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/* Copyright (C) 2000 Aladdin Enterprises.  All rights reserved.
  
  This software is provided AS-IS with no warranty, either express or
  implied.
  
  This software is distributed under license and may not be copied,
  modified or distributed except as expressly authorized under the terms
  of the license contained in the file LICENSE in this distribution.
  
  For more information about licensing, please refer to
  http://www.ghostscript.com/licensing/. For information on
  commercial licensing, go to http://www.artifex.com/licensing/ or
  contact Artifex Software, Inc., 101 Lucas Valley Road #110,
  San Rafael, CA  94903, U.S.A., +1(415)492-9861.
*/

/* $Id: itoken.h,v 1.5 2002/06/16 04:47:10 lpd Exp $ */
/* Interface to exported procedures in ztoken.c */

#ifndef itoken_INCLUDED
#  define itoken_INCLUDED

/*
 * Continue after handling a procedure stream refill or other callout
 * while reading tokens in the interpreter.
 */
int ztokenexec_continue(i_ctx_t *i_ctx_p);

/*
 * Handle a scan_Comment or scan_DSC_Comment return from scan_token.
 */
#ifndef scanner_state_DEFINED
#  define scanner_state_DEFINED
typedef struct scanner_state_s scanner_state;
#endif
int ztoken_handle_comment(i_ctx_t *i_ctx_p, const ref *fop,
                          scanner_state *sstate, const ref *ptoken,
                          int scan_code, bool save, bool push_file,
                          op_proc_t cont);

/*
 * Update the cached scanner_options in the context state after doing a
 * setuserparams.  (We might move this procedure somewhere else eventually.)
 */
int ztoken_scanner_options(const ref *upref, int old_options);

#endif /* itoken_INCLUDED */