blob: 722738587b838dbfc31990eeba174f608021276c [file] [log] [blame]
/*
* 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()
{
setHash(std::nullopt);
}
static Ref<NameSection> create()
{
return adoptRef(*new NameSection);
}
void setHash(const std::optional<CString> &hash)
{
moduleHash = Name(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, RefPtr { this });
}
Name moduleName;
Name moduleHash;
Vector<Name> functionNames;
};
} } // namespace JSC::Wasm