BlackMATov/meta.hpp
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family id for infos

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BlackMATov
2021-07-01 05:20:31 +07:00
parent 1c8b962f5a
commit 0e65288a9c
11 changed files with 88 additions and 15 deletions
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2
headers/meta.hpp/meta_class.hpp
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@@ -22,7 +22,7 @@ namespace meta_hpp
class class_ {
public:
explicit class_(std::string id)
: info_(std::move(id)) {}
: info_{get_family_id<Class>(), std::move(id)} {}
const class_info& info() const noexcept {
return info_;

10
headers/meta.hpp/meta_class_info.hpp
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@@ -27,9 +27,14 @@ namespace meta_hpp
class_info& operator=(class_info&&) = default;
class_info& operator=(const class_info&) = default;
class_info(std::string id)
: id_(std::move(id)) {}
class_info(family_id fid, std::string id)
: fid_(std::move(fid))
, id_(std::move(id)) {}
public:
const family_id& fid() const noexcept {
return fid_;
}
const std::string& id() const noexcept {
return id_;
}
@@ -114,6 +119,7 @@ namespace meta_hpp
detail::merge_with(variables_, other.variables_, &variable_info::merge_with_);
}
private:
family_id fid_;
std::string id_;
std::map<std::string, class_info, std::less<>> classes_;
std::map<std::string, data_info, std::less<>> datas_;

2
headers/meta.hpp/meta_field.hpp
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@@ -20,7 +20,7 @@ namespace meta_hpp
static_assert(std::is_member_object_pointer_v<decltype(Field)>);
explicit field_(std::string id)
: info_(std::move(id)) {
: info_{get_family_id<decltype(Field)>(), std::move(id)} {
info_.getter_ = &field_detail::getter<Field>;
info_.setter_ = &field_detail::setter<Field>;
}

10
headers/meta.hpp/meta_field_info.hpp
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@@ -68,9 +68,14 @@ namespace meta_hpp
field_info& operator=(field_info&&) = default;
field_info& operator=(const field_info&) = default;
field_info(std::string id)
: id_(std::move(id)) {}
field_info(family_id fid, std::string id)
: fid_(std::move(fid))
, id_(std::move(id)) {}
public:
const family_id& fid() const noexcept {
return fid_;
}
const std::string& id() const noexcept {
return id_;
}
@@ -105,6 +110,7 @@ namespace meta_hpp
detail::merge_with(datas_, other.datas_, &data_info::merge_with_);
}
private:
family_id fid_;
std::string id_;
value(*getter_)(const void*);
void(*setter_)(void*, value);

2
headers/meta.hpp/meta_function.hpp
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@@ -20,7 +20,7 @@ namespace meta_hpp
static_assert(std::is_function_v<std::remove_pointer_t<decltype(Function)>>);
explicit function_(std::string id)
: info_(std::move(id)) {
: info_{get_family_id<decltype(Function)>(), std::move(id)} {
info_.invoke_ = &function_detail::invoke<Function>;
}

10
headers/meta.hpp/meta_function_info.hpp
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@@ -75,9 +75,14 @@ namespace meta_hpp
function_info& operator=(function_info&&) = default;
function_info& operator=(const function_info&) = default;
function_info(std::string id)
: id_(std::move(id)) {}
function_info(family_id fid, std::string id)
: fid_(std::move(fid))
, id_(std::move(id)) {}
public:
const family_id& fid() const noexcept {
return fid_;
}
const std::string& id() const noexcept {
return id_;
}
@@ -112,6 +117,7 @@ namespace meta_hpp
detail::merge_with(datas_, other.datas_, &data_info::merge_with_);
}
private:
family_id fid_;
std::string id_;
value(*invoke_)(value*, std::size_t);
std::map<std::string, data_info, std::less<>> datas_;

43
headers/meta.hpp/meta_fwd.hpp
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@@ -8,6 +8,7 @@
#include <any>
#include <array>
#include <cassert>
#include <cstddef>
#include <cstdint>
#include <functional>
@@ -44,6 +45,48 @@ namespace meta_hpp
template < auto Variable > class variable_;
}
namespace meta_hpp
{
struct family_id {
using underlying_type = std::size_t;
underlying_type id{};
friend bool operator<(family_id l, family_id r) noexcept {
return l.id < r.id;
}
};
namespace family_id_detail
{
template < typename Void = void >
class type_family_base {
static_assert(
std::is_void_v<Void>,
"unexpected internal error");
protected:
static family_id::underlying_type last_id_;
};
template < typename T >
class type_family final : public type_family_base<> {
public:
static family_id id() noexcept {
static family_id self_id{++last_id_};
assert(self_id.id > 0u && "family_id overflow");
return self_id;
}
};
template < typename Void >
family_id::underlying_type type_family_base<Void>::last_id_{};
}
template < typename T >
family_id get_family_id() noexcept {
return family_id_detail::type_family<T>::id();
}
}
namespace meta_hpp
{
template < typename Signature >

2
headers/meta.hpp/meta_method.hpp
View File

@@ -20,7 +20,7 @@ namespace meta_hpp
static_assert(std::is_member_function_pointer_v<decltype(Method)>);
explicit method_(std::string id)
: info_(std::move(id)) {
: info_{get_family_id<decltype(Method)>(), std::move(id)} {
info_.invoke_ = &method_detail::invoke<Method>;
info_.cinvoke_ = &method_detail::cinvoke<Method>;
}

10
headers/meta.hpp/meta_method_info.hpp
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@@ -132,9 +132,14 @@ namespace meta_hpp
method_info& operator=(method_info&&) = default;
method_info& operator=(const method_info&) = default;
method_info(std::string id)
: id_(std::move(id)) {}
method_info(family_id fid, std::string id)
: fid_(std::move(fid))
, id_(std::move(id)) {}
public:
const family_id& fid() const noexcept {
return fid_;
}
const std::string& id() const noexcept {
return id_;
}
@@ -171,6 +176,7 @@ namespace meta_hpp
detail::merge_with(datas_, other.datas_, &data_info::merge_with_);
}
private:
family_id fid_;
std::string id_;
value(*invoke_)(void*, value*, std::size_t);
value(*cinvoke_)(const void*, value*, std::size_t);

2
headers/meta.hpp/meta_variable.hpp
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@@ -18,7 +18,7 @@ namespace meta_hpp
class variable_ {
public:
explicit variable_(std::string id)
: info_(std::move(id)) {
: info_{get_family_id<decltype(Variable)>(), std::move(id)} {
info_.getter_ = &variable_detail::getter<Variable>;
info_.setter_ = &variable_detail::setter<Variable>;
}

10
headers/meta.hpp/meta_variable_info.hpp
View File

@@ -63,9 +63,14 @@ namespace meta_hpp
variable_info& operator=(variable_info&&) = default;
variable_info& operator=(const variable_info&) = default;
variable_info(std::string id)
: id_(std::move(id)) {}
variable_info(family_id fid, std::string id)
: fid_(std::move(fid))
, id_(std::move(id)) {}
public:
const family_id& fid() const noexcept {
return fid_;
}
const std::string& id() const noexcept {
return id_;
}
@@ -103,6 +108,7 @@ namespace meta_hpp
detail::merge_with(datas_, other.datas_, &data_info::merge_with_);
}
private:
family_id fid_;
std::string id_;
value(*getter_)();
void(*setter_)(value);