1 require 5.002; # For (defined ref)
4 # Needed for PrettyPrinter only:
6 # require 5.001; # Well, it coredumps anyway undef DB in 5.000 (not now)
8 # translate control chars to ^X - Randal Schwartz
9 # Modifications to print types by Peter Gordon v1.0
11 # Ilya Zakharevich -- patches after 5.001 (and some before ;-)
13 # Won't dump symbol tables and contents of debugged files by default
15 $winsize = 80 unless defined $winsize;
21 $printUndef = 1 unless defined $printUndef;
22 $tick = "auto" unless defined $tick;
23 $unctrl = 'quote' unless defined $unctrl;
25 $dumpReused = 0 unless defined $dumpReused;
26 $bareStringify = 1 unless defined $bareStringify;
31 (print "undef\n"), return unless defined $_[0];
32 (print &stringify($_[0]), "\n"), return unless ref $_[0];
33 push @_, -1 if @_ == 1;
34 dumpvar::unwrap($_[0], 0, $_[1]);
37 # This one is good for variable names:
43 return \$_ if ref \$_ eq "GLOB";
44 if (ord('A') == 193) { # EBCDIC.
45 # EBCDIC has no concept of "\cA" or "A" being related
46 # to each other by a linear/boolean mapping.
48 s/([\001-\037\177])/'^'.pack('c',ord($1)^64)/eg;
55 map { $_ > 255 ? sprintf("\\x{%04X}", $_) : chr($_) }
60 local($_,$noticks) = @_;
64 return 'undef' unless defined $_ or not $printUndef;
65 return $_ . "" if ref \$_ eq 'GLOB';
66 $_ = &{'overload::StrVal'}($_)
67 if $bareStringify and ref $_
68 and %overload:: and defined &{'overload::StrVal'};
70 if ($tick eq 'auto') {
71 if (ord('A') == 193) {
72 if (/[\000-\011]/ or /[\013-\024\31-\037\177]/) {
78 if (/[\000-\011\013-\037\177]/) {
87 } elsif ($unctrl eq 'unctrl') {
89 s/([\000-\037\177])/'^'.pack('c',ord($1)^64)/eg;
91 s/([\200-\377])/'\\0x'.sprintf('%2X',ord($1))/eg
93 } elsif ($unctrl eq 'quote') {
94 s/([\"\\\$\@])/\\$1/g if $tick eq '"';
96 if (ord('A') == 193) { # EBCDIC.
97 s/([\000-\037\177])/'\\c'.chr(193)/eg; # Unfinished.
99 s/([\000-\037\177])/'\\c'._escaped_ord($1)/eg;
103 s/([\200-\377])/'\\'.sprintf('%3o',ord($1))/eg if $quoteHighBit;
104 ($noticks || /^\d+(\.\d*)?\Z/)
106 : $tick . $_ . $tick;
109 # Ensure a resulting \ is escaped to be \\
112 $chr = chr(ord($chr)^64);
113 $chr =~ s{\\}{\\\\}g;
118 my $tArrayDepth = $#{$_[0]} ;
119 $tArrayDepth = $#{$_[0]} < $arrayDepth-1 ? $#{$_[0]} : $arrayDepth-1
120 unless $arrayDepth eq '' ;
122 $shortmore = " ..." if $tArrayDepth < $#{$_[0]} ;
123 if (!grep(ref $_, @{$_[0]})) {
124 $short = "0..$#{$_[0]} '" .
125 join("' '", @{$_[0]}[0..$tArrayDepth]) . "'$shortmore";
126 return $short if length $short <= $compactDump;
132 my $short = &stringify($_[0], ref $_[0]);
133 if ($veryCompact && ref $_[0]
134 && (ref $_[0] eq 'ARRAY' and !grep(ref $_, @{$_[0]}) )) {
135 my $end = "0..$#{$v} '" .
136 join("' '", @{$_[0]}[0..$tArrayDepth]) . "'$shortmore";
137 } elsif ($veryCompact && ref $_[0]
138 && (ref $_[0] eq 'HASH') and !grep(ref $_, values %{$_[0]})) {
140 $short = $sp . "0..$#{$v} '" .
141 join("' '", @{$v}[0..$tArrayDepth]) . "'$shortmore";
144 unwrap($_[0],$_[1],$_[2]) if ref $_[0];
149 return if $DB::signal;
151 local($s) = shift ; # extra no of spaces
152 local($m) = shift ; # maximum recursion depth
154 local(%v,@v,$sp,$value,$key,@sortKeys,$more,$shortmore,$short) ;
155 local($tHashDepth,$tArrayDepth) ;
160 # Check for reused addresses
163 $val = &{'overload::StrVal'}($v)
164 if %overload:: and defined &{'overload::StrVal'};
165 # Match type and address.
166 # Unblessed references will look like TYPE(0x...)
167 # Blessed references will look like Class=TYPE(0x...)
168 ($start_part, $val) = split /=/,$val;
169 $val = $start_part unless defined $val;
170 ($item_type, $address) =
171 $val =~ /([^\(]+) # Keep stuff that's
174 (0x[0-9a-f]+) # Save the address
175 \) # Skip close paren
176 $/x; # Should be at end now
178 if (!$dumpReused && defined $address) {
179 $address{$address}++ ;
180 if ( $address{$address} > 1 ) {
181 print "${sp}-> REUSED_ADDRESS\n" ;
185 } elsif (ref \$v eq 'GLOB') {
186 # This is a raw glob. Special handling for that.
187 $address = "$v" . ""; # To avoid a bug with globs
188 $address{$address}++ ;
189 if ( $address{$address} > 1 ) {
190 print "${sp}*DUMPED_GLOB*\n" ;
195 if (ref $v eq 'Regexp') {
196 # Reformat the regexp to look the standard way.
199 print "$sp-> qr/$re/\n";
203 if ( $item_type eq 'HASH' ) {
204 # Hash ref or hash-based object.
205 my @sortKeys = sort keys(%$v) ;
207 $tHashDepth = $#sortKeys ;
208 $tHashDepth = $#sortKeys < $hashDepth-1 ? $#sortKeys : $hashDepth-1
209 unless $hashDepth eq '' ;
210 $more = "....\n" if $tHashDepth < $#sortKeys ;
212 $shortmore = ", ..." if $tHashDepth < $#sortKeys ;
213 $#sortKeys = $tHashDepth ;
214 if ($compactDump && !grep(ref $_, values %{$v})) {
217 # Next row core dumps during require from DB on 5.000, even with map {"_"}
218 # map {&stringify($_) . " => " . &stringify($v->{$_})}
219 # @sortKeys) . "'$shortmore";
223 push @keys, &stringify($_) . " => " . &stringify($v->{$_});
225 $short .= join ', ', @keys;
226 $short .= $shortmore;
227 (print "$short\n"), return if length $short <= $compactDump;
229 for $key (@sortKeys) {
230 return if $DB::signal;
231 $value = $ {$v}{$key} ;
232 print "$sp", &stringify($key), " => ";
233 DumpElem $value, $s, $m-1;
235 print "$sp empty hash\n" unless @sortKeys;
236 print "$sp$more" if defined $more ;
237 } elsif ( $item_type eq 'ARRAY' ) {
238 # Array ref or array-based object. Also: undef.
239 # See how big the array is.
240 $tArrayDepth = $#{$v} ;
242 # Bigger than the max?
243 $tArrayDepth = $#{$v} < $arrayDepth-1 ? $#{$v} : $arrayDepth-1
244 if defined $arrayDepth && $arrayDepth ne '';
245 # Yep. Don't show it all.
246 $more = "....\n" if $tArrayDepth < $#{$v} ;
248 $shortmore = " ..." if $tArrayDepth < $#{$v} ;
250 if ($compactDump && !grep(ref $_, @{$v})) {
252 $short = $sp . "0..$#{$v} " .
254 map {exists $v->[$_] ? stringify $v->[$_] : "empty"} (0..$tArrayDepth)
257 $short = $sp . "empty array";
259 (print "$short\n"), return if length $short <= $compactDump;
261 #if ($compactDump && $short = ShortArray($v)) {
265 for $num (0 .. $tArrayDepth) {
266 return if $DB::signal;
268 if (exists $v->[$num]) {
269 if (defined $v->[$num]) {
270 DumpElem $v->[$num], $s, $m-1;
276 print "empty slot\n";
279 print "$sp empty array\n" unless @$v;
280 print "$sp$more" if defined $more ;
281 } elsif ( $item_type eq 'SCALAR' ) {
282 unless (defined $$v) {
283 print "$sp-> undef\n";
287 DumpElem $$v, $s, $m-1;
288 } elsif ( $item_type eq 'REF' ) {
290 return unless defined $$v;
291 unwrap($$v, $s+3, $m-1);
292 } elsif ( $item_type eq 'CODE' ) {
293 # Code object or reference.
296 } elsif ( $item_type eq 'GLOB' ) {
297 # Glob object or reference.
298 print "$sp-> ",&stringify($$v,1),"\n";
301 dumpglob($s, "{$$v}", $$v, 1, $m-1);
302 } elsif (defined ($fileno = eval {fileno($v)})) {
303 print( (' ' x ($s+3)) . "FileHandle({$$v}) => fileno($fileno)\n" );
305 } elsif (ref \$v eq 'GLOB') {
308 dumpglob($s, "{$v}", $v, 1, $m-1) if $globPrint;
309 } elsif (defined ($fileno = eval {fileno(\$v)})) {
310 print( (' ' x $s) . "FileHandle({$v}) => fileno($fileno)\n" );
316 (my $var = $_[0]) =~ s/.//;
318 ($_[1] =~ /^([!~])(.)([\x00-\xff]*)/) and
319 ($1 eq '!') ^ (eval { $var =~ /$2$3/ });
324 ($_[1] =~ /^([!~])(.)([\x00-\xff]*)/) and
325 ($1 eq '!') ^ (eval {($_[2] . "::" . $_[0]) =~ /$2$3/});
329 $compactDump = shift if @_;
330 $compactDump = 6*80-1 if $compactDump and $compactDump < 2;
335 $veryCompact = shift if @_;
336 compactDump(1) if !$compactDump and $veryCompact;
343 if ($in eq 'unctrl' or $in eq 'quote') {
346 print "Unknown value for `unctrl'.\n";
353 if (@_ and $_[0] eq '"') {
356 } elsif (@_ and $_[0] eq 'auto') {
359 } elsif (@_) { # Need to set
367 return if $DB::signal;
368 my ($off,$key, $val, $all, $m) = @_;
369 local(*entry) = $val;
371 if (($key !~ /^_</ or $dumpDBFiles) and defined $entry) {
372 print( (' ' x $off) . "\$", &unctrl($key), " = " );
373 DumpElem $entry, 3+$off, $m;
375 if (($key !~ /^_</ or $dumpDBFiles) and @entry) {
376 print( (' ' x $off) . "\@$key = (\n" );
377 unwrap(\@entry,3+$off,$m) ;
378 print( (' ' x $off) . ")\n" );
380 if ($key ne "main::" && $key ne "DB::" && %entry
381 && ($dumpPackages or $key !~ /::$/)
382 && ($key !~ /^_</ or $dumpDBFiles)
383 && !($package eq "dumpvar" and $key eq "stab")) {
384 print( (' ' x $off) . "\%$key = (\n" );
385 unwrap(\%entry,3+$off,$m) ;
386 print( (' ' x $off) . ")\n" );
388 if (defined ($fileno = eval{fileno(*entry)})) {
389 print( (' ' x $off) . "FileHandle($key) => fileno($fileno)\n" );
392 if (defined &entry) {
399 return if $DB::signal;
400 my ($key, $val, $m, @vars) = @_;
401 return if @vars && !grep( matchlex($key, $_), @vars );
403 my $off = 0; # It reads better this way
405 if (UNIVERSAL::isa($val,'ARRAY')) {
406 print( (' ' x $off) . "$key = (\n" );
407 unwrap($val,3+$off,$m) ;
408 print( (' ' x $off) . ")\n" );
410 elsif (UNIVERSAL::isa($val,'HASH')) {
411 print( (' ' x $off) . "$key = (\n" );
412 unwrap($val,3+$off,$m) ;
413 print( (' ' x $off) . ")\n" );
415 elsif (UNIVERSAL::isa($val,'IO')) {
416 print( (' ' x $off) . "FileHandle($key) => fileno($fileno)\n" );
418 # No lexical subroutines yet...
419 # elsif (UNIVERSAL::isa($val,'CODE')) {
420 # dumpsub($off, $$val);
423 print( (' ' x $off) . &unctrl($key), " = " );
424 DumpElem $$val, 3+$off, $m;
428 sub CvGV_name_or_bust {
430 return if $skipCvGV; # Backdoor to avoid problems if XS broken...
431 $in = \&$in; # Hard reference...
432 eval {require Devel::Peek; 1} or return;
433 my $gv = Devel::Peek::CvGV($in) or return;
434 *$gv{PACKAGE} . '::' . *$gv{NAME};
441 $sub = $1 if $sub =~ /^\{\*(.*)\}$/;
442 my $subref = defined $1 ? \&$sub : \&$ini;
443 my $place = $DB::sub{$sub} || (($s = $subs{"$subref"}) && $DB::sub{$s})
444 || (($s = CvGV_name_or_bust($subref)) && $DB::sub{$s})
445 || ($subdump && ($s = findsubs("$subref")) && $DB::sub{$s});
446 $place = '???' unless defined $place;
447 $s = $sub unless defined $s;
448 print( (' ' x $off) . "&$s in $place\n" );
452 return undef unless %DB::sub;
453 my ($addr, $name, $loc);
454 while (($name, $loc) = each %DB::sub) {
456 $subs{"$addr"} = $name;
463 my ($package,$m,@vars) = @_;
464 local(%address,$key,$val,$^W);
465 $package .= "::" unless $package =~ /::$/;
467 while ($package =~ /(\w+?::)/g){
468 *stab = $ {stab}{$1};
470 local $TotalStrings = 0;
472 local $CompleteTotal = 0;
473 while (($key,$val) = each(%stab)) {
474 return if $DB::signal;
475 next if @vars && !grep( matchvar($key, $_), @vars );
477 globUsage(\$val, $key)
478 if ($package ne 'dumpvar' or $key ne 'stab')
479 and ref(\$val) eq 'GLOB';
481 dumpglob(0,$key, $val, 0, $m);
485 print "String space: $TotalStrings bytes in $Strings strings.\n";
486 $CompleteTotal += $TotalStrings;
487 print "Grand total = $CompleteTotal bytes (1 level deep) + overhead.\n";
492 my $size = length($_[0]);
493 $TotalStrings += $size;
498 sub arrayUsage { # array ref, name
500 map {$size += scalarUsage($_)} @{$_[0]};
502 print "\@$_[1] = $len item", ($len > 1 ? "s" : ""),
503 " (data: $size bytes)\n"
505 $CompleteTotal += $size;
509 sub hashUsage { # hash ref, name
510 my @keys = keys %{$_[0]};
511 my @values = values %{$_[0]};
512 my $keys = arrayUsage \@keys;
513 my $values = arrayUsage \@values;
515 my $total = $keys + $values;
516 print "\%$_[1] = $len item", ($len > 1 ? "s" : ""),
517 " (keys: $keys; values: $values; total: $total bytes)\n"
522 sub globUsage { # glob ref, name
523 local *name = *{$_[0]};
525 $total += scalarUsage $name if defined $name;
526 $total += arrayUsage \@name, $_[1] if @name;
527 $total += hashUsage \%name, $_[1] if %name and $_[1] ne "main::"
528 and $_[1] ne "DB::"; #and !($package eq "dumpvar" and $key eq "stab"));
533 my ($package,@vars) = @_;
534 $package .= "::" unless $package =~ /::$/;
535 local *stab = *{"main::"};
536 while ($package =~ /(\w+?::)/g){
537 *stab = $ {stab}{$1};
539 local $TotalStrings = 0;
540 local $CompleteTotal = 0;
542 while (($key,$val) = each(%stab)) {
543 next if @vars && !grep($key eq $_,@vars);
544 globUsage \$val, $key unless $package eq 'dumpvar' and $key eq 'stab';
546 print "String space: $TotalStrings.\n";
547 $CompleteTotal += $TotalStrings;
548 print "\nGrand total = $CompleteTotal bytes\n";