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/*
***** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (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/cpl-v10.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 CPL, 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 CPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby;
import java.io.ByteArrayOutputStream;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Random;
import static org.jruby.RubyEnumerator.enumeratorize;
import static 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.evaluator.ASTInterpreter;
import org.jruby.exceptions.MainExitException;
import org.jruby.exceptions.RaiseException;
import org.jruby.internal.runtime.methods.CallConfiguration;
import org.jruby.internal.runtime.methods.JavaMethod.JavaMethodNBlock;
import org.jruby.javasupport.util.RuntimeHelpers;
import org.jruby.platform.Platform;
import org.jruby.runtime.Binding;
import org.jruby.runtime.Block;
import org.jruby.runtime.CallType;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.Visibility;
import org.jruby.runtime.backtrace.RubyStackTraceElement;
import static org.jruby.runtime.Visibility.*;
import static org.jruby.CompatVersion.*;
import org.jruby.runtime.builtin.IRubyObject;
import org.jruby.runtime.load.IAutoloadMethod;
import org.jruby.util.ConvertBytes;
import org.jruby.util.IdUtil;
import org.jruby.util.ShellLauncher;
import org.jruby.util.TypeConverter;
/**
* Note: For CVS history, see KernelModule.java.
*/
@JRubyModule(name="Kernel")
public class RubyKernel {
public final static Class<?> IRUBY_OBJECT = IRubyObject.class;
public static abstract class MethodMissingMethod extends JavaMethodNBlock {
public MethodMissingMethod(RubyModule implementationClass) {
super(implementationClass, Visibility.PRIVATE, CallConfiguration.FrameFullScopeNone);
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block) {
try {
preFrameOnly(context, self, name, block);
return methodMissing(context, self, clazz, name, args, block);
} finally {
postFrameOnly(context);
}
}
public abstract IRubyObject methodMissing(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block);
}
public static RubyModule createKernelModule(Ruby runtime) {
RubyModule module = runtime.defineModule("Kernel");
runtime.setKernel(module);
module.defineAnnotatedMethods(RubyKernel.class);
runtime.setRespondToMethod(module.searchMethod("respond_to?"));
module.setFlag(RubyObject.USER7_F, false); //Kernel is the only Module that doesn't need an implementor
runtime.setPrivateMethodMissing(new MethodMissingMethod(module) {
@Override
public IRubyObject methodMissing(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block) {
return RubyKernel.methodMissing(context, self, name, PRIVATE, CallType.NORMAL, args, block);
}
});
runtime.setProtectedMethodMissing(new MethodMissingMethod(module) {
@Override
public IRubyObject methodMissing(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block) {
return RubyKernel.methodMissing(context, self, name, PROTECTED, CallType.NORMAL, args, block);
}
});
runtime.setVariableMethodMissing(new MethodMissingMethod(module) {
@Override
public IRubyObject methodMissing(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block) {
return RubyKernel.methodMissing(context, self, name, PUBLIC, CallType.VARIABLE, args, block);
}
});
runtime.setSuperMethodMissing(new MethodMissingMethod(module) {
@Override
public IRubyObject methodMissing(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block) {
return RubyKernel.methodMissing(context, self, name, PUBLIC, CallType.SUPER, args, block);
}
});
runtime.setNormalMethodMissing(new MethodMissingMethod(module) {
@Override
public IRubyObject methodMissing(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block) {
return RubyKernel.methodMissing(context, self, name, PUBLIC, CallType.NORMAL, args, block);
}
});
if (!runtime.is1_9()) { // method_missing is in BasicObject in 1.9
runtime.setDefaultMethodMissing(module.searchMethod("method_missing"));
}
return module;
}
@JRubyMethod(module = true, visibility = PRIVATE)
public static IRubyObject at_exit(ThreadContext context, IRubyObject recv, Block block) {
return context.getRuntime().pushExitBlock(context.getRuntime().newProc(Block.Type.PROC, block));
}
@JRubyMethod(name = "autoload?", required = 1, module = true, visibility = PRIVATE)
public static IRubyObject autoload_p(ThreadContext context, final IRubyObject recv, IRubyObject symbol) {
Ruby runtime = context.getRuntime();
final RubyModule module = getModuleForAutoload(runtime, recv);
String name = symbol.asJavaString();
String file = module.getAutoloadFile(name);
return (file == null) ? runtime.getNil() : runtime.newString(file);
}
@JRubyMethod(required = 2, module = true, visibility = PRIVATE)
public static IRubyObject autoload(final IRubyObject recv, IRubyObject symbol, final IRubyObject file) {
Ruby runtime = recv.getRuntime();
String nonInternedName = symbol.asJavaString();
if (!IdUtil.isValidConstantName(nonInternedName)) {
throw runtime.newNameError("autoload must be constant name", nonInternedName);
}
if (!runtime.is1_9() && !(file instanceof RubyString)) throw runtime.newTypeError(file, runtime.getString());
RubyString fileString = RubyFile.get_path(runtime.getCurrentContext(), file);
if (fileString.isEmpty()) throw runtime.newArgumentError("empty file name");
final String baseName = symbol.asJavaString().intern(); // interned, OK for "fast" methods
final RubyModule module = getModuleForAutoload(runtime, recv);
IRubyObject existingValue = module.fastFetchConstant(baseName);
if (existingValue != null && existingValue != RubyObject.UNDEF) return runtime.getNil();
module.defineAutoload(baseName, new IAutoloadMethod() {
public String file() {
return file.toString();
}
public void load(Ruby runtime) {
runtime.getLoadService().lockAndRequire(file());
// From jruby 1.7 it calls finishAutoload if the above require
// was NOT a cyclic autoload. But since there's no cyclic
// detection in jruby-1_6, when lockAndRequire returns from
// LoadService it means that autoload is finished. So it's safe
// to call finishAutoload here.
module.finishAutoload(baseName);
}
});
return runtime.getNil();
}
private static RubyModule getModuleForAutoload(Ruby runtime, IRubyObject recv) {
RubyModule module = recv instanceof RubyModule ? (RubyModule) recv : recv.getMetaClass().getRealClass();
if (module == runtime.getKernel()) {
// special behavior if calling Kernel.autoload directly
if (runtime.is1_9()) {
module = runtime.getObject().getSingletonClass();
} else {
module = runtime.getObject();
}
}
return module;
}
@JRubyMethod(rest = true, frame = true, visibility = PRIVATE, compat = RUBY1_8)
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.getRuntime().newArgumentError("no id given");
return methodMissingDirect(context, recv, (RubySymbol)args[0], lastVis, lastCallType, args, block);
}
protected static IRubyObject methodMissingDirect(ThreadContext context, IRubyObject recv, RubySymbol symbol, Visibility lastVis, CallType lastCallType, IRubyObject[] args, Block block) {
Ruby runtime = context.getRuntime();
// create a lightweight thunk
IRubyObject msg = new RubyNameError.RubyNameErrorMessage(runtime,
recv,
symbol,
lastVis,
lastCallType);
final IRubyObject[]exArgs;
final RubyClass exc;
if (lastCallType != CallType.VARIABLE) {
exc = runtime.getNoMethodError();
exArgs = new IRubyObject[]{msg, symbol, RubyArray.newArrayNoCopy(runtime, args, 1)};
} else {
exc = runtime.getNameError();
exArgs = new IRubyObject[]{msg, symbol};
}
throw new RaiseException((RubyException)exc.newInstance(context, exArgs, Block.NULL_BLOCK));
}
private static IRubyObject methodMissing(ThreadContext context, IRubyObject recv, String name, Visibility lastVis, CallType lastCallType, IRubyObject[] args, Block block) {
Ruby runtime = context.getRuntime();
// TODO: pass this in?
RubySymbol symbol = runtime.newSymbol(name);
// create a lightweight thunk
IRubyObject msg = new RubyNameError.RubyNameErrorMessage(runtime,
recv,
symbol,
lastVis,
lastCallType);
final IRubyObject[]exArgs;
final RubyClass exc;
if (lastCallType != CallType.VARIABLE) {
exc = runtime.getNoMethodError();
exArgs = new IRubyObject[]{msg, symbol, RubyArray.newArrayNoCopy(runtime, args)};
} else {
exc = runtime.getNameError();
exArgs = new IRubyObject[]{msg, symbol};
}
throw new RaiseException((RubyException)exc.newInstance(context, exArgs, Block.NULL_BLOCK));
}
private static IRubyObject[] popenArgs(Ruby runtime, String pipedArg, IRubyObject[] args) {
IRubyObject command = runtime.newString(pipedArg.substring(1));
if (args.length >= 2) return new IRubyObject[] { command, args[1] };
return new IRubyObject[] { command };
}
@JRubyMethod(required = 1, optional = 2, module = true, visibility = PRIVATE, compat = RUBY1_8)
public static IRubyObject open(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
String arg = args[0].convertToString().toString();
Ruby runtime = context.getRuntime();
// exec process, create IO with process
if (arg.startsWith("|")) return RubyIO.popen(context, runtime.getIO(), popenArgs(runtime, arg, args), block);
return RubyFile.open(context, runtime.getFile(), args, block);
}
@JRubyMethod(name = "open", required = 1, optional = 2, module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject open19(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
Ruby runtime = context.getRuntime();
if (args[0].respondsTo("to_open")) {
args[0] = args[0].callMethod(context, "to_open");
return RubyFile.open(context, runtime.getFile(), args, block);
}
String arg = args[0].convertToString().toString();
// exec process, create IO with process
if (arg.startsWith("|")) return RubyIO.popen19(context, runtime.getIO(), popenArgs(runtime, arg, args), block);
return RubyFile.open(context, runtime.getFile(), args, block);
}
@JRubyMethod(name = "getc", module = true, visibility = PRIVATE)
public static IRubyObject getc(ThreadContext context, IRubyObject recv) {
context.getRuntime().getWarnings().warn(ID.DEPRECATED_METHOD, "getc is obsolete; use STDIN.getc instead");
IRubyObject defin = context.getRuntime().getGlobalVariables().get("$stdin");
return defin.callMethod(context, "getc");
}
@JRubyMethod(name = "gets", optional = 1, module = true, visibility = PRIVATE)
public static IRubyObject gets(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
return RubyArgsFile.gets(context, context.getRuntime().getArgsFile(), args);
}
@JRubyMethod(name = "abort", optional = 1, module = true, visibility = PRIVATE)
public static IRubyObject abort(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
Ruby runtime = context.getRuntime();
if(args.length == 1) {
runtime.getGlobalVariables().get("$stderr").callMethod(context,"puts",args[0].convertToString());
}
exit(runtime, new IRubyObject[] { runtime.getFalse() }, false);
return runtime.getNil(); // not reached
}
@JRubyMethod(name = "Array", required = 1, module = true, visibility = PRIVATE)
public static IRubyObject new_array(ThreadContext context, IRubyObject recv, IRubyObject object) {
return RuntimeHelpers.arrayValue(context, context.getRuntime(), object);
}
@JRubyMethod(name = "Complex", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_complex(ThreadContext context, IRubyObject recv) {
return RuntimeHelpers.invoke(context, context.getRuntime().getComplex(), "convert");
}
@JRubyMethod(name = "Complex", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_complex(ThreadContext context, IRubyObject recv, IRubyObject arg) {
return RuntimeHelpers.invoke(context, context.getRuntime().getComplex(), "convert", arg);
}
@JRubyMethod(name = "Complex", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_complex(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1) {
return RuntimeHelpers.invoke(context, context.getRuntime().getComplex(), "convert", arg0, arg1);
}
@JRubyMethod(name = "Rational", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_rational(ThreadContext context, IRubyObject recv) {
return RuntimeHelpers.invoke(context, context.getRuntime().getRational(), "convert");
}
@JRubyMethod(name = "Rational", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_rational(ThreadContext context, IRubyObject recv, IRubyObject arg) {
return RuntimeHelpers.invoke(context, context.getRuntime().getRational(), "convert", arg);
}
@JRubyMethod(name = "Rational", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_rational(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1) {
return RuntimeHelpers.invoke(context, context.getRuntime().getRational(), "convert", arg0, arg1);
}
@JRubyMethod(name = "Float", module = true, visibility = PRIVATE, compat = RUBY1_8)
public static RubyFloat new_float(IRubyObject recv, IRubyObject object) {
if(object instanceof RubyFixnum){
return RubyFloat.newFloat(object.getRuntime(), ((RubyFixnum)object).getDoubleValue());
}else if(object instanceof RubyFloat){
return (RubyFloat)object;
}else if(object instanceof RubyBignum){
return RubyFloat.newFloat(object.getRuntime(), RubyBignum.big2dbl((RubyBignum)object));
}else if(object instanceof RubyString){
if(((RubyString) object).getByteList().getRealSize() == 0){ // rb_cstr_to_dbl case
throw recv.getRuntime().newArgumentError("invalid value for Float(): " + object.inspect());
}
return RubyNumeric.str2fnum(recv.getRuntime(),(RubyString)object,true);
}else if(object.isNil()){
throw recv.getRuntime().newTypeError("can't convert nil into Float");
} else {
RubyFloat rFloat = (RubyFloat)TypeConverter.convertToType(object, recv.getRuntime().getFloat(), "to_f");
if (Double.isNaN(rFloat.getDoubleValue())) throw recv.getRuntime().newArgumentError("invalid value for Float()");
return rFloat;
}
}
@JRubyMethod(name = "Float", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static RubyFloat new_float19(IRubyObject recv, IRubyObject object) {
Ruby runtime = recv.getRuntime();
if(object instanceof RubyFixnum){
return RubyFloat.newFloat(runtime, ((RubyFixnum)object).getDoubleValue());
} else if (object instanceof RubyFloat) {
return (RubyFloat)object;
} else if(object instanceof RubyBignum){
return RubyFloat.newFloat(runtime, RubyBignum.big2dbl((RubyBignum)object));
} else if(object instanceof RubyString){
if(((RubyString) object).getByteList().getRealSize() == 0){ // rb_cstr_to_dbl case
throw runtime.newArgumentError("invalid value for Float(): " + object.inspect());
}
RubyString arg = (RubyString)object;
if (arg.toString().startsWith("0x")) {
return ConvertBytes.byteListToInum19(runtime, arg.getByteList(), 16, true).toFloat();
}
return RubyNumeric.str2fnum19(runtime, arg,true);
} else if(object.isNil()){
throw runtime.newTypeError("can't convert nil into Float");
} else {
return (RubyFloat)TypeConverter.convertToType19(object, runtime.getFloat(), "to_f");
}
}
@JRubyMethod(name = "Hash", required = 1, module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_hash(ThreadContext context, IRubyObject recv, IRubyObject arg) {
IRubyObject tmp;
Ruby runtime = recv.getRuntime();
if (arg.isNil()) return RubyHash.newHash(runtime);
tmp = TypeConverter.checkHashType(runtime, arg);
if (tmp.isNil()) {
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", required = 1, module = true, visibility = PRIVATE, compat = RUBY1_8)
public static IRubyObject new_integer(ThreadContext context, IRubyObject recv, IRubyObject object) {
if (object instanceof RubyFloat) {
double val = ((RubyFloat)object).getDoubleValue();
if (val >= (double) RubyFixnum.MAX || val < (double) RubyFixnum.MIN) {
return RubyNumeric.dbl2num(context.getRuntime(),((RubyFloat)object).getDoubleValue());
}
} else if (object instanceof RubyFixnum || object instanceof RubyBignum) {
return object;
} else if (object instanceof RubyString) {
return RubyNumeric.str2inum(context.getRuntime(),(RubyString)object,0,true);
}
IRubyObject tmp = TypeConverter.convertToType(object, context.getRuntime().getInteger(), "to_int", false);
if (tmp.isNil()) return object.convertToInteger("to_i");
return tmp;
}
@JRubyMethod(name = "Integer", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_integer19(ThreadContext context, IRubyObject recv, IRubyObject object) {
if (object instanceof RubyFloat) {
double val = ((RubyFloat)object).getDoubleValue();
if (val > (double) RubyFixnum.MAX && val < (double) RubyFixnum.MIN) {
return RubyNumeric.dbl2num(context.getRuntime(),((RubyFloat)object).getDoubleValue());
}
} else if (object instanceof RubyFixnum || object instanceof RubyBignum) {
return object;
} else if (object instanceof RubyString) {
return RubyNumeric.str2inum(context.getRuntime(),(RubyString)object,0,true);
} else if(object instanceof RubyNil) {
throw context.getRuntime().newTypeError("can't convert nil into Integer");
}
IRubyObject tmp = TypeConverter.convertToType(object, context.getRuntime().getInteger(), "to_int", false);
if (tmp.isNil()) return object.convertToInteger("to_i");
return tmp;
}
@JRubyMethod(name = "Integer", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_integer19(ThreadContext context, IRubyObject recv, IRubyObject object, IRubyObject base) {
int bs = RubyNumeric.num2int(base);
if(object instanceof RubyString) {
return RubyNumeric.str2inum(context.getRuntime(),(RubyString)object,bs,true);
} else {
IRubyObject tmp = object.checkStringType();
if(!tmp.isNil()) {
return RubyNumeric.str2inum(context.getRuntime(),(RubyString)tmp,bs,true);
}
}
throw context.getRuntime().newArgumentError("base specified for non string value");
}
@JRubyMethod(name = "String", required = 1, module = true, visibility = PRIVATE, compat = RUBY1_8)
public static IRubyObject new_string(ThreadContext context, IRubyObject recv, IRubyObject object) {
return TypeConverter.convertToType(object, context.getRuntime().getString(), "to_s");
}
@JRubyMethod(name = "String", required = 1, module = true, visibility = PRIVATE, compat = RUBY1_9)
public static IRubyObject new_string19(ThreadContext context, IRubyObject recv, IRubyObject object) {
return TypeConverter.convertToType19(object, context.getRuntime().getString(), "to_s");
}
@JRubyMethod(name = "p", rest = true, module = true, visibility = PRIVATE)
public static IRubyObject p(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
Ruby runtime = context.getRuntime();
IRubyObject defout = runtime.getGlobalVariables().get("$>");
for (int i = 0; i < args.length; i++) {
if (args[i] != null) {
defout.callMethod(context, "write", RubyObject.inspect(context, args[i]));
defout.callMethod(context, "write", runtime.newString("\n"));
}
}
IRubyObject result = runtime.getNil();
if (runtime.is1_9()) {
if (args.length == 1) {
result = args[0];
} else if (args.length > 1) {
result = runtime.newArray(args);
}
}
if (defout instanceof RubyFile) {
((RubyFile)defout).flush();
}
return result;
}
@JRubyMethod(name = "public_method",required = 1, module = true, compat = RUBY1_9)
public static IRubyObject public_method(ThreadContext context, IRubyObject recv, IRubyObject symbol) {
return recv.getMetaClass().newMethod(recv, symbol.asJavaString(), true, PUBLIC, true, false);
}
/** rb_f_putc
*/
@JRubyMethod(name = "putc", required = 1, module = true, visibility = PRIVATE)
public static IRubyObject putc(ThreadContext context, IRubyObject recv, IRubyObject ch) {
IRubyObject defout = context.getRuntime().getGlobalVariables().get("$>");
return RubyIO.putc(context, defout, ch);
}
@JRubyMethod(name = "puts", rest = true, module = true, visibility = PRIVATE)
public static IRubyObject puts(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
IRubyObject defout = context.getRuntime().getGlobalVariables().get("$>");
return RubyIO.puts(context, defout, args);
}
@JRubyMethod(name = "print", rest = true, module = true, visibility = PRIVATE)
public static IRubyObject print(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
IRubyObject defout = context.getRuntime().getGlobalVariables().get("$>");
return RubyIO.print(context, defout, args);
}
@JRubyMethod(name = "printf", rest = true, module = true, visibility = PRIVATE)
public static IRubyObject printf(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
if (args.length != 0) {
IRubyObject defout = context.getRuntime().getGlobalVariables().get("$>");
if (!(args[0] instanceof RubyString)) {
defout = args[0];
args = ArgsUtil.popArray(args);
}
defout.callMethod(context, "write", RubyKernel.sprintf(context, recv, args));
}
return context.getRuntime().getNil();
}
@JRubyMethod(name = "readline", optional = 1, 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.getRuntime().newEOFError();
return line;
}
@JRubyMethod(name = "readlines", optional = 1, module = true, visibility = PRIVATE)
public static IRubyObject readlines(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
return RubyArgsFile.readlines(context, context.getRuntime().getArgsFile(), args);
}
@JRubyMethod(name = "respond_to_missing?", module = true, compat = RUBY1_9)
public static IRubyObject respond_to_missing_p(ThreadContext context, IRubyObject recv, IRubyObject symbol) {
return context.getRuntime().getFalse();
}
@JRubyMethod(name = "respond_to_missing?", module = true, compat = RUBY1_9)
public static IRubyObject respond_to_missing_p(ThreadContext context, IRubyObject recv, IRubyObject symbol, IRubyObject isPrivate) {
return context.getRuntime().getFalse();
}
/** Returns value of $_.
*
* @throws TypeError if $_ is not a String or nil.
* @return value of $_ as String.
*/
private static RubyString getLastlineString(ThreadContext context, Ruby runtime) {
IRubyObject line = context.getCurrentScope().getLastLine(runtime);
if (line.isNil()) {
throw runtime.newTypeError("$_ 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;
}
}
/**
* Variable-arity version for compatibility. Not bound to Ruby.
* @deprecated Use the one or two-arg versions.
*/
public static IRubyObject sub_bang(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
return getLastlineString(context, context.getRuntime()).sub_bang(context, args, block);
}
@JRubyMethod(name = "sub!", module = true, visibility = PRIVATE, reads = LASTLINE, compat = RUBY1_8)
public static IRubyObject sub_bang(ThreadContext context, IRubyObject recv, IRubyObject arg0, Block block) {
return getLastlineString(context, context.getRuntime()).sub_bang(context, arg0, block);
}
@JRubyMethod(name = "sub!", module = true, visibility = PRIVATE, reads = LASTLINE, compat = RUBY1_8)
public static IRubyObject sub_bang(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1, Block block) {
return getLastlineString(context, context.getRuntime()).sub_bang(context, arg0, arg1, block);
}
/**
* Variable-arity version for compatibility. Not bound to Ruby.
* @deprecated Use the one or two-arg versions.
*/
public static IRubyObject sub(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
RubyString str = (RubyString) getLastlineString(context, context.getRuntime()).dup();
if (!str.sub_bang(context, args, block).isNil()) {
context.getCurrentScope().setLastLine(str);
}
return str;
}
@JRubyMethod(name = "sub", module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject sub(ThreadContext context, IRubyObject recv, IRubyObject arg0, Block block) {
RubyString str = (RubyString) getLastlineString(context, context.getRuntime()).dup();
if (!str.sub_bang(context, arg0, block).isNil()) {
context.getCurrentScope().setLastLine(str);
}
return str;
}
@JRubyMethod(name = "sub", module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject sub(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1, Block block) {
RubyString str = (RubyString) getLastlineString(context, context.getRuntime()).dup();
if (!str.sub_bang(context, arg0, arg1, block).isNil()) {
context.getCurrentScope().setLastLine(str);
}
return str;
}
/**
* Variable-arity version for compatibility. Not bound to Ruby.
* @deprecated Use the one or two-arg versions.
*/
public static IRubyObject gsub_bang(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
return getLastlineString(context, context.getRuntime()).gsub_bang(context, args, block);
}
@JRubyMethod(name = "gsub!", module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject gsub_bang(ThreadContext context, IRubyObject recv, IRubyObject arg0, Block block) {
return getLastlineString(context, context.getRuntime()).gsub_bang(context, arg0, block);
}
@JRubyMethod(name = "gsub!", module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject gsub_bang(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1, Block block) {
return getLastlineString(context, context.getRuntime()).gsub_bang(context, arg0, arg1, block);
}
/**
* Variable-arity version for compatibility. Not bound to Ruby.
* @deprecated Use the one or two-arg versions.
*/
public static IRubyObject gsub(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
RubyString str = (RubyString) getLastlineString(context, context.getRuntime()).dup();
if (!str.gsub_bang(context, args, block).isNil()) {
context.getCurrentScope().setLastLine(str);
}
return str;
}
@JRubyMethod(module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject gsub(ThreadContext context, IRubyObject recv, IRubyObject arg0, Block block) {
RubyString str = (RubyString) getLastlineString(context, context.getRuntime()).dup();
if (!str.gsub_bang(context, arg0, block).isNil()) {
context.getCurrentScope().setLastLine(str);
}
return str;
}
@JRubyMethod(module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject gsub(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1, Block block) {
RubyString str = (RubyString) getLastlineString(context, context.getRuntime()).dup();
if (!str.gsub_bang(context, arg0, arg1, block).isNil()) {
context.getCurrentScope().setLastLine(str);
}
return str;
}
@JRubyMethod(name = "chop!", module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject chop_bang(ThreadContext context, IRubyObject recv, Block block) {
return getLastlineString(context, context.getRuntime()).chop_bang(context);
}
@JRubyMethod(module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject chop(ThreadContext context, IRubyObject recv, Block block) {
RubyString str = getLastlineString(context, context.getRuntime());
if (str.getByteList().getRealSize() > 0) {
str = (RubyString) str.dup();
str.chop_bang(context);
context.getCurrentScope().setLastLine(str);
}
return str;
}
/**
* Variable-arity version for compatibility. Not bound to Ruby.
* @deprecated Use the zero or one-arg versions.
*/
public static IRubyObject chomp_bang(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
return getLastlineString(context, context.getRuntime()).chomp_bang(args);
}
@JRubyMethod(name = "chomp!", module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject chomp_bang(ThreadContext context, IRubyObject recv) {
return getLastlineString(context, context.getRuntime()).chomp_bang(context);
}
@JRubyMethod(name = "chomp!", module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject chomp_bang(ThreadContext context, IRubyObject recv, IRubyObject arg0) {
return getLastlineString(context, context.getRuntime()).chomp_bang(context, arg0);
}
@JRubyMethod(module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject chomp(ThreadContext context, IRubyObject recv) {
RubyString str = getLastlineString(context, context.getRuntime());
RubyString dup = (RubyString) str.dup();
if (dup.chomp_bang(context).isNil()) {
return str;
}
context.getCurrentScope().setLastLine(dup);
return dup;
}
@JRubyMethod(module = true, visibility = PRIVATE, reads = LASTLINE, writes = LASTLINE, compat = RUBY1_8)
public static IRubyObject chomp(ThreadContext context, IRubyObject recv, IRubyObject arg0) {
RubyString str = getLastlineString(context, context.getRuntime());
RubyString dup = (RubyString) str.dup();
if (dup.chomp_bang(context, arg0).isNil()) {
return str;
}
context.getCurrentScope().setLastLine(dup);
return dup;
}
/**
* Variable arity version for compatibility. Not bound to a Ruby method.
*
* @param context The thread context for the current thread
* @param recv The receiver of the method (usually a class that has included Kernel)
* @return
* @deprecated Use the versions with zero, one, or two args.
*/
public static IRubyObject split(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
return getLastlineString(context, context.getRuntime()).split(context, args);
}
@JRubyMethod(module = true, visibility = PRIVATE, reads = LASTLINE, writes = {LASTLINE, BACKREF}, compat = RUBY1_8)
public static IRubyObject split(ThreadContext context, IRubyObject recv) {
return getLastlineString(context, context.getRuntime()).split(context);
}
@JRubyMethod(module = true, visibility = PRIVATE, reads = LASTLINE, writes = {LASTLINE, BACKREF}, compat = RUBY1_8)
public static IRubyObject split(ThreadContext context, IRubyObject recv, IRubyObject arg0) {
return getLastlineString(context, context.getRuntime()).split(context, arg0);
}
@JRubyMethod(module = true, visibility = PRIVATE, reads = LASTLINE, writes = {LASTLINE, BACKREF}, compat = RUBY1_8)
public static IRubyObject split(ThreadContext context, IRubyObject recv, IRubyObject arg0, IRubyObject arg1) {
return getLastlineString(context, context.getRuntime()).split(context, arg0, arg1);
}
@JRubyMethod(module = true, visibility = PRIVATE, reads = {LASTLINE, BACKREF}, writes = {LASTLINE, BACKREF}, compat = RUBY1_8)
public static IRubyObject scan(ThreadContext context, IRubyObject recv, IRubyObject pattern, Block block) {
return getLastlineString(context, context.getRuntime()).scan(context, pattern, block);
}
@JRubyMethod(required = 1, optional = 3, module = true, visibility = PRIVATE)
public static IRubyObject select(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
return RubyIO.select_static(context, context.getRuntime(), args);
}
@JRubyMethod(optional = 1, module = true, visibility = PRIVATE)
public static IRubyObject sleep(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
long milliseconds;
if (args.length == 0) {
// Zero sleeps forever
milliseconds = 0;
} else {
if (!(args[0] instanceof RubyNumeric)) {
throw context.getRuntime().newTypeError("can't convert " + args[0].getMetaClass().getName() + "into time interval");
}
milliseconds = (long) (args[0].convertToFloat().getDoubleValue() * 1000);
if (milliseconds < 0) {
throw context.getRuntime().newArgumentError("time interval must be positive");
} else if (milliseconds == 0) {
// Explicit zero in MRI returns immediately
return context.getRuntime().newFixnum(0);
}
}
long startTime = System.currentTimeMillis();
RubyThread rubyThread = context.getThread();
// Spurious wakeup-loop
do {
long loopStartTime = System.currentTimeMillis();
try {
// We break if we know this sleep was explicitly woken up/interrupted
if (!rubyThread.sleep(milliseconds)) break;
} catch (InterruptedException iExcptn) {
}
milliseconds -= (System.currentTimeMillis() - loopStartTime);
} while (milliseconds > 0);
return context.getRuntime().newFixnum(Math.round((System.currentTimeMillis() - startTime) / 1000.0));
}
// FIXME: Add at_exit and finalizers to exit, then make exit_bang not call those.
@JRubyMethod(name = "exit", optional = 1, module = true, visibility = PRIVATE)
public static IRubyObject exit(IRubyObject recv, IRubyObject[] args) {
exit(recv.getRuntime(), args, false);
return recv.getRuntime().getNil(); // not reached
}
@JRubyMethod(name = "exit!", optional = 1, module = true, visibility = PRIVATE)
public static IRubyObject exit_bang(IRubyObject recv, IRubyObject[] args) {
exit(recv.getRuntime(), args, true);
return recv.getRuntime().getNil(); // not reached
}
private static void exit(Ruby runtime, IRubyObject[] args, boolean hard) {
runtime.secure(4);
int status = hard ? 1 : 0;
if (args.length > 0) {
RubyObject argument = (RubyObject) args[0];
if (argument instanceof RubyBoolean) {
status = argument.isFalse() ? 1 : 0;
} else {
status = RubyNumeric.fix2int(argument);
}
}
if (hard) {
if (runtime.getInstanceConfig().isHardExit()) {
System.exit(status);
} else {
throw new MainExitException(status, true);
}
} else {
throw runtime.newSystemExit(status);
}
}
/** Returns 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.getRuntime();
RubyArray globalVariables = runtime.newArray();
for (String globalVariableName : runtime.getGlobalVariables().getNames()) {
globalVariables.append(runtime.newString(globalVariableName));
}
return globalVariables;
}
// In 1.9, return symbols
@JRubyMethod(name = "global_variables", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static RubyArray global_variables19(ThreadContext context, IRubyObject recv) {
Ruby runtime = context.getRuntime();
RubyArray globalVariables = runtime.newArray();
for (String globalVariableName : runtime.getGlobalVariables().getNames()) {
globalVariables.append(runtime.newSymbol(globalVariableName));
}
return globalVariables;
}
/** Returns an Array with the names of all local variables.
*
*/
@JRubyMethod(name = "local_variables", module = true, visibility = PRIVATE)
public static RubyArray local_variables(ThreadContext context, IRubyObject recv) {
final Ruby runtime = context.getRuntime();
RubyArray localVariables = runtime.newArray();
for (String name: context.getCurrentScope().getAllNamesInScope()) {
if (IdUtil.isLocal(name)) localVariables.append(runtime.newString(name));
}
return localVariables;
}
// In 1.9, return symbols
@JRubyMethod(name = "local_variables", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static RubyArray local_variables19(ThreadContext context, IRubyObject recv) {
final Ruby runtime = context.getRuntime();
RubyArray localVariables = runtime.newArray();
for (String name: context.getCurrentScope().getAllNamesInScope()) {
if (IdUtil.isLocal(name)) localVariables.append(runtime.newSymbol(name));
}
return localVariables;
}
@JRubyMethod(module = true, visibility = PRIVATE)
public static RubyBinding binding(ThreadContext context, IRubyObject recv, Block block) {
return RubyBinding.newBinding(context.getRuntime(), context.currentBinding(recv));
}
@JRubyMethod(name = "binding", module = true, visibility = PRIVATE, compat = RUBY1_9)
public static RubyBinding binding19(ThreadContext context, IRubyObject recv, Block block) {
return RubyBinding.newBinding(context.getRuntime(), context.currentBinding());
}
@JRubyMethod(name = {"block_given?", "iterator?"}, module = true, visibility = PRIVATE)
public static RubyBoolean block_given_p(ThreadContext context, IRubyObject recv) {
return context.getRuntime().newBoolean(context.getCurrentFrame().getBlock().isGiven());
}
@Deprecated
public static IRubyObject sprintf(IRubyObject recv, IRubyObject[] args) {
return sprintf(recv.getRuntime().getCurrentContext(), recv, args);
}
@JRubyMethod(name = {"sprintf", "format"}, required = 1, rest = true, module = true, visibility = PRIVATE)
public static IRubyObject sprintf(ThreadContext context, IRubyObject recv, IRubyObject[] args) {
if (args.length == 0) {
throw context.getRuntime().newArgumentError("sprintf must have at least one argument");
}
RubyString str = RubyString.stringValue(args[0]);
IRubyObject arg;
if (context.runtime.is1_9() && args.length == 2 && args[1] instanceof RubyHash) {
arg = args[1];
} else {
RubyArray newArgs = context.getRuntime().newArrayNoCopy(args);
newArgs.shift(context);
arg = newArgs;
}
return str.op_format(context, arg);
}
@JRubyMethod(name = {"raise", "fail"}, optional = 3, module = true, visibility = PRIVATE, omit = true)
public static IRubyObject raise(ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block) {
// FIXME: Pass block down?
Ruby runtime = context.getRuntime();
RaiseException raise;
switch (args.length) {
case 0:
IRubyObject lastException = runtime.getGlobalVariables().get("$!");
if (lastException.isNil()) {
raise = new RaiseException(runtime, runtime.getRuntimeError(), "", false);
} else {
// non RubyException value is allowed to be assigned as $!.
raise = new RaiseException((RubyException) lastException);