JavaScript bindings for Mojo message validation

mojo/public/tools/bindings/generators/mojom_cpp_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.
 
 """Generates C++ source files from a mojom.Module."""
 
 import mojom.generate.generator as generator
 import mojom.generate.module as mojom
 import mojom.generate.pack as pack
 from mojom.generate.template_expander import UseJinja
@@ skipping 210 matching lines @@
       name.append(
           "%s_%s" % (generator.CamelCaseToAllCaps(token.enum_name), token.name))
     else:
       name.append(token.name)
     return "::".join(name)
   return '%s%s' % (token, _kind_to_cpp_literal_suffix.get(kind, ''))
 
 def ExpressionToText(value, kind=None):
   return TranslateConstants(value, kind)
 
-def HasCallbacks(interface):
-  for method in interface.methods:
-    if method.response_parameters != None:
-      return True
-  return False
-
 def ShouldInlineStruct(struct):
   # TODO(darin): Base this on the size of the wrapper class.
   if len(struct.fields) > 4:
     return False
   for field in struct.fields:
     if mojom.IsMoveOnlyKind(field.kind):
       return False
   return True
 
 _HEADER_SIZE = 8
 
 class Generator(generator.Generator):
 
   cpp_filters = {
     "constant_value": ConstantValue,
     "cpp_const_wrapper_type": GetCppConstWrapperType,
     "cpp_field_type": GetCppFieldType,
     "cpp_pod_type": GetCppPodType,
     "cpp_result_type": GetCppResultWrapperType,
     "cpp_type": GetCppType,
     "cpp_wrapper_type": GetCppWrapperType,
     "default_value": DefaultValue,
     "expected_array_size": generator.ExpectedArraySize,
     "expression_to_text": ExpressionToText,
     "get_name_for_kind": GetNameForKind,
     "get_pad": pack.GetPad,
-    "has_callbacks": HasCallbacks,
+    "has_callbacks": mojom.HasCallbacks,
     "should_inline": ShouldInlineStruct,
     "is_any_array_kind": mojom.IsAnyArrayKind,
     "is_enum_kind": mojom.IsEnumKind,
     "is_move_only_kind": mojom.IsMoveOnlyKind,
     "is_any_handle_kind": mojom.IsAnyHandleKind,
     "is_interface_kind": mojom.IsInterfaceKind,
     "is_interface_request_kind": mojom.IsInterfaceRequestKind,
     "is_object_kind": mojom.IsObjectKind,
     "is_string_kind": mojom.IsStringKind,
     "is_struct_with_handles": IsStructWithHandles,
@@ skipping 26 matching lines @@
 
   @UseJinja("cpp_templates/module.cc.tmpl", filters=cpp_filters)
   def GenerateModuleSource(self):
     return self.GetJinjaExports()
 
   def GenerateFiles(self, args):
     self.Write(self.GenerateModuleHeader(), "%s.h" % self.module.name)
     self.Write(self.GenerateModuleInternalHeader(),
         "%s-internal.h" % self.module.name)
     self.Write(self.GenerateModuleSource(), "%s.cc" % self.module.name)