Esempio n. 1
0
  @JRubyMethod
  public IRubyObject source_location(ThreadContext context) {
    Ruby runtime = context.runtime;
    if (file != null)
      return runtime.newArray(runtime.newString(file), runtime.newFixnum(line + 1 /*zero-based*/));

    if (block != null) {
      Binding binding = block.getBinding();
      return runtime.newArray(
          runtime.newString(binding.getFile()),
          runtime.newFixnum(binding.getLine() + 1 /*zero-based*/));
    }

    return runtime.getNil();
  }
Esempio n. 2
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  @JRubyMethod(name = "source_location", compat = CompatVersion.RUBY1_9)
  public IRubyObject source_location(ThreadContext context) {
    Ruby runtime = context.getRuntime();
    if (sourcePosition != null) {
      return runtime.newArray(
          runtime.newString(sourcePosition.getFile()),
          runtime.newFixnum(sourcePosition.getLine() + 1 /*zero-based*/));
    } else if (block != null) {
      Binding binding = block.getBinding();
      return runtime.newArray(
          runtime.newString(binding.getFile()),
          runtime.newFixnum(binding.getLine() + 1 /*zero-based*/));
    }

    return runtime.getNil();
  }
Esempio n. 3
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 @JRubyMethod(name = "_id2ref", required = 1, module = true, visibility = Visibility.PRIVATE)
 public static IRubyObject id2ref(IRubyObject recv, IRubyObject id) {
   Ruby runtime = id.getRuntime();
   if (!(id instanceof RubyFixnum)) {
     throw recv.getRuntime().newTypeError(id, recv.getRuntime().getFixnum());
   }
   RubyFixnum idFixnum = (RubyFixnum) id;
   long longId = idFixnum.getLongValue();
   if (longId == 0) {
     return runtime.getFalse();
   } else if (longId == 2) {
     return runtime.getTrue();
   } else if (longId == 4) {
     return runtime.getNil();
   } else if (longId % 2 != 0) {
     // odd
     return runtime.newFixnum((longId - 1) / 2);
   } else {
     if (runtime.isObjectSpaceEnabled()) {
       IRubyObject object = runtime.getObjectSpace().id2ref(longId);
       if (object == null) {
         return runtime.getNil();
       }
       return object;
     } else {
       runtime
           .getWarnings()
           .warn("ObjectSpace is disabled; _id2ref only supports immediates, pass -X+O to enable");
       return runtime.getNil();
     }
   }
 }
Esempio n. 4
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  @JRubyMethod(name = "each_byte", frame = true)
  public IRubyObject each_byte(ThreadContext context, Block block) {
    checkReadable();
    Ruby runtime = context.getRuntime();
    ByteList bytes = internal.getByteList();

    // Check the length every iteration, since
    // the block can modify this string.
    while (pos < bytes.length()) {
      block.yield(context, runtime.newFixnum(bytes.get((int) pos++) & 0xFF));
    }
    return runtime.getNil();
  }
Esempio n. 5
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 @JRubyMethod(
     name = "define_finalizer",
     required = 1,
     optional = 1,
     frame = true,
     module = true,
     visibility = Visibility.PRIVATE)
 public static IRubyObject define_finalizer(IRubyObject recv, IRubyObject[] args, Block block) {
   Ruby runtime = recv.getRuntime();
   IRubyObject finalizer = null;
   if (args.length == 2) {
     finalizer = args[1];
     if (!finalizer.respondsTo("call")) {
       throw runtime.newArgumentError(
           "wrong type argument " + finalizer.getType() + " (should be callable)");
     }
   } else {
     finalizer = runtime.newProc(Block.Type.PROC, block);
   }
   IRubyObject obj = args[0];
   runtime.getObjectSpace().addFinalizer(obj, finalizer);
   return runtime.newArray(runtime.newFixnum(runtime.getSafeLevel()), finalizer);
 }
Esempio n. 6
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 public RubySystemCallError(Ruby runtime, RubyClass rubyClass, String message, int errno) {
   super(runtime, rubyClass, message);
   this.errno = runtime.newFixnum(errno);
 }
Esempio n. 7
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 public IRubyObject getValue() {
   return pid != null ? pid : (pid = runtime.newFixnum(runtime.getPosix().getpid()));
 }
Esempio n. 8
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  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);
  }
Esempio n. 9
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  /** Create the Zlib module and add it to the Ruby runtime. */
  public static RubyModule createZlibModule(Ruby runtime) {
    RubyModule result = runtime.defineModule("Zlib");

    RubyClass gzfile =
        result.defineClassUnder("GzipFile", runtime.getObject(), RubyGzipFile.GZIPFILE_ALLOCATOR);
    gzfile.defineAnnotatedMethods(RubyGzipFile.class);

    RubyClass gzreader =
        result.defineClassUnder("GzipReader", gzfile, RubyGzipReader.GZIPREADER_ALLOCATOR);
    gzreader.includeModule(runtime.getEnumerable());
    gzreader.defineAnnotatedMethods(RubyGzipReader.class);

    RubyClass standardError = runtime.getStandardError();
    RubyClass zlibError =
        result.defineClassUnder("Error", standardError, standardError.getAllocator());
    gzreader.defineClassUnder("Error", zlibError, zlibError.getAllocator());

    RubyClass gzwriter =
        result.defineClassUnder("GzipWriter", gzfile, RubyGzipWriter.GZIPWRITER_ALLOCATOR);
    gzwriter.defineAnnotatedMethods(RubyGzipWriter.class);

    result.defineConstant("ZLIB_VERSION", runtime.newString("1.2.1"));
    result.defineConstant("VERSION", runtime.newString("0.6.0"));

    result.defineConstant("BINARY", runtime.newFixnum(0));
    result.defineConstant("ASCII", runtime.newFixnum(1));
    result.defineConstant("UNKNOWN", runtime.newFixnum(2));

    result.defineConstant("DEF_MEM_LEVEL", runtime.newFixnum(8));
    result.defineConstant("MAX_MEM_LEVEL", runtime.newFixnum(9));

    result.defineConstant("OS_UNIX", runtime.newFixnum(3));
    result.defineConstant("OS_UNKNOWN", runtime.newFixnum(255));
    result.defineConstant("OS_CODE", runtime.newFixnum(11));
    result.defineConstant("OS_ZSYSTEM", runtime.newFixnum(8));
    result.defineConstant("OS_VMCMS", runtime.newFixnum(4));
    result.defineConstant("OS_VMS", runtime.newFixnum(2));
    result.defineConstant("OS_RISCOS", runtime.newFixnum(13));
    result.defineConstant("OS_MACOS", runtime.newFixnum(7));
    result.defineConstant("OS_OS2", runtime.newFixnum(6));
    result.defineConstant("OS_AMIGA", runtime.newFixnum(1));
    result.defineConstant("OS_QDOS", runtime.newFixnum(12));
    result.defineConstant("OS_WIN32", runtime.newFixnum(11));
    result.defineConstant("OS_ATARI", runtime.newFixnum(5));
    result.defineConstant("OS_MSDOS", runtime.newFixnum(0));
    result.defineConstant("OS_CPM", runtime.newFixnum(9));
    result.defineConstant("OS_TOPS20", runtime.newFixnum(10));

    result.defineConstant("DEFAULT_STRATEGY", runtime.newFixnum(0));
    result.defineConstant("FILTERED", runtime.newFixnum(1));
    result.defineConstant("HUFFMAN_ONLY", runtime.newFixnum(2));

    result.defineConstant("NO_FLUSH", runtime.newFixnum(0));
    result.defineConstant("SYNC_FLUSH", runtime.newFixnum(2));
    result.defineConstant("FULL_FLUSH", runtime.newFixnum(3));
    result.defineConstant("FINISH", runtime.newFixnum(4));

    result.defineConstant("NO_COMPRESSION", runtime.newFixnum(0));
    result.defineConstant("BEST_SPEED", runtime.newFixnum(1));
    result.defineConstant("DEFAULT_COMPRESSION", runtime.newFixnum(-1));
    result.defineConstant("BEST_COMPRESSION", runtime.newFixnum(9));

    result.defineConstant("MAX_WBITS", runtime.newFixnum(15));

    result.defineAnnotatedMethods(RubyZlib.class);

    result.defineClassUnder("StreamEnd", zlibError, zlibError.getAllocator());
    result.defineClassUnder("StreamError", zlibError, zlibError.getAllocator());
    result.defineClassUnder("BufError", zlibError, zlibError.getAllocator());
    result.defineClassUnder("NeedDict", zlibError, zlibError.getAllocator());
    result.defineClassUnder("MemError", zlibError, zlibError.getAllocator());
    result.defineClassUnder("VersionError", zlibError, zlibError.getAllocator());
    result.defineClassUnder("DataError", zlibError, zlibError.getAllocator());

    RubyClass gzError = gzfile.defineClassUnder("Error", zlibError, zlibError.getAllocator());
    gzfile.defineClassUnder("CRCError", gzError, gzError.getAllocator());
    gzfile.defineClassUnder("NoFooter", gzError, gzError.getAllocator());
    gzfile.defineClassUnder("LengthError", gzError, gzError.getAllocator());

    // ZStream actually *isn't* allocatable
    RubyClass zstream =
        result.defineClassUnder(
            "ZStream", runtime.getObject(), ObjectAllocator.NOT_ALLOCATABLE_ALLOCATOR);
    zstream.defineAnnotatedMethods(ZStream.class);
    zstream.undefineMethod("new");

    RubyClass infl = result.defineClassUnder("Inflate", zstream, Inflate.INFLATE_ALLOCATOR);
    infl.defineAnnotatedMethods(Inflate.class);

    RubyClass defl = result.defineClassUnder("Deflate", zstream, Deflate.DEFLATE_ALLOCATOR);
    defl.defineAnnotatedMethods(Deflate.class);

    runtime
        .getKernel()
        .callMethod(runtime.getCurrentContext(), "require", runtime.newString("stringio"));

    return result;
  }
Esempio n. 10
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  public static RubyNumeric intervalStepSize(
      ThreadContext context,
      IRubyObject from,
      IRubyObject to,
      IRubyObject step,
      boolean excludeLast) {
    Ruby runtime = context.runtime;

    if (from instanceof RubyFixnum && to instanceof RubyFixnum && step instanceof RubyFixnum) {
      long diff = ((RubyFixnum) step).getLongValue();
      if (diff == 0) {
        return RubyFloat.newFloat(runtime, Double.POSITIVE_INFINITY);
      }

      long delta = ((RubyFixnum) to).getLongValue() - ((RubyFixnum) from).getLongValue();
      if (diff < 0) {
        diff = -diff;
        delta = -delta;
      }
      if (excludeLast) {
        delta--;
      }
      if (delta < 0) {
        return runtime.newFixnum(0);
      }

      long result = delta / diff;
      return new RubyFixnum(runtime, result >= 0 ? result + 1 : 0);
    } else if (from instanceof RubyFloat || to instanceof RubyFloat || step instanceof RubyFloat) {
      double n =
          floatStepSize(
              from.convertToFloat().getDoubleValue(),
              to.convertToFloat().getDoubleValue(),
              step.convertToFloat().getDoubleValue(),
              excludeLast);

      if (Double.isInfinite(n)) {
        return runtime.newFloat(n);
      } else {
        return runtime.newFloat(n).convertToInteger();
      }
    } else {
      String cmpString = ">";
      RubyFixnum zero = RubyFixnum.zero(runtime);
      IRubyObject comparison = zero.coerceCmp(context, "<=>", step);

      switch (RubyComparable.cmpint(context, comparison, step, zero)) {
        case 0:
          return RubyFloat.newFloat(runtime, Float.POSITIVE_INFINITY);
        case 1:
          cmpString = "<";
          break;
      }

      if (from.callMethod(context, cmpString, to).isTrue()) {
        return RubyFixnum.zero(runtime);
      }

      IRubyObject diff = to.callMethod(context, "-", from);
      IRubyObject result = diff.callMethod(context, "div", step);
      if (!excludeLast
          || from.callMethod(context, "+", result.callMethod(context, "*", step))
              .callMethod(context, cmpString, to)
              .isTrue()) {
        result = result.callMethod(context, "+", RubyFixnum.newFixnum(runtime, 1));
      }
      return (RubyNumeric) result;
    }
  }
Esempio n. 11
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("$LAST_PAREN_MATCH", "$+");
  }