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root |
1.1 |
require 5.002; # For (defined ref) |
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package dumpvar; |
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# Needed for PrettyPrinter only: |
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# require 5.001; # Well, it coredumps anyway undef DB in 5.000 (not now) |
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# translate control chars to ^X - Randal Schwartz |
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# Modifications to print types by Peter Gordon v1.0 |
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# Ilya Zakharevich -- patches after 5.001 (and some before ;-) |
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# Won't dump symbol tables and contents of debugged files by default |
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$winsize = 80 unless defined $winsize; |
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# Defaults |
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# $globPrint = 1; |
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$printUndef = 1 unless defined $printUndef; |
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$tick = "auto" unless defined $tick; |
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$unctrl = 'quote' unless defined $unctrl; |
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$subdump = 1; |
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$dumpReused = 0 unless defined $dumpReused; |
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$bareStringify = 1 unless defined $bareStringify; |
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sub main::dumpValue { |
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local %address; |
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local $^W=0; |
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(print "undef\n"), return unless defined $_[0]; |
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(print &stringify($_[0]), "\n"), return unless ref $_[0]; |
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push @_, -1 if @_ == 1; |
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dumpvar::unwrap($_[0], 0, $_[1]); |
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} |
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# This one is good for variable names: |
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sub unctrl { |
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local($_) = @_; |
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local($v) ; |
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return \$_ if ref \$_ eq "GLOB"; |
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s/([\001-\037\177])/'^'.pack('c',ord($1)^64)/eg; |
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$_; |
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} |
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sub uniescape { |
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join("", |
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map { $_ > 255 ? sprintf("\\x{%04X}", $_) : chr($_) } |
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unpack("U*", $_[0])); |
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} |
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sub stringify { |
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local($_,$noticks) = @_; |
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local($v) ; |
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my $tick = $tick; |
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return 'undef' unless defined $_ or not $printUndef; |
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return $_ . "" if ref \$_ eq 'GLOB'; |
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$_ = &{'overload::StrVal'}($_) |
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if $bareStringify and ref $_ |
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and %overload:: and defined &{'overload::StrVal'}; |
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if ($tick eq 'auto') { |
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if (/[\000-\011\013-\037\177]/) { |
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$tick = '"'; |
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}else { |
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$tick = "'"; |
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} |
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} |
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if ($tick eq "'") { |
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s/([\'\\])/\\$1/g; |
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} elsif ($unctrl eq 'unctrl') { |
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s/([\"\\])/\\$1/g ; |
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s/([\000-\037\177])/'^'.pack('c',ord($1)^64)/eg; |
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# uniescape? |
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s/([\200-\377])/'\\0x'.sprintf('%2X',ord($1))/eg |
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if $quoteHighBit; |
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} elsif ($unctrl eq 'quote') { |
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s/([\"\\\$\@])/\\$1/g if $tick eq '"'; |
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s/\033/\\e/g; |
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s/([\000-\037\177])/'\\c'.chr(ord($1)^64)/eg; |
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} |
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$_ = uniescape($_); |
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s/([\200-\377])/'\\'.sprintf('%3o',ord($1))/eg if $quoteHighBit; |
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($noticks || /^\d+(\.\d*)?\Z/) |
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? $_ |
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: $tick . $_ . $tick; |
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} |
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sub ShortArray { |
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my $tArrayDepth = $#{$_[0]} ; |
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$tArrayDepth = $#{$_[0]} < $arrayDepth-1 ? $#{$_[0]} : $arrayDepth-1 |
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unless $arrayDepth eq '' ; |
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my $shortmore = ""; |
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$shortmore = " ..." if $tArrayDepth < $#{$_[0]} ; |
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if (!grep(ref $_, @{$_[0]})) { |
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$short = "0..$#{$_[0]} '" . |
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join("' '", @{$_[0]}[0..$tArrayDepth]) . "'$shortmore"; |
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return $short if length $short <= $compactDump; |
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} |
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undef; |
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} |
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sub DumpElem { |
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my $short = &stringify($_[0], ref $_[0]); |
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if ($veryCompact && ref $_[0] |
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&& (ref $_[0] eq 'ARRAY' and !grep(ref $_, @{$_[0]}) )) { |
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my $end = "0..$#{$v} '" . |
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join("' '", @{$_[0]}[0..$tArrayDepth]) . "'$shortmore"; |
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} elsif ($veryCompact && ref $_[0] |
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&& (ref $_[0] eq 'HASH') and !grep(ref $_, values %{$_[0]})) { |
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my $end = 1; |
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$short = $sp . "0..$#{$v} '" . |
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join("' '", @{$v}[0..$tArrayDepth]) . "'$shortmore"; |
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} else { |
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print "$short\n"; |
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unwrap($_[0],$_[1],$_[2]) if ref $_[0]; |
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} |
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} |
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sub unwrap { |
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return if $DB::signal; |
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local($v) = shift ; |
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local($s) = shift ; # extra no of spaces |
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local($m) = shift ; # maximum recursion depth |
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return if $m == 0; |
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local(%v,@v,$sp,$value,$key,@sortKeys,$more,$shortmore,$short) ; |
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local($tHashDepth,$tArrayDepth) ; |
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$sp = " " x $s ; |
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$s += 3 ; |
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# Check for reused addresses |
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if (ref $v) { |
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my $val = $v; |
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$val = &{'overload::StrVal'}($v) |
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if %overload:: and defined &{'overload::StrVal'}; |
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# Match type and address. |
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# Unblessed references will look like TYPE(0x...) |
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# Blessed references will look like Class=TYPE(0x...) |
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($start_part, $val) = split /=/,$val; |
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$val = $start_part unless defined $val; |
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($item_type, $address) = |
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$val =~ /([^\(]+) # Keep stuff that's |
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# not an open paren |
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\( # Skip open paren |
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(0x[0-9a-f]+) # Save the address |
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\) # Skip close paren |
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$/x; # Should be at end now |
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if (!$dumpReused && defined $address) { |
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$address{$address}++ ; |
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if ( $address{$address} > 1 ) { |
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print "${sp}-> REUSED_ADDRESS\n" ; |
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return ; |
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} |
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} |
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} elsif (ref \$v eq 'GLOB') { |
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# This is a raw glob. Special handling for that. |
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$address = "$v" . ""; # To avoid a bug with globs |
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$address{$address}++ ; |
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if ( $address{$address} > 1 ) { |
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print "${sp}*DUMPED_GLOB*\n" ; |
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return ; |
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} |
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} |
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if (ref $v eq 'Regexp') { |
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# Reformat the regexp to look the standard way. |
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my $re = "$v"; |
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$re =~ s,/,\\/,g; |
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print "$sp-> qr/$re/\n"; |
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return; |
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} |
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if ( $item_type eq 'HASH' ) { |
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# Hash ref or hash-based object. |
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my @sortKeys = sort keys(%$v) ; |
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undef $more ; |
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$tHashDepth = $#sortKeys ; |
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$tHashDepth = $#sortKeys < $hashDepth-1 ? $#sortKeys : $hashDepth-1 |
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unless $hashDepth eq '' ; |
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$more = "....\n" if $tHashDepth < $#sortKeys ; |
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$shortmore = ""; |
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$shortmore = ", ..." if $tHashDepth < $#sortKeys ; |
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$#sortKeys = $tHashDepth ; |
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if ($compactDump && !grep(ref $_, values %{$v})) { |
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#$short = $sp . |
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# (join ', ', |
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# Next row core dumps during require from DB on 5.000, even with map {"_"} |
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# map {&stringify($_) . " => " . &stringify($v->{$_})} |
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# @sortKeys) . "'$shortmore"; |
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$short = $sp; |
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my @keys; |
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for (@sortKeys) { |
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push @keys, &stringify($_) . " => " . &stringify($v->{$_}); |
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} |
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$short .= join ', ', @keys; |
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$short .= $shortmore; |
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(print "$short\n"), return if length $short <= $compactDump; |
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} |
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for $key (@sortKeys) { |
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return if $DB::signal; |
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$value = $ {$v}{$key} ; |
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print "$sp", &stringify($key), " => "; |
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DumpElem $value, $s, $m-1; |
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} |
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print "$sp empty hash\n" unless @sortKeys; |
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print "$sp$more" if defined $more ; |
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} elsif ( $item_type eq 'ARRAY' ) { |
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# Array ref or array-based object. Also: undef. |
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# See how big the array is. |
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$tArrayDepth = $#{$v} ; |
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undef $more ; |
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# Bigger than the max? |
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$tArrayDepth = $#{$v} < $arrayDepth-1 ? $#{$v} : $arrayDepth-1 |
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if defined $arrayDepth && $arrayDepth ne ''; |
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# Yep. Don't show it all. |
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$more = "....\n" if $tArrayDepth < $#{$v} ; |
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$shortmore = ""; |
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$shortmore = " ..." if $tArrayDepth < $#{$v} ; |
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if ($compactDump && !grep(ref $_, @{$v})) { |
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if ($#$v >= 0) { |
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$short = $sp . "0..$#{$v} " . |
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join(" ", |
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map {exists $v->[$_] ? stringify $v->[$_] : "empty"} ($[..$tArrayDepth) |
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) . "$shortmore"; |
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} else { |
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$short = $sp . "empty array"; |
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} |
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(print "$short\n"), return if length $short <= $compactDump; |
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} |
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#if ($compactDump && $short = ShortArray($v)) { |
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# print "$short\n"; |
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# return; |
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#} |
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for $num ($[ .. $tArrayDepth) { |
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return if $DB::signal; |
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print "$sp$num "; |
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if (exists $v->[$num]) { |
| 244 |
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if (defined $v->[$num]) { |
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DumpElem $v->[$num], $s, $m-1; |
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} |
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else { |
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print "undef\n"; |
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} |
| 250 |
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} else { |
| 251 |
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print "empty slot\n"; |
| 252 |
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} |
| 253 |
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} |
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print "$sp empty array\n" unless @$v; |
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print "$sp$more" if defined $more ; |
| 256 |
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} elsif ( $item_type eq 'SCALAR' ) { |
| 257 |
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unless (defined $$v) { |
| 258 |
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print "$sp-> undef\n"; |
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return; |
| 260 |
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} |
| 261 |
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print "$sp-> "; |
| 262 |
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DumpElem $$v, $s, $m-1; |
| 263 |
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} elsif ( $item_type eq 'REF' ) { |
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print "$sp-> $$v\n"; |
| 265 |
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return unless defined $$v; |
| 266 |
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unwrap($$v, $s+3, $m-1); |
| 267 |
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} elsif ( $item_type eq 'CODE' ) { |
| 268 |
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# Code object or reference. |
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print "$sp-> "; |
| 270 |
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dumpsub (0, $v); |
| 271 |
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} elsif ( $item_type eq 'GLOB' ) { |
| 272 |
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# Glob object or reference. |
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print "$sp-> ",&stringify($$v,1),"\n"; |
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if ($globPrint) { |
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$s += 3; |
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dumpglob($s, "{$$v}", $$v, 1, $m-1); |
| 277 |
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} elsif (defined ($fileno = fileno($v))) { |
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print( (' ' x ($s+3)) . "FileHandle({$$v}) => fileno($fileno)\n" ); |
| 279 |
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} |
| 280 |
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} elsif (ref \$v eq 'GLOB') { |
| 281 |
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# Raw glob (again?) |
| 282 |
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if ($globPrint) { |
| 283 |
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dumpglob($s, "{$v}", $v, 1, $m-1) if $globPrint; |
| 284 |
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} elsif (defined ($fileno = fileno(\$v))) { |
| 285 |
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print( (' ' x $s) . "FileHandle({$v}) => fileno($fileno)\n" ); |
| 286 |
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} |
| 287 |
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} |
| 288 |
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} |
| 289 |
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| 290 |
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sub matchlex { |
| 291 |
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(my $var = $_[0]) =~ s/.//; |
| 292 |
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$var eq $_[1] or |
| 293 |
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($_[1] =~ /^([!~])(.)([\x00-\xff]*)/) and |
| 294 |
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($1 eq '!') ^ (eval { $var =~ /$2$3/ }); |
| 295 |
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} |
| 296 |
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| 297 |
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sub matchvar { |
| 298 |
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$_[0] eq $_[1] or |
| 299 |
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($_[1] =~ /^([!~])(.)([\x00-\xff]*)/) and |
| 300 |
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($1 eq '!') ^ (eval {($_[2] . "::" . $_[0]) =~ /$2$3/}); |
| 301 |
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} |
| 302 |
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| 303 |
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sub compactDump { |
| 304 |
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$compactDump = shift if @_; |
| 305 |
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$compactDump = 6*80-1 if $compactDump and $compactDump < 2; |
| 306 |
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$compactDump; |
| 307 |
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} |
| 308 |
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| 309 |
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sub veryCompact { |
| 310 |
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$veryCompact = shift if @_; |
| 311 |
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compactDump(1) if !$compactDump and $veryCompact; |
| 312 |
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$veryCompact; |
| 313 |
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} |
| 314 |
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| 315 |
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sub unctrlSet { |
| 316 |
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if (@_) { |
| 317 |
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my $in = shift; |
| 318 |
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if ($in eq 'unctrl' or $in eq 'quote') { |
| 319 |
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$unctrl = $in; |
| 320 |
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} else { |
| 321 |
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print "Unknown value for `unctrl'.\n"; |
| 322 |
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} |
| 323 |
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} |
| 324 |
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$unctrl; |
| 325 |
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} |
| 326 |
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| 327 |
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sub quote { |
| 328 |
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if (@_ and $_[0] eq '"') { |
| 329 |
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$tick = '"'; |
| 330 |
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$unctrl = 'quote'; |
| 331 |
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} elsif (@_ and $_[0] eq 'auto') { |
| 332 |
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$tick = 'auto'; |
| 333 |
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$unctrl = 'quote'; |
| 334 |
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} elsif (@_) { # Need to set |
| 335 |
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$tick = "'"; |
| 336 |
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$unctrl = 'unctrl'; |
| 337 |
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} |
| 338 |
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$tick; |
| 339 |
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} |
| 340 |
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| 341 |
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sub dumpglob { |
| 342 |
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return if $DB::signal; |
| 343 |
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my ($off,$key, $val, $all, $m) = @_; |
| 344 |
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local(*entry) = $val; |
| 345 |
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my $fileno; |
| 346 |
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if (($key !~ /^_</ or $dumpDBFiles) and defined $entry) { |
| 347 |
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print( (' ' x $off) . "\$", &unctrl($key), " = " ); |
| 348 |
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DumpElem $entry, 3+$off, $m; |
| 349 |
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} |
| 350 |
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if (($key !~ /^_</ or $dumpDBFiles) and @entry) { |
| 351 |
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print( (' ' x $off) . "\@$key = (\n" ); |
| 352 |
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unwrap(\@entry,3+$off,$m) ; |
| 353 |
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print( (' ' x $off) . ")\n" ); |
| 354 |
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} |
| 355 |
|
|
if ($key ne "main::" && $key ne "DB::" && %entry |
| 356 |
|
|
&& ($dumpPackages or $key !~ /::$/) |
| 357 |
|
|
&& ($key !~ /^_</ or $dumpDBFiles) |
| 358 |
|
|
&& !($package eq "dumpvar" and $key eq "stab")) { |
| 359 |
|
|
print( (' ' x $off) . "\%$key = (\n" ); |
| 360 |
|
|
unwrap(\%entry,3+$off,$m) ; |
| 361 |
|
|
print( (' ' x $off) . ")\n" ); |
| 362 |
|
|
} |
| 363 |
|
|
if (defined ($fileno = fileno(*entry))) { |
| 364 |
|
|
print( (' ' x $off) . "FileHandle($key) => fileno($fileno)\n" ); |
| 365 |
|
|
} |
| 366 |
|
|
if ($all) { |
| 367 |
|
|
if (defined &entry) { |
| 368 |
|
|
dumpsub($off, $key); |
| 369 |
|
|
} |
| 370 |
|
|
} |
| 371 |
|
|
} |
| 372 |
|
|
|
| 373 |
|
|
sub dumplex { |
| 374 |
|
|
return if $DB::signal; |
| 375 |
|
|
my ($key, $val, $m, @vars) = @_; |
| 376 |
|
|
return if @vars && !grep( matchlex($key, $_), @vars ); |
| 377 |
|
|
local %address; |
| 378 |
|
|
my $off = 0; # It reads better this way |
| 379 |
|
|
my $fileno; |
| 380 |
|
|
if (UNIVERSAL::isa($val,'ARRAY')) { |
| 381 |
|
|
print( (' ' x $off) . "$key = (\n" ); |
| 382 |
|
|
unwrap($val,3+$off,$m) ; |
| 383 |
|
|
print( (' ' x $off) . ")\n" ); |
| 384 |
|
|
} |
| 385 |
|
|
elsif (UNIVERSAL::isa($val,'HASH')) { |
| 386 |
|
|
print( (' ' x $off) . "$key = (\n" ); |
| 387 |
|
|
unwrap($val,3+$off,$m) ; |
| 388 |
|
|
print( (' ' x $off) . ")\n" ); |
| 389 |
|
|
} |
| 390 |
|
|
elsif (UNIVERSAL::isa($val,'IO')) { |
| 391 |
|
|
print( (' ' x $off) . "FileHandle($key) => fileno($fileno)\n" ); |
| 392 |
|
|
} |
| 393 |
|
|
# No lexical subroutines yet... |
| 394 |
|
|
# elsif (UNIVERSAL::isa($val,'CODE')) { |
| 395 |
|
|
# dumpsub($off, $$val); |
| 396 |
|
|
# } |
| 397 |
|
|
else { |
| 398 |
|
|
print( (' ' x $off) . &unctrl($key), " = " ); |
| 399 |
|
|
DumpElem $$val, 3+$off, $m; |
| 400 |
|
|
} |
| 401 |
|
|
} |
| 402 |
|
|
|
| 403 |
|
|
sub CvGV_name_or_bust { |
| 404 |
|
|
my $in = shift; |
| 405 |
|
|
return if $skipCvGV; # Backdoor to avoid problems if XS broken... |
| 406 |
|
|
$in = \&$in; # Hard reference... |
| 407 |
|
|
eval {require Devel::Peek; 1} or return; |
| 408 |
|
|
my $gv = Devel::Peek::CvGV($in) or return; |
| 409 |
|
|
*$gv{PACKAGE} . '::' . *$gv{NAME}; |
| 410 |
|
|
} |
| 411 |
|
|
|
| 412 |
|
|
sub dumpsub { |
| 413 |
|
|
my ($off,$sub) = @_; |
| 414 |
|
|
my $ini = $sub; |
| 415 |
|
|
my $s; |
| 416 |
|
|
$sub = $1 if $sub =~ /^\{\*(.*)\}$/; |
| 417 |
|
|
my $subref = defined $1 ? \&$sub : \&$ini; |
| 418 |
|
|
my $place = $DB::sub{$sub} || (($s = $subs{"$subref"}) && $DB::sub{$s}) |
| 419 |
|
|
|| (($s = CvGV_name_or_bust($subref)) && $DB::sub{$s}) |
| 420 |
|
|
|| ($subdump && ($s = findsubs("$subref")) && $DB::sub{$s}); |
| 421 |
|
|
$place = '???' unless defined $place; |
| 422 |
|
|
$s = $sub unless defined $s; |
| 423 |
|
|
print( (' ' x $off) . "&$s in $place\n" ); |
| 424 |
|
|
} |
| 425 |
|
|
|
| 426 |
|
|
sub findsubs { |
| 427 |
|
|
return undef unless %DB::sub; |
| 428 |
|
|
my ($addr, $name, $loc); |
| 429 |
|
|
while (($name, $loc) = each %DB::sub) { |
| 430 |
|
|
$addr = \&$name; |
| 431 |
|
|
$subs{"$addr"} = $name; |
| 432 |
|
|
} |
| 433 |
|
|
$subdump = 0; |
| 434 |
|
|
$subs{ shift() }; |
| 435 |
|
|
} |
| 436 |
|
|
|
| 437 |
|
|
sub main::dumpvar { |
| 438 |
|
|
my ($package,$m,@vars) = @_; |
| 439 |
|
|
local(%address,$key,$val,$^W); |
| 440 |
|
|
$package .= "::" unless $package =~ /::$/; |
| 441 |
|
|
*stab = *{"main::"}; |
| 442 |
|
|
while ($package =~ /(\w+?::)/g){ |
| 443 |
|
|
*stab = $ {stab}{$1}; |
| 444 |
|
|
} |
| 445 |
|
|
local $TotalStrings = 0; |
| 446 |
|
|
local $Strings = 0; |
| 447 |
|
|
local $CompleteTotal = 0; |
| 448 |
|
|
while (($key,$val) = each(%stab)) { |
| 449 |
|
|
return if $DB::signal; |
| 450 |
|
|
next if @vars && !grep( matchvar($key, $_), @vars ); |
| 451 |
|
|
if ($usageOnly) { |
| 452 |
|
|
globUsage(\$val, $key) |
| 453 |
|
|
if ($package ne 'dumpvar' or $key ne 'stab') |
| 454 |
|
|
and ref(\$val) eq 'GLOB'; |
| 455 |
|
|
} else { |
| 456 |
|
|
dumpglob(0,$key, $val, 0, $m); |
| 457 |
|
|
} |
| 458 |
|
|
} |
| 459 |
|
|
if ($usageOnly) { |
| 460 |
|
|
print "String space: $TotalStrings bytes in $Strings strings.\n"; |
| 461 |
|
|
$CompleteTotal += $TotalStrings; |
| 462 |
|
|
print "Grand total = $CompleteTotal bytes (1 level deep) + overhead.\n"; |
| 463 |
|
|
} |
| 464 |
|
|
} |
| 465 |
|
|
|
| 466 |
|
|
sub scalarUsage { |
| 467 |
|
|
my $size = length($_[0]); |
| 468 |
|
|
$TotalStrings += $size; |
| 469 |
|
|
$Strings++; |
| 470 |
|
|
$size; |
| 471 |
|
|
} |
| 472 |
|
|
|
| 473 |
|
|
sub arrayUsage { # array ref, name |
| 474 |
|
|
my $size = 0; |
| 475 |
|
|
map {$size += scalarUsage($_)} @{$_[0]}; |
| 476 |
|
|
my $len = @{$_[0]}; |
| 477 |
|
|
print "\@$_[1] = $len item", ($len > 1 ? "s" : ""), |
| 478 |
|
|
" (data: $size bytes)\n" |
| 479 |
|
|
if defined $_[1]; |
| 480 |
|
|
$CompleteTotal += $size; |
| 481 |
|
|
$size; |
| 482 |
|
|
} |
| 483 |
|
|
|
| 484 |
|
|
sub hashUsage { # hash ref, name |
| 485 |
|
|
my @keys = keys %{$_[0]}; |
| 486 |
|
|
my @values = values %{$_[0]}; |
| 487 |
|
|
my $keys = arrayUsage \@keys; |
| 488 |
|
|
my $values = arrayUsage \@values; |
| 489 |
|
|
my $len = @keys; |
| 490 |
|
|
my $total = $keys + $values; |
| 491 |
|
|
print "\%$_[1] = $len item", ($len > 1 ? "s" : ""), |
| 492 |
|
|
" (keys: $keys; values: $values; total: $total bytes)\n" |
| 493 |
|
|
if defined $_[1]; |
| 494 |
|
|
$total; |
| 495 |
|
|
} |
| 496 |
|
|
|
| 497 |
|
|
sub globUsage { # glob ref, name |
| 498 |
|
|
local *name = *{$_[0]}; |
| 499 |
|
|
$total = 0; |
| 500 |
|
|
$total += scalarUsage $name if defined $name; |
| 501 |
|
|
$total += arrayUsage \@name, $_[1] if @name; |
| 502 |
|
|
$total += hashUsage \%name, $_[1] if %name and $_[1] ne "main::" |
| 503 |
|
|
and $_[1] ne "DB::"; #and !($package eq "dumpvar" and $key eq "stab")); |
| 504 |
|
|
$total; |
| 505 |
|
|
} |
| 506 |
|
|
|
| 507 |
|
|
sub packageUsage { |
| 508 |
|
|
my ($package,@vars) = @_; |
| 509 |
|
|
$package .= "::" unless $package =~ /::$/; |
| 510 |
|
|
local *stab = *{"main::"}; |
| 511 |
|
|
while ($package =~ /(\w+?::)/g){ |
| 512 |
|
|
*stab = $ {stab}{$1}; |
| 513 |
|
|
} |
| 514 |
|
|
local $TotalStrings = 0; |
| 515 |
|
|
local $CompleteTotal = 0; |
| 516 |
|
|
my ($key,$val); |
| 517 |
|
|
while (($key,$val) = each(%stab)) { |
| 518 |
|
|
next if @vars && !grep($key eq $_,@vars); |
| 519 |
|
|
globUsage \$val, $key unless $package eq 'dumpvar' and $key eq 'stab'; |
| 520 |
|
|
} |
| 521 |
|
|
print "String space: $TotalStrings.\n"; |
| 522 |
|
|
$CompleteTotal += $TotalStrings; |
| 523 |
|
|
print "\nGrand total = $CompleteTotal bytes\n"; |
| 524 |
|
|
} |
| 525 |
|
|
|
| 526 |
|
|
1; |
| 527 |
|
|
|
