--- /dev/null
+;=============================================================================
+; CMake - Cross Platform Makefile Generator
+; Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+;
+; Distributed under the OSI-approved BSD License (the "License");
+; see accompanying file Copyright.txt for details.
+;
+; This software is distributed WITHOUT ANY WARRANTY; without even the
+; implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+; See the License for more information.
+;=============================================================================
+;;; cmake-mode.el --- major-mode for editing CMake sources
+
+;------------------------------------------------------------------------------
+
+;;; Commentary:
+
+;; Provides syntax highlighting and indentation for CMakeLists.txt and
+;; *.cmake source files.
+;;
+;; Add this code to your .emacs file to use the mode:
+;;
+;; (setq load-path (cons (expand-file-name "/dir/with/cmake-mode") load-path))
+;; (require 'cmake-mode)
+;; (setq auto-mode-alist
+;; (append '(("CMakeLists\\.txt\\'" . cmake-mode)
+;; ("\\.cmake\\'" . cmake-mode))
+;; auto-mode-alist))
+
+;------------------------------------------------------------------------------
+
+;;; Code:
+;;
+;; cmake executable variable used to run cmake --help-command
+;; on commands in cmake-mode
+;;
+;; cmake-command-help Written by James Bigler
+;;
+
+(defcustom cmake-mode-cmake-executable "cmake"
+ "*The name of the cmake executable.
+
+This can be either absolute or looked up in $PATH. You can also
+set the path with these commands:
+ (setenv \"PATH\" (concat (getenv \"PATH\") \";C:\\\\Program Files\\\\CMake 2.8\\\\bin\"))
+ (setenv \"PATH\" (concat (getenv \"PATH\") \":/usr/local/cmake/bin\"))"
+ :type 'file
+ :group 'cmake)
+;;
+;; Regular expressions used by line indentation function.
+;;
+(defconst cmake-regex-blank "^[ \t]*$")
+(defconst cmake-regex-comment "#.*")
+(defconst cmake-regex-paren-left "(")
+(defconst cmake-regex-paren-right ")")
+(defconst cmake-regex-argument-quoted
+ "\"\\([^\"\\\\]\\|\\\\\\(.\\|\n\\)\\)*\"")
+(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]"
+ "\\)*"))
+(defconst cmake-regex-block-open
+ "^\\(IF\\|MACRO\\|FOREACH\\|ELSE\\|ELSEIF\\|WHILE\\|FUNCTION\\)$")
+(defconst cmake-regex-block-close
+ "^[ \t]*\\(ENDIF\\|ENDFOREACH\\|ENDMACRO\\|ELSE\\|ELSEIF\\|ENDWHILE\\|ENDFUNCTION\\)[ \t]*(")
+
+;------------------------------------------------------------------------------
+
+;;
+;; Helper functions for line indentation function.
+;;
+(defun cmake-line-starts-inside-string ()
+ "Determine whether the beginning of the current line is in a string."
+ (if (save-excursion
+ (beginning-of-line)
+ (let ((parse-end (point)))
+ (beginning-of-buffer)
+ (nth 3 (parse-partial-sexp (point) parse-end))
+ )
+ )
+ t
+ nil
+ )
+ )
+
+(defun cmake-find-last-indented-line ()
+ "Move to the beginning of the last line that has meaningful indentation."
+ (let ((point-start (point))
+ region)
+ (forward-line -1)
+ (setq region (buffer-substring-no-properties (point) point-start))
+ (while (and (not (bobp))
+ (or (looking-at cmake-regex-blank)
+ (not (and (string-match cmake-regex-indented region)
+ (= (length region) (match-end 0))))))
+ (forward-line -1)
+ (setq region (buffer-substring-no-properties (point) point-start))
+ )
+ )
+ )
+
+;------------------------------------------------------------------------------
+
+;;
+;; Line indentation function.
+;;
+(defun cmake-indent ()
+ "Indent current line as CMAKE code."
+ (interactive)
+ (if (cmake-line-starts-inside-string)
+ ()
+ (if (bobp)
+ (cmake-indent-line-to 0)
+ (let (cur-indent)
+
+ (save-excursion
+ (beginning-of-line)
+
+ (let ((point-start (point))
+ token)
+
+ ; Search back for the last indented line.
+ (cmake-find-last-indented-line)
+
+ ; Start with the indentation on this line.
+ (setq cur-indent (current-indentation))
+
+ ; Search forward counting tokens that adjust indentation.
+ (while (re-search-forward cmake-regex-token point-start t)
+ (setq token (match-string 0))
+ (if (string-match (concat "^" cmake-regex-paren-left "$") token)
+ (setq cur-indent (+ cur-indent cmake-tab-width))
+ )
+ (if (string-match (concat "^" cmake-regex-paren-right "$") token)
+ (setq cur-indent (- cur-indent cmake-tab-width))
+ )
+ (if (and
+ (string-match cmake-regex-block-open token)
+ (looking-at (concat "[ \t]*" cmake-regex-paren-left))
+ )
+ (setq cur-indent (+ cur-indent cmake-tab-width))
+ )
+ )
+ (goto-char point-start)
+
+ ; If this is the end of a block, decrease indentation.
+ (if (looking-at cmake-regex-block-close)
+ (setq cur-indent (- cur-indent cmake-tab-width))
+ )
+ )
+ )
+
+ ; Indent this line by the amount selected.
+ (if (< cur-indent 0)
+ (cmake-indent-line-to 0)
+ (cmake-indent-line-to cur-indent)
+ )
+ )
+ )
+ )
+ )
+
+(defun cmake-point-in-indendation ()
+ (string-match "^[ \\t]*$" (buffer-substring (point-at-bol) (point))))
+
+(defun cmake-indent-line-to (column)
+ "Indent the current line to COLUMN.
+If point is within the existing indentation it is moved to the end of
+the indentation. Otherwise it retains the same position on the line"
+ (if (cmake-point-in-indendation)
+ (indent-line-to column)
+ (save-excursion (indent-line-to column))))
+
+;------------------------------------------------------------------------------
+
+;;
+;; Helper functions for buffer
+;;
+(defun unscreamify-cmake-buffer ()
+ "Convert all CMake commands to lowercase in buffer."
+ (interactive)
+ (setq save-point (point))
+ (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))
+ (goto-char save-point)
+ )
+
+;------------------------------------------------------------------------------
+
+;;
+;; Keyword highlighting regex-to-face map.
+;;
+(defconst cmake-font-lock-keywords
+ (list '("^[ \t]*\\(\\w+\\)[ \t]*(" 1 font-lock-function-name-face))
+ "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)
+
+;;
+;; User hook entry point.
+;;
+(defvar cmake-mode-hook nil)
+
+;;
+;; Indentation increment.
+;;
+(defvar cmake-tab-width 2)
+
+;------------------------------------------------------------------------------
+
+;;
+;; CMake mode startup function.
+;;
+(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 ?_ "w" 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)
+
+ ; Setup font-lock mode.
+ (make-local-variable 'font-lock-defaults)
+ (setq font-lock-defaults '(cmake-font-lock-keywords))
+
+ ; Setup indentation function.
+ (make-local-variable 'indent-line-function)
+ (setq indent-line-function 'cmake-indent)
+
+ ; Setup comment syntax.
+ (make-local-variable 'comment-start)
+ (setq comment-start "#")
+
+ ; Run user hooks.
+ (run-hooks 'cmake-mode-hook))
+
+; Help mode starts here
+
+
+(defun cmake-command-run (type &optional topic)
+ "Runs the command cmake with the arguments specified. The
+optional argument topic will be appended to the argument list."
+ (interactive "s")
+ (let* ((bufname (concat "*CMake" type (if topic "-") topic "*"))
+ (buffer (get-buffer bufname))
+ )
+ (if buffer
+ (display-buffer buffer 'not-this-window)
+ ;; Buffer doesn't exist. Create it and fill it
+ (setq buffer (generate-new-buffer bufname))
+ (setq command (concat cmake-mode-cmake-executable " " type " " topic))
+ (message "Running %s" command)
+ ;; We don't want the contents of the shell-command running to the
+ ;; minibuffer, so turn it off. A value of nil means don't automatically
+ ;; resize mini-windows.
+ (setq resize-mini-windows-save resize-mini-windows)
+ (setq resize-mini-windows nil)
+ (shell-command command buffer)
+ ;; Save the original window, so that we can come back to it later.
+ ;; save-excursion doesn't seem to work for this.
+ (setq window (selected-window))
+ ;; We need to select it so that we can apply special modes to it
+ (select-window (display-buffer buffer 'not-this-window))
+ (cmake-mode)
+ (toggle-read-only t)
+ ;; Restore the original window
+ (select-window window)
+ (setq resize-mini-windows resize-mini-windows-save)
+ )
+ )
+ )
+
+(defun cmake-help-list-commands ()
+ "Prints out a list of the cmake commands."
+ (interactive)
+ (cmake-command-run "--help-command-list")
+ )
+
+(defvar cmake-help-command-history nil "Topic read history.")
+
+(require 'thingatpt)
+(defun cmake-get-topic (type)
+ "Gets the topic from the minibuffer input. The default is the word the cursor is on."
+ (interactive)
+ (let* ((default-entry (word-at-point))
+ (input (read-string
+ (format "CMake %s (default %s): " type default-entry) ; prompt
+ nil ; initial input
+ 'cmake-help-command-history ; command history
+ default-entry ; default-value
+ )))
+ (if (string= input "")
+ (error "No argument given")
+ input))
+ )
+
+
+(defun cmake-help-command ()
+ "Prints out the help message corresponding to the command the cursor is on."
+ (interactive)
+ (setq command (cmake-get-topic "command"))
+ (cmake-command-run "--help-command" (downcase command))
+ )
+
+
+; This file provides cmake-mode.
+(provide 'cmake-mode)
+
+;;; cmake-mode.el ends here
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