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parse.y: fix token

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* parse.y (parser_parse_string): return proper token tREGEXP_END
  at unterminated regexp.  [Bug #13363]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59196 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-06-28 06:13:00 +00:00
parent 957d1ccdf9
commit f78d92c5ca
2 changed files with 15 additions and 5 deletions
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12
parse.y
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@ -5461,7 +5461,7 @@ rb_parser_compile_file_path(VALUE vparser, VALUE fname, VALUE file, int start)
#define STR_FUNC_SYMBOL 0x10
#define STR_FUNC_INDENT 0x20
#define STR_FUNC_LABEL 0x40
#define STR_TERM_END -1
#define STR_FUNC_TERM 0x8000
enum string_type {
str_label = STR_FUNC_LABEL,
@ -6237,7 +6237,9 @@ parser_parse_string(struct parser_params *parser, NODE *quote)
int c, space = 0;
rb_encoding *enc = current_enc;
if (term == STR_TERM_END) return tSTRING_END;
if (func & STR_FUNC_TERM) {
return func & STR_FUNC_REGEXP ? tREGEXP_END : tSTRING_END;
}
c = nextc();
if ((func & STR_FUNC_QWORDS) && ISSPACE(c)) {
do {c = nextc();} while (ISSPACE(c));
@ -6245,7 +6247,7 @@ parser_parse_string(struct parser_params *parser, NODE *quote)
}
if (c == term && !quote->nd_nest) {
if (func & STR_FUNC_QWORDS) {
quote->u2.id = STR_TERM_END;
quote->nd_func |= STR_FUNC_TERM;
return ' ';
}
return parser_string_term(parser, func);
@ -6271,7 +6273,7 @@ parser_parse_string(struct parser_params *parser, NODE *quote)
else {
compile_error(PARSER_ARG "unterminated string meets end of file");
}
quote->u2.id = STR_TERM_END;
quote->nd_func |= STR_FUNC_TERM;
}
}
@ -6704,7 +6706,7 @@ parser_here_document(struct parser_params *parser, NODE *here)
yylval.val, str);
#endif
heredoc_restore(lex_strterm);
lex_strterm = NEW_STRTERM(func, STR_TERM_END, 0);
lex_strterm = NEW_STRTERM(func | STR_FUNC_TERM, 0, 0);
set_yylval_str(str);
return tSTRING_CONTENT;
}

8
test/ruby/test_parse.rb
View file

@ -1022,6 +1022,14 @@ x = __ENCODING__
assert_operator(line, :end_with?, "...\n")
end
def test_unterminated_regexp_error
e = assert_raise(SyntaxError) do
eval("/x")
end.message
assert_match(/unterminated regexp meets end of file/, e)
assert_not_match(/unexpected tSTRING_END/, e)
end
=begin
def test_past_scope_variable
assert_warning(/past scope/) {catch {|tag| eval("BEGIN{throw tag}; tap {a = 1}; a")}}