panic.hpp

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