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;; Copyright (C) 2015-2017, 2019 Free Software Foundation, Inc
;; Author: Rocky Bernstein <rocky@gnu.org>
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; gdb debugger
(eval-when-compile (require 'cl-lib))
(require 'load-relative)
(require-relative-list '("../../common/regexp" "../../common/loc") "realgud-")
(defvar realgud-pat-hash)
(declare-function make-realgud-loc-pat 'realgud-regexp)
(defvar realgud:gdb-pat-hash (make-hash-table :test 'equal)
"Hash key is the what kind of pattern we want to match:
backtrace, prompt, etc. the values of a hash entry is a
realgud-loc-pat struct")
(declare-function make-realgud-loc "realgud-loc" (a b c d e f))
(defconst realgud:gdb-frame-file-regexp
(format "\\(.+\\):%s" realgud:regexp-captured-num))
;; Regular expression that describes a lldb location generally shown
;; before a command prompt. NOTE: we assume annotate 1!
;; For example:
;; /src/build/ruby-2.1.5/main.c:24:454:beg:0x55555557659f
(setf (gethash "loc" realgud:gdb-pat-hash)
(make-realgud-loc-pat
:regexp (format "^%s:%s:beg:0x\\([0-9a-f]+\\)"
realgud:gdb-frame-file-regexp realgud:regexp-captured-num)
:file-group 1
:line-group 2
:char-offset-group 3))
;; Regular expression that describes a gdb prompt
;; For example:
;; (gdb)
(setf (gethash "prompt" realgud:gdb-pat-hash)
(make-realgud-loc-pat
:regexp "^(gdb) "
))
;; Regular expression that describes a "breakpoint set" line
;; For example:
;; Breakpoint 1, main (argc=1, argv=0x7fffffffdbd8) at main.c:24
(setf (gethash "brkpt-set" realgud:gdb-pat-hash)
(list
(make-realgud-loc-pat
:regexp (format "^Breakpoint %s at 0x\\([0-9a-f]*\\): file \\(.+\\), line %s[.]\n"
realgud:regexp-captured-num realgud:regexp-captured-num)
:num 1
:file-group 3
:line-group 4)
;; Another breakpoint pattern seen
(make-realgud-loc-pat
:regexp (format "^Breakpoint %s, .* at \\(.+\\):%s[.]\n"
realgud:regexp-captured-num realgud:regexp-captured-num)
:num 1
:file-group 2
:line-group 3)
))
;; Regular expression that describes a debugger "delete" (breakpoint)
;; response.
;; For example:
;; Deleted breakpoint 1
;; Deleted breakpoints 1 2 3 4
(setf (gethash "brkpt-del" realgud:gdb-pat-hash)
(make-realgud-loc-pat
:regexp "^Deleted breakpoints? \\(\\([0-9]+ *\\)+\\)\n"
:num 1))
(defconst realgud:gdb-frame-start-regexp
"\\(?:^\\|\n\\)")
(defconst realgud:gdb-frame-num-regexp
(format "#%s " realgud:regexp-captured-num))
;; Regular expression that describes a gdb "backtrace" command line.
;; For example:
;; #0 main (argc=2, argv=0xbffff564, envp=0xbffff570) at main.c:935
;; #1 0xb7e9f4a5 in *__GI___strdup (s=0xbffff760 "/tmp/remake/remake") at strdup.c:42
;; #2 0x080593ac in main (argc=2, argv=0xbffff5a4, envp=0xbffff5b0)
;; at main.c:952
;; #46 0xb7f51b87 in vm_call_cfunc (th=0x804d188, reg_cfp=0xb7ba9e88, num=0,
;; recv=157798080, blockptr=0x0, me=0x80d12a0) at vm_insnhelper.c:410
(setf (gethash "debugger-backtrace" realgud:gdb-pat-hash)
(make-realgud-loc-pat
:regexp (concat realgud:gdb-frame-start-regexp
realgud:gdb-frame-num-regexp
"\\(?:.\\|\\(?:[\n] \\)\\)+[ ]+at "
realgud:gdb-frame-file-regexp
)
:num 1
:file-group 2
:line-group 3)
)
;; FIXME breakpoints aren't locations. It should be a different structure
;; Regular expression that describes a gdb "info breakpoint" line
;; For example:
;; 1 breakpoint keep y 0x0000000000401471 in vcdnav_get_entries at ctest.c:67
(setf (gethash "debugger-breakpoint" realgud:gdb-pat-hash)
(make-realgud-loc-pat
:regexp (format "^%s[ \t]+\\(breakpoint\\)[ \t]+\\(keep\\|del\\)[ \t]+\\([yn]\\)[ \t]+.*at \\(.+\\):%s"
realgud:regexp-captured-num realgud:regexp-captured-num)
:num 1
:text-group 2 ;; misnamed Is "breakpoint" or "watchpoint"
:string 3 ;; misnamed. Is "keep" or "del"
;; Enable is missing
;; Skipped address
:file-group 5
:line-group 6)
)
(setf (gethash "font-lock-keywords" realgud:gdb-pat-hash)
'(
;; #2 0x080593ac in main (argc=2, argv=0xbffff5a4, envp=0xbffff5b0)
;; at main.c:952
("[ \n]+at \\(.*\\):\\([0-9]+\\)"
(1 realgud-file-name-face)
(2 realgud-line-number-face))
;; The frame number and first type name, if present.
;; E.g. =>#0 Makefile.in at /tmp/Makefile:216
;; ---^
( "#\\(?:^\\|\n\\)\\([0-9]+\\) "
(1 realgud-backtrace-number-face))
))
(setf (gethash "font-lock-breakpoint-keywords" realgud:gdb-pat-hash)
'(
;; The breakpoint number, type and disposition
;; 1 breakpoint keep y 0x0000000000401471 in vcdnav_get_entries at ctest.c:67
;; ^ ^^^^^^^^^^ ^^^^
("^\\([0-9]+\\)[ \t]+\\(breakpoint\\)[ \t]+\\(keep\\|del\\)"
(1 realgud-breakpoint-number-face)
(2 font-lock-function-name-face nil t) ; t means optional.
(3 font-lock-function-name-face nil t)) ; t means optional.
;; 1 breakpoint keep y 0x0000000000401471 in vcdnav_get_entries at ctest.c:67
;; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^
(" in[ \t]+\\(.+*\\):\\([0-9]+\\)"
(1 realgud-file-name-face)
(2 realgud-line-number-face))
))
(setf (gethash "gdb" realgud-pat-hash) realgud:gdb-pat-hash)
;; Prefix used in variable names (e.g. short-key-mode-map) for
;; this debugger
(setf (gethash "gdb" realgud:variable-basename-hash) "realgud:gdb")
(defvar realgud:gdb-command-hash (make-hash-table :test 'equal)
"Hash key is command name like 'continue' and the value is
the gdb command to use, like 'continue'.")
(setf (gethash "break" realgud:gdb-command-hash) "break %X:%l")
(setf (gethash "clear" realgud:gdb-command-hash) "clear %X:%l")
(setf (gethash "continue" realgud:gdb-command-hash) "continue")
(setf (gethash "delete" realgud:gdb-command-hash) "delete %p")
(setf (gethash "eval" realgud:gdb-command-hash) "print %s")
(setf (gethash "quit" realgud:gdb-command-hash) "quit")
(setf (gethash "run" realgud:gdb-command-hash) "run")
(setf (gethash "step" realgud:gdb-command-hash) "step %p")
(setf (gethash "gdb" realgud-command-hash) realgud:gdb-command-hash)
(setf (gethash "gdb" realgud-pat-hash) realgud:gdb-pat-hash)
(provide-me "realgud:gdb-")