D4FunctionScanner.h

 
// -*- mode: c++; c-basic-offset:4 -*-
 
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
 
// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
 
#ifndef D4_FUNCTION_SCANNER_H_
#define D4_FUNCTION_SCANNER_H_
 
// Only include FlexLexer.h if it hasn't been already included
#if !defined(yyFlexLexerOnce)
#undef yyFlexLexer
#define yyFlexLexer d4_functionFlexLexer
#include "FlexLexer.h"
#endif
 
#ifndef YY_NULL
#if defined __cplusplus && 201103L <= __cplusplus
#define YY_NULL nullptr
#else
#define YY_NULL 0
#endif
#endif
 
#undef YY_DECL
#define YY_DECL int libdap::D4FunctionScanner::yylex()
 
#include "d4_function_parser.tab.hh"
 
namespace libdap {
 
class D4FunctionScanner : public d4_functionFlexLexer {
public:
    D4FunctionScanner(std::istream &in) : d4_functionFlexLexer(&in), yylval(0), loc(0) {};
 
    int yylex(libdap::D4FunctionParser::semantic_type *lval, libdap::location *l) {
        loc = l;
        yylval = lval;
        return (yylex());
    }
 
private:
    /* hide this one from public view */
    int yylex();
 
    /* yyval ptr */
    libdap::D4FunctionParser::semantic_type *yylval;
 
    libdap::location *loc;
};
 
} /* end namespace libdap */
 
#endif /* D4_FUNCTION_SCANNER_H_ */