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-rw-r--r--ipc/param_traits_log_macros.h52
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diff --git a/ipc/param_traits_log_macros.h b/ipc/param_traits_log_macros.h
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+++ b/ipc/param_traits_log_macros.h
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+// Copyright (c) 2011 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.
+
+#ifndef IPC_PARAM_TRAITS_LOG_MACROS_H_
+#define IPC_PARAM_TRAITS_LOG_MACROS_H_
+#pragma once
+
+#include <string>
+
+// Null out all the macros that need nulling.
+#include "ipc/ipc_message_null_macros.h"
+
+// STRUCT declarations cause corresponding STRUCT_TRAITS declarations to occur.
+#undef IPC_STRUCT_BEGIN
+#undef IPC_STRUCT_MEMBER
+#undef IPC_STRUCT_END
+#define IPC_STRUCT_BEGIN(struct_name) IPC_STRUCT_TRAITS_BEGIN(struct_name)
+#define IPC_STRUCT_MEMBER(type, name) IPC_STRUCT_TRAITS_MEMBER(name)
+#define IPC_STRUCT_END() IPC_STRUCT_TRAITS_END()
+
+// Set up so next include will generate log methods.
+#undef IPC_STRUCT_TRAITS_BEGIN
+#undef IPC_STRUCT_TRAITS_MEMBER
+#undef IPC_STRUCT_TRAITS_PARENT
+#undef IPC_STRUCT_TRAITS_END
+#define IPC_STRUCT_TRAITS_BEGIN(struct_name) \
+ void ParamTraits<struct_name>::Log(const param_type& p, std::string* l) { \
+ bool needs_comma = false; \
+ l->append("(");
+#define IPC_STRUCT_TRAITS_MEMBER(name) \
+ if (needs_comma) \
+ l->append(", "); \
+ LogParam(p.name, l); \
+ needs_comma = true;
+#define IPC_STRUCT_TRAITS_PARENT(type) \
+ if (needs_comma) \
+ l->append(", "); \
+ ParamTraits<type>::Log(p, l); \
+ needs_comma = true;
+#define IPC_STRUCT_TRAITS_END() \
+ l->append(")"); \
+ }
+
+#undef IPC_ENUM_TRAITS
+#define IPC_ENUM_TRAITS(enum_name) \
+ void ParamTraits<enum_name>::Log(const param_type& p, std::string* l) { \
+ LogParam(static_cast<int>(p), l); \
+ }
+
+#endif // IPC_PARAM_TRAITS_LOG_MACROS_H_
+