funcall_subr (struct Lisp_Subr *subr, ptrdiff_t numargs, Lisp_Object *args)
{
eassume (numargs >= 0);
- /* Conforming call to finite-arity subr. */
- if (numargs >= subr->min_args && numargs <= subr->max_args)
+ if (numargs >= subr->min_args)
{
- Lisp_Object argbuf[8];
- Lisp_Object *a;
- if (numargs < subr->max_args)
- {
- eassume (subr->max_args <= ARRAYELTS (argbuf));
- a = argbuf;
- memcpy (a, args, numargs * word_size);
- memclear (a + numargs, (subr->max_args - numargs) * word_size);
- }
- else
- a = args;
- switch (subr->max_args)
- {
- case 0:
- return subr->function.a0 ();
- case 1:
- return subr->function.a1 (a[0]);
- case 2:
- return subr->function.a2 (a[0], a[1]);
- case 3:
- return subr->function.a3 (a[0], a[1], a[2]);
- case 4:
- return subr->function.a4 (a[0], a[1], a[2], a[3]);
- case 5:
- return subr->function.a5 (a[0], a[1], a[2], a[3], a[4]);
- case 6:
- return subr->function.a6 (a[0], a[1], a[2], a[3], a[4], a[5]);
- case 7:
- return subr->function.a7 (a[0], a[1], a[2], a[3], a[4], a[5], a[6]);
- case 8:
- return subr->function.a8 (a[0], a[1], a[2], a[3], a[4], a[5], a[6],
- a[7]);
- default:
- /* If a subr takes more than 8 arguments without using MANY
- or UNEVALLED, we need to extend this function to support it.
- Until this is done, there is no way to call the function. */
- emacs_abort ();
- }
- }
+ /* Conforming call to finite-arity subr. */
+ if (numargs <= subr->max_args)
+ {
+ Lisp_Object argbuf[8];
+ Lisp_Object *a;
+ if (numargs < subr->max_args)
+ {
+ eassume (subr->max_args <= ARRAYELTS (argbuf));
+ a = argbuf;
+ memcpy (a, args, numargs * word_size);
+ memclear (a + numargs, (subr->max_args - numargs) * word_size);
+ }
+ else
+ a = args;
+ switch (subr->max_args)
+ {
+ case 0:
+ return subr->function.a0 ();
+ case 1:
+ return subr->function.a1 (a[0]);
+ case 2:
+ return subr->function.a2 (a[0], a[1]);
+ case 3:
+ return subr->function.a3 (a[0], a[1], a[2]);
+ case 4:
+ return subr->function.a4 (a[0], a[1], a[2], a[3]);
+ case 5:
+ return subr->function.a5 (a[0], a[1], a[2], a[3], a[4]);
+ case 6:
+ return subr->function.a6 (a[0], a[1], a[2], a[3], a[4], a[5]);
+ case 7:
+ return subr->function.a7 (a[0], a[1], a[2], a[3], a[4], a[5],
+ a[6]);
+ case 8:
+ return subr->function.a8 (a[0], a[1], a[2], a[3], a[4], a[5],
+ a[6], a[7]);
+ default:
+ /* If a subr takes more than 8 arguments without using MANY
+ or UNEVALLED, we need to extend this function to support it.
+ Until this is done, there is no way to call the function. */
+ emacs_abort ();
+ }
+ }
- /* Call to n-adic subr. */
- if (subr->max_args == MANY)
- return subr->function.aMANY (numargs, args);
+ /* Call to n-adic subr. */
+ if (subr->max_args == MANY)
+ return subr->function.aMANY (numargs, args);
+ }
/* Anything else is an error. */
Lisp_Object fun;
XSETSUBR (fun, subr);
- if (subr->max_args >= 0)
- xsignal2 (Qwrong_number_of_arguments, fun, make_fixnum (numargs));
- else
+ if (subr->max_args == UNEVALLED)
xsignal1 (Qinvalid_function, fun);
+ else
+ xsignal2 (Qwrong_number_of_arguments, fun, make_fixnum (numargs));
}
/* Call the compiled Lisp function FUN. If we have not yet read FUN's