From 2b7f34515a837ea02ebd19be3326b490f33ad012 Mon Sep 17 00:00:00 2001
From: Mattes D <github@xoft.cz>
Date: Fri, 31 Oct 2014 19:25:31 +0100
Subject: [PATCH] cLuaState: Fixed errors on non-existent callbacks.

This mostly affected table-based callbacks, such as the cLineBlockTracer. If a callback didn't exist, the code would still push its arguments on the stack, breaking the next callback.
---
 src/Bindings/LuaState.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h
index d1e9923b4..c13e36188 100644
--- a/src/Bindings/LuaState.h
+++ b/src/Bindings/LuaState.h
@@ -247,7 +247,11 @@ public:
 	template <typename FnT, typename... Args>
 	bool Call(const FnT & a_Function, Args &&... args)
 	{
-		PushFunction(a_Function);
+		if (!PushFunction(a_Function))
+		{
+			// Pushing the function failed
+			return false;
+		}
 		return PushCallPop(args...);
 	}