enh 48072 - ICrossReferenceHandler support to get xref info from the weaver

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/core/builder/AjBuildManager.java

@@ -185,7 +185,7 @@ public class AjBuildManager {
     
     /** init only on initial batch compile? no file-specific options */
 	private void initBcelWorld(IMessageHandler handler) throws IOException {
-		bcelWorld = new BcelWorld(buildConfig.getClasspath(), handler);
+		bcelWorld = new BcelWorld(buildConfig.getClasspath(), handler, null);
 		bcelWorld.setXnoInline(buildConfig.isXnoInline());
 		bcelWeaver = new BcelWeaver(bcelWorld);
 		

weaver/src/org/aspectj/weaver/Checker.java

@@ -15,6 +15,7 @@ package org.aspectj.weaver;
 
 import java.util.*;
 
+import org.aspectj.asm.IRelationship;
 import org.aspectj.bridge.*;
 import org.aspectj.weaver.patterns.*;
 
@@ -54,7 +55,13 @@ public class Checker extends ShadowMunger {
                 new ISourceLocation[]{this.getSourceLocation()});
 			world.getMessageHandler().handleMessage(message);
 			
-			AsmRelationshipProvider.checkerMunger(world.getModel(), shadow, this);
+			if (world.xrefHandler != null) {
+				world.xrefHandler.addCrossReference(this.getSourceLocation(),shadow.getSourceLocation(),IRelationship.Kind.DECLARE);
+			}
+			
+			if (world.getModel() != null) {
+				AsmRelationshipProvider.checkerMunger(world.getModel(), shadow, this);
+			}
 		}
 		return false;
 	}

weaver/src/org/aspectj/weaver/ICrossReferenceHandler.java

@@ -0,0 +1,25 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.aspectj.weaver;
+
+import org.aspectj.asm.IRelationship;
+import org.aspectj.bridge.ISourceLocation;
+
+/**
+ * Clients can pass a single cross-reference handler to the weaver on construction
+ * of a BcelWorld. Any cross-references detected during munging will be notified
+ * to the handler.
+ */
+public interface ICrossReferenceHandler {
+
+	void addCrossReference(ISourceLocation from, ISourceLocation to, IRelationship.Kind kind);
+	
+}

weaver/src/org/aspectj/weaver/Shadow.java

@@ -19,6 +19,7 @@ import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
+import org.aspectj.asm.IRelationship;
 import org.aspectj.bridge.*;
 import org.aspectj.bridge.MessageUtil;
 import org.aspectj.lang.JoinPoint;
@@ -338,6 +339,11 @@ public abstract class Shadow {
 		for (Iterator iter = mungers.iterator(); iter.hasNext();) {
 			ShadowMunger munger = (ShadowMunger) iter.next();
 			munger.implementOn(this);
+			
+			if (world.xrefHandler != null) {
+				world.xrefHandler.addCrossReference(munger.getSourceLocation(),this.getSourceLocation(),IRelationship.Kind.ADVICE);
+			}
+			
 			if (world.getModel() != null) {
 				//System.err.println("munger: " + munger + " on " + this);
 				AsmRelationshipProvider.adviceMunger(world.getModel(), this, munger);

weaver/src/org/aspectj/weaver/World.java

@@ -30,6 +30,7 @@ import org.aspectj.weaver.patterns.Pointcut;
 
 public abstract class World {
 	protected IMessageHandler messageHandler = IMessageHandler.SYSTEM_ERR;
+	protected ICrossReferenceHandler xrefHandler = null;
 
     protected Map typeMap = new HashMap(); // Signature to ResolvedType
     
@@ -241,6 +242,10 @@ public abstract class World {
 		this.messageHandler = messageHandler;
 	}
 	
+	public void setXRefHandler(ICrossReferenceHandler xrefHandler) {
+		this.xrefHandler = xrefHandler;
+	}
+	
 	public void showMessage(
 		Kind kind,
 		String message,

weaver/src/org/aspectj/weaver/bcel/BcelWorld.java

@@ -38,6 +38,7 @@ import org.aspectj.weaver.Advice;
 import org.aspectj.weaver.AdviceKind;
 import org.aspectj.weaver.AjAttribute;
 import org.aspectj.weaver.ConcreteTypeMunger;
+import org.aspectj.weaver.ICrossReferenceHandler;
 import org.aspectj.weaver.Member;
 import org.aspectj.weaver.ResolvedMember;
 import org.aspectj.weaver.ResolvedTypeMunger;
@@ -61,7 +62,7 @@ public class BcelWorld extends World {
 	}
 	
 	public BcelWorld(String cp) {
-		this(makeDefaultClasspath(cp), IMessageHandler.THROW);
+		this(makeDefaultClasspath(cp), IMessageHandler.THROW, null);
 	}
 	
 	private static List makeDefaultClasspath(String cp) {
@@ -82,10 +83,11 @@ public class BcelWorld extends World {
       	return ret;
 	}
 	
-	public BcelWorld(List classPath, IMessageHandler handler) {
+	public BcelWorld(List classPath, IMessageHandler handler, ICrossReferenceHandler xrefHandler) {
 		//this.aspectPath = new ClassPathManager(aspectPath, handler);
 		this.classPath = new ClassPathManager(classPath, handler);
 		setMessageHandler(handler);	
+		setXRefHandler(xrefHandler);
 	}
 	
 	public void addPath (String name) {