require 5.002; # For (defined ref)
# Needed for PrettyPrinter only:
# require 5.001; # Well, it coredumps anyway undef DB in 5.000 (not now)
# translate control chars to ^X - Randal Schwartz
# Modifications to print types by Peter Gordon v1.0
# Ilya Zakharevich -- patches after 5.001 (and some before ;-)
# Won't dump symbol tables and contents of debugged files by default
$winsize = 80 unless defined $winsize;
$printUndef = 1 unless defined $printUndef;
$tick = "auto" unless defined $tick;
$unctrl = 'quote' unless defined $unctrl;
$dumpReused = 0 unless defined $dumpReused;
$bareStringify = 1 unless defined $bareStringify;
(print "undef\n"), return unless defined $_[0];
(print &stringify
($_[0]), "\n"), return unless ref $_[0];
dumpvar
::unwrap
($_[0], 0, $_[1]);
# This one is good for variable names:
return \
$_ if ref \
$_ eq "GLOB";
s/([\001-\037\177])/'^'.pack('c',ord($1)^64)/eg;
map { $_ > 255 ?
sprintf("\\x{%04X}", $_) : chr($_) }
return 'undef' unless defined $_ or not $printUndef;
return $_ . "" if ref \
$_ eq 'GLOB';
$_ = &{'overload::StrVal'}($_)
if $bareStringify and ref $_
and %overload:: and defined &{'overload::StrVal'};
if (/[\000-\011\013-\037\177]/) {
} elsif ($unctrl eq 'unctrl') {
s/([\000-\037\177])/'^'.pack('c',ord($1)^64)/eg;
s/([\200-\377])/'\\0x'.sprintf('%2X',ord($1))/eg
} elsif ($unctrl eq 'quote') {
s/([\"\\\$\@])/\\$1/g if $tick eq '"';
s/([\000-\037\177])/'\\c'._escaped_ord($1)/eg;
s/([\200-\377])/'\\'.sprintf('%3o',ord($1))/eg if $quoteHighBit;
($noticks || /^\d+(\.\d*)?\Z/)
# Ensure a resulting \ is escaped to be \\
$chr = chr(ord($chr)^64);
my $tArrayDepth = $#{$_[0]} ;
$tArrayDepth = $#{$_[0]} < $arrayDepth-1 ? $#{$_[0]} : $arrayDepth-1
unless $arrayDepth eq '' ;
$shortmore = " ..." if $tArrayDepth < $#{$_[0]} ;
if (!grep(ref $_, @
{$_[0]})) {
$short = "0..$#{$_[0]} '" .
join("' '", @
{$_[0]}[0..$tArrayDepth]) . "'$shortmore";
return $short if length $short <= $compactDump;
my $short = &stringify
($_[0], ref $_[0]);
if ($veryCompact && ref $_[0]
&& (ref $_[0] eq 'ARRAY' and !grep(ref $_, @
{$_[0]}) )) {
my $end = "0..$#{$v} '" .
join("' '", @
{$_[0]}[0..$tArrayDepth]) . "'$shortmore";
} elsif ($veryCompact && ref $_[0]
&& (ref $_[0] eq 'HASH') and !grep(ref $_, values %{$_[0]})) {
$short = $sp . "0..$#{$v} '" .
join("' '", @
{$v}[0..$tArrayDepth]) . "'$shortmore";
unwrap
($_[0],$_[1],$_[2]) if ref $_[0];
local($s) = shift ; # extra no of spaces
local($m) = shift ; # maximum recursion depth
local(%v,@v,$sp,$value,$key,@sortKeys,$more,$shortmore,$short) ;
local($tHashDepth,$tArrayDepth) ;
# Check for reused addresses
$val = &{'overload::StrVal'}($v)
if %overload:: and defined &{'overload::StrVal'};
# Match type and address.
# Unblessed references will look like TYPE(0x...)
# Blessed references will look like Class=TYPE(0x...)
($start_part, $val) = split /=/,$val;
$val = $start_part unless defined $val;
$val =~ /([^\
(]+) # Keep stuff that's
(0x
[0-9a
-f
]+) # Save the address
$/x
; # Should be at end now
if (!$dumpReused && defined $address) {
if ( $address{$address} > 1 ) {
print "${sp}-> REUSED_ADDRESS\n" ;
} elsif (ref \
$v eq 'GLOB') {
# This is a raw glob. Special handling for that.
$address = "$v" . ""; # To avoid a bug with globs
if ( $address{$address} > 1 ) {
print "${sp}*DUMPED_GLOB*\n" ;
if (ref $v eq 'Regexp') {
# Reformat the regexp to look the standard way.
if ( $item_type eq 'HASH' ) {
# Hash ref or hash-based object.
my @sortKeys = sort keys(%$v) ;
$tHashDepth = $#sortKeys ;
$tHashDepth = $#sortKeys < $hashDepth-1 ?
$#sortKeys : $hashDepth-1
unless $hashDepth eq '' ;
$more = "....\n" if $tHashDepth < $#sortKeys ;
$shortmore = ", ..." if $tHashDepth < $#sortKeys ;
$#sortKeys = $tHashDepth ;
if ($compactDump && !grep(ref $_, values %{$v})) {
# Next row core dumps during require from DB on 5.000, even with map {"_"}
# map {&stringify($_) . " => " . &stringify($v->{$_})}
# @sortKeys) . "'$shortmore";
push @keys, &stringify
($_) . " => " . &stringify
($v->{$_});
$short .= join ', ', @keys;
(print "$short\n"), return if length $short <= $compactDump;
print "$sp", &stringify
($key), " => ";
DumpElem
$value, $s, $m-1;
print "$sp empty hash\n" unless @sortKeys;
print "$sp$more" if defined $more ;
} elsif ( $item_type eq 'ARRAY' ) {
# Array ref or array-based object. Also: undef.
# See how big the array is.
$tArrayDepth = $#{$v} < $arrayDepth-1 ? $#{$v} : $arrayDepth-1
if defined $arrayDepth && $arrayDepth ne '';
# Yep. Don't show it all.
$more = "....\n" if $tArrayDepth < $#{$v} ;
$shortmore = " ..." if $tArrayDepth < $#{$v} ;
if ($compactDump && !grep(ref $_, @
{$v})) {
$short = $sp . "0..$#{$v} " .
map {exists $v->[$_] ? stringify
$v->[$_] : "empty"} ($[..$tArrayDepth)
$short = $sp . "empty array";
(print "$short\n"), return if length $short <= $compactDump;
#if ($compactDump && $short = ShortArray($v)) {
for $num ($[ .. $tArrayDepth) {
if (defined $v->[$num]) {
DumpElem
$v->[$num], $s, $m-1;
print "$sp empty array\n" unless @
$v;
print "$sp$more" if defined $more ;
} elsif ( $item_type eq 'SCALAR' ) {
} elsif ( $item_type eq 'REF' ) {
return unless defined $$v;
} elsif ( $item_type eq 'CODE' ) {
# Code object or reference.
} elsif ( $item_type eq 'GLOB' ) {
# Glob object or reference.
print "$sp-> ",&stringify
($$v,1),"\n";
dumpglob
($s, "{$$v}", $$v, 1, $m-1);
} elsif (defined ($fileno = fileno($v))) {
print( (' ' x
($s+3)) . "FileHandle({$$v}) => fileno($fileno)\n" );
} elsif (ref \
$v eq 'GLOB') {
dumpglob
($s, "{$v}", $v, 1, $m-1) if $globPrint;
} elsif (defined ($fileno = fileno(\
$v))) {
print( (' ' x
$s) . "FileHandle({$v}) => fileno($fileno)\n" );
(my $var = $_[0]) =~ s/.//;
($_[1] =~ /^([!~])(.)([\x00-\xff]*)/) and
($1 eq '!') ^ (eval { $var =~ /$2$3/ });
($_[1] =~ /^([!~])(.)([\x00-\xff]*)/) and
($1 eq '!') ^ (eval {($_[2] . "::" . $_[0]) =~ /$2$3/});
$compactDump = shift if @_;
$compactDump = 6*80-1 if $compactDump and $compactDump < 2;
$veryCompact = shift if @_;
compactDump
(1) if !$compactDump and $veryCompact;
if ($in eq 'unctrl' or $in eq 'quote') {
print "Unknown value for `unctrl'.\n";
if (@_ and $_[0] eq '"') {
} elsif (@_ and $_[0] eq 'auto') {
} elsif (@_) { # Need to set
my ($off,$key, $val, $all, $m) = @_;
if (($key !~ /^_</ or $dumpDBFiles) and defined $entry) {
print( (' ' x
$off) . "\$", &unctrl
($key), " = " );
DumpElem
$entry, 3+$off, $m;
if (($key !~ /^_</ or $dumpDBFiles) and @entry) {
print( (' ' x
$off) . "\@$key = (\n" );
unwrap
(\
@entry,3+$off,$m) ;
print( (' ' x
$off) . ")\n" );
if ($key ne "main::" && $key ne "DB::" && %entry
&& ($dumpPackages or $key !~ /::$/)
&& ($key !~ /^_</ or $dumpDBFiles)
&& !($package eq "dumpvar" and $key eq "stab")) {
print( (' ' x
$off) . "\%$key = (\n" );
unwrap
(\
%entry,3+$off,$m) ;
print( (' ' x
$off) . ")\n" );
if (defined ($fileno = fileno(*entry
))) {
print( (' ' x
$off) . "FileHandle($key) => fileno($fileno)\n" );
my ($key, $val, $m, @vars) = @_;
return if @vars && !grep( matchlex
($key, $_), @vars );
my $off = 0; # It reads better this way
if (UNIVERSAL
::isa
($val,'ARRAY')) {
print( (' ' x
$off) . "$key = (\n" );
print( (' ' x
$off) . ")\n" );
elsif (UNIVERSAL
::isa
($val,'HASH')) {
print( (' ' x
$off) . "$key = (\n" );
print( (' ' x
$off) . ")\n" );
elsif (UNIVERSAL
::isa
($val,'IO')) {
print( (' ' x
$off) . "FileHandle($key) => fileno($fileno)\n" );
# No lexical subroutines yet...
# elsif (UNIVERSAL::isa($val,'CODE')) {
print( (' ' x
$off) . &unctrl
($key), " = " );
DumpElem
$$val, 3+$off, $m;
return if $skipCvGV; # Backdoor to avoid problems if XS broken...
$in = \
&$in; # Hard reference...
eval {require Devel
::Peek
; 1} or return;
my $gv = Devel
::Peek
::CvGV
($in) or return;
*$gv{PACKAGE
} . '::' . *$gv{NAME
};
$sub = $1 if $sub =~ /^\{\*(.*)\}$/;
my $subref = defined $1 ? \
&$sub : \
&$ini;
my $place = $DB::sub{$sub} || (($s = $subs{"$subref"}) && $DB::sub{$s})
|| (($s = CvGV_name_or_bust
($subref)) && $DB::sub{$s})
|| ($subdump && ($s = findsubs
("$subref")) && $DB::sub{$s});
$place = '???' unless defined $place;
$s = $sub unless defined $s;
print( (' ' x
$off) . "&$s in $place\n" );
return undef unless %DB::sub;
while (($name, $loc) = each %DB::sub) {
my ($package,$m,@vars) = @_;
local(%address,$key,$val,$^W
);
$package .= "::" unless $package =~ /::$/;
while ($package =~ /(\w+?::)/g){
local $CompleteTotal = 0;
while (($key,$val) = each(%stab)) {
next if @vars && !grep( matchvar
($key, $_), @vars );
if ($package ne 'dumpvar' or $key ne 'stab')
and ref(\
$val) eq 'GLOB';
dumpglob
(0,$key, $val, 0, $m);
print "String space: $TotalStrings bytes in $Strings strings.\n";
$CompleteTotal += $TotalStrings;
print "Grand total = $CompleteTotal bytes (1 level deep) + overhead.\n";
my $size = length($_[0]);
sub arrayUsage
{ # array ref, name
map {$size += scalarUsage
($_)} @
{$_[0]};
print "\@$_[1] = $len item", ($len > 1 ?
"s" : ""),
sub hashUsage
{ # hash ref, name
my @keys = keys %{$_[0]};
my @values = values %{$_[0]};
my $keys = arrayUsage \
@keys;
my $values = arrayUsage \
@values;
my $total = $keys + $values;
print "\%$_[1] = $len item", ($len > 1 ?
"s" : ""),
" (keys: $keys; values: $values; total: $total bytes)\n"
sub globUsage
{ # glob ref, name
$total += scalarUsage
$name if defined $name;
$total += arrayUsage \
@name, $_[1] if @name;
$total += hashUsage \
%name, $_[1] if %name and $_[1] ne "main::"
and $_[1] ne "DB::"; #and !($package eq "dumpvar" and $key eq "stab"));
my ($package,@vars) = @_;
$package .= "::" unless $package =~ /::$/;
local *stab
= *{"main::"};
while ($package =~ /(\w+?::)/g){
local $CompleteTotal = 0;
while (($key,$val) = each(%stab)) {
next if @vars && !grep($key eq $_,@vars);
globUsage \
$val, $key unless $package eq 'dumpvar' and $key eq 'stab';
print "String space: $TotalStrings.\n";
$CompleteTotal += $TotalStrings;
print "\nGrand total = $CompleteTotal bytes\n";