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Swap Boost.Container's small_vector out for LLVM's

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This implementation misses a shrink to fit function, but reassigning the
vector with a fresh one should be equivalent.
This commit is contained in:
Robbert van der Helm
2022-04-14 23:31:14 +02:00
parent fd25010aca
commit b2a15620f3
18 changed files with 1601 additions and 97 deletions
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src/common/bitsery/traits/small-vector.h
+14 -28
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@@ -17,44 +17,30 @@
#pragma once
#include <bitsery/traits/core/std_defaults.h>
#include <boost/container/detail/is_contiguous_container.hpp>
#include <boost/container/small_vector.hpp>
#include <llvm/small-vector.h>
namespace bitsery {
namespace traits {
template <typename T, size_t N, typename Allocator>
struct ContainerTraits<boost::container::small_vector<T, N, Allocator>>
: public StdContainer<boost::container::small_vector<T, N, Allocator>,
true,
true> {
// Unlike `std::vector`, I'm pretty sure
// `boost::container::small_vector<bool, N>` is contiguous. So hopefully
// this assertion does its thing.
static_assert(boost::container::dtl::is_contiguous_container<
boost::container::small_vector<T, N, Allocator>>::value);
template <typename T, unsigned N>
struct ContainerTraits<llvm::SmallVector<T, N>>
: public StdContainer<llvm::SmallVector<T, N>, true, true> {
// The small vector implementation needs to be contiguous for this to work
};
template <typename T, size_t N, typename Allocator>
struct BufferAdapterTraits<boost::container::small_vector<T, N, Allocator>>
: public StdContainerForBufferAdapter<
boost::container::small_vector<T, N, Allocator>> {};
template <typename T, unsigned N>
struct BufferAdapterTraits<llvm::SmallVector<T, N>>
: public StdContainerForBufferAdapter<llvm::SmallVector<T, N>> {};
// And the same extensions again for the type erased version
template <typename T, typename Allocator>
struct ContainerTraits<boost::container::small_vector_base<T, Allocator>>
: public StdContainer<boost::container::small_vector_base<T, Allocator>,
true,
true> {
static_assert(boost::container::dtl::is_contiguous_container<
boost::container::small_vector_base<T, Allocator>>::value);
};
template <typename T>
struct ContainerTraits<llvm::SmallVectorImpl<T>>
: public StdContainer<llvm::SmallVectorImpl<T>, true, true> {};
template <typename T, typename Allocator>
struct BufferAdapterTraits<boost::container::small_vector_base<T, Allocator>>
: public StdContainerForBufferAdapter<
boost::container::small_vector_base<T, Allocator>> {};
template <typename T>
struct BufferAdapterTraits<llvm::SmallVectorImpl<T>>
: public StdContainerForBufferAdapter<llvm::SmallVectorImpl<T>> {};
} // namespace traits
} // namespace bitsery