Start resolving classes and default constructors.

frog/leg/compiler.dart

 // Copyright (c) 2011, 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 Compiler implements Canceler, Logger {
   final Script script;
   Queue<Element> worklist;
   Universe universe;
   String generatedCode;
 
@@ skipping 74 matching lines @@
     while (!worklist.isEmpty()) {
       compileMethod(worklist.removeLast());
     }
     generatedCode = assembleProgram();
   }
 
   String compileMethod(Element element) {
     String code = universe.generatedCode[element];
     if (code !== null) return code;
     Node tree = parser.parse(element);
-    TreeElements elements = resolver.resolve(tree);
+    TreeElements elements = resolver.resolve(element);
     checker.check(tree, elements);
     HGraph graph = builder.build(tree, elements);
     optimizer.optimize(graph);
     code = generator.generate(element, graph);
     universe.addGeneratedCode(element, code);
     return code;
   }
 
   Element resolveType(ClassElement element) {
-    resolver.resolveType(parser.parse(element));
+    parser.parse(element);
+    resolver.resolveType(element);
+    return element;
   }
 
   Element resolveSignature(FunctionElement element) {
-    resolver.resolveSignature(parser.parse(element));
+    parser.parse(element);
+    resolver.resolveSignature(element);
+    return element;
   }
 
   String assembleProgram() {
     StringBuffer buffer = new StringBuffer();
     buffer.add('function Isolate() {};\n\n');
     universe.generatedCode.forEach((Element element, String codeBlock) {
       buffer.add('Isolate.prototype.${element.name} = ');
       buffer.add(codeBlock);
       buffer.add(';\n\n');
     });
@@ skipping 34 matching lines @@
 
 class CompilerCancelledException {
   final String reason;
   CompilerCancelledException(this.reason);
 
   String toString() {
     String banner = 'compiler cancelled';
     return (reason !== null) ? '$banner: $reason' : '$banner';
   }
 }