diff options
Diffstat (limited to 'compat/macros.hpp')
| -rw-r--r-- | compat/macros.hpp | 75 |
1 files changed, 9 insertions, 66 deletions
diff --git a/compat/macros.hpp b/compat/macros.hpp index 5d82c4ee..08be9b4a 100644 --- a/compat/macros.hpp +++ b/compat/macros.hpp @@ -1,46 +1,8 @@ #pragma once -#if defined _MSC_VER -# define cc_noinline __declspec(noinline) -#else -# define cc_noinline __attribute__((noinline)) -#endif - -#if defined _MSC_VER -# define cc_forceinline __forceinline -#else -# define cc_forceinline __attribute__((always_inline)) -#endif - -#if !defined likely -# if defined __GNUC__ -# define likely(x) __builtin_expect(!!(x),1) -# define unlikely(x) __builtin_expect(!!(x),0) -# else -# define likely(x) (x) -# define unlikely(x) (x) -# endif -#endif +#include "macros1.h" -#if defined _MSC_VER -# define cc_function_name __FUNCSIG__ -#else -# define cc_function_name __PRETTY_FUNCTION__ -#endif - -#if !defined PP_CAT -# define PP_CAT(x,y) PP_CAT1(x,y) -# define PP_CAT1(x,y) PP_CAT2(x,y) -# define PP_CAT2(x,y) x ## y -#endif - -#ifndef PP_EXPAND -# define PP_EXPAND(x) PP_EXPAND__2(x) -# define PP_EXPAND__2(x) PP_EXPAND__3(x) x -# define PP_EXPAND__3(x) x -#endif - -#if defined __cplusplus +#ifdef __cplusplus // from now only C++ @@ -59,45 +21,26 @@ template<typename t> using remove_cvref_t = typename cxx20_compat::remove_cvref<t>::type; template<typename t> -using to_const_cvref_t = std::add_lvalue_reference_t<std::add_const_t<remove_cvref_t<t>>>; +using to_const_ref_t = std::add_lvalue_reference_t<std::add_const_t<remove_cvref_t<t>>>; // causes ICE in Visual Studio 2017 Preview. the ICE was reported and they handle them seriously in due time. // the ICE is caused by decltype(auto) and const& return value //#define eval_once(expr) ([&]() -> decltype(auto) { static decltype(auto) ret___1132 = (expr); return (decltype(ret___1132) const&) ret___1132; }()) -#define eval_once(expr) eval_once__2(expr, PP_CAT(_EVAL_ONCE__, __COUNTER__)) -#define eval_once__2(expr, ident) eval_once__3(expr, ident) +#define eval_once(expr) eval_once2(expr, __COUNTER__) -#define eval_once__3(expr, ident) \ - ([&]() -> decltype(auto) { \ - static auto INIT##ident = (expr); \ - return static_cast<to_const_cvref_t<decltype(INIT##ident)>>(INIT##ident); \ +#define eval_once2(expr, ctr) \ + ([&] { \ + [[maybe_unused]] \ + static auto PP_CAT(init, ctr) = (((void)(expr)), 0); \ }()) -#include <type_traits> - template<typename t> using cv_qualified = std::conditional_t<std::is_fundamental_v<remove_cvref_t<t>>, remove_cvref_t<t>, - to_const_cvref_t<t>>; - -template<bool> -[[deprecated]] constexpr cc_forceinline void static_warn() {} - -template<> -constexpr cc_forceinline void static_warn<true>() {} + to_const_ref_t<t>>; -#define static_warning(cond) \ - static_warn<(cond)>(); \ - -#define typed_progn(type, ...) ([&]() -> type { __VA_ARGS__ }()) #define progn(...) ([&]() -> decltype(auto) { __VA_ARGS__ }()) -#define prog1(x, ...) ([&]() -> decltype(auto) \ - { \ - decltype(auto) ret1324 = (x); __VA_ARGS__; return ret1324; \ - }()) - // end c++-only macros #endif - |