sort classes in dependency order, or load lazily if needed, fixes #78

lib/src/js/builder.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.
 
 // Utilities for building JS ASTs at runtime.  Contains a builder class
 // and a parser that parses part of the language.
 
 part of js_ast;
 
 
@@ skipping 1463 matching lines @@
     bool isGetter = false;
     bool isSetter = false;
     Expression name = null;
     if (acceptCategory(HASH)) {
       if (lastCategory != LPAREN && (onlyMethods || lastCategory != COLON)) {
         // Interpolated method
         var member = new InterpolatedMethod(parseHash());
         interpolatedValues.add(member);
         return member;
       }
-      name = parseInterpolatedExpression();
+      var interpolated = new InterpolatedExpression(parseHash());
+      interpolatedValues.add(interpolated);
+      name = interpolated;
     } else {
       name = parsePropertyName();
     }
 
     // Allow get or set to be followed by another property name.
-    if (lastCategory == ALPHA && name is PropertyName) {
+    if (name is PropertyName &&
+        (lastCategory == ALPHA || lastCategory == HASH)) {
       PropertyName p = name;
       isGetter = p.name == 'get';
       isSetter = p.name == 'set';
       if (isGetter || isSetter) {
         name = parsePropertyName();
       }
     }
 
     if (!onlyMethods && acceptCategory(COLON)) {
       Expression value = parseAssignment();
@@ skipping 12 matching lines @@
     } else if (acceptCategory(STRING)) {
       return new LiteralString(identifier);
     } else if (acceptCategory(SYMBOL)) {
       // e.g. void
       return new LiteralString('"$identifier"');
     } else if (acceptCategory(LSQUARE)) {
       var expr = parseAssignment();
       expectCategory(RSQUARE);
       return expr;
     } else if (acceptCategory(HASH)) {
-      return parseInterpolatedExpression();
+      var member = new InterpolatedPropertyName(parseHash());
+      interpolatedValues.add(member);
+      return member;
     } else {
       error('Expected property name');
       return null;
     }
   }
-
-  InterpolatedExpression parseInterpolatedExpression() {
-    var interpolated = new InterpolatedExpression(parseHash());
-    interpolatedValues.add(interpolated);
-    return interpolated;
-  }
 }