blob: b44a1793674b9a3acdf3aafd2074f584c7a0aef8 [file] [log] [blame]
/*
* Copyright (C) 2016-2018 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
* 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.
*/
#pragma once
#include "JSString.h"
namespace JSC {
inline JSString::~JSString()
{
if (isRope())
return;
valueInternal().~String();
}
bool JSString::equal(ExecState* exec, JSString* other) const
{
if (isRope() || other->isRope())
return equalSlowCase(exec, other);
return WTF::equal(*valueInternal().impl(), *other->valueInternal().impl());
}
template<typename StringType>
inline JSValue jsMakeNontrivialString(ExecState* exec, StringType&& string)
{
return jsNontrivialString(exec, std::forward<StringType>(string));
}
template<typename StringType, typename... StringTypes>
inline JSValue jsMakeNontrivialString(ExecState* exec, StringType&& string, StringTypes&&... strings)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
String result = tryMakeString(std::forward<StringType>(string), std::forward<StringTypes>(strings)...);
if (UNLIKELY(!result))
return throwOutOfMemoryError(exec, scope);
ASSERT(result.length() <= JSString::MaxLength);
return jsNontrivialString(exec, WTFMove(result));
}
template <typename CharacterType>
inline JSString* repeatCharacter(ExecState& exec, CharacterType character, unsigned repeatCount)
{
VM& vm = exec.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
CharacterType* buffer = nullptr;
auto impl = StringImpl::tryCreateUninitialized(repeatCount, buffer);
if (!impl) {
throwOutOfMemoryError(&exec, scope);
return nullptr;
}
std::fill_n(buffer, repeatCount, character);
RELEASE_AND_RETURN(scope, jsString(&exec, WTFMove(impl)));
}
} // namespace JSC