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/*
* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Error.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/RegExpConstructor.h>
#include <LibJS/Runtime/RegExpObject.h>
namespace JS {
RegExpConstructor::RegExpConstructor(GlobalObject& global_object)
: NativeFunction(vm().names.RegExp, *global_object.function_prototype())
{
}
void RegExpConstructor::initialize(GlobalObject& global_object)
{
auto& vm = this->vm();
NativeFunction::initialize(global_object);
// 22.2.4.1 RegExp.prototype, https://tc39.es/ecma262/#sec-regexp.prototype
define_property(vm.names.prototype, global_object.regexp_prototype(), 0);
define_property(vm.names.length, Value(2), Attribute::Configurable);
define_native_accessor(*vm.well_known_symbol_species(), symbol_species_getter, {}, Attribute::Configurable);
}
RegExpConstructor::~RegExpConstructor()
{
}
// 22.2.3.1 RegExp ( pattern, flags ), https://tc39.es/ecma262/#sec-regexp-pattern-flags
Value RegExpConstructor::call()
{
return construct(*this);
}
// 22.2.3.1 RegExp ( pattern, flags ), https://tc39.es/ecma262/#sec-regexp-pattern-flags
Value RegExpConstructor::construct(Function&)
{
auto& vm = this->vm();
String pattern = "";
String flags = "";
if (!vm.argument(0).is_undefined()) {
pattern = vm.argument(0).to_string(global_object());
if (vm.exception())
return {};
}
if (!vm.argument(1).is_undefined()) {
flags = vm.argument(1).to_string(global_object());
if (vm.exception())
return {};
}
// FIXME: Use RegExpAlloc (which uses OrdinaryCreateFromConstructor)
return RegExpObject::create(global_object(), pattern, flags);
}
// 22.2.4.2 get RegExp [ @@species ], https://tc39.es/ecma262/#sec-get-regexp-@@species
JS_DEFINE_NATIVE_GETTER(RegExpConstructor::symbol_species_getter)
{
return vm.this_value(global_object);
}
}
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