mirror of
https://github.com/ziglang/zig.git
synced 2025-12-25 07:33:08 +00:00
78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
/*
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* Copyright (c) 2015 Andrew Kelley
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*
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* This file is part of zig, which is MIT licensed.
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* See http://opensource.org/licenses/MIT
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*/
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#ifndef ZIG_UTIL_BASE_HPP
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#define ZIG_UTIL_BASE_HPP
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#include <assert.h>
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#if defined(_MSC_VER)
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#define ATTRIBUTE_COLD __declspec(noinline)
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#define ATTRIBUTE_PRINTF(a, b)
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#define ATTRIBUTE_RETURNS_NOALIAS __declspec(restrict)
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#define ATTRIBUTE_NORETURN __declspec(noreturn)
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#define ATTRIBUTE_MUST_USE
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#define BREAKPOINT __debugbreak()
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#else
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#define ATTRIBUTE_COLD __attribute__((cold))
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#define ATTRIBUTE_PRINTF(a, b) __attribute__((format(printf, a, b)))
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#define ATTRIBUTE_RETURNS_NOALIAS __attribute__((__malloc__))
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#define ATTRIBUTE_NORETURN __attribute__((noreturn))
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#define ATTRIBUTE_MUST_USE __attribute__((warn_unused_result))
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#if defined(__MINGW32__) || defined(__MINGW64__)
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#define BREAKPOINT __debugbreak()
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#elif defined(__i386__) || defined(__x86_64__)
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#define BREAKPOINT __asm__ volatile("int $0x03");
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#elif defined(__clang__)
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#define BREAKPOINT __builtin_debugtrap()
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#elif defined(__GNUC__)
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#define BREAKPOINT __builtin_trap()
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#else
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#include <signal.h>
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#define BREAKPOINT raise(SIGTRAP)
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#endif
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#endif
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ATTRIBUTE_COLD
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ATTRIBUTE_NORETURN
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ATTRIBUTE_PRINTF(1, 2)
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void zig_panic(const char *format, ...);
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static inline void zig_assert(bool ok, const char *file, int line, const char *func) {
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if (!ok) {
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zig_panic("Assertion failed at %s:%d in %s. This is a bug in the Zig compiler.", file, line, func);
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}
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}
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#ifdef _WIN32
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#define __func__ __FUNCTION__
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#endif
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#define zig_unreachable() zig_panic("Unreachable at %s:%d in %s. This is a bug in the Zig compiler.", __FILE__, __LINE__, __func__)
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// Assertions in stage1 are always on, and they call zig @panic.
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#undef assert
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#define assert(ok) zig_assert(ok, __FILE__, __LINE__, __func__)
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#if defined(_MSC_VER)
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#define ZIG_FALLTHROUGH
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#elif defined(__clang__)
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#define ZIG_FALLTHROUGH [[clang::fallthrough]]
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#elif defined(__GNUC__) && __GNUC__ >= 7
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#define ZIG_FALLTHROUGH __attribute__((fallthrough))
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#else
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#define ZIG_FALLTHROUGH
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#endif
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#endif
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