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scientific-coder/arith-parser.cljc

Created October 17, 2018 10:57
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arith-parser.cljc
(def arith-parser
(instaparse.core/parser
"prog = spaces? add-sub spaces?
<add-sub> = mult-div | add | sub
add = add-sub spaces? <'+'> spaces? mult-div
sub = add-sub spaces? <'-'> spaces? mult-div
<mult-div> = term | mult | div
mult = mult-div spaces? <'*'> spaces? term
div = mult-div spaces? <'/'> spaces? term
<term> = number | <'('> add-sub <')'>
<spaces> = <#'\\s'+>
number = #'-?[0-9]+'"))
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