diff -r 000000000000 -r 6474c204b198 js/src/vm/Keywords.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/vm/Keywords.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* A higher-order macro for enumerating keyword tokens. */
+
+#ifndef vm_Keywords_h
+#define vm_Keywords_h
+
+#define FOR_EACH_JAVASCRIPT_KEYWORD(macro) \
+    macro(false, false_, TOK_FALSE, JSVERSION_DEFAULT) \
+    macro(true, true_, TOK_TRUE, JSVERSION_DEFAULT) \
+    macro(null, null, TOK_NULL, JSVERSION_DEFAULT) \
+    /* Keywords. */ \
+    macro(break, break_, TOK_BREAK, JSVERSION_DEFAULT) \
+    macro(case, case_, TOK_CASE, JSVERSION_DEFAULT) \
+    macro(catch, catch_, TOK_CATCH, JSVERSION_DEFAULT) \
+    macro(const, const_, TOK_CONST, JSVERSION_DEFAULT) \
+    macro(continue, continue_, TOK_CONTINUE, JSVERSION_DEFAULT) \
+    macro(debugger, debugger, TOK_DEBUGGER, JSVERSION_DEFAULT) \
+    macro(default, default_, TOK_DEFAULT, JSVERSION_DEFAULT) \
+    macro(delete, delete_, TOK_DELETE, JSVERSION_DEFAULT) \
+    macro(do, do_, TOK_DO, JSVERSION_DEFAULT) \
+    macro(else, else_, TOK_ELSE, JSVERSION_DEFAULT) \
+    macro(finally, finally_, TOK_FINALLY, JSVERSION_DEFAULT) \
+    macro(for, for_, TOK_FOR, JSVERSION_DEFAULT) \
+    macro(function, function, TOK_FUNCTION, JSVERSION_DEFAULT) \
+    macro(if, if_, TOK_IF, JSVERSION_DEFAULT) \
+    macro(in, in, TOK_IN, JSVERSION_DEFAULT) \
+    macro(instanceof, instanceof, TOK_INSTANCEOF, JSVERSION_DEFAULT) \
+    macro(new, new_, TOK_NEW, JSVERSION_DEFAULT) \
+    macro(return, return_, TOK_RETURN, JSVERSION_DEFAULT) \
+    macro(switch, switch_, TOK_SWITCH, JSVERSION_DEFAULT) \
+    macro(this, this_, TOK_THIS, JSVERSION_DEFAULT) \
+    macro(throw, throw_, TOK_THROW, JSVERSION_DEFAULT) \
+    macro(try, try_, TOK_TRY, JSVERSION_DEFAULT) \
+    macro(typeof, typeof, TOK_TYPEOF, JSVERSION_DEFAULT) \
+    macro(var, var, TOK_VAR, JSVERSION_DEFAULT) \
+    macro(void, void_, TOK_VOID, JSVERSION_DEFAULT) \
+    macro(while, while_, TOK_WHILE, JSVERSION_DEFAULT) \
+    macro(with, with, TOK_WITH, JSVERSION_DEFAULT) \
+    macro(import, import, TOK_IMPORT, JSVERSION_DEFAULT) \
+    macro(export, export, TOK_EXPORT, JSVERSION_DEFAULT) \
+    /* Reserved keywords. */ \
+    macro(class, class_, TOK_RESERVED, JSVERSION_DEFAULT) \
+    macro(enum, enum_, TOK_RESERVED, JSVERSION_DEFAULT) \
+    macro(extends, extends, TOK_RESERVED, JSVERSION_DEFAULT) \
+    macro(super, super, TOK_RESERVED, JSVERSION_DEFAULT) \
+    /* Future reserved keywords, but only in strict mode. */ \
+    macro(implements, implements, TOK_STRICT_RESERVED, JSVERSION_DEFAULT) \
+    macro(interface, interface, TOK_STRICT_RESERVED, JSVERSION_DEFAULT) \
+    macro(package, package, TOK_STRICT_RESERVED, JSVERSION_DEFAULT) \
+    macro(private, private_, TOK_STRICT_RESERVED, JSVERSION_DEFAULT) \
+    macro(protected, protected_, TOK_STRICT_RESERVED, JSVERSION_DEFAULT) \
+    macro(public, public_, TOK_STRICT_RESERVED, JSVERSION_DEFAULT) \
+    macro(static, static_, TOK_STRICT_RESERVED, JSVERSION_DEFAULT) \
+    /* \
+     * Yield is a token inside function*.  Outside of a function*, it is a \
+     * future reserved keyword in strict mode, but a keyword in JS1.7 even \
+     * when strict.  Punt logic to parser. \
+     */ \
+    macro(yield, yield, TOK_YIELD, JSVERSION_DEFAULT) \
+    /* \
+     * Let is a future reserved keyword in strict mode, and a keyword in \
+     * JS1.7. \
+     */ \
+    macro(let, let, TOK_LET, JSVERSION_1_7)
+
+#endif /* vm_Keywords_h */