Implements setting table values

src/Evaluator/EvalValues/EvalValue.hpp

@@ -22,16 +22,16 @@ public:
 
     virtual shared_ptr<EvalValue> Clone() = 0;
 
-    virtual long EvaluateInteger(){
+    virtual long EvaluateInteger() const{
         throw EvaluationException("Can't evaluate this EvalValue as integer.");
     }
-    virtual double EvaluateFloat(){
+    virtual double EvaluateFloat() const{
         throw EvaluationException("Can't evaluate this EvalValue as float.");
     }
-    virtual bool EvaluateBool(){
+    virtual bool EvaluateBool() const{
         throw EvaluationException("Can't evaluate this EvalValue as bool.");
     }
-    virtual std::string* EvaluateString(){
+    virtual const std::string* EvaluateString() const {
         throw EvaluationException("Can't evaluate this EvalValue as string.");
     }
 
@@ -40,6 +40,10 @@ public:
     virtual shared_ptr<EvalValue> IndexValue(EvalValue* val){
         throw EvaluationException("Can't index this EvalValue");
     }
+
+    virtual void SetIndexValue(EvalValue *key, shared_ptr<EvalValue> value){
+        throw EvaluationException("Can't index this EvalValue");
+    }
 };
 
 class BooleanEvalValue : public EvalValue{
@@ -58,7 +62,7 @@ public:
         return TypeClass ::Bool;
     }
 
-    bool EvaluateBool() final{
+    bool EvaluateBool() const final{
         return _value;
     }