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fix: Using covariant interface for IParser and IParseResult.

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Rename CanonSharp.Common to CanonSharp.Pascal.
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jackfiled
2024-08-14 19:41:10 +08:00
parent 65d4d0e6e8
commit 65d6b9794c
51 changed files with 399 additions and 393 deletions
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8
CanonSharp.Combinator/Parsers/Modifiers/TryParser.cs
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@@ -11,13 +11,13 @@ namespace CanonSharp.Combinator.Parsers.Modifiers;
/// <param name="resume">处理失败结果的恢复函数</param>
/// <typeparam name="TToken">输入流令牌</typeparam>
/// <typeparam name="T">解析器返回结果类型</typeparam>
internal sealed class TryParser<TToken, T>(Parser<TToken, T> parser, Func<FailedResult<TToken, T>, T> resume)
internal sealed class TryParser<TToken, T>(IParser<TToken, T> parser, Func<IFailedResult<TToken, T>, T> resume)
: ModifiedParser<TToken, T, T>(parser)
{
protected override ParseResult<TToken, T> Succeed<TState>(TState state,
SuccessfulResult<TToken, T> successfulResult)
protected override IParseResult<TToken, T> Succeed<TState>(TState state,
ISuccessfulResult<TToken, T> successfulResult)
=> successfulResult;
protected override ParseResult<TToken, T> Fail<TState>(TState state, FailedResult<TToken, T> failedResult)
protected override IParseResult<TToken, T> Fail<TState>(TState state, IFailedResult<TToken, T> failedResult)
=> ParseResultBuilder.Succeed<TToken, TState, T>(resume(failedResult), state);
}