move weaving to inside of the compiler.compile loop.

ensure messages are associated with source wherever possible

bridge/src/org/aspectj/bridge/Message.java

@@ -42,6 +42,11 @@ public class Message implements IMessage {
             location);
     }
 
+    public Message(String message, ISourceLocation location, boolean isError, ISourceLocation[] extraSourceLocations) {
+    	this(message, "",(isError ? IMessage.ERROR : IMessage.WARNING), location, null, 
+    			(extraSourceLocations.length > 0 ? extraSourceLocations : null));
+    }
+    
 	/**
 	 * Create a message, handling null values for message and kind
 	 * if thrown is not null.

bridge/src/org/aspectj/bridge/SourceLocation.java

@@ -133,9 +133,11 @@ public class SourceLocation implements ISourceLocation, java.io.Serializable {
         }
         if (sourceFile != ISourceLocation.NO_FILE) {
             sb.append(sourceFile.getPath());
+        }
+        if (startLine > 0) {
             sb.append(":");
+            sb.append(startLine); //"" + startLine + "-" + endLine);        	
         }
-        sb.append(startLine); //"" + startLine + "-" + endLine);
         if (!noColumn) {
             sb.append(":" + column);
         }