Beispiel #1
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("$LAST_PAREN_MATCH", "$+");
  }
Beispiel #2
0
 private void doShowVersion() {
   if (config.isShowVersion()) {
     config.getOutput().println(OutputStrings.getVersionString());
   }
 }
Beispiel #3
0
 private void doPrintUsage(boolean force) {
   if (config.getShouldPrintUsage() || force) {
     config.getOutput().print(OutputStrings.getBasicUsageHelp());
   }
 }
Beispiel #4
0
 private void doShowCopyright() {
   if (config.isShowCopyright()) {
     config.getOutput().println(OutputStrings.getCopyrightString());
   }
 }
Beispiel #5
0
 private void doPrintProperties() {
   if (config.getShouldPrintProperties()) {
     config.getOutput().print(OutputStrings.getPropertyHelp());
   }
 }