BEGIN {eval 'use IO::Handle'}; # Needed for flush only? breaks under miniperl
# Debugger for Perl 5.00x; perl5db.pl patch level:
-$VERSION = 1.31;
+$VERSION = '1.33';
$header = "perl5db.pl version $VERSION";
# + Added macosx_get_fork_TTY support
# Changes: 1.30: Mar 06, 2007 Andreas Koenig <andk@cpan.org>
# + Added HistFile, HistSize
+# Changes: 1.31
+# + Remove support for assertions and -A
+# + stop NEXT::AUTOLOAD from emitting warnings under the debugger. RT #25053
+# + "update for Mac OS X 10.5" [finding the tty device]
+# + "What I needed to get the forked debugger to work" [on VMS]
+# + [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
)
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 $filename;
};
# Command-line + PERLLIB:
This gigantic subroutine is the heart of the debugger. Called before every
statement, its job is to determine if a breakpoint has been reached, and
stop if so; read commands from the user, parse them, and execute
-them, and hen send execution off to the next statement.
+them, and then send execution off to the next statement.
Note that the order in which the commands are processed is very important;
some commands earlier in the loop will actually alter the C<$cmd> variable
=cut
sub sub {
+ # Do not use a regex in this subroutine -> results in corrupted memory
+ # See: [perl #66110]
# lock ourselves under threads
lock($DBGR);
# sub's return value in (if needed), and an array to put the sub's
# return value in (if needed).
my ( $al, $ret, @ret ) = "";
- if ($sub =~ /^threads::new$/ && $ENV{PERL5DB_THREADED}) {
+ if ($sub eq 'threads::new' && $ENV{PERL5DB_THREADED}) {
print "creating new thread\n";
}
sub cmd_i {
my $cmd = shift;
my $line = shift;
- eval { require Class::ISA };
- if ($@) {
- &warn( $@ =~ /locate/
- ? "Class::ISA module not found - please install\n"
- : $@ );
- }
- else {
- ISA:
- foreach my $isa ( split( /\s+/, $line ) ) {
- $evalarg = $isa;
- ($isa) = &eval;
- no strict 'refs';
- print join(
- ', ',
- map { # snaffled unceremoniously from Class::ISA
- "$_"
- . (
- defined( ${"$_\::VERSION"} )
- ? ' ' . ${"$_\::VERSION"}
- : undef )
- } Class::ISA::self_and_super_path(ref($isa) || $isa)
- );
- print "\n";
- }
+ foreach my $isa ( split( /\s+/, $line ) ) {
+ $evalarg = $isa;
+ ($isa) = &eval;
+ no strict 'refs';
+ print join(
+ ', ',
+ map {
+ "$_"
+ . (
+ defined( ${"$_\::VERSION"} )
+ ? ' ' . ${"$_\::VERSION"}
+ : undef )
+ } @{mro::get_linear_isa(ref($isa) || $isa)}
+ );
+ print "\n";
}
} ## end sub cmd_i
# This is a package that is contributing the methods we're about to print.
my $prefix = shift;
my $prepend = $prefix ? "via $prefix: " : '';
+ my @to_print;
+
+ # Extract from all the symbols in this class.
+ while (my ($name, $glob) = each %{"${class}::"}) {
+ # references directly in the symbol table are Proxy Constant
+ # Subroutines, and are by their very nature defined
+ # Otherwise, check if the thing is a typeglob, and if it is, it decays
+ # to a subroutine reference, which can be tested by defined.
+ # $glob might also be the value -1 (from sub foo;)
+ # or (say) '$$' (from sub foo ($$);)
+ # \$glob will be SCALAR in both cases.
+ if ((ref $glob || ($glob && ref \$glob eq 'GLOB' && defined &$glob))
+ && !$seen{$name}++) {
+ push @to_print, "$prepend$name\n";
+ }
+ }
- my $name;
- for $name (
-
- # Keep if this is a defined subroutine in this class.
- grep { defined &{ ${"${class}::"}{$_} } }
-
- # Extract from all the symbols in this class.
- sort keys %{"${class}::"}
- )
{
-
- # If we printed this already, skip it.
- next if $seen{$name}++;
-
- # Print the new method name.
- local $\ = '';
- local $, = '';
- print $DB::OUT "$prepend$name\n";
- } ## end for $name (grep { defined...
+ local $\ = '';
+ local $, = '';
+ print $DB::OUT $_ foreach sort @to_print;
+ }
# If the $crawl_upward argument is false, just quit here.
return unless shift;
lexwarn
locale
lol
- machten
macos
macosx
- mint
modinstall
modlib
mod
os2
os390
os400
- othrtut
packtut
plan9
pod
=cut
if ( $text =~ /^[\$@%]/ ) { # symbols (in $package + packages in main)
-
=pod
=over 4
$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 %$lexicals;
+ }
+ }
+
=pod
=item *
=cut
- my @out = map "$prefix$_", grep /^\Q$text/,
+ push @out, map "$prefix$_", grep /^\Q$text/,
( grep /^_?[a-zA-Z]/, keys %$pack ),
( $pack eq '::' ? () : ( grep /::$/, keys %:: ) );
projects / p5sagit/p5-mst-13.2.git / blobdiff