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/********************* */
/*! \file cvc_input.h
** \verbatim
** Original author: cconway
** Major contributors: mdeters
** Minor contributors (to current version): none
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010, 2011 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 [[ Add file-specific comments here ]].
**
** [[ Add file-specific comments here ]]
**/
#include "cvc4parser_private.h"
#ifndef __CVC4__PARSER__CVC_INPUT_H
#define __CVC4__PARSER__CVC_INPUT_H
#include "parser/antlr_input.h"
#include "parser/cvc/generated/CvcLexer.h"
#include "parser/cvc/generated/CvcParser.h"
// extern void CvcParserSetAntlrParser(CVC4::parser::AntlrParser* newAntlrParser);
namespace CVC4 {
class Command;
class Expr;
class ExprManager;
namespace parser {
class CvcInput : public AntlrInput {
/** The ANTLR3 CVC lexer for the input. */
pCvcLexer d_pCvcLexer;
/** The ANTLR3 CVC parser for the input. */
pCvcParser d_pCvcParser;
public:
/** Create an input.
*
* @param inputStream the input to parse
*/
CvcInput(AntlrInputStream& inputStream);
/** Destructor. Frees the lexer and the parser. */
virtual ~CvcInput();
/** Get the language that this Input is reading. */
InputLanguage getLanguage() const throw() {
return language::input::LANG_CVC4;
}
protected:
/** Parse a command from the input. Returns <code>NULL</code> if there is
* no command there to parse.
*
* @throws ParserException if an error is encountered during parsing.
*/
Command* parseCommand()
throw(ParserException, TypeCheckingException);
/** Parse an expression from the input. Returns a null <code>Expr</code>
* if there is no expression there to parse.
*
* @throws ParserException if an error is encountered during parsing.
*/
Expr parseExpr()
throw(ParserException, TypeCheckingException);
private:
/** Initialize the class. Called from the constructors once the input stream
* is initialized. */
void init();
}; // class CvcInput
}/* CVC4::parser namespace */
}/* CVC4 namespace */
#endif /* __CVC4__PARSER__CVC_INPUT_H */
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