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/* -*- 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
#ifndef builtin_Symbol_h
#define builtin_Symbol_h
#include "vm/NativeObject.h"
namespace JS {
class Symbol;
}
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 JSClass class_;
static const JSClass& protoClass_;
/*
* 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));
}
[[nodiscard]] static bool construct(JSContext* cx, unsigned argc, Value* vp);
// Static methods.
[[nodiscard]] static bool for_(JSContext* cx, unsigned argc, Value* vp);
[[nodiscard]] static bool keyFor(JSContext* cx, unsigned argc, Value* vp);
// Methods defined on Symbol.prototype.
[[nodiscard]] static bool toString_impl(JSContext* cx, const CallArgs& args);
[[nodiscard]] static bool toString(JSContext* cx, unsigned argc, Value* vp);
[[nodiscard]] static bool valueOf_impl(JSContext* cx, const CallArgs& args);
[[nodiscard]] static bool valueOf(JSContext* cx, unsigned argc, Value* vp);
[[nodiscard]] static bool toPrimitive(JSContext* cx, unsigned argc,
Value* vp);
// Properties defined on Symbol.prototype.
[[nodiscard]] static bool descriptionGetter_impl(JSContext* cx,
const CallArgs& args);
[[nodiscard]] static bool descriptionGetter(JSContext* cx, unsigned argc,
Value* vp);
static const JSPropertySpec properties[];
static const JSFunctionSpec methods[];
static const JSFunctionSpec staticMethods[];
static const ClassSpec classSpec_;
};
} /* namespace js */
#endif /* builtin_Symbol_h */