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/*
* 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/Interpreter.h>
#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("RegExp", *global_object.function_prototype())
{
}
void RegExpConstructor::initialize(GlobalObject& global_object)
{
NativeFunction::initialize(global_object);
define_property("prototype", global_object.regexp_prototype(), 0);
define_property("length", Value(2), Attribute::Configurable);
}
RegExpConstructor::~RegExpConstructor()
{
}
Value RegExpConstructor::call(Interpreter& interpreter)
{
return construct(interpreter, *this);
}
Value RegExpConstructor::construct(Interpreter& interpreter, Function&)
{
if (!interpreter.argument_count())
return RegExpObject::create(global_object(), "(?:)", "");
auto contents = interpreter.argument(0).to_string(interpreter);
if (interpreter.exception())
return {};
auto flags = interpreter.argument_count() > 1 ? interpreter.argument(1).to_string(interpreter) : "";
if (interpreter.exception())
return {};
return RegExpObject::create(global_object(), contents, flags);
}
}
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