Refactor InitializingPropertyName property

Author: stephenquan

src/CommunityToolkit.Maui.SourceGenerators.Internal.UnitTests/BindablePropertyModelTests.cs

@@ -92,6 +92,7 @@ public void BindablePropertyModel_WithAllParameters_StoresCorrectValues()
 		Assert.Equal(hasInitializer, model.HasInitializer);
 		Assert.Equal("TestPropertyProperty", model.BindablePropertyName);
 		Assert.Equal(defaultValueCreatorMethodName, model.EffectiveDefaultValueCreatorMethodName);
+		Assert.Equal("__initializingTestProperty", model.InitializingPropertyName);
 	}
 
 	[Fact]

src/CommunityToolkit.Maui.SourceGenerators.Internal/Generators/BindablePropertyAttributeSourceGenerator.cs

@@ -320,8 +320,7 @@ static void GenerateProperty(StringBuilder sb, in BindablePropertyModel info)
 
 		if (info.HasInitializer)
 		{
-			sb.Append("__initializing")
-				.Append(info.PropertyName)
+			sb.Append(info.InitializingPropertyName)
 				.Append(" ? field : ");
 		}
 
@@ -555,8 +554,7 @@ static string GetFormattedReturnType(ITypeSymbol typeSymbol)
 	static void GenerateInitializingProperty(StringBuilder sb, in BindablePropertyModel info)
 	{
 		sb.Append("bool ")
-			.Append("__initializing")
-			.Append(info.PropertyName)
+			.Append(info.InitializingPropertyName)
 			.Append(" = false;\n");
 	}
 
@@ -579,8 +577,8 @@ static void GenerateDefaultValueMethod(StringBuilder sb, in BindablePropertyMode
 			.Append("{\n")
 			.Append("((")
 			.Append(classNameWithGenerics)
-			.Append(")bindable).__initializing")
-			.Append(info.PropertyName)
+			.Append(")bindable).")
+			.Append(info.InitializingPropertyName)
 			.Append(" = true;\n")
 			.Append("var defaultValue = ")
 			.Append("((")
@@ -590,8 +588,8 @@ static void GenerateDefaultValueMethod(StringBuilder sb, in BindablePropertyMode
 			.Append(";\n")
 			.Append("((")
 			.Append(classNameWithGenerics)
-			.Append(")bindable).__initializing")
-			.Append(info.PropertyName)
+			.Append(")bindable).")
+			.Append(info.InitializingPropertyName)
 			.Append(" = false;\n")
 			.Append("return defaultValue;\n")
 			.Append("}\n");

src/CommunityToolkit.Maui.SourceGenerators.Internal/Models/Records.cs

@@ -8,6 +8,7 @@ record BindablePropertyModel(string PropertyName, ITypeSymbol ReturnType, ITypeS
 	public string BindablePropertyName => $"{PropertyName}Property";
 	public string BindablePropertyKeyName => $"{char.ToLower(PropertyName[0])}{PropertyName[1..]}PropertyKey";
 	public string EffectiveDefaultValueCreatorMethodName => HasInitializer ? $"__createDefault{PropertyName}" : DefaultValueCreatorMethodName;
+	public string InitializingPropertyName => $"__initializing{PropertyName}";
 }
 
 record SemanticValues(ClassInformation ClassInformation, EquatableArray<BindablePropertyModel> BindableProperties);