Array and map members for unions.

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 @@
     return "mojo::internal::Interface_Data"
   if mojom.IsInterfaceRequestKind(kind):
     return "mojo::MessagePipeHandle"
   if mojom.IsEnumKind(kind):
     return GetNameForKind(kind)
   if mojom.IsStringKind(kind):
     return "mojo::internal::StringPointer"
   return _kind_to_cpp_type[kind]
 
 def GetUnionGetterReturnType(kind):
-  if mojom.IsStructKind(kind):
+  if (mojom.IsStructKind(kind) or mojom.IsArrayKind(kind) or
+      mojom.IsMapKind(kind)):
     return "%s&" % GetCppWrapperType(kind)
   return GetCppResultWrapperType(kind)
 
 def IsStructWithHandles(struct):
   for pf in struct.packed.packed_fields:
     if mojom.IsAnyHandleKind(pf.field.kind):
       return True
   return False
 
 def TranslateConstants(token, kind):
@@ skipping 154 matching lines @@
   def GenerateModuleSource(self):
     return self.GetJinjaExports()
 
   def GenerateFiles(self, args):
     self.Write(self.GenerateModuleHeader(),
         self.MatchMojomFilePath("%s.h" % self.module.name))
     self.Write(self.GenerateModuleInternalHeader(),
         self.MatchMojomFilePath("%s-internal.h" % self.module.name))
     self.Write(self.GenerateModuleSource(),
         self.MatchMojomFilePath("%s.cc" % self.module.name))