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/********************* */
/*! \file decision_engine.cpp
** \verbatim
** Original author: kshitij
** Major contributors: none
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2012 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 Decision engine
**
** Decision engine
**/
#include "decision/decision_engine.h"
#include "decision/justification_heuristic.h"
#include "expr/node.h"
#include "util/options.h"
using namespace std;
namespace CVC4 {
DecisionEngine::DecisionEngine() : d_needSimplifiedPreITEAssertions() {
const Options* options = Options::current();
Trace("decision") << "Creating decision engine" << std::endl;
if(options->decisionMode == Options::DECISION_STRATEGY_INTERNAL) { }
if(options->decisionMode == Options::DECISION_STRATEGY_JUSTIFICATION) {
DecisionStrategy* ds = new decision::JustificationHeuristic(this);
enableStrategy(ds);
}
}
void DecisionEngine::enableStrategy(DecisionStrategy* ds)
{
d_enabledStrategies.push_back(ds);
if( ds->needSimplifiedPreITEAssertions() )
d_needSimplifiedPreITEAssertions.push_back(ds);
}
void DecisionEngine::informSimplifiedPreITEAssertions(const vector<Node> &assertions)
{
d_assertions.reserve(assertions.size());
for(unsigned i = 0; i < assertions.size(); ++i)
d_assertions.push_back(assertions[i]);
for(unsigned i = 0; i < d_needSimplifiedPreITEAssertions.size(); ++i)
d_needSimplifiedPreITEAssertions[i]->notifyAssertionsAvailable();
}
}/* CVC4 namespace */
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