annotate Syncopation models/text_bnf_syntax.txt @ 8:2c5df6a4a22f

updated music objects, removed old bar definition from rhythm
parser

<piece> ::=   <timesig> <line> | <piece> <line>

<tempo> ::= "QPM{" <digits> "}"

<ticks per quarter> ::= "TPQ{" <digits> "}"

<line> ::= [<barlist>] ["#" <comment-text>] "\n"

<barlist> ::= <time-info> | [<time-info>] <bar> | <barlist> <bar>

<time-info> ::= [<timesig>] [<ticks per quarter>] [<tempo>] 

<timesig> ::= "t{" <digit> "/" <digit> "}"

<bar> ::= "v{" <velocity-sequence> "}" | "y{" <note-sequence> "}"

<note-sequence> ::= <note> | <note-sequence> "," <note>

<note> ::= "(" <digits> "," <digits> "," <digits> ")"

<velocity-sequence> ::= <decimal> | <velocity-sequence> "," <decimal>

<decimal> ::= "0" | "1" | "0." <digits>

<digits> ::= <digit> | <digits> <digit>

<digit> ::= "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"