AutoRelease better log and null handling

src/utils/MemoryHelpers.hpp

@@ -8,13 +8,18 @@
 namespace Util {
 template <class T, typename... Args>
 struct AutoRelease {
-  AutoRelease(void (*dtor)(T*)) : dtor(dtor) { }
+  AutoRelease(void (*dtor)(T*), const char* name = "") : dtor(dtor), name(name) { }
 
-  AutoRelease(T* (*ctor)(Args...), void (*dtor)(T*), Args... args) : dtor(dtor) {
+  AutoRelease(T* (*ctor)(Args...), void (*dtor)(T*), const char* name = "", Args... args) : dtor(dtor), name(name) {
     thing = ctor(args...);
   }
 
-  T* get() { return thing; }
+  T* get() {
+    if (!thing) {
+      Util::panic("AutoRelease::{} is null!", name);
+    }
+    return thing;
+  }
 
   void Construct(T* (*ctor)(Args...), Args... args) {
     if(thing) {
@@ -36,6 +41,7 @@ struct AutoRelease {
     }
   }
 private:
+  const char* name = "";
   T* thing = nullptr;
   void (*dtor)(T*) = nullptr;
 };