Source/JavaScriptCore/wasm/js/WebAssemblyRuntimeErrorConstructor.cpp

/*
 * Copyright (C) 2016-2017 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. ``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
 * 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
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#include "config.h"
#include "WebAssemblyRuntimeErrorConstructor.h"

#if ENABLE(WEBASSEMBLY)

#include "FunctionPrototype.h"
#include "JSCInlines.h"
#include "JSWebAssemblyRuntimeError.h"
#include "WebAssemblyRuntimeErrorPrototype.h"

#include "WebAssemblyRuntimeErrorConstructor.lut.h"

namespace JSC {

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

/* Source for WebAssemblyRuntimeErrorConstructor.lut.h
 @begin constructorTableWebAssemblyRuntimeError
 @end
 */

static EncodedJSValue JSC_HOST_CALL constructJSWebAssemblyRuntimeError(ExecState* exec)
{
    auto& vm = exec->vm();
    auto scope = DECLARE_THROW_SCOPE(vm);
    JSValue message = exec->argument(0);
    String messageString = message.isUndefined() ? String() : message.toWTFString(exec);
    RETURN_IF_EXCEPTION(scope, encodedJSValue());
    auto* structure = InternalFunction::createSubclassStructure(exec, exec->newTarget(), jsCast<InternalFunction*>(exec->jsCallee())->globalObject(vm)->webAssemblyRuntimeErrorStructure());
    RETURN_IF_EXCEPTION(scope, encodedJSValue());
    return JSValue::encode(JSWebAssemblyRuntimeError::create(exec, vm, structure, WTFMove(messageString)));
}

static EncodedJSValue JSC_HOST_CALL callJSWebAssemblyRuntimeError(ExecState* exec)
{
    JSValue message = exec->argument(0);
    Structure* errorStructure = jsCast<InternalFunction*>(exec->jsCallee())->globalObject(exec->vm())->webAssemblyRuntimeErrorStructure();
    return JSValue::encode(ErrorInstance::create(exec, errorStructure, message, nullptr, TypeNothing, false));
}

WebAssemblyRuntimeErrorConstructor* WebAssemblyRuntimeErrorConstructor::create(VM& vm, Structure* structure, WebAssemblyRuntimeErrorPrototype* thisPrototype)
{
    auto* constructor = new (NotNull, allocateCell<WebAssemblyRuntimeErrorConstructor>(vm.heap)) WebAssemblyRuntimeErrorConstructor(vm, structure);
    constructor->finishCreation(vm, thisPrototype);
    return constructor;
}

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

void WebAssemblyRuntimeErrorConstructor::finishCreation(VM& vm, WebAssemblyRuntimeErrorPrototype* prototype)
{
    Base::finishCreation(vm, "RuntimeError"_s, NameVisibility::Visible, NameAdditionMode::WithoutStructureTransition);
    putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum | PropertyAttribute::DontDelete);
    putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum);
}

WebAssemblyRuntimeErrorConstructor::WebAssemblyRuntimeErrorConstructor(VM& vm, Structure* structure)
    : Base(vm, structure, callJSWebAssemblyRuntimeError, constructJSWebAssemblyRuntimeError)
{
}

} // namespace JSC

#endif // ENABLE(WEBASSEMBLY)