ES3Parser.ResolveAssignmentOperator C# (CSharp) Method

        public AssignmentOperator ResolveAssignmentOperator(string op)
        {
        	switch(op)
        	{
        	    case "=" : return AssignmentOperator.Assign;
        	    case "+=" : return AssignmentOperator.Add;
        	    case "-=" : return AssignmentOperator.Substract;
        	    case "*=" : return AssignmentOperator.Multiply;
        	    case "%=" : return AssignmentOperator.Modulo;
        	    case "<<=" : return AssignmentOperator.ShiftLeft;
        	    case ">>=" : return AssignmentOperator.ShiftRight;
        	    case ">>>=" : return AssignmentOperator.UnsignedRightShift;
        	    case "&=" : return AssignmentOperator.And;
        	    case "|=" : return AssignmentOperator.Or;
        	    case "^=" : return AssignmentOperator.XOr;
        	    case "/=" : return AssignmentOperator.Divide;
        	    default : throw new NotSupportedException("Invalid assignment operator: " + op);
        	}
        }