-/* Copyright (C) 1995,1996,1998,1999,2000,2001, 2003, 2006, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 1995,1996,1998,1999,2000,2001, 2003, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* This library 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 2.1 of the License, or (at your option) any later version.
+ * 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.
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * This library 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 this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
*/
* using C level hooks.
*/
+/* Hint for `scm_gc_malloc ()' and friends. */
+static const char hook_entry_gc_hint[] = "hook entry";
+
void
scm_c_hook_init (scm_t_c_hook *hook, void *hook_data, scm_t_c_hook_type type)
{
void *fn_data,
int appendp)
{
- scm_t_c_hook_entry *entry = scm_malloc (sizeof (scm_t_c_hook_entry));
+ scm_t_c_hook_entry *entry;
scm_t_c_hook_entry **loc = &hook->first;
+
+ entry = scm_gc_malloc (sizeof (scm_t_c_hook_entry), hook_entry_gc_hint);
if (appendp)
while (*loc)
loc = &(*loc)->next;
{
if ((*loc)->func == func && (*loc)->data == fn_data)
{
- scm_t_c_hook_entry *entry = *loc;
*loc = (*loc)->next;
- free (entry);
return;
}
loc = &(*loc)->next;
"procedure is not specified.")
#define FUNC_NAME s_scm_add_hook_x
{
- SCM arity, rest;
- int n_args;
+ SCM rest;
+ int n_args, p_req, p_opt, p_rest;
SCM_VALIDATE_HOOK (1, hook);
- SCM_ASSERT (scm_is_true (arity = scm_i_procedure_arity (proc)),
+ SCM_ASSERT (scm_i_procedure_arity (proc, &p_req, &p_opt, &p_rest),
proc, SCM_ARG2, FUNC_NAME);
n_args = SCM_HOOK_ARITY (hook);
- if (scm_to_int (SCM_CAR (arity)) > n_args
- || (scm_is_false (SCM_CADDR (arity))
- && (scm_to_int (SCM_CAR (arity)) + scm_to_int (SCM_CADR (arity))
- < n_args)))
+ if (p_req > n_args || (!p_rest && p_req + p_opt < n_args))
scm_wrong_type_arg (FUNC_NAME, 2, proc);
rest = scm_delq_x (proc, SCM_HOOK_PROCEDURES (hook));
SCM_SET_HOOK_PROCEDURES (hook,
}
}
+void
+scm_c_run_hookn (SCM hook, SCM *argv, size_t nargs)
+{
+ SCM procs = SCM_HOOK_PROCEDURES (hook);
+ while (SCM_NIMP (procs))
+ {
+ scm_call_n (SCM_CAR (procs), argv, nargs);
+ procs = SCM_CDR (procs);
+ }
+}
+
SCM_DEFINE (scm_hook_to_list, "hook->list", 1, 0, 0,
(SCM hook),