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dconfig.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file dconfig.h
10 * @author cary
11 * @date 1998-07-14
12 */
13
14#ifndef DCONFIG_H
15#define DCONFIG_H
16
17#include "dtoolbase.h"
18#include "notifyCategoryProxy.h"
19
20// These macros are used in each directory to call an initialization function
21// at static-init time. These macros may eventually be phased out in favor of
22// a simpler interface that does not require static init.
23
24// NOTE: Having a macro called Configure proved to be problematic with some
25// DX9 headers. To avoid that in the future we provide a new family of macros
26// prefixed by DTool and deprecate the old ones, to be removed from the
27// codebase sometime in the future.
28
29// This macro should appear in the config_*.h file.
30
31#define ConfigureDecl(name, expcl, exptp)
32#define DToolConfigureDecl(name, expcl, exptp)
33
34// This macro defines the actual declaration of the object defined above; it
35// should appear in the config_*.cxx file.
36
37#define ConfigureDef(name) \
38 class StaticInitializer_ ## name { \
39 public: \
40 StaticInitializer_ ## name(); \
41 }; \
42 static StaticInitializer_ ## name name;
43#define DToolConfigureDef(name) \
44 class StaticInitializer_ ## name { \
45 public: \
46 StaticInitializer_ ## name(); \
47 }; \
48 static StaticInitializer_ ## name name;
49
50// This macro can be used in lieu of the above two when the Configure object
51// does not need to be visible outside of the current C file.
52
53#define Configure(name) ConfigureDef(name)
54#define DToolConfigure(name) DToolConfigureDef(name)
55
56// This one defines a block of code that will be executed at static init time.
57// It must always be defined (in the C file), even if no code is to be
58// executed.
59
60#define ConfigureFn(name) \
61 StaticInitializer_ ## name::StaticInitializer_ ## name()
62#define DToolConfigureFn(name) \
63 StaticInitializer_ ## name::StaticInitializer_ ## name()
64
65#endif /* __CONFIG_H__ */
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.