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/********************* */
/*! \file local_theory_ext.h
** \verbatim
** Top contributors (to current version):
** Andrew Reynolds, Tim King
** This file is part of the CVC4 project.
** Copyright (c) 2009-2017 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 local theory extensions util
**/
#include "cvc4_private.h"
#ifndef __CVC4__THEORY__LOCAL_THEORY_EXT_H
#define __CVC4__THEORY__LOCAL_THEORY_EXT_H
#include "theory/quantifiers_engine.h"
#include "context/cdo.h"
namespace CVC4 {
namespace theory {
namespace quantifiers {
class TermArgTrie;
class LtePartialInst : public QuantifiersModule {
private:
// was this module invoked
bool d_wasInvoked;
// needs check
bool d_needsCheck;
//representatives per type
std::map< TypeNode, std::vector< Node > > d_reps;
// should we instantiate quantifier
std::map< Node, bool > d_do_inst;
// have we instantiated quantifier
std::map< Node, bool > d_inst;
std::map< Node, std::vector< Node > > d_vars;
std::map< Node, std::vector< int > > d_pat_var_order;
/** list of relevant quantifiers asserted in the current context */
std::vector< Node > d_lte_asserts;
/** reset */
void reset();
/** get instantiations */
void getInstantiations( std::vector< Node >& lemmas );
void getPartialInstantiations( std::vector< Node >& conj, Node q, Node bvl,
std::vector< Node >& vars, std::vector< Node >& inst, std::vector< TypeNode >& types, TermArgTrie * curr,
unsigned pindex, unsigned paindex, unsigned iindex );
/** get eligible inst variables */
void getEligibleInstVars( Node n, std::map< Node, bool >& vars );
bool addVariableToPatternList( Node v, std::vector< int >& pat_var_order, std::map< Node, int >& var_order );
public:
LtePartialInst( QuantifiersEngine * qe, context::Context* c );
/** determine whether this quantified formula will be reduced */
void preRegisterQuantifier(Node q) override;
/** was invoked */
bool wasInvoked() { return d_wasInvoked; }
/* whether this module needs to check this round */
bool needsCheck(Theory::Effort e) override;
/* Call during quantifier engine's check */
void check(Theory::Effort e, QEffort quant_e) override;
/* Called for new quantifiers */
void registerQuantifier(Node q) override {}
/* check complete */
bool checkComplete() override { return !d_wasInvoked; }
void assertNode(Node n) override {}
/** Identify this module (for debugging, dynamic configuration, etc..) */
std::string identify() const override { return "LtePartialInst"; }
};
}
}
}
#endif
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