Add support for default values of IPC_STRUCT_MEMBER.

Review URL: http://codereview.chromium.org/10067023

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@132435 0039d316-1c4b-4281-b951-d872f2087c98

7 files changed, 14 insertions, 12 deletions

diff --git a/chrome/tools/ipclist/ipcfuzz.cc b/chrome/tools/ipclist/ipcfuzz.cc
index 133dd1c..6a58949 100644
--- a/chrome/tools/ipclist/ipcfuzz.cc
+++ b/chrome/tools/ipclist/ipcfuzz.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -516,7 +516,7 @@ class PickleCracker : public Pickle {
 #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent)\
   IPC_STRUCT_BEGIN(struct_name)
 #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_MEMBER(type, name, ...) IPC_STRUCT_TRAITS_MEMBER(name)
 #define IPC_STRUCT_END() IPC_STRUCT_TRAITS_END()
 
 // Set up so next include will generate fuzz trait classes.
diff --git a/ipc/ipc_message_macros.h b/ipc/ipc_message_macros.h
index f37c05b..0ef300e 100644
--- a/ipc/ipc_message_macros.h
+++ b/ipc/ipc_message_macros.h
@@ -202,7 +202,9 @@
   struct IPC_MESSAGE_EXPORT struct_name : parent { \
     struct_name(); \
     ~struct_name();
-#define IPC_STRUCT_MEMBER(type, name) type name;
+// Optional variadic parameters specify the default value for this struct
+// member. They are passed through to the constructor for |type|.
+#define IPC_STRUCT_MEMBER(type, name, ...) type name;
 #define IPC_STRUCT_END() };
 
 // Message macros collect specific numbers of arguments and funnel them into
diff --git a/ipc/ipc_message_null_macros.h b/ipc/ipc_message_null_macros.h
index 12d9e6e..e568a92 100644
--- a/ipc/ipc_message_null_macros.h
+++ b/ipc/ipc_message_null_macros.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -19,7 +19,7 @@
 
 #define IPC_STRUCT_BEGIN(struct_name)
 #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent)
-#define IPC_STRUCT_MEMBER(type, name)
+#define IPC_STRUCT_MEMBER(type, name, ...)
 #define IPC_STRUCT_END()
 #define IPC_STRUCT_TRAITS_BEGIN(struct_name)
 #define IPC_STRUCT_TRAITS_MEMBER(name)
diff --git a/ipc/param_traits_log_macros.h b/ipc/param_traits_log_macros.h
index b2d1f2e..4932853 100644
--- a/ipc/param_traits_log_macros.h
+++ b/ipc/param_traits_log_macros.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -19,7 +19,7 @@
 #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent) \
   IPC_STRUCT_BEGIN(struct_name)
 #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_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.
diff --git a/ipc/param_traits_read_macros.h b/ipc/param_traits_read_macros.h
index 9d89a92..f504cb4 100644
--- a/ipc/param_traits_read_macros.h
+++ b/ipc/param_traits_read_macros.h
@@ -17,7 +17,7 @@
 #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent) \
   IPC_STRUCT_BEGIN(struct_name)
 #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_MEMBER(type, name, ...) IPC_STRUCT_TRAITS_MEMBER(name)
 #define IPC_STRUCT_END() IPC_STRUCT_TRAITS_END()
 
 // Set up so next include will generate read methods.
diff --git a/ipc/param_traits_write_macros.h b/ipc/param_traits_write_macros.h
index c83d6b0..eaa4a3c 100644
--- a/ipc/param_traits_write_macros.h
+++ b/ipc/param_traits_write_macros.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -17,7 +17,7 @@
 #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent) \
   IPC_STRUCT_BEGIN(struct_name)
 #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_MEMBER(type, name, ...) IPC_STRUCT_TRAITS_MEMBER(name)
 #define IPC_STRUCT_END() IPC_STRUCT_TRAITS_END()
 
 // Set up so next include will generate write methods.
diff --git a/ipc/struct_constructor_macros.h b/ipc/struct_constructor_macros.h
index ee056a3..226878b 100644
--- a/ipc/struct_constructor_macros.h
+++ b/ipc/struct_constructor_macros.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -16,7 +16,7 @@
 #define IPC_STRUCT_BEGIN(struct_name) struct_name::struct_name() : NoParams()
 #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent) \
   struct_name::struct_name() : parent()
-#define IPC_STRUCT_MEMBER(type, name) , name()
+#define IPC_STRUCT_MEMBER(type, name, ...) , name(__VA_ARGS__)
 #define IPC_STRUCT_END() {}
 
 #endif  // IPC_STRUCT_CONSTRUCTOR_MACROS_H_