boostorg/smart_ptr
1
0
Fork 1
mirror of https://github.com/boostorg/smart_ptr.git synced 2025-08-01 21:54:28 +02:00
Code Issues Packages Projects Releases Wiki Activity

Special case array construction for trivially default-constructible types and array destruction for trivially-destroyable types.

Browse Source 
[SVN r81749]
This commit is contained in:
Glen Fernandes
2012-12-07 03:10:22 +00:00
parent 1209531fe0
commit b3f2ebedbc
1 changed files with 28 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
include/boost/smart_ptr/detail/array_utility.hpp
View File

@@ -17,12 +17,32 @@ namespace boost {
namespace detail { namespace detail {
template<typename T> template<typename T>
inline void array_destroy(T* memory, std::size_t size) { inline void array_destroy(T* memory, std::size_t size) {
boost::has_trivial_destructor<T> type;
array_destroy(memory, size, type);
}
template<typename T>
inline void array_destroy(T*, std::size_t, boost::true_type) {
}
template<typename T>
inline void array_destroy(T* memory, std::size_t size, boost::false_type) {
for (std::size_t i = size; i > 0; ) { for (std::size_t i = size; i > 0; ) {
memory[--i].~T(); memory[--i].~T();
} }
} }
template<typename T> template<typename T>
inline void array_construct(T* memory, std::size_t size) { inline void array_construct(T* memory, std::size_t size) {
boost::has_trivial_default_constructor<T> type;
array_construct(memory, size, type);
}
template<typename T>
inline void array_construct(T* memory, std::size_t size, boost::true_type) {
for (std::size_t i = 0; i < size; i++) {
void* p1 = memory + i;
::new(p1) T();
}
}
template<typename T>
inline void array_construct(T* memory, std::size_t size, boost::false_type) {
std::size_t i = 0; std::size_t i = 0;
try { try {
for (; i < size; i++) { for (; i < size; i++) {
@@ -92,6 +112,14 @@ namespace boost {
} }
template<typename T> template<typename T>
inline void array_construct_noinit(T* memory, std::size_t size) { inline void array_construct_noinit(T* memory, std::size_t size) {
boost::has_trivial_default_constructor<T> type;
array_construct_noinit(memory, size, type);
}
template<typename T>
inline void array_construct_noinit(T*, std::size_t, boost::true_type) {
}
template<typename T>
inline void array_construct_noinit(T* memory, std::size_t size, boost::false_type) {
std::size_t i = 0; std::size_t i = 0;
try { try {
for (; i < size; i++) { for (; i < size; i++) {