WIP: Compute constant expressions in resolution.

pkg/compiler/lib/src/elements/modelx.dart

 // Copyright (c) 2013, 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 elements.modelx;
 
 import '../common.dart';
 import '../common/resolution.dart' show
     Resolution,
     Parsing;
@@ skipping 2136 matching lines @@
 
 abstract class ConstantConstructorMixin implements ConstructorElement {
   ConstantConstructor _constantConstructor;
 
   ConstantConstructor get constantConstructor {
     if (isPatch) {
       ConstructorElement originConstructor = origin;
       return originConstructor.constantConstructor;
     }
     if (!isConst || isFromEnvironmentConstructor) return null;
-    if (_constantConstructor == null) {
+    assert(invariant(this,
+        _constantConstructor != null,
+        message: "Constant constructor has not been computed for $this."));
+    /*if (_constantConstructor == null) {
       _constantConstructor = computeConstantConstructor(resolvedAst);
-    }
+    }*/
     return _constantConstructor;
   }
 
   void set constantConstructor(ConstantConstructor value) {
     if (isPatch) {
       ConstantConstructorMixin originConstructor = origin;
       originConstructor.constantConstructor = value;
     } else {
       assert(invariant(this, isConst,
           message: "Constant constructor set on non-constant "
@@ skipping 946 matching lines @@
   AstElement get definingElement;
 
   bool get hasResolvedAst => definingElement.hasTreeElements;
 
   ResolvedAst get resolvedAst {
     return new ResolvedAst(declaration,
         definingElement.node, definingElement.treeElements);
   }
 
 }