/*
***** BEGIN LICENSE BLOCK *****
* Version: EPL 2.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse Public
* License Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/epl-v20.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2014 Timur Duehr <tduehr@gmail.com>
*
* 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"),
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package org.jruby;
import java.util.Collections;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import org.jruby.internal.runtime.methods.DynamicMethod;
import org.jruby.internal.runtime.methods.RefinedMarker;
This class is used as an intermediate superclass for Module#prepend
See Also: - IncludedModuleWrapper
- RubyModule
/**
* This class is used as an intermediate superclass for Module#prepend
*
* @see org.jruby.IncludedModuleWrapper
* @see org.jruby.RubyModule
*/
public class PrependedModule extends IncludedModule {
public PrependedModule(Ruby runtime, RubyClass superClass, RubyModule klass) {
super(runtime, superClass, klass);
this.methods = klass.methods;
klass.methods = Collections.EMPTY_MAP;
klass.methodLocation = this;
for (Map.Entry<String, DynamicMethod> entry : methods.entrySet()) {
DynamicMethod method = entry.getValue();
if (moveRefinedMethod(entry.getKey(), method, klass)) {
methods.remove(entry.getKey());
}
}
}
Transfer refined methods from the prepend stub to the origin as markers so they trigger refinements
MRI: move_refined_method
/**
* Transfer refined methods from the prepend stub to the origin as markers so they trigger refinements
*
* MRI: move_refined_method
*/
private boolean moveRefinedMethod(String key, DynamicMethod method, RubyModule klass) {
if (method.isRefined()) {
if (method instanceof RefinedMarker) {
// marker, add to actual class and remove from prepend
klass.getMethodsForWrite().put(key, method);
return true;
} else {
// real method as refinement, add marker to actual class
klass.getMethodsForWrite().put(key, new RefinedMarker(klass, method.getVisibility(), method.getName()));
return false;
}
}
else {
return false;
}
}
@Override
public void addMethod(String id, DynamicMethod method) {
super.addMethod(id, method);
method.setDefinedClass(origin);
}
@Override
public boolean isPrepended() {
return true;
}
}