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Side by Side Diff: src/js/symbol.js

Issue 2551763003: v8::Private::ForApi should be context-independent. (Closed)
Patch Set: fix Created 4 years ago
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1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 (function(global, utils) {
6
7 "use strict";
8
9 %CheckIsBootstrapping();
10
11 // -------------------------------------------------------------------
12 // Imports
13
14 var GlobalSymbol = global.Symbol;
15 var hasInstanceSymbol = utils.ImportNow("has_instance_symbol");
16 var isConcatSpreadableSymbol =
17 utils.ImportNow("is_concat_spreadable_symbol");
18 var iteratorSymbol = utils.ImportNow("iterator_symbol");
19 var matchSymbol = utils.ImportNow("match_symbol");
20 var replaceSymbol = utils.ImportNow("replace_symbol");
21 var searchSymbol = utils.ImportNow("search_symbol");
22 var speciesSymbol = utils.ImportNow("species_symbol");
23 var splitSymbol = utils.ImportNow("split_symbol");
24 var toPrimitiveSymbol = utils.ImportNow("to_primitive_symbol");
25 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
26 var unscopablesSymbol = utils.ImportNow("unscopables_symbol");
27
28 // -------------------------------------------------------------------
29
30 function SymbolFor(key) {
31 key = TO_STRING(key);
32 var registry = %SymbolRegistry();
33 if (IS_UNDEFINED(registry.for[key])) {
34 var symbol = %CreateSymbol(key);
35 registry.for[key] = symbol;
36 registry.keyFor[symbol] = key;
37 }
38 return registry.for[key];
39 }
40
41
42 function SymbolKeyFor(symbol) {
43 if (!IS_SYMBOL(symbol)) throw %make_type_error(kSymbolKeyFor, symbol);
44 return %SymbolRegistry().keyFor[symbol];
45 }
46
47 // -------------------------------------------------------------------
48
49 utils.InstallConstants(GlobalSymbol, [
50 "hasInstance", hasInstanceSymbol,
51 "isConcatSpreadable", isConcatSpreadableSymbol,
52 "iterator", iteratorSymbol,
53 "match", matchSymbol,
54 "replace", replaceSymbol,
55 "search", searchSymbol,
56 "species", speciesSymbol,
57 "split", splitSymbol,
58 "toPrimitive", toPrimitiveSymbol,
59 "toStringTag", toStringTagSymbol,
60 "unscopables", unscopablesSymbol,
61 ]);
62
63 utils.InstallFunctions(GlobalSymbol, DONT_ENUM, [
64 "for", SymbolFor,
65 "keyFor", SymbolKeyFor
66 ]);
67
68 })
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