feature: Generate this.AttachDevTools() if Avalonia.Diagnostics is nearby (#35)

src/Avalonia.NameGenerator.Tests/Avalonia.NameGenerator.Tests.csproj

@@ -8,6 +8,7 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="3.8.0" />
+        <PackageReference Include="Microsoft.CodeAnalysis.Common" Version="3.8.0" />
         <PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.2" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.3" />
         <PackageReference Include="xunit" Version="2.4.1" />
@@ -17,7 +18,8 @@
     <ItemGroup>
         <EmbeddedResource Include="Views\*.xml" />
         <EmbeddedResource Include="OnlyProperties\GeneratedCode\*.txt" />
-        <EmbeddedResource Include="InitializeComponent\GeneratedCode\*.txt" />
+        <EmbeddedResource Include="InitializeComponent\GeneratedInitializeComponent\*.txt" />
+        <EmbeddedResource Include="InitializeComponent\GeneratedDevTools\*.txt" />
     </ItemGroup>
     <ItemGroup>
       <ProjectReference Include="..\Avalonia.NameGenerator\Avalonia.NameGenerator.csproj" />

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/AttachedProps.txt

@@ -0,0 +1,26 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+        internal global::Avalonia.Controls.TextBox UserNameTextBox { get; set; }
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            UserNameTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("UserNameTextBox");
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/CustomControls.txt

@@ -0,0 +1,30 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+        internal global::Avalonia.ReactiveUI.RoutedViewHost ClrNamespaceRoutedViewHost { get; set; }
+        internal global::Avalonia.ReactiveUI.RoutedViewHost UriRoutedViewHost { get; set; }
+        internal global::Controls.CustomTextBox UserNameTextBox { get; set; }
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            ClrNamespaceRoutedViewHost = this.FindControl<global::Avalonia.ReactiveUI.RoutedViewHost>("ClrNamespaceRoutedViewHost");
+            UriRoutedViewHost = this.FindControl<global::Avalonia.ReactiveUI.RoutedViewHost>("UriRoutedViewHost");
+            UserNameTextBox = this.FindControl<global::Controls.CustomTextBox>("UserNameTextBox");
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/DataTemplates.txt

@@ -0,0 +1,28 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+        internal global::Avalonia.Controls.TextBox UserNameTextBox { get; set; }
+        internal global::Avalonia.Controls.ListBox NamedListBox { get; set; }
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            UserNameTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("UserNameTextBox");
+            NamedListBox = this.FindControl<global::Avalonia.Controls.ListBox>("NamedListBox");
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/DevToolsCode.cs

@@ -0,0 +1,34 @@
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Avalonia.NameGenerator.Tests.InitializeComponent.GeneratedDevTools
+{
+    public static class DevToolsCode
+    {
+        public const string NamedControl = "NamedControl.txt";
+        public const string NamedControls = "NamedControls.txt";
+        public const string XNamedControl = "xNamedControl.txt";
+        public const string XNamedControls = "xNamedControls.txt";
+        public const string NoNamedControls = "NoNamedControls.txt";
+        public const string CustomControls = "CustomControls.txt";
+        public const string DataTemplates = "DataTemplates.txt";
+        public const string SignUpView = "SignUpView.txt";
+        public const string AttachedProps = "AttachedProps.txt";
+        public const string FieldModifier = "FieldModifier.txt";
+
+        public static async Task<string> Load(string generatedCodeResourceName)
+        {
+            var assembly = typeof(XamlXNameResolverTests).Assembly;
+            var fullResourceName = assembly
+                .GetManifestResourceNames()
+                .First(name => name.Contains("InitializeComponent") &&
+                               name.Contains("GeneratedDevTools") &&
+                               name.EndsWith(generatedCodeResourceName));
+
+            await using var stream = assembly.GetManifestResourceStream(fullResourceName);
+            using var reader = new StreamReader(stream!);
+            return await reader.ReadToEndAsync();
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/FieldModifier.txt

@@ -0,0 +1,36 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+        public global::Avalonia.Controls.TextBox FirstNameTextBox { get; set; }
+        public global::Avalonia.Controls.TextBox LastNameTextBox { get; set; }
+        protected global::Avalonia.Controls.TextBox PasswordTextBox { get; set; }
+        private global::Avalonia.Controls.TextBox ConfirmPasswordTextBox { get; set; }
+        internal global::Avalonia.Controls.Button SignUpButton { get; set; }
+        internal global::Avalonia.Controls.Button RegisterButton { get; set; }
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            FirstNameTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("FirstNameTextBox");
+            LastNameTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("LastNameTextBox");
+            PasswordTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("PasswordTextBox");
+            ConfirmPasswordTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("ConfirmPasswordTextBox");
+            SignUpButton = this.FindControl<global::Avalonia.Controls.Button>("SignUpButton");
+            RegisterButton = this.FindControl<global::Avalonia.Controls.Button>("RegisterButton");
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/NamedControl.txt

@@ -0,0 +1,26 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+        internal global::Avalonia.Controls.TextBox UserNameTextBox { get; set; }
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            UserNameTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("UserNameTextBox");
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/NamedControls.txt

@@ -0,0 +1,30 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+        internal global::Avalonia.Controls.TextBox UserNameTextBox { get; set; }
+        internal global::Avalonia.Controls.TextBox PasswordTextBox { get; set; }
+        internal global::Avalonia.Controls.Button SignUpButton { get; set; }
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            UserNameTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("UserNameTextBox");
+            PasswordTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("PasswordTextBox");
+            SignUpButton = this.FindControl<global::Avalonia.Controls.Button>("SignUpButton");
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/NoNamedControls.txt

@@ -0,0 +1,26 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/SignUpView.txt

@@ -0,0 +1,42 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+        internal global::Controls.CustomTextBox UserNameTextBox { get; set; }
+        internal global::Avalonia.Controls.TextBlock UserNameValidation { get; set; }
+        internal global::Avalonia.Controls.TextBox PasswordTextBox { get; set; }
+        internal global::Avalonia.Controls.TextBlock PasswordValidation { get; set; }
+        internal global::Avalonia.Controls.ListBox AwesomeListView { get; set; }
+        internal global::Avalonia.Controls.TextBox ConfirmPasswordTextBox { get; set; }
+        internal global::Avalonia.Controls.TextBlock ConfirmPasswordValidation { get; set; }
+        internal global::Avalonia.Controls.Button SignUpButton { get; set; }
+        internal global::Avalonia.Controls.TextBlock CompoundValidation { get; set; }
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            UserNameTextBox = this.FindControl<global::Controls.CustomTextBox>("UserNameTextBox");
+            UserNameValidation = this.FindControl<global::Avalonia.Controls.TextBlock>("UserNameValidation");
+            PasswordTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("PasswordTextBox");
+            PasswordValidation = this.FindControl<global::Avalonia.Controls.TextBlock>("PasswordValidation");
+            AwesomeListView = this.FindControl<global::Avalonia.Controls.ListBox>("AwesomeListView");
+            ConfirmPasswordTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("ConfirmPasswordTextBox");
+            ConfirmPasswordValidation = this.FindControl<global::Avalonia.Controls.TextBlock>("ConfirmPasswordValidation");
+            SignUpButton = this.FindControl<global::Avalonia.Controls.Button>("SignUpButton");
+            CompoundValidation = this.FindControl<global::Avalonia.Controls.TextBlock>("CompoundValidation");
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/xNamedControl.txt

@@ -0,0 +1,26 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+        internal global::Avalonia.Controls.TextBox UserNameTextBox { get; set; }
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            UserNameTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("UserNameTextBox");
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedDevTools/xNamedControls.txt

@@ -0,0 +1,30 @@
+// <auto-generated />
+
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Sample.App
+{
+    partial class SampleView
+    {
+        internal global::Avalonia.Controls.TextBox UserNameTextBox { get; set; }
+        internal global::Avalonia.Controls.TextBox PasswordTextBox { get; set; }
+        internal global::Avalonia.Controls.Button SignUpButton { get; set; }
+
+        public void InitializeComponent(bool loadXaml = true)
+        {
+            if (loadXaml)
+            {
+                AvaloniaXamlLoader.Load(this);
+            }
+
+#if DEBUG
+            this.AttachDevTools();
+#endif
+
+            UserNameTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("UserNameTextBox");
+            PasswordTextBox = this.FindControl<global::Avalonia.Controls.TextBox>("PasswordTextBox");
+            SignUpButton = this.FindControl<global::Avalonia.Controls.Button>("SignUpButton");
+        }
+    }
+}

src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedCode/InitializeComponentCode.cs → src/Avalonia.NameGenerator.Tests/InitializeComponent/GeneratedInitializeComponent/InitializeComponentCode.cs

@@ -2,7 +2,7 @@ using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
 
-namespace Avalonia.NameGenerator.Tests.InitializeComponent.GeneratedCode
+namespace Avalonia.NameGenerator.Tests.InitializeComponent.GeneratedInitializeComponent
 {
     public static class InitializeComponentCode
     {
@@ -22,7 +22,9 @@ namespace Avalonia.NameGenerator.Tests.InitializeComponent.GeneratedCode
             var assembly = typeof(XamlXNameResolverTests).Assembly;
             var fullResourceName = assembly
                 .GetManifestResourceNames()
-                .First(name => name.Contains("InitializeComponent") && name.EndsWith(generatedCodeResourceName));
+                .First(name => name.Contains("InitializeComponent") &&
+                               name.Contains("GeneratedInitializeComponent") &&
+                               name.EndsWith(generatedCodeResourceName));
 
             await using var stream = assembly.GetManifestResourceStream(fullResourceName);
             using var reader = new StreamReader(stream!);

src/Avalonia.NameGenerator.Tests/InitializeComponent/InitializeComponentTests.cs

@@ -1,7 +1,8 @@
 using System.Threading.Tasks;
 using Avalonia.NameGenerator.Compiler;
 using Avalonia.NameGenerator.Generator;
-using Avalonia.NameGenerator.Tests.InitializeComponent.GeneratedCode;
+using Avalonia.NameGenerator.Tests.InitializeComponent.GeneratedDevTools;
+using Avalonia.NameGenerator.Tests.InitializeComponent.GeneratedInitializeComponent;
 using Avalonia.NameGenerator.Tests.OnlyProperties.GeneratedCode;
 using Avalonia.NameGenerator.Tests.Views;
 using Microsoft.CodeAnalysis.CSharp;
@@ -12,24 +13,39 @@ namespace Avalonia.NameGenerator.Tests.InitializeComponent
     public class InitializeComponentTests
     {
         [Theory]
-        [InlineData(InitializeComponentCode.NamedControl, View.NamedControl)]
-        [InlineData(InitializeComponentCode.NamedControls, View.NamedControls)]
-        [InlineData(InitializeComponentCode.XNamedControl, View.XNamedControl)]
-        [InlineData(InitializeComponentCode.XNamedControls, View.XNamedControls)]
-        [InlineData(InitializeComponentCode.NoNamedControls, View.NoNamedControls)]
-        [InlineData(InitializeComponentCode.CustomControls, View.CustomControls)]
-        [InlineData(InitializeComponentCode.DataTemplates, View.DataTemplates)]
-        [InlineData(InitializeComponentCode.SignUpView, View.SignUpView)]
-        [InlineData(InitializeComponentCode.AttachedProps, View.AttachedProps)]
-        [InlineData(InitializeComponentCode.FieldModifier, View.FieldModifier)]
-        public async Task Should_Generate_FindControl_Refs_From_Avalonia_Markup_File(string expectation, string markup)
+        [InlineData(InitializeComponentCode.NamedControl, View.NamedControl, false)]
+        [InlineData(InitializeComponentCode.NamedControls, View.NamedControls, false)]
+        [InlineData(InitializeComponentCode.XNamedControl, View.XNamedControl, false)]
+        [InlineData(InitializeComponentCode.XNamedControls, View.XNamedControls, false)]
+        [InlineData(InitializeComponentCode.NoNamedControls, View.NoNamedControls, false)]
+        [InlineData(InitializeComponentCode.CustomControls, View.CustomControls, false)]
+        [InlineData(InitializeComponentCode.DataTemplates, View.DataTemplates, false)]
+        [InlineData(InitializeComponentCode.SignUpView, View.SignUpView, false)]
+        [InlineData(InitializeComponentCode.AttachedProps, View.AttachedProps, false)]
+        [InlineData(InitializeComponentCode.FieldModifier, View.FieldModifier, false)]
+        [InlineData(DevToolsCode.NamedControl, View.NamedControl, true)]
+        [InlineData(DevToolsCode.NamedControls, View.NamedControls, true)]
+        [InlineData(DevToolsCode.XNamedControl, View.XNamedControl, true)]
+        [InlineData(DevToolsCode.XNamedControls, View.XNamedControls, true)]
+        [InlineData(DevToolsCode.NoNamedControls, View.NoNamedControls, true)]
+        [InlineData(DevToolsCode.CustomControls, View.CustomControls, true)]
+        [InlineData(DevToolsCode.DataTemplates, View.DataTemplates, true)]
+        [InlineData(DevToolsCode.SignUpView, View.SignUpView, true)]
+        [InlineData(DevToolsCode.AttachedProps, View.AttachedProps, true)]
+        [InlineData(DevToolsCode.FieldModifier, View.FieldModifier, true)]
+        public async Task Should_Generate_FindControl_Refs_From_Avalonia_Markup_File(
+            string expectation,
+            string markup,
+            bool devToolsMode)
         {
+            var excluded = devToolsMode ? null : "Avalonia.Diagnostics";
             var compilation =
-                View.CreateAvaloniaCompilation()
+                View.CreateAvaloniaCompilation(excluded)
                     .WithCustomTextBox();
 
+            var types = new RoslynTypeSystem(compilation);
             var classResolver = new XamlXViewResolver(
-                new RoslynTypeSystem(compilation),
+                types,
                 MiniCompiler.CreateDefault(
                     new RoslynTypeSystem(compilation),
                     MiniCompiler.AvaloniaXmlnsDefinitionAttribute));
@@ -39,12 +55,15 @@ namespace Avalonia.NameGenerator.Tests.InitializeComponent
             var nameResolver = new XamlXNameResolver();
             var names = nameResolver.ResolveNames(classInfo.Xaml);
 
-            var generator = new InitializeComponentCodeGenerator();
+            var generator = new InitializeComponentCodeGenerator(types);
             var code = generator
                 .GenerateCode("SampleView", "Sample.App", names)
                 .Replace("\r", string.Empty);
 
-            var expected = await InitializeComponentCode.Load(expectation);
+            var expected = devToolsMode
+                ? await DevToolsCode.Load(expectation)
+                : await InitializeComponentCode.Load(expectation);
+
             CSharpSyntaxTree.ParseText(code);
             Assert.Equal(expected.Replace("\r", string.Empty), code);
         }

src/Avalonia.NameGenerator.Tests/Views/View.cs

@@ -34,7 +34,7 @@ namespace Avalonia.NameGenerator.Tests.Views
             return await reader.ReadToEndAsync();
         }
 
-        public static CSharpCompilation CreateAvaloniaCompilation()
+        public static CSharpCompilation CreateAvaloniaCompilation(string excludedPattern = null)
         {
             var compilation = CSharpCompilation
                 .Create("AvaloniaLib", options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary))
@@ -48,7 +48,9 @@ namespace Avalonia.NameGenerator.Tests.Views
             var avaloniaAssemblyDirectory = Path.GetDirectoryName(avaloniaAssemblyLocation);
             var avaloniaAssemblyReferences = Directory
                 .EnumerateFiles(avaloniaAssemblyDirectory!)
-                .Where(file => file.EndsWith(".dll") && file.Contains("Avalonia"))
+                .Where(file => file.EndsWith(".dll") &&
+                               file.Contains("Avalonia") &&
+                               (string.IsNullOrWhiteSpace(excludedPattern) || !file.Contains(excludedPattern)))
                 .Select(file => MetadataReference.CreateFromFile(file))
                 .ToList();
 

src/Avalonia.NameGenerator/Compiler/RoslynTypeSystem.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
@@ -26,31 +27,19 @@ namespace Avalonia.NameGenerator.Compiler
 
         public IReadOnlyList<IXamlAssembly> Assemblies => _assemblies;
 
-        public IXamlAssembly FindAssembly(string substring) => _assemblies[0];
+        public IXamlAssembly FindAssembly(string name) =>
+            Assemblies
+                .FirstOrDefault(a => string.Equals(a.Name, name, StringComparison.OrdinalIgnoreCase));
 
-        public IXamlType FindType(string name)
-        {
-            foreach (var assembly in _assemblies)
-            {
-                var type = assembly.FindType(name);
-                if (type != null)
-                    return type;
-            }
-            
-            return null;
-        }
+        public IXamlType FindType(string name) =>
+            _assemblies
+                .Select(assembly => assembly.FindType(name))
+                .FirstOrDefault(type => type != null);
 
-        public IXamlType FindType(string name, string assembly)
-        {
-            foreach (var assemblyInstance in _assemblies)
-            {
-                var type = assemblyInstance.FindType(name);
-                if (type != null)
-                    return type;
-            }
-
-            return null;
-        }
+        public IXamlType FindType(string name, string assembly) =>
+            _assemblies
+                .Select(assemblyInstance => assemblyInstance.FindType(name))
+                .FirstOrDefault(type => type != null);
     }
     
     public class RoslynAssembly : IXamlAssembly

src/Avalonia.NameGenerator/Domain/INameGenerator.cs

@@ -8,15 +8,5 @@ namespace Avalonia.NameGenerator.Domain
         IReadOnlyList<GeneratedPartialClass> GenerateNameReferences(IEnumerable<AdditionalText> additionalFiles);
     }
 
-    internal record GeneratedPartialClass
-    {
-        public string FileName { get; }
-        public string Content { get; }
-
-        public GeneratedPartialClass(string fileName, string content)
-        {
-            FileName = fileName;
-            Content = content;
-        }
-    }
+    internal record GeneratedPartialClass(string FileName, string Content);
 }

src/Avalonia.NameGenerator/Domain/INameResolver.cs

@@ -8,17 +8,5 @@ namespace Avalonia.NameGenerator.Domain
         IReadOnlyList<ResolvedName> ResolveNames(XamlDocument xaml);
     }
 
-    internal record ResolvedName
-    {
-        public string TypeName { get; }
-        public string Name { get; }
-        public string FieldModifier { get; }
-
-        public ResolvedName(string typeName, string name, string fieldModifier)
-        {
-            TypeName = typeName;
-            Name = name;
-            FieldModifier = fieldModifier;
-        }
-    }
+    internal record ResolvedName(string TypeName, string Name, string FieldModifier);
 }

src/Avalonia.NameGenerator/Domain/IViewResolver.cs

@@ -7,17 +7,5 @@ namespace Avalonia.NameGenerator.Domain
         ResolvedView ResolveView(string xaml);
     }
 
-    internal record ResolvedView
-    {
-        public XamlDocument Xaml { get; }
-        public string ClassName { get; }
-        public string Namespace { get; }
-
-        public ResolvedView(string className, string nameSpace, XamlDocument xaml)
-        {
-            ClassName = className;
-            Namespace = nameSpace;
-            Xaml = xaml;
-        }
-    }
+    internal record ResolvedView(string ClassName, string Namespace, XamlDocument Xaml);
 }

src/Avalonia.NameGenerator/Domain/IsExternalInit.cs

@@ -0,0 +1,5 @@
+// ReSharper disable once CheckNamespace
+namespace System.Runtime.CompilerServices
+{
+    internal static class IsExternalInit { }
+}

src/Avalonia.NameGenerator/AvaloniaNameSourceGenerator.cs → src/Avalonia.NameGenerator/Generator.cs

@@ -32,14 +32,14 @@ namespace Avalonia.NameGenerator
         private static INameGenerator CreateNameGenerator(GeneratorExecutionContext context)
         {
             var options = new GeneratorOptions(context);
+            var types = new RoslynTypeSystem((CSharpCompilation)context.Compilation);
             var defaultFieldModifier = options.AvaloniaNameGeneratorDefaultFieldModifier.ToString().ToLowerInvariant();
             ICodeGenerator generator = options.AvaloniaNameGeneratorBehavior switch {
                 Behavior.OnlyProperties => new OnlyPropertiesCodeGenerator(),
-                Behavior.InitializeComponent => new InitializeComponentCodeGenerator(),
+                Behavior.InitializeComponent => new InitializeComponentCodeGenerator(types),
                 _ => throw new ArgumentOutOfRangeException()
             };
 
-            var types = new RoslynTypeSystem((CSharpCompilation)context.Compilation);
             var compiler = MiniCompiler.CreateDefault(types, MiniCompiler.AvaloniaXmlnsDefinitionAttribute);
             return new AvaloniaNameGenerator(
                 new GlobPatternGroup(options.AvaloniaNameGeneratorFilterByPath),

src/Avalonia.NameGenerator/Generator/InitializeComponentCodeGenerator.cs

@@ -1,21 +1,34 @@
 using System.Collections.Generic;
-using System.Linq;
 using Avalonia.NameGenerator.Domain;
+using XamlX.TypeSystem;
 
 namespace Avalonia.NameGenerator.Generator
 {
     internal class InitializeComponentCodeGenerator: ICodeGenerator
     {
-        public string GenerateCode(string className, string nameSpace, IEnumerable<ResolvedName> names) 
+        private readonly bool _attachDevTools;
+        private const string AttachDevToolsCodeBlock = @"
+#if DEBUG
+            this.AttachDevTools();
+#endif
+";
+
+        public InitializeComponentCodeGenerator(IXamlTypeSystem types)
+        {
+            _attachDevTools = types.FindAssembly("Avalonia.Diagnostics") != null;
+        }
+
+        public string GenerateCode(string className, string nameSpace, IEnumerable<ResolvedName> names)
         {
             var properties = new List<string>();
             var initializations = new List<string>();
-            foreach (var info in names)
+            foreach (var (typeName, name, fieldModifier) in names)
             {
-                properties.Add($"        {info.FieldModifier} global::{info.TypeName} {info.Name} {{ get; set; }}");
-                initializations.Add($"            {info.Name} = this.FindControl<global::{info.TypeName}>(\"{info.Name}\");");
+                properties.Add($"        {fieldModifier} global::{typeName} {name} {{ get; set; }}");
+                initializations.Add($"            {name} = this.FindControl<global::{typeName}>(\"{name}\");");
             }
-            
+
+            var devToolsBlock = _attachDevTools ? AttachDevToolsCodeBlock : string.Empty;
             return $@"// <auto-generated />
 
 using Avalonia.Controls;
@@ -33,7 +46,7 @@ namespace {nameSpace}
             {{
                 AvaloniaXamlLoader.Load(this);
             }}
-
+{devToolsBlock}
 {string.Join("\n", initializations)}
         }}
     }}

src/Directory.Build.props

@@ -21,6 +21,7 @@
         <PackageReference Include="Avalonia" Version="0.10.999-cibuild0012810-beta" />
         <PackageReference Include="Avalonia.Desktop" Version="0.10.999-cibuild0012810-beta" />
         <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.999-cibuild0012810-beta" />
+        <PackageReference Include="Avalonia.Diagnostics" Version="0.10.999-cibuild0012810-beta" />
     </ItemGroup>
     <ItemGroup>
         <None Include="$(MSBuildThisFileDirectory)..\LICENSE" Pack="true" PackagePath="LICENSE" />