public IRubyObject getValue() {
return pid != null ? pid : (pid = runtime.newFixnum(runtime.getPosix().getpid()));
}
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("$LAST_PAREN_MATCH", "$+");
}