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69 lines
2 KiB
C++
69 lines
2 KiB
C++
#pragma once
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#include <iostream>
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#include <source_location>
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#include <string>
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namespace error_handling {
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inline void print_position(std::ostream &out,
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std::pair<size_t, size_t> start_position,
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std::pair<size_t, size_t> end_position) {
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out << '[' << start_position.first + 1 << ", " << start_position.second + 1
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<< "] - [" << end_position.first + 1 << ", " << end_position.second + 1
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<< ']';
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}
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inline void print_source_location(std::ostream &out,
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const std::source_location &location) {
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out << "\x1b[1;33mSOURCE LOCATION:\x1b[0m " << location.file_name() << "("
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<< location.line() << ":" << location.column() << ") `"
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<< location.function_name() << "`.\n";
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}
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inline void handle_general_error(std::string_view message) {
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std::cerr << "\x1b[1;31mGeneral Error:\x1b[0m " << message << ".\n";
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exit(1);
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}
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inline void
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expect(bool condition, std::string_view failure_message,
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const std::source_location &location = std::source_location::current()) {
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if (!condition) {
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std::cerr << "\x1b[1;33mExpected condition failed (compiler error):\x1b[0m "
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<< failure_message << ".\n";
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print_source_location(std::cerr, location);
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exit(1);
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}
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}
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inline void
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ensure(bool condition, std::string_view failure_message,
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const std::source_location &location = std::source_location::current()) {
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if (!condition) {
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std::cerr << "\x1b[1;33mEnsured condition failed (compiler error):\x1b[0m "
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<< failure_message << ".\n";
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print_source_location(std::cerr, location);
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exit(1);
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}
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}
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} // namespace error_handling
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namespace utils {
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// in std from c++23
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[[noreturn]] inline void unreachable() {
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// Uses compiler specific extensions if possible.
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// Even if no extension is used, undefined behavior is still raised by
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// an empty function body and the noreturn attribute.
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#if defined(_MSC_VER) && !defined(__clang__) // MSVC
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__assume(false);
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#else // GCC, Clang
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__builtin_unreachable();
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#endif
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}
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} // namespace utils
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