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feat: support member function exposure

master
Dnomd343 4 months ago
parent
53092d3c9b
commit
d448d03382
1 changed files with 73 additions and 22 deletions
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  1. 95
      src/core_test/utility/exposer.h

95
src/core_test/utility/exposer.h
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@ -15,25 +15,76 @@ struct Exposer {
#define COMBINE_IMPL(x, y) x##y #define COMBINE_IMPL(x, y) x##y
#define COMBINE(x, y) COMBINE_IMPL(x, y) #define HELPER(x) COMBINE_IMPL(Helper_, x)
#define UNIQUE_TAG COMBINE(Tag, __COUNTER__) #define PROTO(x) COMBINE_IMPL(Proto_, x)
#define FORCE_ACCESS_VAR_IMPL(Class, Type, Member, Tag) \ #define FORCE_ACCESS_VAR_IMPL(Class, Type, Member, Tag) \
namespace exposer { \ struct HELPER(Tag) {}; \
struct Tag {}; \ template struct Exposer<Type(Class::*), &Class::Member, HELPER(Tag)>; \
template struct Exposer<Type(Class::*), &Class::Member, Tag>; \ constexpr Type Class::* fetch(HELPER(Tag)); \
constexpr Type Class::* fetch(Tag); \ constexpr Type Class##_##Member(Class &&c) { \
constexpr Type& Class##_##Member(Class &c) { \ return c.*fetch(HELPER(Tag){}); \
return c.*fetch(Tag{}); \ } \
} \ constexpr Type& Class##_##Member(Class &c) { \
constexpr const Type& Class##_##Member(const Class &c) { \ return c.*fetch(HELPER(Tag){}); \
return c.*fetch(Tag{}); \ } \
} \ constexpr const Type& Class##_##Member(const Class &c) { \
constexpr Type Class##_##Member(Class &&c) { \ return c.*fetch(HELPER(Tag){}); \
return c.*fetch(Tag{}); \ }
} \
} #define FORCE_ACCESS_CONST_VAR_IMPL(Class, Type, Member, Tag) \
struct HELPER(Tag) {}; \
#define FORCE_ACCESS_VAR(Class, Type, Member) \ template struct Exposer<const Type(Class::*), &Class::Member, HELPER(Tag)>; \
FORCE_ACCESS_VAR_IMPL(Class, Type, Member, UNIQUE_TAG) constexpr const Type Class::* fetch(HELPER(Tag)); \
constexpr Type Class##_##Member(Class &&c) { \
return c.*fetch(HELPER(Tag){}); \
} \
constexpr const Type& Class##_##Member(Class &c) { \
return c.*fetch(HELPER(Tag){}); \
} \
constexpr const Type& Class##_##Member(const Class &c) { \
return c.*fetch(HELPER(Tag){}); \
}
#define FORCE_ACCESS_FUNC_IMPL(Class, Proto, Member, Tag) \
struct HELPER(Tag) {}; \
using PROTO(Tag) = Proto; \
template struct Exposer<PROTO(Tag)(Class::*), &Class::Member, HELPER(Tag)>; \
constexpr PROTO(Tag) Class::* fetch(HELPER(Tag)); \
template <typename C, typename ...Args> \
requires std::is_same_v<std::remove_reference_t<C>, Class> \
constexpr decltype(auto) Class##_##Member(C &&c, Args &&...args) { \
return (std::forward<C>(c).*fetch(HELPER(Tag){}))(std::forward<Args>(args)...); \
}
#define FORCE_ACCESS_CONST_FUNC_IMPL(Class, Proto, Member, Tag) \
struct HELPER(Tag) {}; \
using PROTO(Tag) = Proto const; \
template struct Exposer<PROTO(Tag)(Class::*), &Class::Member, HELPER(Tag)>; \
constexpr PROTO(Tag) Demo::* fetch(HELPER(Tag)); \
template <typename C, typename ...Args> \
requires std::is_same_v<std::remove_const_t<std::remove_reference_t<C>>, Class> \
constexpr decltype(auto) Class##_##Member(C &&c, Args &&...args) { \
return (std::forward<C>(c).*fetch(HELPER(Tag){}))(std::forward<Args>(args)...); \
}
#define FORCE_ACCESS_VAR(Class, Type, Member) \
namespace exposer { \
FORCE_ACCESS_VAR_IMPL(Class, Type, Member, __COUNTER__) \
}
#define FORCE_ACCESS_CONST_VAR(Class, Type, Member) \
namespace exposer { \
FORCE_ACCESS_CONST_VAR_IMPL(Class, Type, Member, __COUNTER__) \
}
#define FORCE_ACCESS_FUNC(Class, Proto, Member) \
namespace exposer { \
FORCE_ACCESS_FUNC_IMPL(Class, Proto, Member, __COUNTER__) \
}
#define FORCE_ACCESS_CONST_FUNC(Class, Proto, Member) \
namespace exposer { \
FORCE_ACCESS_CONST_FUNC_IMPL(Class, Proto, Member, __COUNTER__) \
}

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