package LXDebug;
-use constant NONE => 0;
-use constant INFO => 1;
-use constant DEBUG1 => 2;
-use constant DEBUG2 => 4;
-use constant QUERY => 8;
-use constant TRACE => 16;
-use constant ALL => 31;
+use constant NONE => 0;
+use constant INFO => 1;
+use constant DEBUG1 => 1 << 1;
+use constant DEBUG2 => 1 << 2;
+use constant QUERY => 1 << 3;
+use constant TRACE => 1 << 4;
+use constant BACKTRACE_ON_ERROR => 1 << 5;
+use constant ALL => (1 << 6) - 1;
+use constant DEVEL => INFO | QUERY | TRACE | BACKTRACE_ON_ERROR;
use constant FILE_TARGET => 0;
use constant STDERR_TARGET => 1;
use POSIX qw(strftime);
+use YAML;
+
my $data_dumper_available;
+our $global_level;
+our $watch_form;
+
BEGIN {
eval("use Data::Dumper");
$data_dumper_available = $@ ? 0 : 1;
$global_level = NONE;
+ $watch_form = 0;
}
sub new {
return 1;
}
+sub show_backtrace {
+ my ($self, $force) = @_;
+
+ return 1 unless ($force || ($global_level & BACKTRACE_ON_ERROR));
+
+ $self->message(BACKTRACE_ON_ERROR, "Starting full caller dump:");
+ my $level = 0;
+ while (my ($dummy, $filename, $line, $subroutine) = caller $level) {
+ $self->message(BACKTRACE_ON_ERROR, " ${subroutine} from ${filename}:${line}");
+ $level++;
+ }
+
+ return 1;
+}
+
sub message {
my ($self, $level, $message) = @_;
+
$self->_write(level2string($level), $message) if (($self->{"level"} | $global_level) & $level || !$level);
}
my ($self, $level, $name, $variable) = @_;
if ($data_dumper_available) {
- $self->message($level, "dumping ${name}:\n" . Dumper($variable));
+ my $password;
+ if ($variable && ('Form' eq ref $variable) && defined $variable->{password}) {
+ $password = $variable->{password};
+ $variable->{password} = 'X' x 8;
+ }
+
+ my $dumper = Data::Dumper->new([$variable]);
+ $dumper->Sortkeys(1);
+ $self->message($level, "dumping ${name}:\n" . $dumper->Dump());
+
+ $variable->{password} = $password if (defined $password);
+
+ # Data::Dumper does not reset the iterator belonging to this hash
+ # if 'Sortkeys' is true. Therefore clear the iterator manually.
+ # See "perldoc -f each".
+ if ($variable && (('HASH' eq ref $variable) || ('Form' eq ref $variable))) {
+ keys %{ $variable };
+ }
+
} else {
$self->message($level,
"dumping ${name}: Data::Dumper not available; "
}
}
+sub dump_yaml {
+ my ($self, $level, $name, $variable) = @_;
+
+ $self->message($level, "dumping ${name}:\n" . YAML::Dump($variable));
+}
+
+sub dump_sql_result {
+ my ($self, $level, $prefix, $results) = @_;
+
+ if (!$results || !scalar @{ $results }) {
+ $self->message($level, "Empty result set");
+ return;
+ }
+
+ my %column_lengths = map { $_, length $_ } keys %{ $results->[0] };
+
+ foreach my $row (@{ $results }) {
+ map { $column_lengths{$_} = length $row->{$_} if (length $row->{$_} > $column_lengths{$_}) } keys %{ $row };
+ }
+
+ my @sorted_names = sort keys %column_lengths;
+ my $format = join '|', map { '%' . $column_lengths{$_} . 's' } @sorted_names;
+
+ $prefix .= ' ' if $prefix;
+
+ $self->message($level, $prefix . sprintf($format, @sorted_names));
+ $self->message($level, $prefix . join('+', map { '-' x $column_lengths{$_} } @sorted_names));
+
+ foreach my $row (@{ $results }) {
+ $self->message($level, $prefix . sprintf($format, map { $row->{$_} } @sorted_names));
+ }
+ $self->message($level, $prefix . sprintf('(%d row%s)', scalar @{ $results }, scalar @{ $results } > 1 ? 's' : ''));
+}
+
sub enable_sub_tracing {
my ($self) = @_;
$self->{level} | TRACE;
print(FILE "${date}${message}\n");
close(FILE);
- } elsif (STDERR_TARGET == $self->{"target"}) {
+ } elsif (STDERR_TARGET == $self->{"target"}) {
print(STDERR "${date}${message}\n");
}
}
sub level2string {
# use $_[0] as a bit mask and return levelstrings separated by /
- join '/', qw(info debug1 debug2 query trace)[ grep { (reverse split //, sprintf "%05b", $_[0])[$_] } 0..4 ]
+ join '/', qw(info debug1 debug2 query trace error_call_trace)[ grep { (reverse split //, sprintf "%05b", $_[0])[$_] } 0..5 ]
}
1;