| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| * vim: set ts=8 sts=4 et sw=4 tw=99: |
| * 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/. */ |
| |
| #ifndef builtin_SymbolObject_h |
| #define builtin_SymbolObject_h |
| |
| #include "vm/NativeObject.h" |
| #include "vm/Symbol.h" |
| |
| namespace js { |
| |
| class SymbolObject : public NativeObject |
| { |
| /* Stores this Symbol object's [[PrimitiveValue]]. */ |
| static const unsigned PRIMITIVE_VALUE_SLOT = 0; |
| |
| public: |
| static const unsigned RESERVED_SLOTS = 1; |
| |
| static const Class class_; |
| |
| static JSObject* initClass(JSContext* cx, js::HandleObject obj); |
| |
| /* |
| * Creates a new Symbol object boxing the given primitive Symbol. The |
| * object's [[Prototype]] is determined from context. |
| */ |
| static SymbolObject* create(JSContext* cx, JS::HandleSymbol symbol); |
| |
| JS::Symbol* unbox() const { |
| return getFixedSlot(PRIMITIVE_VALUE_SLOT).toSymbol(); |
| } |
| |
| private: |
| inline void setPrimitiveValue(JS::Symbol* symbol) { |
| setFixedSlot(PRIMITIVE_VALUE_SLOT, SymbolValue(symbol)); |
| } |
| |
| static bool construct(JSContext* cx, unsigned argc, Value* vp); |
| |
| // Static methods. |
| static bool for_(JSContext* cx, unsigned argc, Value* vp); |
| static bool keyFor(JSContext* cx, unsigned argc, Value* vp); |
| |
| // Methods defined on Symbol.prototype. |
| static bool toString_impl(JSContext* cx, const CallArgs& args); |
| static bool toString(JSContext* cx, unsigned argc, Value* vp); |
| static bool valueOf_impl(JSContext* cx, const CallArgs& args); |
| static bool valueOf(JSContext* cx, unsigned argc, Value* vp); |
| static bool toPrimitive(JSContext* cx, unsigned argc, Value* vp); |
| |
| static const JSPropertySpec properties[]; |
| static const JSFunctionSpec methods[]; |
| static const JSFunctionSpec staticMethods[]; |
| }; |
| |
| extern JSObject* |
| InitSymbolClass(JSContext* cx, HandleObject obj); |
| |
| } /* namespace js */ |
| |
| #endif /* builtin_SymbolObject_h */ |