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parse.y: %-string cannot be a label

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* parse.y (parser_yylex): %-string cannot be a label even if
  terminated by single/double quotes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-04-30 14:36:19 +00:00
parent 7132479960
commit 4d12807e30
2 changed files with 13 additions and 3 deletions
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7
parse.y
View file

@ -5686,6 +5686,7 @@ rb_parser_compile_file_path(volatile VALUE vparser, VALUE fname, VALUE file, int
#define STR_FUNC_QWORDS 0x08
#define STR_FUNC_SYMBOL 0x10
#define STR_FUNC_INDENT 0x20
#define STR_FUNC_LABEL 0x40
enum string_type {
str_squote = (0),
@ -7858,7 +7859,7 @@ parser_yylex(struct parser_params *parser)
}
else {
token = parse_string(lex_strterm);
if (token == tSTRING_END && (peek_n('\'', -1) || peek_n('"', -1))) {
if ((token == tSTRING_END) && (lex_strterm->nd_func & STR_FUNC_LABEL)) {
if (((IS_lex_state(EXPR_BEG | EXPR_ENDFN) && !COND_P()) || IS_ARG()) &&
IS_LABEL_SUFFIX(0)) {
nextc();
@ -8139,7 +8140,7 @@ parser_yylex(struct parser_params *parser)
return '>';
case '"':
lex_strterm = NEW_STRTERM(str_dquote, '"', 0);
lex_strterm = NEW_STRTERM(str_dquote|STR_FUNC_LABEL, '"', 0);
return tSTRING_BEG;
case '`':
@ -8158,7 +8159,7 @@ parser_yylex(struct parser_params *parser)
return tXSTRING_BEG;
case '\'':
lex_strterm = NEW_STRTERM(str_squote, '\'', 0);
lex_strterm = NEW_STRTERM(str_squote|STR_FUNC_LABEL, '\'', 0);
return tSTRING_BEG;
case '?':

9
test/ruby/test_syntax.rb
View file

@ -295,6 +295,15 @@ WARN
assert_not_label(:foo, 'class Foo < not_label:foo; end', bug6347)
end
def test_no_label_with_percent
assert_syntax_error('{%"a": 1}', /unexpected ':'/)
assert_syntax_error("{%'a': 1}", /unexpected ':'/)
assert_syntax_error('{%Q"a": 1}', /unexpected ':'/)
assert_syntax_error("{%Q'a': 1}", /unexpected ':'/)
assert_syntax_error('{%q"a": 1}', /unexpected ':'/)
assert_syntax_error("{%q'a': 1}", /unexpected ':'/)
end
def test_duplicated_arg
assert_syntax_error("def foo(a, a) end", /duplicated argument name/)
assert_nothing_raised { def foo(_, _) end }