diff options
Diffstat (limited to 'src/emacs-module.c')
| -rw-r--r-- | src/emacs-module.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/emacs-module.c b/src/emacs-module.c index bbb0e3dadd9..3855a33f254 100644 --- a/src/emacs-module.c +++ b/src/emacs-module.c @@ -327,6 +327,12 @@ static bool module_assertions = false; MODULE_HANDLE_NONLOCAL_EXIT (error_retval) static void +CHECK_MODULE_FUNCTION (Lisp_Object obj) +{ + CHECK_TYPE (MODULE_FUNCTIONP (obj), Qmodule_function_p, obj); +} + +static void CHECK_USER_PTR (Lisp_Object obj) { CHECK_TYPE (USER_PTRP (obj), Quser_ptrp, obj); @@ -478,6 +484,7 @@ struct Lisp_Module_Function ptrdiff_t min_arity, max_arity; emacs_function subr; void *data; + emacs_finalizer finalizer; } GCALIGNED_STRUCT; static struct Lisp_Module_Function * @@ -511,6 +518,7 @@ module_make_function (emacs_env *env, ptrdiff_t min_arity, ptrdiff_t max_arity, function->max_arity = max_arity; function->subr = func; function->data = data; + function->finalizer = NULL; if (docstring) function->documentation = build_string_from_utf8 (docstring); @@ -522,6 +530,32 @@ module_make_function (emacs_env *env, ptrdiff_t min_arity, ptrdiff_t max_arity, return lisp_to_value (env, result); } +static emacs_finalizer +module_get_function_finalizer (emacs_env *env, emacs_value arg) +{ + MODULE_FUNCTION_BEGIN (NULL); + Lisp_Object lisp = value_to_lisp (arg); + CHECK_MODULE_FUNCTION (lisp); + return XMODULE_FUNCTION (lisp)->finalizer; +} + +static void +module_set_function_finalizer (emacs_env *env, emacs_value arg, + emacs_finalizer fin) +{ + MODULE_FUNCTION_BEGIN (); + Lisp_Object lisp = value_to_lisp (arg); + CHECK_MODULE_FUNCTION (lisp); + XMODULE_FUNCTION (lisp)->finalizer = fin; +} + +void +module_finalize_function (const struct Lisp_Module_Function *func) +{ + if (func->finalizer != NULL) + func->finalizer (func->data); +} + static emacs_value module_funcall (emacs_env *env, emacs_value func, ptrdiff_t nargs, emacs_value *args) @@ -1329,6 +1363,8 @@ initialize_environment (emacs_env *env, struct emacs_env_private *priv) env->make_time = module_make_time; env->extract_big_integer = module_extract_big_integer; env->make_big_integer = module_make_big_integer; + env->get_function_finalizer = module_get_function_finalizer; + env->set_function_finalizer = module_set_function_finalizer; Vmodule_environments = Fcons (make_mint_ptr (env), Vmodule_environments); return env; } |