panic.hpp

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#pragma once
 
#include <concepts>
#include <cstdlib>
#include <source_location>
#include <string_view>
 
#include "fmt/format.h"
 
namespace porytiles2 {
 
struct StringViewSourceLoc {
    template <class T>
        requires std::constructible_from<std::string_view, T>
    // NOLINTNEXTLINE
    StringViewSourceLoc(const T &msg, const std::source_location loc = std::source_location::current()) noexcept
        : msg_{msg}, loc_{loc}
    {
    }
 
    std::string_view msg_;
    std::source_location loc_;
};
 
[[noreturn]] inline void panic(const StringViewSourceLoc &s)
{
    const auto msg = fmt::format("{}:{} panic: {}\n", s.loc_.file_name(), s.loc_.line(), s.msg_);
    std::fputs(msg.c_str(), stderr);
    std::abort();
}
 
inline void assert_or_panic(const bool condition, const StringViewSourceLoc &s)
{
    if (!condition) {
        const auto msg = fmt::format("{}:{} panic: {}\n", s.loc_.file_name(), s.loc_.line(), s.msg_);
        std::fputs(msg.c_str(), stderr);
        std::abort();
    }
}
 
} // namespace porytiles2