| 1 | ;;; gds.el -- frontend for Guile development in Emacs |
| 2 | |
| 3 | ;;;; Copyright (C) 2003, 2004 Free Software Foundation, Inc. |
| 4 | ;;;; |
| 5 | ;;;; This library is free software; you can redistribute it and/or |
| 6 | ;;;; modify it under the terms of the GNU Lesser General Public |
| 7 | ;;;; License as published by the Free Software Foundation; either |
| 8 | ;;;; version 3 of the License, or (at your option) any later version. |
| 9 | ;;;; |
| 10 | ;;;; This library is distributed in the hope that it will be useful, |
| 11 | ;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | ;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | ;;;; Lesser General Public License for more details. |
| 14 | ;;;; |
| 15 | ;;;; You should have received a copy of the GNU Lesser General Public |
| 16 | ;;;; License along with this library; if not, write to the Free |
| 17 | ;;;; Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 18 | ;;;; 02111-1307 USA |
| 19 | |
| 20 | ; TODO: |
| 21 | ; ?transcript |
| 22 | ; scheme-mode menu |
| 23 | ; interrupt/sigint/async-break |
| 24 | ; (module browsing) |
| 25 | ; load file |
| 26 | ; doing common protocol from debugger |
| 27 | ; thread override for debugging |
| 28 | |
| 29 | ;;;; Prerequisites. |
| 30 | |
| 31 | (require 'scheme) |
| 32 | (require 'cl) |
| 33 | (require 'gds-server) |
| 34 | (require 'gds-scheme) |
| 35 | |
| 36 | ;; The subprocess object for the debug server. |
| 37 | (defvar gds-debug-server nil) |
| 38 | |
| 39 | (defvar gds-unix-socket-name (format "/tmp/.gds-socket-%d" (emacs-pid)) |
| 40 | "Name of the Unix domain socket that GDS will listen on.") |
| 41 | |
| 42 | (defvar gds-tcp-port 8333 |
| 43 | "The TCP port number that GDS will listen on.") |
| 44 | |
| 45 | (defun gds-run-debug-server () |
| 46 | "Start (or restart, if already running) the GDS debug server process." |
| 47 | (interactive) |
| 48 | (if gds-debug-server (gds-kill-debug-server)) |
| 49 | (setq gds-debug-server |
| 50 | (gds-start-server "gds-debug" |
| 51 | gds-unix-socket-name |
| 52 | gds-tcp-port |
| 53 | 'gds-debug-protocol)) |
| 54 | (process-kill-without-query gds-debug-server) |
| 55 | ;; Add the Unix socket name to the environment, so that Guile |
| 56 | ;; clients started from within this Emacs will be able to use it, |
| 57 | ;; and thereby ensure that they connect to the GDS in this Emacs. |
| 58 | (setenv "GDS_UNIX_SOCKET_NAME" gds-unix-socket-name)) |
| 59 | |
| 60 | (defun gds-kill-debug-server () |
| 61 | "Kill the GDS debug server process." |
| 62 | (interactive) |
| 63 | (mapcar (function gds-client-gone) |
| 64 | (mapcar (function car) gds-client-info)) |
| 65 | (condition-case nil |
| 66 | (progn |
| 67 | (kill-process gds-debug-server) |
| 68 | (accept-process-output gds-debug-server 0 200)) |
| 69 | (error)) |
| 70 | (setq gds-debug-server nil)) |
| 71 | |
| 72 | ;; Send input to the subprocess. |
| 73 | (defun gds-send (string client) |
| 74 | (with-current-buffer (get-buffer-create "*GDS Transcript*") |
| 75 | (goto-char (point-max)) |
| 76 | (insert (number-to-string client) ": (" string ")\n")) |
| 77 | (gds-client-put client 'thread-id nil) |
| 78 | (gds-show-client-status client gds-running-text) |
| 79 | (process-send-string gds-debug-server (format "(%S %s)\n" client string))) |
| 80 | |
| 81 | |
| 82 | ;;;; Per-client information |
| 83 | |
| 84 | (defun gds-client-put (client property value) |
| 85 | (let ((client-info (assq client gds-client-info))) |
| 86 | (if client-info |
| 87 | (let ((prop-info (memq property client-info))) |
| 88 | (if prop-info |
| 89 | (setcar (cdr prop-info) value) |
| 90 | (setcdr client-info |
| 91 | (list* property value (cdr client-info))))) |
| 92 | (setq gds-client-info |
| 93 | (cons (list client property value) gds-client-info))))) |
| 94 | |
| 95 | (defun gds-client-get (client property) |
| 96 | (let ((client-info (assq client gds-client-info))) |
| 97 | (and client-info |
| 98 | (cadr (memq property client-info))))) |
| 99 | |
| 100 | (defvar gds-client-info '()) |
| 101 | |
| 102 | (defun gds-get-client-buffer (client) |
| 103 | (let ((existing-buffer (gds-client-get client 'stack-buffer))) |
| 104 | (if (and existing-buffer |
| 105 | (buffer-live-p existing-buffer)) |
| 106 | existing-buffer |
| 107 | (let ((new-buffer (generate-new-buffer (gds-client-get client 'name)))) |
| 108 | (with-current-buffer new-buffer |
| 109 | (gds-debug-mode) |
| 110 | (setq gds-client client) |
| 111 | (setq gds-stack nil)) |
| 112 | (gds-client-put client 'stack-buffer new-buffer) |
| 113 | new-buffer)))) |
| 114 | |
| 115 | (defun gds-client-gone (client &rest ignored) |
| 116 | ;; Kill the client's stack buffer, if it has one. |
| 117 | (let ((stack-buffer (gds-client-get client 'stack-buffer))) |
| 118 | (if (and stack-buffer |
| 119 | (buffer-live-p stack-buffer)) |
| 120 | (kill-buffer stack-buffer))) |
| 121 | ;; Dissociate all the client's associated buffers. |
| 122 | (mapcar (function (lambda (buffer) |
| 123 | (if (buffer-live-p buffer) |
| 124 | (with-current-buffer buffer |
| 125 | (gds-dissociate-buffer))))) |
| 126 | (copy-sequence (gds-client-get client 'associated-buffers))) |
| 127 | ;; Remove this client's record from gds-client-info. |
| 128 | (setq gds-client-info (delq (assq client gds-client-info) gds-client-info))) |
| 129 | |
| 130 | (defvar gds-client nil) |
| 131 | (make-variable-buffer-local 'gds-client) |
| 132 | |
| 133 | (defvar gds-stack nil) |
| 134 | (make-variable-buffer-local 'gds-stack) |
| 135 | |
| 136 | (defvar gds-tweaking nil) |
| 137 | (make-variable-buffer-local 'gds-tweaking) |
| 138 | |
| 139 | (defvar gds-selected-frame-index nil) |
| 140 | (make-variable-buffer-local 'gds-selected-frame-index) |
| 141 | |
| 142 | |
| 143 | ;;;; Debugger protocol |
| 144 | |
| 145 | (defcustom gds-protocol-hook nil |
| 146 | "Hook called on receipt of a protocol form from the GDS client." |
| 147 | :type 'hook |
| 148 | :group 'gds) |
| 149 | |
| 150 | (defun gds-debug-protocol (client form) |
| 151 | (run-hook-with-args 'gds-protocol-hook form) |
| 152 | (or (eq client '*) |
| 153 | (let ((proc (car form))) |
| 154 | (cond ((eq proc 'name) |
| 155 | ;; (name ...) - client name. |
| 156 | (gds-client-put client 'name (caddr form))) |
| 157 | |
| 158 | ((eq proc 'stack) |
| 159 | ;; (stack ...) - stack information. |
| 160 | (with-current-buffer (gds-get-client-buffer client) |
| 161 | (setq gds-stack (cddr form)) |
| 162 | (setq gds-tweaking (memq 'instead (cadr gds-stack))) |
| 163 | (setq gds-selected-frame-index (cadr form)) |
| 164 | (gds-display-stack))) |
| 165 | |
| 166 | ((eq proc 'closed) |
| 167 | ;; (closed) - client has gone/died. |
| 168 | (gds-client-gone client)) |
| 169 | |
| 170 | ((eq proc 'eval-result) |
| 171 | ;; (eval-result RESULT) - result of evaluation. |
| 172 | (if gds-last-eval-result |
| 173 | (message "%s" (cadr form)) |
| 174 | (setq gds-last-eval-result (cadr form)))) |
| 175 | |
| 176 | ((eq proc 'info-result) |
| 177 | ;; (info-result RESULT) - info about selected frame. |
| 178 | (message "%s" (cadr form))) |
| 179 | |
| 180 | ((eq proc 'thread-id) |
| 181 | ;; (thread-id THREAD) - says which client thread is reading. |
| 182 | (let ((thread-id (cadr form)) |
| 183 | (debug-thread-id (gds-client-get client 'debug-thread-id))) |
| 184 | (if (and debug-thread-id |
| 185 | (/= thread-id debug-thread-id)) |
| 186 | ;; Tell the newly reading thread to go away. |
| 187 | (gds-send "dismiss" client) |
| 188 | ;; Either there's no current debug-thread-id, or |
| 189 | ;; the thread now reading is the debug thread. |
| 190 | (if debug-thread-id |
| 191 | (progn |
| 192 | ;; Reset the debug-thread-id. |
| 193 | (gds-client-put client 'debug-thread-id nil) |
| 194 | ;; Indicate debug status in modelines. |
| 195 | (gds-show-client-status client gds-debug-text)) |
| 196 | ;; Indicate normal read status in modelines.. |
| 197 | (gds-show-client-status client gds-ready-text))))) |
| 198 | |
| 199 | ((eq proc 'debug-thread-id) |
| 200 | ;; (debug-thread-id THREAD) - debug override indication. |
| 201 | (gds-client-put client 'debug-thread-id (cadr form)) |
| 202 | ;; If another thread is already reading, send it away. |
| 203 | (if (gds-client-get client 'thread-id) |
| 204 | (gds-send "dismiss" client))) |
| 205 | |
| 206 | (t |
| 207 | ;; Non-debug-specific protocol. |
| 208 | (gds-nondebug-protocol client proc (cdr form))))))) |
| 209 | |
| 210 | |
| 211 | ;;;; Displaying a stack |
| 212 | |
| 213 | (define-derived-mode gds-debug-mode |
| 214 | scheme-mode |
| 215 | "Guile-Debug" |
| 216 | "Major mode for debugging a Guile client application." |
| 217 | (use-local-map gds-mode-map)) |
| 218 | |
| 219 | (defun gds-display-stack-first-line () |
| 220 | (let ((flags (cadr gds-stack))) |
| 221 | (cond ((memq 'application flags) |
| 222 | (insert "Calling procedure:\n")) |
| 223 | ((memq 'evaluation flags) |
| 224 | (insert "Evaluating expression" |
| 225 | (cond ((stringp gds-tweaking) (format " (tweaked: %s)" |
| 226 | gds-tweaking)) |
| 227 | (gds-tweaking " (tweakable)") |
| 228 | (t "")) |
| 229 | ":\n")) |
| 230 | ((memq 'return flags) |
| 231 | (let ((value (cadr (memq 'return flags)))) |
| 232 | (while (string-match "\n" value) |
| 233 | (setq value (replace-match "\\n" nil t value))) |
| 234 | (insert "Return value" |
| 235 | (cond ((stringp gds-tweaking) (format " (tweaked: %s)" |
| 236 | gds-tweaking)) |
| 237 | (gds-tweaking " (tweakable)") |
| 238 | (t "")) |
| 239 | ": " value "\n"))) |
| 240 | ((memq 'error flags) |
| 241 | (let ((value (cadr (memq 'error flags)))) |
| 242 | (while (string-match "\n" value) |
| 243 | (setq value (replace-match "\\n" nil t value))) |
| 244 | (insert "Error: " value "\n"))) |
| 245 | (t |
| 246 | (insert "Stack: " (prin1-to-string flags) "\n"))))) |
| 247 | |
| 248 | (defun gds-display-stack () |
| 249 | (if gds-undisplay-timer |
| 250 | (cancel-timer gds-undisplay-timer)) |
| 251 | (setq gds-undisplay-timer nil) |
| 252 | ;(setq buffer-read-only nil) |
| 253 | (mapcar 'delete-overlay |
| 254 | (overlays-in (point-min) (point-max))) |
| 255 | (erase-buffer) |
| 256 | (gds-display-stack-first-line) |
| 257 | (let ((frames (car gds-stack))) |
| 258 | (while frames |
| 259 | (let ((frame-text (cadr (car frames))) |
| 260 | (frame-source (caddr (car frames)))) |
| 261 | (while (string-match "\n" frame-text) |
| 262 | (setq frame-text (replace-match "\\n" nil t frame-text))) |
| 263 | (insert " " |
| 264 | (if frame-source "s" " ") |
| 265 | frame-text |
| 266 | "\n")) |
| 267 | (setq frames (cdr frames)))) |
| 268 | ;(setq buffer-read-only t) |
| 269 | (gds-show-selected-frame)) |
| 270 | |
| 271 | (defun gds-tweak (expr) |
| 272 | (interactive "sTweak expression or return value: ") |
| 273 | (or gds-tweaking |
| 274 | (error "The current stack cannot be tweaked")) |
| 275 | (setq gds-tweaking |
| 276 | (if (> (length expr) 0) |
| 277 | expr |
| 278 | t)) |
| 279 | (save-excursion |
| 280 | (goto-char (point-min)) |
| 281 | (delete-region (point) (progn (forward-line 1) (point))) |
| 282 | (gds-display-stack-first-line))) |
| 283 | |
| 284 | (defvar gds-undisplay-timer nil) |
| 285 | (make-variable-buffer-local 'gds-undisplay-timer) |
| 286 | |
| 287 | (defvar gds-undisplay-wait 1) |
| 288 | |
| 289 | (defun gds-undisplay-buffer () |
| 290 | (if gds-undisplay-timer |
| 291 | (cancel-timer gds-undisplay-timer)) |
| 292 | (setq gds-undisplay-timer |
| 293 | (run-at-time gds-undisplay-wait |
| 294 | nil |
| 295 | (function kill-buffer) |
| 296 | (current-buffer)))) |
| 297 | |
| 298 | (defun gds-show-selected-frame () |
| 299 | (setq gds-local-var-cache nil) |
| 300 | (goto-char (point-min)) |
| 301 | (forward-line (+ gds-selected-frame-index 1)) |
| 302 | (delete-char 3) |
| 303 | (insert "=> ") |
| 304 | (beginning-of-line) |
| 305 | (gds-show-selected-frame-source (caddr (nth gds-selected-frame-index |
| 306 | (car gds-stack))))) |
| 307 | |
| 308 | (defun gds-unshow-selected-frame () |
| 309 | (if gds-frame-source-overlay |
| 310 | (move-overlay gds-frame-source-overlay 0 0)) |
| 311 | (save-excursion |
| 312 | (goto-char (point-min)) |
| 313 | (forward-line (+ gds-selected-frame-index 1)) |
| 314 | (delete-char 3) |
| 315 | (insert " "))) |
| 316 | |
| 317 | ;; Overlay used to highlight the source expression corresponding to |
| 318 | ;; the selected frame. |
| 319 | (defvar gds-frame-source-overlay nil) |
| 320 | |
| 321 | (defcustom gds-source-file-name-transforms nil |
| 322 | "Alist of regexps and substitutions for transforming Scheme source |
| 323 | file names. Each element in the alist is (REGEXP . SUBSTITUTION). |
| 324 | Each source file name in a Guile backtrace is compared against each |
| 325 | REGEXP in turn until the first one that matches, then `replace-match' |
| 326 | is called with SUBSTITUTION to transform that file name. |
| 327 | |
| 328 | This mechanism targets the situation where you are working on a Guile |
| 329 | application and want to install it, in /usr/local say, before each |
| 330 | test run. In this situation, even though Guile is reading your Scheme |
| 331 | files from /usr/local/share/guile, you probably want Emacs to pop up |
| 332 | the corresponding files from your working codebase instead. Therefore |
| 333 | you would add an element to this alist to transform |
| 334 | \"^/usr/local/share/guile/whatever\" to \"~/codebase/whatever\"." |
| 335 | :type '(alist :key-type regexp :value-type string) |
| 336 | :group 'gds) |
| 337 | |
| 338 | (defun gds-show-selected-frame-source (source) |
| 339 | ;; Highlight the frame source, if possible. |
| 340 | (if source |
| 341 | (let ((filename (car source)) |
| 342 | (client gds-client) |
| 343 | (transforms gds-source-file-name-transforms)) |
| 344 | ;; Apply possible transforms to the source file name. |
| 345 | (while transforms |
| 346 | (if (string-match (caar transforms) filename) |
| 347 | (let ((trans-fn (replace-match (cdar transforms) |
| 348 | t nil filename))) |
| 349 | (if (file-readable-p trans-fn) |
| 350 | (setq filename trans-fn |
| 351 | transforms nil)))) |
| 352 | (setq transforms (cdr transforms))) |
| 353 | ;; Try to map the (possibly transformed) source file to a |
| 354 | ;; buffer. |
| 355 | (let ((source-buffer (gds-source-file-name-to-buffer filename))) |
| 356 | (if source-buffer |
| 357 | (with-current-buffer source-buffer |
| 358 | (if gds-frame-source-overlay |
| 359 | nil |
| 360 | (setq gds-frame-source-overlay (make-overlay 0 0)) |
| 361 | (overlay-put gds-frame-source-overlay 'face 'highlight) |
| 362 | (overlay-put gds-frame-source-overlay |
| 363 | 'help-echo |
| 364 | (function gds-show-local-var))) |
| 365 | ;; Move to source line. Note that Guile line numbering |
| 366 | ;; is 0-based, while Emacs numbering is 1-based. |
| 367 | (save-restriction |
| 368 | (widen) |
| 369 | (goto-line (+ (cadr source) 1)) |
| 370 | (move-to-column (caddr source)) |
| 371 | (move-overlay gds-frame-source-overlay |
| 372 | (point) |
| 373 | (if (not (looking-at ")")) |
| 374 | (save-excursion (forward-sexp 1) (point)) |
| 375 | ;; It seems that the source |
| 376 | ;; coordinates for backquoted |
| 377 | ;; expressions are at the end of the |
| 378 | ;; sexp rather than the beginning... |
| 379 | (save-excursion (forward-char 1) |
| 380 | (backward-sexp 1) (point))) |
| 381 | (current-buffer))) |
| 382 | ;; Record that this source buffer has been touched by a |
| 383 | ;; GDS client process. |
| 384 | (setq gds-last-touched-by client)) |
| 385 | (message "Source for this frame cannot be shown: %s:%d:%d" |
| 386 | filename |
| 387 | (cadr source) |
| 388 | (caddr source))))) |
| 389 | (message "Source for this frame was not recorded")) |
| 390 | (gds-display-buffers)) |
| 391 | |
| 392 | (defvar gds-local-var-cache nil) |
| 393 | |
| 394 | (defun gds-show-local-var (window overlay position) |
| 395 | (let ((frame-index gds-selected-frame-index) |
| 396 | (client gds-client)) |
| 397 | (with-current-buffer (overlay-buffer overlay) |
| 398 | (save-excursion |
| 399 | (goto-char position) |
| 400 | (let ((gds-selected-frame-index frame-index) |
| 401 | (gds-client client) |
| 402 | (varname (thing-at-point 'symbol)) |
| 403 | (state (parse-partial-sexp (overlay-start overlay) (point)))) |
| 404 | (when (and gds-selected-frame-index |
| 405 | gds-client |
| 406 | varname |
| 407 | (not (or (nth 3 state) |
| 408 | (nth 4 state)))) |
| 409 | (set-text-properties 0 (length varname) nil varname) |
| 410 | (let ((existing (assoc varname gds-local-var-cache))) |
| 411 | (if existing |
| 412 | (cdr existing) |
| 413 | (gds-evaluate varname) |
| 414 | (setq gds-last-eval-result nil) |
| 415 | (while (not gds-last-eval-result) |
| 416 | (accept-process-output gds-debug-server)) |
| 417 | (setq gds-local-var-cache |
| 418 | (cons (cons varname gds-last-eval-result) |
| 419 | gds-local-var-cache)) |
| 420 | gds-last-eval-result)))))))) |
| 421 | |
| 422 | (defun gds-source-file-name-to-buffer (filename) |
| 423 | ;; See if filename begins with gds-emacs-buffer-port-name-prefix. |
| 424 | (if (string-match (concat "^" |
| 425 | (regexp-quote gds-emacs-buffer-port-name-prefix)) |
| 426 | filename) |
| 427 | ;; It does, so get the named buffer. |
| 428 | (get-buffer (substring filename (match-end 0))) |
| 429 | ;; It doesn't, so treat as a file name. |
| 430 | (and (file-readable-p filename) |
| 431 | (find-file-noselect filename)))) |
| 432 | |
| 433 | (defun gds-select-stack-frame (&optional frame-index) |
| 434 | (interactive) |
| 435 | (let ((new-frame-index (or frame-index |
| 436 | (gds-current-line-frame-index)))) |
| 437 | (or (and (>= new-frame-index 0) |
| 438 | (< new-frame-index (length (car gds-stack)))) |
| 439 | (error (if frame-index |
| 440 | "No more frames in this direction" |
| 441 | "No frame here"))) |
| 442 | (gds-unshow-selected-frame) |
| 443 | (setq gds-selected-frame-index new-frame-index) |
| 444 | (gds-show-selected-frame))) |
| 445 | |
| 446 | (defun gds-up () |
| 447 | (interactive) |
| 448 | (gds-select-stack-frame (- gds-selected-frame-index 1))) |
| 449 | |
| 450 | (defun gds-down () |
| 451 | (interactive) |
| 452 | (gds-select-stack-frame (+ gds-selected-frame-index 1))) |
| 453 | |
| 454 | (defun gds-current-line-frame-index () |
| 455 | (- (count-lines (point-min) |
| 456 | (save-excursion |
| 457 | (beginning-of-line) |
| 458 | (point))) |
| 459 | 1)) |
| 460 | |
| 461 | (defun gds-display-buffers () |
| 462 | (let ((buf (current-buffer))) |
| 463 | ;; If there's already a window showing the buffer, use it. |
| 464 | (let ((window (get-buffer-window buf t))) |
| 465 | (if window |
| 466 | (progn |
| 467 | (make-frame-visible (window-frame window)) |
| 468 | (select-window window)) |
| 469 | (switch-to-buffer buf) |
| 470 | (setq window (get-buffer-window buf t)))) |
| 471 | ;; If there is an associated source buffer, display it as well. |
| 472 | (if (and gds-frame-source-overlay |
| 473 | (overlay-end gds-frame-source-overlay) |
| 474 | (> (overlay-end gds-frame-source-overlay) 1)) |
| 475 | (progn |
| 476 | (delete-other-windows) |
| 477 | (let ((window (display-buffer |
| 478 | (overlay-buffer gds-frame-source-overlay)))) |
| 479 | (set-window-point window |
| 480 | (overlay-start gds-frame-source-overlay))))))) |
| 481 | |
| 482 | |
| 483 | ;;;; Debugger commands. |
| 484 | |
| 485 | ;; Typically but not necessarily used from the `stack' view. |
| 486 | |
| 487 | (defun gds-send-tweaking () |
| 488 | (if (stringp gds-tweaking) |
| 489 | (gds-send (format "tweak %S" gds-tweaking) gds-client))) |
| 490 | |
| 491 | (defun gds-go () |
| 492 | (interactive) |
| 493 | (gds-send-tweaking) |
| 494 | (gds-send "continue" gds-client) |
| 495 | (gds-unshow-selected-frame) |
| 496 | (gds-undisplay-buffer)) |
| 497 | |
| 498 | (defvar gds-last-eval-result t) |
| 499 | |
| 500 | (defun gds-evaluate (expr) |
| 501 | (interactive "sEvaluate variable or expression: ") |
| 502 | (gds-send (format "evaluate %d %s" |
| 503 | gds-selected-frame-index |
| 504 | (prin1-to-string expr)) |
| 505 | gds-client)) |
| 506 | |
| 507 | (defun gds-frame-info () |
| 508 | (interactive) |
| 509 | (gds-send (format "info-frame %d" gds-selected-frame-index) |
| 510 | gds-client)) |
| 511 | |
| 512 | (defun gds-frame-args () |
| 513 | (interactive) |
| 514 | (gds-send (format "info-args %d" gds-selected-frame-index) |
| 515 | gds-client)) |
| 516 | |
| 517 | (defun gds-proc-source () |
| 518 | (interactive) |
| 519 | (gds-send (format "proc-source %d" gds-selected-frame-index) |
| 520 | gds-client)) |
| 521 | |
| 522 | (defun gds-traps-here () |
| 523 | (interactive) |
| 524 | (gds-send "traps-here" gds-client)) |
| 525 | |
| 526 | (defun gds-step-into () |
| 527 | (interactive) |
| 528 | (gds-send-tweaking) |
| 529 | (gds-send (format "step-into %d" gds-selected-frame-index) |
| 530 | gds-client) |
| 531 | (gds-unshow-selected-frame) |
| 532 | (gds-undisplay-buffer)) |
| 533 | |
| 534 | (defun gds-step-over () |
| 535 | (interactive) |
| 536 | (gds-send-tweaking) |
| 537 | (gds-send (format "step-over %d" gds-selected-frame-index) |
| 538 | gds-client) |
| 539 | (gds-unshow-selected-frame) |
| 540 | (gds-undisplay-buffer)) |
| 541 | |
| 542 | (defun gds-step-file () |
| 543 | (interactive) |
| 544 | (gds-send-tweaking) |
| 545 | (gds-send (format "step-file %d" gds-selected-frame-index) |
| 546 | gds-client) |
| 547 | (gds-unshow-selected-frame) |
| 548 | (gds-undisplay-buffer)) |
| 549 | |
| 550 | |
| 551 | |
| 552 | |
| 553 | ;;;; Guile Interaction mode keymap and menu items. |
| 554 | |
| 555 | (defvar gds-mode-map (make-sparse-keymap)) |
| 556 | (define-key gds-mode-map "c" (function gds-go)) |
| 557 | (define-key gds-mode-map "g" (function gds-go)) |
| 558 | (define-key gds-mode-map "q" (function gds-go)) |
| 559 | (define-key gds-mode-map "e" (function gds-evaluate)) |
| 560 | (define-key gds-mode-map "I" (function gds-frame-info)) |
| 561 | (define-key gds-mode-map "A" (function gds-frame-args)) |
| 562 | (define-key gds-mode-map "S" (function gds-proc-source)) |
| 563 | (define-key gds-mode-map "T" (function gds-traps-here)) |
| 564 | (define-key gds-mode-map "\C-m" (function gds-select-stack-frame)) |
| 565 | (define-key gds-mode-map "u" (function gds-up)) |
| 566 | (define-key gds-mode-map [up] (function gds-up)) |
| 567 | (define-key gds-mode-map "\C-p" (function gds-up)) |
| 568 | (define-key gds-mode-map "d" (function gds-down)) |
| 569 | (define-key gds-mode-map [down] (function gds-down)) |
| 570 | (define-key gds-mode-map "\C-n" (function gds-down)) |
| 571 | (define-key gds-mode-map " " (function gds-step-file)) |
| 572 | (define-key gds-mode-map "i" (function gds-step-into)) |
| 573 | (define-key gds-mode-map "o" (function gds-step-over)) |
| 574 | (define-key gds-mode-map "t" (function gds-tweak)) |
| 575 | |
| 576 | |
| 577 | (defvar gds-menu nil |
| 578 | "Global menu for GDS commands.") |
| 579 | (if nil;gds-menu |
| 580 | nil |
| 581 | (setq gds-menu (make-sparse-keymap "Guile-Debug")) |
| 582 | (define-key gds-menu [traps-here] |
| 583 | '(menu-item "Show Traps Here" gds-traps-here)) |
| 584 | (define-key gds-menu [proc-source] |
| 585 | '(menu-item "Show Procedure Source" gds-proc-source)) |
| 586 | (define-key gds-menu [frame-args] |
| 587 | '(menu-item "Show Frame Args" gds-frame-args)) |
| 588 | (define-key gds-menu [frame-info] |
| 589 | '(menu-item "Show Frame Info" gds-frame-info)) |
| 590 | (define-key gds-menu [separator-1] |
| 591 | '("--")) |
| 592 | (define-key gds-menu [evaluate] |
| 593 | '(menu-item "Evaluate..." gds-evaluate)) |
| 594 | (define-key gds-menu [separator-2] |
| 595 | '("--")) |
| 596 | (define-key gds-menu [down] |
| 597 | '(menu-item "Move Down A Frame" gds-down)) |
| 598 | (define-key gds-menu [up] |
| 599 | '(menu-item "Move Up A Frame" gds-up)) |
| 600 | (define-key gds-menu [separator-3] |
| 601 | '("--")) |
| 602 | (define-key gds-menu [step-over] |
| 603 | '(menu-item "Step Over Current Expression" gds-step-over)) |
| 604 | (define-key gds-menu [step-into] |
| 605 | '(menu-item "Step Into Current Expression" gds-step-into)) |
| 606 | (define-key gds-menu [step-file] |
| 607 | '(menu-item "Step Through Current Source File" gds-step-file)) |
| 608 | (define-key gds-menu [separator-4] |
| 609 | '("--")) |
| 610 | (define-key gds-menu [go] |
| 611 | '(menu-item "Go [continue execution]" gds-go)) |
| 612 | (define-key gds-mode-map [menu-bar gds-debug] |
| 613 | (cons "Guile-Debug" gds-menu))) |
| 614 | |
| 615 | |
| 616 | ;;;; Autostarting the GDS server. |
| 617 | |
| 618 | (defcustom gds-autorun-debug-server t |
| 619 | "Whether to automatically run the GDS server when `gds.el' is loaded." |
| 620 | :type 'boolean |
| 621 | :group 'gds) |
| 622 | |
| 623 | (defcustom gds-server-socket-type 'tcp |
| 624 | "This option is now obsolete and has no effect." |
| 625 | :group 'gds |
| 626 | :type '(choice (const :tag "TCP" tcp) |
| 627 | (const :tag "Unix" unix))) |
| 628 | |
| 629 | ;;;; If requested, autostart the server after loading. |
| 630 | |
| 631 | (if (and gds-autorun-debug-server |
| 632 | (not gds-debug-server)) |
| 633 | (gds-run-debug-server)) |
| 634 | |
| 635 | ;;;; The end! |
| 636 | |
| 637 | (provide 'gds) |
| 638 | |
| 639 | ;;; gds.el ends here. |