mirror of
https://github.com/kanaka/mal.git
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42 lines
1.3 KiB
Plaintext
42 lines
1.3 KiB
Plaintext
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(def! spaces- (fn* [indent]
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(if (> indent 0)
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(str " " (spaces- (- indent 1)))
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"")))
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(def! pp-seq- (fn* [obj indent]
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(let* [xindent (+ 1 indent)]
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(apply str (pp- (first obj) 0)
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(map (fn* [x] (str "\n" (spaces- xindent)
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(pp- x xindent)))
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(rest obj))))))
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(def! pp-map- (fn* [obj indent]
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(let* [ks (keys obj)
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kindent (+ 1 indent)
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kwidth (count (seq (str (first ks))))
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vindent (+ 1 (+ kwidth kindent))]
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(apply str (pp- (first ks) 0)
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" "
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(pp- (get obj (first ks)) 0)
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(map (fn* [k] (str "\n" (spaces- kindent)
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(pp- k kindent)
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" "
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(pp- (get obj k) vindent)))
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(rest (keys obj)))))))
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(def! pp- (fn* [obj indent]
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(cond
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(list? obj) (str "(" (pp-seq- obj indent) ")")
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(vector? obj) (str "[" (pp-seq- obj indent) "]")
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(map? obj) (str "{" (pp-map- obj indent) "}")
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:else (pr-str obj))))
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(def! pprint (fn* [obj]
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(println (pp- obj 0))))
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;;(pprint '(7 8 9 "ten" [11 12 [13 14]] 15 16))
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;;(pprint '{:abc 123 :def {:ghi 456 :jkl [789 "ten eleven twelve"]}})
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;;(pprint '(7 8 {:abc 123 :def {:ghi 456 :jkl 789}} 9 10 [11 12 [13 14]] 15 16))
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