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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.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.UnresolvedType;
import org.aspectj.weaver.VersionedDataInputStream;
import org.aspectj.weaver.World;
import org.aspectj.weaver.ast.Test;
public class NotPointcut extends Pointcut {
private Pointcut body;
public NotPointcut(Pointcut negated) {
super();
this.body = negated;
this.pointcutKind = NOT;
setLocation(negated.getSourceContext(), negated.getStart(), negated.getEnd()); // should that be at least start-1?
}
public NotPointcut(Pointcut pointcut, int startPos) {
this(pointcut);
setLocation(pointcut.getSourceContext(), startPos, pointcut.getEnd());
}
@Override
public int couldMatchKinds() {
return Shadow.ALL_SHADOW_KINDS_BITS;
}
public Pointcut getNegatedPointcut() {
return body;
}
@Override
public FuzzyBoolean fastMatch(FastMatchInfo type) {
return body.fastMatch(type).not();
}
@Override
protected FuzzyBoolean matchInternal(Shadow shadow) {
return body.match(shadow).not();
}
@Override
public String toString() {
return "!" + body.toString();
}
@Override
public boolean equals(Object other) {
if (!(other instanceof NotPointcut)) {
return false;
}
NotPointcut o = (NotPointcut) other;
return o.body.equals(body);
}
@Override
public int hashCode() {
return 37 * 23 + body.hashCode();
}
@Override
public void resolveBindings(IScope scope, Bindings bindings) {
// Bindings old = bindings.copy();
// Bindings newBindings = new Bindings(bindings.size());
body.resolveBindings(scope, null);
// newBindings.checkEmpty(scope, "negation does not allow binding");
// bindings.checkEquals(old, scope);
}
@Override
public void write(CompressingDataOutputStream s) throws IOException {
s.writeByte(Pointcut.NOT);
body.write(s);
writeLocation(s);
}
public static Pointcut read(VersionedDataInputStream s, ISourceContext context) throws IOException {
NotPointcut ret = new NotPointcut(Pointcut.read(s, context));
ret.readLocation(context, s);
return ret;
}
@Override
protected Test findResidueInternal(Shadow shadow, ExposedState state) {
return Test.makeNot(body.findResidue(shadow, state));
}
@Override
public Pointcut concretize1(ResolvedType inAspect, ResolvedType declaringType, IntMap bindings) {
Pointcut ret = new NotPointcut(body.concretize(inAspect, declaringType, bindings));
ret.copyLocationFrom(this);
return ret;
}
@Override
public Pointcut parameterizeWith(Map<String,UnresolvedType> typeVariableMap, World w) {
Pointcut ret = new NotPointcut(body.parameterizeWith(typeVariableMap, w));
ret.copyLocationFrom(this);
return ret;
}
@Override
public Object accept(PatternNodeVisitor visitor, Object data) {
return visitor.visit(this, data);
}
@Override
public Object traverse(PatternNodeVisitor visitor, Object data) {
Object ret = accept(visitor, data);
if (this.body != null)
this.body.traverse(visitor, ret);
return ret;
}
}
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