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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_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