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RubyModule.java
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RubyModule.java
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/**
* Copyright 2005-2007 Xue Yong Zhi, Ye Zheng
* Distributed under the BSD License
*/
package com.xruby.runtime.lang;
import j2me.util.HashMap;
import j2me.util.Iterator;
import j2me.util.Map;
import com.xruby.runtime.builtin.AttrReader;
import com.xruby.runtime.builtin.AttrWriter;
import com.xruby.runtime.builtin.ObjectFactory;
import com.xruby.runtime.builtin.RubyArray;
import com.xruby.runtime.builtin.RubyMethodValue;
import com.xruby.runtime.lang.RubyKernelModule;
import com.xruby.runtime.builtin.RubyProc;
import com.xruby.runtime.builtin.RubyString;
import com.xruby.runtime.builtin.RubyTypesUtil;
//import com.xruby.runtime.lang.annotation.DummyMethod;
//import com.xruby.runtime.lang.annotation.RubyAllocMethod;
//import com.xruby.runtime.lang.annotation.RubyLevelClass;
//import com.xruby.runtime.lang.annotation.RubyLevelMethod;
/*@RubyLevelClass(name="Module", superclass="Object", dummy={
@DummyMethod(name="included", privateMethod=true),
@DummyMethod(name="extended", privateMethod=true),
@DummyMethod(name="method_added", privateMethod=true),
@DummyMethod(name="method_removed", privateMethod=true),
@DummyMethod(name="method_undefined", privateMethod=true)
})*/
public class RubyModule extends RubyObject {
protected String name_;
private RubyModule scope_ = null;//where is the module is defined under.
protected RubyClass superclass_;
private int current_access_mode_ = RubyMethod.PUBLIC;
private boolean module_methods_mode_ = false;
// protected Map/*<RubyID, RubyValue>*/ instance_varibles_ = null;
protected Map/*<RubyID, RubyMethod>*/ methods_ = new HashMap/*<RubyID, RubyMethod>*/();
protected Map/*<String, RubyValue>*/ constants_ = new HashMap/*<String, RubyValue>*/();
public RubyModule() {
super(null);
this.name_ = null;
scope_ = null;
}
public RubyModule(String name, RubyModule owner) {
super(null);
this.name_ = name;
scope_ = owner;
}
protected void doClone(RubyValue orig){
RubyModule m = (RubyModule)orig;
name_ = m.name_;
scope_ = m.scope_;
superclass_ = m.superclass_;
current_access_mode_ = m.current_access_mode_;
//instance_varibles_ = m.instance_varibles_;
methods_ = m.methods_;
constants_ = m.constants_;
super.doClone(orig);
}
public String getName() {
return name_;
}
public void setName(String name) {
name_ = name;
}
void setScope(RubyModule owner) {
this.scope_ = owner;
}
public boolean isRealModule() {
return true;
}
public boolean isRealClass() {
return false;
}
public void setAccessPublic() {
current_access_mode_ = RubyMethod.PUBLIC;
}
public void setAccessPrivate() {
current_access_mode_ = RubyMethod.PRIVATE;
}
public void setAccessMode(int access) {
current_access_mode_ = access;
}
protected RubyValue getOwnConstant(String name) {
return (RubyValue)constants_.get(name);
}
public RubyValue setConstant(String name, RubyValue value) {
constants_.put(name, value);
if (value instanceof RubyModule) {
((RubyModule)value).setName(name);
}
return value;
}
//@RubyAllocMethod
public static RubyModule allocModule(RubyValue receiver) {
RubyModule module = new RubyModule();
module.setRubyClass((RubyClass)receiver);
return module;
}
//@RubyLevelMethod(name="initialize")
public RubyValue initializeModule(RubyBlock block) {
if (block != null) {
this.module_eval(null, block);
}
return RubyConstant.QNIL;
}
public RubyValue defineMethod(String name, RubyMethod m) {
if ( module_methods_mode_ )
this.getSingletonClass().defineMethod(name, m);
return addMethod(RubyID.intern(name), m, this.current_access_mode_);
}
public RubyValue defineMethod(RubyID mid, RubyMethod m) {
if ( module_methods_mode_ )
this.getSingletonClass().defineMethod(mid, m);
return addMethod(mid, m, this.current_access_mode_);
}
public RubyValue definePrivateMethod(String name, RubyMethod m) {
return addMethod(RubyID.intern(name), m, RubyMethod.PRIVATE);
}
public void defineModuleMethod(String name, RubyMethod m) {
this.definePrivateMethod(name, m);
this.getSingletonClass().defineMethod(name, m.clone());
}
protected RubyMethod findOwnMethod(RubyID mid) {
RubyModule klass = this;
do {
RubyMethod m = (RubyMethod)klass.methods_.get(mid);
if (m != null) {
return m;
}
klass = klass.superclass_;
} while (klass != null);
return null;
}
protected RubyMethod findOwnPublicMethod(RubyID mid) {
RubyModule klass = this;
do {
RubyMethod m = (RubyMethod)klass.methods_.get(mid);
if (m != null && RubyMethod.PUBLIC == m.getAccess()) {
return m;
}
klass = klass.superclass_;
} while (klass != null);
return null;
}
public void undefMethod(String method_name) {
RubyID mid = RubyID.intern(method_name);
if (findOwnMethod(mid) == null) {
throw new RubyException(RubyRuntime.NameErrorClass, "undefined method " + mid.toString() + " for class `Object'");
}
addMethod(mid, UndefMethod.getInstance(), RubyMethod.PUBLIC);
}
public void aliasMethod(String newName, String oldName) {
RubyID oldId = RubyID.intern(oldName);
RubyMethod m = findOwnMethod(oldId);
if (null == m) {
if (this instanceof RubyModule) {
//TODO may be we should just overide this method in RubyModule
m = RubyRuntime.ObjectClass.findPublicMethod(oldId);
}
if (null == m) {
throw new RubyException(RubyRuntime.NameErrorClass, "undefined method " + oldName + " for class `Object'");
}
}
RubyID newId = RubyID.intern(newName);
methods_.put(newId, m);
}
public void collectOwnMethodNames(RubyArray a, int mode) {
// for (Map.Entry/*<RubyID, RubyMethod>*/ entry : methods_.entrySet()) {
for (Iterator iter = methods_.entrySet().iterator(); iter.hasNext();) {
Map.Entry/*<RubyID, RubyMethod>*/ entry = (Map.Entry/*<RubyID, RubyMethod>*/)iter.next();
if (entry.getKey() == RubyID.ID_ALLOCATOR) {
continue;
}
int access_mode = ((RubyMethod)entry.getValue()).getAccess();
if (RubyMethod.ALL == mode ||
(RubyMethod.NON_PRIVATE == mode && RubyMethod.PRIVATE != access_mode) ||
access_mode == mode) {
a.add(ObjectFactory.createString(entry.getKey().toString()));
}
}
}
protected RubyValue addMethod(RubyID id, RubyMethod m, int attribute) {
m.setScope(this);
m.setID(id);
m.setAccess(attribute);
if ( id != null && id.toString() != null && id.toString().equals("pretty_inspect"))
methods_.put(id, m);
else
methods_.put(id, m);
if (RubyRuntime.running && id != RubyID.ID_ALLOCATOR) {
RubyAPI.callOneArgMethod(this, id.toSymbol(), null, RubyID.methodAddedID);
}
return RubyConstant.QNIL;
}
public boolean isMethodBound(RubyID id, boolean check) {
RubyMethod m = this.findOwnMethod(id);
if (null != m && !UndefMethod.isUndef(m)) {
return true;
}
return false;
}
public boolean isKindOf(RubyModule klass) {
RubyModule m = this;
while (m != null) {
if (m == klass || m.methods_ == klass.methods_) {
return true;
}
m = m.superclass_;
}
return false;
}
private boolean isKindOf(RubyValue v) {
RubyClass cl = v.getRubyClass();
while (cl != null) {
if (cl == this || cl.methods_ == this.methods_) {
return true;
}
cl = cl.superclass_;
}
return false;
}
/// This method is only used by java classes in package 'com.xruby.runtime.builtin'.
/// It has less overhead than 'defineClass' (no hash table lookup).
/// This method is NOT used by classes compiled from ruby script.
public RubyClass defineNewClass(String name, RubyClass parent) {
if (parent == null) {
parent = RubyRuntime.ObjectClass;
}
RubyClass klass = ClassFactory.makeRubyClass(parent);
if (null != name) {
//Class can be nameless when they are created by Struct.new (e.g. Struct.new(:name, :address))
klass.setScope(this);
klass.setName(name);
constants_.put(name, klass);
}
ClassFactory.inheritedClass(parent, klass);
ObjectSpace.add(klass);
return klass;
}
private RubyClass defineClass(String name, RubyClass parent) {
RubyValue v = null;
if (null != name) {
v = (RubyValue)constants_.get(name);
}
if (null == v) {
return defineNewClass(name, parent);
}
if (!(v instanceof RubyClass)) {
throw new RubyException(RubyRuntime.TypeErrorClass, name + " is not a class");
}
RubyClass c = (RubyClass)v;
if (null != parent) {
//RHO : TODO:superclass mismatch for class - mspec/pp.rb
/*if (!c.isMyParent(parent)){
throw new RubyException(RubyRuntime.TypeErrorClass, "superclass mismatch for class "+ name);
}*/
//RHO
}
c.setAccessPublic();
return c;
}
/// define a new class or get a old one
public RubyClass defineClass(String name, RubyValue parent) {
if (null != parent && !(parent instanceof RubyClass)) {
throw new RubyException(RubyRuntime.TypeErrorClass, "superclass must be a Class (" + parent.getRubyClass().getName() + " given)");
}
return defineClass(name, null == parent ? null : (RubyClass)parent);
}
public RubyModule defineNewModule(String name) {
RubyModule m = new RubyModule(name, this);
m.setName(name);
m.setRubyClass(RubyRuntime.ModuleClass);
constants_.put(name, m);//NOTE, do not use ObjectFactory.createClass, it will cause initialization issue
return m;
}
public RubyModule defineModule(String name) {
RubyValue v = (RubyValue)constants_.get(name);
if (null == v) {
return defineNewModule(name);
}
if (!(v instanceof RubyModule) || (v instanceof RubyClass)) {
throw new RubyException(RubyRuntime.TypeErrorClass, name + " is not a module");
}
return (RubyModule)v;
}
public RubyValue getConstant(String name) {
RubyValue v = this.getOwnConstant(name);
if (null != v) {
return v;
}
if (null != scope_) {
v = this.scope_.getConstant(name);
if (null != v) {
return v;
}
}
if (null != this.superclass_) {
v = this.superclass_.getConstant(name);
if (null != v) {
return v;
}
}
return null;
}
public void to_s(RubyString s) {
if (null != scope_) {
scope_.to_s(s);
if (s.length() > 0) {
s.appendString("::");
}
}
String name = this.getName();
if (name != null) {
s.appendString(getName());
}
}
/*
* Include Module
*/
public void includeModule(RubyModule module) {
if (module == null) {
return;
}
RubyModule c = this;
boolean changed = false;
while (module != null) {
boolean superclassSeen = false;
if (c.methods_ == module.methods_) {
throw new RubyException(RubyRuntime.ArgumentErrorClass, "cyclic include detected");
}
boolean skip = false;
for (RubyClass p = this.superclass_; p != null; p = p.superclass_) {
if (p instanceof RubyIncludeClass) {
if (p.methods_ == module.methods_) {
if (!superclassSeen) {
c = p;
skip = true;
break;
}
}
} else if (p.isRealClass()) {
superclassSeen = true;
break;
}
}
if (!skip) {
c.superclass_ = new RubyIncludeClass(module, c.superclass_);
c = c.superclass_;
changed = true;
}
module = module.superclass_;
}
if (changed) {
RubyClass.resetCache();
}
}
public final void collectIncludedModuleNames(RubyArray a) {
for (RubyModule m = this; m != null; m = m.superclass_) {
if (m.isRealModule()) {
a.add(m);
} else if (m instanceof RubyIncludeClass) {
a.add(((RubyIncludeClass)m).getIncludedModule());
}
}
}
// Class object instance variable
/* public RubyValue getInstanceVariable(RubyID id) {
if (null == instance_varibles_) {
return RubyConstant.QNIL;
}
RubyValue v = (RubyValue)instance_varibles_.get(id);
return (null != v) ? v : RubyConstant.QNIL;
}
public RubyValue setInstanceVariable(RubyValue value, RubyID id) {
if (null == instance_varibles_) {
instance_varibles_ = new HashMap();//<RubyID, RubyValue>();
}
instance_varibles_.put(id, value);
return value;
}*/
// Class Variable
public RubyValue getClassVariable(String name) {
RubyModule klass = this;
RubyID id = RubyID.intern(name);
while (klass != null) {
if (klass.instance_varibles_ != null) {
RubyValue v = (RubyValue)klass.instance_varibles_.get(id);
if (v != null) {
return v;
}
}
klass = klass.superclass_;
}
throw new RubyException(RubyRuntime.NameErrorClass,
"uninitialized class variable " + name + " in " + (null == name_ ? "Object" : name_));
}
public RubyValue setClassVariable(RubyValue value, String name) {
RubyModule klass = this;
RubyID id = RubyID.intern(name);
while (klass != null) {
if (klass.instance_varibles_ != null) {
klass.instance_varibles_.put(id, value);
return value;
}
klass = klass.superclass_;
}
this.setInstanceVariable(value, id);
return value;
}
//@RubyLevelMethod(name="attr_reader", privateMethod=true)
public RubyValue attrReader(RubyArray args) {
// for (RubyValue v : args) {
for (Iterator iter = args.iterator(); iter.hasNext();) {
RubyValue v = (RubyValue)iter.next();
RubyID id = v.toID();
this.defineMethod(id, new AttrReader(id));
}
return RubyConstant.QNIL;
}
//@RubyLevelMethod(name="attr_writer", privateMethod=true)
public RubyValue attrWriter(RubyArray args) {
// for (RubyValue v : args) {
for (Iterator iter = args.iterator(); iter.hasNext();) {
RubyValue v = (RubyValue)iter.next();
RubyID id = v.toID();
this.defineMethod(id + "=", new AttrWriter(id));
}
return RubyConstant.QNIL;
}
//@RubyLevelMethod(name="attr_accessor", privateMethod=true)
public RubyValue attrAccessor(RubyArray args) {
// for (RubyValue v : args) {
for (Iterator iter = args.iterator(); iter.hasNext();) {
RubyValue v = (RubyValue)iter.next();
RubyID id = v.toID();
this.defineMethod(id, new AttrReader(id));
this.defineMethod(id + "=", new AttrWriter(id));
}
return RubyConstant.QNIL;
}
//@RubyLevelMethod(name="attr", privateMethod=true)
public RubyValue attr(RubyValue arg) {
RubyID id = arg.toID();
this.defineMethod(id, new AttrReader(id));
return RubyConstant.QNIL;
}
//@RubyLevelMethod(name="attr", privateMethod=true)
public RubyValue attr(RubyValue arg0, RubyValue arg1) {
RubyID id = arg0.toID();
this.defineMethod(id, new AttrReader(id));
if (arg1 != RubyConstant.QFALSE && arg1 != RubyConstant.QNIL) {
this.defineMethod(id + "=", new AttrWriter(id));
}
return RubyConstant.QNIL;
}
private RubyMethod setAccess(RubyID mid, int access) {
RubyMethod m = findOwnMethod(mid);
if (null == m) {
if (this instanceof RubyModule) {
//TODO may be we should just overide this method in RubyModule
m = RubyRuntime.ObjectClass.findPublicMethod(mid);
}
}
if ((null != m) && (m.getAccess() != access)) {
//RHO_COMMENT: addMethod(mid, m.clone(), access);
//addMethod(mid, m.clone(), access);
addMethod(mid, m, RubyMethod.PUBLIC);
}
return m;
}
private static void setAccess(int access, RubyModule c, RubyArray args) {
if (null == args) {
c.setAccessMode(access);
return;
}
// for (RubyValue arg : args) {
for (Iterator iter = args.iterator(); iter.hasNext();) {
RubyValue arg = (RubyValue)iter.next();
String method_name;
if (arg instanceof RubyString) {
method_name = arg.toString();
} else if (arg instanceof RubySymbol) {
method_name = arg.toString();
} else {
throw new RubyException(RubyRuntime.TypeErrorClass, arg.toString() + " is not a symbol");
}
RubyID mid = RubyID.intern(method_name);
if (c.setAccess(mid, access) == null) {
throw new RubyException(RubyRuntime.NameErrorClass, "undefined method '" + method_name + "' for " + c.getName());
}
}
}
//@RubyLevelMethod(name="public", privateMethod=true)
public RubyValue modPublic(RubyArray args) {
setAccess(RubyMethod.PUBLIC, this, args);
return this;
}
//@RubyLevelMethod(name="protected", privateMethod=true)
public RubyValue modProtected(RubyArray args) {
setAccess(RubyMethod.PROTECTED, this, args);
return this;
}
//@RubyLevelMethod(name="private", privateMethod=true)
public RubyValue modPrivate(RubyArray args) {
setAccess(RubyMethod.PRIVATE, this, args);
return this;
}
//@RubyLevelMethod(name="private_class_method")
public RubyValue private_class_method(RubyArray args) {
setAccess(RubyMethod.PRIVATE, this.getSingletonClass(), args);
return this;
}
//@RubyLevelMethod(name="public_class_method")
public RubyValue public_class_method(RubyArray args) {
setAccess(RubyMethod.PUBLIC, this.getSingletonClass(), args);
return this;
}
//@RubyLevelMethod(name="to_s", alias="name")
public RubyValue modName() {
RubyString s = ObjectFactory.createString();
this.to_s(s);
return s;
}
//@RubyLevelMethod(name="inspect")
public RubyValue rubyInspect() {
return RubyAPI.callNoArgMethod(this, null, RubyID.toSID);
}
private void checkType(RubyValue arg, RubyClass type) {
RubyClass c = arg.getRubyClass().getRealClass();
if (c != type) {
throw new RubyException(RubyRuntime.TypeErrorClass, "wrong argument type " + c.getName() + " (expected Module)");
}
}
//@RubyLevelMethod(name="append_features")
public RubyValue append_features(RubyValue arg) {
((RubyModule)arg).includeModule(this);
return this;
}
//@RubyLevelMethod(name="include", privateMethod=true)
public RubyValue include() {
return this;
}
//@RubyLevelMethod(name="include", privateMethod=true)
public RubyValue include(RubyValue arg) {
checkType(arg, RubyRuntime.ModuleClass);
RubyAPI.callOneArgMethod(arg, this, null, RubyID.append_featuresID);
RubyAPI.callOneArgMethod(arg, this, null, RubyID.includedID);
return this;
}
//@RubyLevelMethod(name="include", privateMethod=true)
public RubyValue include(RubyArray args) {
// for (RubyValue arg : args) {
for (Iterator iter = args.iterator(); iter.hasNext();) {
RubyValue arg = (RubyValue)iter.next();
checkType(arg, RubyRuntime.ModuleClass);
RubyAPI.callOneArgMethod(arg, this, null, RubyID.append_featuresID);
RubyAPI.callOneArgMethod(arg, this, null, RubyID.includedID);
}
return this;
}
//@RubyLevelMethod(name="extend_object")
public RubyValue extendObject(RubyValue arg) {
arg.getSingletonClass().includeModule(this);
return arg;
}
//@RubyLevelMethod(name="<=>")
public RubyValue opSpaceship(RubyValue arg) {
if (this == arg) {
return ObjectFactory.FIXNUM0;
}
if (!(arg instanceof RubyModule)) {
return RubyConstant.QNIL;
}
RubyModule other_module = (RubyModule) arg;
// FIXME: could be Module
if (this instanceof RubyClass && other_module instanceof RubyClass) {
RubyClass c1 = (RubyClass) this;
RubyClass c2 = (RubyClass) other_module;
if (c1.isKindOf(c2)) {
return ObjectFactory.FIXNUM_NEGATIVE_ONE;
} else if (c2.isKindOf(c1)) {
return ObjectFactory.FIXNUM1;
}
}
return RubyConstant.QNIL;
}
//@RubyLevelMethod(name="<")
public RubyValue opLt(RubyValue arg) {
if (!(arg instanceof RubyModule)) {
throw new RubyException(RubyRuntime.TypeErrorClass, "compared with non class/module");
}
return compareModule(this, arg);
}
//@RubyLevelMethod(name=">")
public RubyValue opGt(RubyValue arg) {
if (!(arg instanceof RubyModule)) {
throw new RubyException(RubyRuntime.TypeErrorClass, "compared with non class/module");
}
return compareModule(arg, this);
}
//@RubyLevelMethod(name=">=")
public RubyValue opGe(RubyValue arg) {
if (!(arg instanceof RubyModule)) {
throw new RubyException(RubyRuntime.TypeErrorClass, "compared with non class/module");
}
if (arg == this) {
return RubyConstant.QTRUE;
}
return compareModule(arg, this);
}
private static RubyValue compareModule(RubyValue module, RubyValue other_module) {
if (module == other_module) {
return RubyConstant.QFALSE;
}
if (module instanceof RubyClass && other_module instanceof RubyClass) {
RubyClass c1 = (RubyClass) module;
RubyClass c2 = (RubyClass) other_module;
if (c1.isKindOf(c2)) {
return RubyConstant.QTRUE;
} else if (c2.isKindOf(c1)) {
return RubyConstant.QFALSE;
}
}
return RubyConstant.QNIL;
}
//@RubyLevelMethod(name="===")
public RubyValue caseEqual(RubyValue arg) {
return ObjectFactory.createBoolean(this.isKindOf(arg));
}
//@RubyLevelMethod(name="ancestors")
public RubyValue ancestors() {
RubyArray r = new RubyArray();
this.collectIncludedModuleNames(r);
return r;
}
//@RubyLevelMethod(name="instance_methods")
public RubyValue instance_methods(RubyArray args) {
return get_instance_methods(this, args, RubyMethod.NON_PRIVATE);
}
//@RubyLevelMethod(name="instance_method")
public RubyValue instance_method(RubyValue arg)
{
RubyMethod m = (RubyMethod)methods_.get(arg.toID());
if ( m!= null )
return ObjectFactory.createMethod(this, arg.toStr(), m);
throw new RubyException(RubyRuntime.NameErrorClass, arg.toStr() + " is undefined");
//return get_instance_methods(this, args, RubyMethod.NON_PRIVATE);
}
//@RubyLevelMethod(name="public_instance_methods")
public RubyValue public_instance_methods(RubyArray args) {
return get_instance_methods(this, args, RubyMethod.PUBLIC);
}
//@RubyLevelMethod(name="protected_instance_methods")
public RubyValue protected_instance_methods(RubyArray args) {
return get_instance_methods(this, args, RubyMethod.PROTECTED);
}
//@RubyLevelMethod(name="private_instance_methods")
public RubyValue private_instance_methods(RubyArray args) {
return get_instance_methods(this, args, RubyMethod.PRIVATE);
}
private RubyValue get_instance_methods(RubyValue receiver, RubyArray args, int mode) {
boolean include_super = false;
if (args != null && args.get(0).isTrue()) {
include_super = true;
}
RubyArray a = new RubyArray();
if (include_super) {
((RubyClass)receiver).collectClassMethodNames(a, mode);
} else {
((RubyModule)receiver).collectOwnMethodNames(a, mode);
}
return a;
}
private void module_function(String method_name) {
RubyID mid = RubyID.intern(method_name);
RubyMethod m = findOwnMethod(mid);
if (null == m || UndefMethod.isUndef(m)) {
throw new RubyException(RubyRuntime.NoMethodErrorClass, "undefined method '" + method_name + "' for " + getName());
}
getSingletonClass().defineMethod(method_name, m);
}
//@RubyLevelMethod(name="module_function")
public RubyValue module_function() {
//module_methods_mode_ = true;
return this;
}
//@RubyLevelMethod(name="module_function")
public RubyValue module_function(RubyArray args) {
// for (RubyValue v : args) {
for (Iterator iter = args.iterator(); iter.hasNext();) {
RubyValue v = (RubyValue)iter.next();
RubySymbol s = (RubySymbol) v;
this.module_function(s.toString());
}
return this;
}
//@RubyLevelMethod(name="module_eval", alias="class_eval")
public RubyValue module_eval(RubyArray args, RubyBlock block) {
//TODO duplicated code: instance_eval
if (null == args && null == block) {
throw new RubyException(RubyRuntime.ArgumentErrorClass, "block not supplied");
}
if (null != args) {
RubyBinding binding = new RubyBinding();
binding.setScope(this);
binding.setSelf(this);
return RubyKernelModule.eval(args.get(0).toStr(), binding);
} else {
block.setScope(this);
block.setSelf(this);
return block.invoke(this);
}
}
//@RubyLevelMethod(name="const_get")
public RubyValue constGet(RubyValue arg) {
RubySymbol s = RubyTypesUtil.convertToSymbol(arg);
return RubyAPI.getConstant(this, s.toString());
}
//@RubyLevelMethod(name="const_set")
public RubyValue constSet(RubyValue arg1, RubyValue arg2) {
RubySymbol s = RubyTypesUtil.convertToSymbol(arg1);
return RubyAPI.setConstant(arg2, this, s.toString());
}
//RHO_COMMENT:
//@RubyLevelMethod(name="const_defined?")
public RubyValue isConstDefined(RubyValue arg) {
RubySymbol s = RubyTypesUtil.convertToSymbol(arg);
return RubyAPI.isConstantDefined(this, s.toString());
}
public RubyValue getConstants()
{
RubyArray arRes = new RubyArray();
j2me.util.Set keys = constants_.keySet();
Iterator iter = keys.iterator();
while( iter.hasNext() )
{
arRes.add( ObjectFactory.createSymbol((String)iter.next()));
}
return arRes;
}
//@RubyLevelMethod(name="method_defined?")
public RubyValue isMethodDefined(RubyValue arg) {
RubySymbol s = RubyTypesUtil.convertToSymbol(arg);
return RubyAPI.isDefinedNonPrivateMethod(this, s.toString()) != RubyConstant.QNIL ?
RubyConstant.QTRUE : RubyConstant.QFALSE;
}
//@RubyLevelMethod(name="method_defined?")
public RubyValue isPublicMethodDefined(RubyValue arg) {
RubySymbol s = RubyTypesUtil.convertToSymbol(arg);
return RubyAPI.isDefinedPublicMethod(this, this, s.toString()) != RubyConstant.QNIL ?
RubyConstant.QTRUE : RubyConstant.QFALSE;
}
private static class RubyVarArgMethodImpl extends RubyVarArgMethod{
RubyBlock b_;
RubyVarArgMethodImpl(RubyBlock b)
{
b_ = b;
}
protected RubyValue run(RubyValue _receiver, RubyArray _args, RubyBlock _block) {
b_.setSelf(_receiver);
b_.setArgsOfCurrentMethod(_args);
return b_.invoke(_receiver, _args);
}
public RubyMethod clone()
{
RubyVarArgMethodImpl cl = new RubyVarArgMethodImpl(b_);
cl.doClone(this);
return cl;
}
};
//@RubyLevelMethod(name="define_method")
public RubyValue define_method(RubyArray args, RubyBlock block) {
final RubyBlock b;
if (null != args && args.size() == 1 && null != block) {
b = block;
} else {
b = ((RubyProc)args.get(1)).getBlock();
}
String name = RubyTypesUtil.convertToJavaString(args.get(0));
/* RubyMethod method = new RubyVarArgMethod() {
protected RubyValue run(RubyValue _receiver, RubyArray _args, RubyBlock _block) {
b.setSelf(_receiver);
b.setArgsOfCurrentMethod(_args);
return b.invoke(_receiver, _args);
}
};*/
//RHO_COMMENT: RubyVarArgMethod
RubyMethod method = new RubyVarArgMethodImpl(b);
b.setCurrentMethod(method);
return this.defineMethod(name, method);
}
//@RubyLevelMethod(name="remove_method")
public RubyValue remove_method(RubyArray args) {
// for (RubyValue arg : args) {
for (Iterator iter = args.iterator(); iter.hasNext();) {
RubyValue arg = (RubyValue)iter.next();
String method_name = RubyTypesUtil.convertToJavaString(arg);
this.undefMethod(method_name);
}
return this;
}
// //@RubyLevelMethod(name="new")
// public static RubyValue newModule(RubyValue receiver, RubyBlock block) {
// return RubyAPI.defineModule("");
// }
//@RubyLevelMethod(name="alias_method")
public RubyValue alias_method(RubyValue arg1, RubyValue arg2) {
aliasMethod(arg1.toStr(), arg2.toStr());
return this;
}
//@RubyLevelMethod(name="undef_method")
public RubyValue undef_method(RubyValue symbol) {
undefMethod(symbol.toStr());
return this;
}
public static void initDummyMethods(RubyClass klass){
klass.definePrivateMethod("included", new RubyOneArgMethod(){
protected RubyValue run(RubyValue receiver, RubyValue arg, RubyBlock block)