/* * Copyright (c) 2018-2020, Andreas Kling * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include __BEGIN_DECLS #ifdef DEBUG __attribute__((noreturn)) void __assertion_failed(const char* msg); # define __stringify_helper(x) # x # define __stringify(x) __stringify_helper(x) # define assert(expr) \ do { \ if (__builtin_expect(!(expr), 0)) \ __assertion_failed(#expr "\n" __FILE__ ":" __stringify(__LINE__)); \ } while (0) # define VERIFY_NOT_REACHED() assert(false) #else # define assert(expr) ((void)(0)) # define VERIFY_NOT_REACHED() CRASH() #endif #define CRASH() \ do { \ asm volatile("ud2"); \ } while (0) #define VERIFY assert #define TODO VERIFY_NOT_REACHED #ifndef __cplusplus # define static_assert _Static_assert #endif __END_DECLS