaPrintToJavaPrint(x);
x = repeatAutoTranslate(x, libraries_out);
return x;
}
private static File repeatAutoTranslate(File x, List libraries_out) throws Exception {
List postTranslators = new ArrayList();
while (true) {
String main = loadTextFile(new File(x, "main.java").getPath(), null);
List lines = toLines(main);
List 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 libraries_out) throws Exception {
String main = loadTextFile(new File(x, "main.java").getPath(), null);
List lines = toLines(main);
List 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 findTranslators(List lines) {
List translators = new ArrayList();
Pattern pattern = Pattern.compile("^!([0-9# \t]+)");
Pattern pArgs = Pattern.compile("^\\s*\\((.*)\\)");
for (ListIterator 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 findPostTranslators(List lines) {
List translators = new ArrayList();
Pattern pattern = Pattern.compile("^!post\\s*([0-9# \t]+)");
Pattern pArgs = Pattern.compile("^\\s*\\((.*)\\)");
for (ListIterator 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 toLines(String s) {
List lines = new ArrayList();
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 lines) {
StringBuilder buf = new StringBuilder();
for (String line : lines) {
buf.append(line).append('\n');
}
return buf.toString();
}
private static File applyTranslators(File x, List translators, List 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 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 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 libraries = new ArrayList();
Object[] cached = translationCache.get(id);
if (cached != null) {
//System.err.println("Taking translator " + snippetID + " from cache!");
srcDir = (File) cached[0];
libraries = (List) 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: " + structure(translating));
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);
/*S t = getTranspilationFromBossBot(id);
if (t != null) return t;*/
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 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);
}
/** returns output dir */
private static File runJavaX(File ioBaseDir, File originalSrcDir, File originalInput,
boolean silent, boolean runInProcess,
List 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();
}
}
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);
}
static String getTranspilationFromBossBot(long snippetID) {
return boss(format3("get transpilation for *", snippetID));
}
public static String loadSnippet(long snippetID) throws IOException {
String text = getSnippetFromBossBot(snippetID);
if (text != null) return text;
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 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 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_make();
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...
x28.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");
//System.out.println("Main class loaded.");
try {
set(theClass, "androidContext", androidContext);
} catch (Throwable e) {}
setVars(theClass, programID);
addInstance(programID, theClass);
return theClass;
}
static void addInstance(String programID, Class mainClass) {
programID = "" + parseSnippetID(programID);
instances.put(programID, new WeakReference(mainClass));
}
static Class getInstance(String programID) {
programID = "" + parseSnippetID(programID);
List> l = instances.get(programID);
for (WeakReference c : l) {
Class theClass = c.get();
// TODO: shorten the list
if (theClass != null)
return theClass;
}
return null;
}
static MultiMap> instances = new MultiMap>();
static class MultiMap {
Map> data = new HashMap>();
public void put(A key, B value) {
List list = data.get(key);
if (list == null)
data.put(key, list = new ArrayList());
list.add(value);
}
public void putAll(A key, Collection values) {
for (B value : values)
put(key, value);
}
public List get(A key) {
List list = data.get(key);
return list == null ? Collections. emptyList() : list;
}
public Set keySet() {
return data.keySet();
}
public void remove(A key) {
data.remove(key);
}
public void remove(A key, B value) {
List list = data.get(key);
if (list != null) {
list.remove(value);
if (list.isEmpty())
data.remove(key);
}
}
public void clear() {
data.clear();
}
public boolean contains(A key) {
return data.containsKey(key);
}
public B getFirst(A key) {
List list = get(key);
return list.isEmpty() ? null : list.get(0);
}
} // MultiMap
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 libraries, File classesDir) throws IOException {
javaCompilerOutput = null;
++compilations;
// collect sources
List sources = new ArrayList();
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 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 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);
addInstance(programID, mainClass);
runMainMethod(args, mainClass);
}
static void setVars(Class theClass, String programID) {
try {
set(theClass, "programID", programID);
} catch (Throwable e) {}
try {
set(theClass, "__javax", x28.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 sources, List 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 cp = new ArrayList();
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 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_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 strings) {
StringBuilder buf = new StringBuilder();
Iterator 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 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 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 class DelayedUpdate {
Runnable renderer;
volatile long version;
long lastUpdate; // AWT time
int delay = 1000;
DelayedUpdate(Runnable renderer) {
this.renderer = renderer;}
void trigger() {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
try {
awt_quickUpdate();
} catch (Exception _e) {
throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
});
final long n = ++version;
javax.swing.Timer timer = new javax.swing.Timer(delay, new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent _evt) {
awt_show(n);
}});
timer.setRepeats(false);
timer.start();
}
void awt_quickUpdate() {
if (lastUpdate < now()-delay) {
render();
lastUpdate = now(); // This can be rough, no problem
}
}
void awt_show(long n) {
if (n == version) {
render();
lastUpdate = now();
}
}
void render() {
try {
renderer.run();
} catch (Throwable e) {
e.printStackTrace();
}
}
}
static PrintStream oldOut, oldErr;
static Thread reader, reader2;
static boolean quit; // always false now
static PipedInputStream pin=new PipedInputStream();
static PipedInputStream pin2=new PipedInputStream();
static PipedInputStream pin3=new PipedInputStream();
static class Console extends WindowAdapter implements WindowListener, ActionListener {
JFrame frame;
JTextArea textArea;
JTextField tfInput;
StringBuffer buf = new StringBuffer();
JButton buttonclear, buttonkill, buttonrestart, buttonduplicate, buttonstacktrace;
String[] args;
final DelayedUpdate du = new DelayedUpdate(new Runnable() {
public void run() { try {
textArea.append(buf.substring(textArea.getText().length()));
} catch (Exception __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}});
public Console(final String[] args) { try {
this.args = args;
// create all components and add them
frame=new JFrame(args.length == 0 ? "JavaX Starter Output" : "JavaX Output - " + join(" ", args));
/*Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
Dimension frameSize=new Dimension((int)(screenSize.width/2),(int)(screenSize.height/2));
int x=(int)(frameSize.width/2);
int y=(int)(frameSize.height/2);
frame.setBounds(x,y,frameSize.width,frameSize.height);*/
// put in right-bottom corner
Rectangle r = GraphicsEnvironment.getLocalGraphicsEnvironment().getMaximumWindowBounds();
int w = 550, h = 200;
frame.setBounds(r.x+r.width-w, r.y+r.height-h, w, h);
textArea=new JTextArea();
textArea.setEditable(false);
buttonclear = new JButton("clear");
buttonkill = new JButton("kill");
buttonrestart = new JButton("restart");
buttonduplicate = new JButton("duplicate");
buttonstacktrace = new JButton("status");
buttonstacktrace.setToolTipText("Show threads & stack traces.");
JPanel buttons = new JPanel(new GridLayout(1, 5));
buttons.add(buttonclear);
buttons.add(buttonkill);
buttons.add(buttonrestart);
buttons.add(buttonduplicate);
buttons.add(buttonstacktrace);
final PipedOutputStream pout3=new PipedOutputStream(pin3);
tfInput = new JTextField();
tfInput.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent _evt) {
String line = tfInput.getText();
try {
pout3.write((line + "\n").getBytes("UTF-8"));
pout3.flush();
} catch (Exception e) {}
tfInput.setText("");
}});
JPanel panel = new JPanel(new BorderLayout());
panel.add(new JScrollPane(textArea), BorderLayout.CENTER);
panel.add(tfInput, BorderLayout.SOUTH);
frame.addWindowListener(new WindowAdapter() {
public void windowActivated(WindowEvent e) {
tfInput.requestFocus();
}
});
frame.getContentPane().setLayout(new BorderLayout());
frame.getContentPane().add(panel, BorderLayout.CENTER);
frame.getContentPane().add(buttons, BorderLayout.SOUTH);
frame.setVisible(true);
//frame.addWindowListener(this); // disabled for now
buttonclear.addActionListener(this);
buttonkill.addActionListener(this);
buttonrestart.addActionListener(this);
buttonduplicate.addActionListener(this);
buttonstacktrace.addActionListener(this);
quit=false; // signals the Threads that they should exit
if (args.length != 0) {
print("Starting title updater");
new Thread("Console Title Updater :)") {
public void run() {
if (args.length != 0) {
int i = 0;
while (i < args.length && !isSnippetID(args[i])) ++i;
print("Getting title for " + args[i]);
String title = getSnippetTitle(args[i]);
print("Title: " + title);
if (title != null && title.length() != 0)
frame.setTitle(title + " [Output]");
}
}
}.start();
}
System.setIn(pin3);
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }}
public synchronized void windowClosed(WindowEvent evt)
{
console = null;
/*quit=true;
this.notifyAll(); // stop all threads
try { reader.join(1000);pin.close(); } catch (Exception e){}
try { reader2.join(1000);pin2.close(); } catch (Exception e){}
System.exit(0);*/
}
public synchronized void windowClosing(WindowEvent evt)
{
frame.setVisible(false); // default behaviour of JFrame
frame.dispose();
}
public synchronized void actionPerformed(ActionEvent evt) {
if (evt.getSource() == buttonkill) {
print("Console: Kill button pressed!");
// TODO: give threads time to finish, e.g. reportToChat?
System.exit(0);
} else if (evt.getSource() == buttonrestart) {
print("Console: Restart button pressed.");
nohupJavax(smartJoin(args));
System.exit(0);
} else if (evt.getSource() == buttonduplicate) {
print("Console: Duplicate button pressed.");
nohupJavax(smartJoin(args));
} else if (evt.getSource() == buttonstacktrace) {
listUserThreadsWithStackTraces();
} else {
textArea.setText("");
buf = new StringBuffer();
}
}
public void appendText(String s, boolean outNotErr) {
//if (verbose) oldOut.println("Console appendText " + outNotErr + " " + quote(s));
buf.append(s);
du.trigger();
}
} // Console
static void tryToOpenConsole(String[] args) {
try {
console = new Console(args);
} catch (HeadlessException e) {
// ok, we're headless.
} catch (Throwable e) {
// some other error in console - continue without it
e.printStackTrace();
}
}
//// END CONSOLE STUFF
static long now_virtualTime;
static long now() {
return now_virtualTime != 0 ? now_virtualTime : System.currentTimeMillis();
}
static void print(Object o) {
System.out.println(o);
}
public synchronized void run()
{
try
{
while (Thread.currentThread()==reader)
{
try { this.wait(100);}catch(InterruptedException ie) {}
if (pin.available()!=0)
{
String input=readLine(pin);
//if (verbose) oldOut.println("reader: " + quote(input));
appendText(input, true);
}
if (quit) return;
}
while (Thread.currentThread()==reader2)
{
try { this.wait(100);}catch(InterruptedException ie) {}
if (pin2.available()!=0)
{
String input=readLine(pin2);
//if (verbose) oldOut.println("reader2: " + quote(input));
appendText(input, false);
}
if (quit) return;
}
} catch (Exception e)
{
appendText("\nConsole reports an Internal error.", false);
appendText("The error is: "+e, false);
}
}
static void redirectSystemOutAndErr() {
if (reader != null) return; // did this already
x28 _this = new x28();
if (verbose) System.out.println("Redirecting System.out");
try
{
PipedOutputStream pout=new PipedOutputStream(pin);
oldOut = System.out;
TeeOutputStream tee = new TeeOutputStream(oldOut, pout);
System.setOut(new PrintStream(tee,true));
}
catch (Exception io)
{
System.err.println("Couldn't redirect STDOUT - " + io.getMessage());
}
if (verbose) System.out.println("Redirecting System.err");
try
{
PipedOutputStream pout2=new PipedOutputStream(pin2);
oldErr = System.err;
TeeOutputStream tee = new TeeOutputStream(oldErr, pout2);
System.setErr(new PrintStream(tee,true));
}
catch (Exception io)
{
System.err.println("Couldn't redirect STDERR - " + io.getMessage());
}
if (verbose) System.out.println("Redirects done. Starting readers");
// Starting two seperate threads to read from the PipedInputStreams
//
reader=new Thread(_this, "StdOut Piper");
reader.setDaemon(true);
reader.start();
//
reader2 = new Thread(_this, "StdErr Piper");
reader2.setDaemon(true);
reader2.start();
}
static Appendable customSystemOut;
static void appendText(String s, boolean outNotErr) {
// We do this with a TeeOutputStream now (safer).
// (outNotErr ? oldOut : oldErr).print(s);
if (console != null)
console.appendText(s, outNotErr);
if (customSystemOut != null)
try {
customSystemOut.append(s);
} catch (IOException e) {
e.printStackTrace();
}
}
static String readLine(PipedInputStream in) throws IOException
{
String input="";
do
{
int available=in.available();
if (available==0) break;
byte b[]=new byte[available];
in.read(b);
input=input+new String(b,0,b.length);
}while( !input.endsWith("\n") && !input.endsWith("\r\n") && !quit);
return input;
}
static void nohupJavax(String javaxargs) {
try {
File xfile = new File(userHome(), ".javax/x28.jar");
if (!xfile.isFile()) {
String url = "http://tinybrain.de/x28.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() {
if (customSystemOut == null) {
print("Auto-reporting to chat.");
customSystemOut = new Appendable() {
LineBuf buf = new LineBuf();
// only using this one
public Appendable append(CharSequence cs) {
buf.append(cs.toString());
while (true) {
String s = buf.nextLine();
if (s == null) break;
reportToChat(s, true);
}
return this;
}
public Appendable append(char c) { return this; }
public Appendable append(CharSequence s, int start, int end) { return this; }
};
}
}
static class Q {
LinkedBlockingQueue q = new LinkedBlockingQueue();
static class Done extends RuntimeException {}
Q() {}
Q(String name, boolean startThread) {
if (startThread)
new Thread(name) {
public void run() {
Q.this.run();
}
}.start();
}
Iterable master() {
return new Iterable() {
public Iterator iterator() {
return new Iterator() {
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();
abstract void close();
String readLine() {
waitForLine();
return readLineNoBlock();
}
String ask(String s, Object... args) {
if (args.length != 0) s = format3(s, args);
sendLine(s);
return readLine();
}
String askLoudly(String s, Object... args) {
if (args.length != 0) s = format3(s, args);
print("> " + s);
sendLine(s);
String answer = readLine();
print("< " + answer);
return answer;
}
}
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 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() {
Android3 a = new Android3("This is a JavaX VM.");
a.responder = new Responder() {
String answer(String s, List history) {
return x28.answer(s);
}
};
a.daemon = true;
a.console = false;
makeAndroid3(a);
}
static class Info {
String programID;
String[] programArgs;
File transpiledSrc;
Class mainClass;
}
static Info info = new Info(); // hmm...
// injectable info
static List injectable_programsInjected = new ArrayList();
static boolean injectable_on = true;
static class PaA {
String injectionID;
String progID;
String[] arguments;
Class mainClass; // TODO: release eventually...
volatile boolean mainDone;
volatile Throwable exception;
PaA(String progID, String[] arguments) {
this.arguments = arguments;
this.progID = progID;}
PaA() {}
}
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 "#1001370";
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";
if (match3("please inject program *", s, m) || match3("please inject program * with arguments *", s, m)) {
final String progID = formatSnippetID(unquote(m.m[0]));
final String[] arguments = m.m.length > 1 ? toStringArray(unstructure(unquote(m.m[1]))) : new String[0];
final PaA paa = new PaA(progID, arguments);
paa.injectionID = randomID(8);
injectable_programsInjected.add(paa);
// better call JavaX for translation in a single thread.
paa.mainClass = hotwire(progID);
// program may run in its own thread.
Thread _t_0 = new Thread(progID) {
public void run() {
try {
try {
callMain(paa.mainClass, arguments);
} catch (Throwable e) {
paa.exception = e;
e.printStackTrace();
} finally {
paa.mainDone = true;
synchronized(x28.class) {}
}
} catch (Exception _e) {
throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
};
_t_0.start();
return format3("OK. Injection ID: *", paa.injectionID);
}
if (match3("get injection exception *", s, m)) {
String injectionID = unquote(m.m[0]);
PaA paa = findInjection(injectionID);
if (paa == null)
return "Sorry. Injection not found";
return "OK: " + paa.exception == null ? "no exception" : getStackTrace(paa.exception);
}
if (match3("get injection * variable *", s, m)) {
String injectionID = unquote(m.m[0]);
String var = unquote(m.m[1]);
PaA paa = findInjection(injectionID);
if (paa == null)
return "Sorry. Injection not found";
return "OK: " + structure(getOpt(paa.mainClass, var));
}
if (match3("get injection result *", s, m)) {
String injectionID = unquote(m.m[0]);
PaA paa = findInjection(injectionID);
if (paa == null)
return "Sorry. Injection not found";
return "OK: " + structure(getOpt(paa.mainClass, "result"));
}
if (match3("is injection's * main done", s, m)) {
String injectionID = unquote(m.m[0]);
PaA paa = findInjection(injectionID);
if (paa == null)
return "Sorry. Injection not found";
return paa.mainDone ? "Yes." : "No.";
}
if (match3("which programs are you running (ids only)", s, m)) {
List l = new ArrayList();
for (String progID : instances.keySet())
if (getInstance(progID) != null)
l.add(progID);
return format3("these: *", structure(l));
}
return null;
}
static PaA findInjection(String injectionID) {
for (PaA paa : injectable_programsInjected)
if (eq(paa.injectionID, injectionID))
return paa;
return null;
}
static class Android {
int port;
DialogHandler handler;
boolean publicOverride;
}
static int makeAndroid(final String greeting) {
return makeAndroid(greeting, new StringFunc() {
public String get(String s) {
try { return
callStaticAnswerMethod(s)
; } catch (Exception _e) {
throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } } });
}
static String callStaticAnswerMethod(String s) {
return (String) callOpt(getMainClass(), "answer", s);
}
static int makeAndroidNoConsole(final String greeting, final StringFunc f) {
return makeAndroid(greeting, f, false, false);
}
static int makeAndroidNoConsoleDaemon(final String greeting, final StringFunc f) {
return makeAndroid(greeting, f, false, true);
}
static int makeAndroid(final String greeting, final StringFunc f) {
return makeAndroid(greeting, f, true, false);
}
// Clients can set this to make the bot public even if system-wide
// public-comm is off.
// Can even be set at runtime.
static boolean makeAndroid_forcePublic;
// Clients can turn this off to forbid VM inspection through android.
static boolean makeAndroid_allowVMInspection = true;
// Where the free port search is begun.
// Public Comm Bot changes this to 4999.
static int makeAndroid_startPort = 5000;
static int makeAndroid(final String greeting, final StringFunc f, boolean console, boolean daemon) { // daemon is no longer supported
return makeAndroid2(greeting, f, console).port;
}
static Android makeAndroid2(final String greeting, final StringFunc f, boolean console) {
return makeAndroid2(greeting, f, console, false);
}
static Android makeAndroid2(final String greeting, final StringFunc f, boolean console, boolean daemon) {
print(greeting);
final Android a = new Android();
a.handler = makeAndroid_makeDialogHandler(greeting, f);
a.port = daemon
? startDialogServerOnPortAboveDaemon(makeAndroid_startPort, a.handler)
: startDialogServerOnPortAbove(makeAndroid_startPort, a.handler);
a.publicOverride = makeAndroid_forcePublic;
if (console) {
// Console handling stuff
print("You may also type on this console.");
Thread _t_0 = new Thread() {
public void run() {
try {
List history = new ArrayList();
String line;
while ((line = readLine()) != null) {
if ("bye".equals(line)) {
print("> bye stranger");
history = new ArrayList();
} else {
history.add(line);
history.add(makeAndroid_getAnswer(line, history, 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;
}
static DialogHandler makeAndroid_makeDialogHandler(final String greeting, final StringFunc f) {
return new DialogHandler() {
public void run(final DialogIO io) {
if (!makeAndroid_forcePublic && !(publicCommOn() || io.isLocalConnection())) {
io.sendLine("Sorry, not allowed");
return;
}
String dialogID = randomID(8);
io.sendLine(greeting + " / Your ID: " + dialogID);
List history = new ArrayList();
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;
}
Matches m = new Matches();
history.add(line);
String answer;
if (match3("this is a continuation of talk *", s, m)
|| match3("hello bot! this is a continuation of talk *", s, m)) {
dialogID = unquote(m.m[0]);
answer = "ok";
} else
answer = makeAndroid_getAnswer(line, history, f);
history.add(answer);
io.sendLine(answer);
//appendToLog(logFile, s);
}
}
}};
}
static String makeAndroid_getAnswer(String line, List history, StringFunc f) {
String answer;
try {
answer = makeAndroid_fallback(line, history, f.get(line));
} catch (Throwable e) {
e = getInnerException(e);
e.printStackTrace();
answer = e.toString();
}
print("> " + answer);
return answer;
}
static String makeAndroid_fallback(String s, List history, String answer) {
// too unsafe - disabled
/*
if (answer == null && makeAndroid_allowVMInspection)
answer = (S) call(getJavaX(), "answer", s); // fall back to VM android
*/
// Now we only do the safe thing - give out our process ID
if (answer == null && match3("what is your pid", s))
answer = getPID();
if (answer == null) answer = "?";
if (answer.indexOf('\n') >= 0 || answer.indexOf('\r') >= 0)
answer = quote(answer);
return 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(Object o, String field, Object value) {
if (o instanceof Class) setOpt((Class) o, field, value);
else try {
Field f = setOpt_findField(o.getClass(), field);
if (f == null) return;
f.setAccessible(true);
f.set(o, value);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
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_findField(Class c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field))
return f;
return null;
}
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); }}
static DialogIO talkTo(int port) {
return talkTo("localhost", port);
}
static DialogIO talkTo(String ip, int port) { try {
final Socket s = new Socket(ip, port);
print("Talking to " + 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 (IOException e) {
// whatever
}
}
Socket getSocket() {
return s;
}
void pushback(String l) {
if (line != null)
fail();
line = l;
}
};
} catch (Throwable __e) { throw __e instanceof RuntimeException ? (RuntimeException) __e : new RuntimeException(__e); }} // talkTo
static String[] toStringArray(List list) {
return list.toArray(new String[list.size()]);
}
static String[] toStringArray(Object o) {
if (o instanceof String[])
return (String[]) o;
else if (o instanceof List)
return toStringArray((List) o);
else
throw fail("Not a list or array: " + structure(o));
}
// toStringArray
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) {
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 int length(Object[] array) {
return array == null ? 0 : array.length;
}
static String getSnippetFromBossBot(long snippetID) {
return boss(format3("get text for *", snippetID));
}
static String boss(String line) {
try {
//S s = sendToLocalBotOpt("Boss Bot", line);
DialogIO io = talkTo(4990); // Boss Bot port
io.readLine();
io.sendLine(line);
String s = io.readLine();
Matches m = new Matches();
if (match3("text: *", s, m))
return unquote(m.m[0]);
return null;
} catch (Exception e) {
//e.printStackTrace();
return null;
}
}
static String programID() {
return getProgramID();
}
static class Android3 {
String greeting;
boolean publicOverride; // optionally set this in client
int startPort = 5000; // optionally set this in client
Responder responder;
boolean console = true;
boolean daemon = false;
// set by system
int port;
DialogHandler handler;
ServerSocket server;
Android3(String greeting) {
this.greeting = greeting;}
Android3() {}
synchronized void dispose() {
if (server == null) return;
try {
server.close();
} catch (IOException e) {
print("[internal] " + e);
}
server = null;
}
}
static abstract class Responder {
abstract String answer(String s, List history);
}
static Android3 makeAndroid3(final String greeting) {
return makeAndroid3(new Android3(greeting));
}
static String makeAndroid3_callStaticAnswerMethod(String s, List history) {
String answer = (String) callOpt(getMainClass(), "answer", s, history);
if (answer == null)
answer = (String) callOpt(getMainClass(), "answer", s);
return answer;
}
static Android3 makeAndroid3(final Android3 a) {
if (a.responder == null)
a.responder = new Responder() {
String answer(String s, List history) {
return makeAndroid3_callStaticAnswerMethod(s, history);
}
};
print(a.greeting);
a.handler = makeAndroid3_makeDialogHandler(a);
a.port = a.daemon
? startDialogServerOnPortAboveDaemon(a.startPort, a.handler)
: startDialogServerOnPortAbove(a.startPort, a.handler);
a.server = startDialogServer_serverSocket;
if (a.console && makeAndroid3_consoleInUse()) a.console = false;
if (a.console) {
// Console handling stuff
print("You may also type on this console.");
Thread _t_1 = new Thread() {
public void run() {
try {
List history = new ArrayList();
String line;
while ((line = readLine()) != null) {
if ("bye".equals(line)) {
print("> bye stranger");
history = new ArrayList();
} else {
history.add(line);
history.add(makeAndroid3_getAnswer(line, history, a)); // prints answer on console too
}
}
} catch (Exception _e) {
throw _e instanceof RuntimeException ? (RuntimeException) _e : new RuntimeException(_e); } }
};
_t_1.start();
}
record(a);
return a;
}
static DialogHandler makeAndroid3_makeDialogHandler(final Android3 a) {
return new DialogHandler() {
public void run(final DialogIO io) {
if (!a.publicOverride && !(publicCommOn() || io.isLocalConnection())) {
io.sendLine("Sorry, not allowed");
return;
}
String dialogID = randomID(8);
io.sendLine(a.greeting + " / Your ID: " + dialogID);
List history = new ArrayList();
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;
}
Matches m = new Matches();
history.add(line);
String answer;
if (match3("this is a continuation of talk *", s, m)
|| match3("hello bot! this is a continuation of talk *", s, m)) {
dialogID = unquote(m.m[0]);
answer = "ok";
} else
answer = makeAndroid3_getAnswer(line, history, a);
history.add(answer);
io.sendLine(answer);
//appendToLog(logFile, s);
}
}
}};
}
static String makeAndroid3_getAnswer(String line, List history, Android3 a) {
String answer;
try {
answer = makeAndroid3_fallback(line, history, a.responder.answer(line, history));
} catch (Throwable e) {
e = getInnerException(e);
e.printStackTrace();
answer = e.toString();
}
print("> " + shorten(answer, 500));
return answer;
}
static String makeAndroid3_fallback(String s, List history, String answer) {
// Now we only do the safe thing instead of VM inspection - give out our process ID
if (answer == null && match3("what is your pid", s))
return getPID();
if (answer == null && match3("what is your program id", s)) // should be fairly safe, right?
return getProgramID();
if (answer == null) answer = "?";
if (answer.indexOf('\n') >= 0 || answer.indexOf('\r') >= 0)
answer = quote(answer);
return answer;
}
static boolean makeAndroid3_consoleInUse() {
for (Object o : record_list)
if (o instanceof Android3 && ((Android3) o).console)
return true;
return false;
}
static String format3(String pat, Object... args) {
if (args.length == 0) return pat;
List tok = javaTokPlusPeriod(pat);
int argidx = 0;
for (int i = 1; i < tok.size(); i += 2)
if (tok.get(i).equals("*"))
tok.set(i, format3_formatArg(argidx < args.length ? args[argidx++] : "null"));
return join(tok);
}
static String format3_formatArg(Object arg) {
if (arg == null) return "null";
if (arg instanceof String) return quote((String) arg);
return quote(structure(arg));
}
static Object callOpt(Object o, String method, Object... args) {
try {
if (o instanceof Class) {
Method m = callOpt_findStaticMethod((Class) o, method, args, false);
if (m == null) return null;
m.setAccessible(true);
return m.invoke(null, args);
} else {
Method m = callOpt_findMethod(o, method, args, false);
if (m == null) return null;
m.setAccessible(true);
return m.invoke(o, args);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Method callOpt_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
Class _c = c;
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 || !callOpt_checkArgs(m, args, debug))
continue;
return m;
}
c = c.getSuperclass();
}
return null;
}
static Method callOpt_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) && callOpt_checkArgs(m, args, debug))
return m;
}
c = c.getSuperclass();
}
return null;
}
private static boolean callOpt_checkArgs(Method m, Object[] args, boolean debug) {
Class[] types = m.getParameterTypes();
if (types.length != args.length) {
if (debug)
System.out.println("Bad parameter length: " + args.length + " vs " + types.length);
return false;
}
for (int i = 0; i < types.length; i++)
if (!(args[i] == null || isInstanceX(types[i], args[i]))) {
if (debug)
System.out.println("Bad parameter " + i + ": " + args[i] + " vs " + types[i]);
return false;
}
return true;
}
static 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 record_list = synchroList();
static void record(Object o) {
record_list.add(o);
}
static Set listFields(Class c) {
Set fields = new TreeSet();
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 boolean dialogServer_printConnects;
static Set dialogServer_knownClients = synchroTreeSet();
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 ServerSocket startDialogServer_serverSocket;
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;
startDialogServer_serverSocket = serverSocket;
Thread thread = new Thread("Socket accept port " + port) { public void run() {
try {
while (true) {
try {
final Socket s = _serverSocket.accept();
String client = s.getInetAddress().toString();
if (!dialogServer_knownClients.contains(client)) {
print("connect from " + client + " - clients: " + dialogServer_clients.incrementAndGet());
dialogServer_knownClients.add(client);
}
String threadName = "Handling client " + s.getInetAddress();
Thread t2 = new Thread(threadName) {
public void run() {
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; }
void close() {
try {
s.close();
} catch (IOException e) {
// whatever
}
}
// 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();
}
} catch (IOException e) {
print("[internal] " + e);
} finally {
//print("client disconnect - " + dialogServer_clients.decrementAndGet() + " remaining");
}
}
}; // Thread t2
t2.setDaemon(true); // ?
t2.start();
} catch (SocketTimeoutException e) {
}
}
} catch (IOException e) {
print("[internal] " + 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) {
if (s == null) return false;
List 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 Object getOpt(Class c, String field) {
try {
Field f = getOpt_findStaticField(c, field);
if (f == null) return null;
f.setAccessible(true);
return f.get(null);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
static Field getOpt_findStaticField(Class c, String field) {
for (Field f : c.getDeclaredFields())
if (f.getName().equals(field) && (f.getModifiers() & Modifier.STATIC) != 0)
return f;
return null;
}
static class DynamicObject {
String className;
Map fieldValues = new TreeMap();
}
// actually it's now almost the same as jsonDecode :)
static Object unstructure(String text) {
final List 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);
DynamicObject dO = null;
Object o = null;
if (c != null)
o = nuObject(c);
else {
dO = new DynamicObject();
dO.className = t;
}
i += 2;
if (i < tok.size() && tok.get(i).equals("(")) {
consume("(");
while (!tok.get(i).equals(")")) {
// It's like parsing a map.
//Object key = parse();
//if (tok.get(i).equals(")"))
// key = onlyField();
String key = unquote(tok.get(i));
i += 2;
consume("=");
Object value = parse();
if (o != null)
set(o, key, value);
else
dO.fieldValues.put(key, value);
if (tok.get(i).equals(",")) i += 2;
}
consume(")");
}
return o != null ? o : dO;
}
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 boolean eq(Object a, Object b) {
return a == null ? b == null : a.equals(b);
}
static Matcher matcher(String pattern, String string) {
return Pattern.compile(pattern).matcher(string);
}
static String randomID(int length) {
return makeRandomID(length);
}
static void callMain(Object c, String... args) {
call(c, "main", new Object[] {args});
}
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);
}
}
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
}
static Object call(Object o, String method, Object... args) {
try {
if (o instanceof Class) {
Method m = call_findStaticMethod((Class) o, method, args, false);
m.setAccessible(true);
return m.invoke(null, args);
} else {
Method m = call_findMethod(o, method, args, false);
m.setAccessible(true);
return m.invoke(o, args);
}
} catch (Exception e) {
throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
}
}
static Method call_findStaticMethod(Class c, String method, Object[] args, boolean debug) {
Class _c = c;
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("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;
}
// 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 libraries = new ArrayList();
File srcDir = (File) call(j, "transpileMain", src, libraries);
if (srcDir == null)
fail("transpileMain returned null (src=" + quote(src) + ")");
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);
if (isSnippetID(src))
callOpt(j, "addInstance", src, theClass);
return theClass;
} catch (Exception e) {
throw e instanceof RuntimeException ? (RuntimeException) e : new RuntimeException(e);
}
}
static RuntimeException fail() {
throw new RuntimeException("fail");
}
static RuntimeException fail(Object msg) {
throw new RuntimeException(String.valueOf(msg));
}
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);
}
// leave to false, unless unstructure() breaks
static boolean structure_allowShortening = false;
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) { // TODO: store the type (e.g. HashSet/TreeSet)
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 "array{" + 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\\$", "");
int numFields = 0;
String fieldName = "";
if (shortName.equals("DynamicObject")) {
shortName = (String) get(o, "className");
Map fieldValues = (Map) get(o, "fieldValues");
for (String _fieldName : fieldValues.keySet()) {
fieldName = _fieldName;
Object value = fieldValues.get(fieldName);
if (value != null) {
if (buf.length() != 0) buf.append(", ");
buf.append(fieldName + "=" + structure(value, stringSizeLimit));
}
++numFields;
}
} else {
// regular class
// TODO: go to superclasses too
Field[] fields = o.getClass().getDeclaredFields();
for (Field field : fields) {
if ((field.getModifiers() & Modifier.STATIC) != 0)
continue;
Object value;
try {
field.setAccessible(true);
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 && structure_allowShortening)
b = b.replaceAll("^" + fieldName + "=", ""); // drop field name if only one
String s = shortName;
if (buf.length() != 0)
s += "(" + b + ")";
return s;
}
static String formatSnippetID(String id) {
return "#" + parseSnippetID(id);
}
static String formatSnippetID(long id) {
return "#" + id;
}
static String getStackTrace(Throwable throwable) {
StringWriter writer = new StringWriter();
throwable.printStackTrace(new PrintWriter(writer));
return writer.toString();
}
static Set synchroTreeSet() {
return Collections.synchronizedSet(new TreeSet ());
}
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 String programID;
static String getProgramID() {
return programID;
}
static List parse3(String s) {
return dropPunctuation(javaTokPlusPeriod(s));
}
static List synchroList() {
return Collections.synchronizedList(new ArrayList ());
}
static List synchroList(List l) {
return Collections.synchronizedList(l);
}
static Class __javax;
static Class getJavaX() {
return __javax;
}
// match2 matches multiple "*" (matches a single token) wildcards and zero or one "..." wildcards (matches multiple tokens)
static String[] match2(List pat, List tok) {
// standard case (no ...)
int i = pat.indexOf("...");
if (i < 0) return match2_match(pat, tok);
pat = new ArrayList(pat); // We're modifying it, so copy first
pat.set(i, "*");
while (pat.size() < tok.size()) {
pat.add(i, "*");
pat.add(i+1, ""); // doesn't matter
}
return match2_match(pat, tok);
}
static String[] match2_match(List pat, List tok) {
List result = new ArrayList();
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 javaTokPlusPeriod(String s) {
List tok = new ArrayList();
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)) || s.charAt(j) == '\'')); // for things like "this one's"
else if (Character.isDigit(c))
do ++j; while (j < l && Character.isDigit(s.charAt(j)));
else if (cc.equals("[[")) {
do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]"));
j = Math.min(j+2, l);
} else if (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 javaTok(String s) {
List tok = new ArrayList();
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;
}
static String shorten(String s, int max) {
return s.length() <= max ? s : s.substring(0, Math.min(s.length(), max)) + "...";
}
static List dropPunctuation(List tok) {
tok = new ArrayList(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;
}
}