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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 Common Public License v1.0
- * which accompanies this distribution and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * Contributors:
- * PARC initial implementation
- * ******************************************************************/
-
-
- package org.aspectj.weaver.patterns;
-
- import java.io.DataInputStream;
- import java.io.DataOutputStream;
- import java.io.IOException;
- import java.lang.reflect.Modifier;
- import java.util.ArrayList;
- import java.util.Collection;
- import java.util.List;
- import java.util.Set;
-
- import org.aspectj.util.FuzzyBoolean;
- import org.aspectj.weaver.Advice;
- import org.aspectj.weaver.AjcMemberMaker;
- import org.aspectj.weaver.CrosscuttingMembers;
- import org.aspectj.weaver.ISourceContext;
- import org.aspectj.weaver.Member;
- import org.aspectj.weaver.NameMangler;
- import org.aspectj.weaver.ResolvedMember;
- import org.aspectj.weaver.ResolvedTypeX;
- import org.aspectj.weaver.Shadow;
- import org.aspectj.weaver.TypeX;
- import org.aspectj.weaver.World;
- import org.aspectj.weaver.ast.Expr;
- import org.aspectj.weaver.ast.Test;
-
- public class PerCflow extends PerClause {
- private boolean isBelow;
- private Pointcut entry;
-
- public PerCflow(Pointcut entry, boolean isBelow) {
- this.entry = entry;
- this.isBelow = isBelow;
- }
-
- // -----
-
- public Set couldMatchKinds() {
- return Shadow.ALL_SHADOW_KINDS;
- }
-
- public FuzzyBoolean fastMatch(FastMatchInfo type) {
- return FuzzyBoolean.MAYBE;
- }
-
- protected FuzzyBoolean matchInternal(Shadow shadow) {
- return FuzzyBoolean.YES;
- }
-
- public void resolveBindings(IScope scope, Bindings bindings) {
- // assert bindings == null;
- entry.resolve(scope);
- }
-
- protected Test findResidueInternal(Shadow shadow, ExposedState state) {
- Expr myInstance =
- Expr.makeCallExpr(AjcMemberMaker.perCflowAspectOfMethod(inAspect),
- Expr.NONE, inAspect);
- state.setAspectInstance(myInstance);
- return Test.makeCall(AjcMemberMaker.perCflowHasAspectMethod(inAspect), Expr.NONE);
- }
-
-
- public PerClause concretize(ResolvedTypeX inAspect) {
- PerCflow ret = new PerCflow(entry, isBelow);
- ret.inAspect = inAspect;
- if (inAspect.isAbstract()) return ret;
-
- Member cflowStackField = new ResolvedMember(
- Member.FIELD, inAspect, Modifier.STATIC|Modifier.PUBLIC|Modifier.FINAL,
- TypeX.forName(NameMangler.CFLOW_STACK_TYPE), NameMangler.PERCFLOW_FIELD_NAME, TypeX.NONE);
-
- World world = inAspect.getWorld();
-
- CrosscuttingMembers xcut = inAspect.crosscuttingMembers;
-
- Collection previousCflowEntries = xcut.getCflowEntries();
- Pointcut concreteEntry = entry.concretize(inAspect, 0, null); //IntMap.EMPTY);
- List innerCflowEntries = new ArrayList(xcut.getCflowEntries());
- innerCflowEntries.removeAll(previousCflowEntries);
-
- xcut.addConcreteShadowMunger(
- Advice.makePerCflowEntry(world, concreteEntry, isBelow, cflowStackField,
- inAspect, innerCflowEntries));
- return ret;
- }
-
- public void write(DataOutputStream s) throws IOException {
- PERCFLOW.write(s);
- entry.write(s);
- s.writeBoolean(isBelow);
- writeLocation(s);
- }
-
- public static PerClause readPerClause(DataInputStream s, ISourceContext context) throws IOException {
- PerCflow ret = new PerCflow(Pointcut.read(s, context), s.readBoolean());
- ret.readLocation(context, s);
- return ret;
- }
-
- public PerClause.Kind getKind() {
- return PERCFLOW;
- }
-
- public String toString() {
- return "percflow(" + inAspect + " on " + entry + ")";
- }
- }
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