Revision: 14678
Author:   [email protected]
Date:     Wed May 15 03:52:06 2013
Log:      Function constructor should avoid String.prototype methods

Replace a use of .indexOf with a call to StringIndexOf.  As always,
lexical scoping to the rescue.

[email protected]
TEST=mjsunit/regress/regress-2686
BUG=v8:2686

Review URL: https://codereview.chromium.org/14668013
http://code.google.com/p/v8/source/detail?r=14678

Added:
 /branches/bleeding_edge/test/mjsunit/regress/regress-2686.js
Modified:
 /branches/bleeding_edge/src/v8natives.js

=======================================
--- /dev/null
+++ /branches/bleeding_edge/test/mjsunit/regress/regress-2686.js Wed May 15 03:52:06 2013
@@ -0,0 +1,32 @@
+// Copyright 2013 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.
+
+// Check Function doesn't use String.prototype.indexOf.
+
+assertThrows(function() { Function('){ function foo(', '}') }, SyntaxError);
+String.prototype.indexOf = function () { return -1; }
+assertThrows(function() { Function('){ function foo(', '}') }, SyntaxError);
=======================================
--- /branches/bleeding_edge/src/v8natives.js    Mon May 13 03:59:00 2013
+++ /branches/bleeding_edge/src/v8natives.js    Wed May 15 03:52:06 2013
@@ -1767,7 +1767,9 @@
     // If the formal parameters string include ) - an illegal
     // character - it may make the combined function expression
     // compile. We avoid this problem by checking for this early on.
- if (p.indexOf(')') != -1) throw MakeSyntaxError('paren_in_arg_string',[]);
+    if (%_CallFunction(p, ')', StringIndexOf) != -1) {
+      throw MakeSyntaxError('paren_in_arg_string',[]);
+    }
     // If the formal parameters include an unbalanced block comment, the
     // function must be rejected. Since JavaScript does not allow nested
     // comments we can include a trailing block comment to catch this.

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