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debug_count.h
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/******************************************************************************
The MIT License(MIT)
Embedded Template Library.
https://github.com/ETLCPP/etl
https://www.etlcpp.com
Copyright(c) 2017 John Wellbelove
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files(the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions :
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
******************************************************************************/
#ifndef ETL_DEBUG_COUNT_INCLUDED
#define ETL_DEBUG_COUNT_INCLUDED
#include "platform.h"
#include "atomic.h"
#include <assert.h>
#include <stdint.h>
#if defined(ETL_DEBUG_COUNT)
#define ETL_DECLARE_DEBUG_COUNT etl::debug_count etl_debug_count
#define ETL_SET_DEBUG_COUNT(n) etl_debug_count.set(n)
#define ETL_GET_DEBUG_COUNT etl_debug_count.get()
#define ETL_INCREMENT_DEBUG_COUNT ++etl_debug_count
#define ETL_DECREMENT_DEBUG_COUNT --etl_debug_count
#define ETL_ADD_DEBUG_COUNT(n) etl_debug_count += (n)
#define ETL_SUBTRACT_DEBUG_COUNT(n) etl_debug_count -= (n)
#define ETL_RESET_DEBUG_COUNT etl_debug_count.clear()
#define ETL_OBJECT_RESET_DEBUG_COUNT(object) object.etl_debug_count.clear()
#define ETL_OBJECT_GET_DEBUG_COUNT(object) object.etl_debug_count.get()
namespace etl
{
//***************************************************************************
//***************************************************************************
class debug_count
{
public:
debug_count()
: count(0)
{
}
~debug_count()
{
assert(count == 0);
}
debug_count& operator++()
{
++count;
return *this;
}
debug_count& operator--()
{
--count;
assert(count >= 0);
return *this;
}
template <typename T>
debug_count& operator+=(T n)
{
count += int32_t(n);
return *this;
}
template <typename T>
debug_count& operator-=(T n)
{
count -= int32_t(n);
return *this;
}
debug_count& operator=(const debug_count& other)
{
count.store(other.count.load());
return *this;
}
#if ETL_HAS_ATOMIC
void swap(debug_count& other) ETL_NOEXCEPT // NOT ATOMIC
{
int32_t temp = other.count.load();
other.count.store(count.load());
count.store(temp);
}
#else
void swap(debug_count& other) ETL_NOEXCEPT
{
swap(count, other.count);
}
#endif
operator int32_t() const
{
return count;
}
int32_t get() const
{
return int32_t(count);
}
void set(int32_t n)
{
count = n;
}
void clear()
{
count = 0;
}
private:
#if ETL_HAS_ATOMIC
etl::atomic_int32_t count;
#else
int32_t count;
#endif
};
} // namespace etl
inline void swap(etl::debug_count& lhs, etl::debug_count& rhs)
{
lhs.swap(rhs);
}
#else
#define ETL_DECLARE_DEBUG_COUNT \
enum \
{ \
etl_debug_count_suppressed__ = 0 \
}
#define ETL_SET_DEBUG_COUNT(n) ((void)0)
#define ETL_GET_DEBUG_COUNT 0
#define ETL_INCREMENT_DEBUG_COUNT ((void)0)
#define ETL_DECREMENT_DEBUG_COUNT ((void)0)
#define ETL_ADD_DEBUG_COUNT(n) ((void)0)
#define ETL_SUBTRACT_DEBUG_COUNT(n) ((void)0)
#define ETL_RESET_DEBUG_COUNT ((void)0)
#define ETL_OBJECT_RESET_DEBUG_COUNT(object) ((void)0)
#define ETL_OBJECT_GET_DEBUG_COUNT(object) 0
#endif // ETL_DEBUG_COUNT
#endif
swap
void swap(etl::array_view< T > &lhs, etl::array_view< T > &rhs) ETL_NOEXCEPT
Swaps the values.
Definition array_view.h:692
etl
Definition absolute.h:40
etl::get
T & get(array< T, Size > &a)
Definition array.h:1158
platform.h