Fix interpolated component rendering type

Discord.Net.ComponentDesigner.sln.DotSettings.user

@@ -76,4 +76,5 @@
 
 
 
+
 	</wpf:ResourceDictionary>

Sandbox/Examples/Spyfall/PackExample.cs

@@ -5,7 +5,7 @@ namespace Sandbox.Examples.Spyfall;
 
 public class PackExample
 {
-    public static MessageComponent CreatePackInfo(
+    public static CXMessageComponent CreatePackInfo(
         Pack pack,
         int locationPage
     ) => cx(
@@ -20,7 +20,7 @@ int locationPage
          """
     );
 
-    public static MessageComponent PageControls(Pack pack, int page)
+    public static CXMessageComponent PageControls(Pack pack, int page)
         => cx(
             $"""
             <row>
@@ -42,7 +42,7 @@ public static MessageComponent PageControls(Pack pack, int page)
             """
         );
 
-    public static MessageComponent Locations(IReadOnlyList<Location> locations, int page)
+    public static CXMessageComponent Locations(IReadOnlyList<Location> locations, int page)
     {
         const int packLocationsPerPage = 3;
 
@@ -67,7 +67,7 @@ public static MessageComponent Locations(IReadOnlyList<Location> locations, int
         );
     }
 
-    public static MessageComponent LocationListItem(Location location, int index, int pageLower)
+    public static CXMessageComponent LocationListItem(Location location, int index, int pageLower)
     {
         var content = cx(
             $"""
@@ -130,7 +130,7 @@ Created by {user.DisplayName}
         );
     }
 
-    public static MessageComponent PackHeader(Pack pack)
+    public static CXMessageComponent PackHeader(Pack pack)
     {
         var packHeaderText = cx(
             $"""

src/Discord.Net.ComponentDesigner.Generator/Diagnostics.cs

@@ -495,5 +495,12 @@ public static Diagnostic CreateParsingDiagnostic(CXDiagnostic diagnostic, Locati
         true
     );
 
-
+    public static readonly DiagnosticDescriptor InvalidInterleavedComponentInCurrentContext = new(
+        "DC0055",
+        "Invalid interpolated component",
+        "'{0}' cannot be used in an expected context of '{1}'",
+        "Components",
+        DiagnosticSeverity.Error,
+        true
+    );
 }

src/Discord.Net.ComponentDesigner.Generator/Graph/CXGraph.cs

@@ -409,13 +409,13 @@ public void UpdateState(ComponentContext context)
             Inner.UpdateState(ref _state, context);
         }
 
-        public string Render(IComponentContext context)
+        public string Render(IComponentContext context, ComponentRenderingOptions options = default)
         {
             if (_render is not null) return _render;
 
             using (context.CreateDiagnosticScope(_diagnostics))
             {
-                return _render = Inner.Render(State, context);
+                return _render = Inner.Render(State, context, options);
             }
         }
 

src/Discord.Net.ComponentDesigner.Generator/Nodes/ComponentContext.cs

@@ -4,6 +4,7 @@
 using Microsoft.CodeAnalysis.Text;
 using System.Collections.Generic;
 using System.Linq;
+using Discord.CX.Nodes.Components;
 
 namespace Discord.CX.Nodes;
 
@@ -29,14 +30,18 @@ public void Dispose()
 
     public List<Diagnostic> GlobalDiagnostics { get; init; } = [];
 
+    public ComponentTypingContext RootTypingContext { get; }
+
     private readonly CXGraph _graph;
 
     private DiagnosticScope _scope;
 
-    public ComponentContext(CXGraph graph)
+    public ComponentContext(CXGraph graph, ComponentTypingContext? typingContext = null)
     {
         _graph = graph;
         _scope = new(GlobalDiagnostics, null, this);
+
+        RootTypingContext = typingContext ?? ComponentTypingContext.Default;
     }
 
     public IDisposable CreateDiagnosticScope(List<Diagnostic> bag)

src/Discord.Net.ComponentDesigner.Generator/Nodes/ComponentNode.cs

@@ -10,10 +10,22 @@
 
 namespace Discord.CX.Nodes;
 
+public delegate string ComponentNodeRenderer<in TState>(
+    TState state,
+    IComponentContext context,
+    ComponentRenderingOptions options = default
+) where TState : ComponentState;
+
+public delegate string ComponentNodeRenderer(
+    ComponentState state,
+    IComponentContext context,
+    ComponentRenderingOptions options = default
+);
+
 public abstract class ComponentNode<TState> : ComponentNode
     where TState : ComponentState
 {
-    public abstract string Render(TState state, IComponentContext context);
+    public abstract string Render(TState state, IComponentContext context, ComponentRenderingOptions options);
 
     public virtual void UpdateState(ref TState state, IComponentContext context)
     {
@@ -27,8 +39,11 @@ public sealed override void UpdateState(ref ComponentState state, IComponentCont
     public sealed override ComponentState? Create(ComponentStateInitializationContext context)
         => CreateState(context);
 
-    public sealed override string Render(ComponentState state, IComponentContext context)
-        => Render((TState)state, context);
+    public sealed override string Render(
+        ComponentState state,
+        IComponentContext context,
+        ComponentRenderingOptions options
+    ) => Render((TState)state, context, options);
 
     public virtual void Validate(TState state, IComponentContext context)
     {
@@ -39,15 +54,10 @@ public sealed override void Validate(ComponentState state, IComponentContext con
         => Validate((TState)state, context);
 }
 
-public delegate string ComponentNodeRenderer<in TState>(TState state, IComponentContext context)
-    where TState : ComponentState;
-
-public delegate string ComponentNodeRenderer(ComponentState state, IComponentContext context);
-
 public abstract class ComponentNode
 {
     protected virtual bool IsUserAccessible => true;
-    
+
     public abstract string Name { get; }
     public virtual IReadOnlyList<string> Aliases { get; } = [];
 
@@ -115,7 +125,11 @@ private bool TryGetPropertyFromName(string name, out ComponentProperty result)
         return false;
     }
 
-    public abstract string Render(ComponentState state, IComponentContext context);
+    public abstract string Render(
+        ComponentState state,
+        IComponentContext context,
+        ComponentRenderingOptions options
+    );
 
     public virtual void UpdateState(ref ComponentState state, IComponentContext context)
     {
@@ -209,7 +223,7 @@ out ComponentNode node
                     continue;
 
                 if (
-                    !InterleavedComponentNode.IsValidInterleavedType(
+                    !ComponentBuilderKindUtils.IsValidComponentBuilderType(
                         methodSymbol.ReturnType,
                         cxSemanticModel.Compilation,
                         out var kind

src/Discord.Net.ComponentDesigner.Generator/Nodes/ComponentRenderingOptions.cs

@@ -0,0 +1,21 @@
+using Discord.CX.Nodes.Components;
+
+namespace Discord.CX.Nodes;
+
+public readonly record struct ComponentRenderingOptions(
+    ComponentTypingContext? TypingContext = null
+)
+{
+    public static readonly ComponentRenderingOptions Default = new();
+}
+
+public readonly record struct ComponentTypingContext(
+    bool CanSplat,
+    ComponentBuilderKind ConformingType
+)
+{
+    public static readonly ComponentTypingContext Default = new(
+        CanSplat: true,
+        ConformingType: ComponentBuilderKind.CollectionOfIMessageComponentBuilders
+    );
+}

src/Discord.Net.ComponentDesigner.Generator/Nodes/ComponentState.cs

@@ -19,6 +19,8 @@ public IReadOnlyList<CXGraph.Node> Children
 
     public bool IsElement => Source is CXElement;
 
+    public bool IsRootNode => OwningNode?.Parent is null;
+
     private readonly Dictionary<ComponentProperty, ComponentPropertyValue> _properties = [];
 
     public ComponentPropertyValue GetProperty(ComponentProperty property)
@@ -167,7 +169,8 @@ public string RenderInitializer(
 
     public string RenderChildren(
         IComponentContext context,
-        Func<CXGraph.Node, bool>? predicate = null
+        Func<CXGraph.Node, bool>? predicate = null,
+        ComponentRenderingOptions options = default
     )
     {
         if (OwningNode is null || !HasChildren) return string.Empty;
@@ -178,7 +181,7 @@ public string RenderChildren(
 
         return string.Join(
             $",{Environment.NewLine}",
-            children.Select(x => x.Render(context))
+            children.Select(x => x.Render(context, options))
         );
     }
 }

src/Discord.Net.ComponentDesigner.Generator/Nodes/Components/ActionRowComponentNode.cs

@@ -21,6 +21,13 @@ public class ActionRowComponentNode : ComponentNode
 
     public override IReadOnlyList<ComponentProperty> Properties { get; }
 
+    private static readonly ComponentRenderingOptions ChildRenderingOptions = new(
+        TypingContext: new(
+            CanSplat: true,
+            ConformingType: ComponentBuilderKind.CollectionOfIMessageComponentBuilders
+        )
+    );
+
     public ActionRowComponentNode()
     {
         Properties =
@@ -63,7 +70,7 @@ public override void Validate(ComponentState state, IComponentContext context)
                         extra.State.Source
                     );
                 }
-                
+
                 break;
             case SelectMenuComponentNode:
                 foreach (var rest in state.Children.Skip(1))
@@ -101,17 +108,21 @@ private static bool IsValidChild(ComponentNode node)
             or SelectMenuComponentNode
             or IDynamicComponentNode;
 
-    public override string Render(ComponentState state, IComponentContext context)
+    public override string Render(
+        ComponentState state,
+        IComponentContext context,
+        ComponentRenderingOptions options
+    )
     {
         var props = state.RenderProperties(this, context, asInitializers: true);
-        var children = state.RenderChildren(context);
+        var children = state.RenderChildren(context, options: ChildRenderingOptions);
 
         var init = new StringBuilder(props);
 
         if (!string.IsNullOrWhiteSpace(children))
         {
             if (!string.IsNullOrWhiteSpace(props)) init.Append(',').AppendLine();
-            
+
             init.Append(
                 $"""
                  Components =
@@ -133,35 +144,11 @@ public override string Render(ComponentState state, IComponentContext context)
               }}
               """;
     }
-    //         => $$"""
-//              new {{context.KnownTypes.ActionRowBuilderType!.ToDisplayString(SymbolDisplayFormat.FullyQualifiedFormat)}}(){{
-//                 $"{
-//                     state
-//                         .RenderProperties(this, context, asInitializers: true)
-//                         .PostfixIfSome(Environment.NewLine)
-//                 }{
-//                     state
-//                         .RenderChildren(context)
-//                         .Map(x =>
-//                             $"""
-//                              Components =
-//                              [
-//                                  {x.WithNewlinePadding(4)}
-//                              ]
-//                              """
-//                         )
-//                 }"
-//                     .TrimEnd()
-//                     .WithNewlinePadding(4)
-//                     .PrefixIfSome($"{Environment.NewLine}{{{Environment.NewLine}".Postfix(4))
-//                     .PostfixIfSome($"{Environment.NewLine}}}")
-//             }}
-//              """;
 }
 
 public sealed class AutoActionRowComponentNode : ActionRowComponentNode
 {
-    public static readonly AutoActionRowComponentNode Instance = new ();
+    public static readonly AutoActionRowComponentNode Instance = new();
     protected override bool IsUserAccessible => false;
 
     public override ComponentState? Create(ComponentStateInitializationContext context)

src/Discord.Net.ComponentDesigner.Generator/Nodes/Components/ButtonComponentNode.cs

@@ -300,7 +300,8 @@ label.Value is not null &&
         base.Validate(state, context);
     }
 
-    public override string Render(ButtonComponentState state, IComponentContext context)
+    public override string Render(ButtonComponentState state, IComponentContext context,
+        ComponentRenderingOptions options)
     {
         string style;