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Arguments forwarding is not allowed in lambda [Feature #16253]

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Nobuyoshi Nakada 2019-10-25 00:06:43 +09:00
parent 1fb4584825
commit 6279e45cde
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2 changed files with 15 additions and 11 deletions
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24
parse.y
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@ -4781,6 +4781,19 @@ f_arglist : '(' f_args rparen
SET_LEX_STATE(EXPR_BEG);
p->command_start = TRUE;
}
| '(' args_forward rparen
{
arg_var(p, idFWD_REST);
arg_var(p, idFWD_KWREST);
arg_var(p, idFWD_BLOCK);
/*%%%*/
$$ = new_args_tail(p, Qnone, idFWD_KWREST, idFWD_BLOCK, &@2);
$$ = new_args(p, Qnone, Qnone, idFWD_REST, Qnone, $$, &@2);
/*% %*/
/*% ripper: paren!(params_new(Qnone, Qnone, $2, Qnone, Qnone, Qnone, Qnone)) %*/
SET_LEX_STATE(EXPR_BEG);
p->command_start = TRUE;
}
| {
$<num>$ = p->in_kwarg;
p->in_kwarg = 1;
@ -4883,17 +4896,6 @@ f_args : f_arg ',' f_optarg ',' f_rest_arg opt_args_tail
{
$$ = new_args(p, Qnone, Qnone, Qnone, Qnone, $1, &@$);
}
| args_forward
{
arg_var(p, idFWD_REST);
arg_var(p, idFWD_KWREST);
arg_var(p, idFWD_BLOCK);
/*%%%*/
$$ = new_args_tail(p, Qnone, idFWD_KWREST, idFWD_BLOCK, &@1);
$$ = new_args(p, Qnone, Qnone, idFWD_REST, Qnone, $$, &@$);
/*% %*/
/*% ripper: params_new(Qnone, Qnone, $1, Qnone, Qnone, Qnone, Qnone) %*/
}
| /* none */
{
$$ = new_args_tail(p, Qnone, Qnone, Qnone, &@0);

2
test/ruby/test_syntax.rb
View file

@ -1476,6 +1476,8 @@ eom
assert_valid_syntax('def foo(...) end')
assert_syntax_error('iter do |...| end', /unexpected/)
assert_syntax_error('iter {|...|}', /unexpected/)
assert_syntax_error('->... {}', /unexpected/)
assert_syntax_error('->(...) {}', /unexpected/)
assert_syntax_error('def foo(x, y, z) bar(...); end', /unexpected/)
assert_syntax_error('def foo(x, y, z) super(...); end', /unexpected/)
assert_syntax_error('def foo(...) yield(...); end', /unexpected/)