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src/OneScript.Language/LexicalAnalysis/ExpressionBasedLexer.cs
41 строка
1 KB
EvilBeaver
Удален устаревший метод OnAttach и массово исправлены неиспользуемые using
02 дек 2025, 11:20
02 дек 2025, 11:20
0301fed
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/*---------------------------------------------------------- This Source Code Form is subject to the terms of the Mozilla Public License, v.2.0. If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/. ----------------------------------------------------------*/ using OneScript.Language.SyntaxAnalysis; namespace OneScript.Language.LexicalAnalysis { public delegate LexerState LexerStateSelector(SourceCodeIterator iterator, char symbol); public class ExpressionBasedLexer : ILexer { private readonly LexerStateSelector _selector; internal ExpressionBasedLexer(LexerStateSelector selector) { _selector = selector; } public Lexem NextLexem() { if (Iterator.MoveToContent()) { var state = _selector(Iterator, Iterator.CurrentSymbol); if (state == default) { throw new SyntaxErrorException(Iterator.GetErrorPosition(), LocalizedErrors.UnexpectedSymbol(Iterator.CurrentSymbol)); } return state.ReadNextLexem(Iterator); } return Lexem.EndOfText(); } public SourceCodeIterator Iterator { get; set; } } }