mirror of
https://git.savannah.gnu.org/git/emacs.git
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377f175fe2
(gdb-window-height, gdb-window-width, gdb-display-number-end): Customize the dimensions of frames for displayed expressions. (gdb-error-begin): Comment out because it is not used because of bug/quirk in annotations. (gdb-reset): Use with-current-buffer.
2257 lines
73 KiB
EmacsLisp
2257 lines
73 KiB
EmacsLisp
;;; gdb-ui.el --- User Interface for running GDB
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;; Author: Nick Roberts <nick@nick.uklinux.net>
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;; Maintainer: FSF
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;; Keywords: unix, tools
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;; Copyright (C) 2002 Free Software Foundation, Inc.
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; This mode acts as a graphical user interface to GDB. You can interact with
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;; GDB through the GUD buffer in the usual way, but there are also further
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;; buffers which control the execution and describe the state of your program.
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;; It separates the input/output of your program from that of GDB and displays
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;; expressions and their current values in their own buffers. It also uses
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;; features of Emacs 21 such as the display margin for breakpoints, and the
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;; toolbar (see the GDB User Interface section in the Emacs info manual).
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;; Start the debugger with M-x gdba.
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;; This file is based on gdba.el from GDB 5.0 written by Tom Lord and Jim
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;; Kingdon and uses GDB's annotation interface. You don't need to know about
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;; annotations to use this mode as a debugger, but if you are interested
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;; developing the mode itself, then see the Annotations section in the GDB
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;; info manual.
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;;
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;; Known Bugs: Does not auto-display arrays of structures or structures
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;; containing arrays.
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;;; Code:
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(require 'gud)
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(defcustom gdb-window-height 20
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"*Number of lines in a frame for a displayed expression in GDB-UI."
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:type 'integer
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:group 'gud)
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(defcustom gdb-window-width 30
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"Width of a frame for a displayed expression in GDB-UI."
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:type 'integer
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:group 'gud)
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(defvar gdb-main-or-pc nil "Initialisation for Assembler buffer.")
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(defvar gdb-current-address nil)
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(defvar gdb-display-in-progress nil)
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(defvar gdb-dive nil)
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(defvar gdb-buffer-type nil)
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(defvar gdb-variables '()
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"A list of variables that are local to the GUD buffer.")
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;;;###autoload
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(defun gdba (command-line)
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"Run gdb on program FILE in buffer *gud-FILE*.
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The directory containing FILE becomes the initial working directory
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and source-file directory for your debugger.
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If `gdb-many-windows' is nil (the default value) then gdb starts with
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just two windows : the GUD and the source buffer. If it is t the
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following layout will appear (keybindings given in relevant buffer) :
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---------------------------------------------------------------------
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GDB Toolbar
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---------------------------------------------------------------------
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GUD buffer (I/O of GDB) | Locals buffer
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---------------------------------------------------------------------
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Source buffer | Input/Output (of debuggee) buffer
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| (comint-mode)
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---------------------------------------------------------------------
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Stack buffer | Breakpoints buffer
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RET gdb-frames-select | SPC gdb-toggle-breakpoint
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| RET gdb-goto-breakpoint
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| d gdb-delete-breakpoint
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---------------------------------------------------------------------
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All the buffers share the toolbar and source should always display in the same
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window e.g after typing g on a breakpoint in the breakpoints buffer. Breakpoint
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icons are displayed both by setting a break with gud-break and by typing break
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in the GUD buffer.
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This works best (depending on the size of your monitor) using most of the
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screen.
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Displayed expressions appear in separate frames. Arrays may be displayed
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as slices and visualised using the graph program from plotutils if installed.
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Pointers in structures may be followed in a tree-like fashion.
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The following interactive lisp functions help control operation :
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`gdb-many-windows' - Toggle the number of windows gdb uses.
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`gdb-restore-windows' - To restore the window layout.
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`gdb-quit' - To delete (most) of the buffers used by GDB-UI and
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reset variables."
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;;
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(interactive (list (gud-query-cmdline 'gdba)))
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;;
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;; Let's start with a basic gud-gdb buffer and then modify it a bit.
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(gdb command-line)
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;;
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(set (make-local-variable 'gud-minor-mode) 'gdba)
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(set (make-local-variable 'gud-marker-filter) 'gud-gdba-marker-filter)
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;;
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(gud-def gud-break (if (not (string-equal mode-name "Assembler"))
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(gud-call "break %f:%l" arg)
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(save-excursion
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(beginning-of-line)
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(forward-char 2)
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(gud-call "break *%a" arg)))
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"\C-b" "Set breakpoint at current line or address.")
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;;
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(gud-def gud-remove (if (not (string-equal mode-name "Assembler"))
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(gud-call "clear %f:%l" arg)
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(save-excursion
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(beginning-of-line)
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(forward-char 2)
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(gud-call "clear *%a" arg)))
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"\C-d" "Remove breakpoint at current line or address.")
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;;
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(setq comint-input-sender 'gdb-send)
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;;
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;; (re-)initialise
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(setq gdb-main-or-pc "main")
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(setq gdb-current-address nil)
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(setq gdb-display-in-progress nil)
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(setq gdb-dive nil)
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;;
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(mapc 'make-local-variable gdb-variables)
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(setq gdb-buffer-type 'gdba)
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;;
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(gdb-clear-inferior-io)
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;;
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(gdb-enqueue-input (list "set height 0\n" 'ignore))
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;; find source file and compilation directory here
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(gdb-enqueue-input (list "server list\n" 'ignore))
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(gdb-enqueue-input (list "server info source\n"
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'gdb-source-info))
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;;
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(run-hooks 'gdba-mode-hook))
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(defun gud-display ()
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"Auto-display (possibly dereferenced) C expression at point."
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(interactive)
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(save-excursion
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(let ((expr (gud-find-c-expr)))
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(gdb-enqueue-input
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(list (concat "server ptype " expr "\n")
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`(lambda () (gud-display1 ,expr)))))))
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(defun gud-display1 (expr)
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(goto-char (point-min))
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(if (looking-at "No symbol")
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(progn
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(gdb-set-output-sink 'user)
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(gud-call (concat "server ptype " expr)))
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(goto-char (- (point-max) 1))
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(if (equal (char-before) (string-to-char "\*"))
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(gdb-enqueue-input
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(list (concat "server display* " expr "\n") 'ignore))
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(gdb-enqueue-input
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(list (concat "server display " expr "\n") 'ignore)))))
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; this would messy because these bindings don't work with M-x gdb
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; (define-key global-map "\C-x\C-a\C-a" 'gud-display)
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; (define-key gud-minor-mode-map "\C-c\C-a" 'gud-display)
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;; ======================================================================
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;;
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;; In this world, there are gdb variables (of unspecified
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;; representation) and buffers associated with those objects.
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;; The list of variables is built up by the expansions of
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;; def-gdb-variable
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(defmacro def-gdb-var (root-symbol &optional default doc)
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(let* ((root (symbol-name root-symbol))
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(accessor (intern (concat "gdb-get-" root)))
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(setter (intern (concat "gdb-set-" root)))
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(name (intern (concat "gdb-" root))))
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`(progn
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(defvar ,name ,default ,doc)
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(if (not (memq ',name gdb-variables))
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(push ',name gdb-variables))
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(defun ,accessor ()
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(buffer-local-value ',name gud-comint-buffer))
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(defun ,setter (val)
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(with-current-buffer gud-comint-buffer
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(setq ,name val))))))
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(def-gdb-var buffer-type nil
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"One of the symbols bound in gdb-buffer-rules")
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(def-gdb-var burst ""
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"A string of characters from gdb that have not yet been processed.")
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(def-gdb-var input-queue ()
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"A list of high priority gdb command objects.")
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(def-gdb-var idle-input-queue ()
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"A list of low priority gdb command objects.")
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(def-gdb-var prompting nil
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"True when gdb is idle with no pending input.")
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(def-gdb-var output-sink 'user
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"The disposition of the output of the current gdb command.
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Possible values are these symbols:
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user -- gdb output should be copied to the GUD buffer
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for the user to see.
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inferior -- gdb output should be copied to the inferior-io buffer
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pre-emacs -- output should be ignored util the post-prompt
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annotation is received. Then the output-sink
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becomes:...
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emacs -- output should be collected in the partial-output-buffer
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for subsequent processing by a command. This is the
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disposition of output generated by commands that
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gdb mode sends to gdb on its own behalf.
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post-emacs -- ignore input until the prompt annotation is
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received, then go to USER disposition.
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")
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(def-gdb-var current-item nil
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"The most recent command item sent to gdb.")
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(def-gdb-var pending-triggers '()
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"A list of trigger functions that have run later than their output
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handlers.")
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;; end of gdb variables
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(defun gdb-get-target-string ()
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(with-current-buffer gud-comint-buffer
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gud-target-name))
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;;
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;; gdb buffers.
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;;
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;; Each buffer has a TYPE -- a symbol that identifies the function
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;; of that particular buffer.
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;;
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;; The usual gdb interaction buffer is given the type `gdba' and
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;; is constructed specially.
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;;
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;; Others are constructed by gdb-get-create-buffer and
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;; named according to the rules set forth in the gdb-buffer-rules-assoc
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(defvar gdb-buffer-rules-assoc '())
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(defun gdb-get-buffer (key)
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"Return the gdb buffer tagged with type KEY.
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The key should be one of the cars in `gdb-buffer-rules-assoc'."
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(save-excursion
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(gdb-look-for-tagged-buffer key (buffer-list))))
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(defun gdb-get-create-buffer (key)
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"Create a new gdb buffer of the type specified by KEY.
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The key should be one of the cars in `gdb-buffer-rules-assoc'."
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(or (gdb-get-buffer key)
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(let* ((rules (assoc key gdb-buffer-rules-assoc))
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(name (funcall (gdb-rules-name-maker rules)))
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(new (get-buffer-create name)))
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(with-current-buffer new
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;; FIXME: This should be set after calling the function, since the
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;; function should run kill-all-local-variables.
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(set (make-local-variable 'gdb-buffer-type) key)
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(if (cdr (cdr rules))
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(funcall (car (cdr (cdr rules)))))
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(set (make-local-variable 'gud-comint-buffer) gud-comint-buffer)
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(set (make-local-variable 'gud-minor-mode) 'gdba)
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(set (make-local-variable 'tool-bar-map) gud-tool-bar-map)
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new))))
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(defun gdb-rules-name-maker (rules) (car (cdr rules)))
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(defun gdb-look-for-tagged-buffer (key bufs)
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(let ((retval nil))
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(while (and (not retval) bufs)
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(set-buffer (car bufs))
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(if (eq gdb-buffer-type key)
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(setq retval (car bufs)))
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(setq bufs (cdr bufs)))
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retval))
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;;
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;; This assoc maps buffer type symbols to rules. Each rule is a list of
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;; at least one and possible more functions. The functions have these
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;; roles in defining a buffer type:
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;;
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;; NAME - Return a name for this buffer type.
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;;
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;; The remaining function(s) are optional:
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;;
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;; MODE - called in a new buffer with no arguments, should establish
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;; the proper mode for the buffer.
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;;
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(defun gdb-set-buffer-rules (buffer-type &rest rules)
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(let ((binding (assoc buffer-type gdb-buffer-rules-assoc)))
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(if binding
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(setcdr binding rules)
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(push (cons buffer-type rules)
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gdb-buffer-rules-assoc))))
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;; GUD buffers are an exception to the rules
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(gdb-set-buffer-rules 'gdba 'error)
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;;
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;; Partial-output buffer : This accumulates output from a command executed on
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;; behalf of emacs (rather than the user).
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;;
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(gdb-set-buffer-rules 'gdb-partial-output-buffer
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'gdb-partial-output-name)
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(defun gdb-partial-output-name ()
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(concat "*partial-output-"
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(gdb-get-target-string)
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"*"))
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(gdb-set-buffer-rules 'gdb-inferior-io
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'gdb-inferior-io-name
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'gdb-inferior-io-mode)
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(defun gdb-inferior-io-name ()
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(concat "*input/output of "
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(gdb-get-target-string)
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"*"))
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(defvar gdb-inferior-io-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map "\C-c\C-c" 'gdb-inferior-io-interrupt)
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(define-key map "\C-c\C-z" 'gdb-inferior-io-stop)
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(define-key map "\C-c\C-\\" 'gdb-inferior-io-quit)
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(define-key map "\C-c\C-d" 'gdb-inferior-io-eof)
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map))
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(define-derived-mode gdb-inferior-io-mode comint-mode "Debuggee I/O"
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"Major mode for gdb inferior-io."
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:syntax-table nil :abbrev-table nil
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;; We want to use comint because it has various nifty and familiar
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;; features. We don't need a process, but comint wants one, so create
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;; a dummy one.
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(make-comint-in-buffer
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(substring (buffer-name) 1 (- (length (buffer-name)) 1))
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(current-buffer) "/bin/cat")
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(setq comint-input-sender 'gdb-inferior-io-sender))
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(defun gdb-inferior-io-sender (proc string)
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;; PROC is the pseudo-process created to satisfy comint.
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(with-current-buffer (process-buffer proc)
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(setq proc (get-buffer-process gud-comint-buffer))
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(process-send-string proc string)
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(process-send-string proc "\n")))
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(defun gdb-inferior-io-interrupt ()
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"Interrupt the program being debugged."
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(interactive)
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(interrupt-process
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(get-buffer-process gud-comint-buffer) comint-ptyp))
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(defun gdb-inferior-io-quit ()
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"Send quit signal to the program being debugged."
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(interactive)
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(quit-process
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(get-buffer-process gud-comint-buffer) comint-ptyp))
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(defun gdb-inferior-io-stop ()
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"Stop the program being debugged."
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(interactive)
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(stop-process
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(get-buffer-process gud-comint-buffer) comint-ptyp))
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(defun gdb-inferior-io-eof ()
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"Send end-of-file to the program being debugged."
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(interactive)
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(process-send-eof
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(get-buffer-process gud-comint-buffer)))
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;;
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;; gdb communications
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;;
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;; INPUT: things sent to gdb
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;;
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;; There is a high and low priority input queue. Low priority input is sent
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;; only when the high priority queue is idle.
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;;
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;; The queues are lists. Each element is either a string (indicating user or
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;; user-like input) or a list of the form:
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;;
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;; (INPUT-STRING HANDLER-FN)
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;;
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;; The handler function will be called from the partial-output buffer when the
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;; command completes. This is the way to write commands which invoke gdb
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;; commands autonomously.
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;;
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;; These lists are consumed tail first.
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;;
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(defun gdb-send (proc string)
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"A comint send filter for gdb.
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This filter may simply queue output for a later time."
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(gdb-enqueue-input (concat string "\n")))
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;; Note: Stuff enqueued here will be sent to the next prompt, even if it
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;; is a query, or other non-top-level prompt. To guarantee stuff will get
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;; sent to the top-level prompt, currently it must be put in the idle queue.
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;; ^^^^^^^^^
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;; [This should encourage gdb extensions that invoke gdb commands to let
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;; the user go first; it is not a bug. -t]
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;;
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(defun gdb-enqueue-input (item)
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(if (gdb-get-prompting)
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(progn
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(gdb-send-item item)
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(gdb-set-prompting nil))
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(gdb-set-input-queue
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(cons item (gdb-get-input-queue)))))
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(defun gdb-dequeue-input ()
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(let ((queue (gdb-get-input-queue)))
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(and queue
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(if (not (cdr queue))
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(let ((answer (car queue)))
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(gdb-set-input-queue '())
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answer)
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(gdb-take-last-elt queue)))))
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(defun gdb-enqueue-idle-input (item)
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(if (and (gdb-get-prompting)
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(not (gdb-get-input-queue)))
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(progn
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(gdb-send-item item)
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(gdb-set-prompting nil))
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(gdb-set-idle-input-queue
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(cons item (gdb-get-idle-input-queue)))))
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(defun gdb-dequeue-idle-input ()
|
||
(let ((queue (gdb-get-idle-input-queue)))
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||
(and queue
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(if (not (cdr queue))
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||
(let ((answer (car queue)))
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(gdb-set-idle-input-queue '())
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||
answer)
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(gdb-take-last-elt queue)))))
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|
||
;; Don't use this in general.
|
||
(defun gdb-take-last-elt (l)
|
||
(if (cdr (cdr l))
|
||
(gdb-take-last-elt (cdr l))
|
||
(let ((answer (car (cdr l))))
|
||
(setcdr l '())
|
||
answer)))
|
||
|
||
|
||
;;
|
||
;; output -- things gdb prints to emacs
|
||
;;
|
||
;; GDB output is a stream interrupted by annotations.
|
||
;; Annotations can be recognized by their beginning
|
||
;; with \C-j\C-z\C-z<tag><opt>\C-j
|
||
;;
|
||
;; The tag is a string obeying symbol syntax.
|
||
;;
|
||
;; The optional part `<opt>' can be either the empty string
|
||
;; or a space followed by more data relating to the annotation.
|
||
;; For example, the SOURCE annotation is followed by a filename,
|
||
;; line number and various useless goo. This data must not include
|
||
;; any newlines.
|
||
;;
|
||
|
||
(defcustom gud-gdba-command-name "gdb -annotate=2"
|
||
"Default command to execute an executable under the GDB-UI debugger."
|
||
:type 'string
|
||
:group 'gud)
|
||
|
||
(defvar gdb-annotation-rules
|
||
'(("frames-invalid" gdb-invalidate-frame-and-assembler)
|
||
("breakpoints-invalid" gdb-invalidate-breakpoints-and-assembler)
|
||
("pre-prompt" gdb-pre-prompt)
|
||
("prompt" gdb-prompt)
|
||
("commands" gdb-subprompt)
|
||
("overload-choice" gdb-subprompt)
|
||
("query" gdb-subprompt)
|
||
("prompt-for-continue" gdb-subprompt)
|
||
("post-prompt" gdb-post-prompt)
|
||
("source" gdb-source)
|
||
("starting" gdb-starting)
|
||
("exited" gdb-stopping)
|
||
("signalled" gdb-stopping)
|
||
("signal" gdb-stopping)
|
||
("breakpoint" gdb-stopping)
|
||
("watchpoint" gdb-stopping)
|
||
("frame-begin" gdb-frame-begin)
|
||
("stopped" gdb-stopped)
|
||
("display-begin" gdb-display-begin)
|
||
("display-end" gdb-display-end)
|
||
; GDB commands info stack, info locals and frame generate an error-begin
|
||
; annotation at start when there is no stack but this is a quirk/bug in
|
||
; annotations.
|
||
; ("error-begin" gdb-error-begin)
|
||
("display-number-end" gdb-display-number-end)
|
||
("array-section-begin" gdb-array-section-begin)
|
||
("array-section-end" gdb-array-section-end)
|
||
;; ("elt" gdb-elt)
|
||
("field-begin" gdb-field-begin)
|
||
("field-end" gdb-field-end)
|
||
) "An assoc mapping annotation tags to functions which process them.")
|
||
|
||
(defun gdb-ignore-annotation (args)
|
||
nil)
|
||
|
||
(defconst gdb-source-spec-regexp
|
||
"\\(.*\\):\\([0-9]*\\):[0-9]*:[a-z]*:\\(0x[a-f0-9]*\\)")
|
||
|
||
;; Do not use this except as an annotation handler.
|
||
(defun gdb-source (args)
|
||
(string-match gdb-source-spec-regexp args)
|
||
;; Extract the frame position from the marker.
|
||
(setq gud-last-frame
|
||
(cons
|
||
(match-string 1 args)
|
||
(string-to-int (match-string 2 args))))
|
||
(setq gdb-current-address (match-string 3 args))
|
||
(setq gdb-main-or-pc gdb-current-address)
|
||
;;update with new frame for machine code if necessary
|
||
(gdb-invalidate-assembler))
|
||
|
||
(defun gdb-send-item (item)
|
||
(gdb-set-current-item item)
|
||
(if (stringp item)
|
||
(progn
|
||
(gdb-set-output-sink 'user)
|
||
(process-send-string (get-buffer-process gud-comint-buffer) item))
|
||
(progn
|
||
(gdb-clear-partial-output)
|
||
(gdb-set-output-sink 'pre-emacs)
|
||
(process-send-string (get-buffer-process gud-comint-buffer)
|
||
(car item)))))
|
||
|
||
(defun gdb-pre-prompt (ignored)
|
||
"An annotation handler for `pre-prompt'. This terminates the collection of
|
||
output from a previous command if that happens to be in effect."
|
||
(let ((sink (gdb-get-output-sink)))
|
||
(cond
|
||
((eq sink 'user) t)
|
||
((eq sink 'emacs)
|
||
(gdb-set-output-sink 'post-emacs)
|
||
(let ((handler
|
||
(car (cdr (gdb-get-current-item)))))
|
||
(save-excursion
|
||
(set-buffer (gdb-get-create-buffer
|
||
'gdb-partial-output-buffer))
|
||
(funcall handler))))
|
||
(t
|
||
(gdb-set-output-sink 'user)
|
||
(error "Output sink phase error 1")))))
|
||
|
||
(defun gdb-prompt (ignored)
|
||
"An annotation handler for `prompt'.
|
||
This sends the next command (if any) to gdb."
|
||
(let ((sink (gdb-get-output-sink)))
|
||
(cond
|
||
((eq sink 'user) t)
|
||
((eq sink 'post-emacs)
|
||
(gdb-set-output-sink 'user))
|
||
(t
|
||
(gdb-set-output-sink 'user)
|
||
(error "Phase error in gdb-prompt (got %s)" sink))))
|
||
(let ((highest (gdb-dequeue-input)))
|
||
(if highest
|
||
(gdb-send-item highest)
|
||
(let ((lowest (gdb-dequeue-idle-input)))
|
||
(if lowest
|
||
(gdb-send-item lowest)
|
||
(progn
|
||
(gdb-set-prompting t)
|
||
(gud-display-frame)))))))
|
||
|
||
(defun gdb-subprompt (ignored)
|
||
"An annotation handler for non-top-level prompts."
|
||
(let ((highest (gdb-dequeue-input)))
|
||
(if highest
|
||
(gdb-send-item highest)
|
||
(gdb-set-prompting t))))
|
||
|
||
(defun gdb-starting (ignored)
|
||
"An annotation handler for `starting'. This says that I/O for the
|
||
subprocess is now the program being debugged, not GDB."
|
||
(let ((sink (gdb-get-output-sink)))
|
||
(cond
|
||
((eq sink 'user)
|
||
(progn
|
||
(setq gud-running t)
|
||
(gdb-set-output-sink 'inferior)))
|
||
(t (error "Unexpected `starting' annotation")))))
|
||
|
||
(defun gdb-stopping (ignored)
|
||
"An annotation handler for `exited' and other annotations which say that I/O
|
||
for the subprocess is now GDB, not the program being debugged."
|
||
(let ((sink (gdb-get-output-sink)))
|
||
(cond
|
||
((eq sink 'inferior)
|
||
(gdb-set-output-sink 'user))
|
||
(t (error "Unexpected stopping annotation")))))
|
||
|
||
(defun gdb-frame-begin (ignored)
|
||
(let ((sink (gdb-get-output-sink)))
|
||
(cond
|
||
((eq sink 'inferior)
|
||
(gdb-set-output-sink 'user))
|
||
((eq sink 'user) t)
|
||
((eq sink 'emacs) t)
|
||
(t (error "Unexpected frame-begin annotation (%S)" sink)))))
|
||
|
||
(defun gdb-stopped (ignored)
|
||
"An annotation handler for `stopped'. It is just like gdb-stopping, except
|
||
that if we already set the output sink to 'user in gdb-stopping, that is fine."
|
||
(setq gud-running nil)
|
||
(let ((sink (gdb-get-output-sink)))
|
||
(cond
|
||
((eq sink 'inferior)
|
||
(gdb-set-output-sink 'user))
|
||
((eq sink 'user) t)
|
||
(t (error "Unexpected stopped annotation")))))
|
||
|
||
(defun gdb-post-prompt (ignored)
|
||
"An annotation handler for `post-prompt'. This begins the collection of
|
||
output from the current command if that happens to be appropriate."
|
||
(if (not (gdb-get-pending-triggers))
|
||
(progn
|
||
(gdb-get-current-frame)
|
||
(gdb-invalidate-registers ignored)
|
||
(gdb-invalidate-locals ignored)
|
||
(gdb-invalidate-display ignored)))
|
||
(let ((sink (gdb-get-output-sink)))
|
||
(cond
|
||
((eq sink 'user) t)
|
||
((eq sink 'pre-emacs)
|
||
(gdb-set-output-sink 'emacs))
|
||
(t
|
||
(gdb-set-output-sink 'user)
|
||
(error "Output sink phase error 3")))))
|
||
|
||
;; If we get an error whilst evaluating one of the expressions
|
||
;; we won't get the display-end annotation. Set the sink back to
|
||
;; user to make sure that the error message is seen.
|
||
;; NOT USED: see annotation-rules for reason.
|
||
;(defun gdb-error-begin (ignored)
|
||
; (gdb-set-output-sink 'user))
|
||
|
||
(defun gdb-display-begin (ignored)
|
||
(gdb-set-output-sink 'emacs)
|
||
(gdb-clear-partial-output)
|
||
(setq gdb-display-in-progress t))
|
||
|
||
(defvar gdb-expression-buffer-name)
|
||
(defvar gdb-display-number)
|
||
(defvar gdb-dive-display-number)
|
||
|
||
(defun gdb-display-number-end (ignored)
|
||
(set-buffer (gdb-get-buffer 'gdb-partial-output-buffer))
|
||
(setq gdb-display-number (buffer-string))
|
||
(setq gdb-expression-buffer-name
|
||
(concat "*display " gdb-display-number "*"))
|
||
(save-excursion
|
||
(if (progn
|
||
(set-buffer (window-buffer))
|
||
gdb-dive)
|
||
(progn
|
||
(let ((number gdb-display-number))
|
||
(switch-to-buffer
|
||
(set-buffer (get-buffer-create gdb-expression-buffer-name)))
|
||
(gdb-expressions-mode)
|
||
(setq gdb-dive-display-number number)))
|
||
(set-buffer (get-buffer-create gdb-expression-buffer-name))
|
||
(gdb-expressions-mode)
|
||
(if (and (display-graphic-p) (not gdb-dive))
|
||
(catch 'frame-exists
|
||
(dolist (frame (frame-list))
|
||
(if (string-equal (frame-parameter frame 'name)
|
||
gdb-expression-buffer-name)
|
||
(throw 'frame-exists nil)))
|
||
(make-frame `((height . ,gdb-window-height)
|
||
(width . ,gdb-window-width)
|
||
(tool-bar-lines . nil)
|
||
(menu-bar-lines . nil)
|
||
(minibuffer . nil))))
|
||
(gdb-display-buffer (get-buffer gdb-expression-buffer-name)))))
|
||
(set-buffer (gdb-get-buffer 'gdb-partial-output-buffer))
|
||
(setq gdb-dive nil))
|
||
|
||
(defvar gdb-current-frame nil)
|
||
(defvar gdb-nesting-level)
|
||
(defvar gdb-expression)
|
||
(defvar gdb-point)
|
||
(defvar gdb-annotation-arg)
|
||
|
||
(defun gdb-delete-line ()
|
||
"Delete the current line."
|
||
(delete-region (line-beginning-position) (line-beginning-position 2)))
|
||
|
||
(defun gdb-display-end (ignored)
|
||
(set-buffer (gdb-get-buffer 'gdb-partial-output-buffer))
|
||
(goto-char (point-min))
|
||
(search-forward ": ")
|
||
(looking-at "\\(.*?\\) =")
|
||
(let ((char "")
|
||
(gdb-temp-value (match-string 1)))
|
||
;;move * to front of expression if necessary
|
||
(if (looking-at ".*\\*")
|
||
(progn
|
||
(setq char "*")
|
||
(setq gdb-temp-value (substring gdb-temp-value 1 nil))))
|
||
(save-excursion
|
||
(set-buffer gdb-expression-buffer-name)
|
||
(setq gdb-expression gdb-temp-value)
|
||
(if (not (string-match "::" gdb-expression))
|
||
(setq gdb-expression (concat char gdb-current-frame
|
||
"::" gdb-expression))
|
||
;;else put * back on if necessary
|
||
(setq gdb-expression (concat char gdb-expression)))
|
||
(if (not header-line-format)
|
||
(setq header-line-format (concat "-- " gdb-expression " %-")))))
|
||
;;
|
||
;;-if scalar/string
|
||
(if (not (re-search-forward "##" nil t))
|
||
(progn
|
||
(save-excursion
|
||
(set-buffer gdb-expression-buffer-name)
|
||
(let ((buffer-read-only nil))
|
||
(delete-region (point-min) (point-max))
|
||
(insert-buffer-substring
|
||
(gdb-get-buffer 'gdb-partial-output-buffer)))))
|
||
;; display expression name...
|
||
(goto-char (point-min))
|
||
(let ((start (progn (point)))
|
||
(end (progn (end-of-line) (point))))
|
||
(save-excursion
|
||
(set-buffer gdb-expression-buffer-name)
|
||
(setq buffer-read-only nil)
|
||
(delete-region (point-min) (point-max))
|
||
(insert-buffer-substring (gdb-get-buffer
|
||
'gdb-partial-output-buffer)
|
||
start end)
|
||
(insert "\n")))
|
||
(goto-char (point-min))
|
||
(re-search-forward "##" nil t)
|
||
(setq gdb-nesting-level 0)
|
||
(if (looking-at "array-section-begin")
|
||
(progn
|
||
(gdb-delete-line)
|
||
(setq gdb-point (point))
|
||
(gdb-array-format)))
|
||
(if (looking-at "field-begin \\(.\\)")
|
||
(progn
|
||
(setq gdb-annotation-arg (match-string 1))
|
||
(gdb-field-format-begin))))
|
||
(save-excursion
|
||
(set-buffer gdb-expression-buffer-name)
|
||
(if gdb-dive-display-number
|
||
(progn
|
||
(let ((buffer-read-only nil))
|
||
(goto-char (point-max))
|
||
(insert "\n")
|
||
(insert-text-button "[back]" 'type 'gdb-display-back)))))
|
||
(gdb-clear-partial-output)
|
||
(gdb-set-output-sink 'user)
|
||
(setq gdb-display-in-progress nil))
|
||
|
||
(define-button-type 'gdb-display-back
|
||
'help-echo (purecopy "mouse-2, RET: go back to previous display buffer")
|
||
'action (lambda (button) (gdb-display-go-back)))
|
||
|
||
(defun gdb-display-go-back ()
|
||
;; delete display so they don't accumulate and delete buffer
|
||
(let ((number gdb-display-number))
|
||
(gdb-enqueue-input
|
||
(list (concat "server delete display " number "\n") 'ignore))
|
||
(switch-to-buffer (concat "*display " gdb-dive-display-number "*"))
|
||
(kill-buffer (get-buffer (concat "*display " number "*")))))
|
||
|
||
;; prefix annotations with ## and process whole output in one chunk
|
||
;; in gdb-partial-output-buffer (to allow recursion).
|
||
|
||
;; array-section flags are just removed again but after counting. They
|
||
;; might also be useful for arrays of structures and structures with arrays.
|
||
(defun gdb-array-section-begin (args)
|
||
(if gdb-display-in-progress
|
||
(progn
|
||
(save-excursion
|
||
(set-buffer (gdb-get-buffer 'gdb-partial-output-buffer))
|
||
(goto-char (point-max))
|
||
(insert (concat "\n##array-section-begin " args "\n"))))))
|
||
|
||
(defun gdb-array-section-end (ignored)
|
||
(if gdb-display-in-progress
|
||
(progn
|
||
(save-excursion
|
||
(set-buffer (gdb-get-buffer 'gdb-partial-output-buffer))
|
||
(goto-char (point-max))
|
||
(insert "\n##array-section-end\n")))))
|
||
|
||
(defun gdb-field-begin (args)
|
||
(if gdb-display-in-progress
|
||
(progn
|
||
(save-excursion
|
||
(set-buffer (gdb-get-buffer 'gdb-partial-output-buffer))
|
||
(goto-char (point-max))
|
||
(insert (concat "\n##field-begin " args "\n"))))))
|
||
|
||
(defun gdb-field-end (ignored)
|
||
(if gdb-display-in-progress
|
||
(progn
|
||
(save-excursion
|
||
(set-buffer (gdb-get-buffer 'gdb-partial-output-buffer))
|
||
(goto-char (point-max))
|
||
(insert "\n##field-end\n")))))
|
||
|
||
(defun gdb-elt (ignored)
|
||
(if gdb-display-in-progress
|
||
(progn
|
||
(goto-char (point-max))
|
||
(insert "\n##elt\n"))))
|
||
|
||
(defun gdb-field-format-begin ()
|
||
;; get rid of ##field-begin
|
||
(gdb-delete-line)
|
||
(gdb-insert-field)
|
||
(setq gdb-nesting-level (+ gdb-nesting-level 1))
|
||
(while (re-search-forward "##" nil t)
|
||
;; keep making recursive calls...
|
||
(if (looking-at "field-begin \\(.\\)")
|
||
(progn
|
||
(setq gdb-annotation-arg (match-string 1))
|
||
(gdb-field-format-begin)))
|
||
;; until field-end.
|
||
(if (looking-at "field-end") (gdb-field-format-end))))
|
||
|
||
(defun gdb-field-format-end ()
|
||
;; get rid of ##field-end and `,' or `}'
|
||
(gdb-delete-line)
|
||
(gdb-delete-line)
|
||
(setq gdb-nesting-level (- gdb-nesting-level 1)))
|
||
|
||
(defvar gdb-dive-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(define-key map [mouse-2] 'gdb-dive)
|
||
(define-key map [S-mouse-2] 'gdb-dive-new-frame)
|
||
map))
|
||
|
||
(defun gdb-dive (event)
|
||
"Dive into structure."
|
||
(interactive "e")
|
||
(setq gdb-dive t)
|
||
(gdb-dive-new-frame event))
|
||
|
||
(defun gdb-dive-new-frame (event)
|
||
"Dive into structure and display in a new frame."
|
||
(interactive "e")
|
||
(save-excursion
|
||
(mouse-set-point event)
|
||
(let ((point (point)) (gdb-full-expression gdb-expression)
|
||
(end (progn (end-of-line) (point)))
|
||
(gdb-part-expression "") (gdb-last-field nil) (gdb-display-char nil))
|
||
(beginning-of-line)
|
||
(if (looking-at "\*") (setq gdb-display-char "*"))
|
||
(re-search-forward "\\(\\S-+\\) = " end t)
|
||
(setq gdb-last-field (match-string-no-properties 1))
|
||
(goto-char (match-beginning 1))
|
||
(let ((last-column (current-column)))
|
||
(while (re-search-backward "\\s-\\(\\S-+\\) = {" nil t)
|
||
(goto-char (match-beginning 1))
|
||
(if (and (< (current-column) last-column)
|
||
(> (count-lines 1 (point)) 1))
|
||
(progn
|
||
(setq gdb-part-expression
|
||
(concat "." (match-string-no-properties 1)
|
||
gdb-part-expression))
|
||
(setq last-column (current-column))))))
|
||
;; * not needed for components of a pointer to a structure in gdb
|
||
(if (string-equal "*" (substring gdb-full-expression 0 1))
|
||
(setq gdb-full-expression (substring gdb-full-expression 1 nil)))
|
||
(setq gdb-full-expression
|
||
(concat gdb-full-expression gdb-part-expression "." gdb-last-field))
|
||
(gdb-enqueue-input
|
||
(list (concat "server display" gdb-display-char
|
||
" " gdb-full-expression "\n")
|
||
'ignore)))))
|
||
|
||
(defun gdb-insert-field ()
|
||
(let ((start (progn (point)))
|
||
(end (progn (next-line) (point)))
|
||
(num 0))
|
||
(save-excursion
|
||
(set-buffer gdb-expression-buffer-name)
|
||
(let ((buffer-read-only nil))
|
||
(if (string-equal gdb-annotation-arg "\*") (insert "\*"))
|
||
(while (<= num gdb-nesting-level)
|
||
(insert "\t")
|
||
(setq num (+ num 1)))
|
||
(insert-buffer-substring (gdb-get-buffer
|
||
'gdb-partial-output-buffer)
|
||
start end)
|
||
(put-text-property (- (point) (- end start)) (- (point) 1)
|
||
'mouse-face 'highlight)
|
||
(put-text-property (- (point) (- end start)) (- (point) 1)
|
||
'local-map gdb-dive-map)))
|
||
(delete-region start end)))
|
||
|
||
(defvar gdb-values)
|
||
|
||
(defun gdb-array-format ()
|
||
(while (re-search-forward "##" nil t)
|
||
;; keep making recursive calls...
|
||
(if (looking-at "array-section-begin")
|
||
(progn
|
||
;;get rid of ##array-section-begin
|
||
(gdb-delete-line)
|
||
(setq gdb-nesting-level (+ gdb-nesting-level 1))
|
||
(gdb-array-format)))
|
||
;;until *matching* array-section-end is found
|
||
(if (looking-at "array-section-end")
|
||
(if (eq gdb-nesting-level 0)
|
||
(progn
|
||
(let ((values (buffer-substring gdb-point (- (point) 2))))
|
||
(save-excursion
|
||
(set-buffer gdb-expression-buffer-name)
|
||
(setq gdb-values
|
||
(concat "{" (replace-regexp-in-string "\n" "" values)
|
||
"}"))
|
||
(gdb-array-format1))))
|
||
;;else get rid of ##array-section-end etc
|
||
(gdb-delete-line)
|
||
(setq gdb-nesting-level (- gdb-nesting-level 1))
|
||
(gdb-array-format)))))
|
||
|
||
(defvar gdb-array-start)
|
||
(defvar gdb-array-stop)
|
||
|
||
(defvar gdb-array-slice-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(define-key map [mouse-2] 'gdb-array-slice)
|
||
map))
|
||
|
||
(defun gdb-array-slice (event)
|
||
"Select an array slice to display."
|
||
(interactive "e")
|
||
(mouse-set-point event)
|
||
(save-excursion
|
||
(let ((n -1) (stop 0) (start 0) (point (point)))
|
||
(beginning-of-line)
|
||
(while (search-forward "[" point t)
|
||
(setq n (+ n 1)))
|
||
(setq start (string-to-int (read-string "Start index: ")))
|
||
(aset gdb-array-start n start)
|
||
(setq stop (string-to-int (read-string "Stop index: ")))
|
||
(aset gdb-array-stop n stop)))
|
||
(gdb-array-format1))
|
||
|
||
(defvar gdb-display-string)
|
||
(defvar gdb-array-size)
|
||
|
||
(defun gdb-array-format1 ()
|
||
(setq gdb-display-string "")
|
||
(let ((buffer-read-only nil))
|
||
(delete-region (point-min) (point-max))
|
||
(let ((gdb-value-list (split-string gdb-values ", ")))
|
||
(string-match "\\({+\\)" (car gdb-value-list))
|
||
(let* ((depth (- (match-end 1) (match-beginning 1)))
|
||
(indices (make-vector depth '0))
|
||
(index 0) (num 0) (array-start "")
|
||
(array-stop "") (array-slice "") (array-range nil)
|
||
(flag t) (indices-string ""))
|
||
(dolist (gdb-value gdb-value-list)
|
||
(string-match "{*\\([^}]*\\)\\(}*\\)" gdb-value)
|
||
(setq num 0)
|
||
(while (< num depth)
|
||
(setq indices-string
|
||
(concat indices-string
|
||
"[" (int-to-string (aref indices num)) "]"))
|
||
(if (not (= (aref gdb-array-start num) -1))
|
||
(if (or (< (aref indices num) (aref gdb-array-start num))
|
||
(> (aref indices num) (aref gdb-array-stop num)))
|
||
(setq flag nil))
|
||
(aset gdb-array-size num (aref indices num)))
|
||
(setq num (+ num 1)))
|
||
(if flag
|
||
(let ((gdb-display-value (match-string 1 gdb-value)))
|
||
(setq gdb-display-string (concat gdb-display-string " "
|
||
gdb-display-value))
|
||
(insert
|
||
(concat indices-string "\t" gdb-display-value "\n"))))
|
||
(setq indices-string "")
|
||
(setq flag t)
|
||
;; 0<= index < depth, start at right : (- depth 1)
|
||
(setq index (- (- depth 1)
|
||
(- (match-end 2) (match-beginning 2))))
|
||
;;don't set for very last brackets
|
||
(when (>= index 0)
|
||
(aset indices index (+ 1 (aref indices index)))
|
||
(setq num (+ 1 index))
|
||
(while (< num depth)
|
||
(aset indices num 0)
|
||
(setq num (+ num 1)))))
|
||
(setq num 0)
|
||
(while (< num depth)
|
||
(if (= (aref gdb-array-start num) -1)
|
||
(progn
|
||
(aset gdb-array-start num 0)
|
||
(aset gdb-array-stop num (aref indices num))))
|
||
(setq array-start (int-to-string (aref gdb-array-start num)))
|
||
(setq array-stop (int-to-string (aref gdb-array-stop num)))
|
||
(setq array-range (concat "[" array-start
|
||
":" array-stop "]"))
|
||
(put-text-property 1 (+ (length array-start)
|
||
(length array-stop) 2)
|
||
'mouse-face 'highlight array-range)
|
||
(put-text-property 1 (+ (length array-start)
|
||
(length array-stop) 2)
|
||
'local-map gdb-array-slice-map array-range)
|
||
(goto-char (point-min))
|
||
(setq array-slice (concat array-slice array-range))
|
||
(setq num (+ num 1)))
|
||
(goto-char (point-min))
|
||
(insert "Array Size : ")
|
||
(setq num 0)
|
||
(while (< num depth)
|
||
(insert
|
||
(concat "["
|
||
(int-to-string (+ (aref gdb-array-size num) 1)) "]"))
|
||
(setq num (+ num 1)))
|
||
(insert
|
||
(concat "\n Slice : " array-slice "\n\nIndex\tValues\n\n"))))))
|
||
|
||
(defun gud-gdba-marker-filter (string)
|
||
"A gud marker filter for gdb. Handle a burst of output from GDB."
|
||
(let (
|
||
;; Recall the left over burst from last time
|
||
(burst (concat (gdb-get-burst) string))
|
||
;; Start accumulating output for the GUD buffer
|
||
(output ""))
|
||
;;
|
||
;; Process all the complete markers in this chunk.
|
||
(while (string-match "\n\032\032\\(.*\\)\n" burst)
|
||
(let ((annotation (match-string 1 burst)))
|
||
;;
|
||
;; Stuff prior to the match is just ordinary output.
|
||
;; It is either concatenated to OUTPUT or directed
|
||
;; elsewhere.
|
||
(setq output
|
||
(gdb-concat-output
|
||
output
|
||
(substring burst 0 (match-beginning 0))))
|
||
|
||
;; Take that stuff off the burst.
|
||
(setq burst (substring burst (match-end 0)))
|
||
|
||
;; Parse the tag from the annotation, and maybe its arguments.
|
||
(string-match "\\(\\S-*\\) ?\\(.*\\)" annotation)
|
||
(let* ((annotation-type (match-string 1 annotation))
|
||
(annotation-arguments (match-string 2 annotation))
|
||
(annotation-rule (assoc annotation-type
|
||
gdb-annotation-rules)))
|
||
;; Call the handler for this annotation.
|
||
(if annotation-rule
|
||
(funcall (car (cdr annotation-rule))
|
||
annotation-arguments)
|
||
;; Else the annotation is not recognized. Ignore it silently,
|
||
;; so that GDB can add new annotations without causing
|
||
;; us to blow up.
|
||
))))
|
||
;;
|
||
;; Does the remaining text end in a partial line?
|
||
;; If it does, then keep part of the burst until we get more.
|
||
(if (string-match "\n\\'\\|\n\032\\'\\|\n\032\032.*\\'"
|
||
burst)
|
||
(progn
|
||
;; Everything before the potential marker start can be output.
|
||
(setq output
|
||
(gdb-concat-output output
|
||
(substring burst 0 (match-beginning 0))))
|
||
;;
|
||
;; Everything after, we save, to combine with later input.
|
||
(setq burst (substring burst (match-beginning 0))))
|
||
;;
|
||
;; In case we know the burst contains no partial annotations:
|
||
(progn
|
||
(setq output (gdb-concat-output output burst))
|
||
(setq burst "")))
|
||
;;
|
||
;; Save the remaining burst for the next call to this function.
|
||
(gdb-set-burst burst)
|
||
output))
|
||
|
||
(defun gdb-concat-output (so-far new)
|
||
(let ((sink (gdb-get-output-sink )))
|
||
(cond
|
||
((eq sink 'user) (concat so-far new))
|
||
((or (eq sink 'pre-emacs) (eq sink 'post-emacs)) so-far)
|
||
((eq sink 'emacs)
|
||
(gdb-append-to-partial-output new)
|
||
so-far)
|
||
((eq sink 'inferior)
|
||
(gdb-append-to-inferior-io new)
|
||
so-far)
|
||
(t (error "Bogon output sink %S" sink)))))
|
||
|
||
(defun gdb-append-to-partial-output (string)
|
||
(save-excursion
|
||
(set-buffer
|
||
(gdb-get-create-buffer 'gdb-partial-output-buffer))
|
||
(goto-char (point-max))
|
||
(insert string)))
|
||
|
||
(defun gdb-clear-partial-output ()
|
||
(save-excursion
|
||
(set-buffer
|
||
(gdb-get-create-buffer 'gdb-partial-output-buffer))
|
||
(delete-region (point-min) (point-max))))
|
||
|
||
(defun gdb-append-to-inferior-io (string)
|
||
(save-excursion
|
||
(set-buffer
|
||
(gdb-get-create-buffer 'gdb-inferior-io))
|
||
(goto-char (point-max))
|
||
(insert-before-markers string))
|
||
(if (not (string-equal string ""))
|
||
(gdb-display-buffer
|
||
(gdb-get-create-buffer 'gdb-inferior-io))))
|
||
|
||
(defun gdb-clear-inferior-io ()
|
||
(save-excursion
|
||
(set-buffer
|
||
(gdb-get-create-buffer 'gdb-inferior-io))
|
||
(delete-region (point-min) (point-max))))
|
||
|
||
|
||
;; One trick is to have a command who's output is always available in a buffer
|
||
;; of it's own, and is always up to date. We build several buffers of this
|
||
;; type.
|
||
;;
|
||
;; There are two aspects to this: gdb has to tell us when the output for that
|
||
;; command might have changed, and we have to be able to run the command
|
||
;; behind the user's back.
|
||
;;
|
||
;; The idle input queue and the output phasing associated with the variable
|
||
;; gdb-output-sink help us to run commands behind the user's back.
|
||
;;
|
||
;; Below is the code for specificly managing buffers of output from one
|
||
;; command.
|
||
;;
|
||
|
||
;; The trigger function is suitable for use in the assoc GDB-ANNOTATION-RULES
|
||
;; It adds an idle input for the command we are tracking. It should be the
|
||
;; annotation rule binding of whatever gdb sends to tell us this command
|
||
;; might have changed it's output.
|
||
;;
|
||
;; NAME is the function name. DEMAND-PREDICATE tests if output is really needed.
|
||
;; GDB-COMMAND is a string of such. OUTPUT-HANDLER is the function bound to the
|
||
;; input in the input queue (see comment about ``gdb communications'' above).
|
||
|
||
(defmacro def-gdb-auto-update-trigger (name demand-predicate gdb-command
|
||
output-handler)
|
||
`(defun ,name (&optional ignored)
|
||
(if (and (,demand-predicate)
|
||
(not (member ',name
|
||
(gdb-get-pending-triggers))))
|
||
(progn
|
||
(gdb-enqueue-idle-input
|
||
(list ,gdb-command ',output-handler))
|
||
(gdb-set-pending-triggers
|
||
(cons ',name
|
||
(gdb-get-pending-triggers)))))))
|
||
|
||
(defmacro def-gdb-auto-update-handler (name trigger buf-key custom-defun)
|
||
`(defun ,name ()
|
||
(gdb-set-pending-triggers
|
||
(delq ',trigger
|
||
(gdb-get-pending-triggers)))
|
||
(let ((buf (gdb-get-buffer ',buf-key)))
|
||
(and buf
|
||
(save-excursion
|
||
(set-buffer buf)
|
||
(let ((p (point))
|
||
(buffer-read-only nil))
|
||
(delete-region (point-min) (point-max))
|
||
(insert-buffer-substring (gdb-get-create-buffer
|
||
'gdb-partial-output-buffer))
|
||
(goto-char p)))))
|
||
;; put customisation here
|
||
(,custom-defun)))
|
||
|
||
(defmacro def-gdb-auto-updated-buffer (buffer-key trigger-name gdb-command
|
||
output-handler-name custom-defun)
|
||
`(progn
|
||
(def-gdb-auto-update-trigger ,trigger-name
|
||
;; The demand predicate:
|
||
(lambda () (gdb-get-buffer ',buffer-key))
|
||
,gdb-command
|
||
,output-handler-name)
|
||
(def-gdb-auto-update-handler ,output-handler-name
|
||
,trigger-name ,buffer-key ,custom-defun)))
|
||
|
||
|
||
;;
|
||
;; Breakpoint buffer : This displays the output of `info breakpoints'.
|
||
;;
|
||
(gdb-set-buffer-rules 'gdb-breakpoints-buffer
|
||
'gdb-breakpoints-buffer-name
|
||
'gdb-breakpoints-mode)
|
||
|
||
(def-gdb-auto-updated-buffer gdb-breakpoints-buffer
|
||
;; This defines the auto update rule for buffers of type
|
||
;; `gdb-breakpoints-buffer'.
|
||
;;
|
||
;; It defines a function to serve as the annotation handler that
|
||
;; handles the `foo-invalidated' message. That function is called:
|
||
gdb-invalidate-breakpoints
|
||
;;
|
||
;; To update the buffer, this command is sent to gdb.
|
||
"server info breakpoints\n"
|
||
;;
|
||
;; This also defines a function to be the handler for the output
|
||
;; from the command above. That function will copy the output into
|
||
;; the appropriately typed buffer. That function will be called:
|
||
gdb-info-breakpoints-handler
|
||
;; buffer specific functions
|
||
gdb-info-breakpoints-custom)
|
||
|
||
(defvar gdb-cdir nil "Compilation directory.")
|
||
(defvar breakpoint-enabled-icon)
|
||
(defvar breakpoint-disabled-icon)
|
||
|
||
;;-put breakpoint icons in relevant margins (even those set in the GUD buffer)
|
||
(defun gdb-info-breakpoints-custom ()
|
||
(let ((flag)(address))
|
||
;;
|
||
;; remove all breakpoint-icons in source buffers but not assembler buffer
|
||
(dolist (buffer (buffer-list))
|
||
(save-excursion
|
||
(set-buffer buffer)
|
||
(if (and (eq gud-minor-mode 'gdba)
|
||
(not (string-match "^\*" (buffer-name))))
|
||
(if (display-graphic-p)
|
||
(remove-images (point-min) (point-max))
|
||
(remove-strings (point-min) (point-max))))))
|
||
(save-excursion
|
||
(set-buffer (gdb-get-buffer 'gdb-breakpoints-buffer))
|
||
(save-excursion
|
||
(goto-char (point-min))
|
||
(while (< (point) (- (point-max) 1))
|
||
(forward-line 1)
|
||
(if (looking-at "[^\t].*breakpoint")
|
||
(progn
|
||
(looking-at "\\([0-9]*\\)\\s-*\\S-*\\s-*\\S-*\\s-*\\(.\\)")
|
||
(setq flag (char-after (match-beginning 2)))
|
||
(beginning-of-line)
|
||
(if (re-search-forward "in\\s-+\\S-+\\s-+at\\s-+" nil t)
|
||
(progn
|
||
(looking-at "\\(\\S-*\\):\\([0-9]+\\)")
|
||
(let ((line (match-string 2)) (buffer-read-only nil)
|
||
(file (match-string 1)))
|
||
(put-text-property (progn (beginning-of-line) (point))
|
||
(progn (end-of-line) (point))
|
||
'mouse-face 'highlight)
|
||
(save-excursion
|
||
(set-buffer
|
||
(find-file-noselect
|
||
(if (file-exists-p file) file
|
||
(expand-file-name file gdb-cdir))))
|
||
(save-current-buffer
|
||
(set (make-local-variable 'gud-minor-mode) 'gdba)
|
||
(set (make-local-variable 'tool-bar-map)
|
||
gud-tool-bar-map)
|
||
(setq left-margin-width 2)
|
||
(if (get-buffer-window (current-buffer))
|
||
(set-window-margins (get-buffer-window
|
||
(current-buffer))
|
||
left-margin-width
|
||
right-margin-width)))
|
||
;; only want one breakpoint icon at each location
|
||
(save-excursion
|
||
(goto-line (string-to-number line))
|
||
(let ((start (progn (beginning-of-line)
|
||
(- (point) 1)))
|
||
(end (progn (end-of-line) (+ (point) 1))))
|
||
(if (display-graphic-p)
|
||
(progn
|
||
(remove-images start end)
|
||
(if (eq ?y flag)
|
||
(put-image breakpoint-enabled-icon
|
||
(point)
|
||
"breakpoint icon enabled"
|
||
'left-margin)
|
||
(put-image breakpoint-disabled-icon (point)
|
||
"breakpoint icon disabled"
|
||
'left-margin)))
|
||
(remove-strings start end)
|
||
(if (eq ?y flag)
|
||
(put-string "B" (point) "enabled"
|
||
'left-margin)
|
||
(put-string "b" (point) "disabled"
|
||
'left-margin)))))))))))
|
||
(end-of-line))))))
|
||
|
||
(defun gdb-breakpoints-buffer-name ()
|
||
(with-current-buffer gud-comint-buffer
|
||
(concat "*breakpoints of " (gdb-get-target-string) "*")))
|
||
|
||
(defun gdb-display-breakpoints-buffer ()
|
||
(interactive)
|
||
(gdb-display-buffer
|
||
(gdb-get-create-buffer 'gdb-breakpoints-buffer)))
|
||
|
||
(defun gdb-frame-breakpoints-buffer ()
|
||
(interactive)
|
||
(switch-to-buffer-other-frame
|
||
(gdb-get-create-buffer 'gdb-breakpoints-buffer)))
|
||
|
||
(defvar gdb-breakpoints-mode-map
|
||
(let ((map (make-sparse-keymap))
|
||
(menu (make-sparse-keymap "Breakpoints")))
|
||
(define-key menu [toggle] '("Toggle" . gdb-toggle-breakpoint))
|
||
(define-key menu [delete] '("Delete" . gdb-delete-breakpoint))
|
||
(define-key menu [goto] '("Goto" . gdb-goto-breakpoint))
|
||
|
||
(suppress-keymap map)
|
||
(define-key map [menu-bar breakpoints] (cons "Breakpoints" menu))
|
||
(define-key map " " 'gdb-toggle-breakpoint)
|
||
(define-key map "d" 'gdb-delete-breakpoint)
|
||
(define-key map "\r" 'gdb-goto-breakpoint)
|
||
(define-key map [mouse-2] 'gdb-mouse-goto-breakpoint)
|
||
map))
|
||
|
||
(defun gdb-breakpoints-mode ()
|
||
"Major mode for gdb breakpoints.
|
||
|
||
\\{gdb-breakpoints-mode-map}"
|
||
(setq major-mode 'gdb-breakpoints-mode)
|
||
(setq mode-name "Breakpoints")
|
||
(use-local-map gdb-breakpoints-mode-map)
|
||
(setq buffer-read-only t)
|
||
(gdb-invalidate-breakpoints))
|
||
|
||
(defun gdb-toggle-breakpoint ()
|
||
"Enable/disable the breakpoint at current line."
|
||
(interactive)
|
||
(save-excursion
|
||
(beginning-of-line 1)
|
||
(if (not (looking-at "\\([0-9]+\\).*point\\s-*\\S-*\\s-*\\(.\\)"))
|
||
(error "Not recognized as break/watchpoint line")
|
||
(gdb-enqueue-input
|
||
(list
|
||
(concat
|
||
(if (eq ?y (char-after (match-beginning 2)))
|
||
"server disable "
|
||
"server enable ")
|
||
(match-string 1) "\n")
|
||
'ignore)))))
|
||
|
||
(defun gdb-delete-breakpoint ()
|
||
"Delete the breakpoint at current line."
|
||
(interactive)
|
||
(beginning-of-line 1)
|
||
(if (not (looking-at "\\([0-9]+\\).*point\\s-*\\S-*\\s-*\\(.\\)"))
|
||
(error "Not recognized as break/watchpoint line")
|
||
(gdb-enqueue-input
|
||
(list (concat "server delete " (match-string 1) "\n") 'ignore))))
|
||
|
||
(defvar gdb-source-window nil)
|
||
|
||
(defun gdb-goto-breakpoint ()
|
||
"Display the file in the source buffer at the breakpoint specified on the
|
||
current line."
|
||
(interactive)
|
||
(save-excursion
|
||
(beginning-of-line 1)
|
||
(re-search-forward "in\\s-+\\S-+\\s-+at\\s-+" nil t)
|
||
(looking-at "\\(\\S-*\\):\\([0-9]+\\)"))
|
||
(if (match-string 2)
|
||
(let ((line (match-string 2))
|
||
(file (match-string 1)))
|
||
(save-selected-window
|
||
(select-window gdb-source-window)
|
||
(switch-to-buffer (find-file-noselect
|
||
(if (file-exists-p file)
|
||
file
|
||
(expand-file-name file gdb-cdir))))
|
||
(goto-line (string-to-number line))))))
|
||
|
||
(defun gdb-mouse-goto-breakpoint (event)
|
||
"Display the file in the source buffer at the selected breakpoint."
|
||
(interactive "e")
|
||
(mouse-set-point event)
|
||
(gdb-goto-breakpoint))
|
||
|
||
;;
|
||
;; Frames buffer. This displays a perpetually correct bactracktrace
|
||
;; (from the command `where').
|
||
;;
|
||
;; Alas, if your stack is deep, it is costly.
|
||
;;
|
||
(gdb-set-buffer-rules 'gdb-stack-buffer
|
||
'gdb-stack-buffer-name
|
||
'gdb-frames-mode)
|
||
|
||
(def-gdb-auto-updated-buffer gdb-stack-buffer
|
||
gdb-invalidate-frames
|
||
"server where\n"
|
||
gdb-info-frames-handler
|
||
gdb-info-frames-custom)
|
||
|
||
(defun gdb-info-frames-custom ()
|
||
(save-excursion
|
||
(set-buffer (gdb-get-buffer 'gdb-stack-buffer))
|
||
(let ((buffer-read-only nil))
|
||
(goto-char (point-min))
|
||
(while (< (point) (point-max))
|
||
(put-text-property (progn (beginning-of-line) (point))
|
||
(progn (end-of-line) (point))
|
||
'mouse-face 'highlight)
|
||
(forward-line 1)))))
|
||
|
||
(defun gdb-stack-buffer-name ()
|
||
(with-current-buffer gud-comint-buffer
|
||
(concat "*stack frames of " (gdb-get-target-string) "*")))
|
||
|
||
(defun gdb-display-stack-buffer ()
|
||
(interactive)
|
||
(gdb-display-buffer
|
||
(gdb-get-create-buffer 'gdb-stack-buffer)))
|
||
|
||
(defun gdb-frame-stack-buffer ()
|
||
(interactive)
|
||
(switch-to-buffer-other-frame
|
||
(gdb-get-create-buffer 'gdb-stack-buffer)))
|
||
|
||
(defvar gdb-frames-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(suppress-keymap map)
|
||
(define-key map "\r" 'gdb-frames-select)
|
||
(define-key map [mouse-2] 'gdb-frames-mouse-select)
|
||
map))
|
||
|
||
(defun gdb-frames-mode ()
|
||
"Major mode for gdb frames.
|
||
|
||
\\{gdb-frames-mode-map}"
|
||
(setq major-mode 'gdb-frames-mode)
|
||
(setq mode-name "Frames")
|
||
(setq buffer-read-only t)
|
||
(use-local-map gdb-frames-mode-map)
|
||
(gdb-invalidate-frames))
|
||
|
||
(defun gdb-get-frame-number ()
|
||
(save-excursion
|
||
(let* ((pos (re-search-backward "^#\\([0-9]*\\)" nil t))
|
||
(n (or (and pos (match-string-no-properties 1)) "0")))
|
||
n)))
|
||
|
||
(defun gdb-frames-select ()
|
||
"Make the frame on the current line become the current frame and display the
|
||
source in the source buffer."
|
||
(interactive)
|
||
(gdb-enqueue-input
|
||
(list (concat "server frame " (gdb-get-frame-number) "\n") 'ignore))
|
||
(gud-display-frame))
|
||
|
||
(defun gdb-frames-mouse-select (event)
|
||
"Make the selected frame become the current frame and display the source in
|
||
the source buffer."
|
||
(interactive "e")
|
||
(mouse-set-point event)
|
||
(gdb-frames-select))
|
||
|
||
;;
|
||
;; Registers buffer.
|
||
;;
|
||
(gdb-set-buffer-rules 'gdb-registers-buffer
|
||
'gdb-registers-buffer-name
|
||
'gdb-registers-mode)
|
||
|
||
(def-gdb-auto-updated-buffer gdb-registers-buffer
|
||
gdb-invalidate-registers
|
||
"server info registers\n"
|
||
gdb-info-registers-handler
|
||
gdb-info-registers-custom)
|
||
|
||
(defun gdb-info-registers-custom ())
|
||
|
||
(defvar gdb-registers-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(suppress-keymap map)
|
||
map))
|
||
|
||
(defun gdb-registers-mode ()
|
||
"Major mode for gdb registers.
|
||
|
||
\\{gdb-registers-mode-map}"
|
||
(setq major-mode 'gdb-registers-mode)
|
||
(setq mode-name "Registers")
|
||
(setq buffer-read-only t)
|
||
(use-local-map gdb-registers-mode-map)
|
||
(gdb-invalidate-registers))
|
||
|
||
(defun gdb-registers-buffer-name ()
|
||
(with-current-buffer gud-comint-buffer
|
||
(concat "*registers of " (gdb-get-target-string) "*")))
|
||
|
||
(defun gdb-display-registers-buffer ()
|
||
(interactive)
|
||
(gdb-display-buffer
|
||
(gdb-get-create-buffer 'gdb-registers-buffer)))
|
||
|
||
(defun gdb-frame-registers-buffer ()
|
||
(interactive)
|
||
(switch-to-buffer-other-frame
|
||
(gdb-get-create-buffer 'gdb-registers-buffer)))
|
||
|
||
;;
|
||
;; Locals buffer.
|
||
;;
|
||
(gdb-set-buffer-rules 'gdb-locals-buffer
|
||
'gdb-locals-buffer-name
|
||
'gdb-locals-mode)
|
||
|
||
(def-gdb-auto-updated-buffer gdb-locals-buffer
|
||
gdb-invalidate-locals
|
||
"server info locals\n"
|
||
gdb-info-locals-handler
|
||
gdb-info-locals-custom)
|
||
|
||
;; Abbreviate for arrays and structures.
|
||
;; These can be expanded using gud-display.
|
||
(defun gdb-info-locals-handler nil
|
||
(gdb-set-pending-triggers (delq 'gdb-invalidate-locals
|
||
(gdb-get-pending-triggers)))
|
||
(let ((buf (gdb-get-buffer 'gdb-partial-output-buffer)))
|
||
(save-excursion
|
||
(set-buffer buf)
|
||
(goto-char (point-min))
|
||
(while (re-search-forward "^ .*\n" nil t)
|
||
(replace-match "" nil nil))
|
||
(goto-char (point-min))
|
||
(while (re-search-forward "{[-0-9, {}\]*\n" nil t)
|
||
(replace-match "(array);\n" nil nil))
|
||
(goto-char (point-min))
|
||
(while (re-search-forward "{.*=.*\n" nil t)
|
||
(replace-match "(structure);\n" nil nil))))
|
||
(let ((buf (gdb-get-buffer 'gdb-locals-buffer)))
|
||
(and buf (save-excursion
|
||
(set-buffer buf)
|
||
(let ((p (point))
|
||
(buffer-read-only nil))
|
||
(delete-region (point-min) (point-max))
|
||
(insert-buffer-substring (gdb-get-create-buffer
|
||
'gdb-partial-output-buffer))
|
||
(goto-char p)))))
|
||
(run-hooks 'gdb-info-locals-hook))
|
||
|
||
(defun gdb-info-locals-custom ()
|
||
nil)
|
||
|
||
(defvar gdb-locals-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(suppress-keymap map)
|
||
map))
|
||
|
||
(defun gdb-locals-mode ()
|
||
"Major mode for gdb locals.
|
||
|
||
\\{gdb-locals-mode-map}"
|
||
(setq major-mode 'gdb-locals-mode)
|
||
(setq mode-name "Locals")
|
||
(setq buffer-read-only t)
|
||
(use-local-map gdb-locals-mode-map)
|
||
(gdb-invalidate-locals))
|
||
|
||
(defun gdb-locals-buffer-name ()
|
||
(with-current-buffer gud-comint-buffer
|
||
(concat "*locals of " (gdb-get-target-string) "*")))
|
||
|
||
(defun gdb-display-locals-buffer ()
|
||
(interactive)
|
||
(gdb-display-buffer
|
||
(gdb-get-create-buffer 'gdb-locals-buffer)))
|
||
|
||
(defun gdb-frame-locals-buffer ()
|
||
(interactive)
|
||
(switch-to-buffer-other-frame
|
||
(gdb-get-create-buffer 'gdb-locals-buffer)))
|
||
|
||
;;
|
||
;; Display expression buffer.
|
||
;;
|
||
(gdb-set-buffer-rules 'gdb-display-buffer
|
||
'gdb-display-buffer-name
|
||
'gdb-display-mode)
|
||
|
||
(def-gdb-auto-updated-buffer gdb-display-buffer
|
||
;; `gdb-display-buffer'.
|
||
gdb-invalidate-display
|
||
"server info display\n"
|
||
gdb-info-display-handler
|
||
gdb-info-display-custom)
|
||
|
||
(defun gdb-info-display-custom ()
|
||
(let ((display-list nil))
|
||
(save-excursion
|
||
(set-buffer (gdb-get-buffer 'gdb-display-buffer))
|
||
(goto-char (point-min))
|
||
(while (< (point) (- (point-max) 1))
|
||
(forward-line 1)
|
||
(if (looking-at "\\([0-9]+\\): \\([ny]\\)")
|
||
(setq display-list
|
||
(cons (string-to-int (match-string 1)) display-list)))
|
||
(end-of-line)))
|
||
(if (not (display-graphic-p))
|
||
(progn
|
||
(dolist (buffer (buffer-list))
|
||
(if (string-match "\\*display \\([0-9]+\\)\\*" (buffer-name buffer))
|
||
(progn
|
||
(let ((number
|
||
(match-string 1 (buffer-name buffer))))
|
||
(if (not (memq (string-to-int number) display-list))
|
||
(kill-buffer
|
||
(get-buffer (concat "*display " number "*")))))))))
|
||
(gdb-delete-frames display-list))))
|
||
|
||
(defun gdb-delete-frames (display-list)
|
||
(dolist (frame (frame-list))
|
||
(let ((frame-name (frame-parameter frame 'name)))
|
||
(if (string-match "\\*display \\([0-9]+\\)\\*" frame-name)
|
||
(progn
|
||
(let ((number (match-string 1 frame-name)))
|
||
(if (not (memq (string-to-int number) display-list))
|
||
(progn (kill-buffer
|
||
(get-buffer (concat "*display " number "*")))
|
||
(delete-frame frame)))))))))
|
||
|
||
(defvar gdb-display-mode-map
|
||
(let ((map (make-sparse-keymap))
|
||
(menu (make-sparse-keymap "Display")))
|
||
(define-key menu [toggle] '("Toggle" . gdb-toggle-display))
|
||
(define-key menu [delete] '("Delete" . gdb-delete-display))
|
||
|
||
(suppress-keymap map)
|
||
(define-key map [menu-bar display] (cons "Display" menu))
|
||
(define-key map " " 'gdb-toggle-display)
|
||
(define-key map "d" 'gdb-delete-display)
|
||
map))
|
||
|
||
(defun gdb-display-mode ()
|
||
"Major mode for gdb display.
|
||
|
||
\\{gdb-display-mode-map}"
|
||
(setq major-mode 'gdb-display-mode)
|
||
(setq mode-name "Display")
|
||
(setq buffer-read-only t)
|
||
(use-local-map gdb-display-mode-map)
|
||
(gdb-invalidate-display))
|
||
|
||
(defun gdb-display-buffer-name ()
|
||
(with-current-buffer gud-comint-buffer
|
||
(concat "*Displayed expressions of " (gdb-get-target-string) "*")))
|
||
|
||
(defun gdb-display-display-buffer ()
|
||
(interactive)
|
||
(gdb-display-buffer
|
||
(gdb-get-create-buffer 'gdb-display-buffer)))
|
||
|
||
(defun gdb-frame-display-buffer ()
|
||
(interactive)
|
||
(switch-to-buffer-other-frame
|
||
(gdb-get-create-buffer 'gdb-display-buffer)))
|
||
|
||
(defun gdb-toggle-display ()
|
||
"Enable/disable the displayed expression at current line."
|
||
(interactive)
|
||
(save-excursion
|
||
(beginning-of-line 1)
|
||
(if (not (looking-at "\\([0-9]+\\): \\([ny]\\)"))
|
||
(error "No expression on this line")
|
||
(gdb-enqueue-input
|
||
(list
|
||
(concat
|
||
(if (eq ?y (char-after (match-beginning 2)))
|
||
"server disable display "
|
||
"server enable display ")
|
||
(match-string 1) "\n")
|
||
'ignore)))))
|
||
|
||
(defun gdb-delete-display ()
|
||
"Delete the displayed expression at current line."
|
||
(interactive)
|
||
(save-excursion
|
||
(set-buffer
|
||
(gdb-get-buffer 'gdb-display-buffer))
|
||
(beginning-of-line 1)
|
||
(if (not (looking-at "\\([0-9]+\\): \\([ny]\\)"))
|
||
(error "No expression on this line")
|
||
(let ((number (match-string 1)))
|
||
(gdb-enqueue-input
|
||
(list (concat "server delete display " number "\n") 'ignore))))))
|
||
|
||
(defvar gdb-expressions-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(suppress-keymap map)
|
||
(define-key map "v" 'gdb-array-visualise)
|
||
(define-key map "q" 'gdb-delete-expression)
|
||
(define-key map [mouse-3] 'gdb-expressions-popup-menu)
|
||
map))
|
||
|
||
(defvar gdb-expressions-mode-menu
|
||
'("GDB Expressions Commands"
|
||
"----"
|
||
["Visualise" gdb-array-visualise t]
|
||
["Delete" gdb-delete-expression t])
|
||
"Menu for `gdb-expressions-mode'.")
|
||
|
||
(defun gdb-expressions-popup-menu (event)
|
||
"Explicit Popup menu as this buffer doesn't have a menubar."
|
||
(interactive "@e")
|
||
(mouse-set-point event)
|
||
(popup-menu gdb-expressions-mode-menu))
|
||
|
||
(defun gdb-expressions-mode ()
|
||
"Major mode for display expressions.
|
||
|
||
\\{gdb-expressions-mode-map}"
|
||
(setq major-mode 'gdb-expressions-mode)
|
||
(setq mode-name "Expressions")
|
||
(use-local-map gdb-expressions-mode-map)
|
||
(make-local-variable 'gdb-display-number)
|
||
(make-local-variable 'gdb-values)
|
||
(make-local-variable 'gdb-expression)
|
||
(set (make-local-variable 'gdb-display-string) nil)
|
||
(set (make-local-variable 'gdb-dive-display-number) nil)
|
||
(set (make-local-variable 'gud-minor-mode) 'gdba)
|
||
(set (make-local-variable 'gdb-array-start) (make-vector 16 '-1))
|
||
(set (make-local-variable 'gdb-array-stop) (make-vector 16 '-1))
|
||
(set (make-local-variable 'gdb-array-size) (make-vector 16 '-1))
|
||
(setq buffer-read-only t))
|
||
|
||
|
||
;;;; Window management
|
||
|
||
;;; FIXME: This should only return true for buffers in the current gdb-proc
|
||
(defun gdb-protected-buffer-p (buffer)
|
||
"Is BUFFER a buffer which we want to leave displayed?"
|
||
(with-current-buffer buffer
|
||
(or gdb-buffer-type overlay-arrow-position)))
|
||
|
||
;;; The way we abuse the dedicated-p flag is pretty gross, but seems
|
||
;;; to do the right thing. Seeing as there is no way for Lisp code to
|
||
;;; get at the use_time field of a window, I'm not sure there exists a
|
||
;;; more elegant solution without writing C code.
|
||
|
||
(defun gdb-display-buffer (buf &optional size)
|
||
(let ((must-split nil)
|
||
(answer nil))
|
||
(unwind-protect
|
||
(progn
|
||
(walk-windows
|
||
'(lambda (win)
|
||
(if (or (eq gud-comint-buffer (window-buffer win))
|
||
(eq gdb-source-window win))
|
||
(set-window-dedicated-p win t))))
|
||
(setq answer (get-buffer-window buf))
|
||
(if (not answer)
|
||
(let ((window (get-lru-window)))
|
||
(if window
|
||
(progn
|
||
(set-window-buffer window buf)
|
||
(setq answer window))
|
||
(setq must-split t)))))
|
||
(walk-windows
|
||
'(lambda (win)
|
||
(if (or (eq gud-comint-buffer (window-buffer win))
|
||
(eq gdb-source-window win))
|
||
(set-window-dedicated-p win nil)))))
|
||
(if must-split
|
||
(let* ((largest (get-largest-window))
|
||
(cur-size (window-height largest))
|
||
(new-size (and size (< size cur-size) (- cur-size size))))
|
||
(setq answer (split-window largest new-size))
|
||
(set-window-buffer answer buf)))
|
||
answer))
|
||
|
||
(defun gdb-display-source-buffer (buffer)
|
||
(set-window-buffer gdb-source-window buffer)
|
||
gdb-source-window)
|
||
|
||
|
||
;;; Shared keymap initialization:
|
||
|
||
(defun gdb-display-gdb-buffer ()
|
||
(interactive)
|
||
(gdb-display-buffer
|
||
(gdb-get-create-buffer 'gdba)))
|
||
|
||
(let ((menu (make-sparse-keymap "GDB-Windows")))
|
||
(define-key gud-menu-map [displays]
|
||
`(menu-item "GDB-Windows" ,menu :visible (eq gud-minor-mode 'gdba)))
|
||
(define-key menu [gdb] '("Gdb" . gdb-display-gdb-buffer))
|
||
(define-key menu [locals] '("Locals" . gdb-display-locals-buffer))
|
||
(define-key menu [registers] '("Registers" . gdb-display-registers-buffer))
|
||
(define-key menu [frames] '("Stack" . gdb-display-stack-buffer))
|
||
(define-key menu [breakpoints] '("Breakpoints" . gdb-display-breakpoints-buffer))
|
||
(define-key menu [display] '("Display" . gdb-display-display-buffer))
|
||
(define-key menu [assembler] '("Assembler" . gdb-display-assembler-buffer)))
|
||
|
||
(defun gdb-frame-gdb-buffer ()
|
||
(interactive)
|
||
(switch-to-buffer-other-frame
|
||
(gdb-get-create-buffer 'gdba)))
|
||
|
||
(let ((menu (make-sparse-keymap "GDB-Frames")))
|
||
(define-key gud-menu-map [frames]
|
||
`(menu-item "GDB-Frames" ,menu :visible (eq gud-minor-mode 'gdba)))
|
||
(define-key menu [gdb] '("Gdb" . gdb-frame-gdb-buffer))
|
||
(define-key menu [locals] '("Locals" . gdb-frame-locals-buffer))
|
||
(define-key menu [registers] '("Registers" . gdb-frame-registers-buffer))
|
||
(define-key menu [frames] '("Stack" . gdb-frame-stack-buffer))
|
||
(define-key menu [breakpoints] '("Breakpoints" . gdb-frame-breakpoints-buffer))
|
||
(define-key menu [display] '("Display" . gdb-frame-display-buffer))
|
||
(define-key menu [assembler] '("Assembler" . gdb-frame-assembler-buffer)))
|
||
|
||
(defvar gdb-main-file nil "Source file from which program execution begins.")
|
||
|
||
;; layout for all the windows
|
||
(defun gdb-setup-windows ()
|
||
(gdb-display-locals-buffer)
|
||
(gdb-display-stack-buffer)
|
||
(delete-other-windows)
|
||
(gdb-display-breakpoints-buffer)
|
||
(gdb-display-display-buffer)
|
||
(delete-other-windows)
|
||
(split-window nil ( / ( * (window-height) 3) 4))
|
||
(split-window nil ( / (window-height) 3))
|
||
(split-window-horizontally)
|
||
(other-window 1)
|
||
(switch-to-buffer (gdb-locals-buffer-name))
|
||
(other-window 1)
|
||
(switch-to-buffer
|
||
(if gud-last-last-frame
|
||
(gud-find-file (car gud-last-last-frame))
|
||
(gud-find-file gdb-main-file)))
|
||
(setq gdb-source-window (get-buffer-window (current-buffer)))
|
||
(split-window-horizontally)
|
||
(other-window 1)
|
||
(switch-to-buffer (gdb-inferior-io-name))
|
||
(other-window 1)
|
||
(switch-to-buffer (gdb-stack-buffer-name))
|
||
(split-window-horizontally)
|
||
(other-window 1)
|
||
(switch-to-buffer (gdb-breakpoints-buffer-name))
|
||
(other-window 1))
|
||
|
||
(define-minor-mode gdb-many-windows
|
||
"Toggle the number of windows in the basic arrangement."
|
||
:group 'gud
|
||
:init-value nil
|
||
(gdb-restore-windows))
|
||
|
||
(defun gdb-restore-windows ()
|
||
"Restore the basic arrangement of windows used by gdba.
|
||
This arrangement depends on the value of `gdb-many-windows'."
|
||
(interactive)
|
||
(if gdb-many-windows
|
||
(progn
|
||
(switch-to-buffer gud-comint-buffer)
|
||
(delete-other-windows)
|
||
(gdb-setup-windows))
|
||
(switch-to-buffer gud-comint-buffer)
|
||
(delete-other-windows)
|
||
(split-window)
|
||
(other-window 1)
|
||
(switch-to-buffer
|
||
(if gud-last-last-frame
|
||
(gud-find-file (car gud-last-last-frame))
|
||
(gud-find-file gdb-main-file)))
|
||
(other-window 1)))
|
||
|
||
(defconst breakpoint-xpm-data "/* XPM */
|
||
static char *magick[] = {
|
||
/* columns rows colors chars-per-pixel */
|
||
\"12 12 2 1\",
|
||
\" c red\",
|
||
\"+ c None\",
|
||
/* pixels */
|
||
\"+++++ +++++\",
|
||
\"+++ +++\",
|
||
\"++ ++\",
|
||
\"+ +\",
|
||
\"+ +\",
|
||
\" \",
|
||
\" \",
|
||
\"+ +\",
|
||
\"+ +\",
|
||
\"++ ++\",
|
||
\"+++ +++\",
|
||
\"+++++ +++++\"
|
||
};"
|
||
"XPM file used for breakpoint icon.")
|
||
|
||
(defvar breakpoint-enabled-icon
|
||
(find-image `((:type xpm :data ,breakpoint-xpm-data)))
|
||
"Icon for enabled breakpoint in display margin")
|
||
(defvar breakpoint-disabled-icon
|
||
(find-image `((:type xpm :data ,breakpoint-xpm-data
|
||
:conversion laplace)))
|
||
"Icon for disabled breakpoint in display margin")
|
||
|
||
(defun gdb-reset ()
|
||
"Exit a debugging session cleanly by killing the gdb buffers and resetting
|
||
the source buffers."
|
||
(gdb-delete-frames '())
|
||
(dolist (buffer (buffer-list))
|
||
(if (not (eq buffer gud-comint-buffer))
|
||
(with-current-buffer buffer
|
||
(if (eq gud-minor-mode 'gdba)
|
||
(if (string-match "^\*.+*$" (buffer-name))
|
||
(kill-buffer nil)
|
||
(if (display-graphic-p)
|
||
(remove-images (point-min) (point-max))
|
||
(remove-strings (point-min) (point-max)))
|
||
(setq left-margin-width 0)
|
||
(setq gud-minor-mode nil)
|
||
(kill-local-variable 'tool-bar-map)
|
||
(setq gud-running nil)
|
||
(if (get-buffer-window (current-buffer))
|
||
(set-window-margins (get-buffer-window
|
||
(current-buffer))
|
||
left-margin-width
|
||
right-margin-width))))))))
|
||
|
||
(defun gdb-source-info ()
|
||
"Find the source file where the program starts and displays it with related
|
||
buffers."
|
||
(goto-char (point-min))
|
||
(when (search-forward "directory is " nil t)
|
||
(looking-at "\\S-*")
|
||
(setq gdb-cdir (match-string 0))
|
||
(search-forward "Located in ")
|
||
(looking-at "\\S-*")
|
||
(setq gdb-main-file (match-string 0))
|
||
;; Make sure we are not in the minibuffer window when we try to delete
|
||
;; all other windows.
|
||
(if (window-minibuffer-p (selected-window))
|
||
(other-window 1))
|
||
(delete-other-windows)
|
||
(if gdb-many-windows
|
||
(gdb-setup-windows)
|
||
(gdb-display-breakpoints-buffer)
|
||
(gdb-display-display-buffer)
|
||
(delete-other-windows)
|
||
(split-window)
|
||
(other-window 1)
|
||
(switch-to-buffer (gud-find-file gdb-main-file))
|
||
(setq gdb-source-window (get-buffer-window (current-buffer)))
|
||
(other-window 1))))
|
||
|
||
;;from put-image
|
||
(defun put-string (putstring pos &optional string area)
|
||
"Put string PUTSTRING in front of POS in the current buffer.
|
||
PUTSTRING is displayed by putting an overlay into the current buffer with a
|
||
`before-string' STRING that has a `display' property whose value is
|
||
PUTSTRING. STRING is defaulted if you omit it.
|
||
POS may be an integer or marker.
|
||
AREA is where to display the string. AREA nil or omitted means
|
||
display it in the text area, a value of `left-margin' means
|
||
display it in the left marginal area, a value of `right-margin'
|
||
means display it in the right marginal area."
|
||
(unless string (setq string "x"))
|
||
(let ((buffer (current-buffer)))
|
||
(unless (or (null area) (memq area '(left-margin right-margin)))
|
||
(error "Invalid area %s" area))
|
||
(setq string (copy-sequence string))
|
||
(let ((overlay (make-overlay pos pos buffer))
|
||
(prop (if (null area) putstring (list (list 'margin area) putstring))))
|
||
(put-text-property 0 (length string) 'display prop string)
|
||
(overlay-put overlay 'put-text t)
|
||
(overlay-put overlay 'before-string string))))
|
||
|
||
;;from remove-images
|
||
(defun remove-strings (start end &optional buffer)
|
||
"Remove strings between START and END in BUFFER.
|
||
Remove only images that were put in BUFFER with calls to `put-string'.
|
||
BUFFER nil or omitted means use the current buffer."
|
||
(unless buffer
|
||
(setq buffer (current-buffer)))
|
||
(let ((overlays (overlays-in start end)))
|
||
(while overlays
|
||
(let ((overlay (car overlays)))
|
||
(when (overlay-get overlay 'put-text)
|
||
(delete-overlay overlay)))
|
||
(setq overlays (cdr overlays)))))
|
||
|
||
(defun put-arrow (putstring pos &optional string area)
|
||
"Put arrow string PUTSTRING in front of POS in the current buffer.
|
||
PUTSTRING is displayed by putting an overlay into the current buffer with a
|
||
`before-string' \"gdb-arrow\" that has a `display' property whose value is
|
||
PUTSTRING. STRING is defaulted if you omit it.
|
||
POS may be an integer or marker.
|
||
AREA is where to display the string. AREA nil or omitted means
|
||
display it in the text area, a value of `left-margin' means
|
||
display it in the left marginal area, a value of `right-margin'
|
||
means display it in the right marginal area."
|
||
(setq string "gdb-arrow")
|
||
(let ((buffer (current-buffer)))
|
||
(unless (or (null area) (memq area '(left-margin right-margin)))
|
||
(error "Invalid area %s" area))
|
||
(setq string (copy-sequence string))
|
||
(let ((overlay (make-overlay pos pos buffer))
|
||
(prop (if (null area) putstring (list (list 'margin area) putstring))))
|
||
(put-text-property 0 (length string) 'display prop string)
|
||
(overlay-put overlay 'put-text t)
|
||
(overlay-put overlay 'before-string string))))
|
||
|
||
(defun remove-arrow (&optional buffer)
|
||
"Remove arrow in BUFFER.
|
||
Remove only images that were put in BUFFER with calls to `put-arrow'.
|
||
BUFFER nil or omitted means use the current buffer."
|
||
(unless buffer
|
||
(setq buffer (current-buffer)))
|
||
(let ((overlays (overlays-in (point-min) (point-max))))
|
||
(while overlays
|
||
(let ((overlay (car overlays)))
|
||
(when (string-equal (overlay-get overlay 'before-string) "gdb-arrow")
|
||
(delete-overlay overlay)))
|
||
(setq overlays (cdr overlays)))))
|
||
|
||
(defun gdb-array-visualise ()
|
||
"Visualise arrays and slices using graph program from plotutils."
|
||
(interactive)
|
||
(when (and (display-graphic-p) gdb-display-string)
|
||
(let ((n 0) m)
|
||
(catch 'multi-dimensional
|
||
(while (eq (aref gdb-array-start n) (aref gdb-array-stop n))
|
||
(setq n (+ n 1)))
|
||
(setq m (+ n 1))
|
||
(while (< m (length gdb-array-start))
|
||
(if (not (eq (aref gdb-array-start m) (aref gdb-array-stop m)))
|
||
(progn
|
||
(x-popup-dialog
|
||
t `(,(concat "Only one dimensional data can be visualised.\n"
|
||
"Use an array slice to reduce the number of\n"
|
||
"dimensions") ("OK" t)))
|
||
(throw 'multi-dimensional nil))
|
||
(setq m (+ m 1))))
|
||
(shell-command (concat "echo" gdb-display-string " | graph -a 1 "
|
||
(int-to-string (aref gdb-array-start n))
|
||
" -x "
|
||
(int-to-string (aref gdb-array-start n))
|
||
" "
|
||
(int-to-string (aref gdb-array-stop n))
|
||
" 1 -T X"))))))
|
||
|
||
(defun gdb-delete-expression ()
|
||
"Delete displayed expression and its frame."
|
||
(interactive)
|
||
(gdb-enqueue-input
|
||
(list (concat "server delete display " gdb-display-number "\n")
|
||
'ignore)))
|
||
|
||
;;
|
||
;; Assembler buffer.
|
||
;;
|
||
(gdb-set-buffer-rules 'gdb-assembler-buffer
|
||
'gdb-assembler-buffer-name
|
||
'gdb-assembler-mode)
|
||
|
||
(def-gdb-auto-updated-buffer gdb-assembler-buffer
|
||
gdb-invalidate-assembler
|
||
(concat "server disassemble " gdb-main-or-pc "\n")
|
||
gdb-assembler-handler
|
||
gdb-assembler-custom)
|
||
|
||
(defun gdb-assembler-custom ()
|
||
(let ((buffer (gdb-get-buffer 'gdb-assembler-buffer))
|
||
(gdb-arrow-position) (address) (flag))
|
||
(if gdb-current-address
|
||
(progn
|
||
(save-excursion
|
||
(set-buffer buffer)
|
||
(remove-arrow)
|
||
(goto-char (point-min))
|
||
(re-search-forward gdb-current-address)
|
||
(setq gdb-arrow-position (point))
|
||
(put-arrow "=>" gdb-arrow-position nil 'left-margin))))
|
||
;; remove all breakpoint-icons in assembler buffer before updating.
|
||
(save-excursion
|
||
(set-buffer buffer)
|
||
(if (display-graphic-p)
|
||
(remove-images (point-min) (point-max))
|
||
(remove-strings (point-min) (point-max))))
|
||
(save-excursion
|
||
(set-buffer (gdb-get-buffer 'gdb-breakpoints-buffer))
|
||
(goto-char (point-min))
|
||
(while (< (point) (- (point-max) 1))
|
||
(forward-line 1)
|
||
(if (looking-at "[^\t].*breakpoint")
|
||
(progn
|
||
(looking-at
|
||
"\\([0-9]*\\)\\s-*\\S-*\\s-*\\S-*\\s-*\\(.\\)\\s-*0x0\\(\\S-*\\)")
|
||
;; info break gives '0x0' (8 digit) while dump gives '0x' (7 digit)
|
||
(setq address (concat "0x" (match-string 3)))
|
||
(setq flag (char-after (match-beginning 2)))
|
||
(save-excursion
|
||
(set-buffer buffer)
|
||
(goto-char (point-min))
|
||
(if (re-search-forward address nil t)
|
||
(let ((start (progn (beginning-of-line) (- (point) 1)))
|
||
(end (progn (end-of-line) (+ (point) 1))))
|
||
(if (display-graphic-p)
|
||
(progn
|
||
(remove-images start end)
|
||
(if (eq ?y flag)
|
||
(put-image breakpoint-enabled-icon (point)
|
||
"breakpoint icon enabled"
|
||
'left-margin)
|
||
(put-image breakpoint-disabled-icon (point)
|
||
"breakpoint icon disabled"
|
||
'left-margin)))
|
||
(remove-strings start end)
|
||
(if (eq ?y flag)
|
||
(put-string "B" (point) "enabled" 'left-margin)
|
||
(put-string "b" (point) "disabled"
|
||
'left-margin))))))))))
|
||
(if gdb-current-address
|
||
(set-window-point (get-buffer-window buffer) gdb-arrow-position))))
|
||
|
||
(defvar gdb-assembler-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(suppress-keymap map)
|
||
map))
|
||
|
||
(defun gdb-assembler-mode ()
|
||
"Major mode for viewing code assembler.
|
||
|
||
\\{gdb-assembler-mode-map}"
|
||
(setq major-mode 'gdb-assembler-mode)
|
||
(setq mode-name "Assembler")
|
||
(setq left-margin-width 2)
|
||
(setq buffer-read-only t)
|
||
(use-local-map gdb-assembler-mode-map)
|
||
(gdb-invalidate-assembler)
|
||
(gdb-invalidate-breakpoints))
|
||
|
||
(defun gdb-assembler-buffer-name ()
|
||
(with-current-buffer gud-comint-buffer
|
||
(concat "*Machine Code " (gdb-get-target-string) "*")))
|
||
|
||
(defun gdb-display-assembler-buffer ()
|
||
(interactive)
|
||
(gdb-display-buffer
|
||
(gdb-get-create-buffer 'gdb-assembler-buffer)))
|
||
|
||
(defun gdb-frame-assembler-buffer ()
|
||
(interactive)
|
||
(switch-to-buffer-other-frame
|
||
(gdb-get-create-buffer 'gdb-assembler-buffer)))
|
||
|
||
(defun gdb-invalidate-frame-and-assembler (&optional ignored)
|
||
(gdb-invalidate-frames)
|
||
(gdb-invalidate-assembler))
|
||
|
||
(defun gdb-invalidate-breakpoints-and-assembler (&optional ignored)
|
||
(gdb-invalidate-breakpoints)
|
||
(gdb-invalidate-assembler))
|
||
|
||
(defvar gdb-prev-main-or-pc nil)
|
||
|
||
;; modified because if gdb-main-or-pc has changed value a new command
|
||
;; must be enqueued to update the buffer with the new output
|
||
(defun gdb-invalidate-assembler (&optional ignored)
|
||
(if (and (gdb-get-buffer 'gdb-assembler-buffer)
|
||
(or (not (member 'gdb-invalidate-assembler
|
||
(gdb-get-pending-triggers)))
|
||
(not (string-equal gdb-main-or-pc gdb-prev-main-or-pc))))
|
||
(progn
|
||
;; take previous disassemble command off the queue
|
||
(save-excursion
|
||
(set-buffer gud-comint-buffer)
|
||
(let ((queue gdb-idle-input-queue) (item))
|
||
(while queue
|
||
(setq item (car queue))
|
||
(if (equal (cdr item) '(gdb-assembler-handler))
|
||
(delete item gdb-idle-input-queue))
|
||
(setq queue (cdr queue)))))
|
||
(gdb-enqueue-idle-input
|
||
(list (concat "server disassemble " gdb-main-or-pc "\n")
|
||
'gdb-assembler-handler))
|
||
(gdb-set-pending-triggers
|
||
(cons 'gdb-invalidate-assembler
|
||
(gdb-get-pending-triggers)))
|
||
(setq gdb-prev-main-or-pc gdb-main-or-pc))))
|
||
|
||
(defun gdb-get-current-frame ()
|
||
(if (not (member 'gdb-get-current-frame (gdb-get-pending-triggers)))
|
||
(progn
|
||
(gdb-enqueue-idle-input
|
||
(list (concat "server frame\n") 'gdb-frame-handler))
|
||
(gdb-set-pending-triggers
|
||
(cons 'gdb-get-current-frame
|
||
(gdb-get-pending-triggers))))))
|
||
|
||
(defun gdb-frame-handler ()
|
||
(gdb-set-pending-triggers
|
||
(delq 'gdb-get-current-frame (gdb-get-pending-triggers)))
|
||
(save-excursion
|
||
(set-buffer (gdb-get-create-buffer 'gdb-partial-output-buffer))
|
||
(goto-char (point-min))
|
||
(if (looking-at "^#[0-9]*\\s-*0x\\S-* in \\(\\S-*\\)")
|
||
(setq gdb-current-frame (match-string 1))
|
||
(if (looking-at "^#[0-9]*\\s-*\\(\\S-*\\)")
|
||
(setq gdb-current-frame (match-string 1))))))
|
||
|
||
(provide 'gdb-ui)
|
||
|
||
;;; gdb-ui.el ends here
|