From 8c5d8d3a13b7c6bb8243da5eb686ddc1149b981e Mon Sep 17 00:00:00 2001
From: aclement <aclement>
Date: Wed, 28 Jan 2009 00:39:21 +0000
Subject: [PATCH] refactoring to make around advice lvt fixes easier to apply -
 and make the code a bit clearer

---
 .../org/aspectj/weaver/bcel/BcelShadow.java   | 24 +++++++++++++------
 .../bcel/MoveInstructionsWeaveTestCase.java   | 10 ++++----
 2 files changed, 23 insertions(+), 11 deletions(-)

diff --git a/weaver/src/org/aspectj/weaver/bcel/BcelShadow.java b/weaver/src/org/aspectj/weaver/bcel/BcelShadow.java
index ddc6ab6df..9db743319 100644
--- a/weaver/src/org/aspectj/weaver/bcel/BcelShadow.java
+++ b/weaver/src/org/aspectj/weaver/bcel/BcelShadow.java
@@ -2138,12 +2138,12 @@ public class BcelShadow extends Shadow {
 		enclosingMethod.setCanInline(false);
 
 		// start by exposing various useful things into the frame
-		final InstructionFactory fact = getFactory();
 
 		// now generate the aroundBody method
 		// eg. "private static final void method_aroundBody0(M, M, String, org.aspectj.lang.JoinPoint)"
 		LazyMethodGen extractedShadowMethod = extractShadowInstructionsIntoNewMethod(NameMangler.aroundShadowMethodName(
-				getSignature(), new Integer(getEnclosingClass().getNewGeneratedNameTag()).toString()), Modifier.PRIVATE, munger);
+				getSignature(), new Integer(getEnclosingClass().getNewGeneratedNameTag()).toString()), Modifier.PRIVATE, munger
+				.getSourceLocation());
 
 		List argsToCallLocalAdviceMethodWith = new ArrayList();
 		List proceedVarList = new ArrayList();
@@ -2225,6 +2225,8 @@ public class BcelShadow extends Shadow {
 			varMap.put(i - extraParamOffset, i);
 		}
 
+		final InstructionFactory fact = getFactory();
+
 		localAdviceMethod.getBody().insert(
 				BcelClassWeaver.genInlineInstructions(adviceMethod, localAdviceMethod, varMap, fact, true));
 
@@ -2693,7 +2695,7 @@ public class BcelShadow extends Shadow {
 		int linenumber = getSourceLine();
 		// MOVE OUT ALL THE INSTRUCTIONS IN MY SHADOW INTO ANOTHER METHOD!
 		LazyMethodGen callbackMethod = extractShadowInstructionsIntoNewMethod(NameMangler.aroundShadowMethodName(getSignature(),
-				new Integer(getEnclosingClass().getNewGeneratedNameTag()).toString()), 0, munger);
+				new Integer(getEnclosingClass().getNewGeneratedNameTag()).toString()), 0, munger.getSourceLocation());
 
 		BcelVar[] adviceVars = munger.getExposedStateAsBcelVars(true);
 
@@ -2968,12 +2970,20 @@ public class BcelShadow extends Shadow {
 
 	// ---- extraction methods
 
-	public LazyMethodGen extractShadowInstructionsIntoNewMethod(String newMethodName, int visibilityModifier, ShadowMunger munger) {
-		LazyMethodGen.assertGoodBody(range.getBody(), newMethodName);
+	/**
+	 * Extract the instructions in the shadow to a new method.
+	 * 
+	 * @param extractedMethodName name for the new method
+	 * @param extractedMethodVisibilityModifier visibility modifiers for the new method
+	 * @param adviceSourceLocation source location of the advice affecting the shadow
+	 */
+	public LazyMethodGen extractShadowInstructionsIntoNewMethod(String extractedMethodName, int extractedMethodVisibilityModifier,
+			ISourceLocation adviceSourceLocation) {
+		LazyMethodGen.assertGoodBody(range.getBody(), extractedMethodName);
 		if (!getKind().allowsExtraction())
 			throw new BCException("Attempt to extract method from a shadow kind that does not support this operation (" + getKind()
 					+ ")");
-		LazyMethodGen freshMethod = createShadowMethodGen(newMethodName, visibilityModifier);
+		LazyMethodGen freshMethod = createShadowMethodGen(extractedMethodName, extractedMethodVisibilityModifier);
 
 		// System.err.println("******");
 		// System.err.println("ABOUT TO EXTRACT METHOD for" + this);
@@ -2987,7 +2997,7 @@ public class BcelShadow extends Shadow {
 		if (getKind() == PreInitialization) {
 			addPreInitializationReturnCode(freshMethod, getSuperConstructorParameterTypes());
 		}
-		getEnclosingClass().addMethodGen(freshMethod, munger.getSourceLocation());
+		getEnclosingClass().addMethodGen(freshMethod, adviceSourceLocation);
 
 		return freshMethod;
 	}
diff --git a/weaver/testsrc/org/aspectj/weaver/bcel/MoveInstructionsWeaveTestCase.java b/weaver/testsrc/org/aspectj/weaver/bcel/MoveInstructionsWeaveTestCase.java
index 73bd7dd3e..45bd977a4 100644
--- a/weaver/testsrc/org/aspectj/weaver/bcel/MoveInstructionsWeaveTestCase.java
+++ b/weaver/testsrc/org/aspectj/weaver/bcel/MoveInstructionsWeaveTestCase.java
@@ -36,8 +36,9 @@ public class MoveInstructionsWeaveTestCase extends WeaveTestCase {
 
 			public boolean implementOn(Shadow s) {
 				BcelShadow shadow = (BcelShadow) s;
-				LazyMethodGen newMethod = shadow.extractMethod(
-						NameMangler.getExtractableName(shadow.getSignature()) + "_extracted", 0, this);
+				LazyMethodGen newMethod = shadow.extractShadowInstructionsIntoNewMethod(NameMangler.getExtractableName(shadow
+						.getSignature())
+						+ "_extracted", 0, this.getSourceLocation());
 				shadow.getRange().append(shadow.makeCallToCallback(newMethod));
 
 				if (!shadow.isFallsThrough()) {
@@ -61,8 +62,9 @@ public class MoveInstructionsWeaveTestCase extends WeaveTestCase {
 
 			public boolean implementOn(Shadow s) {
 				BcelShadow shadow = (BcelShadow) s;
-				LazyMethodGen newMethod = shadow.extractMethod(NameMangler.getExtractableName(shadow.getSignature()) + "_extracted"
-						+ counter++, 0, this);
+				LazyMethodGen newMethod = shadow.extractShadowInstructionsIntoNewMethod(NameMangler.getExtractableName(shadow
+						.getSignature())
+						+ "_extracted" + counter++, 0, this.getSourceLocation());
 				shadow.getRange().append(shadow.makeCallToCallback(newMethod));
 
 				if (!shadow.isFallsThrough()) {
-- 
2.39.5