X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fperl5db.pl;h=03ef2a2c6bf90a02a9e223d67e38099463de8990;hb=55ec0dff636c2a8ee5225314d7d46f928ab7f6da;hp=9162d162122c747f0ffebac3db1d8281a23c0b9b;hpb=cee202b7bebc105308f54a045a45bd424f971fde;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/lib/perl5db.pl b/lib/perl5db.pl
index 9162d16..03ef2a2 100644
--- a/lib/perl5db.pl
+++ b/lib/perl5db.pl
@@ -511,7 +511,7 @@ package DB;
 BEGIN {eval 'use IO::Handle'};	# Needed for flush only? breaks under miniperl
 
 # Debugger for Perl 5.00x; perl5db.pl patch level:
-$VERSION = 1.32;
+$VERSION = '1.33';
 
 $header = "perl5db.pl version $VERSION";
 
@@ -949,6 +949,9 @@ sub eval {
 #   + [perl #57016] debugger: o warn=0 die=0 ignored
 #   + Note, but don't use, PERLDBf_SAVESRC
 #   + Fix #7013: lvalue subs not working inside debugger
+# Changes: 1.32: Jun 03, 2009 Jonathan Leto <jonathan@leto.net>
+#   + Fix bug where a key _< with undefined value was put into the symbol table
+#   +   when the $filename variable is not set
 ########################################################################
 
 =head1 DEBUGGER INITIALIZATION
@@ -1053,8 +1056,9 @@ warn(               # Do not ;-)
   )
   if 0;
 
+# without threads, $filename is not defined until DB::DB is called
 foreach my $k (keys (%INC)) {
-	&share(\$main::{'_<'.$filename});
+	&share(\$main::{'_<'.$filename}) if defined $filename;
 };
 
 # Command-line + PERLLIB:
@@ -1846,7 +1850,7 @@ $I_m_init = 1;
 This gigantic subroutine is the heart of the debugger. Called before every
 statement, its job is to determine if a breakpoint has been reached, and
 stop if so; read commands from the user, parse them, and execute
-them, and hen send execution off to the next statement.
+them, and then send execution off to the next statement.
 
 Note that the order in which the commands are processed is very important;
 some commands earlier in the loop will actually alter the C<$cmd> variable
@@ -8610,7 +8614,6 @@ If there's only one hit, and it's a package qualifier, and it's not equal to the
 =cut
 
     if ( $text =~ /^[\$@%]/ ) {    # symbols (in $package + packages in main)
-
 =pod
 
 =over 4
@@ -8634,6 +8637,32 @@ We set the prefix to the item's sigil, and trim off the sigil to get the text to
         $prefix = substr $text, 0, 1;
         $text   = substr $text, 1;
 
+        my @out;
+
+=pod
+
+=item *
+
+We look for the lexical scope above DB::DB and auto-complete lexical variables
+if PadWalker could be loaded.
+
+=cut
+
+        if (not $text =~ /::/ and eval "require PadWalker; 1" and not $@ ) {
+            my $level = 1;
+            while (1) {
+                my @info = caller($level);
+                $level++;
+                $level = -1, last
+                  if not @info;
+                last if $info[3] eq 'DB::DB';
+            }
+            if ($level > 0) {
+                my $lexicals = PadWalker::peek_my($level);
+                push @out, grep /^\Q$prefix$text/, keys %$lexicals;
+            }
+        }
+
 =pod
 
 =item *
@@ -8642,7 +8671,7 @@ If the package is C<::> (C<main>), create an empty list; if it's something else,
 
 =cut
 
-        my @out = map "$prefix$_", grep /^\Q$text/,
+        push @out, map "$prefix$_", grep /^\Q$text/,
           ( grep /^_?[a-zA-Z]/, keys %$pack ),
           ( $pack eq '::' ? () : ( grep /::$/, keys %:: ) );