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z3/lib/scoped_numeral_vector.h
Leonardo de Moura e9eab22e5c Z3 sources
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-02 11:35:25 -07:00

68 lines
1.6 KiB
C++

/*++
Copyright (c) 2011 Microsoft Corporation
Module Name:
scoped_numeral_vector.h
Abstract:
Wrapper for easying the pain when using vectors of numerals.
Author:
Leonardo de Moura (leonardo) 2011-12-03
Revision History:
--*/
#ifndef _SCOPED_NUMERAL_VECTOR_H_
#define _SCOPED_NUMERAL_VECTOR_H_
#include"vector.h"
template<typename Manager>
class _scoped_numeral_vector : public svector<typename Manager::numeral> {
Manager & m_manager;
_scoped_numeral_vector(_scoped_numeral_vector const & v);
public:
_scoped_numeral_vector(Manager & m):m_manager(m) {}
~_scoped_numeral_vector() {
reset();
}
void reset() {
unsigned sz = this->size();
for (unsigned i = 0; i < sz; i++) {
m().del(this->operator[](i));
}
svector<typename Manager::numeral>::reset();
}
Manager & m() const { return m_manager; }
void push_back(typename Manager::numeral const & v) {
svector<typename Manager::numeral>::push_back(typename Manager::numeral());
m_manager.set(this->back(), v);
}
void shrink(unsigned sz) {
unsigned old_sz = this->size();
if (old_sz == sz)
return;
for (unsigned i = sz; i < old_sz; i++)
m().del(this->operator[](i));
svector<typename Manager::numeral>::shrink(sz);
}
void resize(unsigned sz) {
unsigned old_sz = this->size();
if (sz <= old_sz)
shrink(sz);
typename Manager::numeral zero(0);
svector<typename Manager::numeral>::resize(sz, zero);
}
};
#endif