Adding attributes to module and struct in mojom.

mojo/public/tools/bindings/pylib/mojom/parse/translate.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Translates parse tree to Mojom IR."""
 
 
 import ast
 
 
@@ skipping 19 matching lines @@
                   'handle<data_pipe_consumer>': 'h:d:c',
                   'handle<data_pipe_producer>': 'h:d:p',
                   'handle<message_pipe>': 'h:m',
                   'handle<shared_buffer>': 'h:s'}
   if kind.endswith('[]'):
     return 'a:' + _MapKind(kind[0:len(kind)-2])
   if kind in map_to_kind:
     return map_to_kind[kind]
   return 'x:' + kind
 
+def _MapAttributes(attributes):
+  if not attributes:
+    return {}
+  return dict([(attribute[1], attribute[2])
+               for attribute in attributes if attribute[0] == 'ATTRIBUTE'])
+
 def _GetAttribute(attributes, name):
   out = None
   if attributes:
     for attribute in attributes:
       if attribute[0] == 'ATTRIBUTE' and attribute[1] == name:
         out = attribute[2]
   return out
 
 def _MapField(tree):
   assert type(tree[3]) is ast.Ordinal
@@ skipping 17 matching lines @@
     method['response_parameters'] = _MapTree(_MapParameter, tree[4], 'PARAM')
   return method
 
 def _MapEnumField(tree):
   return {'name': tree[1],
           'value': tree[2]}
 
 def _MapStruct(tree):
   struct = {}
   struct['name'] = tree[1]
-  # TODO(darin): Add support for |attributes|
-  #struct['attributes'] = MapAttributes(tree[2])
+  struct['attributes'] = _MapAttributes(tree[2])
   struct['fields'] = _MapTree(_MapField, tree[3], 'FIELD')
   struct['enums'] = _MapTree(_MapEnum, tree[3], 'ENUM')
   return struct
 
 def _MapInterface(tree):
   interface = {}
   interface['name'] = tree[1]
   interface['peer'] = _GetAttribute(tree[2], 'Peer')
   interface['methods'] = _MapTree(_MapMethod, tree[3], 'METHOD')
   interface['enums'] = _MapTree(_MapEnum, tree[3], 'ENUM')
   return interface
 
 def _MapEnum(tree):
   enum = {}
   enum['name'] = tree[1]
   enum['fields'] = _MapTree(_MapEnumField, tree[2], 'ENUM_FIELD')
   return enum
 
 def _MapModule(tree, name):
   mojom = {}
   mojom['name'] = name
   mojom['namespace'] = tree[1]
-  mojom['structs'] = _MapTree(_MapStruct, tree[2], 'STRUCT')
-  mojom['interfaces'] = _MapTree(_MapInterface, tree[2], 'INTERFACE')
-  mojom['enums'] = _MapTree(_MapEnum, tree[2], 'ENUM')
+  mojom['attributes'] = _MapAttributes(tree[2])
+  mojom['structs'] = _MapTree(_MapStruct, tree[3], 'STRUCT')
+  mojom['interfaces'] = _MapTree(_MapInterface, tree[3], 'INTERFACE')
+  mojom['enums'] = _MapTree(_MapEnum, tree[3], 'ENUM')
   return mojom
 
 def _MapImport(tree):
   import_item = {}
   import_item['filename'] = tree[1]
   return import_item
 
 
 class _MojomBuilder(object):
   def __init__(self):
     self.mojom = {}
 
   def Build(self, tree, name):
     modules = [_MapModule(item, name) for item in tree if item[0] == 'MODULE']
     if len(modules) != 1:
       raise Exception('A mojom file must contain exactly 1 module.')
     self.mojom = modules[0]
     self.mojom['imports'] = _MapTree(_MapImport, tree, 'IMPORT')
     return self.mojom
 
 
 def Translate(tree, name):
   return _MojomBuilder().Build(tree, name)