token_xsb.h

/* File:      token_xsb.h
** Author(s): Kostis F. Sagonas, Jiyang Xu
** Contact:   xsb-contact@cs.sunysb.edu
** 
** Copyright (C) The Research Foundation of SUNY, 1986, 1993-1999
** Copyright (C) ECRC, Germany, 1990
** 
** XSB is free software; you can redistribute it and/or modify it under the
** terms of the GNU Library General Public License as published by the Free
** Software Foundation; either version 2 of the License, or (at your option)
** any later version.
** 
** XSB 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 Library General Public License
** along with XSB; if not, write to the Free Software Foundation,
** Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** $Id: token_xsb.h,v 1.6 2006/05/22 15:40:04 dwarren Exp $
** 
*/

#ifndef _TOKEN_XSB_H_
#define _TOKEN_XSB_H_

#include "token_defs_xsb.h"

 
#define strgetc(p) (--(p)->strcnt>=0? ((int)*(p)->strptr++): -1)
#define strpeekc(p) ((p)->strcnt>=0? ((int)*(p)->strptr): -1)

#define GetC(card,instr) (instr ? strgetc(instr) : getc(card))

struct strbuf {
  int strcnt;
  char *strptr;
  char *strbase;
};

#define STRFILE struct strbuf
#define MAXIOSTRS 5
extern STRFILE *iostrs[MAXIOSTRS];
#define iostrdecode(j) (-1-j)
#define strfileptr(desc) iostrs[iostrdecode(desc)]
#define InitStrLen      1000

#ifndef MULTI_THREAD
extern struct token_t *token;
#endif
#include "context.h"
extern struct token_t *GetToken(CTXTdeclc FILE *, STRFILE *, int);

extern int intype(int);

#endif /* _TOKEN_XSB_H_ */

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