Commit | Line | Data |
---|---|---|
a687059c LW |
1 | package DB; |
2 | ||
54d04a52 | 3 | # Debugger for Perl 5.00x; perl5db.pl patch level: |
d338d6fe | 4 | |
83ee9e09 | 5 | $VERSION = 1.05; |
43aed9ee | 6 | $header = "perl5db.pl version $VERSION"; |
d338d6fe | 7 | |
8 | # Enhanced by ilya@math.ohio-state.edu (Ilya Zakharevich) | |
9 | # Latest version available: ftp://ftp.math.ohio-state.edu/pub/users/ilya/perl | |
10 | ||
11 | # modified Perl debugger, to be run from Emacs in perldb-mode | |
12 | # Ray Lischner (uunet!mntgfx!lisch) as of 5 Nov 1990 | |
13 | # Johan Vromans -- upgrade to 4.0 pl 10 | |
14 | # Ilya Zakharevich -- patches after 5.001 (and some before ;-) | |
15 | ||
16 | # | |
17 | # This file is automatically included if you do perl -d. | |
18 | # It's probably not useful to include this yourself. | |
19 | # | |
36477c24 | 20 | # Perl supplies the values for %sub. It effectively inserts |
21 | # a &DB'DB(); in front of every place that can have a | |
d338d6fe | 22 | # breakpoint. Instead of a subroutine call it calls &DB::sub with |
23 | # $DB::sub being the called subroutine. It also inserts a BEGIN | |
24 | # {require 'perl5db.pl'} before the first line. | |
25 | # | |
55497cff | 26 | # After each `require'd file is compiled, but before it is executed, a |
477ea2b1 | 27 | # call to DB::postponed($main::{'_<'.$filename}) is emulated. Here the |
55497cff | 28 | # $filename is the expanded name of the `require'd file (as found as |
29 | # value of %INC). | |
30 | # | |
31 | # Additional services from Perl interpreter: | |
32 | # | |
33 | # if caller() is called from the package DB, it provides some | |
34 | # additional data. | |
35 | # | |
477ea2b1 | 36 | # The array @{$main::{'_<'.$filename} is the line-by-line contents of |
55497cff | 37 | # $filename. |
38 | # | |
477ea2b1 | 39 | # The hash %{'_<'.$filename} contains breakpoints and action (it is |
55497cff | 40 | # keyed by line number), and individual entries are settable (as |
41 | # opposed to the whole hash). Only true/false is important to the | |
42 | # interpreter, though the values used by perl5db.pl have the form | |
43 | # "$break_condition\0$action". Values are magical in numeric context. | |
44 | # | |
477ea2b1 | 45 | # The scalar ${'_<'.$filename} contains "_<$filename". |
55497cff | 46 | # |
d338d6fe | 47 | # Note that no subroutine call is possible until &DB::sub is defined |
36477c24 | 48 | # (for subroutines defined outside of the package DB). In fact the same is |
d338d6fe | 49 | # true if $deep is not defined. |
50 | # | |
51 | # $Log: perldb.pl,v $ | |
52 | ||
53 | # | |
54 | # At start reads $rcfile that may set important options. This file | |
55 | # may define a subroutine &afterinit that will be executed after the | |
56 | # debugger is initialized. | |
57 | # | |
58 | # After $rcfile is read reads environment variable PERLDB_OPTS and parses | |
59 | # it as a rest of `O ...' line in debugger prompt. | |
60 | # | |
61 | # The options that can be specified only at startup: | |
62 | # [To set in $rcfile, call &parse_options("optionName=new_value").] | |
63 | # | |
64 | # TTY - the TTY to use for debugging i/o. | |
65 | # | |
66 | # noTTY - if set, goes in NonStop mode. On interrupt if TTY is not set | |
67 | # uses the value of noTTY or "/tmp/perldbtty$$" to find TTY using | |
68 | # Term::Rendezvous. Current variant is to have the name of TTY in this | |
69 | # file. | |
70 | # | |
71 | # ReadLine - If false, dummy ReadLine is used, so you can debug | |
72 | # ReadLine applications. | |
73 | # | |
74 | # NonStop - if true, no i/o is performed until interrupt. | |
75 | # | |
76 | # LineInfo - file or pipe to print line number info to. If it is a | |
77 | # pipe, a short "emacs like" message is used. | |
78 | # | |
363b4d59 GT |
79 | # RemotePort - host:port to connect to on remote host for remote debugging. |
80 | # | |
d338d6fe | 81 | # Example $rcfile: (delete leading hashes!) |
82 | # | |
83 | # &parse_options("NonStop=1 LineInfo=db.out"); | |
84 | # sub afterinit { $trace = 1; } | |
85 | # | |
86 | # The script will run without human intervention, putting trace | |
87 | # information into db.out. (If you interrupt it, you would better | |
88 | # reset LineInfo to something "interactive"!) | |
89 | # | |
ee971a18 | 90 | ################################################################## |
91 | # Changelog: | |
92 | ||
93 | # A lot of things changed after 0.94. First of all, core now informs | |
94 | # debugger about entry into XSUBs, overloaded operators, tied operations, | |
95 | # BEGIN and END. Handy with `O f=2'. | |
96 | ||
97 | # This can make debugger a little bit too verbose, please be patient | |
98 | # and report your problems promptly. | |
99 | ||
100 | # Now the option frame has 3 values: 0,1,2. | |
101 | ||
102 | # Note that if DESTROY returns a reference to the object (or object), | |
103 | # the deletion of data may be postponed until the next function call, | |
104 | # due to the need to examine the return value. | |
105 | ||
55497cff | 106 | # Changes: 0.95: `v' command shows versions. |
107 | # Changes: 0.96: `v' command shows version of readline. | |
108 | # primitive completion works (dynamic variables, subs for `b' and `l', | |
109 | # options). Can `p %var' | |
110 | # Better help (`h <' now works). New commands <<, >>, {, {{. | |
111 | # {dump|print}_trace() coded (to be able to do it from <<cmd). | |
112 | # `c sub' documented. | |
113 | # At last enough magic combined to stop after the end of debuggee. | |
114 | # !! should work now (thanks to Emacs bracket matching an extra | |
115 | # `]' in a regexp is caught). | |
116 | # `L', `D' and `A' span files now (as documented). | |
117 | # Breakpoints in `require'd code are possible (used in `R'). | |
118 | # Some additional words on internal work of debugger. | |
119 | # `b load filename' implemented. | |
120 | # `b postpone subr' implemented. | |
121 | # now only `q' exits debugger (overwriteable on $inhibit_exit). | |
122 | # When restarting debugger breakpoints/actions persist. | |
123 | # Buglet: When restarting debugger only one breakpoint/action per | |
124 | # autoloaded function persists. | |
36477c24 | 125 | # Changes: 0.97: NonStop will not stop in at_exit(). |
126 | # Option AutoTrace implemented. | |
127 | # Trace printed differently if frames are printed too. | |
1d06cb2d IZ |
128 | # new `inhibitExit' option. |
129 | # printing of a very long statement interruptible. | |
130 | # Changes: 0.98: New command `m' for printing possible methods | |
131 | # 'l -' is a synonim for `-'. | |
132 | # Cosmetic bugs in printing stack trace. | |
133 | # `frame' & 8 to print "expanded args" in stack trace. | |
134 | # Can list/break in imported subs. | |
135 | # new `maxTraceLen' option. | |
136 | # frame & 4 and frame & 8 granted. | |
137 | # new command `m' | |
138 | # nonstoppable lines do not have `:' near the line number. | |
139 | # `b compile subname' implemented. | |
140 | # Will not use $` any more. | |
141 | # `-' behaves sane now. | |
477ea2b1 IZ |
142 | # Changes: 0.99: Completion for `f', `m'. |
143 | # `m' will remove duplicate names instead of duplicate functions. | |
144 | # `b load' strips trailing whitespace. | |
145 | # completion ignores leading `|'; takes into account current package | |
146 | # when completing a subroutine name (same for `l'). | |
55497cff | 147 | |
ee971a18 | 148 | #################################################################### |
d338d6fe | 149 | |
54d04a52 | 150 | # Needed for the statement after exec(): |
d338d6fe | 151 | |
54d04a52 IZ |
152 | BEGIN { $ini_warn = $^W; $^W = 0 } # Switch compilation warnings off until another BEGIN. |
153 | local($^W) = 0; # Switch run-time warnings off during init. | |
d338d6fe | 154 | warn ( # Do not ;-) |
155 | $dumpvar::hashDepth, | |
156 | $dumpvar::arrayDepth, | |
157 | $dumpvar::dumpDBFiles, | |
158 | $dumpvar::dumpPackages, | |
159 | $dumpvar::quoteHighBit, | |
160 | $dumpvar::printUndef, | |
161 | $dumpvar::globPrint, | |
d338d6fe | 162 | $dumpvar::usageOnly, |
163 | @ARGS, | |
164 | $Carp::CarpLevel, | |
54d04a52 | 165 | $panic, |
36477c24 | 166 | $second_time, |
d338d6fe | 167 | ) if 0; |
168 | ||
54d04a52 IZ |
169 | # Command-line + PERLLIB: |
170 | @ini_INC = @INC; | |
171 | ||
d338d6fe | 172 | # $prevwarn = $prevdie = $prevbus = $prevsegv = ''; # Does not help?! |
173 | ||
174 | $trace = $signal = $single = 0; # Uninitialized warning suppression | |
175 | # (local $^W cannot help - other packages!). | |
55497cff | 176 | $inhibit_exit = $option{PrintRet} = 1; |
d338d6fe | 177 | |
22fae026 | 178 | @options = qw(hashDepth arrayDepth DumpDBFiles DumpPackages DumpReused |
d338d6fe | 179 | compactDump veryCompact quote HighBit undefPrint |
36477c24 | 180 | globPrint PrintRet UsageOnly frame AutoTrace |
1d06cb2d | 181 | TTY noTTY ReadLine NonStop LineInfo maxTraceLen |
7a2e2cd6 | 182 | recallCommand ShellBang pager tkRunning ornaments |
3aefca04 | 183 | signalLevel warnLevel dieLevel inhibit_exit |
363b4d59 GT |
184 | ImmediateStop bareStringify |
185 | RemotePort); | |
d338d6fe | 186 | |
187 | %optionVars = ( | |
188 | hashDepth => \$dumpvar::hashDepth, | |
189 | arrayDepth => \$dumpvar::arrayDepth, | |
190 | DumpDBFiles => \$dumpvar::dumpDBFiles, | |
191 | DumpPackages => \$dumpvar::dumpPackages, | |
22fae026 | 192 | DumpReused => \$dumpvar::dumpReused, |
d338d6fe | 193 | HighBit => \$dumpvar::quoteHighBit, |
194 | undefPrint => \$dumpvar::printUndef, | |
195 | globPrint => \$dumpvar::globPrint, | |
d338d6fe | 196 | UsageOnly => \$dumpvar::usageOnly, |
ee239bfe | 197 | bareStringify => \$dumpvar::bareStringify, |
36477c24 | 198 | frame => \$frame, |
199 | AutoTrace => \$trace, | |
200 | inhibit_exit => \$inhibit_exit, | |
1d06cb2d | 201 | maxTraceLen => \$maxtrace, |
3aefca04 | 202 | ImmediateStop => \$ImmediateStop, |
363b4d59 | 203 | RemotePort => \$remoteport, |
d338d6fe | 204 | ); |
205 | ||
206 | %optionAction = ( | |
207 | compactDump => \&dumpvar::compactDump, | |
208 | veryCompact => \&dumpvar::veryCompact, | |
209 | quote => \&dumpvar::quote, | |
210 | TTY => \&TTY, | |
211 | noTTY => \&noTTY, | |
212 | ReadLine => \&ReadLine, | |
213 | NonStop => \&NonStop, | |
214 | LineInfo => \&LineInfo, | |
215 | recallCommand => \&recallCommand, | |
216 | ShellBang => \&shellBang, | |
217 | pager => \&pager, | |
218 | signalLevel => \&signalLevel, | |
219 | warnLevel => \&warnLevel, | |
220 | dieLevel => \&dieLevel, | |
a737e074 | 221 | tkRunning => \&tkRunning, |
7a2e2cd6 | 222 | ornaments => \&ornaments, |
363b4d59 | 223 | RemotePort => \&RemotePort, |
d338d6fe | 224 | ); |
225 | ||
226 | %optionRequire = ( | |
227 | compactDump => 'dumpvar.pl', | |
228 | veryCompact => 'dumpvar.pl', | |
229 | quote => 'dumpvar.pl', | |
230 | ); | |
231 | ||
232 | # These guys may be defined in $ENV{PERL5DB} : | |
233 | $rl = 1 unless defined $rl; | |
ee971a18 | 234 | $warnLevel = 1 unless defined $warnLevel; |
235 | $dieLevel = 1 unless defined $dieLevel; | |
236 | $signalLevel = 1 unless defined $signalLevel; | |
55497cff | 237 | $pre = [] unless defined $pre; |
238 | $post = [] unless defined $post; | |
239 | $pretype = [] unless defined $pretype; | |
d338d6fe | 240 | warnLevel($warnLevel); |
241 | dieLevel($dieLevel); | |
242 | signalLevel($signalLevel); | |
65c9c81d IZ |
243 | &pager((defined($ENV{PAGER}) |
244 | ? $ENV{PAGER} | |
245 | : ($^O eq 'os2' | |
246 | ? 'cmd /c more' | |
247 | : 'more'))) unless defined $pager; | |
d338d6fe | 248 | &recallCommand("!") unless defined $prc; |
249 | &shellBang("!") unless defined $psh; | |
1d06cb2d | 250 | $maxtrace = 400 unless defined $maxtrace; |
d338d6fe | 251 | |
252 | if (-e "/dev/tty") { | |
253 | $rcfile=".perldb"; | |
254 | } else { | |
255 | $rcfile="perldb.ini"; | |
256 | } | |
257 | ||
258 | if (-f $rcfile) { | |
259 | do "./$rcfile"; | |
260 | } elsif (defined $ENV{LOGDIR} and -f "$ENV{LOGDIR}/$rcfile") { | |
261 | do "$ENV{LOGDIR}/$rcfile"; | |
262 | } elsif (defined $ENV{HOME} and -f "$ENV{HOME}/$rcfile") { | |
263 | do "$ENV{HOME}/$rcfile"; | |
264 | } | |
265 | ||
266 | if (defined $ENV{PERLDB_OPTS}) { | |
267 | parse_options($ENV{PERLDB_OPTS}); | |
268 | } | |
269 | ||
54d04a52 IZ |
270 | if (exists $ENV{PERLDB_RESTART}) { |
271 | delete $ENV{PERLDB_RESTART}; | |
272 | # $restart = 1; | |
273 | @hist = get_list('PERLDB_HIST'); | |
55497cff | 274 | %break_on_load = get_list("PERLDB_ON_LOAD"); |
275 | %postponed = get_list("PERLDB_POSTPONE"); | |
276 | my @had_breakpoints= get_list("PERLDB_VISITED"); | |
277 | for (0 .. $#had_breakpoints) { | |
0c395bd7 CS |
278 | my %pf = get_list("PERLDB_FILE_$_"); |
279 | $postponed_file{$had_breakpoints[$_]} = \%pf if %pf; | |
54d04a52 IZ |
280 | } |
281 | my %opt = get_list("PERLDB_OPT"); | |
282 | my ($opt,$val); | |
283 | while (($opt,$val) = each %opt) { | |
284 | $val =~ s/[\\\']/\\$1/g; | |
285 | parse_options("$opt'$val'"); | |
286 | } | |
287 | @INC = get_list("PERLDB_INC"); | |
288 | @ini_INC = @INC; | |
43aed9ee IZ |
289 | $pretype = [get_list("PERLDB_PRETYPE")]; |
290 | $pre = [get_list("PERLDB_PRE")]; | |
291 | $post = [get_list("PERLDB_POST")]; | |
292 | @typeahead = get_list("PERLDB_TYPEAHEAD", @typeahead); | |
54d04a52 IZ |
293 | } |
294 | ||
d338d6fe | 295 | if ($notty) { |
296 | $runnonstop = 1; | |
297 | } else { | |
298 | # Is Perl being run from Emacs? | |
299 | $emacs = ((defined $main::ARGV[0]) and ($main::ARGV[0] eq '-emacs')); | |
300 | $rl = 0, shift(@main::ARGV) if $emacs; | |
301 | ||
302 | #require Term::ReadLine; | |
303 | ||
4fabb596 | 304 | if ($^O eq 'cygwin') { |
8736538c AS |
305 | # /dev/tty is binary. use stdin for textmode |
306 | undef $console; | |
307 | } elsif (-e "/dev/tty") { | |
d338d6fe | 308 | $console = "/dev/tty"; |
39e571d4 | 309 | } elsif ($^O eq 'dos' or -e "con" or $^O eq 'MSWin32') { |
d338d6fe | 310 | $console = "con"; |
311 | } else { | |
312 | $console = "sys\$command"; | |
313 | } | |
314 | ||
96774cc9 JR |
315 | if (($^O eq 'MSWin32') and ($emacs or defined $ENV{EMACS})) { |
316 | $console = undef; | |
317 | } | |
318 | ||
d338d6fe | 319 | # Around a bug: |
ee971a18 | 320 | if (defined $ENV{OS2_SHELL} and ($emacs or $ENV{WINDOWID})) { # In OS/2 |
d338d6fe | 321 | $console = undef; |
322 | } | |
323 | ||
4d2c4e07 OF |
324 | if ($^O eq 'epoc') { |
325 | $console = undef; | |
326 | } | |
327 | ||
d338d6fe | 328 | $console = $tty if defined $tty; |
329 | ||
363b4d59 GT |
330 | if (defined $remoteport) { |
331 | require IO::Socket; | |
332 | $OUT = new IO::Socket::INET( Timeout => '10', | |
333 | PeerAddr => $remoteport, | |
334 | Proto => 'tcp', | |
335 | ); | |
336 | if (!$OUT) { die "Could not create socket to connect to remote host."; } | |
337 | $IN = $OUT; | |
d338d6fe | 338 | } |
363b4d59 GT |
339 | else { |
340 | if (defined $console) { | |
341 | open(IN,"+<$console") || open(IN,"<$console") || open(IN,"<&STDIN"); | |
342 | open(OUT,"+>$console") || open(OUT,">$console") || open(OUT,">&STDERR") | |
343 | || open(OUT,">&STDOUT"); # so we don't dongle stdout | |
344 | } else { | |
345 | open(IN,"<&STDIN"); | |
346 | open(OUT,">&STDERR") || open(OUT,">&STDOUT"); # so we don't dongle stdout | |
347 | $console = 'STDIN/OUT'; | |
348 | } | |
349 | # so open("|more") can read from STDOUT and so we don't dingle stdin | |
350 | $IN = \*IN; | |
d338d6fe | 351 | |
363b4d59 GT |
352 | $OUT = \*OUT; |
353 | } | |
d338d6fe | 354 | select($OUT); |
355 | $| = 1; # for DB::OUT | |
356 | select(STDOUT); | |
357 | ||
358 | $LINEINFO = $OUT unless defined $LINEINFO; | |
359 | $lineinfo = $console unless defined $lineinfo; | |
360 | ||
361 | $| = 1; # for real STDOUT | |
362 | ||
363 | $header =~ s/.Header: ([^,]+),v(\s+\S+\s+\S+).*$/$1$2/; | |
364 | unless ($runnonstop) { | |
365 | print $OUT "\nLoading DB routines from $header\n"; | |
366 | print $OUT ("Emacs support ", | |
367 | $emacs ? "enabled" : "available", | |
368 | ".\n"); | |
d9f67849 | 369 | print $OUT "\nEnter h or `h h' for help, run `perldoc perldebug' for more help.\n\n"; |
d338d6fe | 370 | } |
371 | } | |
372 | ||
373 | @ARGS = @ARGV; | |
374 | for (@args) { | |
375 | s/\'/\\\'/g; | |
376 | s/(.*)/'$1'/ unless /^-?[\d.]+$/; | |
377 | } | |
378 | ||
379 | if (defined &afterinit) { # May be defined in $rcfile | |
380 | &afterinit(); | |
381 | } | |
382 | ||
43aed9ee IZ |
383 | $I_m_init = 1; |
384 | ||
d338d6fe | 385 | ############################################################ Subroutines |
386 | ||
d338d6fe | 387 | sub DB { |
36477c24 | 388 | # _After_ the perl program is compiled, $single is set to 1: |
389 | if ($single and not $second_time++) { | |
390 | if ($runnonstop) { # Disable until signal | |
f8b5b99c | 391 | for ($i=0; $i <= $stack_depth; ) { |
d338d6fe | 392 | $stack[$i++] &= ~1; |
393 | } | |
54d04a52 | 394 | $single = 0; |
36477c24 | 395 | # return; # Would not print trace! |
3aefca04 IZ |
396 | } elsif ($ImmediateStop) { |
397 | $ImmediateStop = 0; | |
398 | $signal = 1; | |
54d04a52 | 399 | } |
d338d6fe | 400 | } |
36477c24 | 401 | $runnonstop = 0 if $single or $signal; # Disable it if interactive. |
d338d6fe | 402 | &save; |
d338d6fe | 403 | ($package, $filename, $line) = caller; |
54d04a52 | 404 | $filename_ini = $filename; |
22fae026 | 405 | $usercontext = '($@, $!, $^E, $,, $/, $\, $^W) = @saved;' . |
d338d6fe | 406 | "package $package;"; # this won't let them modify, alas |
8ebc5c01 | 407 | local(*dbline) = $main::{'_<' . $filename}; |
d338d6fe | 408 | $max = $#dbline; |
409 | if (($stop,$action) = split(/\0/,$dbline{$line})) { | |
410 | if ($stop eq '1') { | |
411 | $signal |= 1; | |
54d04a52 | 412 | } elsif ($stop) { |
3f521411 | 413 | $evalarg = "\$DB::signal |= 1 if do {$stop}"; &eval; |
d338d6fe | 414 | $dbline{$line} =~ s/;9($|\0)/$1/; |
415 | } | |
416 | } | |
36477c24 | 417 | my $was_signal = $signal; |
6027b9a3 IZ |
418 | if ($trace & 2) { |
419 | for (my $n = 0; $n <= $#to_watch; $n++) { | |
420 | $evalarg = $to_watch[$n]; | |
ed0d1bf7 | 421 | local $onetimeDump; # Do not output results |
6027b9a3 IZ |
422 | my ($val) = &eval; # Fix context (&eval is doing array)? |
423 | $val = ( (defined $val) ? "'$val'" : 'undef' ); | |
424 | if ($val ne $old_watch[$n]) { | |
425 | $signal = 1; | |
426 | print $OUT <<EOP; | |
405ff068 IZ |
427 | Watchpoint $n:\t$to_watch[$n] changed: |
428 | old value:\t$old_watch[$n] | |
429 | new value:\t$val | |
6027b9a3 IZ |
430 | EOP |
431 | $old_watch[$n] = $val; | |
432 | } | |
433 | } | |
434 | } | |
435 | if ($trace & 4) { # User-installed watch | |
436 | return if watchfunction($package, $filename, $line) | |
437 | and not $single and not $was_signal and not ($trace & ~4); | |
438 | } | |
439 | $was_signal = $signal; | |
36477c24 | 440 | $signal = 0; |
6027b9a3 | 441 | if ($single || ($trace & 1) || $was_signal) { |
d338d6fe | 442 | if ($emacs) { |
54d04a52 IZ |
443 | $position = "\032\032$filename:$line:0\n"; |
444 | print $LINEINFO $position; | |
405ff068 | 445 | } elsif ($package eq 'DB::fake') { |
65c9c81d | 446 | $term || &setterm; |
405ff068 IZ |
447 | print_help(<<EOP); |
448 | Debugged program terminated. Use B<q> to quit or B<R> to restart, | |
449 | use B<O> I<inhibit_exit> to avoid stopping after program termination, | |
450 | B<h q>, B<h R> or B<h O> to get additional info. | |
451 | EOP | |
452 | $package = 'main'; | |
363b4d59 | 453 | $usercontext = '($@, $!, $^E, $,, $/, $\, $^W) = @saved;' . |
405ff068 | 454 | "package $package;"; # this won't let them modify, alas |
d338d6fe | 455 | } else { |
456 | $sub =~ s/\'/::/; | |
457 | $prefix = $sub =~ /::/ ? "" : "${'package'}::"; | |
458 | $prefix .= "$sub($filename:"; | |
459 | $after = ($dbline[$line] =~ /\n$/ ? '' : "\n"); | |
460 | if (length($prefix) > 30) { | |
54d04a52 | 461 | $position = "$prefix$line):\n$line:\t$dbline[$line]$after"; |
d338d6fe | 462 | $prefix = ""; |
463 | $infix = ":\t"; | |
464 | } else { | |
465 | $infix = "):\t"; | |
54d04a52 | 466 | $position = "$prefix$line$infix$dbline[$line]$after"; |
36477c24 | 467 | } |
468 | if ($frame) { | |
f8b5b99c | 469 | print $LINEINFO ' ' x $stack_depth, "$line:\t$dbline[$line]$after"; |
36477c24 | 470 | } else { |
54d04a52 | 471 | print $LINEINFO $position; |
d338d6fe | 472 | } |
473 | for ($i = $line + 1; $i <= $max && $dbline[$i] == 0; ++$i) { #{ vi | |
474 | last if $dbline[$i] =~ /^\s*[\;\}\#\n]/; | |
36477c24 | 475 | last if $signal; |
d338d6fe | 476 | $after = ($dbline[$i] =~ /\n$/ ? '' : "\n"); |
54d04a52 | 477 | $incr_pos = "$prefix$i$infix$dbline[$i]$after"; |
54d04a52 | 478 | $position .= $incr_pos; |
36477c24 | 479 | if ($frame) { |
f8b5b99c | 480 | print $LINEINFO ' ' x $stack_depth, "$i:\t$dbline[$i]$after"; |
36477c24 | 481 | } else { |
482 | print $LINEINFO $incr_pos; | |
483 | } | |
d338d6fe | 484 | } |
485 | } | |
486 | } | |
487 | $evalarg = $action, &eval if $action; | |
36477c24 | 488 | if ($single || $was_signal) { |
d338d6fe | 489 | local $level = $level + 1; |
e63173ce IZ |
490 | foreach $evalarg (@$pre) { |
491 | &eval; | |
492 | } | |
f8b5b99c | 493 | print $OUT $stack_depth . " levels deep in subroutine calls!\n" |
d338d6fe | 494 | if $single & 4; |
495 | $start = $line; | |
1d06cb2d | 496 | $incr = -1; # for backward motion. |
6657d1ba | 497 | @typeahead = (@$pretype, @typeahead); |
d338d6fe | 498 | CMD: |
499 | while (($term || &setterm), | |
f36776d9 | 500 | ($term_pid == $$ or &resetterm), |
54d04a52 IZ |
501 | defined ($cmd=&readline(" DB" . ('<' x $level) . |
502 | ($#hist+1) . ('>' x $level) . | |
503 | " "))) { | |
d338d6fe | 504 | $single = 0; |
505 | $signal = 0; | |
506 | $cmd =~ s/\\$/\n/ && do { | |
54d04a52 | 507 | $cmd .= &readline(" cont: "); |
d338d6fe | 508 | redo CMD; |
509 | }; | |
d338d6fe | 510 | $cmd =~ /^$/ && ($cmd = $laststep); |
511 | push(@hist,$cmd) if length($cmd) > 1; | |
512 | PIPE: { | |
513 | ($i) = split(/\s+/,$cmd); | |
514 | eval "\$cmd =~ $alias{$i}", print $OUT $@ if $alias{$i}; | |
477ea2b1 | 515 | $cmd =~ /^q$/ && ($exiting = 1) && exit 0; |
d338d6fe | 516 | $cmd =~ /^h$/ && do { |
6027b9a3 | 517 | print_help($help); |
d338d6fe | 518 | next CMD; }; |
519 | $cmd =~ /^h\s+h$/ && do { | |
6027b9a3 | 520 | print_help($summary); |
d338d6fe | 521 | next CMD; }; |
522 | $cmd =~ /^h\s+(\S)$/ && do { | |
523 | my $asked = "\Q$1"; | |
6027b9a3 IZ |
524 | if ($help =~ /^(?:[IB]<)$asked/m) { |
525 | while ($help =~ /^((?:[IB]<)$asked([\s\S]*?)\n)(?!\s)/mg) { | |
526 | print_help($1); | |
55497cff | 527 | } |
d338d6fe | 528 | } else { |
6027b9a3 | 529 | print_help("B<$asked> is not a debugger command.\n"); |
d338d6fe | 530 | } |
531 | next CMD; }; | |
532 | $cmd =~ /^t$/ && do { | |
6027b9a3 IZ |
533 | ($trace & 1) ? ($trace &= ~1) : ($trace |= 1); |
534 | print $OUT "Trace = " . | |
535 | (($trace & 1) ? "on" : "off" ) . "\n"; | |
d338d6fe | 536 | next CMD; }; |
537 | $cmd =~ /^S(\s+(!)?(.+))?$/ && do { | |
538 | $Srev = defined $2; $Spatt = $3; $Snocheck = ! defined $1; | |
539 | foreach $subname (sort(keys %sub)) { | |
540 | if ($Snocheck or $Srev^($subname =~ /$Spatt/)) { | |
541 | print $OUT $subname,"\n"; | |
542 | } | |
543 | } | |
544 | next CMD; }; | |
ee971a18 | 545 | $cmd =~ /^v$/ && do { |
546 | list_versions(); next CMD}; | |
d338d6fe | 547 | $cmd =~ s/^X\b/V $package/; |
548 | $cmd =~ /^V$/ && do { | |
549 | $cmd = "V $package"; }; | |
550 | $cmd =~ /^V\b\s*(\S+)\s*(.*)/ && do { | |
551 | local ($savout) = select($OUT); | |
552 | $packname = $1; | |
553 | @vars = split(' ',$2); | |
554 | do 'dumpvar.pl' unless defined &main::dumpvar; | |
555 | if (defined &main::dumpvar) { | |
54d04a52 | 556 | local $frame = 0; |
ee971a18 | 557 | local $doret = -2; |
d338d6fe | 558 | &main::dumpvar($packname,@vars); |
559 | } else { | |
560 | print $OUT "dumpvar.pl not available.\n"; | |
561 | } | |
562 | select ($savout); | |
563 | next CMD; }; | |
564 | $cmd =~ s/^x\b/ / && do { # So that will be evaled | |
1d06cb2d IZ |
565 | $onetimeDump = 'dump'; }; |
566 | $cmd =~ s/^m\s+([\w:]+)\s*$/ / && do { | |
567 | methods($1); next CMD}; | |
568 | $cmd =~ s/^m\b/ / && do { # So this will be evaled | |
569 | $onetimeDump = 'methods'; }; | |
d338d6fe | 570 | $cmd =~ /^f\b\s*(.*)/ && do { |
571 | $file = $1; | |
477ea2b1 | 572 | $file =~ s/\s+$//; |
d338d6fe | 573 | if (!$file) { |
574 | print $OUT "The old f command is now the r command.\n"; | |
575 | print $OUT "The new f command switches filenames.\n"; | |
576 | next CMD; | |
577 | } | |
578 | if (!defined $main::{'_<' . $file}) { | |
579 | if (($try) = grep(m#^_<.*$file#, keys %main::)) {{ | |
477ea2b1 IZ |
580 | $try = substr($try,2); |
581 | print $OUT "Choosing $try matching `$file':\n"; | |
582 | $file = $try; | |
d338d6fe | 583 | }} |
584 | } | |
585 | if (!defined $main::{'_<' . $file}) { | |
04fb8f4b | 586 | print $OUT "No file matching `$file' is loaded.\n"; |
d338d6fe | 587 | next CMD; |
588 | } elsif ($file ne $filename) { | |
8ebc5c01 | 589 | *dbline = $main::{'_<' . $file}; |
d338d6fe | 590 | $max = $#dbline; |
591 | $filename = $file; | |
592 | $start = 1; | |
593 | $cmd = "l"; | |
477ea2b1 IZ |
594 | } else { |
595 | print $OUT "Already in $file.\n"; | |
596 | next CMD; | |
597 | } | |
598 | }; | |
1d06cb2d | 599 | $cmd =~ s/^l\s+-\s*$/-/; |
83ee9e09 GS |
600 | $cmd =~ /^([lb])\b\s*(\$.*)/s && do { |
601 | $evalarg = $2; | |
602 | my ($s) = &eval; | |
603 | print($OUT "Error: $@\n"), next CMD if $@; | |
604 | $s = CvGV_name($s); | |
605 | print($OUT "Interpreted as: $1 $s\n"); | |
606 | $cmd = "$1 $s"; | |
607 | }; | |
608 | $cmd =~ /^l\b\s*([\':A-Za-z_][\':\w]*(\[.*\])?)/s && do { | |
d338d6fe | 609 | $subname = $1; |
610 | $subname =~ s/\'/::/; | |
477ea2b1 IZ |
611 | $subname = $package."::".$subname |
612 | unless $subname =~ /::/; | |
d338d6fe | 613 | $subname = "main".$subname if substr($subname,0,2) eq "::"; |
83ee9e09 | 614 | @pieces = split(/:/,find_sub($subname) || $sub{$subname}); |
d338d6fe | 615 | $subrange = pop @pieces; |
616 | $file = join(':', @pieces); | |
617 | if ($file ne $filename) { | |
bee32ff8 GS |
618 | print $OUT "Switching to file '$file'.\n" |
619 | unless $emacs; | |
8ebc5c01 | 620 | *dbline = $main::{'_<' . $file}; |
d338d6fe | 621 | $max = $#dbline; |
622 | $filename = $file; | |
623 | } | |
624 | if ($subrange) { | |
625 | if (eval($subrange) < -$window) { | |
626 | $subrange =~ s/-.*/+/; | |
627 | } | |
628 | $cmd = "l $subrange"; | |
629 | } else { | |
630 | print $OUT "Subroutine $subname not found.\n"; | |
631 | next CMD; | |
632 | } }; | |
54d04a52 | 633 | $cmd =~ /^\.$/ && do { |
1d06cb2d | 634 | $incr = -1; # for backward motion. |
54d04a52 IZ |
635 | $start = $line; |
636 | $filename = $filename_ini; | |
8ebc5c01 | 637 | *dbline = $main::{'_<' . $filename}; |
54d04a52 IZ |
638 | $max = $#dbline; |
639 | print $LINEINFO $position; | |
640 | next CMD }; | |
d338d6fe | 641 | $cmd =~ /^w\b\s*(\d*)$/ && do { |
642 | $incr = $window - 1; | |
643 | $start = $1 if $1; | |
644 | $start -= $preview; | |
54d04a52 | 645 | #print $OUT 'l ' . $start . '-' . ($start + $incr); |
d338d6fe | 646 | $cmd = 'l ' . $start . '-' . ($start + $incr); }; |
647 | $cmd =~ /^-$/ && do { | |
1d06cb2d IZ |
648 | $start -= $incr + $window + 1; |
649 | $start = 1 if $start <= 0; | |
d338d6fe | 650 | $incr = $window - 1; |
1d06cb2d | 651 | $cmd = 'l ' . ($start) . '+'; }; |
d338d6fe | 652 | $cmd =~ /^l$/ && do { |
653 | $incr = $window - 1; | |
654 | $cmd = 'l ' . $start . '-' . ($start + $incr); }; | |
655 | $cmd =~ /^l\b\s*(\d*)\+(\d*)$/ && do { | |
656 | $start = $1 if $1; | |
657 | $incr = $2; | |
658 | $incr = $window - 1 unless $incr; | |
659 | $cmd = 'l ' . $start . '-' . ($start + $incr); }; | |
54d04a52 IZ |
660 | $cmd =~ /^l\b\s*((-?[\d\$\.]+)([-,]([\d\$\.]+))?)?/ && do { |
661 | $end = (!defined $2) ? $max : ($4 ? $4 : $2); | |
d338d6fe | 662 | $end = $max if $end > $max; |
663 | $i = $2; | |
664 | $i = $line if $i eq '.'; | |
665 | $i = 1 if $i < 1; | |
1d06cb2d | 666 | $incr = $end - $i; |
d338d6fe | 667 | if ($emacs) { |
668 | print $OUT "\032\032$filename:$i:0\n"; | |
669 | $i = $end; | |
670 | } else { | |
671 | for (; $i <= $end; $i++) { | |
54d04a52 IZ |
672 | ($stop,$action) = split(/\0/, $dbline{$i}); |
673 | $arrow = ($i==$line | |
674 | and $filename eq $filename_ini) | |
675 | ? '==>' | |
36477c24 | 676 | : ($dbline[$i]+0 ? ':' : ' ') ; |
54d04a52 IZ |
677 | $arrow .= 'b' if $stop; |
678 | $arrow .= 'a' if $action; | |
679 | print $OUT "$i$arrow\t", $dbline[$i]; | |
65c9c81d | 680 | $i++, last if $signal; |
d338d6fe | 681 | } |
65c9c81d | 682 | print $OUT "\n" unless $dbline[$i-1] =~ /\n$/; |
d338d6fe | 683 | } |
684 | $start = $i; # remember in case they want more | |
685 | $start = $max if $start > $max; | |
686 | next CMD; }; | |
687 | $cmd =~ /^D$/ && do { | |
55497cff | 688 | print $OUT "Deleting all breakpoints...\n"; |
689 | my $file; | |
690 | for $file (keys %had_breakpoints) { | |
8ebc5c01 | 691 | local *dbline = $main::{'_<' . $file}; |
55497cff | 692 | my $max = $#dbline; |
693 | my $was; | |
694 | ||
d338d6fe | 695 | for ($i = 1; $i <= $max ; $i++) { |
696 | if (defined $dbline{$i}) { | |
697 | $dbline{$i} =~ s/^[^\0]+//; | |
698 | if ($dbline{$i} =~ s/^\0?$//) { | |
699 | delete $dbline{$i}; | |
700 | } | |
701 | } | |
702 | } | |
55497cff | 703 | } |
704 | undef %postponed; | |
705 | undef %postponed_file; | |
706 | undef %break_on_load; | |
707 | undef %had_breakpoints; | |
708 | next CMD; }; | |
d338d6fe | 709 | $cmd =~ /^L$/ && do { |
55497cff | 710 | my $file; |
711 | for $file (keys %had_breakpoints) { | |
8ebc5c01 | 712 | local *dbline = $main::{'_<' . $file}; |
55497cff | 713 | my $max = $#dbline; |
714 | my $was; | |
715 | ||
d338d6fe | 716 | for ($i = 1; $i <= $max; $i++) { |
717 | if (defined $dbline{$i}) { | |
2002527a | 718 | print $OUT "$file:\n" unless $was++; |
55497cff | 719 | print $OUT " $i:\t", $dbline[$i]; |
d338d6fe | 720 | ($stop,$action) = split(/\0/, $dbline{$i}); |
55497cff | 721 | print $OUT " break if (", $stop, ")\n" |
d338d6fe | 722 | if $stop; |
55497cff | 723 | print $OUT " action: ", $action, "\n" |
d338d6fe | 724 | if $action; |
725 | last if $signal; | |
726 | } | |
727 | } | |
55497cff | 728 | } |
729 | if (%postponed) { | |
730 | print $OUT "Postponed breakpoints in subroutines:\n"; | |
731 | my $subname; | |
732 | for $subname (keys %postponed) { | |
733 | print $OUT " $subname\t$postponed{$subname}\n"; | |
734 | last if $signal; | |
735 | } | |
736 | } | |
737 | my @have = map { # Combined keys | |
738 | keys %{$postponed_file{$_}} | |
739 | } keys %postponed_file; | |
740 | if (@have) { | |
741 | print $OUT "Postponed breakpoints in files:\n"; | |
742 | my ($file, $line); | |
743 | for $file (keys %postponed_file) { | |
0c395bd7 | 744 | my $db = $postponed_file{$file}; |
55497cff | 745 | print $OUT " $file:\n"; |
0c395bd7 | 746 | for $line (sort {$a <=> $b} keys %$db) { |
08a4aec0 | 747 | print $OUT " $line:\n"; |
0c395bd7 | 748 | my ($stop,$action) = split(/\0/, $$db{$line}); |
55497cff | 749 | print $OUT " break if (", $stop, ")\n" |
750 | if $stop; | |
751 | print $OUT " action: ", $action, "\n" | |
752 | if $action; | |
753 | last if $signal; | |
754 | } | |
755 | last if $signal; | |
756 | } | |
757 | } | |
758 | if (%break_on_load) { | |
759 | print $OUT "Breakpoints on load:\n"; | |
760 | my $file; | |
761 | for $file (keys %break_on_load) { | |
762 | print $OUT " $file\n"; | |
763 | last if $signal; | |
764 | } | |
765 | } | |
6027b9a3 IZ |
766 | if ($trace & 2) { |
767 | print $OUT "Watch-expressions:\n"; | |
768 | my $expr; | |
769 | for $expr (@to_watch) { | |
770 | print $OUT " $expr\n"; | |
771 | last if $signal; | |
772 | } | |
773 | } | |
55497cff | 774 | next CMD; }; |
775 | $cmd =~ /^b\b\s*load\b\s*(.*)/ && do { | |
477ea2b1 | 776 | my $file = $1; $file =~ s/\s+$//; |
55497cff | 777 | { |
778 | $break_on_load{$file} = 1; | |
779 | $break_on_load{$::INC{$file}} = 1 if $::INC{$file}; | |
780 | $file .= '.pm', redo unless $file =~ /\./; | |
781 | } | |
782 | $had_breakpoints{$file} = 1; | |
783 | print $OUT "Will stop on load of `@{[join '\', `', sort keys %break_on_load]}'.\n"; | |
784 | next CMD; }; | |
1d06cb2d IZ |
785 | $cmd =~ /^b\b\s*(postpone|compile)\b\s*([':A-Za-z_][':\w]*)\s*(.*)/ && do { |
786 | my $cond = $3 || '1'; | |
787 | my ($subname, $break) = ($2, $1 eq 'postpone'); | |
55497cff | 788 | $subname =~ s/\'/::/; |
789 | $subname = "${'package'}::" . $subname | |
790 | unless $subname =~ /::/; | |
791 | $subname = "main".$subname if substr($subname,0,2) eq "::"; | |
1d06cb2d IZ |
792 | $postponed{$subname} = $break |
793 | ? "break +0 if $cond" : "compile"; | |
d338d6fe | 794 | next CMD; }; |
83ee9e09 | 795 | $cmd =~ /^b\b\s*([':A-Za-z_][':\w]*(?:\[.*\])?)\s*(.*)/ && do { |
d338d6fe | 796 | $subname = $1; |
797 | $cond = $2 || '1'; | |
798 | $subname =~ s/\'/::/; | |
799 | $subname = "${'package'}::" . $subname | |
800 | unless $subname =~ /::/; | |
801 | $subname = "main".$subname if substr($subname,0,2) eq "::"; | |
802 | # Filename below can contain ':' | |
1d06cb2d | 803 | ($file,$i) = (find_sub($subname) =~ /^(.*):(.*)$/); |
d338d6fe | 804 | $i += 0; |
805 | if ($i) { | |
bee32ff8 GS |
806 | local $filename = $file; |
807 | local *dbline = $main::{'_<' . $filename}; | |
55497cff | 808 | $had_breakpoints{$filename} = 1; |
d338d6fe | 809 | $max = $#dbline; |
810 | ++$i while $dbline[$i] == 0 && $i < $max; | |
811 | $dbline{$i} =~ s/^[^\0]*/$cond/; | |
812 | } else { | |
813 | print $OUT "Subroutine $subname not found.\n"; | |
814 | } | |
815 | next CMD; }; | |
816 | $cmd =~ /^b\b\s*(\d*)\s*(.*)/ && do { | |
817 | $i = ($1?$1:$line); | |
818 | $cond = $2 || '1'; | |
819 | if ($dbline[$i] == 0) { | |
820 | print $OUT "Line $i not breakable.\n"; | |
821 | } else { | |
55497cff | 822 | $had_breakpoints{$filename} = 1; |
d338d6fe | 823 | $dbline{$i} =~ s/^[^\0]*/$cond/; |
824 | } | |
825 | next CMD; }; | |
826 | $cmd =~ /^d\b\s*(\d+)?/ && do { | |
827 | $i = ($1?$1:$line); | |
828 | $dbline{$i} =~ s/^[^\0]*//; | |
829 | delete $dbline{$i} if $dbline{$i} eq ''; | |
830 | next CMD; }; | |
831 | $cmd =~ /^A$/ && do { | |
55497cff | 832 | my $file; |
833 | for $file (keys %had_breakpoints) { | |
8ebc5c01 | 834 | local *dbline = $main::{'_<' . $file}; |
55497cff | 835 | my $max = $#dbline; |
836 | my $was; | |
837 | ||
d338d6fe | 838 | for ($i = 1; $i <= $max ; $i++) { |
839 | if (defined $dbline{$i}) { | |
840 | $dbline{$i} =~ s/\0[^\0]*//; | |
841 | delete $dbline{$i} if $dbline{$i} eq ''; | |
842 | } | |
843 | } | |
55497cff | 844 | } |
845 | next CMD; }; | |
d338d6fe | 846 | $cmd =~ /^O\s*$/ && do { |
847 | for (@options) { | |
848 | &dump_option($_); | |
849 | } | |
850 | next CMD; }; | |
851 | $cmd =~ /^O\s*(\S.*)/ && do { | |
852 | parse_options($1); | |
853 | next CMD; }; | |
55497cff | 854 | $cmd =~ /^\<\<\s*(.*)/ && do { # \<\< for CPerl sake: not HERE |
855 | push @$pre, action($1); | |
856 | next CMD; }; | |
857 | $cmd =~ /^>>\s*(.*)/ && do { | |
858 | push @$post, action($1); | |
859 | next CMD; }; | |
d338d6fe | 860 | $cmd =~ /^<\s*(.*)/ && do { |
55497cff | 861 | $pre = [], next CMD unless $1; |
862 | $pre = [action($1)]; | |
d338d6fe | 863 | next CMD; }; |
864 | $cmd =~ /^>\s*(.*)/ && do { | |
55497cff | 865 | $post = [], next CMD unless $1; |
866 | $post = [action($1)]; | |
867 | next CMD; }; | |
868 | $cmd =~ /^\{\{\s*(.*)/ && do { | |
869 | push @$pretype, $1; | |
870 | next CMD; }; | |
871 | $cmd =~ /^\{\s*(.*)/ && do { | |
872 | $pretype = [], next CMD unless $1; | |
873 | $pretype = [$1]; | |
d338d6fe | 874 | next CMD; }; |
875 | $cmd =~ /^a\b\s*(\d+)(\s+(.*))?/ && do { | |
876 | $i = $1; $j = $3; | |
877 | if ($dbline[$i] == 0) { | |
878 | print $OUT "Line $i may not have an action.\n"; | |
879 | } else { | |
880 | $dbline{$i} =~ s/\0[^\0]*//; | |
881 | $dbline{$i} .= "\0" . action($j); | |
882 | } | |
883 | next CMD; }; | |
884 | $cmd =~ /^n$/ && do { | |
4639966b | 885 | end_report(), next CMD if $finished and $level <= 1; |
d338d6fe | 886 | $single = 2; |
887 | $laststep = $cmd; | |
888 | last CMD; }; | |
889 | $cmd =~ /^s$/ && do { | |
4639966b | 890 | end_report(), next CMD if $finished and $level <= 1; |
d338d6fe | 891 | $single = 1; |
892 | $laststep = $cmd; | |
893 | last CMD; }; | |
54d04a52 | 894 | $cmd =~ /^c\b\s*([\w:]*)\s*$/ && do { |
4639966b | 895 | end_report(), next CMD if $finished and $level <= 1; |
fb73857a | 896 | $subname = $i = $1; |
bee32ff8 GS |
897 | # Probably not needed, since we finish an interactive |
898 | # sub-session anyway... | |
899 | # local $filename = $filename; | |
900 | # local *dbline = *dbline; # XXX Would this work?! | |
54d04a52 | 901 | if ($i =~ /\D/) { # subroutine name |
fb73857a | 902 | $subname = $package."::".$subname |
903 | unless $subname =~ /::/; | |
904 | ($file,$i) = (find_sub($subname) =~ /^(.*):(.*)$/); | |
54d04a52 IZ |
905 | $i += 0; |
906 | if ($i) { | |
907 | $filename = $file; | |
8ebc5c01 | 908 | *dbline = $main::{'_<' . $filename}; |
55497cff | 909 | $had_breakpoints{$filename}++; |
54d04a52 IZ |
910 | $max = $#dbline; |
911 | ++$i while $dbline[$i] == 0 && $i < $max; | |
912 | } else { | |
913 | print $OUT "Subroutine $subname not found.\n"; | |
914 | next CMD; | |
915 | } | |
916 | } | |
d338d6fe | 917 | if ($i) { |
918 | if ($dbline[$i] == 0) { | |
919 | print $OUT "Line $i not breakable.\n"; | |
920 | next CMD; | |
921 | } | |
922 | $dbline{$i} =~ s/($|\0)/;9$1/; # add one-time-only b.p. | |
923 | } | |
f8b5b99c | 924 | for ($i=0; $i <= $stack_depth; ) { |
d338d6fe | 925 | $stack[$i++] &= ~1; |
926 | } | |
927 | last CMD; }; | |
928 | $cmd =~ /^r$/ && do { | |
4639966b | 929 | end_report(), next CMD if $finished and $level <= 1; |
f8b5b99c IZ |
930 | $stack[$stack_depth] |= 1; |
931 | $doret = $option{PrintRet} ? $stack_depth - 1 : -2; | |
d338d6fe | 932 | last CMD; }; |
54d04a52 | 933 | $cmd =~ /^R$/ && do { |
55497cff | 934 | print $OUT "Warning: some settings and command-line options may be lost!\n"; |
54d04a52 IZ |
935 | my (@script, @flags, $cl); |
936 | push @flags, '-w' if $ini_warn; | |
937 | # Put all the old includes at the start to get | |
938 | # the same debugger. | |
939 | for (@ini_INC) { | |
940 | push @flags, '-I', $_; | |
941 | } | |
942 | # Arrange for setting the old INC: | |
943 | set_list("PERLDB_INC", @ini_INC); | |
944 | if ($0 eq '-e') { | |
945 | for (1..$#{'::_<-e'}) { # The first line is PERL5DB | |
946 | chomp ($cl = $ {'::_<-e'}[$_]); | |
947 | push @script, '-e', $cl; | |
948 | } | |
949 | } else { | |
950 | @script = $0; | |
951 | } | |
952 | set_list("PERLDB_HIST", | |
953 | $term->Features->{getHistory} | |
954 | ? $term->GetHistory : @hist); | |
55497cff | 955 | my @had_breakpoints = keys %had_breakpoints; |
956 | set_list("PERLDB_VISITED", @had_breakpoints); | |
54d04a52 | 957 | set_list("PERLDB_OPT", %option); |
55497cff | 958 | set_list("PERLDB_ON_LOAD", %break_on_load); |
959 | my @hard; | |
960 | for (0 .. $#had_breakpoints) { | |
961 | my $file = $had_breakpoints[$_]; | |
8ebc5c01 | 962 | *dbline = $main::{'_<' . $file}; |
0c395bd7 | 963 | next unless %dbline or $postponed_file{$file}; |
55497cff | 964 | (push @hard, $file), next |
965 | if $file =~ /^\(eval \d+\)$/; | |
966 | my @add; | |
967 | @add = %{$postponed_file{$file}} | |
0c395bd7 | 968 | if $postponed_file{$file}; |
55497cff | 969 | set_list("PERLDB_FILE_$_", %dbline, @add); |
970 | } | |
971 | for (@hard) { # Yes, really-really... | |
972 | # Find the subroutines in this eval | |
8ebc5c01 | 973 | *dbline = $main::{'_<' . $_}; |
55497cff | 974 | my ($quoted, $sub, %subs, $line) = quotemeta $_; |
975 | for $sub (keys %sub) { | |
976 | next unless $sub{$sub} =~ /^$quoted:(\d+)-(\d+)$/; | |
977 | $subs{$sub} = [$1, $2]; | |
978 | } | |
979 | unless (%subs) { | |
980 | print $OUT | |
981 | "No subroutines in $_, ignoring breakpoints.\n"; | |
982 | next; | |
983 | } | |
984 | LINES: for $line (keys %dbline) { | |
985 | # One breakpoint per sub only: | |
986 | my ($offset, $sub, $found); | |
987 | SUBS: for $sub (keys %subs) { | |
988 | if ($subs{$sub}->[1] >= $line # Not after the subroutine | |
989 | and (not defined $offset # Not caught | |
990 | or $offset < 0 )) { # or badly caught | |
991 | $found = $sub; | |
992 | $offset = $line - $subs{$sub}->[0]; | |
993 | $offset = "+$offset", last SUBS if $offset >= 0; | |
994 | } | |
995 | } | |
996 | if (defined $offset) { | |
997 | $postponed{$found} = | |
998 | "break $offset if $dbline{$line}"; | |
999 | } else { | |
1000 | print $OUT "Breakpoint in $_:$line ignored: after all the subroutines.\n"; | |
1001 | } | |
1002 | } | |
54d04a52 | 1003 | } |
55497cff | 1004 | set_list("PERLDB_POSTPONE", %postponed); |
43aed9ee IZ |
1005 | set_list("PERLDB_PRETYPE", @$pretype); |
1006 | set_list("PERLDB_PRE", @$pre); | |
1007 | set_list("PERLDB_POST", @$post); | |
1008 | set_list("PERLDB_TYPEAHEAD", @typeahead); | |
54d04a52 IZ |
1009 | $ENV{PERLDB_RESTART} = 1; |
1010 | #print "$^X, '-d', @flags, @script, ($emacs ? '-emacs' : ()), @ARGS"; | |
1011 | exec $^X, '-d', @flags, @script, ($emacs ? '-emacs' : ()), @ARGS; | |
1012 | print $OUT "exec failed: $!\n"; | |
1013 | last CMD; }; | |
d338d6fe | 1014 | $cmd =~ /^T$/ && do { |
36477c24 | 1015 | print_trace($OUT, 1); # skip DB |
d338d6fe | 1016 | next CMD; }; |
6027b9a3 IZ |
1017 | $cmd =~ /^W\s*$/ && do { |
1018 | $trace &= ~2; | |
1019 | @to_watch = @old_watch = (); | |
1020 | next CMD; }; | |
1021 | $cmd =~ /^W\b\s*(.*)/s && do { | |
1022 | push @to_watch, $1; | |
1023 | $evalarg = $1; | |
1024 | my ($val) = &eval; | |
1025 | $val = (defined $val) ? "'$val'" : 'undef' ; | |
1026 | push @old_watch, $val; | |
1027 | $trace |= 2; | |
1028 | next CMD; }; | |
d338d6fe | 1029 | $cmd =~ /^\/(.*)$/ && do { |
1030 | $inpat = $1; | |
1031 | $inpat =~ s:([^\\])/$:$1:; | |
1032 | if ($inpat ne "") { | |
1033 | eval '$inpat =~ m'."\a$inpat\a"; | |
1034 | if ($@ ne "") { | |
1035 | print $OUT "$@"; | |
1036 | next CMD; | |
1037 | } | |
1038 | $pat = $inpat; | |
1039 | } | |
1040 | $end = $start; | |
1d06cb2d | 1041 | $incr = -1; |
d338d6fe | 1042 | eval ' |
1043 | for (;;) { | |
1044 | ++$start; | |
1045 | $start = 1 if ($start > $max); | |
1046 | last if ($start == $end); | |
1047 | if ($dbline[$start] =~ m' . "\a$pat\a" . 'i) { | |
1048 | if ($emacs) { | |
1049 | print $OUT "\032\032$filename:$start:0\n"; | |
1050 | } else { | |
1051 | print $OUT "$start:\t", $dbline[$start], "\n"; | |
1052 | } | |
1053 | last; | |
1054 | } | |
1055 | } '; | |
1056 | print $OUT "/$pat/: not found\n" if ($start == $end); | |
1057 | next CMD; }; | |
1058 | $cmd =~ /^\?(.*)$/ && do { | |
1059 | $inpat = $1; | |
1060 | $inpat =~ s:([^\\])\?$:$1:; | |
1061 | if ($inpat ne "") { | |
1062 | eval '$inpat =~ m'."\a$inpat\a"; | |
1063 | if ($@ ne "") { | |
1064 | print $OUT "$@"; | |
1065 | next CMD; | |
1066 | } | |
1067 | $pat = $inpat; | |
1068 | } | |
1069 | $end = $start; | |
1d06cb2d | 1070 | $incr = -1; |
d338d6fe | 1071 | eval ' |
1072 | for (;;) { | |
1073 | --$start; | |
1074 | $start = $max if ($start <= 0); | |
1075 | last if ($start == $end); | |
1076 | if ($dbline[$start] =~ m' . "\a$pat\a" . 'i) { | |
1077 | if ($emacs) { | |
1078 | print $OUT "\032\032$filename:$start:0\n"; | |
1079 | } else { | |
1080 | print $OUT "$start:\t", $dbline[$start], "\n"; | |
1081 | } | |
1082 | last; | |
1083 | } | |
1084 | } '; | |
1085 | print $OUT "?$pat?: not found\n" if ($start == $end); | |
1086 | next CMD; }; | |
1087 | $cmd =~ /^$rc+\s*(-)?(\d+)?$/ && do { | |
1088 | pop(@hist) if length($cmd) > 1; | |
1089 | $i = $1 ? ($#hist-($2?$2:1)) : ($2?$2:$#hist); | |
6921e3ed | 1090 | $cmd = $hist[$i]; |
615b993b | 1091 | print $OUT $cmd, "\n"; |
d338d6fe | 1092 | redo CMD; }; |
55497cff | 1093 | $cmd =~ /^$sh$sh\s*([\x00-\xff]*)/ && do { |
ee971a18 | 1094 | &system($1); |
d338d6fe | 1095 | next CMD; }; |
1096 | $cmd =~ /^$rc([^$rc].*)$/ && do { | |
1097 | $pat = "^$1"; | |
1098 | pop(@hist) if length($cmd) > 1; | |
1099 | for ($i = $#hist; $i; --$i) { | |
1100 | last if $hist[$i] =~ /$pat/; | |
1101 | } | |
1102 | if (!$i) { | |
1103 | print $OUT "No such command!\n\n"; | |
1104 | next CMD; | |
1105 | } | |
6921e3ed | 1106 | $cmd = $hist[$i]; |
615b993b | 1107 | print $OUT $cmd, "\n"; |
d338d6fe | 1108 | redo CMD; }; |
1109 | $cmd =~ /^$sh$/ && do { | |
1110 | &system($ENV{SHELL}||"/bin/sh"); | |
1111 | next CMD; }; | |
ee971a18 | 1112 | $cmd =~ /^$sh\s*([\x00-\xff]*)/ && do { |
1113 | &system($ENV{SHELL}||"/bin/sh","-c",$1); | |
d338d6fe | 1114 | next CMD; }; |
1115 | $cmd =~ /^H\b\s*(-(\d+))?/ && do { | |
1116 | $end = $2?($#hist-$2):0; | |
1117 | $hist = 0 if $hist < 0; | |
1118 | for ($i=$#hist; $i>$end; $i--) { | |
1119 | print $OUT "$i: ",$hist[$i],"\n" | |
1120 | unless $hist[$i] =~ /^.?$/; | |
1121 | }; | |
1122 | next CMD; }; | |
b9b857e2 IZ |
1123 | $cmd =~ s/^p$/print {\$DB::OUT} \$_/; |
1124 | $cmd =~ s/^p\b/print {\$DB::OUT} /; | |
d338d6fe | 1125 | $cmd =~ /^=/ && do { |
1126 | if (local($k,$v) = ($cmd =~ /^=\s*(\S+)\s+(.*)/)) { | |
1127 | $alias{$k}="s~$k~$v~"; | |
1128 | print $OUT "$k = $v\n"; | |
1129 | } elsif ($cmd =~ /^=\s*$/) { | |
1130 | foreach $k (sort keys(%alias)) { | |
1131 | if (($v = $alias{$k}) =~ s~^s\~$k\~(.*)\~$~$1~) { | |
1132 | print $OUT "$k = $v\n"; | |
1133 | } else { | |
1134 | print $OUT "$k\t$alias{$k}\n"; | |
1135 | }; | |
1136 | }; | |
1137 | }; | |
1138 | next CMD; }; | |
1139 | $cmd =~ /^\|\|?\s*[^|]/ && do { | |
1140 | if ($pager =~ /^\|/) { | |
1141 | open(SAVEOUT,">&STDOUT") || &warn("Can't save STDOUT"); | |
1142 | open(STDOUT,">&OUT") || &warn("Can't redirect STDOUT"); | |
1143 | } else { | |
1144 | open(SAVEOUT,">&OUT") || &warn("Can't save DB::OUT"); | |
1145 | } | |
1146 | unless ($piped=open(OUT,$pager)) { | |
1147 | &warn("Can't pipe output to `$pager'"); | |
1148 | if ($pager =~ /^\|/) { | |
1149 | open(OUT,">&STDOUT") || &warn("Can't restore DB::OUT"); | |
1150 | open(STDOUT,">&SAVEOUT") | |
1151 | || &warn("Can't restore STDOUT"); | |
1152 | close(SAVEOUT); | |
1153 | } else { | |
1154 | open(OUT,">&STDOUT") || &warn("Can't restore DB::OUT"); | |
1155 | } | |
1156 | next CMD; | |
1157 | } | |
77fb7b16 | 1158 | $SIG{PIPE}= \&DB::catch if $pager =~ /^\|/ |
d338d6fe | 1159 | && "" eq $SIG{PIPE} || "DEFAULT" eq $SIG{PIPE}; |
1160 | $selected= select(OUT); | |
1161 | $|= 1; | |
1162 | select( $selected ), $selected= "" unless $cmd =~ /^\|\|/; | |
1163 | $cmd =~ s/^\|+\s*//; | |
1164 | redo PIPE; }; | |
1165 | # XXX Local variants do not work! | |
6027b9a3 | 1166 | $cmd =~ s/^t\s/\$DB::trace |= 1;\n/; |
d338d6fe | 1167 | $cmd =~ s/^s\s/\$DB::single = 1;\n/ && do {$laststep = 's'}; |
1168 | $cmd =~ s/^n\s/\$DB::single = 2;\n/ && do {$laststep = 'n'}; | |
1169 | } # PIPE: | |
d338d6fe | 1170 | $evalarg = "\$^D = \$^D | \$DB::db_stop;\n$cmd"; &eval; |
1171 | if ($onetimeDump) { | |
1172 | $onetimeDump = undef; | |
f36776d9 | 1173 | } elsif ($term_pid == $$) { |
d338d6fe | 1174 | print $OUT "\n"; |
1175 | } | |
1176 | } continue { # CMD: | |
1177 | if ($piped) { | |
1178 | if ($pager =~ /^\|/) { | |
1179 | $?= 0; close(OUT) || &warn("Can't close DB::OUT"); | |
1180 | &warn( "Pager `$pager' failed: ", | |
1181 | ($?>>8) > 128 ? ($?>>8)-256 : ($?>>8), | |
1182 | ( $? & 128 ) ? " (core dumped)" : "", | |
1183 | ( $? & 127 ) ? " (SIG ".($?&127).")" : "", "\n" ) if $?; | |
1184 | open(OUT,">&STDOUT") || &warn("Can't restore DB::OUT"); | |
1185 | open(STDOUT,">&SAVEOUT") || &warn("Can't restore STDOUT"); | |
77fb7b16 | 1186 | $SIG{PIPE}= "DEFAULT" if $SIG{PIPE} eq \&DB::catch; |
d338d6fe | 1187 | # Will stop ignoring SIGPIPE if done like nohup(1) |
1188 | # does SIGINT but Perl doesn't give us a choice. | |
1189 | } else { | |
1190 | open(OUT,">&SAVEOUT") || &warn("Can't restore DB::OUT"); | |
1191 | } | |
1192 | close(SAVEOUT); | |
1193 | select($selected), $selected= "" unless $selected eq ""; | |
1194 | $piped= ""; | |
1195 | } | |
1196 | } # CMD: | |
04fb8f4b | 1197 | $exiting = 1 unless defined $cmd; |
e63173ce IZ |
1198 | foreach $evalarg (@$post) { |
1199 | &eval; | |
1200 | } | |
d338d6fe | 1201 | } # if ($single || $signal) |
22fae026 | 1202 | ($@, $!, $^E, $,, $/, $\, $^W) = @saved; |
d338d6fe | 1203 | (); |
1204 | } | |
1205 | ||
1206 | # The following code may be executed now: | |
1207 | # BEGIN {warn 4} | |
1208 | ||
1209 | sub sub { | |
ee971a18 | 1210 | my ($al, $ret, @ret) = ""; |
7d4a81e5 IZ |
1211 | if (length($sub) > 10 && substr($sub, -10, 10) eq '::AUTOLOAD') { |
1212 | $al = " for $$sub"; | |
ee971a18 | 1213 | } |
f8b5b99c IZ |
1214 | local $stack_depth = $stack_depth + 1; # Protect from non-local exits |
1215 | $#stack = $stack_depth; | |
1216 | $stack[-1] = $single; | |
d338d6fe | 1217 | $single &= 1; |
f8b5b99c | 1218 | $single |= 4 if $stack_depth == $deep; |
04fb8f4b | 1219 | ($frame & 4 |
f8b5b99c | 1220 | ? ( (print $LINEINFO ' ' x ($stack_depth - 1), "in "), |
04fb8f4b IZ |
1221 | # Why -1? But it works! :-( |
1222 | print_trace($LINEINFO, -1, 1, 1, "$sub$al") ) | |
f8b5b99c | 1223 | : print $LINEINFO ' ' x ($stack_depth - 1), "entering $sub$al\n") if $frame; |
d338d6fe | 1224 | if (wantarray) { |
1225 | @ret = &$sub; | |
f8b5b99c | 1226 | $single |= $stack[$stack_depth--]; |
36477c24 | 1227 | ($frame & 4 |
f8b5b99c | 1228 | ? ( (print $LINEINFO ' ' x $stack_depth, "out "), |
36477c24 | 1229 | print_trace($LINEINFO, -1, 1, 1, "$sub$al") ) |
f8b5b99c IZ |
1230 | : print $LINEINFO ' ' x $stack_depth, "exited $sub$al\n") if $frame & 2; |
1231 | if ($doret eq $stack_depth or $frame & 16) { | |
1232 | my $fh = ($doret eq $stack_depth ? $OUT : $LINEINFO); | |
1233 | print $fh ' ' x $stack_depth if $frame & 16; | |
7ea36084 IZ |
1234 | print $fh "list context return from $sub:\n"; |
1235 | dumpit($fh, \@ret ); | |
1236 | $doret = -2; | |
1237 | } | |
d338d6fe | 1238 | @ret; |
1239 | } else { | |
fb73857a | 1240 | if (defined wantarray) { |
1241 | $ret = &$sub; | |
1242 | } else { | |
1243 | &$sub; undef $ret; | |
1244 | }; | |
f8b5b99c | 1245 | $single |= $stack[$stack_depth--]; |
36477c24 | 1246 | ($frame & 4 |
f8b5b99c | 1247 | ? ( (print $LINEINFO ' ' x $stack_depth, "out "), |
36477c24 | 1248 | print_trace($LINEINFO, -1, 1, 1, "$sub$al") ) |
f8b5b99c IZ |
1249 | : print $LINEINFO ' ' x $stack_depth, "exited $sub$al\n") if $frame & 2; |
1250 | if ($doret eq $stack_depth or $frame & 16 and defined wantarray) { | |
1251 | my $fh = ($doret eq $stack_depth ? $OUT : $LINEINFO); | |
1252 | print $fh (' ' x $stack_depth) if $frame & 16; | |
7ea36084 IZ |
1253 | print $fh (defined wantarray |
1254 | ? "scalar context return from $sub: " | |
1255 | : "void context return from $sub\n"); | |
1256 | dumpit( $fh, $ret ) if defined wantarray; | |
1257 | $doret = -2; | |
1258 | } | |
d338d6fe | 1259 | $ret; |
1260 | } | |
1261 | } | |
1262 | ||
1263 | sub save { | |
22fae026 | 1264 | @saved = ($@, $!, $^E, $,, $/, $\, $^W); |
d338d6fe | 1265 | $, = ""; $/ = "\n"; $\ = ""; $^W = 0; |
1266 | } | |
1267 | ||
1268 | # The following takes its argument via $evalarg to preserve current @_ | |
1269 | ||
1270 | sub eval { | |
23a291ec | 1271 | local @res; # 'my' would make it visible from user code |
d338d6fe | 1272 | { |
23a291ec GS |
1273 | local $otrace = $trace; |
1274 | local $osingle = $single; | |
1275 | local $od = $^D; | |
d338d6fe | 1276 | @res = eval "$usercontext $evalarg;\n"; # '\n' for nice recursive debug |
1277 | $trace = $otrace; | |
1278 | $single = $osingle; | |
1279 | $^D = $od; | |
1280 | } | |
1281 | my $at = $@; | |
36477c24 | 1282 | local $saved[0]; # Preserve the old value of $@ |
22fae026 | 1283 | eval { &DB::save }; |
d338d6fe | 1284 | if ($at) { |
1285 | print $OUT $at; | |
1d06cb2d | 1286 | } elsif ($onetimeDump eq 'dump') { |
7ea36084 | 1287 | dumpit($OUT, \@res); |
1d06cb2d IZ |
1288 | } elsif ($onetimeDump eq 'methods') { |
1289 | methods($res[0]); | |
d338d6fe | 1290 | } |
6027b9a3 | 1291 | @res; |
d338d6fe | 1292 | } |
1293 | ||
55497cff | 1294 | sub postponed_sub { |
1295 | my $subname = shift; | |
1d06cb2d | 1296 | if ($postponed{$subname} =~ s/^break\s([+-]?\d+)\s+if\s//) { |
55497cff | 1297 | my $offset = $1 || 0; |
1298 | # Filename below can contain ':' | |
1d06cb2d | 1299 | my ($file,$i) = (find_sub($subname) =~ /^(.*):(\d+)-.*$/); |
55497cff | 1300 | if ($i) { |
fb73857a | 1301 | $i += $offset; |
8ebc5c01 | 1302 | local *dbline = $main::{'_<' . $file}; |
55497cff | 1303 | local $^W = 0; # != 0 is magical below |
1304 | $had_breakpoints{$file}++; | |
1305 | my $max = $#dbline; | |
1306 | ++$i until $dbline[$i] != 0 or $i >= $max; | |
1307 | $dbline{$i} = delete $postponed{$subname}; | |
1308 | } else { | |
1309 | print $OUT "Subroutine $subname not found.\n"; | |
1310 | } | |
1311 | return; | |
1312 | } | |
1d06cb2d | 1313 | elsif ($postponed{$subname} eq 'compile') { $signal = 1 } |
36477c24 | 1314 | #print $OUT "In postponed_sub for `$subname'.\n"; |
55497cff | 1315 | } |
1316 | ||
1317 | sub postponed { | |
3aefca04 IZ |
1318 | if ($ImmediateStop) { |
1319 | $ImmediateStop = 0; | |
1320 | $signal = 1; | |
1321 | } | |
55497cff | 1322 | return &postponed_sub |
1323 | unless ref \$_[0] eq 'GLOB'; # A subroutine is compiled. | |
1324 | # Cannot be done before the file is compiled | |
1325 | local *dbline = shift; | |
1326 | my $filename = $dbline; | |
1327 | $filename =~ s/^_<//; | |
36477c24 | 1328 | $signal = 1, print $OUT "'$filename' loaded...\n" |
1329 | if $break_on_load{$filename}; | |
f8b5b99c | 1330 | print $LINEINFO ' ' x $stack_depth, "Package $filename.\n" if $frame; |
0c395bd7 | 1331 | return unless $postponed_file{$filename}; |
55497cff | 1332 | $had_breakpoints{$filename}++; |
1333 | #%dbline = %{$postponed_file{$filename}}; # Cannot be done: unsufficient magic | |
1334 | my $key; | |
1335 | for $key (keys %{$postponed_file{$filename}}) { | |
1336 | $dbline{$key} = $ {$postponed_file{$filename}}{$key}; | |
54d04a52 | 1337 | } |
0c395bd7 | 1338 | delete $postponed_file{$filename}; |
54d04a52 IZ |
1339 | } |
1340 | ||
d338d6fe | 1341 | sub dumpit { |
7ea36084 | 1342 | local ($savout) = select(shift); |
ee971a18 | 1343 | my $osingle = $single; |
1344 | my $otrace = $trace; | |
1345 | $single = $trace = 0; | |
1346 | local $frame = 0; | |
1347 | local $doret = -2; | |
1348 | unless (defined &main::dumpValue) { | |
1349 | do 'dumpvar.pl'; | |
1350 | } | |
d338d6fe | 1351 | if (defined &main::dumpValue) { |
1352 | &main::dumpValue(shift); | |
1353 | } else { | |
1354 | print $OUT "dumpvar.pl not available.\n"; | |
1355 | } | |
ee971a18 | 1356 | $single = $osingle; |
1357 | $trace = $otrace; | |
d338d6fe | 1358 | select ($savout); |
1359 | } | |
1360 | ||
36477c24 | 1361 | # Tied method do not create a context, so may get wrong message: |
1362 | ||
55497cff | 1363 | sub print_trace { |
1364 | my $fh = shift; | |
36477c24 | 1365 | my @sub = dump_trace($_[0] + 1, $_[1]); |
1366 | my $short = $_[2]; # Print short report, next one for sub name | |
1d06cb2d | 1367 | my $s; |
55497cff | 1368 | for ($i=0; $i <= $#sub; $i++) { |
1369 | last if $signal; | |
1370 | local $" = ', '; | |
1371 | my $args = defined $sub[$i]{args} | |
1372 | ? "(@{ $sub[$i]{args} })" | |
1373 | : '' ; | |
1d06cb2d IZ |
1374 | $args = (substr $args, 0, $maxtrace - 3) . '...' |
1375 | if length $args > $maxtrace; | |
36477c24 | 1376 | my $file = $sub[$i]{file}; |
1377 | $file = $file eq '-e' ? $file : "file `$file'" unless $short; | |
1d06cb2d IZ |
1378 | $s = $sub[$i]{sub}; |
1379 | $s = (substr $s, 0, $maxtrace - 3) . '...' if length $s > $maxtrace; | |
36477c24 | 1380 | if ($short) { |
1d06cb2d | 1381 | my $sub = @_ >= 4 ? $_[3] : $s; |
36477c24 | 1382 | print $fh "$sub[$i]{context}=$sub$args from $file:$sub[$i]{line}\n"; |
1383 | } else { | |
1d06cb2d | 1384 | print $fh "$sub[$i]{context} = $s$args" . |
36477c24 | 1385 | " called from $file" . |
1386 | " line $sub[$i]{line}\n"; | |
1387 | } | |
55497cff | 1388 | } |
1389 | } | |
1390 | ||
1391 | sub dump_trace { | |
1392 | my $skip = shift; | |
36477c24 | 1393 | my $count = shift || 1e9; |
1394 | $skip++; | |
1395 | $count += $skip; | |
55497cff | 1396 | my ($p,$file,$line,$sub,$h,$args,$e,$r,@a,@sub,$context); |
04fb8f4b IZ |
1397 | my $nothard = not $frame & 8; |
1398 | local $frame = 0; # Do not want to trace this. | |
1399 | my $otrace = $trace; | |
1400 | $trace = 0; | |
55497cff | 1401 | for ($i = $skip; |
36477c24 | 1402 | $i < $count and ($p,$file,$line,$sub,$h,$context,$e,$r) = caller($i); |
55497cff | 1403 | $i++) { |
1404 | @a = (); | |
1405 | for $arg (@args) { | |
04fb8f4b IZ |
1406 | my $type; |
1407 | if (not defined $arg) { | |
1408 | push @a, "undef"; | |
1409 | } elsif ($nothard and tied $arg) { | |
1410 | push @a, "tied"; | |
1411 | } elsif ($nothard and $type = ref $arg) { | |
1412 | push @a, "ref($type)"; | |
1413 | } else { | |
1414 | local $_ = "$arg"; # Safe to stringify now - should not call f(). | |
1415 | s/([\'\\])/\\$1/g; | |
1416 | s/(.*)/'$1'/s | |
1417 | unless /^(?: -?[\d.]+ | \*[\w:]* )$/x; | |
1418 | s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg; | |
1419 | s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg; | |
1420 | push(@a, $_); | |
1421 | } | |
55497cff | 1422 | } |
7ea36084 | 1423 | $context = $context ? '@' : (defined $context ? "\$" : '.'); |
55497cff | 1424 | $args = $h ? [@a] : undef; |
1425 | $e =~ s/\n\s*\;\s*\Z// if $e; | |
1d06cb2d | 1426 | $e =~ s/([\\\'])/\\$1/g if $e; |
55497cff | 1427 | if ($r) { |
1428 | $sub = "require '$e'"; | |
1429 | } elsif (defined $r) { | |
1430 | $sub = "eval '$e'"; | |
1431 | } elsif ($sub eq '(eval)') { | |
1432 | $sub = "eval {...}"; | |
1433 | } | |
1434 | push(@sub, {context => $context, sub => $sub, args => $args, | |
1435 | file => $file, line => $line}); | |
1436 | last if $signal; | |
1437 | } | |
04fb8f4b | 1438 | $trace = $otrace; |
55497cff | 1439 | @sub; |
1440 | } | |
1441 | ||
d338d6fe | 1442 | sub action { |
1443 | my $action = shift; | |
1444 | while ($action =~ s/\\$//) { | |
1445 | #print $OUT "+ "; | |
1446 | #$action .= "\n"; | |
1447 | $action .= &gets; | |
1448 | } | |
1449 | $action; | |
1450 | } | |
1451 | ||
1452 | sub gets { | |
1453 | local($.); | |
1454 | #<IN>; | |
1455 | &readline("cont: "); | |
1456 | } | |
1457 | ||
1458 | sub system { | |
1459 | # We save, change, then restore STDIN and STDOUT to avoid fork() since | |
1460 | # many non-Unix systems can do system() but have problems with fork(). | |
1461 | open(SAVEIN,"<&STDIN") || &warn("Can't save STDIN"); | |
8ee058cb | 1462 | open(SAVEOUT,">&STDOUT") || &warn("Can't save STDOUT"); |
d338d6fe | 1463 | open(STDIN,"<&IN") || &warn("Can't redirect STDIN"); |
1464 | open(STDOUT,">&OUT") || &warn("Can't redirect STDOUT"); | |
1465 | system(@_); | |
1466 | open(STDIN,"<&SAVEIN") || &warn("Can't restore STDIN"); | |
1467 | open(STDOUT,">&SAVEOUT") || &warn("Can't restore STDOUT"); | |
1468 | close(SAVEIN); close(SAVEOUT); | |
1469 | &warn( "(Command returned ", ($?>>8) > 128 ? ($?>>8)-256 : ($?>>8), ")", | |
1470 | ( $? & 128 ) ? " (core dumped)" : "", | |
1471 | ( $? & 127 ) ? " (SIG ".($?&127).")" : "", "\n" ) if $?; | |
1472 | $?; | |
1473 | } | |
1474 | ||
1475 | sub setterm { | |
54d04a52 | 1476 | local $frame = 0; |
ee971a18 | 1477 | local $doret = -2; |
ee971a18 | 1478 | eval { require Term::ReadLine } or die $@; |
d338d6fe | 1479 | if ($notty) { |
1480 | if ($tty) { | |
1481 | open(IN,"<$tty") or die "Cannot open TTY `$TTY' for read: $!"; | |
1482 | open(OUT,">$tty") or die "Cannot open TTY `$TTY' for write: $!"; | |
1483 | $IN = \*IN; | |
1484 | $OUT = \*OUT; | |
1485 | my $sel = select($OUT); | |
1486 | $| = 1; | |
1487 | select($sel); | |
1488 | } else { | |
1489 | eval "require Term::Rendezvous;" or die $@; | |
1490 | my $rv = $ENV{PERLDB_NOTTY} || "/tmp/perldbtty$$"; | |
1491 | my $term_rv = new Term::Rendezvous $rv; | |
1492 | $IN = $term_rv->IN; | |
1493 | $OUT = $term_rv->OUT; | |
1494 | } | |
1495 | } | |
1496 | if (!$rl) { | |
1497 | $term = new Term::ReadLine::Stub 'perldb', $IN, $OUT; | |
1498 | } else { | |
1499 | $term = new Term::ReadLine 'perldb', $IN, $OUT; | |
1500 | ||
a737e074 CS |
1501 | $rl_attribs = $term->Attribs; |
1502 | $rl_attribs->{basic_word_break_characters} .= '-:+/*,[])}' | |
1503 | if defined $rl_attribs->{basic_word_break_characters} | |
1504 | and index($rl_attribs->{basic_word_break_characters}, ":") == -1; | |
1505 | $rl_attribs->{special_prefixes} = '$@&%'; | |
1506 | $rl_attribs->{completer_word_break_characters} .= '$@&%'; | |
1507 | $rl_attribs->{completion_function} = \&db_complete; | |
d338d6fe | 1508 | } |
1509 | $LINEINFO = $OUT unless defined $LINEINFO; | |
1510 | $lineinfo = $console unless defined $lineinfo; | |
1511 | $term->MinLine(2); | |
54d04a52 IZ |
1512 | if ($term->Features->{setHistory} and "@hist" ne "?") { |
1513 | $term->SetHistory(@hist); | |
1514 | } | |
7a2e2cd6 | 1515 | ornaments($ornaments) if defined $ornaments; |
f36776d9 IZ |
1516 | $term_pid = $$; |
1517 | } | |
1518 | ||
1519 | sub resetterm { # We forked, so we need a different TTY | |
1520 | $term_pid = $$; | |
1521 | if (defined &get_fork_TTY) { | |
1522 | &get_fork_TTY; | |
1523 | } elsif (not defined $fork_TTY | |
1524 | and defined $ENV{TERM} and $ENV{TERM} eq 'xterm' | |
1525 | and defined $ENV{WINDOWID} and defined $ENV{DISPLAY}) { | |
1526 | # Possibly _inside_ XTERM | |
1527 | open XT, q[3>&1 xterm -title 'Forked Perl debugger' -e sh -c 'tty 1>&3;\ | |
1528 | sleep 10000000' |]; | |
1529 | $fork_TTY = <XT>; | |
1530 | chomp $fork_TTY; | |
1531 | } | |
1532 | if (defined $fork_TTY) { | |
1533 | TTY($fork_TTY); | |
1534 | undef $fork_TTY; | |
1535 | } else { | |
405ff068 IZ |
1536 | print_help(<<EOP); |
1537 | I<#########> Forked, but do not know how to change a B<TTY>. I<#########> | |
1538 | Define B<\$DB::fork_TTY> | |
1539 | - or a function B<DB::get_fork_TTY()> which will set B<\$DB::fork_TTY>. | |
1540 | The value of B<\$DB::fork_TTY> should be the name of I<TTY> to use. | |
1541 | On I<UNIX>-like systems one can get the name of a I<TTY> for the given window | |
1542 | by typing B<tty>, and disconnect the I<shell> from I<TTY> by B<sleep 1000000>. | |
1543 | EOP | |
f36776d9 | 1544 | } |
d338d6fe | 1545 | } |
1546 | ||
1547 | sub readline { | |
54d04a52 IZ |
1548 | if (@typeahead) { |
1549 | my $left = @typeahead; | |
1550 | my $got = shift @typeahead; | |
1551 | print $OUT "auto(-$left)", shift, $got, "\n"; | |
1552 | $term->AddHistory($got) | |
1553 | if length($got) > 1 and defined $term->Features->{addHistory}; | |
1554 | return $got; | |
1555 | } | |
d338d6fe | 1556 | local $frame = 0; |
ee971a18 | 1557 | local $doret = -2; |
363b4d59 GT |
1558 | if (ref $OUT and UNIVERSAL::isa($OUT, 'IO::Socket::INET')) { |
1559 | print $OUT @_; | |
1560 | my $stuff; | |
1561 | $IN->recv( $stuff, 2048 ); | |
1562 | $stuff; | |
1563 | } | |
1564 | else { | |
1565 | $term->readline(@_); | |
1566 | } | |
d338d6fe | 1567 | } |
1568 | ||
1569 | sub dump_option { | |
1570 | my ($opt, $val)= @_; | |
55497cff | 1571 | $val = option_val($opt,'N/A'); |
1572 | $val =~ s/([\\\'])/\\$1/g; | |
1573 | printf $OUT "%20s = '%s'\n", $opt, $val; | |
1574 | } | |
1575 | ||
1576 | sub option_val { | |
1577 | my ($opt, $default)= @_; | |
1578 | my $val; | |
d338d6fe | 1579 | if (defined $optionVars{$opt} |
1580 | and defined $ {$optionVars{$opt}}) { | |
1581 | $val = $ {$optionVars{$opt}}; | |
1582 | } elsif (defined $optionAction{$opt} | |
1583 | and defined &{$optionAction{$opt}}) { | |
1584 | $val = &{$optionAction{$opt}}(); | |
1585 | } elsif (defined $optionAction{$opt} | |
1586 | and not defined $option{$opt} | |
1587 | or defined $optionVars{$opt} | |
1588 | and not defined $ {$optionVars{$opt}}) { | |
55497cff | 1589 | $val = $default; |
d338d6fe | 1590 | } else { |
1591 | $val = $option{$opt}; | |
1592 | } | |
55497cff | 1593 | $val |
d338d6fe | 1594 | } |
1595 | ||
1596 | sub parse_options { | |
1597 | local($_)= @_; | |
1598 | while ($_ ne "") { | |
1599 | s/^(\w+)(\s*$|\W)// or print($OUT "Invalid option `$_'\n"), last; | |
1600 | my ($opt,$sep) = ($1,$2); | |
1601 | my $val; | |
1602 | if ("?" eq $sep) { | |
1603 | print($OUT "Option query `$opt?' followed by non-space `$_'\n"), last | |
1604 | if /^\S/; | |
1605 | #&dump_option($opt); | |
1606 | } elsif ($sep !~ /\S/) { | |
1607 | $val = "1"; | |
1608 | } elsif ($sep eq "=") { | |
1609 | s/^(\S*)($|\s+)//; | |
1610 | $val = $1; | |
1611 | } else { #{ to "let some poor schmuck bounce on the % key in B<vi>." | |
1612 | my ($end) = "\\" . substr( ")]>}$sep", index("([<{",$sep), 1 ); #} | |
1613 | s/^(([^\\$end]|\\[\\$end])*)$end($|\s+)// or | |
1614 | print($OUT "Unclosed option value `$opt$sep$_'\n"), last; | |
1615 | $val = $1; | |
1616 | $val =~ s/\\([\\$end])/$1/g; | |
1617 | } | |
1618 | my ($option); | |
1619 | my $matches = | |
1620 | grep( /^\Q$opt/ && ($option = $_), @options ); | |
1621 | $matches = grep( /^\Q$opt/i && ($option = $_), @options ) | |
1622 | unless $matches; | |
1623 | print $OUT "Unknown option `$opt'\n" unless $matches; | |
1624 | print $OUT "Ambiguous option `$opt'\n" if $matches > 1; | |
1625 | $option{$option} = $val if $matches == 1 and defined $val; | |
ee971a18 | 1626 | eval "local \$frame = 0; local \$doret = -2; |
1627 | require '$optionRequire{$option}'" | |
d338d6fe | 1628 | if $matches == 1 and defined $optionRequire{$option} and defined $val; |
1629 | $ {$optionVars{$option}} = $val | |
1630 | if $matches == 1 | |
1631 | and defined $optionVars{$option} and defined $val; | |
1632 | & {$optionAction{$option}} ($val) | |
1633 | if $matches == 1 | |
1634 | and defined $optionAction{$option} | |
1635 | and defined &{$optionAction{$option}} and defined $val; | |
1636 | &dump_option($option) if $matches == 1 && $OUT ne \*STDERR; # Not $rcfile | |
1637 | s/^\s+//; | |
1638 | } | |
1639 | } | |
1640 | ||
54d04a52 IZ |
1641 | sub set_list { |
1642 | my ($stem,@list) = @_; | |
1643 | my $val; | |
1644 | $ENV{"$ {stem}_n"} = @list; | |
1645 | for $i (0 .. $#list) { | |
1646 | $val = $list[$i]; | |
1647 | $val =~ s/\\/\\\\/g; | |
ee971a18 | 1648 | $val =~ s/([\0-\37\177\200-\377])/"\\0x" . unpack('H2',$1)/eg; |
54d04a52 IZ |
1649 | $ENV{"$ {stem}_$i"} = $val; |
1650 | } | |
1651 | } | |
1652 | ||
1653 | sub get_list { | |
1654 | my $stem = shift; | |
1655 | my @list; | |
1656 | my $n = delete $ENV{"$ {stem}_n"}; | |
1657 | my $val; | |
1658 | for $i (0 .. $n - 1) { | |
1659 | $val = delete $ENV{"$ {stem}_$i"}; | |
1660 | $val =~ s/\\((\\)|0x(..))/ $2 ? $2 : pack('H2', $3) /ge; | |
1661 | push @list, $val; | |
1662 | } | |
1663 | @list; | |
1664 | } | |
1665 | ||
d338d6fe | 1666 | sub catch { |
1667 | $signal = 1; | |
4639966b | 1668 | return; # Put nothing on the stack - malloc/free land! |
d338d6fe | 1669 | } |
1670 | ||
1671 | sub warn { | |
1672 | my($msg)= join("",@_); | |
1673 | $msg .= ": $!\n" unless $msg =~ /\n$/; | |
1674 | print $OUT $msg; | |
1675 | } | |
1676 | ||
1677 | sub TTY { | |
f36776d9 IZ |
1678 | if (@_ and $term and $term->Features->{newTTY}) { |
1679 | my ($in, $out) = shift; | |
1680 | if ($in =~ /,/) { | |
1681 | ($in, $out) = split /,/, $in, 2; | |
1682 | } else { | |
1683 | $out = $in; | |
1684 | } | |
1685 | open IN, $in or die "cannot open `$in' for read: $!"; | |
1686 | open OUT, ">$out" or die "cannot open `$out' for write: $!"; | |
1687 | $term->newTTY(\*IN, \*OUT); | |
1688 | $IN = \*IN; | |
1689 | $OUT = \*OUT; | |
1690 | return $tty = $in; | |
1691 | } elsif ($term and @_) { | |
1692 | &warn("Too late to set TTY, enabled on next `R'!\n"); | |
43aed9ee IZ |
1693 | } |
1694 | $tty = shift if @_; | |
d338d6fe | 1695 | $tty or $console; |
1696 | } | |
1697 | ||
1698 | sub noTTY { | |
1699 | if ($term) { | |
43aed9ee | 1700 | &warn("Too late to set noTTY, enabled on next `R'!\n") if @_; |
d338d6fe | 1701 | } |
43aed9ee | 1702 | $notty = shift if @_; |
d338d6fe | 1703 | $notty; |
1704 | } | |
1705 | ||
1706 | sub ReadLine { | |
1707 | if ($term) { | |
43aed9ee | 1708 | &warn("Too late to set ReadLine, enabled on next `R'!\n") if @_; |
d338d6fe | 1709 | } |
43aed9ee | 1710 | $rl = shift if @_; |
d338d6fe | 1711 | $rl; |
1712 | } | |
1713 | ||
363b4d59 GT |
1714 | sub RemotePort { |
1715 | if ($term) { | |
1716 | &warn("Too late to set RemotePort, enabled on next 'R'!\n") if @_; | |
1717 | } | |
1718 | $remoteport = shift if @_; | |
1719 | $remoteport; | |
1720 | } | |
1721 | ||
a737e074 CS |
1722 | sub tkRunning { |
1723 | if ($ {$term->Features}{tkRunning}) { | |
1724 | return $term->tkRunning(@_); | |
1725 | } else { | |
1726 | print $OUT "tkRunning not supported by current ReadLine package.\n"; | |
1727 | 0; | |
1728 | } | |
1729 | } | |
1730 | ||
d338d6fe | 1731 | sub NonStop { |
1732 | if ($term) { | |
43aed9ee | 1733 | &warn("Too late to set up NonStop mode, enabled on next `R'!\n") if @_; |
d338d6fe | 1734 | } |
43aed9ee | 1735 | $runnonstop = shift if @_; |
d338d6fe | 1736 | $runnonstop; |
1737 | } | |
1738 | ||
1739 | sub pager { | |
1740 | if (@_) { | |
1741 | $pager = shift; | |
1742 | $pager="|".$pager unless $pager =~ /^(\+?\>|\|)/; | |
1743 | } | |
1744 | $pager; | |
1745 | } | |
1746 | ||
1747 | sub shellBang { | |
1748 | if (@_) { | |
1749 | $sh = quotemeta shift; | |
1750 | $sh .= "\\b" if $sh =~ /\w$/; | |
1751 | } | |
1752 | $psh = $sh; | |
1753 | $psh =~ s/\\b$//; | |
1754 | $psh =~ s/\\(.)/$1/g; | |
1755 | &sethelp; | |
1756 | $psh; | |
1757 | } | |
1758 | ||
7a2e2cd6 | 1759 | sub ornaments { |
1760 | if (defined $term) { | |
1761 | local ($warnLevel,$dieLevel) = (0, 1); | |
1762 | return '' unless $term->Features->{ornaments}; | |
1763 | eval { $term->ornaments(@_) } || ''; | |
1764 | } else { | |
1765 | $ornaments = shift; | |
1766 | } | |
1767 | } | |
1768 | ||
d338d6fe | 1769 | sub recallCommand { |
1770 | if (@_) { | |
1771 | $rc = quotemeta shift; | |
1772 | $rc .= "\\b" if $rc =~ /\w$/; | |
1773 | } | |
1774 | $prc = $rc; | |
1775 | $prc =~ s/\\b$//; | |
1776 | $prc =~ s/\\(.)/$1/g; | |
1777 | &sethelp; | |
1778 | $prc; | |
1779 | } | |
1780 | ||
1781 | sub LineInfo { | |
1782 | return $lineinfo unless @_; | |
1783 | $lineinfo = shift; | |
1784 | my $stream = ($lineinfo =~ /^(\+?\>|\|)/) ? $lineinfo : ">$lineinfo"; | |
1785 | $emacs = ($stream =~ /^\|/); | |
1786 | open(LINEINFO, "$stream") || &warn("Cannot open `$stream' for write"); | |
1787 | $LINEINFO = \*LINEINFO; | |
1788 | my $save = select($LINEINFO); | |
1789 | $| = 1; | |
1790 | select($save); | |
1791 | $lineinfo; | |
1792 | } | |
1793 | ||
ee971a18 | 1794 | sub list_versions { |
1795 | my %version; | |
1796 | my $file; | |
1797 | for (keys %INC) { | |
1798 | $file = $_; | |
1799 | s,\.p[lm]$,,i ; | |
1800 | s,/,::,g ; | |
1801 | s/^perl5db$/DB/; | |
55497cff | 1802 | s/^Term::ReadLine::readline$/readline/; |
ee971a18 | 1803 | if (defined $ { $_ . '::VERSION' }) { |
1804 | $version{$file} = "$ { $_ . '::VERSION' } from "; | |
1805 | } | |
1806 | $version{$file} .= $INC{$file}; | |
1807 | } | |
2c53b6d0 | 1808 | dumpit($OUT,\%version); |
ee971a18 | 1809 | } |
1810 | ||
d338d6fe | 1811 | sub sethelp { |
1812 | $help = " | |
6027b9a3 IZ |
1813 | B<T> Stack trace. |
1814 | B<s> [I<expr>] Single step [in I<expr>]. | |
1815 | B<n> [I<expr>] Next, steps over subroutine calls [in I<expr>]. | |
1816 | <B<CR>> Repeat last B<n> or B<s> command. | |
1817 | B<r> Return from current subroutine. | |
1818 | B<c> [I<line>|I<sub>] Continue; optionally inserts a one-time-only breakpoint | |
55497cff | 1819 | at the specified position. |
6027b9a3 IZ |
1820 | B<l> I<min>B<+>I<incr> List I<incr>+1 lines starting at I<min>. |
1821 | B<l> I<min>B<->I<max> List lines I<min> through I<max>. | |
1822 | B<l> I<line> List single I<line>. | |
1823 | B<l> I<subname> List first window of lines from subroutine. | |
83ee9e09 | 1824 | B<l> I<$var> List first window of lines from subroutine referenced by I<$var>. |
6027b9a3 IZ |
1825 | B<l> List next window of lines. |
1826 | B<-> List previous window of lines. | |
1827 | B<w> [I<line>] List window around I<line>. | |
1828 | B<.> Return to the executed line. | |
bee32ff8 GS |
1829 | B<f> I<filename> Switch to viewing I<filename>. File must be already loaded. |
1830 | I<filename> may be either the full name of the file, or a regular | |
1831 | expression matching the full file name: | |
1832 | B<f> I</home/me/foo.pl> and B<f> I<oo\\.> may access the same file. | |
1833 | Evals (with saved bodies) are considered to be filenames: | |
1834 | B<f> I<(eval 7)> and B<f> I<eval 7\\b> access the body of the 7th eval | |
1835 | (in the order of execution). | |
6027b9a3 IZ |
1836 | B</>I<pattern>B</> Search forwards for I<pattern>; final B</> is optional. |
1837 | B<?>I<pattern>B<?> Search backwards for I<pattern>; final B<?> is optional. | |
1838 | B<L> List all breakpoints and actions. | |
1839 | B<S> [[B<!>]I<pattern>] List subroutine names [not] matching I<pattern>. | |
1840 | B<t> Toggle trace mode. | |
1841 | B<t> I<expr> Trace through execution of I<expr>. | |
1842 | B<b> [I<line>] [I<condition>] | |
1843 | Set breakpoint; I<line> defaults to the current execution line; | |
1844 | I<condition> breaks if it evaluates to true, defaults to '1'. | |
1845 | B<b> I<subname> [I<condition>] | |
d338d6fe | 1846 | Set breakpoint at first line of subroutine. |
83ee9e09 | 1847 | B<b> I<$var> Set breakpoint at first line of subroutine referenced by I<$var>. |
6027b9a3 IZ |
1848 | B<b> B<load> I<filename> Set breakpoint on `require'ing the given file. |
1849 | B<b> B<postpone> I<subname> [I<condition>] | |
55497cff | 1850 | Set breakpoint at first line of subroutine after |
1851 | it is compiled. | |
6027b9a3 | 1852 | B<b> B<compile> I<subname> |
1d06cb2d | 1853 | Stop after the subroutine is compiled. |
6027b9a3 IZ |
1854 | B<d> [I<line>] Delete the breakpoint for I<line>. |
1855 | B<D> Delete all breakpoints. | |
1856 | B<a> [I<line>] I<command> | |
1857 | Set an action to be done before the I<line> is executed. | |
1858 | Sequence is: check for breakpoint/watchpoint, print line | |
1859 | if necessary, do action, prompt user if necessary, | |
1860 | execute expression. | |
1861 | B<A> Delete all actions. | |
1862 | B<W> I<expr> Add a global watch-expression. | |
1863 | B<W> Delete all watch-expressions. | |
1864 | B<V> [I<pkg> [I<vars>]] List some (default all) variables in package (default current). | |
1865 | Use B<~>I<pattern> and B<!>I<pattern> for positive and negative regexps. | |
1866 | B<X> [I<vars>] Same as \"B<V> I<currentpackage> [I<vars>]\". | |
1867 | B<x> I<expr> Evals expression in array context, dumps the result. | |
1868 | B<m> I<expr> Evals expression in array context, prints methods callable | |
1d06cb2d | 1869 | on the first element of the result. |
6027b9a3 IZ |
1870 | B<m> I<class> Prints methods callable via the given class. |
1871 | B<O> [I<opt>[B<=>I<val>]] [I<opt>B<\">I<val>B<\">] [I<opt>B<?>]... | |
1872 | Set or query values of options. I<val> defaults to 1. I<opt> can | |
d338d6fe | 1873 | be abbreviated. Several options can be listed. |
6027b9a3 IZ |
1874 | I<recallCommand>, I<ShellBang>: chars used to recall command or spawn shell; |
1875 | I<pager>: program for output of \"|cmd\"; | |
1876 | I<tkRunning>: run Tk while prompting (with ReadLine); | |
1877 | I<signalLevel> I<warnLevel> I<dieLevel>: level of verbosity; | |
1878 | I<inhibit_exit> Allows stepping off the end of the script. | |
3aefca04 | 1879 | I<ImmediateStop> Debugger should stop as early as possible. |
363b4d59 | 1880 | I<RemotePort>: Remote hostname:port for remote debugging |
6027b9a3 IZ |
1881 | The following options affect what happens with B<V>, B<X>, and B<x> commands: |
1882 | I<arrayDepth>, I<hashDepth>: print only first N elements ('' for all); | |
1883 | I<compactDump>, I<veryCompact>: change style of array and hash dump; | |
1884 | I<globPrint>: whether to print contents of globs; | |
1885 | I<DumpDBFiles>: dump arrays holding debugged files; | |
1886 | I<DumpPackages>: dump symbol tables of packages; | |
22fae026 | 1887 | I<DumpReused>: dump contents of \"reused\" addresses; |
6027b9a3 | 1888 | I<quote>, I<HighBit>, I<undefPrint>: change style of string dump; |
ee239bfe | 1889 | I<bareStringify>: Do not print the overload-stringified value; |
6027b9a3 IZ |
1890 | Option I<PrintRet> affects printing of return value after B<r> command, |
1891 | I<frame> affects printing messages on entry and exit from subroutines. | |
1892 | I<AutoTrace> affects printing messages on every possible breaking point. | |
1893 | I<maxTraceLen> gives maximal length of evals/args listed in stack trace. | |
1894 | I<ornaments> affects screen appearance of the command line. | |
d338d6fe | 1895 | During startup options are initialized from \$ENV{PERLDB_OPTS}. |
6027b9a3 | 1896 | You can put additional initialization options I<TTY>, I<noTTY>, |
363b4d59 GT |
1897 | I<ReadLine>, I<NonStop>, and I<RemotePort> there (or use |
1898 | `B<R>' after you set them). | |
6027b9a3 IZ |
1899 | B<<> I<expr> Define Perl command to run before each prompt. |
1900 | B<<<> I<expr> Add to the list of Perl commands to run before each prompt. | |
1901 | B<>> I<expr> Define Perl command to run after each prompt. | |
1902 | B<>>B<>> I<expr> Add to the list of Perl commands to run after each prompt. | |
1903 | B<{> I<db_command> Define debugger command to run before each prompt. | |
1904 | B<{{> I<db_command> Add to the list of debugger commands to run before each prompt. | |
1905 | B<$prc> I<number> Redo a previous command (default previous command). | |
1906 | B<$prc> I<-number> Redo number'th-to-last command. | |
1907 | B<$prc> I<pattern> Redo last command that started with I<pattern>. | |
1908 | See 'B<O> I<recallCommand>' too. | |
1909 | B<$psh$psh> I<cmd> Run cmd in a subprocess (reads from DB::IN, writes to DB::OUT)" | |
d338d6fe | 1910 | . ( $rc eq $sh ? "" : " |
6027b9a3 IZ |
1911 | B<$psh> [I<cmd>] Run I<cmd> in subshell (forces \"\$SHELL -c 'cmd'\")." ) . " |
1912 | See 'B<O> I<shellBang>' too. | |
1913 | B<H> I<-number> Display last number commands (default all). | |
1914 | B<p> I<expr> Same as \"I<print {DB::OUT} expr>\" in current package. | |
1915 | B<|>I<dbcmd> Run debugger command, piping DB::OUT to current pager. | |
1916 | B<||>I<dbcmd> Same as B<|>I<dbcmd> but DB::OUT is temporarilly select()ed as well. | |
1917 | B<\=> [I<alias> I<value>] Define a command alias, or list current aliases. | |
1918 | I<command> Execute as a perl statement in current package. | |
1919 | B<v> Show versions of loaded modules. | |
1920 | B<R> Pure-man-restart of debugger, some of debugger state | |
55497cff | 1921 | and command-line options may be lost. |
36477c24 | 1922 | Currently the following setting are preserved: |
6027b9a3 IZ |
1923 | history, breakpoints and actions, debugger B<O>ptions |
1924 | and the following command-line options: I<-w>, I<-I>, I<-e>. | |
1925 | B<h> [I<db_command>] Get help [on a specific debugger command], enter B<|h> to page. | |
d9f67849 GS |
1926 | Complete description of debugger is available in B<perldebug> |
1927 | section of Perl documention | |
6027b9a3 | 1928 | B<h h> Summary of debugger commands. |
405ff068 | 1929 | B<q> or B<^D> Quit. Set B<\$DB::finished = 0> to debug global destruction. |
d338d6fe | 1930 | |
1931 | "; | |
1932 | $summary = <<"END_SUM"; | |
6027b9a3 IZ |
1933 | I<List/search source lines:> I<Control script execution:> |
1934 | B<l> [I<ln>|I<sub>] List source code B<T> Stack trace | |
1935 | B<-> or B<.> List previous/current line B<s> [I<expr>] Single step [in expr] | |
1936 | B<w> [I<line>] List around line B<n> [I<expr>] Next, steps over subs | |
d9f67849 | 1937 | B<f> I<filename> View source in file <B<CR>/B<Enter>> Repeat last B<n> or B<s> |
6027b9a3 IZ |
1938 | B</>I<pattern>B</> B<?>I<patt>B<?> Search forw/backw B<r> Return from subroutine |
1939 | B<v> Show versions of modules B<c> [I<ln>|I<sub>] Continue until position | |
1940 | I<Debugger controls:> B<L> List break/watch/actions | |
1941 | B<O> [...] Set debugger options B<t> [I<expr>] Toggle trace [trace expr] | |
d9f67849 | 1942 | B<<>[B<<>]|B<{>[B<{>]|B<>>[B<>>] [I<cmd>] Do pre/post-prompt B<b> [I<ln>|I<event>|I<sub>] [I<cnd>] Set breakpoint |
6027b9a3 IZ |
1943 | B<$prc> [I<N>|I<pat>] Redo a previous command B<d> [I<ln>] or B<D> Delete a/all breakpoints |
1944 | B<H> [I<-num>] Display last num commands B<a> [I<ln>] I<cmd> Do cmd before line | |
1945 | B<=> [I<a> I<val>] Define/list an alias B<W> I<expr> Add a watch expression | |
1946 | B<h> [I<db_cmd>] Get help on command B<A> or B<W> Delete all actions/watch | |
d9f67849 | 1947 | B<|>[B<|>]I<db_cmd> Send output to pager B<$psh>\[B<$psh>\] I<syscmd> Run cmd in a subprocess |
6027b9a3 IZ |
1948 | B<q> or B<^D> Quit B<R> Attempt a restart |
1949 | I<Data Examination:> B<expr> Execute perl code, also see: B<s>,B<n>,B<t> I<expr> | |
1950 | B<x>|B<m> I<expr> Evals expr in array context, dumps the result or lists methods. | |
1951 | B<p> I<expr> Print expression (uses script's current package). | |
1952 | B<S> [[B<!>]I<pat>] List subroutine names [not] matching pattern | |
1953 | B<V> [I<Pk> [I<Vars>]] List Variables in Package. Vars can be ~pattern or !pattern. | |
1954 | B<X> [I<Vars>] Same as \"B<V> I<current_package> [I<Vars>]\". | |
d9f67849 | 1955 | I<More help for> B<db_cmd>I<:> Type B<h> I<cmd_letter> Run B<perldoc perldebug> for more help. |
d338d6fe | 1956 | END_SUM |
55497cff | 1957 | # ')}}; # Fix balance of Emacs parsing |
d338d6fe | 1958 | } |
1959 | ||
6027b9a3 IZ |
1960 | sub print_help { |
1961 | my $message = shift; | |
1962 | if (@Term::ReadLine::TermCap::rl_term_set) { | |
1963 | $message =~ s/B<([^>]+|>)>/$Term::ReadLine::TermCap::rl_term_set[2]$1$Term::ReadLine::TermCap::rl_term_set[3]/g; | |
1964 | $message =~ s/I<([^>]+|>)>/$Term::ReadLine::TermCap::rl_term_set[0]$1$Term::ReadLine::TermCap::rl_term_set[1]/g; | |
1965 | } | |
1966 | print $OUT $message; | |
1967 | } | |
1968 | ||
d338d6fe | 1969 | sub diesignal { |
54d04a52 | 1970 | local $frame = 0; |
ee971a18 | 1971 | local $doret = -2; |
77fb7b16 | 1972 | $SIG{'ABRT'} = 'DEFAULT'; |
d338d6fe | 1973 | kill 'ABRT', $$ if $panic++; |
ee85b803 CS |
1974 | if (defined &Carp::longmess) { |
1975 | local $SIG{__WARN__} = ''; | |
1976 | local $Carp::CarpLevel = 2; # mydie + confess | |
1977 | &warn(Carp::longmess("Signal @_")); | |
1978 | } | |
1979 | else { | |
1980 | print $DB::OUT "Got signal @_\n"; | |
1981 | } | |
d338d6fe | 1982 | kill 'ABRT', $$; |
1983 | } | |
1984 | ||
1985 | sub dbwarn { | |
54d04a52 | 1986 | local $frame = 0; |
ee971a18 | 1987 | local $doret = -2; |
d338d6fe | 1988 | local $SIG{__WARN__} = ''; |
77fb7b16 | 1989 | local $SIG{__DIE__} = ''; |
fb73857a | 1990 | eval { require Carp } if defined $^S; # If error/warning during compilation, |
1991 | # require may be broken. | |
1992 | warn(@_, "\nCannot print stack trace, load with -MCarp option to see stack"), | |
1993 | return unless defined &Carp::longmess; | |
d338d6fe | 1994 | my ($mysingle,$mytrace) = ($single,$trace); |
1995 | $single = 0; $trace = 0; | |
1996 | my $mess = Carp::longmess(@_); | |
1997 | ($single,$trace) = ($mysingle,$mytrace); | |
d338d6fe | 1998 | &warn($mess); |
d338d6fe | 1999 | } |
2000 | ||
2001 | sub dbdie { | |
54d04a52 | 2002 | local $frame = 0; |
ee971a18 | 2003 | local $doret = -2; |
d338d6fe | 2004 | local $SIG{__DIE__} = ''; |
2005 | local $SIG{__WARN__} = ''; | |
2006 | my $i = 0; my $ineval = 0; my $sub; | |
fb73857a | 2007 | if ($dieLevel > 2) { |
d338d6fe | 2008 | local $SIG{__WARN__} = \&dbwarn; |
fb73857a | 2009 | &warn(@_); # Yell no matter what |
2010 | return; | |
2011 | } | |
2012 | if ($dieLevel < 2) { | |
2013 | die @_ if $^S; # in eval propagate | |
d338d6fe | 2014 | } |
fb73857a | 2015 | eval { require Carp } if defined $^S; # If error/warning during compilation, |
2016 | # require may be broken. | |
2017 | die(@_, "\nCannot print stack trace, load with -MCarp option to see stack") | |
2018 | unless defined &Carp::longmess; | |
d338d6fe | 2019 | # We do not want to debug this chunk (automatic disabling works |
2020 | # inside DB::DB, but not in Carp). | |
2021 | my ($mysingle,$mytrace) = ($single,$trace); | |
2022 | $single = 0; $trace = 0; | |
2023 | my $mess = Carp::longmess(@_); | |
2024 | ($single,$trace) = ($mysingle,$mytrace); | |
d338d6fe | 2025 | die $mess; |
2026 | } | |
2027 | ||
d338d6fe | 2028 | sub warnLevel { |
2029 | if (@_) { | |
2030 | $prevwarn = $SIG{__WARN__} unless $warnLevel; | |
2031 | $warnLevel = shift; | |
2032 | if ($warnLevel) { | |
0b7ed949 | 2033 | $SIG{__WARN__} = \&DB::dbwarn; |
d338d6fe | 2034 | } else { |
2035 | $SIG{__WARN__} = $prevwarn; | |
2036 | } | |
2037 | } | |
2038 | $warnLevel; | |
2039 | } | |
2040 | ||
2041 | sub dieLevel { | |
2042 | if (@_) { | |
2043 | $prevdie = $SIG{__DIE__} unless $dieLevel; | |
2044 | $dieLevel = shift; | |
2045 | if ($dieLevel) { | |
0b7ed949 | 2046 | $SIG{__DIE__} = \&DB::dbdie; # if $dieLevel < 2; |
2047 | #$SIG{__DIE__} = \&DB::diehard if $dieLevel >= 2; | |
d338d6fe | 2048 | print $OUT "Stack dump during die enabled", |
43aed9ee IZ |
2049 | ( $dieLevel == 1 ? " outside of evals" : ""), ".\n" |
2050 | if $I_m_init; | |
d338d6fe | 2051 | print $OUT "Dump printed too.\n" if $dieLevel > 2; |
2052 | } else { | |
2053 | $SIG{__DIE__} = $prevdie; | |
2054 | print $OUT "Default die handler restored.\n"; | |
2055 | } | |
2056 | } | |
2057 | $dieLevel; | |
2058 | } | |
2059 | ||
2060 | sub signalLevel { | |
2061 | if (@_) { | |
2062 | $prevsegv = $SIG{SEGV} unless $signalLevel; | |
2063 | $prevbus = $SIG{BUS} unless $signalLevel; | |
2064 | $signalLevel = shift; | |
2065 | if ($signalLevel) { | |
77fb7b16 | 2066 | $SIG{SEGV} = \&DB::diesignal; |
2067 | $SIG{BUS} = \&DB::diesignal; | |
d338d6fe | 2068 | } else { |
2069 | $SIG{SEGV} = $prevsegv; | |
2070 | $SIG{BUS} = $prevbus; | |
2071 | } | |
2072 | } | |
2073 | $signalLevel; | |
2074 | } | |
2075 | ||
83ee9e09 GS |
2076 | sub CvGV_name { |
2077 | my $in = shift; | |
2078 | my $name = CvGV_name_or_bust($in); | |
2079 | defined $name ? $name : $in; | |
2080 | } | |
2081 | ||
2082 | sub CvGV_name_or_bust { | |
2083 | my $in = shift; | |
2084 | return if $skipCvGV; # Backdoor to avoid problems if XS broken... | |
2085 | $in = \&$in; # Hard reference... | |
2086 | eval {require Devel::Peek; 1} or return; | |
2087 | my $gv = Devel::Peek::CvGV($in) or return; | |
2088 | *$gv{PACKAGE} . '::' . *$gv{NAME}; | |
2089 | } | |
2090 | ||
1d06cb2d IZ |
2091 | sub find_sub { |
2092 | my $subr = shift; | |
1d06cb2d | 2093 | $sub{$subr} or do { |
83ee9e09 GS |
2094 | return unless defined &$subr; |
2095 | my $name = CvGV_name_or_bust($subr); | |
2096 | my $data; | |
2097 | $data = $sub{$name} if defined $name; | |
2098 | return $data if defined $data; | |
2099 | ||
2100 | # Old stupid way... | |
1d06cb2d IZ |
2101 | $subr = \&$subr; # Hard reference |
2102 | my $s; | |
2103 | for (keys %sub) { | |
2104 | $s = $_, last if $subr eq \&$_; | |
2105 | } | |
2106 | $sub{$s} if $s; | |
2107 | } | |
2108 | } | |
2109 | ||
2110 | sub methods { | |
2111 | my $class = shift; | |
2112 | $class = ref $class if ref $class; | |
2113 | local %seen; | |
2114 | local %packs; | |
2115 | methods_via($class, '', 1); | |
2116 | methods_via('UNIVERSAL', 'UNIVERSAL', 0); | |
2117 | } | |
2118 | ||
2119 | sub methods_via { | |
2120 | my $class = shift; | |
2121 | return if $packs{$class}++; | |
2122 | my $prefix = shift; | |
2123 | my $prepend = $prefix ? "via $prefix: " : ''; | |
2124 | my $name; | |
2125 | for $name (grep {defined &{$ {"$ {class}::"}{$_}}} | |
2126 | sort keys %{"$ {class}::"}) { | |
477ea2b1 | 2127 | next if $seen{ $name }++; |
1d06cb2d IZ |
2128 | print $DB::OUT "$prepend$name\n"; |
2129 | } | |
2130 | return unless shift; # Recurse? | |
2131 | for $name (@{"$ {class}::ISA"}) { | |
2132 | $prepend = $prefix ? $prefix . " -> $name" : $name; | |
2133 | methods_via($name, $prepend, 1); | |
2134 | } | |
2135 | } | |
2136 | ||
d338d6fe | 2137 | # The following BEGIN is very handy if debugger goes havoc, debugging debugger? |
2138 | ||
2139 | BEGIN { # This does not compile, alas. | |
2140 | $IN = \*STDIN; # For bugs before DB::OUT has been opened | |
2141 | $OUT = \*STDERR; # For errors before DB::OUT has been opened | |
2142 | $sh = '!'; | |
2143 | $rc = ','; | |
2144 | @hist = ('?'); | |
2145 | $deep = 100; # warning if stack gets this deep | |
2146 | $window = 10; | |
2147 | $preview = 3; | |
2148 | $sub = ''; | |
77fb7b16 | 2149 | $SIG{INT} = \&DB::catch; |
ee971a18 | 2150 | # This may be enabled to debug debugger: |
2151 | #$warnLevel = 1 unless defined $warnLevel; | |
2152 | #$dieLevel = 1 unless defined $dieLevel; | |
2153 | #$signalLevel = 1 unless defined $signalLevel; | |
d338d6fe | 2154 | |
2155 | $db_stop = 0; # Compiler warning | |
2156 | $db_stop = 1 << 30; | |
2157 | $level = 0; # Level of recursive debugging | |
55497cff | 2158 | # @stack and $doret are needed in sub sub, which is called for DB::postponed. |
2159 | # Triggers bug (?) in perl is we postpone this until runtime: | |
2160 | @postponed = @stack = (0); | |
f8b5b99c | 2161 | $stack_depth = 0; # Localized $#stack |
55497cff | 2162 | $doret = -2; |
2163 | $frame = 0; | |
d338d6fe | 2164 | } |
2165 | ||
54d04a52 IZ |
2166 | BEGIN {$^W = $ini_warn;} # Switch warnings back |
2167 | ||
d338d6fe | 2168 | #use Carp; # This did break, left for debuggin |
2169 | ||
55497cff | 2170 | sub db_complete { |
08a4aec0 | 2171 | # Specific code for b c l V m f O, &blah, $blah, @blah, %blah |
55497cff | 2172 | my($text, $line, $start) = @_; |
477ea2b1 | 2173 | my ($itext, $search, $prefix, $pack) = |
08a4aec0 | 2174 | ($text, "^\Q$ {'package'}::\E([^:]+)\$"); |
55497cff | 2175 | |
08a4aec0 IZ |
2176 | return sort grep /^\Q$text/, (keys %sub), qw(postpone load compile), # subroutines |
2177 | (map { /$search/ ? ($1) : () } keys %sub) | |
2178 | if (substr $line, 0, $start) =~ /^\|*[blc]\s+((postpone|compile)\s+)?$/; | |
2179 | return sort grep /^\Q$text/, values %INC # files | |
477ea2b1 | 2180 | if (substr $line, 0, $start) =~ /^\|*b\s+load\s+$/; |
08a4aec0 IZ |
2181 | return sort map {($_, db_complete($_ . "::", "V ", 2))} |
2182 | grep /^\Q$text/, map { /^(.*)::$/ ? ($1) : ()} keys %:: # top-packages | |
2183 | if (substr $line, 0, $start) =~ /^\|*[Vm]\s+$/ and $text =~ /^\w*$/; | |
2184 | return sort map {($_, db_complete($_ . "::", "V ", 2))} | |
2185 | grep !/^main::/, | |
2186 | grep /^\Q$text/, map { /^(.*)::$/ ? ($prefix . "::$1") : ()} keys %{$prefix . '::'} | |
2187 | # packages | |
2188 | if (substr $line, 0, $start) =~ /^\|*[Vm]\s+$/ | |
2189 | and $text =~ /^(.*[^:])::?(\w*)$/ and $prefix = $1; | |
477ea2b1 IZ |
2190 | if ( $line =~ /^\|*f\s+(.*)/ ) { # Loaded files |
2191 | # We may want to complete to (eval 9), so $text may be wrong | |
2192 | $prefix = length($1) - length($text); | |
2193 | $text = $1; | |
08a4aec0 IZ |
2194 | return sort |
2195 | map {substr $_, 2 + $prefix} grep /^_<\Q$text/, (keys %main::), $0 | |
477ea2b1 | 2196 | } |
55497cff | 2197 | if ((substr $text, 0, 1) eq '&') { # subroutines |
2198 | $text = substr $text, 1; | |
2199 | $prefix = "&"; | |
08a4aec0 IZ |
2200 | return sort map "$prefix$_", |
2201 | grep /^\Q$text/, | |
2202 | (keys %sub), | |
2203 | (map { /$search/ ? ($1) : () } | |
2204 | keys %sub); | |
55497cff | 2205 | } |
2206 | if ($text =~ /^[\$@%](.*)::(.*)/) { # symbols in a package | |
2207 | $pack = ($1 eq 'main' ? '' : $1) . '::'; | |
2208 | $prefix = (substr $text, 0, 1) . $1 . '::'; | |
2209 | $text = $2; | |
2210 | my @out | |
2211 | = map "$prefix$_", grep /^\Q$text/, grep /^_?[a-zA-Z]/, keys %$pack ; | |
2212 | if (@out == 1 and $out[0] =~ /::$/ and $out[0] ne $itext) { | |
2213 | return db_complete($out[0], $line, $start); | |
2214 | } | |
08a4aec0 | 2215 | return sort @out; |
55497cff | 2216 | } |
2217 | if ($text =~ /^[\$@%]/) { # symbols (in $package + packages in main) | |
2218 | $pack = ($package eq 'main' ? '' : $package) . '::'; | |
2219 | $prefix = substr $text, 0, 1; | |
2220 | $text = substr $text, 1; | |
2221 | my @out = map "$prefix$_", grep /^\Q$text/, | |
2222 | (grep /^_?[a-zA-Z]/, keys %$pack), | |
2223 | ( $pack eq '::' ? () : (grep /::$/, keys %::) ) ; | |
2224 | if (@out == 1 and $out[0] =~ /::$/ and $out[0] ne $itext) { | |
2225 | return db_complete($out[0], $line, $start); | |
2226 | } | |
08a4aec0 | 2227 | return sort @out; |
55497cff | 2228 | } |
477ea2b1 | 2229 | if ((substr $line, 0, $start) =~ /^\|*O\b.*\s$/) { # Options after a space |
55497cff | 2230 | my @out = grep /^\Q$text/, @options; |
2231 | my $val = option_val($out[0], undef); | |
2232 | my $out = '? '; | |
2233 | if (not defined $val or $val =~ /[\n\r]/) { | |
2234 | # Can do nothing better | |
2235 | } elsif ($val =~ /\s/) { | |
2236 | my $found; | |
2237 | foreach $l (split //, qq/\"\'\#\|/) { | |
2238 | $out = "$l$val$l ", last if (index $val, $l) == -1; | |
2239 | } | |
2240 | } else { | |
2241 | $out = "=$val "; | |
2242 | } | |
2243 | # Default to value if one completion, to question if many | |
a737e074 | 2244 | $rl_attribs->{completer_terminator_character} = (@out == 1 ? $out : '? '); |
08a4aec0 | 2245 | return sort @out; |
55497cff | 2246 | } |
a737e074 | 2247 | return $term->filename_list($text); # filenames |
55497cff | 2248 | } |
2249 | ||
43aed9ee IZ |
2250 | sub end_report { |
2251 | print $OUT "Use `q' to quit or `R' to restart. `h q' for details.\n" | |
2252 | } | |
4639966b | 2253 | |
55497cff | 2254 | END { |
2255 | $finished = $inhibit_exit; # So that some keys may be disabled. | |
36477c24 | 2256 | # Do not stop in at_exit() and destructors on exit: |
2257 | $DB::single = !$exiting && !$runnonstop; | |
2258 | DB::fake::at_exit() unless $exiting or $runnonstop; | |
55497cff | 2259 | } |
2260 | ||
2261 | package DB::fake; | |
2262 | ||
2263 | sub at_exit { | |
43aed9ee | 2264 | "Debugged program terminated. Use `q' to quit or `R' to restart."; |
55497cff | 2265 | } |
2266 | ||
36477c24 | 2267 | package DB; # Do not trace this 1; below! |
2268 | ||
d338d6fe | 2269 | 1; |