Use smoke in polymer and polymer_expressions.

pkg/smoke/lib/mirrors.dart

 // Copyright (c) 2014, 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.
 
 /// Implementation of the smoke services using mirrors.
 library smoke.mirrors;
 
 import 'dart:mirrors';
 import 'package:smoke/smoke.dart';
 import 'package:logging/logging.dart';
@@ skipping 279 matching lines @@
         ..write(']')).toString();
   }
 }
 
 class _MethodClosure extends Function {
   final receiver;
   final Symbol methodName;
 
   _MethodClosure(this.receiver, this.methodName);
 
-  // We shouldn't need to include [call] here, but we do to work around an
-  // analyzer bug (see dartbug.com/16078). Interestingly, if [call] is invoked
-  // with the wrong number of arguments, then noSuchMethod is anyways invoked
-  // instead.
-  call() => invoke(receiver, methodName, const []);
+  // We shouldn't need to include [call] here, but we do for two reasons:
+  //   * a workaround for an analyzer bug (see dartbug.com/16078).
+  //   * this allows `is` checks to work for functions of 0 through 3 arguments.
+  //   We depend on this in `polymer_expressions/lib/eval.dart` to check whether
+  //   a function is a filter (takes a single argument).
+  //
+  // Note: if [call] is invoked with the wrong number of arguments, then
+  // noSuchMethod is invoked instead, so this declaration mainly affects
+  // instance-of checks.
+  call([a, b, c]) => invoke(receiver, methodName, [a, b, c], adjust: true);

[Siggi Cherem (dart-lang), 2014/02/21 03:55:13]

technically all we need is call(a) for eval.dart. I'm happy to change it to that
if you prefer.

 
   noSuchMethod(Invocation inv) {
     if (inv.memberName != #call) return null;
     return invoke(receiver, methodName,
         inv.positionalArguments, namedArgs: inv.namedArguments);
   }
 }