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/*
* Copyright (C) 2008, 2012, 2015 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "config.h"
#include "Lookup.h"
#include "Executable.h"
#include "GetterSetter.h"
#include "JSFunction.h"
#include "JSCInlines.h"
namespace JSC {
void reifyStaticAccessor(VM& vm, const HashTableValue& value, JSObject& thisObj, PropertyName propertyName)
{
JSGlobalObject* globalObject = thisObj.globalObject();
GetterSetter* accessor = GetterSetter::create(vm, globalObject);
if (value.accessorGetter()) {
String getterName = WTF::tryMakeString(ASCIILiteral("get "), String(*propertyName.publicName()));
if (!getterName)
return;
accessor->setGetter(vm, globalObject, value.attributes() & Builtin
? JSFunction::createBuiltinFunction(vm, value.builtinAccessorGetterGenerator()(vm), globalObject, getterName)
: JSFunction::create(vm, globalObject, 0, getterName, value.accessorGetter()));
}
thisObj.putDirectNonIndexAccessor(vm, propertyName, accessor, attributesForStructure(value.attributes()));
}
bool setUpStaticFunctionSlot(ExecState* exec, const HashTableValue* entry, JSObject* thisObj, PropertyName propertyName, PropertySlot& slot)
{
ASSERT(thisObj->globalObject());
ASSERT(entry->attributes() & BuiltinOrFunctionOrAccessor);
VM& vm = exec->vm();
unsigned attributes;
bool isAccessor = entry->attributes() & Accessor;
PropertyOffset offset = thisObj->getDirectOffset(vm, propertyName, attributes);
if (!isValidOffset(offset)) {
// If a property is ever deleted from an object with a static table, then we reify
// all static functions at that time - after this we shouldn't be re-adding anything.
if (thisObj->staticFunctionsReified())
return false;
if (entry->attributes() & Builtin)
thisObj->putDirectBuiltinFunction(vm, thisObj->globalObject(), propertyName, entry->builtinGenerator()(vm), attributesForStructure(entry->attributes()));
else if (entry->attributes() & Function) {
thisObj->putDirectNativeFunction(
vm, thisObj->globalObject(), propertyName, entry->functionLength(),
entry->function(), entry->intrinsic(), attributesForStructure(entry->attributes()));
} else {
ASSERT(isAccessor);
reifyStaticAccessor(vm, *entry, *thisObj, propertyName);
}
offset = thisObj->getDirectOffset(vm, propertyName, attributes);
ASSERT(isValidOffset(offset));
}
if (isAccessor)
slot.setCacheableGetterSlot(thisObj, attributes, jsCast<GetterSetter*>(thisObj->getDirect(offset)), offset);
else
slot.setValue(thisObj, attributes, thisObj->getDirect(offset), offset);
return true;
}
} // namespace JSC
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