ladybird/Userland/Libraries/LibRegex/RegexBytecodeStreamOptimizer.h
Ali Mohammad Pur 8f722302d9 LibRegex: Use a match table for character classes
Generate a sorted, compressed series of ranges in a match table for
character classes, and use a binary search to find the matches.
This is about a 3-4x speedup for character class match performance. :^)
2021-10-03 19:16:36 +02:00

20 lines
414 B
C++

/*
* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Forward.h"
#include <AK/Vector.h>
namespace regex {
class Optimizer {
public:
static void append_alternation(ByteCode& target, ByteCode&& left, ByteCode&& right);
static void append_character_class(ByteCode& target, Vector<CompareTypeAndValuePair>&& pairs);
};
}