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/********************* */
/*! \file command_executor.h
** \verbatim
** Original author: Morgan Deters
** Major contributors: Kshitij Bansal
** Minor contributors (to current version): none
** This file is part of the CVC4 project.
** Copyright (c) 2009-2014 New York University and The University of Iowa
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief An additional layer between commands and invoking them.
**/
#ifndef __CVC4__MAIN__COMMAND_EXECUTOR_H
#define __CVC4__MAIN__COMMAND_EXECUTOR_H
#include "expr/expr_manager.h"
#include "smt/smt_engine.h"
#include "util/statistics_registry.h"
#include "options/options.h"
#include "expr/command.h"
#include <string>
#include <iostream>
namespace CVC4 {
namespace main {
class CommandExecutor {
private:
std::string d_lastStatistics;
protected:
ExprManager& d_exprMgr;
SmtEngine* d_smtEngine;
Options& d_options;
StatisticsRegistry d_stats;
Result d_result;
public:
CommandExecutor(ExprManager &exprMgr, Options &options);
virtual ~CommandExecutor() {
delete d_smtEngine;
}
/**
* Executes a command. Recursively handles if cmd is a command
* sequence. Eventually uses doCommandSingleton (which can be
* overridden by a derived class).
*/
bool doCommand(CVC4::Command* cmd);
Result getResult() const { return d_result; }
void reset();
StatisticsRegistry& getStatisticsRegistry() {
return d_stats;
}
virtual void flushStatistics(std::ostream& out) const {
d_exprMgr.getStatistics().flushInformation(out);
d_smtEngine->getStatistics().flushInformation(out);
d_stats.flushInformation(out);
}
protected:
/** Executes treating cmd as a singleton */
virtual bool doCommandSingleton(CVC4::Command* cmd);
private:
CommandExecutor();
};/* class CommandExecutor */
bool smtEngineInvoke(SmtEngine* smt,
Command* cmd,
std::ostream *out);
}/* CVC4::main namespace */
}/* CVC4 namespace */
#endif /* __CVC4__MAIN__COMMAND_EXECUTOR_H */
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