Symbol.h (931B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- 2 * vim: set ts=8 sts=2 et sw=2 tw=80: 3 * This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 /* Shadow definition of |JS::Symbol| innards. Do not use this directly! */ 8 9 #ifndef js_shadow_Symbol_h 10 #define js_shadow_Symbol_h 11 12 #include <stdint.h> // uint32_t 13 14 namespace js { 15 namespace gc { 16 struct Cell; 17 } // namespace gc 18 } // namespace js 19 20 namespace JS { 21 22 namespace shadow { 23 24 struct Symbol { 25 void* _1; 26 uint32_t code_; 27 static constexpr uint32_t WellKnownAPILimit = 0x80000000; 28 29 static bool isWellKnownSymbol(const js::gc::Cell* cell) { 30 return reinterpret_cast<const Symbol*>(cell)->code_ < WellKnownAPILimit; 31 } 32 }; 33 34 } // namespace shadow 35 36 } // namespace JS 37 38 #endif // js_shadow_Symbol_h