Large overhaul of pointers to shared_ptrs, implemented function evaluation

src/Evaluator/EvalValues/NumericEvalValue.hpp

@@ -11,13 +11,10 @@ class NumericEvalValue : public EvalValue{
     virtual double GetFloatValue() = 0;
 
 protected:
-    ScriptType* _type;
+    std::shared_ptr<ScriptType> _type;
 public:
-    ~NumericEvalValue() override{
-        delete _type;
-    };
     virtual const bool IsFloat() = 0;
-    ScriptType* GetType() override {
+    std::shared_ptr<ScriptType> GetType() override {
         return _type;
     }
 
@@ -34,7 +31,7 @@ class IntegerEvalValue : public NumericEvalValue{
     double GetFloatValue() final{ throw EvaluationException("Attempting to retrieve float from int eval value."); }
 public:
     explicit IntegerEvalValue(long value){
-        _type = new NumericScriptType(true, false);
+        _type = std::make_shared<NumericScriptType>(true, false);
         _value = value;
     }
     const bool IsFloat() final{
@@ -62,7 +59,7 @@ class FloatEvalValue : public NumericEvalValue{
     double GetFloatValue() final{return _value;}
 public:
     explicit FloatEvalValue(double value){
-        _type = new NumericScriptType(true, true);
+        _type = std::make_shared<NumericScriptType>(true, true);
         _value = value;
     }
     const bool IsFloat() final{