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| author | dearblue <[email protected]> | 2021-06-19 15:08:09 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2021-06-19 21:15:02 +0900 |
| commit | c40802865a756f97ec8ffbd2361864b1fa291d4e (patch) | |
| tree | 48dd585ab8eeb33124042b3be52bd4493600332c /src/class.c | |
| parent | 43eddfd4d52a1c21fb248b979fbcc7321fabe73b (diff) | |
| download | mruby-c40802865a756f97ec8ffbd2361864b1fa291d4e.tar.gz mruby-c40802865a756f97ec8ffbd2361864b1fa291d4e.zip | |
Added `MRB_API` function to get block arguments info.
- ` mrb_block_given_p()` -- The name comes from CRuby's `rb_block_given_p ()`
At the same time, it applies to `f_instance_eval()` and `f_class_eval()` of `mruby-eval`.
Diffstat (limited to 'src/class.c')
| -rw-r--r-- | src/class.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/class.c b/src/class.c index f02e280ef..f9474815e 100644 --- a/src/class.c +++ b/src/class.c @@ -859,6 +859,17 @@ mrb_get_arg1(mrb_state *mrb) return array_argv[0]; } +MRB_API mrb_bool +mrb_block_given_p(mrb_state *mrb) +{ + const mrb_callinfo *ci = mrb->c->ci; + int argc = ci->argc; + int idx = (argc < 0) ? 2 : argc + 1; + mrb_value b = ci->stack[idx]; + + return !mrb_nil_p(b); +} + void mrb_hash_check_kdict(mrb_state *mrb, mrb_value self); /* |