da98212001
This is a specialized string table for storing identifiers only. Identifiers are always FlyStrings, which makes many common operations faster by allowing O(1) comparison.
33 lines
748 B
C++
33 lines
748 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/IdentifierTable.h>
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namespace JS::Bytecode {
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IdentifierTableIndex IdentifierTable::insert(FlyString string)
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{
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for (size_t i = 0; i < m_identifiers.size(); i++) {
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if (m_identifiers[i] == string)
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return i;
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}
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m_identifiers.append(move(string));
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return m_identifiers.size() - 1;
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}
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FlyString const& IdentifierTable::get(IdentifierTableIndex index) const
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{
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return m_identifiers[index.value()];
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}
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void IdentifierTable::dump() const
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{
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outln("Identifier Table:");
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for (size_t i = 0; i < m_identifiers.size(); i++)
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outln("{}: {}", i, m_identifiers[i]);
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}
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}
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