make_error.h

/*********************************************************************************************************************************************/
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/*  document analysis. Offline processing possible for security and confidentiality                                                          */
/*                                                                                                                                           */
/*  Copyright (c) SILVERCODERS Ltd, http://silvercoders.com                                                                                  */
/*  Project homepage: https://github.com/docwire/docwire                                                                                     */
/*                                                                                                                                           */
/*  SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-DocWire-Commercial                                                                  */
/*********************************************************************************************************************************************/
 
#ifndef DOCWIRE_MAKE_ERROR_H
#define DOCWIRE_MAKE_ERROR_H
 
#include "diagnostic_context.h"
#include "error.h" // IWYU pragma: keep
#include <tuple> // IWYU pragma: keep
#include <type_traits> // IWYU pragma: keep
 
namespace docwire::errors
{

template<typename... Context>
auto make_error_from_tuple(const source_location& location, std::tuple<Context...>&& context_tuple)
{
    return std::apply([&](auto&&... args) {
        return errors::impl<std::remove_cvref_t<decltype(args)>...>(std::move(context_tuple), location);
    }, context_tuple);
}

template<typename... Context>
auto make_error_ptr_from_tuple(const source_location& location, std::tuple<Context...>&& context_tuple)
{
    return std::make_exception_ptr(make_error_from_tuple(location, std::move(context_tuple)));
}
 
} // namespace docwire::errors
 
#define DOCWIRE_MAKE_ERROR_AT_LOCATION(explicit_location, ...) \
    ::docwire::errors::make_error_from_tuple(explicit_location, std::make_tuple(DOCWIRE_DIAGNOSTIC_CONTEXT_MAKE_TUPLE(__VA_ARGS__)))
 
#define DOCWIRE_MAKE_ERROR(...) \
    DOCWIRE_MAKE_ERROR_AT_LOCATION(docwire::source_location::current() __VA_OPT__(,) __VA_ARGS__)
 
#define DOCWIRE_MAKE_ERROR_PTR(...) \
    std::make_exception_ptr(DOCWIRE_MAKE_ERROR(__VA_ARGS__))
 
#ifdef DOCWIRE_ENABLE_SHORT_MACRO_NAMES
#define make_error DOCWIRE_MAKE_ERROR
#define make_error_ptr DOCWIRE_MAKE_ERROR_PTR
#endif
 
#endif