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Diffstat (limited to 'gs/psi/iestack.h')
| -rw-r--r-- | gs/psi/iestack.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gs/psi/iestack.h b/gs/psi/iestack.h new file mode 100644 index 000000000..d8d38c84a --- /dev/null +++ b/gs/psi/iestack.h @@ -0,0 +1,36 @@ +/* Copyright (C) 2001-2006 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 that + license. Refer to licensing information at http://www.artifex.com/ + or contact Artifex Software, Inc., 7 Mt. Lassen Drive - Suite A-134, + San Rafael, CA 94903, U.S.A., +1(415)492-9861, for further information. +*/ + +/* $Id$ */ +/* 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 */ |