mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 11:50:28 +02:00
6f294ecc75
* libguile.h: Add chooks.h. * libguile/Makefile.am: Add chooks.h and chooks.c. * libguile/chooks.c: * libguile/chooks.h: New files, for the C implementation of hooks. Broken out to avoid cycles in gc.h includes. * libguile/gc.h: * libguile/gc.c (scm_i_gc_admin_mutex, scm_i_sweep_mutex): Remove unused mutexes. Include chooks instead of hooks in the main header. * libguile/deprecated.h (scm_gc_running_p): Deprecate this macro always defined to 0. (SCM_VALIDATE_VECTOR_OR_DVECTOR): Deprecate this weird one too. * libguile/array-map.c: Add procs.h include. * libguile/threads.h: * libguile/vm.c: * libguile/r6rs-ports.c: Add smob.h include. * libguile/atomic.h (SCM_VALIDATE_ATOMIC_BOX): Devolve. * libguile/deprecation.c (scm_c_issue_deprecation_warning): Remove use of scm_gc_running_p. * libguile/error.c (scm_error_scm): Remove use of scm_gc_running_p. * libguile/filesys.h (SCM_VALIDATE_DIR) * libguile/fluids.h (SCM_VALIDATE_FLUID) * libguile/fports.h (SCM_VALIDATE_FPORT, SCM_VALIDATE_OPFPORT) * libguile/generalized-arrays.h (SCM_VALIDATE_ARRAY) * libguile/hooks.h (SCM_VALIDATE_HOOK) * libguile/keywords.h (SCM_VALIDATE_KEYWORD) * libguile/ports.h (SCM_VALIDATE_PORT, SCM_VALIDATE_INPUT_PORT) (SCM_VALIDATE_OUTPUT_PORT, SCM_VALIDATE_OPINPORT) (SCM_VALIDATE_OPENPORT, SCM_VALIDATE_OPPORT, SCM_VALIDATE_OPOUTPORT) * libguile/procs.h (SCM_VALIDATE_PROC) * libguile/random.h (SCM_VALIDATE_RSTATE) * libguile/regex-posix.h (SCM_VALIDATE_RGXP) * libguile/stacks.h (SCM_VALIDATE_STACK, SCM_VALIDATE_FRAME) * libguile/strports.h (SCM_VALIDATE_OPOUTSTRPORT) * libguile/struct.h (SCM_VALIDATE_STRUCT SCM_VALIDATE_VTABLE) * libguile/symbols.h (SCM_VALIDATE_SYMBOL) * libguile/variable.h (SCM_VALIDATE_VARIABLE) * libguile/vectors.h (SCM_VALIDATE_VECTOR SCM_VALIDATE_VECTOR_LEN): Devolve. * libguile/validate.h: It's empty now! hooks squish
114 lines
2.5 KiB
C
114 lines
2.5 KiB
C
/* Copyright (C) 1995-1996,1998-2001,2003,2006,2008-2009,2011,2018
|
||
* 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 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
|
||
* 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
|
||
*/
|
||
|
||
|
||
|
||
#ifdef HAVE_CONFIG_H
|
||
# include <config.h>
|
||
#endif
|
||
|
||
#include <stdio.h>
|
||
|
||
#include "libguile/__scm.h"
|
||
#include "libguile/gc.h"
|
||
#include "libguile/chooks.h"
|
||
|
||
|
||
/* 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)
|
||
{
|
||
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_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;
|
||
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_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_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;
|
||
}
|
||
|
||
/*
|
||
Local Variables:
|
||
c-file-style: "gnu"
|
||
End:
|
||
*/
|