9:37 p.m.
================================================================
Dear Bug Team!
I'm upgrading from 21.1.14 to 21.4.14; oo-browser fails with a "Stack
overflow in regexp matcher" error when I try to build the environment
for my project. The problem seems to be related to C++ constructors
with long initializer lists. I've put together a dummy constructor
(attached below) which demonstrates the problem, as follows:
mkdir /tmp/dummy
[save the attached file dummy.cpp in /tmp/dummy]
xemacs -vanilla
ESC-x load-library br-start
ESC-x oo-browser
Load/Create OO-Browser Env named: dummy
[return] (to select default environment file)
1 (to select C++/C)
Top-level system-specific code dir #1 (RET to end): /tmp/dummy
[return] (to end system direcories)
[return] (to end library directories)
y (to build environment now)
n (to build environment in foreground)
Note that if I shorten the initializer list, either by shortening the
member names from `_dataMember' to `_member' or by removing the last
10 data members the problem goes away.
Following the attached file is the stack trace.
I hope I've provided adequate information; if not, please let me know.
Thank you.
Bill Oakley
--------------------------- begin dummy.cpp ---------------------------
Dummy::Dummy() :
_dataMember0(param1, param2),
_dataMember1(param1, param2),
_dataMember2(param1, param2),
_dataMember3(param1, param2),
_dataMember4(param1, param2),
_dataMember5(param1, param2),
_dataMember6(param1, param2),
_dataMember7(param1, param2),
_dataMember8(param1, param2),
_dataMember9(param1, param2),
_dataMember10(param1, param2),
_dataMember11(param1, param2),
_dataMember12(param1, param2),
_dataMember13(param1, param2),
_dataMember14(param1, param2),
_dataMember15(param1, param2),
_dataMember16(param1, param2),
_dataMember17(param1, param2),
_dataMember18(param1, param2),
_dataMember19(param1, param2),
_dataMember20(param1, param2),
_dataMember21(param1, param2),
_dataMember22(param1, param2),
_dataMember23(param1, param2),
_dataMember24(param1, param2),
_dataMember25(param1, param2),
_dataMember26(param1, param2),
_dataMember27(param1, param2),
_dataMember28(param1, param2),
_dataMember29(param1, param2),
_dataMember30(param1, param2),
_dataMember31(param1, param2),
_dataMember32(param1, param2),
_dataMember33(param1, param2),
_dataMember34(param1, param2),
_dataMember35(param1, param2),
_dataMember36(param1, param2),
_dataMember37(param1, param2),
_dataMember38(param1, param2),
_dataMember39(param1, param2),
_dataMember40(param1, param2),
_dataMember41(param1, param2),
_dataMember42(param1, param2),
_dataMember43(param1, param2),
_dataMember44(param1, param2),
_dataMember45(param1, param2),
_dataMember46(param1, param2),
_dataMember47(param1, param2),
_dataMember48(param1, param2),
_dataMember49(param1, param2),
_dataMember50(param1, param2),
_dataMember51(param1, param2),
_dataMember52(param1, param2),
_dataMember53(param1, param2),
_dataMember54(param1, param2),
_dataMember55(param1, param2),
_dataMember56(param1, param2),
_dataMember57(param1, param2),
_dataMember58(param1, param2),
_dataMember59(param1, param2),
_dataMember60(param1, param2),
_dataMember61(param1, param2),
_dataMember62(param1, param2),
_dataMember63(param1, param2),
_dataMember64(param1, param2),
_dataMember65(param1, param2),
_dataMember66(param1, param2),
_dataMember67(param1, param2),
_dataMember68(param1, param2),
_dataMember69(param1, param2),
_dataMember70(param1, param2),
_dataMember71(param1, param2),
_dataMember72(param1, param2),
_dataMember73(param1, param2),
_dataMember74(param1, param2),
_dataMember75(param1, param2),
_dataMember76(param1, param2),
_dataMember77(param1, param2),
_dataMember78(param1, param2),
_dataMember79(param1, param2),
_dataMember80(param1, param2),
_dataMember81(param1, param2),
_dataMember82(param1, param2),
_dataMember83(param1, param2),
_dataMember84(param1, param2),
_dataMember85(param1, param2),
_dataMember86(param1, param2),
_dataMember87(param1, param2),
_dataMember88(param1, param2),
_dataMember89(param1, param2),
_dataMember90(param1, param2),
_dataMember91(param1, param2),
_dataMember92(param1, param2),
_dataMember93(param1, param2),
_dataMember94(param1, param2),
_dataMember95(param1, param2),
_dataMember96(param1, param2),
_dataMember97(param1, param2),
_dataMember98(param1, param2),
_dataMember99(param1, param2)
{
}
---------------------------- end dummy.cpp ----------------------------
--------------------------- begin backtrace ---------------------------
# bind (standard-output stack-trace-on-signal debug-on-signal stack-trace-on-error
debug-on-error)
re-search-forward("^\\(template[ \n
]*<[^>;.{}]+>[ \n
]*\\)?\\(\\(\\(\\(auto\\|const\\|explicit\\|extern[ \n
]+\"[^\"]+\"\\|extern\\|friend\\|inline\\|mutable\\|overload\\|register\\|static\\|typedef\\|typename\\|unsigned\\|virtual\\)[
\n
]+\\)*\\)\\(\\([[_<a-zA-Z][]_a-zA-Z0-9]*[ \n
]*\\(::[ \n
]*[]_a-zA-Z0-9]+\\)?[ \n
]*<[_<>a-zA-Z0-9 ,]+>[ \n
]*[*&]*\\|[[_<a-zA-Z][]_<>a-zA-Z0-9]*\\([ \n
]*::[ \n
]*[[<a-zA-Z][]_<>a-zA-Z0-9]+\\)?[ \n
]*[*&]*\\)[*& \n
]+\\)\\)?\\(\\([ \n
]*::\\|[[_<a-zA-Z][]_a-zA-Z0-9]*[ \n
]*<[^>;{}]+>[ \n
]*[*&]*[ \n
]*::\\|[[_<a-zA-Z][]_~<>a-zA-Z0-9]*[ \n
]*[*&]*[ \n
]*::\\)[ \n
]*\\)?\\(operator[ \n
]*[^ \n
:;.,?~{}]+\\([ \n
]*\\[\\]\\)?\\|[_~<a-zA-Z][^][ \n
:;.,~{}()]*\\|[*&]?\\([_~<a-zA-Z][_a-zA-Z0-9]*[ \n
]*<[^>;{}]+[ \n
]*>\\|[_~<a-zA-Z][_~<>a-zA-Z0-9]*\\)\\)[ \n
]*\\(\\(([^-+!:{};]*)\\|([^-+!(){};]*)\\)\\(\\)\\(\\([ \n
]+const\\|[ \n
]+mutable\\|[ \n
]+restrict\\)?\\([ \n
]*:[^;{]+\\|[ \n
]*=[ ]*0\\)?\\)?\\)\\([ \n
]*//.*[\n
]\\|[ \n
]*/\\*.*\\*/\\)*[ \n
]*\\({\\)" nil t)
# bind (routines class type name rout)
# (unwind-protect ...)
c++-scan-features()
# (unwind-protect ...)
# (unwind-protect ...)
# bind (class-name-end classes class has-parents open-brace-point parents parent-cons
signatures skip-tags-cleanup skip-tags filename)
br-get-classes-from-source("/tmp/dummy/dummy.cpp" nil t)
# bind (f)
#<compiled-function (f) "...(78)" [default-directory br-parents-alist
br-paths-alist parents classes f file-readable-p message "Scanning %s in %s ..."
file-name-nondirectory br-abbreviate-file-name file-name-directory
br-get-classes-from-source nil t append "(OO-Browser): Unreadable file: %s in
%s" sit-for 1 paths-parents-cons] 7>("/tmp/dummy/dummy.cpp")
mapcar(#<compiled-function (f) "...(78)" [default-directory
br-parents-alist br-paths-alist parents classes f file-readable-p message "Scanning
%s in %s ..." file-name-nondirectory br-abbreviate-file-name file-name-directory
br-get-classes-from-source nil t append "(OO-Browser): Unreadable file: %s in
%s" sit-for 1 paths-parents-cons] 7> ("/tmp/dummy/dummy.cpp"))
# bind (files dir)
br-search-directory("/tmp/dummy/" ("/tmp/dummy/OOBR"
"/tmp/dummy/dummy.cpp"))
# bind (dir)
#<compiled-function (dir) "...(81)" [br-file-dir-regexp subdirectories-flag
search-dir-func files dir "" file-name-as-directory file-symlink-p
directory-file-name br-skip-dir-p file-directory-p file-readable-p directory-files t
message "Scanning %s in %s ..." file-name-nondirectory br-abbreviate-file-name
file-name-directory br-real-build-al mapcar #<compiled-function ... "...(7)"
... 2>] 8>("/tmp/dummy/")
mapcar(#<compiled-function (dir) "...(81)" [br-file-dir-regexp
subdirectories-flag search-dir-func files dir "" file-name-as-directory
file-symlink-p directory-file-name br-skip-dir-p file-directory-p file-readable-p
directory-files t message "Scanning %s in %s ..." file-name-nondirectory
br-abbreviate-file-name file-name-directory br-real-build-al mapcar #<compiled-function
... "...(7)" ... 2>] 8> ("/tmp/dummy/"))
# bind (search-dir-func subdirectories-flag search-dirs)
br-real-build-al(("/tmp/dummy/") nil br-search-directory)
# bind (inhibit-local-variables enable-local-variables files noninteractive
br-view-file-function classes parents paths-parents-cons search-dirs)
br-real-build-alists(("/tmp/dummy/"))
br-build-sys-htable()
# bind (no-load background-flag env-name env-file)
br-env-build("/tmp/dummy/OOBR" "dummy" prompt t)
# bind (dir prompt env-name env-file)
br-env-cond-build("/tmp/dummy/OOBR" "dummy" "Build Environment
`%s' now? ")
# (unwind-protect ...)
# bind (br-loaded no-build prompt env-name env-file)
br-env-load("/tmp/dummy/OOBR" "dummy" t nil)
# bind (br-loaded no-build prompt env-name env-file)
br-env-load("/tmp/dummy/OOBR" nil prompt nil)
# bind (default-file env-file)
br-env-try-load("/tmp/dummy/OOBR" "OOBR")
# bind (same-env same-lang env-file)
br-env-init("/tmp/dummy/OOBR" nil nil)
# bind (same-lang load-succeeded same-env no-ui env-file)
c++-browse("/tmp/dummy/OOBR")
# bind (env-name env-file)
#<compiled-function (env-file &optional env-name) "...(74)"
[lang-string file-name-cons env-name env-file br-env-validate-arg-strings
"br-env-browse" br-name-get-env-file br-name-add file-exists-p file-readable-p
error "(br-env-browse): Env file `%s' is unreadable." intern-soft
br-env-select-lang "browse" br-env-read-language-prefix "(br-env-browse):
Invalid env file: `%s'"] 5
("/puddle/scratch/billo/xemacs/lib/xemacs/xemacs-packages/lisp/oo-browser/br-env.elc"
. 1079) (byte-code "Å ÆÇÈ\"É !®Ê Ëa¬
Ìk«ÍªÎÏ \"\nÐ !# Ëa«Ë D" [br-env-name br-env-default-file default-directory env-file env-name
br-names-initialize br-name-read "Load/Create OO-Browser Env named: " nil
br-name-get-env-file br-env-read-file-name t "" "Load/Create unnamed
OO-Browser Env file: " format "Associate `%s' with file: "
expand-file-name] 5)>("/tmp/dummy/OOBR" "dummy")
call-interactively(br-env-browse)
# bind (same-env-flag)
#<compiled-function (&optional same-env-flag) "...(20)" [br-env-file
same-env-flag br-lang-prefix intern-soft "browse" call-interactively
br-env-browse] 3
("/puddle/scratch/billo/xemacs/lib/xemacs/xemacs-packages/lisp/oo-browser/br-start.elc"
. 3592) (list (prog1 ... ...))>(nil)
call-interactively(oo-browser)
command-execute(oo-browser t)
# bind (_execute_command_keys_ _execute_command_name_ prefix-arg)
execute-extended-command(nil)
# bind (command-debug-status)
call-interactively(execute-extended-command)
# (condition-case ... . error)
# (catch top-level ...)
---------------------------- end backtrace ----------------------------
================================================================
System Info to help track down your bug:
---------------------------------------
uname -a: SunOS puddle 5.8 Generic_108528-19 sun4u sparc SUNW,Sun-Blade-100
./configure '--pdump' '--prefix=/puddle/scratch/billo/xemacs'
'--x-includes=/usr/local/X11/include' '--x-libraries=/usr/local/X11/lib'
'--with-mule=no' '--with-athena=3d' '--with-widgets=athena'
'--with-dialogs=athena' '--with-xpm=yes'
XEmacs 21.4.14 "Reasonable Discussion" configured for
`sparc-sun-solaris2.8'.
Compilation / Installation:
Source code location: /puddle/scratch/billo/xemacs-21.4.14
Installation prefix: /puddle/scratch/billo/xemacs
Runtime library search path: /usr/ccs/lib:/usr/local/X11/lib:/usr/local/gnu/lib
Operating system description file: `s/sol2.h'
Machine description file: `m/sparc.h'
Compiler: gcc -g -O3 -Wall -Wno-switch -Winline
-Wmissing-prototypes -Wsign-compare -fno-strict-aliasing -Wshadow -Wpointer-arith
Relocating allocator for buffers: yes
GNU version of malloc: yes
Window System:
Compiling in support for the X window system:
- X Windows headers location: /usr/local/X11/include
- X Windows libraries location: /usr/local/X11/lib
- Handling WM_COMMAND properly.
Compiling in support for the Athena widget set:
- Athena headers location: X11/Xaw3d
- Athena library to link: Xaw3d
Using Lucid menubars.
Using Lucid scrollbars.
Using Athena dialog boxes.
Using Athena native widgets.
TTY:
Images:
Compiling in support for GIF images (builtin).
Compiling in support for XPM images.
Compiling in support for PNG images.
Compiling in support for JPEG images.
Compiling in support for TIFF images.
Sound:
Compiling in support for sound (native).
Databases:
Compiling in support for GNU DBM.
Compiling in support for LDAP.
Internationalization:
Mail:
Compiling in support for "dot-locking" mail spool file locking method.
Other Features:
Inhibiting IPv6 canonicalization at startup.
Compiling in support for dynamic shared object modules.
Using the new portable dumper.
Load-Path Lisp Shadows:
----------------------
(/home/staff/billo/local/lib/emacs/my-gnus-split-spam
/home/staff/billo/local/lib/emacs/lastgood/my-gnus-split-spam
/home/staff/billo/local/lib/emacs/backup-dir
/puddle/scratch/billo/xemacs/lib/xemacs/xemacs-packages/lisp/edit-utils/backup-dir
/home/staff/billo/local/lib/emacs/compat
/puddle/scratch/billo/xemacs/lib/xemacs-21.4.14/lisp/compat
/puddle/scratch/billo/xemacs/lib/xemacs/xemacs-packages/lisp/build/build-report
/puddle/scratch/billo/xemacs/lib/xemacs-21.4.14/lisp/build-report)
Installed XEmacs Packages:
-------------------------
((zenirc:version 1.13 :type regular)
(xslt-process :version 1.11 :type regular)
(xslide :version 1.08 :type regular)
(xemacs-devel :version 1.58 :type single-file)
(xemacs-base :version 1.78 :type regular)
(x-symbol :version 1.05 :type regular)
(w3 :version 1.28 :type regular)
(vm :version 7.14 :type regular)
(viper :version 1.36 :type regular)
(view-process :version 1.12 :type regular)
(vhdl :version 1.17 :type regular)
(vc-cc :version 1.21 :type regular)
(vc :version 1.37 :type regular)
(tramp :version 1.16 :type regular)
(tpu :version 1.12 :type regular)
(tooltalk :version 1.13 :type regular)
(tm :version 1.36 :type regular)
(time :version 1.13 :type regular)
(textools :version 1.14 :type regular)
(text-modes :version 1.63 :type single-file)
(texinfo :version 1.24 :type regular)
(supercite :version 1.19 :type regular)
(strokes :version 1.08 :type regular)
(speedbar :version 1.26 :type regular)
(sounds-wav :version 1.1 :type regular)
(sounds-au :version 1.1 :type regular)
(sml-mode :version 0.09 :type regular)
(slider :version 1.13 :type regular)
(sieve :version 1.13 :type regular)
(sh-script :version 1.17 :type regular)
(sgml :version 1.08 :type regular)
(semantic :version 1.17 :type regular)
(scheme :version 1.13 :type regular)
(sasl :version 1.13 :type regular)
(ruby-modes :version 1.01 :type regular)
(rmail :version 1.13 :type regular)
(reftex :version 1.3 :type regular)
(python-modes :version 1.02 :type single-file)
(psgml-dtds :version 1.02 :type regular)
(psgml :version 1.41 :type regular)
(ps-print :version 1.08 :type regular)
(prog-modes
:version
1
.83
:type
single-file)
(pgg :version 1.03 :type regular)
(perl-modes :version 1.04 :type single-file)
(pcomplete :version 1.02 :type regular)
(pcl-cvs :version 1.64 :type regular)
(pc :version 1.25 :type single-file)
(os-utils :version 1.32 :type single-file)
(oo-browser :version 1.03 :type regular)
(ocaml :version 0.04 :type regular)
(net-utils :version 1.32 :type single-file)
(mule-ucs :version 1.04 :type regular)
(mule-base :version 1.43 :type regular)
(mmm-mode :version 1.0 :type regular)
(misc-games :version 1.16 :type single-file)
(mine :version 1.14 :type regular)
(mh-e :version 1.23 :type regular)
(mew :version 1.17 :type regular)
(mailcrypt :version 2.12 :type regular)
(mail-lib :version 1.6 :type regular)
(locale :version 1.2 :type regular)
(liece :version 1.12 :type regular)
(leim :version 1.21 :type regular)
(jde :version 1.45 :type regular)
(ispell :version 1.24 :type regular)
(ilisp :version 1.32 :type regular)
(igrep :version 1.1 :type regular)
(idlwave :version 1.3 :type regular)
(ibuffer :version 1.08 :type regular)
(hyperbole :version 1.12 :type regular)
(hm--html-menus :version 1.21 :type regular)
(haskell-mode :version 1.05 :type regular)
(gnus :version 1.71 :type regular)
(gnats :version 1.15 :type regular)
(games :version 1.14 :type regular)
(fsf-compat :version 1.12 :type single-file)
(frame-icon :version 1.09 :type regular)
(fortran-modes :version 1.02 :type single-file)
(forms :version 1.14 :type regular)
(footnote :version 1.15 :type regular)
(eudc :version 1.38 :type regular)
(eterm :version 1.13 :type regular)
(ess :version 1.04 :type regular)
(eshell :version 1.05 :type regular)
(emerge :version 1.09 :type regular)
(elib :version 1.1 :type single-file)
(eieio :version 1.04 :type regular)
(egg-its :version 1.26 :type regular)
(efs :version 1.29 :type regular)
(edt :version 1.12 :type regular)
(edit-utils :version 2.07 :type single-file)
(ediff :version 1.47 :type regular)
(edict :version 1.15 :type regular)
(edebug :version 1.18 :type regular)
(ecrypto :version 0.13 :type regular)
(ecb :version 1.1 :type regular)
(docbookide :version 0.06 :type regular)
(dired :version 1.13 :type regular)
(dictionary :version 1.12 :type regular)
(debug :version 1.16 :type regular)
(crisp :version 1.12 :type regular)
(cookie :version 1.14 :type regular)
(clearcase :version 1.06 :type regular)
(cc-mode :version 1.39 :type regular)
(calendar :version 1.21 :type regular)
(calc :version 1.23 :type regular)
(c-support :version 1.16 :type single-file)
(build :version 1.1 :type regular)
(bbdb :version 1.23 :type regular)
(auctex :version 1.35 :type regular)
(apel :version 1.26 :type regular)
(ada :version 1.13 :type regular)
(Sun :version 1.13 :type regular))
Installed Modules:
-----------------
Features:
--------
(mail-abbrevs hsmail view-less view xemacsbug shadow sendmail rfc822
c++-mode cc-mode cc-fonts cc-menus cc-cmds cc-styles cc-align
cc-engine cc-vars cc-defs regexp-opt c++-browse br-c++-ft br-c++
func-menu efs-cu br-env br-name br-start br-site hmouse-br br br-tree
br-lib hpath hasht br-compl br-ftr br-c-ft br-menu hyperbole
browse-url hmouse-key h-skip-bytec hmouse-drv hypb hact hhist hvar set
br-init hversion dired-faces dired-xemacs dired cus-edit cus-load
wid-edit advice advice-preload uniquify paren blink-paren completer
font-lock balloon-help crypt crypt++ time cus-face backup-dir
zenirc-autoloads xslt-process-autoloads xslide-autoloads
xemacs-devel-autoloads xemacs-base-autoloads x-symbol-autoloads
w3-autoloads vm-autoloads viper-autoloads view-process-autoloads
vhdl-autoloads vc-cc-autoloads vc-autoloads tramp-autoloads
tpu-autoloads tooltalk-autoloads tm-autoloads time-autoloads
textools-autoloads text-modes-autoloads texinfo-autoloads
supercite-autoloads strokes-autoloads speedbar-autoloads
sounds-wav-autoloads sounds-au-autoloads sml-mode-autoloads
slider-autoloads sieve-autoloads sh-script-autoloads sgml-autoloads
semantic-autoloads scheme-autoloads sasl-autoloads
ruby-modes-autoloads rmail-autoloads reftex-autoloads
python-modes-autoloads psgml-dtds-autoloads psgml-autoloads
ps-print-autoloads prog-modes-autoloads pgg-autoloads
perl-modes-autoloads pcomplete-autoloads pcl-cvs-autoloads
pc-autoloads os-utils-autoloads oo-browser-autoloads ocaml-autoloads
net-utils-autoloads mule-ucs-autoloads mule-base-autoloads
mmm-mode-autoloads misc-games-autoloads mine-autoloads mh-e-autoloads
mew-autoloads mailcrypt-autoloads mail-lib-autoloads locale-autoloads
liece-autoloads leim-autoloads jde-autoloads ispell-autoloads
ilisp-autoloads igrep-autoloads idlwave-autoloads ibuffer-autoloads
hyperbole-autoloads hm--html-menus-autoloads haskell-mode-autoloads
gnus-autoloads gnats-autoloads games-autoloads fsf-compat-autoloads
frame-icon-autoloads fortran-modes-autoloads forms-autoloads
footnote-autoloads eudc-autoloads eterm-autoloads ess-autoloads
eshell-autoloads emerge-autoloads elib-autoloads eieio-autoloads
egg-its-autoloads efs-autoloads edt-autoloads edit-utils-autoloads
ediff-autoloads edict-autoloads edebug-autoloads ecrypto-autoloads
ecb-autoloads docbookide-autoloads dired-autoloads
dictionary-autoloads debug-autoloads crisp-autoloads cookie-autoloads
clearcase-autoloads cc-mode-autoloads calendar-autoloads
calc-autoloads c-support-autoloads build-autoloads bbdb-autoloads
auctex-autoloads apel-autoloads ada-autoloads Sun-autoloads
lisp-autoloads loadhist auto-show fontl-hooks x-iso8859-1 gutter-items
menubar-items x-menubar mode-motion mouse itimer auto-save lisp-mode
easymenu iso8859-1 page buff-menu lib-complete help-nomule cus-file
derived frame text-props obsolete cus-start custom widget cl-extra
mini-cl cl cl-19 packages backquote very-early-lisp lucid-scrollbars
cut-buffer lucid-menubars athena-dialogs x c-balloon-help tty-frames
tty toolbar native-sound scrollbar unix-processes multicast
network-streams subprocesses modules menu-accelerator-support menubar
dbm md5 xemacs gutter tiff png gif jpeg xpm xbm lisp-float-type
usg-unix-v dialog devices window-system base64)
Recent keystrokes:
-----------------
w s e r RET b u i l d s 2 RET RET 1 RET / p r o SPC
C-h C-h C-h C-h C-h RET / p r o j / r i v SPC s t SPC
b i l SPC b u SPC 2 RET RET RET y n C-x 0 C-x h ESC
w C-x b B a c k t r a c e RET C-y ESC K < C-x u C-x
u C-g C-x 1 C-y ESC y ESC < ESC x r e p o r t - x e
SPC RET
Recent messages (most recent first):
-----------------------------------
Parsing /home/staff/billo/.mailrc...
Loading view-less...done
Loading view-less...
Loading xemacsbug...done
Loading xemacsbug...
Quit
Stack overflow in regexp matcher
Loading Environment...Done
Scanning SplyMgrDlg.cpp in /projects/riverware/staff/billo/builds2/AccountingGUI/ ...
Build Environment in the background? (y or n) No
Build Environment in the background? (y or n)
Build Environment `builds2' now? (y or n) Yes
Build Environment `builds2' now? (y or n)
Loading /projects/riverware/staff/billo/builds2/OOBR...done
Loading /projects/riverware/staff/billo/builds2/OOBR...
Loading Environment...
Wrote /projects/riverware/staff/billo/builds2/OOBR
(New file)
Loading /home/staff/billo/.oo-browser...done
Loading /home/staff/billo/.oo-browser...
4:14 p.m.
As OO-Browser maintainer I suppose I should at least reply to this message.
All I can really tell you, however, is that OO-Browser source has not been
modified in quite a few years - other than for some minor tweaks to make it
an XEmacs package. That being said, it would be useful to know whether this
is only broken in 21.4.14 or also with 21.4.13.
Can anyone here shed any light on what Bill can do to solve his regexp
problem? Is there anything I can explor in OO-Browser's source that I can do
mitigate the problem?
>>>> "BO" == Bill Oakley
<William.Oakley(a)Colorado.EDU> writes:
BO> ================================================================
BO> Dear Bug Team!
BO> I'm upgrading from 21.1.14 to 21.4.14; oo-browser fails with a "Stack
BO> overflow in regexp matcher" error when I try to build the environment
BO> for my project. The problem seems to be related to C++ constructors
BO> with long initializer lists. I've put together a dummy constructor
BO> (attached below) which demonstrates the problem, as follows:
BO> mkdir /tmp/dummy
BO> [save the attached file dummy.cpp in /tmp/dummy]
BO> xemacs -vanilla
BO> ESC-x load-library br-start
BO> ESC-x oo-browser
BO> Load/Create OO-Browser Env named: dummy
BO> [return] (to select default environment file)
BO> 1 (to select C++/C)
BO> Top-level system-specific code dir #1 (RET to end): /tmp/dummy
BO> [return] (to end system direcories)
BO> [return] (to end library directories)
BO> y (to build environment now)
BO> n (to build environment in foreground)
BO> Note that if I shorten the initializer list, either by shortening the
BO> member names from `_dataMember' to `_member' or by removing the last
BO> 10 data members the problem goes away.
BO> Following the attached file is the stack trace.
BO> I hope I've provided adequate information; if not, please let me know.
BO> Thank you.
BO> Bill Oakley
BO> --------------------------- begin dummy.cpp ---------------------------
BO> Dummy::Dummy() :
BO> _dataMember0(param1, param2),
BO> _dataMember1(param1, param2),
BO> _dataMember2(param1, param2),
BO> _dataMember3(param1, param2),
BO> _dataMember4(param1, param2),
BO> _dataMember5(param1, param2),
BO> _dataMember6(param1, param2),
BO> _dataMember7(param1, param2),
BO> _dataMember8(param1, param2),
BO> _dataMember9(param1, param2),
BO> _dataMember10(param1, param2),
BO> _dataMember11(param1, param2),
BO> _dataMember12(param1, param2),
BO> _dataMember13(param1, param2),
BO> _dataMember14(param1, param2),
BO> _dataMember15(param1, param2),
BO> _dataMember16(param1, param2),
BO> _dataMember17(param1, param2),
BO> _dataMember18(param1, param2),
BO> _dataMember19(param1, param2),
BO> _dataMember20(param1, param2),
BO> _dataMember21(param1, param2),
BO> _dataMember22(param1, param2),
BO> _dataMember23(param1, param2),
BO> _dataMember24(param1, param2),
BO> _dataMember25(param1, param2),
BO> _dataMember26(param1, param2),
BO> _dataMember27(param1, param2),
BO> _dataMember28(param1, param2),
BO> _dataMember29(param1, param2),
BO> _dataMember30(param1, param2),
BO> _dataMember31(param1, param2),
BO> _dataMember32(param1, param2),
BO> _dataMember33(param1, param2),
BO> _dataMember34(param1, param2),
BO> _dataMember35(param1, param2),
BO> _dataMember36(param1, param2),
BO> _dataMember37(param1, param2),
BO> _dataMember38(param1, param2),
BO> _dataMember39(param1, param2),
BO> _dataMember40(param1, param2),
BO> _dataMember41(param1, param2),
BO> _dataMember42(param1, param2),
BO> _dataMember43(param1, param2),
BO> _dataMember44(param1, param2),
BO> _dataMember45(param1, param2),
BO> _dataMember46(param1, param2),
BO> _dataMember47(param1, param2),
BO> _dataMember48(param1, param2),
BO> _dataMember49(param1, param2),
BO> _dataMember50(param1, param2),
BO> _dataMember51(param1, param2),
BO> _dataMember52(param1, param2),
BO> _dataMember53(param1, param2),
BO> _dataMember54(param1, param2),
BO> _dataMember55(param1, param2),
BO> _dataMember56(param1, param2),
BO> _dataMember57(param1, param2),
BO> _dataMember58(param1, param2),
BO> _dataMember59(param1, param2),
BO> _dataMember60(param1, param2),
BO> _dataMember61(param1, param2),
BO> _dataMember62(param1, param2),
BO> _dataMember63(param1, param2),
BO> _dataMember64(param1, param2),
BO> _dataMember65(param1, param2),
BO> _dataMember66(param1, param2),
BO> _dataMember67(param1, param2),
BO> _dataMember68(param1, param2),
BO> _dataMember69(param1, param2),
BO> _dataMember70(param1, param2),
BO> _dataMember71(param1, param2),
BO> _dataMember72(param1, param2),
BO> _dataMember73(param1, param2),
BO> _dataMember74(param1, param2),
BO> _dataMember75(param1, param2),
BO> _dataMember76(param1, param2),
BO> _dataMember77(param1, param2),
BO> _dataMember78(param1, param2),
BO> _dataMember79(param1, param2),
BO> _dataMember80(param1, param2),
BO> _dataMember81(param1, param2),
BO> _dataMember82(param1, param2),
BO> _dataMember83(param1, param2),
BO> _dataMember84(param1, param2),
BO> _dataMember85(param1, param2),
BO> _dataMember86(param1, param2),
BO> _dataMember87(param1, param2),
BO> _dataMember88(param1, param2),
BO> _dataMember89(param1, param2),
BO> _dataMember90(param1, param2),
BO> _dataMember91(param1, param2),
BO> _dataMember92(param1, param2),
BO> _dataMember93(param1, param2),
BO> _dataMember94(param1, param2),
BO> _dataMember95(param1, param2),
BO> _dataMember96(param1, param2),
BO> _dataMember97(param1, param2),
BO> _dataMember98(param1, param2),
BO> _dataMember99(param1, param2)
BO> {
BO> }
BO> ---------------------------- end dummy.cpp ----------------------------
BO> --------------------------- begin backtrace ---------------------------
BO> # bind (standard-output stack-trace-on-signal debug-on-signal
stack-trace-on-error debug-on-error)
BO> re-search-forward("^\\(template[ \n
BO> ]*<[^>;.{}]+>[ \n
BO> ]*\\)?\\(\\(\\(\\(auto\\|const\\|explicit\\|extern[ \n
BO>
]+\"[^\"]+\"\\|extern\\|friend\\|inline\\|mutable\\|overload\\|register\\|static\\|typedef\\|typename\\|unsigned\\|virtual\\)[
\n
BO> ]+\\)*\\)\\(\\([[_<a-zA-Z][]_a-zA-Z0-9]*[ \n
BO> ]*\\(::[ \n
BO> ]*[]_a-zA-Z0-9]+\\)?[ \n
BO> ]*<[_<>a-zA-Z0-9 ,]+>[ \n
BO> ]*[*&]*\\|[[_<a-zA-Z][]_<>a-zA-Z0-9]*\\([ \n
BO> ]*::[ \n
BO> ]*[[<a-zA-Z][]_<>a-zA-Z0-9]+\\)?[ \n
BO> ]*[*&]*\\)[*& \n
BO> ]+\\)\\)?\\(\\([ \n
BO> ]*::\\|[[_<a-zA-Z][]_a-zA-Z0-9]*[ \n
BO> ]*<[^>;{}]+>[ \n
BO> ]*[*&]*[ \n
BO> ]*::\\|[[_<a-zA-Z][]_~<>a-zA-Z0-9]*[ \n
BO> ]*[*&]*[ \n
BO> ]*::\\)[ \n
BO> ]*\\)?\\(operator[ \n
BO> ]*[^ \n
BO> :;.,?~{}]+\\([ \n
BO> ]*\\[\\]\\)?\\|[_~<a-zA-Z][^][ \n
BO> :;.,~{}()]*\\|[*&]?\\([_~<a-zA-Z][_a-zA-Z0-9]*[ \n
BO> ]*<[^>;{}]+[ \n
> ]*>\\|[_~<a-zA-Z][_~<>a-zA-Z0-9]*\\)\\)[ \n
BO> ]*\\(\\(([^-+!:{};]*)\\|([^-+!(){};]*)\\)\\(\\)\\(\\([ \n
BO> ]+const\\|[ \n
BO> ]+mutable\\|[ \n
BO> ]+restrict\\)?\\([ \n
BO> ]*:[^;{]+\\|[ \n
BO> ]*=[ ]*0\\)?\\)?\\)\\([ \n
BO> ]*//.*[\n
BO> ]\\|[ \n
BO> ]*/\\*.*\\*/\\)*[ \n
BO> ]*\\({\\)" nil t)
BO> # bind (routines class type name rout)
BO> # (unwind-protect ...)
BO> c++-scan-features()
BO> # (unwind-protect ...)
BO> # (unwind-protect ...)
BO> # bind (class-name-end classes class has-parents open-brace-point parents
parent-cons signatures skip-tags-cleanup skip-tags filename)
BO> br-get-classes-from-source("/tmp/dummy/dummy.cpp" nil t)
BO> # bind (f)
BO> #<compiled-function (f) "...(78)" [default-directory
br-parents-alist br-paths-alist parents classes f file-readable-p message "Scanning
%s in %s ..." file-name-nondirectory br-abbreviate-file-name file-name-directory
br-get-classes-from-source nil t append "(OO-Browser): Unreadable file: %s in
%s" sit-for 1 paths-parents-cons] 7>("/tmp/dummy/dummy.cpp")
BO> mapcar(#<compiled-function (f) "...(78)" [default-directory
br-parents-alist br-paths-alist parents classes f file-readable-p message "Scanning
%s in %s ..." file-name-nondirectory br-abbreviate-file-name file-name-directory
br-get-classes-from-source nil t append "(OO-Browser): Unreadable file: %s in
%s" sit-for 1 paths-parents-cons] 7> ("/tmp/dummy/dummy.cpp"))
BO> # bind (files dir)
BO> br-search-directory("/tmp/dummy/" ("/tmp/dummy/OOBR"
"/tmp/dummy/dummy.cpp"))
BO> # bind (dir)
BO> #<compiled-function (dir) "...(81)" [br-file-dir-regexp
subdirectories-flag search-dir-func files dir "" file-name-as-directory
file-symlink-p directory-file-name br-skip-dir-p file-directory-p file-readable-p
directory-files t message "Scanning %s in %s ..." file-name-nondirectory
br-abbreviate-file-name file-name-directory br-real-build-al mapcar #<compiled-function
... "...(7)" ... 2>] 8>("/tmp/dummy/")
BO> mapcar(#<compiled-function (dir) "...(81)" [br-file-dir-regexp
subdirectories-flag search-dir-func files dir "" file-name-as-directory
file-symlink-p directory-file-name br-skip-dir-p file-directory-p file-readable-p
directory-files t message "Scanning %s in %s ..." file-name-nondirectory
br-abbreviate-file-name file-name-directory br-real-build-al mapcar #<compiled-function
... "...(7)" ... 2>] 8> ("/tmp/dummy/"))
BO> # bind (search-dir-func subdirectories-flag search-dirs)
BO> br-real-build-al(("/tmp/dummy/") nil br-search-directory)
BO> # bind (inhibit-local-variables enable-local-variables files noninteractive
br-view-file-function classes parents paths-parents-cons search-dirs)
BO> br-real-build-alists(("/tmp/dummy/"))
BO> br-build-sys-htable()
BO> # bind (no-load background-flag env-name env-file)
BO> br-env-build("/tmp/dummy/OOBR" "dummy" prompt t)
BO> # bind (dir prompt env-name env-file)
BO> br-env-cond-build("/tmp/dummy/OOBR" "dummy" "Build
Environment `%s' now? ")
BO> # (unwind-protect ...)
BO> # bind (br-loaded no-build prompt env-name env-file)
BO> br-env-load("/tmp/dummy/OOBR" "dummy" t nil)
BO> # bind (br-loaded no-build prompt env-name env-file)
BO> br-env-load("/tmp/dummy/OOBR" nil prompt nil)
BO> # bind (default-file env-file)
BO> br-env-try-load("/tmp/dummy/OOBR" "OOBR")
BO> # bind (same-env same-lang env-file)
BO> br-env-init("/tmp/dummy/OOBR" nil nil)
BO> # bind (same-lang load-succeeded same-env no-ui env-file)
BO> c++-browse("/tmp/dummy/OOBR")
BO> # bind (env-name env-file)
BO> #<compiled-function (env-file &optional env-name) "...(74)"
[lang-string file-name-cons env-name env-file br-env-validate-arg-strings
"br-env-browse" br-name-get-env-file br-name-add file-exists-p file-readable-p
error "(br-env-browse): Env file `%s' is unreadable." intern-soft
br-env-select-lang "browse" br-env-read-language-prefix "(br-env-browse):
Invalid env file: `%s'"] 5
("/puddle/scratch/billo/xemacs/lib/xemacs/xemacs-packages/lisp/oo-browser/br-env.elc"
. 1079) (byte-code "Å ÆÇÈ\".É !®Ê Ëa¬
Ìk«ÍªÎÏ \"\nÐ !#. Ëa«Ë. D" [br-env-name br-env-default-file default-directory env-file env-name
br-names-initialize br-name-read "Load/Create OO-Browser Env named: " nil
br-name-get-env-file br-env-read-file-name t "" "Load/Create unnamed
OO-Browser Env file: " format "Associate `%s' with file: "
expand-file-name] 5)>("/tmp/dummy/OOBR" "dummy")
BO> call-interactively(br-env-browse)
BO> # bind (same-env-flag)
BO> #<compiled-function (&optional same-env-flag) "...(20)"
[br-env-file same-env-flag br-lang-prefix intern-soft "browse"
call-interactively br-env-browse] 3
("/puddle/scratch/billo/xemacs/lib/xemacs/xemacs-packages/lisp/oo-browser/br-start.elc"
. 3592) (list (prog1 ... ...))>(nil)
BO> call-interactively(oo-browser)
BO> command-execute(oo-browser t)
BO> # bind (_execute_command_keys_ _execute_command_name_ prefix-arg)
BO> execute-extended-command(nil)
BO> # bind (command-debug-status)
BO> call-interactively(execute-extended-command)
BO> # (condition-case ... . error)
BO> # (catch top-level ...)
BO> ---------------------------- end backtrace ----------------------------
BO> ================================================================
BO> System Info to help track down your bug:
BO> ---------------------------------------
BO> uname -a: SunOS puddle 5.8 Generic_108528-19 sun4u sparc SUNW,Sun-Blade-100
BO> ./configure '--pdump' '--prefix=/puddle/scratch/billo/xemacs'
'--x-includes=/usr/local/X11/include' '--x-libraries=/usr/local/X11/lib'
'--with-mule=no' '--with-athena=3d' '--with-widgets=athena'
'--with-dialogs=athena' '--with-xpm=yes'
BO> XEmacs 21.4.14 "Reasonable Discussion" configured for
`sparc-sun-solaris2.8'.
BO> Compilation / Installation:
BO> Source code location: /puddle/scratch/billo/xemacs-21.4.14
BO> Installation prefix: /puddle/scratch/billo/xemacs
BO> Runtime library search path:
/usr/ccs/lib:/usr/local/X11/lib:/usr/local/gnu/lib
BO> Operating system description file: `s/sol2.h'
BO> Machine description file: `m/sparc.h'
BO> Compiler: gcc -g -O3 -Wall -Wno-switch -Winline
-Wmissing-prototypes -Wsign-compare -fno-strict-aliasing -Wshadow -Wpointer-arith
BO> Relocating allocator for buffers: yes
BO> GNU version of malloc: yes
BO> Window System:
BO> Compiling in support for the X window system:
BO> - X Windows headers location: /usr/local/X11/include
BO> - X Windows libraries location: /usr/local/X11/lib
BO> - Handling WM_COMMAND properly.
BO> Compiling in support for the Athena widget set:
BO> - Athena headers location: X11/Xaw3d
BO> - Athena library to link: Xaw3d
BO> Using Lucid menubars.
BO> Using Lucid scrollbars.
BO> Using Athena dialog boxes.
BO> Using Athena native widgets.
BO> TTY:
BO> Images:
BO> Compiling in support for GIF images (builtin).
BO> Compiling in support for XPM images.
BO> Compiling in support for PNG images.
BO> Compiling in support for JPEG images.
BO> Compiling in support for TIFF images.
BO> Sound:
BO> Compiling in support for sound (native).
BO> Databases:
BO> Compiling in support for GNU DBM.
BO> Compiling in support for LDAP.
BO> Internationalization:
BO> Mail:
BO> Compiling in support for "dot-locking" mail spool file locking
method.
BO> Other Features:
BO> Inhibiting IPv6 canonicalization at startup.
BO> Compiling in support for dynamic shared object modules.
BO> Using the new portable dumper.
BO> Load-Path Lisp Shadows:
BO> ----------------------
BO> (/home/staff/billo/local/lib/emacs/my-gnus-split-spam
BO> /home/staff/billo/local/lib/emacs/lastgood/my-gnus-split-spam
BO> /home/staff/billo/local/lib/emacs/backup-dir
BO>
/puddle/scratch/billo/xemacs/lib/xemacs/xemacs-packages/lisp/edit-utils/backup-dir
BO> /home/staff/billo/local/lib/emacs/compat
BO> /puddle/scratch/billo/xemacs/lib/xemacs-21.4.14/lisp/compat
BO> /puddle/scratch/billo/xemacs/lib/xemacs/xemacs-packages/lisp/build/build-report
BO> /puddle/scratch/billo/xemacs/lib/xemacs-21.4.14/lisp/build-report)
BO> Installed XEmacs Packages:
BO> -------------------------
BO> ((zenirc:version 1.13 :type regular)
BO> (xslt-process :version 1.11 :type regular)
BO> (xslide :version 1.08 :type regular)
BO> (xemacs-devel :version 1.58 :type single-file)
BO> (xemacs-base :version 1.78 :type regular)
BO> (x-symbol :version 1.05 :type regular)
BO> (w3 :version 1.28 :type regular)
BO> (vm :version 7.14 :type regular)
BO> (viper :version 1.36 :type regular)
BO> (view-process :version 1.12 :type regular)
BO> (vhdl :version 1.17 :type regular)
BO> (vc-cc :version 1.21 :type regular)
BO> (vc :version 1.37 :type regular)
BO> (tramp :version 1.16 :type regular)
BO> (tpu :version 1.12 :type regular)
BO> (tooltalk :version 1.13 :type regular)
BO> (tm :version 1.36 :type regular)
BO> (time :version 1.13 :type regular)
BO> (textools :version 1.14 :type regular)
BO> (text-modes :version 1.63 :type single-file)
BO> (texinfo :version 1.24 :type regular)
BO> (supercite :version 1.19 :type regular)
BO> (strokes :version 1.08 :type regular)
BO> (speedbar :version 1.26 :type regular)
BO> (sounds-wav :version 1.1 :type regular)
BO> (sounds-au :version 1.1 :type regular)
BO> (sml-mode :version 0.09 :type regular)
BO> (slider :version 1.13 :type regular)
BO> (sieve :version 1.13 :type regular)
BO> (sh-script :version 1.17 :type regular)
BO> (sgml :version 1.08 :type regular)
BO> (semantic :version 1.17 :type regular)
BO> (scheme :version 1.13 :type regular)
BO> (sasl :version 1.13 :type regular)
BO> (ruby-modes :version 1.01 :type regular)
BO> (rmail :version 1.13 :type regular)
BO> (reftex :version 1.3 :type regular)
BO> (python-modes :version 1.02 :type single-file)
BO> (psgml-dtds :version 1.02 :type regular)
BO> (psgml :version 1.41 :type regular)
BO> (ps-print :version 1.08 :type regular)
BO> (prog-modes
BO> :version
BO> 1
BO> .83
BO> :type
BO> single-file)
BO> (pgg :version 1.03 :type regular)
BO> (perl-modes :version 1.04 :type single-file)
BO> (pcomplete :version 1.02 :type regular)
BO> (pcl-cvs :version 1.64 :type regular)
BO> (pc :version 1.25 :type single-file)
BO> (os-utils :version 1.32 :type single-file)
BO> (oo-browser :version 1.03 :type regular)
BO> (ocaml :version 0.04 :type regular)
BO> (net-utils :version 1.32 :type single-file)
BO> (mule-ucs :version 1.04 :type regular)
BO> (mule-base :version 1.43 :type regular)
BO> (mmm-mode :version 1.0 :type regular)
BO> (misc-games :version 1.16 :type single-file)
BO> (mine :version 1.14 :type regular)
BO> (mh-e :version 1.23 :type regular)
BO> (mew :version 1.17 :type regular)
BO> (mailcrypt :version 2.12 :type regular)
BO> (mail-lib :version 1.6 :type regular)
BO> (locale :version 1.2 :type regular)
BO> (liece :version 1.12 :type regular)
BO> (leim :version 1.21 :type regular)
BO> (jde :version 1.45 :type regular)
BO> (ispell :version 1.24 :type regular)
BO> (ilisp :version 1.32 :type regular)
BO> (igrep :version 1.1 :type regular)
BO> (idlwave :version 1.3 :type regular)
BO> (ibuffer :version 1.08 :type regular)
BO> (hyperbole :version 1.12 :type regular)
BO> (hm--html-menus :version 1.21 :type regular)
BO> (haskell-mode :version 1.05 :type regular)
BO> (gnus :version 1.71 :type regular)
BO> (gnats :version 1.15 :type regular)
BO> (games :version 1.14 :type regular)
BO> (fsf-compat :version 1.12 :type single-file)
BO> (frame-icon :version 1.09 :type regular)
BO> (fortran-modes :version 1.02 :type single-file)
BO> (forms :version 1.14 :type regular)
BO> (footnote :version 1.15 :type regular)
BO> (eudc :version 1.38 :type regular)
BO> (eterm :version 1.13 :type regular)
BO> (ess :version 1.04 :type regular)
BO> (eshell :version 1.05 :type regular)
BO> (emerge :version 1.09 :type regular)
BO> (elib :version 1.1 :type single-file)
BO> (eieio :version 1.04 :type regular)
BO> (egg-its :version 1.26 :type regular)
BO> (efs :version 1.29 :type regular)
BO> (edt :version 1.12 :type regular)
BO> (edit-utils :version 2.07 :type single-file)
BO> (ediff :version 1.47 :type regular)
BO> (edict :version 1.15 :type regular)
BO> (edebug :version 1.18 :type regular)
BO> (ecrypto :version 0.13 :type regular)
BO> (ecb :version 1.1 :type regular)
BO> (docbookide :version 0.06 :type regular)
BO> (dired :version 1.13 :type regular)
BO> (dictionary :version 1.12 :type regular)
BO> (debug :version 1.16 :type regular)
BO> (crisp :version 1.12 :type regular)
BO> (cookie :version 1.14 :type regular)
BO> (clearcase :version 1.06 :type regular)
BO> (cc-mode :version 1.39 :type regular)
BO> (calendar :version 1.21 :type regular)
BO> (calc :version 1.23 :type regular)
BO> (c-support :version 1.16 :type single-file)
BO> (build :version 1.1 :type regular)
BO> (bbdb :version 1.23 :type regular)
BO> (auctex :version 1.35 :type regular)
BO> (apel :version 1.26 :type regular)
BO> (ada :version 1.13 :type regular)
BO> (Sun :version 1.13 :type regular))
BO> Installed Modules:
BO> -----------------
BO> Features:
BO> --------
BO> (mail-abbrevs hsmail view-less view xemacsbug shadow sendmail rfc822
BO> c++-mode cc-mode cc-fonts cc-menus cc-cmds cc-styles cc-align
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--
Jake Colman -- XEmacs Tinkerer
7:09 p.m.
>>>> Jake wrote:
Jake> As OO-Browser maintainer I suppose I should at least reply to
Jake> this message. All I can really tell you, however, is that
Jake> OO-Browser source has not been modified in quite a few years -
Jake> other than for some minor tweaks to make it an XEmacs package.
For quite a few years ago I got this types of problem with
OO-Browser. The workaround then was to rebuild the environment from
scratch. I never tried to debug it at the time. Seemed hard to solve.
Jake> That being said, it would be useful to know whether this is only
Jake> broken in 21.4.14 or also with 21.4.13.
I have started to get stack overflow in bbdb with a recent version of
21.4.14 but that might of course be a pure coincidence.
Yours
--
%% Mats
8:36 a.m.
>>>> "Mats" == Mats Lidell
<matsl(a)xemacs.org> writes:
Jake> That being said, it would be useful to know whether this is
Jake> only broken in 21.4.14 or also with 21.4.13.
Mats> I have started to get stack overflow in bbdb with a recent
Mats> version of 21.4.14 but that might of course be a pure
Mats> coincidence.
Ah-ah. That's it. 21.4.14 defaults to REGEX_MALLOC to prevent regex
crashes, but the logic for determining the size of the failure stack
is obscure (and probably broken, cf 21.5) so you effectively get a
_smaller_ stack in many cases.
This patch is said to fix regex stack overflow. Please test, as I say
I don't understand the failure stack init logic, and so cannot offhand
recommend application for 21.4.15.
http://list-archive.xemacs.org/xemacs-beta/200309/msg00205.html
--
Institute of Policy and Planning Sciences http://turnbull.sk.tsukuba.ac.jp
University of Tsukuba Tennodai 1-1-1 Tsukuba 305-8573 JAPAN
Ask not how you can "do" free software business;
ask what your business can "do for" free software.
12:43 a.m.
>>>> Stephen wrote:
Stephen> http://list-archive.xemacs.org/xemacs-beta/200309/msg00205.html
This patch fixed both problems.
Yours
--
%% Mats
3:35 a.m.
"Stephen J. Turnbull" <stephen(a)xemacs.org> writes:
This patch is said to fix regex stack overflow. Please test, as I
say
I don't understand the failure stack init logic, and so cannot offhand
recommend application for 21.4.15.
http://list-archive.xemacs.org/xemacs-beta/200309/msg00205.html
Thank you for the pointer to the patch - I'll apply and test it
Monday.
And thank you to the xemacs-beta list for all of the replies - it's
very much appreciated.
Bill
8:25 p.m.
Jake Colman <jake.colman(a)xemacs.org> wrote:
Can anyone here shed any light on what Bill can do to solve his
regexp
problem? Is there anything I can explor in OO-Browser's source that I can do
mitigate the problem?
[ I'm assuming that REGEX_MALLOC is being used, but the following
probably still applies even if it isn't. ]
The value of re_max_failures in src/regex.c is probably too small.
It's 2000; try bumping it up to 20000 (this will probably suck up a lot
of memory, though), and recompile.
[ However, if REGEX_MALLOC is not being used, you must also bump up your
process's maximum allowable stack size, if you bump up
re_max_failures. ]
--
Darryl Okahata
darrylo(a)soco.agilent.com
DISCLAIMER: this message is the author's personal opinion and does not
constitute the support, opinion, or policy of Agilent Technologies, or
of the little green men that have been following him all day.
1:07 a.m.
>>>> Jake wrote:
Jake> That being said, it would be useful to know whether this is only
Jake> broken in 21.4.14 or also with 21.4.13.
The Dummy example works for me in 21.4.13 and 21.5.16 but breaks in
21.4.14. Same goes for my bbdb-file. (There was some recent changes to
regex.c. Could that have something to do with it?)
Yours
--
%% Mats
3:15 a.m.
I can provide some additional information...
After posting the article to comp.emacs.xemacs and filing the bug, I
discovered that the compilation `next-error' function also failed with
the regexp stack overflow. At this point I tried version 21.4.13, and
both oo-browser and `next-error' work. (I haven't tested oo-browser
thoroughly, but it definitely gets past the stack overflow error and
appears to work fine.) I configured 21.4.14 and 21.4.13 identically.
Also, although I mentioned it in the article I neglected to mention it
in the bug report - I had tried bumping `re_max_failures' from 20000
to 200000 and increasing the shell stack limit from 8K to 16K (with
ulimit). (These were two suggestions I came across while Googling.)
Thank you for you help.
Bill
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Bill Oakley -
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Stephen J. Turnbull -
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