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[ruamoko] Finish implementation of __obj_forward

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With this, object's implementing forward:: seem to accept the message
well, including receiving all the original args (not quite sure how to
deal with them in ruamoko code just yet, though).
This commit is contained in:
Bill Currie 2020-03-09 22:20:11 +09:00
parent 7d43bd5c66
commit fa0a74efdf
1 changed files with 19 additions and 0 deletions
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19
libs/ruamoko/rua_obj.c
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@ -1257,6 +1257,25 @@ rua___obj_forward (progs_t *pr)
}
if (obj_reponds_to (probj, obj, fwd_sel)) {
imp = get_imp (probj, class, fwd_sel);
// forward:(SEL) sel :(@va_list) args
// args is full param list
//FIXME oh for a stack
size_t size = pr->pr_argc * sizeof (pr_type_t);
string_t args_block = PR_AllocTempBlock (pr, size);
int argc = pr->pr_argc;
__auto_type argv = (pr_type_t *) PR_GetString (pr, args_block);
// can't memcpy all params because 0 and 1 could be anywhere
memcpy (argv + 0, &P_INT (pr, 0), 4 * sizeof (pr_type_t));
memcpy (argv + 4, &P_INT (pr, 1), 4 * sizeof (pr_type_t));
memcpy (argv + 8, &P_INT (pr, 2), (argc - 2) * sizeof (pr_type_t));
PR_RESET_PARAMS (pr);
P_POINTER (pr, 0) = PR_SetPointer (pr, obj);
P_POINTER (pr, 1) = PR_SetPointer (pr, fwd_sel);
P_POINTER (pr, 2) = PR_SetPointer (pr, sel);
P_PACKED (pr, pr_va_list_t, 3).count = argc;
P_PACKED (pr, pr_va_list_t, 3).list = PR_SetPointer (pr, argv);
PR_CallFunction (pr, imp);
return;
}