Moved Scalar Variable to its own class

Scalar.cpp

@@ -2,14 +2,14 @@
 #include <iostream>
 #include <map>
 
-#include "Variable.h"
+#include "ScalarVariable.h"
 
 using namespace std;
 
 void yyerror(std::string s);
 int yyparse (void);
 
-map<string, Variable*> varTable;
+map<string, ScalarVariable*> varTable;
 
 /**
 * Converts a string into a double.
@@ -42,7 +42,7 @@ string num2str(double val){
 * @return value, for convienace.
 */
 string setValue(string name, string value){
-	if(varTable.count(name)==0)varTable[name]=new Variable(name);
+	if(varTable.count(name)==0)varTable[name]=new ScalarVariable(name);
 	varTable[name]->SetValue(value);
 	return value;
 }//end setValue

ScalarVariable.cpp

@@ -0,0 +1,29 @@
+/*
+ * ScalarVariable.cpp
+ *
+ *  Created on: Apr 26, 2013
+ *      Author: jimtahu
+ */
+
+#include "ScalarVariable.h"
+
+ScalarVariable::ScalarVariable(string name):Variable(name){
+	this->Value="";
+}
+
+ScalarVariable::ScalarVariable(ScalarVariable &other):Variable(other){
+	this->Value=other.GetValue();
+}
+
+string ScalarVariable::GetValue(void){
+	return this->Value;
+}
+
+void ScalarVariable::SetValue(string value){
+	this->Value=value;
+}
+
+ScalarVariable::~ScalarVariable() {
+	// TODO Auto-generated destructor stub
+}
+

ScalarVariable.h

@@ -0,0 +1,23 @@
+/*
+ * ScalarVariable.h
+ *
+ *  Created on: Apr 26, 2013
+ *      Author: jimtahu
+ */
+
+#ifndef SCALARVARIABLE_H_
+#define SCALARVARIABLE_H_
+
+#include "Variable.h"
+
+class ScalarVariable: public Variable {
+	string Value;
+public:
+	ScalarVariable(string name);
+	ScalarVariable(ScalarVariable &other);
+	string GetValue();
+	void SetValue(string value);
+	virtual ~ScalarVariable();
+};
+
+#endif /* SCALARVARIABLE_H_ */

Variable.cpp

@@ -13,21 +13,12 @@ Variable::Variable(string name){
 
 Variable::Variable(Variable &other){
 	this->Name=other.GetName();
-	this->Value=other.GetValue();
 }
 
 string Variable::GetName(void){
 	return this->Name;
 }
 
-string Variable::GetValue(void){
-	return this->Value;
-}
-
-void Variable::SetValue(string value){
-	this->Value=value;
-}
-
 Variable::~Variable(){
 	// TODO Auto-generated destructor stub
 }

Variable.h

@@ -15,13 +15,10 @@ using namespace std;
 class Variable {
 private:
 	string Name;
-	string Value;
 public:
 	Variable(string name);
 	Variable(Variable &other);
 	virtual string GetName();
-	virtual string GetValue();
-	virtual void SetValue(string value);
 	virtual ~Variable();
 };