/usr/include/cvc3/parser.h is in libcvc3-dev 2.4.1-4ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*!
* \file parser.h
*
* Author: Sergey Berezin
*
* Created: Wed Feb 5 11:46:57 2003
*
* <hr>
*
* License to use, copy, modify, sell and/or distribute this software
* and its documentation for any purpose is hereby granted without
* royalty, subject to the terms and conditions defined in the \ref
* LICENSE file provided with this distribution.
*
* <hr>
*
* The top-level API to the parser. At this level, it is simply a
* stream of commands (Expr's) terminated by an infinite sequence of
* Null Expr. It has a support to parse several different input
* languages (as many as we care to implement), and may take a file
* name, or an istream to read from (default: std::cin, or stdin).
* Using iostream means no more worries about whether to close files
* or not.
*/
/*****************************************************************************/
#ifndef _cvc3__parser_h_
#define _cvc3__parser_h_
#include "exception.h"
#include "lang.h"
namespace CVC3 {
class ValidityChecker;
class Translator;
class Expr;
// Internal parser state and other data
class ParserData;
class Parser {
private:
ParserData* d_data;
// Internal methods for constructing and destroying the actual parser
void initParser();
void deleteParser();
public:
// Constructors
Parser(ValidityChecker* vc, Translator* translator, InputLanguage lang,
// The 'interactive' flag is ignored when fileName != ""
bool interactive = true,
const std::string& fileName = "");
Parser(ValidityChecker* vc, Translator* translator, InputLanguage lang, std::istream& is,
bool interactive = false);
// Destructor
~Parser();
// Read the next command.
Expr next();
// Check if we are done (end of input has been reached)
bool done() const;
// The same check can be done by using the class Parser's value as
// a Boolean
operator bool() const { return done(); }
void printLocation(std::ostream & out) const;
// Reset any local data that depends on validity checker
void reset();
}; // end of class Parser
// The global pointer to ParserTemp. Each instance of class Parser
// sets this pointer before any calls to the lexer. We do it this
// way because flex and bison use global vars, and we want each
// Parser object to appear independent.
class ParserTemp;
extern ParserTemp* parserTemp;
} // end of namespace CVC3
#endif
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