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ziffers-python/ziffers/ziffers.lark

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?value: root
root: (pc | dur_change | oct_mod | oct_change | WS | chord | cycle | randompitch | range | list | subdivision)*
list: "(" root ")"
randompitch: /\(-?[0-9],-?[0-9]\)/
range: /-?[0-9]\.\.-?[0-9]/
cycle: "<" root ">"
pc: prefix* pitch
pitch: /-?[0-9TE]/
prefix: (octave | duration_chars | escaped_decimal | escaped_octave)
oct_change: escaped_octave WS
escaped_octave: /<-?[0-9]>/
oct_mod: octave WS
octave: /[_^]+/
chord: pc pc+
escaped_decimal: "<" decimal ">"
dur_change: (duration_chars | decimal) WS
duration_chars: dotted_dur+
dotted_dur: dchar dot*
decimal: /-?[0-9]+\.[0-9]+/
dchar: /[mklpdcwyhnqaefsxtgujzo]/
dot: "."
subitems: (pc | WS | chord | cycle | subdivision)*
subdivision: "[" subitems "]"
%import common.SIGNED_NUMBER
%import common.WS