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Merge topic 'emacs-mode-updates' 

5593f28f cmake-mode.el: Derive cmake-mode from prog-mode
41d6044b cmake-mode.el: Add font-lock for keywords and variables
7987d985 cmake-mode.el: Rename function to be consistent
63de609e cmake-mode.el: Use `rx' for regexps
9d5082b2 cmake-mode.el: Minor clean-up
This commit is contained in:
Brad King 2015-07-28 10:08:35 -04:00 committed by CMake Topic Stage
parent 9e29319447 5593f28fac
commit dce1b2991c
1 changed files with 90 additions and 103 deletions
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193
Auxiliary/cmake-mode.el
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@ -43,7 +43,14 @@ set the path with these commands:
(setenv \"PATH\" (concat (getenv \"PATH\") \":/usr/local/cmake/bin\"))"
:type 'file
:group 'cmake)
;;
;; Keywords
(defconst cmake-keywords-block-open '("IF" "MACRO" "FOREACH" "ELSE" "ELSEIF" "WHILE" "FUNCTION"))
(defconst cmake-keywords-block-close '("ENDIF" "ENDFOREACH" "ENDMACRO" "ELSE" "ELSEIF" "ENDWHILE" "ENDFUNCTION"))
(defconst cmake-keywords
(let ((kwds (append cmake-keywords-block-open cmake-keywords-block-close nil)))
(delete-dups kwds)))
;; Regular expressions used by line indentation function.
;;
(defconst cmake-regex-blank "^[ \t]*$")
@ -51,40 +58,39 @@ set the path with these commands:
(defconst cmake-regex-paren-left "(")
(defconst cmake-regex-paren-right ")")
(defconst cmake-regex-argument-quoted
"\"\\([^\"\\\\]\\|\\\\\\(.\\|\n\\)\\)*\"")
(rx ?\" (* (or (not (any ?\" ?\\)) (and ?\\ anything))) ?\"))
(defconst cmake-regex-argument-unquoted
"\\([^ \t\r\n()#\"\\\\]\\|\\\\.\\)\\([^ \t\r\n()#\\\\]\\|\\\\.\\)*")
(defconst cmake-regex-token (concat "\\(" cmake-regex-comment
"\\|" cmake-regex-paren-left
"\\|" cmake-regex-paren-right
"\\|" cmake-regex-argument-unquoted
"\\|" cmake-regex-argument-quoted
"\\)"))
(defconst cmake-regex-indented (concat "^\\("
cmake-regex-token
"\\|" "[ \t\r\n]"
"\\)*"))
(rx (or (not (any space "()#\"\\\n")) (and ?\\ nonl))
(* (or (not (any space "()#\\\n")) (and ?\\ nonl)))))
(defconst cmake-regex-token
(rx-to-string `(group (or (regexp ,cmake-regex-comment)
?( ?)
(regexp ,cmake-regex-argument-unquoted)
(regexp ,cmake-regex-argument-quoted)))))
(defconst cmake-regex-indented
(rx-to-string `(and bol (* (group (or (regexp ,cmake-regex-token) (any space ?\n)))))))
(defconst cmake-regex-block-open
"^\\(if\\|macro\\|foreach\\|else\\|elseif\\|while\\|function\\)$")
(rx-to-string `(and bow (or ,@(append cmake-keywords-block-open
(mapcar 'downcase cmake-keywords-block-open))) eow)))
(defconst cmake-regex-block-close
"^[ \t]*\\(endif\\|endforeach\\|endmacro\\|else\\|elseif\\|endwhile\\|endfunction\\)[ \t]*(")
(rx-to-string `(and bow (or ,@(append cmake-keywords-block-close
(mapcar 'downcase cmake-keywords-block-close))) eow)))
(defconst cmake-regex-close
(rx-to-string `(and bol (* space) (regexp ,cmake-regex-block-close)
(* space) (regexp ,cmake-regex-paren-left))))
;------------------------------------------------------------------------------
;;
;; Helper functions for line indentation function.
;;
;; Line indentation helper functions
(defun cmake-line-starts-inside-string ()
"Determine whether the beginning of the current line is in a string."
(if (save-excursion
(beginning-of-line)
(let ((parse-end (point)))
(goto-char (point-min))
(nth 3 (parse-partial-sexp (point) parse-end))
)
)
t
nil
(save-excursion
(beginning-of-line)
(let ((parse-end (point)))
(goto-char (point-min))
(nth 3 (parse-partial-sexp (point) parse-end))
)
)
)
@ -111,57 +117,40 @@ set the path with these commands:
;; Line indentation function.
;;
(defun cmake-indent ()
"Indent current line as CMAKE code."
"Indent current line as CMake code."
(interactive)
(if (cmake-line-starts-inside-string)
()
(unless (cmake-line-starts-inside-string)
(if (bobp)
(cmake-indent-line-to 0)
(let (cur-indent)
(save-excursion
(beginning-of-line)
(let ((point-start (point))
(case-fold-search t) ;; case-insensitive
token)
; Search back for the last indented line.
(cmake-find-last-indented-line)
; Start with the indentation on this line.
(setq cur-indent (current-indentation))
; Search forward counting tokens that adjust indentation.
(while (re-search-forward cmake-regex-token point-start t)
(setq token (match-string 0))
(if (string-match (concat "^" cmake-regex-paren-left "$") token)
(setq cur-indent (+ cur-indent cmake-tab-width))
)
(if (string-match (concat "^" cmake-regex-paren-right "$") 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))
)
(when (or (string-match (concat "^" cmake-regex-paren-left "$") token)
(and (string-match cmake-regex-block-open token)
(looking-at (concat "[ \t]*" cmake-regex-paren-left))))
(setq cur-indent (+ cur-indent cmake-tab-width)))
(when (string-match (concat "^" cmake-regex-paren-right "$") token)
(setq cur-indent (- cur-indent cmake-tab-width)))
)
(goto-char point-start)
; If this is the end of a block, decrease indentation.
(if (looking-at cmake-regex-block-close)
(setq cur-indent (- cur-indent cmake-tab-width))
;; If next token closes the block, decrease indentation
(when (looking-at cmake-regex-close)
(setq cur-indent (- cur-indent cmake-tab-width))
)
)
)
; Indent this line by the amount selected.
(if (< cur-indent 0)
(cmake-indent-line-to 0)
(cmake-indent-line-to cur-indent)
)
(cmake-indent-line-to (max cur-indent 0))
)
)
)
@ -183,17 +172,19 @@ the indentation. Otherwise it retains the same position on the line"
;;
;; Helper functions for buffer
;;
(defun unscreamify-cmake-buffer ()
(defun cmake-unscreamify-buffer ()
"Convert all CMake commands to lowercase in buffer."
(interactive)
(goto-char (point-min))
(while (re-search-forward "^\\([ \t]*\\)\\(\\w+\\)\\([ \t]*(\\)" nil t)
(replace-match
(concat
(match-string 1)
(downcase (match-string 2))
(match-string 3))
t))
(save-excursion
(goto-char (point-min))
(while (re-search-forward "^\\([ \t]*\\)\\(\\w+\\)\\([ \t]*(\\)" nil t)
(replace-match
(concat
(match-string 1)
(downcase (match-string 2))
(match-string 3))
t))
)
)
;------------------------------------------------------------------------------
@ -202,18 +193,32 @@ the indentation. Otherwise it retains the same position on the line"
;; Keyword highlighting regex-to-face map.
;;
(defconst cmake-font-lock-keywords
(list '("^[ \t]*\\([[:word:]_]+\\)[ \t]*(" 1 font-lock-function-name-face))
"Highlighting expressions for CMAKE mode."
)
`((,(rx-to-string `(and symbol-start
(or ,@cmake-keywords
,@(mapcar #'downcase cmake-keywords))
symbol-end))
. font-lock-keyword-face)
(,(rx symbol-start (group (+ (or word (syntax symbol)))) ?\()
1 font-lock-function-name-face)
("\\${?\\([[:alpha:]_][[:alnum:]_]*\\|[0-9]+\\|[$*_]\\)"
1 font-lock-variable-name-face t)
)
"Highlighting expressions for CMake mode.")
;------------------------------------------------------------------------------
;;
;; Syntax table for this mode. Initialize to nil so that it is
;; regenerated when the cmake-mode function is called.
;;
(defvar cmake-mode-syntax-table nil "Syntax table for cmake-mode.")
(setq cmake-mode-syntax-table nil)
;; Syntax table for this mode.
(defvar cmake-mode-syntax-table nil
"Syntax table for CMake mode.")
(or cmake-mode-syntax-table
(setq cmake-mode-syntax-table
(let ((table (make-syntax-table)))
(modify-syntax-entry ?\( "()" table)
(modify-syntax-entry ?\) ")(" table)
(modify-syntax-entry ?# "<" table)
(modify-syntax-entry ?\n ">" table)
(modify-syntax-entry ?$ "'" table)
table)))
;;
;; User hook entry point.
@ -227,41 +232,23 @@ the indentation. Otherwise it retains the same position on the line"
;------------------------------------------------------------------------------
;;
;; CMake mode startup function.
;; For compatibility with Emacs < 24
(defalias 'cmake--parent-mode
(if (fboundp 'prog-mode) 'prog-mode 'fundamental-mode))
;;------------------------------------------------------------------------------
;; Mode definition.
;;
;;;###autoload
(defun cmake-mode ()
"Major mode for editing CMake listfiles."
(interactive)
(kill-all-local-variables)
(setq major-mode 'cmake-mode)
(setq mode-name "CMAKE")
; Create the syntax table
(setq cmake-mode-syntax-table (make-syntax-table))
(set-syntax-table cmake-mode-syntax-table)
(modify-syntax-entry ?\( "()" cmake-mode-syntax-table)
(modify-syntax-entry ?\) ")(" cmake-mode-syntax-table)
(modify-syntax-entry ?# "<" cmake-mode-syntax-table)
(modify-syntax-entry ?\n ">" cmake-mode-syntax-table)
(define-derived-mode cmake-mode cmake--parent-mode "CMake"
"Major mode for editing CMake source files."
; Setup font-lock mode.
(make-local-variable 'font-lock-defaults)
(setq font-lock-defaults '(cmake-font-lock-keywords))
(set (make-local-variable 'font-lock-defaults) '(cmake-font-lock-keywords))
; Setup indentation function.
(make-local-variable 'indent-line-function)
(setq indent-line-function 'cmake-indent)
(set (make-local-variable 'indent-line-function) 'cmake-indent)
; Setup comment syntax.
(make-local-variable 'comment-start)
(setq comment-start "#")
; Run user hooks.
(if (boundp 'prog-mode-hook)
(run-hooks 'prog-mode-hook 'cmake-mode-hook)
(run-hooks 'cmake-mode-hook)))
(set (make-local-variable 'comment-start) "#"))
; Help mode starts here