static char *
completion_generator (char *word, int state)
{
if (state == 0)
{
repv fun = completion_fun;
if (fun == Qnil)
/* backwards compatibility, ugh */
fun = Fsymbol_value (Qrl_completion_generator, Qt);
if (Ffunctionp (fun) != Qnil)
{
completions = (rep_call_with_barrier
(Ffuncall, rep_list_2 (fun, rep_string_dup (word)),
rep_TRUE, 0, 0, 0));
}
else
{
repv re = Fquote_regexp (rep_string_dup (word));
repv boundp = Fsymbol_value (Qboundp, Qt);
completions = Fapropos (rep_concat2("^", rep_STR(re)),
boundp, Qnil);
}
if (completions == rep_NULL)
completions = Qnil;
}
if (completions != Qnil && rep_CONSP(completions)
&& (rep_SYMBOLP(rep_CAR(completions))
|| rep_STRINGP(rep_CAR(completions))))
{
repv string = rep_CAR(completions);
if (rep_SYMBOLP(string))
string = rep_SYM(string)->name;
completions = rep_CDR(completions);
return strdup (rep_STR(string));
}
else
return 0;
}
int gh_procedure_p(repv val)
{
val = Ffunctionp (val);
return val && val != Qnil;
}