Store the aliasName of a method in the model.

pkg/compiler/lib/src/js_emitter/program_builder.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.
 
 library dart2js.js_emitter.program_builder;
 
 import 'js_emitter.dart' show computeMixinClass;
 import 'model.dart';
 
 import '../common.dart';
@@ skipping 398 matching lines @@
     js.Expression code = backend.generatedCode[element];
 
     // TODO(kasperl): Figure out under which conditions code is null.
     if (code == null) return null;
 
     bool canTearOff = false;
     String tearOffName;
     bool isClosure = false;
     bool isNotApplyTarget = !element.isFunction || element.isAccessor;
 
     final bool needsStubs = _methodNeedsStubs(element);

[floitsch, 2015/01/29 15:24:36]

no need for final (here and other locals).

[herhut, 2015/02/03 10:20:17]

Done.

     final bool canBeApplied = _methodCanBeApplied(element);
-    final bool hasSuperAlias = backend.isAliasedSuperMember(element);
+
+    final String aliasName = backend.isAliasedSuperMember(element) ?
+        namer.getNameOfAliasedSuperMember(element) : null;

[zarah, 2015/01/29 15:15:11]

Personal taste: if it can't fit on one line I think it't more readable with '?'
and ':' above each other.

[herhut, 2015/02/03 10:20:17]

Done.

 
     if (isNotApplyTarget) {
       canTearOff = false;
     } else {
       if (element.enclosingClass.isClosure) {
         canTearOff = false;
         isClosure = true;
       } else {
         // Careful with operators.
         canTearOff = universe.hasInvokedGetter(element, _compiler.world);
         assert(canTearOff ||
                !universe.methodsNeedingSuperGetter.contains(element));
         tearOffName = namer.getterName(element);
       }
     }
 
     if (canTearOff) {
       assert(invariant(element, !element.isGenerativeConstructor));
       assert(invariant(element, !element.isGenerativeConstructorBody));
       assert(invariant(element, !element.isConstructor));
     }
 
     return new InstanceMethod(element, name, code, needsTearOff: canTearOff,
         tearOffName: tearOffName, isClosure: isClosure,
-        hasSuperAlias: hasSuperAlias, canBeApplied: canBeApplied,
+        aliasName: aliasName, canBeApplied: canBeApplied,
         needsStubs: needsStubs);
   }
 
   /// Builds a stub method.
   ///
   /// Stub methods may have an element that can be used for code-size
   /// attribution.
   Method _buildStubMethod(String name, js.Expression code,
                           {Element element}) {
     return new StubMethod(name, code, element: element);
@@ skipping 121 matching lines @@
       _registry.registerConstant(outputUnit, constantValue);
       assert(!_constants.containsKey(constantValue));
       String name = namer.constantName(constantValue);
       String constantObject = namer.globalObjectForConstant(constantValue);
       Holder holder = _registry.registerHolder(constantObject);
       Constant constant = new Constant(name, holder, constantValue);
       _constants[constantValue] = constant;
     }
   }
 }