134471 - incremental structure model repair code overhaul

asm/src/org/aspectj/asm/IRelationship.java

@@ -83,4 +83,6 @@ public interface IRelationship extends Serializable {
 			return ALL[ordinal];
 		}
 	}
+
+	public boolean isAffects();
 }

asm/src/org/aspectj/asm/internal/Relationship.java

@@ -76,5 +76,20 @@ public class Relationship implements IRelationship {
 	public boolean hasRuntimeTest() {
 		return hasRuntimeTest;
 	}
+	
+	// For repairing the relationship map on incremental builds, we need
+	// to know the direction of the relationship: either 'affects' or 'affected by'
+	// this set are considered the 'affects' relationship.  If we know which direction
+	// it is in, we know which ones should be removed when a particular resource
+	// is modified because the subsequent reweave will re-add it.
+	public boolean isAffects() {
+	    // TODO should be a well defined set (enum type) with a flag for this...
+		return name.equals("advises") || 
+		        name.equals("declares on") || 
+		        name.equals("softens") ||
+		        name.equals("matched by") || 
+		        name.equals("declared on") || 
+		        name.equals("annotates");
+	}
 
 }

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

@@ -55,6 +55,11 @@ public abstract class World implements Dump.INode {
 	/** The heart of the world, a map from type signatures to resolved types */
     protected TypeMap typeMap = new TypeMap(this); // Signature to ResolvedType
     
+    // See pr134471 - we would like to set this false but need for handles in the structure model
+    // to be independent of location before we can do that.
+    /** Should we take into account source location when comparing mungers - which may trigger full builds */
+    public final static boolean compareLocations = true;
+    
 
     /** Calculator for working out aspect precedence */
     private AspectPrecedenceCalculator precedenceCalculator;