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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #ifndef IPC_PARAM_TRAITS_WRITE_MACROS_H_
6 #define IPC_PARAM_TRAITS_WRITE_MACROS_H_
7 
8 // Null out all the macros that need nulling.
9 #include "ipc/ipc_message_null_macros.h"
10 
11 // STRUCT declarations cause corresponding STRUCT_TRAITS declarations to occur.
12 #undef IPC_STRUCT_BEGIN_WITH_PARENT
13 #undef IPC_STRUCT_MEMBER
14 #undef IPC_STRUCT_END
15 #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent) \
16   IPC_STRUCT_TRAITS_BEGIN(struct_name)
17 #define IPC_STRUCT_MEMBER(type, name, ...) IPC_STRUCT_TRAITS_MEMBER(name)
18 #define IPC_STRUCT_END() IPC_STRUCT_TRAITS_END()
19 
20 // Set up so next include will generate write methods.
21 #undef IPC_STRUCT_TRAITS_BEGIN
22 #undef IPC_STRUCT_TRAITS_MEMBER
23 #undef IPC_STRUCT_TRAITS_PARENT
24 #undef IPC_STRUCT_TRAITS_END
25 #define IPC_STRUCT_TRAITS_BEGIN(struct_name) \
26   void ParamTraits<struct_name>::Write(base::Pickle* m, const param_type& p) {
27 #define IPC_STRUCT_TRAITS_MEMBER(name) WriteParam(m, p.name);
28 #define IPC_STRUCT_TRAITS_PARENT(type) ParamTraits<type>::Write(m, p);
29 #define IPC_STRUCT_TRAITS_END() }
30 
31 #undef IPC_ENUM_TRAITS_VALIDATE
32 #define IPC_ENUM_TRAITS_VALIDATE(enum_name, validation_expression) \
33   void ParamTraits<enum_name>::Write(base::Pickle* m,              \
34                                      const param_type& value) {    \
35     DCHECK(validation_expression);                                 \
36     m->WriteInt(static_cast<int>(value));                          \
37   }
38 
39 #endif  // IPC_PARAM_TRAITS_WRITE_MACROS_H_
40 
41