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cmake-mode.el: Minor clean-up 

Superficial changes to use more conventional Emacs Lisp idioms.
This commit is contained in:
Roy Crihfield 2015-07-23 14:44:30 -04:00 committed by Brad King
parent 280dde34dd
commit 9d5082b26e
1 changed files with 20 additions and 41 deletions
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49
Auxiliary/cmake-mode.el
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@ -71,21 +71,17 @@ set the path with these commands:
;------------------------------------------------------------------------------ ;------------------------------------------------------------------------------
;; ;; Line indentation helper functions
;; Helper functions for line indentation function.
;;
(defun cmake-line-starts-inside-string () (defun cmake-line-starts-inside-string ()
"Determine whether the beginning of the current line is in a string." "Determine whether the beginning of the current line is in a string."
(if (save-excursion (save-excursion
(beginning-of-line) (beginning-of-line)
(let ((parse-end (point))) (let ((parse-end (point)))
(goto-char (point-min)) (goto-char (point-min))
(nth 3 (parse-partial-sexp (point) parse-end)) (nth 3 (parse-partial-sexp (point) parse-end))
) )
) )
t
nil
)
) )
(defun cmake-find-last-indented-line () (defun cmake-find-last-indented-line ()
@ -111,57 +107,40 @@ set the path with these commands:
;; Line indentation function. ;; Line indentation function.
;; ;;
(defun cmake-indent () (defun cmake-indent ()
"Indent current line as CMAKE code." "Indent current line as CMake code."
(interactive) (interactive)
(if (cmake-line-starts-inside-string) (unless (cmake-line-starts-inside-string)
()
(if (bobp) (if (bobp)
(cmake-indent-line-to 0) (cmake-indent-line-to 0)
(let (cur-indent) (let (cur-indent)
(save-excursion (save-excursion
(beginning-of-line) (beginning-of-line)
(let ((point-start (point)) (let ((point-start (point))
(case-fold-search t) ;; case-insensitive (case-fold-search t) ;; case-insensitive
token) token)
; Search back for the last indented line. ; Search back for the last indented line.
(cmake-find-last-indented-line) (cmake-find-last-indented-line)
; Start with the indentation on this line. ; Start with the indentation on this line.
(setq cur-indent (current-indentation)) (setq cur-indent (current-indentation))
; Search forward counting tokens that adjust indentation. ; Search forward counting tokens that adjust indentation.
(while (re-search-forward cmake-regex-token point-start t) (while (re-search-forward cmake-regex-token point-start t)
(setq token (match-string 0)) (setq token (match-string 0))
(if (string-match (concat "^" cmake-regex-paren-left "$") token) (when (or (string-match (concat "^" cmake-regex-paren-left "$") token)
(setq cur-indent (+ cur-indent cmake-tab-width)) (and (string-match cmake-regex-block-open token)
) (looking-at (concat "[ \t]*" cmake-regex-paren-left))))
(if (string-match (concat "^" cmake-regex-paren-right "$") token) (setq cur-indent (+ cur-indent cmake-tab-width)))
(setq cur-indent (- cur-indent cmake-tab-width)) (when (string-match (concat "^" cmake-regex-paren-right "$") token)
) (setq cur-indent (- cur-indent cmake-tab-width)))
(if (and
(string-match cmake-regex-block-open token)
(looking-at (concat "[ \t]*" cmake-regex-paren-left))
)
(setq cur-indent (+ cur-indent cmake-tab-width))
)
) )
(goto-char point-start) (goto-char point-start)
;; If next token closes the block, decrease indentation
; If this is the end of a block, decrease indentation. (when (looking-at cmake-regex-block-close)
(if (looking-at cmake-regex-block-close)
(setq cur-indent (- cur-indent cmake-tab-width)) (setq cur-indent (- cur-indent cmake-tab-width))
) )
) )
) )
; Indent this line by the amount selected. ; Indent this line by the amount selected.
(if (< cur-indent 0) (cmake-indent-line-to (max cur-indent 0))
(cmake-indent-line-to 0)
(cmake-indent-line-to cur-indent)
)
) )
) )
) )