feat: Grammar Parser (#3)

Reviewed-on: https://git.bupt-hpc.cn/jackfiled/CanonSharp/pulls/3
Co-authored-by: jackfiled <xcrenchangjun@outlook.com>
Co-committed-by: jackfiled <xcrenchangjun@outlook.com>

CanonSharp.Combinator/Parsers/Primitives/FailedParser.cs

@@ -9,7 +9,7 @@ namespace CanonSharp.Combinator.Parsers.Primitives;
 /// <typeparam name="T">解析结果的类型</typeparam>
 internal sealed class FailedParser<TToken, T> : PrimitiveParser<TToken, T>
 {
-    protected override ParseResult<TToken, T> Run<TState>(TState state)
+    protected override IParseResult<TToken, T> Run<TState>(TState state)
         => ParseResultBuilder.Fail<TToken, TState, T>(state);
 }
 
@@ -21,7 +21,7 @@ internal sealed class FailedParser<TToken, T> : PrimitiveParser<TToken, T>
 /// <typeparam name="T">解析结果的类型</typeparam>
 internal sealed class FailedParserWithMessage<TToken, T>(string message) : PrimitiveParser<TToken, T>
 {
-    protected override ParseResult<TToken, T> Run<TState>(TState state)
+    protected override IParseResult<TToken, T> Run<TState>(TState state)
         => ParseResultBuilder.Fail<TToken, TState, T>(message, state);
 }
 
@@ -34,7 +34,7 @@ internal sealed class FailedParserWithMessage<TToken, T>(string message) : Primi
 internal sealed class FailedParserWithDelayedMessage<TToken, T>(Func<IReadState<TToken>, string> messageFunc)
     : PrimitiveParser<TToken, T>
 {
-    protected override ParseResult<TToken, T> Run<TState>(TState state)
+    protected override IParseResult<TToken, T> Run<TState>(TState state)
         => ParseResultBuilder.Fail<TToken, TState, T>(messageFunc(state), state);
 }
 
@@ -46,6 +46,6 @@ internal sealed class FailedParserWithDelayedMessage<TToken, T>(Func<IReadState<
 /// <typeparam name="T">解析结果的类型</typeparam>
 internal sealed class FailedParserWithException<TToken, T>(Exception e) : PrimitiveParser<TToken, T>
 {
-    protected override ParseResult<TToken, T> Run<TState>(TState state)
+    protected override IParseResult<TToken, T> Run<TState>(TState state)
         => ParseResultBuilder.Fail<TToken, TState, T>(e, state);
 }

CanonSharp.Combinator/Parsers/Primitives/PureParser.cs

@@ -10,7 +10,7 @@ namespace CanonSharp.Combinator.Parsers.Primitives;
 /// <typeparam name="T">解析成功返回值的类型</typeparam>
 internal sealed class PureParser<TToken, T>(T value) : PrimitiveParser<TToken, T>
 {
-    protected override ParseResult<TToken, T> Run<TState>(TState state)
+    protected override IParseResult<TToken, T> Run<TState>(TState state)
         => ParseResultBuilder.Succeed<TToken, TState, T>(value, state);
 }
 
@@ -22,6 +22,6 @@ internal sealed class PureParser<TToken, T>(T value) : PrimitiveParser<TToken, T
 /// <typeparam name="T">解析成功返回值的类型</typeparam>
 internal sealed class DelayedPureParser<TToken, T>(Func<IReadState<TToken>, T> valueFunc) : PrimitiveParser<TToken, T>
 {
-    protected override ParseResult<TToken, T> Run<TState>(TState state)
+    protected override IParseResult<TToken, T> Run<TState>(TState state)
         => ParseResultBuilder.Succeed<TToken, TState, T>(valueFunc(state), state);
 }

CanonSharp.Combinator/Parsers/Primitives/SatisfyParser.cs

@@ -9,7 +9,7 @@ namespace CanonSharp.Combinator.Parsers.Primitives;
 /// <typeparam name="TToken">输入流类型</typeparam>
 internal sealed class SatisfyParser<TToken>(Func<TToken, bool> predicate) : PrimitiveParser<TToken, TToken>
 {
-    protected override ParseResult<TToken, TToken> Run<TState>(TState state)
+    protected override IParseResult<TToken, TToken> Run<TState>(TState state)
     {
         return state.HasValue && predicate(state.Current)
             ? ParseResultBuilder.Succeed<TToken, TState, TToken>(state.Current, state.Next)

CanonSharp.Combinator/Parsers/Primitives/SkipParser.cs

@@ -10,7 +10,7 @@ namespace CanonSharp.Combinator.Parsers.Primitives;
 /// <typeparam name="TToken">输入流类型</typeparam>
 internal sealed class SkipParser<TToken>(int count) : PrimitiveParser<TToken, Unit>
 {
-    protected override ParseResult<TToken, Unit> Run<TState>(TState state)
+    protected override IParseResult<TToken, Unit> Run<TState>(TState state)
     {
         List<TState> result = state.AsEnumerable<TToken, TState>().Take(count).ToList();
 

CanonSharp.Combinator/Parsers/Primitives/TakeParser.cs

@@ -10,7 +10,7 @@ namespace CanonSharp.Combinator.Parsers.Primitives;
 /// <typeparam name="TToken">输入流类型</typeparam>
 internal sealed class TakeParser<TToken>(int count) : PrimitiveParser<TToken, IEnumerable<TToken>>
 {
-    protected override ParseResult<TToken, IEnumerable<TToken>> Run<TState>(TState state)
+    protected override IParseResult<TToken, IEnumerable<TToken>> Run<TState>(TState state)
     {
         List<TState> result = state.AsEnumerable<TToken, TState>().Take(count).ToList();