123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250 |
- /* *******************************************************************
- * 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.IMessage;
- import org.aspectj.bridge.ISourceLocation;
- import org.aspectj.bridge.MessageUtil;
- 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.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 ArgsAnnotationPointcut extends NameBindingPointcut {
-
- private AnnotationPatternList arguments;
- private String declarationText;
-
- /**
- *
- */
- public ArgsAnnotationPointcut(AnnotationPatternList arguments) {
- super();
- this.arguments = arguments;
- this.pointcutKind = ATARGS;
- buildDeclarationText();
- }
-
- public AnnotationPatternList getArguments() {
- return arguments;
- }
-
- public int couldMatchKinds() {
- return Shadow.ALL_SHADOW_KINDS_BITS; // empty args() matches jps with no args
- }
-
- public Pointcut parameterizeWith(Map typeVariableMap, World w) {
- ArgsAnnotationPointcut ret = new ArgsAnnotationPointcut(arguments.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) {
- arguments.resolve(shadow.getIWorld());
- FuzzyBoolean ret = arguments.matches(shadow.getIWorld().resolve(shadow.getArgTypes()));
- return ret;
- }
-
- /*
- * (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.ATARGS_ONLY_SUPPORTED_AT_JAVA5_LEVEL),
- getSourceLocation()));
- return;
- }
- arguments.resolveBindings(scope, bindings, true);
- if (arguments.ellipsisCount > 1) {
- scope.message(IMessage.ERROR, this, "uses more than one .. in args (compiler limitation)");
- }
- }
-
- /*
- * (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) {
- if (isDeclare(bindings.getEnclosingAdvice())) {
- // Enforce rule about which designators are supported in declare
- inAspect.getWorld().showMessage(IMessage.ERROR, WeaverMessages.format(WeaverMessages.ARGS_IN_DECLARE),
- bindings.getEnclosingAdvice().getSourceLocation(), null);
- return Pointcut.makeMatchesNothing(Pointcut.CONCRETE);
- }
- AnnotationPatternList list = arguments.resolveReferences(bindings);
- Pointcut ret = new ArgsAnnotationPointcut(list);
- 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) {
- int len = shadow.getArgCount();
-
- // do some quick length tests first
- int numArgsMatchedByEllipsis = (len + arguments.ellipsisCount) - arguments.size();
- if (numArgsMatchedByEllipsis < 0) {
- return Literal.FALSE; // should never happen
- }
- if ((numArgsMatchedByEllipsis > 0) && (arguments.ellipsisCount == 0)) {
- return Literal.FALSE; // should never happen
- }
- // now work through the args and the patterns, skipping at ellipsis
- Test ret = Literal.TRUE;
- int argsIndex = 0;
- for (int i = 0; i < arguments.size(); i++) {
- if (arguments.get(i) == AnnotationTypePattern.ELLIPSIS) {
- // match ellipsisMatchCount args
- argsIndex += numArgsMatchedByEllipsis;
- } else if (arguments.get(i) == AnnotationTypePattern.ANY) {
- argsIndex++;
- } else {
- // match the argument type at argsIndex with the ExactAnnotationTypePattern
- // we know it is exact because nothing else is allowed in args
- ExactAnnotationTypePattern ap = (ExactAnnotationTypePattern) arguments.get(i);
- UnresolvedType argType = shadow.getArgType(argsIndex);
- ResolvedType rArgType = argType.resolve(shadow.getIWorld());
- if (rArgType.isMissing()) {
- shadow.getIWorld().getLint().cantFindType.signal(new String[] { WeaverMessages.format(
- WeaverMessages.CANT_FIND_TYPE_ARG_TYPE, argType.getName()) }, shadow.getSourceLocation(),
- new ISourceLocation[] { getSourceLocation() });
- // IMessage msg = new Message(
- // WeaverMessages.format(WeaverMessages.CANT_FIND_TYPE_ARG_TYPE,argType.getName()),
- // "",IMessage.ERROR,shadow.getSourceLocation(),null,new ISourceLocation[]{getSourceLocation()});
- }
-
- ResolvedType rAnnType = ap.getAnnotationType().resolve(shadow.getIWorld());
- if (ap instanceof BindingAnnotationTypePattern) {
- BindingAnnotationTypePattern btp = (BindingAnnotationTypePattern) ap;
- Var annvar = shadow.getArgAnnotationVar(argsIndex, rAnnType);
- state.set(btp.getFormalIndex(), annvar);
- }
- if (!ap.matches(rArgType).alwaysTrue()) {
- // we need a test...
- ret = Test.makeAnd(ret, Test.makeHasAnnotation(shadow.getArgVar(argsIndex), rAnnType));
- }
- argsIndex++;
- }
- }
- return ret;
- }
-
- public List<BindingPattern> getBindingAnnotationTypePatterns() {
- List<BindingPattern> l = new ArrayList<>();
- AnnotationTypePattern[] pats = arguments.getAnnotationPatterns();
- for (AnnotationTypePattern pat : pats) {
- if (pat instanceof BindingAnnotationTypePattern) {
- l.add((BindingPattern) pat);
- }
- }
- return l;
- }
-
- public List<BindingTypePattern> getBindingTypePatterns() {
- return Collections.emptyList();
- }
-
- public void write(CompressingDataOutputStream s) throws IOException {
- s.writeByte(Pointcut.ATARGS);
- arguments.write(s);
- writeLocation(s);
- }
-
- public static Pointcut read(VersionedDataInputStream s, ISourceContext context) throws IOException {
- AnnotationPatternList annotationPatternList = AnnotationPatternList.read(s, context);
- ArgsAnnotationPointcut ret = new ArgsAnnotationPointcut(annotationPatternList);
- ret.readLocation(context, s);
- return ret;
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#equals(java.lang.Object)
- */
- public boolean equals(Object obj) {
- if (!(obj instanceof ArgsAnnotationPointcut)) {
- return false;
- }
- ArgsAnnotationPointcut other = (ArgsAnnotationPointcut) obj;
- return other.arguments.equals(arguments);
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#hashCode()
- */
- public int hashCode() {
- return 17 + 37 * arguments.hashCode();
- }
-
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#toString()
- */
- private void buildDeclarationText() {
- StringBuilder buf = new StringBuilder("@args");
- buf.append(arguments.toString());
- this.declarationText = buf.toString();
- }
-
- public String toString() {
- return this.declarationText;
- }
-
- public Object accept(PatternNodeVisitor visitor, Object data) {
- return visitor.visit(this, data);
- }
- }
|