Roslyn词法分析器初使用

需：install-package:Microsoft.CodeAnalysis using Microsoft.CodeAnalysis;

using Microsoft.CodeAnalysis.CSharp.Syntax;

using Microsoft.CodeAnalysis.VisualBasic.Syntax;

using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

using System.Reflection;

using System.Text;

using System.Threading.Tasks;

namespace RoslynTest

{

    class Program

    {

        static void Main(string[] args)

        {

            var text = @"

namespace RoslynTest

{

        public interface ICalculator

        {

           

            public static int Evaluate(string a,string b);

            public static string Evaluate2(string a1,string b1);

        }

}";

            string path = @"E:\ND.Application\ND.Lib.Application\NDLib\ND.WebService\ND.WebService.Contract\NDFront.WebService.Contract\hotel\IHotelFacility.cs";

            text = File.ReadAllText(path);

        SyntaxTree tree=  Microsoft.CodeAnalysis.CSharp.CSharpSyntaxTree.ParseText(text);

        var root = (Microsoft.CodeAnalysis.CSharp.Syntax.CompilationUnitSyntax)tree.GetRoot();

        var firstMember = root.Members[];

        NamespaceDeclarationSyntax NameSpaceDeclaration = (NamespaceDeclarationSyntax)firstMember;

        InterfaceDeclarationSyntax interfaceDeclaration = (InterfaceDeclarationSyntax)NameSpaceDeclaration.Members[];

        Console.WriteLine("命名空间:" + NameSpaceDeclaration.Name);

        Console.WriteLine("接口名:" + interfaceDeclaration.Identifier.Value);

           

        IEnumerable<SyntaxAnnotation> ss = interfaceDeclaration.GetAnnotations("ICalculator");

       ss.ToList().ForEach(x =>

       {

           Console.WriteLine("接口描述:" + x.Data); 

       });

      

        interfaceDeclaration.Members.ToList().ForEach(y =>

        {

            

            MethodDeclarationSyntax methodDeclaration = (MethodDeclarationSyntax)y;

            var paramsDeclaration = methodDeclaration.ParameterList.Parameters;

            

            Console.WriteLine("返回类型:" + methodDeclaration.ReturnType + "方法名称:" + methodDeclaration.Identifier);

            paramsDeclaration.ToList().ForEach(x =>

            {

                

                Console.WriteLine("参数类型:" + x.Type + ",参数名称:" + x.Identifier);

            });

        });

            

     

       

          Console.ReadKey();

        }

      

    }

}