From 2ce6d23db628df3eef3a5bda0091768bccdbe9cd Mon Sep 17 00:00:00 2001 From: dearblue Date: Sun, 4 Mar 2018 22:23:47 +0900 Subject: add forced block arguments feature to mrb_get_args --- src/class.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'src/class.c') diff --git a/src/class.c b/src/class.c index 3f24528ca..e0f8d4673 100644 --- a/src/class.c +++ b/src/class.c @@ -593,7 +593,7 @@ mrb_get_argv(mrb_state *mrb) n: Symbol [mrb_sym] d: Data [void*,mrb_data_type const] 2nd argument will be used to check data type so it won't be modified I: Inline struct [void*] - &: Block [mrb_value] + &: Block [mrb_value] when && gives raised exception if no block given *: rest argument [mrb_value*,mrb_int] The rest of the arguments as an array; *! avoid copy of the stack |: optional Following arguments are optional ?: optional given [mrb_bool] true if preceding argument (optional) is given @@ -937,6 +937,12 @@ mrb_get_args(mrb_state *mrb, const char *format, ...) else { bp = mrb->c->stack + mrb->c->ci->argc + 1; } + if (*format == '&') { + format ++; + if (mrb_nil_p(*bp)) { + mrb_raise(mrb, E_ARGUMENT_ERROR, "no block given"); + } + } *p = *bp; } break; -- cgit v1.2.3