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/********************* -*- C++ -*- */
/** smt_parser.h
** Original author: mdeters
** Major contributors: none
** Minor contributors (to current version): cconway, dejan
** 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.
**
** SMT-LIB language parser abstraction.
**/
#ifndef __CVC4__PARSER__SMT_PARSER_H
#define __CVC4__PARSER__SMT_PARSER_H
#include <string>
#include <iostream>
#include <fstream>
#include "cvc4_config.h"
#include "parser/parser_exception.h"
#include "parser/parser.h"
namespace CVC4 {
namespace parser {
/**
* The SMT parser.
*/
class CVC4_PUBLIC SmtParser : public Parser {
public:
/**
* Construct the parser that uses the given expression manager and input stream.
* @param em the expression manager to use
* @param input the input stream to parse
* @param file_name the name of the file (for diagnostic output)
*/
SmtParser(ExprManager* em, std::istream& input, const char* file_name = "");
/**
* Destructor.
*/
~SmtParser();
/**
* Parses the next command. By default, the SMT-LIB parser produces
* one CommandSequence command. If parsing is successful, we should
* be done after the first call to this command.
* @return the CommandSequence command that includes the whole
* benchmark
*/
Command* parseNextCommand() throw(ParserException);
/**
* Parses the next complete expression of the stream.
* @return the expression parsed
*/
Expr parseNextExpression() throw(ParserException);
protected:
/** The ANTLR smt lexer */
AntlrSmtLexer* d_antlr_lexer;
/** The ANTLR smt parser */
AntlrSmtParser* d_antlr_parser;
/** The file stream we might be using */
std::istream& d_input;
};
}/* CVC4::parser namespace */
}/* CVC4 namespace */
#endif /* __CVC4__PARSER__SMT_PARSER_H */
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