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9bcf0b70cb
This is a very cheesy patch and I don't like it, but as Qt Creator does not grok C++20 concepts yet, this makes it possible to still use syntax highlighting. We'll remove this hack the moment it stops being a problem. Note that it doesn't actually affect the build since we use GCC, not Clang.
78 lines
2.3 KiB
C++
78 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/StdLibExtras.h>
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#include <AK/Types.h>
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namespace AK {
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// HACK: This is just here to make syntax highlighting work in Qt Creator.
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// Once it supports C++20 concepts, we can remove this.
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#ifdef __clang__
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template<typename T>
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#else
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template<typename T>
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concept PointerTypeName = IsPointer<T>::value;
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template<PointerTypeName T>
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#endif
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class Userspace {
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public:
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Userspace() { }
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operator bool() const { return m_ptr; }
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operator FlatPtr() const { return (FlatPtr)m_ptr; }
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#ifdef KERNEL
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Userspace(FlatPtr ptr)
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: m_ptr(ptr)
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{
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}
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FlatPtr ptr() const { return m_ptr; }
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T unsafe_userspace_ptr() const { return (T)m_ptr; }
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#else
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Userspace(T ptr)
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: m_ptr(ptr)
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{
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}
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T ptr() const { return m_ptr; }
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#endif
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private:
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#ifdef KERNEL
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FlatPtr m_ptr { 0 };
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#else
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T m_ptr { nullptr };
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#endif
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};
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}
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using AK::Userspace;
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