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Protect match data when getting syntax-ppss info #227

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Protect match data when getting syntax-ppss info #227

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23 changes: 12 additions & 11 deletions elsa-dependencies.el
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Original file line number Diff line number Diff line change
Expand Up @@ -89,17 +89,18 @@ The bottom layer is the last in the list."
"'" (group (+? (or word (syntax symbol))))
(*? whitespace) ")")
nil t)
(unless (or (nth 4 (syntax-ppss))
(and (< 0 (car (syntax-ppss)))
(not (and (= 1 (car (syntax-ppss)))
(save-excursion
(backward-up-list)
(down-list)
(looking-at-p "eval-"))))) )
(let* ((library-name (match-string 1))
(library (elsa--find-dependency library-name)))
(when library
(push (list library library-name) this-file-requires)))))))
(let ((syntax-ppss-data (save-match-data (syntax-ppss))))
(unless (or (nth 4 syntax-ppss-data)
(and (< 0 (car syntax-ppss-data))
(not (and (= 1 (car syntax-ppss-data))
(save-excursion
(backward-up-list)
(down-list)
(looking-at-p "eval-"))))) )
(let* ((library-name (match-string 1))
(library (elsa--find-dependency library-name)))
(when library
(push (list library library-name) this-file-requires))))))))
(nreverse this-file-requires)))

(defun elsa--get-dep-alist (file &optional current-library state)
Expand Down