From b468ecc0132d75fdade0c403f78d99212342176d Mon Sep 17 00:00:00 2001
From: acolyer <acolyer>
Date: Mon, 11 Jul 2005 13:50:39 +0000
Subject: [PATCH] add unresolved TypeVariableRefTypes which are created by
 EclipseFactory during conversion of bindings to TypeX, and resolved to
 TypeVariableReferenceTypes by the world.

---
 .../UnresolvedTypeVariableReferenceType.java  | 44 +++++++++++++++++++
 weaver/src/org/aspectj/weaver/World.java      |  4 ++
 2 files changed, 48 insertions(+)
 create mode 100644 weaver/src/org/aspectj/weaver/UnresolvedTypeVariableReferenceType.java

diff --git a/weaver/src/org/aspectj/weaver/UnresolvedTypeVariableReferenceType.java b/weaver/src/org/aspectj/weaver/UnresolvedTypeVariableReferenceType.java
new file mode 100644
index 000000000..b33b100b8
--- /dev/null
+++ b/weaver/src/org/aspectj/weaver/UnresolvedTypeVariableReferenceType.java
@@ -0,0 +1,44 @@
+/* *******************************************************************
+ * Copyright (c) 2005 Contributors.
+ * All rights reserved. 
+ * This program and the accompanying materials are made available 
+ * under the terms of the Eclipse Public License v1.0 
+ * which accompanies this distribution and is available at 
+ * http://eclipse.org/legal/epl-v10.html 
+ *  
+ * Contributors: 
+ *   Adrian Colyer			Initial implementation
+ * ******************************************************************/
+package org.aspectj.weaver;
+
+/**
+ * @author colyer
+ * Represents a type variable encountered in the Eclipse Source world,
+ * which when resolved will turn into a TypeVariableReferenceType
+ */
+public class UnresolvedTypeVariableReferenceType extends TypeX {
+
+	private TypeVariable typeVariable;
+	
+	// constructor used as place-holder when dealing with circular refs such as Enum
+	public UnresolvedTypeVariableReferenceType() {
+		super("Ljava/lang/Object;");
+	}
+	
+	public UnresolvedTypeVariableReferenceType(TypeVariable aTypeVariable) {
+		super(aTypeVariable.getUpperBound().getSignature());
+		this.typeVariable = aTypeVariable;
+	}
+	
+	// only used when resolving circular refs...
+	public void setTypeVariable(TypeVariable aTypeVariable) {
+		this.signature = aTypeVariable.getUpperBound().getSignature();
+		this.typeVariable = aTypeVariable;
+	}
+	
+	public ResolvedTypeX resolve(World world) {
+		typeVariable.resolve(world);
+		return new TypeVariableReferenceType(typeVariable,world);
+	}
+
+}
diff --git a/weaver/src/org/aspectj/weaver/World.java b/weaver/src/org/aspectj/weaver/World.java
index 2bfda6c54..4efa5fe65 100644
--- a/weaver/src/org/aspectj/weaver/World.java
+++ b/weaver/src/org/aspectj/weaver/World.java
@@ -157,6 +157,10 @@ public abstract class World implements Dump.INode {
 
     public ResolvedTypeX resolve(TypeX ty, boolean allowMissing) {
     	//System.out.println("resolve: " + ty + " world " + typeMap.keySet());		
+    	if (ty instanceof UnresolvedTypeVariableReferenceType) {
+    		// AMC - don't like this instanceof test, suggests some refactoring needed...
+    		return ((UnresolvedTypeVariableReferenceType)ty).resolve(this);
+    	}
         String signature = ty.getSignature();
         ResolvedTypeX ret = typeMap.get(signature);
         if (ret != null) { ret.world = this; return ret; } // Set the world for the RTX
-- 
2.39.5