pre_main_call.hpp

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// -------------------------------------------------------//
//
// SHAMROCK code for hydrodynamics
// Copyright (c) 2021-2026 Timothée David--Cléris <tim.shamrock@proton.me>
// SPDX-License-Identifier: CeCILL Free Software License Agreement v2.1
// Shamrock is licensed under the CeCILL 2.1 License, see LICENSE for more information
//
// -------------------------------------------------------//
 
#pragma once
 
#include "shambase/unique_name_macro.hpp"
 
#define PRE_MAIN_FUNCTION_CALL_NAMED(class_name, instance_name, lambda)                            \
    namespace {                                                                                    \
        struct class_name {                                                                        \
            class_name() { lambda(); }                                                             \
        };                                                                                         \
        static const class_name instance_name{};                                                   \
    }
 
#define PRE_MAIN_FUNCTION_CALL(lambda)                                                             \
    PRE_MAIN_FUNCTION_CALL_NAMED(                                                                  \
        __shamrock_unique_name(_PRE_MAIN_FUNCTION_CALL),                                           \
        __shamrock_unique_name(_PRE_MAIN_FUNCTION_CALL_INSTANCE),                                  \
        lambda)