Various token issues fixed in the compiler

lib/compiler/implementation/tree/nodes.dart

Index: lib/compiler/implementation/tree/nodes.dart
diff --git a/lib/compiler/implementation/tree/nodes.dart b/lib/compiler/implementation/tree/nodes.dart
index 3024b94c0123ce804e13255f8ff733c47706437b..31a392c744abbac48924d23b5a8ec090da40ebba 100644
--- a/lib/compiler/implementation/tree/nodes.dart
+++ b/lib/compiler/implementation/tree/nodes.dart
@@ -349,6 +349,16 @@ class SendSet extends Send {
     return new SendSet(newReceiver, selector, assignmentOperator,
                        argumentsNode);
   }
+
+  Token getBeginToken() {
+    if (isPrefix) return assignmentOperator.getBeginToken();
+    return super.getBeginToken();
+  }
+
+  Token getEndToken() {
+    if (isPrefix) return super.getEndToken();

[floitsch, 2012/06/27 14:06:48]

as discussed this won't work in all situations.

+    return assignmentOperator.getEndToken();
+  }
 }
 
 class NewExpression extends Expression {