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- /* *******************************************************************
- * Copyright (c) 2005 IBM
- * 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:
- * Andy Clement initial implementation
- * ******************************************************************/
-
- package org.aspectj.weaver.patterns;
-
- import java.io.IOException;
- import java.util.Map;
-
- import org.aspectj.bridge.IMessage;
- import org.aspectj.bridge.ISourceLocation;
- import org.aspectj.bridge.Message;
- import org.aspectj.util.FuzzyBoolean;
- import org.aspectj.weaver.Advice;
- import org.aspectj.weaver.AjcMemberMaker;
- import org.aspectj.weaver.CompressingDataOutputStream;
- import org.aspectj.weaver.ISourceContext;
- import org.aspectj.weaver.Member;
- import org.aspectj.weaver.PerTypeWithinTargetTypeMunger;
- import org.aspectj.weaver.ResolvedType;
- import org.aspectj.weaver.ResolvedTypeMunger;
- 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.Expr;
- import org.aspectj.weaver.ast.Literal;
- import org.aspectj.weaver.ast.Test;
-
- // PTWIMPL Represents a parsed pertypewithin()
- public class PerTypeWithin extends PerClause {
-
- private TypePattern typePattern;
-
- // Any shadow could be considered within a pertypewithin() type pattern
- private static final int kindSet = Shadow.ALL_SHADOW_KINDS_BITS;
-
- public TypePattern getTypePattern() {
- return typePattern;
- }
-
- public PerTypeWithin(TypePattern p) {
- typePattern = p;
- }
-
- public Object accept(PatternNodeVisitor visitor, Object data) {
- return visitor.visit(this, data);
- }
-
- public int couldMatchKinds() {
- return kindSet;
- }
-
- public Pointcut parameterizeWith(Map<String,UnresolvedType> typeVariableMap, World w) {
- PerTypeWithin ret = new PerTypeWithin(typePattern.parameterizeWith(typeVariableMap, w));
- ret.copyLocationFrom(this);
- return ret;
- }
-
- // -----
- public FuzzyBoolean fastMatch(FastMatchInfo info) {
- if (typePattern.annotationPattern instanceof AnyAnnotationTypePattern) {
- return isWithinType(info.getType());
- }
- return FuzzyBoolean.MAYBE;
- }
-
- protected FuzzyBoolean matchInternal(Shadow shadow) {
- ResolvedType enclosingType = shadow.getIWorld().resolve(shadow.getEnclosingType(), true);
- if (enclosingType.isMissing()) {
- // PTWIMPL ?? Add a proper message
- IMessage msg = new Message("Cant find type pertypewithin matching...", shadow.getSourceLocation(), true,
- new ISourceLocation[] { getSourceLocation() });
- shadow.getIWorld().getMessageHandler().handleMessage(msg);
- }
-
- // See pr106554 - we can't put advice calls in an interface when the
- // advice is defined
- // in a pertypewithin aspect - the JPs only exist in the static
- // initializer and can't
- // call the localAspectOf() method.
- if (enclosingType.isInterface()) {
- return FuzzyBoolean.NO;
- }
-
- typePattern.resolve(shadow.getIWorld());
- return isWithinType(enclosingType);
- }
-
- public void resolveBindings(IScope scope, Bindings bindings) {
- typePattern = typePattern.resolveBindings(scope, bindings, false, false);
- }
-
- protected Test findResidueInternal(Shadow shadow, ExposedState state) {
- // Member ptwField =
- // AjcMemberMaker.perTypeWithinField(shadow.getEnclosingType
- // (),inAspect);
-
- Expr myInstance = Expr.makeCallExpr(AjcMemberMaker.perTypeWithinLocalAspectOf(shadow.getEnclosingType(), inAspect/*
- * shadow.
- * getEnclosingType
- * ( )
- */),
- Expr.NONE, inAspect);
- state.setAspectInstance(myInstance);
-
- // this worked at one point
- // Expr myInstance =
- // Expr.makeFieldGet(ptwField,shadow.getEnclosingType()
- // .resolve(shadow.getIWorld()));//inAspect);
- // state.setAspectInstance(myInstance);
-
- // return Test.makeFieldGetCall(ptwField,null,Expr.NONE);
- // cflowField, cflowCounterIsValidMethod, Expr.NONE
-
- // This is what is in the perObject variant of this ...
- // Expr myInstance =
- // Expr.makeCallExpr(AjcMemberMaker.perTypeWithinAspectOfMethod(inAspect)
- // ,
- // new Expr[] {getVar(shadow)}, inAspect);
- // state.setAspectInstance(myInstance);
- // return
- // Test.makeCall(AjcMemberMaker.perTypeWithinHasAspectMethod(inAspect),
- // new Expr[] { getVar(shadow) });
- //
-
- return match(shadow).alwaysTrue() ? Literal.TRUE : Literal.FALSE;
- }
-
- public PerClause concretize(ResolvedType inAspect) {
- PerTypeWithin ret = new PerTypeWithin(typePattern);
- ret.copyLocationFrom(this);
- ret.inAspect = inAspect;
- if (inAspect.isAbstract()) {
- return ret;
- }
-
- World world = inAspect.getWorld();
-
- SignaturePattern sigpat = new SignaturePattern(Member.STATIC_INITIALIZATION, ModifiersPattern.ANY, TypePattern.ANY,
- TypePattern.ANY,// typePattern,
- NamePattern.ANY, TypePatternList.ANY, ThrowsPattern.ANY, AnnotationTypePattern.ANY);
-
- Pointcut staticInitStar = new KindedPointcut(Shadow.StaticInitialization, sigpat);
- Pointcut withinTp = new WithinPointcut(typePattern);
- Pointcut andPcut = new AndPointcut(staticInitStar, withinTp);
- // We want the pointcut to be 'staticinitialization(*) &&
- // within(<typepattern>' -
- // we *cannot* shortcut this to staticinitialization(<typepattern>)
- // because it
- // doesnt mean the same thing.
-
- // This munger will initialize the aspect instance field in the matched
- // type
-
- inAspect.crosscuttingMembers.addConcreteShadowMunger(Advice.makePerTypeWithinEntry(world, andPcut, inAspect));
-
- ResolvedTypeMunger munger = new PerTypeWithinTargetTypeMunger(inAspect, ret);
- inAspect.crosscuttingMembers.addTypeMunger(world.getWeavingSupport().concreteTypeMunger(munger, inAspect));
-
- // ATAJ: add a munger to add the aspectOf(..) to the @AJ aspects
- if (inAspect.isAnnotationStyleAspect() && !inAspect.isAbstract()) {
- inAspect.crosscuttingMembers.addLateTypeMunger(world.getWeavingSupport().makePerClauseAspect(inAspect, getKind()));
- }
-
- // ATAJ inline around advice support - don't use a late munger to allow
- // around inling for itself
- if (inAspect.isAnnotationStyleAspect() && !world.isXnoInline()) {
- inAspect.crosscuttingMembers.addTypeMunger(world.getWeavingSupport().createAccessForInlineMunger(inAspect));
- }
-
- return ret;
-
- }
-
- public void write(CompressingDataOutputStream s) throws IOException {
- PERTYPEWITHIN.write(s);
- typePattern.write(s);
- writeLocation(s);
- }
-
- public static PerClause readPerClause(VersionedDataInputStream s, ISourceContext context) throws IOException {
- PerClause ret = new PerTypeWithin(TypePattern.read(s, context));
- ret.readLocation(context, s);
- return ret;
- }
-
- public PerClause.Kind getKind() {
- return PERTYPEWITHIN;
- }
-
- public String toString() {
- return "pertypewithin(" + typePattern + ")";
- }
-
- public String toDeclarationString() {
- return toString();
- }
-
- private FuzzyBoolean isWithinType(ResolvedType type) {
- while (type != null) {
- if (typePattern.matchesStatically(type)) {
- return FuzzyBoolean.YES;
- }
- type = type.getDeclaringType();
- }
- return FuzzyBoolean.NO;
- }
-
- public boolean equals(Object other) {
- if (!(other instanceof PerTypeWithin)) {
- return false;
- }
- PerTypeWithin pc = (PerTypeWithin) other;
- return ((pc.inAspect == null) ? (inAspect == null) : pc.inAspect.equals(inAspect))
- && ((pc.typePattern == null) ? (typePattern == null) : pc.typePattern.equals(typePattern));
- }
-
- public int hashCode() {
- int result = 17;
- result = 37 * result + ((inAspect == null) ? 0 : inAspect.hashCode());
- result = 37 * result + ((typePattern == null) ? 0 : typePattern.hashCode());
- return result;
- }
-
- }
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