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/********************* */
/*! \file preprocessing_pass_context.h
** \verbatim
** Top contributors (to current version):
** Justin Xu, Andres Noetzli, Aina Niemetz
** This file is part of the CVC4 project.
** Copyright (c) 2009-2018 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 The preprocessing pass context for passes
**
** Implementation of the preprocessing pass context for passes. This context
** allows preprocessing passes to retrieve information besides the assertions
** from the solver and interact with it without getting full access.
**/
#include "cvc4_private.h"
#ifndef __CVC4__PREPROCESSING__PREPROCESSING_PASS_CONTEXT_H
#define __CVC4__PREPROCESSING__PREPROCESSING_PASS_CONTEXT_H
#include "context/cdo.h"
#include "context/context.h"
#include "decision/decision_engine.h"
#include "preprocessing/util/ite_utilities.h"
#include "smt/smt_engine.h"
#include "smt/term_formula_removal.h"
#include "theory/booleans/circuit_propagator.h"
#include "theory/theory_engine.h"
#include "util/resource_manager.h"
namespace CVC4 {
namespace preprocessing {
class PreprocessingPassContext
{
public:
PreprocessingPassContext(
SmtEngine* smt,
ResourceManager* resourceManager,
RemoveTermFormulas* iteRemover,
theory::booleans::CircuitPropagator* circuitPropagator);
SmtEngine* getSmt() { return d_smt; }
TheoryEngine* getTheoryEngine() { return d_smt->d_theoryEngine; }
DecisionEngine* getDecisionEngine() { return d_smt->d_decisionEngine; }
prop::PropEngine* getPropEngine() { return d_smt->d_propEngine; }
context::Context* getUserContext() { return d_smt->d_userContext; }
context::Context* getDecisionContext() { return d_smt->d_context; }
RemoveTermFormulas* getIteRemover() { return d_iteRemover; }
theory::booleans::CircuitPropagator* getCircuitPropagator()
{
return d_circuitPropagator;
}
context::CDHashSet<Node, NodeHashFunction>& getSymsInAssertions()
{
return d_symsInAssertions;
}
void spendResource(unsigned amount)
{
d_resourceManager->spendResource(amount);
}
const LogicInfo& getLogicInfo() { return d_smt->d_logic; }
/* Widen the logic to include the given theory. */
void widenLogic(theory::TheoryId id);
unsigned getSubstitutionsIndex() const { return d_substitutionsIndex.get(); }
void setSubstitutionsIndex(unsigned i) { d_substitutionsIndex = i; }
/** Gets a reference to the top-level substitution map */
theory::SubstitutionMap& getTopLevelSubstitutions()
{
return d_topLevelSubstitutions;
}
/* Enable Integers. */
void enableIntegers();
/** Record symbols in assertions
*
* This method is called when a set of assertions is finalized. It adds
* the symbols to d_symsInAssertions that occur in assertions.
*/
void recordSymbolsInAssertions(const std::vector<Node>& assertions);
private:
/** Pointer to the SmtEngine that this context was created in. */
SmtEngine* d_smt;
/** Pointer to the ResourceManager for this context. */
ResourceManager* d_resourceManager;
/** Instance of the ITE remover */
RemoveTermFormulas* d_iteRemover;
/* Index for where to store substitutions */
context::CDO<unsigned> d_substitutionsIndex;
/* The top level substitutions */
theory::SubstitutionMap d_topLevelSubstitutions;
/** Instance of the circuit propagator */
theory::booleans::CircuitPropagator* d_circuitPropagator;
/**
* The (user-context-dependent) set of symbols that occur in at least one
* assertion in the current user context.
*/
context::CDHashSet<Node, NodeHashFunction> d_symsInAssertions;
}; // class PreprocessingPassContext
} // namespace preprocessing
} // namespace CVC4
#endif /* __CVC4__PREPROCESSING__PREPROCESSING_PASS_CONTEXT_H */
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