nobu	2012-02-25 07:54:00 +0900 (Sat, 25 Feb 2012)

  New Revision: 34796

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=34796

  Log:
    * parse.y (parser_tokadd_string): insert a backslash only if
      quoted by single quotes.  [ruby-dev:45281] [Bug #6069]

  Modified files:
    trunk/ChangeLog
    trunk/parse.y
    trunk/test/ruby/test_literal.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 34795)
+++ ChangeLog	(revision 34796)
@@ -1,3 +1,8 @@
+Sat Feb 25 07:53:58 2012  Nobuyoshi Nakada  <nobu@r...>
+
+	* parse.y (parser_tokadd_string): insert a backslash only if
+	  quoted by single quotes.  [ruby-dev:45281] [Bug #6069]
+
 Sat Feb 25 07:53:49 2012  Nobuyoshi Nakada  <nobu@r...>
 
 	* dir.c (dir_inspect), io.c (rb_io_inspect): keep encoding of path.
Index: parse.y
===================================================================
--- parse.y	(revision 34795)
+++ parse.y	(revision 34796)
@@ -6507,7 +6507,7 @@
 	      default:
 		if (c == -1) return -1;
 		if (!ISASCII(c)) {
-		    tokadd('\\');
+		    if ((func & STR_FUNC_EXPAND) == 0) tokadd('\\');
 		    goto non_ascii;
 		}
 		if (func & STR_FUNC_REGEXP) {
@@ -7597,7 +7597,6 @@
             }
             else if (!lex_eol_p() && !(c = *lex_p, ISASCII(c))) {
                 nextc();
-		tokadd('\\');
                 if (tokadd_mbchar(c) == -1) return 0;
             }
             else {
Index: test/ruby/test_literal.rb
===================================================================
--- test/ruby/test_literal.rb	(revision 34795)
+++ test/ruby/test_literal.rb	(revision 34796)
@@ -79,9 +79,15 @@
     assert_equal "\x13", "\c\x33"
     assert_equal "\x13", "\C-\x33"
     assert_equal "\xB3", "\M-\x33"
-    assert_equal "\\\u201c", eval(%["\\\u{201c}"]), bug6069
-    assert_equal "\\\u201c".encode("euc-jp"), eval(%["\\\u{201c}"].encode("euc-jp")), bug6069
-    assert_equal "\\\u201c".encode("iso-8859-13"), eval(%["\\\u{201c}"].encode("iso-8859-13")), bug6069
+    assert_equal "\u201c", eval(%["\\\u{201c}"]), bug5262
+    assert_equal "\u201c".encode("euc-jp"), eval(%["\\\u{201c}"].encode("euc-jp")), bug5262
+    assert_equal "\u201c".encode("iso-8859-13"), eval(%["\\\u{201c}"].encode("iso-8859-13")), bug5262
+    assert_equal "\\\u201c", eval(%['\\\u{201c}']), bug6069
+    assert_equal "\\\u201c".encode("euc-jp"), eval(%['\\\u{201c}'].encode("euc-jp")), bug6069
+    assert_equal "\\\u201c".encode("iso-8859-13"), eval(%['\\\u{201c}'].encode("iso-8859-13")), bug6069
+    assert_equal "\u201c", eval(%[?\\\u{201c}]), bug6069
+    assert_equal "\u201c".encode("euc-jp"), eval(%[?\\\u{201c}].encode("euc-jp")), bug6069
+    assert_equal "\u201c".encode("iso-8859-13"), eval(%[?\\\u{201c}].encode("iso-8859-13")), bug6069
   end
 
   def test_dstring

--
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