/* * Copyright (C) 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 * 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 "WasmName.h" #include <wtf/Noncopyable.h> #include <wtf/text/CString.h> #include <wtf/ThreadSafeRefCounted.h> #include <wtf/Vector.h> #include <utility> namespace JSC { namespace Wasm { struct NameSection : public ThreadSafeRefCounted<NameSection> { WTF_MAKE_NONCOPYABLE(NameSection); public: NameSection(const std::optional<CString> &hash) : moduleHash(hash ? hash->length() : 3) { if (hash) { for (size_t i = 0; i < hash->length(); ++i) moduleHash[i] = static_cast<uint8_t>(*(hash->data() + i)); } else { moduleHash[0] = '<'; moduleHash[1] = '?'; moduleHash[2] = '>'; } } std::pair<const Name*, RefPtr<NameSection>> get(size_t functionIndexSpace) { return std::make_pair(functionIndexSpace < functionNames.size() ? &functionNames[functionIndexSpace] : nullptr, makeRefPtr(this)); } Name moduleName; Name moduleHash; Vector<Name> functionNames; }; } } // namespace JSC::Wasm