* Added ReplyKeyboardMarkupGenerator

* Added set of markup attributes dedicatedf to map a keyboard using partial methods
2025-08-16 13:13:34 +04:00
parent cdd03a3e0e
commit cf598ea91e
32 changed files with 829 additions and 284 deletions
@@ -5,4 +5,9 @@

 Rule ID | Category | Severity | Notes
 --------|----------|----------|-------
+TG_1001 | Modelling | Error | GeneratedKeyboardMarkupGenerator
+TG_1002 | Modelling | Error | GeneratedKeyboardMarkupGenerator
+TG_1003 | Modelling | Error | GeneratedKeyboardMarkupGenerator
+TG_1004 | Modelling | Error | GeneratedKeyboardMarkupGenerator
+TG_1005 | Modelling | Error | GeneratedKeyboardMarkupGenerator
 TR0001 | Aspect | Error | DiagnosticsHelper
@@ -2,6 +2,7 @@
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using System.Collections.Immutable;
 using System.Text;
+using Telegrator.RoslynExtensions;

 namespace Telegrator.Analyzers
 {
@@ -33,7 +34,7 @@ namespace Telegrator.Analyzers
        private static HandlerDeclarationModel Transform(GeneratorSyntaxContext context, CancellationToken cancellationToken)
        {
            ClassDeclarationSyntax classSyntax = (ClassDeclarationSyntax)context.Node;
-            IEnumerable<AttributeSyntax> attributes = classSyntax.GetHandlerAttributes();
+            IEnumerable<AttributeSyntax> attributes = []; //classSyntax.GetHandlerAttributes();
            BaseTypeSyntax? baseType = classSyntax.GetHandlerBaseClass();

            if (baseType == null && !attributes.Any())
@@ -58,7 +59,7 @@ namespace Telegrator.Analyzers
                context.CancellationToken.ThrowIfCancellationRequested();
                try
                {
-                    usingDirectives.UnionAdd(handler.ClassDeclaration.FindCompilationUnitSyntax().Usings.Select(use => use.ToString()));
+                    usingDirectives.UnionAdd(handler.ClassDeclaration.FindAncestor<CompilationUnitSyntax>().Usings.Select(use => use.ToString()));
                    ParseHandlerDeclaration(context, sourceBuilder, handler, context.CancellationToken);
                }
                catch (Exception ex) when (ex is not OperationCanceledException)
@@ -1,14 +0,0 @@
-using Microsoft.CodeAnalysis;
-
-namespace Telegrator.Analyzers
-{
-    public static class DiagnosticsHelper
-    {
-        public const string Aspect = "Aspect";
-
-        public static readonly DiagnosticDescriptor Test = new DiagnosticDescriptor("TR0001", "Test descriptor", string.Empty, Aspect, DiagnosticSeverity.Error, true, "Test diagnostic description.");
-
-        public static Diagnostic Create(this DiagnosticDescriptor descriptor, Location? location, params object[] messageArgs)
-            => Diagnostic.Create(descriptor, location, messageArgs);
-    }
-}
@@ -1,12 +0,0 @@
-namespace Telegrator.Analyzers
-{
-    /// <summary>
-    /// Exception thrown when a target is not found during code generation.
-    /// </summary>
-    internal class TargteterNotFoundException() : Exception() { }
-    
-    /// <summary>
-    /// Exception thrown when a base class type is not found during code generation.
-    /// </summary>
-    internal class BaseClassTypeNotFoundException() : Exception() { }
-}
@@ -0,0 +1,341 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using System.Collections.Immutable;
+using Telegrator.RoslynExtensions;
+
+#if DEBUG
+using System.Diagnostics;
+#endif
+
+namespace Telegrator.Analyzers
+{
+    [Generator(LanguageNames.CSharp)]
+    public class GeneratedKeyboardMarkupGenerator : IIncrementalGenerator
+    {
+        private const string InlineReturnType = "InlineKeyboardMarkup";
+        private const string ReplyReturnType = "ReplyKeyboardMarkup";
+
+        private const string CallbackDataAttribute = "CallbackButton";
+        private const string CallbackGameAttribute = "GameButton";
+        private const string CopyTextAttribute = "CopyTextButton";
+        private const string LoginRequestAttribute = "LoginRequestButton";
+        private const string PayRequestAttribute = "PayRequestButton";
+        private const string SwitchQueryAttribute = "SwitchQueryButton";
+        private const string QueryChosenAttribute = "QueryChosenButton";
+        private const string QueryCurrentAttribute = "QueryCurrentButton";
+        private const string UrlRedirectAttribute = "UrlRedirectButton";
+        private const string WebAppAttribute = "WebApp";
+
+        private static readonly string[] InlineAttributes = [CallbackDataAttribute, CallbackGameAttribute, CopyTextAttribute, LoginRequestAttribute, PayRequestAttribute, UrlRedirectAttribute, WebAppAttribute, SwitchQueryAttribute, QueryChosenAttribute, QueryCurrentAttribute];
+        private static readonly string[] ReplyAttributes = [];
+        private static readonly string[] DefaultUsings = ["Telegram.Bot.Types.ReplyMarkups"];
+
+        private static readonly Dictionary<string, MemberAccessExpressionSyntax> InlineKeyboardLayout = new Dictionary<string, MemberAccessExpressionSyntax>()
+        {
+            { CallbackDataAttribute, AccessExpression("InlineKeyboardButton", "WithCallbackData") },
+            { CallbackGameAttribute, AccessExpression("InlineKeyboardButton", "WithCallbackGame") },
+            { CopyTextAttribute, AccessExpression("InlineKeyboardButton", "WithCopyText") },
+            { LoginRequestAttribute, AccessExpression("InlineKeyboardButton", "WithLoginUrl") },
+            { PayRequestAttribute, AccessExpression("InlineKeyboardButton", "WithPay") },
+            { SwitchQueryAttribute, AccessExpression("InlineKeyboardButton", "WithSwitchInlineQuery") },
+            { QueryChosenAttribute, AccessExpression("InlineKeyboardButton", "WithSwitchInlineQueryChosenChat") },
+            { QueryCurrentAttribute, AccessExpression("InlineKeyboardButton", "WithSwitchInlineQueryCurrentChat") },
+            { UrlRedirectAttribute, AccessExpression("InlineKeyboardButton", "WithUrl") },
+            { WebAppAttribute, AccessExpression("InlineKeyboardButton", "WithWebApp") },
+        };
+
+        private static readonly Dictionary<string, MemberAccessExpressionSyntax> ReplyKeyboardLayout = new Dictionary<string, MemberAccessExpressionSyntax>()
+        {
+
+        };
+
+        private static readonly Dictionary<string, Dictionary<string, MemberAccessExpressionSyntax>> LayoutNames = new Dictionary<string, Dictionary<string, MemberAccessExpressionSyntax>>()
+        {
+            { InlineReturnType, InlineKeyboardLayout },
+            { ReplyReturnType, ReplyKeyboardLayout }
+        };
+
+        private static readonly DiagnosticDescriptor WrongReturnType = new DiagnosticDescriptor("TG_1001", "Wrong return type", string.Empty, "Modelling", DiagnosticSeverity.Error, true);
+        private static readonly DiagnosticDescriptor UnsupportedAttribute = new DiagnosticDescriptor("TG_1002", "Unsupported attribute", string.Empty, "Modelling", DiagnosticSeverity.Error, true);
+        private static readonly DiagnosticDescriptor NotPartialMethod = new DiagnosticDescriptor("TG_1003", "Not a partial method", string.Empty, "Modelling", DiagnosticSeverity.Error, true);
+        private static readonly DiagnosticDescriptor UseBodylessMethod = new DiagnosticDescriptor("TG_1004", "Use bodyless method", string.Empty, "Modelling", DiagnosticSeverity.Error, true);
+        private static readonly DiagnosticDescriptor UseParametrlessMethod = new DiagnosticDescriptor("TG_1005", "Use parametrless method", string.Empty, "Modelling", DiagnosticSeverity.Error, true);
+
+        private static SyntaxTrivia TabulationTrivia => SyntaxFactory.SyntaxTrivia(SyntaxKind.WhitespaceTrivia, "\t");
+        private static SyntaxTrivia WhitespaceTrivia => SyntaxFactory.SyntaxTrivia(SyntaxKind.WhitespaceTrivia, " ");
+        private static SyntaxTrivia NewLineTrivia => SyntaxFactory.SyntaxTrivia(SyntaxKind.EndOfLineTrivia, "\n");
+        private static SyntaxToken Semicolon => SyntaxFactory.Token(SyntaxKind.SemicolonToken);
+
+        public void Initialize(IncrementalGeneratorInitializationContext context)
+        {
+            IncrementalValueProvider<ImmutableArray<MethodDeclarationSyntax>> pipeline = context.SyntaxProvider.CreateSyntaxProvider(Provide, Transform).Where(x => x != null).Collect();
+            context.RegisterSourceOutput(pipeline, Execute);
+        }
+
+        private static bool Provide(SyntaxNode syntaxNode, CancellationToken cancellationToken)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+            if (syntaxNode is not MethodDeclarationSyntax method)
+                return false;
+
+            if (!HasGenAttributes(method))
+                return false;
+
+            return true;
+        }
+
+        private static MethodDeclarationSyntax Transform(GeneratorSyntaxContext context, CancellationToken cancellationToken)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+            return (MethodDeclarationSyntax)context.Node;
+        }
+
+        private static void Execute(SourceProductionContext context, ImmutableArray<MethodDeclarationSyntax> methods)
+        {
+            List<GeneratedMarkupMethodModel> models = [];
+            foreach (MethodDeclarationSyntax method in methods)
+            {
+                context.CancellationToken.ThrowIfCancellationRequested();
+                try
+                {
+                    string methodName = method.Identifier.Text;
+                    string returnType = method.ReturnType.ToString();
+                    bool anyErrors = false;
+
+                    if (!LayoutNames.TryGetValue(returnType, out var layout))
+                    {
+                        WrongReturnType.Report(context, method.ReturnType.GetLocation());
+                        anyErrors = true;
+                    }
+
+                    if (!method.Modifiers.HasModifiers("partial"))
+                    {
+                        NotPartialMethod.Report(context, method.Identifier.GetLocation());
+                        anyErrors = true;
+                    }
+
+                    if (method.ParameterList.Parameters.Any())
+                    {
+                        UseParametrlessMethod.Report(context, method.ParameterList.GetLocation());
+                        anyErrors = true;
+                    }
+
+                    if (method.ExpressionBody != null)
+                    {
+                        UseBodylessMethod.Report(context, method.ExpressionBody.GetLocation());
+                        anyErrors = true;
+                    }
+
+                    if (method.Body != null)
+                    {
+                        UseBodylessMethod.Report(context, method.Body.GetLocation());
+                        anyErrors = true;
+                    }
+
+                    if (anyErrors)
+                        return;
+
+                    context.CancellationToken.ThrowIfCancellationRequested();
+                    SeparatedSyntaxList<CollectionElementSyntax> vertical = new SeparatedSyntaxList<CollectionElementSyntax>();
+
+                    foreach (AttributeListSyntax attributeList in method.AttributeLists)
+                    {
+                        context.CancellationToken.ThrowIfCancellationRequested();
+                        SeparatedSyntaxList<CollectionElementSyntax> horizontal = new SeparatedSyntaxList<CollectionElementSyntax>();
+
+                        foreach (AttributeSyntax attribute in attributeList.Attributes)
+                        {
+                            context.CancellationToken.ThrowIfCancellationRequested();
+
+                            if (!layout.TryGetValue(attribute.Name.ToString(), out var accessSyntax))
+                            {
+                                UnsupportedAttribute.Report(context, attribute.Name.GetLocation());
+                                return;
+                            }
+
+                            InvocationExpressionSyntax expression = SyntaxFactory.InvocationExpression(accessSyntax, ConvertArguments(attribute.ArgumentList));
+                            horizontal = horizontal.Add(SyntaxFactory.ExpressionElement(expression));
+                        }
+
+                        ExpressionElementSyntax element = SyntaxFactory.ExpressionElement(SyntaxFactory.CollectionExpression(horizontal));
+                        vertical = vertical.Add(element);
+                    }
+
+                    FieldDeclarationSyntax genField = GeneratedFieldDeclaration(methodName, method.ReturnType.WithoutTrivia(), SyntaxFactory.CollectionExpression(vertical));
+                    MethodDeclarationSyntax genMethod = GeneratedMethodDeclaration(methodName, method.Modifiers, method.ReturnType, genField);
+                    
+                    models.Add(new GeneratedMarkupMethodModel(method, genField, genMethod));
+                }
+                catch (Exception ex)
+                {
+                    context.AddSource(method.Identifier.ToString(), ex.ToString());
+                }
+            }
+
+            context.CancellationToken.ThrowIfCancellationRequested();
+            CompilationUnitSyntax compilationUnit = SyntaxFactory.CompilationUnit();
+            SyntaxList<UsingDirectiveSyntax> usingDirectives = ParseUsings(DefaultUsings).ToSyntaxList();
+
+            foreach (GeneratedMarkupMethodModel model in models)
+            {
+                context.CancellationToken.ThrowIfCancellationRequested();
+
+                try
+                {
+                    if (model.OriginalMethod.Parent is not ClassDeclarationSyntax containerClass)
+                        throw new MissingMemberException();
+
+                    FieldDeclarationSyntax genField = model.GeneratedField
+                        .WithLeadingTrivia(NewLineTrivia, TabulationTrivia, TabulationTrivia);
+
+                    MethodDeclarationSyntax genMethod = model.GeneratedMethod
+                        .WithLeadingTrivia(NewLineTrivia, TabulationTrivia, TabulationTrivia);
+
+                    //ClassDeclarationSyntax genClass = GeneratedClassDeclaration(containerClass.Identifier.WithLeadingTrivia(WhitespaceTrivia).WithTrailingTrivia(NewLineTrivia), containerClass.Modifiers, genField, genMethod);
+                    NamespaceDeclarationSyntax genNamespace = GeneratedNamespaceDeclaration(model.OriginalMethod, [genField, genMethod]);
+
+                    genNamespace = genNamespace
+                        .WithCloseBraceToken(genNamespace.CloseBraceToken.WithLeadingTrivia(NewLineTrivia));
+
+                    compilationUnit = compilationUnit.AddMembers(genNamespace);
+                }
+                catch (Exception ex)
+                {
+                    context.AddSource(model.OriginalMethod.Identifier.ToString(), ex.ToString());
+                }
+            }
+
+            compilationUnit = compilationUnit.WithUsings(usingDirectives);
+            context.AddSource("GeneratedKeyboards.g", compilationUnit.ToFullString());
+        }
+
+        /*
+        private static NamespaceDeclarationSyntax GeneratedNamespaceDeclaration(NameSyntax name, params IEnumerable<MemberDeclarationSyntax> members)
+        {
+            NamespaceDeclarationSyntax genNamespace = SyntaxFactory.NamespaceDeclaration(name)
+                .WithMembers(new SyntaxList<MemberDeclarationSyntax>(members))
+                .WithLeadingTrivia(NewLineTrivia);
+
+            return genNamespace
+                .WithCloseBraceToken(genNamespace.CloseBraceToken.WithLeadingTrivia(NewLineTrivia));
+        }
+
+        private static ClassDeclarationSyntax GeneratedClassDeclaration(SyntaxToken identifier, SyntaxTokenList modifiers, params IEnumerable<MemberDeclarationSyntax> members)
+        {
+            ClassDeclarationSyntax genClass = SyntaxFactory.ClassDeclaration(identifier)
+                .WithMembers(new SyntaxList<MemberDeclarationSyntax>(members))
+                .WithModifiers(modifiers)
+                .WithLeadingTrivia(NewLineTrivia, TabulationTrivia);
+
+            return genClass
+                .WithOpenBraceToken(genClass.OpenBraceToken.WithLeadingTrivia(TabulationTrivia))
+                .WithCloseBraceToken(genClass.CloseBraceToken.WithLeadingTrivia(NewLineTrivia, TabulationTrivia));
+        }
+        */
+
+        private static MethodDeclarationSyntax GeneratedMethodDeclaration(string identifier, SyntaxTokenList modifiers, TypeSyntax returnType, FieldDeclarationSyntax field)
+        {
+            return SyntaxFactory.MethodDeclaration(returnType.WithTrailingTrivia(WhitespaceTrivia), identifier)
+                .WithModifiers(modifiers)
+                .WithExpressionBody(SyntaxFactory.ArrowExpressionClause(SyntaxFactory.IdentifierName(field.Declaration.Variables.ElementAt(0).Identifier)))
+                .WithSemicolonToken(Semicolon);
+        }
+
+        private static FieldDeclarationSyntax GeneratedFieldDeclaration(string identifier, TypeSyntax returnType, CollectionExpressionSyntax collection)
+        {
+            ArgumentListSyntax arguments = SyntaxFactory.ArgumentList(SeparatedSyntaxList(SyntaxFactory.Argument(collection)));
+            ObjectCreationExpressionSyntax objectCreation = SyntaxFactory.ObjectCreationExpression(returnType.WithLeadingTrivia(WhitespaceTrivia), arguments, null);
+
+            VariableDeclaratorSyntax declarator = SyntaxFactory.VariableDeclarator(identifier + "_generatedMarkup")
+                .WithInitializer(SyntaxFactory.EqualsValueClause(objectCreation));
+
+            return SyntaxFactory.FieldDeclaration(SyntaxFactory.VariableDeclaration(returnType.WithTrailingTrivia(WhitespaceTrivia)).AddVariables(declarator))
+                .WithModifiers(Modifiers(SyntaxKind.PrivateKeyword, SyntaxKind.StaticKeyword, SyntaxKind.ReadOnlyKeyword));
+        }
+
+        private static ArgumentListSyntax ConvertArguments(AttributeArgumentListSyntax? attributeArgs)
+        {
+            if (attributeArgs == null)
+                return SyntaxFactory.ArgumentList();
+
+            return SyntaxFactory.ArgumentList(SeparatedSyntaxList(attributeArgs.Arguments.Select(CastArgument)));
+        }
+
+        private static NamespaceDeclarationSyntax GeneratedNamespaceDeclaration(MethodDeclarationSyntax method, IEnumerable<MemberDeclarationSyntax> generatedMembers)
+        {
+            if (method.Parent is not ClassDeclarationSyntax containerClass)
+                throw new MemberAccessException();
+
+            int times = method.CountParentTree() - 1;
+            ClassDeclarationSyntax generatedContainerClass = SyntaxFactory.ClassDeclaration(containerClass.Identifier)
+                .WithMembers(new SyntaxList<MemberDeclarationSyntax>(generatedMembers.Select(member => member.DecorateMember(times + 1))))
+                .WithModifiers(containerClass.Modifiers.Decorate())
+                .Decorate(times);
+
+            MemberDeclarationSyntax generated = generatedContainerClass;
+            MemberDeclarationSyntax inspecting = containerClass;
+
+            while (inspecting.Parent != null)
+            {
+                times -= 1;
+                if (inspecting.Parent is not MemberDeclarationSyntax inspectingMember)
+                    break;
+
+                inspecting = inspectingMember;
+                switch (inspectingMember)
+                {
+                    case ClassDeclarationSyntax classDeclaration:
+                        {
+                            generated = SyntaxFactory.ClassDeclaration(classDeclaration.Identifier)
+                                .WithMembers([generated])
+                                .WithModifiers(classDeclaration.Modifiers.Decorate())
+                                .Decorate(times);
+
+                            break;
+                        }
+
+                    case StructDeclarationSyntax structDeclaration:
+                        {
+                            generated = SyntaxFactory.StructDeclaration(structDeclaration.Identifier)
+                                .WithMembers([generated])
+                                .WithModifiers(structDeclaration.Modifiers.Decorate())
+                                .Decorate(times);
+
+                            break;
+                        }
+
+                    case NamespaceDeclarationSyntax namespaceDeclaration:
+                        {
+                            //foundNamespaceDeclaration = namespaceDeclaration;
+                            return SyntaxFactory.NamespaceDeclaration(namespaceDeclaration.Name)
+                                .WithMembers([generated]).Decorate();
+                        }
+                }
+            }
+
+            throw new AncestorNotFoundException();
+        }
+
+        private static ArgumentSyntax CastArgument(AttributeArgumentSyntax argument)
+            => SyntaxFactory.Argument(argument.Expression).WithNameColon(argument.NameColon);
+
+        private static SyntaxTokenList Modifiers(params SyntaxKind[] kinds)
+            => new SyntaxTokenList(kinds.Select(SyntaxFactory.Token).Select(mod => mod.WithTrailingTrivia(WhitespaceTrivia)));
+
+        private static IEnumerable<UsingDirectiveSyntax> ParseUsings(params string[] names) => names
+            .Select(name => SyntaxFactory.IdentifierName(name).WithLeadingTrivia(WhitespaceTrivia))
+            .Select(name => SyntaxFactory.UsingDirective(name).WithTrailingTrivia(NewLineTrivia));
+
+        private static bool HasGenAttributes(MethodDeclarationSyntax method) => method.AttributeLists.SelectMany(x => x.Attributes)
+            .Select(x => x.Name.ToString()).Intersect(InlineAttributes.Concat(ReplyAttributes)).Any();
+
+        private static SeparatedSyntaxList<T> SeparatedSyntaxList<T>(params IEnumerable<T> elements) where T : SyntaxNode
+            => new SeparatedSyntaxList<T>().AddRange(elements);
+
+        private static MemberAccessExpressionSyntax AccessExpression(string className, string methodName)
+            => SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, SyntaxFactory.IdentifierName(className), SyntaxFactory.IdentifierName(methodName));
+
+        private record class GeneratedMarkupMethodModel(MethodDeclarationSyntax OriginalMethod, FieldDeclarationSyntax GeneratedField, MethodDeclarationSyntax GeneratedMethod);
+    }
+}
@@ -6,7 +6,7 @@
 	  <ImplicitUsings>enable</ImplicitUsings>
 	  <Nullable>enable</Nullable>
 	  <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
-		<Configurations>Debug;Release;AnalyzersDebug</Configurations>
+	  <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
 	</PropertyGroup>

 	<ItemGroup>
@@ -16,6 +16,16 @@
 	  </PackageReference>
 	  <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.14.0" />
 	  <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
+		
+	  <PackageReference Include="PolySharp" Version="1.15.0">
+		<PrivateAssets>all</PrivateAssets>
+		<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+	  </PackageReference>
+	</ItemGroup>
+
+	<ItemGroup>
+	  <ProjectReference Include="..\dev\Telegrator.RoslynExtensions\Telegrator.RoslynExtensions.csproj" PrivateAssets="all" />
+	  <None Include="$(OutputPath)\*.dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
 	</ItemGroup>
 	
 </Project>
@@ -1,87 +0,0 @@
-using Microsoft.CodeAnalysis;
-using Microsoft.CodeAnalysis.CSharp.Syntax;
-using System.Collections;
-using System.Text;
-
-namespace Telegrator.Analyzers
-{
-    internal static class TypeExtensions
-    {
-        public static StringBuilder AppendTabs(this StringBuilder builder, int count)
-            => builder.Append(new string('\t', count));
-
-        public static string GetBaseTypeSyntaxName(this BaseTypeSyntax baseClassSyntax)
-        {
-            if (baseClassSyntax is PrimaryConstructorBaseTypeSyntax parimaryConstructor)
-                return parimaryConstructor.Type.ToString();
-
-            if (baseClassSyntax is SimpleBaseTypeSyntax simpleBaseType)
-                return simpleBaseType.Type.ToString();
-
-            throw new BaseClassTypeNotFoundException();
-        }
-
-        public static bool IsAssignableFrom(this ITypeSymbol? symbol, string className)
-        {
-            if (symbol is null)
-                return false;
-
-            if (symbol.BaseType == null)
-                return false;
-                
-            if (symbol.BaseType.Name == className)
-                return true;
-
-            return symbol.BaseType.IsAssignableFrom(className);
-        }
-
-        public static ITypeSymbol? Cast(this ITypeSymbol symbol, string className)
-        {
-            if (symbol.BaseType == null)
-                return null;
-
-            if (symbol.BaseType.Name == className)
-                return symbol.BaseType;
-
-            return symbol.BaseType.Cast(className);
-        }
-
-        public static IEnumerable<TResult> WhereCast<TResult>(this IEnumerable source)
-        {
-            foreach (object value in source)
-            {
-                if (value is TResult result)
-                    yield return result;
-            }
-        }
-
-        public static CompilationUnitSyntax FindCompilationUnitSyntax(this SyntaxNode syntax)
-        {
-            while (syntax is not CompilationUnitSyntax)
-                syntax = syntax.Parent ?? throw new Exception();
-
-            return (CompilationUnitSyntax)syntax;
-        }
-
-        public static IEnumerable<TSource> IntersectBy<TSource, TValue>(this IEnumerable<TSource> first, IEnumerable<TValue> second, Func<TSource, TValue> selector)
-        {
-            foreach (TSource item in first)
-            {
-                TValue value = selector(item);
-                if (second.Contains(value))
-                    yield return item;
-            }
-        }
-
-        public static IList<TValue> UnionAdd<TValue>(this IList<TValue> source, IEnumerable<TValue> toUnion)
-        {
-            foreach (TValue toUnionValue in toUnion)
-            {
-                if (!source.Contains(toUnionValue, EqualityComparer<TValue>.Default))
-                    source.Add(toUnionValue);
-            }
-
-            return source;
-        }
-    }
-}
@@ -1,12 +0,0 @@
-namespace Telegrator.Generators
-{
-    /// <summary>
-    /// Exception thrown when a target is not found during code generation.
-    /// </summary>
-    internal class TargteterNotFoundException() : Exception() { }
-    
-    /// <summary>
-    /// Exception thrown when a base class type is not found during code generation.
-    /// </summary>
-    internal class BaseClassTypeNotFoundException() : Exception() { }
-}
@@ -1,22 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-	  <TargetFramework>netstandard2.0</TargetFramework>
-	  <LangVersion>latest</LangVersion>
-	  <ImplicitUsings>enable</ImplicitUsings>
-	  <Nullable>enable</Nullable>
-	  <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
-	  <Configurations>Debug;Release;AnalyzersDebug</Configurations>
-	  <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
-  </PropertyGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="4.14.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-    <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.14.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
-  </ItemGroup>
-
-</Project>
@@ -1,67 +0,0 @@
-using Microsoft.CodeAnalysis;
-using Microsoft.CodeAnalysis.CSharp;
-using Microsoft.CodeAnalysis.CSharp.Syntax;
-
-namespace Telegrator.Generators
-{
-    internal static partial class TypeExtensions
-    {
-        public static INamedTypeSymbol TryGetNamedType(this BaseTypeDeclarationSyntax syntax, Compilation compilation)
-        {
-            SemanticModel semanticModel = compilation.GetSemanticModel(syntax.SyntaxTree);
-            return semanticModel.GetDeclaredSymbol(syntax)!;
-        }
-
-        public static string GetBaseTypeSyntaxName(this BaseTypeSyntax baseClassSyntax)
-        {
-            if (baseClassSyntax is PrimaryConstructorBaseTypeSyntax parimaryConstructor)
-                return parimaryConstructor.Type.ToString();
-
-            if (baseClassSyntax is SimpleBaseTypeSyntax simpleBaseType)
-                return simpleBaseType.Type.ToString();
-
-            throw new BaseClassTypeNotFoundException();
-        }
-
-        public static bool IsAssignableFrom(this ITypeSymbol symbol, string className)
-        {
-            if (symbol.BaseType == null)
-                return false;
-                
-            if (symbol.BaseType.Name == className)
-                return true;
-
-            return symbol.BaseType.IsAssignableFrom(className);
-        }
-
-        public static ITypeSymbol? Cast(this ITypeSymbol symbol, string className)
-        {
-            if (symbol.BaseType == null)
-                return null;
-
-            if (symbol.BaseType.Name == className)
-                return symbol.BaseType;
-
-            return symbol.BaseType.Cast(className);
-        }
-
-        public static CompilationUnitSyntax FindCompilationUnitSyntax(this SyntaxNode syntax)
-        {
-            while (syntax is not CompilationUnitSyntax)
-                syntax = syntax.Parent ?? throw new Exception();
-
-            return (CompilationUnitSyntax)syntax;
-        }
-
-        public static IList<TValue> UnionAdd<TValue>(this IList<TValue> source, IEnumerable<TValue> toUnion)
-        {
-            foreach (TValue toUnionValue in toUnion)
-            {
-                if (!source.Contains(toUnionValue, EqualityComparer<TValue>.Default))
-                    source.Add(toUnionValue);
-            }
-
-            return source;
-        }
-    }
-}
@@ -15,7 +15,7 @@
 	<EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>
 	<PackageLicenseFile>LICENSE</PackageLicenseFile>
 	<PackageReadmeFile>README.md</PackageReadmeFile>
-	  <Version>1.14.0</Version>
+	<Version>1.15.0</Version>
  </PropertyGroup>

  <ItemGroup>
@@ -16,7 +16,7 @@
 	  <EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>
 	  <PackageLicenseFile>LICENSE</PackageLicenseFile>
 	  <PackageReadmeFile>README.md</PackageReadmeFile>
-	  <Version>1.14.0</Version>
+	  <Version>1.15.0</Version>
  </PropertyGroup>

  <ItemGroup>
@@ -5,7 +5,6 @@
    <TargetFramework>net8.0</TargetFramework>
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
-    <Configurations>Debug;Release</Configurations>
    <IsPackable>false</IsPackable>
  </PropertyGroup>

@@ -9,8 +9,6 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Telegrator.Hosting", "Teleg
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Telegrator.Tests", "Telegrator.Tests\Telegrator.Tests.csproj", "{0926C71D-FE0C-4963-B08B-1CBAFF1E3276}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Telegrator.Generators", "Telegrator.Generators\Telegrator.Generators.csproj", "{43927959-EB6D-4CBA-A652-2B7FC0C1DDA7}"
-EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{36D591C7-65C7-A0D1-1CBC-10CDE441BDC8}"
 	ProjectSection(SolutionItems) = preProject
 		.editorconfig = .editorconfig
@@ -20,6 +18,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Telegrator.Analyzers", "Tel
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Telegrator.Hosting.Web", "Telegrator.Hosting.Web\Telegrator.Hosting.Web.csproj", "{98AB490F-6A36-CCFF-F6E6-B029D1665965}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Telegrator.RoslynGenerators", "dev\Telegrator.RoslynGenerators\Telegrator.RoslynGenerators.csproj", "{93658B7F-C651-4C78-2CB1-2C0AE00C45B5}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Telegrator.RoslynExtensions", "dev\Telegrator.RoslynExtensions\Telegrator.RoslynExtensions.csproj", "{1E6980BE-32C1-A994-C329-B7C473411C87}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		AnalyzersDebug|Any CPU = AnalyzersDebug|Any CPU
@@ -45,12 +47,6 @@ Global
 		{0926C71D-FE0C-4963-B08B-1CBAFF1E3276}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{0926C71D-FE0C-4963-B08B-1CBAFF1E3276}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{0926C71D-FE0C-4963-B08B-1CBAFF1E3276}.Release|Any CPU.Build.0 = Release|Any CPU
-		{43927959-EB6D-4CBA-A652-2B7FC0C1DDA7}.AnalyzersDebug|Any CPU.ActiveCfg = AnalyzersDebug|Any CPU
-		{43927959-EB6D-4CBA-A652-2B7FC0C1DDA7}.AnalyzersDebug|Any CPU.Build.0 = AnalyzersDebug|Any CPU
-		{43927959-EB6D-4CBA-A652-2B7FC0C1DDA7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{43927959-EB6D-4CBA-A652-2B7FC0C1DDA7}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{43927959-EB6D-4CBA-A652-2B7FC0C1DDA7}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{43927959-EB6D-4CBA-A652-2B7FC0C1DDA7}.Release|Any CPU.Build.0 = Release|Any CPU
 		{8B6A32EA-ECF7-4CAB-A1E5-2392063C986D}.AnalyzersDebug|Any CPU.ActiveCfg = Release|Any CPU
 		{8B6A32EA-ECF7-4CAB-A1E5-2392063C986D}.AnalyzersDebug|Any CPU.Build.0 = Release|Any CPU
 		{8B6A32EA-ECF7-4CAB-A1E5-2392063C986D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
@@ -63,6 +59,18 @@ Global
 		{98AB490F-6A36-CCFF-F6E6-B029D1665965}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{98AB490F-6A36-CCFF-F6E6-B029D1665965}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{98AB490F-6A36-CCFF-F6E6-B029D1665965}.Release|Any CPU.Build.0 = Release|Any CPU
+		{93658B7F-C651-4C78-2CB1-2C0AE00C45B5}.AnalyzersDebug|Any CPU.ActiveCfg = AnalyzersDebug|Any CPU
+		{93658B7F-C651-4C78-2CB1-2C0AE00C45B5}.AnalyzersDebug|Any CPU.Build.0 = AnalyzersDebug|Any CPU
+		{93658B7F-C651-4C78-2CB1-2C0AE00C45B5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{93658B7F-C651-4C78-2CB1-2C0AE00C45B5}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{93658B7F-C651-4C78-2CB1-2C0AE00C45B5}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{93658B7F-C651-4C78-2CB1-2C0AE00C45B5}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1E6980BE-32C1-A994-C329-B7C473411C87}.AnalyzersDebug|Any CPU.ActiveCfg = AnalyzersDebug|Any CPU
+		{1E6980BE-32C1-A994-C329-B7C473411C87}.AnalyzersDebug|Any CPU.Build.0 = AnalyzersDebug|Any CPU
+		{1E6980BE-32C1-A994-C329-B7C473411C87}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1E6980BE-32C1-A994-C329-B7C473411C87}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1E6980BE-32C1-A994-C329-B7C473411C87}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1E6980BE-32C1-A994-C329-B7C473411C87}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -0,0 +1,76 @@
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.ReplyMarkups;
+
+namespace Telegrator.Markups
+{
+    /// <inheritdoc cref="InlineKeyboardButton.WithCallbackData(string, string)"/>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+    public sealed class CallbackButtonAttribute(string name, string data) : Attribute
+    {
+        public string Name { get; } = name;
+        public string Data { get; } = data;
+    }
+
+    /// <inheritdoc cref="InlineKeyboardButton.WithCallbackGame(string)"/>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+    public sealed class GameButtonAttribute(string name, string data) : Attribute
+    {
+        public string Name { get; } = name;
+        public string Game { get; } = data;
+    }
+
+    /// <inheritdoc cref="InlineKeyboardButton.WithCopyText(string, CopyTextButton)"/>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+    public sealed class CopyTextButtonAttribute(string name, CopyTextButton copyText) : Attribute
+    {
+        public string Name { get; } = name;
+        public CopyTextButton CopyText { get; } = copyText;
+    }
+
+    /// <inheritdoc cref="InlineKeyboardButton.WithPay(string)"/>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+    public sealed class PayRequestButtonAttribute(string name) : Attribute
+    {
+        public string Name { get; } = name;
+    }
+
+    /// <inheritdoc cref="InlineKeyboardButton.WithLoginUrl(string, LoginUrl)"/>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+    public sealed class LoginButtonAttribute(string name, LoginUrl url) : Attribute
+    {
+        public string Name { get; } = name;
+        public LoginUrl Url { get; } = url;
+    }
+
+    /// <inheritdoc cref="InlineKeyboardButton.WithUrl(string, string)"/>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+    public sealed class UrlRedirectButtonAttribute(string name, string url) : Attribute
+    {
+        public string Name { get; } = name;
+        public string Url { get; } = url;
+    }
+     
+    /// <inheritdoc cref="InlineKeyboardButton.WithWebApp(string, WebAppInfo)"/>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+    public sealed class WebAppButtonAttribute(string name, WebAppInfo webApp) : Attribute
+    {
+        public string Name { get; } = name;
+        public WebAppInfo AppInfo { get; } = webApp;
+    }
+     
+    /// <inheritdoc cref="InlineKeyboardButton.WithSwitchInlineQuery(string, string)"/>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+    public sealed class SwitchQueryButtonAttribute(string name, string switchInlineQuery = "") : Attribute
+    {
+        public string Name { get; } = name;
+        public string Query { get; } = switchInlineQuery;
+    }
+
+    /// <inheritdoc cref="InlineKeyboardButton.WithSwitchInlineQueryCurrentChat(string, string)"/>
+    [AttributeUsage(AttributeTargets.Method, AllowMultiple = true)]
+    public sealed class QueryCurrentButtonAttribute(string name, string switchInlineQueryCurrentChat = "") : Attribute
+    {
+        public string Name { get; } = name;
+        public string Query { get; } = switchInlineQueryCurrentChat;
+    }
+}
@@ -0,0 +1,6 @@
+namespace Telegrator.Markups
+{
+    internal class GeneratedReplyKeybooardMarkupAttributes
+    {
+    }
+}
@@ -5,34 +5,25 @@
    <ImplicitUsings>enable</ImplicitUsings>
    <Nullable>enable</Nullable>
 	<LangVersion>latest</LangVersion>
-    <Configurations>Debug;Release</Configurations>
+	  
    <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
    <GenerateDocumentationFile>True</GenerateDocumentationFile>
-    <PackageProjectUrl></PackageProjectUrl>
-    <Title>Telegrator : Telegram.Bot mediator framework</Title>
-    <PackageIcon>telegrator_nuget.png</PackageIcon>
-    <PackageReadmeFile>README.md</PackageReadmeFile>
-    <RepositoryUrl>https://github.com/Rikitav/Telegrator</RepositoryUrl>
-    <PackageTags>telegram;bot;mediator;attributes;aspect;hosting;host;framework;easy;simple;handlers</PackageTags>
    <EnableNETAnalyzers>True</EnableNETAnalyzers>
    <EnforceCodeStyleInBuild>True</EnforceCodeStyleInBuild>
+	  
+    <Title>Telegrator : Telegram.Bot mediator framework</Title>
+    <PackageIcon>telegrator_nuget.png</PackageIcon>
+    <RepositoryUrl>https://github.com/Rikitav/Telegrator</RepositoryUrl>
+    <PackageTags>telegram;bot;mediator;attributes;aspect;hosting;host;framework;easy;simple;handlers</PackageTags>
+    <PackageReadmeFile>README.md</PackageReadmeFile>
    <PackageLicenseFile>LICENSE</PackageLicenseFile>
-    <Version>1.14.0</Version>
+    <Version>1.15.0</Version>
  </PropertyGroup>

  <ItemGroup>
-    <None Include="..\LICENSE">
-      <Pack>True</Pack>
-      <PackagePath>\</PackagePath>
-    </None>
-    <None Include="..\README.md">
-      <Pack>True</Pack>
-      <PackagePath>\</PackagePath>
-    </None>
-    <None Include="..\resources\telegrator_nuget.png">
-      <Pack>True</Pack>
-      <PackagePath>\</PackagePath>
-    </None>
+    <None Include="..\LICENSE" Pack="True" PackagePath="\" />
+    <None Include="..\README.md" Pack="True" PackagePath="\" />
+    <None Include="..\resources\telegrator_nuget.png" Pack="True" PackagePath="\" />
  </ItemGroup>
  
  <ItemGroup>
@@ -44,7 +35,7 @@
  </ItemGroup>

  <ItemGroup>
-	  <ProjectReference Include="..\Telegrator.Generators\Telegrator.Generators.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
+	<ProjectReference Include="..\dev\Telegrator.RoslynGenerators\Telegrator.RoslynGenerators.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false" />
  </ItemGroup>

 </Project>
@@ -0,0 +1,64 @@
+namespace Telegrator.RoslynExtensions
+{
+    public static class CollectionsExtensions
+    {
+        public static IEnumerable<TSource> Combine<TSource>(params IEnumerable<TSource>[] collections)
+            => collections.SelectMany(x => x);
+
+        public static IEnumerable<TSource> IntersectBy<TSource, TValue>(this IEnumerable<TSource> first, IEnumerable<TValue> second, Func<TSource, TValue> selector)
+        {
+            foreach (TSource item in first)
+            {
+                TValue value = selector(item);
+                if (second.Contains(value))
+                    yield return item;
+            }
+        }
+
+        public static IList<TValue> UnionAdd<TValue>(this IList<TValue> source, IEnumerable<TValue> toUnion)
+        {
+            foreach (TValue toUnionValue in toUnion)
+            {
+                if (!source.Contains(toUnionValue, EqualityComparer<TValue>.Default))
+                    source.Add(toUnionValue);
+            }
+
+            return source;
+        }
+
+        public static void UnionAdd<TSource>(this ICollection<TSource> collection, IEnumerable<TSource> target)
+        {
+            foreach (TSource item in target)
+            {
+                if (!collection.Contains(item))
+                    collection.Add(item);
+            }
+        }
+
+        public static void UnionAdd<TSource>(this SortedList<TSource, TSource> collection, IEnumerable<TSource> target)
+        {
+            foreach (TSource item in target)
+            {
+                if (!collection.Values.Contains(item))
+                    collection.Add(item, item);
+            }
+        }
+
+        public static int IndexOf<T>(this IEnumerable<T> source, Func<T, bool> predicate)
+        {
+            int index = 0;
+            foreach (T item in source)
+            {
+                if (predicate.Invoke(item))
+                    return index;
+
+                index++;
+            }
+
+            return -1;
+        }
+
+        public static IEnumerable<T> Repeat<T>(this T item, int times)
+            => Enumerable.Range(0, times - 1).Select(_ => item);
+    }
+}
@@ -0,0 +1,16 @@
+using Microsoft.CodeAnalysis;
+
+namespace Telegrator.RoslynExtensions
+{
+    public static class DiagnosticsHelper
+    {
+        public static Diagnostic Create(this DiagnosticDescriptor descriptor, Location? location, params object[] messageArgs)
+            => Diagnostic.Create(descriptor, location, messageArgs);
+
+        public static void Report(this Diagnostic diagnostic, SourceProductionContext context)
+            => context.ReportDiagnostic(diagnostic);
+
+        public static void Report(this DiagnosticDescriptor descriptor, SourceProductionContext context, Location? location, params object[] messageArgs)
+            => descriptor.Create(location, messageArgs).Report(context);
+    }
+}
@@ -0,0 +1,7 @@
+namespace Telegrator.RoslynExtensions;
+
+public class TargteterNotFoundException() : Exception() { }
+
+public class BaseClassTypeNotFoundException() : Exception() { }
+
+public class AncestorNotFoundException : Exception { }
@@ -0,0 +1,31 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+
+namespace Telegrator.RoslynExtensions
+{
+    public static class MemberDeclarationSyntaxExtensions
+    {
+        private static SyntaxTrivia TabulationTrivia => SyntaxFactory.SyntaxTrivia(SyntaxKind.WhitespaceTrivia, "\t");
+        private static SyntaxTrivia WhitespaceTrivia => SyntaxFactory.SyntaxTrivia(SyntaxKind.WhitespaceTrivia, " ");
+        private static SyntaxTrivia NewLineTrivia => SyntaxFactory.SyntaxTrivia(SyntaxKind.EndOfLineTrivia, "\n");
+        private static SyntaxToken Semicolon => SyntaxFactory.Token(SyntaxKind.SemicolonToken);
+
+        public static SyntaxTokenList Decorate(this SyntaxTokenList tokens)
+            => new SyntaxTokenList(tokens.Select(token => token.WithoutTrivia().WithTrailingTrivia(WhitespaceTrivia)).ToArray());
+
+        public static T DecorateMember<T>(this T typeDeclaration, int times = 1) where T : MemberDeclarationSyntax => typeDeclaration
+            .WithoutTrivia().WithLeadingTrivia(TabulationTrivia.Repeat(times)).WithTrailingTrivia(NewLineTrivia);
+
+        public static NamespaceDeclarationSyntax Decorate(this NamespaceDeclarationSyntax namespaceDeclaration) => namespaceDeclaration
+            .WithName(namespaceDeclaration.Name.WithoutTrivia().WithLeadingTrivia(WhitespaceTrivia))
+            .WithOpenBraceToken(SyntaxFactory.Token(SyntaxKind.OpenBraceToken).WithLeadingTrivia(NewLineTrivia).WithTrailingTrivia(NewLineTrivia))
+            .WithCloseBraceToken(SyntaxFactory.Token(SyntaxKind.CloseBraceToken));
+
+        public static T Decorate<T>(this T typeDeclaration, int times = 1) where T : TypeDeclarationSyntax => (T)typeDeclaration
+            .WithoutTrivia().WithLeadingTrivia(TabulationTrivia.Repeat(times))
+            .WithIdentifier(typeDeclaration.Identifier.WithoutTrivia().WithLeadingTrivia(WhitespaceTrivia).WithTrailingTrivia(NewLineTrivia))
+            .WithOpenBraceToken(SyntaxFactory.Token(SyntaxKind.OpenBraceToken).WithLeadingTrivia(TabulationTrivia.Repeat(times)).WithTrailingTrivia(NewLineTrivia))
+            .WithCloseBraceToken(SyntaxFactory.Token(SyntaxKind.CloseBraceToken).WithLeadingTrivia(TabulationTrivia.Repeat(times)).WithTrailingTrivia(NewLineTrivia));
+    }
+}
@@ -0,0 +1,10 @@
+using System.Text;
+
+namespace Telegrator.RoslynExtensions
+{
+    public static class StringBuilderExtensions
+    {
+        public static StringBuilder AppendTabs(this StringBuilder builder, int count)
+            => builder.Append(new string('\t', count));
+    }
+}
@@ -0,0 +1,21 @@
+namespace Telegrator.RoslynExtensions
+{
+    public static class StringExtensions
+    {
+        public static string FirstLetterToUpper(this string target)
+        {
+            char[] chars = target.ToCharArray();
+            int index = chars.IndexOf(char.IsLetter);
+            chars[index] = char.ToUpper(chars[index]);
+            return new string(chars);
+        }
+
+        public static string FirstLetterToLower(this string target)
+        {
+            char[] chars = target.ToCharArray();
+            int index = chars.IndexOf(char.IsLetter);
+            chars[index] = char.ToLower(chars[index]);
+            return new string(chars);
+        }
+    }
+}
@@ -0,0 +1,28 @@
+using Microsoft.CodeAnalysis;
+
+namespace Telegrator.RoslynExtensions;
+
+public static class SymbolsExtensions
+{
+    public static bool IsAssignableFrom(this ITypeSymbol symbol, string className)
+    {
+        if (symbol.BaseType == null)
+            return false;
+
+        if (symbol.BaseType.Name == className)
+            return true;
+
+        return symbol.BaseType.IsAssignableFrom(className);
+    }
+
+    public static ITypeSymbol? Cast(this ITypeSymbol symbol, string className)
+    {
+        if (symbol.BaseType == null)
+            return null;
+
+        if (symbol.BaseType.Name == className)
+            return symbol.BaseType;
+
+        return symbol.BaseType.Cast(className);
+    }
+}
@@ -0,0 +1,74 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+
+namespace Telegrator.RoslynExtensions
+{
+    public static class SyntaxNodesExtensions
+    {
+        public static T FindAncestor<T>(this SyntaxNode node) where T : SyntaxNode
+        {
+            if (node.Parent == null)
+                throw new AncestorNotFoundException();
+
+            if (node.Parent is T found)
+                return found;
+
+            return node.Parent.FindAncestor<T>();
+        }
+
+        public static bool TryFindAncestor<T>(this SyntaxNode node, out T syntax) where T : SyntaxNode
+        {
+            if (node.Parent == null)
+            {
+                syntax = null!;
+                return false;
+            }
+
+            if (node.Parent is T found)
+            {
+                syntax = found;
+                return true;
+            }
+
+            return node.Parent.TryFindAncestor(out syntax);
+        }
+
+        public static INamedTypeSymbol TryGetNamedType(this BaseTypeDeclarationSyntax syntax, Compilation compilation)
+        {
+            SemanticModel semanticModel = compilation.GetSemanticModel(syntax.SyntaxTree);
+            return semanticModel.GetDeclaredSymbol(syntax)!;
+        }
+
+        public static string GetBaseTypeSyntaxName(this BaseTypeSyntax baseClassSyntax)
+        {
+            if (baseClassSyntax is PrimaryConstructorBaseTypeSyntax parimaryConstructor)
+                return parimaryConstructor.Type.ToString();
+
+            if (baseClassSyntax is SimpleBaseTypeSyntax simpleBaseType)
+                return simpleBaseType.Type.ToString();
+
+            throw new BaseClassTypeNotFoundException();
+        }
+
+        public static int CountParentTree(this SyntaxNode node)
+        {
+            int count = 0;
+            SyntaxNode inspectNode = node;
+
+            while (inspectNode.Parent != null)
+            {
+                inspectNode = inspectNode.Parent;
+                count++;
+            }
+
+            return count;
+        }
+
+        public static SeparatedSyntaxList<TNode> ToSeparatedSyntaxList<TNode>(this IEnumerable<TNode> elements) where TNode : SyntaxNode
+            => new SeparatedSyntaxList<TNode>().AddRange(elements);
+
+        public static SyntaxList<TNode> ToSyntaxList<TNode>(this IEnumerable<TNode> elements) where TNode : SyntaxNode
+            => new SyntaxList<TNode>().AddRange(elements);
+    }
+}
@@ -0,0 +1,12 @@
+using Microsoft.CodeAnalysis;
+
+namespace Telegrator.RoslynExtensions
+{
+    public static class SyntaxTokenExtensions
+    {
+        public static bool HasModifiers(this SyntaxTokenList modifiers, params string[] expected)
+        {
+            return modifiers.Count(mod => expected.Contains(mod.ToString())) == expected.Length;
+        }
+    }
+}
@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+	<TargetFramework>netstandard2.0</TargetFramework>
+	<LangVersion>latest</LangVersion>
+	<ImplicitUsings>enable</ImplicitUsings>
+	<Nullable>enable</Nullable>
+	<EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
+	<IncludeBuildOutput>False</IncludeBuildOutput>
+  </PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="4.14.0">
+			<PrivateAssets>all</PrivateAssets>
+			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+		</PackageReference>
+		<PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.14.0" />
+		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
+		
+		<PackageReference Include="PolySharp" Version="1.15.0">
+		  <PrivateAssets>all</PrivateAssets>
+		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+		</PackageReference>
+	</ItemGroup>
+
+</Project>
@@ -3,9 +3,9 @@ using Microsoft.CodeAnalysis.CSharp.Syntax;
 using System.Collections.Immutable;
 using System.Text;
 using System.Xml.Linq;
+using Telegrator.RoslynExtensions;

-#pragma warning disable CS0162
-namespace Telegrator.Generators
+namespace Telegrator.RoslynGenerators
 {
    /// <summary>
    /// Source Generator для автоматической генерации Markdown-документации по публичному API Telegrator.
@@ -0,0 +1,8 @@
+// This file is used by Code Analysis to maintain SuppressMessage
+// attributes that are applied to this project.
+// Project-level suppressions either have no target or are given
+// a specific target and scoped to a namespace, type, member, etc.
+
+using System.Diagnostics.CodeAnalysis;
+
+[assembly: SuppressMessage("Style", "IDE0090")]
@@ -2,19 +2,16 @@
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using System.Collections.Immutable;
-using System.Diagnostics;
 using System.Text;
+using Telegrator.RoslynExtensions;

-namespace Telegrator.Generators
+namespace Telegrator.RoslynGenerators
 {
    [Generator(LanguageNames.CSharp)]
    public class ImplicitHandlerBuilderExtensionsGenerator : IIncrementalGenerator
    {
        public void Initialize(IncrementalGeneratorInitializationContext context)
        {
-#if ANALYZERSDEBUG
-            Debugger.Launch();
-#endif
            IncrementalValueProvider<ImmutableArray<ClassDeclarationSyntax>> pipeline = context.SyntaxProvider
                .CreateSyntaxProvider(SyntaxPredicate, SyntaxTransform)
                .Where(declaration => declaration != null)
@@ -68,7 +65,7 @@ namespace Telegrator.Generators
            {
                try
                {
-                    usingDirectives.UnionAdd(classDeclaration.FindCompilationUnitSyntax().Usings.Select(use => use.ToString()));
+                    usingDirectives.UnionAdd(classDeclaration.FindAncestor<CompilationUnitSyntax>().Usings.Select(use => use.ToString()));
                    ParseClassDeclaration(sourceBuilder, classDeclaration, targeters);
                }
                catch (TargteterNotFoundException)
@@ -86,7 +83,7 @@ namespace Telegrator.Generators
            {
                try
                {
-                    usingDirectives.UnionAdd(classDeclaration.FindCompilationUnitSyntax().Usings.Select(use => use.ToString()));
+                    usingDirectives.UnionAdd(classDeclaration.FindAncestor<CompilationUnitSyntax>().Usings.Select(use => use.ToString()));
                    ParseClassDeclaration(sourceBuilder, classDeclaration, targeters);
                }
                catch (Exception exc)
@@ -0,0 +1,28 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+	<TargetFramework>netstandard2.0</TargetFramework>
+	<LangVersion>latest</LangVersion>
+	<ImplicitUsings>enable</ImplicitUsings>
+	<Nullable>enable</Nullable>
+	<EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
+	<GeneratePackageOnBuild>True</GeneratePackageOnBuild>
+	<IsRoslynComponent>True</IsRoslynComponent>
+	<CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="4.14.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.14.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.14.0" />
+  </ItemGroup>
+
+	<ItemGroup>
+		<ProjectReference Include="..\Telegrator.RoslynExtensions\Telegrator.RoslynExtensions.csproj" PrivateAssets="all" />
+		<None Include="$(OutputPath)\*.dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
+	</ItemGroup>
+
+</Project>