Map enums to strings.

tools/dom/scripts/idlrenderer.py

 #!/usr/bin/python
 # 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.
 
 from idlnode import *
 
 
 def render(idl_node, indent_str='  '):
   output = []
@@ skipping 35 matching lines @@
         output.extend(indent_stack)
       output.append(node)
     elif isinstance(node, list):
       for i in range(0, len(node)):
         if i > 0:
           w(list_separator)
         w(node[i])
     elif isinstance(node, IDLFile):
       w(node.modules)
       w(node.interfaces)
+      w(node.enums)
+      w(node.typeDefs)
     elif isinstance(node, IDLModule):
       wsp(node.annotations)
       wsp(node.ext_attrs)
       wln('module %s {' % node.id)
       begin_indent()
       w(node.interfaces)
+      w(node.enums)
       w(node.typeDefs)
       end_indent()
       wln('};')
+    elif isinstance(node, IDLEnum):
+      w('enum %s {}' % node.id)
+      # TODO(antonm): emit values as well.
     elif isinstance(node, IDLInterface):
       if node.annotations:
         wln(node.annotations)
       if node.ext_attrs:
         wln(node.ext_attrs)
       w('interface %s' % node.id)
       begin_indent()
       begin_indent()
       if node.parents:
         wln(' :')
@@ skipping 106 matching lines @@
     elif isinstance(node, IDLArgument):
       wsp(node.ext_attrs)
       w('in ')
       w('%s %s' % (node.type.id, node.id))
     else:
       raise TypeError("Expected str or IDLNode but %s found" %
         type(node))
 
   w(idl_node)
   return ''.join(output)