mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-29 19:30:36 +02:00
1234bb1850
Update to newest recommended license notices from the FSF. Everything stays LGPLv3+ except guile-readline which is GPLv3+.
105 lines
2.6 KiB
C
105 lines
2.6 KiB
C
/* Copyright 1995-1996,2000-2001,2003,2006,2008-2011,2018
|
||
Free Software Foundation, Inc.
|
||
|
||
This file is part of Guile.
|
||
|
||
Guile is free software: you can redistribute it and/or modify it
|
||
under the terms of the GNU Lesser General Public License as published
|
||
by the Free Software Foundation, either version 3 of the License, or
|
||
(at your option) any later version.
|
||
|
||
Guile 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 Lesser General Public
|
||
License for more details.
|
||
|
||
You should have received a copy of the GNU Lesser General Public
|
||
License along with Guile. If not, see
|
||
<https://www.gnu.org/licenses/>. */
|
||
|
||
|
||
|
||
|
||
#ifdef HAVE_CONFIG_H
|
||
# include <config.h>
|
||
#endif
|
||
|
||
#include "alist.h"
|
||
#include "async.h"
|
||
#include "gsubr.h"
|
||
#include "hashtab.h"
|
||
#include "pairs.h"
|
||
#include "weak-table.h"
|
||
|
||
#include "objprop.h"
|
||
|
||
|
||
|
||
|
||
/* {Object Properties}
|
||
*/
|
||
|
||
static SCM object_whash;
|
||
|
||
SCM_DEFINE (scm_object_properties, "object-properties", 1, 0, 0,
|
||
(SCM obj),
|
||
"Return @var{obj}'s property list.")
|
||
#define FUNC_NAME s_scm_object_properties
|
||
{
|
||
return scm_weak_table_refq (object_whash, obj, SCM_EOL);
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
|
||
SCM_DEFINE (scm_set_object_properties_x, "set-object-properties!", 2, 0, 0,
|
||
(SCM obj, SCM alist),
|
||
"Set @var{obj}'s property list to @var{alist}.")
|
||
#define FUNC_NAME s_scm_set_object_properties_x
|
||
{
|
||
scm_weak_table_putq_x (object_whash, obj, alist);
|
||
|
||
return alist;
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
SCM_DEFINE (scm_object_property, "object-property", 2, 0, 0,
|
||
(SCM obj, SCM key),
|
||
"Return the property of @var{obj} with name @var{key}.")
|
||
#define FUNC_NAME s_scm_object_property
|
||
{
|
||
SCM assoc;
|
||
assoc = scm_assq (key, scm_object_properties (obj));
|
||
return (scm_is_pair (assoc) ? SCM_CDR (assoc) : SCM_BOOL_F);
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
SCM_DEFINE (scm_set_object_property_x, "set-object-property!", 3, 0, 0,
|
||
(SCM obj, SCM key, SCM value),
|
||
"In @var{obj}'s property list, set the property named @var{key}\n"
|
||
"to @var{value}.")
|
||
#define FUNC_NAME s_scm_set_object_property_x
|
||
{
|
||
SCM alist;
|
||
SCM assoc;
|
||
|
||
scm_i_pthread_mutex_lock (&scm_i_misc_mutex);
|
||
alist = scm_weak_table_refq (object_whash, obj, SCM_EOL);
|
||
assoc = scm_assq (key, alist);
|
||
if (scm_is_pair (assoc))
|
||
SCM_SETCDR (assoc, value);
|
||
else
|
||
scm_weak_table_putq_x (object_whash, obj, scm_acons (key, value, alist));
|
||
scm_i_pthread_mutex_unlock (&scm_i_misc_mutex);
|
||
|
||
return value;
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
|
||
void
|
||
scm_init_objprop ()
|
||
{
|
||
object_whash = scm_c_make_weak_table (0, SCM_WEAK_TABLE_KIND_KEY);
|
||
#include "objprop.x"
|
||
}
|
||
|