mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 11:50:28 +02:00
7dc6e7547a
continuations.c, debug.c, debug.h, dynl-dl.c, dynl.c, dynl.h, dynwind.c, dynwind.h, eq.c, error.c, error.h, eval.c, eval.h, feature.c, filesys.c, filesys.h, fports.c, fports.h, gc.c, gc.h, genio.c, genio.h, gh.h, gh_data.c, gsubr.c, gsubr.h, hash.c, hashtab.c, init.c, init.h, ioext.c, ioext.h, kw.c, libguile.h, list.c, list.h, load.c, load.h, mallocs.c, markers.c, mit-pthreads.c, net_db.c, numbers.c, numbers.h, options.c, ports.c, ports.h, posix.c, posix.h, print.c, print.h, procprop.c, procprop.h, procs.c, procs.h, ramap.c, ramap.h, regex-posix.c, regex-posix.h, root.c, root.h, scmsigs.c, scmsigs.h, script.c, script.h, simpos.c, simpos.h, smob.c, smob.h, snarf.h, socket.c, srcprop.c, stackchk.c, stackchk.h, stacks.c, stime.c, stime.h, strings.c, strings.h, strports.c, struct.c, struct.h, symbols.c, symbols.h, tags.h, threads.c, throw.h, unif.c, variable.c, vectors.c, vectors.h, version.h, vports.c, weaks.c: Update copyright years.
90 lines
4.1 KiB
C
90 lines
4.1 KiB
C
/* classes: h_files */
|
||
|
||
#ifndef STRUCTH
|
||
#define STRUCTH
|
||
/* Copyright (C) 1995, 1997 Free Software Foundation, Inc.
|
||
*
|
||
* This program is free software; you can redistribute it and/or modify
|
||
* it under the terms of the GNU General Public License as published by
|
||
* the Free Software Foundation; either version 2, or (at your option)
|
||
* any later version.
|
||
*
|
||
* This program is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
* GNU General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU General Public License
|
||
* along with this software; see the file COPYING. If not, write to
|
||
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
||
* Boston, MA 02111-1307 USA
|
||
*
|
||
* As a special exception, the Free Software Foundation gives permission
|
||
* for additional uses of the text contained in its release of GUILE.
|
||
*
|
||
* The exception is that, if you link the GUILE library with other files
|
||
* to produce an executable, this does not by itself cause the
|
||
* resulting executable to be covered by the GNU General Public License.
|
||
* Your use of that executable is in no way restricted on account of
|
||
* linking the GUILE library code into it.
|
||
*
|
||
* This exception does not however invalidate any other reasons why
|
||
* the executable file might be covered by the GNU General Public License.
|
||
*
|
||
* This exception applies only to the code released by the
|
||
* Free Software Foundation under the name GUILE. If you copy
|
||
* code from other Free Software Foundation releases into a copy of
|
||
* GUILE, as the General Public License permits, the exception does
|
||
* not apply to the code that you add in this way. To avoid misleading
|
||
* anyone as to the status of such modified files, you must delete
|
||
* this exception notice from them.
|
||
*
|
||
* If you write modifications of your own for GUILE, it is your choice
|
||
* whether to permit this exception to apply to your modifications.
|
||
* If you do not wish that, delete this exception notice. */
|
||
|
||
|
||
#include "libguile/__scm.h"
|
||
#include "libguile/print.h"
|
||
|
||
|
||
|
||
/* Number of words with negative index */
|
||
#define scm_struct_n_extra_words 3
|
||
|
||
/* These are how the initial words of a vtable are allocated. */
|
||
#define scm_struct_i_ptr -3 /* start of block (see alloc_struct) */
|
||
#define scm_struct_i_n_words -2 /* How many words allocated to this struct? */
|
||
#define scm_struct_i_tag -1 /* A unique tag for this type.. */
|
||
#define scm_vtable_index_layout 0 /* A symbol describing the physical arrangement of this type. */
|
||
#define scm_vtable_index_vcell 1 /* An opaque word, managed by the garbage collector. */
|
||
#define scm_vtable_index_vtable 2 /* A pointer to the handle for this vtable. */
|
||
#define scm_vtable_index_printer 3 /* A printer for this struct type. */
|
||
#define scm_vtable_offset_user 4 /* Where do user fields start? */
|
||
|
||
|
||
#define SCM_STRUCTP(X) (SCM_TYP3(X) == scm_tc3_cons_gloc)
|
||
#define SCM_STRUCT_DATA(X) ((SCM*)(SCM_CDR(X)))
|
||
#define SCM_STRUCT_VTABLE_DATA(X) ((SCM *)(SCM_CAR(X) - 1))
|
||
#define SCM_STRUCT_LAYOUT(X) (SCM_STRUCT_VTABLE_DATA(X)[scm_vtable_index_layout])
|
||
#define SCM_STRUCT_VTABLE(X) (SCM_STRUCT_VTABLE_DATA(X)[scm_vtable_index_vtable])
|
||
#define SCM_STRUCT_PRINTER(X) (SCM_STRUCT_VTABLE_DATA(X)[scm_vtable_index_printer])
|
||
/* Efficiency is important in the following macro, since it's used in GC */
|
||
#define SCM_LAYOUT_TAILP(X) (((X) & 32) == 0) /* R, W or O */
|
||
|
||
|
||
|
||
|
||
extern SCM scm_make_struct_layout SCM_P ((SCM fields));
|
||
extern SCM scm_struct_p SCM_P ((SCM x));
|
||
extern SCM scm_struct_vtable_p SCM_P ((SCM x));
|
||
extern SCM scm_make_struct SCM_P ((SCM vtable, SCM tail_array_size, SCM init));
|
||
extern SCM scm_make_vtable_vtable SCM_P ((SCM extra_fields, SCM tail_array_size, SCM init));
|
||
extern SCM scm_struct_ref SCM_P ((SCM handle, SCM pos));
|
||
extern SCM scm_struct_set_x SCM_P ((SCM handle, SCM pos, SCM val));
|
||
extern SCM scm_struct_vtable SCM_P ((SCM handle));
|
||
extern SCM scm_struct_vtable_tag SCM_P ((SCM handle));
|
||
extern void scm_print_struct SCM_P ((SCM exp, SCM port, scm_print_state *));
|
||
extern void scm_init_struct SCM_P ((void));
|
||
|
||
#endif /* STRUCTH */
|