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236 lines
13 KiB
C
236 lines
13 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* JS configuration macros.
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*/
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#ifndef JS_VERSION
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#define JS_VERSION 185
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#endif
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/*
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* Compile-time JS version configuration. The JS version numbers lie on the
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* number line like so:
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*
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* 1.0 1.1 1.2 1.3 1.4 ECMAv3 1.5 1.6 1.7 1.8 ECMAv5
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* ^ ^
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* | |
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* basis for ECMAv1 close to ECMAv2
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*
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* where ECMAv3 stands for ECMA-262 Edition 3, and ECMAv5 stands for Edition 5.
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* See the runtime version enum JSVersion in jspubtd.h. Code in the engine can
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* therefore count on version <= JSVERSION_1_4 to mean "before the Third
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* Edition of ECMA-262" and version > JSVERSION_1_4 to mean "at or after the
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* Third Edition".
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*
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* In the (likely?) event that SpiderMonkey grows to implement JavaScript 2.0,
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* the version number to use would be near 200, or greater.
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*
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* The JS_VERSION_ECMA_3 version is the minimal configuration conforming to
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* the ECMA-262 Edition 3 specification. Use it for minimal embeddings, where
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* you're sure you don't need any of the extensions disabled in this version.
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* In order to facilitate testing, JS_HAS_OBJ_PROTO_PROP is defined as part of
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* the JS_VERSION_ECMA_3_TEST version.
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*
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* To keep things sane in the modern age, where we need exceptions in order to
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* implement, e.g., iterators and generators, we are dropping support for all
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* versions <= 1.4.
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*/
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#define JS_VERSION_ECMA_3 148
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#define JS_VERSION_ECMA_3_TEST 149
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#if JS_VERSION == JS_VERSION_ECMA_3 || \
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JS_VERSION == JS_VERSION_ECMA_3_TEST
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#define JS_HAS_STR_HTML_HELPERS 0 /* has str.anchor, str.bold, etc. */
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#define JS_HAS_PERL_SUBSTR 0 /* has str.substr */
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#if JS_VERSION == JS_VERSION_ECMA_3_TEST
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#define JS_HAS_OBJ_PROTO_PROP 1 /* has o.__proto__ etc. */
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#else
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#define JS_HAS_OBJ_PROTO_PROP 0 /* has o.__proto__ etc. */
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#endif
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#define JS_HAS_OBJ_WATCHPOINT 0 /* has o.watch and o.unwatch */
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#define JS_HAS_EVAL_THIS_SCOPE 0 /* Math.eval is same as with (Math) */
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#define JS_HAS_SHARP_VARS 0 /* has #n=, #n# for object literals */
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#define JS_HAS_XDR 0 /* has XDR API and internal support */
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#define JS_HAS_TOSOURCE 0 /* has Object/Array toSource method */
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#define JS_HAS_DEBUGGER_KEYWORD 0 /* has hook for debugger keyword */
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#define JS_HAS_CATCH_GUARD 0 /* has exception handling catch guard */
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#define JS_HAS_SPARSE_ARRAYS 0 /* array methods preserve empty elems */
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#define JS_HAS_UNEVAL 0 /* has uneval() top-level function */
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#define JS_HAS_CONST 0 /* has JS2 const as alternative var */
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#define JS_HAS_FUN_EXPR_STMT 0 /* has function expression statement */
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#define JS_HAS_NO_SUCH_METHOD 0 /* has o.__noSuchMethod__ handler */
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#define JS_HAS_XML_SUPPORT 0 /* has ECMAScript for XML support */
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#define JS_HAS_ARRAY_EXTRAS 0 /* has indexOf and Lispy extras */
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#define JS_HAS_GENERATORS 0 /* has yield in generator function */
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#define JS_HAS_BLOCK_SCOPE 0 /* has block scope via let/arraycomp */
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#define JS_HAS_DESTRUCTURING 0 /* has [a,b] = ... or {p:a,q:b} = ... */
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#define JS_HAS_GENERATOR_EXPRS 0 /* has (expr for (lhs in iterable)) */
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#define JS_HAS_EXPR_CLOSURES 0 /* has function (formals) listexpr */
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#elif JS_VERSION < 150
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#error "unsupported JS_VERSION"
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#elif JS_VERSION == 150
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#define JS_HAS_STR_HTML_HELPERS 1 /* has str.anchor, str.bold, etc. */
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#define JS_HAS_PERL_SUBSTR 1 /* has str.substr */
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#define JS_HAS_OBJ_PROTO_PROP 1 /* has o.__proto__ etc. */
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#define JS_HAS_OBJ_WATCHPOINT 1 /* has o.watch and o.unwatch */
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#define JS_HAS_EVAL_THIS_SCOPE 1 /* Math.eval is same as with (Math) */
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#define JS_HAS_SHARP_VARS 1 /* has #n=, #n# for object literals */
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#define JS_HAS_XDR 1 /* has XDR API and internal support */
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#define JS_HAS_TOSOURCE 1 /* has Object/Array toSource method */
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#define JS_HAS_DEBUGGER_KEYWORD 1 /* has hook for debugger keyword */
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#define JS_HAS_CATCH_GUARD 1 /* has exception handling catch guard */
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#define JS_HAS_SPARSE_ARRAYS 0 /* array methods preserve empty elems */
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#define JS_HAS_UNEVAL 1 /* has uneval() top-level function */
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#define JS_HAS_CONST 1 /* has JS2 const as alternative var */
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#define JS_HAS_FUN_EXPR_STMT 1 /* has function expression statement */
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#define JS_HAS_NO_SUCH_METHOD 1 /* has o.__noSuchMethod__ handler */
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#define JS_HAS_XML_SUPPORT 0 /* has ECMAScript for XML support */
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#define JS_HAS_ARRAY_EXTRAS 0 /* has indexOf and Lispy extras */
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#define JS_HAS_GENERATORS 0 /* has yield in generator function */
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#define JS_HAS_BLOCK_SCOPE 0 /* has block scope via let/arraycomp */
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#define JS_HAS_DESTRUCTURING 0 /* has [a,b] = ... or {p:a,q:b} = ... */
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#define JS_HAS_GENERATOR_EXPRS 0 /* has (expr for (lhs in iterable)) */
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#define JS_HAS_EXPR_CLOSURES 0 /* has function (formals) listexpr */
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#elif JS_VERSION == 160
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#define JS_HAS_STR_HTML_HELPERS 1 /* has str.anchor, str.bold, etc. */
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#define JS_HAS_PERL_SUBSTR 1 /* has str.substr */
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#define JS_HAS_OBJ_PROTO_PROP 1 /* has o.__proto__ etc. */
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#define JS_HAS_OBJ_WATCHPOINT 1 /* has o.watch and o.unwatch */
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#define JS_HAS_EVAL_THIS_SCOPE 1 /* Math.eval is same as with (Math) */
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#define JS_HAS_SHARP_VARS 1 /* has #n=, #n# for object literals */
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#define JS_HAS_XDR 1 /* has XDR API and internal support */
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#define JS_HAS_TOSOURCE 1 /* has Object/Array toSource method */
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#define JS_HAS_DEBUGGER_KEYWORD 1 /* has hook for debugger keyword */
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#define JS_HAS_CATCH_GUARD 1 /* has exception handling catch guard */
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#define JS_HAS_SPARSE_ARRAYS 0 /* array methods preserve empty elems */
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#define JS_HAS_UNEVAL 1 /* has uneval() top-level function */
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#define JS_HAS_CONST 1 /* has JS2 const as alternative var */
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#define JS_HAS_FUN_EXPR_STMT 1 /* has function expression statement */
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#define JS_HAS_NO_SUCH_METHOD 1 /* has o.__noSuchMethod__ handler */
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#define JS_HAS_XML_SUPPORT 1 /* has ECMAScript for XML support */
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#define JS_HAS_ARRAY_EXTRAS 1 /* has indexOf and Lispy extras */
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#define JS_HAS_GENERATORS 0 /* has yield in generator function */
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#define JS_HAS_BLOCK_SCOPE 0 /* has block scope via let/arraycomp */
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#define JS_HAS_DESTRUCTURING 0 /* has [a,b] = ... or {p:a,q:b} = ... */
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#define JS_HAS_GENERATOR_EXPRS 0 /* has (expr for (lhs in iterable)) */
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#define JS_HAS_EXPR_CLOSURES 0 /* has function (formals) listexpr */
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#elif JS_VERSION == 170
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#define JS_HAS_STR_HTML_HELPERS 1 /* has str.anchor, str.bold, etc. */
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#define JS_HAS_PERL_SUBSTR 1 /* has str.substr */
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#define JS_HAS_OBJ_PROTO_PROP 1 /* has o.__proto__ etc. */
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#define JS_HAS_OBJ_WATCHPOINT 1 /* has o.watch and o.unwatch */
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#define JS_HAS_EVAL_THIS_SCOPE 1 /* Math.eval is same as with (Math) */
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#define JS_HAS_SHARP_VARS 1 /* has #n=, #n# for object literals */
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#define JS_HAS_XDR 1 /* has XDR API and internal support */
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#define JS_HAS_TOSOURCE 1 /* has Object/Array toSource method */
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#define JS_HAS_DEBUGGER_KEYWORD 1 /* has hook for debugger keyword */
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#define JS_HAS_CATCH_GUARD 1 /* has exception handling catch guard */
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#define JS_HAS_SPARSE_ARRAYS 0 /* array methods preserve empty elems */
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#define JS_HAS_UNEVAL 1 /* has uneval() top-level function */
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#define JS_HAS_CONST 1 /* has JS2 const as alternative var */
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#define JS_HAS_FUN_EXPR_STMT 1 /* has function expression statement */
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#define JS_HAS_NO_SUCH_METHOD 1 /* has o.__noSuchMethod__ handler */
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#define JS_HAS_XML_SUPPORT 1 /* has ECMAScript for XML support */
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#define JS_HAS_ARRAY_EXTRAS 1 /* has indexOf and Lispy extras */
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#define JS_HAS_GENERATORS 1 /* has yield in generator function */
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#define JS_HAS_BLOCK_SCOPE 1 /* has block scope via let/arraycomp */
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#define JS_HAS_DESTRUCTURING 1 /* has [a,b] = ... or {p:a,q:b} = ... */
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#define JS_HAS_GENERATOR_EXPRS 0 /* has (expr for (lhs in iterable)) */
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#define JS_HAS_EXPR_CLOSURES 0 /* has function (formals) listexpr */
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#elif 180 <= JS_VERSION && JS_VERSION <= 185
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#define JS_HAS_STR_HTML_HELPERS 1 /* has str.anchor, str.bold, etc. */
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#define JS_HAS_PERL_SUBSTR 1 /* has str.substr */
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#define JS_HAS_OBJ_PROTO_PROP 1 /* has o.__proto__ etc. */
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#define JS_HAS_OBJ_WATCHPOINT 1 /* has o.watch and o.unwatch */
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#define JS_HAS_EVAL_THIS_SCOPE 1 /* Math.eval is same as with (Math) */
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#define JS_HAS_SHARP_VARS 1 /* has #n=, #n# for object literals */
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#define JS_HAS_XDR 1 /* has XDR API and internal support */
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#define JS_HAS_TOSOURCE 1 /* has Object/Array toSource method */
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#define JS_HAS_DEBUGGER_KEYWORD 1 /* has hook for debugger keyword */
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#define JS_HAS_CATCH_GUARD 1 /* has exception handling catch guard */
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#define JS_HAS_SPARSE_ARRAYS 0 /* array methods preserve empty elems */
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#define JS_HAS_UNEVAL 1 /* has uneval() top-level function */
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#define JS_HAS_CONST 1 /* has JS2 const as alternative var */
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#define JS_HAS_FUN_EXPR_STMT 1 /* has function expression statement */
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#define JS_HAS_NO_SUCH_METHOD 1 /* has o.__noSuchMethod__ handler */
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#define JS_HAS_XML_SUPPORT 1 /* has ECMAScript for XML support */
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#define JS_HAS_ARRAY_EXTRAS 1 /* has indexOf and Lispy extras */
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#define JS_HAS_GENERATORS 1 /* has yield in generator function */
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#define JS_HAS_BLOCK_SCOPE 1 /* has block scope via let/arraycomp */
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#define JS_HAS_DESTRUCTURING 2 /* has [a,b] = ... or {p:a,q:b} = ... */
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#define JS_HAS_GENERATOR_EXPRS 1 /* has (expr for (lhs in iterable)) */
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#define JS_HAS_EXPR_CLOSURES 1 /* has function (formals) listexpr */
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#else
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#error "unknown JS_VERSION"
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#endif
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/* Features that are present in all versions. */
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#define JS_HAS_RESERVED_JAVA_KEYWORDS 1
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#define JS_HAS_RESERVED_ECMA_KEYWORDS 1
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/* Support for JS_NewGlobalObject. */
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#define JS_HAS_NEW_GLOBAL_OBJECT 1
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/* Support for JS_MakeSystemObject. */
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#define JS_HAS_MAKE_SYSTEM_OBJECT 1
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/* Feature-test macro for evolving destructuring support. */
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#define JS_HAS_DESTRUCTURING_SHORTHAND (JS_HAS_DESTRUCTURING == 2)
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/*
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* Feature for Object.prototype.__{define,lookup}{G,S}etter__ legacy support;
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* support likely to be made opt-in at some future time.
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*/
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#define OLD_GETTER_SETTER_METHODS 1
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