From c1339765b7507615b74a17a970ac0475c678aa9c Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Thu, 23 Jan 2025 21:32:09 +0100
Subject: [PATCH] Fix parsing nested template types in scripting type
 inheritance

---
 .../Bindings/BindingsGenerator.Parsing.cs     | 26 ++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Parsing.cs b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Parsing.cs
index 98675bf6f..b7ab7cb9b 100644
--- a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Parsing.cs
+++ b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.Parsing.cs
@@ -552,15 +552,35 @@ namespace Flax.Build.Bindings
                     if (token.Type == TokenType.LeftAngleBracket)
                     {
                         inheritType.GenericArgs = new List<TypeInfo>();
-                        while (true)
+                        var argStack = new Stack<TypeInfo>();
+                        argStack.Push(inheritType);
+                        TypeInfo lastArg = null;
+                        while (argStack.Count > 0)
                         {
                             token = context.Tokenizer.NextToken();
                             if (token.Type == TokenType.RightAngleBracket)
-                                break;
+                            {
+                                // Go up
+                                argStack.Pop();
+                                lastArg = argStack.Peek();
+                                continue;
+                            }
                             if (token.Type == TokenType.Comma)
                                 continue;
                             if (token.Type == TokenType.Identifier)
-                                inheritType.GenericArgs.Add(new TypeInfo { Type = token.Value });
+                            {
+                                var arg = new TypeInfo { Type = token.Value };
+                                var parent = argStack.Peek();
+                                if (parent.GenericArgs == null)
+                                    parent.GenericArgs = new List<TypeInfo>();
+                                parent.GenericArgs.Add(arg);
+                                lastArg = arg;
+                            }
+                            else if (token.Type == TokenType.LeftAngleBracket)
+                            {
+                                // Go down
+                                argStack.Push(lastArg);
+                            }
                             else
                                 throw new ParseException(ref context, "Incorrect inheritance");
                         }