Mojo: more idiomatic C++ bindings

mojo/public/tools/bindings/pylib/mojom/generate/generator.py

 # 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.
 
 """Code shared by the various language-specific code generators."""
 
 from functools import partial
 import os.path
 
 import module as mojom
@@ skipping 31 matching lines @@
 
 def IsObjectKind(kind):
   return isinstance(kind, (mojom.Struct, mojom.Array)) or IsStringKind(kind)
 
 def IsHandleKind(kind):
   return kind.spec.startswith('h') or isinstance(kind, mojom.Interface)
 
 def IsInterfaceKind(kind):
   return isinstance(kind, mojom.Interface)
 
+def IsMoveOnlyKind(kind):
+  return IsObjectKind(kind) or IsHandleKind(kind) or IsInterfaceKind(kind)
+
 def StudlyCapsToCamel(studly):
   return studly[0].lower() + studly[1:]
 
 def VerifyTokenType(token, expected):
   """Used to check that arrays and objects are used correctly as default
   values. Arrays are tokens that look like ('ARRAY', element0, element1...).
   See mojom_parser.py for their representation.
   """
   if not isinstance(token, tuple):
     raise Exception("Expected token type '%s'. Invalid token '%s'." %
@@ skipping 31 matching lines @@
 
   def Write(self, contents, filename):
     if self.output_dir is None:
       print contents
       return
     with open(os.path.join(self.output_dir, filename), "w+") as f:
       f.write(contents)
 
   def GenerateFiles(self, args):
     raise NotImplementedError("Subclasses must override/implement this method")