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(dabbrev--last-case-pattern): New variable.

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(dabbrev-expand): Set it for ordinary expansions;
use it when copying successive words.
This commit is contained in:
Richard M. Stallman 1996-08-07 18:27:20 +00:00
parent 3d52d58a99
commit dea5efcbe3
1 changed files with 20 additions and 12 deletions
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32
lisp/dabbrev.el
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@ -252,6 +252,10 @@ this list.")
;; The buffer we last did a completion in.
(defvar dabbrev--last-completion-buffer nil)
;; Non-nil means we should upcase
;; when copying successive words.
(defvar dabbrev--last-case-pattern nil)
;; Same as dabbrev-check-other-buffers, but is set for every expand.
(defvar dabbrev--check-other-buffers dabbrev-check-other-buffers)
@ -313,8 +317,8 @@ if there is a suitable one already."
(and arg (= (prefix-numeric-value arg) 16)))
(abbrev (dabbrev--abbrev-at-point))
(ignore-case-p (and (eval dabbrev-case-fold-search)
(or (not dabbrev-upcase-means-case-search)
(string= abbrev (downcase abbrev)))))
(or (not dabbrev-upcase-means-case-search)
(string= abbrev (downcase abbrev)))))
(my-obarray dabbrev--last-obarray)
init)
(save-excursion
@ -414,7 +418,8 @@ direction of search to backward if set non-nil.
See also `dabbrev-abbrev-char-regexp' and \\[dabbrev-completion]."
(interactive "*P")
(let (abbrev expansion old direction (orig-point (point)))
(let (abbrev record-case-pattern
expansion old direction (orig-point (point)))
;; abbrev -- the abbrev to expand
;; expansion -- the expansion found (eventually) or nil until then
;; old -- the text currently in the buffer
@ -438,14 +443,7 @@ See also `dabbrev-abbrev-char-regexp' and \\[dabbrev-completion]."
(markerp dabbrev--last-abbrev-location)
(marker-position dabbrev--last-abbrev-location)
(= (point) (1+ dabbrev--last-abbrev-location)))
(let* ((prev-expansion
(buffer-substring-no-properties
(- dabbrev--last-abbrev-location (length dabbrev--last-expansion))
dabbrev--last-abbrev-location))
;; If the previous expansion was upcased.
;; upcase this one too.
(upcase-it
(equal prev-expansion (upcase prev-expansion))))
(progn
;; The "abbrev" to expand is just the space.
(setq abbrev " ")
(save-excursion
@ -466,7 +464,7 @@ See also `dabbrev-abbrev-char-regexp' and \\[dabbrev-completion]."
(setq expansion
(buffer-substring dabbrev--last-expansion-location
(point)))
(if upcase-it
(if dabbrev--last-case-pattern
(setq expansion (upcase expansion)))
;; Record the end of this expansion, in case we repeat this.
@ -481,6 +479,7 @@ See also `dabbrev-abbrev-char-regexp' and \\[dabbrev-completion]."
(if dabbrev-backward-only 1 0)
(prefix-numeric-value arg)))
(setq abbrev (dabbrev--abbrev-at-point))
(setq record-case-pattern t)
(setq old nil)))
;;--------------------------------
@ -520,6 +519,15 @@ See also `dabbrev-abbrev-char-regexp' and \\[dabbrev-completion]."
;; Success: stick it in and return.
(setq buffer-undo-list (cons orig-point buffer-undo-list))
(dabbrev--substitute-expansion old abbrev expansion)
;; If we are not copying successive words now,
;; set dabbrev--last-case-pattern.
(and record-case-pattern
(setq dabbrev--last-case-pattern
(and (eval dabbrev-case-fold-search)
(not dabbrev-upcase-means-case-search)
(equal abbrev (upcase abbrev)))))
;; Save state for re-expand.
(setq dabbrev--last-expansion expansion)
(setq dabbrev--last-abbreviation abbrev)