VTK  9.0.1
vtkAutoInit.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkAutoInit.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
15 #ifndef vtkAutoInit_h
16 #define vtkAutoInit_h
17 
18 #include "vtkDebugLeaksManager.h" // DebugLeaks exists longer.
19 #include "vtkTimeStamp.h" // Here so that TimeStamp Schwarz initializer works
20 
21 #define VTK_MODULE_AUTOINIT VTK_AUTOINIT
22 
23 #define VTK_AUTOINIT(M) VTK_AUTOINIT0(M, M##_AUTOINIT)
24 #define VTK_AUTOINIT0(M, T) VTK_AUTOINIT1(M, T)
25 #define VTK_AUTOINIT1(M, T) \
26  /* Declare every <mod>_AutoInit_Construct function. */ \
27  VTK_AUTOINIT_DECLARE_##T namespace \
28  { \
29  static struct M##_AutoInit \
30  { \
31  /* Call every <mod>_AutoInit_Construct during initialization. */ \
32  M##_AutoInit() { VTK_AUTOINIT_CONSTRUCT_##T } \
33  } M##_AutoInit_Instance; \
34  }
35 
36 #define VTK_AUTOINIT_DECLARE_0()
37 #define VTK_AUTOINIT_DECLARE_1(t1) VTK_AUTOINIT_DECLARE_0() VTK_AUTOINIT_DECLARE(t1)
38 #define VTK_AUTOINIT_DECLARE_2(t1, t2) VTK_AUTOINIT_DECLARE_1(t1) VTK_AUTOINIT_DECLARE(t2)
39 #define VTK_AUTOINIT_DECLARE_3(t1, t2, t3) VTK_AUTOINIT_DECLARE_2(t1, t2) VTK_AUTOINIT_DECLARE(t3)
40 #define VTK_AUTOINIT_DECLARE_4(t1, t2, t3, t4) \
41  VTK_AUTOINIT_DECLARE_3(t1, t2, t3) VTK_AUTOINIT_DECLARE(t4)
42 #define VTK_AUTOINIT_DECLARE_5(t1, t2, t3, t4, t5) \
43  VTK_AUTOINIT_DECLARE_4(t1, t2, t3, t4) VTK_AUTOINIT_DECLARE(t5)
44 #define VTK_AUTOINIT_DECLARE_6(t1, t2, t3, t4, t5, t6) \
45  VTK_AUTOINIT_DECLARE_5(t1, t2, t3, t4, t5) VTK_AUTOINIT_DECLARE(t6)
46 #define VTK_AUTOINIT_DECLARE_7(t1, t2, t3, t4, t5, t6, t7) \
47  VTK_AUTOINIT_DECLARE_6(t1, t2, t3, t4, t5, t6) VTK_AUTOINIT_DECLARE(t7)
48 #define VTK_AUTOINIT_DECLARE_8(t1, t2, t3, t4, t5, t6, t7, t8) \
49  VTK_AUTOINIT_DECLARE_7(t1, t2, t3, t4, t5, t6, t7) VTK_AUTOINIT_DECLARE(t8)
50 #define VTK_AUTOINIT_DECLARE_9(t1, t2, t3, t4, t5, t6, t7, t8, t9) \
51  VTK_AUTOINIT_DECLARE_8(t1, t2, t3, t4, t5, t6, t7, t8) VTK_AUTOINIT_DECLARE(t9)
52 #define VTK_AUTOINIT_DECLARE(M) void M##_AutoInit_Construct();
53 
54 #define VTK_AUTOINIT_CONSTRUCT_0()
55 #define VTK_AUTOINIT_CONSTRUCT_1(t1) VTK_AUTOINIT_CONSTRUCT_0() VTK_AUTOINIT_CONSTRUCT(t1)
56 #define VTK_AUTOINIT_CONSTRUCT_2(t1, t2) VTK_AUTOINIT_CONSTRUCT_1(t1) VTK_AUTOINIT_CONSTRUCT(t2)
57 #define VTK_AUTOINIT_CONSTRUCT_3(t1, t2, t3) \
58  VTK_AUTOINIT_CONSTRUCT_2(t1, t2) VTK_AUTOINIT_CONSTRUCT(t3)
59 #define VTK_AUTOINIT_CONSTRUCT_4(t1, t2, t3, t4) \
60  VTK_AUTOINIT_CONSTRUCT_3(t1, t2, t3) VTK_AUTOINIT_CONSTRUCT(t4)
61 #define VTK_AUTOINIT_CONSTRUCT_5(t1, t2, t3, t4, t5) \
62  VTK_AUTOINIT_CONSTRUCT_4(t1, t2, t3, t4) VTK_AUTOINIT_CONSTRUCT(t5)
63 #define VTK_AUTOINIT_CONSTRUCT_6(t1, t2, t3, t4, t5, t6) \
64  VTK_AUTOINIT_CONSTRUCT_5(t1, t2, t3, t4, t5) VTK_AUTOINIT_CONSTRUCT(t6)
65 #define VTK_AUTOINIT_CONSTRUCT_7(t1, t2, t3, t4, t5, t6, t7) \
66  VTK_AUTOINIT_CONSTRUCT_6(t1, t2, t3, t4, t5, t6) VTK_AUTOINIT_CONSTRUCT(t7)
67 #define VTK_AUTOINIT_CONSTRUCT_8(t1, t2, t3, t4, t5, t6, t7, t8) \
68  VTK_AUTOINIT_CONSTRUCT_7(t1, t2, t3, t4, t5, t6, t7) VTK_AUTOINIT_CONSTRUCT(t8)
69 #define VTK_AUTOINIT_CONSTRUCT_9(t1, t2, t3, t4, t5, t6, t7, t8, t9) \
70  VTK_AUTOINIT_CONSTRUCT_8(t1, t2, t3, t4, t5, t6, t7, t8) VTK_AUTOINIT_CONSTRUCT(t9)
71 #define VTK_AUTOINIT_CONSTRUCT(M) M##_AutoInit_Construct();
72 
73 // Description:
74 // Initialize the named module, ensuring its object factory is correctly
75 // registered. This call must be made in global scope in the
76 // translation unit of your executable (which can include a shared library, but
77 // will not work as expected in a static library).
78 //
79 // @code{.cpp}
80 // #include "vtkAutoInit.h"
81 // VTK_MODULE_INIT(vtkRenderingOpenGL2);
82 // @endcode
83 //
84 // The above snippet if included in the global scope will ensure the object
85 // factories for vtkRenderingOpenGL2 are correctly registered and unregistered.
86 #define VTK_MODULE_INIT(M) \
87  VTK_AUTOINIT_DECLARE(M) namespace \
88  { \
89  static struct M##_ModuleInit \
90  { \
91  /* Call <mod>_AutoInit_Construct during initialization. */ \
92  M##_ModuleInit() { VTK_AUTOINIT_CONSTRUCT(M) } \
93  } M##_ModuleInit_Instance; \
94  }
95 
96 #endif
97 // VTK-HeaderTest-Exclude: vtkAutoInit.h