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AspectJ tools most notably contains the AspectJ compiler (AJC). AJC applies aspects to Java classes during compilation, fully replacing Javac for plain Java classes and also compiling native AspectJ or annotation-based @AspectJ syntax. Furthermore, AJC can weave aspects into existing class files in a post-compile binary weaving step. This library is a superset of AspectJ weaver and hence also of AspectJ runtime.

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/* *******************************************************************
 * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
 * All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *     PARC     initial implementation
 * ******************************************************************/


package org.aspectj.ajdt.internal.compiler.lookup;

import org.aspectj.ajdt.internal.compiler.ast.AspectDeclaration;
import org.aspectj.org.eclipse.jdt.internal.compiler.impl.Constant;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.FieldBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.InvocationSite;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.Scope;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.SyntheticMethodBinding;
import org.aspectj.org.eclipse.jdt.internal.compiler.lookup.TypeBinding;
import org.aspectj.weaver.AjcMemberMaker;
import org.aspectj.weaver.ResolvedMember;


/**
 * Used for field references within the body of an around advice
 * to force the use of public access methods.  This makes it possible
 * for around advice to be inlined into any shadow to which it applies.
 *
 * ??? this is very similar to PrivilegedFieldBinding and is somewhat related
 *     to InterTypeFieldBinding.  Maybe they have a common supertype?
 *
 * @author Jim Hugunin
 */
public class InlineAccessFieldBinding extends FieldBinding {
	public SimpleSyntheticAccessMethodBinding reader;
	public SimpleSyntheticAccessMethodBinding writer;


	public FieldBinding baseField;

	public InlineAccessFieldBinding(AspectDeclaration inAspect, FieldBinding baseField, ResolvedMember resolvedField) {
		super(baseField, baseField.declaringClass);

		this.reader = new SimpleSyntheticAccessMethodBinding(
			inAspect.factory.makeMethodBinding(
				AjcMemberMaker.inlineAccessMethodForFieldGet(
					inAspect.typeX, resolvedField
			)));
		this.writer = new SimpleSyntheticAccessMethodBinding(inAspect.factory.makeMethodBinding(
				AjcMemberMaker.inlineAccessMethodForFieldSet(
					inAspect.typeX, resolvedField
			)));

		this.constant = Constant.NotAConstant;
		this.baseField = baseField;
	}


	public boolean canBeSeenBy(TypeBinding receiverType, InvocationSite invocationSite, Scope scope) {
		return true;
	}

	public SyntheticMethodBinding getAccessMethod(boolean isReadAccess) {
		if (isReadAccess) return reader;
		else return writer;
	}

	public boolean alwaysNeedsAccessMethod(boolean isReadAccess) { return true; }

	public FieldBinding getFieldBindingForLookup() { return baseField; }


	public String toString() { return "InlineAccess(" + baseField + ")"; }
}