Source/JavaScriptCore/runtime/JSTypedArrayViewConstructor.cpp

/*
 * Copyright (C) 2015-2016 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
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 * 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. ``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
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#include "config.h"
#include "JSTypedArrayViewConstructor.h"

#include "CallFrame.h"
#include "Error.h"
#include "GetterSetter.h"
#include "JSCBuiltins.h"
#include "JSCInlines.h"
#include "JSGenericTypedArrayViewConstructorInlines.h"
#include "JSTypedArrayViewPrototype.h"
#include "JSTypedArrays.h"

namespace JSC {

static EncodedJSValue JSC_HOST_CALL constructTypedArrayView(JSGlobalObject*, CallFrame*);

JSTypedArrayViewConstructor::JSTypedArrayViewConstructor(VM& vm, Structure* structure)
    : Base(vm, structure, constructTypedArrayView, constructTypedArrayView)
{
}

const ClassInfo JSTypedArrayViewConstructor::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTypedArrayViewConstructor) };

void JSTypedArrayViewConstructor::finishCreation(VM& vm, JSGlobalObject* globalObject, JSTypedArrayViewPrototype* prototype, GetterSetter* speciesSymbol)
{
    Base::finishCreation(vm, "TypedArray"_s, NameVisibility::Visible, NameAdditionMode::WithoutStructureTransition);
    putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
    putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(0), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
    putDirectNonIndexAccessorWithoutTransition(vm, vm.propertyNames->speciesSymbol, speciesSymbol, PropertyAttribute::Accessor | PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum);

    JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->of, typedArrayConstructorOfCodeGenerator, static_cast<unsigned>(PropertyAttribute::DontEnum));
    JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->from, typedArrayConstructorFromCodeGenerator, static_cast<unsigned>(PropertyAttribute::DontEnum));
}

Structure* JSTypedArrayViewConstructor::createStructure(
    VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
    return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
}



static EncodedJSValue JSC_HOST_CALL constructTypedArrayView(JSGlobalObject* globalObject, CallFrame*)
{
    VM& vm = globalObject->vm();
    auto scope = DECLARE_THROW_SCOPE(vm);
    return throwVMTypeError(globalObject, scope, "%TypedArray% should not be called directly"_s);
}

} // namespace JSC