-;;; lisp-mode.el --- Lisp mode, and its idiosyncratic commands
-
-;; Copyright (C) 1985, 1986, 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
-
-;; Maintainer: FSF
-;; Keywords: lisp, languages
-
-;; This file is part of GNU Emacs.
-
-;; GNU Emacs is free software: you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; GNU General Public License for more details.
-
-;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
-
-;;; Commentary:
-
-;; The base major mode for editing Lisp code (used also for Emacs Lisp).
-;; This mode is documented in the Emacs manual.
-
-;;; Code:
-
-(defvar font-lock-comment-face)
-(defvar font-lock-doc-face)
-(defvar font-lock-keywords-case-fold-search)
-(defvar font-lock-string-face)
-
-(defvar lisp-mode-abbrev-table nil)
-
-(define-abbrev-table 'lisp-mode-abbrev-table ())
-
-(defvar emacs-lisp-mode-syntax-table
- (let ((table (make-syntax-table)))
- (let ((i 0))
- (while (< i ?0)
- (modify-syntax-entry i "_ " table)
- (setq i (1+ i)))
- (setq i (1+ ?9))
- (while (< i ?A)
- (modify-syntax-entry i "_ " table)
- (setq i (1+ i)))
- (setq i (1+ ?Z))
- (while (< i ?a)
- (modify-syntax-entry i "_ " table)
- (setq i (1+ i)))
- (setq i (1+ ?z))
- (while (< i 128)
- (modify-syntax-entry i "_ " table)
- (setq i (1+ i)))
- (modify-syntax-entry ?\s " " table)
- ;; Non-break space acts as whitespace.
- (modify-syntax-entry ?\x8a0 " " table)
- (modify-syntax-entry ?\t " " table)
- (modify-syntax-entry ?\f " " table)
- (modify-syntax-entry ?\n "> " table)
- ;; This is probably obsolete since nowadays such features use overlays.
- ;; ;; Give CR the same syntax as newline, for selective-display.
- ;; (modify-syntax-entry ?\^m "> " table)
- (modify-syntax-entry ?\; "< " table)
- (modify-syntax-entry ?` "' " table)
- (modify-syntax-entry ?' "' " table)
- (modify-syntax-entry ?, "' " table)
- (modify-syntax-entry ?@ "' " table)
- ;; Used to be singlequote; changed for flonums.
- (modify-syntax-entry ?. "_ " table)
- (modify-syntax-entry ?# "' " table)
- (modify-syntax-entry ?\" "\" " table)
- (modify-syntax-entry ?\\ "\\ " table)
- (modify-syntax-entry ?\( "() " table)
- (modify-syntax-entry ?\) ")( " table)
- (modify-syntax-entry ?\[ "(] " table)
- (modify-syntax-entry ?\] ")[ " table))
- table))
-
-(defvar lisp-mode-syntax-table
- (let ((table (copy-syntax-table emacs-lisp-mode-syntax-table)))
- (modify-syntax-entry ?\[ "_ " table)
- (modify-syntax-entry ?\] "_ " table)
- (modify-syntax-entry ?# "' 14b" table)
- (modify-syntax-entry ?| "\" 23bn" table)
- table))
-
-(defvar lisp-imenu-generic-expression
- (list
- (list nil
- (purecopy (concat "^\\s-*("
- (eval-when-compile
- (regexp-opt
- '("defun" "defun*" "defsubst" "defmacro"
- "defadvice" "define-skeleton"
- "define-minor-mode" "define-global-minor-mode"
- "define-globalized-minor-mode"
- "define-derived-mode" "define-generic-mode"
- "define-compiler-macro" "define-modify-macro"
- "defsetf" "define-setf-expander"
- "define-method-combination"
- "defgeneric" "defmethod") t))
- "\\s-+\\(\\(\\sw\\|\\s_\\)+\\)"))
- 2)
- (list (purecopy "Variables")
- (purecopy (concat "^\\s-*("
- (eval-when-compile
- (regexp-opt
- '("defvar" "defconst" "defconstant" "defcustom"
- "defparameter" "define-symbol-macro") t))
- "\\s-+\\(\\(\\sw\\|\\s_\\)+\\)"))
- 2)
- (list (purecopy "Types")
- (purecopy (concat "^\\s-*("
- (eval-when-compile
- (regexp-opt
- '("defgroup" "deftheme" "deftype" "defstruct"
- "defclass" "define-condition" "define-widget"
- "defface" "defpackage") t))
- "\\s-+'?\\(\\(\\sw\\|\\s_\\)+\\)"))
- 2))
-
- "Imenu generic expression for Lisp mode. See `imenu-generic-expression'.")
-
-;; This was originally in autoload.el and is still used there.
-(put 'autoload 'doc-string-elt 3)
-(put 'defun 'doc-string-elt 3)
-(put 'defun* 'doc-string-elt 3)
-(put 'defvar 'doc-string-elt 3)
-(put 'defcustom 'doc-string-elt 3)
-(put 'deftheme 'doc-string-elt 2)
-(put 'defconst 'doc-string-elt 3)
-(put 'defmacro 'doc-string-elt 3)
-(put 'defmacro* 'doc-string-elt 3)
-(put 'defsubst 'doc-string-elt 3)
-(put 'defstruct 'doc-string-elt 2)
-(put 'define-skeleton 'doc-string-elt 2)
-(put 'define-derived-mode 'doc-string-elt 4)
-(put 'define-compilation-mode 'doc-string-elt 3)
-(put 'easy-mmode-define-minor-mode 'doc-string-elt 2)
-(put 'define-minor-mode 'doc-string-elt 2)
-(put 'easy-mmode-define-global-mode 'doc-string-elt 2)
-(put 'define-global-minor-mode 'doc-string-elt 2)
-(put 'define-globalized-minor-mode 'doc-string-elt 2)
-(put 'define-generic-mode 'doc-string-elt 7)
-(put 'define-ibuffer-filter 'doc-string-elt 2)
-(put 'define-ibuffer-op 'doc-string-elt 3)
-(put 'define-ibuffer-sorter 'doc-string-elt 2)
-(put 'lambda 'doc-string-elt 2)
-(put 'defalias 'doc-string-elt 3)
-(put 'defvaralias 'doc-string-elt 3)
-(put 'define-category 'doc-string-elt 2)
-
-(defvar lisp-doc-string-elt-property 'doc-string-elt
- "The symbol property that holds the docstring position info.")
-
-(defun lisp-font-lock-syntactic-face-function (state)
- (if (nth 3 state)
- ;; This might be a (doc)string or a |...| symbol.
- (let ((startpos (nth 8 state)))
- (if (eq (char-after startpos) ?|)
- ;; This is not a string, but a |...| symbol.
- nil
- (let* ((listbeg (nth 1 state))
- (firstsym (and listbeg
- (save-excursion
- (goto-char listbeg)
- (and (looking-at "([ \t\n]*\\(\\(\\sw\\|\\s_\\)+\\)")
- (match-string 1)))))
- (docelt (and firstsym (get (intern-soft firstsym)
- lisp-doc-string-elt-property))))
- (if (and docelt
- ;; It's a string in a form that can have a docstring.
- ;; Check whether it's in docstring position.
- (save-excursion
- (when (functionp docelt)
- (goto-char (match-end 1))
- (setq docelt (funcall docelt)))
- (goto-char listbeg)
- (forward-char 1)
- (condition-case nil
- (while (and (> docelt 0) (< (point) startpos)
- (progn (forward-sexp 1) t))
- (setq docelt (1- docelt)))
- (error nil))
- (and (zerop docelt) (<= (point) startpos)
- (progn (forward-comment (point-max)) t)
- (= (point) (nth 8 state)))))
- font-lock-doc-face
- font-lock-string-face))))
- font-lock-comment-face))
-
-;; The LISP-SYNTAX argument is used by code in inf-lisp.el and is
-;; (uselessly) passed from pp.el, chistory.el, gnus-kill.el and score-mode.el
-(defun lisp-mode-variables (&optional lisp-syntax)
- (when lisp-syntax
- (set-syntax-table lisp-mode-syntax-table))
- (setq local-abbrev-table lisp-mode-abbrev-table)
- (make-local-variable 'paragraph-ignore-fill-prefix)
- (setq paragraph-ignore-fill-prefix t)
- (make-local-variable 'fill-paragraph-function)
- (setq fill-paragraph-function 'lisp-fill-paragraph)
- ;; Adaptive fill mode gets the fill wrong for a one-line paragraph made of
- ;; a single docstring. Let's fix it here.
- (set (make-local-variable 'adaptive-fill-function)
- (lambda () (if (looking-at "\\s-+\"[^\n\"]+\"\\s-*$") "")))
- ;; Adaptive fill mode gets in the way of auto-fill,
- ;; and should make no difference for explicit fill
- ;; because lisp-fill-paragraph should do the job.
- ;; I believe that newcomment's auto-fill code properly deals with it -stef
- ;;(set (make-local-variable 'adaptive-fill-mode) nil)
- (make-local-variable 'indent-line-function)
- (setq indent-line-function 'lisp-indent-line)
- (make-local-variable 'parse-sexp-ignore-comments)
- (setq parse-sexp-ignore-comments t)
- (make-local-variable 'outline-regexp)
- (setq outline-regexp ";;;\\(;* [^ \t\n]\\|###autoload\\)\\|(")
- (make-local-variable 'outline-level)
- (setq outline-level 'lisp-outline-level)
- (make-local-variable 'comment-start)
- (setq comment-start ";")
- (make-local-variable 'comment-start-skip)
- ;; Look within the line for a ; following an even number of backslashes
- ;; after either a non-backslash or the line beginning.
- (setq comment-start-skip "\\(\\(^\\|[^\\\\\n]\\)\\(\\\\\\\\\\)*\\);+ *")
- (make-local-variable 'font-lock-comment-start-skip)
- ;; Font lock mode uses this only when it KNOWS a comment is starting.
- (setq font-lock-comment-start-skip ";+ *")
- (make-local-variable 'comment-add)
- (setq comment-add 1) ;default to `;;' in comment-region
- (make-local-variable 'comment-column)
- (setq comment-column 40)
- ;; Don't get confused by `;' in doc strings when paragraph-filling.
- (set (make-local-variable 'comment-use-global-state) t)
- (make-local-variable 'imenu-generic-expression)
- (setq imenu-generic-expression lisp-imenu-generic-expression)
- (make-local-variable 'multibyte-syntax-as-symbol)
- (setq multibyte-syntax-as-symbol t)
- (set (make-local-variable 'syntax-begin-function) 'beginning-of-defun)
- (setq font-lock-defaults
- '((lisp-font-lock-keywords
- lisp-font-lock-keywords-1 lisp-font-lock-keywords-2)
- nil nil (("+-*/.<>=!?$%_&~^:@" . "w")) nil
- (font-lock-mark-block-function . mark-defun)
- (font-lock-syntactic-face-function
- . lisp-font-lock-syntactic-face-function))))
-
-(defun lisp-outline-level ()
- "Lisp mode `outline-level' function."
- (let ((len (- (match-end 0) (match-beginning 0))))
- (if (looking-at "(\\|;;;###autoload")
- 1000
- len)))
-
-(defvar lisp-mode-shared-map
- (let ((map (make-sparse-keymap)))
- (define-key map "\e\C-q" 'indent-sexp)
- (define-key map "\177" 'backward-delete-char-untabify)
- ;; This gets in the way when viewing a Lisp file in view-mode. As
- ;; long as [backspace] is mapped into DEL via the
- ;; function-key-map, this should remain disabled!!
- ;;;(define-key map [backspace] 'backward-delete-char-untabify)
- map)
- "Keymap for commands shared by all sorts of Lisp modes.")
-
-(defvar emacs-lisp-mode-map
- (let ((map (make-sparse-keymap "Emacs-Lisp"))
- (menu-map (make-sparse-keymap "Emacs-Lisp"))
- (prof-map (make-sparse-keymap))
- (tracing-map (make-sparse-keymap)))
- (set-keymap-parent map lisp-mode-shared-map)
- (define-key map "\e\t" 'lisp-complete-symbol)
- (define-key map "\e\C-x" 'eval-defun)
- (define-key map "\e\C-q" 'indent-pp-sexp)
- (define-key map [menu-bar emacs-lisp] (cons "Emacs-Lisp" menu-map))
- (define-key menu-map [eldoc]
- '(menu-item "Auto-Display Documentation Strings" eldoc-mode
- :button (:toggle . (bound-and-true-p eldoc-mode))
- :help "Display the documentation string for the item under cursor"))
- (define-key menu-map [checkdoc]
- '(menu-item "Check Documentation Strings" checkdoc
- :help "Check documentation strings for style requirements"))
- (define-key menu-map [re-builder]
- '(menu-item "Construct Regexp" re-builder
- :help "Construct a regexp interactively"))
- (define-key menu-map [tracing] (cons "Tracing" tracing-map))
- (define-key tracing-map [tr-a]
- '(menu-item "Untrace all" untrace-all
- :help "Untraces all currently traced functions"))
- (define-key tracing-map [tr-uf]
- '(menu-item "Untrace function..." untrace-function
- :help "Untraces FUNCTION and possibly activates all remaining advice"))
- (define-key tracing-map [tr-sep] '("--"))
- (define-key tracing-map [tr-q]
- '(menu-item "Trace function quietly..." trace-function-background
- :help "Trace the function with trace output going quietly to a buffer"))
- (define-key tracing-map [tr-f]
- '(menu-item "Trace function..." trace-function
- :help "Trace the function given as a argument"))
- (define-key menu-map [profiling] (cons "Profiling" prof-map))
- (define-key prof-map [prof-restall]
- '(menu-item "Remove Instrumentation for All Functions" elp-restore-all
- :help "Restore the original definitions of all functions being profiled"))
- (define-key prof-map [prof-restfunc]
- '(menu-item "Remove Instrumentation for Function..." elp-restore-function
- :help "Restore an instrumented function to its original definition"))
-
- (define-key prof-map [sep-rem] '("--"))
- (define-key prof-map [prof-resall]
- '(menu-item "Reset Counters for All Functions" elp-reset-all
- :help "Reset the profiling information for all functions being profiled"))
- (define-key prof-map [prof-resfunc]
- '(menu-item "Reset Counters for Function..." elp-reset-function
- :help "Reset the profiling information for a function"))
- (define-key prof-map [prof-res]
- '(menu-item "Show Profiling Results" elp-results
- :help "Display current profiling results"))
- (define-key prof-map [prof-pack]
- '(menu-item "Instrument Package..." elp-instrument-package
- :help "Instrument for profiling all function that start with a prefix"))
- (define-key prof-map [prof-func]
- '(menu-item "Instrument Function..." elp-instrument-function
- :help "Instrument a function for profiling"))
- (define-key menu-map [edebug-defun]
- '(menu-item "Instrument Function for Debugging" edebug-defun
- :help "Evaluate the top level form point is in, stepping through with Edebug"
- :keys "C-u C-M-x"))
- (define-key menu-map [separator-byte] '("--"))
- (define-key menu-map [disas]
- '(menu-item "Disassemble byte compiled object..." disassemble
- :help "Print disassembled code for OBJECT in a buffer"))
- (define-key menu-map [byte-recompile]
- '(menu-item "Byte-recompile Directory..." byte-recompile-directory
- :help "Recompile every `.el' file in DIRECTORY that needs recompilation"))
- (define-key menu-map [emacs-byte-compile-and-load]
- '(menu-item "Byte-compile And Load" emacs-lisp-byte-compile-and-load
- :help "Byte-compile the current file (if it has changed), then load compiled code"))
- (define-key menu-map [byte-compile]
- '(menu-item "Byte-compile This File" emacs-lisp-byte-compile
- :help "Byte compile the file containing the current buffer"))
- (define-key menu-map [separator-eval] '("--"))
- (define-key menu-map [ielm]
- '(menu-item "Interactive Expression Evaluation" ielm
- :help "Interactively evaluate Emacs Lisp expressions"))
- (define-key menu-map [eval-buffer]
- '(menu-item "Evaluate Buffer" eval-buffer
- :help "Execute the current buffer as Lisp code"))
- (define-key menu-map [eval-region]
- '(menu-item "Evaluate Region" eval-region
- :help "Execute the region as Lisp code"
- :enable mark-active))
- (define-key menu-map [eval-sexp]
- '(menu-item "Evaluate Last S-expression" eval-last-sexp
- :help "Evaluate sexp before point; print value in minibuffer"))
- (define-key menu-map [separator-format] '("--"))
- (define-key menu-map [comment-region]
- '(menu-item "Comment Out Region" comment-region
- :help "Comment or uncomment each line in the region"
- :enable mark-active))
- (define-key menu-map [indent-region]
- '(menu-item "Indent Region" indent-region
- :help "Indent each nonblank line in the region"
- :enable mark-active))
- (define-key menu-map [indent-line] '("Indent Line" . lisp-indent-line))
- map)
- "Keymap for Emacs Lisp mode.
-All commands in `lisp-mode-shared-map' are inherited by this map.")
-
-(defun emacs-lisp-byte-compile ()
- "Byte compile the file containing the current buffer."
- (interactive)
- (if buffer-file-name
- (byte-compile-file buffer-file-name)
- (error "The buffer must be saved in a file first")))
-
-(defun emacs-lisp-byte-compile-and-load ()
- "Byte-compile the current file (if it has changed), then load compiled code."
- (interactive)
- (or buffer-file-name
- (error "The buffer must be saved in a file first"))
- (require 'bytecomp)
- ;; Recompile if file or buffer has changed since last compilation.
- (if (and (buffer-modified-p)
- (y-or-n-p (format "Save buffer %s first? " (buffer-name))))
- (save-buffer))
- (let ((compiled-file-name (byte-compile-dest-file buffer-file-name)))
- (if (file-newer-than-file-p compiled-file-name buffer-file-name)
- (load-file compiled-file-name)
- (byte-compile-file buffer-file-name t))))
-
-(defcustom emacs-lisp-mode-hook nil
- "Hook run when entering Emacs Lisp mode."
- :options '(turn-on-eldoc-mode imenu-add-menubar-index checkdoc-minor-mode)
- :type 'hook
- :group 'lisp)
-
-(defcustom lisp-mode-hook nil
- "Hook run when entering Lisp mode."
- :options '(imenu-add-menubar-index)
- :type 'hook
- :group 'lisp)
-
-(defcustom lisp-interaction-mode-hook nil
- "Hook run when entering Lisp Interaction mode."
- :options '(turn-on-eldoc-mode)
- :type 'hook
- :group 'lisp)
-
-(defun emacs-lisp-mode ()
- "Major mode for editing Lisp code to run in Emacs.
-Commands:
-Delete converts tabs to spaces as it moves back.
-Blank lines separate paragraphs. Semicolons start comments.
-\\{emacs-lisp-mode-map}
-Entry to this mode calls the value of `emacs-lisp-mode-hook'
-if that value is non-nil."
- (interactive)
- (kill-all-local-variables)
- (use-local-map emacs-lisp-mode-map)
- (set-syntax-table emacs-lisp-mode-syntax-table)
- (setq major-mode 'emacs-lisp-mode)
- (setq mode-name "Emacs-Lisp")
- (lisp-mode-variables)
- (setq imenu-case-fold-search nil)
- (run-mode-hooks 'emacs-lisp-mode-hook))
-(put 'emacs-lisp-mode 'custom-mode-group 'lisp)
-
-(defvar lisp-mode-map
- (let ((map (make-sparse-keymap))
- (menu-map (make-sparse-keymap "Lisp")))
- (set-keymap-parent map lisp-mode-shared-map)
- (define-key map "\e\C-x" 'lisp-eval-defun)
- (define-key map "\C-c\C-z" 'run-lisp)
- (define-key map [menu-bar lisp] (cons "Lisp" menu-map))
- (define-key menu-map [run-lisp]
- '(menu-item "Run inferior Lisp" run-lisp
- :help "Run an inferior Lisp process, input and output via buffer `*inferior-lisp*'"))
- (define-key menu-map [ev-def]
- '(menu-item "Eval defun" lisp-eval-defun
- :help "Send the current defun to the Lisp process made by M-x run-lisp"))
- (define-key menu-map [ind-sexp]
- '(menu-item "Indent sexp" indent-sexp
- :help "Indent each line of the list starting just after point"))
- map)
- "Keymap for ordinary Lisp mode.
-All commands in `lisp-mode-shared-map' are inherited by this map.")
-
-(defun lisp-mode ()
- "Major mode for editing Lisp code for Lisps other than GNU Emacs Lisp.
-Commands:
-Delete converts tabs to spaces as it moves back.
-Blank lines separate paragraphs. Semicolons start comments.
-\\{lisp-mode-map}
-Note that `run-lisp' may be used either to start an inferior Lisp job
-or to switch back to an existing one.
-
-Entry to this mode calls the value of `lisp-mode-hook'
-if that value is non-nil."
- (interactive)
- (kill-all-local-variables)
- (use-local-map lisp-mode-map)
- (setq major-mode 'lisp-mode)
- (setq mode-name "Lisp")
- (lisp-mode-variables)
- (make-local-variable 'comment-start-skip)
- (setq comment-start-skip
- "\\(\\(^\\|[^\\\\\n]\\)\\(\\\\\\\\\\)*\\)\\(;+\\|#|\\) *")
- (make-local-variable 'font-lock-keywords-case-fold-search)
- (setq font-lock-keywords-case-fold-search t)
- (setq imenu-case-fold-search t)
- (set-syntax-table lisp-mode-syntax-table)
- (run-mode-hooks 'lisp-mode-hook))
-(put 'lisp-mode 'find-tag-default-function 'lisp-find-tag-default)
-
-(defun lisp-find-tag-default ()
- (let ((default (find-tag-default)))
- (when (stringp default)
- (if (string-match ":+" default)
- (substring default (match-end 0))
- default))))
-
-;; Used in old LispM code.
-(defalias 'common-lisp-mode 'lisp-mode)
-
-;; This will do unless inf-lisp.el is loaded.
-(defun lisp-eval-defun (&optional and-go)
- "Send the current defun to the Lisp process made by \\[run-lisp]."
- (interactive)
- (error "Process lisp does not exist"))
-
-(defvar lisp-interaction-mode-map
- (let ((map (make-sparse-keymap))
- (menu-map (make-sparse-keymap "Lisp-Interaction")))
- (set-keymap-parent map lisp-mode-shared-map)
- (define-key map "\e\C-x" 'eval-defun)
- (define-key map "\e\C-q" 'indent-pp-sexp)
- (define-key map "\e\t" 'lisp-complete-symbol)
- (define-key map "\n" 'eval-print-last-sexp)
- (define-key map [menu-bar lisp-interaction] (cons "Lisp-Interaction" menu-map))
- (define-key menu-map [eval-defun]
- '(menu-item "Evaluate Defun" eval-defun
- :help "Evaluate the top-level form containing point, or after point"))
- (define-key menu-map [eval-print-last-sexp]
- '(menu-item "Evaluate and print" eval-print-last-sexp
- :help "Evaluate sexp before point; print value into current buffer"))
- (define-key menu-map [edebug-defun-lisp-interaction]
- '(menu-item "Instrument Function for Debugging" edebug-defun
- :help "Evaluate the top level form point is in, stepping through with Edebug"
- :keys "C-u C-M-x"))
- (define-key menu-map [indent-pp-sexp]
- '(menu-item "Indent or Pretty-Print" indent-pp-sexp
- :help "Indent each line of the list starting just after point, or prettyprint it"))
- (define-key menu-map [lisp-complete-symbol]
- '(menu-item "Complete Lisp Symbol" lisp-complete-symbol
- :help "Perform completion on Lisp symbol preceding point"))
- map)
- "Keymap for Lisp Interaction mode.
-All commands in `lisp-mode-shared-map' are inherited by this map.")
-
-(defvar lisp-interaction-mode-abbrev-table lisp-mode-abbrev-table)
-(define-derived-mode lisp-interaction-mode emacs-lisp-mode "Lisp Interaction"
- "Major mode for typing and evaluating Lisp forms.
-Like Lisp mode except that \\[eval-print-last-sexp] evals the Lisp expression
-before point, and prints its value into the buffer, advancing point.
-Note that printing is controlled by `eval-expression-print-length'
-and `eval-expression-print-level'.
-
-Commands:
-Delete converts tabs to spaces as it moves back.
-Paragraphs are separated only by blank lines.
-Semicolons start comments.
-\\{lisp-interaction-mode-map}
-Entry to this mode calls the value of `lisp-interaction-mode-hook'
-if that value is non-nil.")
-
-(defun eval-print-last-sexp ()
- "Evaluate sexp before point; print value into current buffer.
-
-If `eval-expression-debug-on-error' is non-nil, which is the default,
-this command arranges for all errors to enter the debugger.
-
-Note that printing the result is controlled by the variables
-`eval-expression-print-length' and `eval-expression-print-level',
-which see."
- (interactive)
- (let ((standard-output (current-buffer)))
- (terpri)
- (eval-last-sexp t)
- (terpri)))
-
-
-(defun last-sexp-setup-props (beg end value alt1 alt2)
- "Set up text properties for the output of `eval-last-sexp-1'.
-BEG and END are the start and end of the output in current-buffer.
-VALUE is the Lisp value printed, ALT1 and ALT2 are strings for the
-alternative printed representations that can be displayed."
- (let ((map (make-sparse-keymap)))
- (define-key map "\C-m" 'last-sexp-toggle-display)
- (define-key map [down-mouse-2] 'mouse-set-point)
- (define-key map [mouse-2] 'last-sexp-toggle-display)
- (add-text-properties
- beg end
- `(printed-value (,value ,alt1 ,alt2)
- mouse-face highlight
- keymap ,map
- help-echo "RET, mouse-2: toggle abbreviated display"
- rear-nonsticky (mouse-face keymap help-echo
- printed-value)))))
-
-
-(defun last-sexp-toggle-display (&optional arg)
- "Toggle between abbreviated and unabbreviated printed representations."
- (interactive "P")
- (save-restriction
- (widen)
- (let ((value (get-text-property (point) 'printed-value)))
- (when value
- (let ((beg (or (previous-single-property-change (min (point-max) (1+ (point)))
- 'printed-value)
- (point)))
- (end (or (next-single-char-property-change (point) 'printed-value) (point)))
- (standard-output (current-buffer))
- (point (point)))
- (delete-region beg end)
- (insert (nth 1 value))
- (or (= beg point)
- (setq point (1- (point))))
- (last-sexp-setup-props beg (point)
- (nth 0 value)
- (nth 2 value)
- (nth 1 value))
- (goto-char (min (point-max) point)))))))
-
-(defun prin1-char (char)
- "Return a string representing CHAR as a character rather than as an integer.
-If CHAR is not a character, return nil."
- (and (integerp char)
- (eventp char)
- (let ((c (event-basic-type char))
- (mods (event-modifiers char))
- string)
- ;; Prevent ?A from turning into ?\S-a.
- (if (and (memq 'shift mods)
- (zerop (logand char ?\S-\^@))
- (not (let ((case-fold-search nil))
- (char-equal c (upcase c)))))
- (setq c (upcase c) mods nil))
- ;; What string are we considering using?
- (condition-case nil
- (setq string
- (concat
- "?"
- (mapconcat
- (lambda (modif)
- (cond ((eq modif 'super) "\\s-")
- (t (string ?\\ (upcase (aref (symbol-name modif) 0)) ?-))))
- mods "")
- (cond
- ((memq c '(?\; ?\( ?\) ?\{ ?\} ?\[ ?\] ?\" ?\' ?\\)) (string ?\\ c))
- ((eq c 127) "\\C-?")
- (t
- (string c)))))
- (error nil))
- ;; Verify the string reads a CHAR, not to some other character.
- ;; If it doesn't, return nil instead.
- (and string
- (= (car (read-from-string string)) char)
- string))))
-
-
-(defun preceding-sexp ()
- "Return sexp before the point."
- (let ((opoint (point))
- ignore-quotes
- expr)
- (save-excursion
- (with-syntax-table emacs-lisp-mode-syntax-table
- ;; If this sexp appears to be enclosed in `...'
- ;; then ignore the surrounding quotes.
- (setq ignore-quotes
- (or (eq (following-char) ?\')
- (eq (preceding-char) ?\')))
- (forward-sexp -1)
- ;; If we were after `?\e' (or similar case),
- ;; use the whole thing, not just the `e'.
- (when (eq (preceding-char) ?\\)
- (forward-char -1)
- (when (eq (preceding-char) ??)
- (forward-char -1)))
-
- ;; Skip over `#N='s.
- (when (eq (preceding-char) ?=)
- (let (labeled-p)
- (save-excursion
- (skip-chars-backward "0-9#=")
- (setq labeled-p (looking-at "\\(#[0-9]+=\\)+")))
- (when labeled-p
- (forward-sexp -1))))
-
- (save-restriction
- ;; vladimir@cs.ualberta.ca 30-Jul-1997: skip ` in
- ;; `variable' so that the value is returned, not the
- ;; name
- (if (and ignore-quotes
- (eq (following-char) ?`))
- (forward-char))
- (narrow-to-region (point-min) opoint)
- (setq expr (read (current-buffer)))
- ;; If it's an (interactive ...) form, it's more
- ;; useful to show how an interactive call would
- ;; use it.
- (and (consp expr)
- (eq (car expr) 'interactive)
- (setq expr
- (list 'call-interactively
- (list 'quote
- (list 'lambda
- '(&rest args)
- expr
- 'args)))))
- expr)))))
-
-
-(defun eval-last-sexp-1 (eval-last-sexp-arg-internal)
- "Evaluate sexp before point; print value in minibuffer.
-With argument, print output into current buffer."
- (let ((standard-output (if eval-last-sexp-arg-internal (current-buffer) t)))
- (eval-last-sexp-print-value (eval (preceding-sexp)))))
-
-
-(defun eval-last-sexp-print-value (value)
- (let ((unabbreviated (let ((print-length nil) (print-level nil))
- (prin1-to-string value)))
- (print-length eval-expression-print-length)
- (print-level eval-expression-print-level)
- (beg (point))
- end)
- (prog1
- (prin1 value)
- (let ((str (eval-expression-print-format value)))
- (if str (princ str)))
- (setq end (point))
- (when (and (bufferp standard-output)
- (or (not (null print-length))
- (not (null print-level)))
- (not (string= unabbreviated
- (buffer-substring-no-properties beg end))))
- (last-sexp-setup-props beg end value
- unabbreviated
- (buffer-substring-no-properties beg end))
- ))))
-
-
-(defvar eval-last-sexp-fake-value (make-symbol "t"))
-
-(defun eval-last-sexp (eval-last-sexp-arg-internal)
- "Evaluate sexp before point; print value in minibuffer.
-Interactively, with prefix argument, print output into current buffer.
-
-If `eval-expression-debug-on-error' is non-nil, which is the default,
-this command arranges for all errors to enter the debugger."
- (interactive "P")
- (if (null eval-expression-debug-on-error)
- (eval-last-sexp-1 eval-last-sexp-arg-internal)
- (let ((value
- (let ((debug-on-error eval-last-sexp-fake-value))
- (cons (eval-last-sexp-1 eval-last-sexp-arg-internal)
- debug-on-error))))
- (unless (eq (cdr value) eval-last-sexp-fake-value)
- (setq debug-on-error (cdr value)))
- (car value))))
-
-(defun eval-defun-1 (form)
- "Treat some expressions specially.
-Reset the `defvar' and `defcustom' variables to the initial value.
-Reinitialize the face according to the `defface' specification."
- ;; The code in edebug-defun should be consistent with this, but not
- ;; the same, since this gets a macroexpended form.
- (cond ((not (listp form))
- form)
- ((and (eq (car form) 'defvar)
- (cdr-safe (cdr-safe form))
- (boundp (cadr form)))
- ;; Force variable to be re-set.
- `(progn (defvar ,(nth 1 form) nil ,@(nthcdr 3 form))
- (setq-default ,(nth 1 form) ,(nth 2 form))))
- ;; `defcustom' is now macroexpanded to
- ;; `custom-declare-variable' with a quoted value arg.
- ((and (eq (car form) 'custom-declare-variable)
- (default-boundp (eval (nth 1 form))))
- ;; Force variable to be bound.
- (set-default (eval (nth 1 form)) (eval (nth 1 (nth 2 form))))
- form)
- ;; `defface' is macroexpanded to `custom-declare-face'.
- ((eq (car form) 'custom-declare-face)
- ;; Reset the face.
- (setq face-new-frame-defaults
- (assq-delete-all (eval (nth 1 form)) face-new-frame-defaults))
- (put (eval (nth 1 form)) 'face-defface-spec nil)
- ;; Setting `customized-face' to the new spec after calling
- ;; the form, but preserving the old saved spec in `saved-face',
- ;; imitates the situation when the new face spec is set
- ;; temporarily for the current session in the customize
- ;; buffer, thus allowing `face-user-default-spec' to use the
- ;; new customized spec instead of the saved spec.
- ;; Resetting `saved-face' temporarily to nil is needed to let
- ;; `defface' change the spec, regardless of a saved spec.
- (prog1 `(prog1 ,form
- (put ,(nth 1 form) 'saved-face
- ',(get (eval (nth 1 form)) 'saved-face))
- (put ,(nth 1 form) 'customized-face
- ,(nth 2 form)))
- (put (eval (nth 1 form)) 'saved-face nil)))
- ((eq (car form) 'progn)
- (cons 'progn (mapcar 'eval-defun-1 (cdr form))))
- (t form)))
-
-(defun eval-defun-2 ()
- "Evaluate defun that point is in or before.
-The value is displayed in the minibuffer.
-If the current defun is actually a call to `defvar',
-then reset the variable using the initial value expression
-even if the variable already has some other value.
-\(Normally `defvar' does not change the variable's value
-if it already has a value.\)
-
-With argument, insert value in current buffer after the defun.
-Return the result of evaluation."
- (interactive "P")
- ;; FIXME: the print-length/level bindings should only be applied while
- ;; printing, not while evaluating.
- (let ((debug-on-error eval-expression-debug-on-error)
- (print-length eval-expression-print-length)
- (print-level eval-expression-print-level))
- (save-excursion
- ;; Arrange for eval-region to "read" the (possibly) altered form.
- ;; eval-region handles recording which file defines a function or
- ;; variable. Re-written using `apply' to avoid capturing
- ;; variables like `end'.
- (apply
- #'eval-region
- (let ((standard-output t)
- beg end form)
- ;; Read the form from the buffer, and record where it ends.
- (save-excursion
- (end-of-defun)
- (beginning-of-defun)
- (setq beg (point))
- (setq form (read (current-buffer)))
- (setq end (point)))
- ;; Alter the form if necessary.
- (setq form (eval-defun-1 (macroexpand form)))
- (list beg end standard-output
- `(lambda (ignore)
- ;; Skipping to the end of the specified region
- ;; will make eval-region return.
- (goto-char ,end)
- ',form))))))
- ;; The result of evaluation has been put onto VALUES. So return it.
- (car values))
-
-(defun eval-defun (edebug-it)
- "Evaluate the top-level form containing point, or after point.
-
-If the current defun is actually a call to `defvar' or `defcustom',
-evaluating it this way resets the variable using its initial value
-expression even if the variable already has some other value.
-\(Normally `defvar' and `defcustom' do not alter the value if there
-already is one.) In an analogous way, evaluating a `defface'
-overrides any customizations of the face, so that it becomes
-defined exactly as the `defface' expression says.
-
-If `eval-expression-debug-on-error' is non-nil, which is the default,
-this command arranges for all errors to enter the debugger.
-
-With a prefix argument, instrument the code for Edebug.
-
-If acting on a `defun' for FUNCTION, and the function was
-instrumented, `Edebug: FUNCTION' is printed in the minibuffer. If not
-instrumented, just FUNCTION is printed.
-
-If not acting on a `defun', the result of evaluation is displayed in
-the minibuffer. This display is controlled by the variables
-`eval-expression-print-length' and `eval-expression-print-level',
-which see."
- (interactive "P")
- (cond (edebug-it
- (require 'edebug)
- (eval-defun (not edebug-all-defs)))
- (t
- (if (null eval-expression-debug-on-error)
- (eval-defun-2)
- (let ((old-value (make-symbol "t")) new-value value)
- (let ((debug-on-error old-value))
- (setq value (eval-defun-2))
- (setq new-value debug-on-error))
- (unless (eq old-value new-value)
- (setq debug-on-error new-value))
- value)))))
-
-;; May still be used by some external Lisp-mode variant.
-(define-obsolete-function-alias 'lisp-comment-indent
- 'comment-indent-default "22.1")
-(define-obsolete-function-alias 'lisp-mode-auto-fill 'do-auto-fill "23.1")
-
-(defcustom lisp-indent-offset nil
- "If non-nil, indent second line of expressions that many more columns."
- :group 'lisp
- :type '(choice (const nil) integer))
-(put 'lisp-body-indent 'safe-local-variable
- (lambda (x) (or (null x) (integerp x))))
-
-(defvar lisp-indent-function 'lisp-indent-function)
-
-(defun lisp-indent-line (&optional whole-exp)
- "Indent current line as Lisp code.
-With argument, indent any additional lines of the same expression
-rigidly along with this one."
- (interactive "P")
- (let ((indent (calculate-lisp-indent)) shift-amt end
- (pos (- (point-max) (point)))
- (beg (progn (beginning-of-line) (point))))
- (skip-chars-forward " \t")
- (if (or (null indent) (looking-at "\\s<\\s<\\s<"))
- ;; Don't alter indentation of a ;;; comment line
- ;; or a line that starts in a string.
- (goto-char (- (point-max) pos))
- (if (and (looking-at "\\s<") (not (looking-at "\\s<\\s<")))
- ;; Single-semicolon comment lines should be indented
- ;; as comment lines, not as code.
- (progn (indent-for-comment) (forward-char -1))
- (if (listp indent) (setq indent (car indent)))
- (setq shift-amt (- indent (current-column)))
- (if (zerop shift-amt)
- nil
- (delete-region beg (point))
- (indent-to indent)))
- ;; If initial point was within line's indentation,
- ;; position after the indentation. Else stay at same point in text.
- (if (> (- (point-max) pos) (point))
- (goto-char (- (point-max) pos)))
- ;; If desired, shift remaining lines of expression the same amount.
- (and whole-exp (not (zerop shift-amt))
- (save-excursion
- (goto-char beg)
- (forward-sexp 1)
- (setq end (point))
- (goto-char beg)
- (forward-line 1)
- (setq beg (point))
- (> end beg))
- (indent-code-rigidly beg end shift-amt)))))
-
-(defvar calculate-lisp-indent-last-sexp)
-
-(defun calculate-lisp-indent (&optional parse-start)
- "Return appropriate indentation for current line as Lisp code.
-In usual case returns an integer: the column to indent to.
-If the value is nil, that means don't change the indentation
-because the line starts inside a string.
-
-The value can also be a list of the form (COLUMN CONTAINING-SEXP-START).
-This means that following lines at the same level of indentation
-should not necessarily be indented the same as this line.
-Then COLUMN is the column to indent to, and CONTAINING-SEXP-START
-is the buffer position of the start of the containing expression."
- (save-excursion
- (beginning-of-line)
- (let ((indent-point (point))
- state paren-depth
- ;; setting this to a number inhibits calling hook
- (desired-indent nil)
- (retry t)
- calculate-lisp-indent-last-sexp containing-sexp)
- (if parse-start
- (goto-char parse-start)
- (beginning-of-defun))
- ;; Find outermost containing sexp
- (while (< (point) indent-point)
- (setq state (parse-partial-sexp (point) indent-point 0)))
- ;; Find innermost containing sexp
- (while (and retry
- state
- (> (setq paren-depth (elt state 0)) 0))
- (setq retry nil)
- (setq calculate-lisp-indent-last-sexp (elt state 2))
- (setq containing-sexp (elt state 1))
- ;; Position following last unclosed open.
- (goto-char (1+ containing-sexp))
- ;; Is there a complete sexp since then?
- (if (and calculate-lisp-indent-last-sexp
- (> calculate-lisp-indent-last-sexp (point)))
- ;; Yes, but is there a containing sexp after that?
- (let ((peek (parse-partial-sexp calculate-lisp-indent-last-sexp
- indent-point 0)))
- (if (setq retry (car (cdr peek))) (setq state peek)))))
- (if retry
- nil
- ;; Innermost containing sexp found
- (goto-char (1+ containing-sexp))
- (if (not calculate-lisp-indent-last-sexp)
- ;; indent-point immediately follows open paren.
- ;; Don't call hook.
- (setq desired-indent (current-column))
- ;; Find the start of first element of containing sexp.
- (parse-partial-sexp (point) calculate-lisp-indent-last-sexp 0 t)
- (cond ((looking-at "\\s(")
- ;; First element of containing sexp is a list.
- ;; Indent under that list.
- )
- ((> (save-excursion (forward-line 1) (point))
- calculate-lisp-indent-last-sexp)
- ;; This is the first line to start within the containing sexp.
- ;; It's almost certainly a function call.
- (if (= (point) calculate-lisp-indent-last-sexp)
- ;; Containing sexp has nothing before this line
- ;; except the first element. Indent under that element.
- nil
- ;; Skip the first element, find start of second (the first
- ;; argument of the function call) and indent under.
- (progn (forward-sexp 1)
- (parse-partial-sexp (point)
- calculate-lisp-indent-last-sexp
- 0 t)))
- (backward-prefix-chars))
- (t
- ;; Indent beneath first sexp on same line as
- ;; `calculate-lisp-indent-last-sexp'. Again, it's
- ;; almost certainly a function call.
- (goto-char calculate-lisp-indent-last-sexp)
- (beginning-of-line)
- (parse-partial-sexp (point) calculate-lisp-indent-last-sexp
- 0 t)
- (backward-prefix-chars)))))
- ;; Point is at the point to indent under unless we are inside a string.
- ;; Call indentation hook except when overridden by lisp-indent-offset
- ;; or if the desired indentation has already been computed.
- (let ((normal-indent (current-column)))
- (cond ((elt state 3)
- ;; Inside a string, don't change indentation.
- nil)
- ((and (integerp lisp-indent-offset) containing-sexp)
- ;; Indent by constant offset
- (goto-char containing-sexp)
- (+ (current-column) lisp-indent-offset))
- ;; in this case calculate-lisp-indent-last-sexp is not nil
- (calculate-lisp-indent-last-sexp
- (or
- ;; try to align the parameters of a known function
- (and lisp-indent-function
- (not retry)
- (funcall lisp-indent-function indent-point state))
- ;; If the function has no special alignment
- ;; or it does not apply to this argument,
- ;; try to align a constant-symbol under the last
- ;; preceding constant symbol, if there is such one of
- ;; the last 2 preceding symbols, in the previous
- ;; uncommented line.
- (and (save-excursion
- (goto-char indent-point)
- (skip-chars-forward " \t")
- (looking-at ":"))
- ;; The last sexp may not be at the indentation
- ;; where it begins, so find that one, instead.
- (save-excursion
- (goto-char calculate-lisp-indent-last-sexp)
- (while (and (not (looking-back "^[ \t]*"))
- (or (not containing-sexp)
- (< (1+ containing-sexp) (point))))
- (forward-sexp -1)
- (backward-prefix-chars))
- (setq calculate-lisp-indent-last-sexp (point)))
- (> calculate-lisp-indent-last-sexp
- (save-excursion
- (goto-char (1+ containing-sexp))
- (parse-partial-sexp (point) calculate-lisp-indent-last-sexp 0 t)
- (point)))
- (let ((parse-sexp-ignore-comments t)
- indent)
- (goto-char calculate-lisp-indent-last-sexp)
- (or (and (looking-at ":")
- (setq indent (current-column)))
- (and (< (save-excursion (beginning-of-line) (point))
- (prog2 (backward-sexp) (point)))
- (looking-at ":")
- (setq indent (current-column))))
- indent))
- ;; another symbols or constants not preceded by a constant
- ;; as defined above.
- normal-indent))
- ;; in this case calculate-lisp-indent-last-sexp is nil
- (desired-indent)
- (t
- normal-indent))))))
-
-(defun lisp-indent-function (indent-point state)
- "This function is the normal value of the variable `lisp-indent-function'.
-It is used when indenting a line within a function call, to see if the
-called function says anything special about how to indent the line.
-
-INDENT-POINT is the position where the user typed TAB, or equivalent.
-Point is located at the point to indent under (for default indentation);
-STATE is the `parse-partial-sexp' state for that position.
-
-If the current line is in a call to a Lisp function
-which has a non-nil property `lisp-indent-function',
-that specifies how to do the indentation. The property value can be
-* `defun', meaning indent `defun'-style;
-* an integer N, meaning indent the first N arguments specially
- like ordinary function arguments and then indent any further
- arguments like a body;
-* a function to call just as this function was called.
- If that function returns nil, that means it doesn't specify
- the indentation.
-
-This function also returns nil meaning don't specify the indentation."
- (let ((normal-indent (current-column)))
- (goto-char (1+ (elt state 1)))
- (parse-partial-sexp (point) calculate-lisp-indent-last-sexp 0 t)
- (if (and (elt state 2)
- (not (looking-at "\\sw\\|\\s_")))
- ;; car of form doesn't seem to be a symbol
- (progn
- (if (not (> (save-excursion (forward-line 1) (point))
- calculate-lisp-indent-last-sexp))
- (progn (goto-char calculate-lisp-indent-last-sexp)
- (beginning-of-line)
- (parse-partial-sexp (point)
- calculate-lisp-indent-last-sexp 0 t)))
- ;; Indent under the list or under the first sexp on the same
- ;; line as calculate-lisp-indent-last-sexp. Note that first
- ;; thing on that line has to be complete sexp since we are
- ;; inside the innermost containing sexp.
- (backward-prefix-chars)
- (current-column))
- (let ((function (buffer-substring (point)
- (progn (forward-sexp 1) (point))))
- method)
- (setq method (or (get (intern-soft function) 'lisp-indent-function)
- (get (intern-soft function) 'lisp-indent-hook)))
- (cond ((or (eq method 'defun)
- (and (null method)
- (> (length function) 3)
- (string-match "\\`def" function)))
- (lisp-indent-defform state indent-point))
- ((integerp method)
- (lisp-indent-specform method state
- indent-point normal-indent))
- (method
- (funcall method indent-point state)))))))
-
-(defcustom lisp-body-indent 2
- "Number of columns to indent the second line of a `(def...)' form."
- :group 'lisp
- :type 'integer)
-(put 'lisp-body-indent 'safe-local-variable 'integerp)
-
-(defun lisp-indent-specform (count state indent-point normal-indent)
- (let ((containing-form-start (elt state 1))
- (i count)
- body-indent containing-form-column)
- ;; Move to the start of containing form, calculate indentation
- ;; to use for non-distinguished forms (> count), and move past the
- ;; function symbol. lisp-indent-function guarantees that there is at
- ;; least one word or symbol character following open paren of containing
- ;; form.
- (goto-char containing-form-start)
- (setq containing-form-column (current-column))
- (setq body-indent (+ lisp-body-indent containing-form-column))
- (forward-char 1)
- (forward-sexp 1)
- ;; Now find the start of the last form.
- (parse-partial-sexp (point) indent-point 1 t)
- (while (and (< (point) indent-point)
- (condition-case ()
- (progn
- (setq count (1- count))
- (forward-sexp 1)
- (parse-partial-sexp (point) indent-point 1 t))
- (error nil))))
- ;; Point is sitting on first character of last (or count) sexp.
- (if (> count 0)
- ;; A distinguished form. If it is the first or second form use double
- ;; lisp-body-indent, else normal indent. With lisp-body-indent bound
- ;; to 2 (the default), this just happens to work the same with if as
- ;; the older code, but it makes unwind-protect, condition-case,
- ;; with-output-to-temp-buffer, et. al. much more tasteful. The older,
- ;; less hacked, behavior can be obtained by replacing below with
- ;; (list normal-indent containing-form-start).
- (if (<= (- i count) 1)
- (list (+ containing-form-column (* 2 lisp-body-indent))
- containing-form-start)
- (list normal-indent containing-form-start))
- ;; A non-distinguished form. Use body-indent if there are no
- ;; distinguished forms and this is the first undistinguished form,
- ;; or if this is the first undistinguished form and the preceding
- ;; distinguished form has indentation at least as great as body-indent.
- (if (or (and (= i 0) (= count 0))
- (and (= count 0) (<= body-indent normal-indent)))
- body-indent
- normal-indent))))
-
-(defun lisp-indent-defform (state indent-point)
- (goto-char (car (cdr state)))
- (forward-line 1)
- (if (> (point) (car (cdr (cdr state))))
- (progn
- (goto-char (car (cdr state)))
- (+ lisp-body-indent (current-column)))))
-
-
-;; (put 'progn 'lisp-indent-function 0), say, causes progn to be indented
-;; like defun if the first form is placed on the next line, otherwise
-;; it is indented like any other form (i.e. forms line up under first).
-
-(put 'lambda 'lisp-indent-function 'defun)
-(put 'autoload 'lisp-indent-function 'defun)
-(put 'progn 'lisp-indent-function 0)
-(put 'prog1 'lisp-indent-function 1)
-(put 'prog2 'lisp-indent-function 2)
-(put 'save-excursion 'lisp-indent-function 0)
-(put 'save-window-excursion 'lisp-indent-function 0)
-(put 'save-selected-window 'lisp-indent-function 0)
-(put 'save-restriction 'lisp-indent-function 0)
-(put 'save-match-data 'lisp-indent-function 0)
-(put 'save-current-buffer 'lisp-indent-function 0)
-(put 'with-current-buffer 'lisp-indent-function 1)
-(put 'combine-after-change-calls 'lisp-indent-function 0)
-(put 'with-output-to-string 'lisp-indent-function 0)
-(put 'with-temp-file 'lisp-indent-function 1)
-(put 'with-temp-buffer 'lisp-indent-function 0)
-(put 'with-temp-message 'lisp-indent-function 1)
-(put 'with-syntax-table 'lisp-indent-function 1)
-(put 'let 'lisp-indent-function 1)
-(put 'let* 'lisp-indent-function 1)
-(put 'while 'lisp-indent-function 1)
-(put 'if 'lisp-indent-function 2)
-(put 'read-if 'lisp-indent-function 2)
-(put 'catch 'lisp-indent-function 1)
-(put 'condition-case 'lisp-indent-function 2)
-(put 'unwind-protect 'lisp-indent-function 1)
-(put 'with-output-to-temp-buffer 'lisp-indent-function 1)
-(put 'eval-after-load 'lisp-indent-function 1)
-(put 'dolist 'lisp-indent-function 1)
-(put 'dotimes 'lisp-indent-function 1)
-(put 'when 'lisp-indent-function 1)
-(put 'unless 'lisp-indent-function 1)
-
-(defun indent-sexp (&optional endpos)
- "Indent each line of the list starting just after point.
-If optional arg ENDPOS is given, indent each line, stopping when
-ENDPOS is encountered."
- (interactive)
- (let ((indent-stack (list nil))
- (next-depth 0)
- ;; If ENDPOS is non-nil, use nil as STARTING-POINT
- ;; so that calculate-lisp-indent will find the beginning of
- ;; the defun we are in.
- ;; If ENDPOS is nil, it is safe not to scan before point
- ;; since every line we indent is more deeply nested than point is.
- (starting-point (if endpos nil (point)))
- (last-point (point))
- last-depth bol outer-loop-done inner-loop-done state this-indent)
- (or endpos
- ;; Get error now if we don't have a complete sexp after point.
- (save-excursion (forward-sexp 1)))
- (save-excursion
- (setq outer-loop-done nil)
- (while (if endpos (< (point) endpos)
- (not outer-loop-done))
- (setq last-depth next-depth
- inner-loop-done nil)
- ;; Parse this line so we can learn the state
- ;; to indent the next line.
- ;; This inner loop goes through only once
- ;; unless a line ends inside a string.
- (while (and (not inner-loop-done)
- (not (setq outer-loop-done (eobp))))
- (setq state (parse-partial-sexp (point) (progn (end-of-line) (point))
- nil nil state))
- (setq next-depth (car state))
- ;; If the line contains a comment other than the sort
- ;; that is indented like code,
- ;; indent it now with indent-for-comment.
- ;; Comments indented like code are right already.
- ;; In any case clear the in-comment flag in the state
- ;; because parse-partial-sexp never sees the newlines.
- (if (car (nthcdr 4 state))
- (progn (indent-for-comment)
- (end-of-line)
- (setcar (nthcdr 4 state) nil)))
- ;; If this line ends inside a string,
- ;; go straight to next line, remaining within the inner loop,
- ;; and turn off the \-flag.
- (if (car (nthcdr 3 state))
- (progn
- (forward-line 1)
- (setcar (nthcdr 5 state) nil))
- (setq inner-loop-done t)))
- (and endpos
- (<= next-depth 0)
- (progn
- (setq indent-stack (nconc indent-stack
- (make-list (- next-depth) nil))
- last-depth (- last-depth next-depth)
- next-depth 0)))
- (forward-line 1)
- ;; Decide whether to exit.
- (if endpos
- ;; If we have already reached the specified end,
- ;; give up and do not reindent this line.
- (if (<= endpos (point))
- (setq outer-loop-done t))
- ;; If no specified end, we are done if we have finished one sexp.
- (if (<= next-depth 0)
- (setq outer-loop-done t)))
- (unless outer-loop-done
- (while (> last-depth next-depth)
- (setq indent-stack (cdr indent-stack)
- last-depth (1- last-depth)))
- (while (< last-depth next-depth)
- (setq indent-stack (cons nil indent-stack)
- last-depth (1+ last-depth)))
- ;; Now indent the next line according
- ;; to what we learned from parsing the previous one.
- (setq bol (point))
- (skip-chars-forward " \t")
- ;; But not if the line is blank, or just a comment
- ;; (except for double-semi comments; indent them as usual).
- (if (or (eobp) (looking-at "\\s<\\|\n"))
- nil
- (if (and (car indent-stack)
- (>= (car indent-stack) 0))
- (setq this-indent (car indent-stack))
- (let ((val (calculate-lisp-indent
- (if (car indent-stack) (- (car indent-stack))
- starting-point))))
- (if (null val)
- (setq this-indent val)
- (if (integerp val)
- (setcar indent-stack
- (setq this-indent val))
- (setcar indent-stack (- (car (cdr val))))
- (setq this-indent (car val))))))
- (if (and this-indent (/= (current-column) this-indent))
- (progn (delete-region bol (point))
- (indent-to this-indent)))))
- (or outer-loop-done
- (setq outer-loop-done (= (point) last-point))
- (setq last-point (point)))))))
-
-(defun lisp-indent-region (start end)
- "Indent every line whose first char is between START and END inclusive."
- (save-excursion
- (let ((endmark (copy-marker end)))
- (goto-char start)
- (and (bolp) (not (eolp))
- (lisp-indent-line))
- (indent-sexp endmark)
- (set-marker endmark nil))))
-
-(defun indent-pp-sexp (&optional arg)
- "Indent each line of the list starting just after point, or prettyprint it.
-A prefix argument specifies pretty-printing."
- (interactive "P")
- (if arg
- (save-excursion
- (save-restriction
- (narrow-to-region (point) (progn (forward-sexp 1) (point)))
- (pp-buffer)
- (goto-char (point-max))
- (if (eq (char-before) ?\n)
- (delete-char -1)))))
- (indent-sexp))
-
-;;;; Lisp paragraph filling commands.
-
-(defcustom emacs-lisp-docstring-fill-column 65
- "Value of `fill-column' to use when filling a docstring.
-Any non-integer value means do not use a different value of
-`fill-column' when filling docstrings."
- :type '(choice (integer)
- (const :tag "Use the current `fill-column'" t))
- :group 'lisp)
-
-(defun lisp-fill-paragraph (&optional justify)
- "Like \\[fill-paragraph], but handle Emacs Lisp comments and docstrings.
-If any of the current line is a comment, fill the comment or the
-paragraph of it that point is in, preserving the comment's indentation
-and initial semicolons."
- (interactive "P")
- (or (fill-comment-paragraph justify)
- ;; Since fill-comment-paragraph returned nil, that means we're not in
- ;; a comment: Point is on a program line; we are interested
- ;; particularly in docstring lines.
- ;;
- ;; We bind `paragraph-start' and `paragraph-separate' temporarily. They
- ;; are buffer-local, but we avoid changing them so that they can be set
- ;; to make `forward-paragraph' and friends do something the user wants.
- ;;
- ;; `paragraph-start': The `(' in the character alternative and the
- ;; left-singlequote plus `(' sequence after the \\| alternative prevent
- ;; sexps and backquoted sexps that follow a docstring from being filled
- ;; with the docstring. This setting has the consequence of inhibiting
- ;; filling many program lines that are not docstrings, which is sensible,
- ;; because the user probably asked to fill program lines by accident, or
- ;; expecting indentation (perhaps we should try to do indenting in that
- ;; case). The `;' and `:' stop the paragraph being filled at following
- ;; comment lines and at keywords (e.g., in `defcustom'). Left parens are
- ;; escaped to keep font-locking, filling, & paren matching in the source
- ;; file happy.
- ;;
- ;; `paragraph-separate': A clever regexp distinguishes the first line of
- ;; a docstring and identifies it as a paragraph separator, so that it
- ;; won't be filled. (Since the first line of documentation stands alone
- ;; in some contexts, filling should not alter the contents the author has
- ;; chosen.) Only the first line of a docstring begins with whitespace
- ;; and a quotation mark and ends with a period or (rarely) a comma.
- ;;
- ;; The `fill-column' is temporarily bound to
- ;; `emacs-lisp-docstring-fill-column' if that value is an integer.
- (let ((paragraph-start (concat paragraph-start
- "\\|\\s-*\\([(;:\"]\\|`(\\|#'(\\)"))
- (paragraph-separate
- (concat paragraph-separate "\\|\\s-*\".*[,\\.]$"))
- (fill-column (if (and (integerp emacs-lisp-docstring-fill-column)
- (derived-mode-p 'emacs-lisp-mode))
- emacs-lisp-docstring-fill-column
- fill-column)))
- (fill-paragraph justify))
- ;; Never return nil.
- t))
-
-(defun indent-code-rigidly (start end arg &optional nochange-regexp)
- "Indent all lines of code, starting in the region, sideways by ARG columns.
-Does not affect lines starting inside comments or strings, assuming that
-the start of the region is not inside them.
-
-Called from a program, takes args START, END, COLUMNS and NOCHANGE-REGEXP.
-The last is a regexp which, if matched at the beginning of a line,
-means don't indent that line."
- (interactive "r\np")
- (let (state)
- (save-excursion
- (goto-char end)
- (setq end (point-marker))
- (goto-char start)
- (or (bolp)
- (setq state (parse-partial-sexp (point)
- (progn
- (forward-line 1) (point))
- nil nil state)))
- (while (< (point) end)
- (or (car (nthcdr 3 state))
- (and nochange-regexp
- (looking-at nochange-regexp))
- ;; If line does not start in string, indent it
- (let ((indent (current-indentation)))
- (delete-region (point) (progn (skip-chars-forward " \t") (point)))
- (or (eolp)
- (indent-to (max 0 (+ indent arg)) 0))))
- (setq state (parse-partial-sexp (point)
- (progn
- (forward-line 1) (point))
- nil nil state))))))
-
-(provide 'lisp-mode)
-
-;; arch-tag: 414c7f93-c245-4b77-8ed5-ed05ef7ff1bf
-;;; lisp-mode.el ends here
+;;; lisp-mode.el --- Lisp mode, and its idiosyncratic commands\r
+\r
+;; Copyright (C) 1985, 1986, 1999, 2000, 2001, 2002, 2003, 2004,\r
+;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.\r
+\r
+;; Maintainer: FSF\r
+;; Keywords: lisp, languages\r
+\r
+;; This file is part of GNU Emacs.\r
+\r
+;; GNU Emacs is free software: you can redistribute it and/or modify\r
+;; it under the terms of the GNU General Public License as published by\r
+;; the Free Software Foundation, either version 3 of the License, or\r
+;; (at your option) any later version.\r
+\r
+;; GNU Emacs is distributed in the hope that it will be useful,\r
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+;; GNU General Public License for more details.\r
+\r
+;; You should have received a copy of the GNU General Public License\r
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.\r
+\r
+;;; Commentary:\r
+\r
+;; The base major mode for editing Lisp code (used also for Emacs Lisp).\r
+;; This mode is documented in the Emacs manual.\r
+\r
+;;; Code:\r
+\r
+(defvar font-lock-comment-face)\r
+(defvar font-lock-doc-face)\r
+(defvar font-lock-keywords-case-fold-search)\r
+(defvar font-lock-string-face)\r
+\r
+(defvar lisp-mode-abbrev-table nil)\r
+\r
+(define-abbrev-table 'lisp-mode-abbrev-table ())\r
+\r
+(defvar emacs-lisp-mode-syntax-table\r
+ (let ((table (make-syntax-table)))\r
+ (let ((i 0))\r
+ (while (< i ?0)\r
+ (modify-syntax-entry i "_ " table)\r
+ (setq i (1+ i)))\r
+ (setq i (1+ ?9))\r
+ (while (< i ?A)\r
+ (modify-syntax-entry i "_ " table)\r
+ (setq i (1+ i)))\r
+ (setq i (1+ ?Z))\r
+ (while (< i ?a)\r
+ (modify-syntax-entry i "_ " table)\r
+ (setq i (1+ i)))\r
+ (setq i (1+ ?z))\r
+ (while (< i 128)\r
+ (modify-syntax-entry i "_ " table)\r
+ (setq i (1+ i)))\r
+ (modify-syntax-entry ?\s " " table)\r
+ ;; Non-break space acts as whitespace.\r
+ (modify-syntax-entry ?\x8a0 " " table)\r
+ (modify-syntax-entry ?\t " " table)\r
+ (modify-syntax-entry ?\f " " table)\r
+ (modify-syntax-entry ?\n "> " table)\r
+ ;; This is probably obsolete since nowadays such features use overlays.\r
+ ;; ;; Give CR the same syntax as newline, for selective-display.\r
+ ;; (modify-syntax-entry ?\^m "> " table)\r
+ (modify-syntax-entry ?\; "< " table)\r
+ (modify-syntax-entry ?` "' " table)\r
+ (modify-syntax-entry ?' "' " table)\r
+ (modify-syntax-entry ?, "' " table)\r
+ (modify-syntax-entry ?@ "' " table)\r
+ ;; Used to be singlequote; changed for flonums.\r
+ (modify-syntax-entry ?. "_ " table)\r
+ (modify-syntax-entry ?# "' " table)\r
+ (modify-syntax-entry ?\" "\" " table)\r
+ (modify-syntax-entry ?\\ "\\ " table)\r
+ (modify-syntax-entry ?\( "() " table)\r
+ (modify-syntax-entry ?\) ")( " table)\r
+ (modify-syntax-entry ?\[ "(] " table)\r
+ (modify-syntax-entry ?\] ")[ " table))\r
+ table))\r
+\r
+(defvar lisp-mode-syntax-table\r
+ (let ((table (copy-syntax-table emacs-lisp-mode-syntax-table)))\r
+ (modify-syntax-entry ?\[ "_ " table)\r
+ (modify-syntax-entry ?\] "_ " table)\r
+ (modify-syntax-entry ?# "' 14b" table)\r
+ (modify-syntax-entry ?| "\" 23bn" table)\r
+ table))\r
+\r
+(defvar lisp-imenu-generic-expression\r
+ (list\r
+ (list nil\r
+ (purecopy (concat "^\\s-*("\r
+ (eval-when-compile\r
+ (regexp-opt\r
+ '("defun" "defun*" "defsubst" "defmacro"\r
+ "defadvice" "define-skeleton"\r
+ "define-minor-mode" "define-global-minor-mode"\r
+ "define-globalized-minor-mode"\r
+ "define-derived-mode" "define-generic-mode"\r
+ "define-compiler-macro" "define-modify-macro"\r
+ "defsetf" "define-setf-expander"\r
+ "define-method-combination"\r
+ "defgeneric" "defmethod") t))\r
+ "\\s-+\\(\\(\\sw\\|\\s_\\)+\\)"))\r
+ 2)\r
+ (list (purecopy "Variables")\r
+ (purecopy (concat "^\\s-*("\r
+ (eval-when-compile\r
+ (regexp-opt\r
+ '("defvar" "defconst" "defconstant" "defcustom"\r
+ "defparameter" "define-symbol-macro") t))\r
+ "\\s-+\\(\\(\\sw\\|\\s_\\)+\\)"))\r
+ 2)\r
+ (list (purecopy "Types")\r
+ (purecopy (concat "^\\s-*("\r
+ (eval-when-compile\r
+ (regexp-opt\r
+ '("defgroup" "deftheme" "deftype" "defstruct"\r
+ "defclass" "define-condition" "define-widget"\r
+ "defface" "defpackage") t))\r
+ "\\s-+'?\\(\\(\\sw\\|\\s_\\)+\\)"))\r
+ 2))\r
+\r
+ "Imenu generic expression for Lisp mode. See `imenu-generic-expression'.")\r
+\r
+;; This was originally in autoload.el and is still used there.\r
+(put 'autoload 'doc-string-elt 3)\r
+(put 'defun 'doc-string-elt 3)\r
+(put 'defun* 'doc-string-elt 3)\r
+(put 'defvar 'doc-string-elt 3)\r
+(put 'defcustom 'doc-string-elt 3)\r
+(put 'deftheme 'doc-string-elt 2)\r
+(put 'defconst 'doc-string-elt 3)\r
+(put 'defmacro 'doc-string-elt 3)\r
+(put 'defmacro* 'doc-string-elt 3)\r
+(put 'defsubst 'doc-string-elt 3)\r
+(put 'defstruct 'doc-string-elt 2)\r
+(put 'define-skeleton 'doc-string-elt 2)\r
+(put 'define-derived-mode 'doc-string-elt 4)\r
+(put 'define-compilation-mode 'doc-string-elt 3)\r
+(put 'easy-mmode-define-minor-mode 'doc-string-elt 2)\r
+(put 'define-minor-mode 'doc-string-elt 2)\r
+(put 'easy-mmode-define-global-mode 'doc-string-elt 2)\r
+(put 'define-global-minor-mode 'doc-string-elt 2)\r
+(put 'define-globalized-minor-mode 'doc-string-elt 2)\r
+(put 'define-generic-mode 'doc-string-elt 7)\r
+(put 'define-ibuffer-filter 'doc-string-elt 2)\r
+(put 'define-ibuffer-op 'doc-string-elt 3)\r
+(put 'define-ibuffer-sorter 'doc-string-elt 2)\r
+(put 'lambda 'doc-string-elt 2)\r
+(put 'defalias 'doc-string-elt 3)\r
+(put 'defvaralias 'doc-string-elt 3)\r
+(put 'define-category 'doc-string-elt 2)\r
+\r
+(defvar lisp-doc-string-elt-property 'doc-string-elt\r
+ "The symbol property that holds the docstring position info.")\r
+\r
+(defun lisp-font-lock-syntactic-face-function (state)\r
+ (if (nth 3 state)\r
+ ;; This might be a (doc)string or a |...| symbol.\r
+ (let ((startpos (nth 8 state)))\r
+ (if (eq (char-after startpos) ?|)\r
+ ;; This is not a string, but a |...| symbol.\r
+ nil\r
+ (let* ((listbeg (nth 1 state))\r
+ (firstsym (and listbeg\r
+ (save-excursion\r
+ (goto-char listbeg)\r
+ (and (looking-at "([ \t\n]*\\(\\(\\sw\\|\\s_\\)+\\)")\r
+ (match-string 1)))))\r
+ (docelt (and firstsym (get (intern-soft firstsym)\r
+ lisp-doc-string-elt-property))))\r
+ (if (and docelt\r
+ ;; It's a string in a form that can have a docstring.\r
+ ;; Check whether it's in docstring position.\r
+ (save-excursion\r
+ (when (functionp docelt)\r
+ (goto-char (match-end 1))\r
+ (setq docelt (funcall docelt)))\r
+ (goto-char listbeg)\r
+ (forward-char 1)\r
+ (condition-case nil\r
+ (while (and (> docelt 0) (< (point) startpos)\r
+ (progn (forward-sexp 1) t))\r
+ (setq docelt (1- docelt)))\r
+ (error nil))\r
+ (and (zerop docelt) (<= (point) startpos)\r
+ (progn (forward-comment (point-max)) t)\r
+ (= (point) (nth 8 state)))))\r
+ font-lock-doc-face\r
+ font-lock-string-face))))\r
+ font-lock-comment-face))\r
+\r
+;; The LISP-SYNTAX argument is used by code in inf-lisp.el and is\r
+;; (uselessly) passed from pp.el, chistory.el, gnus-kill.el and score-mode.el\r
+(defun lisp-mode-variables (&optional lisp-syntax)\r
+ (when lisp-syntax\r
+ (set-syntax-table lisp-mode-syntax-table))\r
+ (setq local-abbrev-table lisp-mode-abbrev-table)\r
+ (make-local-variable 'paragraph-ignore-fill-prefix)\r
+ (setq paragraph-ignore-fill-prefix t)\r
+ (make-local-variable 'fill-paragraph-function)\r
+ (setq fill-paragraph-function 'lisp-fill-paragraph)\r
+ ;; Adaptive fill mode gets the fill wrong for a one-line paragraph made of\r
+ ;; a single docstring. Let's fix it here.\r
+ (set (make-local-variable 'adaptive-fill-function)\r
+ (lambda () (if (looking-at "\\s-+\"[^\n\"]+\"\\s-*$") "")))\r
+ ;; Adaptive fill mode gets in the way of auto-fill,\r
+ ;; and should make no difference for explicit fill\r
+ ;; because lisp-fill-paragraph should do the job.\r
+ ;; I believe that newcomment's auto-fill code properly deals with it -stef\r
+ ;;(set (make-local-variable 'adaptive-fill-mode) nil)\r
+ (make-local-variable 'indent-line-function)\r
+ (setq indent-line-function 'lisp-indent-line)\r
+ (make-local-variable 'parse-sexp-ignore-comments)\r
+ (setq parse-sexp-ignore-comments t)\r
+ (make-local-variable 'outline-regexp)\r
+ (setq outline-regexp ";;;\\(;* [^ \t\n]\\|###autoload\\)\\|(")\r
+ (make-local-variable 'outline-level)\r
+ (setq outline-level 'lisp-outline-level)\r
+ (make-local-variable 'comment-start)\r
+ (setq comment-start ";")\r
+ (make-local-variable 'comment-start-skip)\r
+ ;; Look within the line for a ; following an even number of backslashes\r
+ ;; after either a non-backslash or the line beginning.\r
+ (setq comment-start-skip "\\(\\(^\\|[^\\\\\n]\\)\\(\\\\\\\\\\)*\\);+ *")\r
+ (make-local-variable 'font-lock-comment-start-skip)\r
+ ;; Font lock mode uses this only when it KNOWS a comment is starting.\r
+ (setq font-lock-comment-start-skip ";+ *")\r
+ (make-local-variable 'comment-add)\r
+ (setq comment-add 1) ;default to `;;' in comment-region\r
+ (make-local-variable 'comment-column)\r
+ (setq comment-column 40)\r
+ ;; Don't get confused by `;' in doc strings when paragraph-filling.\r
+ (set (make-local-variable 'comment-use-global-state) t)\r
+ (make-local-variable 'imenu-generic-expression)\r
+ (setq imenu-generic-expression lisp-imenu-generic-expression)\r
+ (make-local-variable 'multibyte-syntax-as-symbol)\r
+ (setq multibyte-syntax-as-symbol t)\r
+ (set (make-local-variable 'syntax-begin-function) 'beginning-of-defun)\r
+ (setq font-lock-defaults\r
+ '((lisp-font-lock-keywords\r
+ lisp-font-lock-keywords-1 lisp-font-lock-keywords-2)\r
+ nil nil (("+-*/.<>=!?$%_&~^:@" . "w")) nil\r
+ (font-lock-mark-block-function . mark-defun)\r
+ (font-lock-syntactic-face-function\r
+ . lisp-font-lock-syntactic-face-function))))\r
+\r
+(defun lisp-outline-level ()\r
+ "Lisp mode `outline-level' function."\r
+ (let ((len (- (match-end 0) (match-beginning 0))))\r
+ (if (looking-at "(\\|;;;###autoload")\r
+ 1000\r
+ len)))\r
+\r
+(defvar lisp-mode-shared-map\r
+ (let ((map (make-sparse-keymap)))\r
+ (define-key map "\e\C-q" 'indent-sexp)\r
+ (define-key map "\177" 'backward-delete-char-untabify)\r
+ ;; This gets in the way when viewing a Lisp file in view-mode. As\r
+ ;; long as [backspace] is mapped into DEL via the\r
+ ;; function-key-map, this should remain disabled!!\r
+ ;;;(define-key map [backspace] 'backward-delete-char-untabify)\r
+ map)\r
+ "Keymap for commands shared by all sorts of Lisp modes.")\r
+\r
+(defvar emacs-lisp-mode-map\r
+ (let ((map (make-sparse-keymap "Emacs-Lisp"))\r
+ (menu-map (make-sparse-keymap "Emacs-Lisp"))\r
+ (prof-map (make-sparse-keymap))\r
+ (tracing-map (make-sparse-keymap)))\r
+ (set-keymap-parent map lisp-mode-shared-map)\r
+ (define-key map "\e\t" 'lisp-complete-symbol)\r
+ (define-key map "\e\C-x" 'eval-defun)\r
+ (define-key map "\e\C-q" 'indent-pp-sexp)\r
+ (define-key map [menu-bar emacs-lisp] (cons "Emacs-Lisp" menu-map))\r
+ (define-key menu-map [eldoc]\r
+ '(menu-item "Auto-Display Documentation Strings" eldoc-mode\r
+ :button (:toggle . (bound-and-true-p eldoc-mode))\r
+ :help "Display the documentation string for the item under cursor"))\r
+ (define-key menu-map [checkdoc]\r
+ '(menu-item "Check Documentation Strings" checkdoc\r
+ :help "Check documentation strings for style requirements"))\r
+ (define-key menu-map [re-builder]\r
+ '(menu-item "Construct Regexp" re-builder\r
+ :help "Construct a regexp interactively"))\r
+ (define-key menu-map [tracing] (cons "Tracing" tracing-map))\r
+ (define-key tracing-map [tr-a]\r
+ '(menu-item "Untrace all" untrace-all\r
+ :help "Untraces all currently traced functions"))\r
+ (define-key tracing-map [tr-uf]\r
+ '(menu-item "Untrace function..." untrace-function\r
+ :help "Untraces FUNCTION and possibly activates all remaining advice"))\r
+ (define-key tracing-map [tr-sep] '("--"))\r
+ (define-key tracing-map [tr-q]\r
+ '(menu-item "Trace function quietly..." trace-function-background\r
+ :help "Trace the function with trace output going quietly to a buffer"))\r
+ (define-key tracing-map [tr-f]\r
+ '(menu-item "Trace function..." trace-function\r
+ :help "Trace the function given as a argument"))\r
+ (define-key menu-map [profiling] (cons "Profiling" prof-map))\r
+ (define-key prof-map [prof-restall]\r
+ '(menu-item "Remove Instrumentation for All Functions" elp-restore-all\r
+ :help "Restore the original definitions of all functions being profiled"))\r
+ (define-key prof-map [prof-restfunc]\r
+ '(menu-item "Remove Instrumentation for Function..." elp-restore-function\r
+ :help "Restore an instrumented function to its original definition"))\r
+\r
+ (define-key prof-map [sep-rem] '("--"))\r
+ (define-key prof-map [prof-resall]\r
+ '(menu-item "Reset Counters for All Functions" elp-reset-all\r
+ :help "Reset the profiling information for all functions being profiled"))\r
+ (define-key prof-map [prof-resfunc]\r
+ '(menu-item "Reset Counters for Function..." elp-reset-function\r
+ :help "Reset the profiling information for a function"))\r
+ (define-key prof-map [prof-res]\r
+ '(menu-item "Show Profiling Results" elp-results\r
+ :help "Display current profiling results"))\r
+ (define-key prof-map [prof-pack]\r
+ '(menu-item "Instrument Package..." elp-instrument-package\r
+ :help "Instrument for profiling all function that start with a prefix"))\r
+ (define-key prof-map [prof-func]\r
+ '(menu-item "Instrument Function..." elp-instrument-function\r
+ :help "Instrument a function for profiling"))\r
+ (define-key menu-map [edebug-defun]\r
+ '(menu-item "Instrument Function for Debugging" edebug-defun\r
+ :help "Evaluate the top level form point is in, stepping through with Edebug"\r
+ :keys "C-u C-M-x"))\r
+ (define-key menu-map [separator-byte] '("--"))\r
+ (define-key menu-map [disas]\r
+ '(menu-item "Disassemble byte compiled object..." disassemble\r
+ :help "Print disassembled code for OBJECT in a buffer"))\r
+ (define-key menu-map [byte-recompile]\r
+ '(menu-item "Byte-recompile Directory..." byte-recompile-directory\r
+ :help "Recompile every `.el' file in DIRECTORY that needs recompilation"))\r
+ (define-key menu-map [emacs-byte-compile-and-load]\r
+ '(menu-item "Byte-compile And Load" emacs-lisp-byte-compile-and-load\r
+ :help "Byte-compile the current file (if it has changed), then load compiled code"))\r
+ (define-key menu-map [byte-compile]\r
+ '(menu-item "Byte-compile This File" emacs-lisp-byte-compile\r
+ :help "Byte compile the file containing the current buffer"))\r
+ (define-key menu-map [separator-eval] '("--"))\r
+ (define-key menu-map [ielm]\r
+ '(menu-item "Interactive Expression Evaluation" ielm\r
+ :help "Interactively evaluate Emacs Lisp expressions"))\r
+ (define-key menu-map [eval-buffer]\r
+ '(menu-item "Evaluate Buffer" eval-buffer\r
+ :help "Execute the current buffer as Lisp code"))\r
+ (define-key menu-map [eval-region]\r
+ '(menu-item "Evaluate Region" eval-region\r
+ :help "Execute the region as Lisp code"\r
+ :enable mark-active))\r
+ (define-key menu-map [eval-sexp]\r
+ '(menu-item "Evaluate Last S-expression" eval-last-sexp\r
+ :help "Evaluate sexp before point; print value in minibuffer"))\r
+ (define-key menu-map [separator-format] '("--"))\r
+ (define-key menu-map [comment-region]\r
+ '(menu-item "Comment Out Region" comment-region\r
+ :help "Comment or uncomment each line in the region"\r
+ :enable mark-active))\r
+ (define-key menu-map [indent-region]\r
+ '(menu-item "Indent Region" indent-region\r
+ :help "Indent each nonblank line in the region"\r
+ :enable mark-active))\r
+ (define-key menu-map [indent-line] '("Indent Line" . lisp-indent-line))\r
+ map)\r
+ "Keymap for Emacs Lisp mode.\r
+All commands in `lisp-mode-shared-map' are inherited by this map.")\r
+\r
+(defun emacs-lisp-byte-compile ()\r
+ "Byte compile the file containing the current buffer."\r
+ (interactive)\r
+ (if buffer-file-name\r
+ (byte-compile-file buffer-file-name)\r
+ (error "The buffer must be saved in a file first")))\r
+\r
+(defun emacs-lisp-byte-compile-and-load ()\r
+ "Byte-compile the current file (if it has changed), then load compiled code."\r
+ (interactive)\r
+ (or buffer-file-name\r
+ (error "The buffer must be saved in a file first"))\r
+ (require 'bytecomp)\r
+ ;; Recompile if file or buffer has changed since last compilation.\r
+ (if (and (buffer-modified-p)\r
+ (y-or-n-p (format "Save buffer %s first? " (buffer-name))))\r
+ (save-buffer))\r
+ (let ((compiled-file-name (byte-compile-dest-file buffer-file-name)))\r
+ (if (file-newer-than-file-p compiled-file-name buffer-file-name)\r
+ (load-file compiled-file-name)\r
+ (byte-compile-file buffer-file-name t))))\r
+\r
+(defcustom emacs-lisp-mode-hook nil\r
+ "Hook run when entering Emacs Lisp mode."\r
+ :options '(turn-on-eldoc-mode imenu-add-menubar-index checkdoc-minor-mode)\r
+ :type 'hook\r
+ :group 'lisp)\r
+\r
+(defcustom lisp-mode-hook nil\r
+ "Hook run when entering Lisp mode."\r
+ :options '(imenu-add-menubar-index)\r
+ :type 'hook\r
+ :group 'lisp)\r
+\r
+(defcustom lisp-interaction-mode-hook nil\r
+ "Hook run when entering Lisp Interaction mode."\r
+ :options '(turn-on-eldoc-mode)\r
+ :type 'hook\r
+ :group 'lisp)\r
+\r
+(defun emacs-lisp-mode ()\r
+ "Major mode for editing Lisp code to run in Emacs.\r
+Commands:\r
+Delete converts tabs to spaces as it moves back.\r
+Blank lines separate paragraphs. Semicolons start comments.\r
+\\{emacs-lisp-mode-map}\r
+Entry to this mode calls the value of `emacs-lisp-mode-hook'\r
+if that value is non-nil."\r
+ (interactive)\r
+ (kill-all-local-variables)\r
+ (use-local-map emacs-lisp-mode-map)\r
+ (set-syntax-table emacs-lisp-mode-syntax-table)\r
+ (setq major-mode 'emacs-lisp-mode)\r
+ (setq mode-name "Emacs-Lisp")\r
+ (lisp-mode-variables)\r
+ (setq imenu-case-fold-search nil)\r
+ (run-mode-hooks 'emacs-lisp-mode-hook))\r
+(put 'emacs-lisp-mode 'custom-mode-group 'lisp)\r
+\r
+(defvar lisp-mode-map\r
+ (let ((map (make-sparse-keymap))\r
+ (menu-map (make-sparse-keymap "Lisp")))\r
+ (set-keymap-parent map lisp-mode-shared-map)\r
+ (define-key map "\e\C-x" 'lisp-eval-defun)\r
+ (define-key map "\C-c\C-z" 'run-lisp)\r
+ (define-key map [menu-bar lisp] (cons "Lisp" menu-map))\r
+ (define-key menu-map [run-lisp]\r
+ '(menu-item "Run inferior Lisp" run-lisp\r
+ :help "Run an inferior Lisp process, input and output via buffer `*inferior-lisp*'"))\r
+ (define-key menu-map [ev-def]\r
+ '(menu-item "Eval defun" lisp-eval-defun\r
+ :help "Send the current defun to the Lisp process made by M-x run-lisp"))\r
+ (define-key menu-map [ind-sexp]\r
+ '(menu-item "Indent sexp" indent-sexp\r
+ :help "Indent each line of the list starting just after point"))\r
+ map)\r
+ "Keymap for ordinary Lisp mode.\r
+All commands in `lisp-mode-shared-map' are inherited by this map.")\r
+\r
+(defun lisp-mode ()\r
+ "Major mode for editing Lisp code for Lisps other than GNU Emacs Lisp.\r
+Commands:\r
+Delete converts tabs to spaces as it moves back.\r
+Blank lines separate paragraphs. Semicolons start comments.\r
+\\{lisp-mode-map}\r
+Note that `run-lisp' may be used either to start an inferior Lisp job\r
+or to switch back to an existing one.\r
+\r
+Entry to this mode calls the value of `lisp-mode-hook'\r
+if that value is non-nil."\r
+ (interactive)\r
+ (kill-all-local-variables)\r
+ (use-local-map lisp-mode-map)\r
+ (setq major-mode 'lisp-mode)\r
+ (setq mode-name "Lisp")\r
+ (lisp-mode-variables)\r
+ (make-local-variable 'comment-start-skip)\r
+ (setq comment-start-skip\r
+ "\\(\\(^\\|[^\\\\\n]\\)\\(\\\\\\\\\\)*\\)\\(;+\\|#|\\) *")\r
+ (make-local-variable 'font-lock-keywords-case-fold-search)\r
+ (setq font-lock-keywords-case-fold-search t)\r
+ (setq imenu-case-fold-search t)\r
+ (set-syntax-table lisp-mode-syntax-table)\r
+ (run-mode-hooks 'lisp-mode-hook))\r
+(put 'lisp-mode 'find-tag-default-function 'lisp-find-tag-default)\r
+\r
+(defun lisp-find-tag-default ()\r
+ (let ((default (find-tag-default)))\r
+ (when (stringp default)\r
+ (if (string-match ":+" default)\r
+ (substring default (match-end 0))\r
+ default))))\r
+\r
+;; Used in old LispM code.\r
+(defalias 'common-lisp-mode 'lisp-mode)\r
+\r
+;; This will do unless inf-lisp.el is loaded.\r
+(defun lisp-eval-defun (&optional and-go)\r
+ "Send the current defun to the Lisp process made by \\[run-lisp]."\r
+ (interactive)\r
+ (error "Process lisp does not exist"))\r
+\r
+(defvar lisp-interaction-mode-map\r
+ (let ((map (make-sparse-keymap))\r
+ (menu-map (make-sparse-keymap "Lisp-Interaction")))\r
+ (set-keymap-parent map lisp-mode-shared-map)\r
+ (define-key map "\e\C-x" 'eval-defun)\r
+ (define-key map "\e\C-q" 'indent-pp-sexp)\r
+ (define-key map "\e\t" 'lisp-complete-symbol)\r
+ (define-key map "\n" 'eval-print-last-sexp)\r
+ (define-key map [menu-bar lisp-interaction] (cons "Lisp-Interaction" menu-map))\r
+ (define-key menu-map [eval-defun]\r
+ '(menu-item "Evaluate Defun" eval-defun\r
+ :help "Evaluate the top-level form containing point, or after point"))\r
+ (define-key menu-map [eval-print-last-sexp]\r
+ '(menu-item "Evaluate and print" eval-print-last-sexp\r
+ :help "Evaluate sexp before point; print value into current buffer"))\r
+ (define-key menu-map [edebug-defun-lisp-interaction]\r
+ '(menu-item "Instrument Function for Debugging" edebug-defun\r
+ :help "Evaluate the top level form point is in, stepping through with Edebug"\r
+ :keys "C-u C-M-x"))\r
+ (define-key menu-map [indent-pp-sexp]\r
+ '(menu-item "Indent or Pretty-Print" indent-pp-sexp\r
+ :help "Indent each line of the list starting just after point, or prettyprint it"))\r
+ (define-key menu-map [lisp-complete-symbol]\r
+ '(menu-item "Complete Lisp Symbol" lisp-complete-symbol\r
+ :help "Perform completion on Lisp symbol preceding point"))\r
+ map)\r
+ "Keymap for Lisp Interaction mode.\r
+All commands in `lisp-mode-shared-map' are inherited by this map.")\r
+\r
+(defvar lisp-interaction-mode-abbrev-table lisp-mode-abbrev-table)\r
+(define-derived-mode lisp-interaction-mode emacs-lisp-mode "Lisp Interaction"\r
+ "Major mode for typing and evaluating Lisp forms.\r
+Like Lisp mode except that \\[eval-print-last-sexp] evals the Lisp expression\r
+before point, and prints its value into the buffer, advancing point.\r
+Note that printing is controlled by `eval-expression-print-length'\r
+and `eval-expression-print-level'.\r
+\r
+Commands:\r
+Delete converts tabs to spaces as it moves back.\r
+Paragraphs are separated only by blank lines.\r
+Semicolons start comments.\r
+\\{lisp-interaction-mode-map}\r
+Entry to this mode calls the value of `lisp-interaction-mode-hook'\r
+if that value is non-nil.")\r
+\r
+(defun eval-print-last-sexp ()\r
+ "Evaluate sexp before point; print value into current buffer.\r
+\r
+If `eval-expression-debug-on-error' is non-nil, which is the default,\r
+this command arranges for all errors to enter the debugger.\r
+\r
+Note that printing the result is controlled by the variables\r
+`eval-expression-print-length' and `eval-expression-print-level',\r
+which see."\r
+ (interactive)\r
+ (let ((standard-output (current-buffer)))\r
+ (terpri)\r
+ (eval-last-sexp t)\r
+ (terpri)))\r
+\r
+\r
+(defun last-sexp-setup-props (beg end value alt1 alt2)\r
+ "Set up text properties for the output of `eval-last-sexp-1'.\r
+BEG and END are the start and end of the output in current-buffer.\r
+VALUE is the Lisp value printed, ALT1 and ALT2 are strings for the\r
+alternative printed representations that can be displayed."\r
+ (let ((map (make-sparse-keymap)))\r
+ (define-key map "\C-m" 'last-sexp-toggle-display)\r
+ (define-key map [down-mouse-2] 'mouse-set-point)\r
+ (define-key map [mouse-2] 'last-sexp-toggle-display)\r
+ (add-text-properties\r
+ beg end\r
+ `(printed-value (,value ,alt1 ,alt2)\r
+ mouse-face highlight\r
+ keymap ,map\r
+ help-echo "RET, mouse-2: toggle abbreviated display"\r
+ rear-nonsticky (mouse-face keymap help-echo\r
+ printed-value)))))\r
+\r
+\r
+(defun last-sexp-toggle-display (&optional arg)\r
+ "Toggle between abbreviated and unabbreviated printed representations."\r
+ (interactive "P")\r
+ (save-restriction\r
+ (widen)\r
+ (let ((value (get-text-property (point) 'printed-value)))\r
+ (when value\r
+ (let ((beg (or (previous-single-property-change (min (point-max) (1+ (point)))\r
+ 'printed-value)\r
+ (point)))\r
+ (end (or (next-single-char-property-change (point) 'printed-value) (point)))\r
+ (standard-output (current-buffer))\r
+ (point (point)))\r
+ (delete-region beg end)\r
+ (insert (nth 1 value))\r
+ (or (= beg point)\r
+ (setq point (1- (point))))\r
+ (last-sexp-setup-props beg (point)\r
+ (nth 0 value)\r
+ (nth 2 value)\r
+ (nth 1 value))\r
+ (goto-char (min (point-max) point)))))))\r
+\r
+(defun prin1-char (char)\r
+ "Return a string representing CHAR as a character rather than as an integer.\r
+If CHAR is not a character, return nil."\r
+ (and (integerp char)\r
+ (eventp char)\r
+ (let ((c (event-basic-type char))\r
+ (mods (event-modifiers char))\r
+ string)\r
+ ;; Prevent ?A from turning into ?\S-a.\r
+ (if (and (memq 'shift mods)\r
+ (zerop (logand char ?\S-\^@))\r
+ (not (let ((case-fold-search nil))\r
+ (char-equal c (upcase c)))))\r
+ (setq c (upcase c) mods nil))\r
+ ;; What string are we considering using?\r
+ (condition-case nil\r
+ (setq string\r
+ (concat\r
+ "?"\r
+ (mapconcat\r
+ (lambda (modif)\r
+ (cond ((eq modif 'super) "\\s-")\r
+ (t (string ?\\ (upcase (aref (symbol-name modif) 0)) ?-))))\r
+ mods "")\r
+ (cond\r
+ ((memq c '(?\; ?\( ?\) ?\{ ?\} ?\[ ?\] ?\" ?\' ?\\)) (string ?\\ c))\r
+ ((eq c 127) "\\C-?")\r
+ (t\r
+ (string c)))))\r
+ (error nil))\r
+ ;; Verify the string reads a CHAR, not to some other character.\r
+ ;; If it doesn't, return nil instead.\r
+ (and string\r
+ (= (car (read-from-string string)) char)\r
+ string))))\r
+\r
+\r
+(defun preceding-sexp ()\r
+ "Return sexp before the point."\r
+ (let ((opoint (point))\r
+ ignore-quotes\r
+ expr)\r
+ (save-excursion\r
+ (with-syntax-table emacs-lisp-mode-syntax-table\r
+ ;; If this sexp appears to be enclosed in `...'\r
+ ;; then ignore the surrounding quotes.\r
+ (setq ignore-quotes\r
+ (or (eq (following-char) ?\')\r
+ (eq (preceding-char) ?\')))\r
+ (forward-sexp -1)\r
+ ;; If we were after `?\e' (or similar case),\r
+ ;; use the whole thing, not just the `e'.\r
+ (when (eq (preceding-char) ?\\)\r
+ (forward-char -1)\r
+ (when (eq (preceding-char) ??)\r
+ (forward-char -1)))\r
+\r
+ ;; Skip over `#N='s.\r
+ (when (eq (preceding-char) ?=)\r
+ (let (labeled-p)\r
+ (save-excursion\r
+ (skip-chars-backward "0-9#=")\r
+ (setq labeled-p (looking-at "\\(#[0-9]+=\\)+")))\r
+ (when labeled-p\r
+ (forward-sexp -1))))\r
+\r
+ (save-restriction\r
+ ;; vladimir@cs.ualberta.ca 30-Jul-1997: skip ` in\r
+ ;; `variable' so that the value is returned, not the\r
+ ;; name\r
+ (if (and ignore-quotes\r
+ (eq (following-char) ?`))\r
+ (forward-char))\r
+ (narrow-to-region (point-min) opoint)\r
+ (setq expr (read (current-buffer)))\r
+ ;; If it's an (interactive ...) form, it's more\r
+ ;; useful to show how an interactive call would\r
+ ;; use it.\r
+ (and (consp expr)\r
+ (eq (car expr) 'interactive)\r
+ (setq expr\r
+ (list 'call-interactively\r
+ (list 'quote\r
+ (list 'lambda\r
+ '(&rest args)\r
+ expr\r
+ 'args)))))\r
+ expr)))))\r
+\r
+\r
+(defun eval-last-sexp-1 (eval-last-sexp-arg-internal)\r
+ "Evaluate sexp before point; print value in minibuffer.\r
+With argument, print output into current buffer."\r
+ (let ((standard-output (if eval-last-sexp-arg-internal (current-buffer) t)))\r
+ (eval-last-sexp-print-value (eval (preceding-sexp)))))\r
+\r
+\r
+(defun eval-last-sexp-print-value (value)\r
+ (let ((unabbreviated (let ((print-length nil) (print-level nil))\r
+ (prin1-to-string value)))\r
+ (print-length eval-expression-print-length)\r
+ (print-level eval-expression-print-level)\r
+ (beg (point))\r
+ end)\r
+ (prog1\r
+ (prin1 value)\r
+ (let ((str (eval-expression-print-format value)))\r
+ (if str (princ str)))\r
+ (setq end (point))\r
+ (when (and (bufferp standard-output)\r
+ (or (not (null print-length))\r
+ (not (null print-level)))\r
+ (not (string= unabbreviated\r
+ (buffer-substring-no-properties beg end))))\r
+ (last-sexp-setup-props beg end value\r
+ unabbreviated\r
+ (buffer-substring-no-properties beg end))\r
+ ))))\r
+\r
+\r
+(defvar eval-last-sexp-fake-value (make-symbol "t"))\r
+\r
+(defun eval-last-sexp (eval-last-sexp-arg-internal)\r
+ "Evaluate sexp before point; print value in minibuffer.\r
+Interactively, with prefix argument, print output into current buffer.\r
+\r
+If `eval-expression-debug-on-error' is non-nil, which is the default,\r
+this command arranges for all errors to enter the debugger."\r
+ (interactive "P")\r
+ (if (null eval-expression-debug-on-error)\r
+ (eval-last-sexp-1 eval-last-sexp-arg-internal)\r
+ (let ((value\r
+ (let ((debug-on-error eval-last-sexp-fake-value))\r
+ (cons (eval-last-sexp-1 eval-last-sexp-arg-internal)\r
+ debug-on-error))))\r
+ (unless (eq (cdr value) eval-last-sexp-fake-value)\r
+ (setq debug-on-error (cdr value)))\r
+ (car value))))\r
+\r
+(defun eval-defun-1 (form)\r
+ "Treat some expressions specially.\r
+Reset the `defvar' and `defcustom' variables to the initial value.\r
+Reinitialize the face according to the `defface' specification."\r
+ ;; The code in edebug-defun should be consistent with this, but not\r
+ ;; the same, since this gets a macroexpended form.\r
+ (cond ((not (listp form))\r
+ form)\r
+ ((and (eq (car form) 'defvar)\r
+ (cdr-safe (cdr-safe form))\r
+ (boundp (cadr form)))\r
+ ;; Force variable to be re-set.\r
+ `(progn (defvar ,(nth 1 form) nil ,@(nthcdr 3 form))\r
+ (setq-default ,(nth 1 form) ,(nth 2 form))))\r
+ ;; `defcustom' is now macroexpanded to\r
+ ;; `custom-declare-variable' with a quoted value arg.\r
+ ((and (eq (car form) 'custom-declare-variable)\r
+ (default-boundp (eval (nth 1 form))))\r
+ ;; Force variable to be bound.\r
+ (set-default (eval (nth 1 form)) (eval (nth 1 (nth 2 form))))\r
+ form)\r
+ ;; `defface' is macroexpanded to `custom-declare-face'.\r
+ ((eq (car form) 'custom-declare-face)\r
+ ;; Reset the face.\r
+ (setq face-new-frame-defaults\r
+ (assq-delete-all (eval (nth 1 form)) face-new-frame-defaults))\r
+ (put (eval (nth 1 form)) 'face-defface-spec nil)\r
+ ;; Setting `customized-face' to the new spec after calling\r
+ ;; the form, but preserving the old saved spec in `saved-face',\r
+ ;; imitates the situation when the new face spec is set\r
+ ;; temporarily for the current session in the customize\r
+ ;; buffer, thus allowing `face-user-default-spec' to use the\r
+ ;; new customized spec instead of the saved spec.\r
+ ;; Resetting `saved-face' temporarily to nil is needed to let\r
+ ;; `defface' change the spec, regardless of a saved spec.\r
+ (prog1 `(prog1 ,form\r
+ (put ,(nth 1 form) 'saved-face\r
+ ',(get (eval (nth 1 form)) 'saved-face))\r
+ (put ,(nth 1 form) 'customized-face\r
+ ,(nth 2 form)))\r
+ (put (eval (nth 1 form)) 'saved-face nil)))\r
+ ((eq (car form) 'progn)\r
+ (cons 'progn (mapcar 'eval-defun-1 (cdr form))))\r
+ (t form)))\r
+\r
+(defun eval-defun-2 ()\r
+ "Evaluate defun that point is in or before.\r
+The value is displayed in the minibuffer.\r
+If the current defun is actually a call to `defvar',\r
+then reset the variable using the initial value expression\r
+even if the variable already has some other value.\r
+\(Normally `defvar' does not change the variable's value\r
+if it already has a value.\)\r
+\r
+With argument, insert value in current buffer after the defun.\r
+Return the result of evaluation."\r
+ (interactive "P")\r
+ ;; FIXME: the print-length/level bindings should only be applied while\r
+ ;; printing, not while evaluating.\r
+ (let ((debug-on-error eval-expression-debug-on-error)\r
+ (print-length eval-expression-print-length)\r
+ (print-level eval-expression-print-level))\r
+ (save-excursion\r
+ ;; Arrange for eval-region to "read" the (possibly) altered form.\r
+ ;; eval-region handles recording which file defines a function or\r
+ ;; variable. Re-written using `apply' to avoid capturing\r
+ ;; variables like `end'.\r
+ (apply\r
+ #'eval-region\r
+ (let ((standard-output t)\r
+ beg end form)\r
+ ;; Read the form from the buffer, and record where it ends.\r
+ (save-excursion\r
+ (end-of-defun)\r
+ (beginning-of-defun)\r
+ (setq beg (point))\r
+ (setq form (read (current-buffer)))\r
+ (setq end (point)))\r
+ ;; Alter the form if necessary.\r
+ (setq form (eval-defun-1 (macroexpand form)))\r
+ (list beg end standard-output\r
+ `(lambda (ignore)\r
+ ;; Skipping to the end of the specified region\r
+ ;; will make eval-region return.\r
+ (goto-char ,end)\r
+ ',form))))))\r
+ ;; The result of evaluation has been put onto VALUES. So return it.\r
+ (car values))\r
+\r
+(defun eval-defun (edebug-it)\r
+ "Evaluate the top-level form containing point, or after point.\r
+\r
+If the current defun is actually a call to `defvar' or `defcustom',\r
+evaluating it this way resets the variable using its initial value\r
+expression even if the variable already has some other value.\r
+\(Normally `defvar' and `defcustom' do not alter the value if there\r
+already is one.) In an analogous way, evaluating a `defface'\r
+overrides any customizations of the face, so that it becomes\r
+defined exactly as the `defface' expression says.\r
+\r
+If `eval-expression-debug-on-error' is non-nil, which is the default,\r
+this command arranges for all errors to enter the debugger.\r
+\r
+With a prefix argument, instrument the code for Edebug.\r
+\r
+If acting on a `defun' for FUNCTION, and the function was\r
+instrumented, `Edebug: FUNCTION' is printed in the minibuffer. If not\r
+instrumented, just FUNCTION is printed.\r
+\r
+If not acting on a `defun', the result of evaluation is displayed in\r
+the minibuffer. This display is controlled by the variables\r
+`eval-expression-print-length' and `eval-expression-print-level',\r
+which see."\r
+ (interactive "P")\r
+ (cond (edebug-it\r
+ (require 'edebug)\r
+ (eval-defun (not edebug-all-defs)))\r
+ (t\r
+ (if (null eval-expression-debug-on-error)\r
+ (eval-defun-2)\r
+ (let ((old-value (make-symbol "t")) new-value value)\r
+ (let ((debug-on-error old-value))\r
+ (setq value (eval-defun-2))\r
+ (setq new-value debug-on-error))\r
+ (unless (eq old-value new-value)\r
+ (setq debug-on-error new-value))\r
+ value)))))\r
+\r
+;; May still be used by some external Lisp-mode variant.\r
+(define-obsolete-function-alias 'lisp-comment-indent\r
+ 'comment-indent-default "22.1")\r
+(define-obsolete-function-alias 'lisp-mode-auto-fill 'do-auto-fill "23.1")\r
+\r
+(defcustom lisp-indent-offset nil\r
+ "If non-nil, indent second line of expressions that many more columns."\r
+ :group 'lisp\r
+ :type '(choice (const nil) integer))\r
+(put 'lisp-body-indent 'safe-local-variable\r
+ (lambda (x) (or (null x) (integerp x))))\r
+\r
+(defvar lisp-indent-function 'lisp-indent-function)\r
+\r
+(defun lisp-indent-line (&optional whole-exp)\r
+ "Indent current line as Lisp code.\r
+With argument, indent any additional lines of the same expression\r
+rigidly along with this one."\r
+ (interactive "P")\r
+ (let ((indent (calculate-lisp-indent)) shift-amt end\r
+ (pos (- (point-max) (point)))\r
+ (beg (progn (beginning-of-line) (point))))\r
+ (skip-chars-forward " \t")\r
+ (if (or (null indent) (looking-at "\\s<\\s<\\s<"))\r
+ ;; Don't alter indentation of a ;;; comment line\r
+ ;; or a line that starts in a string.\r
+ (goto-char (- (point-max) pos))\r
+ (if (and (looking-at "\\s<") (not (looking-at "\\s<\\s<")))\r
+ ;; Single-semicolon comment lines should be indented\r
+ ;; as comment lines, not as code.\r
+ (progn (indent-for-comment) (forward-char -1))\r
+ (if (listp indent) (setq indent (car indent)))\r
+ (setq shift-amt (- indent (current-column)))\r
+ (if (zerop shift-amt)\r
+ nil\r
+ (delete-region beg (point))\r
+ (indent-to indent)))\r
+ ;; If initial point was within line's indentation,\r
+ ;; position after the indentation. Else stay at same point in text.\r
+ (if (> (- (point-max) pos) (point))\r
+ (goto-char (- (point-max) pos)))\r
+ ;; If desired, shift remaining lines of expression the same amount.\r
+ (and whole-exp (not (zerop shift-amt))\r
+ (save-excursion\r
+ (goto-char beg)\r
+ (forward-sexp 1)\r
+ (setq end (point))\r
+ (goto-char beg)\r
+ (forward-line 1)\r
+ (setq beg (point))\r
+ (> end beg))\r
+ (indent-code-rigidly beg end shift-amt)))))\r
+\r
+(defvar calculate-lisp-indent-last-sexp)\r
+\r
+(defun calculate-lisp-indent (&optional parse-start)\r
+ "Return appropriate indentation for current line as Lisp code.\r
+In usual case returns an integer: the column to indent to.\r
+If the value is nil, that means don't change the indentation\r
+because the line starts inside a string.\r
+\r
+The value can also be a list of the form (COLUMN CONTAINING-SEXP-START).\r
+This means that following lines at the same level of indentation\r
+should not necessarily be indented the same as this line.\r
+Then COLUMN is the column to indent to, and CONTAINING-SEXP-START\r
+is the buffer position of the start of the containing expression."\r
+ (save-excursion\r
+ (beginning-of-line)\r
+ (let ((indent-point (point))\r
+ state paren-depth\r
+ ;; setting this to a number inhibits calling hook\r
+ (desired-indent nil)\r
+ (retry t)\r
+ calculate-lisp-indent-last-sexp containing-sexp)\r
+ (if parse-start\r
+ (goto-char parse-start)\r
+ (beginning-of-defun))\r
+ ;; Find outermost containing sexp\r
+ (while (< (point) indent-point)\r
+ (setq state (parse-partial-sexp (point) indent-point 0)))\r
+ ;; Find innermost containing sexp\r
+ (while (and retry\r
+ state\r
+ (> (setq paren-depth (elt state 0)) 0))\r
+ (setq retry nil)\r
+ (setq calculate-lisp-indent-last-sexp (elt state 2))\r
+ (setq containing-sexp (elt state 1))\r
+ ;; Position following last unclosed open.\r
+ (goto-char (1+ containing-sexp))\r
+ ;; Is there a complete sexp since then?\r
+ (if (and calculate-lisp-indent-last-sexp\r
+ (> calculate-lisp-indent-last-sexp (point)))\r
+ ;; Yes, but is there a containing sexp after that?\r
+ (let ((peek (parse-partial-sexp calculate-lisp-indent-last-sexp\r
+ indent-point 0)))\r
+ (if (setq retry (car (cdr peek))) (setq state peek)))))\r
+ (if retry\r
+ nil\r
+ ;; Innermost containing sexp found\r
+ (goto-char (1+ containing-sexp))\r
+ (if (not calculate-lisp-indent-last-sexp)\r
+ ;; indent-point immediately follows open paren.\r
+ ;; Don't call hook.\r
+ (setq desired-indent (current-column))\r
+ ;; Find the start of first element of containing sexp.\r
+ (parse-partial-sexp (point) calculate-lisp-indent-last-sexp 0 t)\r
+ (cond ((looking-at "\\s(")\r
+ ;; First element of containing sexp is a list.\r
+ ;; Indent under that list.\r
+ )\r
+ ((> (save-excursion (forward-line 1) (point))\r
+ calculate-lisp-indent-last-sexp)\r
+ ;; This is the first line to start within the containing sexp.\r
+ ;; It's almost certainly a function call.\r
+ (if (= (point) calculate-lisp-indent-last-sexp)\r
+ ;; Containing sexp has nothing before this line\r
+ ;; except the first element. Indent under that element.\r
+ nil\r
+ ;; Skip the first element, find start of second (the first\r
+ ;; argument of the function call) and indent under.\r
+ (progn (forward-sexp 1)\r
+ (parse-partial-sexp (point)\r
+ calculate-lisp-indent-last-sexp\r
+ 0 t)))\r
+ (backward-prefix-chars))\r
+ (t\r
+ ;; Indent beneath first sexp on same line as\r
+ ;; `calculate-lisp-indent-last-sexp'. Again, it's\r
+ ;; almost certainly a function call.\r
+ (goto-char calculate-lisp-indent-last-sexp)\r
+ (beginning-of-line)\r
+ (parse-partial-sexp (point) calculate-lisp-indent-last-sexp\r
+ 0 t)\r
+ (backward-prefix-chars)))))\r
+ ;; Point is at the point to indent under unless we are inside a string.\r
+ ;; Call indentation hook except when overridden by lisp-indent-offset\r
+ ;; or if the desired indentation has already been computed.\r
+ (let ((normal-indent (current-column)))\r
+ (cond ((elt state 3)\r
+ ;; Inside a string, don't change indentation.\r
+ nil)\r
+ ((and (integerp lisp-indent-offset) containing-sexp)\r
+ ;; Indent by constant offset\r
+ (goto-char containing-sexp)\r
+ (+ (current-column) lisp-indent-offset))\r
+ ;; in this case calculate-lisp-indent-last-sexp is not nil\r
+ (calculate-lisp-indent-last-sexp\r
+ (or\r
+ ;; try to align the parameters of a known function\r
+ (and lisp-indent-function\r
+ (not retry)\r
+ (funcall lisp-indent-function indent-point state))\r
+ ;; If the function has no special alignment\r
+ ;; or it does not apply to this argument,\r
+ ;; try to align a constant-symbol under the last\r
+ ;; preceding constant symbol, if there is such one of\r
+ ;; the last 2 preceding symbols, in the previous\r
+ ;; uncommented line.\r
+ (and (save-excursion\r
+ (goto-char indent-point)\r
+ (skip-chars-forward " \t")\r
+ (looking-at ":"))\r
+ ;; The last sexp may not be at the indentation\r
+ ;; where it begins, so find that one, instead.\r
+ (save-excursion\r
+ (goto-char calculate-lisp-indent-last-sexp)\r
+ ;; Handle prefix characters and whitespace\r
+ ;; following an open paren. (Bug#1012)\r
+ (backward-prefix-chars)\r
+ (while (and (not (looking-back "^[ \t]*\\|([ \t]+"))\r
+ (or (not containing-sexp)\r
+ (< (1+ containing-sexp) (point))))\r
+ (forward-sexp -1)\r
+ (backward-prefix-chars))\r
+ (setq calculate-lisp-indent-last-sexp (point)))\r
+ (> calculate-lisp-indent-last-sexp\r
+ (save-excursion\r
+ (goto-char (1+ containing-sexp))\r
+ (parse-partial-sexp (point) calculate-lisp-indent-last-sexp 0 t)\r
+ (point)))\r
+ (let ((parse-sexp-ignore-comments t)\r
+ indent)\r
+ (goto-char calculate-lisp-indent-last-sexp)\r
+ (or (and (looking-at ":")\r
+ (setq indent (current-column)))\r
+ (and (< (save-excursion (beginning-of-line) (point))\r
+ (prog2 (backward-sexp) (point)))\r
+ (looking-at ":")\r
+ (setq indent (current-column))))\r
+ indent))\r
+ ;; another symbols or constants not preceded by a constant\r
+ ;; as defined above.\r
+ normal-indent))\r
+ ;; in this case calculate-lisp-indent-last-sexp is nil\r
+ (desired-indent)\r
+ (t\r
+ normal-indent))))))\r
+\r
+(defun lisp-indent-function (indent-point state)\r
+ "This function is the normal value of the variable `lisp-indent-function'.\r
+It is used when indenting a line within a function call, to see if the\r
+called function says anything special about how to indent the line.\r
+\r
+INDENT-POINT is the position where the user typed TAB, or equivalent.\r
+Point is located at the point to indent under (for default indentation);\r
+STATE is the `parse-partial-sexp' state for that position.\r
+\r
+If the current line is in a call to a Lisp function\r
+which has a non-nil property `lisp-indent-function',\r
+that specifies how to do the indentation. The property value can be\r
+* `defun', meaning indent `defun'-style;\r
+* an integer N, meaning indent the first N arguments specially\r
+ like ordinary function arguments and then indent any further\r
+ arguments like a body;\r
+* a function to call just as this function was called.\r
+ If that function returns nil, that means it doesn't specify\r
+ the indentation.\r
+\r
+This function also returns nil meaning don't specify the indentation."\r
+ (let ((normal-indent (current-column)))\r
+ (goto-char (1+ (elt state 1)))\r
+ (parse-partial-sexp (point) calculate-lisp-indent-last-sexp 0 t)\r
+ (if (and (elt state 2)\r
+ (not (looking-at "\\sw\\|\\s_")))\r
+ ;; car of form doesn't seem to be a symbol\r
+ (progn\r
+ (if (not (> (save-excursion (forward-line 1) (point))\r
+ calculate-lisp-indent-last-sexp))\r
+ (progn (goto-char calculate-lisp-indent-last-sexp)\r
+ (beginning-of-line)\r
+ (parse-partial-sexp (point)\r
+ calculate-lisp-indent-last-sexp 0 t)))\r
+ ;; Indent under the list or under the first sexp on the same\r
+ ;; line as calculate-lisp-indent-last-sexp. Note that first\r
+ ;; thing on that line has to be complete sexp since we are\r
+ ;; inside the innermost containing sexp.\r
+ (backward-prefix-chars)\r
+ (current-column))\r
+ (let ((function (buffer-substring (point)\r
+ (progn (forward-sexp 1) (point))))\r
+ method)\r
+ (setq method (or (get (intern-soft function) 'lisp-indent-function)\r
+ (get (intern-soft function) 'lisp-indent-hook)))\r
+ (cond ((or (eq method 'defun)\r
+ (and (null method)\r
+ (> (length function) 3)\r
+ (string-match "\\`def" function)))\r
+ (lisp-indent-defform state indent-point))\r
+ ((integerp method)\r
+ (lisp-indent-specform method state\r
+ indent-point normal-indent))\r
+ (method\r
+ (funcall method indent-point state)))))))\r
+\r
+(defcustom lisp-body-indent 2\r
+ "Number of columns to indent the second line of a `(def...)' form."\r
+ :group 'lisp\r
+ :type 'integer)\r
+(put 'lisp-body-indent 'safe-local-variable 'integerp)\r
+\r
+(defun lisp-indent-specform (count state indent-point normal-indent)\r
+ (let ((containing-form-start (elt state 1))\r
+ (i count)\r
+ body-indent containing-form-column)\r
+ ;; Move to the start of containing form, calculate indentation\r
+ ;; to use for non-distinguished forms (> count), and move past the\r
+ ;; function symbol. lisp-indent-function guarantees that there is at\r
+ ;; least one word or symbol character following open paren of containing\r
+ ;; form.\r
+ (goto-char containing-form-start)\r
+ (setq containing-form-column (current-column))\r
+ (setq body-indent (+ lisp-body-indent containing-form-column))\r
+ (forward-char 1)\r
+ (forward-sexp 1)\r
+ ;; Now find the start of the last form.\r
+ (parse-partial-sexp (point) indent-point 1 t)\r
+ (while (and (< (point) indent-point)\r
+ (condition-case ()\r
+ (progn\r
+ (setq count (1- count))\r
+ (forward-sexp 1)\r
+ (parse-partial-sexp (point) indent-point 1 t))\r
+ (error nil))))\r
+ ;; Point is sitting on first character of last (or count) sexp.\r
+ (if (> count 0)\r
+ ;; A distinguished form. If it is the first or second form use double\r
+ ;; lisp-body-indent, else normal indent. With lisp-body-indent bound\r
+ ;; to 2 (the default), this just happens to work the same with if as\r
+ ;; the older code, but it makes unwind-protect, condition-case,\r
+ ;; with-output-to-temp-buffer, et. al. much more tasteful. The older,\r
+ ;; less hacked, behavior can be obtained by replacing below with\r
+ ;; (list normal-indent containing-form-start).\r
+ (if (<= (- i count) 1)\r
+ (list (+ containing-form-column (* 2 lisp-body-indent))\r
+ containing-form-start)\r
+ (list normal-indent containing-form-start))\r
+ ;; A non-distinguished form. Use body-indent if there are no\r
+ ;; distinguished forms and this is the first undistinguished form,\r
+ ;; or if this is the first undistinguished form and the preceding\r
+ ;; distinguished form has indentation at least as great as body-indent.\r
+ (if (or (and (= i 0) (= count 0))\r
+ (and (= count 0) (<= body-indent normal-indent)))\r
+ body-indent\r
+ normal-indent))))\r
+\r
+(defun lisp-indent-defform (state indent-point)\r
+ (goto-char (car (cdr state)))\r
+ (forward-line 1)\r
+ (if (> (point) (car (cdr (cdr state))))\r
+ (progn\r
+ (goto-char (car (cdr state)))\r
+ (+ lisp-body-indent (current-column)))))\r
+\r
+\r
+;; (put 'progn 'lisp-indent-function 0), say, causes progn to be indented\r
+;; like defun if the first form is placed on the next line, otherwise\r
+;; it is indented like any other form (i.e. forms line up under first).\r
+\r
+(put 'lambda 'lisp-indent-function 'defun)\r
+(put 'autoload 'lisp-indent-function 'defun)\r
+(put 'progn 'lisp-indent-function 0)\r
+(put 'prog1 'lisp-indent-function 1)\r
+(put 'prog2 'lisp-indent-function 2)\r
+(put 'save-excursion 'lisp-indent-function 0)\r
+(put 'save-window-excursion 'lisp-indent-function 0)\r
+(put 'save-selected-window 'lisp-indent-function 0)\r
+(put 'save-restriction 'lisp-indent-function 0)\r
+(put 'save-match-data 'lisp-indent-function 0)\r
+(put 'save-current-buffer 'lisp-indent-function 0)\r
+(put 'with-current-buffer 'lisp-indent-function 1)\r
+(put 'combine-after-change-calls 'lisp-indent-function 0)\r
+(put 'with-output-to-string 'lisp-indent-function 0)\r
+(put 'with-temp-file 'lisp-indent-function 1)\r
+(put 'with-temp-buffer 'lisp-indent-function 0)\r
+(put 'with-temp-message 'lisp-indent-function 1)\r
+(put 'with-syntax-table 'lisp-indent-function 1)\r
+(put 'let 'lisp-indent-function 1)\r
+(put 'let* 'lisp-indent-function 1)\r
+(put 'while 'lisp-indent-function 1)\r
+(put 'if 'lisp-indent-function 2)\r
+(put 'read-if 'lisp-indent-function 2)\r
+(put 'catch 'lisp-indent-function 1)\r
+(put 'condition-case 'lisp-indent-function 2)\r
+(put 'unwind-protect 'lisp-indent-function 1)\r
+(put 'with-output-to-temp-buffer 'lisp-indent-function 1)\r
+(put 'eval-after-load 'lisp-indent-function 1)\r
+(put 'dolist 'lisp-indent-function 1)\r
+(put 'dotimes 'lisp-indent-function 1)\r
+(put 'when 'lisp-indent-function 1)\r
+(put 'unless 'lisp-indent-function 1)\r
+\r
+(defun indent-sexp (&optional endpos)\r
+ "Indent each line of the list starting just after point.\r
+If optional arg ENDPOS is given, indent each line, stopping when\r
+ENDPOS is encountered."\r
+ (interactive)\r
+ (let ((indent-stack (list nil))\r
+ (next-depth 0)\r
+ ;; If ENDPOS is non-nil, use nil as STARTING-POINT\r
+ ;; so that calculate-lisp-indent will find the beginning of\r
+ ;; the defun we are in.\r
+ ;; If ENDPOS is nil, it is safe not to scan before point\r
+ ;; since every line we indent is more deeply nested than point is.\r
+ (starting-point (if endpos nil (point)))\r
+ (last-point (point))\r
+ last-depth bol outer-loop-done inner-loop-done state this-indent)\r
+ (or endpos\r
+ ;; Get error now if we don't have a complete sexp after point.\r
+ (save-excursion (forward-sexp 1)))\r
+ (save-excursion\r
+ (setq outer-loop-done nil)\r
+ (while (if endpos (< (point) endpos)\r
+ (not outer-loop-done))\r
+ (setq last-depth next-depth\r
+ inner-loop-done nil)\r
+ ;; Parse this line so we can learn the state\r
+ ;; to indent the next line.\r
+ ;; This inner loop goes through only once\r
+ ;; unless a line ends inside a string.\r
+ (while (and (not inner-loop-done)\r
+ (not (setq outer-loop-done (eobp))))\r
+ (setq state (parse-partial-sexp (point) (progn (end-of-line) (point))\r
+ nil nil state))\r
+ (setq next-depth (car state))\r
+ ;; If the line contains a comment other than the sort\r
+ ;; that is indented like code,\r
+ ;; indent it now with indent-for-comment.\r
+ ;; Comments indented like code are right already.\r
+ ;; In any case clear the in-comment flag in the state\r
+ ;; because parse-partial-sexp never sees the newlines.\r
+ (if (car (nthcdr 4 state))\r
+ (progn (indent-for-comment)\r
+ (end-of-line)\r
+ (setcar (nthcdr 4 state) nil)))\r
+ ;; If this line ends inside a string,\r
+ ;; go straight to next line, remaining within the inner loop,\r
+ ;; and turn off the \-flag.\r
+ (if (car (nthcdr 3 state))\r
+ (progn\r
+ (forward-line 1)\r
+ (setcar (nthcdr 5 state) nil))\r
+ (setq inner-loop-done t)))\r
+ (and endpos\r
+ (<= next-depth 0)\r
+ (progn\r
+ (setq indent-stack (nconc indent-stack\r
+ (make-list (- next-depth) nil))\r
+ last-depth (- last-depth next-depth)\r
+ next-depth 0)))\r
+ (forward-line 1)\r
+ ;; Decide whether to exit.\r
+ (if endpos\r
+ ;; If we have already reached the specified end,\r
+ ;; give up and do not reindent this line.\r
+ (if (<= endpos (point))\r
+ (setq outer-loop-done t))\r
+ ;; If no specified end, we are done if we have finished one sexp.\r
+ (if (<= next-depth 0)\r
+ (setq outer-loop-done t)))\r
+ (unless outer-loop-done\r
+ (while (> last-depth next-depth)\r
+ (setq indent-stack (cdr indent-stack)\r
+ last-depth (1- last-depth)))\r
+ (while (< last-depth next-depth)\r
+ (setq indent-stack (cons nil indent-stack)\r
+ last-depth (1+ last-depth)))\r
+ ;; Now indent the next line according\r
+ ;; to what we learned from parsing the previous one.\r
+ (setq bol (point))\r
+ (skip-chars-forward " \t")\r
+ ;; But not if the line is blank, or just a comment\r
+ ;; (except for double-semi comments; indent them as usual).\r
+ (if (or (eobp) (looking-at "\\s<\\|\n"))\r
+ nil\r
+ (if (and (car indent-stack)\r
+ (>= (car indent-stack) 0))\r
+ (setq this-indent (car indent-stack))\r
+ (let ((val (calculate-lisp-indent\r
+ (if (car indent-stack) (- (car indent-stack))\r
+ starting-point))))\r
+ (if (null val)\r
+ (setq this-indent val)\r
+ (if (integerp val)\r
+ (setcar indent-stack\r
+ (setq this-indent val))\r
+ (setcar indent-stack (- (car (cdr val))))\r
+ (setq this-indent (car val))))))\r
+ (if (and this-indent (/= (current-column) this-indent))\r
+ (progn (delete-region bol (point))\r
+ (indent-to this-indent)))))\r
+ (or outer-loop-done\r
+ (setq outer-loop-done (= (point) last-point))\r
+ (setq last-point (point)))))))\r
+\r
+(defun lisp-indent-region (start end)\r
+ "Indent every line whose first char is between START and END inclusive."\r
+ (save-excursion\r
+ (let ((endmark (copy-marker end)))\r
+ (goto-char start)\r
+ (and (bolp) (not (eolp))\r
+ (lisp-indent-line))\r
+ (indent-sexp endmark)\r
+ (set-marker endmark nil))))\r
+\r
+(defun indent-pp-sexp (&optional arg)\r
+ "Indent each line of the list starting just after point, or prettyprint it.\r
+A prefix argument specifies pretty-printing."\r
+ (interactive "P")\r
+ (if arg\r
+ (save-excursion\r
+ (save-restriction\r
+ (narrow-to-region (point) (progn (forward-sexp 1) (point)))\r
+ (pp-buffer)\r
+ (goto-char (point-max))\r
+ (if (eq (char-before) ?\n)\r
+ (delete-char -1)))))\r
+ (indent-sexp))\r
+\r
+;;;; Lisp paragraph filling commands.\r
+\r
+(defcustom emacs-lisp-docstring-fill-column 65\r
+ "Value of `fill-column' to use when filling a docstring.\r
+Any non-integer value means do not use a different value of\r
+`fill-column' when filling docstrings."\r
+ :type '(choice (integer)\r
+ (const :tag "Use the current `fill-column'" t))\r
+ :group 'lisp)\r
+\r
+(defun lisp-fill-paragraph (&optional justify)\r
+ "Like \\[fill-paragraph], but handle Emacs Lisp comments and docstrings.\r
+If any of the current line is a comment, fill the comment or the\r
+paragraph of it that point is in, preserving the comment's indentation\r
+and initial semicolons."\r
+ (interactive "P")\r
+ (or (fill-comment-paragraph justify)\r
+ ;; Since fill-comment-paragraph returned nil, that means we're not in\r
+ ;; a comment: Point is on a program line; we are interested\r
+ ;; particularly in docstring lines.\r
+ ;;\r
+ ;; We bind `paragraph-start' and `paragraph-separate' temporarily. They\r
+ ;; are buffer-local, but we avoid changing them so that they can be set\r
+ ;; to make `forward-paragraph' and friends do something the user wants.\r
+ ;;\r
+ ;; `paragraph-start': The `(' in the character alternative and the\r
+ ;; left-singlequote plus `(' sequence after the \\| alternative prevent\r
+ ;; sexps and backquoted sexps that follow a docstring from being filled\r
+ ;; with the docstring. This setting has the consequence of inhibiting\r
+ ;; filling many program lines that are not docstrings, which is sensible,\r
+ ;; because the user probably asked to fill program lines by accident, or\r
+ ;; expecting indentation (perhaps we should try to do indenting in that\r
+ ;; case). The `;' and `:' stop the paragraph being filled at following\r
+ ;; comment lines and at keywords (e.g., in `defcustom'). Left parens are\r
+ ;; escaped to keep font-locking, filling, & paren matching in the source\r
+ ;; file happy.\r
+ ;;\r
+ ;; `paragraph-separate': A clever regexp distinguishes the first line of\r
+ ;; a docstring and identifies it as a paragraph separator, so that it\r
+ ;; won't be filled. (Since the first line of documentation stands alone\r
+ ;; in some contexts, filling should not alter the contents the author has\r
+ ;; chosen.) Only the first line of a docstring begins with whitespace\r
+ ;; and a quotation mark and ends with a period or (rarely) a comma.\r
+ ;;\r
+ ;; The `fill-column' is temporarily bound to\r
+ ;; `emacs-lisp-docstring-fill-column' if that value is an integer.\r
+ (let ((paragraph-start (concat paragraph-start\r
+ "\\|\\s-*\\([(;:\"]\\|`(\\|#'(\\)"))\r
+ (paragraph-separate\r
+ (concat paragraph-separate "\\|\\s-*\".*[,\\.]$"))\r
+ (fill-column (if (and (integerp emacs-lisp-docstring-fill-column)\r
+ (derived-mode-p 'emacs-lisp-mode))\r
+ emacs-lisp-docstring-fill-column\r
+ fill-column)))\r
+ (fill-paragraph justify))\r
+ ;; Never return nil.\r
+ t))\r
+\r
+(defun indent-code-rigidly (start end arg &optional nochange-regexp)\r
+ "Indent all lines of code, starting in the region, sideways by ARG columns.\r
+Does not affect lines starting inside comments or strings, assuming that\r
+the start of the region is not inside them.\r
+\r
+Called from a program, takes args START, END, COLUMNS and NOCHANGE-REGEXP.\r
+The last is a regexp which, if matched at the beginning of a line,\r
+means don't indent that line."\r
+ (interactive "r\np")\r
+ (let (state)\r
+ (save-excursion\r
+ (goto-char end)\r
+ (setq end (point-marker))\r
+ (goto-char start)\r
+ (or (bolp)\r
+ (setq state (parse-partial-sexp (point)\r
+ (progn\r
+ (forward-line 1) (point))\r
+ nil nil state)))\r
+ (while (< (point) end)\r
+ (or (car (nthcdr 3 state))\r
+ (and nochange-regexp\r
+ (looking-at nochange-regexp))\r
+ ;; If line does not start in string, indent it\r
+ (let ((indent (current-indentation)))\r
+ (delete-region (point) (progn (skip-chars-forward " \t") (point)))\r
+ (or (eolp)\r
+ (indent-to (max 0 (+ indent arg)) 0))))\r
+ (setq state (parse-partial-sexp (point)\r
+ (progn\r
+ (forward-line 1) (point))\r
+ nil nil state))))))\r
+\r
+(provide 'lisp-mode)\r
+\r
+;; arch-tag: 414c7f93-c245-4b77-8ed5-ed05ef7ff1bf\r
+;;; lisp-mode.el ends here\r
projects / emacs.git / commitdiff