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/********************* -*- C++ -*- */
/** command.h
** This file is part of the CVC4 prototype.
** Copyright (c) 2009 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.
**
**/
#ifndef __CVC4__COMMAND_H
#define __CVC4__COMMAND_H
#include "cvc4.h"
namespace CVC4
{
class SmtEngine;
class Command
{
public:
virtual void invoke(CVC4::SmtEngine* smt_engine) = 0;
virtual ~Command() {};
};
class EmptyCommand : public Command
{
public:
virtual void invoke(CVC4::SmtEngine* smt_engine);
};
class AssertCommand: public Command
{
public:
AssertCommand(const Expr& e);
void invoke(CVC4::SmtEngine* smt_engine);
protected:
Expr d_expr;
};
class CheckSatCommand: public Command
{
public:
CheckSatCommand();
CheckSatCommand(const Expr& e);
void invoke(CVC4::SmtEngine* smt);
protected:
Expr d_expr;
};
class QueryCommand: public Command
{
public:
QueryCommand(const Expr& e);
void invoke(CVC4::SmtEngine* smt);
protected:
Expr d_expr;
};
class CommandSequence: public Command
{
public:
CommandSequence();
CommandSequence(Command* cmd);
~CommandSequence();
void invoke(CVC4::SmtEngine* smt);
void addCommand(Command* cmd);
private:
/** All the commands to be executed (in sequence) */
std::vector<Command*> d_command_sequence;
/** Next command to be executed */
unsigned int d_last_index;
};
}/* CVC4 namespace */
#endif /* __CVC4__COMMAND_H */
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