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- /* Copyright (C) 1989, 1992, 1993, 1994, 1996, 1997, 1998, 1999 Aladdin Enterprises. All rights reserved.
-
- This file is part of AFPL Ghostscript.
-
- AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
- distributor accepts any responsibility for the consequences of using it, or
- for whether it serves any particular purpose or works at all, unless he or
- she says so in writing. Refer to the Aladdin Free Public License (the
- "License") for full details.
-
- Every copy of AFPL Ghostscript must include a copy of the License, normally
- in a plain ASCII text file named PUBLIC. The License grants you the right
- to copy, modify and redistribute AFPL Ghostscript, but only under certain
- conditions described in the License. Among other things, the License
- requires that the copyright notice and this notice be preserved on all
- copies.
- */
-
- /*$Id: iestack.h,v 1.2 2000/09/19 19:00:43 lpd Exp $ */
- /* 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 */
-