// -*- 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_ */