From d39b6d7120495d2ae1029bd791d3805ff7022c9b Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Mon, 23 May 2022 17:46:26 +0200
Subject: [PATCH] Fix processing `else` and `elif` preprocessor blocks in
 Flax.Build bindings parser

---
 .../Flax.Build/Bindings/BindingsGenerator.cs    | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.cs b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.cs
index 0bff58946..292f07773 100644
--- a/Source/Tools/Flax.Build/Bindings/BindingsGenerator.cs
+++ b/Source/Tools/Flax.Build/Bindings/BindingsGenerator.cs
@@ -361,6 +361,7 @@ namespace Flax.Build.Bindings
                             break;
                         }
                         case "if":
+                        case "elif":
                         {
                             // Parse condition
                             var condition = string.Empty;
@@ -510,6 +511,22 @@ namespace Flax.Build.Bindings
                     case "ifdef":
                         ifsCount++;
                         break;
+                    case "else":
+                        if (ifsCount == 1)
+                        {
+                            // Continue with `else` block
+                            return;
+                        }
+                        break;
+                    case "elif":
+                        if (ifsCount == 1)
+                        {
+                            // Rollback to process conditional block
+                            tokenizer.PreviousToken();
+                            tokenizer.PreviousToken();
+                            return;
+                        }
+                        break;
                     case "endif":
                         ifsCount--;
                         break;