!7

sbool verbose = true;

p {

  makeAndroid("Compiler bot with caching!");

}

static synchronized S answer(S s) {

  new Matches m;

  if (match3("Please compile this JavaX snippet: *", s, m)) {

    S snippetID = unquote(m.m[0]);

    S transpiledSrc = getServerTranspiled(snippetID);

    int i = transpiledSrc.indexOf('\n');

    String libs = transpiledSrc.substring(0, Math.max(0, i));

    print("Compiling snippet: " + snippetID + ". Libs: " + libs);

    transpiledSrc = transpiledSrc.substring(i+1);

    return compile(transpiledSrc, libs);

  }

  if "Please compile this Java text: *"

    ret compile($1, "");

  if "Please compile this Java text: * with libraries *"

    ret compile($1, $2);

  if (match3("Please compile this Java text: * for java version *", s, m)) {

    String src = unquote(m.m[0]);

    String target = unquote(m.m[1]);

    return compile(src, "", target);

  }

  return null;

}

static synchronized S compile(S src, S libs) {

  return compile(src, libs, null);

}

static synchronized S compile(S src, S dehlibs, S javaTarget) {

  if (verbose)

    print("Compiling " + l(src) + " chars");

  S md5 = md5(src);

  File jar = getJarFile(md5);

  if (jar == null || jar.length() <= 22) {

    // have to compile

    try {

      javaCompileToJar(src, dehlibs, jar);

    } catch e {

      ret e.getMessage();

    }

  } else {

    print("Getting classes from cache (" + jar.getAbsolutePath() + ", " + jar.length() + " bytes)");

    touchFile(jar); // so we can find the unused ones easier

  }

  return "ok, " + quote(jar.getAbsolutePath());

}

static File getJarFile(S md5) {

  assertTrue(isMD5(md5));

  ret new File(getCacheProgramDir(), md5 + ".jar");

}