Upgrade V8 to 3.4.10

23 files changed, 1213 insertions, 0 deletions

diff --git a/deps/v8/test/preparser/empty.js b/deps/v8/test/preparser/empty.js
new file mode 100644
index 0000000000..70b88e2a43
--- /dev/null
+++ b/deps/v8/test/preparser/empty.js
@@ -0,0 +1,28 @@
+// Copyright 2011 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.
+
+// This file contains no JavaScript code.
diff --git a/deps/v8/test/preparser/functions-only.js b/deps/v8/test/preparser/functions-only.js
new file mode 100644
index 0000000000..4dcde57979
--- /dev/null
+++ b/deps/v8/test/preparser/functions-only.js
@@ -0,0 +1,38 @@
+// Copyright 2011 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.
+
+// This file contains no identifiers or string literals, but does contain
+// symbols.
+
+(function () {
+  if (this != null) {
+    return this;
+  }
+  while (true) {
+    if ([][2]) return false;
+  }
+})({}, function() { return [true]; } );
diff --git a/deps/v8/test/preparser/non-alphanum.js b/deps/v8/test/preparser/non-alphanum.js
new file mode 100644
index 0000000000..83bd1f8b17
--- /dev/null
+++ b/deps/v8/test/preparser/non-alphanum.js
@@ -0,0 +1,34 @@
+// Copyright 2011 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.
+
+// This file contains no symbols or function declarations, and only
+// non-alphanumeric characters, but does contain valid code.
+
+// Created using http://discogscounter.getfreehosting.co.uk/js-noalnum_com.php
+// Probably only works in Firefox, but should parse fine.
+
+([][(![]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[!+[]+!+[]]]()[(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]])([][(![]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[!+[]+!+[]]]()[([][(![]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[!+[]+!+[]]]()+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+(![]+[])[+!+[]]]((![]+[])[+!+[]])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+[]]+(+[![]]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+!+[]]]+[][(![]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[!+[]+!+[]]]()[(![]+[])[+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+([][(![]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[!+[]+!+[]]]()+[])[!+[]+!+[]]]((![]+[])[+!+[]]+(+[![]]+[])[+[]])[+[]]+(![]+[])[+!+[]]+(+[]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[!+[]+!+[]+!+[]+[+[]]]+(!![]+[])[!+[]+!+[]+!+[]]+(+[![]]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+!+[]]]+([][(![]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(![]+[])[!+[]+!+[]]]()+[])[!+[]+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+([][[]]+[])[+!+[]]+(+[![]]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+!+[]]]+([]+([]+[])[([][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]])[+!+[]+[!+[]+!+[]+!+[]+!+[]]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[!+[]+!+[]+!+[]]+[][(![]+[])[!+[]+!+[]+!+[]]+(!![]+[][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]][([][(![]+[])[+[]]+(![]+[]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[]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diff --git a/deps/v8/test/preparser/non-use-strict-hex-escape.js b/deps/v8/test/preparser/non-use-strict-hex-escape.js
new file mode 100644
index 0000000000..bf28923160
--- /dev/null
+++ b/deps/v8/test/preparser/non-use-strict-hex-escape.js
@@ -0,0 +1,35 @@
+// Copyright 2011 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.
+
+// A string looking like "use strict", but with a hex escape in it,
+// doesn't trigger strict mode.
+
+function foo() {
+  "use\x20strict";
+  var x = "hello\040world";
+  return x;
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/non-use-strict-octal-escape.js b/deps/v8/test/preparser/non-use-strict-octal-escape.js
new file mode 100644
index 0000000000..9e00742c21
--- /dev/null
+++ b/deps/v8/test/preparser/non-use-strict-octal-escape.js
@@ -0,0 +1,35 @@
+// Copyright 2011 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.
+
+// A string looking like "use strict", but with an octal escape in it,
+// doesn't trigger strict mode.
+
+function foo() {
+  "use\040strict";
+  var x = "hello\040world";
+  return x;
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/non-use-strict-uhex-escape.js b/deps/v8/test/preparser/non-use-strict-uhex-escape.js
new file mode 100644
index 0000000000..5fba673163
--- /dev/null
+++ b/deps/v8/test/preparser/non-use-strict-uhex-escape.js
@@ -0,0 +1,35 @@
+// Copyright 2011 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.
+
+// A string looking like "use strict", but with a long hex escape in it,
+// doesn't trigger strict mode.
+
+function foo() {
+  "use\u0020strict";
+  var x = "hello\040world";
+  return x;
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/nonstrict-arguments.js b/deps/v8/test/preparser/nonstrict-arguments.js
new file mode 100644
index 0000000000..890f62e739
--- /dev/null
+++ b/deps/v8/test/preparser/nonstrict-arguments.js
@@ -0,0 +1,51 @@
+// Copyright 2011 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.
+
+// Eval restrictions should not trigger outside of strict-mode code.
+
+var arguments = 42;
+arguments = arguments++;
+arguments += --arguments;
+arguments -= ++arguments;
+arguments *= arguments--;
+function arguments(arguments) {};
+try {} catch (arguments) {}
+
+function strict() {
+  "use strict";
+  // Reading eval and arguments is allowed.
+  eval(arguments);
+}
+
+var arguments = 42;
+arguments = arguments++;
+arguments += --arguments;
+arguments -= ++arguments;
+arguments *= arguments--;
+function arguments(arguments) {};
+try {} catch (arguments) {}
+
diff --git a/deps/v8/test/preparser/nonstrict-eval.js b/deps/v8/test/preparser/nonstrict-eval.js
new file mode 100644
index 0000000000..ad994ab438
--- /dev/null
+++ b/deps/v8/test/preparser/nonstrict-eval.js
@@ -0,0 +1,51 @@
+// Copyright 2011 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.
+
+// Eval restrictions should not trigger outside of strict-mode code.
+
+var eval = 42;
+eval = eval++;
+eval += --eval;
+eval -= ++eval;
+eval *= eval--;
+function eval(eval) {};
+try {} catch (eval) {}
+
+function strict() {
+  "use strict";
+  // Reading eval and arguments is allowed.
+  eval(arguments);
+}
+
+var eval = 42;
+eval = eval++;
+eval += --eval;
+eval -= ++eval;
+eval *= eval--;
+function eval(eval) {};
+try {} catch (eval) {}
+
diff --git a/deps/v8/test/preparser/nonstrict-with.js b/deps/v8/test/preparser/nonstrict-with.js
new file mode 100644
index 0000000000..12d05a0536
--- /dev/null
+++ b/deps/v8/test/preparser/nonstrict-with.js
@@ -0,0 +1,43 @@
+// Copyright 2011 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.
+
+// The with statement is allowed in non-strict code, and even around
+// strict code.
+
+with ({}) {}
+
+with ({x : 42}) {
+  var foo = function () {
+    "use strict";
+    return x;
+  };
+}
+
+with ({}) {}
+
+
+
diff --git a/deps/v8/test/preparser/preparser.expectation b/deps/v8/test/preparser/preparser.expectation
new file mode 100644
index 0000000000..638f90e0b8
--- /dev/null
+++ b/deps/v8/test/preparser/preparser.expectation
@@ -0,0 +1,14 @@
+# Expectations for .js preparser tests.
+# Only mentions tests that throw SyntaxError, and optionally specifies
+# the message and location expected in the exception.
+# Format:
+#   testname[:message[:beg_pos,end_pos]]
+strict-octal-number:strict_octal_literal
+strict-octal-string:strict_octal_literal
+strict-octal-regexp:strict_octal_literal
+strict-octal-use-strict-after:strict_octal_literal
+strict-octal-use-strict-before:strict_octal_literal
+
+strict-const:strict_const
+
+strict-with:strict_mode_with
diff --git a/deps/v8/test/preparser/preparser.status b/deps/v8/test/preparser/preparser.status
new file mode 100644
index 0000000000..db177782ef
--- /dev/null
+++ b/deps/v8/test/preparser/preparser.status
@@ -0,0 +1,39 @@
+# Copyright 2011 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.
+
+prefix preparser
+
+# We don't parse RegExps at scanning time, so we can't fail on octal
+# escapes (we need to parse to distinguish octal escapes from valid
+# back-references).
+strict-octal-regexp: FAIL
+
+##############################################################################
+[ $arch == mips ]
+
+# Skip all tests on MIPS.
+*: SKIP
diff --git a/deps/v8/test/preparser/strict-const.js b/deps/v8/test/preparser/strict-const.js
new file mode 100644
index 0000000000..91e9e39e7c
--- /dev/null
+++ b/deps/v8/test/preparser/strict-const.js
@@ -0,0 +1,29 @@
+// Copyright 2011 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.
+
+"use strict";
+const x = 42;
\ No newline at end of file
diff --git a/deps/v8/test/preparser/strict-function-statement.pyt b/deps/v8/test/preparser/strict-function-statement.pyt
new file mode 100644
index 0000000000..08c4288cb8
--- /dev/null
+++ b/deps/v8/test/preparser/strict-function-statement.pyt
@@ -0,0 +1,99 @@
+# Copyright 2011 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.
+
+# In strict mode, function declarations may only appear as source elements.
+
+# A template that performs the same strict-mode test in different
+# scopes (global scope, function scope, and nested function scope).
+def StrictTest(name, source):
+  Test(name, '"use strict";\n' + source, "strict_function")
+  Test(name + '-infunc',
+       'function foo() {\n "use strict";\n' + source +'\n}\n',
+       "strict_function")
+  Test(name + '-infunc2',
+       'function foo() {\n "use strict";\n  function bar() {\n' +
+       source +'\n }\n}\n',
+       "strict_function")
+
+# Not testing with-scope, since with is not allowed in strict mode at all.
+
+StrictTest("block", """
+  { function foo() { } }
+""")
+
+StrictTest("try-w-catch", """
+  try { function foo() { } } catch (e) { }
+""")
+
+StrictTest("try-w-finally", """
+  try { function foo() { } } finally { }
+""")
+
+StrictTest("catch", """
+  try { } catch (e) { function foo() { } }
+""")
+
+StrictTest("finally", """
+  try { } finally { function foo() { } }
+""")
+
+StrictTest("for", """
+  for (;;) { function foo() { } }
+""")
+
+StrictTest("while", """
+  while (true) { function foo() { } }
+""")
+
+StrictTest("do", """
+  do { function foo() { } } while (true);
+""")
+
+StrictTest("then", """
+  if (true) { function foo() { } }
+""")
+
+
+StrictTest("then-w-else", """
+  if (true) { function foo() { } } else { }
+""")
+
+
+StrictTest("else", """
+  if (true) { } else { function foo() { } }
+""")
+
+StrictTest("switch-case", """
+  switch (true) { case true: function foo() { } }
+""")
+
+StrictTest("labeled", """
+  label: function foo() { }
+""")
+
+
+
diff --git a/deps/v8/test/preparser/strict-identifiers.pyt b/deps/v8/test/preparser/strict-identifiers.pyt
new file mode 100644
index 0000000000..72808e25bf
--- /dev/null
+++ b/deps/v8/test/preparser/strict-identifiers.pyt
@@ -0,0 +1,233 @@
+# Copyright 2011 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.
+
+# Templatated tests with eval/arguments/future reserved words.
+
+# ----------------------------------------------------------------------
+# Constants and utility functions
+
+reserved_words = [
+  'class',
+  'const', # Has other error message than other reserved words.
+  'enum',
+  'export',
+  'extends',
+  'import',
+  'super'
+  ]
+
+strict_reserved_words = [
+  'implements',
+  'interface',
+  'let',
+  'package',
+  'private',
+  'protected',
+  'public',
+  'static',
+  'yield'
+  ]
+
+assign_ops = {
+  "=": "assign",
+  "+=": "addeq",
+  "-=": "subeq",
+  "*=": "muleq",
+  "/=": "diveq",
+  "%=": "modeq",
+  "&=": "andeq",
+  "|=": "oreq",
+  "^=": "xoreq",
+  "<<=": "shleq",
+  ">>=": "asreq",
+  ">>>=": "lsreq"
+  }
+
+
+# A template that performs the same strict-mode test in different
+# scopes (global scope, function scope, and nested function scope).
+def StrictTemplate(name, source):
+  def MakeTests(replacement, expectation):
+    Template(name, '"use strict";\n' + source)(replacement, expectation)
+    Template(name + '-infunc',
+             'function foo() {\n "use strict";\n' + source +'\n}\n')(
+              replacement, expectation)
+    Template(name + '-infunc2',
+             'function foo() {\n "use strict";\n  function bar() {\n' +
+             source +'\n }\n}\n')(replacement, expectation)
+  return MakeTests
+
+# ----------------------------------------------------------------------
+# Test templates
+
+arg_name_own = Template("argument-name-own-$id", """
+  function foo($id) {
+    "use strict";
+  }
+""")
+
+arg_name_nested = Template("argument-name-nested-$id", """
+  function foo() {
+    "use strict";
+    function bar($id) { }
+  }
+""")
+
+func_name_own = Template("function-name-own-$id", """
+  function $id(foo) {
+    "use strict";
+  }
+""")
+
+func_name_nested = Template("function-name-nested-$id", """
+  function foo() {
+    "use strict";
+    function $id(bar) { }
+  }
+""")
+
+catch_var = StrictTemplate("catch-$id", """
+    try { } catch ($id) { }
+""")
+
+declare_var = StrictTemplate("var-$id", """
+  var $id = 42;
+""")
+
+assign_var = StrictTemplate("assign-$id-$opname", """
+  var x = $id $op 42;
+""")
+
+prefix_var = StrictTemplate("prefix-$opname-$id", """
+  var x = $op$id;
+""")
+
+postfix_var = StrictTemplate("postfix-$opname-$id", """
+  var x = $id$op;
+""")
+
+read_var = StrictTemplate("read-reserved-$id", """
+  var x = $id;
+""")
+
+setter_arg = StrictTemplate("setter-param-$id", """
+  var x = {set foo($id) { }};
+""")
+
+non_strict_use = Template("nonstrict-$id", """
+  var $id = 42;
+  $id++;
+  $id--;
+  ++$id;
+  --$id;
+  $id += 10;
+  $id -= 10;
+  try {} catch ($id) { }
+  function $id($id) { }
+  var x = {$id: 42};
+  x = {get $id() {}, set $id(value) {}};
+  function foo() { "use strict;" }
+  var $id = 42;
+  $id++;
+  $id--;
+  ++$id;
+  --$id;
+  $id += 10;
+  $id -= 10;
+  try {} catch ($id) { }
+  function $id($id) { }
+  x = {$id: 42};
+  x = {get $id() {}, set $id(value) {}};
+""")
+
+identifier_name_source = """
+  var x = {$id: 42};
+  x = {get $id() {}, set $id(value) {}};
+  x.$id = 42;
+  function foo() { "use strict;" }
+  x = {$id: 42};
+  x = {get $id() {}, set $id(value) {}};
+  x.$id = 42;
+"""
+
+identifier_name = Template("identifier_name-$id", identifier_name_source)
+identifier_name_strict = StrictTemplate("identifier_name_strict-$id",
+                                        identifier_name_source)
+
+# ----------------------------------------------------------------------
+# Run tests
+
+# eval and arguments have specific exceptions for different uses.
+for id in ["eval", "arguments"]:
+  arg_name_own({"id": id}, "strict_param_name")
+  arg_name_nested({"id": id}, "strict_param_name")
+  func_name_own({"id": id}, "strict_function_name")
+  func_name_nested({"id": id}, "strict_function_name")
+  setter_arg({"id": id}, "strict_param_name")
+  for op in assign_ops.keys():
+    assign_var({"id": id, "op":op, "opname": assign_ops[op]},
+               "strict_lhs_assignment")
+  catch_var({"id": id}, "strict_catch_variable")
+  declare_var({"id": id}, "strict_var_name")
+  prefix_var({"id": id, "op":"++", "opname":"inc"}, "strict_lhs_prefix")
+  prefix_var({"id": id, "op":"--", "opname":"dec"}, "strict_lhs_prefix")
+  postfix_var({"id": id, "op":"++", "opname":"inc"}, "strict_lhs_postfix")
+  postfix_var({"id": id, "op":"--", "opname":"dec"}, "strict_lhs_postfix")
+  non_strict_use({"id": id}, None)
+
+
+# Reserved words just throw the same exception in all cases
+# (with "const" being special, as usual).
+for reserved_word in reserved_words + strict_reserved_words:
+  if (reserved_word in strict_reserved_words):
+    message = "strict_reserved_word"
+  elif (reserved_word == "const"):
+    message = "unexpected_token"
+  else:
+    message = "reserved_word"
+  arg_name_own({"id":reserved_word}, message)
+  arg_name_nested({"id":reserved_word}, message)
+  setter_arg({"id": reserved_word}, message)
+  func_name_own({"id":reserved_word}, message)
+  func_name_nested({"id":reserved_word}, message)
+  for op in assign_ops.keys():
+    assign_var({"id":reserved_word, "op":op, "opname": assign_ops[op]}, message)
+  catch_var({"id":reserved_word}, message)
+  declare_var({"id":reserved_word}, message)
+  prefix_var({"id":reserved_word, "op":"++", "opname":"inc"}, message)
+  prefix_var({"id":reserved_word, "op":"--", "opname":"dec"}, message)
+  postfix_var({"id":reserved_word, "op":"++", "opname":"inc"}, message)
+  postfix_var({"id":reserved_word, "op":"--", "opname":"dec"}, message)
+  read_var({"id": reserved_word}, message)
+  identifier_name({"id": reserved_word}, None);
+  identifier_name_strict({"id": reserved_word}, None);
+
+
+# Future reserved words in strict mode behave like normal identifiers
+# in a non strict context.
+for reserved_word in strict_reserved_words:
+  non_strict_use({"id": id}, None)
diff --git a/deps/v8/test/preparser/strict-octal-indirect-regexp.js b/deps/v8/test/preparser/strict-octal-indirect-regexp.js
new file mode 100644
index 0000000000..122bd3de06
--- /dev/null
+++ b/deps/v8/test/preparser/strict-octal-indirect-regexp.js
@@ -0,0 +1,34 @@
+// Copyright 2011 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.
+
+// Strict mode with call to RegExp containing octal escape:
+
+function foo() {
+  "use strict";
+  var re = RegExp("Hello\\040World");
+  return re;
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/strict-octal-number.js b/deps/v8/test/preparser/strict-octal-number.js
new file mode 100644
index 0000000000..d387d6a32e
--- /dev/null
+++ b/deps/v8/test/preparser/strict-octal-number.js
@@ -0,0 +1,34 @@
+// Copyright 2011 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.
+
+// Strict mode with octal number literal.
+
+function foo() {
+  "use strict";
+  var x = 012;
+  return x;
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/strict-octal-regexp.js b/deps/v8/test/preparser/strict-octal-regexp.js
new file mode 100644
index 0000000000..fded9bf86c
--- /dev/null
+++ b/deps/v8/test/preparser/strict-octal-regexp.js
@@ -0,0 +1,34 @@
+// Copyright 2011 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.
+
+// Strict mode with octal escape in RegExp literal.
+
+function foo() {
+  "use strict";
+  var re = /hello\040world/;
+  return re;
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/strict-octal-string.js b/deps/v8/test/preparser/strict-octal-string.js
new file mode 100644
index 0000000000..40408e6fe6
--- /dev/null
+++ b/deps/v8/test/preparser/strict-octal-string.js
@@ -0,0 +1,34 @@
+// Copyright 2011 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.
+
+// Strict mode with octal escape in string literal.
+
+function foo() {
+  "use strict";
+  var x = "hello\040world";
+  return x;
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/strict-octal-use-strict-after.js b/deps/v8/test/preparser/strict-octal-use-strict-after.js
new file mode 100644
index 0000000000..1af078a8f6
--- /dev/null
+++ b/deps/v8/test/preparser/strict-octal-use-strict-after.js
@@ -0,0 +1,35 @@
+// Copyright 2011 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.
+
+// Strict mode with octal escape in string/directive prologue looking like
+// "use strict", after "use strict" directive.
+
+function foo() {
+  "use strict";
+  "use\040strict";
+  return true;
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/strict-octal-use-strict-before.js b/deps/v8/test/preparser/strict-octal-use-strict-before.js
new file mode 100644
index 0000000000..1dbb57128d
--- /dev/null
+++ b/deps/v8/test/preparser/strict-octal-use-strict-before.js
@@ -0,0 +1,35 @@
+// Copyright 2011 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.
+
+// Strict mode with octal escape in string/directive prologue looking like
+// "use strict, before "use strict" directive.
+
+function foo() {
+  "use\040strict";
+  "use strict";
+  return true;
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/strict-with.js b/deps/v8/test/preparser/strict-with.js
new file mode 100644
index 0000000000..a19355eec1
--- /dev/null
+++ b/deps/v8/test/preparser/strict-with.js
@@ -0,0 +1,33 @@
+// Copyright 2011 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.
+
+// The with statement is not allowed in strict code.
+
+function foo() {
+  "use strict";
+  with ({}) {}
+}
\ No newline at end of file
diff --git a/deps/v8/test/preparser/symbols-only.js b/deps/v8/test/preparser/symbols-only.js
new file mode 100644
index 0000000000..b6520636bc
--- /dev/null
+++ b/deps/v8/test/preparser/symbols-only.js
@@ -0,0 +1,49 @@
+// Copyright 2011 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.
+
+// This file contains no function declarations.
+
+var x = 42;
+var y = "hello world";
+if (x == y) {
+  with ({ x: 10, y: "20", z: 42 }) {
+    print(z);
+  }
+}
+try {
+  x = 2;
+  throw y;
+  y = 4;
+} catch (e) {
+  y = e;
+} finally {
+  x = y;
+}
+for (var i = 0; i < 10; i++) {
+  x += x;
+}
+print(y);
diff --git a/deps/v8/test/preparser/testcfg.py b/deps/v8/test/preparser/testcfg.py
new file mode 100644
index 0000000000..39b62c396d
--- /dev/null
+++ b/deps/v8/test/preparser/testcfg.py
@@ -0,0 +1,161 @@
+# Copyright 2011 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.
+
+import test
+import os
+from os.path import join, dirname, exists
+import platform
+import utils
+import re
+
+class PreparserTestCase(test.TestCase):
+
+  def __init__(self, root, path, executable, mode, throws, context, source):
+    super(PreparserTestCase, self).__init__(context, path, mode)
+    self.executable = executable
+    self.root = root
+    self.throws = throws
+    self.source = source
+
+  def GetLabel(self):
+    return "%s %s %s" % (self.mode, self.path[-2], self.path[-1])
+
+  def GetName(self):
+    return self.path[-1]
+
+  def HasSource(self):
+    return self.source is not None
+
+  def GetSource():
+    return self.source
+
+  def BuildCommand(self, path):
+    if (self.source is not None):
+      result = [self.executable, "-e", self.source]
+    else:
+      testfile = join(self.root, self.GetName()) + ".js"
+      result = [self.executable, testfile]
+    if (self.throws):
+      result += ['throws'] + self.throws
+    return result
+
+  def GetCommand(self):
+    return self.BuildCommand(self.path)
+
+  def Run(self):
+    return test.TestCase.Run(self)
+
+
+class PreparserTestConfiguration(test.TestConfiguration):
+
+  def __init__(self, context, root):
+    super(PreparserTestConfiguration, self).__init__(context, root)
+
+  def GetBuildRequirements(self):
+    return ['preparser']
+
+  def GetExpectations(self):
+    expects_file = join(self.root, 'preparser.expectation')
+    map = {}
+    if exists(expects_file):
+      rule_regex = re.compile("^([\w\-]+)(?::([\w\-]+))?(?::(\d+),(\d+))?$")
+      for line in utils.ReadLinesFrom(expects_file):
+        if (line[0] == '#'): continue
+        rule_match = rule_regex.match(line)
+        if rule_match:
+          expects = []
+          if (rule_match.group(2)):
+            expects = expects + [rule_match.group(2)]
+            if (rule_match.group(3)):
+              expects = expects + [rule_match.group(3), rule_match.group(4)]
+          map[rule_match.group(1)] = expects
+    return map;
+
+  def ParsePythonTestTemplates(self, result, filename,
+                               executable, current_path, mode):
+    pathname = join(self.root, filename + ".pyt")
+    source = open(pathname).read();
+    def Test(name, source, expectation):
+      throws = None
+      if (expectation is not None):
+        throws = [expectation]
+      test = PreparserTestCase(self.root,
+                               current_path + [filename, name],
+                               executable,
+                               mode, throws, self.context,
+                               source.replace("\n", " "))
+      result.append(test)
+    def Template(name, source):
+      def MkTest(replacement, expectation):
+        testname = name
+        testsource = source
+        for key in replacement.keys():
+          testname = testname.replace("$"+key, replacement[key]);
+          testsource = testsource.replace("$"+key, replacement[key]);
+        Test(testname, testsource, expectation)
+      return MkTest
+    eval(compile(source, pathname, "exec"),
+         {"Test": Test, "Template": Template}, {})
+
+  def ListTests(self, current_path, path, mode, variant_flags):
+    executable = join('obj', 'preparser', mode, 'preparser')
+    if utils.IsWindows():
+      executable += '.exe'
+    executable = join(self.context.buildspace, executable)
+    expectations = self.GetExpectations()
+    result = []
+    # Find all .js files in tests/preparser directory.
+    filenames = [f[:-3] for f in os.listdir(self.root) if f.endswith(".js")]
+    filenames.sort()
+    for file in filenames:
+      throws = None;
+      if (file in expectations):
+        throws = expectations[file]
+      result.append(PreparserTestCase(self.root,
+                                      current_path + [file], executable,
+                                      mode, throws, self.context, None))
+    # Find all .pyt files in test/preparser directory.
+    filenames = [f[:-4] for f in os.listdir(self.root) if f.endswith(".pyt")]
+    filenames.sort()
+    for file in filenames:
+      # Each file as a python source file to be executed in a specially
+      # perparsed environment (defining the Template and Test functions)
+      self.ParsePythonTestTemplates(result, file,
+                                    executable, current_path, mode)
+    return result
+
+  def GetTestStatus(self, sections, defs):
+    status_file = join(self.root, 'preparser.status')
+    if exists(status_file):
+      test.ReadConfigurationInto(status_file, sections, defs)
+
+  def VariantFlags(self):
+    return [[]];
+
+
+def GetConfiguration(context, root):
+  return PreparserTestConfiguration(context, root)