Create [AttachedBindableProperty<T>] (#3024)

* Rename BindablePropertyAttributeSourceGeneratorTests

* Add BindablePropertyDiagnostic, Update XML Comments

* Remove unused usings

* Replace setter with `init`

* Update formatting

* Finish Class Attribute Tests

* Finish ConstructorAttribute Tests

* Fix typos

* Create AttachedBindablePropertySourceGenerator

* Get AttachedBindableProperty Tests Working

* Fix Failing Unit Tests

* Fix Find + Replace error

* Fix Failing Unit Tests

* Fix Failing Unit Tests

* Add support for nullable reference types

* Add support for Nullable Types

* Update GenerateAttachedBindableProperty_SimpleExample_GeneratesCorrectCode

* Finish Unit Tests

* Add CommunityToolkit.Maui.Accessibility

* Refactor Base Tests

* Add `[MethodImpl(MethodImplOptions.AggressiveInlining)]`

* Update StateContainer.shared.cs

* Add BindablePropertyAccessibility

* Add Support for XML Documentation

* Add Custom XML Documentation Test

* Update StateContainer.shared.cs

* Fix XML Documenation

* Fix Paramref

* Add Benchmarks

* Add Benchmarks

* Update StateContainer Unit Tests

* Rename enum

* Fix Ctrl+F Errors

* Fix Unit Tests

* Move XML Unit Test to IntegrationTests

* Add Missing Properties to `GenerateAttachedBindableProperty_WithAllParameters_GeneratesCorrectCode`

* Fix Copy/Paste error

* Fix Failing Unit Tests

* Convert `isNullable` constructor parameter to `IsNullable` Property

* Use `string?` for and `null` for method name

* Add XML Comments

* Use `global::` for default bindable property

* Update AttachedBindablePropertyAttributeSourceGenerator.cs

* Fix XML Comments

* Add Defaults + Unit Tests

* Disable `EmitCompilerGeneratedFiles`

* Delete CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests.sln

* Remove AI Slop

* Use `AttachedBindableProperty` for test names

* Create `EquatableArray`

* Remove unnecessary namespace

* Add Effective Xml Documentation properties

* Update Records.cs

* Revert "Remove unnecessary namespace"

This reverts commit 5ea2c10.

* Fix Merge Conflicts

* Fix Merge Conflicts

* Add Support for `BindableProperty.CreateAttached()`

* Add XML Comments for AccessModifier

* Resolve CI / CD Failures

Author: TheCodeTraveler

Directory.Build.props

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <Nullable>enable</Nullable>
     <!-- Remove MCTEXP001 once the BindablePropertySourceGenerator is Released and no longer in Experimental -->
-    <NoWarn>NETSDK1023,MCTEXP001</NoWarn> 
+    <NoWarn>NETSDK1023,MCTEXP001</NoWarn>
     <NetVersion>net10.0</NetVersion>
     <LangVersion>preview</LangVersion>
     <ImplicitUsings>enable</ImplicitUsings>
@@ -22,7 +22,7 @@ https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitati
     <NuGetAuditMode>all</NuGetAuditMode>
 
     <!-- MAUI Specific -->
-    <MauiPackageVersion>10.0.20</MauiPackageVersion>
+    <MauiPackageVersion>10.0.30</MauiPackageVersion>
     <MauiStrictXamlCompilation>true</MauiStrictXamlCompilation>
     <SkipValidateMauiImplicitPackageReferences>true</SkipValidateMauiImplicitPackageReferences>
     <MauiEnableXamlCBindingWithSourceCompilation>true</MauiEnableXamlCBindingWithSourceCompilation>

src/CommunityToolkit.Maui.Core/Primitives/Defaults/DockLayoutDefaults.shared.cs

@@ -2,6 +2,7 @@
 
 static class DockLayoutDefaults
 {
+	public const DockPosition DockPosition = Core.DockPosition.None;
 	public const bool ShouldExpandLastChild = true;
 	public const double HorizontalSpacing = 0.0d;
 	public const double VerticalSpacing = 0.0d;

src/CommunityToolkit.Maui.Core/Primitives/Defaults/StateViewDefaults.shared.cs

@@ -0,0 +1,6 @@
+namespace CommunityToolkit.Maui.Core;
+
+static class StateViewDefaults
+{
+	public const string StateKey = "";
+}

src/CommunityToolkit.Maui.SourceGenerators.Benchmarks/AttachedBindablePropertySourceGeneratorBenchmarks.cs

@@ -0,0 +1,40 @@
+using BenchmarkDotNet.Attributes;
+using CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests.AttachedBindablePropertyAttributeSourceGeneratorTests;
+
+namespace CommunityToolkit.Maui.SourceGenerators.Benchmarks;
+
+[MemoryDiagnoser]
+public class AttachedBindablePropertyAttributeSourceGeneratorBenchmarks
+{
+	static readonly AttachedBindablePropertyAttributeSourceGenerator_ClassAttribute_CommonUsageTests commonUsageTests = new();
+	static readonly AttachedBindablePropertyAttributeSourceGenerator_ClassAttribute_EdgeCaseTests edgeCaseTests = new();
+	static readonly AttachedBindablePropertyAttributeSourceGenerator_ClassAttribute_IntegrationTests integrationTests = new();
+
+	[Benchmark]
+	public Task GenerateAttachedBindableProperty_SimpleExample_GeneratesCorrectCode()
+		=> commonUsageTests.GenerateAttachedBindableProperty_SimpleExample_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateAttachedBindableProperty_MultipleProperties_GeneratesCorrectCode()
+		=> commonUsageTests.GenerateAttachedBindableProperty_MultipleProperties_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateAttachedBindableProperty_WithAllParameters_GeneratesCorrectCode()
+		=> commonUsageTests.GenerateAttachedBindableProperty_WithAllParameters_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateAttachedBindableProperty_InternalClass_GeneratesCorrectCode()
+		=> commonUsageTests.GenerateAttachedBindableProperty_InternalClass_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateAttachedBindableProperty_ComplexInheritanceScenario_GeneratesCorrectCode()
+		=> integrationTests.GenerateAttachedBindableProperty_ComplexInheritanceScenario_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateAttachedBindableProperty_NestedClass_GeneratesCorrectCode()
+		=> integrationTests.GenerateAttachedBindableProperty_AttributeOnNestedInnerClass_GeneratesCorrectCode();
+
+	[Benchmark]
+	public Task GenerateAttachedBindableProperty_WithComplexDefaultValues_GeneratesCorrectCode()
+		=> edgeCaseTests.GenerateAttachedBindableProperty_WithComplexDefaultValues_GeneratesCorrectCode();
+}

src/CommunityToolkit.Maui.SourceGenerators.Benchmarks/BindablePropertyAttributeSourceGeneratorBenchmarks.cs

@@ -6,9 +6,9 @@ namespace CommunityToolkit.Maui.SourceGenerators.Benchmarks;
 [MemoryDiagnoser]
 public class BindablePropertyAttributeSourceGeneratorBenchmarks
 {
-	static readonly CommonUsageTests commonUsageTests = new();
-	static readonly EdgeCaseTests edgeCaseTests = new();
-	static readonly IntegrationTests integrationTests = new();
+	static readonly BindablePropertyAttributeSourceGenerator_CommonUsageTests commonUsageTests = new();
+	static readonly BindablePropertyAttributeSourceGenerator_EdgeCaseTests edgeCaseTests = new();
+	static readonly BindablePropertyAttributeSourceGenerator_IntegrationTests integrationTests = new();
 
 	[Benchmark]
 	public Task GenerateBindableProperty_SimpleExample_GeneratesCorrectCode()

src/CommunityToolkit.Maui.SourceGenerators.Benchmarks/Program.cs

@@ -9,5 +9,6 @@ public static void Main(string[] args)
 	{
 		var config = DefaultConfig.Instance;
 		BenchmarkRunner.Run<BindablePropertyAttributeSourceGeneratorBenchmarks>(config, args);
+		BenchmarkRunner.Run<AttachedBindablePropertyAttributeSourceGeneratorBenchmarks>(config, args);
 	}
 }