PrivilegedFieldBinding.java

/* *******************************************************************
 * 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;

public class PrivilegedFieldBinding extends FieldBinding {
	public SimpleSyntheticAccessMethodBinding reader;
	public SimpleSyntheticAccessMethodBinding writer;

	public FieldBinding baseField;

	public PrivilegedFieldBinding(AspectDeclaration inAspect, FieldBinding baseField) {
		super(baseField, baseField.declaringClass);

		this.reader = new SimpleSyntheticAccessMethodBinding(inAspect.factory.makeMethodBinding(AjcMemberMaker
				.privilegedAccessMethodForFieldGet(inAspect.typeX, inAspect.factory.makeResolvedMember(baseField), true)));
		this.writer = new SimpleSyntheticAccessMethodBinding(inAspect.factory.makeMethodBinding(AjcMemberMaker
				.privilegedAccessMethodForFieldSet(inAspect.typeX, inAspect.factory.makeResolvedMember(baseField), true)));

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

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

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

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

	public FieldBinding getFieldBindingForLookup() {
		return baseField;
	}

	public String toString() {
		return "PrivilegedWrapper(" + baseField + ")";
	}
	// public ReferenceBinding getTargetType() {
	// return introducedField.declaringClass;
	// }

}