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Prohibit setter method names in endless method definition

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https://bugs.ruby-lang.org/issues/16746#note-26
This commit is contained in:
Yusuke Endoh 2020-08-31 16:49:16 +09:00
parent 86737c509c
commit 53ba9fb74e
Notes: git 2020-08-31 20:30:52 +09:00 
Merged: https://github.com/ruby/ruby/pull/3479
2 changed files with 4 additions and 0 deletions
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3
parse.y
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@ -2474,6 +2474,9 @@ arg : lhs '=' arg_rhs
} }
| defn_head f_paren_args '=' arg | defn_head f_paren_args '=' arg
{ {
if (is_attrset_id($<node>1->nd_mid)) {
yyerror1(&@1, "setter method cannot be defined in an endless method definition");
}
token_info_drop(p, "def", @1.beg_pos); token_info_drop(p, "def", @1.beg_pos);
restore_defun(p, $<node>1->nd_defn); restore_defun(p, $<node>1->nd_defn);
/*%%%*/ /*%%%*/

1
test/ruby/test_syntax.rb
View File

@ -1429,6 +1429,7 @@ eom
end end
assert_equal("class ok", k.rescued("ok")) assert_equal("class ok", k.rescued("ok"))
assert_equal("instance ok", k.new.rescued("ok")) assert_equal("instance ok", k.new.rescued("ok"))
assert_syntax_error('def foo=() = 42', /setter method cannot be defined in an endless method definition/)
end end
def test_methoddef_in_cond def test_methoddef_in_cond