1 // Copyright 2022 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 #include <stdio.h> 17 #include <stdlib.h> 18 19 #include "pw_assert/config.h" 20 21 #if PW_ASSERT_ENABLE_DEBUG 22 #define _PW_ASSERT_MACRO(type) "PW_" type "() or PW_D" type "()" 23 #else 24 #define _PW_ASSERT_MACRO(type) "PW_" type "()" 25 #endif // PW_ASSERT_ENABLE_DEBUG 26 27 #ifdef __GNUC__ 28 #define _PW_ASSERT_ABORT_FUNCTION __PRETTY_FUNCTION__ 29 #else 30 #define _PW_ASSERT_ABORT_FUNCTION __func__ 31 #endif // __GNUC__ 32 33 // clang-format off 34 #define _PW_ASSERT_CRASH_BANNER \ 35 "\n" \ 36 " ▄████▄ ██▀███ ▄▄▄ ██████ ██░ ██ \n" \ 37 " ▒██▀ ▀█ ▓██ ▒ ██▒ ▒████▄ ▒██ ▒ ▓██░ ██▒\n" \ 38 " ▒▓█ �� ▄ ▓██ ░▄█ ▒ ▒██ ▀█▄ ░ ▓██▄ ▒██▀▀██░\n" \ 39 " ▒▓▓▄ ▄██▒ ▒██▀▀█▄ ░██▄▄▄▄██ ▒ ██▒ ░▓█ ░██ \n" \ 40 " ▒ ▓███▀ ░ ░██▓ ▒██▒ ▓█ ▓██▒ ▒██████▒▒ ░▓█▒░██▓\n" \ 41 " ░ ░▒ ▒ ░ ░ ▒▓ ░▒▓░ ▒▒ ▓▒█░ ▒ ▒▓▒ ▒ ░ ▒ ░░▒░▒\n" \ 42 " ░ ▒ ░▒ ░ ▒░ ▒ ▒▒ ░ ░ ░▒ ░ ░ ▒ ░▒░ ░\n" \ 43 " ░ ░░ ░ ░ ▒ ░ ░ ░ ░ ░░ ░\n" \ 44 " ░ ░ ░ ░ ░ ░ ░ ░ ░\n" \ 45 " ░\n" \ 46 "\n" 47 // clang-format on 48 49 // This assert implementation prints the file path, line number, and assert 50 // expression using printf. Uses ANSI escape codes for colors. 51 // 52 // This is done with single printf to work better in multithreaded enironments. 53 #define PW_ASSERT_HANDLE_FAILURE(expression) \ 54 PW_ASSERT_PRINT_EXPRESSION("ASSERT", expression); \ 55 fflush(stderr); \ 56 abort() 57 58 #define PW_ASSERT_PRINT_EXPRESSION(macro, expression) \ 59 fflush(stdout); \ 60 fprintf(stderr, "\033[31m" _PW_ASSERT_CRASH_BANNER "\033[0m"); \ 61 fprintf(stderr, \ 62 "\033[41m\033[37m\033[1m%s:%d:\033[0m " \ 63 "\033[1m" \ 64 _PW_ASSERT_MACRO(macro) \ 65 " " \ 66 "\033[31mFAILED!\033[0m\n\n" \ 67 " \033[33mFAILED ASSERTION\033[0m\n\n" \ 68 " %s\n\n" \ 69 " \033[33mFILE & LINE\033[0m\n\n" \ 70 " %s:%d\n\n" \ 71 " \033[33mFUNCTION\033[0m\n\n" \ 72 " %s\n\n", \ 73 __FILE__, \ 74 __LINE__, \ 75 expression, \ 76 __FILE__, \ 77 __LINE__, \ 78 _PW_ASSERT_ABORT_FUNCTION) 79