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Only set rl_completion_display_matches_hook if there 

is a Python hook function. Fixes #1425.
This commit is contained in:
Martin v. Löwis 2007-11-12 04:53:02 +00:00
parent abfe45368c
commit f354894e7b
1 changed files with 42 additions and 35 deletions
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21
Modules/readline.c
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@ -38,6 +38,10 @@
extern char **completion_matches(char *, rl_compentry_func_t *);
#endif
static void
on_completion_display_matches_hook(char **matches,
int num_matches, int max_length);
/* Exported function to send one line to readline's init file parser */
@ -208,8 +212,17 @@ static PyObject *pre_input_hook = NULL;
static PyObject *
set_completion_display_matches_hook(PyObject *self, PyObject *args)
{
return set_hook("completion_display_matches_hook",
PyObject *result = set_hook("completion_display_matches_hook",
&completion_display_matches_hook, args);
#ifdef HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK
/* We cannot set this hook globally, since it replaces the
default completion display. */
rl_completion_display_matches_hook =
completion_display_matches_hook ?
(rl_compdisp_func_t *)on_completion_display_matches_hook : 0;
#endif
return result;
}
PyDoc_STRVAR(doc_set_completion_display_matches_hook,
@ -668,7 +681,6 @@ static void
on_completion_display_matches_hook(char **matches,
int num_matches, int max_length)
{
if (completion_display_matches_hook != NULL) {
int i;
PyObject *m, *s;
PyObject *r;
@ -701,7 +713,6 @@ on_completion_display_matches_hook(char **matches,
PyGILState_Release(gilstate);
#endif
}
}
/* C function to call the Python completer. */
@ -781,10 +792,6 @@ setup_readline(void)
rl_bind_key_in_map ('\t', rl_complete, emacs_meta_keymap);
rl_bind_key_in_map ('\033', rl_complete, emacs_meta_keymap);
/* Set our hook functions */
#ifdef HAVE_RL_COMPLETION_DISPLAY_MATCHES_HOOK
rl_completion_display_matches_hook =
(rl_compdisp_func_t *)on_completion_display_matches_hook;
#endif
rl_startup_hook = (Function *)on_startup_hook;
#ifdef HAVE_RL_PRE_INPUT_HOOK
rl_pre_input_hook = (Function *)on_pre_input_hook;