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Added is_pod variants.

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WORK IN PROGRESS
This commit is contained in:
jwellbelove 2017-02-14 12:36:53 +00:00
parent 259c7a170c
commit da3510d818
1 changed files with 107 additions and 35 deletions
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142
src/memory.h
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@ -32,6 +32,9 @@ SOFTWARE.
#define __ETL_MEMORY__
#include <iterator>
#include <algorithm>
#include "type_traits.h"
///\defgroup memory memory
///\ingroup etl
@ -174,12 +177,15 @@ namespace etl
template <typename TOutputIterator>
void uninitialized_default_construct(TOutputIterator o_begin, TOutputIterator o_end)
{
typedef typename std::iterator_traits<TOutputIterator>::value_type value_type;
while (o_begin != o_end)
if (!etl::is_pod<typename std::iterator_traits<TOutputIterator>::type>::value)
{
::new (static_cast<void*>(etl::addressof(*o_begin))) value_type;
++o_begin;
typedef typename std::iterator_traits<TOutputIterator>::value_type value_type;
while (o_begin != o_end)
{
::new (static_cast<void*>(etl::addressof(*o_begin))) value_type;
++o_begin;
}
}
}
@ -191,13 +197,20 @@ namespace etl
template <typename TOutputIterator, typename TCounter>
void uninitialized_default_construct(TOutputIterator o_begin, TOutputIterator o_end, TCounter& count)
{
typedef typename std::iterator_traits<TOutputIterator>::value_type value_type;
while (o_begin != o_end)
if (!etl::is_pod<typename std::iterator_traits<TOutputIterator>::type>::value)
{
::new (static_cast<void*>(etl::addressof(*o_begin))) value_type;
++o_begin;
++count;
typedef typename std::iterator_traits<TOutputIterator>::value_type value_type;
while (o_begin != o_end)
{
::new (static_cast<void*>(etl::addressof(*o_begin))) value_type;
++o_begin;
++count;
}
}
else
{
count = std::distance(o_begin, o_end);
}
}
@ -210,7 +223,10 @@ namespace etl
{
TOutputIterator o_end = o_begin + n;
etl::uninitialized_default_construct(o_begin, o_end);
if (!etl::is_pod<typename std::iterator_traits<TOutputIterator>::type>::value)
{
etl::uninitialized_default_construct(o_begin, o_end);
}
return o_end;
}
@ -225,7 +241,14 @@ namespace etl
{
TOutputIterator o_end = o_begin + n;
etl::uninitialized_default_construct(o_begin, o_end, count);
if (!etl::is_pod<typename std::iterator_traits<TOutputIterator>::type>::value)
{
etl::uninitialized_default_construct(o_begin, o_end, count);
}
else
{
count += n;
}
return o_end;
}
@ -298,7 +321,18 @@ namespace etl
///\ingroup memory
//*****************************************************************************
template <typename T>
inline void destroy_at(T* p)
typename etl::enable_if<etl::is_pod<T>::value, void>::type
destroy_at(T* p)
{
}
//*****************************************************************************
/// Destroys an item at address p.
///\ingroup memory
//*****************************************************************************
template <typename T>
typename etl::enable_if<!etl::is_pod<T>::value, void>::type
destroy_at(T* p)
{
p->~T();
}
@ -309,7 +343,20 @@ namespace etl
///\ingroup memory
//*****************************************************************************
template <typename T, typename TCounter>
inline void destroy_at(T* p, TCounter& count)
typename etl::enable_if<etl::is_pod<T>::value, void>::type
destroy_at(T* p, TCounter& count)
{
--count;
}
//*****************************************************************************
/// Destroys an item at address p.
/// Debug counter version.
///\ingroup memory
//*****************************************************************************
template <typename T, typename TCounter>
typename etl::enable_if<!etl::is_pod<T>::value, void>::type
destroy_at(T* p, TCounter& count)
{
p->~T();
--count;
@ -322,10 +369,13 @@ namespace etl
template <typename TIterator>
void destroy(TIterator i_begin, TIterator i_end)
{
while (i_begin != i_end)
if (!etl::is_pod<typename std::iterator_traits<TIterator>::type>::value)
{
etl::destroy_at(etl::addressof(*i_begin));
++i_begin;
while (i_begin != i_end)
{
etl::destroy_at(etl::addressof(*i_begin));
++i_begin;
}
}
}
@ -337,11 +387,18 @@ namespace etl
template <typename TIterator, typename TCounter>
void destroy(TIterator i_begin, TIterator i_end, TCounter& count)
{
while (i_begin != i_end)
if (!etl::is_pod<typename std::iterator_traits<TIterator>::type>::value)
{
etl::destroy_at(etl::addressof(*i_begin));
++i_begin;
--count;
while (i_begin != i_end)
{
etl::destroy_at(etl::addressof(*i_begin));
++i_begin;
--count;
}
}
else
{
count -= std::distance(i_begin, i_end);
}
}
@ -352,14 +409,21 @@ namespace etl
template <typename TIterator, typename TSize>
TIterator destroy_n(TIterator i_begin, TSize n)
{
while (n > 0)
if (!etl::is_pod<typename std::iterator_traits<TIterator>::type>::value)
{
etl::destroy_at(etl::addressof(*i_begin));
++i_begin;
--n;
}
while (n > 0)
{
etl::destroy_at(etl::addressof(*i_begin));
++i_begin;
--n;
}
return i_begin;
return i_begin;
}
else
{
return i_begin + n;
}
}
//*****************************************************************************
@ -370,15 +434,23 @@ namespace etl
template <typename TIterator, typename TSize, typename TCounter>
TIterator destroy_n(TIterator i_begin, TSize n, TCounter& count)
{
while (n > 0)
if (!etl::is_pod<typename std::iterator_traits<TIterator>::type>::value)
{
etl::destroy_at(etl::addressof(*i_begin));
++i_begin;
--n;
--count;
}
while (n > 0)
{
etl::destroy_at(etl::addressof(*i_begin));
++i_begin;
--n;
--count;
}
return i_begin;
return i_begin;
}
else
{
count -= n;
return i_begin + n;
}
}
}