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/* *******************************************************************
* Copyright (c) 2005 Contributors.
* All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0
* which accompanies this distribution and is available at
* http://eclipse.org/legal/epl-v10.html
*
* Contributors:
* Adrian Colyer Initial implementation
* ******************************************************************/
package org.aspectj.ajdt.internal.compiler.lookup;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
//import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ParameterizedMethodBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.ReferenceBinding;
/**
* Many routines in the JDT compiler use methodBinding.declaringClass to get
* the class that owns a method in order to perform checks etc.
* For inter-type declared methods, the declaringClass will be the aspect,
* and the owningClass will be the onType of the ITD. We need to ensure that
* JDT always sees the appropriate type.
*/
public aspect OwningClassSupportForMethodBindings {
/**
* This method is overriden by InterTypeMethodBinding to return the onType instead
*/
public ReferenceBinding MethodBinding.getOwningClass() {
return declaringClass;
}
// /**
// * ParameterizedMethodBindings are backed by the "original" method
// * they parameterize. The real owning class is the one owned by that.
// */
// public ReferenceBinding ParameterizedMethodBinding.getOwningClass() {
// if (this.declaringClass == original().declaringClass) {
// // the declaring class is unchanged across this method binding and
// // its backing ("original") method binding, therefore it is safe
// // to use the owningClass() of the original
// return original().getOwningClass();
// } else {
// // the declaring class has been changed across this method binding
// // and its original, so we mustn't go back to the original method
// // for the answer, just use whatever we've got.
// // This situation can happen if e.g. a ParameterizedGenericMethodBinding
// // has as its original method a ParameterizedMethodBinding
// return declaringClass;
// }
// }
/**
* This aspect handles the switch from declaringClass to owningClass()
*/
declare warning : call(* MethodBinding.getOwningClass())
&& !within(OwningClassSupportForMethodBindings)
: "owningClass() support is handled by OwningClassSupportForMethodBindings aspect"; //$NON-NLS-1$
pointcut accessingDeclaringTypeOfAMethodBinding(MethodBinding aBinding) :
get(* MethodBinding.declaringClass) && target(aBinding);
pointcut redirectedDeclaringClassAccesses(MethodBinding aBinding) :
accessingDeclaringTypeOfAMethodBinding(aBinding) &&
!within(OwningClassSupportForMethodBindings) &&
!withincode(* MethodBinding.canBeSeenBy(..)) && // must be based on aspect type here
!withincode(MethodBinding.new(..)); // allow binding to initialise properly
Object around(MethodBinding aBinding) : redirectedDeclaringClassAccesses(aBinding) {
return aBinding.getOwningClass();
}
}