closure calls (just the invocation part).

frog/leg/elements/elements.dart

Index: frog/leg/elements/elements.dart
diff --git a/frog/leg/elements/elements.dart b/frog/leg/elements/elements.dart
index 437c819ed233101092b7f8680ff14a22ac06ea08..71bb69b08166955a03088b741bb6f1c120f5eedb 100644
--- a/frog/leg/elements/elements.dart
+++ b/frog/leg/elements/elements.dart
@@ -356,4 +356,18 @@ class Elements {
            && element.isInstanceMember()
            && (element.kind === ElementKind.FUNCTION);
   }
+
+  static bool isClosureSend(Send send, TreeElements elements) {
+    if (send.isPropertyAccess) return false;
+    if (send.receiver !== null) return false;
+    Element element = elements[send];
+    // (o)() or foo()().
+    if (element === null && send.selector.asIdentifier() === null) return true;
+    // foo() with foo a local or a parameter.
+    if (element.kind === ElementKind.VARIABLE ||

[kasperl, 2012/01/05 12:52:19]

Should we have element.isVariable() and element.isParameter()? Maybe just return
isVar || isParam?

[floitsch, 2012/01/05 13:59:20]

Done.

+        element.kind === ElementKind.PARAMETER) {
+      return true;
+    }
+    return false;
+  }
 }