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/********************* */
/*! \file array_proof.h
** \verbatim
** Top contributors (to current version):
** Guy Katz, Liana Hadarean, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2016 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Arrray proof
**
** Arrau proof
**/
#include "cvc4_private.h"
#ifndef __CVC4__ARRAY__PROOF_H
#define __CVC4__ARRAY__PROOF_H
#include "expr/expr.h"
#include "proof/proof_manager.h"
#include "proof/theory_proof.h"
#include "theory/arrays/theory_arrays.h"
#include "theory/uf/equality_engine.h"
namespace CVC4 {
//proof object outputted by TheoryARRAY
class ProofArray : public Proof {
private:
Node toStreamRecLFSC(std::ostream& out, TheoryProof* tp,
theory::eq::EqProof* pf,
unsigned tb,
const LetMap& map);
/** Merge tag for ROW applications */
unsigned d_reasonRow;
/** Merge tag for ROW1 applications */
unsigned d_reasonRow1;
/** Merge tag for EXT applications */
unsigned d_reasonExt;
public:
ProofArray(theory::eq::EqProof* pf) : d_proof(pf) {}
//it is simply an equality engine proof
theory::eq::EqProof *d_proof;
void toStream(std::ostream& out);
void toStreamLFSC(std::ostream& out, TheoryProof* tp, theory::eq::EqProof* pf, const LetMap& map);
void registerSkolem(Node equality, Node skolem);
void setRowMergeTag(unsigned tag);
void setRow1MergeTag(unsigned tag);
void setExtMergeTag(unsigned tag);
};
namespace theory {
namespace arrays{
class TheoryArrays;
} /* namespace CVC4::theory::arrays */
} /* namespace CVC4::theory */
typedef __gnu_cxx::hash_set<Type, TypeHashFunction > TypeSet;
class ArrayProof : public TheoryProof {
// TODO: whatever goes in this theory
protected:
TypeSet d_sorts; // all the uninterpreted sorts in this theory
ExprSet d_declarations; // all the variable/function declarations
ExprSet d_skolemDeclarations; // all the skolem variable declarations
std::map<Expr, std::string> d_skolemToLiteral;
public:
ArrayProof(theory::arrays::TheoryArrays* arrays, TheoryProofEngine* proofEngine);
std::string skolemToLiteral(Expr skolem);
virtual void registerTerm(Expr term);
};
class LFSCArrayProof : public ArrayProof {
public:
LFSCArrayProof(theory::arrays::TheoryArrays* arrays, TheoryProofEngine* proofEngine)
: ArrayProof(arrays, proofEngine)
{}
virtual void printOwnedTerm(Expr term, std::ostream& os, const LetMap& map);
virtual void printOwnedSort(Type type, std::ostream& os);
virtual void printTheoryLemmaProof(std::vector<Expr>& lemma, std::ostream& os, std::ostream& paren);
virtual void printSortDeclarations(std::ostream& os, std::ostream& paren);
virtual void printTermDeclarations(std::ostream& os, std::ostream& paren);
virtual void printDeferredDeclarations(std::ostream& os, std::ostream& paren);
};
}/* CVC4 namespace */
#endif /* __CVC4__ARRAY__PROOF_H */
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