X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/d7d20e6afc535b61e21657ed04666727c796e61a..d9df5bffac090389cdd163ba04feeb11f0e2d8b8:/lisp/hippie-exp.el diff --git a/lisp/hippie-exp.el b/lisp/hippie-exp.el index df2d88f597..1210166305 100644 --- a/lisp/hippie-exp.el +++ b/lisp/hippie-exp.el @@ -1,6 +1,6 @@ -;;; hippie-exp.el --- expand text trying various ways to find its expansion. +;;; hippie-exp.el --- expand text trying various ways to find its expansion -;; Copyright (C) 1992 Free Software Foundation, Inc. +;; Copyright (C) 1992, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. ;; Author: Anders Holst ;; Last change: 3 March 1998 @@ -21,14 +21,14 @@ ;; You should have received a copy of the GNU General Public License ;; along with GNU Emacs; see the file COPYING. If not, write to the -;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. +;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. ;;; Commentary: ;; `hippie-expand' is a single function for a lot of different kinds ;; of completions and expansions. Called repeatedly it tries all -;; possible completions in succession. +;; possible completions in succession. ;; Which kinds of completions to try, and in which order, is ;; determined by the contents of `hippie-expand-try-functions-list'. ;; Much customization of `hippie-expand' can be made by changing the @@ -61,7 +61,7 @@ ;; characters of syntax '_' is considered part of the words to expand ;; dynamically. ;; See also the macro `make-hippie-expand-function' below. -;; +;; ;; A short description of the current try-functions in this file: ;; `try-complete-file-name' : very convenient to have in any buffer, ;; and not just in the minibuffer or (some) shell-mode. It goes @@ -72,9 +72,9 @@ ;; a file name completed only as many characters as is unique. ;; `try-expand-all-abbrevs' : can be removed if you don't use abbrevs. ;; Otherwise it looks through all abbrev-tables, starting with -;; the local followed by the global. -;; `try-expand-line' : Searches the buffer for an entire line that -;; begins exactly as the current line. Convenient sometimes, for +;; the local followed by the global. +;; `try-expand-line' : Searches the buffer for an entire line that +;; begins exactly as the current line. Convenient sometimes, for ;; example as a substitute for (or complement to) the history ;; list in shell-like buffers. At other times, only confusing. ;; `try-expand-line-all-buffers' : Like `try-expand-line' but searches @@ -83,14 +83,14 @@ ;; `try-expand-list' : Tries to expand the text back to the nearest ;; open delimiter, to a whole list from the buffer. Convenient for ;; example when writing lisp or TeX. -;; `try-expand-list-all-buffers' : Like `try-expand-list' but searches -;; in all buffers (except the current). +;; `try-expand-list-all-buffers' : Like `try-expand-list' but searches +;; in all buffers (except the current). ;; `try-expand-dabbrev' : works exactly as dabbrev-expand (but of ;; course in a way compatible with the other try-functions). ;; `try-expand-dabbrev-all-buffers' : perhaps the most useful of them, ;; like `dabbrev-expand' but searches all Emacs buffers (except the ;; current) for matching words. (No, I don't find this one -;; particularly slow.) +;; particularly slow.) ;; `try-expand-dabbrev-visible': Searches the currently visible parts of ;; all windows. Can be put before `try-expand-dabbrev-all-buffers' to ;; first try the expansions you can see. @@ -108,7 +108,7 @@ ;; already has a key of its own, you might want to remove this. ;; `try-complete-lisp-symbol-partially' : To insert in the list just ;; before `try-complete-lisp-symbol' for those who first want to get -;; completion of what is unique in the name. +;; completion of what is unique in the name. ;; ;; Not all of the above functions are by default in ;; `hippie-expand-try-functions-list'. This variable is better set @@ -143,14 +143,14 @@ ;; `he-reset-string' : Resets the initialized region to its original ;; contents. ;; There is also a variable: `he-tried-table' which is meant to contain -;; all tried expansions so far. The try-function can check this +;; all tried expansions so far. The try-function can check this ;; variable to see whether an expansion has already been tried ;; (hint: `he-string-member'). ;; ;; Known bugs ;; ;; It may happen that some completion suggestion occurs twice, in -;; spite of the use of `he-tried-table' to prevent that. This is +;; spite of the use of `he-tried-table' to prevent that. This is ;; because different try-functions may try to complete different ;; lengths of text, and thus put different amounts of the ;; text in `he-tried-table'. Anyway this seems to occur seldom enough @@ -168,8 +168,12 @@ ;;; Code: +(eval-when-compile (require 'comint)) + (defgroup hippie-expand nil "Expand text trying various ways to find its expansion." + :link '(custom-manual "(autotype)Hippie Expand") + :link '(emacs-commentary-link "hippie-exp") :group 'abbrev :group 'convenience) @@ -198,19 +202,22 @@ (defvar he-search-window ()) ;;;###autoload -(defvar hippie-expand-try-functions-list '(try-complete-file-name-partially - try-complete-file-name - try-expand-all-abbrevs - try-expand-list - try-expand-line - try-expand-dabbrev - try-expand-dabbrev-all-buffers - try-expand-dabbrev-from-kill - try-complete-lisp-symbol-partially - try-complete-lisp-symbol) +(defcustom hippie-expand-try-functions-list + '(try-complete-file-name-partially + try-complete-file-name + try-expand-all-abbrevs + try-expand-list + try-expand-line + try-expand-dabbrev + try-expand-dabbrev-all-buffers + try-expand-dabbrev-from-kill + try-complete-lisp-symbol-partially + try-complete-lisp-symbol) "The list of expansion functions tried in order by `hippie-expand'. To change the behavior of `hippie-expand', remove, change the order of, -or insert functions in this list.") +or insert functions in this list." + :type '(repeat function) + :group 'hippie-expand) ;;;###autoload (defcustom hippie-expand-verbose t @@ -256,7 +263,7 @@ Can contain both regexps matching buffer names (as strings) and major modes (defcustom hippie-expand-only-buffers () "*A list specifying the only buffers to search (in addition to current). Can contain both regexps matching buffer names (as strings) and major modes -\(as atoms). If non-NIL, this variable overrides the variable +\(as atoms). If non-nil, this variable overrides the variable `hippie-expand-ignore-buffers'." :type '(repeat (choice regexp (symbol :tag "Major Mode"))) :group 'hippie-expand) @@ -267,12 +274,12 @@ Can contain both regexps matching buffer names (as strings) and major modes The expansion functions in `hippie-expand-try-functions-list' are tried in order, until a possible expansion is found. Repeated application of `hippie-expand' inserts successively possible -expansions. +expansions. With a positive numeric argument, jumps directly to the ARG next -function in this list. With a negative argument or just \\[universal-argument], -undoes the expansion." +function in this list. With a negative argument or just \\[universal-argument], +undoes the expansion." (interactive "P") - (if (or (not arg) + (if (or (not arg) (and (integerp arg) (> arg 0))) (let ((first (or (= he-num -1) (not (equal this-command last-command))))) @@ -285,7 +292,7 @@ undoes the expansion." (setq arg 0)) (let ((i (max (+ he-num arg) 0))) (while (not (or (>= i (length hippie-expand-try-functions-list)) - (apply (nth i hippie-expand-try-functions-list) + (apply (nth i hippie-expand-try-functions-list) (list (= he-num i))))) (setq i (1+ i))) (setq he-num i)) @@ -324,7 +331,7 @@ undoes the expansion." (goto-char newpos))) ;; Substitutes an expansion STR into the correct region (the region -;; initialized with `he-init-string'). +;; initialized with `he-init-string'). ;; An optional argument TRANS-CASE means that it is ok to transfer case ;; from the abbreviation to the expansion if that is possible, and is ;; enabled in the buffer. @@ -375,7 +382,7 @@ undoes the expansion." ;; Check if STR is a member of LST. -;; Transform to the final case if optional TRANS-CASE is non-NIL. +;; Transform to the final case if optional TRANS-CASE is non-nil. (defun he-string-member (str lst &optional trans-case) (if str (member (if (and trans-case @@ -406,14 +413,14 @@ undoes the expansion." ;; (fset 'my-complete-line (make-hippie-expand-function ;; '(try-expand-line ;; try-expand-line-all-buffers))) -;; +;; ;;;###autoload (defmacro make-hippie-expand-function (try-list &optional verbose) "Construct a function similar to `hippie-expand'. Make it use the expansion functions in TRY-LIST. An optional second argument VERBOSE non-nil makes the function verbose." `(function (lambda (arg) - ,(concat + ,(concat "Try to expand text before point, using the following functions: \n" (mapconcat 'prin1-to-string (eval try-list) ", ")) (interactive "P") @@ -431,7 +438,7 @@ The argument OLD has to be nil the first call of this function, and t for subsequent calls (for further possible completions of the same string). It returns t if a new completion is found, nil otherwise." (if (not old) - (progn + (progn (he-init-string (he-file-name-beg) (point)) (let ((name-part (he-file-name-nondirectory he-search-string)) (dir-part (expand-file-name (or (he-file-name-directory @@ -440,7 +447,7 @@ string). It returns t if a new completion is found, nil otherwise." (setq he-tried-table (cons name-part he-tried-table))) (if (and (not (equal he-search-string "")) (he-file-directory-p dir-part)) - (setq he-expand-list (sort (file-name-all-completions + (setq he-expand-list (sort (file-name-all-completions name-part dir-part) 'string-lessp)) @@ -464,11 +471,11 @@ string). It returns t if a new completion is found, nil otherwise." (defun try-complete-file-name-partially (old) "Try to complete text as a file name, as many characters as unique. The argument OLD has to be nil the first call of this function. It -returns t if a unique, possibly partial, completion is found, nil +returns t if a unique, possibly partial, completion is found, nil otherwise." (let ((expansion ())) (if (not old) - (progn + (progn (he-init-string (he-file-name-beg) (point)) (let ((name-part (he-file-name-nondirectory he-search-string)) (dir-part (expand-file-name (or (he-file-name-directory @@ -496,7 +503,7 @@ otherwise." (defvar he-file-name-chars (cond ((memq system-type '(vax-vms axp-vms)) "-a-zA-Z0-9_/.,~^#$+=:\\[\\]") - ((memq system-type '(ms-dos windows-nt)) + ((memq system-type '(ms-dos windows-nt cygwin)) "-a-zA-Z0-9_/.,~^#$+=:\\\\") (t ;; More strange file formats ? "-a-zA-Z0-9_/.,~^#$+=")) @@ -511,7 +518,7 @@ otherwise." (point))))) ;; Thanks go to Richard Levitte who helped to make these -;; work under VMS, and to David Hughes who +;; work under VMS, and to David Hughes who ;; helped to make it work on PC. (defun he-file-name-nondirectory (file) "Fix to make `file-name-nondirectory' work for hippie-expand under VMS." @@ -538,7 +545,7 @@ otherwise." (or (file-directory-p file) (file-directory-p (concat file "[000000]"))) (file-directory-p file))) - + (defun he-concat-directory-file-name (dir-part name-part) "Try to slam together two parts of a file specification, system dependently." (cond ((null dir-part) name-part) @@ -553,20 +560,20 @@ otherwise." (= (aref name-part (1- (length name-part))) ?/)) (aset name-part (1- (length name-part)) ?\\)) (concat dir-part name-part)) - (t + (t (concat dir-part name-part)))) - + (defun try-complete-lisp-symbol (old) "Try to complete word as an Emacs Lisp symbol. The argument OLD has to be nil the first call of this function, and t for subsequent calls (for further possible completions of the same string). It returns t if a new completion is found, nil otherwise." (if (not old) - (progn + (progn (he-init-string (he-lisp-symbol-beg) (point)) (if (not (he-string-member he-search-string he-tried-table)) (setq he-tried-table (cons he-search-string he-tried-table))) - (setq he-expand-list + (setq he-expand-list (and (not (equal he-search-string "")) (sort (all-completions he-search-string obarray (function (lambda (sym) @@ -589,14 +596,14 @@ string). It returns t if a new completion is found, nil otherwise." (defun try-complete-lisp-symbol-partially (old) "Try to complete as an Emacs Lisp symbol, as many characters as unique. The argument OLD has to be nil the first call of this function. It -returns t if a unique, possibly partial, completion is found, nil +returns t if a unique, possibly partial, completion is found, nil otherwise." (let ((expansion ())) (if (not old) - (progn + (progn (he-init-string (he-lisp-symbol-beg) (point)) (if (not (string= he-search-string "")) - (setq expansion + (setq expansion (try-completion he-search-string obarray (function (lambda (sym) (or (boundp sym) @@ -627,6 +634,7 @@ for subsequent calls (for further possible completions of the same string). It returns t if a new completion is found, nil otherwise." (let ((expansion ()) (strip-prompt (and (get-buffer-process (current-buffer)) + comint-use-prompt-regexp comint-prompt-regexp))) (if (not old) (progn @@ -641,7 +649,7 @@ string). It returns t if a new completion is found, nil otherwise." (widen)) ;; Try looking backward unless inhibited. (if he-search-bw - (progn + (progn (goto-char he-search-loc) (setq expansion (he-line-search he-search-string strip-prompt t)) @@ -652,9 +660,9 @@ string). It returns t if a new completion is found, nil otherwise." (setq he-search-bw ()))))) (if (not expansion) ; Then look forward. - (progn + (progn (goto-char he-search-loc) - (setq expansion (he-line-search he-search-string + (setq expansion (he-line-search he-search-string strip-prompt nil)) (set-marker he-search-loc (point))))))) @@ -673,6 +681,7 @@ for subsequent calls (for further possible completions of the same string). It returns t if a new completion is found, nil otherwise." (let ((expansion ()) (strip-prompt (and (get-buffer-process (current-buffer)) + comint-use-prompt-regexp comint-prompt-regexp)) (buf (current-buffer)) (orig-case-fold-search case-fold-search)) @@ -684,7 +693,7 @@ string). It returns t if a new completion is found, nil otherwise." (set-marker he-search-loc 1 (car he-search-bufs)))) (if (not (equal he-search-string "")) - (while (and he-search-bufs + (while (and he-search-bufs (not expansion) (or (not hippie-expand-max-buffers) (< he-searched-n-bufs hippie-expand-max-buffers))) @@ -699,8 +708,9 @@ string). It returns t if a new completion is found, nil otherwise." (widen)) (goto-char he-search-loc) (setq strip-prompt (and (get-buffer-process (current-buffer)) + comint-use-prompt-regexp comint-prompt-regexp)) - (setq expansion + (setq expansion (let ((case-fold-search orig-case-fold-search)) (he-line-search he-search-string strip-prompt nil))) @@ -722,11 +732,11 @@ string). It returns t if a new completion is found, nil otherwise." (he-substitute-string expansion t) t)))) -(defun he-line-search (str strip-prompt reverse) +(defun he-line-search (str strip-prompt reverse) (let ((result ())) (while (and (not result) (if reverse - (re-search-backward + (re-search-backward (he-line-search-regexp str strip-prompt) nil t) (re-search-forward @@ -740,7 +750,7 @@ string). It returns t if a new completion is found, nil otherwise." (defun he-line-beg (strip-prompt) (save-excursion - (if (re-search-backward (he-line-search-regexp "" strip-prompt) + (if (re-search-backward (he-line-search-regexp "" strip-prompt) (save-excursion (beginning-of-line) (point)) t) (match-beginning 2) @@ -751,7 +761,7 @@ string). It returns t if a new completion is found, nil otherwise." (concat "\\(" comint-prompt-regexp "\\|^\\s-*\\)\\(" (regexp-quote pat) "[^\n]*[^ \t\n]\\)") - (concat "^\\(\\s-*\\)\\(" + (concat "^\\(\\s-*\\)\\(" (regexp-quote pat) "[^\n]*[^ \t\n]\\)"))) @@ -774,7 +784,7 @@ string). It returns t if a new completion is found, nil otherwise." (widen)) ;; Try looking backward unless inhibited. (if he-search-bw - (progn + (progn (goto-char he-search-loc) (setq expansion (he-list-search he-search-string t)) (set-marker he-search-loc (point)) @@ -784,7 +794,7 @@ string). It returns t if a new completion is found, nil otherwise." (setq he-search-bw ()))))) (if (not expansion) ; Then look forward. - (progn + (progn (goto-char he-search-loc) (setq expansion (he-list-search he-search-string nil)) (set-marker he-search-loc (point))))))) @@ -813,7 +823,7 @@ string). It returns t if a new completion is found, nil otherwise." (set-marker he-search-loc 1 (car he-search-bufs)))) (if (not (equal he-search-string "")) - (while (and he-search-bufs + (while (and he-search-bufs (not expansion) (or (not hippie-expand-max-buffers) (< he-searched-n-bufs hippie-expand-max-buffers))) @@ -827,7 +837,7 @@ string). It returns t if a new completion is found, nil otherwise." (if hippie-expand-no-restriction (widen)) (goto-char he-search-loc) - (setq expansion + (setq expansion (let ((case-fold-search orig-case-fold-search)) (he-list-search he-search-string nil))) (set-marker he-search-loc (point)) @@ -848,7 +858,7 @@ string). It returns t if a new completion is found, nil otherwise." (he-substitute-string expansion t) t)))) -(defun he-list-search (str reverse) +(defun he-list-search (str reverse) (let ((result ()) beg pos err) (while (and (not result) @@ -862,7 +872,7 @@ string). It returns t if a new completion is found, nil otherwise." (condition-case () (forward-list 1) (error (setq err t))) - (if (and reverse + (if (and reverse (> (point) he-string-beg)) (setq err t)) (if (not err) @@ -888,13 +898,13 @@ string). It returns t if a new expansion is found, nil otherwise." (if (not old) (progn (he-init-string (he-dabbrev-beg) (point)) - (setq he-expand-list + (setq he-expand-list (and (not (equal he-search-string "")) (mapcar (function (lambda (sym) (if (and (boundp sym) (vectorp (eval sym))) (abbrev-expansion (downcase he-search-string) (eval sym))))) - (append '(local-abbrev-table + (append '(local-abbrev-table global-abbrev-table) abbrev-table-name-list)))))) (while (and he-expand-list @@ -929,7 +939,7 @@ string). It returns t if a new expansion is found, nil otherwise." (widen)) ;; Try looking backward unless inhibited. (if he-search-bw - (progn + (progn (goto-char he-search-loc) (setq expansion (he-dabbrev-search he-search-string t)) (set-marker he-search-loc (point)) @@ -939,11 +949,11 @@ string). It returns t if a new expansion is found, nil otherwise." (setq he-search-bw ()))))) (if (not expansion) ; Then look forward. - (progn + (progn (goto-char he-search-loc) (setq expansion (he-dabbrev-search he-search-string nil)) (set-marker he-search-loc (point))))))) - + (if (not expansion) (progn (if old (he-reset-string)) @@ -968,7 +978,7 @@ string). It returns t if a new expansion is found, nil otherwise." (set-marker he-search-loc 1 (car he-search-bufs)))) (if (not (equal he-search-string "")) - (while (and he-search-bufs + (while (and he-search-bufs (not expansion) (or (not hippie-expand-max-buffers) (< he-searched-n-bufs hippie-expand-max-buffers))) @@ -1037,13 +1047,13 @@ string). It returns t if a new expansion is found, nil otherwise." (window-end he-search-window)))) (set-marker he-search-loc (point) (current-buffer))) (if (not expansion) - (progn + (progn (setq he-search-window (next-window he-search-window nil flag)) (if (eq he-search-window (selected-window)) (set-marker he-search-loc nil) (set-marker he-search-loc (window-start he-search-window) (window-buffer he-search-window)))))) - + (set-buffer buf) (if (not expansion) (progn @@ -1062,7 +1072,7 @@ string). It returns t if a new expansion is found, nil otherwise." (t (concat "\\<" (regexp-quote pattern) "\\(\\sw\\|\\s_\\)+"))))) - (while (and (not result) + (while (and (not result) (if reverse (re-search-backward regpat limit t) (re-search-forward regpat limit t))) @@ -1094,7 +1104,7 @@ for subsequent calls (for further possible completions of the same string). It returns t if a new completion is found, nil otherwise." (let ((expansion ())) (if (not old) - (progn + (progn (he-init-string (he-dabbrev-beg) (point)) (setq he-expand-list (if (not (equal he-search-string "")) @@ -1120,7 +1130,7 @@ string). It returns t if a new completion is found, nil otherwise." (concat "\\<" (regexp-quote pattern) "\\(\\sw\\|\\s_\\)+")))) (killstr (car he-expand-list))) - (while (and (not result) + (while (and (not result) he-expand-list) (while (and (not result) (string-match regpat killstr he-search-loc2)) @@ -1133,10 +1143,10 @@ string). It returns t if a new completion is found, nil otherwise." '(?_ ?w))) (he-string-member result he-tried-table t)) (setq result nil))) ; ignore if bad prefix or already in table - (if (and (not result) + (if (and (not result) he-expand-list) (progn - (setq he-expand-list (cdr he-expand-list)) + (setq he-expand-list (cdr he-expand-list)) (setq killstr (car he-expand-list)) (setq he-search-loc2 0)))) result)) @@ -1148,11 +1158,11 @@ for subsequent calls (for further possible completions of the same string). It returns t if a new completion is found, nil otherwise." (let ((expansion ())) (if (not old) - (progn + (progn (he-init-string (he-kill-beg) (point)) (if (not (he-string-member he-search-string he-tried-table)) (setq he-tried-table (cons he-search-string he-tried-table))) - (setq he-expand-list + (setq he-expand-list (if (not (equal he-search-string "")) kill-ring)) (setq he-search-loc2 ()))) @@ -1196,7 +1206,7 @@ string). It returns t if a new completion is found, nil otherwise." (if (and (not result) he-expand-list) (progn - (setq he-expand-list (cdr he-expand-list)) + (setq he-expand-list (cdr he-expand-list)) (setq killstr (car he-expand-list)) (setq pos -1)))) result)) @@ -1212,4 +1222,5 @@ string). It returns t if a new completion is found, nil otherwise." (provide 'hippie-exp) +;;; arch-tag: 5e6e00bf-b061-4a7a-9b46-de0ae105ab99 ;;; hippie-exp.el ends here