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[Bug #19549] Check for variables to be interpolated

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This commit is contained in:
Nobuyoshi Nakada 2023-03-29 18:42:46 +09:00
parent 05aaff2191
commit bd046764e3
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GPG Key ID: 3582D74E1FEE4465
Notes: git 2023-09-07 06:07:58 +00:00 
Merged: https://github.com/ruby/ruby/pull/7615
2 changed files with 7 additions and 16 deletions
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18
parse.y
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@ -5432,24 +5432,10 @@ string_dend : tSTRING_DEND
| END_OF_INPUT
;
string_dvar : tGVAR
string_dvar : nonlocal_var
{
/*%%%*/
$$ = NEW_GVAR($1, &@$);
/*% %*/
/*% ripper: var_ref!($1) %*/
}
| tIVAR
{
/*%%%*/
$$ = NEW_IVAR($1, &@$);
/*% %*/
/*% ripper: var_ref!($1) %*/
}
| tCVAR
{
/*%%%*/
$$ = NEW_CVAR($1, &@$);
if (!($$ = gettable(p, $1, &@$))) $$ = NEW_BEGIN(0, &@$);
/*% %*/
/*% ripper: var_ref!($1) %*/
}

5
test/ruby/test_parse.rb
View File

@ -1443,6 +1443,11 @@ x = __ENCODING__
assert_equal(expected, obj.arg)
end
def test_ungettable_gvar
assert_syntax_error('$01234', /not valid to get/)
assert_syntax_error('"#$01234"', /not valid to get/)
end
=begin
def test_past_scope_variable
assert_warning(/past scope/) {catch {|tag| eval("BEGIN{throw tag}; tap {a = 1}; a")}}