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(gdb-script-font-lock-syntactic-keywords): Improve comments.

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This commit is contained in:
Stefan Monnier 2007-02-10 20:21:28 +00:00
parent 38966db70d
commit 5b0be7fc50
1 changed files with 16 additions and 11 deletions
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27
lisp/progmodes/gud.el
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@ -3177,20 +3177,25 @@ class of the file (using s to separate nested class ids)."
("\\$\\(\\w+\\)" (1 font-lock-variable-name-face))
("^\\s-*\\(\\w\\(\\w\\|\\s_\\)*\\)" (1 font-lock-keyword-face))))
;; FIXME: The keyword "end" associated with "document"
;; should have font-lock-keyword-face (currently font-lock-doc-face).
(defvar gdb-script-font-lock-syntactic-keywords
'(("^document\\s-.*\\(\n\\)" (1 "< b"))
;; It would be best to change the \n in front, but it's more difficult.
("^end\\>"
(0 (progn
(unless (eq (match-beginning 0) (point-min))
(put-text-property (1- (match-beginning 0)) (match-beginning 0)
'syntax-table (eval-when-compile
(string-to-syntax "> b")))
(put-text-property (1- (match-beginning 0)) (match-end 0)
'font-lock-multiline t)
nil))))))
(0 (unless (eq (match-beginning 0) (point-min))
;; We change the \n in front, which is more difficult, but results
;; in better highlighting. If the doc is empty, the single \n is
;; both the beginning and the end of the docstring, which can't be
;; expressed in syntax-tables. Instead, we place the "> b" after
;; placing the "< b", so the start marker is overwritten by the
;; termination marker and in the end Emacs simply considers that
;; there's no docstring at all, which is fine.
(put-text-property (1- (match-beginning 0)) (match-beginning 0)
'syntax-table (eval-when-compile
(string-to-syntax "> b")))
;; Make sure that rehighlighting the previous line won't erase our
;; syntax-table property.
(put-text-property (1- (match-beginning 0)) (match-end 0)
'font-lock-multiline t)
nil)))))
(defun gdb-script-font-lock-syntactic-face (state)
(cond