Fix for Bug 70619

	  	compiler aborts with "conflicting dominates orders" with circular declare precedences

tests/ajcTests.xml

@@ -7756,5 +7756,18 @@
         	<message kind="error" line="2" text="if() pointcut designator cannot be used directly in a per clause"/>
         </compile>
     </ajc-test>
+    
+    <ajc-test dir="bugs/bug70619"
+		pr="70619" title="compiler aborts with 'conflicting dominates orders' with circular declare precedences">
+        <compile files="Precedence.java">
+          <message kind="error" line="0" text="conflicting declare precedence"/>
+        </compile>
+        <compile files="Conflict.java,Order2.aj,Order1.aj">        
+          <message kind="error" line="0" text="conflicting declare precedence"/>
+        </compile>
+        <compile files="Conflict.java,Order1.aj,Order2.aj">
+          <message kind="error" line="0" text="conflicting declare precedence"/>
+        </compile>
+    </ajc-test>
  
 </suite>

tests/bugs/bug70619/Conflict.java

@@ -0,0 +1,5 @@
+
+class Conflict { 
+	public static void main(String[] args) { } 
+}
+	

tests/bugs/bug70619/Order1.aj

@@ -0,0 +1,8 @@
+aspect Conflict1 {
+  
+  
+  
+  declare precedence: Conflict1, Conflict2;
+
+   before(): execution(* *(..)) { }
+}

tests/bugs/bug70619/Order2.aj

@@ -0,0 +1,6 @@
+aspect Conflict2 {
+	after(): execution(* *(..)) { }
+  declare precedence: Conflict2, Conflict1;
+
+ 
+}

tests/bugs/bug70619/Precedence.java

@@ -0,0 +1,13 @@
+class Conflict { public static void main(String[] args) { } }
+
+aspect Conflict1 {
+  declare precedence: Conflict1,Conflict2;
+
+  before(): execution(* *(..)) { }
+}
+
+aspect Conflict2 {
+  declare precedence: Conflict2, Conflict1;
+
+  after(): execution(* *(..)) { }
+}

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

@@ -300,13 +300,22 @@ public abstract class World {
 		//??? number of dominates declares in the whole system.
 		//??? This method can be called a large number of times.
 		int order = 0;
+		DeclarePrecedence orderer = null; // Records the declare precedence statement that gives the first ordering
 		for (Iterator i = crosscuttingMembersSet.getDeclareDominates().iterator(); i.hasNext(); ) {
 			DeclarePrecedence d = (DeclarePrecedence)i.next();
 			int thisOrder = d.compare(aspect1, aspect2);
 			//System.out.println("comparing: " + thisOrder + ": " + d);
 			if (thisOrder != 0) {
+				if (orderer==null) orderer = d;
 				if (order != 0 && order != thisOrder) {
-					throw new BCException("conflicting dominates orders");
+					ISourceLocation[] isls = new ISourceLocation[2];
+					isls[0]=orderer.getSourceLocation();
+					isls[1]=d.getSourceLocation();
+					Message m = 
+					  new Message("conflicting declare precedence orderings for aspects: "+
+					              aspect1.getName()+" and "+aspect2.getName(),null,true,isls);
+					messageHandler.handleMessage(m);
+					// throw new BCException("conflicting dominates orders"+d.getSourceLocation());
 				} else {
 					order = thisOrder;
 				}