kit

kit
git clone https://git.ryansepassi.com/git/kit.git
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pratt_calc.ebnf (162B)

      1 %pratt expr {
      2   primary  primary;
      3   infixl   "+" "-";
      4   infixl   "*" "/";
      5   infixr   "^";
      6   prefix   "-" "+";
      7   postfix  "!";
      8 }
      9 
     10 primary = NUMBER | "(" expr ")";