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/* -*- C++ -*-
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2024 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef smallvectorH
#define smallvectorH
#include <cstddef>
static constexpr std::size_t DefaultSmallVectorSize = 3;
#ifdef HAVE_BOOST
#include <boost/container/small_vector.hpp>
template<typename T, std::size_t N = DefaultSmallVectorSize>
using SmallVector = boost::container::small_vector<T, N>;
#else
#include <utility>
#include <vector>
template<class T, std::size_t N>
struct TaggedAllocator : std::allocator<T>
{
template<class ... Ts>
// cppcheck-suppress noExplicitConstructor
// NOLINTNEXTLINE(google-explicit-constructor)
TaggedAllocator(Ts&&... ts)
: std::allocator<T>(std::forward<Ts>(ts)...)
{}
template<class U>
// cppcheck-suppress noExplicitConstructor
// NOLINTNEXTLINE(google-explicit-constructor)
TaggedAllocator(const TaggedAllocator<U, N> /*unused*/) {}
template<class U>
struct rebind
{
using other = TaggedAllocator<U, N>;
};
};
template<typename T, std::size_t N = DefaultSmallVectorSize>
class SmallVector : public std::vector<T, TaggedAllocator<T, N>>
{
public:
template<class ... Ts>
// NOLINTNEXTLINE(google-explicit-constructor)
SmallVector(Ts&&... ts)
: std::vector<T, TaggedAllocator<T, N>>(std::forward<Ts>(ts)...)
{
this->reserve(N);
}
};
#endif
#endif
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