From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/builtin/Symbol.h | 71 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 js/src/builtin/Symbol.h (limited to 'js/src/builtin/Symbol.h') diff --git a/js/src/builtin/Symbol.h b/js/src/builtin/Symbol.h new file mode 100644 index 0000000000..7da3a561b0 --- /dev/null +++ b/js/src/builtin/Symbol.h @@ -0,0 +1,71 @@ +/* -*- 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/. */ + +#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 */ -- cgit v1.2.3