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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 v1.0
- * which accompanies this distribution and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * PARC initial implementation
- * ******************************************************************/
-
- package org.aspectj.weaver.patterns;
-
- import java.io.IOException;
- import java.util.Map;
-
- import org.aspectj.util.FuzzyBoolean;
- import org.aspectj.weaver.CompressingDataOutputStream;
- import org.aspectj.weaver.ISourceContext;
- import org.aspectj.weaver.IntMap;
- import org.aspectj.weaver.ResolvedType;
- import org.aspectj.weaver.Shadow;
- import org.aspectj.weaver.VersionedDataInputStream;
- import org.aspectj.weaver.World;
- import org.aspectj.weaver.ast.Test;
-
- public class OrPointcut extends Pointcut {
- Pointcut left, right;
- private int couldMatchKinds;
-
- public OrPointcut(Pointcut left, Pointcut right) {
- super();
- this.left = left;
- this.right = right;
- setLocation(left.getSourceContext(), left.getStart(), right.getEnd());
- this.pointcutKind = OR;
- this.couldMatchKinds = left.couldMatchKinds() | right.couldMatchKinds();
- }
-
- public int couldMatchKinds() {
- return couldMatchKinds;
- }
-
- public FuzzyBoolean fastMatch(FastMatchInfo type) {
- return left.fastMatch(type).or(right.fastMatch(type));
- }
-
- protected FuzzyBoolean matchInternal(Shadow shadow) {
- FuzzyBoolean leftMatch = left.match(shadow);
- if (leftMatch.alwaysTrue()) {
- return leftMatch;
- }
- return leftMatch.or(right.match(shadow));
- }
-
- public String toString() {
- return "(" + left.toString() + " || " + right.toString() + ")";
- }
-
- public boolean equals(Object other) {
- if (!(other instanceof OrPointcut)) {
- return false;
- }
- OrPointcut o = (OrPointcut) other;
- return o.left.equals(left) && o.right.equals(right);
- }
-
- public int hashCode() {
- int result = 31;
- result = 37 * result + left.hashCode();
- result = 37 * result + right.hashCode();
- return result;
- }
-
- /**
- * @see org.aspectj.weaver.patterns.Pointcut#resolveBindings(IScope, Bindings)
- */
- public void resolveBindings(IScope scope, Bindings bindings) {
- Bindings old = bindings == null ? null : bindings.copy();
-
- left.resolveBindings(scope, bindings);
- right.resolveBindings(scope, old);
- if (bindings != null) {
- bindings.checkEquals(old, scope);
- }
-
- }
-
- public void write(CompressingDataOutputStream s) throws IOException {
- s.writeByte(Pointcut.OR);
- left.write(s);
- right.write(s);
- writeLocation(s);
- }
-
- public static Pointcut read(VersionedDataInputStream s, ISourceContext context) throws IOException {
- OrPointcut ret = new OrPointcut(Pointcut.read(s, context), Pointcut.read(s, context));
- ret.readLocation(context, s);
- return ret;
-
- }
-
- protected Test findResidueInternal(Shadow shadow, ExposedState state) {
- return Test.makeOr(left.findResidue(shadow, state), right.findResidue(shadow, state));
- }
-
- public Pointcut concretize1(ResolvedType inAspect, ResolvedType declaringType, IntMap bindings) {
- Pointcut ret = new OrPointcut(left.concretize(inAspect, declaringType, bindings), right.concretize(inAspect, declaringType,
- bindings));
- ret.copyLocationFrom(this);
- return ret;
- }
-
- public Pointcut parameterizeWith(Map typeVariableMap, World w) {
- Pointcut ret = new OrPointcut(left.parameterizeWith(typeVariableMap, w), right.parameterizeWith(typeVariableMap, w));
- ret.copyLocationFrom(this);
- return ret;
- }
-
- public Pointcut getLeft() {
- return left;
- }
-
- public Pointcut getRight() {
- return right;
- }
-
- public Object accept(PatternNodeVisitor visitor, Object data) {
- return visitor.visit(this, data);
- }
-
- public Object traverse(PatternNodeVisitor visitor, Object data) {
- Object ret = accept(visitor, data);
- left.traverse(visitor, ret);
- right.traverse(visitor, ret);
- return ret;
- }
- }
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