Mojo: RemotePtr<S> + bindings changes for Peer attribute.

mojo/public/bindings/parser/mojo_translate.py

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 """Translate parse tree to Mojom IR"""
 
 
+import os
 import sys
 
 
 def MapKind(kind):
   map_to_kind = { 'bool': 'b',
                   'int8': 'i8',
                   'int16': 'i16',
                   'int32': 'i32',
                   'int64': 'i64',
                   'uint8': 'u8',
@@ skipping 10 matching lines @@
     return map_to_kind[kind]
   return 'x:' + kind
 
 
 def MapOrdinal(ordinal):
   if ordinal == None:
     return None;
   return int(ordinal[1:])  # Strip leading '@'
 
 
+def GetAttribute(attributes, name):
+  out = None
+  for attribute in attributes:
+    if attribute[0] == 'ATTRIBUTE' and attribute[1] == name:
+      out = attribute[2]
+  return out
+
+
 def MapFields(fields):
   out = []
   for field in fields:
     if field[0] == 'FIELD':
       out.append({'name': field[2],
                   'kind': MapKind(field[1]),
                   'ordinal': MapOrdinal(field[3])})
   return out
 
 
@@ skipping 18 matching lines @@
 
 
 class MojomBuilder():
 
   def __init__(self):
     self.mojom = {}
 
   def AddStruct(self, name, attributes, fields):
     struct = {}
     struct['name'] = name
+    # TODO(darin): Add support for |attributes|
+    #struct['attributes'] = MapAttributes(attributes)
     struct['fields'] = MapFields(fields)
     self.mojom['structs'].append(struct)
-    # TODO(darin): Add support for |attributes|
 
   def AddInterface(self, name, attributes, methods):
     interface = {}
     interface['name'] = name
+    interface['peer'] = GetAttribute(attributes, 'Peer')
     interface['methods'] = MapMethods(methods)
     self.mojom['interfaces'].append(interface)
-    # TODO(darin): Add support for |attributes|
 
   def AddModule(self, name, namespace, contents):
     self.mojom['name'] = name
     self.mojom['namespace'] = namespace
     self.mojom['structs'] = []
     self.mojom['interfaces'] = []
     for item in contents:
       if item[0] == 'STRUCT':
         self.AddStruct(name=item[1], attributes=item[2], fields=item[3])
       elif item[0] == 'INTERFACE':
@@ skipping 14 matching lines @@
     print("usage: %s filename" % (sys.argv[0]))
     sys.exit(1)
   tree = eval(open(sys.argv[1]).read())
   name = os.path.splitext(os.path.basename(sys.argv[1]))[0]
   result = Translate(tree, name)
   print(result)
 
 
 if __name__ == '__main__':
   Main()