mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-12-03 21:10:30 +00:00
7b863330dc
Roughly 7% of test-js runtime was spent creating FlyStrings from string literals. This patch frontloads that work and caches all the commonly used names in LibJS on a CommonPropertyNames struct that hangs off VM.
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
/*
|
|
* Copyright (c) 2020, Matthew Olsson <matthewcolsson@gmail.com>
|
|
* 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER 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 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 <LibJS/Runtime/Array.h>
|
|
#include <LibJS/Runtime/Error.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
#include <LibJS/Runtime/ProxyConstructor.h>
|
|
#include <LibJS/Runtime/ProxyObject.h>
|
|
|
|
namespace JS {
|
|
|
|
ProxyConstructor::ProxyConstructor(GlobalObject& global_object)
|
|
: NativeFunction(vm().names.Proxy, *global_object.function_prototype())
|
|
{
|
|
}
|
|
|
|
void ProxyConstructor::initialize(GlobalObject& global_object)
|
|
{
|
|
auto& vm = this->vm();
|
|
NativeFunction::initialize(global_object);
|
|
define_property(vm.names.prototype, global_object.proxy_prototype(), 0);
|
|
define_property(vm.names.length, Value(2), Attribute::Configurable);
|
|
}
|
|
|
|
ProxyConstructor::~ProxyConstructor()
|
|
{
|
|
}
|
|
|
|
Value ProxyConstructor::call()
|
|
{
|
|
vm().throw_exception<TypeError>(global_object(), ErrorType::ProxyCallWithNew);
|
|
return {};
|
|
}
|
|
|
|
Value ProxyConstructor::construct(Function&)
|
|
{
|
|
auto& vm = this->vm();
|
|
if (vm.argument_count() < 2) {
|
|
vm.throw_exception<TypeError>(global_object(), ErrorType::ProxyTwoArguments);
|
|
return {};
|
|
}
|
|
|
|
auto target = vm.argument(0);
|
|
auto handler = vm.argument(1);
|
|
|
|
if (!target.is_object()) {
|
|
vm.throw_exception<TypeError>(global_object(), ErrorType::ProxyConstructorBadType, "target", target.to_string_without_side_effects());
|
|
return {};
|
|
}
|
|
if (!handler.is_object()) {
|
|
vm.throw_exception<TypeError>(global_object(), ErrorType::ProxyConstructorBadType, "handler", handler.to_string_without_side_effects());
|
|
return {};
|
|
}
|
|
return ProxyObject::create(global_object(), target.as_object(), handler.as_object());
|
|
}
|
|
|
|
}
|