123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241 |
- /* *******************************************************************
- * Copyright (c) 2004 IBM Corporation.
- * 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
- *
- * ******************************************************************/
- package org.aspectj.weaver.patterns;
-
- import java.io.IOException;
- import java.util.ArrayList;
- import java.util.Collections;
- import java.util.List;
- import java.util.Map;
-
- import org.aspectj.bridge.ISourceLocation;
- import org.aspectj.bridge.MessageUtil;
- import org.aspectj.util.FuzzyBoolean;
- import org.aspectj.weaver.BCException;
- 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.ShadowMunger;
- import org.aspectj.weaver.UnresolvedType;
- import org.aspectj.weaver.VersionedDataInputStream;
- import org.aspectj.weaver.WeaverMessages;
- import org.aspectj.weaver.World;
- import org.aspectj.weaver.ast.Literal;
- import org.aspectj.weaver.ast.Test;
- import org.aspectj.weaver.ast.Var;
-
- /**
- * @author colyer
- *
- * TODO To change the template for this generated type comment go to Window - Preferences - Java - Code Style - Code
- * Templates
- */
- public class WithinAnnotationPointcut extends NameBindingPointcut {
-
- private AnnotationTypePattern annotationTypePattern;
- private String declarationText;
-
- /**
- *
- */
- public WithinAnnotationPointcut(AnnotationTypePattern type) {
- super();
- this.annotationTypePattern = type;
- this.pointcutKind = ATWITHIN;
- buildDeclarationText();
- }
-
- public WithinAnnotationPointcut(AnnotationTypePattern type, ShadowMunger munger) {
- this(type);
- this.pointcutKind = ATWITHIN;
- }
-
- public AnnotationTypePattern getAnnotationTypePattern() {
- return annotationTypePattern;
- }
-
- @Override
- public int couldMatchKinds() {
- return Shadow.ALL_SHADOW_KINDS_BITS;
- }
-
- @Override
- public Pointcut parameterizeWith(Map<String,UnresolvedType> typeVariableMap, World w) {
- WithinAnnotationPointcut ret = new WithinAnnotationPointcut(this.annotationTypePattern.parameterizeWith(typeVariableMap, w));
- ret.copyLocationFrom(this);
- return ret;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.aspectj.weaver.patterns.Pointcut#fastMatch(org.aspectj.weaver.patterns.FastMatchInfo)
- */
- @Override
- public FuzzyBoolean fastMatch(FastMatchInfo info) {
- return annotationTypePattern.fastMatches(info.getType());
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.aspectj.weaver.patterns.Pointcut#match(org.aspectj.weaver.Shadow)
- */
- @Override
- protected FuzzyBoolean matchInternal(Shadow shadow) {
- ResolvedType enclosingType = shadow.getIWorld().resolve(shadow.getEnclosingType(), true);
- if (enclosingType.isMissing()) {
- shadow.getIWorld().getLint().cantFindType.signal(new String[] { WeaverMessages.format(
- WeaverMessages.CANT_FIND_TYPE_WITHINPCD, shadow.getEnclosingType().getName()) }, shadow.getSourceLocation(),
- new ISourceLocation[] { getSourceLocation() });
- // IMessage msg = new Message(
- // WeaverMessages.format(WeaverMessages.CANT_FIND_TYPE_WITHINPCD,
- // shadow.getEnclosingType().getName()),
- // shadow.getSourceLocation(),true,new ISourceLocation[]{getSourceLocation()});
- // shadow.getIWorld().getMessageHandler().handleMessage(msg);
- }
- annotationTypePattern.resolve(shadow.getIWorld());
- return annotationTypePattern.matches(enclosingType);
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.aspectj.weaver.patterns.Pointcut#resolveBindings(org.aspectj.weaver.patterns.IScope,
- * org.aspectj.weaver.patterns.Bindings)
- */
- @Override
- protected void resolveBindings(IScope scope, Bindings bindings) {
- if (!scope.getWorld().isInJava5Mode()) {
- scope.message(MessageUtil.error(WeaverMessages.format(WeaverMessages.ATWITHIN_ONLY_SUPPORTED_AT_JAVA5_LEVEL),
- getSourceLocation()));
- return;
- }
- annotationTypePattern = annotationTypePattern.resolveBindings(scope, bindings, true);
- // must be either a Var, or an annotation type pattern
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.aspectj.weaver.patterns.Pointcut#concretize1(org.aspectj.weaver.ResolvedType, org.aspectj.weaver.IntMap)
- */
- @Override
- protected Pointcut concretize1(ResolvedType inAspect, ResolvedType declaringType, IntMap bindings) {
- ExactAnnotationTypePattern newType = (ExactAnnotationTypePattern) annotationTypePattern.remapAdviceFormals(bindings);
- Pointcut ret = new WithinAnnotationPointcut(newType, bindings.getEnclosingAdvice());
- ret.copyLocationFrom(this);
- return ret;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.aspectj.weaver.patterns.Pointcut#findResidue(org.aspectj.weaver.Shadow, org.aspectj.weaver.patterns.ExposedState)
- */
- @Override
- protected Test findResidueInternal(Shadow shadow, ExposedState state) {
- if (annotationTypePattern instanceof BindingAnnotationTypePattern) {
- BindingAnnotationTypePattern btp = (BindingAnnotationTypePattern) annotationTypePattern;
- UnresolvedType annotationType = btp.annotationType;
- Var var = shadow.getWithinAnnotationVar(annotationType);
-
- // This should not happen, we shouldn't have gotten this far
- // if we weren't going to find the annotation
- if (var == null) {
- throw new BCException("Impossible! annotation=[" + annotationType + "] shadow=[" + shadow + " at "
- + shadow.getSourceLocation() + "] pointcut is at [" + getSourceLocation() + "]");
- }
-
- state.set(btp.getFormalIndex(), var);
- }
- return match(shadow).alwaysTrue() ? Literal.TRUE : Literal.FALSE;
- }
-
- @Override
- public List<BindingPattern> getBindingAnnotationTypePatterns() {
- if (annotationTypePattern instanceof BindingAnnotationTypePattern) {
- List<BindingPattern> l = new ArrayList<BindingPattern>();
- l.add((BindingPattern)annotationTypePattern);
- return l;
- } else {
- return Collections.emptyList();
- }
- }
-
- @Override
- public List<BindingTypePattern> getBindingTypePatterns() {
- return Collections.emptyList();
- }
-
- @Override
- public void write(CompressingDataOutputStream s) throws IOException {
- s.writeByte(Pointcut.ATWITHIN);
- annotationTypePattern.write(s);
- writeLocation(s);
- }
-
- public static Pointcut read(VersionedDataInputStream s, ISourceContext context) throws IOException {
- AnnotationTypePattern type = AnnotationTypePattern.read(s, context);
- WithinAnnotationPointcut ret = new WithinAnnotationPointcut(type);
- ret.readLocation(context, s);
- return ret;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#equals(java.lang.Object)
- */
- @Override
- public boolean equals(Object obj) {
- if (!(obj instanceof WithinAnnotationPointcut)) {
- return false;
- }
- WithinAnnotationPointcut other = (WithinAnnotationPointcut) obj;
- return other.annotationTypePattern.equals(this.annotationTypePattern);
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#hashCode()
- */
- @Override
- public int hashCode() {
- return 17 + 19 * annotationTypePattern.hashCode();
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#toString()
- */
- private void buildDeclarationText() {
- StringBuffer buf = new StringBuffer();
- buf.append("@within(");
- String annPatt = annotationTypePattern.toString();
- buf.append(annPatt.startsWith("@") ? annPatt.substring(1) : annPatt);
- buf.append(")");
- this.declarationText = buf.toString();
- }
-
- @Override
- public String toString() {
- return this.declarationText;
- }
-
- @Override
- public Object accept(PatternNodeVisitor visitor, Object data) {
- return visitor.visit(this, data);
- }
- }
|