Add 2011 to FSF/AIST copyright years.
[bpt/emacs.git] / lisp / progmodes / gud.el
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1;;; gud.el --- Grand Unified Debugger mode for running GDB and other debuggers
2
e6ce8c42 3;; Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001, 2002, 2003,
5df4f04c 4;; 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
e6ce8c42 5
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6;; Author: Eric S. Raymond <esr@snark.thyrsus.com>
7;; Maintainer: FSF
8;; Keywords: unix, tools
9
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10;; This file is part of GNU Emacs.
11
b1fc2b50 12;; GNU Emacs is free software: you can redistribute it and/or modify
0f9c2d46 13;; it under the terms of the GNU General Public License as published by
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14;; the Free Software Foundation, either version 3 of the License, or
15;; (at your option) any later version.
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16
17;; GNU Emacs is distributed in the hope that it will be useful,
18;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20;; GNU General Public License for more details.
21
22;; You should have received a copy of the GNU General Public License
b1fc2b50 23;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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24
25;;; Commentary:
26
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27;; The ancestral gdb.el was by W. Schelter <wfs@rascal.ics.utexas.edu>.
28;; It was later rewritten by rms. Some ideas were due to Masanobu. Grand
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29;; Unification (sdb/dbx support) by Eric S. Raymond <esr@thyrsus.com> Barry
30;; Warsaw <bwarsaw@cen.com> hacked the mode to use comint.el. Shane Hartman
31;; <shane@spr.com> added support for xdb (HPUX debugger). Rick Sladkey
32;; <jrs@world.std.com> wrote the GDB command completion code. Dave Love
33;; <d.love@dl.ac.uk> added the IRIX kluge, re-implemented the Mips-ish variant
34;; and added a menu. Brian D. Carlstrom <bdc@ai.mit.edu> combined the IRIX
35;; kluge with the gud-xdb-directories hack producing gud-dbx-directories.
36;; Derek L. Davies <ddavies@world.std.com> added support for jdb (Java
37;; debugger.)
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38
39;;; Code:
40
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41(eval-when-compile (require 'cl)) ; for case macro
42
0f9c2d46 43(require 'comint)
0f9c2d46 44
691ccfad 45(defvar gdb-active-process)
49f073bd 46(defvar gdb-recording)
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47(defvar gdb-define-alist)
48(defvar gdb-macro-info)
49f073bd 49(defvar gdb-server-prefix)
691ccfad 50(defvar gdb-show-changed-values)
700fb4ba 51(defvar gdb-source-window)
691ccfad 52(defvar gdb-var-list)
1e906233 53(defvar gdb-speedbar-auto-raise)
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54(defvar gud-tooltip-mode)
55(defvar hl-line-mode)
56(defvar hl-line-sticky-flag)
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57(defvar tool-bar-map)
58
700fb4ba 59
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60;; ======================================================================
61;; GUD commands must be visible in C buffers visited by GUD
62
63(defgroup gud nil
64 "Grand Unified Debugger mode for gdb and other debuggers under Emacs.
517045bc 65Supported debuggers include gdb, sdb, dbx, xdb, perldb, pdb (Python) and jdb."
39a8a2a7 66 :group 'processes
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67 :group 'tools)
68
69
70(defcustom gud-key-prefix "\C-x\C-a"
71 "Prefix of all GUD commands valid in C buffers."
72 :type 'string
73 :group 'gud)
74
75(global-set-key (concat gud-key-prefix "\C-l") 'gud-refresh)
76(define-key ctl-x-map " " 'gud-break) ;; backward compatibility hack
77
78(defvar gud-marker-filter nil)
79(put 'gud-marker-filter 'permanent-local t)
80(defvar gud-find-file nil)
81(put 'gud-find-file 'permanent-local t)
82
83(defun gud-marker-filter (&rest args)
84 (apply gud-marker-filter args))
85
86(defvar gud-minor-mode nil)
87(put 'gud-minor-mode 'permanent-local t)
88
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89(defvar gud-comint-buffer nil)
90
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91(defvar gud-keep-buffer nil)
92
93(defun gud-symbol (sym &optional soft minor-mode)
94 "Return the symbol used for SYM in MINOR-MODE.
bb02b5ec 95MINOR-MODE defaults to `gud-minor-mode'.
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96The symbol returned is `gud-<MINOR-MODE>-<SYM>'.
97If SOFT is non-nil, returns nil if the symbol doesn't already exist."
98 (unless (or minor-mode gud-minor-mode) (error "Gud internal error"))
99 (funcall (if soft 'intern-soft 'intern)
100 (format "gud-%s-%s" (or minor-mode gud-minor-mode) sym)))
101
102(defun gud-val (sym &optional minor-mode)
103 "Return the value of `gud-symbol' SYM. Default to nil."
104 (let ((sym (gud-symbol sym t minor-mode)))
105 (if (boundp sym) (symbol-value sym))))
106
107(defvar gud-running nil
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108 "Non-nil if debugged program is running.
109Used to grey out relevant toolbar icons.")
0f9c2d46 110
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111(defvar gud-target-name "--unknown--"
112 "The apparent name of the program being debugged in a gud buffer.")
113
f6579c71 114;; Use existing Info buffer, if possible.
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115(defun gud-goto-info ()
116 "Go to relevant Emacs info node."
117 (interactive)
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118 (let ((same-window-regexps same-window-regexps)
119 (display-buffer-reuse-frames t))
120 (catch 'info-found
121 (walk-windows
122 '(lambda (window)
123 (if (eq (window-buffer window) (get-buffer "*info*"))
124 (progn
125 (setq same-window-regexps nil)
126 (throw 'info-found nil))))
127 nil 0)
f6579c71 128 (select-frame (make-frame)))
49f073bd 129 (if (memq gud-minor-mode '(gdbmi gdba))
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130 (info "(emacs)GDB Graphical Interface")
131 (info "(emacs)Debuggers"))))
ed941a3c 132
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133(defun gud-tool-bar-item-visible-no-fringe ()
134 (not (or (eq (buffer-local-value 'major-mode (window-buffer)) 'speedbar-mode)
49f073bd 135 (and (memq gud-minor-mode '(gdbmi gdba))
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136 (> (car (window-fringes)) 0)))))
137
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138(defun gud-stop-subjob ()
139 (interactive)
12e7d587 140 (with-current-buffer gud-comint-buffer
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141 (if (string-equal gud-target-name "emacs")
142 (comint-stop-subjob)
143 (if (eq gud-minor-mode 'jdb)
144 (gud-call "suspend")
145 (comint-interrupt-subjob)))))
0b4b288e 146
0f9c2d46 147(easy-mmode-defmap gud-menu-map
3ee7281c 148 '(([help] "Info (debugger)" . gud-goto-info)
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149 ([rfinish] menu-item "Reverse Finish Function" gud-rfinish
150 :enable (not gud-running)
151 :visible (and gdb-recording
152 (eq gud-minor-mode 'gdba)))
153 ([rstepi] menu-item "Reverse Step Instruction" gud-rstepi
154 :enable (not gud-running)
155 :visible (and gdb-recording
156 (eq gud-minor-mode 'gdba)))
157 ([rnexti] menu-item "Reverse Next Instruction" gud-rnexti
158 :enable (not gud-running)
159 :visible (and gdb-recording
160 (eq gud-minor-mode 'gdba)))
161 ([rstep] menu-item "Reverse Step Line" gud-rstep
162 :enable (not gud-running)
163 :visible (and gdb-recording
164 (eq gud-minor-mode 'gdba)))
165 ([rnext] menu-item "Reverse Next Line" gud-rnext
166 :enable (not gud-running)
167 :visible (and gdb-recording
168 (eq gud-minor-mode 'gdba)))
169 ([rcont] menu-item "Reverse Continue" gud-rcont
170 :enable (not gud-running)
171 :visible (and gdb-recording
172 (eq gud-minor-mode 'gdba)))
173 ([recstart] menu-item "Start Recording" gdb-toggle-recording-1
174 :visible (and (not gdb-recording)
175 (eq gud-minor-mode 'gdba)))
176 ([recstop] menu-item "Stop Recording" gdb-toggle-recording
177 :visible (and gdb-recording
178 (eq gud-minor-mode 'gdba)))
fae60990 179 ([tooltips] menu-item "Show GUD tooltips" gud-tooltip-mode
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180 :enable (and (not emacs-basic-display)
181 (display-graphic-p)
182 (fboundp 'x-show-tip))
ff239a7e 183 :visible (memq gud-minor-mode
49f073bd 184 '(gdbmi gdba dbx sdb xdb pdb))
ce38ddb8 185 :button (:toggle . gud-tooltip-mode))
adbb5567 186 ([refresh] "Refresh" . gud-refresh)
0f9c2d46 187 ([run] menu-item "Run" gud-run
ff239a7e 188 :enable (not gud-running)
c635126a 189 :visible (memq gud-minor-mode '(gdbmi gdb dbx jdb)))
121586b1 190 ([go] menu-item (if gdb-active-process "Continue" "Run") gud-go
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191 :visible (and (not gud-running)
192 (eq gud-minor-mode 'gdba)))
0b4b288e 193 ([stop] menu-item "Stop" gud-stop-subjob
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194 :visible (or (not (memq gud-minor-mode '(gdba pdb)))
195 (and gud-running
196 (eq gud-minor-mode 'gdba))))
1dd52b82 197 ([until] menu-item "Continue to selection" gud-until
ff239a7e 198 :enable (not gud-running)
49f073bd 199 :visible (and (memq gud-minor-mode '(gdbmi gdba gdb perldb))
ff239a7e 200 (gud-tool-bar-item-visible-no-fringe)))
0f9c2d46 201 ([remove] menu-item "Remove Breakpoint" gud-remove
ccd91c09 202 :enable (not gud-running)
80147395 203 :visible (gud-tool-bar-item-visible-no-fringe))
0f9c2d46 204 ([tbreak] menu-item "Temporary Breakpoint" gud-tbreak
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205 :enable (not gud-running)
206 :visible (memq gud-minor-mode
49f073bd 207 '(gdbmi gdba gdb sdb xdb)))
0f9c2d46 208 ([break] menu-item "Set Breakpoint" gud-break
ccd91c09 209 :enable (not gud-running)
80147395 210 :visible (gud-tool-bar-item-visible-no-fringe))
0f9c2d46 211 ([up] menu-item "Up Stack" gud-up
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212 :enable (not gud-running)
213 :visible (memq gud-minor-mode
49f073bd 214 '(gdbmi gdba gdb dbx xdb jdb pdb)))
0f9c2d46 215 ([down] menu-item "Down Stack" gud-down
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216 :enable (not gud-running)
217 :visible (memq gud-minor-mode
49f073bd 218 '(gdbmi gdba gdb dbx xdb jdb pdb)))
4ea25232 219 ([pp] menu-item "Print S-expression" gud-pp
0b4b288e 220 :enable (and (not gud-running)
5ee47676 221 gdb-active-process)
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222 :visible (and (string-equal
223 (buffer-local-value
224 'gud-target-name gud-comint-buffer) "emacs")
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225 (eq gud-minor-mode 'gdba)))
226 ([print*] menu-item "Print Dereference" gud-pstar
ff239a7e 227 :enable (not gud-running)
49f073bd 228 :visible (memq gud-minor-mode '(gdbmi gdba gdb)))
0f9c2d46 229 ([print] menu-item "Print Expression" gud-print
0b4b288e 230 :enable (not gud-running))
187c0c40 231 ([watch] menu-item "Watch Expression" gud-watch
ff239a7e 232 :enable (not gud-running)
49f073bd 233 :visible (memq gud-minor-mode '(gdbmi gdba)))
d60d4cd6 234 ([finish] menu-item "Finish Function" gud-finish
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235 :enable (not gud-running)
236 :visible (memq gud-minor-mode
49f073bd 237 '(gdbmi gdba gdb xdb jdb pdb)))
0f9c2d46 238 ([stepi] menu-item "Step Instruction" gud-stepi
ff239a7e 239 :enable (not gud-running)
49f073bd 240 :visible (memq gud-minor-mode '(gdbmi gdba gdb dbx)))
0f9c2d46 241 ([nexti] menu-item "Next Instruction" gud-nexti
ff239a7e 242 :enable (not gud-running)
49f073bd 243 :visible (memq gud-minor-mode '(gdbmi gdba gdb dbx)))
0f9c2d46 244 ([step] menu-item "Step Line" gud-step
0b4b288e 245 :enable (not gud-running))
0f9c2d46 246 ([next] menu-item "Next Line" gud-next
0b4b288e 247 :enable (not gud-running))
0f9c2d46 248 ([cont] menu-item "Continue" gud-cont
0b4b288e 249 :enable (not gud-running)
49f073bd 250 :visible (not (eq gud-minor-mode 'gdba))))
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251 "Menu for `gud-mode'."
252 :name "Gud")
253
254(easy-mmode-defmap gud-minor-mode-map
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255 (append
256 `(([menu-bar debug] . ("Gud" . ,gud-menu-map)))
257 ;; Get tool bar like functionality from the menu bar on a text only
258 ;; terminal.
259 (unless window-system
260 `(([menu-bar down]
261 . (,(propertize "down" 'face 'font-lock-doc-face) . gud-down))
262 ([menu-bar up]
263 . (,(propertize "up" 'face 'font-lock-doc-face) . gud-up))
264 ([menu-bar finish]
265 . (,(propertize "finish" 'face 'font-lock-doc-face) . gud-finish))
266 ([menu-bar step]
267 . (,(propertize "step" 'face 'font-lock-doc-face) . gud-step))
268 ([menu-bar next]
269 . (,(propertize "next" 'face 'font-lock-doc-face) . gud-next))
270 ([menu-bar until] menu-item
271 ,(propertize "until" 'face 'font-lock-doc-face) gud-until
49f073bd 272 :visible (memq gud-minor-mode '(gdbmi gdba gdb perldb)))
d2b3c7db 273 ([menu-bar cont] menu-item
c635126a 274 ,(propertize "cont" 'face 'font-lock-doc-face) gud-cont
49f073bd 275 :visible (not (eq gud-minor-mode 'gdba)))
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276 ([menu-bar run] menu-item
277 ,(propertize "run" 'face 'font-lock-doc-face) gud-run
278 :visible (memq gud-minor-mode '(gdbmi gdb dbx jdb)))
db8af973 279 ([menu-bar go] menu-item
61e14679 280 ,(propertize " go " 'face 'font-lock-doc-face) gud-go
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281 :visible (and (not gud-running)
282 (eq gud-minor-mode 'gdba)))
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283 ([menu-bar stop] menu-item
284 ,(propertize "stop" 'face 'font-lock-doc-face) gud-stop-subjob
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285 :visible (and gud-running
286 (eq gud-minor-mode 'gdba)))
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287 ([menu-bar print]
288 . (,(propertize "print" 'face 'font-lock-doc-face) . gud-print))
289 ([menu-bar tools] . undefined)
290 ([menu-bar buffer] . undefined)
291 ([menu-bar options] . undefined)
292 ([menu-bar edit] . undefined)
293 ([menu-bar file] . undefined))))
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294 "Map used in visited files.")
295
296(let ((m (assq 'gud-minor-mode minor-mode-map-alist)))
297 (if m (setcdr m gud-minor-mode-map)
298 (push (cons 'gud-minor-mode gud-minor-mode-map) minor-mode-map-alist)))
299
300(defvar gud-mode-map
301 ;; Will inherit from comint-mode via define-derived-mode.
302 (make-sparse-keymap)
303 "`gud-mode' keymap.")
304
305(defvar gud-tool-bar-map
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306 (let ((map (make-sparse-keymap)))
307 (dolist (x '((gud-break . "gud/break")
308 (gud-remove . "gud/remove")
309 (gud-print . "gud/print")
310 (gud-pstar . "gud/pstar")
311 (gud-pp . "gud/pp")
312 (gud-watch . "gud/watch")
313 (gud-run . "gud/run")
314 (gud-go . "gud/go")
315 (gud-stop-subjob . "gud/stop")
316 (gud-cont . "gud/cont")
317 (gud-until . "gud/until")
318 (gud-next . "gud/next")
319 (gud-step . "gud/step")
320 (gud-finish . "gud/finish")
321 (gud-nexti . "gud/nexti")
322 (gud-stepi . "gud/stepi")
323 (gud-up . "gud/up")
324 (gud-down . "gud/down")
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325 (gdb-toggle-recording-1 . "gud/recstart")
326 (gdb-toggle-recording . "gud/recstop")
327 (gud-rcont . "gud/rcont")
328 (gud-rnext . "gud/rnext")
329 (gud-rstep . "gud/rstep")
330 (gud-rfinish . "gud/rfinish")
331 (gud-rnexti . "gud/rnexti")
332 (gud-rstepi . "gud/rstepi")
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333 (gud-goto-info . "info"))
334 map)
335 (tool-bar-local-item-from-menu
336 (car x) (cdr x) map gud-minor-mode-map))))
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337
338(defun gud-file-name (f)
339 "Transform a relative file name to an absolute file name.
340Uses `gud-<MINOR-MODE>-directories' to find the source files."
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341 ;; When `default-directory' is a remote file name, prepend its
342 ;; remote part to f, which is the local file name. Fortunately,
343 ;; `file-remote-p' returns exactly this remote file name part (or
344 ;; nil otherwise).
345 (setq f (concat (or (file-remote-p default-directory) "") f))
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346 (if (file-exists-p f) (expand-file-name f)
347 (let ((directories (gud-val 'directories))
348 (result nil))
349 (while directories
350 (let ((path (expand-file-name f (car directories))))
351 (if (file-exists-p path)
352 (setq result path
353 directories nil)))
354 (setq directories (cdr directories)))
355 result)))
356
49f073bd 357(declare-function gdb-create-define-alist "gdb-ui" ())
da567a4f 358
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359(defun gud-find-file (file)
360 ;; Don't get confused by double slashes in the name that comes from GDB.
361 (while (string-match "//+" file)
362 (setq file (replace-match "/" t t file)))
363 (let ((minor-mode gud-minor-mode)
364 (buf (funcall (or gud-find-file 'gud-file-name) file)))
365 (when (stringp buf)
366 (setq buf (and (file-readable-p buf) (find-file-noselect buf 'nowarn))))
367 (when buf
368 ;; Copy `gud-minor-mode' to the found buffer to turn on the menu.
369 (with-current-buffer buf
370 (set (make-local-variable 'gud-minor-mode) minor-mode)
371 (set (make-local-variable 'tool-bar-map) gud-tool-bar-map)
ce38ddb8 372 (when (and gud-tooltip-mode
49f073bd 373 (memq gud-minor-mode '(gdbmi gdba)))
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374 (make-local-variable 'gdb-define-alist)
375 (unless gdb-define-alist (gdb-create-define-alist))
376 (add-hook 'after-save-hook 'gdb-create-define-alist nil t))
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377 (make-local-variable 'gud-keep-buffer))
378 buf)))
379\f
380;; ======================================================================
381;; command definition
382
383;; This macro is used below to define some basic debugger interface commands.
384;; Of course you may use `gud-def' with any other debugger command, including
385;; user defined ones.
386
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387;; A macro call like (gud-def FUNC CMD KEY DOC) expands to a form
388;; which defines FUNC to send the command CMD to the debugger, gives
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389;; it the docstring DOC, and binds that function to KEY in the GUD
390;; major mode. The function is also bound in the global keymap with the
391;; GUD prefix.
392
393(defmacro gud-def (func cmd key &optional doc)
bb02b5ec 394 "Define FUNC to be a command sending CMD and bound to KEY, with
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395optional doc string DOC. Certain %-escapes in the string arguments
396are interpreted specially if present. These are:
397
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398 %f -- Name (without directory) of current source file.
399 %F -- Name (without directory or extension) of current source file.
400 %d -- Directory of current source file.
401 %l -- Number of current source line.
402 %e -- Text of the C lvalue or function-call expression surrounding point.
403 %a -- Text of the hexadecimal address surrounding point.
404 %p -- Prefix argument to the command (if any) as a number.
405 %c -- Fully qualified class name derived from the expression
406 surrounding point (jdb only).
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407
408 The `current' source file is the file of the current buffer (if
409we're in a C file) or the source file current at the last break or
410step (if we're in the GUD buffer).
411 The `current' line is that of the current buffer (if we're in a
412source file) or the source line number at the last break or step (if
413we're in the GUD buffer)."
414 `(progn
415 (defun ,func (arg)
416 ,@(if doc (list doc))
417 (interactive "p")
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418 (if (not gud-running)
419 ,(if (stringp cmd)
420 `(gud-call ,cmd arg)
421 cmd)))
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422 ,(if key `(local-set-key ,(concat "\C-c" key) ',func))
423 ,(if key `(global-set-key (vconcat gud-key-prefix ,key) ',func))))
424
425;; Where gud-display-frame should put the debugging arrow; a cons of
426;; (filename . line-number). This is set by the marker-filter, which scans
427;; the debugger's output for indications of the current program counter.
428(defvar gud-last-frame nil)
429
430;; Used by gud-refresh, which should cause gud-display-frame to redisplay
431;; the last frame, even if it's been called before and gud-last-frame has
432;; been set to nil.
433(defvar gud-last-last-frame nil)
434
435;; All debugger-specific information is collected here.
436;; Here's how it works, in case you ever need to add a debugger to the mode.
437;;
438;; Each entry must define the following at startup:
439;;
440;;<name>
441;; comint-prompt-regexp
442;; gud-<name>-massage-args
443;; gud-<name>-marker-filter
444;; gud-<name>-find-file
445;;
446;; The job of the massage-args method is to modify the given list of
447;; debugger arguments before running the debugger.
448;;
449;; The job of the marker-filter method is to detect file/line markers in
450;; strings and set the global gud-last-frame to indicate what display
451;; action (if any) should be triggered by the marker. Note that only
452;; whatever the method *returns* is displayed in the buffer; thus, you
453;; can filter the debugger's output, interpreting some and passing on
454;; the rest.
455;;
456;; The job of the find-file method is to visit and return the buffer indicated
457;; by the car of gud-tag-frame. This may be a file name, a tag name, or
458;; something else.
459\f
460;; ======================================================================
461;; speedbar support functions and variables.
462(eval-when-compile (require 'speedbar)) ;For speedbar-with-attached-buffer.
463
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464(defvar gud-last-speedbar-stackframe nil
465 "Description of the currently displayed GUD stack.
bb02b5ec 466The value t means that there is no stack, and we are in display-file mode.")
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467
468(defvar gud-speedbar-key-map nil
469 "Keymap used when in the buffers display mode.")
470
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NR
471(defun gud-speedbar-item-info ()
472 "Display the data type of the watch expression element."
473 (let ((var (nth (- (line-number-at-pos (point)) 2) gdb-var-list)))
eddbf5ff
NR
474 (if (nth 7 var)
475 (speedbar-message "%s: %s" (nth 7 var) (nth 3 var))
d19c35c1 476 (speedbar-message "%s" (nth 3 var)))))
e930091e 477
0f9c2d46
JB
478(defun gud-install-speedbar-variables ()
479 "Install those variables used by speedbar to enhance gud/gdb."
480 (if gud-speedbar-key-map
481 nil
482 (setq gud-speedbar-key-map (speedbar-make-specialized-keymap))
483
484 (define-key gud-speedbar-key-map "j" 'speedbar-edit-line)
485 (define-key gud-speedbar-key-map "e" 'speedbar-edit-line)
4ff07782 486 (define-key gud-speedbar-key-map "\C-m" 'speedbar-edit-line)
c35d8f46 487 (define-key gud-speedbar-key-map " " 'speedbar-toggle-line-expansion)
f1a5d0e2
NR
488 (define-key gud-speedbar-key-map "D" 'gdb-var-delete)
489 (define-key gud-speedbar-key-map "p" 'gud-pp))
b863eb35
NR
490
491 (speedbar-add-expansion-list '("GUD" gud-speedbar-menu-items
492 gud-speedbar-key-map
e930091e
NR
493 gud-expansion-speedbar-buttons))
494
40813c08 495 (add-to-list
e930091e
NR
496 'speedbar-mode-functions-list
497 '("GUD" (speedbar-item-info . gud-speedbar-item-info)
498 (speedbar-line-directory . ignore))))
4ff07782 499
0f9c2d46 500(defvar gud-speedbar-menu-items
be820e8d 501 '(["Jump to stack frame" speedbar-edit-line
49f073bd
NR
502 :visible (not (memq (buffer-local-value 'gud-minor-mode gud-comint-buffer)
503 '(gdbmi gdba)))]
be820e8d 504 ["Edit value" speedbar-edit-line
49f073bd
NR
505 :visible (memq (buffer-local-value 'gud-minor-mode gud-comint-buffer)
506 '(gdbmi gdba))]
be820e8d 507 ["Delete expression" gdb-var-delete
49f073bd
NR
508 :visible (memq (buffer-local-value 'gud-minor-mode gud-comint-buffer)
509 '(gdbmi gdba))]
1e906233
NR
510 ["Auto raise frame" gdb-speedbar-auto-raise
511 :style toggle :selected gdb-speedbar-auto-raise
49f073bd
NR
512 :visible (memq (buffer-local-value 'gud-minor-mode gud-comint-buffer)
513 '(gdbmi gdba))]
ae084884 514 ("Output Format"
49f073bd
NR
515 :visible (memq (buffer-local-value 'gud-minor-mode gud-comint-buffer)
516 '(gdbmi gdba))
ae084884
NR
517 ["Binary" (gdb-var-set-format "binary") t]
518 ["Natural" (gdb-var-set-format "natural") t]
519 ["Hexadecimal" (gdb-var-set-format "hexadecimal") t]))
0f9c2d46
JB
520 "Additional menu items to add to the speedbar frame.")
521
522;; Make sure our special speedbar mode is loaded
523(if (featurep 'speedbar)
524 (gud-install-speedbar-variables)
525 (add-hook 'speedbar-load-hook 'gud-install-speedbar-variables))
526
b863eb35 527(defun gud-expansion-speedbar-buttons (directory zero)
bb02b5ec
JB
528 "Wrapper for call to `speedbar-add-expansion-list'.
529DIRECTORY and ZERO are not used, but are required by the caller."
b863eb35
NR
530 (gud-speedbar-buttons gud-comint-buffer))
531
0f9c2d46
JB
532(defun gud-speedbar-buttons (buffer)
533 "Create a speedbar display based on the current state of GUD.
534If the GUD BUFFER is not running a supported debugger, then turn
bb02b5ec 535off the specialized speedbar mode. BUFFER is not used, but is
b863eb35 536required by the caller."
135f440c 537 (when (and gud-comint-buffer
b863eb35
NR
538 ;; gud-comint-buffer might be killed
539 (buffer-name gud-comint-buffer))
c35d8f46
NR
540 (let* ((minor-mode (with-current-buffer buffer gud-minor-mode))
541 (window (get-buffer-window (current-buffer) 0))
0c9512fe 542 (start (window-start window))
c35d8f46 543 (p (window-point window)))
b863eb35 544 (cond
49f073bd 545 ((memq minor-mode '(gdbmi gdba))
0c9512fe
NR
546 (erase-buffer)
547 (insert "Watch Expressions:\n")
0c9512fe
NR
548 (let ((var-list gdb-var-list) parent)
549 (while var-list
550 (let* (char (depth 0) (start 0) (var (car var-list))
551 (varnum (car var)) (expr (nth 1 var))
d4bc9efd 552 (type (if (nth 3 var) (nth 3 var) " "))
eddbf5ff
NR
553 (value (nth 4 var)) (status (nth 5 var))
554 (has-more (nth 6 var)))
0c9512fe
NR
555 (put-text-property
556 0 (length expr) 'face font-lock-variable-name-face expr)
557 (put-text-property
558 0 (length type) 'face font-lock-type-face type)
559 (while (string-match "\\." varnum start)
560 (setq depth (1+ depth)
561 start (1+ (match-beginning 0))))
562 (if (eq depth 0) (setq parent nil))
eddbf5ff
NR
563 (if (and (or (not has-more) (string-equal has-more "0"))
564 (or (equal (nth 2 var) "0")
565 (and (equal (nth 2 var) "1")
566 (string-match "char \\*$" type)) ))
0c9512fe
NR
567 (speedbar-make-tag-line
568 'bracket ?? nil nil
569 (concat expr "\t" value)
570 (if (or parent (eq status 'out-of-scope))
571 nil 'gdb-edit-value)
572 nil
573 (if gdb-show-changed-values
574 (or parent (case status
575 (changed 'font-lock-warning-face)
576 (out-of-scope 'shadow)
577 (t t)))
578 t)
579 depth)
580 (if (eq status 'out-of-scope) (setq parent 'shadow))
581 (if (and (nth 1 var-list)
582 (string-match (concat varnum "\\.")
583 (car (nth 1 var-list))))
584 (setq char ?-)
585 (setq char ?+))
42fcd67b 586 (if (string-match "\\*$\\|\\*&$" type)
02a471b4 587 (speedbar-make-tag-line
0c9512fe
NR
588 'bracket char
589 'gdb-speedbar-expand-node varnum
590 (concat expr "\t" type "\t" value)
02a471b4
NR
591 (if (or parent (eq status 'out-of-scope))
592 nil 'gdb-edit-value)
593 nil
594 (if gdb-show-changed-values
595 (or parent (case status
596 (changed 'font-lock-warning-face)
597 (out-of-scope 'shadow)
6d210c9d
NR
598 (t t)))
599 t)
600 depth)
0c9512fe
NR
601 (speedbar-make-tag-line
602 'bracket char
603 'gdb-speedbar-expand-node varnum
604 (concat expr "\t" type)
605 nil nil
606 (if (and (or parent status) gdb-show-changed-values)
607 'shadow t)
608 depth))))
609 (setq var-list (cdr var-list)))))
2ec58220
NR
610 (t (unless (and (save-excursion
611 (goto-char (point-min))
612 (looking-at "Current Stack:"))
613 (equal gud-last-last-frame gud-last-speedbar-stackframe))
b863eb35
NR
614 (let ((gud-frame-list
615 (cond ((eq minor-mode 'gdb)
616 (gud-gdb-get-stackframe buffer))
617 ;; Add more debuggers here!
618 (t (speedbar-remove-localized-speedbar-support buffer)
619 nil))))
620 (erase-buffer)
621 (if (not gud-frame-list)
622 (insert "No Stack frames\n")
623 (insert "Current Stack:\n"))
624 (dolist (frame gud-frame-list)
625 (insert (nth 1 frame) ":\n")
626 (if (= (length frame) 2)
627 (progn
628 (speedbar-insert-button (car frame)
629 'speedbar-directory-face
630 nil nil nil t))
631 (speedbar-insert-button
632 (car frame)
633 'speedbar-file-face
634 'speedbar-highlight-face
49f073bd 635 (cond ((memq minor-mode '(gdbmi gdba gdb))
b863eb35
NR
636 'gud-gdb-goto-stackframe)
637 (t (error "Should never be here")))
638 frame t))))
c35d8f46 639 (setq gud-last-speedbar-stackframe gud-last-last-frame))))
0c9512fe 640 (set-window-start window start)
c35d8f46 641 (set-window-point window p))))
0f9c2d46
JB
642
643\f
644;; ======================================================================
645;; gdb functions
646
647;; History of argument lists passed to gdb.
648(defvar gud-gdb-history nil)
649
a55f4be1
NR
650(defcustom gud-gud-gdb-command-name "gdb --fullname"
651 "Default command to run an executable under GDB in text command mode.
d4f1855a 652The option \"--fullname\" must be included in this value."
0f9c2d46
JB
653 :type 'string
654 :group 'gud)
655
656(defvar gud-gdb-marker-regexp
657 ;; This used to use path-separator instead of ":";
658 ;; however, we found that on both Windows 32 and MSDOS
659 ;; a colon is correct here.
660 (concat "\032\032\\(.:?[^" ":" "\n]*\\)" ":"
661 "\\([0-9]*\\)" ":" ".*\n"))
662
663;; There's no guarantee that Emacs will hand the filter the entire
664;; marker at once; it could be broken up across several strings. We
665;; might even receive a big chunk with several markers in it. If we
666;; receive a chunk of text which looks like it might contain the
667;; beginning of a marker, we save it here between calls to the
668;; filter.
669(defvar gud-marker-acc "")
670(make-variable-buffer-local 'gud-marker-acc)
671
672(defun gud-gdb-marker-filter (string)
673 (setq gud-marker-acc (concat gud-marker-acc string))
674 (let ((output ""))
675
676 ;; Process all the complete markers in this chunk.
677 (while (string-match gud-gdb-marker-regexp gud-marker-acc)
678 (setq
679
680 ;; Extract the frame position from the marker.
681 gud-last-frame (cons (match-string 1 gud-marker-acc)
0d2794e3 682 (string-to-number (match-string 2 gud-marker-acc)))
0f9c2d46
JB
683
684 ;; Append any text before the marker to the output we're going
685 ;; to return - we don't include the marker in this text.
686 output (concat output
687 (substring gud-marker-acc 0 (match-beginning 0)))
688
689 ;; Set the accumulator to the remaining text.
690 gud-marker-acc (substring gud-marker-acc (match-end 0))))
691
49f073bd
NR
692 ;; Check for annotations and change gud-minor-mode to 'gdba if
693 ;; they are found.
d7af3230 694 (while (string-match "\n\032\032\\(.*\\)\n" gud-marker-acc)
823d2235 695 (let ((match (match-string 1 gud-marker-acc)))
e83637f9 696
823d2235
NR
697 (setq
698 ;; Append any text before the marker to the output we're going
699 ;; to return - we don't include the marker in this text.
700 output (concat output
701 (substring gud-marker-acc 0 (match-beginning 0)))
691ccfad 702
823d2235 703 ;; Set the accumulator to the remaining text.
691ccfad 704
b621b522 705 gud-marker-acc (substring gud-marker-acc (match-end 0)))))
d7af3230 706
0f9c2d46
JB
707 ;; Does the remaining text look like it might end with the
708 ;; beginning of another marker? If it does, then keep it in
ac39a725 709 ;; gud-marker-acc until we receive the rest of it. Since we
0f9c2d46
JB
710 ;; know the full marker regexp above failed, it's pretty simple to
711 ;; test for marker starts.
034de736 712 (if (string-match "\n\\(\032.*\\)?\\'" gud-marker-acc)
0f9c2d46
JB
713 (progn
714 ;; Everything before the potential marker start can be output.
715 (setq output (concat output (substring gud-marker-acc
716 0 (match-beginning 0))))
717
718 ;; Everything after, we save, to combine with later input.
719 (setq gud-marker-acc
720 (substring gud-marker-acc (match-beginning 0))))
721
722 (setq output (concat output gud-marker-acc)
723 gud-marker-acc ""))
724
725 output))
726
727(easy-mmode-defmap gud-minibuffer-local-map
728 '(("\C-i" . comint-dynamic-complete-filename))
729 "Keymap for minibuffer prompting of gud startup command."
730 :inherit minibuffer-local-map)
731
732(defun gud-query-cmdline (minor-mode &optional init)
d792d444 733 (let* ((hist-sym (gud-symbol 'history nil minor-mode))
0f9c2d46
JB
734 (cmd-name (gud-val 'command-name minor-mode)))
735 (unless (boundp hist-sym) (set hist-sym nil))
736 (read-from-minibuffer
737 (format "Run %s (like this): " minor-mode)
738 (or (car-safe (symbol-value hist-sym))
739 (concat (or cmd-name (symbol-name minor-mode))
740 " "
741 (or init
742 (let ((file nil))
743 (dolist (f (directory-files default-directory) file)
744 (if (and (file-executable-p f)
745 (not (file-directory-p f))
746 (or (not file)
747 (file-newer-than-file-p f file)))
748 (setq file f)))))))
749 gud-minibuffer-local-map nil
750 hist-sym)))
751
9f1d9ee4 752(defvar gdb-first-prompt t)
d7af3230 753
63cc3b09
NR
754(defvar gud-filter-pending-text nil
755 "Non-nil means this is text that has been saved for later in `gud-filter'.")
756
49f073bd
NR
757;; If in gdba mode, gdb-ui is loaded.
758(declare-function gdb-restore-windows "gdb-ui" ())
da567a4f 759
49f073bd 760;; The old gdb command (text command mode). The new one is in gdb-ui.el.
0f9c2d46 761;;;###autoload
a55f4be1 762(defun gud-gdb (command-line)
0f9c2d46 763 "Run gdb on program FILE in buffer *gud-FILE*.
ee75f8b7 764The directory containing FILE becomes the initial working
c91d7cbb 765directory and source-file directory for your debugger."
a55f4be1 766 (interactive (list (gud-query-cmdline 'gud-gdb)))
0f9c2d46 767
a9fde69f 768 (when (and gud-comint-buffer
135f440c 769 (buffer-name gud-comint-buffer)
d6e4b785 770 (get-buffer-process gud-comint-buffer)
49f073bd
NR
771 (with-current-buffer gud-comint-buffer (eq gud-minor-mode 'gdba)))
772 (gdb-restore-windows)
773 (error
774 "Multiple debugging requires restarting in text command mode"))
40813c08 775
c91d7cbb
NR
776 (gud-common-init command-line nil 'gud-gdb-marker-filter)
777 (set (make-local-variable 'gud-minor-mode) 'gdb)
0f9c2d46
JB
778
779 (gud-def gud-break "break %f:%l" "\C-b" "Set breakpoint at current line.")
a3caa4de
NR
780 (gud-def gud-tbreak "tbreak %f:%l" "\C-t"
781 "Set temporary breakpoint at current line.")
782 (gud-def gud-remove "clear %f:%l" "\C-d" "Remove breakpoint at current line")
783 (gud-def gud-step "step %p" "\C-s" "Step one source line with display.")
784 (gud-def gud-stepi "stepi %p" "\C-i" "Step one instruction with display.")
785 (gud-def gud-next "next %p" "\C-n" "Step one line (skip functions).")
786 (gud-def gud-nexti "nexti %p" nil "Step one instruction (skip functions).")
787 (gud-def gud-cont "cont" "\C-r" "Continue with display.")
788 (gud-def gud-finish "finish" "\C-f" "Finish executing current function.")
761b053b
NR
789 (gud-def gud-jump
790 (progn (gud-call "tbreak %f:%l") (gud-call "jump %f:%l"))
791 "\C-j" "Set execution address to current line.")
0f9c2d46 792
a3caa4de
NR
793 (gud-def gud-up "up %p" "<" "Up N stack frames (numeric arg).")
794 (gud-def gud-down "down %p" ">" "Down N stack frames (numeric arg).")
795 (gud-def gud-print "print %e" "\C-p" "Evaluate C expression at point.")
796 (gud-def gud-pstar "print* %e" nil
32759db5 797 "Evaluate C dereferenced pointer expression at point.")
a3caa4de 798
5ee47676 799 ;; For debugging Emacs only.
a3caa4de
NR
800 (gud-def gud-pv "pv1 %e" "\C-v" "Print the value of the lisp variable.")
801
802 (gud-def gud-until "until %l" "\C-u" "Continue to current line.")
803 (gud-def gud-run "run" nil "Run the program.")
0f9c2d46
JB
804
805 (local-set-key "\C-i" 'gud-gdb-complete-command)
806 (setq comint-prompt-regexp "^(.*gdb[+]?) *")
807 (setq paragraph-start comint-prompt-regexp)
9f1d9ee4 808 (setq gdb-first-prompt t)
2863ab16 809 (setq gud-running nil)
63cc3b09 810 (setq gud-filter-pending-text nil)
a55f4be1 811 (run-hooks 'gud-gdb-mode-hook))
0f9c2d46
JB
812
813;; One of the nice features of GDB is its impressive support for
814;; context-sensitive command completion. We preserve that feature
815;; in the GUD buffer by using a GDB command designed just for Emacs.
816
817;; The completion process filter indicates when it is finished.
818(defvar gud-gdb-fetch-lines-in-progress)
819
820;; Since output may arrive in fragments we accumulate partials strings here.
821(defvar gud-gdb-fetch-lines-string)
822
823;; We need to know how much of the completion to chop off.
824(defvar gud-gdb-fetch-lines-break)
825
826;; The completion list is constructed by the process filter.
827(defvar gud-gdb-fetched-lines)
828
afe28525 829(defun gud-gdb-complete-command (&optional command a b)
0f9c2d46
JB
830 "Perform completion on the GDB command preceding point.
831This is implemented using the GDB `complete' command which isn't
832available with older versions of GDB."
833 (interactive)
afe28525
NR
834 (if command
835 ;; Used by gud-watch in mini-buffer.
836 (setq command (concat "p " command))
837 ;; Used in GUD buffer.
838 (let ((end (point)))
839 (setq command (buffer-substring (comint-line-beginning-position) end))))
840 (let* ((command-word
0f9c2d46
JB
841 ;; Find the word break. This match will always succeed.
842 (and (string-match "\\(\\`\\| \\)\\([^ ]*\\)\\'" command)
843 (substring command (match-beginning 2))))
844 (complete-list
845 (gud-gdb-run-command-fetch-lines (concat "complete " command)
846 (current-buffer)
847 ;; From string-match above.
848 (match-beginning 2))))
849 ;; Protect against old versions of GDB.
850 (and complete-list
851 (string-match "^Undefined command: \"complete\"" (car complete-list))
852 (error "This version of GDB doesn't support the `complete' command"))
853 ;; Sort the list like readline.
854 (setq complete-list (sort complete-list (function string-lessp)))
855 ;; Remove duplicates.
856 (let ((first complete-list)
857 (second (cdr complete-list)))
858 (while second
859 (if (string-equal (car first) (car second))
860 (setcdr first (setq second (cdr second)))
861 (setq first second
862 second (cdr second)))))
863 ;; Add a trailing single quote if there is a unique completion
864 ;; and it contains an odd number of unquoted single quotes.
865 (and (= (length complete-list) 1)
866 (let ((str (car complete-list))
867 (pos 0)
868 (count 0))
869 (while (string-match "\\([^'\\]\\|\\\\'\\)*'" str pos)
870 (setq count (1+ count)
871 pos (match-end 0)))
872 (and (= (mod count 2) 1)
873 (setq complete-list (list (concat str "'"))))))
874 ;; Let comint handle the rest.
875 (comint-dynamic-simple-complete command-word complete-list)))
876
877;; The completion process filter is installed temporarily to slurp the
878;; output of GDB up to the next prompt and build the completion list.
879(defun gud-gdb-fetch-lines-filter (string filter)
880 "Filter used to read the list of lines output by a command.
881STRING is the output to filter.
882It is passed through FILTER before we look at it."
883 (setq string (funcall filter string))
884 (setq string (concat gud-gdb-fetch-lines-string string))
885 (while (string-match "\n" string)
886 (push (substring string gud-gdb-fetch-lines-break (match-beginning 0))
887 gud-gdb-fetched-lines)
888 (setq string (substring string (match-end 0))))
889 (if (string-match comint-prompt-regexp string)
890 (progn
891 (setq gud-gdb-fetch-lines-in-progress nil)
892 string)
893 (progn
894 (setq gud-gdb-fetch-lines-string string)
895 "")))
896
897;; gdb speedbar functions
898
899(defun gud-gdb-goto-stackframe (text token indent)
900 "Goto the stackframe described by TEXT, TOKEN, and INDENT."
901 (speedbar-with-attached-buffer
902 (gud-basic-call (concat "server frame " (nth 1 token)))
903 (sit-for 1)))
904
905(defvar gud-gdb-fetched-stack-frame nil
906 "Stack frames we are fetching from GDB.")
907
908;(defun gud-gdb-get-scope-data (text token indent)
909; ;; checkdoc-params: (indent)
910; "Fetch data associated with a stack frame, and expand/contract it.
911;Data to do this is retrieved from TEXT and TOKEN."
912; (let ((args nil) (scope nil))
913; (gud-gdb-run-command-fetch-lines "info args")
914;
915; (gud-gdb-run-command-fetch-lines "info local")
916;
917; ))
918
919(defun gud-gdb-get-stackframe (buffer)
920 "Extract the current stack frame out of the GUD GDB BUFFER."
921 (let ((newlst nil)
922 (fetched-stack-frame-list
923 (gud-gdb-run-command-fetch-lines "server backtrace" buffer)))
924 (if (and (car fetched-stack-frame-list)
925 (string-match "No stack" (car fetched-stack-frame-list)))
926 ;; Go into some other mode???
927 nil
928 (dolist (e fetched-stack-frame-list)
929 (let ((name nil) (num nil))
930 (if (not (or
931 (string-match "^#\\([0-9]+\\) +[0-9a-fx]+ in \\([:0-9a-zA-Z_]+\\) (" e)
932 (string-match "^#\\([0-9]+\\) +\\([:0-9a-zA-Z_]+\\) (" e)))
933 (if (not (string-match
c8baaa6b 934 "at \\([-0-9a-zA-Z_/.]+\\):\\([0-9]+\\)$" e))
0f9c2d46
JB
935 nil
936 (setcar newlst
937 (list (nth 0 (car newlst))
938 (nth 1 (car newlst))
939 (match-string 1 e)
940 (match-string 2 e))))
941 (setq num (match-string 1 e)
942 name (match-string 2 e))
943 (setq newlst
944 (cons
945 (if (string-match
c8baaa6b 946 "at \\([-0-9a-zA-Z_/.]+\\):\\([0-9]+\\)$" e)
0f9c2d46
JB
947 (list name num (match-string 1 e)
948 (match-string 2 e))
949 (list name num))
950 newlst)))))
951 (nreverse newlst))))
952
953;(defun gud-gdb-selected-frame-info (buffer)
954; "Learn GDB information for the currently selected stack frame in BUFFER."
955; )
956
957(defun gud-gdb-run-command-fetch-lines (command buffer &optional skip)
958 "Run COMMAND, and return the list of lines it outputs.
afe28525 959BUFFER is the current buffer which may be the GUD buffer in which to run.
bb02b5ec 960SKIP is the number of chars to skip on each line, it defaults to 0."
afe28525
NR
961 (with-current-buffer gud-comint-buffer
962 (if (and (eq gud-comint-buffer buffer)
963 (save-excursion
964 (goto-char (point-max))
965 (forward-line 0)
966 (not (looking-at comint-prompt-regexp))))
0f9c2d46
JB
967 nil
968 ;; Much of this copied from GDB complete, but I'm grabbing the stack
969 ;; frame instead.
970 (let ((gud-gdb-fetch-lines-in-progress t)
971 (gud-gdb-fetched-lines nil)
972 (gud-gdb-fetch-lines-string nil)
973 (gud-gdb-fetch-lines-break (or skip 0))
974 (gud-marker-filter
afe28525
NR
975 `(lambda (string)
976 (gud-gdb-fetch-lines-filter string ',gud-marker-filter))))
0f9c2d46
JB
977 ;; Issue the command to GDB.
978 (gud-basic-call command)
979 ;; Slurp the output.
980 (while gud-gdb-fetch-lines-in-progress
afe28525 981 (accept-process-output (get-buffer-process gud-comint-buffer)))
0f9c2d46
JB
982 (nreverse gud-gdb-fetched-lines)))))
983
984\f
985;; ======================================================================
986;; sdb functions
987
988;; History of argument lists passed to sdb.
989(defvar gud-sdb-history nil)
990
991(defvar gud-sdb-needs-tags (not (file-exists-p "/var"))
992 "If nil, we're on a System V Release 4 and don't need the tags hack.")
993
994(defvar gud-sdb-lastfile nil)
995
996(defun gud-sdb-marker-filter (string)
997 (setq gud-marker-acc
998 (if gud-marker-acc (concat gud-marker-acc string) string))
999 (let (start)
1000 ;; Process all complete markers in this chunk
1001 (while
1002 (cond
1003 ;; System V Release 3.2 uses this format
1004 ((string-match "\\(^\\|\n\\)\\*?\\(0x\\w* in \\)?\\([^:\n]*\\):\\([0-9]*\\):.*\n"
1005 gud-marker-acc start)
1006 (setq gud-last-frame
1007 (cons (match-string 3 gud-marker-acc)
0d2794e3 1008 (string-to-number (match-string 4 gud-marker-acc)))))
0f9c2d46
JB
1009 ;; System V Release 4.0 quite often clumps two lines together
1010 ((string-match "^\\(BREAKPOINT\\|STEPPED\\) process [0-9]+ function [^ ]+ in \\(.+\\)\n\\([0-9]+\\):"
1011 gud-marker-acc start)
1012 (setq gud-sdb-lastfile (match-string 2 gud-marker-acc))
1013 (setq gud-last-frame
1014 (cons gud-sdb-lastfile
0d2794e3 1015 (string-to-number (match-string 3 gud-marker-acc)))))
0f9c2d46
JB
1016 ;; System V Release 4.0
1017 ((string-match "^\\(BREAKPOINT\\|STEPPED\\) process [0-9]+ function [^ ]+ in \\(.+\\)\n"
1018 gud-marker-acc start)
1019 (setq gud-sdb-lastfile (match-string 2 gud-marker-acc)))
1020 ((and gud-sdb-lastfile (string-match "^\\([0-9]+\\):"
1021 gud-marker-acc start))
1022 (setq gud-last-frame
1023 (cons gud-sdb-lastfile
0d2794e3 1024 (string-to-number (match-string 1 gud-marker-acc)))))
0f9c2d46
JB
1025 (t
1026 (setq gud-sdb-lastfile nil)))
1027 (setq start (match-end 0)))
1028
1029 ;; Search for the last incomplete line in this chunk
1030 (while (string-match "\n" gud-marker-acc start)
1031 (setq start (match-end 0)))
1032
1033 ;; If we have an incomplete line, store it in gud-marker-acc.
1034 (setq gud-marker-acc (substring gud-marker-acc (or start 0))))
1035 string)
1036
1037(defun gud-sdb-find-file (f)
1038 (if gud-sdb-needs-tags (find-tag-noselect f) (find-file-noselect f)))
1039
1040;;;###autoload
1041(defun sdb (command-line)
1042 "Run sdb on program FILE in buffer *gud-FILE*.
1043The directory containing FILE becomes the initial working directory
1044and source-file directory for your debugger."
1045 (interactive (list (gud-query-cmdline 'sdb)))
1046
fd9a7f35 1047 (if gud-sdb-needs-tags (require 'etags))
0f9c2d46
JB
1048 (if (and gud-sdb-needs-tags
1049 (not (and (boundp 'tags-file-name)
1050 (stringp tags-file-name)
1051 (file-exists-p tags-file-name))))
1052 (error "The sdb support requires a valid tags table to work"))
1053
1054 (gud-common-init command-line nil 'gud-sdb-marker-filter 'gud-sdb-find-file)
1055 (set (make-local-variable 'gud-minor-mode) 'sdb)
1056
1057 (gud-def gud-break "%l b" "\C-b" "Set breakpoint at current line.")
1058 (gud-def gud-tbreak "%l c" "\C-t" "Set temporary breakpoint at current line.")
1059 (gud-def gud-remove "%l d" "\C-d" "Remove breakpoint at current line")
1060 (gud-def gud-step "s %p" "\C-s" "Step one source line with display.")
1061 (gud-def gud-stepi "i %p" "\C-i" "Step one instruction with display.")
1062 (gud-def gud-next "S %p" "\C-n" "Step one line (skip functions).")
1063 (gud-def gud-cont "c" "\C-r" "Continue with display.")
1064 (gud-def gud-print "%e/" "\C-p" "Evaluate C expression at point.")
1065
1066 (setq comint-prompt-regexp "\\(^\\|\n\\)\\*")
1067 (setq paragraph-start comint-prompt-regexp)
1068 (run-hooks 'sdb-mode-hook)
1069 )
1070\f
1071;; ======================================================================
1072;; dbx functions
1073
1074;; History of argument lists passed to dbx.
1075(defvar gud-dbx-history nil)
1076
1077(defcustom gud-dbx-directories nil
1078 "*A list of directories that dbx should search for source code.
1079If nil, only source files in the program directory
1080will be known to dbx.
1081
1082The file names should be absolute, or relative to the directory
1083containing the executable being debugged."
1084 :type '(choice (const :tag "Current Directory" nil)
1085 (repeat :value ("")
1086 directory))
1087 :group 'gud)
1088
1089(defun gud-dbx-massage-args (file args)
1090 (nconc (let ((directories gud-dbx-directories)
1091 (result nil))
1092 (while directories
1093 (setq result (cons (car directories) (cons "-I" result)))
1094 (setq directories (cdr directories)))
1095 (nreverse result))
1096 args))
1097
1098(defun gud-dbx-marker-filter (string)
1099 (setq gud-marker-acc (if gud-marker-acc (concat gud-marker-acc string) string))
1100
1101 (let (start)
1102 ;; Process all complete markers in this chunk.
1103 (while (or (string-match
1104 "stopped in .* at line \\([0-9]*\\) in file \"\\([^\"]*\\)\""
1105 gud-marker-acc start)
1106 (string-match
1107 "signal .* in .* at line \\([0-9]*\\) in file \"\\([^\"]*\\)\""
1108 gud-marker-acc start))
1109 (setq gud-last-frame
1110 (cons (match-string 2 gud-marker-acc)
0d2794e3 1111 (string-to-number (match-string 1 gud-marker-acc)))
0f9c2d46
JB
1112 start (match-end 0)))
1113
1114 ;; Search for the last incomplete line in this chunk
1115 (while (string-match "\n" gud-marker-acc start)
1116 (setq start (match-end 0)))
1117
1118 ;; If the incomplete line APPEARS to begin with another marker, keep it
1119 ;; in the accumulator. Otherwise, clear the accumulator to avoid an
1120 ;; unnecessary concat during the next call.
1121 (setq gud-marker-acc
1122 (if (string-match "\\(stopped\\|signal\\)" gud-marker-acc start)
1123 (substring gud-marker-acc (match-beginning 0))
1124 nil)))
1125 string)
1126
1127;; Functions for Mips-style dbx. Given the option `-emacs', documented in
1128;; OSF1, not necessarily elsewhere, it produces markers similar to gdb's.
1129(defvar gud-mips-p
1130 (or (string-match "^mips-[^-]*-ultrix" system-configuration)
1131 ;; We haven't tested gud on this system:
1132 (string-match "^mips-[^-]*-riscos" system-configuration)
1133 ;; It's documented on OSF/1.3
1134 (string-match "^mips-[^-]*-osf1" system-configuration)
1135 (string-match "^alpha[^-]*-[^-]*-osf" system-configuration))
1136 "Non-nil to assume the MIPS/OSF dbx conventions (argument `-emacs').")
1137
1138(defvar gud-dbx-command-name
1139 (concat "dbx" (if gud-mips-p " -emacs")))
1140
1141;; This is just like the gdb one except for the regexps since we need to cope
1142;; with an optional breakpoint number in [] before the ^Z^Z
1143(defun gud-mipsdbx-marker-filter (string)
1144 (setq gud-marker-acc (concat gud-marker-acc string))
1145 (let ((output ""))
1146
1147 ;; Process all the complete markers in this chunk.
1148 (while (string-match
1149 ;; This is like th gdb marker but with an optional
1150 ;; leading break point number like `[1] '
1151 "[][ 0-9]*\032\032\\([^:\n]*\\):\\([0-9]*\\):.*\n"
1152 gud-marker-acc)
1153 (setq
1154
1155 ;; Extract the frame position from the marker.
1156 gud-last-frame
1157 (cons (match-string 1 gud-marker-acc)
0d2794e3 1158 (string-to-number (match-string 2 gud-marker-acc)))
0f9c2d46
JB
1159
1160 ;; Append any text before the marker to the output we're going
1161 ;; to return - we don't include the marker in this text.
1162 output (concat output
1163 (substring gud-marker-acc 0 (match-beginning 0)))
1164
1165 ;; Set the accumulator to the remaining text.
1166 gud-marker-acc (substring gud-marker-acc (match-end 0))))
1167
1168 ;; Does the remaining text look like it might end with the
1169 ;; beginning of another marker? If it does, then keep it in
1170 ;; gud-marker-acc until we receive the rest of it. Since we
1171 ;; know the full marker regexp above failed, it's pretty simple to
1172 ;; test for marker starts.
1173 (if (string-match "[][ 0-9]*\032.*\\'" gud-marker-acc)
1174 (progn
1175 ;; Everything before the potential marker start can be output.
1176 (setq output (concat output (substring gud-marker-acc
1177 0 (match-beginning 0))))
1178
1179 ;; Everything after, we save, to combine with later input.
1180 (setq gud-marker-acc
1181 (substring gud-marker-acc (match-beginning 0))))
1182
1183 (setq output (concat output gud-marker-acc)
1184 gud-marker-acc ""))
1185
1186 output))
1187
1188;; The dbx in IRIX is a pain. It doesn't print the file name when
1189;; stopping at a breakpoint (but you do get it from the `up' and
1190;; `down' commands...). The only way to extract the information seems
1191;; to be with a `file' command, although the current line number is
1192;; available in $curline. Thus we have to look for output which
1193;; appears to indicate a breakpoint. Then we prod the dbx sub-process
1194;; to output the information we want with a combination of the
1195;; `printf' and `file' commands as a pseudo marker which we can
1196;; recognise next time through the marker-filter. This would be like
1197;; the gdb marker but you can't get the file name without a newline...
1198;; Note that gud-remove won't work since Irix dbx expects a breakpoint
1199;; number rather than a line number etc. Maybe this could be made to
1200;; work by listing all the breakpoints and picking the one(s) with the
1201;; correct line number, but life's too short.
1202;; d.love@dl.ac.uk (Dave Love) can be blamed for this
1203
1204(defvar gud-irix-p
1205 (and (string-match "^mips-[^-]*-irix" system-configuration)
1206 (not (string-match "irix[6-9]\\.[1-9]" system-configuration)))
1207 "Non-nil to assume the interface appropriate for IRIX dbx.
1208This works in IRIX 4, 5 and 6, but `gud-dbx-use-stopformat-p' provides
1209a better solution in 6.1 upwards.")
1210(defvar gud-dbx-use-stopformat-p
1211 (string-match "irix[6-9]\\.[1-9]" system-configuration)
1212 "Non-nil to use the dbx feature present at least from Irix 6.1
bb02b5ec
JB
1213whereby $stopformat=1 produces an output format compatible with
1214`gud-dbx-marker-filter'.")
0f9c2d46
JB
1215;; [Irix dbx seems to be a moving target. The dbx output changed
1216;; subtly sometime between OS v4.0.5 and v5.2 so that, for instance,
1217;; the output from `up' is no longer spotted by gud (and it's probably
1218;; not distinctive enough to try to match it -- use C-<, C->
1219;; exclusively) . For 5.3 and 6.0, the $curline variable changed to
1220;; `long long'(why?!), so the printf stuff needed changing. The line
1221;; number was cast to `long' as a compromise between the new `long
1222;; long' and the original `int'. This is reported not to work in 6.2,
1223;; so it's changed back to int -- don't make your sources too long.
1224;; From Irix6.1 (but not 6.0?) dbx supports an undocumented feature
1225;; whereby `set $stopformat=1' reportedly produces output compatible
1226;; with `gud-dbx-marker-filter', which we prefer.
1227
1228;; The process filter is also somewhat
1229;; unreliable, sometimes not spotting the markers; I don't know
1230;; whether there's anything that can be done about that. It would be
1231;; much better if SGI could be persuaded to (re?)instate the MIPS
1232;; -emacs flag for gdb-like output (which ought to be possible as most
1233;; of the communication I've had over it has been from sgi.com).]
1234
1235;; this filter is influenced by the xdb one rather than the gdb one
1236(defun gud-irixdbx-marker-filter (string)
1237 (let (result (case-fold-search nil))
1238 (if (or (string-match comint-prompt-regexp string)
1239 (string-match ".*\012" string))
1240 (setq result (concat gud-marker-acc string)
1241 gud-marker-acc "")
1242 (setq gud-marker-acc (concat gud-marker-acc string)))
1243 (if result
1244 (cond
1245 ;; look for breakpoint or signal indication e.g.:
1246 ;; [2] Process 1267 (pplot) stopped at [params:338 ,0x400ec0]
1247 ;; Process 1281 (pplot) stopped at [params:339 ,0x400ec8]
1248 ;; Process 1270 (pplot) Floating point exception [._read._read:16 ,0x452188]
1249 ((string-match
1250 "^\\(\\[[0-9]+] \\)?Process +[0-9]+ ([^)]*) [^[]+\\[[^]\n]*]\n"
1251 result)
1252 ;; prod dbx into printing out the line number and file
1253 ;; name in a form we can grok as below
1254 (process-send-string (get-buffer-process gud-comint-buffer)
1255 "printf \"\032\032%1d:\",(int)$curline;file\n"))
1256 ;; look for result of, say, "up" e.g.:
1257 ;; .pplot.pplot(0x800) ["src/pplot.f":261, 0x400c7c]
1258 ;; (this will also catch one of the lines printed by "where")
1259 ((string-match
1260 "^[^ ][^[]*\\[\"\\([^\"]+\\)\":\\([0-9]+\\), [^]]+]\n"
1261 result)
1262 (let ((file (match-string 1 result)))
1263 (if (file-exists-p file)
1264 (setq gud-last-frame
1265 (cons (match-string 1 result)
0d2794e3 1266 (string-to-number (match-string 2 result))))))
0f9c2d46
JB
1267 result)
1268 ((string-match ; kluged-up marker as above
1269 "\032\032\\([0-9]*\\):\\(.*\\)\n" result)
1270 (let ((file (gud-file-name (match-string 2 result))))
1271 (if (and file (file-exists-p file))
1272 (setq gud-last-frame
1273 (cons file
0d2794e3 1274 (string-to-number (match-string 1 result))))))
0f9c2d46
JB
1275 (setq result (substring result 0 (match-beginning 0))))))
1276 (or result "")))
1277
0f9c2d46
JB
1278;; There are a couple of differences between DG's dbx output and normal
1279;; dbx output which make it nontrivial to integrate this into the
1280;; standard dbx-marker-filter (mainly, there are a different number of
1281;; backreferences). The markers look like:
1282;;
1283;; (0) Stopped at line 10, routine main(argc=1, argv=0xeffff0e0), file t.c
1284;;
1285;; from breakpoints (the `(0)' there isn't constant, it's the breakpoint
1286;; number), and
1287;;
1288;; Stopped at line 13, routine main(argc=1, argv=0xeffff0e0), file t.c
1289;;
1290;; from signals and
1291;;
1292;; Frame 21, line 974, routine command_loop(), file keyboard.c
1293;;
1294;; from up/down/where.
1295
1296(defun gud-dguxdbx-marker-filter (string)
1297 (setq gud-marker-acc (if gud-marker-acc
1298 (concat gud-marker-acc string)
1299 string))
1300 (let ((re (concat "^\\(\\(([0-9]+) \\)?Stopped at\\|Frame [0-9]+,\\)"
1301 " line \\([0-9]+\\), routine .*, file \\([^ \t\n]+\\)"))
1302 start)
1303 ;; Process all complete markers in this chunk.
1304 (while (string-match re gud-marker-acc start)
1305 (setq gud-last-frame
1306 (cons (match-string 4 gud-marker-acc)
0d2794e3 1307 (string-to-number (match-string 3 gud-marker-acc)))
0f9c2d46
JB
1308 start (match-end 0)))
1309
1310 ;; Search for the last incomplete line in this chunk
1311 (while (string-match "\n" gud-marker-acc start)
1312 (setq start (match-end 0)))
1313
1314 ;; If the incomplete line APPEARS to begin with another marker, keep it
1315 ;; in the accumulator. Otherwise, clear the accumulator to avoid an
1316 ;; unnecessary concat during the next call.
1317 (setq gud-marker-acc
1318 (if (string-match "Stopped\\|Frame" gud-marker-acc start)
1319 (substring gud-marker-acc (match-beginning 0))
1320 nil)))
1321 string)
1322
1323;;;###autoload
1324(defun dbx (command-line)
1325 "Run dbx on program FILE in buffer *gud-FILE*.
1326The directory containing FILE becomes the initial working directory
1327and source-file directory for your debugger."
1328 (interactive (list (gud-query-cmdline 'dbx)))
1329
1330 (cond
1331 (gud-mips-p
1332 (gud-common-init command-line nil 'gud-mipsdbx-marker-filter))
1333 (gud-irix-p
1334 (gud-common-init command-line 'gud-dbx-massage-args
1335 'gud-irixdbx-marker-filter))
0f9c2d46
JB
1336 (t
1337 (gud-common-init command-line 'gud-dbx-massage-args
1338 'gud-dbx-marker-filter)))
1339
1340 (set (make-local-variable 'gud-minor-mode) 'dbx)
1341
1342 (cond
1343 (gud-mips-p
1344 (gud-def gud-up "up %p" "<" "Up (numeric arg) stack frames.")
1345 (gud-def gud-down "down %p" ">" "Down (numeric arg) stack frames.")
1346 (gud-def gud-break "stop at \"%f\":%l"
1347 "\C-b" "Set breakpoint at current line.")
1348 (gud-def gud-finish "return" "\C-f" "Finish executing current function."))
1349 (gud-irix-p
1350 (gud-def gud-break "stop at \"%d%f\":%l"
1351 "\C-b" "Set breakpoint at current line.")
1352 (gud-def gud-finish "return" "\C-f" "Finish executing current function.")
1353 (gud-def gud-up "up %p; printf \"\032\032%1d:\",(int)$curline;file\n"
1354 "<" "Up (numeric arg) stack frames.")
1355 (gud-def gud-down "down %p; printf \"\032\032%1d:\",(int)$curline;file\n"
1356 ">" "Down (numeric arg) stack frames.")
1357 ;; Make dbx give out the source location info that we need.
1358 (process-send-string (get-buffer-process gud-comint-buffer)
1359 "printf \"\032\032%1d:\",(int)$curline;file\n"))
1360 (t
1361 (gud-def gud-up "up %p" "<" "Up (numeric arg) stack frames.")
1362 (gud-def gud-down "down %p" ">" "Down (numeric arg) stack frames.")
1363 (gud-def gud-break "file \"%d%f\"\nstop at %l"
1364 "\C-b" "Set breakpoint at current line.")
1365 (if gud-dbx-use-stopformat-p
1366 (process-send-string (get-buffer-process gud-comint-buffer)
1367 "set $stopformat=1\n"))))
1368
1369 (gud-def gud-remove "clear %l" "\C-d" "Remove breakpoint at current line")
1370 (gud-def gud-step "step %p" "\C-s" "Step one line with display.")
1371 (gud-def gud-stepi "stepi %p" "\C-i" "Step one instruction with display.")
1372 (gud-def gud-next "next %p" "\C-n" "Step one line (skip functions).")
deaef289 1373 (gud-def gud-nexti "nexti %p" nil "Step one instruction (skip functions).")
0f9c2d46
JB
1374 (gud-def gud-cont "cont" "\C-r" "Continue with display.")
1375 (gud-def gud-print "print %e" "\C-p" "Evaluate C expression at point.")
deaef289 1376 (gud-def gud-run "run" nil "Run the program.")
0f9c2d46
JB
1377
1378 (setq comint-prompt-regexp "^[^)\n]*dbx) *")
1379 (setq paragraph-start comint-prompt-regexp)
1380 (run-hooks 'dbx-mode-hook)
1381 )
1382\f
1383;; ======================================================================
1384;; xdb (HP PARISC debugger) functions
1385
1386;; History of argument lists passed to xdb.
1387(defvar gud-xdb-history nil)
1388
1389(defcustom gud-xdb-directories nil
1390 "*A list of directories that xdb should search for source code.
1391If nil, only source files in the program directory
1392will be known to xdb.
1393
1394The file names should be absolute, or relative to the directory
1395containing the executable being debugged."
1396 :type '(choice (const :tag "Current Directory" nil)
1397 (repeat :value ("")
1398 directory))
1399 :group 'gud)
1400
1401(defun gud-xdb-massage-args (file args)
1402 (nconc (let ((directories gud-xdb-directories)
1403 (result nil))
1404 (while directories
1405 (setq result (cons (car directories) (cons "-d" result)))
1406 (setq directories (cdr directories)))
1407 (nreverse result))
1408 args))
1409
1410;; xdb does not print the lines all at once, so we have to accumulate them
1411(defun gud-xdb-marker-filter (string)
1412 (let (result)
1413 (if (or (string-match comint-prompt-regexp string)
1414 (string-match ".*\012" string))
1415 (setq result (concat gud-marker-acc string)
1416 gud-marker-acc "")
1417 (setq gud-marker-acc (concat gud-marker-acc string)))
1418 (if result
1419 (if (or (string-match "\\([^\n \t:]+\\): [^:]+: \\([0-9]+\\)[: ]"
1420 result)
1421 (string-match "[^: \t]+:[ \t]+\\([^:]+\\): [^:]+: \\([0-9]+\\):"
1422 result))
0d2794e3 1423 (let ((line (string-to-number (match-string 2 result)))
0f9c2d46
JB
1424 (file (gud-file-name (match-string 1 result))))
1425 (if file
1426 (setq gud-last-frame (cons file line))))))
1427 (or result "")))
1428
1429;;;###autoload
1430(defun xdb (command-line)
1431 "Run xdb on program FILE in buffer *gud-FILE*.
1432The directory containing FILE becomes the initial working directory
1433and source-file directory for your debugger.
1434
490f67f8 1435You can set the variable `gud-xdb-directories' to a list of program source
0f9c2d46
JB
1436directories if your program contains sources from more than one directory."
1437 (interactive (list (gud-query-cmdline 'xdb)))
1438
1439 (gud-common-init command-line 'gud-xdb-massage-args
1440 'gud-xdb-marker-filter)
1441 (set (make-local-variable 'gud-minor-mode) 'xdb)
1442
1443 (gud-def gud-break "b %f:%l" "\C-b" "Set breakpoint at current line.")
1444 (gud-def gud-tbreak "b %f:%l\\t" "\C-t"
1445 "Set temporary breakpoint at current line.")
1446 (gud-def gud-remove "db" "\C-d" "Remove breakpoint at current line")
1447 (gud-def gud-step "s %p" "\C-s" "Step one line with display.")
1448 (gud-def gud-next "S %p" "\C-n" "Step one line (skip functions).")
1449 (gud-def gud-cont "c" "\C-r" "Continue with display.")
1450 (gud-def gud-up "up %p" "<" "Up (numeric arg) stack frames.")
1451 (gud-def gud-down "down %p" ">" "Down (numeric arg) stack frames.")
1452 (gud-def gud-finish "bu\\t" "\C-f" "Finish executing current function.")
1453 (gud-def gud-print "p %e" "\C-p" "Evaluate C expression at point.")
1454
1455 (setq comint-prompt-regexp "^>")
1456 (setq paragraph-start comint-prompt-regexp)
1457 (run-hooks 'xdb-mode-hook))
1458\f
1459;; ======================================================================
1460;; perldb functions
1461
1462;; History of argument lists passed to perldb.
1463(defvar gud-perldb-history nil)
1464
1465(defun gud-perldb-massage-args (file args)
1466 "Convert a command line as would be typed normally to run perldb
1467into one that invokes an Emacs-enabled debugging session.
1468\"-emacs\" is inserted where it will be $ARGV[0] (see perl5db.pl)."
1469 ;; FIXME: what if the command is `make perldb' and doesn't accept those extra
1470 ;; arguments ?
1471 (let* ((new-args nil)
1472 (seen-e nil)
1473 (shift (lambda () (push (pop args) new-args))))
1474
1475 ;; Pass all switches and -e scripts through.
1476 (while (and args
1477 (string-match "^-" (car args))
1478 (not (equal "-" (car args)))
1479 (not (equal "--" (car args))))
1480 (when (equal "-e" (car args))
1481 ;; -e goes with the next arg, so shift one extra.
1482 (or (funcall shift)
1483 ;; -e as the last arg is an error in Perl.
1484 (error "No code specified for -e"))
1485 (setq seen-e t))
1486 (funcall shift))
1487
1488 (unless seen-e
1489 (if (or (not args)
1490 (string-match "^-" (car args)))
1491 (error "Can't use stdin as the script to debug"))
1492 ;; This is the program name.
1493 (funcall shift))
1494
1495 ;; If -e specified, make sure there is a -- so -emacs is not taken
1496 ;; as -e macs.
1497 (if (and args (equal "--" (car args)))
1498 (funcall shift)
1499 (and seen-e (push "--" new-args)))
1500
1501 (push "-emacs" new-args)
1502 (while args
1503 (funcall shift))
1504
1505 (nreverse new-args)))
1506
1507;; There's no guarantee that Emacs will hand the filter the entire
1508;; marker at once; it could be broken up across several strings. We
1509;; might even receive a big chunk with several markers in it. If we
1510;; receive a chunk of text which looks like it might contain the
1511;; beginning of a marker, we save it here between calls to the
1512;; filter.
1513(defun gud-perldb-marker-filter (string)
1514 (setq gud-marker-acc (concat gud-marker-acc string))
1515 (let ((output ""))
1516
1517 ;; Process all the complete markers in this chunk.
1518 (while (string-match "\032\032\\(\\([a-zA-Z]:\\)?[^:\n]*\\):\\([0-9]*\\):.*\n"
1519 gud-marker-acc)
1520 (setq
1521
1522 ;; Extract the frame position from the marker.
1523 gud-last-frame
1524 (cons (match-string 1 gud-marker-acc)
0d2794e3 1525 (string-to-number (match-string 3 gud-marker-acc)))
0f9c2d46
JB
1526
1527 ;; Append any text before the marker to the output we're going
1528 ;; to return - we don't include the marker in this text.
1529 output (concat output
1530 (substring gud-marker-acc 0 (match-beginning 0)))
1531
1532 ;; Set the accumulator to the remaining text.
1533 gud-marker-acc (substring gud-marker-acc (match-end 0))))
1534
1535 ;; Does the remaining text look like it might end with the
1536 ;; beginning of another marker? If it does, then keep it in
ac39a725 1537 ;; gud-marker-acc until we receive the rest of it. Since we
0f9c2d46
JB
1538 ;; know the full marker regexp above failed, it's pretty simple to
1539 ;; test for marker starts.
1540 (if (string-match "\032.*\\'" gud-marker-acc)
1541 (progn
1542 ;; Everything before the potential marker start can be output.
1543 (setq output (concat output (substring gud-marker-acc
1544 0 (match-beginning 0))))
1545
1546 ;; Everything after, we save, to combine with later input.
1547 (setq gud-marker-acc
1548 (substring gud-marker-acc (match-beginning 0))))
1549
1550 (setq output (concat output gud-marker-acc)
1551 gud-marker-acc ""))
1552
1553 output))
1554
1555(defcustom gud-perldb-command-name "perl -d"
1556 "Default command to execute a Perl script under debugger."
1557 :type 'string
1558 :group 'gud)
1559
1560;;;###autoload
1561(defun perldb (command-line)
1562 "Run perldb on program FILE in buffer *gud-FILE*.
1563The directory containing FILE becomes the initial working directory
1564and source-file directory for your debugger."
1565 (interactive
1566 (list (gud-query-cmdline 'perldb
1567 (concat (or (buffer-file-name) "-e 0") " "))))
1568
1569 (gud-common-init command-line 'gud-perldb-massage-args
1570 'gud-perldb-marker-filter)
1571 (set (make-local-variable 'gud-minor-mode) 'perldb)
1572
1573 (gud-def gud-break "b %l" "\C-b" "Set breakpoint at current line.")
1dd52b82 1574 (gud-def gud-remove "B %l" "\C-d" "Remove breakpoint at current line")
0f9c2d46
JB
1575 (gud-def gud-step "s" "\C-s" "Step one source line with display.")
1576 (gud-def gud-next "n" "\C-n" "Step one line (skip functions).")
1577 (gud-def gud-cont "c" "\C-r" "Continue with display.")
1578; (gud-def gud-finish "finish" "\C-f" "Finish executing current function.")
1579; (gud-def gud-up "up %p" "<" "Up N stack frames (numeric arg).")
1580; (gud-def gud-down "down %p" ">" "Down N stack frames (numeric arg).")
8a7bc7b8 1581 (gud-def gud-print "p %e" "\C-p" "Evaluate perl expression at point.")
1dd52b82
NR
1582 (gud-def gud-until "c %l" "\C-u" "Continue to current line.")
1583
0f9c2d46
JB
1584
1585 (setq comint-prompt-regexp "^ DB<+[0-9]+>+ ")
1586 (setq paragraph-start comint-prompt-regexp)
1587 (run-hooks 'perldb-mode-hook))
1588\f
1589;; ======================================================================
1590;; pdb (Python debugger) functions
1591
1592;; History of argument lists passed to pdb.
1593(defvar gud-pdb-history nil)
1594
1595;; Last group is for return value, e.g. "> test.py(2)foo()->None"
1596;; Either file or function name may be omitted: "> <string>(0)?()"
1597(defvar gud-pdb-marker-regexp
f6f3d0b9 1598 "^> \\([-a-zA-Z0-9_/.:\\]*\\|<string>\\)(\\([0-9]+\\))\\([a-zA-Z0-9_]*\\|\\?\\|<module>\\)()\\(->[^\n]*\\)?\n")
0f9c2d46
JB
1599(defvar gud-pdb-marker-regexp-file-group 1)
1600(defvar gud-pdb-marker-regexp-line-group 2)
1601(defvar gud-pdb-marker-regexp-fnname-group 3)
1602
1603(defvar gud-pdb-marker-regexp-start "^> ")
1604
1605;; There's no guarantee that Emacs will hand the filter the entire
1606;; marker at once; it could be broken up across several strings. We
1607;; might even receive a big chunk with several markers in it. If we
1608;; receive a chunk of text which looks like it might contain the
1609;; beginning of a marker, we save it here between calls to the
1610;; filter.
1611(defun gud-pdb-marker-filter (string)
1612 (setq gud-marker-acc (concat gud-marker-acc string))
1613 (let ((output ""))
1614
1615 ;; Process all the complete markers in this chunk.
1616 (while (string-match gud-pdb-marker-regexp gud-marker-acc)
1617 (setq
1618
1619 ;; Extract the frame position from the marker.
1620 gud-last-frame
1621 (let ((file (match-string gud-pdb-marker-regexp-file-group
1622 gud-marker-acc))
0d2794e3 1623 (line (string-to-number
0f9c2d46
JB
1624 (match-string gud-pdb-marker-regexp-line-group
1625 gud-marker-acc))))
1626 (if (string-equal file "<string>")
1627 gud-last-frame
1628 (cons file line)))
1629
1630 ;; Output everything instead of the below
1631 output (concat output (substring gud-marker-acc 0 (match-end 0)))
1632;; ;; Append any text before the marker to the output we're going
1633;; ;; to return - we don't include the marker in this text.
1634;; output (concat output
1635;; (substring gud-marker-acc 0 (match-beginning 0)))
1636
1637 ;; Set the accumulator to the remaining text.
1638 gud-marker-acc (substring gud-marker-acc (match-end 0))))
1639
1640 ;; Does the remaining text look like it might end with the
1641 ;; beginning of another marker? If it does, then keep it in
ac39a725 1642 ;; gud-marker-acc until we receive the rest of it. Since we
0f9c2d46
JB
1643 ;; know the full marker regexp above failed, it's pretty simple to
1644 ;; test for marker starts.
1645 (if (string-match gud-pdb-marker-regexp-start gud-marker-acc)
1646 (progn
1647 ;; Everything before the potential marker start can be output.
1648 (setq output (concat output (substring gud-marker-acc
1649 0 (match-beginning 0))))
1650
1651 ;; Everything after, we save, to combine with later input.
1652 (setq gud-marker-acc
1653 (substring gud-marker-acc (match-beginning 0))))
1654
1655 (setq output (concat output gud-marker-acc)
1656 gud-marker-acc ""))
1657
1658 output))
1659
6f120f70 1660(defcustom gud-pdb-command-name "pdb"
0f9c2d46
JB
1661 "File name for executing the Python debugger.
1662This should be an executable on your path, or an absolute file name."
1663 :type 'string
1664 :group 'gud)
1665
1666;;;###autoload
1667(defun pdb (command-line)
1668 "Run pdb on program FILE in buffer `*gud-FILE*'.
1669The directory containing FILE becomes the initial working directory
1670and source-file directory for your debugger."
1671 (interactive
1672 (list (gud-query-cmdline 'pdb)))
1673
1674 (gud-common-init command-line nil 'gud-pdb-marker-filter)
1675 (set (make-local-variable 'gud-minor-mode) 'pdb)
1676
39c9a047 1677 (gud-def gud-break "break %f:%l" "\C-b" "Set breakpoint at current line.")
0f9c2d46
JB
1678 (gud-def gud-remove "clear %f:%l" "\C-d" "Remove breakpoint at current line")
1679 (gud-def gud-step "step" "\C-s" "Step one source line with display.")
1680 (gud-def gud-next "next" "\C-n" "Step one line (skip functions).")
1681 (gud-def gud-cont "continue" "\C-r" "Continue with display.")
1682 (gud-def gud-finish "return" "\C-f" "Finish executing current function.")
1683 (gud-def gud-up "up" "<" "Up one stack frame.")
1684 (gud-def gud-down "down" ">" "Down one stack frame.")
1685 (gud-def gud-print "p %e" "\C-p" "Evaluate Python expression at point.")
1686 ;; Is this right?
1687 (gud-def gud-statement "! %e" "\C-e" "Execute Python statement at point.")
1688
1689 ;; (setq comint-prompt-regexp "^(.*pdb[+]?) *")
1690 (setq comint-prompt-regexp "^(Pdb) *")
1691 (setq paragraph-start comint-prompt-regexp)
1692 (run-hooks 'pdb-mode-hook))
1693\f
1694;; ======================================================================
1695;;
1696;; JDB support.
1697;;
1698;; AUTHOR: Derek Davies <ddavies@world.std.com>
1699;; Zoltan Kemenczy <zoltan@ieee.org;zkemenczy@rim.net>
1700;;
1701;; CREATED: Sun Feb 22 10:46:38 1998 Derek Davies.
1702;; UPDATED: Nov 11, 2001 Zoltan Kemenczy
1703;; Dec 10, 2002 Zoltan Kemenczy - added nested class support
1704;;
1705;; INVOCATION NOTES:
1706;;
1707;; You invoke jdb-mode with:
1708;;
1709;; M-x jdb <enter>
1710;;
1711;; It responds with:
1712;;
1713;; Run jdb (like this): jdb
1714;;
1715;; type any jdb switches followed by the name of the class you'd like to debug.
1716;; Supply a fully qualfied classname (these do not have the ".class" extension)
1717;; for the name of the class to debug (e.g. "COM.the-kind.ddavies.CoolClass").
1718;; See the known problems section below for restrictions when specifying jdb
1719;; command line switches (search forward for '-classpath').
1720;;
1721;; You should see something like the following:
1722;;
1723;; Current directory is ~/src/java/hello/
1724;; Initializing jdb...
1725;; 0xed2f6628:class(hello)
1726;; >
1727;;
1728;; To set an initial breakpoint try:
1729;;
1730;; > stop in hello.main
1731;; Breakpoint set in hello.main
1732;; >
1733;;
1734;; To execute the program type:
1735;;
1736;; > run
1737;; run hello
1738;;
1739;; Breakpoint hit: running ...
1740;; hello.main (hello:12)
1741;;
1742;; Type M-n to step over the current line and M-s to step into it. That,
1743;; along with the JDB 'help' command should get you started. The 'quit'
1744;; JDB command will get out out of the debugger. There is some truly
1745;; pathetic JDB documentation available at:
1746;;
1747;; http://java.sun.com/products/jdk/1.1/debugging/
1748;;
1749;; KNOWN PROBLEMS AND FIXME's:
1750;;
1751;; Not sure what happens with inner classes ... haven't tried them.
1752;;
1753;; Does not grok UNICODE id's. Only ASCII id's are supported.
1754;;
1755;; You must not put whitespace between "-classpath" and the path to
1756;; search for java classes even though it is required when invoking jdb
1757;; from the command line. See gud-jdb-massage-args for details.
1758;; The same applies for "-sourcepath".
1759;;
1760;; Note: The following applies only if `gud-jdb-use-classpath' is nil;
1761;; refer to the documentation of `gud-jdb-use-classpath' and
1762;; `gud-jdb-classpath',`gud-jdb-sourcepath' variables for information
1763;; on using the classpath for locating java source files.
1764;;
1765;; If any of the source files in the directories listed in
1766;; gud-jdb-directories won't parse you'll have problems. Make sure
1767;; every file ending in ".java" in these directories parses without error.
1768;;
1769;; All the .java files in the directories in gud-jdb-directories are
1770;; syntactically analyzed each time gud jdb is invoked. It would be
1771;; nice to keep as much information as possible between runs. It would
1772;; be really nice to analyze the files only as neccessary (when the
1773;; source needs to be displayed.) I'm not sure to what extent the former
1774;; can be accomplished and I'm not sure the latter can be done at all
1775;; since I don't know of any general way to tell which .class files are
1776;; defined by which .java file without analyzing all the .java files.
1777;; If anyone knows why JavaSoft didn't put the source file names in
1778;; debuggable .class files please clue me in so I find something else
1779;; to be spiteful and bitter about.
1780;;
1781;; ======================================================================
1782;; gud jdb variables and functions
1783
1784(defcustom gud-jdb-command-name "jdb"
1785 "Command that executes the Java debugger."
1786 :type 'string
1787 :group 'gud)
1788
1789(defcustom gud-jdb-use-classpath t
1790 "If non-nil, search for Java source files in classpath directories.
1791The list of directories to search is the value of `gud-jdb-classpath'.
1792The file pathname is obtained by converting the fully qualified
1793class information output by jdb to a relative pathname and appending
1794it to `gud-jdb-classpath' element by element until a match is found.
1795
1796This method has a significant jdb startup time reduction advantage
1797since it does not require the scanning of all `gud-jdb-directories'
1798and parsing all Java files for class information.
1799
1800Set to nil to use `gud-jdb-directories' to scan java sources for
1801class information on jdb startup (original method)."
1802 :type 'boolean
1803 :group 'gud)
1804
1805(defvar gud-jdb-classpath nil
bb02b5ec 1806 "Java/jdb classpath directories list.
0f9c2d46
JB
1807If `gud-jdb-use-classpath' is non-nil, gud-jdb derives the `gud-jdb-classpath'
1808list automatically using the following methods in sequence
1809\(with subsequent successful steps overriding the results of previous
1810steps):
1811
18121) Read the CLASSPATH environment variable,
18132) Read any \"-classpath\" argument used to run jdb,
1814 or detected in jdb output (e.g. if jdb is run by a script
bb02b5ec 1815 that echoes the actual jdb command before starting jdb),
0f9c2d46
JB
18163) Send a \"classpath\" command to jdb and scan jdb output for
1817 classpath information if jdb is invoked with an \"-attach\" (to
1818 an already running VM) argument (This case typically does not
1819 have a \"-classpath\" command line argument - that is provided
1820 to the VM when it is started).
1821
1822Note that method 3 cannot be used with oldjdb (or Java 1 jdb) since
bb02b5ec 1823those debuggers do not support the classpath command. Use 1) or 2).")
0f9c2d46
JB
1824
1825(defvar gud-jdb-sourcepath nil
1826 "Directory list provided by an (optional) \"-sourcepath\" option to jdb.
1827This list is prepended to `gud-jdb-classpath' to form the complete
1828list of directories searched for source files.")
1829
1830(defvar gud-marker-acc-max-length 4000
1831 "Maximum number of debugger output characters to keep.
1832This variable limits the size of `gud-marker-acc' which holds
1833the most recent debugger output history while searching for
1834source file information.")
1835
1836(defvar gud-jdb-history nil
bb02b5ec 1837 "History of argument lists passed to jdb.")
0f9c2d46
JB
1838
1839
1840;; List of Java source file directories.
1841(defvar gud-jdb-directories (list ".")
1842 "*A list of directories that gud jdb should search for source code.
1843The file names should be absolute, or relative to the current
1844directory.
1845
1846The set of .java files residing in the directories listed are
1847syntactically analyzed to determine the classes they define and the
1848packages in which these classes belong. In this way gud jdb maps the
1849package-qualified class names output by the jdb debugger to the source
1850file from which the class originated. This allows gud mode to keep
1851the source code display in sync with the debugging session.")
1852
1853(defvar gud-jdb-source-files nil
bb02b5ec 1854 "List of the java source files for this debugging session.")
0f9c2d46
JB
1855
1856;; Association list of fully qualified class names (package + class name)
1857;; and their source files.
1858(defvar gud-jdb-class-source-alist nil
bb02b5ec 1859 "Association list of fully qualified class names and source files.")
0f9c2d46
JB
1860
1861;; This is used to hold a source file during analysis.
1862(defvar gud-jdb-analysis-buffer nil)
1863
1864(defvar gud-jdb-classpath-string nil
bb02b5ec 1865 "Holds temporary classpath values.")
0f9c2d46
JB
1866
1867(defun gud-jdb-build-source-files-list (path extn)
bb02b5ec 1868 "Return a list of java source files (absolute paths).
0f9c2d46
JB
1869PATH gives the directories in which to search for files with
1870extension EXTN. Normally EXTN is given as the regular expression
1871 \"\\.java$\" ."
1872 (apply 'nconc (mapcar (lambda (d)
1873 (when (file-directory-p d)
1874 (directory-files d t extn nil)))
1875 path)))
1876
1877;; Move point past whitespace.
1878(defun gud-jdb-skip-whitespace ()
1879 (skip-chars-forward " \n\r\t\014"))
1880
1881;; Move point past a "// <eol>" type of comment.
1882(defun gud-jdb-skip-single-line-comment ()
1883 (end-of-line))
1884
1885;; Move point past a "/* */" or "/** */" type of comment.
1886(defun gud-jdb-skip-traditional-or-documentation-comment ()
1887 (forward-char 2)
1888 (catch 'break
1889 (while (not (eobp))
1890 (if (eq (following-char) ?*)
1891 (progn
1892 (forward-char)
1893 (if (not (eobp))
1894 (if (eq (following-char) ?/)
1895 (progn
1896 (forward-char)
1897 (throw 'break nil)))))
1898 (forward-char)))))
1899
1900;; Move point past any number of consecutive whitespace chars and/or comments.
1901(defun gud-jdb-skip-whitespace-and-comments ()
1902 (gud-jdb-skip-whitespace)
1903 (catch 'done
1904 (while t
1905 (cond
1906 ((looking-at "//")
1907 (gud-jdb-skip-single-line-comment)
1908 (gud-jdb-skip-whitespace))
1909 ((looking-at "/\\*")
1910 (gud-jdb-skip-traditional-or-documentation-comment)
1911 (gud-jdb-skip-whitespace))
1912 (t (throw 'done nil))))))
1913
1914;; Move point past things that are id-like. The intent is to skip regular
1915;; id's, such as class or interface names as well as package and interface
1916;; names.
1917(defun gud-jdb-skip-id-ish-thing ()
1918 (skip-chars-forward "^ /\n\r\t\014,;{"))
1919
1920;; Move point past a string literal.
1921(defun gud-jdb-skip-string-literal ()
1922 (forward-char)
1923 (while (not (cond
1924 ((eq (following-char) ?\\)
1925 (forward-char))
1926 ((eq (following-char) ?\042))))
1927 (forward-char))
1928 (forward-char))
1929
1930;; Move point past a character literal.
1931(defun gud-jdb-skip-character-literal ()
1932 (forward-char)
1933 (while
1934 (progn
1935 (if (eq (following-char) ?\\)
1936 (forward-char 2))
1937 (not (eq (following-char) ?\')))
1938 (forward-char))
1939 (forward-char))
1940
ac39a725 1941;; Move point past the following block. There may be (legal) cruft before
0f9c2d46
JB
1942;; the block's opening brace. There must be a block or it's the end of life
1943;; in petticoat junction.
1944(defun gud-jdb-skip-block ()
1945
1946 ;; Find the begining of the block.
1947 (while
1948 (not (eq (following-char) ?{))
1949
1950 ;; Skip any constructs that can harbor literal block delimiter
1951 ;; characters and/or the delimiters for the constructs themselves.
1952 (cond
1953 ((looking-at "//")
1954 (gud-jdb-skip-single-line-comment))
1955 ((looking-at "/\\*")
1956 (gud-jdb-skip-traditional-or-documentation-comment))
1957 ((eq (following-char) ?\042)
1958 (gud-jdb-skip-string-literal))
1959 ((eq (following-char) ?\')
1960 (gud-jdb-skip-character-literal))
1961 (t (forward-char))))
1962
1963 ;; Now at the begining of the block.
1964 (forward-char)
1965
1966 ;; Skip over the body of the block as well as the final brace.
1967 (let ((open-level 1))
1968 (while (not (eq open-level 0))
1969 (cond
1970 ((looking-at "//")
1971 (gud-jdb-skip-single-line-comment))
1972 ((looking-at "/\\*")
1973 (gud-jdb-skip-traditional-or-documentation-comment))
1974 ((eq (following-char) ?\042)
1975 (gud-jdb-skip-string-literal))
1976 ((eq (following-char) ?\')
1977 (gud-jdb-skip-character-literal))
1978 ((eq (following-char) ?{)
1979 (setq open-level (+ open-level 1))
1980 (forward-char))
1981 ((eq (following-char) ?})
1982 (setq open-level (- open-level 1))
1983 (forward-char))
1984 (t (forward-char))))))
1985
1986;; Find the package and class definitions in Java source file FILE. Assumes
1987;; that FILE contains a legal Java program. BUF is a scratch buffer used
1988;; to hold the source during analysis.
1989(defun gud-jdb-analyze-source (buf file)
1990 (let ((l nil))
1991 (set-buffer buf)
1992 (insert-file-contents file nil nil nil t)
1993 (goto-char 0)
1994 (catch 'abort
1995 (let ((p ""))
1996 (while (progn
1997 (gud-jdb-skip-whitespace)
1998 (not (eobp)))
1999 (cond
2000
2001 ;; Any number of semi's following a block is legal. Move point
2002 ;; past them. Note that comments and whitespace may be
2003 ;; interspersed as well.
2004 ((eq (following-char) ?\073)
2005 (forward-char))
2006
2007 ;; Move point past a single line comment.
2008 ((looking-at "//")
2009 (gud-jdb-skip-single-line-comment))
2010
2011 ;; Move point past a traditional or documentation comment.
2012 ((looking-at "/\\*")
2013 (gud-jdb-skip-traditional-or-documentation-comment))
2014
2015 ;; Move point past a package statement, but save the PackageName.
2016 ((looking-at "package")
2017 (forward-char 7)
2018 (gud-jdb-skip-whitespace-and-comments)
2019 (let ((s (point)))
2020 (gud-jdb-skip-id-ish-thing)
2021 (setq p (concat (buffer-substring s (point)) "."))
2022 (gud-jdb-skip-whitespace-and-comments)
2023 (if (eq (following-char) ?\073)
2024 (forward-char))))
2025
2026 ;; Move point past an import statement.
2027 ((looking-at "import")
2028 (forward-char 6)
2029 (gud-jdb-skip-whitespace-and-comments)
2030 (gud-jdb-skip-id-ish-thing)
2031 (gud-jdb-skip-whitespace-and-comments)
2032 (if (eq (following-char) ?\073)
2033 (forward-char)))
2034
2035 ;; Move point past the various kinds of ClassModifiers.
2036 ((looking-at "public")
2037 (forward-char 6))
2038 ((looking-at "abstract")
2039 (forward-char 8))
2040 ((looking-at "final")
2041 (forward-char 5))
2042
2043 ;; Move point past a ClassDeclaraction, but save the class
2044 ;; Identifier.
2045 ((looking-at "class")
2046 (forward-char 5)
2047 (gud-jdb-skip-whitespace-and-comments)
2048 (let ((s (point)))
2049 (gud-jdb-skip-id-ish-thing)
2050 (setq
2051 l (nconc l (list (concat p (buffer-substring s (point)))))))
2052 (gud-jdb-skip-block))
2053
2054 ;; Move point past an interface statement.
2055 ((looking-at "interface")
2056 (forward-char 9)
2057 (gud-jdb-skip-block))
2058
2059 ;; Anything else means the input is invalid.
2060 (t
29a4e67d 2061 (message "Error parsing file %s." file)
0f9c2d46
JB
2062 (throw 'abort nil))))))
2063 l))
2064
2065(defun gud-jdb-build-class-source-alist-for-file (file)
2066 (mapcar
2067 (lambda (c)
2068 (cons c file))
2069 (gud-jdb-analyze-source gud-jdb-analysis-buffer file)))
2070
2071;; Return an alist of fully qualified classes and the source files
2072;; holding their definitions. SOURCES holds a list of all the source
2073;; files to examine.
2074(defun gud-jdb-build-class-source-alist (sources)
2075 (setq gud-jdb-analysis-buffer (get-buffer-create " *gud-jdb-scratch*"))
2076 (prog1
2077 (apply
2078 'nconc
2079 (mapcar
2080 'gud-jdb-build-class-source-alist-for-file
2081 sources))
2082 (kill-buffer gud-jdb-analysis-buffer)
2083 (setq gud-jdb-analysis-buffer nil)))
2084
2085;; Change what was given in the minibuffer to something that can be used to
2086;; invoke the debugger.
2087(defun gud-jdb-massage-args (file args)
2088 ;; The jdb executable must have whitespace between "-classpath" and
2089 ;; its value while gud-common-init expects all switch values to
2090 ;; follow the switch keyword without intervening whitespace. We
2091 ;; require that when the user enters the "-classpath" switch in the
2092 ;; EMACS minibuffer that they do so without the intervening
2093 ;; whitespace. This function adds it back (it's called after
2094 ;; gud-common-init). There are more switches like this (for
2095 ;; instance "-host" and "-password") but I don't care about them
2096 ;; yet.
2097 (if args
2098 (let (massaged-args user-error)
2099
2100 (while (and args (not user-error))
2101 (cond
2102 ((setq user-error (string-match "-classpath$" (car args))))
2103 ((setq user-error (string-match "-sourcepath$" (car args))))
2104 ((string-match "-classpath\\(.+\\)" (car args))
2105 (setq massaged-args
2106 (append massaged-args
2107 (list "-classpath"
2108 (setq gud-jdb-classpath-string
2109 (match-string 1 (car args)))))))
2110 ((string-match "-sourcepath\\(.+\\)" (car args))
2111 (setq massaged-args
2112 (append massaged-args
2113 (list "-sourcepath"
2114 (setq gud-jdb-sourcepath
2115 (match-string 1 (car args)))))))
2116 (t (setq massaged-args (append massaged-args (list (car args))))))
2117 (setq args (cdr args)))
2118
2119 ;; By this point the current directory is all screwed up. Maybe we
2120 ;; could fix things and re-invoke gud-common-init, but for now I think
2121 ;; issueing the error is good enough.
2122 (if user-error
2123 (progn
2124 (kill-buffer (current-buffer))
2125 (error "Error: Omit whitespace between '-classpath or -sourcepath' and its value")))
2126 massaged-args)))
2127
2128;; Search for an association with P, a fully qualified class name, in
ac39a725 2129;; gud-jdb-class-source-alist. The asssociation gives the fully
0f9c2d46
JB
2130;; qualified file name of the source file which produced the class.
2131(defun gud-jdb-find-source-file (p)
2132 (cdr (assoc p gud-jdb-class-source-alist)))
2133
2134;; Note: Reset to this value every time a prompt is seen
2135(defvar gud-jdb-lowest-stack-level 999)
2136
2137(defun gud-jdb-find-source-using-classpath (p)
bb02b5ec
JB
2138 "Find source file corresponding to fully qualified class P.
2139Convert P from jdb's output, converted to a pathname
0f9c2d46
JB
2140relative to a classpath directory."
2141 (save-match-data
2142 (let
2143 (;; Replace dots with slashes and append ".java" to generate file
2144 ;; name relative to classpath
2145 (filename
2146 (concat
2147 (mapconcat 'identity
2148 (split-string
2149 ;; Eliminate any subclass references in the class
2150 ;; name string. These start with a "$"
2151 ((lambda (x)
2152 (if (string-match "$.*" x)
2153 (replace-match "" t t x) p))
2154 p)
2155 "\\.") "/")
2156 ".java"))
2157 (cplist (append gud-jdb-sourcepath gud-jdb-classpath))
2158 found-file)
2159 (while (and cplist
2160 (not (setq found-file
2161 (file-readable-p
2162 (concat (car cplist) "/" filename)))))
2163 (setq cplist (cdr cplist)))
2164 (if found-file (concat (car cplist) "/" filename)))))
2165
2166(defun gud-jdb-find-source (string)
bb02b5ec 2167 "Alias for function used to locate source files.
0f9c2d46
JB
2168Set to `gud-jdb-find-source-using-classpath' or `gud-jdb-find-source-file'
2169during jdb initialization depending on the value of
2170`gud-jdb-use-classpath'."
bb02b5ec 2171 nil)
0f9c2d46
JB
2172
2173(defun gud-jdb-parse-classpath-string (string)
bb02b5ec 2174 "Parse the classpath list and convert each item to an absolute pathname."
0f9c2d46
JB
2175 (mapcar (lambda (s) (if (string-match "[/\\]$" s)
2176 (replace-match "" nil nil s) s))
2177 (mapcar 'file-truename
2178 (split-string
2179 string
2180 (concat "[ \t\n\r,\"" path-separator "]+")))))
2181
2182;; See comentary for other debugger's marker filters - there you will find
2183;; important notes about STRING.
2184(defun gud-jdb-marker-filter (string)
2185
2186 ;; Build up the accumulator.
2187 (setq gud-marker-acc
2188 (if gud-marker-acc
2189 (concat gud-marker-acc string)
2190 string))
2191
2192 ;; Look for classpath information until gud-jdb-classpath-string is found
2193 ;; (interactive, multiple settings of classpath from jdb
2194 ;; not supported/followed)
2195 (if (and gud-jdb-use-classpath
2196 (not gud-jdb-classpath-string)
2197 (or (string-match "classpath:[ \t[]+\\([^]]+\\)" gud-marker-acc)
2198 (string-match "-classpath[ \t\"]+\\([^ \"]+\\)" gud-marker-acc)))
2199 (setq gud-jdb-classpath
2200 (gud-jdb-parse-classpath-string
2201 (setq gud-jdb-classpath-string
2202 (match-string 1 gud-marker-acc)))))
2203
2204 ;; We process STRING from left to right. Each time through the
2205 ;; following loop we process at most one marker. After we've found a
2206 ;; marker, delete gud-marker-acc up to and including the match
2207 (let (file-found)
2208 ;; Process each complete marker in the input.
2209 (while
2210
2211 ;; Do we see a marker?
2212 (string-match
2213 ;; jdb puts out a string of the following form when it
2214 ;; hits a breakpoint:
2215 ;;
2216 ;; <fully-qualified-class><method> (<class>:<line-number>)
2217 ;;
2218 ;; <fully-qualified-class>'s are composed of Java ID's
2219 ;; separated by periods. <method> and <class> are
2220 ;; also Java ID's. <method> begins with a period and
2221 ;; may contain less-than and greater-than (constructors,
2222 ;; for instance, are called <init> in the symbol table.)
2223 ;; Java ID's begin with a letter followed by letters
2224 ;; and/or digits. The set of letters includes underscore
2225 ;; and dollar sign.
2226 ;;
2227 ;; The first group matches <fully-qualified-class>,
2228 ;; the second group matches <class> and the third group
2229 ;; matches <line-number>. We don't care about using
2230 ;; <method> so we don't "group" it.
2231 ;;
2232 ;; FIXME: Java ID's are UNICODE strings, this matches ASCII
2233 ;; ID's only.
2234 ;;
a0c3f8bc
NR
2235 ;; The ".," in the last square-bracket are necessary because
2236 ;; of Sun's total disrespect for backwards compatibility in
0f9c2d46 2237 ;; reported line numbers from jdb - starting in 1.4.0 they
a0c3f8bc
NR
2238 ;; print line numbers using LOCALE, inserting a comma or a
2239 ;; period at the thousands positions (how ingenious!).
0f9c2d46 2240
40813c08 2241 "\\(\\[[0-9]+] \\)*\\([a-zA-Z0-9.$_]+\\)\\.[a-zA-Z0-9$_<>(),]+ \
a0c3f8bc 2242\\(([a-zA-Z0-9.$_]+:\\|line=\\)\\([0-9.,]+\\)"
0f9c2d46
JB
2243 gud-marker-acc)
2244
2245 ;; A good marker is one that:
2246 ;; 1) does not have a "[n] " prefix (not part of a stack backtrace)
2247 ;; 2) does have an "[n] " prefix and n is the lowest prefix seen
2248 ;; since the last prompt
2249 ;; Figure out the line on which to position the debugging arrow.
2250 ;; Return the info as a cons of the form:
2251 ;;
2252 ;; (<file-name> . <line-number>) .
2253 (if (if (match-beginning 1)
2254 (let (n)
0d2794e3 2255 (setq n (string-to-number (substring
0f9c2d46
JB
2256 gud-marker-acc
2257 (1+ (match-beginning 1))
2258 (- (match-end 1) 2))))
2259 (if (< n gud-jdb-lowest-stack-level)
2260 (progn (setq gud-jdb-lowest-stack-level n) t)))
2261 t)
2262 (if (setq file-found
2263 (gud-jdb-find-source (match-string 2 gud-marker-acc)))
2264 (setq gud-last-frame
2265 (cons file-found
0d2794e3 2266 (string-to-number
0f9c2d46
JB
2267 (let
2268 ((numstr (match-string 4 gud-marker-acc)))
a0c3f8bc 2269 (if (string-match "[.,]" numstr)
0f9c2d46
JB
2270 (replace-match "" nil nil numstr)
2271 numstr)))))
2272 (message "Could not find source file.")))
2273
2274 ;; Set the accumulator to the remaining text.
2275 (setq gud-marker-acc (substring gud-marker-acc (match-end 0))))
2276
2277 (if (string-match comint-prompt-regexp gud-marker-acc)
2278 (setq gud-jdb-lowest-stack-level 999)))
2279
2280 ;; Do not allow gud-marker-acc to grow without bound. If the source
2281 ;; file information is not within the last 3/4
2282 ;; gud-marker-acc-max-length characters, well,...
2283 (if (> (length gud-marker-acc) gud-marker-acc-max-length)
2284 (setq gud-marker-acc
2285 (substring gud-marker-acc
2286 (- (/ (* gud-marker-acc-max-length 3) 4)))))
2287
2288 ;; We don't filter any debugger output so just return what we were given.
2289 string)
2290
2291(defvar gud-jdb-command-name "jdb" "Command that executes the Java debugger.")
2292
2293;;;###autoload
2294(defun jdb (command-line)
2295 "Run jdb with command line COMMAND-LINE in a buffer.
2296The buffer is named \"*gud*\" if no initial class is given or
ac39a725 2297\"*gud-<initial-class-basename>*\" if there is. If the \"-classpath\"
0f9c2d46
JB
2298switch is given, omit all whitespace between it and its value.
2299
2300See `gud-jdb-use-classpath' and `gud-jdb-classpath' documentation for
bb02b5ec 2301information on how jdb accesses source files. Alternatively (if
0f9c2d46
JB
2302`gud-jdb-use-classpath' is nil), see `gud-jdb-directories' for the
2303original source file access method.
2304
2305For general information about commands available to control jdb from
2306gud, see `gud-mode'."
2307 (interactive
2308 (list (gud-query-cmdline 'jdb)))
2309 (setq gud-jdb-classpath nil)
2310 (setq gud-jdb-sourcepath nil)
2311
2312 ;; Set gud-jdb-classpath from the CLASSPATH environment variable,
2313 ;; if CLASSPATH is set.
5c030910 2314 (setq gud-jdb-classpath-string (or (getenv "CLASSPATH") "."))
0f9c2d46
JB
2315 (if gud-jdb-classpath-string
2316 (setq gud-jdb-classpath
2317 (gud-jdb-parse-classpath-string gud-jdb-classpath-string)))
2318 (setq gud-jdb-classpath-string nil) ; prepare for next
2319
2320 (gud-common-init command-line 'gud-jdb-massage-args
2321 'gud-jdb-marker-filter)
2322 (set (make-local-variable 'gud-minor-mode) 'jdb)
2323
2324 ;; If a -classpath option was provided, set gud-jdb-classpath
2325 (if gud-jdb-classpath-string
2326 (setq gud-jdb-classpath
2327 (gud-jdb-parse-classpath-string gud-jdb-classpath-string)))
2328 (setq gud-jdb-classpath-string nil) ; prepare for next
2329 ;; If a -sourcepath option was provided, parse it
2330 (if gud-jdb-sourcepath
2331 (setq gud-jdb-sourcepath
2332 (gud-jdb-parse-classpath-string gud-jdb-sourcepath)))
2333
2334 (gud-def gud-break "stop at %c:%l" "\C-b" "Set breakpoint at current line.")
2335 (gud-def gud-remove "clear %c:%l" "\C-d" "Remove breakpoint at current line")
2336 (gud-def gud-step "step" "\C-s" "Step one source line with display.")
2337 (gud-def gud-next "next" "\C-n" "Step one line (skip functions).")
2338 (gud-def gud-cont "cont" "\C-r" "Continue with display.")
2339 (gud-def gud-finish "step up" "\C-f" "Continue until current method returns.")
2340 (gud-def gud-up "up\C-Mwhere" "<" "Up one stack frame.")
2341 (gud-def gud-down "down\C-Mwhere" ">" "Up one stack frame.")
2342 (gud-def gud-run "run" nil "Run the program.") ;if VM start using jdb
92491c14
NR
2343 (gud-def gud-print "print %e" "\C-p" "Print value of expression at point.")
2344 (gud-def gud-pstar "dump %e" nil "Print all object information at point.")
011dd48c 2345
0f9c2d46
JB
2346 (setq comint-prompt-regexp "^> \\|^[^ ]+\\[[0-9]+\\] ")
2347 (setq paragraph-start comint-prompt-regexp)
2348 (run-hooks 'jdb-mode-hook)
2349
2350 (if gud-jdb-use-classpath
2351 ;; Get the classpath information from the debugger
2352 (progn
2353 (if (string-match "-attach" command-line)
2354 (gud-call "classpath"))
2355 (fset 'gud-jdb-find-source
2356 'gud-jdb-find-source-using-classpath))
2357
2358 ;; Else create and bind the class/source association list as well
2359 ;; as the source file list.
2360 (setq gud-jdb-class-source-alist
2361 (gud-jdb-build-class-source-alist
2362 (setq gud-jdb-source-files
2363 (gud-jdb-build-source-files-list gud-jdb-directories
2364 "\\.java$"))))
2365 (fset 'gud-jdb-find-source 'gud-jdb-find-source-file)))
0f9c2d46
JB
2366
2367;;
2368;; End of debugger-specific information
2369;;
2370
2371\f
2372;; When we send a command to the debugger via gud-call, it's annoying
2373;; to see the command and the new prompt inserted into the debugger's
2374;; buffer; we have other ways of knowing the command has completed.
2375;;
2376;; If the buffer looks like this:
2377;; --------------------
2378;; (gdb) set args foo bar
2379;; (gdb) -!-
2380;; --------------------
2381;; (the -!- marks the location of point), and we type `C-x SPC' in a
2382;; source file to set a breakpoint, we want the buffer to end up like
2383;; this:
2384;; --------------------
2385;; (gdb) set args foo bar
2386;; Breakpoint 1 at 0x92: file make-docfile.c, line 49.
2387;; (gdb) -!-
2388;; --------------------
2389;; Essentially, the old prompt is deleted, and the command's output
2390;; and the new prompt take its place.
2391;;
2392;; Not echoing the command is easy enough; you send it directly using
2393;; process-send-string, and it never enters the buffer. However,
2394;; getting rid of the old prompt is trickier; you don't want to do it
2395;; when you send the command, since that will result in an annoying
2396;; flicker as the prompt is deleted, redisplay occurs while Emacs
2397;; waits for a response from the debugger, and the new prompt is
2398;; inserted. Instead, we'll wait until we actually get some output
2399;; from the subprocess before we delete the prompt. If the command
2400;; produced no output other than a new prompt, that prompt will most
2401;; likely be in the first chunk of output received, so we will delete
2402;; the prompt and then replace it with an identical one. If the
2403;; command produces output, the prompt is moving anyway, so the
2404;; flicker won't be annoying.
2405;;
2406;; So - when we want to delete the prompt upon receipt of the next
2407;; chunk of debugger output, we position gud-delete-prompt-marker at
2408;; the start of the prompt; the process filter will notice this, and
2409;; delete all text between it and the process output marker. If
2410;; gud-delete-prompt-marker points nowhere, we leave the current
2411;; prompt alone.
2412(defvar gud-delete-prompt-marker nil)
2413
2414\f
2415(put 'gud-mode 'mode-class 'special)
2416
2417(define-derived-mode gud-mode comint-mode "Debugger"
2418 "Major mode for interacting with an inferior debugger process.
2419
2420 You start it up with one of the commands M-x gdb, M-x sdb, M-x dbx,
2421M-x perldb, M-x xdb, or M-x jdb. Each entry point finishes by executing a
2422hook; `gdb-mode-hook', `sdb-mode-hook', `dbx-mode-hook',
2423`perldb-mode-hook', `xdb-mode-hook', or `jdb-mode-hook' respectively.
2424
2425After startup, the following commands are available in both the GUD
2426interaction buffer and any source buffer GUD visits due to a breakpoint stop
2427or step operation:
2428
2429\\[gud-break] sets a breakpoint at the current file and line. In the
2430GUD buffer, the current file and line are those of the last breakpoint or
2431step. In a source buffer, they are the buffer's file and current line.
2432
2433\\[gud-remove] removes breakpoints on the current file and line.
2434
2435\\[gud-refresh] displays in the source window the last line referred to
2436in the gud buffer.
2437
2438\\[gud-step], \\[gud-next], and \\[gud-stepi] do a step-one-line,
2439step-one-line (not entering function calls), and step-one-instruction
2440and then update the source window with the current file and position.
2441\\[gud-cont] continues execution.
2442
2443\\[gud-print] tries to find the largest C lvalue or function-call expression
2444around point, and sends it to the debugger for value display.
2445
2446The above commands are common to all supported debuggers except xdb which
2447does not support stepping instructions.
2448
2449Under gdb, sdb and xdb, \\[gud-tbreak] behaves exactly like \\[gud-break],
2450except that the breakpoint is temporary; that is, it is removed when
2451execution stops on it.
2452
2453Under gdb, dbx, and xdb, \\[gud-up] pops up through an enclosing stack
2454frame. \\[gud-down] drops back down through one.
2455
2456If you are using gdb or xdb, \\[gud-finish] runs execution to the return from
2457the current function and stops.
2458
2459All the keystrokes above are accessible in the GUD buffer
2460with the prefix C-c, and in all buffers through the prefix C-x C-a.
2461
2462All pre-defined functions for which the concept make sense repeat
2463themselves the appropriate number of times if you give a prefix
2464argument.
2465
2466You may use the `gud-def' macro in the initialization hook to define other
2467commands.
2468
2469Other commands for interacting with the debugger process are inherited from
2470comint mode, which see."
2471 (setq mode-line-process '(":%s"))
2472 (define-key (current-local-map) "\C-c\C-l" 'gud-refresh)
2473 (set (make-local-variable 'gud-last-frame) nil)
2474 (set (make-local-variable 'tool-bar-map) gud-tool-bar-map)
2475 (make-local-variable 'comint-prompt-regexp)
2476 ;; Don't put repeated commands in command history many times.
2477 (set (make-local-variable 'comint-input-ignoredups) t)
2478 (make-local-variable 'paragraph-start)
68b872d2
NR
2479 (set (make-local-variable 'gud-delete-prompt-marker) (make-marker))
2480 (add-hook 'kill-buffer-hook 'gud-kill-buffer-hook nil t))
0f9c2d46
JB
2481
2482;; Cause our buffers to be displayed, by default,
2483;; in the selected window.
6bdad9ae 2484;;;###autoload (add-hook 'same-window-regexps (purecopy "\\*gud-.*\\*\\(\\|<[0-9]+>\\)"))
0f9c2d46
JB
2485
2486(defcustom gud-chdir-before-run t
2487 "Non-nil if GUD should `cd' to the debugged executable."
2488 :group 'gud
2489 :type 'boolean)
2490
99646e59
GM
2491(declare-function tramp-file-name-localname "tramp" (vec))
2492(declare-function tramp-dissect-file-name "tramp" (name &optional nodefault))
2493
0f9c2d46
JB
2494;; Perform initializations common to all debuggers.
2495;; The first arg is the specified command line,
2496;; which starts with the program to debug.
2497;; The other three args specify the values to use
2498;; for local variables in the debugger buffer.
2499(defun gud-common-init (command-line massage-args marker-filter
2500 &optional find-file)
00b733b7 2501 (let* ((words (split-string-and-unquote command-line))
0f9c2d46
JB
2502 (program (car words))
2503 (dir default-directory)
2504 ;; Extract the file name from WORDS
2505 ;; and put t in its place.
2506 ;; Later on we will put the modified file name arg back there.
2507 (file-word (let ((w (cdr words)))
2508 (while (and w (= ?- (aref (car w) 0)))
2509 (setq w (cdr w)))
2510 (and w
2511 (prog1 (car w)
2512 (setcar w t)))))
2513 (file-subst
2514 (and file-word (substitute-in-file-name file-word)))
2515 (args (cdr words))
2516 ;; If a directory was specified, expand the file name.
2517 ;; Otherwise, don't expand it, so GDB can use the PATH.
2518 ;; A file name without directory is literally valid
2519 ;; only if the file exists in ., and in that case,
2520 ;; omitting the expansion here has no visible effect.
2521 (file (and file-word
2522 (if (file-name-directory file-subst)
2523 (expand-file-name file-subst)
2524 file-subst)))
5ab26292
NR
2525 (filepart (and file-word (concat "-" (file-name-nondirectory file))))
2526 (existing-buffer (get-buffer (concat "*gud" filepart "*"))))
0f9c2d46 2527 (pop-to-buffer (concat "*gud" filepart "*"))
f9878c26 2528 (when (and existing-buffer (get-buffer-process existing-buffer))
121586b1 2529 (error "This program is already being debugged"))
0f9c2d46
JB
2530 ;; Set the dir, in case the buffer already existed with a different dir.
2531 (setq default-directory dir)
2532 ;; Set default-directory to the file's directory.
2533 (and file-word
2534 gud-chdir-before-run
2535 ;; Don't set default-directory if no directory was specified.
2536 ;; In that case, either the file is found in the current directory,
2537 ;; in which case this setq is a no-op,
2538 ;; or it is found by searching PATH,
2539 ;; in which case we don't know what directory it was found in.
2540 (file-name-directory file)
2541 (setq default-directory (file-name-directory file)))
2542 (or (bolp) (newline))
2543 (insert "Current directory is " default-directory "\n")
2544 ;; Put the substituted and expanded file name back in its place.
2545 (let ((w args))
2546 (while (and w (not (eq (car w) t)))
2547 (setq w (cdr w)))
2548 (if w
db8af973
MA
2549 (setcar w
2550 (if (file-remote-p default-directory)
7131d261
NR
2551 ;; Tramp has already been loaded if we are here.
2552 (setq file (tramp-file-name-localname
2553 (tramp-dissect-file-name file)))
db8af973 2554 file))))
0f9c2d46
JB
2555 (apply 'make-comint (concat "gud" filepart) program nil
2556 (if massage-args (funcall massage-args file args) args))
2557 ;; Since comint clobbered the mode, we don't set it until now.
2558 (gud-mode)
2559 (set (make-local-variable 'gud-target-name)
2560 (and file-word (file-name-nondirectory file))))
2561 (set (make-local-variable 'gud-marker-filter) marker-filter)
2562 (if find-file (set (make-local-variable 'gud-find-file) find-file))
0f9c2d46
JB
2563 (setq gud-last-last-frame nil)
2564
2565 (set-process-filter (get-buffer-process (current-buffer)) 'gud-filter)
2566 (set-process-sentinel (get-buffer-process (current-buffer)) 'gud-sentinel)
2567 (gud-set-buffer))
2568
2569(defun gud-set-buffer ()
2570 (when (eq major-mode 'gud-mode)
2571 (setq gud-comint-buffer (current-buffer))))
2572
2573(defvar gud-filter-defer-flag nil
2574 "Non-nil means don't process anything from the debugger right now.
2575It is saved for when this flag is not set.")
2576
0f9c2d46
JB
2577;; These functions are responsible for inserting output from your debugger
2578;; into the buffer. The hard work is done by the method that is
2579;; the value of gud-marker-filter.
2580
2581(defun gud-filter (proc string)
2582 ;; Here's where the actual buffer insertion is done
2583 (let (output process-window)
2584 (if (buffer-name (process-buffer proc))
2585 (if gud-filter-defer-flag
2586 ;; If we can't process any text now,
2587 ;; save it for later.
2588 (setq gud-filter-pending-text
2589 (concat (or gud-filter-pending-text "") string))
2590
2591 ;; If we have to ask a question during the processing,
2592 ;; defer any additional text that comes from the debugger
2593 ;; during that time.
2594 (let ((gud-filter-defer-flag t))
2595 ;; Process now any text we previously saved up.
2596 (if gud-filter-pending-text
2597 (setq string (concat gud-filter-pending-text string)
2598 gud-filter-pending-text nil))
2599
2600 (with-current-buffer (process-buffer proc)
2601 ;; If we have been so requested, delete the debugger prompt.
2602 (save-restriction
2603 (widen)
2604 (if (marker-buffer gud-delete-prompt-marker)
3139e03a 2605 (let ((inhibit-read-only t))
0f9c2d46
JB
2606 (delete-region (process-mark proc)
2607 gud-delete-prompt-marker)
2ad0fb7d 2608 (comint-update-fence)
0f9c2d46
JB
2609 (set-marker gud-delete-prompt-marker nil)))
2610 ;; Save the process output, checking for source file markers.
2611 (setq output (gud-marker-filter string))
2612 ;; Check for a filename-and-line number.
2613 ;; Don't display the specified file
2614 ;; unless (1) point is at or after the position where output appears
2615 ;; and (2) this buffer is on the screen.
2616 (setq process-window
2617 (and gud-last-frame
2618 (>= (point) (process-mark proc))
2619 (get-buffer-window (current-buffer)))))
2620
2621 ;; Let the comint filter do the actual insertion.
2622 ;; That lets us inherit various comint features.
2623 (comint-output-filter proc output))
2624
2625 ;; Put the arrow on the source line.
2626 ;; This must be outside of the save-excursion
2627 ;; in case the source file is our current buffer.
2628 (if process-window
007c55a4 2629 (with-selected-window process-window
0a0157ba 2630 (gud-display-frame))
0f9c2d46
JB
2631 ;; We have to be in the proper buffer, (process-buffer proc),
2632 ;; but not in a save-excursion, because that would restore point.
3e215e30
RS
2633 (with-current-buffer (process-buffer proc)
2634 (gud-display-frame))))
0f9c2d46
JB
2635
2636 ;; If we deferred text that arrived during this processing,
2637 ;; handle it now.
2638 (if gud-filter-pending-text
2639 (gud-filter proc ""))))))
2640
2641(defvar gud-minor-mode-type nil)
63cc3b09 2642(defvar gud-overlay-arrow-position nil)
63cc3b09 2643(add-to-list 'overlay-arrow-variable-list 'gud-overlay-arrow-position)
0f9c2d46 2644
49f073bd 2645(declare-function gdb-reset "gdb-ui" ())
da567a4f 2646
0f9c2d46
JB
2647(defun gud-sentinel (proc msg)
2648 (cond ((null (buffer-name (process-buffer proc)))
2649 ;; buffer killed
2650 ;; Stop displaying an arrow in a source file.
63cc3b09 2651 (setq gud-overlay-arrow-position nil)
0f9c2d46 2652 (set-process-buffer proc nil)
a1edf962
NR
2653 (if (and (boundp 'speedbar-frame)
2654 (string-equal speedbar-initial-expansion-list-name "GUD"))
c35d8f46
NR
2655 (speedbar-change-initial-expansion-list
2656 speedbar-previously-used-expansion-list-name))
49f073bd 2657 (if (memq gud-minor-mode-type '(gdbmi gdba))
0f9c2d46
JB
2658 (gdb-reset)
2659 (gud-reset)))
2660 ((memq (process-status proc) '(signal exit))
2661 ;; Stop displaying an arrow in a source file.
63cc3b09 2662 (setq gud-overlay-arrow-position nil)
49f073bd
NR
2663 (if (memq (buffer-local-value 'gud-minor-mode gud-comint-buffer)
2664 '(gdba gdbmi))
1dd4f2c4 2665 (gdb-reset)
a386b095 2666 (gud-reset))
0f9c2d46
JB
2667 (let* ((obuf (current-buffer)))
2668 ;; save-excursion isn't the right thing if
2669 ;; process-buffer is current-buffer
2670 (unwind-protect
2671 (progn
08aef629 2672 ;; Write something in the GUD buffer and hack its mode line,
0f9c2d46
JB
2673 (set-buffer (process-buffer proc))
2674 ;; Fix the mode line.
2675 (setq mode-line-process
2676 (concat ":"
2677 (symbol-name (process-status proc))))
2678 (force-mode-line-update)
2679 (if (eobp)
2680 (insert ?\n mode-name " " msg)
2681 (save-excursion
2682 (goto-char (point-max))
2683 (insert ?\n mode-name " " msg)))
2684 ;; If buffer and mode line will show that the process
2685 ;; is dead, we can delete it now. Otherwise it
2686 ;; will stay around until M-x list-processes.
2687 (delete-process proc))
2688 ;; Restore old buffer, but don't restore old point
2689 ;; if obuf is the gud buffer.
2690 (set-buffer obuf))))))
2691
2692(defun gud-kill-buffer-hook ()
68b872d2
NR
2693 (setq gud-minor-mode-type gud-minor-mode)
2694 (condition-case nil
49f073bd 2695 (kill-process (get-buffer-process (current-buffer)))
68b872d2 2696 (error nil)))
0f9c2d46
JB
2697
2698(defun gud-reset ()
2699 (dolist (buffer (buffer-list))
27149c58
SM
2700 (unless (eq buffer gud-comint-buffer)
2701 (with-current-buffer buffer
2702 (when gud-minor-mode
2703 (setq gud-minor-mode nil)
2704 (kill-local-variable 'tool-bar-map))))))
0f9c2d46
JB
2705
2706(defun gud-display-frame ()
2707 "Find and obey the last filename-and-line marker from the debugger.
2708Obeying it means displaying in another window the specified file and line."
2709 (interactive)
2710 (when gud-last-frame
2711 (gud-set-buffer)
2712 (gud-display-line (car gud-last-frame) (cdr gud-last-frame))
2713 (setq gud-last-last-frame gud-last-frame
2714 gud-last-frame nil)))
2715
da567a4f
GM
2716(declare-function global-hl-line-highlight "hl-line" ())
2717(declare-function hl-line-highlight "hl-line" ())
49f073bd
NR
2718(declare-function gdb-display-source-buffer "gdb-ui" (buffer))
2719(declare-function gdb-display-buffer "gdb-ui" (buf dedicated &optional size))
da567a4f 2720
0f9c2d46
JB
2721;; Make sure the file named TRUE-FILE is in a buffer that appears on the screen
2722;; and that its line LINE is visible.
2723;; Put the overlay-arrow on the line LINE in that buffer.
2724;; Most of the trickiness in here comes from wanting to preserve the current
2725;; region-restriction if that's possible. We use an explicit display-buffer
2726;; to get around the fact that this is called inside a save-excursion.
2727
2728(defun gud-display-line (true-file line)
2729 (let* ((last-nonmenu-event t) ; Prevent use of dialog box for questions.
2730 (buffer
2731 (with-current-buffer gud-comint-buffer
2732 (gud-find-file true-file)))
08aef629
NR
2733 (window (and buffer
2734 (or (get-buffer-window buffer)
49f073bd 2735 (if (memq gud-minor-mode '(gdbmi gdba))
1f38de12
NR
2736 (or (if (get-buffer-window buffer 'visible)
2737 (display-buffer buffer nil 'visible))
08aef629 2738 (unless (gdb-display-source-buffer buffer)
1f38de12 2739 (gdb-display-buffer buffer nil 'visible))))
08aef629 2740 (display-buffer buffer))))
0f9c2d46
JB
2741 (pos))
2742 (if buffer
2743 (progn
2744 (with-current-buffer buffer
37fdcfbc
NR
2745 (unless (or (verify-visited-file-modtime buffer) gud-keep-buffer)
2746 (if (yes-or-no-p
0f9c2d46
JB
2747 (format "File %s changed on disk. Reread from disk? "
2748 (buffer-name)))
2749 (revert-buffer t t)
37fdcfbc 2750 (setq gud-keep-buffer t)))
0f9c2d46
JB
2751 (save-restriction
2752 (widen)
e6ce8c42
GM
2753 (goto-char (point-min))
2754 (forward-line (1- line))
0f9c2d46 2755 (setq pos (point))
63cc3b09
NR
2756 (or gud-overlay-arrow-position
2757 (setq gud-overlay-arrow-position (make-marker)))
8c3f3d64
EZ
2758 (set-marker gud-overlay-arrow-position (point) (current-buffer))
2759 ;; If they turned on hl-line, move the hl-line highlight to
2760 ;; the arrow's line.
2761 (when (featurep 'hl-line)
2762 (cond
2763 (global-hl-line-mode
2764 (global-hl-line-highlight))
2765 ((and hl-line-mode hl-line-sticky-flag)
2766 (hl-line-highlight)))))
0f9c2d46 2767 (cond ((or (< pos (point-min)) (> pos (point-max)))
37fdcfbc
NR
2768 (widen)
2769 (goto-char pos))))
ac39a725 2770 (when window
8d39ce5e 2771 (set-window-point window gud-overlay-arrow-position)
49f073bd 2772 (if (memq gud-minor-mode '(gdbmi gdba))
8d39ce5e 2773 (setq gdb-source-window window)))))))
0f9c2d46
JB
2774
2775;; The gud-call function must do the right thing whether its invoking
2776;; keystroke is from the GUD buffer itself (via major-mode binding)
2777;; or a C buffer. In the former case, we want to supply data from
2778;; gud-last-frame. Here's how we do it:
2779
2780(defun gud-format-command (str arg)
2781 (let ((insource (not (eq (current-buffer) gud-comint-buffer)))
2782 (frame (or gud-last-frame gud-last-last-frame))
2783 result)
1a2416ed
NR
2784 (while (and str
2785 (let ((case-fold-search nil))
2786 (string-match "\\([^%]*\\)%\\([adefFlpc]\\)" str)))
0f9c2d46
JB
2787 (let ((key (string-to-char (match-string 2 str)))
2788 subst)
2789 (cond
2790 ((eq key ?f)
2791 (setq subst (file-name-nondirectory (if insource
2792 (buffer-file-name)
2793 (car frame)))))
2794 ((eq key ?F)
2795 (setq subst (file-name-sans-extension
2796 (file-name-nondirectory (if insource
2797 (buffer-file-name)
2798 (car frame))))))
2799 ((eq key ?d)
2800 (setq subst (file-name-directory (if insource
2801 (buffer-file-name)
2802 (car frame)))))
2803 ((eq key ?l)
2804 (setq subst (int-to-string
2805 (if insource
2806 (save-restriction
2807 (widen)
2808 (+ (count-lines (point-min) (point))
2809 (if (bolp) 1 0)))
2810 (cdr frame)))))
2811 ((eq key ?e)
deaef289 2812 (setq subst (gud-find-expr)))
0f9c2d46
JB
2813 ((eq key ?a)
2814 (setq subst (gud-read-address)))
2815 ((eq key ?c)
2816 (setq subst
2817 (gud-find-class
2818 (if insource
2819 (buffer-file-name)
2820 (car frame))
2821 (if insource
2822 (save-restriction
2823 (widen)
2824 (+ (count-lines (point-min) (point))
2825 (if (bolp) 1 0)))
2826 (cdr frame)))))
2827 ((eq key ?p)
2828 (setq subst (if arg (int-to-string arg)))))
2829 (setq result (concat result (match-string 1 str) subst)))
2830 (setq str (substring str (match-end 2))))
2831 ;; There might be text left in STR when the loop ends.
2832 (concat result str)))
2833
2834(defun gud-read-address ()
2835 "Return a string containing the core-address found in the buffer at point."
2836 (save-match-data
2837 (save-excursion
2838 (let ((pt (point)) found begin)
2839 (setq found (if (search-backward "0x" (- pt 7) t) (point)))
2840 (cond
2841 (found (forward-char 2)
2842 (buffer-substring found
2843 (progn (re-search-forward "[^0-9a-f]")
2844 (forward-char -1)
2845 (point))))
2846 (t (setq begin (progn (re-search-backward "[^0-9]")
2847 (forward-char 1)
2848 (point)))
2849 (forward-char 1)
2850 (re-search-forward "[^0-9]")
2851 (forward-char -1)
2852 (buffer-substring begin (point))))))))
2853
2854(defun gud-call (fmt &optional arg)
2855 (let ((msg (gud-format-command fmt arg)))
2856 (message "Command: %s" msg)
2857 (sit-for 0)
2858 (gud-basic-call msg)))
2859
2860(defun gud-basic-call (command)
2861 "Invoke the debugger COMMAND displaying source in other window."
2862 (interactive)
2863 (gud-set-buffer)
2864 (let ((proc (get-buffer-process gud-comint-buffer)))
2865 (or proc (error "Current buffer has no process"))
2866 ;; Arrange for the current prompt to get deleted.
9a529312 2867 (with-current-buffer gud-comint-buffer
c5269f1c
SM
2868 (save-excursion
2869 (save-restriction
2870 (widen)
2871 (if (marker-position gud-delete-prompt-marker)
2872 ;; We get here when printing an expression.
2873 (goto-char gud-delete-prompt-marker)
2874 (goto-char (process-mark proc))
2875 (forward-line 0))
2876 (if (looking-at comint-prompt-regexp)
2877 (set-marker gud-delete-prompt-marker (point)))
49f073bd 2878 (if (memq gud-minor-mode '(gdbmi gdba))
c5269f1c
SM
2879 (apply comint-input-sender (list proc command))
2880 (process-send-string proc (concat command "\n"))))))))
0f9c2d46
JB
2881
2882(defun gud-refresh (&optional arg)
2883 "Fix up a possibly garbled display, and redraw the arrow."
2884 (interactive "P")
2885 (or gud-last-frame (setq gud-last-frame gud-last-last-frame))
2886 (gud-display-frame)
2887 (recenter arg))
2888\f
deaef289
NR
2889;; Code for parsing expressions out of C or Fortran code. The single entry
2890;; point is gud-find-expr, which tries to return an lvalue expression from
2891;; around point.
2892
c3f6b2b4 2893(defvar gud-find-expr-function 'gud-find-c-expr)
deaef289
NR
2894
2895(defun gud-find-expr (&rest args)
e3456652
NR
2896 (let ((expr (if (and transient-mark-mode mark-active)
2897 (buffer-substring (region-beginning) (region-end))
2898 (apply gud-find-expr-function args))))
2899 (save-match-data
2900 (if (string-match "\n" expr)
2901 (error "Expression must not include a newline"))
2902 (with-current-buffer gud-comint-buffer
2903 (save-excursion
2904 (goto-char (process-mark (get-buffer-process gud-comint-buffer)))
2905 (forward-line 0)
2906 (when (looking-at comint-prompt-regexp)
2907 (set-marker gud-delete-prompt-marker (point))
2908 (set-marker-insertion-type gud-delete-prompt-marker t))
011dd48c
NR
2909 (unless (eq (buffer-local-value 'gud-minor-mode gud-comint-buffer)
2910 'jdb)
517045bc 2911 (insert (concat expr " = "))))))
e3456652 2912 expr))
deaef289
NR
2913
2914;; The next eight functions are hacked from gdbsrc.el by
0f9c2d46
JB
2915;; Debby Ayers <ayers@asc.slb.com>,
2916;; Rich Schaefer <schaefer@asc.slb.com> Schlumberger, Austin, Tx.
2917
2918(defun gud-find-c-expr ()
deaef289 2919 "Returns the expr that surrounds point."
0f9c2d46
JB
2920 (interactive)
2921 (save-excursion
deaef289
NR
2922 (let ((p (point))
2923 (expr (gud-innermost-expr))
2924 (test-expr (gud-prev-expr)))
0f9c2d46
JB
2925 (while (and test-expr (gud-expr-compound test-expr expr))
2926 (let ((prev-expr expr))
2927 (setq expr (cons (car test-expr) (cdr expr)))
2928 (goto-char (car expr))
2929 (setq test-expr (gud-prev-expr))
2930 ;; If we just pasted on the condition of an if or while,
2931 ;; throw it away again.
2932 (if (member (buffer-substring (car test-expr) (cdr test-expr))
2933 '("if" "while" "for"))
2934 (setq test-expr nil
2935 expr prev-expr))))
2936 (goto-char p)
2937 (setq test-expr (gud-next-expr))
2938 (while (gud-expr-compound expr test-expr)
2939 (setq expr (cons (car expr) (cdr test-expr)))
2940 (setq test-expr (gud-next-expr)))
2941 (buffer-substring (car expr) (cdr expr)))))
2942
2943(defun gud-innermost-expr ()
2944 "Returns the smallest expr that point is in; move point to beginning of it.
2945The expr is represented as a cons cell, where the car specifies the point in
2946the current buffer that marks the beginning of the expr and the cdr specifies
2947the character after the end of the expr."
2948 (let ((p (point)) begin end)
2949 (gud-backward-sexp)
2950 (setq begin (point))
2951 (gud-forward-sexp)
2952 (setq end (point))
2953 (if (>= p end)
2954 (progn
2955 (setq begin p)
2956 (goto-char p)
2957 (gud-forward-sexp)
2958 (setq end (point)))
2959 )
2960 (goto-char begin)
2961 (cons begin end)))
2962
2963(defun gud-backward-sexp ()
2964 "Version of `backward-sexp' that catches errors."
2965 (condition-case nil
2966 (backward-sexp)
2967 (error t)))
2968
2969(defun gud-forward-sexp ()
2970 "Version of `forward-sexp' that catches errors."
2971 (condition-case nil
2972 (forward-sexp)
2973 (error t)))
2974
2975(defun gud-prev-expr ()
2976 "Returns the previous expr, point is set to beginning of that expr.
2977The expr is represented as a cons cell, where the car specifies the point in
2978the current buffer that marks the beginning of the expr and the cdr specifies
2979the character after the end of the expr"
2980 (let ((begin) (end))
2981 (gud-backward-sexp)
2982 (setq begin (point))
2983 (gud-forward-sexp)
2984 (setq end (point))
2985 (goto-char begin)
2986 (cons begin end)))
2987
2988(defun gud-next-expr ()
2989 "Returns the following expr, point is set to beginning of that expr.
2990The expr is represented as a cons cell, where the car specifies the point in
2991the current buffer that marks the beginning of the expr and the cdr specifies
2992the character after the end of the expr."
2993 (let ((begin) (end))
2994 (gud-forward-sexp)
2995 (gud-forward-sexp)
2996 (setq end (point))
2997 (gud-backward-sexp)
2998 (setq begin (point))
2999 (cons begin end)))
3000
3001(defun gud-expr-compound-sep (span-start span-end)
3002 "Scan from SPAN-START to SPAN-END for punctuation characters.
3003If `->' is found, return `?.'. If `.' is found, return `?.'.
3004If any other punctuation is found, return `??'.
3005If no punctuation is found, return `? '."
691ccfad 3006 (let ((result ?\s)
0f9c2d46
JB
3007 (syntax))
3008 (while (< span-start span-end)
3009 (setq syntax (char-syntax (char-after span-start)))
3010 (cond
691ccfad 3011 ((= syntax ?\s) t)
0f9c2d46
JB
3012 ((= syntax ?.) (setq syntax (char-after span-start))
3013 (cond
3014 ((= syntax ?.) (setq result ?.))
3015 ((and (= syntax ?-) (= (char-after (+ span-start 1)) ?>))
3016 (setq result ?.)
3017 (setq span-start (+ span-start 1)))
3018 (t (setq span-start span-end)
3019 (setq result ??)))))
3020 (setq span-start (+ span-start 1)))
3021 result))
3022
3023(defun gud-expr-compound (first second)
3024 "Non-nil if concatenating FIRST and SECOND makes a single C expression.
3025The two exprs are represented as a cons cells, where the car
3026specifies the point in the current buffer that marks the beginning of the
3027expr and the cdr specifies the character after the end of the expr.
3028Link exprs of the form:
3029 Expr -> Expr
3030 Expr . Expr
3031 Expr (Expr)
3032 Expr [Expr]
3033 (Expr) Expr
3034 [Expr] Expr"
3035 (let ((span-start (cdr first))
3036 (span-end (car second))
3037 (syntax))
3038 (setq syntax (gud-expr-compound-sep span-start span-end))
3039 (cond
3040 ((= (car first) (car second)) nil)
3041 ((= (cdr first) (cdr second)) nil)
3042 ((= syntax ?.) t)
691ccfad 3043 ((= syntax ?\s)
deaef289
NR
3044 (setq span-start (char-after (- span-start 1)))
3045 (setq span-end (char-after span-end))
3046 (cond
3047 ((= span-start ?)) t)
3048 ((= span-start ?]) t)
3049 ((= span-end ?() t)
3050 ((= span-end ?[) t)
3051 (t nil)))
0f9c2d46
JB
3052 (t nil))))
3053
da567a4f
GM
3054
3055(declare-function c-langelem-sym "cc-defs" (langelem))
3056(declare-function c-langelem-pos "cc-defs" (langelem))
3057(declare-function syntax-symbol "gud" (x))
3058(declare-function syntax-point "gud" (x))
3059
0f9c2d46
JB
3060(defun gud-find-class (f line)
3061 "Find fully qualified class in file F at line LINE.
3062This function uses the `gud-jdb-classpath' (and optional
3063`gud-jdb-sourcepath') list(s) to derive a file
bb02b5ec 3064pathname relative to its classpath directory. The values in
0f9c2d46
JB
3065`gud-jdb-classpath' are assumed to have been converted to absolute
3066pathname standards using file-truename.
3067If F is visited by a buffer and its mode is CC-mode(Java),
3068syntactic information of LINE is used to find the enclosing (nested)
3069class string which is appended to the top level
3070class of the file (using s to separate nested class ids)."
3071 ;; Convert f to a standard representation and remove suffix
3072 (if (and gud-jdb-use-classpath (or gud-jdb-classpath gud-jdb-sourcepath))
3073 (save-match-data
3074 (let ((cplist (append gud-jdb-sourcepath gud-jdb-classpath))
3075 (fbuffer (get-file-buffer f))
339a559e 3076 syntax-symbol syntax-point class-found)
0f9c2d46 3077 (setq f (file-name-sans-extension (file-truename f)))
339a559e
NR
3078 ;; Syntax-symbol returns the symbol of the *first* element
3079 ;; in the syntactical analysis result list, syntax-point
3080 ;; returns the buffer position of same
3081 (fset 'syntax-symbol (lambda (x) (c-langelem-sym (car x))))
3082 (fset 'syntax-point (lambda (x) (c-langelem-pos (car x))))
0f9c2d46
JB
3083 ;; Search through classpath list for an entry that is
3084 ;; contained in f
3085 (while (and cplist (not class-found))
3086 (if (string-match (car cplist) f)
3087 (setq class-found
3088 (mapconcat 'identity
3089 (split-string
3090 (substring f (+ (match-end 0) 1))
3091 "/") ".")))
3092 (setq cplist (cdr cplist)))
3093 ;; if f is visited by a java(cc-mode) buffer, walk up the
3094 ;; syntactic information chain and collect any 'inclass
3095 ;; symbols until 'topmost-intro is reached to find out if
3096 ;; point is within a nested class
3097 (if (and fbuffer (equal (symbol-file 'java-mode) "cc-mode"))
9a529312 3098 (with-current-buffer fbuffer
0f9c2d46
JB
3099 (let ((nclass) (syntax))
3100 ;; While the c-syntactic information does not start
3101 ;; with the 'topmost-intro symbol, there may be
3102 ;; nested classes...
3103 (while (not (eq 'topmost-intro
339a559e 3104 (syntax-symbol (c-guess-basic-syntax))))
0f9c2d46
JB
3105 ;; Check if the current position c-syntactic
3106 ;; analysis has 'inclass
3107 (setq syntax (c-guess-basic-syntax))
3108 (while
339a559e 3109 (and (not (eq 'inclass (syntax-symbol syntax)))
0f9c2d46
JB
3110 (cdr syntax))
3111 (setq syntax (cdr syntax)))
339a559e 3112 (if (eq 'inclass (syntax-symbol syntax))
0f9c2d46 3113 (progn
339a559e 3114 (goto-char (syntax-point syntax))
0f9c2d46
JB
3115 ;; Now we're at the beginning of a class
3116 ;; definition. Find class name
3117 (looking-at
3118 "[A-Za-z0-9 \t\n]*?class[ \t\n]+\\([^ \t\n]+\\)")
3119 (setq nclass
3120 (append (list (match-string-no-properties 1))
3121 nclass)))
3122 (setq syntax (c-guess-basic-syntax))
339a559e 3123 (while (and (not (syntax-point syntax)) (cdr syntax))
0f9c2d46 3124 (setq syntax (cdr syntax)))
339a559e 3125 (goto-char (syntax-point syntax))
0f9c2d46
JB
3126 ))
3127 (string-match (concat (car nclass) "$") class-found)
3128 (setq class-found
3129 (replace-match (mapconcat 'identity nclass "$")
3130 t t class-found)))))
3131 (if (not class-found)
3132 (message "gud-find-class: class for file %s not found!" f))
3133 class-found))
3134 ;; Not using classpath - try class/source association list
3135 (let ((class-found (rassoc f gud-jdb-class-source-alist)))
3136 (if class-found
3137 (car class-found)
3138 (message "gud-find-class: class for file %s not found in gud-jdb-class-source-alist!" f)
3139 nil))))
3140
0d2794e3 3141\f
0f9c2d46
JB
3142;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3143;;; GDB script mode ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3144;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3145
3146(defvar gdb-script-mode-syntax-table
3147 (let ((st (make-syntax-table)))
3148 (modify-syntax-entry ?' "\"" st)
3149 (modify-syntax-entry ?# "<" st)
3150 (modify-syntax-entry ?\n ">" st)
3151 st))
3152
3153(defvar gdb-script-font-lock-keywords
c5209376
MY
3154 '(("^define\\s-+\\(\\(\\w\\|\\s_\\)+\\)" (1 font-lock-function-name-face))
3155 ("\\$\\(\\w+\\)" (1 font-lock-variable-name-face))
237d230e 3156 ("^\\s-*\\(\\w\\(\\w\\|\\s_\\)*\\)" (1 font-lock-keyword-face))))
0f9c2d46
JB
3157
3158(defvar gdb-script-font-lock-syntactic-keywords
3159 '(("^document\\s-.*\\(\n\\)" (1 "< b"))
402adebf 3160 ("^end\\>"
5b0be7fc
SM
3161 (0 (unless (eq (match-beginning 0) (point-min))
3162 ;; We change the \n in front, which is more difficult, but results
3163 ;; in better highlighting. If the doc is empty, the single \n is
3164 ;; both the beginning and the end of the docstring, which can't be
3165 ;; expressed in syntax-tables. Instead, we place the "> b" after
3166 ;; placing the "< b", so the start marker is overwritten by the
3167 ;; termination marker and in the end Emacs simply considers that
3168 ;; there's no docstring at all, which is fine.
3169 (put-text-property (1- (match-beginning 0)) (match-beginning 0)
3170 'syntax-table (eval-when-compile
3171 (string-to-syntax "> b")))
3172 ;; Make sure that rehighlighting the previous line won't erase our
db8af973 3173 ;; syntax-table property.
5b0be7fc
SM
3174 (put-text-property (1- (match-beginning 0)) (match-end 0)
3175 'font-lock-multiline t)
3176 nil)))))
0f9c2d46
JB
3177
3178(defun gdb-script-font-lock-syntactic-face (state)
3179 (cond
3180 ((nth 3 state) font-lock-string-face)
3181 ((nth 7 state) font-lock-doc-face)
3182 (t font-lock-comment-face)))
3183
3184(defvar gdb-script-basic-indent 2)
3185
3186(defun gdb-script-skip-to-head ()
3187 "We're just in front of an `end' and we need to go to its head."
582761a6 3188 (while (and (re-search-backward "^\\s-*\\(\\(end\\)\\|define\\|document\\|if\\|while\\|commands\\)\\>" nil 'move)
0f9c2d46
JB
3189 (match-end 2))
3190 (gdb-script-skip-to-head)))
3191
3192(defun gdb-script-calculate-indentation ()
3193 (cond
3194 ((looking-at "end\\>")
3195 (gdb-script-skip-to-head)
3196 (current-indentation))
3197 ((looking-at "else\\>")
3198 (while (and (re-search-backward "^\\s-*\\(if\\|\\(end\\)\\)\\>" nil 'move)
3199 (match-end 2))
3200 (gdb-script-skip-to-head))
3201 (current-indentation))
3202 (t
3203 (forward-comment (- (point-max)))
3204 (forward-line 0)
3205 (skip-chars-forward " \t")
3206 (+ (current-indentation)
582761a6 3207 (if (looking-at "\\(if\\|while\\|define\\|else\\|commands\\)\\>")
0f9c2d46
JB
3208 gdb-script-basic-indent 0)))))
3209
3210(defun gdb-script-indent-line ()
3211 "Indent current line of GDB script."
3212 (interactive)
3213 (if (and (eq (get-text-property (point) 'face) font-lock-doc-face)
3214 (save-excursion
3215 (forward-line 0)
3216 (skip-chars-forward " \t")
3217 (not (looking-at "end\\>"))))
3218 'noindent
3219 (let* ((savep (point))
3220 (indent (condition-case nil
3221 (save-excursion
3222 (forward-line 0)
3223 (skip-chars-forward " \t")
3224 (if (>= (point) savep) (setq savep nil))
3225 (max (gdb-script-calculate-indentation) 0))
3226 (error 0))))
3227 (if savep
3228 (save-excursion (indent-line-to indent))
3229 (indent-line-to indent)))))
3230
e375517f
MY
3231;; Derived from cfengine.el.
3232(defun gdb-script-beginning-of-defun ()
3233 "`beginning-of-defun' function for Gdb script mode.
3234Treats actions as defuns."
3235 (unless (<= (current-column) (current-indentation))
3236 (end-of-line))
3237 (if (re-search-backward "^define \\|^document " nil t)
3238 (beginning-of-line)
3239 (goto-char (point-min)))
3240 t)
3241
3242;; Derived from cfengine.el.
3243(defun gdb-script-end-of-defun ()
3244 "`end-of-defun' function for Gdb script mode.
3245Treats actions as defuns."
3246 (end-of-line)
3247 (if (re-search-forward "^end" nil t)
3248 (beginning-of-line)
3249 (goto-char (point-max)))
3250 t)
3251
b0fa5db6
DN
3252;; Besides .gdbinit, gdb documents other names to be usable for init
3253;; files, cross-debuggers can use something like
3254;; .PROCESSORNAME-gdbinit so that the host and target gdbinit files
3255;; don't interfere with each other.
0f9c2d46 3256;;;###autoload
6bdad9ae 3257(add-to-list 'auto-mode-alist (cons (purecopy "/\\.[a-z0-9-]*gdbinit") 'gdb-script-mode))
0f9c2d46
JB
3258
3259;;;###autoload
3260(define-derived-mode gdb-script-mode nil "GDB-Script"
bb02b5ec 3261 "Major mode for editing GDB scripts."
0f9c2d46
JB
3262 (set (make-local-variable 'comment-start) "#")
3263 (set (make-local-variable 'comment-start-skip) "#+\\s-*")
3264 (set (make-local-variable 'outline-regexp) "[ \t]")
3265 (set (make-local-variable 'imenu-generic-expression)
3266 '((nil "^define[ \t]+\\(\\w+\\)" 1)))
3267 (set (make-local-variable 'indent-line-function) 'gdb-script-indent-line)
e375517f
MY
3268 (set (make-local-variable 'beginning-of-defun-function)
3269 #'gdb-script-beginning-of-defun)
3270 (set (make-local-variable 'end-of-defun-function)
3271 #'gdb-script-end-of-defun)
0f9c2d46
JB
3272 (set (make-local-variable 'font-lock-defaults)
3273 '(gdb-script-font-lock-keywords nil nil ((?_ . "w")) nil
3274 (font-lock-syntactic-keywords
3275 . gdb-script-font-lock-syntactic-keywords)
3276 (font-lock-syntactic-face-function
3277 . gdb-script-font-lock-syntactic-face))))
3278
ce38ddb8
NR
3279\f
3280;;; tooltips for GUD
3281
3282;;; Customizable settings
760a716c 3283
91239a52 3284;;;###autoload
760a716c
NR
3285(define-minor-mode gud-tooltip-mode
3286 "Toggle the display of GUD tooltips."
3287 :global t
3288 :group 'gud
3289 :group 'tooltip
3290 (require 'tooltip)
3291 (if gud-tooltip-mode
3292 (progn
3293 (add-hook 'change-major-mode-hook 'gud-tooltip-change-major-mode)
3294 (add-hook 'pre-command-hook 'tooltip-hide)
19423c53 3295 (add-hook 'tooltip-functions 'gud-tooltip-tips)
760a716c
NR
3296 (define-key global-map [mouse-movement] 'gud-tooltip-mouse-motion))
3297 (unless tooltip-mode (remove-hook 'pre-command-hook 'tooltip-hide)
3298 (remove-hook 'change-major-mode-hook 'gud-tooltip-change-major-mode)
19423c53 3299 (remove-hook 'tooltip-functions 'gud-tooltip-tips)
760a716c
NR
3300 (define-key global-map [mouse-movement] 'ignore)))
3301 (gud-tooltip-activate-mouse-motions-if-enabled)
afe28525
NR
3302 (if (and gud-comint-buffer
3303 (buffer-name gud-comint-buffer); gud-comint-buffer might be killed
49f073bd
NR
3304 (memq (buffer-local-value 'gud-minor-mode gud-comint-buffer)
3305 '(gdbmi gdba)))
760a716c
NR
3306 (if gud-tooltip-mode
3307 (progn
3308 (dolist (buffer (buffer-list))
3309 (unless (eq buffer gud-comint-buffer)
3310 (with-current-buffer buffer
49f073bd 3311 (when (and (memq gud-minor-mode '(gdbmi gdba))
760a716c
NR
3312 (not (string-match "\\`\\*.+\\*\\'"
3313 (buffer-name))))
3314 (make-local-variable 'gdb-define-alist)
3315 (gdb-create-define-alist)
3316 (add-hook 'after-save-hook
3317 'gdb-create-define-alist nil t))))))
3318 (kill-local-variable 'gdb-define-alist)
3319 (remove-hook 'after-save-hook 'gdb-create-define-alist t))))
3320
cd6ef82d
GM
3321(define-obsolete-variable-alias 'tooltip-gud-modes
3322 'gud-tooltip-modes "22.1")
3323
ff239a7e
NR
3324(defcustom gud-tooltip-modes '(gud-mode c-mode c++-mode fortran-mode
3325 python-mode)
760a716c 3326 "List of modes for which to enable GUD tooltips."
ce38ddb8 3327 :type 'sexp
760a716c 3328 :group 'gud
ce38ddb8
NR
3329 :group 'tooltip)
3330
cd6ef82d
GM
3331(define-obsolete-variable-alias 'tooltip-gud-display
3332 'gud-tooltip-display "22.1")
3333
ce38ddb8
NR
3334(defcustom gud-tooltip-display
3335 '((eq (tooltip-event-buffer gud-tooltip-event)
3336 (marker-buffer gud-overlay-arrow-position)))
3337 "List of forms determining where GUD tooltips are displayed.
3338
3339Forms in the list are combined with AND. The default is to display
3340only tooltips in the buffer containing the overlay arrow."
3341 :type 'sexp
760a716c 3342 :group 'gud
ce38ddb8
NR
3343 :group 'tooltip)
3344
3345(defcustom gud-tooltip-echo-area nil
3346 "Use the echo area instead of frames for GUD tooltips."
3347 :type 'boolean
760a716c 3348 :group 'gud
ce38ddb8
NR
3349 :group 'tooltip)
3350
ce38ddb8
NR
3351;;; Reacting on mouse movements
3352
3353(defun gud-tooltip-change-major-mode ()
3354 "Function added to `change-major-mode-hook' when tooltip mode is on."
3355 (add-hook 'post-command-hook 'gud-tooltip-activate-mouse-motions-if-enabled))
3356
3357(defun gud-tooltip-activate-mouse-motions-if-enabled ()
3358 "Reconsider for all buffers whether mouse motion events are desired."
3359 (remove-hook 'post-command-hook
3360 'gud-tooltip-activate-mouse-motions-if-enabled)
3361 (dolist (buffer (buffer-list))
9a529312 3362 (with-current-buffer buffer
ce38ddb8
NR
3363 (if (and gud-tooltip-mode
3364 (memq major-mode gud-tooltip-modes))
3365 (gud-tooltip-activate-mouse-motions t)
3366 (gud-tooltip-activate-mouse-motions nil)))))
3367
3368(defvar gud-tooltip-mouse-motions-active nil
3369 "Locally t in a buffer if tooltip processing of mouse motion is enabled.")
3370
bd9b3169
NR
3371;; We don't set track-mouse globally because this is a big redisplay
3372;; problem in buffers having a pre-command-hook or such installed,
3373;; which does a set-buffer, like the summary buffer of Gnus. Calling
3374;; set-buffer prevents redisplay optimizations, so every mouse motion
3375;; would be accompanied by a full redisplay.
3376
ce38ddb8
NR
3377(defun gud-tooltip-activate-mouse-motions (activatep)
3378 "Activate/deactivate mouse motion events for the current buffer.
3379ACTIVATEP non-nil means activate mouse motion events."
3380 (if activatep
3381 (progn
3382 (make-local-variable 'gud-tooltip-mouse-motions-active)
3383 (setq gud-tooltip-mouse-motions-active t)
3384 (make-local-variable 'track-mouse)
3385 (setq track-mouse t))
3386 (when gud-tooltip-mouse-motions-active
3387 (kill-local-variable 'gud-tooltip-mouse-motions-active)
3388 (kill-local-variable 'track-mouse))))
3389
aa360da1
GM
3390(defvar tooltip-last-mouse-motion-event)
3391(declare-function tooltip-hide "tooltip" (&optional ignored-arg))
3392(declare-function tooltip-start-delayed-tip "tooltip" ())
3393
ce38ddb8
NR
3394(defun gud-tooltip-mouse-motion (event)
3395 "Command handler for mouse movement events in `global-map'."
3396 (interactive "e")
3397 (tooltip-hide)
3398 (when (car (mouse-pixel-position))
3399 (setq tooltip-last-mouse-motion-event (copy-sequence event))
3400 (tooltip-start-delayed-tip)))
3401
3402;;; Tips for `gud'
3403
3404(defvar gud-tooltip-original-filter nil
3405 "Process filter to restore after GUD output has been received.")
3406
3407(defvar gud-tooltip-dereference nil
3408 "Non-nil means print expressions with a `*' in front of them.
3409For C this would dereference a pointer expression.")
3410
3411(defvar gud-tooltip-event nil
3412 "The mouse movement event that led to a tooltip display.
bb02b5ec 3413This event can be examined by forms in `gud-tooltip-display'.")
ce38ddb8 3414
bfc50337 3415(defun gud-tooltip-dereference (&optional arg)
cf84aa19 3416 "Toggle whether tooltips should show `* expr' or `expr'.
e7f767c2 3417With arg, dereference expr if ARG is positive, otherwise do not derereference."
cf84aa19
NR
3418 (interactive "P")
3419 (setq gud-tooltip-dereference
3420 (if (null arg)
3421 (not gud-tooltip-dereference)
3422 (> (prefix-numeric-value arg) 0)))
3423 (message "Dereferencing is now %s."
3424 (if gud-tooltip-dereference "on" "off")))
ce38ddb8
NR
3425
3426(define-obsolete-function-alias 'tooltip-gud-toggle-dereference
cf84aa19 3427 'gud-tooltip-dereference "22.1")
aa360da1
GM
3428(defvar tooltip-use-echo-area)
3429(declare-function tooltip-show "tooltip" (text &optional use-echo-area))
3430(declare-function tooltip-strip-prompt "tooltip" (process output))
ce38ddb8 3431
ce38ddb8
NR
3432; This will only display data that comes in one chunk.
3433; Larger arrays (say 400 elements) are displayed in
dce4ed29 3434; the tooltip incompletely and spill over into the gud buffer.
ce38ddb8 3435; Switching the process-filter creates timing problems and
49f073bd
NR
3436; it may be difficult to do better. Using annotations as in
3437; gdb-ui.el gets round this problem.
ce38ddb8
NR
3438(defun gud-tooltip-process-output (process output)
3439 "Process debugger output and show it in a tooltip window."
3440 (set-process-filter process gud-tooltip-original-filter)
3441 (tooltip-show (tooltip-strip-prompt process output)
dce4ed29 3442 (or gud-tooltip-echo-area tooltip-use-echo-area)))
ce38ddb8
NR
3443
3444(defun gud-tooltip-print-command (expr)
cf84aa19 3445 "Return a suitable command to print the expression EXPR."
ce38ddb8 3446 (case gud-minor-mode
49f073bd
NR
3447 (gdba (concat "server print " expr))
3448 ((dbx gdbmi) (concat "print " expr))
ff239a7e
NR
3449 ((xdb pdb) (concat "p " expr))
3450 (sdb (concat expr "/"))))
ce38ddb8 3451
49f073bd 3452(declare-function gdb-enqueue-input "gdb-ui" (item))
aa360da1
GM
3453(declare-function tooltip-expr-to-print "tooltip" (event))
3454(declare-function tooltip-event-buffer "tooltip" (event))
da567a4f 3455
ce38ddb8
NR
3456(defun gud-tooltip-tips (event)
3457 "Show tip for identifier or selection under the mouse.
3458The mouse must either point at an identifier or inside a selected
bb02b5ec
JB
3459region for the tip window to be shown. If `gud-tooltip-dereference' is t,
3460add a `*' in front of the printed expression. In the case of a C program
ce38ddb8
NR
3461controlled by GDB, show the associated #define directives when program is
3462not executing.
3463
3464This function must return nil if it doesn't handle EVENT."
3465 (let (process)
3466 (when (and (eventp event)
3467 gud-tooltip-mode
ce38ddb8 3468 gud-comint-buffer
135f440c 3469 (buffer-name gud-comint-buffer); might be killed
ce38ddb8
NR
3470 (setq process (get-buffer-process gud-comint-buffer))
3471 (posn-point (event-end event))
49f073bd 3472 (or (and (eq gud-minor-mode 'gdba) (not gdb-active-process))
ce38ddb8
NR
3473 (progn (setq gud-tooltip-event event)
3474 (eval (cons 'and gud-tooltip-display)))))
3475 (let ((expr (tooltip-expr-to-print event)))
3476 (when expr
49f073bd 3477 (if (and (eq gud-minor-mode 'gdba)
ce38ddb8
NR
3478 (not gdb-active-process))
3479 (progn
bcb96719 3480 (with-current-buffer (tooltip-event-buffer event)
ce38ddb8
NR
3481 (let ((define-elt (assoc expr gdb-define-alist)))
3482 (unless (null define-elt)
dce4ed29
NR
3483 (tooltip-show
3484 (cdr define-elt)
3485 (or gud-tooltip-echo-area tooltip-use-echo-area))
ce38ddb8 3486 expr))))
cf84aa19
NR
3487 (when gud-tooltip-dereference
3488 (setq expr (concat "*" expr)))
ce38ddb8 3489 (let ((cmd (gud-tooltip-print-command expr)))
2b9688f6
NR
3490 (when (and gud-tooltip-mode (eq gud-minor-mode 'gdb))
3491 (gud-tooltip-mode -1)
3492 (message-box "Using GUD tooltips in this mode is unsafe\n\
3493so they have been disabled."))
ce38ddb8 3494 (unless (null cmd) ; CMD can be nil if unknown debugger
49f073bd 3495 (if (memq gud-minor-mode '(gdba gdbmi))
df94fa1e 3496 (if gdb-macro-info
49f073bd 3497 (gdb-enqueue-input
df94fa1e 3498 (list (concat
49f073bd 3499 gdb-server-prefix "macro expand " expr "\n")
df94fa1e 3500 `(lambda () (gdb-tooltip-print-1 ,expr))))
49f073bd 3501 (gdb-enqueue-input
e6f0d1c8
NR
3502 (list (concat cmd "\n")
3503 `(lambda () (gdb-tooltip-print ,expr)))))
ce38ddb8
NR
3504 (setq gud-tooltip-original-filter (process-filter process))
3505 (set-process-filter process 'gud-tooltip-process-output)
3506 (gud-basic-call cmd))
3507 expr))))))))
3508
0f9c2d46
JB
3509(provide 'gud)
3510
cbee283d 3511;; arch-tag: 6d990948-df65-461a-be39-1c7fb83ac4c4
0f9c2d46 3512;;; gud.el ends here