dart2js: Create noSuchMethod handlers at runtime to reduce overhead.

sdk/lib/_internal/compiler/implementation/universe/universe.dart

 // 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.
 
 library universe;
 
 import '../closure.dart';
 import '../elements/elements.dart';
 import '../dart2jslib.dart';
 import '../dart_types.dart';
@@ skipping 19 matching lines @@
   /**
    * Documentation wanted -- johnniwinther
    *
    * Invariant: Elements are declaration elements.
    */
   final Set<FunctionElement> staticFunctionsNeedingGetter;
   final Map<SourceString, Set<Selector>> invokedNames;
   final Map<SourceString, Set<Selector>> invokedGetters;
   final Map<SourceString, Set<Selector>> invokedSetters;
 
+  final List<Selector> trivialNsmHandlers;

[ngeoffray, 2013/03/11 09:41:27]

It does not look right to put something here, that is specific to the emitter.

[erikcorry, 2013/03/13 08:55:45]

Moved to the emitter.

+
   /**
    * Fields accessed. Currently only the codegen knows this
    * information. The resolver is too conservative when seeing a
    * getter and only registers an invoked getter.
    */
   final Set<Element> fieldGetters;
 
   /**
    * Fields set. See comment in [fieldGetters].
    */
   final Set<Element> fieldSetters;
   final Set<DartType> isChecks;
 
   Universe() : instantiatedClasses = new Set<ClassElement>(),
                instantiatedTypes = new Set<DartType>(),
                staticFunctionsNeedingGetter = new Set<FunctionElement>(),
                invokedNames = new Map<SourceString, Set<Selector>>(),
                invokedGetters = new Map<SourceString, Set<Selector>>(),
                invokedSetters = new Map<SourceString, Set<Selector>>(),
+               trivialNsmHandlers = <Selector>[],
                fieldGetters = new Set<Element>(),
                fieldSetters = new Set<Element>(),
                isChecks = new Set<DartType>();
 
   bool hasMatchingSelector(Set<Selector> selectors,
                            Element member,
                            Compiler compiler) {
     if (selectors == null) return false;
     for (Selector selector in selectors) {
       if (selector.appliesUnnamed(member, compiler)) return true;
@@ skipping 461 matching lines @@
       ClassElement cls = self;
       if (cls.isSubclassOf(other)) {
         // Resolve an invocation of [element.name] on [self]. If it
         // is found, this selector is a candidate.
         return hasElementIn(cls, element) && appliesUntyped(element, compiler);
       }
     }
     return false;
   }
 }