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macros.h

macros.h 6.5 KB
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  1. /*
    2. 

  2.  * Copyright 2010-2013 Branimir Karadzic. All rights reserved.
    3. 

  3.  * License: http://www.opensource.org/licenses/BSD-2-Clause
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef BX_MACROS_H_HEADER_GUARD
    7. 

  7. #define BX_MACROS_H_HEADER_GUARD
    8. 

  8. 

  9. #include "bx.h"
    10. 

  10. 

  11. #if BX_COMPILER_MSVC
    12. 

  12. // Workaround MSVS bug...
    13. 

  13. #	define BX_VA_ARGS_PASS(...) BX_VA_ARGS_PASS_1_ __VA_ARGS__ BX_VA_ARGS_PASS_2_
    14. 

  14. #	define BX_VA_ARGS_PASS_1_ (
    15. 

  15. #	define BX_VA_ARGS_PASS_2_ )
    16. 

  16. #else
    17. 

  17. #	define BX_VA_ARGS_PASS(...) (__VA_ARGS__)
    18. 

  18. #endif // BX_COMPILER_MSVC
    19. 

  19. 

  20. #define BX_VA_ARGS_COUNT(...) BX_VA_ARGS_COUNT_ BX_VA_ARGS_PASS(__VA_ARGS__, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1)
    21. 

  21. #define BX_VA_ARGS_COUNT_(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8, _a9, _a10, _a11, _a12, _a13, _a14, _a15, _a16, _last, ...) _last
    22. 

  22. 

  23. #define BX_MACRO_DISPATCHER(_func, ...) BX_MACRO_DISPATCHER_1_(_func, BX_VA_ARGS_COUNT(__VA_ARGS__) )
    24. 

  24. #define BX_MACRO_DISPATCHER_1_(_func, _argCount) BX_MACRO_DISPATCHER_2_(_func, _argCount)
    25. 

  25. #define BX_MACRO_DISPATCHER_2_(_func, _argCount) BX_CONCATENATE(_func, _argCount)
    26. 

  26. 

  27. #define BX_MAKEFOURCC(_a, _b, _c, _d) ( ( (uint32_t)(_a) | ( (uint32_t)(_b) << 8) | ( (uint32_t)(_c) << 16) | ( (uint32_t)(_d) << 24) ) )
    28. 

  28. 

  29. #define BX_STRINGIZE(_x) BX_STRINGIZE_(_x)
    30. 

  30. #define BX_STRINGIZE_(_x) #_x
    31. 

  31. 

  32. #define BX_CONCATENATE(_x, _y) BX_CONCATENATE_(_x, _y)
    33. 

  33. #define BX_CONCATENATE_(_x, _y) _x ## _y
    34. 

  34. 

  35. #define BX_FILE_LINE_LITERAL "" __FILE__ "(" BX_STRINGIZE(__LINE__) "): "
    36. 

  36. 

  37. #define BX_ALIGN_MASK(_value, _mask) ( ( (_value)+(_mask) ) & ( (~0)&(~(_mask) ) ) )
    38. 

  38. #define BX_ALIGN_16(_value) BX_ALIGN_MASK(_value, 0xf)
    39. 

  39. #define BX_ALIGN_256(_value) BX_ALIGN_MASK(_value, 0xff)
    40. 

  40. #define BX_ALIGN_4096(_value) BX_ALIGN_MASK(_value, 0xfff)
    41. 

  41. 

  42. #define BX_ALIGNOF(_type) __alignof(_type)
    43. 

  43. 

  44. #if BX_COMPILER_GCC || BX_COMPILER_CLANG
    45. 

  45. #	define BX_ALIGN_DECL(_align, _decl) _decl __attribute__( (aligned(_align) ) )
    46. 

  46. #	define BX_ALLOW_UNUSED __attribute__( (unused) )
    47. 

  47. #	define BX_FORCE_INLINE __extension__ static __inline __attribute__( (__always_inline__) )
    48. 

  48. #	define BX_FUNCTION __PRETTY_FUNCTION__
    49. 

  49. #	define BX_NO_INLINE __attribute__( (noinline) )
    50. 

  50. #	define BX_NO_RETURN __attribute__( (noreturn) )
    51. 

  51. #	define BX_NO_VTABLE
    52. 

  52. #	define BX_OVERRIDE
    53. 

  53. #	define BX_PRINTF_ARGS(_format, _args) __attribute__ ( (format(__printf__, _format, _args) ) )
    54. 

  54. #	if BX_COMPILER_CLANG && (BX_PLATFORM_OSX || BX_PLATFORM_IOS)
    55. 

  55. #		define BX_THREAD /* not supported right now */
    56. 

  56. #	else
    57. 

  57. #		define BX_THREAD __thread
    58. 

  58. #	endif // BX_COMPILER_CLANG
    59. 

  59. #	define BX_ATTRIBUTE(_x) __attribute__( (_x) )
    60. 

  60. #	if BX_COMPILER_MSVC_COMPATIBLE
    61. 

  61. #		define __stdcall
    62. 

  62. #	endif // BX_COMPILER_MSVC_COMPATIBLE
    63. 

  63. #elif BX_COMPILER_MSVC
    64. 

  64. #	define BX_ALIGN_DECL(_align, _decl) __declspec(align(_align) ) _decl
    65. 

  65. #	define BX_ALLOW_UNUSED
    66. 

  66. #	define BX_FORCE_INLINE __forceinline
    67. 

  67. #	define BX_FUNCTION __FUNCTION__
    68. 

  68. #	define BX_NO_INLINE __declspec(noinline)
    69. 

  69. #	define BX_NO_RETURN
    70. 

  70. #	define BX_NO_VTABLE __declspec(novtable)
    71. 

  71. #	define BX_OVERRIDE override
    72. 

  72. #	define BX_PRINTF_ARGS(_format, _args)
    73. 

  73. #	define BX_THREAD __declspec(thread)
    74. 

  74. #	define BX_ATTRIBUTE(_x)
    75. 

  75. #else
    76. 

  76. #	error "Unknown BX_COMPILER_?"
    77. 

  77. #endif
    78. 

  78. 

  79. // #define BX_STATIC_ASSERT(_condition, ...) static_assert(_condition, "" __VA_ARGS__)
    80. 

  80. #define BX_STATIC_ASSERT(_condition, ...) typedef char BX_CONCATENATE(BX_STATIC_ASSERT_, __LINE__)[1][(_condition)] BX_ATTRIBUTE(unused)
    81. 

  81. 

  82. #define BX_ALIGN_DECL_16(_decl) BX_ALIGN_DECL(16, _decl)
    83. 

  83. #define BX_ALIGN_DECL_256(_decl) BX_ALIGN_DECL(256, _decl)
    84. 

  84. #define BX_ALIGN_DECL_CACHE_LINE(_decl) BX_ALIGN_DECL(BX_CACHE_LINE_SIZE, _decl)
    85. 

  85. 

  86. #define BX_MACRO_BLOCK_BEGIN for(;;) {
    87. 

  87. #define BX_MACRO_BLOCK_END break; }
    88. 

  88. #define BX_NOOP(...) BX_MACRO_BLOCK_BEGIN BX_MACRO_BLOCK_END
    89. 

  89. 

  90. #define BX_UNUSED_1(_a1) BX_MACRO_BLOCK_BEGIN (void)(true ? (void)0 : ( (void)(_a1) ) ); BX_MACRO_BLOCK_END
    91. 

  91. #define BX_UNUSED_2(_a1, _a2) BX_UNUSED_1(_a1); BX_UNUSED_1(_a2)
    92. 

  92. #define BX_UNUSED_3(_a1, _a2, _a3) BX_UNUSED_2(_a1, _a2); BX_UNUSED_1(_a3)
    93. 

  93. #define BX_UNUSED_4(_a1, _a2, _a3, _a4) BX_UNUSED_3(_a1, _a2, _a3); BX_UNUSED_1(_a4)
    94. 

  94. #define BX_UNUSED_5(_a1, _a2, _a3, _a4, _a5) BX_UNUSED_4(_a1, _a2, _a3, _a4); BX_UNUSED_1(_a5)
    95. 

  95. #define BX_UNUSED_6(_a1, _a2, _a3, _a4, _a5, _a6) BX_UNUSED_5(_a1, _a2, _a3, _a4, _a5); BX_UNUSED_1(_a6)
    96. 

  96. #define BX_UNUSED_7(_a1, _a2, _a3, _a4, _a5, _a6, _a7) BX_UNUSED_6(_a1, _a2, _a3, _a4, _a5, _a6); BX_UNUSED_1(_a7)
    97. 

  97. #define BX_UNUSED_8(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8) BX_UNUSED_7(_a1, _a2, _a3, _a4, _a5, _a6, _a7); BX_UNUSED_1(_a8)
    98. 

  98. #define BX_UNUSED_9(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8, _a9) BX_UNUSED_8(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8); BX_UNUSED_1(_a9)
    99. 

  99. #define BX_UNUSED_10(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8, _a9, _a10) BX_UNUSED_9(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8, _a9); BX_UNUSED_1(_a10)
    100. 

  100. #define BX_UNUSED_11(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8, _a9, _a10, _a11) BX_UNUSED_10(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8, _a9, _a10); BX_UNUSED_1(_a11)
    101. 

  101. #define BX_UNUSED_12(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8, _a9, _a10, _a11, _a12) BX_UNUSED_11(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8, _a9, _a10, _a11); BX_UNUSED_1(_a12)
    102. 

  102. 

  103. #if BX_COMPILER_MSVC
    104. 

  104. // Workaround MSVS bug...
    105. 

  105. #	define BX_UNUSED(...) BX_MACRO_DISPATCHER(BX_UNUSED_, __VA_ARGS__) BX_VA_ARGS_PASS(__VA_ARGS__)
    106. 

  106. #else
    107. 

  107. #	define BX_UNUSED(...) BX_MACRO_DISPATCHER(BX_UNUSED_, __VA_ARGS__)(__VA_ARGS__)
    108. 

  108. #endif // BX_COMPILER_MSVC
    109. 

  109. 

  110. #define BX_TYPE_IS_POD(_type) (!__is_class(_type) || __is_pod(_type) )
    111. 

  111. 

  112. #define BX_CLASS_NO_DEFAULT_CTOR(_class) \
    113. 

  113. 			private: _class()
    114. 

  114. 

  115. #define BX_CLASS_NO_COPY(_class) \
    116. 

  116. 			private: _class(const _class& _rhs)
    117. 

  117. 

  118. #define BX_CLASS_NO_ASSIGNMENT(_class) \
    119. 

  119. 			private: _class& operator=(const _class& _rhs)
    120. 

  120. 

  121. #define BX_CLASS_ALLOCATOR(_class) \
    122. 

  122. 			public: void* operator new(size_t _size); \
    123. 

  123. 			public: void  operator delete(void* _ptr); \
    124. 

  124. 			public: void* operator new[](size_t _size); \
    125. 

  125. 			public: void  operator delete[](void* _ptr)
    126. 

  126. 

  127. #define BX_CLASS_1(_class, _a1) BX_CONCATENATE(BX_CLASS_, _a1)(_class)
    128. 

  128. #define BX_CLASS_2(_class, _a1, _a2) BX_CLASS_1(_class, _a1); BX_CLASS_1(_class, _a2)
    129. 

  129. #define BX_CLASS_3(_class, _a1, _a2, _a3) BX_CLASS_2(_class, _a1, _a2); BX_CLASS_1(_class, _a3)
    130. 

  130. #define BX_CLASS_4(_class, _a1, _a2, _a3, _a4) BX_CLASS_3(_class, _a1, _a2, _a3); BX_CLASS_1(_class, _a4)
    131. 

  131. 

  132. #if BX_COMPILER_MSVC
    133. 

  133. #	define BX_CLASS(_class, ...) BX_MACRO_DISPATCHER(BX_CLASS_, __VA_ARGS__) BX_VA_ARGS_PASS(_class, __VA_ARGS__)
    134. 

  134. #else
    135. 

  135. #	define BX_CLASS(_class, ...) BX_MACRO_DISPATCHER(BX_CLASS_, __VA_ARGS__)(_class, __VA_ARGS__)
    136. 

  136. #endif // BX_COMPILER_MSVC
    137. 

  137. 

  138. #ifndef BX_CHECK
    139. 

  139. #	define BX_CHECK(_condition, ...) BX_NOOP()
    140. 

  140. #endif // BX_CHECK
    141. 

  141. 

  142. #ifndef BX_TRACE
    143. 

  143. #	define BX_TRACE(...) BX_NOOP()
    144. 

  144. #endif // BX_TRACE
    145. 

  145. 

  146. #ifndef BX_WARN
    147. 

  147. #	define BX_WARN(_condition, ...) BX_NOOP()
    148. 

  148. #endif // BX_CHECK
    149. 

  149. 

  150. #endif // BX_MACROS_H_HEADER_GUARD
    151.