fulling_motor_name.yug

meta:
  id: fulling_motor_name
  title: Changzhou Fulling Motor Co., Ltd. model nameber
  license: Unlicense
  class: regular
doc: A grammar for parsing Changzhou Fulling Motor Co., Ltd. model namebers

chars:
  - id: Three
    lit: "3"
  - id: RestOfDigits
    alt:
      - range: ["0", "2"]
      - range: ["4", "9"]
  - id: Dash
    alt:
      - lit: '-'
      - lit: '–'
  - id: dot
    lit: "."
  - id: A
    lit: A
  - id: B
    lit: B
  - id: C
    lit: C
  - id: E
    lit: E
  - id: F
    lit: F
  - id: G
    lit: G
  - id: H
    lit: H
  - id: I
    lit: I
  - id: K
    lit: K
  - id: L
    lit: L
  - id: M
    lit: M
  - id: P
    lit: P
  - id: R
    lit: R
  - id: S
    lit: S
  - id: T
    lit: T
  - id: V
    lit: V
  - id: W
    lit: W

tokens:
  - id: fl
    seq:
      - ref: F
      - ref: L
  - id: permanent_marker
    seq:
      - ref: P
      - ref: M
  - id: brushless_marker_base
    seq:
      - ref: B
      - ref: L

  - id: rounded_marker
    opt:
      ref: R

  - id: brushless_flat_marker
    opt:
      ref: W


fragmented:
  - id: digit
    alt:
      - ref: RestOfDigits
      - ref: Three

  - id: square_marker
    opt:
      ref: S

  - id: stepper_series
    alt:
      - cap: standard
        ref: T
      - cap: hybrid
        ref: H

  - id: stepper_modifiers_t
    cap: stepper_modifiers
    alt:
      - ref: H # high_torque
      - ref: C # hyper_torque (a.k.a hyper_step, but the docs says that it's just torque higher than high-torque)

  - id: price_performance_or_unknown_C_marker
    opt:
      ref: C

  - id: electrical_unit
    alt:
      - ref: A
      - ref: V

  - id: shafts_count_marker
    alt:
      - ref: A
      - ref: B

  - id: one_or_two_digit_number
    seq:
      - ref: digit
      - opt:
          ref: digit
        prefer: shift

  - id: two_digit_number
    seq:
      - ref: digit
      - ref: digit
    # max: 2 # BUG: emits 1 digit
  - id: three_digit_number
    seq:
      - ref: two_digit_number
      - ref: digit

  - id: two_or_three_digit_number
    seq:
      - ref: two_digit_number
      - opt:
          ref: digit
        prefer: shift

  - id: any_integer
    ref: digit
    min: 1

  - id: fractional_part
    seq:
      - ref: dot
      - opt:
          ref: any_integer

  - id: float_number
    seq:
      - ref: any_integer
      - opt:
          ref: fractional_part

  - id: integrated_electronic_marker
    seq:
      - ref: Dash
      - ref: I
      - ref: E

  - id: brushless_modifier_poles_torque_letter  # usually determines count of poles, A models have more poles (usually 10) than non-lettered models (usually 8), B models have more poles (usually 6) than non-lettered models, but some B models have no A analogues and have 8 poles and C models usually have no analogues and also have 8 poles. 
    alt:
      - ref: A
      - ref: B

  - id: three_phase_marker
    seq:
      - ref: Three
      - ref: P

  - id: hollow_specifier
    seq:
      - ref: Dash
      - ref: H

prods:
  - id: main
    seq:
      - uncap:
          opt:
            ref: fl
      - cap: size
        ref: two_or_three_digit_number
      - ref: type_specific
        cap: typed

  - spacer: 1

  - id: gearbox_specifier
    seq:
      - uncap:
          ref: G
      - cap: ratio
        ref: float_number

  - id: type_specific
    alt:
      - cap: stepper
        ref: stepper_t
      - cap: permanent
        ref: permanent_t
      - cap: brushless
        ref: brushless_t
      - cap: three_phase
        ref: three_phase_t

  - id: three_phase_t
    seq:
      - cap: type_marker
        ref: three_phase_marker
      - cap: motor_body_length
        ref: two_or_three_digit_number
      - cap: suffix
        ref: three_phase_suffix_opt_our

  - id: three_phase_suffix_opt_our
    opt:
      ref: three_phase_suffix_t

  - id: three_phase_suffix_t
    seq:
      - uncap:
          ref: Dash
      - cap: current_per_phase_over_ten
        ref: two_digit_number
      - cap: leads
        ref: two_digit_number
      - cap: shafts_count
        ref: shafts_count_marker_opt_our

  - id: stepper_suffix_t
    seq:
      - uncap:
          ref: Dash
      - cap: suffix_body
        ref: suffix_with_or_without_tail

  - id: suffix_with_or_without_tail
    alt:
      - cap: with_current
        ref: suffix_with_current
      - cap: without_current
        ref: stepper_suffix_tail

  - id: suffix_with_current
    seq:
      - cap: current
        ref: three_digit_number
      - cap: tail
        ref: stepper_suffix_tail


  - id: double_step_rate_marker
    opt:
      ref: M

  - id: encoder_presence_marker
    opt:
      ref: E

  - id: unknown_marker_F
    opt:
      ref: F

  - id: keyway_marker
    opt:
      ref: K

  - id: screwed_shaft_marker
    opt:
      ref: C

  - id: gearbox_specifier_opt_our
    opt:
      ref: gearbox_specifier

  - id: hollow_specifier_opt_our
    opt:
      ref: hollow_specifier

  - id: shafts_count_marker_opt_our
    opt:
      ref: shafts_count_marker

  - id: shafts_count_and_step_rate_any_order_1_t
    seq:
      - cap: shafts_count
        ref: shafts_count_marker_opt_our
      - ref: double_step_rate_marker
        cap: step_rate

  - id: shafts_count_and_step_rate_any_order_2_t
    seq:
      - ref: double_step_rate_marker
        cap: step_rate
      - cap: shafts_count
        ref: shafts_count_marker_opt_our

  - id: shafts_count_and_step_rate_any_order_t
    alt:
      - cap: shafts_count_and_step_rate_any_order_1
        ref: shafts_count_and_step_rate_any_order_1_t
      - cap: shafts_count_and_step_rate_any_order_2
        ref: shafts_count_and_step_rate_any_order_2_t

  - id: stepper_suffix_tail
    seq:
      - cap: variant  # usually determines rated voltage, resistance and phase current
        # For some models determines input count!
        ref: digit
      - cap: shafts_count_and_step_rate_any_order
        ref: shafts_count_and_step_rate_any_order_t
      - ref: encoder_presence_marker
        cap: encoder
      - ref: unknown_marker_F
        cap: unknown_F
      - ref: keyway_marker
        cap: key_way
      - ref: screwed_shaft_marker
        cap: screwed_shaft
      - cap: gearbox
        ref: gearbox_specifier_opt_our
      - cap: hollow
        ref: hollow_specifier_opt_our

  - id: stepper_modifiers_opt_our
    opt:
      ref: stepper_modifiers_t


  - id: stepper_t
    seq:
      - cap: type_marker
        ref: stepper_marker
      - cap: stepper_modifiers
        ref: stepper_modifiers_opt_our
      - cap: motor_body_length
        ref: two_or_three_digit_number
      - cap: suffix
        ref: stepper_suffix_t

  - id: stepper_series_opt_our
    opt:
      ref: stepper_series
    prefer: shift

  - id: stepper_marker
    seq:
      - uncap:
          ref: S
      - cap: series
        ref: stepper_series_opt_our

  - id: permanent_t
    seq:
      - cap: type_marker
        ref: permanent_marker
      - cap: motor_body_length
        ref: two_digit_number
      - cap: suffix
        ref: stepper_suffix_t

  - id: brushless_marker
    seq:
      - cap: is_price_performance
        ref: price_performance_or_unknown_C_marker
      - cap: is_round
        ref: rounded_marker
      - uncap:
          ref: brushless_marker_base
      - cap: is_flat
        ref: brushless_flat_marker
      - cap: is_square
        ref: square_marker
      - cap: is_unknown_C
        ref: price_performance_or_unknown_C_marker

  - id: execution_configuration_t
    seq:
      - uncap:
          ref: Dash
      - cap: number
        ref: any_integer
      - cap: unit
        ref: electrical_unit

  - id: brushless_modifier_variants
    alt:
      - cap: poles_torque
        ref: brushless_modifier_poles_torque
      - cap: length_electronics_electrics
        ref: brushless_modifier_length_electronics_electrics

  - id: brushless_modifier_poles_torque
    seq:
      - cap: poles_or_other
        ref: brushless_modifier_poles_torque_letter
      - cap: variant  # determines torque, sometimes it is arythm progression, but not always
        ref: two_digit_number

  - id: brushless_modifier_length_electronics_electrics
    seq:
      - cap: motor_body_length
        ref: two_or_three_digit_number
      - cap: tail
        ref: brushless_tail_opt_our

  - id: brushless_tail_opt_our
    opt:
      ref: brushless_tail

  - id: brushless_t
    seq:
      - cap: type_marker
        ref: brushless_marker
      - cap: modifier
        ref: brushless_modifier_variants

  - id: brushless_tail
    alt:
      - cap: electronic
        ref: brushless_electronic_tail
      - cap: no_electronic
        ref: execution_configuration_t

  - id: execution_configuration_opt_our
    opt:
      ref: execution_configuration_t

  - id: brushless_electronic_tail
    seq:
      - cap: has_electronics
        ref: integrated_electronic_marker
      - cap: cfg
        ref: execution_configuration_opt_our