From 05a0983973f48f9cbea5720b3bb277aca437288f Mon Sep 17 00:00:00 2001
From: aclement <aclement>
Date: Mon, 6 Mar 2006 16:09:23 +0000
Subject: 129163: first part: changed comparison code to ignore
 ajc$/hasaspect/aspectof in AjState - modified type mungers (not finished) to
 indicate whether they are related to shadow munging or not.

---
 weaver/src/org/aspectj/weaver/NameMangler.java           |  5 ++++-
 weaver/src/org/aspectj/weaver/ResolvedTypeMunger.java    |  2 ++
 .../aspectj/weaver/bcel/BcelCflowCounterFieldAdder.java  |  3 +++
 .../aspectj/weaver/bcel/BcelCflowStackFieldAdder.java    |  3 +++
 weaver/src/org/aspectj/weaver/bcel/BcelTypeMunger.java   | 16 ++++++++++++++++
 5 files changed, 28 insertions(+), 1 deletion(-)

(limited to 'weaver')

diff --git a/weaver/src/org/aspectj/weaver/NameMangler.java b/weaver/src/org/aspectj/weaver/NameMangler.java
index 4dfd751b9..7337305bc 100644
--- a/weaver/src/org/aspectj/weaver/NameMangler.java
+++ b/weaver/src/org/aspectj/weaver/NameMangler.java
@@ -20,9 +20,12 @@ public class NameMangler {
 	private NameMangler() {
 		throw new RuntimeException("static");
 	}
-	
+	public static final char[] AJC_DOLLAR_PREFIX = {'a', 'j', 'c','$'};
 	public static final String PREFIX = "ajc$";
 	public static final String ITD_PREFIX = PREFIX + "interType$";
+	public static final char[] METHOD_ASPECTOF = {'a', 's', 'p','e','c','t','O','f'};
+	public static final char[] METHOD_HASASPECT = {'h', 'a', 's','A','s','p','e','c','t'};
+	public static final char[] STATIC_INITIALIZER = {'<', 'c', 'l','i','n','i','t','>'};
 	
 	public static final String CFLOW_STACK_TYPE = "org.aspectj.runtime.internal.CFlowStack";
 	public static final String CFLOW_COUNTER_TYPE="org.aspectj.runtime.internal.CFlowCounter";
diff --git a/weaver/src/org/aspectj/weaver/ResolvedTypeMunger.java b/weaver/src/org/aspectj/weaver/ResolvedTypeMunger.java
index 5891b9bc8..927b174be 100644
--- a/weaver/src/org/aspectj/weaver/ResolvedTypeMunger.java
+++ b/weaver/src/org/aspectj/weaver/ResolvedTypeMunger.java
@@ -406,4 +406,6 @@ public abstract class ResolvedTypeMunger {
 	public boolean isLateMunger() {
 		return false;
 	}
+	
+	
 }
diff --git a/weaver/src/org/aspectj/weaver/bcel/BcelCflowCounterFieldAdder.java b/weaver/src/org/aspectj/weaver/bcel/BcelCflowCounterFieldAdder.java
index 08bb03e87..671e10faa 100644
--- a/weaver/src/org/aspectj/weaver/bcel/BcelCflowCounterFieldAdder.java
+++ b/weaver/src/org/aspectj/weaver/bcel/BcelCflowCounterFieldAdder.java
@@ -85,5 +85,8 @@ public class BcelCflowCounterFieldAdder extends BcelTypeMunger {
 	public boolean matches(ResolvedType onType) {
 		return onType.equals(cflowCounterField.getDeclaringType());
 	}
+	public boolean existsToSupportShadowMunging() {
+		return true;
+	}
 
 }
diff --git a/weaver/src/org/aspectj/weaver/bcel/BcelCflowStackFieldAdder.java b/weaver/src/org/aspectj/weaver/bcel/BcelCflowStackFieldAdder.java
index 2ed447ac4..df9725ac2 100644
--- a/weaver/src/org/aspectj/weaver/bcel/BcelCflowStackFieldAdder.java
+++ b/weaver/src/org/aspectj/weaver/bcel/BcelCflowStackFieldAdder.java
@@ -74,5 +74,8 @@ public class BcelCflowStackFieldAdder extends BcelTypeMunger {
 	public boolean matches(ResolvedType onType) {
 		return onType.equals(cflowStackField.getDeclaringType());
 	}
+	public boolean existsToSupportShadowMunging() {
+		return true;
+	}
 
 }
diff --git a/weaver/src/org/aspectj/weaver/bcel/BcelTypeMunger.java b/weaver/src/org/aspectj/weaver/bcel/BcelTypeMunger.java
index e291cc3e3..156525993 100644
--- a/weaver/src/org/aspectj/weaver/bcel/BcelTypeMunger.java
+++ b/weaver/src/org/aspectj/weaver/bcel/BcelTypeMunger.java
@@ -1644,5 +1644,21 @@ public class BcelTypeMunger extends ConcreteTypeMunger {
 	public List /*String*/ getTypeVariableAliases() {
 		return munger.getTypeVariableAliases();
 	}
+	
+	/**
+	 * Some type mungers are created purely to help with the implementation of shadow mungers.  
+	 * For example to support the cflow() pointcut we create a new cflow field in the aspect, and
+	 * that is added via a BcelCflowCounterFieldAdder.
+	 * 
+	 * During compilation we need to compare sets of type mungers, and if some only come into
+	 * existence after the 'shadowy' type things have been processed, we need to ignore
+	 * them during the comparison.
+	 * 
+	 * Returning true from this method indicates the type munger exists to support 'shadowy' stuff -
+	 * and so can be ignored in some comparison.
+	 */
+	public boolean existsToSupportShadowMunging() {
+		return false; // Does this need to delegate to the ResolvedTypeMunger field held in the BcelTypeMunger?
+	}
 }
 		
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