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parse.y: empty paren

* parse.y (primary): empty parentheses at cmdarg can be null.
  [ruby-core:68477] [Bug #10957]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49964 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-03-13 17:14:53 +00:00
parent a747d4a8e4
commit 2456df7584
3 changed files with 13 additions and 2 deletions

View file

@ -1,3 +1,8 @@
Sat Mar 14 02:14:50 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (primary): empty parentheses at cmdarg can be null.
[ruby-core:68477] [Bug #10957]
Fri Mar 13 15:04:36 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ext/stringio/stringio.c (strio_close): don't raise on dobule

View file

@ -2102,7 +2102,7 @@ arg : lhs '=' arg
value_expr($1);
value_expr($3);
$$ = NEW_DOT2($1, $3);
if (nd_type($1) == NODE_LIT && FIXNUM_P($1->nd_lit) &&
if ($1 && nd_type($1) == NODE_LIT && FIXNUM_P($1->nd_lit) &&
nd_type($3) == NODE_LIT && FIXNUM_P($3->nd_lit)) {
deferred_nodes = list_append(deferred_nodes, $$);
}
@ -2116,7 +2116,7 @@ arg : lhs '=' arg
value_expr($1);
value_expr($3);
$$ = NEW_DOT3($1, $3);
if (nd_type($1) == NODE_LIT && FIXNUM_P($1->nd_lit) &&
if ($1 && nd_type($1) == NODE_LIT && FIXNUM_P($1->nd_lit) &&
nd_type($3) == NODE_LIT && FIXNUM_P($3->nd_lit)) {
deferred_nodes = list_append(deferred_nodes, $$);
}

View file

@ -557,6 +557,12 @@ eom
assert_syntax_error(src, /formal argument/, bug10545)
end
def test_null_range_cmdarg
bug10957 = '[ruby-core:68477] [Bug #10957]'
assert_ruby_status(['-c', '-e', 'p ()..0'], "", bug10957)
assert_ruby_status(['-c', '-e', 'p ()...0'], "", bug10957)
end
private
def not_label(x) @result = x; @not_label ||= nil end