jackfiled
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Reviewed-on: https://git.bupt-hpc.cn/jackfiled/CanonSharp/pulls/2 Co-authored-by: jackfiled <xcrenchangjun@outlook.com> Co-committed-by: jackfiled <xcrenchangjun@outlook.com>
34 lines
1.1 KiB
C#
34 lines
1.1 KiB
C#
using CanonSharp.Combinator.Abstractions;
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namespace CanonSharp.Combinator.Parsers.Bases;
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/// <summary>
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/// 修正？解析器
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/// 感觉是一种递归的高级实现？
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///
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/// </summary>
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/// <typeparam name="TToken"></typeparam>
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/// <typeparam name="T"></typeparam>
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internal sealed class FixParser<TToken, T> : Parser<TToken, T>
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{
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private readonly Parser<TToken, T> _parser;
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public FixParser(Func<Parser<TToken, T>, Parser<TToken, T>> func)
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{
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_parser = func(this);
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}
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internal override ParseResult<TToken, TResult> Run<TState, TResult>(TState state,
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Func<ParseResult<TToken, T>, ParseResult<TToken, TResult>> continuation)
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=> _parser.Run(state, continuation);
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}
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internal sealed class FixParser<TToken, TParameter, T>(
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Func<Func<TParameter, Parser<TToken, T>>, TParameter, Parser<TToken, T>> func,
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TParameter parameter) : Parser<TToken, T>
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{
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internal override ParseResult<TToken, TResult> Run<TState, TResult>(TState state,
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Func<ParseResult<TToken, T>, ParseResult<TToken, TResult>> continuation)
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=> func(p => new FixParser<TToken, TParameter, T>(func, p), parameter).Run(state, continuation);
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}
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