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parse.y: zero codepoints

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* parse.y (parser_tokadd_utf8): relax restriction to allow zero or
  more codepoints.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57050 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-12-11 09:20:27 +00:00
parent 1d51f427ff
commit 7e8b910a56
2 changed files with 3 additions and 5 deletions
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5
parse.y
View file

@ -5809,14 +5809,15 @@ parser_tokadd_utf8(struct parser_params *parser, rb_encoding **encp,
int c, last = nextc();
do c = nextc(); while (ISSPACE(c));
pushback(c);
do {
while (!string_literal || c != close_brace) {
if (regexp_literal) tokadd(last);
if (!parser_tokadd_codepoint(parser, encp, regexp_literal, TRUE)) {
return 0;
}
while (ISSPACE(c = nextc())) last = c;
pushback(c);
} while (string_literal && c != close_brace);
if (!string_literal) break;
}
if (c != close_brace) {
yyerror("unterminated Unicode escape");

3
test/ruby/test_parse.rb
View file

@ -535,9 +535,6 @@ class TestParse < Test::Unit::TestCase
assert_nothing_raised(SyntaxError, bug) do
assert_equal(sym, eval(':"foo\u{0}bar"'))
end
assert_raise(SyntaxError) do
eval ':"foo\u{}bar"'
end
end
def test_parse_string