Handle bound classes as constants during evaluation

src/Evaluator/EvalValues/ScriptFunctionEvalValue.hpp

@@ -38,7 +38,7 @@ public:
         _hash = rand();
     }
 
-    std::shared_ptr<ScriptType> GetType(){
+    std::shared_ptr<ScriptType> GetType() const{
         return _type;
     }
 
@@ -57,7 +57,7 @@ public:
         return this->_hash == ((ScriptFunctionEvalValue*)b)->_hash;
     };
 
-    std::shared_ptr<BoundBlockStatement> GetInnerBlock(){
+    std::shared_ptr<BoundBlockStatement> GetInnerBlock() const{
         return _innerBlock;
     }
 
@@ -65,7 +65,7 @@ public:
         return _hash;
     }
 
-    std::shared_ptr<EvaluationScope> GetScope(){
+    std::shared_ptr<EvaluationScope> GetScope() const{
         return _scope;
     }
 };