public override void ExitSingle_parameterDeclaration(DecafParser.Single_parameterDeclarationContext context)
 {
     SymbolType theParameterType = getNodeType(context.parameterType());
     Symbol theSymbolRepresentation = new Symbol(theParameterType);
     KeyValuePair<string, Symbol> theKeyValuePairRepresentaion = new KeyValuePair<string, Symbol>(context.Id().GetText(), theSymbolRepresentation);
     theScopeManager.AddSymbol(theKeyValuePairRepresentaion);
     parameterList.Add(theParameterType);
     setNodeSymbolTableEntry(context, theKeyValuePairRepresentaion);
     setNodeType(context, theParameterType);
 }