Add the arity to calls, and support noSuchMethodException.

frog/tests/leg_only/src/NoSuchMethodTest.dart

Index: frog/tests/leg_only/src/NoSuchMethodTest.dart
===================================================================
--- frog/tests/leg_only/src/NoSuchMethodTest.dart	(revision 0)
+++ frog/tests/leg_only/src/NoSuchMethodTest.dart	(revision 0)
@@ -0,0 +1,51 @@
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+class NoSuchMethodInfo {
+  Object receiver;
+  String name;
+  List args;
+  NoSuchMethodInfo(Object r, String m, List a)
+    : receiver = r, name = m, args = a;
+}
+
+class A {
+  noSuchMethod(String name, List args) {
+    topLevelInfo = new NoSuchMethodInfo(this, name, args);
+    return topLevelInfo;
+  }
+
+  foo(a, b, c) {
+    Expect.fail('Should never enter here');
+  }
+}
+
+// Used for the setter case.
+NoSuchMethodInfo topLevelInfo;
+
+main() {
+  A a = new A();
+  var info = a.foo();
+  Expect.equals('foo', info.name);
+  Expect.isTrue(info.args.isEmpty());
+  Expect.isTrue(info.receiver === a);
+
+  info = a.foo(2);
+  Expect.equals('foo', info.name);
+  Expect.isTrue(info.args.length == 1);
+  Expect.isTrue(info.args[0] === 2);
+  Expect.isTrue(info.receiver === a);
+
+  info = a.bar;
+  Expect.equals('get bar', info.name);
+  Expect.isTrue(info.args.length == 0);
+  Expect.isTrue(info.receiver === a);
+
+  a.bar = 2;
+  info = topLevelInfo;
+  Expect.equals('set bar', info.name);
+  Expect.isTrue(info.args.length == 1);
+  Expect.isTrue(info.args[0] === 2);
+  Expect.isTrue(info.receiver === a);
+}