iapihax.h

/* 
 * Copyright (c) 1996-2010 Barton P. Miller
 * 
 * We provide the Paradyn Parallel Performance Tools (below
 * described as "Paradyn") on an AS IS basis, and do not warrant its
 * validity or performance.  We reserve the right to update, modify,
 * or discontinue this software at any time.  We shall have no
 * obligation to supply such updates or modifications or any other
 * form of support to you.
 * 
 * By your use of Paradyn, you understand and agree that we (or any
 * other person or entity with proprietary rights in Paradyn) are
 * under no obligation to provide either maintenance services,
 * update services, notices of latent defects, or correction of
 * defects for Paradyn.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */
#include <stdio.h>

#include "Expression.h"
#include "Visitor.h"

using namespace Dyninst::InstructionAPI;

class ExpTyper : public Visitor
{
    private:
        bool _is_reg;
        bool _is_imm;

    public:
        ExpTyper() : _is_reg(false), _is_imm(false) { }

        void visit(BinaryFunction *) { reset(); }
        void visit(Dereference *) { reset(); }
        void visit(Immediate *) { reset(); _is_imm = true; }
        void visit(RegisterAST *) { reset(); _is_reg = true; }

        bool reg() const {return _is_reg; }
        bool imm() const {return _is_imm; }
    
    private:
        void reset() { _is_reg = false; _is_imm = false; }
};