ConstraintLoader.h

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/*
 *      ConstraintLoader class implementation
 *
 *      This file is part of OTAWA
 *      Copyright (c) 2005-07, 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_IPET_CONSTRAINT_LOADER_H
#define OTAWA_IPET_CONSTRAINT_LOADER_H

#include <elm/string.h>
#include <elm/system/Path.h>
#include <elm/genstruct/HashTable.h>
#include <elm/string.h>
#include <otawa/base.h>
#include <otawa/proc/CFGProcessor.h>
#include <otawa/ilp.h>

// External class
namespace otawa {
        namespace ipet { class ConstraintLoader; }
        class ExpNode;
        class BasicBlock;
}
int ipet_parse(otawa::ipet::ConstraintLoader *);
void ipet_error(otawa::ipet::ConstraintLoader *, const char *);

namespace otawa { namespace ipet {

class NormNode;


// ConstraintLoader class
class ConstraintLoader: public CFGProcessor {
        friend int ::ipet_parse(ConstraintLoader *);
        friend void ::ipet_error(ConstraintLoader *, const char *);

public:
        static Identifier<String> PATH;
        static Registration<ConstraintLoader> reg;
        ConstraintLoader(AbstractRegistration& r = reg);

protected:
        virtual void processCFG(WorkSpace *fw, CFG *cfg);
        virtual void configure(const PropList &props = PropList::EMPTY);

private:
        WorkSpace *fw;
        ilp::System *system;
        elm::genstruct::HashTable<Address, BasicBlock *> bbs;
        elm::genstruct::HashTable<String, ilp::Var *> vars;
        elm::String path;

        BasicBlock *getBB(address_t addr);
        BasicBlock *getBB(int index);
        void newBBVar(cstring name, address_t addr);
        void newBBVar(cstring name, int index);
        bool newEdgeVar(elm::CString name, address_t src, address_t dst);
        ilp::Var *getVar(CString name);
        bool addConstraint(ExpNode *left, ilp::Constraint::comparator_t t, ExpNode *right);
        NormNode *normalize(ExpNode *node, double mult = 1);

        void error(string message);
        void fatal(string message);
};

} } // otawa::ipet

#endif  // OTAWA_IPET_CONSTRAINT_LOADER_H