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 /* -*- 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/. */

 #ifndef jsversion_h

 #define jsversion_h

 /*

  * JS Capability Macros.

  */

 #define JS_HAS_STR_HTML_HELPERS 1       /* has str.anchor, str.bold, etc. */

 #define JS_HAS_OBJ_PROTO_PROP   1       /* has o.__proto__ etc. */

 #define JS_HAS_OBJ_WATCHPOINT   1       /* has o.watch and o.unwatch */

 #define JS_HAS_TOSOURCE         1       /* has Object/Array toSource method */

 #define JS_HAS_CATCH_GUARD      1       /* has exception handling catch guard */

 #define JS_HAS_UNEVAL           1       /* has uneval() top-level function */

 #define JS_HAS_CONST            1       /* has JS2 const as alternative var */

 #define JS_HAS_FUN_EXPR_STMT    1       /* has function expression statement */

 #define JS_HAS_NO_SUCH_METHOD   1       /* has o.__noSuchMethod__ handler */

 #define JS_HAS_FOR_EACH_IN      1       /* has for each (lhs in iterable) */

 #define JS_HAS_GENERATORS       1       /* has yield in generator function */

 #define JS_HAS_BLOCK_SCOPE      1       /* has block scope via let/arraycomp */

 #define JS_HAS_DESTRUCTURING    2       /* has [a,b] = ... or {p:a,q:b} = ... */

 #define JS_HAS_GENERATOR_EXPRS  1       /* has (expr for (lhs in iterable)) */

 #define JS_HAS_EXPR_CLOSURES    1       /* has function (formals) listexpr */

 /* Support for JS_NewGlobalObject. */

 #define JS_HAS_NEW_GLOBAL_OBJECT        1

 /* Support for JS_MakeSystemObject. */

 #define JS_HAS_MAKE_SYSTEM_OBJECT       1

 /* Feature-test macro for evolving destructuring support. */

 #define JS_HAS_DESTRUCTURING_SHORTHAND  (JS_HAS_DESTRUCTURING == 2)

 /*

  * Feature for Object.prototype.__{define,lookup}{G,S}etter__ legacy support;

  * support likely to be made opt-in at some future time.

  */

 #define JS_OLD_GETTER_SETTER_METHODS    1

 #endif /* jsversion_h */