Reworked Types Analyzer to auto-register DataLoader.

.vscode/tasks.json

@@ -39,5 +39,23 @@
             },
             "problemMatcher": "$msCompile"
         }
+        {
+            "label": "build hc types analyzer",
+            "command": "dotnet",
+            "type": "shell",
+            "args": [
+                "build",
+                "src/HotChocolate/Core/test/Types.Analyzers.Tests",
+                // Ask dotnet build to generate full paths for file names.
+                "/property:GenerateFullPaths=true",
+                // Do not generate summary otherwise it leads to duplicate errors in Problems panel
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "group": "build",
+            "presentation": {
+                "reveal": "silent"
+            },
+            "problemMatcher": "$msCompile"
+        }
     ]
 }

src/HotChocolate/Core/src/Abstractions/ModuleNameAttribute.cs → src/HotChocolate/Core/src/Abstractions/ModuleAttribute.cs

@@ -7,22 +7,31 @@ namespace HotChocolate;
 /// with the HotChocolate.Types.Analyzers source generators.
 /// </summary>
 [AttributeUsage(AttributeTargets.Assembly)]
-public sealed class ModuleNameAttribute : Attribute
+public sealed class ModuleAttribute : Attribute
 {
     /// <summary>
-    /// Initializes new instance of <see cref="ModuleNameAttribute"/>.
+    /// Initializes new instance of <see cref="ModuleAttribute"/>.
     /// </summary>
     /// <param name="name">
     /// The module name.
     /// </param>
-    public ModuleNameAttribute(string name)
+    /// <param name="options">
+    /// The source generator features.
+    /// </param>
+    public ModuleAttribute(string name, ModuleOptions options = ModuleOptions.Default)
     {
         Name = name;
+        Options = options;
     }
 
     /// <summary>
     /// Gets the module name.
     /// </summary>
     /// <value></value>
     public string Name { get; }
+
+    /// <summary>
+    /// Gets the selected source generator options.
+    /// </summary>
+    public ModuleOptions Options { get; }
 }

src/HotChocolate/Core/src/Abstractions/ModuleOptions.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace HotChocolate;
+
+/// <summary>
+/// The source generator module options.
+/// </summary>
+[Flags]
+public enum ModuleOptions
+{
+    /// <summary>
+    /// Default options.
+    /// </summary>
+    Default = RegisterDataLoader | RegisterTypes,
+
+    /// <summary>
+    /// Register types with the source generated module.
+    /// </summary>
+    RegisterTypes = 1,
+
+    /// <summary>
+    /// Register DataLoader with the source generated module.
+    /// </summary>
+    RegisterDataLoader = 2
+}