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deprecated primitive-properties don't get handles from weak hash tables

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* libguile/deprecated.c (scm_primitive_property_ref)
  (scm_primitive_property_set_x): Avoid getting handles to elements in a
  weak hash table, as that's not going to work very well.
This commit is contained in:
Andy Wingo 2011-05-01 20:32:28 +02:00
parent d1c4720ca3
commit 4466db75da
1 changed files with 16 additions and 19 deletions
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35
libguile/deprecated.c
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@ -2425,17 +2425,17 @@ SCM_DEFINE (scm_primitive_property_ref, "primitive-property-ref", 2, 0, 0,
"property value.")
#define FUNC_NAME s_scm_primitive_property_ref
{
SCM h;
SCM alist;
scm_c_issue_deprecation_warning
("`primitive-property-ref' is deprecated. Use object properties.");
SCM_VALIDATE_CONS (SCM_ARG1, prop);
h = scm_hashq_get_handle (properties_whash, obj);
if (scm_is_true (h))
alist = scm_hashq_ref (properties_whash, obj, SCM_EOL);
if (scm_is_pair (alist))
{
SCM assoc = scm_assq (prop, SCM_CDR (h));
SCM assoc = scm_assq (prop, alist);
if (scm_is_true (assoc))
return SCM_CDR (assoc);
}
@ -2445,9 +2445,8 @@ SCM_DEFINE (scm_primitive_property_ref, "primitive-property-ref", 2, 0, 0,
else
{
SCM val = scm_call_2 (SCM_CAR (prop), prop, obj);
if (scm_is_false (h))
h = scm_hashq_create_handle_x (properties_whash, obj, SCM_EOL);
SCM_SETCDR (h, scm_acons (prop, val, SCM_CDR (h)));
scm_hashq_set_x (properties_whash, obj,
scm_acons (prop, val, alist));
return val;
}
}
@ -2459,21 +2458,19 @@ SCM_DEFINE (scm_primitive_property_set_x, "primitive-property-set!", 3, 0, 0,
"Set the property @var{prop} of @var{obj} to @var{val}.")
#define FUNC_NAME s_scm_primitive_property_set_x
{
SCM h, assoc;
SCM alist, assoc;
scm_c_issue_deprecation_warning
("`primitive-property-set!' is deprecated. Use object properties.");
SCM_VALIDATE_CONS (SCM_ARG1, prop);
h = scm_hashq_create_handle_x (properties_whash, obj, SCM_EOL);
assoc = scm_assq (prop, SCM_CDR (h));
if (SCM_NIMP (assoc))
alist = scm_hashq_ref (properties_whash, obj, SCM_EOL);
assoc = scm_assq (prop, alist);
if (scm_is_pair (assoc))
SCM_SETCDR (assoc, val);
else
{
assoc = scm_acons (prop, val, SCM_CDR (h));
SCM_SETCDR (h, assoc);
}
scm_hashq_set_x (properties_whash, obj,
scm_acons (prop, val, alist));
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
@ -2484,15 +2481,15 @@ SCM_DEFINE (scm_primitive_property_del_x, "primitive-property-del!", 2, 0, 0,
"Remove any value associated with @var{prop} and @var{obj}.")
#define FUNC_NAME s_scm_primitive_property_del_x
{
SCM h;
SCM alist;
scm_c_issue_deprecation_warning
("`primitive-property-del!' is deprecated. Use object properties.");
SCM_VALIDATE_CONS (SCM_ARG1, prop);
h = scm_hashq_get_handle (properties_whash, obj);
if (scm_is_true (h))
SCM_SETCDR (h, scm_assq_remove_x (SCM_CDR (h), prop));
alist = scm_hashq_ref (properties_whash, obj, SCM_EOL);
if (scm_is_pair (alist))
scm_hashq_set_x (properties_whash, obj, scm_assq_remove_x (alist, prop));
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME