Пример #1
0
  @SuppressWarnings("unchecked")
  private static void defineGlobalEnvConstants(Ruby runtime) {
    Map<RubyString, RubyString> environmentVariableMap =
        OSEnvironment.environmentVariableMap(runtime);
    RubyHash env =
        new CaseInsensitiveStringOnlyRubyHash(
            runtime,
            environmentVariableMap,
            runtime.getNil(),
            runtime.getInstanceConfig().isNativeEnabled()
                && runtime.getInstanceConfig().isUpdateNativeENVEnabled());
    env.getSingletonClass().defineAnnotatedMethods(CaseInsensitiveStringOnlyRubyHash.class);
    runtime.defineGlobalConstant("ENV", env);
    runtime.setENV(env);

    // Define System.getProperties() in ENV_JAVA
    Map<RubyString, RubyString> systemPropertiesMap = OSEnvironment.systemPropertiesMap(runtime);
    RubyHash envJava =
        new ReadOnlySystemPropertiesHash(runtime, systemPropertiesMap, runtime.getNil());
    envJava.setFrozen(true);
    runtime.defineGlobalConstant("ENV_JAVA", envJava);
  }
Пример #2
0
 private void doSetContextClassLoader(Ruby runtime) {
   // set thread context JRuby classloader here, for the main thread
   try {
     Thread.currentThread().setContextClassLoader(runtime.getJRubyClassLoader());
   } catch (SecurityException se) {
     // can't set TC classloader
     if (runtime.getInstanceConfig().isVerbose()) {
       config
           .getError()
           .println(
               "WARNING: Security restrictions disallowed setting context classloader for main thread.");
     }
   }
 }
Пример #3
0
 private static int handleRaiseException(RaiseException rj) {
   RubyException raisedException = rj.getException();
   Ruby runtime = raisedException.getRuntime();
   if (runtime.getSystemExit().isInstance(raisedException)) {
     IRubyObject status = raisedException.callMethod(runtime.getCurrentContext(), "status");
     if (status != null && !status.isNil()) {
       return RubyNumeric.fix2int(status);
     } else {
       return 0;
     }
   } else {
     System.err.print(runtime.getInstanceConfig().getTraceType().printBacktrace(raisedException));
     return 1;
   }
 }
Пример #4
0
  public static void initARGV(Ruby runtime) {
    // define ARGV and $* for this runtime
    RubyArray argvArray = runtime.newArray();
    String[] argv = runtime.getInstanceConfig().getArgv();

    for (String arg : argv) {
      argvArray.append(RubyString.newInternalFromJavaExternal(runtime, arg));
    }

    if (runtime.getObject().getConstantNoConstMissing("ARGV") != null) {
      ((RubyArray) runtime.getObject().getConstant("ARGV")).replace(argvArray);
    } else {
      runtime.getObject().setConstantQuiet("ARGV", argvArray);
      runtime.getGlobalVariables().define("$*", new ValueAccessor(argvArray), GLOBAL);
    }
  }
Пример #5
0
  @Override
  public void init() {
    if (RubyContext.PRINT_RUNTIME) {
      runtime
          .getInstanceConfig()
          .getError()
          .println("jruby: using " + Truffle.getRuntime().getName());
    }

    // Bring in core method nodes

    CoreMethodNodeManager.addStandardMethods(truffleContext.getCoreLibrary().getObjectClass());

    // Give the core library manager a chance to tweak some of those methods

    truffleContext.getCoreLibrary().initializeAfterMethodsAdded();

    // Set program arguments

    for (IRubyObject arg :
        ((org.jruby.RubyArray) runtime.getObject().getConstant("ARGV")).toJavaArray()) {
      assert arg != null;

      truffleContext.getCoreLibrary().getArgv().slowPush(truffleContext.makeString(arg.toString()));
    }

    // Set the load path

    final RubyArray loadPath =
        (RubyArray)
            truffleContext.getCoreLibrary().getGlobalVariablesObject().getInstanceVariable("$:");

    for (IRubyObject path :
        ((org.jruby.RubyArray) runtime.getLoadService().getLoadPath()).toJavaArray()) {
      loadPath.slowPush(truffleContext.makeString(path.toString()));
    }

    // Hook

    if (truffleContext.getHooks() != null) {
      truffleContext.getHooks().afterInit(truffleContext);
    }
  }
Пример #6
0
  public static void createGlobals(ThreadContext context, Ruby runtime) {
    runtime.defineGlobalConstant("TOPLEVEL_BINDING", runtime.newBinding());

    runtime.defineGlobalConstant("TRUE", runtime.getTrue());
    runtime.defineGlobalConstant("FALSE", runtime.getFalse());
    runtime.defineGlobalConstant("NIL", runtime.getNil());

    // define ARGV and $* for this runtime
    RubyArray argvArray = runtime.newArray();
    String[] argv = runtime.getInstanceConfig().getArgv();
    for (int i = 0; i < argv.length; i++) {
      argvArray.append(RubyString.newStringShared(runtime, argv[i].getBytes()));
    }
    runtime.defineGlobalConstant("ARGV", argvArray);
    runtime.getGlobalVariables().defineReadonly("$*", new ValueAccessor(argvArray));

    IAccessor d =
        new ValueAccessor(runtime.newString(runtime.getInstanceConfig().displayedFileName()));
    runtime.getGlobalVariables().define("$PROGRAM_NAME", d);
    runtime.getGlobalVariables().define("$0", d);

    // Version information:
    IRubyObject version = null;
    IRubyObject patchlevel = null;
    IRubyObject release = runtime.newString(Constants.COMPILE_DATE).freeze(context);
    IRubyObject platform = runtime.newString(Constants.PLATFORM).freeze(context);
    IRubyObject engine = runtime.newString(Constants.ENGINE).freeze(context);

    switch (runtime.getInstanceConfig().getCompatVersion()) {
      case RUBY1_8:
        version = runtime.newString(Constants.RUBY_VERSION).freeze(context);
        patchlevel = runtime.newFixnum(Constants.RUBY_PATCHLEVEL).freeze(context);
        break;
      case RUBY1_9:
        version = runtime.newString(Constants.RUBY1_9_VERSION).freeze(context);
        patchlevel = runtime.newFixnum(Constants.RUBY1_9_PATCHLEVEL).freeze(context);
        break;
    }
    runtime.defineGlobalConstant("RUBY_VERSION", version);
    runtime.defineGlobalConstant("RUBY_PATCHLEVEL", patchlevel);
    runtime.defineGlobalConstant("RUBY_RELEASE_DATE", release);
    runtime.defineGlobalConstant("RUBY_PLATFORM", platform);
    runtime.defineGlobalConstant("RUBY_ENGINE", engine);

    IRubyObject description =
        runtime.newString(runtime.getInstanceConfig().getVersionString()).freeze(context);
    runtime.defineGlobalConstant("RUBY_DESCRIPTION", description);

    IRubyObject copyright =
        runtime.newString(runtime.getInstanceConfig().getCopyrightString()).freeze(context);
    runtime.defineGlobalConstant("RUBY_COPYRIGHT", copyright);

    runtime.defineGlobalConstant("VERSION", version);
    runtime.defineGlobalConstant("RELEASE_DATE", release);
    runtime.defineGlobalConstant("PLATFORM", platform);

    IRubyObject jrubyVersion = runtime.newString(Constants.VERSION).freeze(context);
    IRubyObject jrubyRevision = runtime.newString(Constants.REVISION).freeze(context);
    runtime.defineGlobalConstant("JRUBY_VERSION", jrubyVersion);
    runtime.defineGlobalConstant("JRUBY_REVISION", jrubyRevision);

    if (runtime.is1_9()) {
      // needs to be a fixnum, but our revision is a sha1 hash from git
      runtime.defineGlobalConstant("RUBY_REVISION", runtime.newFixnum(Constants.RUBY1_9_REVISION));
    }

    GlobalVariable kcodeGV = new KCodeGlobalVariable(runtime, "$KCODE", runtime.newString("NONE"));
    runtime.defineVariable(kcodeGV);
    runtime.defineVariable(new GlobalVariable.Copy(runtime, "$-K", kcodeGV));
    IRubyObject defaultRS =
        runtime.newString(runtime.getInstanceConfig().getRecordSeparator()).freeze(context);
    GlobalVariable rs = new StringGlobalVariable(runtime, "$/", defaultRS);
    runtime.defineVariable(rs);
    runtime.setRecordSeparatorVar(rs);
    runtime.getGlobalVariables().setDefaultSeparator(defaultRS);
    runtime.defineVariable(new StringGlobalVariable(runtime, "$\\", runtime.getNil()));
    runtime.defineVariable(new StringGlobalVariable(runtime, "$,", runtime.getNil()));

    runtime.defineVariable(new LineNumberGlobalVariable(runtime, "$."));
    runtime.defineVariable(new LastlineGlobalVariable(runtime, "$_"));
    runtime.defineVariable(new LastExitStatusVariable(runtime, "$?"));

    runtime.defineVariable(new ErrorInfoGlobalVariable(runtime, "$!", runtime.getNil()));
    runtime.defineVariable(new NonEffectiveGlobalVariable(runtime, "$=", runtime.getFalse()));

    if (runtime.getInstanceConfig().getInputFieldSeparator() == null) {
      runtime.defineVariable(new GlobalVariable(runtime, "$;", runtime.getNil()));
    } else {
      runtime.defineVariable(
          new GlobalVariable(
              runtime,
              "$;",
              RubyRegexp.newRegexp(
                  runtime, runtime.getInstanceConfig().getInputFieldSeparator(), 0)));
    }

    Boolean verbose = runtime.getInstanceConfig().getVerbose();
    IRubyObject verboseValue = null;
    if (verbose == null) {
      verboseValue = runtime.getNil();
    } else if (verbose == Boolean.TRUE) {
      verboseValue = runtime.getTrue();
    } else {
      verboseValue = runtime.getFalse();
    }
    runtime.defineVariable(new VerboseGlobalVariable(runtime, "$VERBOSE", verboseValue));

    IRubyObject debug = runtime.newBoolean(runtime.getInstanceConfig().isDebug());
    runtime.defineVariable(new DebugGlobalVariable(runtime, "$DEBUG", debug));
    runtime.defineVariable(new DebugGlobalVariable(runtime, "$-d", debug));

    runtime.defineVariable(new SafeGlobalVariable(runtime, "$SAFE"));

    runtime.defineVariable(new BacktraceGlobalVariable(runtime, "$@"));

    IRubyObject stdin = new RubyIO(runtime, STDIO.IN);
    IRubyObject stdout = new RubyIO(runtime, STDIO.OUT);
    IRubyObject stderr = new RubyIO(runtime, STDIO.ERR);

    runtime.defineVariable(new InputGlobalVariable(runtime, "$stdin", stdin));

    runtime.defineVariable(new OutputGlobalVariable(runtime, "$stdout", stdout));
    runtime.getGlobalVariables().alias("$>", "$stdout");
    runtime.getGlobalVariables().alias("$defout", "$stdout");

    runtime.defineVariable(new OutputGlobalVariable(runtime, "$stderr", stderr));
    runtime.getGlobalVariables().alias("$deferr", "$stderr");

    runtime.defineGlobalConstant("STDIN", stdin);
    runtime.defineGlobalConstant("STDOUT", stdout);
    runtime.defineGlobalConstant("STDERR", stderr);

    runtime.defineVariable(new LoadedFeatures(runtime, "$\""));
    runtime.defineVariable(new LoadedFeatures(runtime, "$LOADED_FEATURES"));

    runtime.defineVariable(new LoadPath(runtime, "$:"));
    runtime.defineVariable(new LoadPath(runtime, "$-I"));
    runtime.defineVariable(new LoadPath(runtime, "$LOAD_PATH"));

    runtime.defineVariable(new MatchMatchGlobalVariable(runtime, "$&"));
    runtime.defineVariable(new PreMatchGlobalVariable(runtime, "$`"));
    runtime.defineVariable(new PostMatchGlobalVariable(runtime, "$'"));
    runtime.defineVariable(new LastMatchGlobalVariable(runtime, "$+"));
    runtime.defineVariable(new BackRefGlobalVariable(runtime, "$~"));

    // On platforms without a c-library accessable through JNA, getpid will return hashCode
    // as $$ used to. Using $$ to kill processes could take down many runtimes, but by basing
    // $$ on getpid() where available, we have the same semantics as MRI.
    runtime.getGlobalVariables().defineReadonly("$$", new PidAccessor(runtime));

    // after defn of $stderr as the call may produce warnings
    defineGlobalEnvConstants(runtime);

    // Fixme: Do we need the check or does Main.java not call this...they should consolidate
    if (runtime.getGlobalVariables().get("$*").isNil()) {
      runtime.getGlobalVariables().defineReadonly("$*", new ValueAccessor(runtime.newArray()));
    }

    runtime
        .getGlobalVariables()
        .defineReadonly(
            "$-p",
            new ValueAccessor(runtime.newBoolean(runtime.getInstanceConfig().isAssumePrinting())));
    runtime
        .getGlobalVariables()
        .defineReadonly(
            "$-a", new ValueAccessor(runtime.newBoolean(runtime.getInstanceConfig().isSplit())));
    runtime
        .getGlobalVariables()
        .defineReadonly(
            "$-l",
            new ValueAccessor(runtime.newBoolean(runtime.getInstanceConfig().isProcessLineEnds())));

    // ARGF, $< object
    RubyArgsFile.initArgsFile(runtime);
  }
Пример #7
0
  public static void createGlobals(ThreadContext context, Ruby runtime) {
    GlobalVariables globals = runtime.getGlobalVariables();

    runtime.defineGlobalConstant("TOPLEVEL_BINDING", runtime.newBinding());

    runtime.defineGlobalConstant("TRUE", runtime.getTrue());
    runtime.defineGlobalConstant("FALSE", runtime.getFalse());
    runtime.defineGlobalConstant("NIL", runtime.getNil());

    initARGV(runtime);

    IAccessor d =
        new ValueAccessor(runtime.newString(runtime.getInstanceConfig().displayedFileName()));
    globals.define("$PROGRAM_NAME", d, GLOBAL);
    globals.define("$0", d, GLOBAL);

    // Version information:
    IRubyObject version = null;
    IRubyObject patchlevel = null;
    IRubyObject release = runtime.newString(Constants.COMPILE_DATE).freeze(context);
    IRubyObject platform = runtime.newString(Constants.PLATFORM).freeze(context);
    IRubyObject engine = runtime.newString(Constants.ENGINE).freeze(context);

    version = runtime.newString(Constants.RUBY_VERSION).freeze(context);
    patchlevel = runtime.newFixnum(Constants.RUBY_PATCHLEVEL);
    runtime.defineGlobalConstant("RUBY_VERSION", version);
    runtime.defineGlobalConstant("RUBY_PATCHLEVEL", patchlevel);
    runtime.defineGlobalConstant("RUBY_RELEASE_DATE", release);
    runtime.defineGlobalConstant("RUBY_PLATFORM", platform);

    IRubyObject description = runtime.newString(OutputStrings.getVersionString()).freeze(context);
    runtime.defineGlobalConstant("RUBY_DESCRIPTION", description);

    IRubyObject copyright = runtime.newString(OutputStrings.getCopyrightString()).freeze(context);
    runtime.defineGlobalConstant("RUBY_COPYRIGHT", copyright);

    runtime.defineGlobalConstant("RELEASE_DATE", release);
    runtime.defineGlobalConstant("PLATFORM", platform);

    IRubyObject jrubyVersion = runtime.newString(Constants.VERSION).freeze(context);
    IRubyObject jrubyRevision = runtime.newString(Constants.REVISION).freeze(context);
    runtime.defineGlobalConstant("JRUBY_VERSION", jrubyVersion);
    runtime.defineGlobalConstant("JRUBY_REVISION", jrubyRevision);

    // needs to be a fixnum, but our revision is a sha1 hash from git
    runtime.defineGlobalConstant("RUBY_REVISION", runtime.newFixnum(Constants.RUBY_REVISION));
    runtime.defineGlobalConstant("RUBY_ENGINE", engine);
    runtime.defineGlobalConstant("RUBY_ENGINE_VERSION", jrubyVersion);

    RubyInstanceConfig.Verbosity verbosity = runtime.getInstanceConfig().getVerbosity();
    runtime.defineVariable(new WarningGlobalVariable(runtime, "$-W", verbosity), GLOBAL);

    final GlobalVariable kcodeGV;
    kcodeGV = new NonEffectiveGlobalVariable(runtime, "$KCODE", runtime.getNil());

    runtime.defineVariable(kcodeGV, GLOBAL);
    runtime.defineVariable(new GlobalVariable.Copy(runtime, "$-K", kcodeGV), GLOBAL);
    IRubyObject defaultRS =
        runtime.newString(runtime.getInstanceConfig().getRecordSeparator()).freeze(context);
    GlobalVariable rs = new StringGlobalVariable(runtime, "$/", defaultRS);
    runtime.defineVariable(rs, GLOBAL);
    runtime.setRecordSeparatorVar(rs);
    globals.setDefaultSeparator(defaultRS);
    runtime.defineVariable(new StringGlobalVariable(runtime, "$\\", runtime.getNil()), GLOBAL);
    runtime.defineVariable(new StringGlobalVariable(runtime, "$,", runtime.getNil()), GLOBAL);

    runtime.defineVariable(new LineNumberGlobalVariable(runtime, "$."), GLOBAL);
    runtime.defineVariable(new LastlineGlobalVariable(runtime, "$_"), FRAME);
    runtime.defineVariable(new LastExitStatusVariable(runtime, "$?"), THREAD);

    runtime.defineVariable(new ErrorInfoGlobalVariable(runtime, "$!", runtime.getNil()), THREAD);
    runtime.defineVariable(
        new NonEffectiveGlobalVariable(runtime, "$=", runtime.getFalse()), GLOBAL);

    if (runtime.getInstanceConfig().getInputFieldSeparator() == null) {
      runtime.defineVariable(new GlobalVariable(runtime, "$;", runtime.getNil()), GLOBAL);
    } else {
      runtime.defineVariable(
          new GlobalVariable(
              runtime,
              "$;",
              RubyRegexp.newRegexp(
                  runtime,
                  runtime.getInstanceConfig().getInputFieldSeparator(),
                  new RegexpOptions())),
          GLOBAL);
    }

    RubyInstanceConfig.Verbosity verbose = runtime.getInstanceConfig().getVerbosity();
    IRubyObject verboseValue = null;
    if (verbose == RubyInstanceConfig.Verbosity.NIL) {
      verboseValue = runtime.getNil();
    } else if (verbose == RubyInstanceConfig.Verbosity.TRUE) {
      verboseValue = runtime.getTrue();
    } else {
      verboseValue = runtime.getFalse();
    }
    runtime.defineVariable(new VerboseGlobalVariable(runtime, "$VERBOSE", verboseValue), GLOBAL);
    runtime.defineVariable(new VerboseGlobalVariable(runtime, "$-v", verboseValue), GLOBAL);
    runtime.defineVariable(new VerboseGlobalVariable(runtime, "$-w", verboseValue), GLOBAL);

    IRubyObject debug = runtime.newBoolean(runtime.getInstanceConfig().isDebug());
    runtime.defineVariable(new DebugGlobalVariable(runtime, "$DEBUG", debug), GLOBAL);
    runtime.defineVariable(new DebugGlobalVariable(runtime, "$-d", debug), GLOBAL);

    runtime.defineVariable(new SafeGlobalVariable(runtime, "$SAFE"), THREAD);

    runtime.defineVariable(new BacktraceGlobalVariable(runtime, "$@"), THREAD);

    IRubyObject stdin =
        RubyIO.prepStdio(
            runtime,
            runtime.getIn(),
            prepareStdioChannel(runtime, STDIO.IN, runtime.getIn()),
            OpenFile.READABLE,
            runtime.getIO(),
            "<STDIN>");
    IRubyObject stdout =
        RubyIO.prepStdio(
            runtime,
            runtime.getOut(),
            prepareStdioChannel(runtime, STDIO.OUT, runtime.getOut()),
            OpenFile.WRITABLE,
            runtime.getIO(),
            "<STDOUT>");
    IRubyObject stderr =
        RubyIO.prepStdio(
            runtime,
            runtime.getErr(),
            prepareStdioChannel(runtime, STDIO.ERR, runtime.getErr()),
            OpenFile.WRITABLE | OpenFile.SYNC,
            runtime.getIO(),
            "<STDERR>");

    runtime.defineVariable(new InputGlobalVariable(runtime, "$stdin", stdin), GLOBAL);
    runtime.defineVariable(new OutputGlobalVariable(runtime, "$stdout", stdout), GLOBAL);
    globals.alias("$>", "$stdout");
    runtime.defineVariable(new OutputGlobalVariable(runtime, "$stderr", stderr), GLOBAL);

    runtime.defineGlobalConstant("STDIN", stdin);
    runtime.defineGlobalConstant("STDOUT", stdout);
    runtime.defineGlobalConstant("STDERR", stderr);

    runtime.defineVariable(new LoadedFeatures(runtime, "$\""), GLOBAL);
    runtime.defineVariable(new LoadedFeatures(runtime, "$LOADED_FEATURES"), GLOBAL);

    runtime.defineVariable(new LoadPath(runtime, "$:"), GLOBAL);
    runtime.defineVariable(new LoadPath(runtime, "$-I"), GLOBAL);
    runtime.defineVariable(new LoadPath(runtime, "$LOAD_PATH"), GLOBAL);

    runtime.defineVariable(new MatchMatchGlobalVariable(runtime, "$&"), FRAME);
    runtime.defineVariable(new PreMatchGlobalVariable(runtime, "$`"), FRAME);
    runtime.defineVariable(new PostMatchGlobalVariable(runtime, "$'"), FRAME);
    runtime.defineVariable(new LastMatchGlobalVariable(runtime, "$+"), FRAME);
    runtime.defineVariable(new BackRefGlobalVariable(runtime, "$~"), FRAME);

    // On platforms without a c-library accessable through JNA, getpid will return hashCode
    // as $$ used to. Using $$ to kill processes could take down many runtimes, but by basing
    // $$ on getpid() where available, we have the same semantics as MRI.
    globals.defineReadonly("$$", new PidAccessor(runtime), GLOBAL);

    // after defn of $stderr as the call may produce warnings
    defineGlobalEnvConstants(runtime);

    // Fixme: Do we need the check or does Main.java not call this...they should consolidate
    if (globals.get("$*").isNil()) {
      globals.defineReadonly("$*", new ValueAccessor(runtime.newArray()), GLOBAL);
    }

    globals.defineReadonly(
        "$-p",
        new ValueAccessor(runtime.newBoolean(runtime.getInstanceConfig().isAssumePrinting())),
        GLOBAL);
    globals.defineReadonly(
        "$-a",
        new ValueAccessor(runtime.newBoolean(runtime.getInstanceConfig().isSplit())),
        GLOBAL);
    globals.defineReadonly(
        "$-l",
        new ValueAccessor(runtime.newBoolean(runtime.getInstanceConfig().isProcessLineEnds())),
        GLOBAL);

    // ARGF, $< object
    RubyArgsFile.initArgsFile(runtime);

    globals.alias("$-0", "$/");

    // Define aliases originally in the "English.rb" stdlib
    globals.alias("$ERROR_INFO", "$!");
    globals.alias("$ERROR_POSITION", "$@");
    globals.alias("$FS", "$;");
    globals.alias("$FIELD_SEPARATOR", "$;");
    globals.alias("$OFS", "$,");
    globals.alias("$OUTPUT_FIELD_SEPARATOR", "$,");
    globals.alias("$RS", "$/");
    globals.alias("$INPUT_RECORD_SEPARATOR", "$/");
    globals.alias("$ORS", "$\\");
    globals.alias("$OUTPUT_RECORD_SEPARATOR", "$\\");
    globals.alias("$NR", "$.");
    globals.alias("$INPUT_LINE_NUMBER", "$.");
    globals.alias("$LAST_READ_LINE", "$_");
    globals.alias("$DEFAULT_OUTPUT", "$>");
    globals.alias("$DEFAULT_INPUT", "$<");
    globals.alias("$PID", "$$");
    globals.alias("$PROCESS_ID", "$$");
    globals.alias("$CHILD_STATUS", "$?");
    globals.alias("$LAST_MATCH_INFO", "$~");
    globals.alias("$IGNORECASE", "$=");
    globals.alias("$ARGV", "$*");
    globals.alias("$MATCH", "$&");
    globals.alias("$PREMATCH", "$`");
    globals.alias("$POSTMATCH", "$'");
    globals.alias("$LAST_PAREN_MATCH", "$+");
  }
Пример #8
0
  public int run() {
    if (config.isShowVersion()) {
      showVersion();
    }

    if (config.isShowCopyright()) {
      showCopyright();
    }

    if (!config.shouldRunInterpreter()) {
      if (config.shouldPrintUsage()) {
        printUsage();
      }
      if (config.shouldPrintProperties()) {
        printProperties();
      }
      return 0;
    }

    InputStream in = config.getScriptSource();
    String filename = config.displayedFileName();

    String[] args = parseShebangOptions(in);
    if (args.length > 0) {
      config.processArguments(args);
    }
    Ruby runtime = Ruby.newInstance(config);

    // set thread context JRuby classloader here, for the main thread
    try {
      Thread.currentThread().setContextClassLoader(runtime.getJRubyClassLoader());
    } catch (SecurityException se) {
      // can't set TC classloader
      if (runtime.getInstanceConfig().isVerbose()) {
        config
            .getError()
            .println(
                "WARNING: Security restrictions disallowed setting context classloader for main thread.");
      }
    }

    if (in == null) {
      // no script to run, return success below
    } else if (config.isShouldCheckSyntax()) {
      int status = 0;
      try {
        runtime.parseFromMain(in, filename);
        config.getOutput().println("Syntax OK for " + filename);
      } catch (RaiseException re) {
        status = -1;
        if (re.getException().getMetaClass().getBaseName().equals("SyntaxError")) {
          config
              .getOutput()
              .println("SyntaxError in " + re.getException().message(runtime.getCurrentContext()));
        } else {
          throw re;
        }
      }

      if (config.getArgv().length > 0) {
        for (String arg : config.getArgv()) {
          File argFile = new File(arg);
          if (argFile.exists()) {
            try {
              runtime.parseFromMain(new FileInputStream(argFile), arg);
              config.getOutput().println("Syntax OK for " + arg);
            } catch (FileNotFoundException fnfe) {
              status = -1;
              config.getOutput().println("File not found: " + arg);
            } catch (RaiseException re) {
              status = -1;
              if (re.getException().getMetaClass().getBaseName().equals("SyntaxError")) {
                config
                    .getOutput()
                    .println(
                        "SyntaxError in " + re.getException().message(runtime.getCurrentContext()));
              } else {
                throw re;
              }
            }
          } else {
            status = -1;
            config.getOutput().println("File not found: " + arg);
          }
        }
      }
      return status;
    } else {
      long now = -1;

      try {
        if (config.isBenchmarking()) {
          now = System.currentTimeMillis();
        }

        if (config.isSamplingEnabled()) {
          SimpleSampler.startSampleThread();
        }

        try {
          runtime.runFromMain(in, filename);
        } finally {
          runtime.tearDown();

          if (config.isBenchmarking()) {
            config.getOutput().println("Runtime: " + (System.currentTimeMillis() - now) + " ms");
          }

          if (config.isSamplingEnabled()) {
            org.jruby.util.SimpleSampler.report();
          }
        }
      } catch (RaiseException rj) {
        RubyException raisedException = rj.getException();
        if (runtime.getSystemExit().isInstance(raisedException)) {
          IRubyObject status = raisedException.callMethod(runtime.getCurrentContext(), "status");

          if (status != null && !status.isNil()) {
            return RubyNumeric.fix2int(status);
          }
        } else {
          runtime.printError(raisedException);
          return 1;
        }
      }
    }
    return 0;
  }