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RubyKernel.java
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RubyKernel.java
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/*
***** BEGIN LICENSE BLOCK *****
* Version: EPL 2.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse Public
* License Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/epl-v20.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2001 Chad Fowler <chadfowler@chadfowler.com>
* Copyright (C) 2001 Alan Moore <alan_moore@gmx.net>
* Copyright (C) 2001-2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
* Copyright (C) 2001-2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
* Copyright (C) 2002-2006 Thomas E Enebo <enebo@acm.org>
* Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
* Copyright (C) 2004-2005 Charles O Nutter <headius@headius.com>
* Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
* Copyright (C) 2005 Kiel Hodges <jruby-devel@selfsosoft.com>
* Copyright (C) 2006 Evan Buswell <evan@heron.sytes.net>
* Copyright (C) 2006 Ola Bini <ola@ologix.com>
* Copyright (C) 2006 Michael Studman <codehaus@michaelstudman.com>
* Copyright (C) 2006 Miguel Covarrubias <mlcovarrubias@gmail.com>
* Copyright (C) 2007 Nick Sieger <nicksieger@gmail.com>
* Copyright (C) 2008 Joseph LaFata <joe@quibb.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the EPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the EPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby;
import java.io.ByteArrayOutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Map;
import jnr.constants.platform.Errno;
import jnr.posix.POSIX;
import org.jcodings.specific.USASCIIEncoding;
import org.jruby.anno.FrameField;
import org.jruby.anno.JRubyMethod;
import org.jruby.anno.JRubyModule;
import org.jruby.ast.util.ArgsUtil;
import org.jruby.common.IRubyWarnings.ID;
import org.jruby.common.RubyWarnings;
import org.jruby.exceptions.CatchThrow;
import org.jruby.exceptions.MainExitException;
import org.jruby.exceptions.RaiseException;
import org.jruby.internal.runtime.methods.DynamicMethod;
import org.jruby.internal.runtime.methods.JavaMethod.JavaMethodNBlock;
import org.jruby.ir.interpreter.Interpreter;
import org.jruby.ir.runtime.IRRuntimeHelpers;
import org.jruby.java.proxies.ConcreteJavaProxy;
import org.jruby.platform.Platform;
import org.jruby.runtime.Arity;
import org.jruby.runtime.Binding;
import org.jruby.runtime.Block;
import org.jruby.runtime.CallType;
import org.jruby.runtime.Helpers;
import org.jruby.runtime.JavaSites.KernelSites;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.Visibility;
import org.jruby.runtime.backtrace.RubyStackTraceElement;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.runtime.callsite.CacheEntry;
import org.jruby.runtime.callsite.CachingCallSite;
import org.jruby.runtime.load.LoadService;
import org.jruby.util.ArraySupport;
import org.jruby.util.ByteList;
import org.jruby.util.ConvertBytes;
import org.jruby.util.ShellLauncher;
import org.jruby.util.StringSupport;
import org.jruby.util.TypeConverter;
import org.jruby.util.cli.Options;
import org.jruby.util.func.ObjectIntIntFunction;
import org.jruby.util.io.OpenFile;
import org.jruby.util.io.PopenExecutor;
import static org.jruby.RubyEnumerator.SizeFn;
import static org.jruby.RubyEnumerator.enumeratorizeWithSize;
import static org.jruby.anno.FrameField.BACKREF;
import static org.jruby.RubyIO.checkUnsupportedOptions;
import static org.jruby.RubyIO.checkValidSpawnOptions;
import static org.jruby.RubyIO.UNSUPPORTED_SPAWN_OPTIONS;
import static org.jruby.anno.FrameField.BLOCK;
import static org.jruby.anno.FrameField.CLASS;
import static org.jruby.anno.FrameField.FILENAME;
import static org.jruby.anno.FrameField.LASTLINE;
import static org.jruby.anno.FrameField.LINE;
import static org.jruby.anno.FrameField.METHODNAME;
import static org.jruby.anno.FrameField.SCOPE;
import static org.jruby.anno.FrameField.SELF;
import static org.jruby.anno.FrameField.VISIBILITY;
import static org.jruby.ir.runtime.IRRuntimeHelpers.dupIfKeywordRestAtCallsite;
import static org.jruby.runtime.ThreadContext.hasKeywords;
import static org.jruby.runtime.Visibility.PRIVATE;
import static org.jruby.runtime.Visibility.PROTECTED;
import static org.jruby.runtime.Visibility.PUBLIC;
/**
* Note: For CVS history, see KernelModule.java.
*/
@JRubyModule(name="Kernel")
public class RubyKernel {
public static class MethodMissingMethod extends JavaMethodNBlock {
private final Visibility visibility;
private final CallType callType;
MethodMissingMethod(RubyModule implementationClass, Visibility visibility, CallType callType) {
super(implementationClass, Visibility.PRIVATE, "method_missing");
this.callType = callType;
this.visibility = visibility;
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block) {
return RubyKernel.methodMissing(context, self, name, visibility, callType, args);
}
}
public static RubyModule createKernelModule(Ruby runtime) {
RubyModule module = runtime.defineModule("Kernel");
module.defineAnnotatedMethods(RubyKernel.class);
module.setFlag(RubyModule.NEEDSIMPL_F, false); //Kernel is the only normal Module that doesn't need an implementor
runtime.setPrivateMethodMissing(new MethodMissingMethod(module, PRIVATE, CallType.NORMAL));
runtime.setProtectedMethodMissing(new MethodMissingMethod(module, PROTECTED, CallType.NORMAL));
runtime.setVariableMethodMissing(new MethodMissingMethod(module, PUBLIC, CallType.VARIABLE));
runtime.setSuperMethodMissing(new MethodMissingMethod(module, PUBLIC, CallType.SUPER));
runtime.setNormalMethodMissing(new MethodMissingMethod(module, PUBLIC, CallType.NORMAL));
if (runtime.getInstanceConfig().isAssumeLoop()) {
module.defineAnnotatedMethods(LoopMethods.class);
}
recacheBuiltinMethods(runtime, module);
return module;
}
/**
* Cache built-in versions of several core methods, to improve performance by using identity comparison (==) rather
* than going ahead with dynamic dispatch.
*
* @param runtime
*/
static void recacheBuiltinMethods(Ruby runtime, RubyModule kernelModule) {
runtime.setRespondToMethod(kernelModule.searchMethod("respond_to?"));
runtime.setRespondToMissingMethod(kernelModule.searchMethod("respond_to_missing?"));
}
@JRubyMethod(module = true, visibility = PRIVATE)
public static IRubyObject at_exit(ThreadContext context, IRubyObject recv, Block block) {
return context.runtime.pushExitBlock(context.runtime.newProc(Block.Type.PROC, block));
}
@JRubyMethod(name = "autoload?", required = 1, module = true, visibility = PRIVATE, reads = {SCOPE})
public static IRubyObject autoload_p(ThreadContext context, final IRubyObject recv, IRubyObject symbol) {
RubyModule module = IRRuntimeHelpers.getCurrentClassBase(context, recv);
if (module == null || module.isNil()) {
return context.nil;
}
return module.autoload_p(context, symbol);
}
@JRubyMethod(required = 2, module = true, visibility = PRIVATE, reads = {SCOPE})
public static IRubyObject autoload(ThreadContext context, final IRubyObject recv, IRubyObject symbol, IRubyObject file) {
RubyModule module = IRRuntimeHelpers.getCurrentClassBase(context, recv);
module = module.getRealModule();
if (module == null || module.isNil()) throw context.runtime.newTypeError("Can not set autoload on singleton class");
return module.autoload(context, symbol, file);
}
public static IRubyObject method_missing(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
Visibility lastVis = context.getLastVisibility();
CallType lastCallType = context.getLastCallType();
if (args.length == 0 || !(args[0] instanceof RubySymbol)) {
throw context.runtime.newArgumentError("no id given");
}
return methodMissingDirect(context, recv, (RubySymbol) args[0], lastVis, lastCallType, args);
}
protected static IRubyObject methodMissingDirect(ThreadContext context, IRubyObject recv, RubySymbol symbol, Visibility lastVis, CallType lastCallType, IRubyObject[] args) {
return methodMissing(context, recv, symbol.idString(), lastVis, lastCallType, args, true);
}
public static IRubyObject methodMissing(ThreadContext context, IRubyObject recv, String name, Visibility lastVis, CallType lastCallType, IRubyObject[] args) {
return methodMissing(context, recv, name, lastVis, lastCallType, args, false);
}
public static IRubyObject methodMissing(ThreadContext context, IRubyObject recv, String name, Visibility lastVis, CallType lastCallType, IRubyObject[] args, boolean dropFirst) {
Ruby runtime = context.runtime;
boolean privateCall = false;
if (lastCallType == CallType.VARIABLE || lastCallType == CallType.FUNCTIONAL) {
privateCall = true;
} else if (lastVis == PUBLIC) {
privateCall = true;
}
if (lastCallType == CallType.VARIABLE) {
throw runtime.newNameError(getMethodMissingFormat(lastVis, lastCallType), recv, name, privateCall);
}
throw runtime.newNoMethodError(getMethodMissingFormat(lastVis, lastCallType), recv, name, RubyArray.newArrayMayCopy(runtime, args, dropFirst ? 1 : 0), privateCall);
}
private static String getMethodMissingFormat(Visibility visibility, CallType callType) {
String format = "undefined method `%s' for %s%s%s";
if (visibility == PRIVATE) {
format = "private method `%s' called for %s%s%s";
} else if (visibility == PROTECTED) {
format = "protected method `%s' called for %s%s%s";
} else if (callType == CallType.VARIABLE) {
format = "undefined local variable or method `%s' for %s%s%s";
} else if (callType == CallType.SUPER) {
format = "super: no superclass method `%s' for %s%s%s";
}
return format;
}
@Deprecated
public static IRubyObject open19(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
return open(context, recv, args, block);
}
@JRubyMethod(name = "open", required = 1, optional = 3, checkArity = false, module = true, visibility = PRIVATE, keywords = true)
public static IRubyObject open(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
int argc = Arity.checkArgumentCount(context, args, 1, 4);
boolean keywords = hasKeywords(context.resetCallInfo());
Ruby runtime = context.runtime;
// symbol to_open = 0;
boolean redirect = false;
if (argc >= 1) {
// CONST_ID(to_open, "to_open");
if (args[0].respondsTo("to_open")) {
redirect = true;
} else {
IRubyObject tmp = args[0];
tmp = RubyFile.get_path(context, tmp);
if (tmp == context.nil) {
redirect = true;
} else {
IRubyObject cmd = PopenExecutor.checkPipeCommand(context, tmp);
if (cmd != context.nil) {
if (PopenExecutor.nativePopenAvailable(runtime)) {
args[0] = cmd;
return PopenExecutor.popen(context, args, runtime.getIO(), block);
} else {
throw runtime.newArgumentError("pipe open is not supported without native subprocess logic");
}
}
}
}
}
if (redirect) {
if (keywords) context.callInfo = ThreadContext.CALL_KEYWORD;
IRubyObject io = args[0].callMethod(context, "to_open", Arrays.copyOfRange(args, 1, args.length));
RubyIO.ensureYieldClose(context, io, block);
return io;
}
return RubyIO.open(context, runtime.getFile(), args, block);
}
@JRubyMethod(module = true, visibility = PRIVATE)
public static IRubyObject getc(ThreadContext context, IRubyObject recv) {
context.runtime.getWarnings().warn(ID.DEPRECATED_METHOD, "getc is obsolete; use STDIN.getc instead");
IRubyObject defin = context.runtime.getGlobalVariables().get("$stdin");
return sites(context).getc.call(context, defin, defin);
}
// MRI: rb_f_gets
@JRubyMethod(optional = 1, checkArity = false, module = true, visibility = PRIVATE)
public static IRubyObject gets(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
Ruby runtime = context.runtime;
IRubyObject argsFile = runtime.getArgsFile();
if (recv == argsFile) {
return RubyArgsFile.gets(context, argsFile, args);
}
return sites(context).gets.call(context, argsFile, argsFile, args);
}
@JRubyMethod(optional = 1, checkArity = false, module = true, visibility = PRIVATE)
public static IRubyObject abort(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
int argc = Arity.checkArgumentCount(context, args, 0, 1);
Ruby runtime = context.runtime;
RubyString message = null;
if(argc == 1) {
message = args[0].convertToString();
IRubyObject stderr = runtime.getGlobalVariables().get("$stderr");
sites(context).puts.call(context, stderr, stderr, message);
}
exit(runtime, new IRubyObject[] { runtime.getFalse(), message }, false);
return runtime.getNil(); // not reached
}
// MRI: rb_f_array
@JRubyMethod(name = "Array", required = 1, module = true, visibility = PRIVATE)
public static IRubyObject new_array(ThreadContext context, IRubyObject recv, IRubyObject object) {
return TypeConverter.rb_Array(context, object);
}
@JRubyMethod(name = "Complex", module = true, visibility = PRIVATE)
public static IRubyObject new_complex(ThreadContext context, IRubyObject recv) {
RubyClass complex = context.runtime.getComplex();
return sites(context).convert_complex.call(context, complex, complex);
}
@JRubyMethod(name = "Complex", module = true, visibility = PRIVATE)
public static IRubyObject new_complex(ThreadContext context, IRubyObject recv, IRubyObject arg0) {
RubyClass complex = context.runtime.getComplex();
return sites(context).convert_complex.call(context, complex, complex, arg0);
}
@JRubyMethod(name = "Complex", module = true, visibility = PRIVATE)
public static IRubyObject new_complex(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1) {
RubyClass complex = context.runtime.getComplex();
return sites(context).convert_complex.call(context, complex, complex, arg0, arg1);
}
@JRubyMethod(name = "Complex", module = true, visibility = PRIVATE)
public static IRubyObject new_complex(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2) {
RubyClass complex = context.runtime.getComplex();
return sites(context).convert_complex.call(context, complex, complex, arg0, arg1, arg2);
}
@JRubyMethod(name = "Rational", module = true, visibility = PRIVATE)
public static IRubyObject new_rational(ThreadContext context, IRubyObject recv, IRubyObject arg0) {
RubyClass rational = context.runtime.getRational();
return sites(context).convert_rational.call(context, rational, rational, arg0);
}
@JRubyMethod(name = "Rational", module = true, visibility = PRIVATE)
public static IRubyObject new_rational(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1) {
RubyClass rational = context.runtime.getRational();
return sites(context).convert_rational.call(context, rational, rational, arg0, arg1);
}
@JRubyMethod(name = "Rational", module = true, visibility = PRIVATE)
public static IRubyObject new_rational(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2) {
RubyClass rational = context.runtime.getRational();
return sites(context).convert_rational.call(context, rational, rational, arg0, arg1, arg2);
}
@JRubyMethod(name = "Float", module = true, visibility = PRIVATE)
public static IRubyObject new_float(ThreadContext context, IRubyObject recv, IRubyObject object) {
return new_float(context, object, true);
}
@JRubyMethod(name = "Float", module = true, visibility = PRIVATE)
public static IRubyObject new_float(ThreadContext context, IRubyObject recv, IRubyObject object, IRubyObject opts) {
boolean exception = checkExceptionOpt(context, context.runtime.getFloat(), opts);
return new_float(context, object, exception);
}
private static boolean checkExceptionOpt(ThreadContext context, RubyClass rubyClass, IRubyObject opts) {
boolean exception = true;
IRubyObject maybeOpts = ArgsUtil.getOptionsArg(context.runtime, opts, false);
if (!maybeOpts.isNil()) {
IRubyObject exObj = ArgsUtil.extractKeywordArg(context, opts, "exception");
if (exObj != context.tru && exObj != context.fals) {
throw context.runtime.newArgumentError("`" + rubyClass.getName() + "': expected true or false as exception: " + exObj);
}
exception = exObj.isTrue();
}
return exception;
}
public static RubyFloat new_float(IRubyObject recv, IRubyObject object) {
return (RubyFloat) new_float(recv.getRuntime().getCurrentContext(), object, true);
}
private static final ByteList ZEROx = new ByteList(new byte[] { '0','x' }, false);
public static RubyFloat new_float(final Ruby runtime, IRubyObject object) {
return (RubyFloat) new_float(runtime.getCurrentContext(), object, true);
}
public static IRubyObject new_float(ThreadContext context, IRubyObject object, boolean exception) {
Ruby runtime = context.runtime;
if (object instanceof RubyInteger){
return new_float(runtime, (RubyInteger) object);
}
if (object instanceof RubyFloat) {
return object;
}
if (object instanceof RubyString) {
RubyString str = (RubyString) object;
ByteList bytes = str.getByteList();
if (bytes.getRealSize() == 0){ // rb_cstr_to_dbl case
if (!exception) return runtime.getNil();
throw runtime.newArgumentError("invalid value for Float(): " + object.inspect());
}
if (bytes.startsWith(ZEROx)) { // startsWith("0x")
IRubyObject inum = ConvertBytes.byteListToInum(runtime, bytes, 16, true, exception);
if (!exception && inum.isNil()) return inum;
return ((RubyInteger) inum).toFloat();
}
return RubyNumeric.str2fnum(runtime, str, true, exception);
}
if (object.isNil()){
if (!exception) return object;
throw runtime.newTypeError("can't convert nil into Float");
}
try {
IRubyObject flote = TypeConverter.convertToType(context, object, runtime.getFloat(), sites(context).to_f_checked, false);
if (flote instanceof RubyFloat) return flote;
} catch (RaiseException re) {
if (exception) throw re;
}
if (!exception) return runtime.getNil();
return TypeConverter.handleUncoercibleObject(runtime, object, runtime.getFloat(), true);
}
static RubyFloat new_float(final Ruby runtime, RubyInteger num) {
if (num instanceof RubyBignum) {
return RubyFloat.newFloat(runtime, RubyBignum.big2dbl((RubyBignum) num));
}
return RubyFloat.newFloat(runtime, num.getDoubleValue());
}
@JRubyMethod(name = "Hash", required = 1, module = true, visibility = PRIVATE)
public static IRubyObject new_hash(ThreadContext context, IRubyObject recv, IRubyObject arg) {
IRubyObject tmp;
Ruby runtime = context.runtime;
if (arg == context.nil) return RubyHash.newHash(runtime);
tmp = TypeConverter.checkHashType(context, sites(context).to_hash_checked, arg);
if (tmp == context.nil) {
if (arg instanceof RubyArray && ((RubyArray) arg).isEmpty()) {
return RubyHash.newHash(runtime);
}
throw runtime.newTypeError("can't convert " + arg.getMetaClass() + " into Hash");
}
return tmp;
}
@JRubyMethod(name = "Integer", module = true, visibility = PRIVATE)
public static IRubyObject new_integer(ThreadContext context, IRubyObject recv, IRubyObject object) {
return TypeConverter.convertToInteger(context, object, 0, true);
}
@JRubyMethod(name = "Integer", module = true, visibility = PRIVATE)
public static IRubyObject new_integer(ThreadContext context, IRubyObject recv, IRubyObject object, IRubyObject baseOrOpts) {
IRubyObject maybeOpts = ArgsUtil.getOptionsArg(context.runtime, baseOrOpts, false);
if (maybeOpts.isNil()) {
return TypeConverter.convertToInteger(context, object, baseOrOpts.convertToInteger().getIntValue(), true);
}
boolean exception = checkExceptionOpt(context, context.runtime.getInteger(), maybeOpts);
return TypeConverter.convertToInteger(
context,
object,
0,
exception);
}
@JRubyMethod(name = "Integer", module = true, visibility = PRIVATE)
public static IRubyObject new_integer(ThreadContext context, IRubyObject recv, IRubyObject object, IRubyObject base, IRubyObject opts) {
boolean exception = checkExceptionOpt(context, context.runtime.getInteger(), opts);
IRubyObject baseInteger = TypeConverter.convertToInteger(context, base, 0, exception);
if (baseInteger.isNil()) return baseInteger;
return TypeConverter.convertToInteger(
context,
object,
((RubyInteger) baseInteger).getIntValue(),
exception);
}
@JRubyMethod(name = "String", required = 1, module = true, visibility = PRIVATE)
public static IRubyObject new_string(ThreadContext context, IRubyObject recv, IRubyObject object) {
Ruby runtime = context.runtime;
KernelSites sites = sites(context);
IRubyObject tmp = TypeConverter.checkStringType(context, sites.to_str_checked, object, runtime.getString());
if (tmp == context.nil) {
tmp = TypeConverter.convertToType(context, object, runtime.getString(), sites(context).to_s_checked);
}
return tmp;
}
@Deprecated
public static IRubyObject new_string19(ThreadContext context, IRubyObject recv, IRubyObject object) {
return new_string(context, recv, object);
}
// MRI: rb_f_p
@JRubyMethod(rest = true, module = true, visibility = PRIVATE)
public static IRubyObject p(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
return RubyThread.uninterruptible(context, args, RubyKernel::pBody);
}
private static IRubyObject pBody(ThreadContext context, IRubyObject[] args) {
Ruby runtime = context.runtime;
int argc = args.length;
int i;
IRubyObject ret = context.nil;
IRubyObject defout = runtime.getGlobalVariables().get("$>");
IRubyObject defaultRS = context.runtime.getGlobalVariables().getDefaultSeparator();
boolean defoutWriteBuiltin = defout instanceof RubyIO &&
defout.getMetaClass().isMethodBuiltin("write");
for (i=0; i<argc; i++) {
// pulled out as rb_p in MRI
// rb_p(argv[i]);
IRubyObject obj = args[i];
IRubyObject str = RubyBasicObject.rbInspect(context, obj);
if (defoutWriteBuiltin) {
((RubyIO)defout).write(context, str, true);
((RubyIO)defout).write(context, defaultRS, true);
}
else {
RubyIO.write(context, defout, str);
RubyIO.write(context, defout, defaultRS);
}
}
if (argc == 1) {
ret = args[0];
}
else if (argc > 1) {
ret = RubyArray.newArray(runtime, args);
}
if (defout instanceof RubyIO) {
((RubyIO)defout).flush(context);
}
return ret;
}
@JRubyMethod(required = 1, module = true)
public static IRubyObject public_method(ThreadContext context, IRubyObject recv, IRubyObject symbol) {
return recv.getMetaClass().newMethod(recv, symbol.asJavaString(), true, PUBLIC, true, false);
}
/** rb_f_putc
*/
@JRubyMethod(required = 1, module = true, visibility = PRIVATE)
public static IRubyObject putc(ThreadContext context, IRubyObject recv, IRubyObject ch) {
IRubyObject defout = context.runtime.getGlobalVariables().get("$>");
if (recv == defout) {
return RubyIO.putc(context, recv, ch);
}
return sites(context).putc.call(context, defout, defout, ch);
}
@JRubyMethod(module = true, visibility = PRIVATE)
public static IRubyObject puts(ThreadContext context, IRubyObject recv) {
IRubyObject defout = context.runtime.getGlobalVariables().get("$>");
if (recv == defout) {
return RubyIO.puts0(context, recv);
}
return sites(context).puts.call(context, defout, defout);
}
@JRubyMethod(module = true, visibility = PRIVATE)
public static IRubyObject puts(ThreadContext context, IRubyObject recv, IRubyObject arg0) {
IRubyObject defout = context.runtime.getGlobalVariables().get("$>");
if (recv == defout) {
return RubyIO.puts1(context, recv, arg0);
}
return sites(context).puts.call(context, defout, defout, arg0);
}
@JRubyMethod(module = true, visibility = PRIVATE)
public static IRubyObject puts(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1) {
IRubyObject defout = context.runtime.getGlobalVariables().get("$>");
if (recv == defout) {
return RubyIO.puts2(context, recv, arg0, arg1);
}
return sites(context).puts.call(context, defout, defout, arg0, arg1);
}
@JRubyMethod(module = true, visibility = PRIVATE)
public static IRubyObject puts(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2) {
IRubyObject defout = context.runtime.getGlobalVariables().get("$>");
if (recv == defout) {
return RubyIO.puts3(context, recv, arg0, arg1, arg2);
}
return sites(context).puts.call(context, defout, defout, arg0, arg1, arg2);
}
@JRubyMethod(rest = true, module = true, visibility = PRIVATE)
public static IRubyObject puts(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
IRubyObject defout = context.runtime.getGlobalVariables().get("$>");
if (recv == defout) {
return RubyIO.puts(context, recv, args);
}
return sites(context).puts.call(context, defout, defout, args);
}
// rb_f_print
@JRubyMethod(rest = true, module = true, visibility = PRIVATE, reads = LASTLINE)
public static IRubyObject print(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
RubyIO.print(context, context.runtime.getGlobalVariables().get("$>"), args);
return context.nil;
}
// rb_f_printf
@JRubyMethod(rest = true, module = true, visibility = PRIVATE)
public static IRubyObject printf(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
if (args.length == 0) return context.nil;
final IRubyObject out;
if (args[0] instanceof RubyString) {
out = context.runtime.getGlobalVariables().get("$>");
}
else {
out = args[0];
args = Arrays.copyOfRange(args, 1, args.length);
}
RubyIO.write(context, out, sprintf(context, recv, args));
return context.nil;
}
@JRubyMethod(optional = 1, checkArity = false, module = true, visibility = PRIVATE)
public static IRubyObject readline(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
IRubyObject line = gets(context, recv, args);
if (line.isNil()) {
throw context.runtime.newEOFError();
}
return line;
}
@JRubyMethod(optional = 1, checkArity = false, module = true, visibility = PRIVATE)
public static IRubyObject readlines(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
return RubyArgsFile.readlines(context, context.runtime.getArgsFile(), args);
}
@JRubyMethod(name = "respond_to_missing?", visibility = PRIVATE)
public static IRubyObject respond_to_missing_p(ThreadContext context, IRubyObject recv, IRubyObject symbol) {
return context.fals;
}
@JRubyMethod(name = "respond_to_missing?", visibility = PRIVATE)
public static IRubyObject respond_to_missing_p(ThreadContext context, IRubyObject recv, IRubyObject symbol, IRubyObject isPrivate) {
return context.fals;
}
/** Returns value of $_.
*
* @throws RaiseException TypeError if $_ is not a String or nil.
* @return value of $_ as String.
*/
private static RubyString getLastlineString(ThreadContext context, Ruby runtime) {
IRubyObject line = context.getLastLine();
if (line.isNil()) {
throw runtime.newTypeError("$_ value need to be String (nil given).");
} else if (!(line instanceof RubyString)) {
throw runtime.newTypeError("$_ value need to be String (" + line.getMetaClass().getName() + " given).");
} else {
return (RubyString) line;
}
}
@JRubyMethod(required = 1, optional = 3, checkArity = false, module = true, visibility = PRIVATE)
public static IRubyObject select(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
return RubyIO.select(context, recv, args);
}
@JRubyMethod(optional = 1, checkArity = false, module = true, visibility = PRIVATE)
public static IRubyObject sleep(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
int argc = Arity.checkArgumentCount(context, args, 0, 1);
long milliseconds;
if (argc == 0) {
// Zero sleeps forever
milliseconds = 0;
}
else {
milliseconds = (long) ( RubyTime.convertTimeInterval(context, args[0]) * 1000 );
// Explicit zero in MRI returns immediately
if ( milliseconds == 0 ) return context.runtime.newFixnum(0);
}
final long startTime = System.currentTimeMillis();
final RubyThread rubyThread = context.getThread();
boolean interrupted = false;
try {
// Spurious wakeup-loop
do {
long loopStartTime = System.currentTimeMillis();
if (!rubyThread.sleep(milliseconds)) break;
milliseconds -= (System.currentTimeMillis() - loopStartTime);
} while (milliseconds > 0);
} catch (InterruptedException ie) {
// ignore; sleep gets interrupted
interrupted = true;
} finally {
if (interrupted) {
Thread.currentThread().interrupt();
}
}
return context.runtime.newFixnum(Math.round((System.currentTimeMillis() - startTime) / 1000.0));
}
// FIXME: Add at_exit and finalizers to exit, then make exit_bang not call those.
@JRubyMethod(optional = 1, module = true, visibility = PRIVATE)
public static IRubyObject exit(IRubyObject recv, IRubyObject[] args) {
Ruby runtime = recv.getRuntime();
Arity.checkArgumentCount(runtime, args, 0, 1);
exit(runtime, args, false);
return runtime.getNil(); // not reached
}
@JRubyMethod(name = "exit!", optional = 1, checkArity = false, module = true, visibility = PRIVATE)
public static IRubyObject exit_bang(IRubyObject recv, IRubyObject[] args) {
Ruby runtime = recv.getRuntime();
Arity.checkArgumentCount(runtime, args, 0, 1);
exit(runtime, args, true);
return runtime.getNil(); // not reached
}
private static void exit(Ruby runtime, IRubyObject[] args, boolean hard) {
int status = hard ? 1 : 0;
String message = null;
if (args.length > 0) {
RubyObject argument = (RubyObject) args[0];
if (argument instanceof RubyBoolean) {
status = argument.isFalse() ? 1 : 0;
} else {
status = RubyNumeric.fix2int(argument);
}
}
if (args.length == 2) {
if (args[1] instanceof RubyString) {
message = ((RubyString) args[1]).toString();
}
}
if (hard) {
if (runtime.getInstanceConfig().isHardExit()) {
System.exit(status);
} else {
throw new MainExitException(status, true);
}
} else {
if (message == null) {
throw runtime.newSystemExit(status);
} else {
throw runtime.newSystemExit(status, message);
}
}
}
/**
* @param context
* @param recv
* @return an Array with the names of all global variables.
*/
@JRubyMethod(name = "global_variables", module = true, visibility = PRIVATE)
public static RubyArray global_variables(ThreadContext context, IRubyObject recv) {
Ruby runtime = context.runtime;
RubyArray globalVariables = runtime.newArray();
for (String globalVariableName : runtime.getGlobalVariables().getNames()) {
globalVariables.append(runtime.newSymbol(globalVariableName));
}
return globalVariables;
}
@Deprecated
public static RubyArray global_variables19(ThreadContext context, IRubyObject recv) {
return global_variables(context, recv);
}
/**
* @param context
* @param recv
* @return an Array with the names of all local variables.
*/
@JRubyMethod(name = "local_variables", module = true, visibility = PRIVATE, reads = SCOPE)
public static RubyArray local_variables(ThreadContext context, IRubyObject recv) {
return context.getCurrentStaticScope().getLocalVariables(context.runtime);
}
@Deprecated
public static RubyArray local_variables19(ThreadContext context, IRubyObject recv) {
return local_variables(context, recv);
}
@JRubyMethod(name = "binding", module = true, visibility = PRIVATE,
reads = {LASTLINE, BACKREF, VISIBILITY, BLOCK, SELF, METHODNAME, LINE, CLASS, FILENAME, SCOPE},
writes = {LASTLINE, BACKREF, VISIBILITY, BLOCK, SELF, METHODNAME, LINE, CLASS, FILENAME, SCOPE})
public static RubyBinding binding(ThreadContext context, IRubyObject recv, Block block) {
return RubyBinding.newBinding(context.runtime, context.currentBinding());
}
@Deprecated
public static RubyBinding binding19(ThreadContext context, IRubyObject recv, Block block) {
return binding(context, recv, block);
}
@JRubyMethod(name = {"block_given?", "iterator?"}, module = true, visibility = PRIVATE, reads = BLOCK)
public static RubyBoolean block_given_p(ThreadContext context, IRubyObject recv) {
return RubyBoolean.newBoolean(context, context.getCurrentFrame().getBlock().isGiven());
}
@JRubyMethod(name = {"sprintf", "format"}, required = 1, rest = true, checkArity = false, module = true, visibility = PRIVATE)
public static IRubyObject sprintf(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
if (args.length == 0) {
throw context.runtime.newArgumentError("sprintf must have at least one argument");
}
RubyString str = RubyString.stringValue(args[0]);
IRubyObject arg;
if (args.length == 2 && args[1] instanceof RubyHash) {
arg = args[1];
} else {
RubyArray newArgs = RubyArray.newArrayMayCopy(context.runtime, args);
newArgs.shift(context);
arg = newArgs;
}
return str.op_format(context, arg);
}
@Deprecated
public static IRubyObject sprintf(IRubyObject recv, IRubyObject[] args) {
return sprintf(recv.getRuntime().getCurrentContext(), recv, args);
}
public static IRubyObject raise(ThreadContext context, IRubyObject self, IRubyObject arg0) {
final Ruby runtime = context.runtime;
// semi extract_raise_opts :
IRubyObject cause;
if (arg0 instanceof RubyHash) {
RubyHash opt = (RubyHash) arg0;
RubySymbol key;
if (!opt.isEmpty() && (opt.has_key_p(context, runtime.newSymbol("cause")) == runtime.getTrue())) {
throw runtime.newArgumentError("only cause is given with no arguments");
}
}
cause = context.getErrorInfo(); // returns nil for no error-info
maybeRaiseJavaException(runtime, arg0);
RaiseException raise;
if (arg0 instanceof RubyString) {
raise = ((RubyException) runtime.getRuntimeError().newInstance(context, arg0)).toThrowable();
} else {
raise = convertToException(context, arg0, null).toThrowable();
}
if (runtime.isDebug()) {
printExceptionSummary(runtime, raise.getException());
}
if (raise.getException().getCause() == null && cause != raise.getException()) {
raise.getException().setCause(cause);
}
throw raise;
}
@JRubyMethod(name = {"raise", "fail"}, optional = 3, checkArity = false, module = true, visibility = PRIVATE, omit = true)
public static IRubyObject raise(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
int argc = Arity.checkArgumentCount(context, args, 0, 3);
final Ruby runtime = context.runtime;
boolean forceCause = false;
// semi extract_raise_opts :
IRubyObject cause = null;
if (argc > 0) {
IRubyObject last = args[argc - 1];
if (last instanceof RubyHash) {
RubyHash opt = (RubyHash) last;
RubySymbol key;
if (!opt.isEmpty() && (opt.has_key_p(context, key = runtime.newSymbol("cause")) == runtime.getTrue())) {
cause = opt.delete(context, key, Block.NULL_BLOCK);
forceCause = true;
if (opt.isEmpty() && --argc == 0) { // more opts will be passed along
throw runtime.newArgumentError("only cause is given with no arguments");
}
}
}
}
if ( argc > 0 ) { // for argc == 0 we will be raising $!
// NOTE: getErrorInfo needs to happen before new RaiseException(...)
if ( cause == null ) cause = context.getErrorInfo(); // returns nil for no error-info
}
maybeRaiseJavaException(runtime, args, argc);
RaiseException raise;
switch (argc) {
case 0:
IRubyObject lastException = runtime.getGlobalVariables().get("$!");
if (lastException.isNil()) {
raise = RaiseException.from(runtime, runtime.getRuntimeError(), "");
} else {
// non RubyException value is allowed to be assigned as $!.
raise = ((RubyException) lastException).toThrowable();
}
break;
case 1:
if (args[0] instanceof RubyString) {
raise = ((RubyException) runtime.getRuntimeError().newInstance(context, args, block)).toThrowable();
} else {
raise = convertToException(context, args[0], null).toThrowable();
}
break;
case 2:
raise = convertToException(context, args[0], args[1]).toThrowable();
break;
default:
RubyException exception = convertToException(context, args[0], args[1]);
exception.setBacktrace(args[2]);
raise = exception.toThrowable();
break;
}
if (runtime.isDebug()) {
printExceptionSummary(runtime, raise.getException());
}
if (forceCause || argc > 0 && raise.getException().getCause() == null && cause != raise.getException()) {
raise.getException().setCause(cause);
}
throw raise;
}
private static void maybeRaiseJavaException(final Ruby runtime,
final IRubyObject[] args, final int argc) {