feat: Parser Combinator库和词法分析器 (#2)

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>

CanonSharp.Combinator/Results/FailedResultWithMessage.cs

@@ -0,0 +1,24 @@
+using CanonSharp.Combinator.Abstractions;
+
+namespace CanonSharp.Combinator.Results;
+
+/// <summary>
+/// 消息类型的失败解析结果
+/// </summary>
+/// <param name="message">解析失败的消息</param>
+/// <param name="state">当前读取的状态</param>
+/// <typeparam name="TToken">输入流的类型</typeparam>
+/// <typeparam name="TState">读取状态类型</typeparam>
+/// <typeparam name="T">解析结果的类型</typeparam>
+internal sealed class FailedResultWithMessage<TToken, TState, T>(string message, TState state) : FailedResult<TToken, T>
+    where TState : IReadState<TToken, TState>
+{
+    public override IReadState<TToken> State => state;
+
+    public override string Message => message;
+
+    public override FailedResult<TToken, TNext> Convert<TNext>()
+    {
+        return new FailedResultWithMessage<TToken, TState, TNext>(message, state);
+    }
+}