From be5b37f766faa5086aebcc4c751742ce4fb3458a Mon Sep 17 00:00:00 2001
From: acolyer <acolyer>
Date: Thu, 11 Sep 2003 08:46:16 +0000
Subject: [PATCH] remember source location and handle identifier across
 invocations

---
 .../weaver/AsmRelationshipProvider.java       | 14 +++++-----
 .../src/org/aspectj/weaver/ShadowMunger.java  | 26 +++++++++++++++----
 2 files changed, 28 insertions(+), 12 deletions(-)

diff --git a/weaver/src/org/aspectj/weaver/AsmRelationshipProvider.java b/weaver/src/org/aspectj/weaver/AsmRelationshipProvider.java
index d2c837c65..bd4d72876 100644
--- a/weaver/src/org/aspectj/weaver/AsmRelationshipProvider.java
+++ b/weaver/src/org/aspectj/weaver/AsmRelationshipProvider.java
@@ -15,7 +15,6 @@ package org.aspectj.weaver;
 
 import java.util.ArrayList;
 import java.util.Iterator;
-
 import org.aspectj.asm.*;
 import org.aspectj.asm.internal.ProgramElement;
 import org.aspectj.bridge.ISourceLocation;
@@ -61,12 +60,13 @@ public class AsmRelationshipProvider {
 				return;
 			}
 			IRelationshipMap mapper = AsmManager.getDefault().getRelationshipMap();
-			IProgramElement targetNode = getNode(AsmManager.getDefault().getHierarchy(), shadow);
-			if (advice.getSourceLocation() != null && targetNode != null) {
-				String adviceHandle = ProgramElement.createHandleIdentifier(
-					advice.getSourceLocation().getSourceFile(),
-					advice.getSourceLocation().getLine(),
-					advice.getSourceLocation().getColumn());
+			IProgramElement targetNode = getNode(AsmManager.getDefault().getHierarchy(), shadow);			
+			String adviceHandle = advice.getHandle(); 
+			if (adviceHandle != null && targetNode != null) {
+//				ProgramElement.createHandleIdentifier(
+//					advice.getSourceLocation().getSourceFile(),
+//					advice.getSourceLocation().getLine(),
+//					advice.getSourceLocation().getColumn());
 		
 				if (targetNode != null) {
 					String targetHandle = targetNode.getHandleIdentifier();	
diff --git a/weaver/src/org/aspectj/weaver/ShadowMunger.java b/weaver/src/org/aspectj/weaver/ShadowMunger.java
index a8cf1dd80..57c629ff2 100644
--- a/weaver/src/org/aspectj/weaver/ShadowMunger.java
+++ b/weaver/src/org/aspectj/weaver/ShadowMunger.java
@@ -15,6 +15,7 @@ package org.aspectj.weaver;
 
 import java.util.Collection;
 
+import org.aspectj.asm.internal.ProgramElement;
 import org.aspectj.bridge.ISourceLocation;
 import org.aspectj.util.PartialOrder;
 import org.aspectj.weaver.patterns.PerClause;
@@ -38,6 +39,8 @@ public abstract class ShadowMunger implements PartialOrder.PartialComparable, IH
 	// these three fields hold the source location of this munger
 	protected int start, end;
 	protected ISourceContext sourceContext;
+	private ISourceLocation sourceLocation;
+	private String handle = null;
 
 	
 	public ShadowMunger(Pointcut pointcut, int start, int end, ISourceContext sourceContext) {
@@ -72,14 +75,27 @@ public abstract class ShadowMunger implements PartialOrder.PartialComparable, IH
 	}
 	
     public ISourceLocation getSourceLocation() {
-    	//System.out.println("get context: " + this + " is " + sourceContext);
-    	if (sourceContext == null) {
-    		//System.err.println("no context: " + this);
-    		return null;
+    	if (sourceLocation == null) {
+	    	if (sourceContext != null) {
+				sourceLocation = sourceContext.makeSourceLocation(this);
+	    	}
     	}
-    	return sourceContext.makeSourceLocation(this);
+    	return sourceLocation;
     }
 
+	public String getHandle() {
+		if (null == handle) {
+			ISourceLocation sl = getSourceLocation();
+			if (sl != null) {
+				handle = ProgramElement.createHandleIdentifier(
+				            sl.getSourceFile(),
+				            sl.getLine(),
+				            sl.getColumn());
+			}
+		}
+		return handle;
+	}
+
 	// ---- fields
 	
     public static final ShadowMunger[] NONE = new ShadowMunger[0];
-- 
2.39.5