mirror of
https://github.com/KingDuckZ/dindexer.git
synced 2024-12-01 01:45:42 +00:00
118 lines
4.3 KiB
C++
118 lines
4.3 KiB
C++
/* Copyright 2015, 2016, Michele Santullo
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* This file is part of "dindexer".
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*
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* "dindexer" is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* "dindexer" is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with "dindexer". If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace dinhelp {
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namespace {
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#if defined(ASSERTIONSENABLED)
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const char g_guard = 0xAB;
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#endif
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} //unnamed namespace
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///-------------------------------------------------------------------------
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///-------------------------------------------------------------------------
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template <typename T, size_t S, typename A>
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AutomemRawBase_heap<T, S, A>::AutomemRawBase_heap() {
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#if !defined(NDEBUG)
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m_localMem = nullptr;
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#endif
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}
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///-------------------------------------------------------------------------
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///-------------------------------------------------------------------------
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template <typename T, size_t S, typename A>
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AutomemRawBase_heap<T, S, A>::AutomemRawBase_heap (AutomemRawBase_heap&& parOther) {
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#if !defined(NDEBUG)
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m_localMem = nullptr;
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#endif
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this->swap(parOther);
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}
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///-------------------------------------------------------------------------
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///-------------------------------------------------------------------------
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template <typename T, size_t S, typename A>
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T* AutomemRawBase_heap<T, S, A>::AllocMemory() {
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#if !defined(NDEBUG)
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Assert(nullptr == m_localMem);
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#endif
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m_localMem = A().allocate(S);
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#if defined(ASSERTIONSENABLED)
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assert(reinterpret_cast<PTR_INT_TYPE>(m_localMem) % alignof(T) == 0); //Make sure alignment is correct
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std::fill(
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reinterpret_cast<char*>(&m_localMem[0]),
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reinterpret_cast<char*>(&m_localMem[0]) + sizeof(m_localMem),
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g_guard
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);
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#endif
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return m_localMem;
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}
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///-------------------------------------------------------------------------
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///-------------------------------------------------------------------------
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template <typename T, size_t S, typename A>
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void AutomemRawBase_heap<T, S, A>::FreeMemory() noexcept {
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#if !defined(NDEBUG)
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Assert(nullptr != m_localMem);
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#endif
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A().deallocate(m_localMem, S);
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#if !defined(NDEBUG)
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m_localMem = nullptr;
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#endif
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}
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///-------------------------------------------------------------------------
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///-------------------------------------------------------------------------
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template <typename T, size_t S, typename A>
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template <typename... Args>
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T* AutomemRawBase_heap<T, S, A>::GetNewT (size_t parIndex, Args&&... parArgs) {
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assert(parIndex < S);
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T* const location = m_localMem + parIndex;
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#if defined(ASSERTIONSENABLED)
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assert(reinterpret_cast<PTR_INT_TYPE>(location) % alignof(T) == 0);
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assert(g_guard == *reinterpret_cast<const char*>(location));
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#endif
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return new(location) T(std::forward<Args...>(parArgs)...);
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}
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///-------------------------------------------------------------------------
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///-------------------------------------------------------------------------
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template <typename T, size_t S>
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T* AutomemRawBase_stack<T, S>::AllocMemory() {
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#if defined(ASSERTIONSENABLED)
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assert(reinterpret_cast<PTR_INT_TYPE>(m_localMem) % alignof(T) == 0); //Make sure alignment is correct
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std::fill(
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reinterpret_cast<char*>(&m_localMem[0]),
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reinterpret_cast<char*>(&m_localMem[0]) + sizeof(m_localMem),
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g_guard
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);
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#endif
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return reinterpret_cast<T*>(&m_localMem[0]);
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}
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///-------------------------------------------------------------------------
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///-------------------------------------------------------------------------
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template <typename T, size_t S>
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template <typename... Args>
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T* AutomemRawBase_stack<T, S>::GetNewT (size_t parIndex, Args&&... parArgs) {
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assert(parIndex < S);
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auto* const location = &m_localMem[parIndex];
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#if defined(ASSERTIONSENABLED)
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assert(reinterpret_cast<PTR_INT_TYPE>(location) % alignof(T) == 0);
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assert(g_guard == *reinterpret_cast<const char*>(location));
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#endif
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return new(location) T(std::forward<Args...>(parArgs)...);
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}
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} //namespace dinhelp
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