Merge pull request #93 from LilithSilver/t4-genericattributes

Remove Attributes.g.cs source generation in favor of T4 templates

Author: genaray

Arch.System.SourceGenerator/GenericAttributes.cs

@@ -17,20 +17,6 @@ public void Initialize(IncrementalGeneratorInitializationContext context)
     {
         //if (!Debugger.IsAttached) Debugger.Launch();
 
-        // Register the generic attributes 
-        var attributes = $$"""
-            namespace Arch.System.SourceGenerator
-            {
-            #if NET7_0_OR_GREATER
-                {{new StringBuilder().AppendGenericAttributes("All", "All", 25)}}
-                {{new StringBuilder().AppendGenericAttributes("Any", "Any", 25)}}
-                {{new StringBuilder().AppendGenericAttributes("None", "None", 25)}}
-                {{new StringBuilder().AppendGenericAttributes("Exclusive", "Exclusive", 25)}}
-            #endif
-            }
-        """;
-        context.RegisterPostInitializationOutput(ctx => ctx.AddSource("Attributes.g.cs", SourceText.From(attributes, Encoding.UTF8)));
-        
         // Do a simple filter for methods marked with update
         IncrementalValuesProvider<MethodDeclarationSyntax> methodDeclarations = context.SyntaxProvider.CreateSyntaxProvider(
                  static (s, _) => s is MethodDeclarationSyntax { AttributeLists.Count: > 0 },

Arch.System.SourceGenerator/SourceGenerator.cs

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
         <TargetFrameworks>net7.0; net6.0; netstandard2.1</TargetFrameworks>
@@ -32,4 +32,22 @@
         <UnityPublish>true</UnityPublish>
     </PropertyGroup>
 
+    <ItemGroup>
+        <None Update="Templates\GenericAttributes.tt">
+            <Generator>TextTemplatingFileGenerator</Generator>
+            <LastGenOutput>GenericAttributes.cs</LastGenOutput>
+        </None>
+    </ItemGroup>
+    
+    <ItemGroup>
+      <Service Include="{508349b6-6b84-4df5-91f0-309beebad82d}" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <Compile Update="Templates\GenericAttributes.cs">
+        <DesignTime>True</DesignTime>
+        <AutoGen>True</AutoGen>
+        <DependentUpon>GenericAttributes.tt</DependentUpon>
+      </Compile>
+    </ItemGroup>
 </Project>

Arch.System/Arch.System.csproj

@@ -32,6 +32,10 @@ public class AllAttribute : global::System.Attribute
     /// </summary>
     public Type[] ComponentTypes { get; }
 
+    /// <summary>
+    /// Constructs an All attribute with the specified component types.
+    /// </summary>
+    /// <param name="componentTypes">The types of the components that should be present.</param>
     public AllAttribute(params Type[] componentTypes)
     {
         ComponentTypes = componentTypes;
@@ -49,6 +53,10 @@ public class AnyAttribute : global::System.Attribute
     /// </summary>
     public Type[] ComponentTypes { get; }
 
+    /// <summary>
+    /// Constructs an Any attribute with the specified component types.
+    /// </summary>
+    /// <param name="componentTypes">The types of the components that can be present.</param>
     public AnyAttribute(params Type[] componentTypes)
     {
         ComponentTypes = componentTypes;
@@ -67,6 +75,10 @@ public class NoneAttribute : global::System.Attribute
     /// </summary>
     public Type[] ComponentTypes { get; }
 
+    /// <summary>
+    /// Constructs a None attribute with the specified component types.
+    /// </summary>
+    /// <param name="componentTypes">The types of the components that should not be present.</param>
     public NoneAttribute(params Type[] componentTypes)
     {
         ComponentTypes = componentTypes;
@@ -79,12 +91,15 @@ public NoneAttribute(params Type[] componentTypes)
 [global::System.AttributeUsage(global::System.AttributeTargets.Method, AllowMultiple = true)]
 public class ExclusiveAttribute : global::System.Attribute
 {
-
     /// <summary>
     /// The types of the component.
     /// </summary>
     public Type[] ComponentTypes { get; }
 
+    /// <summary>
+    /// Constructs an exclusive attribute with the specified component types.
+    /// </summary>
+    /// <param name="componentTypes">The types of the components that should be present exclusively.</param>
     public ExclusiveAttribute(params Type[] componentTypes)
     {
         ComponentTypes = componentTypes;