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- /* *******************************************************************
- * 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 v 2.0
- * which accompanies this distribution and is available at
- * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
- *
- * ******************************************************************/
- 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.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.Member;
- import org.aspectj.weaver.NameMangler;
- import org.aspectj.weaver.ResolvedMember;
- 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 WithinCodeAnnotationPointcut extends NameBindingPointcut {
-
- private ExactAnnotationTypePattern annotationTypePattern;
- private String declarationText;
-
- private static final int matchedShadowKinds;
- static {
- int flags = Shadow.ALL_SHADOW_KINDS_BITS;
- for (int i = 0; i < Shadow.SHADOW_KINDS.length; i++) {
- if (Shadow.SHADOW_KINDS[i].isEnclosingKind()) {
- flags -= Shadow.SHADOW_KINDS[i].bit;
- }
- }
- matchedShadowKinds = flags;
- }
-
- public WithinCodeAnnotationPointcut(ExactAnnotationTypePattern type) {
- super();
- this.annotationTypePattern = type;
- this.pointcutKind = Pointcut.ATWITHINCODE;
- buildDeclarationText();
- }
-
- public WithinCodeAnnotationPointcut(ExactAnnotationTypePattern type, ShadowMunger munger) {
- this(type);
- this.pointcutKind = Pointcut.ATWITHINCODE;
- }
-
- public ExactAnnotationTypePattern getAnnotationTypePattern() {
- return annotationTypePattern;
- }
-
- public int couldMatchKinds() {
- return matchedShadowKinds;
- }
-
- public Pointcut parameterizeWith(Map<String,UnresolvedType> typeVariableMap, World w) {
- WithinCodeAnnotationPointcut ret = new WithinCodeAnnotationPointcut((ExactAnnotationTypePattern) this.annotationTypePattern
- .parameterizeWith(typeVariableMap, w));
- ret.copyLocationFrom(this);
- return ret;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.aspectj.weaver.patterns.Pointcut#fastMatch(org.aspectj.weaver.patterns.FastMatchInfo)
- */
- public FuzzyBoolean fastMatch(FastMatchInfo info) {
- return FuzzyBoolean.MAYBE;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.aspectj.weaver.patterns.Pointcut#match(org.aspectj.weaver.Shadow)
- */
- protected FuzzyBoolean matchInternal(Shadow shadow) {
- Member member = shadow.getEnclosingCodeSignature();
- ResolvedMember rMember = member.resolve(shadow.getIWorld());
-
- if (rMember == null) {
- if (member.getName().startsWith(NameMangler.PREFIX)) {
- return FuzzyBoolean.NO;
- }
- shadow.getIWorld().getLint().unresolvableMember.signal(member.toString(), getSourceLocation());
- return FuzzyBoolean.NO;
- }
-
- annotationTypePattern.resolve(shadow.getIWorld());
- return annotationTypePattern.matches(rMember);
- }
-
- /*
- * (non-Javadoc)
- *
- * @see org.aspectj.weaver.patterns.Pointcut#resolveBindings(org.aspectj.weaver.patterns.IScope,
- * org.aspectj.weaver.patterns.Bindings)
- */
- protected void resolveBindings(IScope scope, Bindings bindings) {
- if (!scope.getWorld().isInJava5Mode()) {
- scope.message(MessageUtil.error(WeaverMessages.format(WeaverMessages.ATWITHINCODE_ONLY_SUPPORTED_AT_JAVA5_LEVEL),
- getSourceLocation()));
- return;
- }
- annotationTypePattern = (ExactAnnotationTypePattern) 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)
- */
- protected Pointcut concretize1(ResolvedType inAspect, ResolvedType declaringType, IntMap bindings) {
- ExactAnnotationTypePattern newType = (ExactAnnotationTypePattern) annotationTypePattern.remapAdviceFormals(bindings);
- Pointcut ret = new WithinCodeAnnotationPointcut(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)
- */
- protected Test findResidueInternal(Shadow shadow, ExposedState state) {
-
- if (annotationTypePattern instanceof BindingAnnotationTypePattern) {
- BindingAnnotationTypePattern btp = (BindingAnnotationTypePattern) annotationTypePattern;
- UnresolvedType annotationType = btp.annotationType;
- Var var = shadow.getWithinCodeAnnotationVar(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);
- }
- if (matchInternal(shadow).alwaysTrue()) {
- return Literal.TRUE;
- } else {
- return Literal.FALSE;
- }
- }
-
- public List<BindingPattern> getBindingAnnotationTypePatterns() {
- if (annotationTypePattern instanceof BindingAnnotationTypePattern) {
- List<BindingPattern> l = new ArrayList<>();
- l.add((BindingPattern)annotationTypePattern);
- return l;
- } else {
- return Collections.emptyList();
- }
- }
-
- public List<BindingTypePattern> getBindingTypePatterns() {
- return Collections.emptyList();
- }
-
- public void write(CompressingDataOutputStream s) throws IOException {
- s.writeByte(Pointcut.ATWITHINCODE);
- annotationTypePattern.write(s);
- writeLocation(s);
- }
-
- public static Pointcut read(VersionedDataInputStream s, ISourceContext context) throws IOException {
- AnnotationTypePattern type = AnnotationTypePattern.read(s, context);
- WithinCodeAnnotationPointcut ret = new WithinCodeAnnotationPointcut((ExactAnnotationTypePattern) type);
- ret.readLocation(context, s);
- return ret;
- }
-
- public boolean equals(Object other) {
- if (!(other instanceof WithinCodeAnnotationPointcut)) {
- return false;
- }
- WithinCodeAnnotationPointcut o = (WithinCodeAnnotationPointcut) other;
- return o.annotationTypePattern.equals(this.annotationTypePattern);
- }
-
- public int hashCode() {
- int result = 17;
- result = 23 * result + annotationTypePattern.hashCode();
- return result;
- }
-
- private void buildDeclarationText() {
- StringBuilder buf = new StringBuilder();
- buf.append("@withincode(");
- String annPatt = annotationTypePattern.toString();
- buf.append(annPatt.startsWith("@") ? annPatt.substring(1) : annPatt);
- buf.append(")");
- this.declarationText = buf.toString();
- }
-
- public String toString() {
- return this.declarationText;
- }
-
- 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.annotationTypePattern != null)
- this.annotationTypePattern.traverse(visitor, ret);
- return ret;
- }
- }
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