Expand ResolvedAst to handle synthetic constructors.

pkg/compiler/lib/src/closure.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 closureToClassMapper;
 
 import 'common.dart';
 import 'common/names.dart' show Identifiers;
 import 'common/resolution.dart' show Parsing, Resolution;
 import 'common/tasks.dart' show CompilerTask;
@@ skipping 12 matching lines @@
 import 'universe/universe.dart' show Universe;
 
 class ClosureTask extends CompilerTask {
   Map<Node, ClosureClassMap> closureMappingCache;
   ClosureTask(Compiler compiler)
       : closureMappingCache = new Map<Node, ClosureClassMap>(),
         super(compiler);
 
   String get name => "Closure Simplifier";
 
-  ClosureClassMap computeClosureToClassMapping(
-      Element element, Node node, TreeElements elements) {
+  ClosureClassMap computeClosureToClassMapping(ResolvedAst resolvedAst) {
     return measure(() {
+      Element element = resolvedAst.element;
+      if (resolvedAst.kind != ResolvedAstKind.PARSED) {
+        return new ClosureClassMap(null, null, null, new ThisLocal(element));
+      }
+      Node node = resolvedAst.node;
+      TreeElements elements = resolvedAst.elements;
+
       ClosureClassMap cached = closureMappingCache[node];
       if (cached != null) return cached;
 
       ClosureTranslator translator =
           new ClosureTranslator(compiler, elements, closureMappingCache);
 
       // The translator will store the computed closure-mappings inside the
       // cache. One for given node and one for each nested closure.
       if (node is FunctionExpression) {
         translator.translateFunction(element, node);
       } else if (element.isSynthesized) {
+        reporter.internalError(
+            element, "Unexpected synthesized element: $element");
         return new ClosureClassMap(null, null, null, new ThisLocal(element));
       } else {
         assert(element.isField);
         VariableElement field = element;
         if (field.initializer != null) {
           // The lazy initializer of a static.
           translator.translateLazyInitializer(element, node, field.initializer);
         } else {
           assert(element.isInstanceMember);
           closureMappingCache[node] =
@@ skipping 59 matching lines @@
   bool get hasNode => false;
 
   Node get node {
     throw new SpannableAssertionFailure(
         local, 'Should not access node of ClosureFieldElement.');
   }
 
   bool get hasResolvedAst => hasTreeElements;
 
   ResolvedAst get resolvedAst {
-    return new ResolvedAst(this, null, treeElements);
+    return new ParsedResolvedAst(this, null, treeElements);
   }
 
   Expression get initializer {
     throw new SpannableAssertionFailure(
         local, 'Should not access initializer of ClosureFieldElement.');
   }
 
   bool get isInstanceMember => true;
   bool get isAssignable => false;
 
@@ skipping 194 matching lines @@
     return closureClass.methodElement.memberContext;
   }
 
   bool get hasNode => expression.hasNode;
 
   FunctionExpression get node => expression.node;
 
   FunctionExpression parseNode(Parsing parsing) => node;
 
   ResolvedAst get resolvedAst {
-    return new ResolvedAst(this, node, treeElements);
+    return new ParsedResolvedAst(this, node, treeElements);
   }
 
   Element get analyzableElement => closureClass.methodElement.analyzableElement;
 
   accept(ElementVisitor visitor, arg) {
     return visitor.visitMethodElement(this, arg);
   }
 }
 
 // The box-element for a scope, and the captured variables that need to be
@@ skipping 786 matching lines @@
 ///
 /// Move the below classes to a JS model eventually.
 ///
 abstract class JSEntity implements Entity {
   Entity get declaredEntity;
 }
 
 abstract class PrivatelyNamedJSEntity implements JSEntity {
   Entity get rootOfScope;
 }