vm_args.c: prefer optarg to keyword splat

* vm_args.c (setup_parameters_complex): prefer optional argument
  to splat keyword arguments for backward compatibility.
  [ruby-core:82280] [Bug #13791]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59554 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-08-10 00:32:12 +00:00
parent 8081826be6
commit 4ebe2d4ef0
2 changed files with 6 additions and 1 deletions

View File

@ -506,12 +506,16 @@ class TestKeywordArguments < Test::Unit::TestCase
def test_splat_hash
m = Object.new
def m.f() :ok; end
def m.f2(a = nil) a; end
o = {a: 1}
assert_raise_with_message(ArgumentError, /unknown keyword: a/) {
m.f(**o)
}
o = {}
assert_equal(:ok, m.f(**o), '[ruby-core:68124] [Bug #10856]')
o = {a: 42}
assert_equal({a: 42}, m.f2(**o), '[ruby-core:82280] [Bug #13791]')
end
def test_gced_object_in_stack

View File

@ -616,7 +616,8 @@ setup_parameters_complex(rb_thread_t * const th, const rb_iseq_t * const iseq,
if (given_argc > min_argc &&
(iseq->body->param.flags.has_kw || iseq->body->param.flags.has_kwrest ||
(!iseq->body->param.flags.has_rest && (ci->flag & VM_CALL_KW_SPLAT))) &&
(!iseq->body->param.flags.has_rest && given_argc > max_argc &&
(ci->flag & VM_CALL_KW_SPLAT))) &&
args->kw_argv == NULL) {
if (args_pop_keyword_hash(args, &keyword_hash, th)) {
given_argc--;