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/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file CodeLocation.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <libethsupport/Common.h>
#include <libethcore/Instruction.h>
#include "Exceptions.h"
namespace eth
{
class CodeFragment;
class CodeLocation
{
friend class CodeFragment;
public:
CodeLocation(CodeFragment* _f);
CodeLocation(CodeFragment* _f, unsigned _p): m_f(_f), m_pos(_p) {}
unsigned get() const;
void increase(unsigned _val);
void set(unsigned _val);
void set(CodeLocation _loc) { assert(_loc.m_f == m_f); set(_loc.m_pos); }
void anchor();
CodeLocation operator+(unsigned _i) const { return CodeLocation(m_f, m_pos + _i); }
private:
CodeFragment* m_f;
unsigned m_pos;
};
}
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