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author | Andy Wingo <wingo@pobox.com> | 2018-06-18 10:23:04 +0200 |
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committer | Andy Wingo <wingo@pobox.com> | 2018-06-18 10:50:17 +0200 |
commit | 6f294ecc7522343be2774b18e2fe8e37ac58779c (patch) | |
tree | a564d7ff9c60443673167d6f8c913308a62f6c5b /libguile/chooks.c | |
parent | 8a6f46ee96e0946e539e3a33c95c3228b63e9fb3 (diff) | |
download | guile-6f294ecc7522343be2774b18e2fe8e37ac58779c.tar.gz |
Devolve more validate macros
* 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
Diffstat (limited to 'libguile/chooks.c')
-rw-r--r-- | libguile/chooks.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/libguile/chooks.c b/libguile/chooks.c new file mode 100644 index 000000000..9d4bed172 --- /dev/null +++ b/libguile/chooks.c @@ -0,0 +1,114 @@ +/* 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: +*/ |