Support factory methods.

frog/tests/leg/src/ResolverTest.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.
 
 #import("../../../leg/leg.dart");
 #import("../../../leg/elements/elements.dart");
 #import("../../../leg/tree/tree.dart");
 #import("../../../leg/util/util.dart");
 #import("mock_compiler.dart");
 #import("parser_helper.dart");
@@ skipping 380 matching lines @@
   Expect.isTrue(aElement !== null);
   Expect.isTrue(fooElement !== null);
 
   fooElement.parseNode(compiler, compiler);
   compiler.resolver.resolve(fooElement);
 
   TreeElements elements = compiler.resolveStatement("new A();");
   NewExpression expression =
       compiler.parsedTree.asExpressionStatement().expression;
   Element element = elements[expression.send];
-  Expect.equals(ElementKind.CONSTRUCTOR, element.kind);
+  Expect.equals(ElementKind.GENERATIVE_CONSTRUCTOR, element.kind);
   Expect.isTrue(element is SynthesizedConstructorElement);
 }
 
 testTopLevelFields() {
   MockCompiler compiler = new MockCompiler();
   compiler.parseScript("int a;");
   Element element = compiler.universe.find(buildSourceString("a"));
   Expect.equals(ElementKind.FIELD, element.kind);
   VariableDefinitions node = element.parseNode(compiler, compiler);
   Expect.equals(node.type.typeName.source.stringValue, 'int');
@@ skipping 66 matching lines @@
                 int bar;
                 A() : this.foo = bar;
               }""";
   resolveConstructor(script, "A a = new A();", "A", "A", 2,
                      [], [MessageKind.NOT_STATIC]);
 }
 
 length(Link link) => link.isEmpty() ? 0 : length(link.tail) + 1;
 
 at(Link link, int index) => (index == 0) ? link.head : at(link.tail, index - 1);