Implement super initializers.

frog/leg/tree/nodes.dart

Index: frog/leg/tree/nodes.dart
diff --git a/frog/leg/tree/nodes.dart b/frog/leg/tree/nodes.dart
index 890094ab5a9fad587619fa57daec3be3c7292828..7496bf4431d8ffe2de6d204de21bb29d5e394a87 100644
--- a/frog/leg/tree/nodes.dart
+++ b/frog/leg/tree/nodes.dart
@@ -1442,3 +1442,27 @@ class CatchBlock extends Node {
 
   Token getEndToken() => block.getEndToken();
 }
+
+class Initializers {
+
+  static bool isSuperConstructorCall(Send node) {
+    return (node.receiver === null &&
+            node.selector.asIdentifier() !== null &&
+            node.selector.asIdentifier().isSuper()) ||
+           (node.receiver !== null &&
+            node.receiver.asIdentifier() !== null &&
+            node.receiver.asIdentifier().isSuper() &&
+            node.selector.asIdentifier() !== null);
+  }
+
+  static bool isConstructorRedirect(Send node) {
+    return (node.receiver === null &&
+            node.selector.asIdentifier() !== null &&
+            node.selector.asIdentifier().isThis()) ||
+           (node.receiver !== null &&
+            node.receiver.asIdentifier() !== null &&
+            node.receiver.asIdentifier().isThis() &&
+            node.selector.asIdentifier() !== null);
+  }

[ngeoffray, 2012/02/07 14:25:59]

extra space.

[karlklose, 2012/02/08 14:12:00]

Done.

+
+}