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/* Copyright (C) 2001-2019 Artifex Software, Inc.
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.
Refer to licensing information at http://www.artifex.com or contact
Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
CA 94945, U.S.A., +1(415)492-9861, for further information.
*/
/* Generic execution stack API */
#ifndef iestack_INCLUDED
# define iestack_INCLUDED
#include "iesdata.h"
#include "istack.h"
/* Define pointers into the execution stack. */
typedef s_ptr es_ptr;
typedef const_s_ptr const_es_ptr;
/* Manage the current_file cache. */
#define estack_clear_cache(pes) ((pes)->current_file = 0)
#define estack_set_cache(pes,pref) ((pes)->current_file = (pref))
#define estack_check_cache(pes)\
BEGIN\
if (r_has_type_attrs((pes)->stack.p, t_file, a_executable))\
estack_set_cache(pes, (pes)->stack.p);\
END
#endif /* iestack_INCLUDED */
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