perldb.diff

早期freebsd实现

*** ../../../lib/perldb.pl	Mon Nov 11 10:40:22 1991
--- perldb.pl	Mon May 18 17:00:56 1992
***************
*** 1,10 ****
  package DB;
  
! # modified Perl debugger, to be run from Emacs in perldb-mode
! # Ray Lischner (uunet!mntgfx!lisch) as of 5 Nov 1990
! # Johan Vromans -- upgrade to 4.0 pl 10
! 
! $header = '$RCSfile: perldb.diff,v $$Revision: 4.0.1.1 $$Date: 92/06/08 11:50:28 $';
  #
  # This file is automatically included if you do perl -d.
  # It's probably not useful to include this yourself.
--- 1,6 ----
  package DB;
  
! $header = '$RCSfile: perldb.diff,v $$Revision: 4.0.1.1 $$Date: 92/06/08 11:50:28 $';
  #
  # This file is automatically included if you do perl -d.
  # It's probably not useful to include this yourself.
***************
*** 14,22 ****
  # have a breakpoint.  It also inserts a do 'perldb.pl' before the first line.
  #
  # $Log:	perldb.diff,v $
  # Revision 4.0.1.1  92/06/08  11:50:28  lwall
  # Initial revision
  # 
- # Revision 4.0.1.2  91/11/05  17:55:58  lwall
- # patch11: perldb.pl modified to run within emacs in perldb-mode
- # 
  # Revision 4.0.1.1  91/06/07  11:17:44  lwall
  # patch4: added $^P variable to control calling of perldb routines
  # patch4: debugger sometimes listed wrong number of lines for a statement
--- 10,15 ----
***************
*** 56,63 ****
  # 
  #
  
! open(IN, "</dev/tty") || open(IN,  "<&STDIN");	# so we don't dingle stdin
! open(OUT,">/dev/tty") || open(OUT, ">&STDOUT");	# so we don't dongle stdout
  select(OUT);
  $| = 1;				# for DB'OUT
  select(STDOUT);
--- 49,56 ----
  # 
  #
  
! open(IN, "</dev/console") || open(IN,  "<&STDIN");	# so we don't dingle stdin
! open(OUT,">/dev/console") || open(OUT, ">&STDOUT");	# so we don't dongle stdout
  select(OUT);
  $| = 1;				# for DB'OUT
  select(STDOUT);
***************
*** 64,79 ****
  $| = 1;				# for real STDOUT
  $sub = '';
  
- # Is Perl being run from Emacs?
- $emacs = $main'ARGV[$[] eq '-emacs';
- shift(@main'ARGV) if $emacs;
- 
  $header =~ s/.Header: ([^,]+),v(\s+\S+\s+\S+).*$/$1$2/;
! print OUT "\nLoading DB routines from $header\n";
! print OUT ("Emacs support ",
! 	   $emacs ? "enabled" : "available",
! 	   ".\n");
! print OUT "\nEnter h for help.\n\n";
  
  sub DB {
      &save;
--- 57,64 ----
  $| = 1;				# for real STDOUT
  $sub = '';
  
  $header =~ s/.Header: ([^,]+),v(\s+\S+\s+\S+).*$/$1$2/;
! print OUT "\nLoading DB routines from $header\n\nEnter h for help.\n\n";
  
  sub DB {
      &save;
***************
*** 93,107 ****
  	}
      }
      if ($single || $trace || $signal) {
! 	if ($emacs) {
! 	    print OUT "\032\032$filename:$line:0\n";
! 	} else {
! 	    print OUT "$package'" unless $sub =~ /'/;
! 	    print OUT "$sub($filename:$line):\t",$dbline[$line];
! 	    for ($i = $line + 1; $i <= $max && $dbline[$i] == 0; ++$i) {
! 		last if $dbline[$i] =~ /^\s*(}|#|\n)/;
! 		print OUT "$sub($filename:$i):\t",$dbline[$i];
! 	    }
  	}
      }
      $evalarg = $action, &eval if $action;
--- 78,88 ----
  	}
      }
      if ($single || $trace || $signal) {
! 	print OUT "$package'" unless $sub =~ /'/;
! 	print OUT "$sub($filename:$line):\t",$dbline[$line];
! 	for ($i = $line + 1; $i <= $max && $dbline[$i] == 0; ++$i) {
! 	    last if $dbline[$i] =~ /^\s*(;|}|#|\n)/;
! 	    print OUT "$sub($filename:$i):\t",$dbline[$i];
  	}
      }
      $evalarg = $action, &eval if $action;
***************
*** 263,276 ****
  		    $i = $2;
  		    $i = $line if $i eq '.';
  		    $i = 1 if $i < 1;
! 		    if ($emacs) {
! 			print OUT "\032\032$filename:$i:0\n";
! 			$i = $end;
! 		    } else {
! 			for (; $i <= $end; $i++) {
! 			    print OUT "$i:\t", $dbline[$i];
! 			    last if $signal;
! 			}
  		    }
  		    $start = $i;	# remember in case they want more
  		    $start = $max if $start > $max;
--- 244,252 ----
  		    $i = $2;
  		    $i = $line if $i eq '.';
  		    $i = 1 if $i < 1;
! 		    for (; $i <= $end; $i++) {
! 			print OUT "$i:\t", $dbline[$i];
! 			last if $signal;
  		    }
  		    $start = $i;	# remember in case they want more
  		    $start = $max if $start > $max;
***************
*** 417,427 ****
  			$start = 1 if ($start > $max);
  			last if ($start == $end);
  			if ($dbline[$start] =~ m'."\n$pat\n".'i) {
! 			    if ($emacs) {
! 				print OUT "\032\032$filename:$start:0\n";
! 			    } else {
! 				print OUT "$start:\t", $dbline[$start], "\n";
! 			    }
  			    last;
  			}
  		    } ';
--- 393,399 ----
  			$start = 1 if ($start > $max);
  			last if ($start == $end);
  			if ($dbline[$start] =~ m'."\n$pat\n".'i) {
! 			    print OUT "$start:\t", $dbline[$start], "\n";
  			    last;
  			}
  		    } ';
***************
*** 445,455 ****
  			$start = $max if ($start <= 0);
  			last if ($start == $end);
  			if ($dbline[$start] =~ m'."\n$pat\n".'i) {
! 			    if ($emacs) {
! 				print OUT "\032\032$filename:$start:0\n";
! 			    } else {
! 				print OUT "$start:\t", $dbline[$start], "\n";
! 			    }
  			    last;
  			}
  		    } ';
--- 417,423 ----
  			$start = $max if ($start <= 0);
  			last if ($start == $end);
  			if ($dbline[$start] =~ m'."\n$pat\n".'i) {
! 			    print OUT "$start:\t", $dbline[$start], "\n";
  			    last;
  			}
  		    } ';