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_LOG_MACROS_H_
6#define IPC_PARAM_TRAITS_LOG_MACROS_H_
7
8#include <string>
9
10// Null out all the macros that need nulling.
11#include "ipc/ipc_message_null_macros.h"
12
13// STRUCT declarations cause corresponding STRUCT_TRAITS declarations to occur.
14#undef IPC_STRUCT_BEGIN_WITH_PARENT
15#undef IPC_STRUCT_MEMBER
16#undef IPC_STRUCT_END
17#define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent) \
18  IPC_STRUCT_TRAITS_BEGIN(struct_name)
19#define IPC_STRUCT_MEMBER(type, name, ...) IPC_STRUCT_TRAITS_MEMBER(name)
20#define IPC_STRUCT_END() IPC_STRUCT_TRAITS_END()
21
22// Set up so next include will generate log methods.
23#undef IPC_STRUCT_TRAITS_BEGIN
24#undef IPC_STRUCT_TRAITS_MEMBER
25#undef IPC_STRUCT_TRAITS_PARENT
26#undef IPC_STRUCT_TRAITS_END
27#define IPC_STRUCT_TRAITS_BEGIN(struct_name) \
28  void ParamTraits<struct_name>::Log(const param_type& p, std::string* l) { \
29    bool needs_comma = false; \
30    l->append("(");
31#define IPC_STRUCT_TRAITS_MEMBER(name) \
32    if (needs_comma) \
33      l->append(", "); \
34    LogParam(p.name, l); \
35    needs_comma = true;
36#define IPC_STRUCT_TRAITS_PARENT(type) \
37    if (needs_comma) \
38      l->append(", "); \
39      ParamTraits<type>::Log(p, l); \
40      needs_comma = true;
41#define IPC_STRUCT_TRAITS_END() \
42    l->append(")"); \
43  }
44
45#undef IPC_ENUM_TRAITS_VALIDATE
46#define IPC_ENUM_TRAITS_VALIDATE(enum_name, validation_expression) \
47  void ParamTraits<enum_name>::Log(const param_type& p, std::string* l) { \
48    LogParam(static_cast<int>(p), l); \
49  }
50
51#endif  // IPC_PARAM_TRAITS_LOG_MACROS_H_
52
53