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Fix: (src) Normalization

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Some argument combinations weren't normalized correctly and could
cause an infinite loop.

This commit doesn't update any corresponding tests, because they are
being rearranged in the WIP branch where this commit originates, and
teasing them out wouldn't be worth it.
This commit is contained in:
Adam Porter 2022-06-09 22:10:27 -05:00
parent c7fab9dfce
commit d4f2eb760e
1 changed files with 18 additions and 16 deletions
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34
org-ql.el
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@ -1668,22 +1668,24 @@ If keyword argument LANG is non-nil, the block must be in that
language."
:normalizers ((`(,predicate-names . ,args)
;; Rewrite to use keyword args.
(-let (regexps lang keyword-index)
(cond ((plist-get args :lang)
;; Lang given first, or only lang given.
(setf lang (plist-get args :lang)
regexps (seq-difference args (list :lang lang))))
((setf keyword-index (-find-index #'keywordp args))
;; Regexps and lang given.
(setf lang (plist-get (cl-subseq args keyword-index) :lang)
regexps (cl-subseq args 0 keyword-index)))
(t ;; Only regexps given.
(setf regexps args)))
(when regexps
;; This feels awkward and wrong, but we have to quote lists
;; and avoid quoting nil. There must be a better way.
(setf regexps `(',regexps)))
`(src :lang ,lang :regexps ,@regexps))))
(cond ((cl-every #'stringp args)
;; No keywords, only regexps.
`(src :regexps ,args))
((and (stringp (car args)) (cl-some #'keywordp args))
;; Regexp as first arg with keyword later.
(let* ((keyword-pos (cl-position :lang args))
(regexps (cl-subseq args 0 keyword-pos))
;; We assume that if :lang is given, the string argument follows.
(lang (nth (1+ (cl-position :lang args)) args)))
`(src :lang ,lang
:regexps ,regexps)))
((keywordp (car args))
;; All plist args.
`(src ,@(delq nil
(append (when (plist-get args :lang)
(list :lang (plist-get args :lang)))
(when (plist-get args :regexps)
(list :regexps (plist-get args :regexps))))))))))
:preambles ((`(,predicate-names . ,args)
(list :regexp (org-ql--format-src-block-regexp (plist-get args :lang))
;; Always check contents with predicate.