Parser.h

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#ifndef CLASSIC_Parser_HH
#define CLASSIC_Parser_HH
 
// ------------------------------------------------------------------------
// $RCSfile: Parser.h,v $
// ------------------------------------------------------------------------
// $Revision: 1.1.1.1 $
// ------------------------------------------------------------------------
// Copyright: see Copyright.readme
// ------------------------------------------------------------------------
//
// Class: Parser
//
// ------------------------------------------------------------------------
// Class category: Parser
// ------------------------------------------------------------------------
//
// $Date: 2000/03/27 09:32:37 $
// $Author: fci $
//
// ------------------------------------------------------------------------
 
class Statement;
class TokenStream;
 
 
// Class Parser
// ------------------------------------------------------------------------
 
class Parser {
 
public:
 
    Parser();
    virtual ~Parser();
 
    virtual void parse(Statement &stat) const = 0;
 
    virtual Statement *readStatement(TokenStream *ts) const = 0;
 
    //  Read one statement at a time on token stream, parse it, and execute it.
    virtual void run(TokenStream *ts) const = 0;
 
private:
 
    // Not implemented.
    Parser(const Parser &);
    void operator=(const Parser &);
};
 
inline
Parser::Parser()
{ }
 
inline
Parser::~Parser()
{ }
 
#endif // CLASSIC_Parser_HH