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(ns instaparse.repeat-test
(:require #?(:clj [clojure.test :refer [deftest are]]
:cljs [cljs.test :as t])
[instaparse.core :as insta]
[instaparse.repeat :as repeat])
#?(:cljs (:require-macros [cljs.test :refer [are deftest]])))
(def user-parser
"content = user-block*
user-block = (user before-section after-section < blank-line* >)
user = prefix separator number separator name newline
before-section = < before > lines error-line*
after-section = < after > lines
<before> = < 'BEFORE' newline >
<after> = < 'AFTER' newline >
<prefix> = < 'User' >
<lines> = line*
<line> = <#'\\s+'> subscription newline
<error-line> = ( '(no dates!)' | 'FIXUP!' ) newline
blank-line = #'\\s*\n'
name = #'.*'
(*WIP why infinite loop?*)
subscription = !prefix #'.*?(?=\\s+-)' < separator > date
date = #'.*'
<newline> = <'\n'>
<separator> = <#'[ -]+'>
number = #'[0-9]+'
")
(deftest memory-optimize-test
(are [grammar text optimize?]
(let [parser (insta/parser grammar)
parser-enlive (insta/parser grammar :output-format :enlive)
tree1 (parser text)
tree2 (parser text :optimize :memory)
tree3 (parser-enlive text)
tree4 (parser-enlive text :optimize :memory)]
(and (= tree1 tree2) (= tree3 tree4)
(= optimize? (repeat/used-memory-optimization? tree2))
(= optimize? (repeat/used-memory-optimization? tree4))))
;user-parser text true
"S = 'ab'*" "ababab" true
"S = 'ab'*" "abababd" false
"S = 'ab'*" "" false
"<S> = 'ab'*" "ababab" true
"<S> = 'ab'*" "abababd" false
"<S> = 'ab'*" "" false
"S = <'ab'>*" "ababab" false
"S = <'ab'*>" "ababab" false
"S = A*; A = 'a'" "aaaa" true
"S = A*; A = 'a'" "aaaad" false
"S = A*; A = 'a'" "" false
"<S> = A*; A = 'a'" "aaaa" true
"<S> = A*; A = 'a'" "aaaad" false
"<S> = A*; A = 'a'" "" false
"S = <A>*; A = 'a'" "aaaa" false
"S = <A*>; A = 'a'" "aaaa" false
"S = 'ab'+" "ababab" true
"S = 'ab'+" "abababd" false
"S = 'ab'+" "" false
"<S> = 'ab'+" "ababab" true
"<S> = 'ab'+" "abababd" false
"<S> = 'ab'+" "" false
"S = <'ab'>+" "ababab" false
"S = <'ab'+>" "ababab" false
"S = A+; A = 'a'" "aaaa" true
"S = A+; A = 'a'" "aaaad" false
"S = A+; A = 'a'" "" false
"<S> = A+; A = 'a'" "aaaa" true
"<S> = A+; A = 'a'" "aaaad" false
"<S> = A+; A = 'a'" "" false
"S = <A>+; A = 'a'" "aaaa" false
"S = <A+>; A = 'a'" "aaaa" false
"S = 'c' 'ab'*" "cababab" true
"S = 'c' 'ab'*" "cabababd" false
"S = 'c' 'ab'*" "dababab" false
"S = 'c' 'ab'*" "c" false
"S = 'c' 'ab'*" "" false
"<S> = 'c' 'ab'*" "cababab" true
"<S> = 'c' 'ab'*" "cabababd" false
"<S> = 'c' 'ab'*" "dcababab" false
"<S> = 'c' 'ab'*" "c" false
"<S> = 'c' 'ab'*" "" false
"S = 'c' <'ab'>*" "cababab" false
"S = 'c' <'ab'*>" "cababab" false
"S = <'c'> <'ab'>*" "cababab" false
"S = <'c'> 'ab'*" "cababab" false
"S = 'c' A*; A = 'a'" "caaaa" true
"S = 'c' A*; A = 'a'" "caaaad" false
"S = 'c' A*; A = 'a'" "dcaaaad" false
"S = 'c' A*; A = 'a'" "c" false
"<S> = 'c' A*; A = 'a'" "caaaa" true
"<S> = 'c' A*; A = 'a'" "caaaad" false
"<S> = 'c' A*; A = 'a'" "daaaad" false
"<S> = 'c' A*; A = 'a'" "c" false
"S = 'c' <A>*; A = 'a'" "caaaa" false
"S = 'c' <A*>; A = 'a'" "caaaa" false
"S = 'c' 'ab'+" "cababab" true
"S = 'c' 'ab'+" "dababab" false
"S = 'c' 'ab'+" "abababd" false
"S = 'c' 'ab'+" "c" false
"S = 'c' 'ab'+" "" false
"<S> = 'c' 'ab'+" "cababab" true
"<S> = 'c' 'ab'+" "cabababd" false
"<S> = 'c' 'ab'+" "dcababab" false
"<S> = 'c' 'ab'+" "c" false
"<S> = 'c' 'ab'+" "" false
"S = 'c' <'ab'>+" "cababab" false
"S = 'c' <'ab'+>" "cababab" false
"S = <'c'> <'ab'>+" "cababab" false
"S = <'c'> 'ab'+" "cababab" false
"S = 'c' A+; A = 'a'" "caaaa" true
"S = 'c' A+; A = 'a'" "caaaad" false
"S = 'c' A+; A = 'a'" "dcaaaa" false
"S = 'c' A+; A = 'a'" "c" false
"<S> = 'c' A+; A = 'a'" "caaaa" true
"<S> = 'c' A+; A = 'a'" "caaaad" false
"<S> = 'c' A+; A = 'a'" "dcaaaa" false
"<S> = 'c' A+; A = 'a'" "c" false
"S = 'c' <A>+; A = 'a'" "caaaa" false
"S = 'c' <A+>; A = 'a'" "caaaa" false
"S = C A+; C = 'c'; A = 'a'" "caaaa" true
"S = C A+; C = 'c'; <A> = 'a'" "caaaa" true
"S = C A+; <C> = 'c'; A = 'a'" "caaaa" true
"S = C A+; <C> = 'c'; <A> = 'a'" "caaaa" true
"S = <C> A+; C = 'c'; A = 'a'" "caaaa" false
"S = C A+; C = 'c'; A = 'a'" "caaaad" false
"S = C A+; C = 'c'; A = 'a'" "dcaaaa" false
"S = C A+; C = 'c'; A = 'a'" "c" false
"<S> = C A+; C = 'c'; A = 'a'" "caaaa" true
"<S> = <C> A+; C = 'c'; A = 'a'" "caaaa" false
"<S> = C A+; C = 'c'; A = 'a'" "caaaad" false
"<S> = C A+; C = 'c'; A = 'a'" "dcaaaa" false
"<S> = C A+; C = 'c'; A = 'a'" "c" false
"S = C <A>+; C = 'c'; A = 'a'" "caaaa" false
"S = C <A+>; C = 'c'; A = 'a'" "caaaa" false
))
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