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flex_parser.h

/*
 *  flex_parser.h
 *    part of galculator
 *    (c) 2002-2004 Simon Floery (chimaira@users.sf.net)
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 Library General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifndef _FLEX_PARSER_H
#define _FLEX_PARSER_H 1

#define CURRENT_ALG_OBJECT          (ALG_OBJECT **) &(alg_object_stack->data)
#define FLEX_PARSER_NR_RECURSIONS   10

enum {
      FLEX_PARSER_NUMBER,
      FLEX_PARSER_CONSTANT,
      FLEX_PARSER_FUNCTION,
      FLEX_PARSER_USER_FUNCTION
};

typedef struct {
      double            value;
      gboolean    error;
} s_flex_parser_result;

s_flex_parser_result flex_parser (const char *string);

#endif /* flex_parser.h */

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