std-stacktrace.hpp

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//          Copyright Dominic (DNKpp) Koepke 2024 - 2025.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          https://www.boost.org/LICENSE_1_0.txt)
 
#ifndef MIMICPP_EXT_STACKTRACE_STD_STACKTRACE_HPP
#define MIMICPP_EXT_STACKTRACE_STD_STACKTRACE_HPP
 
#include "mimic++/Fwd.hpp"
#include "mimic++/config/Config.hpp"
 
#ifndef MIMICPP_DETAIL_IS_MODULE
    #include <limits>
    #include <stacktrace>
    #include <string>
#endif
 
struct mimicpp::util::stacktrace::find_backend
{
    using type = std::stacktrace;
};
 
template <typename Allocator>
struct mimicpp::util::stacktrace::backend_traits<std::basic_stacktrace<Allocator>>
{
    using Backend = std::basic_stacktrace<Allocator>;
 
    [[nodiscard]]
    static Backend current(std::size_t const skip, std::size_t const max) noexcept
    {
        MIMICPP_ASSERT(skip < std::numeric_limits<std::size_t>::max() - max, "Skip + max is too high.");
 
        return Backend::current(skip + 1, max);
    }
 
    [[nodiscard]]
    static Backend current(std::size_t const skip) noexcept
    {
        MIMICPP_ASSERT(skip < std::numeric_limits<std::size_t>::max(), "Skip is too high.");
 
        return Backend::current(skip + 1);
    }
 
    [[nodiscard]]
    static std::size_t size(Backend const& backend) noexcept
    {
        return backend.size();
    }
 
    [[nodiscard]]
    static bool empty(Backend const& backend) noexcept
    {
        return backend.empty();
    }
 
    [[nodiscard]]
    static std::string description(Backend const& backend, std::size_t const at)
    {
        return entry(backend, at).description();
    }
 
    [[nodiscard]]
    static std::string source_file(Backend const& backend, std::size_t const at)
    {
        return entry(backend, at).source_file();
    }
 
    [[nodiscard]]
    static std::size_t source_line(Backend const& backend, std::size_t const at)
    {
        return entry(backend, at).source_line();
    }
 
    [[nodiscard]]
    static std::stacktrace_entry const& entry(Backend const& backend, std::size_t const at)
    {
        return backend.at(at);
    }
};
 
#endif