From 8b2dcf976f5c0101ad891f4fc364fc8b55b173a7 Mon Sep 17 00:00:00 2001
From: WerWolv <werwolv98@gmail.com>
Date: Thu, 3 Mar 2022 13:34:05 +0100
Subject: [PATCH] patterns: Fixed auto parameter crash

---
 lib/libimhex/source/pattern_language/evaluator.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/libimhex/source/pattern_language/evaluator.cpp b/lib/libimhex/source/pattern_language/evaluator.cpp
index 19e212bed..f66a2d2f7 100644
--- a/lib/libimhex/source/pattern_language/evaluator.cpp
+++ b/lib/libimhex/source/pattern_language/evaluator.cpp
@@ -41,7 +41,9 @@ namespace hex::pl {
 
         bool referenceType = false;
 
-        if (type == nullptr) {
+        auto typePattern = type->createPatterns(this);
+
+        if (typePattern.empty()) {
             // Handle auto variables
             if (!value.has_value())
                 LogConsole::abortEvaluation("cannot determine type of auto variable", type);
@@ -64,7 +66,7 @@ namespace hex::pl {
             } else
                 LogConsole::abortEvaluation("cannot determine type of auto variable", type);
         } else {
-            pattern = std::move(type->createPatterns(this).front());
+            pattern = std::move(typePattern.front());
         }
 
         pattern->setVariableName(name);