Revision: 11249
Author:   erikcorry
Date:     Tue Apr 10 03:42:25 2012
Log:      Ensure that a call to String.prototype.match with a
global regexp after a call to String.prototype.replace
with a function argument sets the last match info
correctly.  Bug=2058
Review URL: http://codereview.chromium.org/10029009
http://code.google.com/p/v8/source/detail?r=11249

Added:
 /branches/bleeding_edge/test/mjsunit/regress/regress-2058.js
Modified:
 /branches/bleeding_edge/src/string.js

=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/mjsunit/regress/regress-2058.js Tue Apr 10 03:42:25 2012
@@ -0,0 +1,37 @@
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+// See http://code.google.com/p/v8/issues/detail?id=2058
+
+// A match after a replace with a function argument needs to reset
+// the flag that determines whether we are using indices or substrings
+// to indicate the last match.
+"Now is the".replace(/Now (\w+) the/g, function() {
+  "foo bar".match(/( )/);
+  assertEquals(RegExp.$1, " ");
+})
=======================================
--- /branches/bleeding_edge/src/string.js       Tue Mar 13 08:44:19 2012
+++ /branches/bleeding_edge/src/string.js       Tue Apr 10 03:42:25 2012
@@ -189,7 +189,9 @@
     if (!regexp.global) return RegExpExecNoTests(regexp, subject, 0);
     %_Log('regexp', 'regexp-match,%0S,%1r', [subject, regexp]);
     // lastMatchInfo is defined in regexp.js.
-    return %StringMatch(subject, regexp, lastMatchInfo);
+    var result = %StringMatch(subject, regexp, lastMatchInfo);
+    if (result !== null) lastMatchInfoOverride = null;
+    return result;
   }
   // Non-regexp argument.
   regexp = new $RegExp(regexp);

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