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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 v1.0
- * which accompanies this distribution and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * 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.Advice;
- import org.aspectj.weaver.AjcMemberMaker;
- import org.aspectj.weaver.CompressingDataOutputStream;
- import org.aspectj.weaver.ISourceContext;
- import org.aspectj.weaver.PerObjectInterfaceTypeMunger;
- import org.aspectj.weaver.ResolvedType;
- import org.aspectj.weaver.ResolvedTypeMunger;
- import org.aspectj.weaver.Shadow;
- import org.aspectj.weaver.VersionedDataInputStream;
- import org.aspectj.weaver.World;
- import org.aspectj.weaver.ast.Expr;
- import org.aspectj.weaver.ast.Test;
- import org.aspectj.weaver.ast.Var;
-
- public class PerObject extends PerClause {
- private final boolean isThis;
- private final Pointcut entry;
-
- private static final int thisKindSet;
- private static final int targetKindSet;
-
- static {
- int thisFlags = Shadow.ALL_SHADOW_KINDS_BITS;
- int targFlags = Shadow.ALL_SHADOW_KINDS_BITS;
- for (int i = 0; i < Shadow.SHADOW_KINDS.length; i++) {
- Shadow.Kind kind = Shadow.SHADOW_KINDS[i];
- if (kind.neverHasThis()) {
- thisFlags -= kind.bit;
- }
- if (kind.neverHasTarget()) {
- targFlags -= kind.bit;
- }
- }
- thisKindSet = thisFlags;
- targetKindSet = targFlags;
- }
-
- public PerObject(Pointcut entry, boolean isThis) {
- this.entry = entry;
- this.isThis = isThis;
- }
-
- public Object accept(PatternNodeVisitor visitor, Object data) {
- return visitor.visit(this, data);
- }
-
- public int couldMatchKinds() {
- return isThis ? thisKindSet : targetKindSet;
- }
-
- // -----
- public FuzzyBoolean fastMatch(FastMatchInfo type) {
- return FuzzyBoolean.MAYBE;
- }
-
- protected FuzzyBoolean matchInternal(Shadow shadow) {
- // System.err.println("matches " + this + " ? " + shadow + ", " +
- // shadow.hasTarget());
- // ??? could probably optimize this better by testing could match
- if (isThis) {
- return FuzzyBoolean.fromBoolean(shadow.hasThis());
- } else {
- return FuzzyBoolean.fromBoolean(shadow.hasTarget());
- }
- }
-
- public void resolveBindings(IScope scope, Bindings bindings) {
- // assert bindings == null;
- entry.resolve(scope);
- }
-
- public Pointcut parameterizeWith(Map typeVariableMap, World w) {
- PerObject ret = new PerObject(entry.parameterizeWith(typeVariableMap, w), isThis);
- ret.copyLocationFrom(this);
- return ret;
- }
-
- private Var getVar(Shadow shadow) {
- return isThis ? shadow.getThisVar() : shadow.getTargetVar();
- }
-
- protected Test findResidueInternal(Shadow shadow, ExposedState state) {
- Expr myInstance = Expr.makeCallExpr(AjcMemberMaker.perObjectAspectOfMethod(inAspect), new Expr[] { getVar(shadow) },
- inAspect);
- state.setAspectInstance(myInstance);
- return Test.makeCall(AjcMemberMaker.perObjectHasAspectMethod(inAspect), new Expr[] { getVar(shadow) });
- }
-
- public PerClause concretize(ResolvedType inAspect) {
- PerObject ret = new PerObject(entry, isThis);
-
- ret.inAspect = inAspect;
- if (inAspect.isAbstract()) {
- return ret;
- }
-
- World world = inAspect.getWorld();
-
- Pointcut concreteEntry = entry.concretize(inAspect, inAspect, 0, null);
- // concreteEntry = new AndPointcut(this, concreteEntry);
- // concreteEntry.state = Pointcut.CONCRETE;
- inAspect.crosscuttingMembers.addConcreteShadowMunger(Advice.makePerObjectEntry(world, concreteEntry, isThis, inAspect));
-
- // FIXME AV - don't use lateMunger here due to test
- // "inheritance, around advice and abstract pointcuts"
- // see #75442 thread. Issue with weaving order.
- ResolvedTypeMunger munger = new PerObjectInterfaceTypeMunger(inAspect, concreteEntry);
- inAspect.crosscuttingMembers.addLateTypeMunger(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(inAspect.getWorld().getWeavingSupport().makePerClauseAspect(inAspect,
- getKind()));
- }
-
- // ATAJ inline around advice support - don't use a late munger to allow
- // around inling for itself
- if (inAspect.isAnnotationStyleAspect() && !inAspect.getWorld().isXnoInline()) {
- inAspect.crosscuttingMembers.addTypeMunger(world.getWeavingSupport().createAccessForInlineMunger(inAspect));
- }
-
- return ret;
- }
-
- public void write(CompressingDataOutputStream s) throws IOException {
- PEROBJECT.write(s);
- entry.write(s);
- s.writeBoolean(isThis);
- writeLocation(s);
- }
-
- public static PerClause readPerClause(VersionedDataInputStream s, ISourceContext context) throws IOException {
- PerClause ret = new PerObject(Pointcut.read(s, context), s.readBoolean());
- ret.readLocation(context, s);
- return ret;
- }
-
- public PerClause.Kind getKind() {
- return PEROBJECT;
- }
-
- public boolean isThis() {
- return isThis;
- }
-
- public String toString() {
- return "per" + (isThis ? "this" : "target") + "(" + entry + ")";
- }
-
- public String toDeclarationString() {
- return toString();
- }
-
- public Pointcut getEntry() {
- return entry;
- }
-
- public boolean equals(Object other) {
- if (!(other instanceof PerObject)) {
- return false;
- }
- PerObject pc = (PerObject) other;
- return (pc.isThis && isThis) && ((pc.inAspect == null) ? (inAspect == null) : pc.inAspect.equals(inAspect))
- && ((pc.entry == null) ? (entry == null) : pc.entry.equals(entry));
- }
-
- public int hashCode() {
- int result = 17;
- result = 37 * result + (isThis ? 0 : 1);
- result = 37 * result + ((inAspect == null) ? 0 : inAspect.hashCode());
- result = 37 * result + ((entry == null) ? 0 : entry.hashCode());
- return result;
- }
- }
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