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-;=============================================================================
-; 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