hand.grammar

/*
    random
    AcKd
    AK
    AKs
    AKo
    TT+
    77-KK
    QQ,AQs,77,44-22,KK+

    AJs-A9s
    K9o+
*/

@start = range;

range = randomCards | hands;

hands = hand commaHand*;

hand = twoCards | twoRanks | twoRanksSuited | twoRanksUnsuited | openRange | closedRange;

randomCards = 'random';
twoCards = card card;
twoRanks = rank rank;
twoRanksSuited = twoRanks suited;
twoRanksUnsuited = twoRanks unsuited;

suited = 's';
unsuited = 'o';

openRange = twoRanks plus;
closedRange = twoRanks minus twoRanks;

plus = '+';
minis = '-';

commaHand = comma hand;

card = rank suit;

rank = ace | king | queen | jack | ten | nine | eight | seven | six | five | four | three | two;

ace = 'A';
king = 'K';
queen = 'Q';
jack = 'J';
ten = 'T';
nine = '9';
eight = '8';
seven = '7';
six = '6';
five = '5';
four = '4';
three = '3';
two = '2';

suit = hearts | diamonds | clubs | spades;

hearts = 'h';
diamonds = 'd';
clubs = 'c';
spades = 's';

comma = ',';