mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-08 23:42:53 +03:00
ae3ffdd521
This patch adds the `USING_AK_GLOBALLY` macro which is enabled by default, but can be overridden by build flags. This is a step towards integrating Jakt and AK types.
62 lines
1.6 KiB
C++
62 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
|
|
* Copyright (c) 2021, Leon Albrecht <leon2002.la@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Assertions.h>
|
|
#include <AK/Types.h>
|
|
|
|
namespace AK {
|
|
|
|
template<typename T>
|
|
class Ptr32 {
|
|
public:
|
|
constexpr Ptr32() = default;
|
|
Ptr32(T* const ptr)
|
|
: m_ptr((u32) reinterpret_cast<FlatPtr>(ptr))
|
|
{
|
|
VERIFY((reinterpret_cast<FlatPtr>(ptr) & 0xFFFFFFFFULL) == static_cast<FlatPtr>(m_ptr));
|
|
}
|
|
T& operator*() { return *static_cast<T*>(*this); }
|
|
T const& operator*() const { return *static_cast<T const*>(*this); }
|
|
|
|
T* operator->() { return *this; }
|
|
T const* operator->() const { return *this; }
|
|
|
|
operator T*() { return reinterpret_cast<T*>(static_cast<FlatPtr>(m_ptr)); }
|
|
operator T const*() const { return reinterpret_cast<T const*>(static_cast<FlatPtr>(m_ptr)); }
|
|
|
|
T& operator[](size_t index) { return static_cast<T*>(*this)[index]; }
|
|
T const& operator[](size_t index) const { return static_cast<T const*>(*this)[index]; }
|
|
|
|
constexpr explicit operator bool() { return m_ptr; }
|
|
template<typename U>
|
|
constexpr bool operator==(Ptr32<U> other) { return m_ptr == other.m_ptr; }
|
|
|
|
constexpr Ptr32<T> operator+(u32 other) const
|
|
{
|
|
Ptr32<T> ptr {};
|
|
ptr.m_ptr = m_ptr + other;
|
|
return ptr;
|
|
}
|
|
constexpr Ptr32<T> operator-(u32 other) const
|
|
{
|
|
Ptr32<T> ptr {};
|
|
ptr.m_ptr = m_ptr - other;
|
|
return ptr;
|
|
}
|
|
|
|
private:
|
|
u32 m_ptr { 0 };
|
|
};
|
|
|
|
}
|
|
|
|
#if USING_AK_GLOBALLY
|
|
using AK::Ptr32;
|
|
#endif
|