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b380b88547
evalext.c, filesys.c, gc.c, hash.c, hashtab.c, ioext.c, keywords.c, list.c, load.c, macros.c, net_db.c, numbers.c, objprop.c, ports.c, posix.c, print.c, procprop.c, procs.c, ramap.c, regex-posix.c, root.c, scmsigs.c, simpos.c, socket.c, stacks.c, stime.c, strings.c, strop.c, strports.c, struct.c, symbols.c, throw.c, unif.c, vectors.c, version.c, vports.c, weaks.c: Converted docstrings to ANSI C format.
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/* Copyright (C) 1995,1996 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice. */
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/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
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gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
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#include <stdio.h>
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#include "_scm.h"
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#include "hashtab.h"
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#include "alist.h"
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#include "weaks.h"
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#include "objprop.h"
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/* {Object Properties}
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*/
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SCM_DEFINE (scm_object_properties, "object-properties", 1, 0, 0,
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(SCM obj),
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"@deffnx primitive procedure-properties obj\n"
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"Return @var{obj}'s property list.")
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#define FUNC_NAME s_scm_object_properties
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{
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return scm_hashq_ref (scm_object_whash, obj, SCM_EOL);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_set_object_properties_x, "set-object-properties!", 2, 0, 0,
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(SCM obj, SCM plist),
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"@deffnx primitive set-procedure-properties! obj alist\n"
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"Set @var{obj}'s property list to @var{alist}.")
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#define FUNC_NAME s_scm_set_object_properties_x
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{
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SCM handle = scm_hashq_create_handle_x (scm_object_whash, obj, plist);
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SCM_SETCDR (handle, plist);
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return plist;
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_object_property, "object-property", 2, 0, 0,
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(SCM obj, SCM key),
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"@deffnx primitive procedure-property obj key\n"
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"Return the property of @var{obj} with name @var{key}.")
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#define FUNC_NAME s_scm_object_property
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{
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SCM assoc;
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assoc = scm_assq (key, scm_object_properties (obj));
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return (SCM_NIMP (assoc) ? SCM_CDR (assoc) : SCM_BOOL_F);
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}
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#undef FUNC_NAME
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SCM_DEFINE (scm_set_object_property_x, "set-object-property!", 3, 0, 0,
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(SCM obj, SCM key, SCM val),
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"@deffnx primitive set-procedure-property! obj key value\n"
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"In @var{obj}'s property list, set the property named @var{key} to\n"
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"@var{value}.")
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#define FUNC_NAME s_scm_set_object_property_x
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{
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SCM h;
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SCM assoc;
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h = scm_hashq_create_handle_x (scm_object_whash, obj, SCM_EOL);
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SCM_DEFER_INTS;
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assoc = scm_assoc (key, SCM_CDR (h));
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if (SCM_NIMP (assoc))
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SCM_SETCDR (assoc, val);
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else
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{
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assoc = scm_acons (key, val, SCM_CDR (h));
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SCM_SETCDR (h, assoc);
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}
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SCM_ALLOW_INTS;
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return val;
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}
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#undef FUNC_NAME
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void
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scm_init_objprop ()
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{
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scm_object_whash = scm_make_weak_key_hash_table (SCM_MAKINUM (511));
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#include "objprop.x"
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}
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