BlackMATov/meta.hpp
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replace raw new/delete calls to std::construct/destroy_at

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BlackMATov
2022-12-09 20:27:39 +07:00
parent a8d222356f
commit c61be1017a
4 changed files with 23 additions and 21 deletions
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1
headers/meta.hpp/meta_base.hpp
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@@ -20,7 +20,6 @@
#include <map>
#include <memory>
#include <mutex>
#include <new>
#include <set>
#include <span>
#include <stdexcept>

12
headers/meta.hpp/meta_base/fixed_function.hpp
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@@ -9,7 +9,7 @@
#include <cassert>
#include <cstddef>
#include <functional>
#include <new>
#include <memory>
#include <type_traits>
#include <utility>
@@ -125,21 +125,23 @@ namespace meta_hpp::detail
const Fp& src = *buffer_cast<Fp>(self.buffer_);
return std::invoke(src, std::forward<Args>(args)...);
},
.move = +[](fixed_function& from, fixed_function& to) noexcept {
assert(from && !to); // NOLINT
Fp& src = *buffer_cast<Fp>(from.buffer_);
::new (buffer_cast<Fp>(to.buffer_)) Fp(std::move(src));
src.~Fp();
std::construct_at(buffer_cast<Fp>(to.buffer_), std::move(src));
std::destroy_at(&src);
to.vtable_ = from.vtable_;
from.vtable_ = nullptr;
},
.destroy = +[](fixed_function& self){
assert(self); // NOLINT
Fp& src = *buffer_cast<Fp>(self.buffer_);
src.~Fp();
std::destroy_at(&src);
self.vtable_ = nullptr;
},
@@ -156,7 +158,7 @@ namespace meta_hpp::detail
static_assert(std::is_invocable_r_v<R, Fp, Args...>);
static_assert(std::is_nothrow_move_constructible_v<Fp>);
::new (buffer_cast<Fp>(dst.buffer_)) Fp(std::forward<Functor>(functor));
std::construct_at(buffer_cast<Fp>(dst.buffer_), std::forward<Functor>(functor));
dst.vtable_ = vtable_t::get<Fp>();
}

10
headers/meta.hpp/meta_uvalue/uvalue.hpp
View File

@@ -80,7 +80,7 @@ namespace meta_hpp
std::is_nothrow_move_constructible_v<Tp>;
if constexpr ( in_buffer ) {
::new (buffer_cast<Tp>(dst.storage_.emplace<buffer_t>())) Tp(std::forward<T>(val));
std::construct_at(buffer_cast<Tp>(dst.storage_.emplace<buffer_t>()), std::forward<T>(val));
} else {
dst.storage_.emplace<void*>(std::make_unique<Tp>(std::forward<T>(val)).release());
}
@@ -138,8 +138,8 @@ namespace meta_hpp
},
[&to](buffer_t& buffer) {
Tp& src = *buffer_cast<Tp>(buffer);
::new (buffer_cast<Tp>(to.storage_.emplace<buffer_t>())) Tp(std::move(src));
src.~Tp();
std::construct_at(buffer_cast<Tp>(to.storage_.emplace<buffer_t>()), std::move(src));
std::destroy_at(&src);
},
[](...){}
}, from.storage_);
@@ -158,7 +158,7 @@ namespace meta_hpp
},
[&to](const buffer_t& buffer) {
const Tp& src = *buffer_cast<Tp>(buffer);
::new (buffer_cast<Tp>(to.storage_.emplace<buffer_t>())) Tp(src);
std::construct_at(buffer_cast<Tp>(to.storage_.emplace<buffer_t>()), src);
},
[](...){}
}, from.storage_);
@@ -176,7 +176,7 @@ namespace meta_hpp
},
[](buffer_t& buffer) {
Tp& src = *buffer_cast<Tp>(buffer);
src.~Tp();
std::destroy_at(&src);
},
[](...){}
}, self.storage_);

21
singles/headers/meta.hpp/meta_all.hpp
View File

@@ -17,7 +17,6 @@
#include <map>
#include <memory>
#include <mutex>
#include <new>
#include <set>
#include <span>
#include <stdexcept>
@@ -427,21 +426,23 @@ namespace meta_hpp::detail
const Fp& src = *buffer_cast<Fp>(self.buffer_);
return std::invoke(src, std::forward<Args>(args)...);
},
.move = +[](fixed_function& from, fixed_function& to) noexcept {
assert(from && !to); // NOLINT
Fp& src = *buffer_cast<Fp>(from.buffer_);
::new (buffer_cast<Fp>(to.buffer_)) Fp(std::move(src));
src.~Fp();
std::construct_at(buffer_cast<Fp>(to.buffer_), std::move(src));
std::destroy_at(&src);
to.vtable_ = from.vtable_;
from.vtable_ = nullptr;
},
.destroy = +[](fixed_function& self){
assert(self); // NOLINT
Fp& src = *buffer_cast<Fp>(self.buffer_);
src.~Fp();
std::destroy_at(&src);
self.vtable_ = nullptr;
},
@@ -458,7 +459,7 @@ namespace meta_hpp::detail
static_assert(std::is_invocable_r_v<R, Fp, Args...>);
static_assert(std::is_nothrow_move_constructible_v<Fp>);
::new (buffer_cast<Fp>(dst.buffer_)) Fp(std::forward<Functor>(functor));
std::construct_at(buffer_cast<Fp>(dst.buffer_), std::forward<Functor>(functor));
dst.vtable_ = vtable_t::get<Fp>();
}
@@ -8089,7 +8090,7 @@ namespace meta_hpp
std::is_nothrow_move_constructible_v<Tp>;
if constexpr ( in_buffer ) {
::new (buffer_cast<Tp>(dst.storage_.emplace<buffer_t>())) Tp(std::forward<T>(val));
std::construct_at(buffer_cast<Tp>(dst.storage_.emplace<buffer_t>()), std::forward<T>(val));
} else {
dst.storage_.emplace<void*>(std::make_unique<Tp>(std::forward<T>(val)).release());
}
@@ -8147,8 +8148,8 @@ namespace meta_hpp
},
[&to](buffer_t& buffer) {
Tp& src = *buffer_cast<Tp>(buffer);
::new (buffer_cast<Tp>(to.storage_.emplace<buffer_t>())) Tp(std::move(src));
src.~Tp();
std::construct_at(buffer_cast<Tp>(to.storage_.emplace<buffer_t>()), std::move(src));
std::destroy_at(&src);
},
[](...){}
}, from.storage_);
@@ -8167,7 +8168,7 @@ namespace meta_hpp
},
[&to](const buffer_t& buffer) {
const Tp& src = *buffer_cast<Tp>(buffer);
::new (buffer_cast<Tp>(to.storage_.emplace<buffer_t>())) Tp(src);
std::construct_at(buffer_cast<Tp>(to.storage_.emplace<buffer_t>()), src);
},
[](...){}
}, from.storage_);
@@ -8185,7 +8186,7 @@ namespace meta_hpp
},
[](buffer_t& buffer) {
Tp& src = *buffer_cast<Tp>(buffer);
src.~Tp();
std::destroy_at(&src);
},
[](...){}
}, self.storage_);