SymAddress.h

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/*
 *      util::SymAddress interface
 *
 *      This file is part of OTAWA
 *      Copyright (c) 2015, IRIT - UPS.
 *
 *      OTAWA 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 2 of the License, or
 *      (at your option) any later version.
 *
 *      OTAWA 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 OTAWA; if not, write to the Free Software
 *      Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 *      02110-1301  USA
 */
#ifndef OTAWA_UTIL_SYMADDRESS_H_
#define OTAWA_UTIL_SYMADDRESS_H_

#include <elm/io.h>
#include <otawa/base.h>
#include <otawa/prog/WorkSpace.h>

namespace otawa {

using namespace elm;
class CFG;

class SymAddress {
public:
        static SymAddress *parse(string str) throw(otawa::Exception);
        virtual ~SymAddress(void);
        virtual Address toAddress(WorkSpace *ws) = 0;
        virtual CFG *cfg(WorkSpace *ws) = 0;
        virtual void print(io::Output& out) = 0;
};

class AbsoluteAddress: public SymAddress {
public:
        AbsoluteAddress(Address addr);
        virtual Address toAddress(WorkSpace *ws);
        virtual CFG *cfg(WorkSpace *ws);
        virtual void print(io::Output& out);
private:
        Address _addr;
};

class LabelAddress: public SymAddress {
public:
        LabelAddress(string label, t::int32 offset = 0);
        virtual Address toAddress(WorkSpace *ws);
        virtual CFG *cfg(WorkSpace *ws);
        virtual void print(io::Output& out);
private:
        string _label;
        t::int32 _offset;
};

inline io::Output& operator<<(io::Output& out, SymAddress *addr) {
        addr->print(out);
        return out;
}

}       //otawa

#endif /* OTAWA_UTIL_SYMADDRESS_H_ */