limit the no of spots stored for a search

[spider.git] / perl / DXDebug.pm

diff --git a/perl/DXDebug.pm b/perl/DXDebug.pm
index ca5339a154c5080c3f6f5074e4321f5f3442b783..c195fe2de01763f0025e655ab615dcd26799fe8e 100644 (file)
--- a/perl/DXDebug.pm
+++ b/perl/DXDebug.pm
@@ -52,27 +52,29 @@ if (!defined $DB::VERSION) {
        local $^W=0;
        eval qq( sub confess { 
            \$SIG{__DIE__} = 'DEFAULT'; 
-        DXDebug::dbgprintring() unless DXDebug::isdbg('chan');
-        DXDebug::dbgclearring();
+        DXDebug::dbgprintring() if DXDebug::isdbg('nologchan');
         DXDebug::dbg(\$@);
                DXDebug::dbg(Carp::shortmess(\@_));
            exit(-1); 
        }
        sub croak { 
                \$SIG{__DIE__} = 'DEFAULT'; 
-        DXDebug::dbgprintring() unless DXDebug::isdbg('chan');
-        DXDebug::dbgclearring();
+        DXDebug::dbgprintring() if DXDebug::isdbg('nologchan');
         DXDebug::dbg(\$@);
                DXDebug::dbg(Carp::longmess(\@_));
                exit(-1); 
        }
-       sub carp    { DXDebug::dbg(Carp::shortmess(\@_)); }
-       sub cluck   { DXDebug::dbg(Carp::longmess(\@_)); } 
-       );
+       sub carp { 
+        DXDebug::dbgprintring(25) if DXDebug('nologchan');
+        DXDebug::dbg(Carp::shortmess(\@_)); 
+    }
+       sub cluck { 
+        DXDebug::dbgprintring(25) if DXDebug('nologchan');
+        DXDebug::dbg(Carp::longmess(\@_)); 
+    } );
 
     CORE::die(Carp::shortmess($@)) if $@;
-}
-else {
+} else {
     eval qq( sub confess { die Carp::longmess(\@_); }; 
                         sub croak { die Carp::shortmess(\@_); }; 
                         sub cluck { warn Carp::longmess(\@_); }; 
@@ -83,7 +85,7 @@ else {
 
 my $_isdbg;                                            # current dbg level we are processing
 
-sub dbg($)
+sub dbg
 {
        return unless $fp;
        my $t = time; 
@@ -91,10 +93,11 @@ sub dbg($)
                my $r = $_;
                chomp $r;
                my @l = split /\n/, $r;
-               for (@l) {
-                       s/([\x00-\x08\x0B-\x1f\x7f-\xff])/uc sprintf("%%%02x",ord($1))/eg;
-                       print "$_\n" if defined \*STDOUT && !$no_stdout;
-                       my $str = "$t^$_";
+               foreach my $l (@l) {
+                       $l =~ s/([\x00-\x08\x0B-\x1f\x7f-\xff])/sprintf("%%%02X",ord($1))/eg;
+                       print "$l\n" if defined \*STDOUT && !$no_stdout;
+                       my $tag = $_isdbg ? "($_isdbg) " : '(*) ';
+                       my $str = "$t^$tag$l";
                        &$callback($str) if $callback;
                        if ($dbgringlth) {
                                shift @dbgring while (@dbgring > $dbgringlth);
@@ -215,14 +218,18 @@ sub longmess
 sub dbgprintring
 {
        return unless $fp;
+       my $count = shift;
        my $first;
-       while (my $l = shift @dbgring) {
-               my ($t, $str) = split /\^/, $l, 2;
+       my $l;
+       my $i = defined $count ? @dbgring-$count : 0;
+       $count = @dbgring;
+       for ( ; $i < $count; ++$i) {
+               my ($t, $str) = split /\^/, $dbgring[$i], 2;
                next unless $t;
                my $lt = time;
                unless ($first) {
                        $fp->writeunix($lt, "$lt^###");
-                       $fp->writeunix($lt, "$lt^### RINGBUFFER START");
+                       $fp->writeunix($lt, "$lt^### RINGBUFFER START at line $i (zero base)");
                        $fp->writeunix($lt, "$lt^###");
                        $first = $t;
                }