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author | Oswald Buddenhagen <oswald.buddenhagen@qt.io> | 2017-05-30 12:48:17 +0200 |
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committer | Oswald Buddenhagen <oswald.buddenhagen@qt.io> | 2017-05-30 12:48:17 +0200 |
commit | 881da28418d380042aa95a97f0cbd42560a64f7c (patch) | |
tree | a794dff3274695e99c651902dde93d934ea7a5af /Source/JavaScriptCore/runtime/Symbol.cpp | |
parent | 7e104c57a70fdf551bb3d22a5d637cdcbc69dbea (diff) | |
parent | 0fcedcd17cc00d3dd44c718b3cb36c1033319671 (diff) | |
download | qtwebkit-881da28418d380042aa95a97f0cbd42560a64f7c.tar.gz |
Merge 'wip/next' into dev
Change-Id: Iff9ee5e23bb326c4371ec8ed81d56f2f05d680e9
Diffstat (limited to 'Source/JavaScriptCore/runtime/Symbol.cpp')
-rw-r--r-- | Source/JavaScriptCore/runtime/Symbol.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/Symbol.cpp b/Source/JavaScriptCore/runtime/Symbol.cpp new file mode 100644 index 000000000..a765609ea --- /dev/null +++ b/Source/JavaScriptCore/runtime/Symbol.cpp @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2012 Apple Inc. All rights reserved. + * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "config.h" +#include "Symbol.h" + +#include "Error.h" +#include "JSCInlines.h" +#include "SymbolObject.h" + +namespace JSC { + +const ClassInfo Symbol::s_info = { "symbol", nullptr, nullptr, CREATE_METHOD_TABLE(Symbol) }; + +Symbol::Symbol(VM& vm) + : Base(vm, vm.symbolStructure.get()) + , m_privateName() +{ +} + +Symbol::Symbol(VM& vm, const String& string) + : Base(vm, vm.symbolStructure.get()) + , m_privateName(PrivateName::Description, string) +{ +} + +Symbol::Symbol(VM& vm, SymbolImpl& uid) + : Base(vm, vm.symbolStructure.get()) + , m_privateName(uid) +{ +} + +inline SymbolObject* SymbolObject::create(VM& vm, JSGlobalObject* globalObject, Symbol* symbol) +{ + SymbolObject* object = new (NotNull, allocateCell<SymbolObject>(vm.heap)) SymbolObject(vm, globalObject->symbolObjectStructure()); + object->finishCreation(vm, symbol); + return object; +} + +JSValue Symbol::toPrimitive(ExecState*, PreferredPrimitiveType) const +{ + return const_cast<Symbol*>(this); +} + +bool Symbol::getPrimitiveNumber(ExecState* exec, double& number, JSValue& result) const +{ + result = this; + number = toNumber(exec); + return true; +} + +JSObject* Symbol::toObject(ExecState* exec, JSGlobalObject* globalObject) const +{ + return SymbolObject::create(exec->vm(), globalObject, const_cast<Symbol*>(this)); +} + +double Symbol::toNumber(ExecState* exec) const +{ + throwTypeError(exec); + return 0.0; +} + +void Symbol::destroy(JSCell* cell) +{ + static_cast<Symbol*>(cell)->Symbol::~Symbol(); +} + +String Symbol::descriptiveString() const +{ + return makeString("Symbol(", String(privateName().uid()), ')'); +} + +} // namespace JSC |