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/********************* */
/*! \file theory_bv.h
** \verbatim
** Original author: mdeters
** Major contributors: dejan
** Minor contributors (to current version): barrett
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief Bitvector theory.
**
** Bitvector theory.
**/
#include "cvc4_private.h"
#ifndef __CVC4__THEORY__BV__THEORY_BV_H
#define __CVC4__THEORY__BV__THEORY_BV_H
#include "theory/theory.h"
#include "context/context.h"
#include "context/cdset.h"
#include "equality_engine.h"
namespace CVC4 {
namespace theory {
namespace bv {
class TheoryBV : public Theory {
public:
class EqualityNotify {
TheoryBV& d_theoryBV;
public:
EqualityNotify(TheoryBV& theoryBV)
: d_theoryBV(theoryBV) {}
bool operator () (size_t triggerId) {
return d_theoryBV.triggerEquality(triggerId);
}
};
private:
/** Equality reasoning engine */
EqualityEngine<TheoryBV, EqualityNotify> d_eqEngine;
/** Equality triggers indexed by ids from the equality manager */
std::vector<Node> d_triggers;
/** The asserted stuff */
context::CDSet<TNode, TNodeHashFunction> d_assertions;
/** Called by the equality managere on triggers */
bool triggerEquality(size_t triggerId);
public:
TheoryBV(int id, context::Context* c, OutputChannel& out) :
Theory(id, c, out), d_eqEngine(*this, c), d_assertions(c) {
}
void preRegisterTerm(TNode n);
void registerTerm(TNode n) { }
void check(Effort e);
void presolve(){
Unimplemented();
}
void propagate(Effort e) {}
void explain(TNode n, Effort e) { }
Node getValue(TNode n, TheoryEngine* engine);
RewriteResponse postRewrite(TNode n, bool topLevel);
std::string identify() const { return std::string("TheoryBV"); }
};/* class TheoryBV */
}/* CVC4::theory::bv namespace */
}/* CVC4::theory namespace */
}/* CVC4 namespace */
#endif /* __CVC4__THEORY__BV__THEORY_BV_H */
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