InterfaceMock.hpp

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// //          Copyright Dominic (DNKpp) Koepke 2024 - 2024.
// // 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_INTERFACE_MOCK_HPP
#define MIMICPP_INTERFACE_MOCK_HPP
 
#pragma once
 
#include "mimic++/Fwd.hpp"
#include "mimic++/Mock.hpp"
 
#include <type_traits>
#include <utility>
 
namespace mimicpp
{
}
 
#define MIMICPP_DETAIL_STRIP_PARENS(x) MIMICPP_DETAIL_STRIP_PARENS_OUTER(MIMICPP_DETAIL_STRIP_PARENS_INNER x)
 
#define MIMICPP_DETAIL_STRIP_PARENS_INNER(...) MIMICPP_DETAIL_STRIP_PARENS_INNER __VA_ARGS__
 
#define MIMICPP_DETAIL_STRIP_PARENS_OUTER(...) MIMICPP_DETAIL_STRIP_PARENS_OUTER_(__VA_ARGS__)
 
#define MIMICPP_DETAIL_STRIP_PARENS_OUTER_(...) MIMICPP_DETAIL_STRIP_PARENS_STRIPPED_ ## __VA_ARGS__
 
#define MIMICPP_DETAIL_STRIP_PARENS_STRIPPED_MIMICPP_DETAIL_STRIP_PARENS_INNER
 
namespace mimicpp
{
}
 
#define MIMICPP_DETAIL_PARENS ()
 
#define MIMICPP_DETAIL_COMMA_DELIMITER() ,
 
#define MIMICPP_DETAIL_NO_DELIMITER()
 
#define MIMICPP_DETAIL_IDENTITY(...) __VA_ARGS__
 
#define MIMICPP_DETAIL_EXPAND(...) MIMICPP_DETAIL_EXPAND3(MIMICPP_DETAIL_EXPAND3(MIMICPP_DETAIL_EXPAND3(MIMICPP_DETAIL_EXPAND3(__VA_ARGS__))))
 
#define MIMICPP_DETAIL_EXPAND3(...) MIMICPP_DETAIL_EXPAND2(MIMICPP_DETAIL_EXPAND2(MIMICPP_DETAIL_EXPAND2(MIMICPP_DETAIL_EXPAND2(__VA_ARGS__))))
 
#define MIMICPP_DETAIL_EXPAND2(...) MIMICPP_DETAIL_EXPAND1(MIMICPP_DETAIL_EXPAND1(MIMICPP_DETAIL_EXPAND1(MIMICPP_DETAIL_EXPAND1(__VA_ARGS__))))
 
#define MIMICPP_DETAIL_EXPAND1(...) __VA_ARGS__
 
#define MIMICPP_DETAIL_FOR_EACH_EXT_INDIRECT(macro, sequence, ...) macro(sequence, __VA_ARGS__)
 
#define MIMICPP_DETAIL_FOR_EACH_EXT(macro, token, delimiter, projection_macro, bound, ...) \
  __VA_OPT__(MIMICPP_DETAIL_EXPAND(MIMICPP_DETAIL_FOR_EACH_EXT_HELPER(macro, token, token, delimiter, projection_macro, bound, __VA_ARGS__)))
 
#define MIMICPP_DETAIL_FOR_EACH_EXT_HELPER(macro, token, sequence, delimiter, projection_macro, bound, a1, ...)                                             \
  MIMICPP_DETAIL_FOR_EACH_EXT_INDIRECT(macro, sequence, MIMICPP_DETAIL_STRIP_PARENS(bound), projection_macro(a1))                                           \
  __VA_OPT__(delimiter() MIMICPP_FOR_EACH_EXT_AGAIN MIMICPP_DETAIL_PARENS (macro, token, sequence##token, delimiter, projection_macro, bound, __VA_ARGS__))
 
#define MIMICPP_FOR_EACH_EXT_AGAIN() MIMICPP_DETAIL_FOR_EACH_EXT_HELPER
 
namespace mimicpp
{
}
 
#define MIMICPP_DETAIL_MAKE_SIGNATURE(sequence, bound_data, ret, param_type_list, specs, ...) ret param_type_list specs
 
#define MIMICPP_DETAIL_MAKE_SIGNATURE_LIST(...) \
    MIMICPP_DETAIL_FOR_EACH_EXT(                \
        MIMICPP_DETAIL_MAKE_SIGNATURE,          \
        ,                                       \
        MIMICPP_DETAIL_COMMA_DELIMITER,         \
        MIMICPP_DETAIL_STRIP_PARENS,            \
        ,                                       \
        __VA_ARGS__)
 
#define MIMICPP_DETAIL_MAKE_OVERLOADED_MOCK(mock_name, signatures)  \
    ::mimicpp::Mock< MIMICPP_DETAIL_STRIP_PARENS(signatures) > mock_name{}
 
namespace mimicpp
{
}
 
#define MIMICPP_DETAIL_MAKE_PARAM(sequence, bound_data, type) MIMICPP_DETAIL_STRIP_PARENS(type) arg_##sequence
 
#define MIMICPP_DETAIL_MAKE_PARAM_LIST(...) \
    MIMICPP_DETAIL_FOR_EACH_EXT(            \
        MIMICPP_DETAIL_MAKE_PARAM,          \
        i,                                  \
        MIMICPP_DETAIL_COMMA_DELIMITER,     \
        MIMICPP_DETAIL_IDENTITY,            \
        ,                                   \
        __VA_ARGS__)
 
namespace mimicpp
{
}
 
#define MIMICPP_DETAIL_FORWARD_ARG(sequence, bound_data, type) \
    ::std::forward<::std::add_rvalue_reference_t<MIMICPP_DETAIL_STRIP_PARENS(type)>>(arg_##sequence)
 
#define MIMICPP_DETAIL_FORWARD_ARGS(...)    \
    MIMICPP_DETAIL_FOR_EACH_EXT(            \
        MIMICPP_DETAIL_FORWARD_ARG,         \
        i,                                  \
        MIMICPP_DETAIL_COMMA_DELIMITER,     \
        MIMICPP_DETAIL_IDENTITY,            \
        ,                                   \
        __VA_ARGS__)
 
namespace mimicpp
{
}
 
#define MIMICPP_DETAIL_MAKE_OVERLOAD_INFOS_SPECS(ret, param_type_list, specs, ...) \
    (ret, param_type_list, specs, \
        (MIMICPP_DETAIL_MAKE_PARAM_LIST(MIMICPP_DETAIL_STRIP_PARENS(param_type_list))), \
        (MIMICPP_DETAIL_FORWARD_ARGS(MIMICPP_DETAIL_STRIP_PARENS(param_type_list))))
 
#define MIMICPP_DETAIL_MAKE_OVERLOAD_INFOS_BASIC(ret, param_type_list, ...) \
    MIMICPP_DETAIL_MAKE_OVERLOAD_INFOS_SPECS(ret, param_type_list, )
 
#define MIMICPP_DETAIL_SELECT_MAKE_OVERLOAD_INFOS(_1, N, ...) N
 
#define MIMICPP_ADD_OVERLOAD(ret, param_type_list, ...)                             \
    MIMICPP_DETAIL_SELECT_MAKE_OVERLOAD_INFOS(                                      \
        __VA_ARGS__,                                                                \
        MIMICPP_DETAIL_MAKE_OVERLOAD_INFOS_SPECS,                                   \
        MIMICPP_DETAIL_MAKE_OVERLOAD_INFOS_BASIC)(ret, param_type_list, __VA_ARGS__,) // clangCl doesn't compile without that extra ,
 
namespace mimicpp
{
}
 
#define MIMICPP_DETAIL_MAKE_METHOD_OVERRIDE(ignore, mock_name, fn_name, ret, param_type_list, specs, param_list, forward_list, ...) \
    inline MIMICPP_DETAIL_STRIP_PARENS(ret) fn_name param_list MIMICPP_DETAIL_STRIP_PARENS(specs) override                          \
    {                                                                                                                               \
        return mock_name (MIMICPP_DETAIL_STRIP_PARENS(forward_list));                                                               \
    }
 
#define MIMICPP_DETAIL_MAKE_METHOD_OVERRIDES(mock_name, fn_name, ...)   \
    MIMICPP_DETAIL_FOR_EACH_EXT(                                        \
        MIMICPP_DETAIL_MAKE_METHOD_OVERRIDE,                            \
        ,                                                               \
        MIMICPP_DETAIL_NO_DELIMITER,                                    \
        MIMICPP_DETAIL_STRIP_PARENS,                                    \
        (mock_name, fn_name),                                           \
        __VA_ARGS__)
 
#define MIMICPP_MOCK_OVERLOADED_METHOD(fn_name, ...)                        \
    MIMICPP_DETAIL_MAKE_METHOD_OVERRIDES(fn_name##_, fn_name, __VA_ARGS__)  \
    MIMICPP_DETAIL_MAKE_OVERLOADED_MOCK(                                    \
        fn_name##_,                                                         \
        (MIMICPP_DETAIL_MAKE_SIGNATURE_LIST(__VA_ARGS__)))
 
#define MIMICPP_MOCK_METHOD(fn_name, ret, param_type_list, ...)                 \
    MIMICPP_MOCK_OVERLOADED_METHOD(                                             \
        fn_name,                                                                \
        MIMICPP_ADD_OVERLOAD(ret, param_type_list __VA_OPT__(,) __VA_ARGS__ ))
 
#ifndef MIMICPP_CONFIG_ONLY_PREFIXED_MACROS
 
#define MOCK_METHOD                 MIMICPP_MOCK_METHOD
 
#define MOCK_OVERLOADED_METHOD      MIMICPP_MOCK_OVERLOADED_METHOD
 
#define ADD_OVERLOAD                MIMICPP_ADD_OVERLOAD
 
#endif
 
#endif