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zig.h: Move some macros and includes closer to where they're used.

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Alex Rønne Petersen 2024-12-02 10:00:41 +01:00
parent 0e934c7df1
commit ace8396076
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1 changed files with 45 additions and 44 deletions
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89
lib/zig.h
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@ -1,5 +1,8 @@
#undef linux #undef linux
#include <stdarg.h>
#include <stddef.h>
#if defined(_MSC_VER) #if defined(_MSC_VER)
#define zig_msvc #define zig_msvc
#elif defined(__clang__) #elif defined(__clang__)
@ -68,38 +71,23 @@
#define zig_x86 #define zig_x86
#endif #endif
#if defined(zig_msvc) || __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define zig_little_endian 1
#define zig_big_endian 0
#else
#define zig_little_endian 0
#define zig_big_endian 1
#endif
#define zig_concat(lhs, rhs) lhs##rhs
#define zig_expand_concat(lhs, rhs) zig_concat(lhs, rhs)
#if defined(__has_include) #if defined(__has_include)
#define zig_has_include(include) __has_include(include) #define zig_has_include(include) __has_include(include)
#else #else
#define zig_has_include(include) 0 #define zig_has_include(include) 0
#endif #endif
#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
#define __STDC_WANT_IEC_60559_TYPES_EXT__
#endif
#include <float.h>
#include <limits.h>
#include <stdarg.h>
#include <stddef.h>
#if defined(zig_msvc)
#include <intrin.h>
#endif
#if __STDC_VERSION__ >= 202311L
/* bool, true, and false are provided by the language. */
#elif __STDC_VERSION__ >= 199901L || zig_has_include(<stdbool.h>)
#include <stdbool.h>
#else
typedef char bool;
#define false 0
#define true 1
#endif
#define zig_concat(lhs, rhs) lhs##rhs
#define zig_expand_concat(lhs, rhs) zig_concat(lhs, rhs)
#if defined(__has_builtin) #if defined(__has_builtin)
#define zig_has_builtin(builtin) __has_builtin(__builtin_##builtin) #define zig_has_builtin(builtin) __has_builtin(__builtin_##builtin)
#else #else
@ -113,14 +101,6 @@ typedef char bool;
#define zig_has_attribute(attribute) 0 #define zig_has_attribute(attribute) 0
#endif #endif
#if defined(zig_msvc) || __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define zig_little_endian 1
#define zig_big_endian 0
#else
#define zig_little_endian 0
#define zig_big_endian 1
#endif
#if __STDC_VERSION__ >= 202311L #if __STDC_VERSION__ >= 202311L
#define zig_threadlocal thread_local #define zig_threadlocal thread_local
#elif __STDC_VERSION__ >= 201112L #elif __STDC_VERSION__ >= 201112L
@ -133,12 +113,6 @@ typedef char bool;
#define zig_threadlocal zig_threadlocal_unavailable #define zig_threadlocal zig_threadlocal_unavailable
#endif #endif
#if !defined(zig_clang) && defined(zig_gnuc) && defined(zig_x86)
#define zig_f128_has_miscompilations 1
#else
#define zig_f128_has_miscompilations 0
#endif
#if defined(zig_msvc) #if defined(zig_msvc)
#define zig_const_arr #define zig_const_arr
#define zig_callconv(c) __##c #define zig_callconv(c) __##c
@ -416,8 +390,6 @@ typedef char bool;
#define zig_noreturn #define zig_noreturn
#endif #endif
#define zig_bitSizeOf(T) (CHAR_BIT * sizeof(T))
#define zig_compiler_rt_abbrev_uint32_t si #define zig_compiler_rt_abbrev_uint32_t si
#define zig_compiler_rt_abbrev_int32_t si #define zig_compiler_rt_abbrev_int32_t si
#define zig_compiler_rt_abbrev_uint64_t di #define zig_compiler_rt_abbrev_uint64_t di
@ -433,12 +405,25 @@ typedef char bool;
zig_extern void *memcpy (void *zig_restrict, void const *zig_restrict, size_t); zig_extern void *memcpy (void *zig_restrict, void const *zig_restrict, size_t);
zig_extern void *memset (void *, int, size_t); zig_extern void *memset (void *, int, size_t);
/* ===================== 8/16/32/64-bit Integer Support ===================== */ /* ================ Bool and 8/16/32/64-bit Integer Support ================= */
#include <limits.h>
#define zig_bitSizeOf(T) (CHAR_BIT * sizeof(T))
#if __STDC_VERSION__ >= 202311L
/* bool, true, and false are provided by the language. */
#elif __STDC_VERSION__ >= 199901L || zig_has_include(<stdbool.h>)
#include <stdbool.h>
#else
typedef char bool;
#define false 0
#define true 1
#endif
#if __STDC_VERSION__ >= 199901L || defined(zig_msvc) || zig_has_include(<stdint.h>) #if __STDC_VERSION__ >= 199901L || defined(zig_msvc) || zig_has_include(<stdint.h>)
#include <stdint.h> #include <stdint.h>
#else #else
#if SCHAR_MIN == ~0x7F && SCHAR_MAX == 0x7F && UCHAR_MAX == 0xFF #if SCHAR_MIN == ~0x7F && SCHAR_MAX == 0x7F && UCHAR_MAX == 0xFF
typedef unsigned char uint8_t; typedef unsigned char uint8_t;
typedef signed char int8_t; typedef signed char int8_t;
@ -3096,6 +3081,12 @@ static inline uint16_t zig_popcount_big(const void *val, bool is_signed, uint16_
/* ========================= Floating Point Support ========================= */ /* ========================= Floating Point Support ========================= */
#ifndef __STDC_WANT_IEC_60559_TYPES_EXT__
#define __STDC_WANT_IEC_60559_TYPES_EXT__
#endif
#include <float.h>
#if defined(zig_msvc) #if defined(zig_msvc)
float __cdecl nanf(char const* input); float __cdecl nanf(char const* input);
double __cdecl nan(char const* input); double __cdecl nan(char const* input);
@ -3263,6 +3254,12 @@ typedef zig_u128 zig_f80;
#define zig_init_special_f80(sign, name, arg, repr) repr #define zig_init_special_f80(sign, name, arg, repr) repr
#endif #endif
#if !defined(zig_clang) && defined(zig_gnuc) && defined(zig_x86)
#define zig_f128_has_miscompilations 1
#else
#define zig_f128_has_miscompilations 0
#endif
#define zig_has_f128 1 #define zig_has_f128 1
#define zig_libc_name_f128(name) name##q #define zig_libc_name_f128(name) name##q
#define zig_init_special_f128(sign, name, arg, repr) zig_make_special_f128(sign, name, arg, repr) #define zig_init_special_f128(sign, name, arg, repr) zig_make_special_f128(sign, name, arg, repr)
@ -4006,6 +4003,10 @@ static inline void zig_msvc_atomic_store_i128(zig_i128 volatile* obj, zig_i128 a
/* ======================== Special Case Intrinsics ========================= */ /* ======================== Special Case Intrinsics ========================= */
#if defined(zig_msvc)
#include <intrin.h>
#endif
#if defined(zig_thumb) #if defined(zig_thumb)
static inline void* zig_thumb_windows_teb(void) { static inline void* zig_thumb_windows_teb(void) {