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Deprecate C hooks

Browse source 
* libguile/chooks.c:
* libguile/chooks.h: Remove.
* libguile/deprecated.h:
* libguile/deprecated.c: Add deprecated implementations.
* libguile/gc.c:
* libguile/gc.h: Arrange to call before/after C hooks if deprecated code
is enabled.
* libguile/Makefile.am:
* libguile.h: Remove chooks.[ch] references.
This commit is contained in:
Andy Wingo 2025-06-25 09:49:58 +02:00
parent 08296e6022
commit a6b848dcba
8 changed files with 148 additions and 204 deletions
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98
libguile/deprecated.c
View file

@ -21,6 +21,8 @@
# include <config.h>
#endif
#include <stdio.h>
#define SCM_BUILDING_DEPRECATED_CODE
#include "deprecation.h"
@ -765,6 +767,102 @@ scm_i_simple_vector_set_x (SCM v, size_t k, SCM val)
scm_t_c_hook scm_before_gc_c_hook = { 0, SCM_C_HOOK_NORMAL, NULL };
scm_t_c_hook scm_before_mark_c_hook = { 0, SCM_C_HOOK_NORMAL, NULL };
scm_t_c_hook scm_before_sweep_c_hook = { 0, SCM_C_HOOK_NORMAL, NULL };
scm_t_c_hook scm_after_sweep_c_hook = { 0, SCM_C_HOOK_NORMAL, NULL };
scm_t_c_hook scm_after_gc_c_hook = { 0, SCM_C_HOOK_NORMAL, NULL };
void
scm_c_hook_init (scm_t_c_hook *hook, void *hook_data, scm_t_c_hook_type type)
{
scm_c_issue_deprecation_warning
("C hooks (scm_c_hook_ functions) are deprecated. Implement this yourself.");
hook->first = 0;
hook->type = type;
hook->data = hook_data;
}
void
scm_c_hook_add (scm_t_c_hook *hook,
scm_t_c_hook_function func,
void *fn_data,
int appendp)
{
scm_c_issue_deprecation_warning
("C hooks (scm_c_hook_ functions) are deprecated. Implement this yourself.");
scm_t_c_hook_entry *entry;
scm_t_c_hook_entry **loc = &hook->first;
entry = scm_allocate_sloppy (SCM_I_CURRENT_THREAD,
sizeof (scm_t_c_hook_entry));
if (appendp)
while (*loc)
loc = &(*loc)->next;
entry->next = *loc;
entry->func = func;
entry->data = fn_data;
*loc = entry;
}
void
scm_c_hook_remove (scm_t_c_hook *hook,
scm_t_c_hook_function func,
void *fn_data)
{
scm_c_issue_deprecation_warning
("C hooks (scm_c_hook_ functions) are deprecated. Implement this yourself.");
scm_t_c_hook_entry **loc = &hook->first;
while (*loc)
{
if ((*loc)->func == func && (*loc)->data == fn_data)
{
*loc = (*loc)->next;
return;
}
loc = &(*loc)->next;
}
fprintf (stderr, "Attempt to remove non-existent hook function\n");
abort ();
}
void *
scm_c_hook_run (scm_t_c_hook *hook, void *data)
{
scm_c_issue_deprecation_warning
("C hooks (scm_c_hook_ functions) are deprecated. Implement this yourself.");
return scm_i_c_hook_run (hook, data);
}
void *
scm_i_c_hook_run (scm_t_c_hook *hook, void *data)
{
scm_t_c_hook_entry *entry = hook->first;
scm_t_c_hook_type type = hook->type;
void *res = 0;
while (entry)
{
res = (entry->func) (hook->data, entry->data, data);
if (res)
{
if (type == SCM_C_HOOK_OR)
break;
}
else
{
if (type == SCM_C_HOOK_AND)
break;
}
entry = entry->next;
}
return res;
}
void
scm_i_init_deprecated ()
{