blob: 98147b197655aefb174e7671d19b22161c9609da [file] [log] [blame]
/*
* Copyright (C) 2016-2019 Apple Inc. All rights reserved.
*
* 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 "LazyClassStructure.h"
#include "JSCInlines.h"
#include "LazyPropertyInlines.h"
namespace JSC {
LazyClassStructure::Initializer::Initializer(VM& vm, JSGlobalObject* global, LazyClassStructure& classStructure, const StructureInitializer& structureInit)
: vm(vm)
, global(global)
, classStructure(classStructure)
, structureInit(structureInit)
{
}
void LazyClassStructure::Initializer::setPrototype(JSObject* prototype)
{
RELEASE_ASSERT(!this->prototype);
RELEASE_ASSERT(!structure);
RELEASE_ASSERT(!constructor);
this->prototype = prototype;
}
void LazyClassStructure::Initializer::setStructure(Structure* structure)
{
RELEASE_ASSERT(!this->structure);
RELEASE_ASSERT(!constructor);
this->structure = structure;
structureInit.set(structure);
if (!prototype)
prototype = structure->storedPrototypeObject();
}
void LazyClassStructure::Initializer::setConstructor(JSObject* constructor)
{
RELEASE_ASSERT(structure);
RELEASE_ASSERT(prototype);
RELEASE_ASSERT(!this->constructor);
this->constructor = constructor;
prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, constructor, static_cast<unsigned>(PropertyAttribute::DontEnum));
classStructure.m_constructor.set(vm, global, constructor);
}
void LazyClassStructure::visit(SlotVisitor& visitor)
{
m_structure.visit(visitor);
visitor.append(m_constructor);
}
void LazyClassStructure::dump(PrintStream& out) const
{
out.print("<structure = ", m_structure, ", constructor = ", RawPointer(m_constructor.get()), ">");
}
} // namespace JSC