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/********************* */
/*! \file interactive_shell.h
** \verbatim
** Original author: Christopher L. Conway
** Major contributors: Morgan Deters
** 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 Interactive shell for CVC4
**/
#ifndef __CVC4__INTERACTIVE_SHELL_H
#define __CVC4__INTERACTIVE_SHELL_H
#include <iosfwd>
#include <string>
#include "options/language.h"
#include "options/options.h"
#include "util/unsafe_interrupt_exception.h"
namespace CVC4 {
class Command;
class ExprManager;
class Options;
namespace parser {
class Parser;
}/* CVC4::parser namespace */
class CVC4_PUBLIC InteractiveShell {
std::istream& d_in;
std::ostream& d_out;
parser::Parser* d_parser;
const Options& d_options;
bool d_quit;
bool d_usingReadline;
std::string d_historyFilename;
static const std::string INPUT_FILENAME;
static const unsigned s_historyLimit = 500;
public:
InteractiveShell(ExprManager& exprManager, const Options& options);
/**
* Close out the interactive session.
*/
~InteractiveShell();
/**
* Read a command from the interactive shell. This will read as
* many lines as necessary to parse a well-formed command.
*/
Command* readCommand() throw (UnsafeInterruptException);
/**
* Return the internal parser being used.
*/
parser::Parser* getParser() {
return d_parser;
}
};/* class InteractiveShell */
}/* CVC4 namespace */
#endif /* __CVC4__INTERACTIVE_SHELL_H */
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