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96 lines
2.9 KiB
96 lines
2.9 KiB
/* |
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* Copyright (C) 2022 Riyyi |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#pragma once |
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#include <cstddef> // size_t |
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#include <cstdint> // uint32_t |
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#include <cstring> // strlen |
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#include <fstream> // ifstream |
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#include <string> |
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#include <string_view> |
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#include "util/format/format.h" |
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#include "util/meta/compiler.h" |
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#define CRASH() asm volatile("int $0x03"); |
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#ifndef NDEBUG |
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#define VERIFY(expr, ...) (static_cast<bool>(expr) ? (void)0 : Util::__assertion_failed(#expr, __FILE__, __LINE__, FUNCTION_MACRO __VA_OPT__(, ) __VA_ARGS__)) |
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#define VERIFY_NOT_REACHED() VERIFY(false) |
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#else |
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#define VERIFY(expr, ...) (static_cast<bool>(expr) ? (void)0 : CRASH() |
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#define VERIFY_NOT_REACHED() CRASH() |
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#endif |
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#ifndef NDEBUG |
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namespace Util { |
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template<typename... Parameters> |
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inline void __assertion_failed(const char* assertion, const char* file, uint32_t line, const char* function, const Parameters&... parameters) |
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{ |
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// Get the line that caused the error |
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std::ifstream source(file); |
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std::string content; |
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if (source.is_open()) { |
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for (uint32_t i = 0; std::getline(source, content); ++i) { |
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if (i == line - 1) { |
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break; |
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} |
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} |
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} |
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// Replace tab indentation with spaces |
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size_t tabs = content.find_first_not_of('\t'); |
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if (tabs > 0 && tabs < content.size()) { |
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content = std::string(tabs * 4, ' ') + content.substr(tabs); |
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} |
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// Find the assertion in the line |
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size_t column = content.find(assertion); |
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size_t assertionLength = strlen(assertion); |
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if (column == std::string::npos) { |
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column = content.find_first_not_of(' '); |
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assertionLength = content.length() - column; |
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} |
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// Error message |
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fprintf(stderr, |
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"\033[;1m%s:%u:%zu " |
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"\033[31;1merror: " |
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"\033[0massertion failed", |
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file, line, column + 1); |
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if constexpr (sizeof...(Parameters) > 0) { |
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fprintf(stderr, ": "); |
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// Cant use the formatting library to print asserts caused by the formatting library |
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std::string_view functionString = function; |
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if (functionString.find("Util::Format::") != std::string_view::npos |
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&& functionString.find("Util::GenericLexer::") != std::string_view::npos) { |
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std::string message; |
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formatTo(message, parameters...); |
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fprintf(stderr, "%s", message.c_str()); |
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} |
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else { |
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fprintf(stderr, parameters...); |
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} |
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} |
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// Code line |
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fprintf(stderr, "\n %u | %s\033[31;1m%s\033[0m%s\n", line, |
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content.substr(0, column).c_str(), // Whitespace at front |
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content.substr(column, assertionLength).c_str(), // Error portion |
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content.substr(column + assertionLength).c_str()); // Rest of the line |
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// Arrow pointer |
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fprintf(stderr, " %s | %s\033[31;1m^%s\033[0m\n", |
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std::string(std::to_string(line).length(), ' ').c_str(), // Line number spacing |
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std::string(column, ' ').c_str(), // Content spacing |
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std::string(assertionLength - 1, '~').c_str()); // Arrow pointer |
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CRASH(); |
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} |
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} // namespace Util |
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#endif
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