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scientific-coder/add-mult-parser.cljc

Created October 17, 2018 10:47
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add-mult-parser.cljc
(def addmult-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> = number | mult | div
mult= mult-div spaces? <'*'> spaces? number
div= mult-div spaces? <'/'> spaces? number
number= #'-?[0-9]+'
<spaces> = <#'\\s+'>"))
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