prime/include/rstl/construct.hpp

86 lines
1.8 KiB
C++

#ifndef _RSTL_CONSTRUCT_HPP
#define _RSTL_CONSTRUCT_HPP
#include "types.h"
namespace rstl {
template < typename T >
inline void construct(void* dest, const T& src) {
new (dest) T(src);
}
template < typename T >
inline void destroy(T* in) {
in->~T();
}
// template < typename T >
// inline void destroy(const T* in) {}
template < typename Iter >
inline void destroy(Iter begin, Iter end) {
Iter current = begin;
while (current != end) {
current.destroy();
++current;
}
}
template < typename S >
inline void destroy(S* begin, S* end) {
S* current = begin;
while (current != end) {
destroy(current);
++current;
}
}
template < typename Iter, typename T >
inline void uninitialized_copy(Iter begin, Iter end, T* out) {
Iter current = begin;
while (current != end) {
construct(out, *current);
current.destroy();
++out;
++current;
}
}
template < typename S, typename D >
inline void uninitialized_copy(D* out, S* begin, S* end) {
while (begin != end) {
construct(out, *begin);
++out;
++begin;
}
// rstl::destroy(begin, end);
}
// FIXME this is a hack around regalloc
// need to figure out the proper types/positions for all of these funcs
template < typename S, typename D >
inline void uninitialized_copy_2(S* begin, D* out, S* end) {
while (begin != end) {
construct(out, *begin);
++out;
++begin;
}
}
template < typename S, typename D >
// inline void uninitialized_copy_n(S* src, int count, D* dest) {
inline void uninitialized_copy_n(D* dest, S* src, int count) {
for (int i = 0; i < count; ++dest, ++i, ++src) {
construct(dest, *src);
}
// destroy(src, src + count); ??
}
template < typename D, typename S >
inline void uninitialized_fill_n(D dest, int count, const S& value) {
for (int i = 0; i < count; ++dest, ++i) {
construct(dest, value);
}
}
} // namespace rstl
#endif