Initialize fields with their default values.

frog/leg/ssa/builder.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.
 
 class Interceptors {
   Compiler compiler;
   Interceptors(Compiler this.compiler);
 
   SourceString mapOperatorToMethodName(Operator op) {
     String name = op.source.stringValue;
@@ skipping 791 matching lines @@
     //                           the emitter.
     List<HInstruction> constructorArguments = <HInstruction>[];
     ClassElement element = classElement;
     while (element != null) {
       for (Element member in element.members) {
         if (member.isInstanceMember() && member.kind == ElementKind.FIELD) {
           HInstruction value;
           if (localsHandler.hasValueForDirectLocal(member)) {
             value = localsHandler.readLocal(member);
           } else {
-            // TODO(karlklose): get default value.
-            value = graph.addNewLiteralNull();
+            var fieldValue =
+                compiler.compileTimeConstantHandler.compileVariable(member);
+            // TODO(floitsch): this constant should be treated like all
+            // other constants and should be at the top of the graph.

[ngeoffray, 2012/02/28 09:48:26]

Why can't you do it?

[floitsch, 2012/02/28 10:19:01]

We could, but it would be tedious and I'm about to refactor this part.

+            value = new HLiteral.internal(fieldValue, HType.UNKNOWN);
+            add(value);
           }
           constructorArguments.add(value);
         }
       }
       element = element.superclass;
     }
     HForeignNew newObject = new HForeignNew(classElement, constructorArguments);
     add(newObject);
     // Generate calls to the constructor bodies.
     for (int index = constructors.length - 1; index >= 0; index--) {
@@ skipping 1450 matching lines @@
   }
 
   visitCatchBlock(CatchBlock node) {
     visit(node.block);
   }
 
   visitTypedef(Typedef node) {
     compiler.unimplemented('SsaBuilder.visitTypedef', node: node);
   }
 }