Implements return statement

src/Script.hpp

@@ -20,6 +20,7 @@ class Script {
     Evaluator* _evaluator;
     unordered_map<int, shared_ptr<EvalValue>>* _scriptVariables;
     BoundScriptStatement* _boundScript;
+    shared_ptr<ScriptType> _returnType;
 
     explicit Script();
     void Parse(string script);
@@ -29,6 +30,10 @@ public:
 
     ~Script();
 
+    shared_ptr<ScriptType> GetReturnType(){
+        return _returnType;
+    }
+
     void Evaluate();
 
     EvalValue* GetLastValue();
@@ -36,10 +41,8 @@ public:
     EvalValue* GetVariable(const string& key);
     bool HasVariable(const string& key);
 
-    EvalValue* CallFunction(const string& key, vector<EvalValue*> variables);
+    shared_ptr<EvalValue> CallFunction(const string& key, vector<EvalValue*> variables);
     bool HasFunction(const string& key);
-
-
 };