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e7efe8e7 | 1 | /* Copyright (C) 1995,1996, 2000, 2001, 2003, 2006, 2008, 2009 Free Software Foundation, Inc. |
0f2d19dd | 2 | * |
73be1d9e | 3 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
4 | * modify it under the terms of the GNU Lesser General Public License |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
0f2d19dd | 7 | * |
53befeb7 NJ |
8 | * This library is distributed in the hope that it will be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
11 | * Lesser General Public License for more details. | |
0f2d19dd | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
16 | * 02110-1301 USA | |
73be1d9e | 17 | */ |
1bbd0b84 | 18 | |
1bbd0b84 | 19 | |
0f2d19dd | 20 | \f |
dbb605f5 LC |
21 | #ifdef HAVE_CONFIG_H |
22 | # include <config.h> | |
23 | #endif | |
0f2d19dd | 24 | |
a0599745 | 25 | #include "libguile/_scm.h" |
4e047c3e | 26 | #include "libguile/async.h" |
a0599745 MD |
27 | #include "libguile/hashtab.h" |
28 | #include "libguile/alist.h" | |
29 | #include "libguile/root.h" | |
30 | #include "libguile/weaks.h" | |
0f2d19dd | 31 | |
a0599745 | 32 | #include "libguile/objprop.h" |
0f2d19dd JB |
33 | \f |
34 | ||
35 | /* {Object Properties} | |
36 | */ | |
37 | ||
e7efe8e7 AW |
38 | static SCM object_whash; |
39 | ||
3b3b36dd | 40 | SCM_DEFINE (scm_object_properties, "object-properties", 1, 0, 0, |
1bbd0b84 | 41 | (SCM obj), |
b380b885 | 42 | "Return @var{obj}'s property list.") |
1bbd0b84 | 43 | #define FUNC_NAME s_scm_object_properties |
0f2d19dd | 44 | { |
e7efe8e7 | 45 | return scm_hashq_ref (object_whash, obj, SCM_EOL); |
0f2d19dd | 46 | } |
1bbd0b84 | 47 | #undef FUNC_NAME |
0f2d19dd JB |
48 | |
49 | ||
3b3b36dd | 50 | SCM_DEFINE (scm_set_object_properties_x, "set-object-properties!", 2, 0, 0, |
1e6808ea | 51 | (SCM obj, SCM alist), |
b380b885 | 52 | "Set @var{obj}'s property list to @var{alist}.") |
1bbd0b84 | 53 | #define FUNC_NAME s_scm_set_object_properties_x |
0f2d19dd | 54 | { |
e7efe8e7 | 55 | SCM handle = scm_hashq_create_handle_x (object_whash, obj, alist); |
1e6808ea MG |
56 | SCM_SETCDR (handle, alist); |
57 | return alist; | |
0f2d19dd | 58 | } |
1bbd0b84 | 59 | #undef FUNC_NAME |
0f2d19dd | 60 | |
3b3b36dd | 61 | SCM_DEFINE (scm_object_property, "object-property", 2, 0, 0, |
1bbd0b84 | 62 | (SCM obj, SCM key), |
b380b885 | 63 | "Return the property of @var{obj} with name @var{key}.") |
1bbd0b84 | 64 | #define FUNC_NAME s_scm_object_property |
0f2d19dd JB |
65 | { |
66 | SCM assoc; | |
332ab360 | 67 | assoc = scm_assq (key, scm_object_properties (obj)); |
0f2d19dd JB |
68 | return (SCM_NIMP (assoc) ? SCM_CDR (assoc) : SCM_BOOL_F); |
69 | } | |
1bbd0b84 | 70 | #undef FUNC_NAME |
0f2d19dd | 71 | |
3b3b36dd | 72 | SCM_DEFINE (scm_set_object_property_x, "set-object-property!", 3, 0, 0, |
1e6808ea | 73 | (SCM obj, SCM key, SCM value), |
1e6808ea MG |
74 | "In @var{obj}'s property list, set the property named @var{key}\n" |
75 | "to @var{value}.") | |
1bbd0b84 | 76 | #define FUNC_NAME s_scm_set_object_property_x |
0f2d19dd JB |
77 | { |
78 | SCM h; | |
79 | SCM assoc; | |
e7efe8e7 | 80 | h = scm_hashq_create_handle_x (object_whash, obj, SCM_EOL); |
9de87eea | 81 | SCM_CRITICAL_SECTION_START; |
e869585c | 82 | assoc = scm_assq (key, SCM_CDR (h)); |
0f2d19dd | 83 | if (SCM_NIMP (assoc)) |
1e6808ea | 84 | SCM_SETCDR (assoc, value); |
0f2d19dd JB |
85 | else |
86 | { | |
1e6808ea | 87 | assoc = scm_acons (key, value, SCM_CDR (h)); |
0f2d19dd JB |
88 | SCM_SETCDR (h, assoc); |
89 | } | |
9de87eea | 90 | SCM_CRITICAL_SECTION_END; |
1e6808ea | 91 | return value; |
0f2d19dd | 92 | } |
1bbd0b84 | 93 | #undef FUNC_NAME |
0f2d19dd | 94 | |
1cc91f1b | 95 | |
0f2d19dd JB |
96 | void |
97 | scm_init_objprop () | |
0f2d19dd | 98 | { |
e7efe8e7 | 99 | object_whash = scm_make_weak_key_hash_table (SCM_UNDEFINED); |
a0599745 | 100 | #include "libguile/objprop.x" |
0f2d19dd JB |
101 | } |
102 | ||
89e00824 ML |
103 | |
104 | /* | |
105 | Local Variables: | |
106 | c-file-style: "gnu" | |
107 | End: | |
108 | */ |