229 lines
9.2 KiB
C++
229 lines
9.2 KiB
C++
/*
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* Copyright 2010-2016 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bx#license-bsd-2-clause
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*/
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#ifndef BX_MACROS_H_HEADER_GUARD
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#define BX_MACROS_H_HEADER_GUARD
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#include "bx.h"
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#include <type_traits>
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///
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#if BX_COMPILER_MSVC
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// Workaround MSVS bug...
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# define BX_VA_ARGS_PASS(...) BX_VA_ARGS_PASS_1_ __VA_ARGS__ BX_VA_ARGS_PASS_2_
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# define BX_VA_ARGS_PASS_1_ (
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# define BX_VA_ARGS_PASS_2_ )
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#else
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# define BX_VA_ARGS_PASS(...) (__VA_ARGS__)
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#endif // BX_COMPILER_MSVC
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#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)
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#define BX_VA_ARGS_COUNT_(_a1, _a2, _a3, _a4, _a5, _a6, _a7, _a8, _a9, _a10, _a11, _a12, _a13, _a14, _a15, _a16, _last, ...) _last
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///
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#define BX_MACRO_DISPATCHER(_func, ...) BX_MACRO_DISPATCHER_1_(_func, BX_VA_ARGS_COUNT(__VA_ARGS__) )
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#define BX_MACRO_DISPATCHER_1_(_func, _argCount) BX_MACRO_DISPATCHER_2_(_func, _argCount)
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#define BX_MACRO_DISPATCHER_2_(_func, _argCount) BX_CONCATENATE(_func, _argCount)
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///
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#define BX_MAKEFOURCC(_a, _b, _c, _d) ( ( (uint32_t)(_a) | ( (uint32_t)(_b) << 8) | ( (uint32_t)(_c) << 16) | ( (uint32_t)(_d) << 24) ) )
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///
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#define BX_STRINGIZE(_x) BX_STRINGIZE_(_x)
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#define BX_STRINGIZE_(_x) #_x
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///
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#define BX_CONCATENATE(_x, _y) BX_CONCATENATE_(_x, _y)
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#define BX_CONCATENATE_(_x, _y) _x ## _y
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///
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#define BX_FILE_LINE_LITERAL "" __FILE__ "(" BX_STRINGIZE(__LINE__) "): "
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///
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#define BX_ALIGN_MASK(_value, _mask) ( ( (_value)+(_mask) ) & ( (~0)&(~(_mask) ) ) )
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#define BX_ALIGN_16(_value) BX_ALIGN_MASK(_value, 0xf)
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#define BX_ALIGN_256(_value) BX_ALIGN_MASK(_value, 0xff)
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#define BX_ALIGN_4096(_value) BX_ALIGN_MASK(_value, 0xfff)
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#define BX_ALIGNOF(_type) __alignof(_type)
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#if defined(__has_feature)
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# define BX_CLANG_HAS_FEATURE(_x) __has_feature(_x)
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#else
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# define BX_CLANG_HAS_FEATURE(_x) 0
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#endif // defined(__has_feature)
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#if defined(__has_extension)
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# define BX_CLANG_HAS_EXTENSION(_x) __has_extension(_x)
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#else
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# define BX_CLANG_HAS_EXTENSION(_x) 0
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#endif // defined(__has_extension)
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#if BX_COMPILER_GCC || BX_COMPILER_CLANG
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# define BX_ALIGN_DECL(_align, _decl) _decl __attribute__( (aligned(_align) ) )
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# define BX_ALLOW_UNUSED __attribute__( (unused) )
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# define BX_FORCE_INLINE inline __attribute__( (__always_inline__) )
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# define BX_FUNCTION __PRETTY_FUNCTION__
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# define BX_LIKELY(_x) __builtin_expect(!!(_x), 1)
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# define BX_UNLIKELY(_x) __builtin_expect(!!(_x), 0)
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# define BX_NO_INLINE __attribute__( (noinline) )
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# define BX_NO_RETURN __attribute__( (noreturn) )
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# define BX_NO_VTABLE
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# define BX_OVERRIDE
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# define BX_PRINTF_ARGS(_format, _args) __attribute__( (format(__printf__, _format, _args) ) )
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# if BX_CLANG_HAS_FEATURE(cxx_thread_local)
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# define BX_THREAD_LOCAL __thread
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# endif // BX_COMPILER_CLANG
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# if (!BX_PLATFORM_OSX && (BX_COMPILER_GCC >= 40200)) || (BX_COMPILER_GCC >= 40500)
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# define BX_THREAD_LOCAL __thread
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# endif // BX_COMPILER_GCC
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# define BX_ATTRIBUTE(_x) __attribute__( (_x) )
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# if BX_CRT_MSVC
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# define __stdcall
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# endif // BX_CRT_MSVC
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#elif BX_COMPILER_MSVC
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# define BX_ALIGN_DECL(_align, _decl) __declspec(align(_align) ) _decl
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# define BX_ALLOW_UNUSED
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# define BX_FORCE_INLINE __forceinline
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# define BX_FUNCTION __FUNCTION__
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# define BX_LIKELY(_x) (_x)
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# define BX_UNLIKELY(_x) (_x)
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# define BX_NO_INLINE __declspec(noinline)
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# define BX_NO_RETURN
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# define BX_NO_VTABLE __declspec(novtable)
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# define BX_OVERRIDE override
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# define BX_PRINTF_ARGS(_format, _args)
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# define BX_THREAD_LOCAL __declspec(thread)
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# define BX_ATTRIBUTE(_x)
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#else
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# error "Unknown BX_COMPILER_?"
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#endif
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// #define BX_STATIC_ASSERT(_condition, ...) static_assert(_condition, "" __VA_ARGS__)
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#define BX_STATIC_ASSERT(_condition, ...) typedef char BX_CONCATENATE(BX_STATIC_ASSERT_, __LINE__)[1][(_condition)] BX_ATTRIBUTE(unused)
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///
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#define BX_ALIGN_DECL_16(_decl) BX_ALIGN_DECL(16, _decl)
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#define BX_ALIGN_DECL_256(_decl) BX_ALIGN_DECL(256, _decl)
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#define BX_ALIGN_DECL_CACHE_LINE(_decl) BX_ALIGN_DECL(BX_CACHE_LINE_SIZE, _decl)
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///
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#define BX_MACRO_BLOCK_BEGIN for(;;) {
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#define BX_MACRO_BLOCK_END break; }
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#define BX_NOOP(...) BX_MACRO_BLOCK_BEGIN BX_MACRO_BLOCK_END
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///
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#define BX_UNUSED_1(_a1) BX_MACRO_BLOCK_BEGIN (void)(true ? (void)0 : ( (void)(_a1) ) ); BX_MACRO_BLOCK_END
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#define BX_UNUSED_2(_a1, _a2) BX_UNUSED_1(_a1); BX_UNUSED_1(_a2)
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#define BX_UNUSED_3(_a1, _a2, _a3) BX_UNUSED_2(_a1, _a2); BX_UNUSED_1(_a3)
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#define BX_UNUSED_4(_a1, _a2, _a3, _a4) BX_UNUSED_3(_a1, _a2, _a3); BX_UNUSED_1(_a4)
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#define BX_UNUSED_5(_a1, _a2, _a3, _a4, _a5) BX_UNUSED_4(_a1, _a2, _a3, _a4); BX_UNUSED_1(_a5)
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#define BX_UNUSED_6(_a1, _a2, _a3, _a4, _a5, _a6) BX_UNUSED_5(_a1, _a2, _a3, _a4, _a5); BX_UNUSED_1(_a6)
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#define BX_UNUSED_7(_a1, _a2, _a3, _a4, _a5, _a6, _a7) BX_UNUSED_6(_a1, _a2, _a3, _a4, _a5, _a6); BX_UNUSED_1(_a7)
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#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)
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#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)
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#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)
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#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)
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#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)
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#if BX_COMPILER_MSVC
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// Workaround MSVS bug...
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# define BX_UNUSED(...) BX_MACRO_DISPATCHER(BX_UNUSED_, __VA_ARGS__) BX_VA_ARGS_PASS(__VA_ARGS__)
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#else
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# define BX_UNUSED(...) BX_MACRO_DISPATCHER(BX_UNUSED_, __VA_ARGS__)(__VA_ARGS__)
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#endif // BX_COMPILER_MSVC
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///
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#if BX_COMPILER_CLANG
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# define BX_PRAGMA_DIAGNOSTIC_PUSH_CLANG_() _Pragma("clang diagnostic push")
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# define BX_PRAGMA_DIAGNOSTIC_POP_CLANG_() _Pragma("clang diagnostic pop")
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# define BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG(_x) _Pragma(BX_STRINGIZE(clang diagnostic ignored _x) )
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#else
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# define BX_PRAGMA_DIAGNOSTIC_PUSH_CLANG_()
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# define BX_PRAGMA_DIAGNOSTIC_POP_CLANG_()
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# define BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG(_x)
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#endif // BX_COMPILER_CLANG
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#if BX_COMPILER_GCC && BX_COMPILER_GCC >= 40600
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# define BX_PRAGMA_DIAGNOSTIC_PUSH_GCC_() _Pragma("GCC diagnostic push")
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# define BX_PRAGMA_DIAGNOSTIC_POP_GCC_() _Pragma("GCC diagnostic pop")
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# define BX_PRAGMA_DIAGNOSTIC_IGNORED_GCC(_x) _Pragma(BX_STRINGIZE(GCC diagnostic ignored _x) )
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#else
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# define BX_PRAGMA_DIAGNOSTIC_PUSH_GCC_()
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# define BX_PRAGMA_DIAGNOSTIC_POP_GCC_()
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# define BX_PRAGMA_DIAGNOSTIC_IGNORED_GCC(_x)
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#endif // BX_COMPILER_GCC
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#if BX_COMPILER_MSVC
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# define BX_PRAGMA_DIAGNOSTIC_PUSH_MSVC_() __pragma(warning(push) )
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# define BX_PRAGMA_DIAGNOSTIC_POP_MSVC_() __pragma(warning(pop) )
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# define BX_PRAGMA_DIAGNOSTIC_IGNORED_MSVC(_x) __pragma(warning(disable:_x) )
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#else
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# define BX_PRAGMA_DIAGNOSTIC_PUSH_MSVC_()
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# define BX_PRAGMA_DIAGNOSTIC_POP_MSVC_()
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# define BX_PRAGMA_DIAGNOSTIC_IGNORED_MSVC(_x)
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#endif // BX_COMPILER_CLANG
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#if BX_COMPILER_CLANG
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# define BX_PRAGMA_DIAGNOSTIC_PUSH BX_PRAGMA_DIAGNOSTIC_PUSH_CLANG_
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# define BX_PRAGMA_DIAGNOSTIC_POP BX_PRAGMA_DIAGNOSTIC_POP_CLANG_
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# define BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG
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#elif BX_COMPILER_GCC
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# define BX_PRAGMA_DIAGNOSTIC_PUSH BX_PRAGMA_DIAGNOSTIC_PUSH_GCC_
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# define BX_PRAGMA_DIAGNOSTIC_POP BX_PRAGMA_DIAGNOSTIC_POP_GCC_
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# define BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC BX_PRAGMA_DIAGNOSTIC_IGNORED_GCC
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#elif BX_COMPILER_MSVC
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# define BX_PRAGMA_DIAGNOSTIC_PUSH BX_PRAGMA_DIAGNOSTIC_PUSH_MSVC_
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# define BX_PRAGMA_DIAGNOSTIC_POP BX_PRAGMA_DIAGNOSTIC_POP_MSVC_
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# define BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG_GCC(_x)
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#endif // BX_COMPILER_
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///
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#if BX_COMPILER_MSVC
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# define BX_TYPE_IS_POD(t) (!__is_class(t) || __is_pod(t))
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#else
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# define BX_TYPE_IS_POD(t) std::is_pod<t>::value
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#endif
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///
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#define BX_CLASS_NO_DEFAULT_CTOR(_class) \
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private: _class()
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#define BX_CLASS_NO_COPY(_class) \
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private: _class(const _class& _rhs)
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#define BX_CLASS_NO_ASSIGNMENT(_class) \
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private: _class& operator=(const _class& _rhs)
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#define BX_CLASS_ALLOCATOR(_class) \
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public: void* operator new(size_t _size); \
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public: void operator delete(void* _ptr); \
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public: void* operator new[](size_t _size); \
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public: void operator delete[](void* _ptr)
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#define BX_CLASS_1(_class, _a1) BX_CONCATENATE(BX_CLASS_, _a1)(_class)
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#define BX_CLASS_2(_class, _a1, _a2) BX_CLASS_1(_class, _a1); BX_CLASS_1(_class, _a2)
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#define BX_CLASS_3(_class, _a1, _a2, _a3) BX_CLASS_2(_class, _a1, _a2); BX_CLASS_1(_class, _a3)
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#define BX_CLASS_4(_class, _a1, _a2, _a3, _a4) BX_CLASS_3(_class, _a1, _a2, _a3); BX_CLASS_1(_class, _a4)
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#if BX_COMPILER_MSVC
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# define BX_CLASS(_class, ...) BX_MACRO_DISPATCHER(BX_CLASS_, __VA_ARGS__) BX_VA_ARGS_PASS(_class, __VA_ARGS__)
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#else
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# define BX_CLASS(_class, ...) BX_MACRO_DISPATCHER(BX_CLASS_, __VA_ARGS__)(_class, __VA_ARGS__)
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#endif // BX_COMPILER_MSVC
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#ifndef BX_CHECK
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# define BX_CHECK(_condition, ...) BX_NOOP()
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#endif // BX_CHECK
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#ifndef BX_TRACE
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# define BX_TRACE(...) BX_NOOP()
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#endif // BX_TRACE
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#ifndef BX_WARN
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# define BX_WARN(_condition, ...) BX_NOOP()
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#endif // BX_CHECK
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#endif // BX_MACROS_H_HEADER_GUARD
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