gecko-dev/js/public/shadow/Symbol.h

39 строки
931 B
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* 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/. */
/* Shadow definition of |JS::Symbol| innards. Do not use this directly! */
#ifndef js_shadow_Symbol_h
#define js_shadow_Symbol_h
#include <stdint.h> // uint32_t
namespace js {
namespace gc {
struct Cell;
} // namespace gc
} // namespace js
namespace JS {
namespace shadow {
struct Symbol {
void* _1;
uint32_t code_;
static constexpr uint32_t WellKnownAPILimit = 0x80000000;
static bool isWellKnownSymbol(const js::gc::Cell* cell) {
return reinterpret_cast<const Symbol*>(cell)->code_ < WellKnownAPILimit;
}
};
} // namespace shadow
} // namespace JS
#endif // js_shadow_Symbol_h