kit

kit
git clone https://git.ryansepassi.com/git/kit.git
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features.ebnf (445B)

      1 %token WHILE = "while";
      2 %token FOR_EACH = "for_each";
      3 
      4 %lex {
      5   %skip WS = [ \t\r\n] [ \t\r\n]*;
      6 
      7   DQUOTE = "\"";
      8   NUMBER = [0-9] [0-9]*;
      9   IDENT = [A-Za-z_] [A-Za-z0-9_]*;
     10 }
     11 
     12 %lex string {
     13   STR_TEXT = [A-Za-z] [A-Za-z]*;
     14   STR_END = "\"";
     15 }
     16 
     17 features = ("while" | "for_each") numbers ";" names;
     18 numbers  = NUMBER number_rest?;
     19 number_rest = "," number_after_comma;
     20 number_after_comma = NUMBER number_rest? | %empty;
     21 names    = IDENT IDENT*;