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authorEric S. Raymond <esr@snark.thyrsus.com>1992-07-24 21:00:20 +0000
committerEric S. Raymond <esr@snark.thyrsus.com>1992-07-24 21:00:20 +0000
commit75c496855aac53c9aec25e8e0fadfec0a8055ec0 (patch)
tree7f232187e7318db902e6808897caefa6eedb1647 /lisp/gud.el
parentb39d462a5ad1f6012f3eea5f9cd8a71cadb638e1 (diff)
downloademacs-75c496855aac53c9aec25e8e0fadfec0a8055ec0.tar.gz
*** empty log message ***
Diffstat (limited to 'lisp/gud.el')
-rw-r--r--lisp/gud.el139
1 files changed, 81 insertions, 58 deletions
diff --git a/lisp/gud.el b/lisp/gud.el
index 0a6558d35bc..4451c0b7bc8 100644
--- a/lisp/gud.el
+++ b/lisp/gud.el
@@ -3,7 +3,7 @@
;; Author: Eric S. Raymond <eric@snark.thyrsus.com>
;; Keywords: unix, tools
-;; @(#)gud.el 1.18
+;; %W%
;; Copyright (C) 1992 Free Software Foundation, Inc.
@@ -11,7 +11,7 @@
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 1, or (at your option)
+;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
@@ -26,7 +26,7 @@
;;; Commentary:
;; The ancestral gdb.el was by W. Schelter <wfs@rascal.ics.utexas.edu>
-;; It was later ewritten by rms. Some ideas were due to Masanobu.
+;; It was later rewritten by rms. Some ideas were due to Masanobu.
;; Grand Unification (sdb/dbx support) by Eric S. Raymond <esr@thyrsus.com>
;; The overloading code was then rewritten by Barry Warsaw <bwarsaw@cen.com>,
;; who also hacked the mode to use comint.el.
@@ -51,15 +51,10 @@
(defun gud-overload-functions (gud-overload-alist)
"Overload functions defined in GUD-OVERLOAD-ALIST.
This association list has elements of the form
-
(ORIGINAL-FUNCTION-NAME OVERLOAD-FUNCTION)"
- (let ((binding nil)
- (overloads gud-overload-alist))
- (while overloads
- (setq binding (car overloads)
- overloads (cdr overloads))
- (fset (car binding) (symbol-function (car (cdr binding))))
- )))
+ (mapcar
+ (function (lambda (p) (fset (car p) (symbol-function (cdr p)))))
+ gud-overload-alist))
(defun gud-debugger-startup (f d)
(error "GUD not properly entered."))
@@ -94,9 +89,9 @@ This association list has elements of the form
;;
;;<name>
;; comint-prompt-regexp
-;; gud-<name>-startup-command
+;; gud-<name>-debugger-startup
;; gud-<name>-marker-filter
-;; gud-<name>-file-visit
+;; gud-<name>-visit-file
;; gud-<name>-set-break
;;
;; The job of the startup-command method is to fire up a copy of the debugger,
@@ -152,15 +147,16 @@ This association list has elements of the form
The directory containing FILE becomes the initial working directory
and source-file directory for your debugger."
(interactive "fRun gdb on file: ")
- (gud-overload-functions '((gud-debugger-startup gud-gdb-debugger-startup)
- (gud-marker-filter gud-gdb-marker-filter)
- (gud-visit-file gud-gdb-visit-file)
- (gud-set-break gud-gdb-set-break)))
+ (gud-overload-functions '((gud-debugger-startup . gud-gdb-debugger-startup)
+ (gud-marker-filter . gud-gdb-marker-filter)
+ (gud-visit-file . gud-gdb-visit-file)
+ (gud-set-break . gud-gdb-set-break)))
(gud-def gud-step "step" "\C-cs" "Step one source line with display")
(gud-def gud-stepi "stepi" "\C-ci" "Step one instruction with display")
(gud-def gud-next "next" "\C-cn" "Step one line (skip functions)")
(gud-def gud-cont "cont" "\C-c\C-c" "Continue with display")
+ (gud-def gud-cont "cont" "\C-cc" "Continue with display")
(gud-def gud-finish "finish" "\C-c\C-f" "Finish executing current function")
(gud-def gud-up "up" "\C-c<" "Up N stack frames (numeric arg)")
@@ -190,7 +186,7 @@ and source-file directory for your debugger."
string)
(defun gud-sdb-visit-file (f)
- (find-tag-noselect f t))
+ (find-tag-noselect f))
(defun gud-sdb-set-break (proc f n)
(gud-queue-send (format "e %s" f) (format "%d b" n)))
@@ -203,15 +199,16 @@ and source-file directory for your debugger."
(if (not (and (boundp 'tags-file-name) (file-exists-p tags-file-name)))
(error "The sdb support requires a valid tags table to work."))
(interactive "fRun sdb on file: ")
- (gud-overload-functions '((gud-debugger-startup gud-sdb-debugger-startup)
- (gud-marker-filter gud-sdb-marker-filter)
- (gud-visit-file gud-sdb-visit-file)
- (gud-set-break gud-sdb-set-break)))
+ (gud-overload-functions '((gud-debugger-startup . gud-sdb-debugger-startup)
+ (gud-marker-filter . gud-sdb-marker-filter)
+ (gud-visit-file . gud-sdb-visit-file)
+ (gud-set-break . gud-sdb-set-break)))
- (gud-def gud-step "s" "\C-cs" "Step one source line with display")
- (gud-def gud-stepi "i" "\C-ci" "Step one instruction with display")
- (gud-def gud-next "S" "\C-cn" "Step one source line (skip functions)")
- (gud-def gud-cont "c" "\C-cc" "Continue with display")
+ (gud-def gud-step "s" "\C-cs" "Step one source line with display")
+ (gud-def gud-stepi "i" "\C-ci" "Step one instruction with display")
+ (gud-def gud-next "S" "\C-cn" "Step one source line (skip functions)")
+ (gud-def gud-cont "c" "\C-c\C-c" "Continue with display")
+ (gud-def gud-cont "c" "\C-cc" "Continue with display")
(gud-common-init path)
@@ -247,10 +244,19 @@ and source-file directory for your debugger."
The directory containing FILE becomes the initial working directory
and source-file directory for your debugger."
(interactive "fRun dbx on file: ")
- (gud-overload-functions '((gud-debugger-startup gud-dbx-debugger-startup)
- (gud-marker-filter gud-dbx-marker-filter)
- (gud-visit-file gud-dbx-visit-file)
- (gud-set-break gud-dbx-set-break)))
+ (gud-overload-functions '((gud-debugger-startup . gud-dbx-debugger-startup)
+ (gud-marker-filter . gud-dbx-marker-filter)
+ (gud-visit-file . gud-dbx-visit-file)
+ (gud-set-break . gud-dbx-set-break)))
+
+ (gud-def gud-step "step" "\C-cs" "Step one source line with display")
+ (gud-def gud-stepi "stepi" "\C-ci" "Step one instruction with display")
+ (gud-def gud-next "next" "\C-cn" "Step one line (skip functions)")
+ (gud-def gud-cont "cont" "\C-c\C-c" "Continue with display")
+ (gud-def gud-cont "cont" "\C-c" "Continue with display")
+
+ (gud-def gud-up "up" "\C-c<" "Up N stack frames (numeric arg)")
+ (gud-def gud-down "down" "\C-c>" "Down N stack frames (numeric arg)")
(gud-common-init path)
(setq comint-prompt-regexp "^[^)]*dbx) *")
@@ -265,44 +271,68 @@ and source-file directory for your debugger."
(defvar gud-mode-map nil
"Keymap for gud-mode.")
+(defvar gud-commands nil
+ "List of strings or functions used by send-gud-command.
+It is for customization by you.")
+
(defvar gud-command-queue nil)
(if gud-mode-map
nil
(setq gud-mode-map (copy-keymap comint-mode-map))
- (define-key gud-mode-map "\C-l" 'gud-refresh))
+ (define-key gud-mode-map "\C-cl" 'gud-refresh))
+;; Global mappings --- we'll invoke these from a source buffer.
(define-key ctl-x-map " " 'gud-break)
(define-key ctl-x-map "&" 'send-gud-command)
(defun gud-mode ()
"Major mode for interacting with an inferior debugger process.
-The following commands are available:
+
+ You start it up with one of the commands M-x gdb, M-x sdb, or
+M-x dbx. Each entry point finishes by executing a hook; gdb-mode-hook,
+sdb-mode-hook or dbx-mode-hook respectively.
+
+After startup, the following commands are available:
\\{gud-mode-map}
-\\[gud-display-frame] displays in the other window
-the last line referred to in the gud buffer.
+\\[gud-refresh] displays in the other window the last line referred to
+in the gud buffer.
-\\[gud-step],\\[gud-next], and \\[gud-nexti] in the gud window,
+\\[gud-step], \\[gud-next], and \\[gud-stepi] in the gud window,
do a step-one-line, step-one-line (not entering function calls), and
step-one-instruction and then update the other window
with the current file and position. \\[gud-cont] continues
execution.
-If you are in a source file, you may set a breakpoint at the current
-line in the current source file by doing \\[gud-break].
+The above commands are common to all supported debuggers. If you are
+using gdb or dbx, the following additional commands will be available:
+
+\\[gud-up] pops up through an enclosing stack frame. \\[gud-down] drops
+back down through one.
+
+If you are using gdb, \\[gdb-finish] runs execution to the return from
+the current function and stops.
+
+These functions repeat themselves the appropriate number of times if you give a
+prefix argument.
+
+If you are in a source file, you may do the following:
+
+Set a breakpoint at the current line by doing \\[gud-break]. This causes
+an appropriate set-break to be send to the debugger; of course, if the file
+you're visiting doesn't correspond to any code in the executable this will
+have no effect or raise an error.
-Commands:
-Many commands are inherited from comint mode.
-Additionally we have:
+Execute a user-defined command at point with \\[send-gud-command]; the
+prefix argument is taken as an index into the list of strings gud-commands.
+A %s in a gud-commands string is substituted with a number or address picked
+up from point.
-\\[gud-display-frame] display frames file in other window
-\\[gud-step] advance one line in program
-\\[gud-next] advance one line in program (skip over calls).
-\\[send-gud-command] used for special printing of an arg at the current point.
-C-x SPACE sets break point at current line."
+Other commands for interacting with the debugger process are inherited from
+comint mode, which see."
(interactive)
(comint-mode)
; (kill-all-local-variables)
@@ -513,20 +543,13 @@ Obeying it means displaying in another window the specified file and line."
(buffer-substring begin (dot)))))))
-(defvar gud-commands nil
- "List of strings or functions used by send-gud-command.
-It is for customization by you.")
-
(defun send-gud-command (arg)
-
- "This command reads the number where the cursor is positioned. It
- then inserts this ADDR at the end of the debugger buffer. A numeric arg
- selects the ARG'th member COMMAND of the list gud-print-command. If
- COMMAND is a string, (format COMMAND ADDR) is inserted, otherwise
- (funcall COMMAND ADDR) is inserted. eg. \"p (rtx)%s->fld[0].rtint\"
- is a possible string to be a member of gud-commands. "
-
-
+ "This command reads the number where the cursor is positioned. A numeric arg
+selects the ARG'th member COMMAND of the list gud-commands. If COMMAND is a
+string, (format COMMAND ADDR) is inserted at the end of the debugger buffer,
+otherwise (funcall COMMAND ADDR) is inserted.
+ For example, \"p (rtx)%s->fld[0].rtint\" is a possible string to be a
+member of gud-commands."
(interactive "P")
(let (comm addr)
(if arg (setq comm (nth arg gud-commands)))