diff options
Diffstat (limited to 'lisp/progmodes/gdb-mi.el')
| -rw-r--r-- | lisp/progmodes/gdb-mi.el | 121 |
1 files changed, 86 insertions, 35 deletions
diff --git a/lisp/progmodes/gdb-mi.el b/lisp/progmodes/gdb-mi.el index 497d2440cfd..1be74ff544b 100644 --- a/lisp/progmodes/gdb-mi.el +++ b/lisp/progmodes/gdb-mi.el @@ -375,9 +375,8 @@ Emacs always switches to the thread which caused the stop." :version "23.2" :link '(info-link "(gdb)GDB/MI Async Records")) -(defcustom gdb-stopped-hooks nil - "This variable holds a list of functions to be called whenever -GDB stops. +(defcustom gdb-stopped-functions nil + "List of functions called whenever GDB stops. Each function takes one argument, a parsed MI response, which contains fields of corresponding MI *stopped async record: @@ -818,6 +817,8 @@ detailed description of this mode. nil 'local) (local-set-key "\C-i" 'completion-at-point) + (local-set-key [remap comint-delchar-or-maybe-eof] 'gdb-delchar-or-quit) + (setq gdb-first-prompt t) (setq gud-running nil) @@ -859,15 +860,8 @@ detailed description of this mode. (gdb-get-buffer-create 'gdb-inferior-io) (gdb-clear-inferior-io) - (set-process-filter (get-process "gdb-inferior") 'gdb-inferior-filter) - (gdb-input - ;; Needs GDB 6.4 onwards - (concat "-inferior-tty-set " - (or - ;; The process can run on a remote host. - (process-get (get-process "gdb-inferior") 'remote-tty) - (process-tty-name (get-process "gdb-inferior")))) - 'ignore) + (gdb-inferior-io--init-proc (get-process "gdb-inferior")) + (if (eq window-system 'w32) (gdb-input "-gdb-set new-console off" 'ignore)) (gdb-input "-gdb-set height 0" 'ignore) @@ -905,6 +899,25 @@ detailed description of this mode. (setq gdb-non-stop nil) (gdb-input "-gdb-set non-stop 0" 'ignore))) +(defun gdb-delchar-or-quit (arg) + "Delete ARG characters or send a quit command to GDB. +Send a quit only if point is at the end of the buffer, there is +no input, and GDB is waiting for input." + (interactive "p") + (unless (and (eq (current-buffer) gud-comint-buffer) + (eq gud-minor-mode 'gdbmi)) + (error "Not in a GDB-MI buffer")) + (let ((proc (get-buffer-process gud-comint-buffer))) + (if (and (eobp) proc (process-live-p proc) + (not gud-running) + (= (point) (marker-position (process-mark proc)))) + ;; Sending an EOF does not work with GDB-MI; submit an + ;; explicit quit command. + (progn + (insert "quit") + (comint-send-input t t)) + (delete-char arg)))) + (defvar gdb-define-alist nil "Alist of #define directives for GUD tooltips.") (defun gdb-create-define-alist () @@ -929,7 +942,6 @@ detailed description of this mode. (push (cons name define) gdb-define-alist)))) (declare-function tooltip-show "tooltip" (text &optional use-echo-area)) -(defvar tooltip-use-echo-area) (defun gdb-tooltip-print (expr) (with-current-buffer (gdb-get-buffer 'gdb-partial-output-buffer) @@ -937,7 +949,7 @@ detailed description of this mode. (if (re-search-forward ".*value=\\(\".*\"\\)" nil t) (tooltip-show (concat expr " = " (read (match-string 1))) - (or gud-tooltip-echo-area tooltip-use-echo-area + (or gud-tooltip-echo-area (not (display-graphic-p))))))) ;; If expr is a macro for a function don't print because of possible dangerous @@ -1510,6 +1522,31 @@ DOC is an optional documentation string." (gdb-display-buffer (gdb-get-buffer-create 'gdb-inferior-io) t)) +(defun gdb-inferior-io--init-proc (proc) + ;; Set up inferior I/O. Needs GDB 6.4 onwards. + (set-process-filter proc 'gdb-inferior-filter) + (set-process-sentinel proc 'gdb-inferior-io-sentinel) + (gdb-input + (concat "-inferior-tty-set " + ;; The process can run on a remote host. + (or (process-get proc 'remote-tty) + (process-tty-name proc))) + 'ignore)) + +(defun gdb-inferior-io-sentinel (proc str) + (when (eq (process-status proc) 'failed) + ;; When the debugged process exits, Emacs gets an EIO error on + ;; read from the pty, and stops listening to it. If the gdb + ;; process is still running, remove the pty, make a new one, and + ;; pass it to gdb. + (let ((gdb-proc (get-buffer-process gud-comint-buffer)) + (io-buffer (process-buffer proc))) + (when (and gdb-proc (process-live-p gdb-proc) + (buffer-live-p io-buffer)) + ;; `comint-exec' deletes the original process as a side effect. + (comint-exec io-buffer "gdb-inferior" nil nil nil) + (gdb-inferior-io--init-proc (get-buffer-process io-buffer)))))) + (defconst gdb-frame-parameters '((height . 14) (width . 80) (unsplittable . t) @@ -1746,24 +1783,27 @@ If `gdb-thread-number' is nil, just wrap NAME in asterisks." (setq gdb-output-sink 'user) (setq gdb-pending-triggers nil)) -(defun gdb-update () - "Update buffers showing status of debug session." +(defun gdb-update (&optional no-proc) + "Update buffers showing status of debug session. +If NO-PROC is non-nil, do not try to contact the GDB process." (when gdb-first-prompt (gdb-force-mode-line-update (propertize "initializing..." 'face font-lock-variable-name-face)) (gdb-init-1) (setq gdb-first-prompt nil)) - (gdb-get-main-selected-frame) + (unless no-proc + (gdb-get-main-selected-frame)) + ;; We may need to update gdb-threads-list so we can use (gdb-get-buffer-create 'gdb-threads-buffer) ;; gdb-break-list is maintained in breakpoints handler (gdb-get-buffer-create 'gdb-breakpoints-buffer) - (gdb-emit-signal gdb-buf-publisher 'update) + (unless no-proc + (gdb-emit-signal gdb-buf-publisher 'update)) (gdb-get-changed-registers) - (when (and (boundp 'speedbar-frame) (frame-live-p speedbar-frame)) (dolist (var gdb-var-list) (setcar (nthcdr 5 var) nil)) @@ -2045,7 +2085,7 @@ current thread and update GDB buffers." ;; In all-stop this updates gud-running properly as well. (gdb-update) (setq gdb-first-done-or-error nil)) - (run-hook-with-args 'gdb-stopped-hooks result))) + (run-hook-with-args 'gdb-stopped-functions result))) ;; Remove the trimmings from log stream containing debugging messages ;; being produced by GDB's internals, use warning face and send to GUD @@ -2085,23 +2125,28 @@ current thread and update GDB buffers." (setq gdb-output-sink 'emacs)) (gdb-clear-partial-output) - (when gdb-first-done-or-error - (unless (or token-number gud-running) - (setq gdb-filter-output (concat gdb-filter-output gdb-prompt-name))) - (gdb-update) - (setq gdb-first-done-or-error nil)) - (setq gdb-filter-output - (gdb-concat-output gdb-filter-output output-field)) + ;; The process may already be dead (e.g. C-d at the gdb prompt). + (let* ((proc (get-buffer-process gud-comint-buffer)) + (no-proc (or (null proc) + (memq (process-status proc) '(exit signal))))) - (if token-number - (progn - (with-current-buffer - (gdb-get-buffer-create 'gdb-partial-output-buffer) - (funcall - (cdr (assoc (string-to-number token-number) gdb-handler-alist)))) - (setq gdb-handler-alist - (assq-delete-all token-number gdb-handler-alist))))) + (when gdb-first-done-or-error + (unless (or token-number gud-running no-proc) + (setq gdb-filter-output (concat gdb-filter-output gdb-prompt-name))) + (gdb-update no-proc) + (setq gdb-first-done-or-error nil)) + + (setq gdb-filter-output + (gdb-concat-output gdb-filter-output output-field)) + + (when token-number + (with-current-buffer + (gdb-get-buffer-create 'gdb-partial-output-buffer) + (funcall + (cdr (assoc (string-to-number token-number) gdb-handler-alist)))) + (setq gdb-handler-alist + (assq-delete-all token-number gdb-handler-alist))))) (defun gdb-concat-output (so-far new) (cond @@ -4105,9 +4150,15 @@ This arrangement depends on the value of `gdb-many-windows'." (gud-find-file gdb-main-file))) (setq gdb-source-window win))))) +;; Called from `gud-sentinel' in gud.el: (defun gdb-reset () "Exit a debugging session cleanly. Kills the gdb buffers, and resets variables and the source buffers." + ;; The gdb-inferior buffer has a pty hooked up to the main gdb + ;; process. This pty must be deleted explicitly. + (let ((pty (get-process "gdb-inferior"))) + (if pty (delete-process pty))) + ;; Find gdb-mi buffers and kill them. (dolist (buffer (buffer-list)) (unless (eq buffer gud-comint-buffer) (with-current-buffer buffer |