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1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
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2 * vim: set ts=8 sts=4 et sw=4 tw=99: |
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3 * This Source Code Form is subject to the terms of the Mozilla Public |
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4 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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6 |
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7 #ifndef jsversion_h |
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8 #define jsversion_h |
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9 |
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10 /* |
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11 * JS Capability Macros. |
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12 */ |
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13 #define JS_HAS_STR_HTML_HELPERS 1 /* has str.anchor, str.bold, etc. */ |
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14 #define JS_HAS_OBJ_PROTO_PROP 1 /* has o.__proto__ etc. */ |
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15 #define JS_HAS_OBJ_WATCHPOINT 1 /* has o.watch and o.unwatch */ |
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16 #define JS_HAS_TOSOURCE 1 /* has Object/Array toSource method */ |
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17 #define JS_HAS_CATCH_GUARD 1 /* has exception handling catch guard */ |
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18 #define JS_HAS_UNEVAL 1 /* has uneval() top-level function */ |
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19 #define JS_HAS_CONST 1 /* has JS2 const as alternative var */ |
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20 #define JS_HAS_FUN_EXPR_STMT 1 /* has function expression statement */ |
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21 #define JS_HAS_NO_SUCH_METHOD 1 /* has o.__noSuchMethod__ handler */ |
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22 #define JS_HAS_FOR_EACH_IN 1 /* has for each (lhs in iterable) */ |
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23 #define JS_HAS_GENERATORS 1 /* has yield in generator function */ |
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24 #define JS_HAS_BLOCK_SCOPE 1 /* has block scope via let/arraycomp */ |
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25 #define JS_HAS_DESTRUCTURING 2 /* has [a,b] = ... or {p:a,q:b} = ... */ |
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26 #define JS_HAS_GENERATOR_EXPRS 1 /* has (expr for (lhs in iterable)) */ |
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27 #define JS_HAS_EXPR_CLOSURES 1 /* has function (formals) listexpr */ |
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28 |
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29 /* Support for JS_NewGlobalObject. */ |
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30 #define JS_HAS_NEW_GLOBAL_OBJECT 1 |
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31 |
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32 /* Support for JS_MakeSystemObject. */ |
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33 #define JS_HAS_MAKE_SYSTEM_OBJECT 1 |
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34 |
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35 /* Feature-test macro for evolving destructuring support. */ |
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36 #define JS_HAS_DESTRUCTURING_SHORTHAND (JS_HAS_DESTRUCTURING == 2) |
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37 |
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38 /* |
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39 * Feature for Object.prototype.__{define,lookup}{G,S}etter__ legacy support; |
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40 * support likely to be made opt-in at some future time. |
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41 */ |
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42 #define JS_OLD_GETTER_SETTER_METHODS 1 |
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43 |
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44 #endif /* jsversion_h */ |