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mdbx++: явное определение external-инстанцирования mdbx::buffer<> c API-атрибутами.

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Леонид Юрьев (Leonid Yuriev)
2025-03-17 19:01:33 +03:00
parent 5c1745a7cd
commit 7ae11e0fdb
2 changed files with 43 additions and 4 deletions
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23
mdbx.h++
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@@ -107,6 +107,16 @@
#include <span>
#endif
#if !defined(_MSC_VER) || defined(__clang__)
/* adequate compilers */
#define MDBX_EXTERN_API_TEMPLATE(API_ATTRIBUTES, API_TYPENAME) extern template class API_ATTRIBUTES API_TYPENAME
#define MDBX_INSTALL_API_TEMPLATE(API_ATTRIBUTES, API_TYPENAME) template class API_TYPENAME
#else
/* stupid microsoft showing off */
#define MDBX_EXTERN_API_TEMPLATE(API_ATTRIBUTES, API_TYPENAME) extern template class API_TYPENAME
#define MDBX_INSTALL_API_TEMPLATE(API_ATTRIBUTES, API_TYPENAME) template class API_ATTRIBUTES API_TYPENAME
#endif
#if __cplusplus >= 201103L
#include <chrono>
#include <ratio>
@@ -1500,8 +1510,7 @@ public:
private:
friend class txn;
struct silo;
using swap_alloc = allocation_aware_details::swap_alloc<silo, allocator_type>;
using swap_alloc = allocation_aware_details::swap_alloc<struct silo, allocator_type>;
struct silo /* Empty Base Class Optimization */ : public allocator_type {
MDBX_CXX20_CONSTEXPR const allocator_type &get_allocator() const noexcept { return *this; }
MDBX_CXX20_CONSTEXPR allocator_type &get_allocator() noexcept { return *this; }
@@ -2729,6 +2738,12 @@ inline string<ALLOCATOR> make_string(const PRODUCER &producer, const ALLOCATOR &
return result;
}
MDBX_EXTERN_API_TEMPLATE(LIBMDBX_API_TYPE, buffer<legacy_allocator>);
#if defined(__cpp_lib_memory_resource) && __cpp_lib_memory_resource >= 201603L && _GLIBCXX_USE_CXX11_ABI
MDBX_EXTERN_API_TEMPLATE(LIBMDBX_API_TYPE, buffer<polymorphic_allocator>);
#endif /* __cpp_lib_memory_resource >= 201603L */
/// \brief Combines data slice with boolean flag to represent result of certain
/// operations.
struct value_result {
@@ -2854,9 +2869,13 @@ template <typename ALLOCATOR, typename CAPACITY_POLICY> struct buffer_pair_spec
operator pair() const noexcept { return pair(key, value); }
};
/// \brief Combines pair of buffers for key and value to hold an operands for certain operations.
template <typename BUFFER>
using buffer_pair = buffer_pair_spec<typename BUFFER::allocator_type, typename BUFFER::reservation_policy>;
/// \brief Default pair of buffers.
using default_buffer_pair = buffer_pair<default_buffer>;
/// end of cxx_data @}
//------------------------------------------------------------------------------