unoplatform · jeromelaban · Jan 31, 2025 · Jan 30, 2025 · Jan 30, 2025
diff --git a/...ors/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Given_HotReloadEnabledInBuild.cs b/...ors/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Given_HotReloadEnabledInBuild.cs
@@ -332,4 +332,61 @@ public MainPage()
 
 		await test.RunAsync();
 	}
+
+	[TestMethod]
+	public async Task SetOriginalSourceLocationIncludedInOutputForEmptyDataTemplates()
+	{
+		var xamlFile = new XamlFile("EmptyDataTemplatePage.xaml",
+			"""
+			 <Page x:Class="TestRepro.EmptyDataTemplatePage"
+				xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+				xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+					xmlns:local="using:TestRepro"
+					Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">
+				<Page.Resources>
+					<DataTemplate x:Key="MyEmptyTemplate">
+						<!-- SUT -->
+					</DataTemplate>
+				</Page.Resources>
+				<StackPanel>
+					<ListView ItemTemplate="{StaticResource MyItemTemplate}" />
+					<Button x:Name="ButtonWithEmptyDataTemplate">
+						<Button.ContentTemplate>
+							<DataTemplate>
+								<!-- SUT -->
+							</DataTemplate>
+						</Button.ContentTemplate>
+					</Button>
+				</StackPanel>
+			 </Page>
+			""");
+		var configOverride = new Dictionary<string, string> { { "build_property.UnoForceHotReloadCodeGen", "true" } };
+		var test = new Verify.Test(xamlFile)
+		{
+			TestState =
+			{
+				Sources =
+				{
+					"""
+					using Microsoft.UI.Xaml;
+					using Microsoft.UI.Xaml.Controls;
+					namespace TestRepro
+					{
+						public sealed partial class EmptyDataTemplatePage : Page
+						{
+							public EmptyDataTemplatePage()
+							{
+								this.InitializeComponent();
+							}
+						}
+					}
+					"""
+				}
+			},
+			ReferenceAssemblies = _Dotnet.Current.WithUnoPackage(),
+			GlobalConfigOverride = configOverride,
+		}.AddGeneratedSources();
+
+		await test.RunAsync();
+	}
 }
diff --git a/...t/SOSLIIOFEDT/XamlCodeGenerator_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706.cs b/...t/SOSLIIOFEDT/XamlCodeGenerator_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706.cs
@@ -0,0 +1,240 @@
+// <autogenerated />
+#pragma warning disable CS0114
+#pragma warning disable CS0108
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using Uno.UI;
+using Uno.UI.Xaml;
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
+using Microsoft.UI.Xaml.Data;
+using Microsoft.UI.Xaml.Documents;
+using Microsoft.UI.Xaml.Media;
+using Microsoft.UI.Xaml.Media.Animation;
+using Microsoft.UI.Xaml.Shapes;
+using Windows.UI.Text;
+using Uno.Extensions;
+using Uno;
+using Uno.UI.Helpers;
+using Uno.UI.Helpers.Xaml;
+using MyProject;
+
+#if __ANDROID__
+using _View = Android.Views.View;
+#elif __IOS__
+using _View = UIKit.UIView;
+#elif __MACOS__
+using _View = AppKit.NSView;
+#else
+using _View = Microsoft.UI.Xaml.UIElement;
+#endif
+
+namespace TestRepro
+{
+	partial class EmptyDataTemplatePage : global::Microsoft.UI.Xaml.Controls.Page
+	{
+		[global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
+		private const string __baseUri_prefix_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706 = "ms-appx:///TestProject/";
+		[global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
+		private const string __baseUri_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706 = "ms-appx:///TestProject/";
+		private global::Microsoft.UI.Xaml.NameScope __nameScope = new global::Microsoft.UI.Xaml.NameScope();
+		private void InitializeComponent()
+		{
+			NameScope.SetNameScope(this, __nameScope);
+			var __that = this;
+			base.IsParsing = true;
+			Resources[
+			"MyEmptyTemplate"
+			] = 
+			new global::Uno.UI.Xaml.WeakResourceInitializer(this, __ResourceOwner_1 => 
+			{
+				return 
+					new global::Microsoft.UI.Xaml.DataTemplate(					)					.GenericApply(__that, __nameScope, (ApplyMethod_0					))
+				;
+			}
+			)
+			;
+			// Source 0\EmptyDataTemplatePage.xaml (Line 1:3)
+			base.Content = 
+			new global::Microsoft.UI.Xaml.Controls.StackPanel
+			{
+				IsParsing = true,
+				// Source 0\EmptyDataTemplatePage.xaml (Line 11:3)
+				Children = 
+				{
+					new global::Microsoft.UI.Xaml.Controls.ListView
+					{
+						IsParsing = true,
+						// Source 0\EmptyDataTemplatePage.xaml (Line 12:4)
+					}
+					.GenericApply(__that, __nameScope, (ApplyMethod_1					))
+					,
+					new global::Microsoft.UI.Xaml.Controls.Button
+					{
+						IsParsing = true,
+						Name = "ButtonWithEmptyDataTemplate",
+						ContentTemplate = 						new global::Microsoft.UI.Xaml.DataTemplate(						)						.GenericApply(__that, __nameScope, (ApplyMethod_2						))
+						,
+						// Source 0\EmptyDataTemplatePage.xaml (Line 13:4)
+					}
+					.GenericApply(__that, __nameScope, (ApplyMethod_3					))
+					,
+				}
+			}
+			.GenericApply(__that, __nameScope, (ApplyMethod_4			))
+			;
+
+			this
+			.GenericApply(__that, __nameScope, (ApplyMethod_5			))
+			.GenericApply(__that, __nameScope, (ApplyMethod_6			))
+			;
+			OnInitializeCompleted();
+
+			Bindings = new EmptyDataTemplatePage_Bindings(this);
+			((global::Microsoft.UI.Xaml.FrameworkElement)this).Loading += __UpdateBindingsAndResources;
+		}
+		partial void OnInitializeCompleted();
+		private void __UpdateBindingsAndResources(global::Microsoft.UI.Xaml.FrameworkElement s, object e)
+		{
+			this.Bindings.UpdateResources();
+		}
+							private void ApplyMethod_0(global::System.Object __p1, EmptyDataTemplatePage __that, global::Microsoft.UI.Xaml.NameScope __nameScope)
+					{
+						global::Uno.UI.Helpers.MarkupHelper.SetElementProperty(__p1, "OriginalSourceLocation", "file:///C:/Project/0/EmptyDataTemplatePage.xaml#L7:4");
+					}
+
+							private void ApplyMethod_1(global::Microsoft.UI.Xaml.Controls.ListView __p1, EmptyDataTemplatePage __that, global::Microsoft.UI.Xaml.NameScope __nameScope)
+					{
+						/* _isTopLevelDictionary:False */
+						__that._component_0 = __p1;
+						global::Uno.UI.ResourceResolverSingleton.Instance.ApplyResource(__p1, global::Microsoft.UI.Xaml.Controls.ListView.ItemTemplateProperty, "MyItemTemplate", isThemeResourceExtension: false, isHotReloadSupported: true, context: global::MyProject.GlobalStaticResources.__ParseContext_);
+						global::Uno.UI.FrameworkElementHelper.SetBaseUri(__p1, __baseUri_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706, "file:///C:/Project/0/EmptyDataTemplatePage.xaml", 12, 4);
+						__p1.CreationComplete();
+					}
+
+								private void ApplyMethod_2(global::System.Object __p1, EmptyDataTemplatePage __that, global::Microsoft.UI.Xaml.NameScope __nameScope)
+						{
+							global::Uno.UI.Helpers.MarkupHelper.SetElementProperty(__p1, "OriginalSourceLocation", "file:///C:/Project/0/EmptyDataTemplatePage.xaml#L15:6");
+						}
+
+							private void ApplyMethod_3(global::Microsoft.UI.Xaml.Controls.Button __p1, EmptyDataTemplatePage __that, global::Microsoft.UI.Xaml.NameScope __nameScope)
+					{
+						__nameScope.RegisterName("ButtonWithEmptyDataTemplate", __p1);
+						__that.ButtonWithEmptyDataTemplate = __p1;
+						global::Uno.UI.FrameworkElementHelper.SetBaseUri(__p1, __baseUri_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706, "file:///C:/Project/0/EmptyDataTemplatePage.xaml", 13, 4);
+						__p1.CreationComplete();
+					}
+
+					private void ApplyMethod_4(global::Microsoft.UI.Xaml.Controls.StackPanel __p1, EmptyDataTemplatePage __that, global::Microsoft.UI.Xaml.NameScope __nameScope)
+			{
+				global::Uno.UI.FrameworkElementHelper.SetBaseUri(__p1, __baseUri_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706, "file:///C:/Project/0/EmptyDataTemplatePage.xaml", 11, 3);
+				__p1.CreationComplete();
+			}
+
+					private void ApplyMethod_5(global::Microsoft.UI.Xaml.Controls.Page __p1, EmptyDataTemplatePage __that, global::Microsoft.UI.Xaml.NameScope __nameScope)
+			{
+				// Source 0\EmptyDataTemplatePage.xaml (Line 1:3)
+
+				// WARNING Property __p1.base does not exist on {http://schemas.microsoft.com/winfx/2006/xaml/presentation}Page, the namespace is http://www.w3.org/XML/1998/namespace. This error was considered irrelevant by the XamlFileGenerator
+			}
+
+					private void ApplyMethod_6(global::Microsoft.UI.Xaml.Controls.Page __p1, EmptyDataTemplatePage __that, global::Microsoft.UI.Xaml.NameScope __nameScope)
+			{
+				/* _isTopLevelDictionary:False */
+				__that._component_1 = __p1;
+				// Class TestRepro.EmptyDataTemplatePage
+				global::Uno.UI.ResourceResolverSingleton.Instance.ApplyResource(__p1, global::Microsoft.UI.Xaml.Controls.Page.BackgroundProperty, "ApplicationPageBackgroundThemeBrush", isThemeResourceExtension: true, isHotReloadSupported: true, context: global::MyProject.GlobalStaticResources.__ParseContext_);
+				global::Uno.UI.FrameworkElementHelper.SetBaseUri(__p1, __baseUri_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706, "file:///C:/Project/0/EmptyDataTemplatePage.xaml", 1, 3);
+				__p1.CreationComplete();
+			}
+
+		private global::Microsoft.UI.Xaml.Data.ElementNameSubject _ButtonWithEmptyDataTemplateSubject { get; set; } = new global::Microsoft.UI.Xaml.Data.ElementNameSubject();
+		private global::Microsoft.UI.Xaml.Controls.Button ButtonWithEmptyDataTemplate
+		{
+			get
+			{
+				return (global::Microsoft.UI.Xaml.Controls.Button)_ButtonWithEmptyDataTemplateSubject.ElementInstance;
+			}
+			set
+			{
+				_ButtonWithEmptyDataTemplateSubject.ElementInstance = value;
+			}
+		}
+		[global::System.ComponentModel.EditorBrowsable(global::System.ComponentModel.EditorBrowsableState.Never)]
+		[global::System.Runtime.CompilerServices.CreateNewOnMetadataUpdate]
+		private class __EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706_TestReproEmptyDataTemplatePage
+		{
+		}
+		private global::Microsoft.UI.Xaml.Markup.ComponentHolder _component_0_Holder { get; } = new global::Microsoft.UI.Xaml.Markup.ComponentHolder(isWeak: true);
+		private global::Microsoft.UI.Xaml.Controls.ListView _component_0
+		{
+			get
+			{
+				return (global::Microsoft.UI.Xaml.Controls.ListView)_component_0_Holder.Instance;
+			}
+			set
+			{
+				_component_0_Holder.Instance = value;
+			}
+		}
+		private global::Microsoft.UI.Xaml.Markup.ComponentHolder _component_1_Holder { get; } = new global::Microsoft.UI.Xaml.Markup.ComponentHolder(isWeak: true);
+		private global::Microsoft.UI.Xaml.Controls.Page _component_1
+		{
+			get
+			{
+				return (global::Microsoft.UI.Xaml.Controls.Page)_component_1_Holder.Instance;
+			}
+			set
+			{
+				_component_1_Holder.Instance = value;
+			}
+		}
+		private interface IEmptyDataTemplatePage_Bindings
+		{
+			void Initialize();
+			void Update();
+			void UpdateResources();
+			void StopTracking();
+			void NotifyXLoad(string name);
+		}
+		#pragma warning disable 0169 //  Suppress unused field warning in case Bindings is not used.
+		private IEmptyDataTemplatePage_Bindings Bindings;
+		#pragma warning restore 0169
+		[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+		private class EmptyDataTemplatePage_Bindings : IEmptyDataTemplatePage_Bindings
+		{
+			#if UNO_HAS_UIELEMENT_IMPLICIT_PINNING
+			private global::System.WeakReference _ownerReference;
+			private global::TestRepro.EmptyDataTemplatePage Owner { get => (global::TestRepro.EmptyDataTemplatePage)_ownerReference?.Target; set => _ownerReference = new global::System.WeakReference(value); }
+			#else
+			private global::TestRepro.EmptyDataTemplatePage Owner { get; set; }
+			#endif
+			public EmptyDataTemplatePage_Bindings(global::TestRepro.EmptyDataTemplatePage owner)
+			{
+				Owner = owner;
+			}
+			void IEmptyDataTemplatePage_Bindings.NotifyXLoad(string name)
+			{
+			}
+			void IEmptyDataTemplatePage_Bindings.Initialize()
+			{
+			}
+			void IEmptyDataTemplatePage_Bindings.Update()
+			{
+				var owner = Owner;
+			}
+			void IEmptyDataTemplatePage_Bindings.UpdateResources()
+			{
+				var owner = Owner;
+				owner._component_0.UpdateResourceBindings();
+				owner._component_1.UpdateResourceBindings();
+			}
+			void IEmptyDataTemplatePage_Bindings.StopTracking()
+			{
+			}
+		}
+	}
+}
diff --git a/...s.Tests/XamlCodeGeneratorTests/Out/SOSLIIOFEDT/XamlCodeGenerator_GlobalStaticResources.cs b/...s.Tests/XamlCodeGeneratorTests/Out/SOSLIIOFEDT/XamlCodeGenerator_GlobalStaticResources.cs
@@ -0,0 +1,59 @@
+// <autogenerated />
+namespace MyProject
+{
+	/// <summary>
+	/// Contains all the static resources defined for the application
+	/// </summary>
+	[global::System.Runtime.CompilerServices.CreateNewOnMetadataUpdate]
+	public sealed partial class GlobalStaticResources
+	{
+		static bool _initialized;
+		private static bool _stylesRegistered;
+		private static bool _dictionariesRegistered;
+		internal static global::Uno.UI.Xaml.XamlParseContext __ParseContext_ { get; } = new global::Uno.UI.Xaml.XamlParseContext()
+		{
+			AssemblyName = "TestProject",
+		}
+		;
+
+		static GlobalStaticResources()
+		{
+			Initialize();
+		}
+		public static void Initialize()
+		{
+			if (!_initialized)
+			{
+				_initialized = true;
+				global::Uno.UI.Toolkit.GlobalStaticResources.Initialize();
+				global::Uno.UI.GlobalStaticResources.Initialize();
+				global::Uno.UI.Toolkit.GlobalStaticResources.RegisterDefaultStyles();
+				global::Uno.UI.GlobalStaticResources.RegisterDefaultStyles();
+				global::Uno.UI.Toolkit.GlobalStaticResources.RegisterResourceDictionariesBySource();
+				global::Uno.UI.GlobalStaticResources.RegisterResourceDictionariesBySource();
+			}
+		}
+		public static void RegisterDefaultStyles()
+		{
+			if(!_stylesRegistered)
+			{
+				_stylesRegistered = true;
+				RegisterDefaultStyles_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706();
+			}
+		}
+		// Register ResourceDictionaries using ms-appx:/// syntax, this is called for external resources
+		public static void RegisterResourceDictionariesBySource()
+		{
+			if(!_dictionariesRegistered)
+			{
+				_dictionariesRegistered = true;
+			}
+		}
+		// Register ResourceDictionaries using ms-resource:/// syntax, this is called for local resources
+		internal static void RegisterResourceDictionariesBySourceLocal()
+		{
+		}
+		static partial void RegisterDefaultStyles_EmptyDataTemplatePage_0f836ad6c048ef5ac0e673406e3c3706();
+
+	}
+}
diff --git a/...s.Tests/XamlCodeGeneratorTests/Out/SOSLIIOFEDT/XamlCodeGenerator_LocalizationResources.cs b/...s.Tests/XamlCodeGeneratorTests/Out/SOSLIIOFEDT/XamlCodeGenerator_LocalizationResources.cs
@@ -0,0 +1,2 @@
+// <auto-generated />
+[assembly: global::System.Reflection.AssemblyMetadata("UnoHasLocalizationResources", "False")]
diff --git a/...eGenerators/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Verifiers/CSGenerator.cs b/...eGenerators/Uno.UI.SourceGenerators.Tests/XamlCodeGeneratorTests/Verifiers/CSGenerator.cs
@@ -1,8 +1,6 @@
-#if DEBUG
-// Uncomment the following line to write expected files to disk
+// Uncomment the following line to write expected files to disk
 // Don't commit this line uncommented.
 // #define WRITE_EXPECTED
-#endif
 
 using System.Collections.Immutable;
 using System.Diagnostics;
@@ -16,6 +14,11 @@
 using Uno.UI.SourceGenerators.MetadataUpdates;
 using Uno.UI.SourceGenerators.XamlGenerator;
 
+#if !DEBUG && WRITE_EXPECTED
+#error Cannot commit with #define WRITE_EXPECTED
+#endif
+
+
 namespace Uno.UI.SourceGenerators.Tests.Verifiers
 {
 	public record struct XamlFile(string FileName, string Contents);
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		// <auto-generated />
		[assembly: global::System.Reflection.AssemblyMetadata("UnoHasLocalizationResources", "False")]