Sha256: 92f70d02c65146474171af887411d963d58275a6bf7af7d6a45294bb82c6d6e0
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Size: 1.96 KB
Versions: 135
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Stored size: 1.96 KB
Contents
/**
* Copyright 2005-2007 Ye Zheng
* Distributed under the BSD License
*/
package com.xruby.runtime.lang;
public class RubySingletonClass extends RubyClass {
private RubyValue owner_;
public RubySingletonClass(RubyValue owner, RubyClass superclass, RubyModule scope) {
super(null, superclass, scope);
owner_ = owner;
owner.setRubyClass(this);
this.setInstanceVariable(owner, RubyID.attachedID);
if (owner instanceof RubySingletonClass) {
RubySingletonClass klass = (RubySingletonClass)owner;
this.setRubyClass(this);
RubyClass singletonsuper = klass.getSuperClass().getRealClass().getRubyClass();
klass.setSuperClass(singletonsuper);
} else {
RubyClass metasuper = superclass.getRealClass().getRubyClass();
if (metasuper != null) {
this.setRubyClass(metasuper);
}
}
}
public RubyValue getConstant(String name) {
RubyValue v = getOwnConstant(name);
if (null != v) {
return v;
}
if (owner_ instanceof RubyModule) {
v = ((RubyModule)owner_).getConstant(name);
if (null != v) {
return v;
}
}
//TODO this will call 'getOwnConstant' again, which is a waste of time
return super.getConstant(name);
}
public RubyValue getClassVariable(String name) {
if (owner_ instanceof RubyModule) {
return ((RubyModule)owner_).getClassVariable(name);
} else {
return super.getClassVariable(name);
}
}
public boolean isSingleton() {
return true;
}
public boolean isRealClass() {
return false;
}
public RubyValue allocObject(RubyBlock block) {
throw new RubyException(RubyRuntime.TypeErrorClass, "can't create instance of virtual class");
}
}
Version data entries
135 entries across 135 versions & 2 rubygems