-require 5.002; # For (defined ref)
+require 5.014; # For more reliable $@ after eval
package dumpvar;
# Needed for PrettyPrinter only:
local $^W=0;
(print "undef\n"), return unless defined $_[0];
(print &stringify($_[0]), "\n"), return unless ref $_[0];
- dumpvar::unwrap($_[0],0, $_[1]);
+ push @_, -1 if @_ == 1;
+ dumpvar::unwrap($_[0], 0, $_[1]);
}
# This one is good for variable names:
sub unctrl {
- local($_) = @_;
+ for (my($dummy) = shift) {
local($v) ;
return \$_ if ref \$_ eq "GLOB";
- s/([\001-\037\177])/'^'.pack('c',ord($1)^64)/eg;
- $_;
+ if (ord('A') == 193) { # EBCDIC.
+ # EBCDIC has no concept of "\cA" or "A" being related
+ # to each other by a linear/boolean mapping.
+ } else {
+ s/([\001-\037\177])/'^'.pack('c',ord($1)^64)/eg;
+ }
+ return $_;
+ }
}
sub uniescape {
}
sub stringify {
- local($_,$noticks) = @_;
+ my $string;
+ if (eval { $string = _stringify(@_); 1 }) {
+ return $string;
+ }
+
+ return "<< value could not be dumped: $@ >>";
+}
+
+sub _stringify {
+ (my $__, local $noticks) = @_;
+ for ($__) {
local($v) ;
my $tick = $tick;
and %overload:: and defined &{'overload::StrVal'};
if ($tick eq 'auto') {
- if (/[\000-\011\013-\037\177]/) {
- $tick = '"';
- }else {
- $tick = "'";
- }
+ if (ord('A') == 193) {
+ if (/[\000-\011]/ or /[\013-\024\31-\037\177]/) {
+ $tick = '"';
+ } else {
+ $tick = "'";
+ }
+ } else {
+ if (/[\000-\011\013-\037\177]/) {
+ $tick = '"';
+ } else {
+ $tick = "'";
+ }
+ }
}
if ($tick eq "'") {
s/([\'\\])/\\$1/g;
} elsif ($unctrl eq 'quote') {
s/([\"\\\$\@])/\\$1/g if $tick eq '"';
s/\033/\\e/g;
- s/([\000-\037\177])/'\\c'.chr(ord($1)^64)/eg;
+ if (ord('A') == 193) { # EBCDIC.
+ s/([\000-\037\177])/'\\c'.chr(193)/eg; # Unfinished.
+ } else {
+ s/([\000-\037\177])/'\\c'._escaped_ord($1)/eg;
+ }
}
$_ = uniescape($_);
s/([\200-\377])/'\\'.sprintf('%3o',ord($1))/eg if $quoteHighBit;
- ($noticks || /^\d+(\.\d*)?\Z/)
+ return ($noticks || /^\d+(\.\d*)?\Z/)
? $_
: $tick . $_ . $tick;
+ }
+}
+
+# Ensure a resulting \ is escaped to be \\
+sub _escaped_ord {
+ my $chr = shift;
+ $chr = chr(ord($chr)^64);
+ $chr =~ s{\\}{\\\\}g;
+ return $chr;
}
sub ShortArray {
join("' '", @{$v}[0..$tArrayDepth]) . "'$shortmore";
} else {
print "$short\n";
- unwrap($_[0],$_[1],$_[2]);
+ unwrap($_[0],$_[1],$_[2]) if ref $_[0];
}
}
$sp = " " x $s ;
$s += 3 ;
+ eval {
# 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]+)\)$/ ;
+ # Match type and address.
+ # Unblessed references will look like TYPE(0x...)
+ # Blessed references will look like Class=TYPE(0x...)
+ $val =~ s/^.*=//; # suppress the Class part, just keep TYPE(0x...)
+ ($item_type, $address) =
+ $val =~ /([^\(]+) # Keep stuff that's
+ # not an open paren
+ \( # Skip open paren
+ (0x[0-9a-f]+) # Save the address
+ \) # Skip close paren
+ $/x; # Should be at end now
+
if (!$dumpReused && defined $address) {
$address{$address}++ ;
if ( $address{$address} > 1 ) {
}
}
} elsif (ref \$v eq 'GLOB') {
+ # This is a raw glob. Special handling for that.
$address = "$v" . ""; # To avoid a bug with globs
$address{$address}++ ;
if ( $address{$address} > 1 ) {
}
if (ref $v eq 'Regexp') {
+ # Reformat the regexp to look the standard way.
my $re = "$v";
$re =~ s,/,\\/,g;
print "$sp-> qr/$re/\n";
return;
}
- if ( UNIVERSAL::isa($v, 'HASH') ) {
- @sortKeys = sort keys(%$v) ;
+ if ( $item_type eq 'HASH' ) {
+ # Hash ref or hash-based object.
+ my @sortKeys = sort keys(%$v) ;
undef $more ;
$tHashDepth = $#sortKeys ;
$tHashDepth = $#sortKeys < $hashDepth-1 ? $#sortKeys : $hashDepth-1
}
print "$sp empty hash\n" unless @sortKeys;
print "$sp$more" if defined $more ;
- } elsif ( UNIVERSAL::isa($v, 'ARRAY') ) {
+ } elsif ( $item_type eq 'ARRAY' ) {
+ # Array ref or array-based object. Also: undef.
+ # See how big the array is.
$tArrayDepth = $#{$v} ;
undef $more ;
+ # Bigger than the max?
$tArrayDepth = $#{$v} < $arrayDepth-1 ? $#{$v} : $arrayDepth-1
if defined $arrayDepth && $arrayDepth ne '';
+ # Yep. Don't show it all.
$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)
+ map {exists $v->[$_] ? stringify $v->[$_] : "empty"} (0..$tArrayDepth)
) . "$shortmore";
} else {
$short = $sp . "empty array";
# print "$short\n";
# return;
#}
- for $num ($[ .. $tArrayDepth) {
+ for $num (0 .. $tArrayDepth) {
return if $DB::signal;
print "$sp$num ";
if (exists $v->[$num]) {
- DumpElem $v->[$num], $s, $m-1;
+ if (defined $v->[$num]) {
+ DumpElem $v->[$num], $s, $m-1;
+ }
+ else {
+ print "undef\n";
+ }
} else {
print "empty slot\n";
}
}
print "$sp empty array\n" unless @$v;
print "$sp$more" if defined $more ;
- } elsif ( UNIVERSAL::isa($v, 'SCALAR') or ref $v eq 'REF' ) {
+ } elsif ( $item_type eq 'SCALAR' ) {
+ unless (defined $$v) {
+ print "$sp-> undef\n";
+ return;
+ }
print "$sp-> ";
DumpElem $$v, $s, $m-1;
- } elsif ( UNIVERSAL::isa($v, 'CODE') ) {
+ } elsif ( $item_type eq 'REF' ) {
+ print "$sp-> $$v\n";
+ return unless defined $$v;
+ unwrap($$v, $s+3, $m-1);
+ } elsif ( $item_type eq 'CODE' ) {
+ # Code object or reference.
print "$sp-> ";
dumpsub (0, $v);
- } elsif ( UNIVERSAL::isa($v, 'GLOB') ) {
+ } elsif ( $item_type eq 'GLOB' ) {
+ # Glob object or reference.
print "$sp-> ",&stringify($$v,1),"\n";
if ($globPrint) {
$s += 3;
dumpglob($s, "{$$v}", $$v, 1, $m-1);
- } elsif (defined ($fileno = fileno($v))) {
+ } elsif (defined ($fileno = eval {fileno($v)})) {
print( (' ' x ($s+3)) . "FileHandle({$$v}) => fileno($fileno)\n" );
}
} elsif (ref \$v eq 'GLOB') {
+ # Raw glob (again?)
if ($globPrint) {
dumpglob($s, "{$v}", $v, 1, $m-1) if $globPrint;
- } elsif (defined ($fileno = fileno(\$v))) {
+ } elsif (defined ($fileno = eval {fileno(\$v)})) {
print( (' ' x $s) . "FileHandle({$v}) => fileno($fileno)\n" );
}
}
+ };
+ if ($@) {
+ print( (' ' x $s) . "<< value could not be dumped: $@ >>\n");
+ }
+
+ return;
}
sub matchlex {
if ($in eq 'unctrl' or $in eq 'quote') {
$unctrl = $in;
} else {
- print "Unknown value for `unctrl'.\n";
+ print "Unknown value for 'unctrl'.\n";
}
}
$unctrl;
unwrap(\%entry,3+$off,$m) ;
print( (' ' x $off) . ")\n" );
}
- if (defined ($fileno = fileno(*entry))) {
+ if (defined ($fileno = eval{fileno(*entry)})) {
print( (' ' x $off) . "FileHandle($key) => fileno($fileno)\n" );
}
if ($all) {