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/* Copyright (C) 1994 Aladdin Enterprises. All rights reserved.
This file is part of GNU Ghostscript.
GNU Ghostscript is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY. No author or distributor accepts responsibility to
anyone for the consequences of using it or for whether it serves any
particular purpose or works at all, unless he says so in writing. Refer to
the GNU General Public License for full details.
Everyone is granted permission to copy, modify and redistribute GNU
Ghostscript, but only under the conditions described in the GNU General
Public License. A copy of this license is supposed to have been given to
you along with GNU Ghostscript so you can know your rights and
responsibilities. It should be in a file named COPYING. Among other
things, the copyright notice and this notice must be preserved on all
copies.
Aladdin Enterprises is not affiliated with the Free Software Foundation or
the GNU Project. GNU Ghostscript, as distributed by Aladdin Enterprises,
does not depend on any other GNU software.
*/
/* istruct.h */
/* Interpreter-level extension of gsstruct.h */
#ifndef istruct_INCLUDED
# define istruct_INCLUDED
#include "gsstruct.h"
/* ================ Refs ================ */
/* The structure type descriptor for (blocks of) refs. */
/* This is defined in igc.c and exported for isave.c. */
extern_st(st_refs);
/* Relocate a pointer to a ref[_packed]. */
ptr_proc_reloc(gs_reloc_ref_ptr, ref_packed);
/* Relocate a block of ref[_packed]s. */
void gs_reloc_refs(P3(ref_packed *from, ref_packed *to, gc_state_t *gcst));
#ifdef DPNEXT
#define ENUM_RETURN_REF(typ, elt)\
do { *pep = (const void *)&((typ *)vptr)->elt; return ptr_ref_type; } while (0)
#define ENUM_REF(i, typ, elt)\
case i: ENUM_RETURN_REF(typ, elt)
#define RELOC_REF(typ, elt)\
gs_reloc_refs( (ref_packed *)&((typ *)vptr)->elt,\
(ref_packed *)(&((typ *)vptr)->elt + 1), gcst)
#endif
/*
* Define an object allocated as a struct, but actually containing refs.
* Such objects are useful as the client_data of library structures
* (currently only gstates and fonts).
*/
struct_proc_clear_marks(ref_struct_clear_marks);
struct_proc_enum_ptrs(ref_struct_enum_ptrs);
struct_proc_reloc_ptrs(ref_struct_reloc_ptrs);
#define gs__st_ref_struct(scope_st, stname, stype, sname)\
gs__st_complex_only(scope_st, stname, stype, sname, ref_struct_clear_marks,\
ref_struct_enum_ptrs, ref_struct_reloc_ptrs, 0)
#define gs_public_st_ref_struct(stname, stype, sname)\
gs__st_ref_struct(public_st, stname, stype, sname)
#define gs_private_st_ref_struct(stname, stype, sname)\
gs__st_ref_struct(private_st, stname, stype, sname)
#endif /* istruct_INCLUDED */
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