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* parse.y (parser_read_escape, parser_tokadd_escape): allow a hex or

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octal encoded character after \c.  This seemed to be prohibited at
  r13836, but its ChangeLog mentions nothing about this prohibition.
  So I assume this prohibition is not intended.  [ruby-core:27229]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27847 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mame 2010-05-16 12:54:37 +00:00
parent 11e078fb04
commit 3cd67ce505
3 changed files with 11 additions and 5 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Sun May 16 21:51:04 2010 Yusuke Endoh <mame@tsg.ne.jp>
* parse.y (parser_read_escape, parser_tokadd_escape): allow a hex or
octal encoded character after \c. This seemed to be prohibited at
r13836, but its ChangeLog mentions nothing about this prohibition.
So I assume this prohibition is not intended. [ruby-core:27229]
Sun May 16 21:14:04 2010 Yuki Sonoda (Yugui) <yugui@yugui.jp>
* ruby/test_rubyoptions.rb (TestRubyOptions#test_segv_test):

4
parse.y
View file

@ -5568,14 +5568,12 @@ parser_read_escape(struct parser_params *parser, int flags,
case '0': case '1': case '2': case '3': /* octal constant */
case '4': case '5': case '6': case '7':
if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
pushback(c);
c = scan_oct(lex_p, 3, &numlen);
lex_p += numlen;
return c;
case 'x': /* hex constant */
if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
c = tok_hex(&numlen);
if (numlen == 0) return 0;
return c;
@ -5648,7 +5646,6 @@ parser_tokadd_escape(struct parser_params *parser, rb_encoding **encp)
case '0': case '1': case '2': case '3': /* octal constant */
case '4': case '5': case '6': case '7':
if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
{
ruby_scan_oct(--lex_p, 3, &numlen);
if (numlen == 0) goto eof;
@ -5658,7 +5655,6 @@ parser_tokadd_escape(struct parser_params *parser, rb_encoding **encp)
return 0;
case 'x': /* hex constant */
if (flags & (ESCAPE_CONTROL|ESCAPE_META)) goto eof;
{
tok_hex(&numlen);
if (numlen == 0) goto eof;

5
test/ruby/test_literal.rb
View file

@ -54,11 +54,14 @@ class TestRubyLiteral < Test::Unit::TestCase
assert_equal "\n", "\n"
bug2500 = '[ruby-core:27228]'
%w[c C- M-].each do |pre|
["u", "x", %w[u{ }]].each do |open, close|
["u", %w[u{ }]].each do |open, close|
str = "\"\\#{pre}\\#{open}5555#{close}\""
assert_raise(SyntaxError, "#{bug2500} eval(#{str})") {eval(str)}
end
end
assert_equal "\x13", "\c\x33"
assert_equal "\x13", "\C-\x33"
assert_equal "\xB3", "\M-\x33"
end
def test_dstring