@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();
}
}
}
private static IRubyObject callCmpMethod(
ThreadContext context, IRubyObject recv, IRubyObject other, IRubyObject returnValueOnError) {
Ruby runtime = context.runtime;
if (recv == other) return runtime.getTrue();
try {
IRubyObject result = invokedynamic(context, recv, OP_CMP, other);
// This is only to prevent throwing exceptions by cmperr - it has poor performance
if (result.isNil()) {
return returnValueOnError;
}
return RubyBoolean.newBoolean(runtime, cmpint(context, result, recv, other) == 0);
} catch (RaiseException e) {
if (e.getException().kind_of_p(context, runtime.getStandardError()).isTrue()) {
// clear error info resulting from failure to compare (JRUBY-3292)
context.setErrorInfo(runtime.getNil());
return returnValueOnError;
} else {
throw e;
}
}
}
@JRubyMethod(name = "even?")
public RubyBoolean even_p(ThreadContext context) {
Ruby runtime = context.getRuntime();
if (callMethod(context, "%", RubyFixnum.two(runtime)) == RubyFixnum.zero(runtime)) {
return runtime.getTrue();
}
return runtime.getFalse();
}
@JRubyMethod(name = "odd?")
public RubyBoolean odd_p(ThreadContext context) {
Ruby runtime = context.runtime;
if (callMethod(context, "%", RubyFixnum.two(runtime)) != RubyFixnum.zero(runtime)) {
return runtime.getTrue();
}
return runtime.getFalse();
}
@JRubyMethod(
name = {"include?", "member?"},
frame = true,
compat = CompatVersion.RUBY1_9)
public IRubyObject include_p19(ThreadContext context, IRubyObject obj) {
Ruby runtime = context.getRuntime();
if (begin instanceof RubyNumeric
|| end instanceof RubyNumeric
|| !TypeConverter.convertToTypeWithCheck(begin, runtime.getInteger(), "to_int").isNil()
|| !TypeConverter.convertToTypeWithCheck(end, runtime.getInteger(), "to_int").isNil()) {
if (rangeLe(context, begin, obj) != null) {
if (isExclusive) {
if (rangeLt(context, obj, end) != null) return runtime.getTrue();
} else {
if (rangeLe(context, obj, end) != null) return runtime.getTrue();
}
}
return runtime.getFalse();
} else if (begin instanceof RubyString
&& end instanceof RubyString
&& ((RubyString) begin).getByteList().realSize == 1
&& ((RubyString) end).getByteList().realSize == 1) {
if (obj.isNil()) return runtime.getFalse();
if (obj instanceof RubyString) {
ByteList Vbytes = ((RubyString) obj).getByteList();
if (Vbytes.realSize != 1) return runtime.getFalse();
int v = Vbytes.bytes[Vbytes.begin] & 0xff;
ByteList Bbytes = ((RubyString) begin).getByteList();
int b = Bbytes.bytes[Bbytes.begin] & 0xff;
ByteList Ebytes = ((RubyString) end).getByteList();
int e = Ebytes.bytes[Ebytes.begin] & 0xff;
if (Encoding.isAscii(v) && Encoding.isAscii(b) && Encoding.isAscii(e)) {
if ((b <= v && v < e) || (!isExclusive && v == e)) return runtime.getTrue();
return runtime.getFalse();
}
}
}
return RuntimeHelpers.invokeSuper(context, this, obj, Block.NULL_BLOCK);
}
public void marshalTo(Ruby runtime, Object obj, RubyClass type, MarshalStream marshalStream)
throws IOException {
RubyRange range = (RubyRange) obj;
marshalStream.registerLinkTarget(range);
List<Variable<IRubyObject>> attrs = range.getVariableList();
attrs.add(new VariableEntry<IRubyObject>("begin", range.begin));
attrs.add(new VariableEntry<IRubyObject>("end", range.end));
attrs.add(
new VariableEntry<IRubyObject>(
"excl", range.isExclusive ? runtime.getTrue() : runtime.getFalse()));
marshalStream.dumpVariables(attrs);
}
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, $< object
RubyArgsFile.initArgsFile(runtime);
}
public static RubyBoolean newBoolean(Ruby runtime, boolean value) {
return value ? runtime.getTrue() : runtime.getFalse();
}
/**
* Returns the status of the global ``abort on exception'' condition. The default is false. When
* set to true, will cause all threads to abort (the process will exit(0)) if an exception is
* raised in any thread. See also Thread.abort_on_exception= .
*/
@JRubyMethod(name = "abort_on_exception", meta = true)
public static RubyBoolean abort_on_exception_x(IRubyObject recv) {
Ruby runtime = recv.getRuntime();
return runtime.isGlobalAbortOnExceptionEnabled() ? runtime.getTrue() : runtime.getFalse();
}
public static void createGlobals(ThreadContext context, Ruby runtime) {
GlobalVariables globals = runtime.getGlobalVariables();
runtime.defineGlobalConstant("TOPLEVEL_BINDING", runtime.newBinding());
runtime.defineGlobalConstant("TRUE", runtime.getTrue());
runtime.defineGlobalConstant("FALSE", runtime.getFalse());
runtime.defineGlobalConstant("NIL", runtime.getNil());
initARGV(runtime);
IAccessor d =
new ValueAccessor(runtime.newString(runtime.getInstanceConfig().displayedFileName()));
globals.define("$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("$LAST_PAREN_MATCH", "$+");
}
