94796399e2
Display the history of an issue (which currently is just opening and closing) inline with the issue's comments on the issue show page Change-Id: Id167bceef765cb4c24e86983d1dcd6624d0e5956 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1497 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
106 lines
3.2 KiB
Common Lisp
106 lines
3.2 KiB
Common Lisp
(in-package #:klatre)
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(declaim (optimize (safety 3)))
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(defmacro comment (&rest _))
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(defun posp (n) (> n 0))
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;;; Sequence utilities
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(defun slice (vector start end)
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(make-array (- end start)
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:element-type (array-element-type vector)
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:displaced-to vector
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:displaced-index-offset start))
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(defun chunk-vector (size vector &key start end sharedp)
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(check-type size (integer 1))
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(loop
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with slicer = (if sharedp #'slice #'subseq)
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and low = (or start 0)
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and high = (or end (length vector))
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for s from low below high by size
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for e from (+ low size) by size
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collect (funcall slicer vector s (min e high))))
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(defun chunk-list/unbounded (size list)
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(loop
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for front = list then next
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for next = (nthcdr size front)
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collect (ldiff front next)
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while next))
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(defun chunk-list/bounded (size list upper-limit)
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(loop
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for front = list then next
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for next = (nthcdr (min size upper-limit) front)
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collect (ldiff front next)
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do (decf upper-limit size)
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while (and next (plusp upper-limit))))
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(defun chunk-list (size list &key (start 0) end)
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"Returns successive chunks of list of size SIZE, starting at START and ending
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at END."
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(declare (inline check-list/bounded check-list/simple))
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(check-type size (integer 1))
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(let ((list (nthcdr start list)))
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(when list
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(if end
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(chunk-list/bounded size list (- end start))
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(chunk-list/unbounded size list)))))
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(defun mapconcat (func lst sep)
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"Apply FUNC to each element of LST, and concat the results as strings,
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separated by SEP."
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(check-type lst cons)
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(check-type sep (simple-array character (*)))
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(let ((vs (make-array 0
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:element-type 'character
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:fill-pointer 0
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:adjustable t))
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(lsep (length sep)))
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(mapcar #'(lambda (str)
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(let ((nstr (the (simple-array character (*))
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(funcall func str))))
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(dotimes (j (length nstr) j)
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(vector-push-extend (char nstr (the fixnum j)) vs))
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(dotimes (k lsep k)
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(vector-push-extend (char sep (the fixnum k)) vs))))
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lst)
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vs))
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;;;
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;;; String handling
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;;;
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(defparameter dottime-format
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'((:year 4) #\- (:month 2) #\- (:day 2)
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#\T
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(:hour 2) #\· (:min 2) "+00") ; TODO(grfn): Allow passing offset
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"`:LOCAL-TIME' format specifier for dottime")
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(defun format-dottime (timestamp)
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"Return TIMESTAMP formatted as dottime, using a +00 offset"
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(check-type timestamp local-time:timestamp)
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(local-time:format-timestring nil timestamp
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:format dottime-format
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:timezone local-time:+utc-zone+))
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(comment
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(format-dottime (local-time:now)))
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(defun try-parse-integer (str)
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"Attempt to parse STR as an integer, returning nil if it is invalid."
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(check-type str string)
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(handler-case (parse-integer str)
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(sb-int:simple-parse-error (_) nil)))
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;;;
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;;; Function utilities
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;;;
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(defun partial (f &rest args)
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"Return a function that calls F with ARGS prepended to any remaining
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arguments"
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(lambda (&rest more-args)
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(apply f (append args more-args))))
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