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     (void)needs_comma;                                                      \
31     l->append("(");
32 #define IPC_STRUCT_TRAITS_MEMBER(name) \
33     if (needs_comma) \
34       l->append(", "); \
35     LogParam(p.name, l); \
36     needs_comma = true;
37 #define IPC_STRUCT_TRAITS_PARENT(type) \
38     if (needs_comma) \
39       l->append(", "); \
40       ParamTraits<type>::Log(p, l); \
41       needs_comma = true;
42 #define IPC_STRUCT_TRAITS_END() \
43   l->append(")");               \
44   }
45 
46 #undef IPC_ENUM_TRAITS_VALIDATE
47 #define IPC_ENUM_TRAITS_VALIDATE(enum_name, validation_expression) \
48   void ParamTraits<enum_name>::Log(const param_type& p, std::string* l) { \
49     LogParam(static_cast<int>(p), l); \
50   }
51 
52 #endif  // IPC_PARAM_TRAITS_LOG_MACROS_H_
53 
54