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Revert "AK: Add InitializerList, an implementation of std::initializer_list"

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This reverts commit 0a2cab0928.
This commit is contained in:
Andreas Kling 2020-05-20 15:52:20 +02:00
parent bded472ec4
commit b55b26a2bc
Notes: sideshowbarker 2024-07-19 06:18:57 +09:00
2 changed files with 10 additions and 78 deletions
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74
AK/InitializerList.h
View file

@ -1,74 +0,0 @@
/*
* Copyright (c) 2020, Andrew Kaster <andrewdkaster@gmail.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
// std::initializer_list is a special type as far as the compiler is concerned.
// As far as why it needs implemented in the library... blame the committee
namespace std {
template<class E>
class initializer_list {
public:
typedef E value_type;
typedef const E& reference;
typedef const E& const_reference;
typedef size_t size_type;
typedef const E* iterator;
typedef const E* const_iterator;
constexpr initializer_list() noexcept = default;
constexpr size_t size() const noexcept { return m_size; };
constexpr const E* begin() const noexcept { return m_begin; };
constexpr const E* end() const noexcept { return m_begin + m_size; }
private:
// Note: begin has to be first or the compiler gets very upset
const E* m_begin = { nullptr };
size_t m_size = { 0 };
// The compiler is allowed to call this constructor
constexpr initializer_list(const E* e, size_t s) noexcept
: m_begin(e)
, m_size(s)
{
}
};
template<class E>
constexpr const E* begin(initializer_list<E> il) noexcept
{
return il.begin();
}
template<class E>
constexpr const E* end(initializer_list<E> il) noexcept
{
return il.end();
}
} // end namespace std

14
AK/Vector.h
View file

@ -33,13 +33,17 @@
#include <AK/Traits.h>
#include <AK/kmalloc.h>
#ifdef __serenity__
# include <AK/InitializerList.h>
#else // !__serenity__
# include <new>
// NOTE: We can't include <initializer_list> during the toolchain bootstrap,
// since it's part of libstdc++, and libstdc++ depends on LibC.
// For this reason, we don't support Vector(initializer_list) in LibC.
#ifndef SERENITY_LIBC_BUILD
# include <initializer_list>
#endif
#ifndef __serenity__
# include <new>
#endif
namespace AK {
template<typename VectorType, typename ElementType>
@ -140,12 +144,14 @@ public:
clear();
}
#ifndef SERENITY_LIBC_BUILD
Vector(std::initializer_list<T> list)
{
ensure_capacity(list.size());
for (auto& item : list)
unchecked_append(item);
}
#endif
Vector(Vector&& other)
: m_size(other.m_size)