gfcs._grammar = {
'<EXPR>' : [
{'become' : '(<EXPR>)<OP>(<EXPR>)', 'p' : 2},
{'become' : '<VAR>', 'p' : 8},
{'become' : '<NUM>', 'p' : 2}
],
'<OP>' : [
{'become' : '+', 'p' : 4},
{'become' : '-', 'p' : 3},
{'become' : '*', 'p' : 3},
{'become' : '/', 'p' : 3},
{'become' : '**', 'p' : 1}
],
'<VAR>' : [
{'become' : 'otsu', 'p' : 5},
{'become' : 'stdev', 'p' : 5},
{'become' : 'mean', 'p' : 5},
{'become' : 'minOtsu', 'p' : 5},
],
'<NUM>' : [
{'become' : '<DIGIT>.<DIGIT>', 'p' : 2},
{'become' : '<DIGIT>', 'p' : 8}
],
'<DIGIT>' : [
{'become' : '<DIGIT><DIGIT>', 'p' : 1},
{'become' : '0', 'p' : 1},
{'become' : '1', 'p' : 1},
{'become' : '2', 'p' : 1},
{'become' : '3', 'p' : 1},
{'become' : '4', 'p' : 1},
{'become' : '5', 'p' : 1},
{'become' : '6', 'p' : 1},
{'become' : '7', 'p' : 1},
{'become' : '8', 'p' : 1},
{'become' : '9', 'p' : 1}
]
}
