+require 5.002; # For (defined ref)
package dumpvar;
+# 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;
+
+
+# Defaults
+
+# $globPrint = 1;
+$printUndef = 1 unless defined $printUndef;
+$tick = "auto" unless defined $tick;
+$unctrl = 'quote' unless defined $unctrl;
+$subdump = 1;
+$dumpReused = 0 unless defined $dumpReused;
+$bareStringify = 1 unless defined $bareStringify;
+
+sub main::dumpValue {
+ local %address;
+ local $^W=0;
+ (print "undef\n"), return unless defined $_[0];
+ (print &stringify($_[0]), "\n"), return unless ref $_[0];
+ dumpvar::unwrap($_[0],0, $_[1]);
+}
+
+# This one is good for variable names:
+
sub unctrl {
local($_) = @_;
+ local($v) ;
+
+ return \$_ if ref \$_ eq "GLOB";
s/([\001-\037\177])/'^'.pack('c',ord($1)^64)/eg;
$_;
}
-sub main'dumpvar {
- ($package,@vars) = @_;
- local(*stab) = *{"::_$package"};
- while (($key,$val) = each(%stab)) {
- {
- next if @vars && !grep($key eq $_,@vars);
- local(*entry) = $val;
- if (defined $entry) {
- print "\$$key = '",&unctrl($entry),"'\n";
- }
- if (defined @entry) {
- print "\@$key = (\n";
- foreach $num ($[ .. $#entry) {
- print " $num\t'",&unctrl($entry[$num]),"'\n";
- }
- print ")\n";
- }
- if ($key ne "_$package" && $key ne "_DB" && defined %entry) {
- print "\%$key = (\n";
- foreach $key (sort keys(%entry)) {
- print " $key\t'",&unctrl($entry{$key}),"'\n";
- }
- print ")\n";
+
+sub uniescape {
+ join("",
+ map { $_ > 255 ? sprintf("\\x{%04X}", $_) : chr($_) }
+ unpack("U*", $_[0]));
+}
+
+sub stringify {
+ local($_,$noticks) = @_;
+ local($v) ;
+ my $tick = $tick;
+
+ return 'undef' unless defined $_ or not $printUndef;
+ return $_ . "" if ref \$_ eq 'GLOB';
+ $_ = &{'overload::StrVal'}($_)
+ if $bareStringify and ref $_
+ and %overload:: and defined &{'overload::StrVal'};
+
+ if ($tick eq 'auto') {
+ if (/[\000-\011\013-\037\177]/) {
+ $tick = '"';
+ }else {
+ $tick = "'";
+ }
+ }
+ if ($tick eq "'") {
+ s/([\'\\])/\\$1/g;
+ } elsif ($unctrl eq 'unctrl') {
+ s/([\"\\])/\\$1/g ;
+ s/([\000-\037\177])/'^'.pack('c',ord($1)^64)/eg;
+ # uniescape?
+ s/([\200-\377])/'\\0x'.sprintf('%2X',ord($1))/eg
+ if $quoteHighBit;
+ } elsif ($unctrl eq 'quote') {
+ s/([\"\\\$\@])/\\$1/g if $tick eq '"';
+ s/\033/\\e/g;
+ s/([\000-\037\177])/'\\c'.chr(ord($1)^64)/eg;
+ }
+ $_ = uniescape($_);
+ s/([\200-\377])/'\\'.sprintf('%3o',ord($1))/eg if $quoteHighBit;
+ ($noticks || /^\d+(\.\d*)?\Z/)
+ ? $_
+ : $tick . $_ . $tick;
+}
+
+sub ShortArray {
+ my $tArrayDepth = $#{$_[0]} ;
+ $tArrayDepth = $#{$_[0]} < $arrayDepth-1 ? $#{$_[0]} : $arrayDepth-1
+ unless $arrayDepth eq '' ;
+ my $shortmore = "";
+ $shortmore = " ..." if $tArrayDepth < $#{$_[0]} ;
+ if (!grep(ref $_, @{$_[0]})) {
+ $short = "0..$#{$_[0]} '" .
+ join("' '", @{$_[0]}[0..$tArrayDepth]) . "'$shortmore";
+ return $short if length $short <= $compactDump;
+ }
+ undef;
+}
+
+sub DumpElem {
+ 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]})) {
+ my $end = 1;
+ $short = $sp . "0..$#{$v} '" .
+ join("' '", @{$v}[0..$tArrayDepth]) . "'$shortmore";
+ } else {
+ print "$short\n";
+ unwrap($_[0],$_[1],$_[2]);
+ }
+}
+
+sub unwrap {
+ return if $DB::signal;
+ local($v) = shift ;
+ local($s) = shift ; # extra no of spaces
+ local($m) = shift ; # maximum recursion depth
+ return if $m == 0;
+ local(%v,@v,$sp,$value,$key,@sortKeys,$more,$shortmore,$short) ;
+ local($tHashDepth,$tArrayDepth) ;
+
+ $sp = " " x $s ;
+ $s += 3 ;
+
+ # Check for reused addresses
+ if (ref $v) {
+ my $val = $v;
+ $val = &{'overload::StrVal'}($v)
+ if %overload:: and defined &{'overload::StrVal'};
+ ($address) = $val =~ /(0x[0-9a-f]+)\)$/ ;
+ if (!$dumpReused && defined $address) {
+ $address{$address}++ ;
+ if ( $address{$address} > 1 ) {
+ print "${sp}-> REUSED_ADDRESS\n" ;
+ return ;
+ }
+ }
+ } elsif (ref \$v eq 'GLOB') {
+ $address = "$v" . ""; # To avoid a bug with globs
+ $address{$address}++ ;
+ if ( $address{$address} > 1 ) {
+ print "${sp}*DUMPED_GLOB*\n" ;
+ return ;
+ }
+ }
+
+ if (ref $v eq 'Regexp') {
+ my $re = "$v";
+ $re =~ s,/,\\/,g;
+ print "$sp-> qr/$re/\n";
+ return;
+ }
+
+ if ( UNIVERSAL::isa($v, 'HASH') ) {
+ @sortKeys = sort keys(%$v) ;
+ undef $more ;
+ $tHashDepth = $#sortKeys ;
+ $tHashDepth = $#sortKeys < $hashDepth-1 ? $#sortKeys : $hashDepth-1
+ unless $hashDepth eq '' ;
+ $more = "....\n" if $tHashDepth < $#sortKeys ;
+ $shortmore = "";
+ $shortmore = ", ..." if $tHashDepth < $#sortKeys ;
+ $#sortKeys = $tHashDepth ;
+ if ($compactDump && !grep(ref $_, values %{$v})) {
+ #$short = $sp .
+ # (join ', ',
+# Next row core dumps during require from DB on 5.000, even with map {"_"}
+ # map {&stringify($_) . " => " . &stringify($v->{$_})}
+ # @sortKeys) . "'$shortmore";
+ $short = $sp;
+ my @keys;
+ for (@sortKeys) {
+ push @keys, &stringify($_) . " => " . &stringify($v->{$_});
+ }
+ $short .= join ', ', @keys;
+ $short .= $shortmore;
+ (print "$short\n"), return if length $short <= $compactDump;
+ }
+ for $key (@sortKeys) {
+ return if $DB::signal;
+ $value = $ {$v}{$key} ;
+ print "$sp", &stringify($key), " => ";
+ DumpElem $value, $s, $m-1;
+ }
+ print "$sp empty hash\n" unless @sortKeys;
+ print "$sp$more" if defined $more ;
+ } elsif ( UNIVERSAL::isa($v, 'ARRAY') ) {
+ $tArrayDepth = $#{$v} ;
+ undef $more ;
+ $tArrayDepth = $#{$v} < $arrayDepth-1 ? $#{$v} : $arrayDepth-1
+ if defined $arrayDepth && $arrayDepth ne '';
+ $more = "....\n" if $tArrayDepth < $#{$v} ;
+ $shortmore = "";
+ $shortmore = " ..." if $tArrayDepth < $#{$v} ;
+ if ($compactDump && !grep(ref $_, @{$v})) {
+ if ($#$v >= 0) {
+ $short = $sp . "0..$#{$v} " .
+ join(" ",
+ map {exists $v->[$_] ? stringify $v->[$_] : "empty"} ($[..$tArrayDepth)
+ ) . "$shortmore";
+ } else {
+ $short = $sp . "empty array";
+ }
+ (print "$short\n"), return if length $short <= $compactDump;
+ }
+ #if ($compactDump && $short = ShortArray($v)) {
+ # print "$short\n";
+ # return;
+ #}
+ for $num ($[ .. $tArrayDepth) {
+ return if $DB::signal;
+ print "$sp$num ";
+ if (exists $v->[$num]) {
+ DumpElem $v->[$num], $s, $m-1;
+ } else {
+ print "empty slot\n";
}
}
+ print "$sp empty array\n" unless @$v;
+ print "$sp$more" if defined $more ;
+ } elsif ( UNIVERSAL::isa($v, 'SCALAR') or ref $v eq 'REF' ) {
+ print "$sp-> ";
+ DumpElem $$v, $s, $m-1;
+ } elsif ( UNIVERSAL::isa($v, 'CODE') ) {
+ print "$sp-> ";
+ dumpsub (0, $v);
+ } elsif ( UNIVERSAL::isa($v, 'GLOB') ) {
+ print "$sp-> ",&stringify($$v,1),"\n";
+ if ($globPrint) {
+ $s += 3;
+ dumpglob($s, "{$$v}", $$v, 1, $m-1);
+ } elsif (defined ($fileno = fileno($v))) {
+ print( (' ' x ($s+3)) . "FileHandle({$$v}) => fileno($fileno)\n" );
+ }
+ } elsif (ref \$v eq 'GLOB') {
+ if ($globPrint) {
+ dumpglob($s, "{$v}", $v, 1, $m-1) if $globPrint;
+ } elsif (defined ($fileno = fileno(\$v))) {
+ print( (' ' x $s) . "FileHandle({$v}) => fileno($fileno)\n" );
+ }
+ }
+}
+
+sub matchvar {
+ $_[0] eq $_[1] or
+ ($_[1] =~ /^([!~])(.)([\x00-\xff]*)/) and
+ ($1 eq '!') ^ (eval {($_[2] . "::" . $_[0]) =~ /$2$3/});
+}
+
+sub compactDump {
+ $compactDump = shift if @_;
+ $compactDump = 6*80-1 if $compactDump and $compactDump < 2;
+ $compactDump;
+}
+
+sub veryCompact {
+ $veryCompact = shift if @_;
+ compactDump(1) if !$compactDump and $veryCompact;
+ $veryCompact;
+}
+
+sub unctrlSet {
+ if (@_) {
+ my $in = shift;
+ if ($in eq 'unctrl' or $in eq 'quote') {
+ $unctrl = $in;
+ } else {
+ print "Unknown value for `unctrl'.\n";
+ }
+ }
+ $unctrl;
+}
+
+sub quote {
+ if (@_ and $_[0] eq '"') {
+ $tick = '"';
+ $unctrl = 'quote';
+ } elsif (@_ and $_[0] eq 'auto') {
+ $tick = 'auto';
+ $unctrl = 'quote';
+ } elsif (@_) { # Need to set
+ $tick = "'";
+ $unctrl = 'unctrl';
+ }
+ $tick;
+}
+
+sub dumpglob {
+ return if $DB::signal;
+ my ($off,$key, $val, $all, $m) = @_;
+ local(*entry) = $val;
+ my $fileno;
+ if (($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($fileno)\n" );
}
+ if ($all) {
+ if (defined &entry) {
+ dumpsub($off, $key);
+ }
+ }
+}
+
+sub CvGV_name_or_bust {
+ my $in = shift;
+ 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 dumpsub {
+ my ($off,$sub) = @_;
+ my $ini = $sub;
+ my $s;
+ $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 $place\n" );
+}
+
+sub findsubs {
+ return undef unless %DB::sub;
+ my ($addr, $name, $loc);
+ while (($name, $loc) = each %DB::sub) {
+ $addr = \&$name;
+ $subs{"$addr"} = $name;
+ }
+ $subdump = 0;
+ $subs{ shift() };
+}
+
+sub main::dumpvar {
+ my ($package,$m,@vars) = @_;
+ local(%address,$key,$val,$^W);
+ $package .= "::" unless $package =~ /::$/;
+ *stab = *{"main::"};
+ while ($package =~ /(\w+?::)/g){
+ *stab = $ {stab}{$1};
+ }
+ local $TotalStrings = 0;
+ local $Strings = 0;
+ local $CompleteTotal = 0;
+ while (($key,$val) = each(%stab)) {
+ return if $DB::signal;
+ next if @vars && !grep( matchvar($key, $_), @vars );
+ if ($usageOnly) {
+ globUsage(\$val, $key)
+ if ($package ne 'dumpvar' or $key ne 'stab')
+ and ref(\$val) eq 'GLOB';
+ } else {
+ dumpglob(0,$key, $val, 0, $m);
+ }
+ }
+ if ($usageOnly) {
+ print "String space: $TotalStrings bytes in $Strings strings.\n";
+ $CompleteTotal += $TotalStrings;
+ print "Grand total = $CompleteTotal bytes (1 level deep) + overhead.\n";
+ }
+}
+
+sub scalarUsage {
+ my $size = length($_[0]);
+ $TotalStrings += $size;
+ $Strings++;
+ $size;
+}
+
+sub arrayUsage { # array ref, name
+ my $size = 0;
+ map {$size += scalarUsage($_)} @{$_[0]};
+ my $len = @{$_[0]};
+ print "\@$_[1] = $len item", ($len > 1 ? "s" : ""),
+ " (data: $size bytes)\n"
+ if defined $_[1];
+ $CompleteTotal += $size;
+ $size;
+}
+
+sub hashUsage { # hash ref, name
+ my @keys = keys %{$_[0]};
+ my @values = values %{$_[0]};
+ my $keys = arrayUsage \@keys;
+ my $values = arrayUsage \@values;
+ my $len = @keys;
+ my $total = $keys + $values;
+ print "\%$_[1] = $len item", ($len > 1 ? "s" : ""),
+ " (keys: $keys; values: $values; total: $total bytes)\n"
+ if defined $_[1];
+ $total;
+}
+
+sub globUsage { # glob ref, name
+ local *name = *{$_[0]};
+ $total = 0;
+ $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"));
+ $total;
+}
+
+sub packageUsage {
+ my ($package,@vars) = @_;
+ $package .= "::" unless $package =~ /::$/;
+ local *stab = *{"main::"};
+ while ($package =~ /(\w+?::)/g){
+ *stab = $ {stab}{$1};
+ }
+ local $TotalStrings = 0;
+ local $CompleteTotal = 0;
+ my ($key,$val);
+ while (($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";
}
1;
+
https://perl5.git.perl.org / perl5.git / blobdiff