mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-04-25 22:08:59 +00:00
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
727 B
C++
33 lines
727 B
C++
/*
|
|
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/DistinctNumeric.h>
|
|
#include <AK/FlyString.h>
|
|
#include <AK/Vector.h>
|
|
|
|
namespace JS::Bytecode {
|
|
|
|
TYPEDEF_DISTINCT_NUMERIC_GENERAL(size_t, false, true, false, false, false, false, IdentifierTableIndex);
|
|
|
|
class IdentifierTable {
|
|
AK_MAKE_NONMOVABLE(IdentifierTable);
|
|
AK_MAKE_NONCOPYABLE(IdentifierTable);
|
|
|
|
public:
|
|
IdentifierTable() = default;
|
|
|
|
IdentifierTableIndex insert(FlyString);
|
|
FlyString const& get(IdentifierTableIndex) const;
|
|
void dump() const;
|
|
bool is_empty() const { return m_identifiers.is_empty(); }
|
|
|
|
private:
|
|
Vector<FlyString> m_identifiers;
|
|
};
|
|
|
|
}
|