jruby/src/org/jruby/RubyClass.java at parallel_boot · MSNexploder/jruby · GitHub

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/***** BEGIN LICENSE BLOCK *****

* Version: EPL 1.0/GPL 2.0/LGPL 2.1

* The contents of this file are subject to the Eclipse 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/epl-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.

* 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 static org.jruby.util.CodegenUtils.ci;

import static org.jruby.util.CodegenUtils.p;

import static org.jruby.util.CodegenUtils.sig;

import static org.objectweb.asm.Opcodes.ACC_PRIVATE;

import static org.objectweb.asm.Opcodes.ACC_PUBLIC;

import static org.objectweb.asm.Opcodes.ACC_STATIC;

import static org.objectweb.asm.Opcodes.ACC_SUPER;

import static org.objectweb.asm.Opcodes.ACC_VARARGS;

import java.io.IOException;

import java.lang.reflect.Constructor;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

import java.util.ArrayList;

import java.util.Collection;

import java.util.Collections;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Hashtable;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Set;

import org.jruby.anno.JRubyClass;

import org.jruby.anno.JRubyMethod;

import org.jruby.compiler.impl.SkinnyMethodAdapter;

import org.jruby.exceptions.RaiseException;

import org.jruby.internal.runtime.methods.DynamicMethod;

import org.jruby.java.codegen.RealClassGenerator;

import org.jruby.java.codegen.Reified;

import org.jruby.javasupport.Java;

import org.jruby.runtime.Helpers;

import org.jruby.runtime.Block;

import org.jruby.runtime.CallSite;

import org.jruby.runtime.CallType;

import org.jruby.runtime.ClassIndex;

import org.jruby.runtime.MethodIndex;

import org.jruby.runtime.ObjectAllocator;

import org.jruby.runtime.ObjectMarshal;

import org.jruby.runtime.ThreadContext;

import static org.jruby.runtime.Visibility.*;

import static org.jruby.CompatVersion.*;

import org.jruby.runtime.builtin.IRubyObject;

import org.jruby.runtime.callsite.CacheEntry;

import org.jruby.runtime.marshal.MarshalStream;

import org.jruby.runtime.marshal.UnmarshalStream;

import org.jruby.runtime.opto.Invalidator;

import org.jruby.util.ClassCache.OneShotClassLoader;

import org.jruby.util.ClassDefiningClassLoader;

import org.jruby.util.CodegenUtils;

import org.jruby.util.JavaNameMangler;

import org.jruby.util.collections.WeakHashSet;

import org.jruby.util.log.Logger;

import org.jruby.util.log.LoggerFactory;

import org.objectweb.asm.AnnotationVisitor;

import org.objectweb.asm.ClassWriter;

/**

* @author jpetersen

@JRubyClass(name="Class", parent="Module")

public class RubyClass extends RubyModule {

private static final Logger LOG = LoggerFactory.getLogger("RubyClass");

public static void createClassClass(Ruby runtime, RubyClass classClass) {

classClass.index = ClassIndex.CLASS;

classClass.setReifiedClass(RubyClass.class);

classClass.kindOf = new RubyModule.KindOf() {

@Override

public boolean isKindOf(IRubyObject obj, RubyModule type) {

return obj instanceof RubyClass;

}

};

classClass.undefineMethod("module_function");

classClass.undefineMethod("append_features");

classClass.undefineMethod("extend_object");

classClass.defineAnnotatedMethods(RubyClass.class);

}

public static final ObjectAllocator CLASS_ALLOCATOR = new ObjectAllocator() {

public IRubyObject allocate(Ruby runtime, RubyClass klass) {

RubyClass clazz = new RubyClass(runtime);

clazz.allocator = ObjectAllocator.NOT_ALLOCATABLE_ALLOCATOR; // Class.allocate object is not allocatable before it is initialized

return clazz;

}

};

public ObjectAllocator getAllocator() {

return allocator;

}

public void setAllocator(ObjectAllocator allocator) {

this.allocator = allocator;

}

/**

* Set a reflective allocator that calls a no-arg constructor on the given

* class.

* @param cls The class on which to call the default constructor to allocate

public void setClassAllocator(final Class cls) {

this.allocator = new ObjectAllocator() {

public IRubyObject allocate(Ruby runtime, RubyClass klazz) {

try {

RubyBasicObject object = (RubyBasicObject)cls.newInstance();

object.setMetaClass(klazz);

return object;

} catch (InstantiationException ie) {

throw runtime.newTypeError("could not allocate " + cls + " with default constructor:\n" + ie);

} catch (IllegalAccessException iae) {

throw runtime.newSecurityError("could not allocate " + cls + " due to inaccessible default constructor:\n" + iae);

}

};

this.reifiedClass = cls;

}

/**

* Set a reflective allocator that calls the "standard" Ruby object

* constructor (Ruby, RubyClass) on the given class.

* @param cls The class from which to grab a standard Ruby constructor

public void setRubyClassAllocator(final Class cls) {

try {

final Constructor constructor = cls.getConstructor(Ruby.class, RubyClass.class);

this.allocator = new ObjectAllocator() {

public IRubyObject allocate(Ruby runtime, RubyClass klazz) {

try {

return (IRubyObject)constructor.newInstance(runtime, klazz);

} catch (InvocationTargetException ite) {

throw runtime.newTypeError("could not allocate " + cls + " with (Ruby, RubyClass) constructor:\n" + ite);

} catch (InstantiationException ie) {

throw runtime.newTypeError("could not allocate " + cls + " with (Ruby, RubyClass) constructor:\n" + ie);

} catch (IllegalAccessException iae) {

throw runtime.newSecurityError("could not allocate " + cls + " due to inaccessible (Ruby, RubyClass) constructor:\n" + iae);

}

};

this.reifiedClass = cls;

} catch (NoSuchMethodException nsme) {

throw new RuntimeException(nsme);

}

/**

* Set a reflective allocator that calls the "standard" Ruby object

* constructor (Ruby, RubyClass) on the given class via a static

* __allocate__ method intermediate.

* @param cls The class from which to grab a standard Ruby __allocate__

* method.

public void setRubyStaticAllocator(final Class cls) {

try {

final Method method = cls.getDeclaredMethod("__allocate__", Ruby.class, RubyClass.class);

this.allocator = new ObjectAllocator() {

public IRubyObject allocate(Ruby runtime, RubyClass klazz) {

try {

return (IRubyObject)method.invoke(null, runtime, klazz);

} catch (InvocationTargetException ite) {

throw runtime.newTypeError("could not allocate " + cls + " with (Ruby, RubyClass) constructor:\n" + ite);

} catch (IllegalAccessException iae) {

throw runtime.newSecurityError("could not allocate " + cls + " due to inaccessible (Ruby, RubyClass) constructor:\n" + iae);

}

};

this.reifiedClass = cls;

} catch (NoSuchMethodException nsme) {

throw new RuntimeException(nsme);

}

@JRubyMethod(name = "allocate")

public IRubyObject allocate() {

if (superClass == null) {

if(!(runtime.is1_9() && this == runtime.getBasicObject())) {

throw runtime.newTypeError("can't instantiate uninitialized class");

}

IRubyObject obj = allocator.allocate(runtime, this);

if (obj.getMetaClass().getRealClass() != getRealClass()) {

throw runtime.newTypeError("wrong instance allocation");

}

return obj;

}

public CallSite getBaseCallSite(int idx) {

return baseCallSites[idx];

}

public CallSite[] getBaseCallSites() {

return baseCallSites;

}

public CallSite[] getExtraCallSites() {

return extraCallSites;

}

public static class VariableAccessor {

private final String name;

private final int index;

private final int classId;

public VariableAccessor(String name, int index, int classId) {

this.index = index;

this.classId = classId;

this.name = name;

}

public int getClassId() {

return classId;

}

public int getIndex() {

return index;

}

public String getName() {

return name;

}

public Object get(Object object) {

return ((IRubyObject)object).getVariable(index);

}

public void set(Object object, Object value) {

((IRubyObject)object).setVariable(index, value);

}

public static final VariableAccessor DUMMY_ACCESSOR = new VariableAccessor(null, -1, -1);

}

public Map<String, VariableAccessor> getVariableAccessorsForRead() {

return variableAccessors;

}

private final VariableAccessorField objectIdVariableAccessorField = new VariableAccessorField("object_id");

private final VariableAccessorField cextHandleVariableAccessorField = new VariableAccessorField("cext");

private final VariableAccessorField ffiHandleVariableAccessorField = new VariableAccessorField("ffi");

private final VariableAccessorField objectGroupVariableAccessorField = new VariableAccessorField("objectspace_group");

private synchronized final VariableAccessor allocateVariableAccessor(String name) {

String[] myVariableNames = variableNames;

int newIndex = myVariableNames.length;

String[] newVariableNames = new String[newIndex + 1];

VariableAccessor newVariableAccessor = new VariableAccessor(name, newIndex, this.id);

System.arraycopy(myVariableNames, 0, newVariableNames, 0, newIndex);

newVariableNames[newIndex] = name;

variableNames = newVariableNames;

return newVariableAccessor;

}

public VariableAccessor getVariableAccessorForWrite(String name) {

VariableAccessor ivarAccessor = variableAccessors.get(name);

if (ivarAccessor == null) {

synchronized (this) {

Map<String, VariableAccessor> myVariableAccessors = variableAccessors;

ivarAccessor = myVariableAccessors.get(name);

if (ivarAccessor == null) {

// allocate a new accessor and populate a new table

ivarAccessor = allocateVariableAccessor(name);

Map<String, VariableAccessor> newVariableAccessors = new HashMap<String, VariableAccessor>(myVariableAccessors.size() + 1);

newVariableAccessors.putAll(myVariableAccessors);

newVariableAccessors.put(name, ivarAccessor);

variableAccessors = newVariableAccessors;

}

return ivarAccessor;

}

public final class VariableAccessorField {

private final String name;

private volatile VariableAccessor variableAccessor = VariableAccessor.DUMMY_ACCESSOR;

private VariableAccessorField(String name) {

this.name = name;

}

public VariableAccessor getVariableAccessorForRead() {

return variableAccessor;

}

public VariableAccessor getVariableAccessorForWrite() {

return variableAccessor != VariableAccessor.DUMMY_ACCESSOR

? variableAccessor : allocateVariableAccessor();

}

private synchronized VariableAccessor allocateVariableAccessor() {

if (variableAccessor == VariableAccessor.DUMMY_ACCESSOR) {

variableAccessor = RubyClass.this.allocateVariableAccessor(name);

}

return variableAccessor;

}

public VariableAccessor getVariableAccessorForRead(String name) {

VariableAccessor accessor = getVariableAccessorsForRead().get(name);

if (accessor == null) accessor = VariableAccessor.DUMMY_ACCESSOR;

return accessor;

}

public VariableAccessorField getObjectIdAccessorField() {

return objectIdVariableAccessorField;

}

public VariableAccessorField getNativeHandleAccessorField() {

return cextHandleVariableAccessorField;

}

public VariableAccessorField getFFIHandleAccessorField() {

return ffiHandleVariableAccessorField;

}

public VariableAccessorField getObjectGroupAccessorField() {

return objectGroupVariableAccessorField;

}

public int getVariableTableSize() {

return variableAccessors.size();

}

public int getVariableTableSizeWithExtras() {

return variableNames.length;

}

public Map<String, VariableAccessor> getVariableTableCopy() {

return new HashMap<String, VariableAccessor>(getVariableAccessorsForRead());

}

/**

* Get an array of all the known instance variable names. The offset into

* the array indicates the offset of the variable's value in the per-object

* variable array.

* @return a copy of the array of known instance variable names

public String[] getVariableNames() {

String[] original = variableNames;

String[] copy = new String[original.length];

System.arraycopy(original, 0, copy, 0, original.length);

return copy;

}

@Override

public int getNativeTypeIndex() {

return ClassIndex.CLASS;

}

@Override

public boolean isModule() {

return false;

}

@Override

public boolean isClass() {

return true;

}

@Override

public boolean isSingleton() {

return false;

}

/** boot_defclass

* Create an initial Object meta class before Module and Kernel dependencies have

* squirreled themselves together.

* @param runtime we need it

* @return a half-baked meta class for object

public static RubyClass createBootstrapClass(Ruby runtime, String name, RubyClass superClass, ObjectAllocator allocator) {

RubyClass obj;

if (superClass == null ) { // boot the Object class

obj = new RubyClass(runtime);

obj.marshal = DEFAULT_OBJECT_MARSHAL;

} else { // boot the Module and Class classes

obj = new RubyClass(runtime, superClass);

}

obj.setAllocator(allocator);

obj.setBaseName(name);

return obj;

}

/** separate path for MetaClass and IncludedModuleWrapper construction

* (rb_class_boot version for MetaClasses)

* no marshal, allocator initialization and addSubclass(this) here!

protected RubyClass(Ruby runtime, RubyClass superClass, boolean objectSpace) {

super(runtime, runtime.getClassClass(), objectSpace);

this.runtime = runtime;

this.realClass = superClass == null ? null : superClass.getRealClass();

setSuperClass(superClass); // this is the only case it might be null here (in MetaClass construction)

}

/** used by CLASS_ALLOCATOR (any Class' class will be a Class!)

* also used to bootstrap Object class

protected RubyClass(Ruby runtime) {

super(runtime, runtime.getClassClass());

this.runtime = runtime;

this.realClass = this;

index = ClassIndex.CLASS;

}

/** rb_class_boot (for plain Classes)

* also used to bootstrap Module and Class classes

protected RubyClass(Ruby runtime, RubyClass superClazz) {

this(runtime);

setSuperClass(superClazz);

marshal = superClazz.marshal; // use parent's marshal

superClazz.addSubclass(this);

allocator = superClazz.allocator;

infectBy(superClass);

}

/**

* A constructor which allows passing in an array of supplementary call sites.

protected RubyClass(Ruby runtime, RubyClass superClazz, CallSite[] extraCallSites) {

this(runtime);

setSuperClass(superClazz);

this.marshal = superClazz.marshal; // use parent's marshal

superClazz.addSubclass(this);

this.extraCallSites = extraCallSites;

infectBy(superClass);

}

/**

* Construct a new class with the given name scoped under Object (global)

* and with Object as its immediate superclass.

* Corresponds to rb_class_new in MRI.

public static RubyClass newClass(Ruby runtime, RubyClass superClass) {

if (superClass == runtime.getClassClass()) throw runtime.newTypeError("can't make subclass of Class");

if (superClass.isSingleton()) throw runtime.newTypeError("can't make subclass of virtual class");

return new RubyClass(runtime, superClass);

}

/**

* A variation on newClass that allow passing in an array of supplementary

* call sites to improve dynamic invocation.

public static RubyClass newClass(Ruby runtime, RubyClass superClass, CallSite[] extraCallSites) {

if (superClass == runtime.getClassClass()) throw runtime.newTypeError("can't make subclass of Class");

if (superClass.isSingleton()) throw runtime.newTypeError("can't make subclass of virtual class");

return new RubyClass(runtime, superClass, extraCallSites);

}

/**

* Construct a new class with the given name, allocator, parent class,

* and containing class. If setParent is true, the class's parent will be

* explicitly set to the provided parent (rather than the new class just

* being assigned to a constant in that parent).

* Corresponds to rb_class_new/rb_define_class_id/rb_name_class/rb_set_class_path

* in MRI.

public static RubyClass newClass(Ruby runtime, RubyClass superClass, String name, ObjectAllocator allocator, RubyModule parent, boolean setParent) {

RubyClass clazz = newClass(runtime, superClass);

clazz.setBaseName(name);

clazz.setAllocator(allocator);

clazz.makeMetaClass(superClass.getMetaClass());

if (setParent) clazz.setParent(parent);

parent.setConstant(name, clazz);

clazz.inherit(superClass);

return clazz;

}

/**

* A variation on newClass that allows passing in an array of supplementary

* call sites to improve dynamic invocation performance.

public static RubyClass newClass(Ruby runtime, RubyClass superClass, String name, ObjectAllocator allocator, RubyModule parent, boolean setParent, CallSite[] extraCallSites) {

RubyClass clazz = newClass(runtime, superClass, extraCallSites);

clazz.setBaseName(name);

clazz.setAllocator(allocator);

clazz.makeMetaClass(superClass.getMetaClass());

if (setParent) clazz.setParent(parent);

parent.setConstant(name, clazz);

clazz.inherit(superClass);

return clazz;

}

/** rb_make_metaclass

@Override

public RubyClass makeMetaClass(RubyClass superClass) {

if (isSingleton()) { // could be pulled down to RubyClass in future

MetaClass klass = new MetaClass(runtime, superClass, this); // rb_class_boot

setMetaClass(klass);

klass.setMetaClass(klass);

klass.setSuperClass(getSuperClass().getRealClass().getMetaClass());

return klass;

} else {

return super.makeMetaClass(superClass);

}

@Deprecated

public IRubyObject invoke(ThreadContext context, IRubyObject self, int methodIndex, String name, IRubyObject[] args, CallType callType, Block block) {

return invoke(context, self, name, args, callType, block);

}

public boolean notVisibleAndNotMethodMissing(DynamicMethod method, String name, IRubyObject caller, CallType callType) {

return !method.isCallableFrom(caller, callType) && !name.equals("method_missing");

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

CallType callType, Block block) {

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, block);

}

return method.call(context, self, this, name, block);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name, Block block) {

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, block);

}

return method.call(context, self, this, name, block);

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

IRubyObject[] args, CallType callType, Block block) {

assert args != null;

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, args, block);

}

return method.call(context, self, this, name, args, block);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name,

IRubyObject[] args, Block block) {

assert args != null;

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, args, block);

}

return method.call(context, self, this, name, args, block);

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg, CallType callType, Block block) {

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, arg, block);

}

return method.call(context, self, this, name, arg, block);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg, Block block) {

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, arg, block);

}

return method.call(context, self, this, name, arg, block);

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg0, IRubyObject arg1, CallType callType, Block block) {

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, arg0, arg1, block);

}

return method.call(context, self, this, name, arg0, arg1, block);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg0, IRubyObject arg1, Block block) {

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, arg0, arg1, block);

}

return method.call(context, self, this, name, arg0, arg1, block);

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg0, IRubyObject arg1, IRubyObject arg2, CallType callType, Block block) {

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, arg0, arg1, arg2, block);

}

return method.call(context, self, this, name, arg0, arg1, arg2, block);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg0, IRubyObject arg1, IRubyObject arg2, Block block) {

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, arg0, arg1, arg2, block);

}

return method.call(context, self, this, name, arg0, arg1, arg2, block);

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

CallType callType) {

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, Block.NULL_BLOCK);

}

return method.call(context, self, this, name);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name) {

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, Block.NULL_BLOCK);

}

return method.call(context, self, this, name);

}

public IRubyObject finvokeChecked(ThreadContext context, IRubyObject self, String name) {

DynamicMethod method = searchMethod(name);

if(method.isUndefined()) {

DynamicMethod methodMissing = searchMethod("method_missing");

if(methodMissing.isUndefined() || methodMissing.equals(context.runtime.getDefaultMethodMissing())) {

return null;

}

try {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, Block.NULL_BLOCK);

} catch(RaiseException e) {

if(context.runtime.getNoMethodError().isInstance(e.getException())) {

if(self.respondsTo(name)) {

throw e;

} else {

// we swallow, so we also must clear $!

context.setErrorInfo(context.nil);

return null;

}

} else {

throw e;

}

return method.call(context, self, this, name);

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

IRubyObject[] args, CallType callType) {

assert args != null;

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, args, Block.NULL_BLOCK);

}

return method.call(context, self, this, name, args);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name,

IRubyObject[] args) {

assert args != null;

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, args, Block.NULL_BLOCK);

}

return method.call(context, self, this, name, args);

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg, CallType callType) {

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, arg, Block.NULL_BLOCK);

}

return method.call(context, self, this, name, arg);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg) {

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, arg, Block.NULL_BLOCK);

}

return method.call(context, self, this, name, arg);

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg0, IRubyObject arg1, CallType callType) {

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, arg0, arg1, Block.NULL_BLOCK);

}

return method.call(context, self, this, name, arg0, arg1);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg0, IRubyObject arg1) {

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, arg0, arg1, Block.NULL_BLOCK);

}

return method.call(context, self, this, name, arg0, arg1);

}

public IRubyObject invoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg0, IRubyObject arg1, IRubyObject arg2, CallType callType) {

DynamicMethod method = searchMethod(name);

IRubyObject caller = context.getFrameSelf();

if (shouldCallMethodMissing(method, name, caller, callType)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, callType, arg0, arg1, arg2, Block.NULL_BLOCK);

}

return method.call(context, self, this, name, arg0, arg1, arg2);

}

public IRubyObject finvoke(ThreadContext context, IRubyObject self, String name,

IRubyObject arg0, IRubyObject arg1, IRubyObject arg2) {

DynamicMethod method = searchMethod(name);

if (shouldCallMethodMissing(method)) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), name, CallType.FUNCTIONAL, arg0, arg1, arg2, Block.NULL_BLOCK);

}

return method.call(context, self, this, name, arg0, arg1, arg2);

}

private void dumpReifiedClass(String dumpDir, String javaPath, byte[] classBytes) {

if (dumpDir != null) {

if (dumpDir.equals("")) {

dumpDir = ".";

}

java.io.FileOutputStream classStream = null;

try {

java.io.File classFile = new java.io.File(dumpDir, javaPath + ".class");

classFile.getParentFile().mkdirs();

classStream = new java.io.FileOutputStream(classFile);

classStream.write(classBytes);

} catch (IOException io) {

getRuntime().getWarnings().warn("unable to dump class file: " + io.getMessage());

} finally {

if (classStream != null) {

try {

classStream.close();

} catch (IOException ignored) {

}

private void generateMethodAnnotations(Map<Class, Map<String, Object>> methodAnnos, SkinnyMethodAdapter m, List<Map<Class, Map<String, Object>>> parameterAnnos) {

if (methodAnnos != null && methodAnnos.size() != 0) {

for (Map.Entry<Class, Map<String, Object>> entry : methodAnnos.entrySet()) {

m.visitAnnotationWithFields(ci(entry.getKey()), true, entry.getValue());

}

if (parameterAnnos != null && parameterAnnos.size() != 0) {

for (int i = 0; i < parameterAnnos.size(); i++) {

Map<Class, Map<String, Object>> annos = parameterAnnos.get(i);

if (annos != null && annos.size() != 0) {

for (Iterator<Map.Entry<Class, Map<String, Object>>> it = annos.entrySet().iterator(); it.hasNext();) {

Map.Entry<Class, Map<String, Object>> entry = it.next();

m.visitParameterAnnotationWithFields(i, ci(entry.getKey()), true, entry.getValue());

}

private boolean shouldCallMethodMissing(DynamicMethod method) {

return method.isUndefined();

}

private boolean shouldCallMethodMissing(DynamicMethod method, String name, IRubyObject caller, CallType callType) {

return method.isUndefined() || notVisibleAndNotMethodMissing(method, name, caller, callType);

}

public IRubyObject invokeInherited(ThreadContext context, IRubyObject self, IRubyObject subclass) {

DynamicMethod method = getMetaClass().searchMethod("inherited");

if (method.isUndefined()) {

return Helpers.callMethodMissing(context, self, method.getVisibility(), "inherited", CallType.FUNCTIONAL, Block.NULL_BLOCK);

}

return method.call(context, self, getMetaClass(), "inherited", subclass, Block.NULL_BLOCK);

}

/** rb_class_new_instance

@JRubyMethod(name = "new", omit = true)

public IRubyObject newInstance(ThreadContext context, Block block) {

IRubyObject obj = allocate();

baseCallSites[CS_IDX_INITIALIZE].call(context, obj, obj, block);

return obj;

}

@JRubyMethod(name = "new", omit = true)

public IRubyObject newInstance(ThreadContext context, IRubyObject arg0, Block block) {

IRubyObject obj = allocate();

baseCallSites[CS_IDX_INITIALIZE].call(context, obj, obj, arg0, block);

return obj;

}

@JRubyMethod(name = "new", omit = true)

public IRubyObject newInstance(ThreadContext context, IRubyObject arg0, IRubyObject arg1, Block block) {

IRubyObject obj = allocate();

baseCallSites[CS_IDX_INITIALIZE].call(context, obj, obj, arg0, arg1, block);

return obj;

}

@JRubyMethod(name = "new", omit = true)

public IRubyObject newInstance(ThreadContext context, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2, Block block) {

IRubyObject obj = allocate();

baseCallSites[CS_IDX_INITIALIZE].call(context, obj, obj, arg0, arg1, arg2, block);

return obj;

}

@JRubyMethod(name = "new", rest = true, omit = true)

public IRubyObject newInstance(ThreadContext context, IRubyObject[] args, Block block) {

IRubyObject obj = allocate();

baseCallSites[CS_IDX_INITIALIZE].call(context, obj, obj, args, block);

return obj;

}

/** rb_class_initialize

@JRubyMethod(compat = RUBY1_8, visibility = PRIVATE)

@Override

public IRubyObject initialize(ThreadContext context, Block block) {

checkNotInitialized();

return initializeCommon(context, runtime.getObject(), block, false);

}

@JRubyMethod(compat = RUBY1_8, visibility = PRIVATE)

public IRubyObject initialize(ThreadContext context, IRubyObject superObject, Block block) {

checkNotInitialized();

checkInheritable(superObject);

return initializeCommon(context, (RubyClass)superObject, block, false);

}

@JRubyMethod(name = "initialize", compat = RUBY1_9, visibility = PRIVATE)

public IRubyObject initialize19(ThreadContext context, Block block) {

checkNotInitialized();

return initializeCommon(context, runtime.getObject(), block, true);

}

@JRubyMethod(name = "initialize", compat = RUBY1_9, visibility = PRIVATE)

public IRubyObject initialize19(ThreadContext context, IRubyObject superObject, Block block) {

checkNotInitialized();

checkInheritable(superObject);

return initializeCommon(context, (RubyClass)superObject, block, true);

}

private IRubyObject initializeCommon(ThreadContext context, RubyClass superClazz, Block block, boolean ruby1_9 /*callInheritBeforeSuper*/) {

setSuperClass(superClazz);

allocator = superClazz.allocator;

makeMetaClass(superClazz.getMetaClass());

marshal = superClazz.marshal;

superClazz.addSubclass(this);

if (ruby1_9) {

inherit(superClazz);

super.initialize(context, block);

} else {

super.initialize(context, block);

inherit(superClazz);

}

return this;

}

/** rb_class_init_copy

@JRubyMethod(name = "initialize_copy", required = 1, visibility = PRIVATE)

@Override

public IRubyObject initialize_copy(IRubyObject original){

checkNotInitialized();

if (original instanceof MetaClass) throw runtime.newTypeError("can't copy singleton class");

super.initialize_copy(original);

allocator = ((RubyClass)original).allocator;

return this;

}

protected void setModuleSuperClass(RubyClass superClass) {

// remove us from old superclass's child classes

if (this.superClass != null) this.superClass.removeSubclass(this);

// add us to new superclass's child classes

superClass.addSubclass(this);

// update superclass reference

setSuperClass(superClass);

}

public Collection<RubyClass> subclasses(boolean includeDescendants) {

Set<RubyClass> mySubclasses = subclasses;

if (mySubclasses != null) {

Collection<RubyClass> mine = new ArrayList<RubyClass>(mySubclasses);

if (includeDescendants) {

for (RubyClass i: mySubclasses) {

mine.addAll(i.subclasses(includeDescendants));

}

return mine;

} else {

return Collections.EMPTY_LIST;

}

/**

* Add a new subclass to the weak set of subclasses.

* This version always constructs a new set to avoid having to synchronize

* against the set when iterating it for invalidation in

* invalidateCacheDescendants.

* @param subclass The subclass to add

public synchronized void addSubclass(RubyClass subclass) {

synchronized (runtime.getHierarchyLock()) {

Set<RubyClass> oldSubclasses = subclasses;

if (oldSubclasses == null) subclasses = oldSubclasses = new WeakHashSet<RubyClass>(4);

oldSubclasses.add(subclass);

}

/**

* Remove a subclass from the weak set of subclasses.

* @param subclass The subclass to remove

public synchronized void removeSubclass(RubyClass subclass) {

synchronized (runtime.getHierarchyLock()) {

Set<RubyClass> oldSubclasses = subclasses;

if (oldSubclasses == null) return;

oldSubclasses.remove(subclass);

}

/**

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jruby/src/org/jruby/RubyClass.java at parallel_boot · MSNexploder/jruby · GitHub

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