Mojo: Implement support for |Foo&| mojom syntax

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 15 matching lines @@
                   'float': 'f',
                   'double': 'd',
                   'string': 's',
                   'handle': 'h',
                   '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.endswith('&'):
+    return 'r:' + _MapKind(kind[0:len(kind)-1])
   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'])
 
@@ skipping 87 matching lines @@
     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)