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42cc481091
We can use the index's invalid state to signal an empty optional. This makes Optional<StringTableIndex> 4 bytes instead of 8, shrinking every bytecode instruction that uses these.
29 lines
590 B
C++
29 lines
590 B
C++
/*
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* Copyright (c) 2021, Gunnar Beutner <gbeutner@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Bytecode/StringTable.h>
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namespace JS::Bytecode {
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StringTableIndex StringTable::insert(String string)
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{
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m_strings.append(move(string));
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return { static_cast<u32>(m_strings.size() - 1) };
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}
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String const& StringTable::get(StringTableIndex index) const
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{
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return m_strings[index.value];
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}
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void StringTable::dump() const
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{
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outln("String Table:");
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for (size_t i = 0; i < m_strings.size(); i++)
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outln("{}: {}", i, m_strings[i]);
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}
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}
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