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#ifndef DSTACK_HPP
#define DSTACK_HPP
#include "types.hpp"
namespace SpasmImpl
{
//! class representing the data stack
/*! The class is quite simple stack. It is byte-orientatied - every push
** and pop is done in bytes with no taking care of any byte order!
*/
class Dstack
{
public:
Dstack();
Dstack(const Dstack&);
Dstack& operator=(const Dstack&);
~Dstack();
void push(data_t);
void push(byte*, size_t);
void pop(void*, size_t);
data_t pop();
data_t top() const;
void reserve(size_t);
void strip_memory();
size_t size() const;
size_t reserved() const;
bool empty() const;
private:
void copy_dstack(const Dstack&);
//! pointer to the bottom of the stack
byte* bottom;
//! pointer to the top of the stack
byte* tos;
//! size of the stack in bytes
size_t s_size;
};
} // namespace SpasmImpl
#endif // #ifndef DSTACK_HPP
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