diff options
| -rw-r--r-- | parse.y | 5 | ||||
| -rw-r--r-- | test/ruby/test_parse.rb | 5 |
2 files changed, 9 insertions, 1 deletions
@@ -8375,7 +8375,10 @@ parse_atmark(struct parser_params *p, const enum lex_state_e last_state) unsigned long n = ruby_scan_digits(ptr, len, 10, &len, &overflow); p->lex.pcur = ptr + len; RUBY_SET_YYLLOC(loc); - if (ptr[0] == '0') { + if (IS_lex_state(EXPR_FNAME)) { + compile_error(p, "`@%c' is not allowed as an instance variable name", c); + } + else if (ptr[0] == '0') { compile_error(p, "leading zero is not allowed as a numbered parameter"); } else if (overflow || n > NUMPARAM_MAX) { diff --git a/test/ruby/test_parse.rb b/test/ruby/test_parse.rb index e21f1f9515..11a77bacd8 100644 --- a/test/ruby/test_parse.rb +++ b/test/ruby/test_parse.rb @@ -590,6 +590,11 @@ class TestParse < Test::Unit::TestCase assert_equal(:foobar, eval(':"foo\u{}bar"')) assert_equal(:foobar, eval(':"foo\u{ }bar"')) end + + assert_syntax_error(':@@', /is not allowed/) + assert_syntax_error(':@@1', /is not allowed/) + assert_syntax_error(':@', /is not allowed/) + assert_syntax_error(':@1', /is not allowed/) end def test_parse_string |