# Debugger for Perl 5.00x; perl5db.pl patch level:
-$VERSION = 1.0403;
+$VERSION = 1.06;
$header = "perl5db.pl version $VERSION";
# Enhanced by ilya@math.ohio-state.edu (Ilya Zakharevich)
# LineInfo - file or pipe to print line number info to. If it is a
# pipe, a short "emacs like" message is used.
#
+# RemotePort - host:port to connect to on remote host for remote debugging.
+#
# Example $rcfile: (delete leading hashes!)
#
# &parse_options("NonStop=1 LineInfo=db.out");
TTY noTTY ReadLine NonStop LineInfo maxTraceLen
recallCommand ShellBang pager tkRunning ornaments
signalLevel warnLevel dieLevel inhibit_exit
- ImmediateStop bareStringify);
+ ImmediateStop bareStringify
+ RemotePort);
%optionVars = (
hashDepth => \$dumpvar::hashDepth,
inhibit_exit => \$inhibit_exit,
maxTraceLen => \$maxtrace,
ImmediateStop => \$ImmediateStop,
+ RemotePort => \$remoteport,
);
%optionAction = (
dieLevel => \&dieLevel,
tkRunning => \&tkRunning,
ornaments => \&ornaments,
+ RemotePort => \&RemotePort,
);
%optionRequire = (
#require Term::ReadLine;
- if ($^O =~ /cygwin/) {
+ if ($^O eq 'cygwin') {
# /dev/tty is binary. use stdin for textmode
undef $console;
} elsif (-e "/dev/tty") {
$console = $tty if defined $tty;
- if (defined $console) {
- open(IN,"+<$console") || open(IN,"<$console") || open(IN,"<&STDIN");
- open(OUT,"+>$console") || open(OUT,">$console") || open(OUT,">&STDERR")
- || open(OUT,">&STDOUT"); # so we don't dongle stdout
- } else {
- open(IN,"<&STDIN");
- open(OUT,">&STDERR") || open(OUT,">&STDOUT"); # so we don't dongle stdout
- $console = 'STDIN/OUT';
+ if (defined $remoteport) {
+ require IO::Socket;
+ $OUT = new IO::Socket::INET( Timeout => '10',
+ PeerAddr => $remoteport,
+ Proto => 'tcp',
+ );
+ if (!$OUT) { die "Could not create socket to connect to remote host."; }
+ $IN = $OUT;
}
- # so open("|more") can read from STDOUT and so we don't dingle stdin
- $IN = \*IN;
+ else {
+ if (defined $console) {
+ open(IN,"+<$console") || open(IN,"<$console") || open(IN,"<&STDIN");
+ open(OUT,"+>$console") || open(OUT,">$console") || open(OUT,">&STDERR")
+ || open(OUT,">&STDOUT"); # so we don't dongle stdout
+ } else {
+ open(IN,"<&STDIN");
+ open(OUT,">&STDERR") || open(OUT,">&STDOUT"); # so we don't dongle stdout
+ $console = 'STDIN/OUT';
+ }
+ # so open("|more") can read from STDOUT and so we don't dingle stdin
+ $IN = \*IN;
- $OUT = \*OUT;
+ $OUT = \*OUT;
+ }
select($OUT);
$| = 1; # for DB::OUT
select(STDOUT);
B<h q>, B<h R> or B<h O> to get additional info.
EOP
$package = 'main';
- $usercontext = '($@, $!, $,, $/, $\, $^W) = @saved;' .
+ $usercontext = '($@, $!, $^E, $,, $/, $\, $^W) = @saved;' .
"package $package;"; # this won't let them modify, alas
} else {
$sub =~ s/\'/::/;
}
next CMD; };
$cmd =~ /^t$/ && do {
- ($trace & 1) ? ($trace &= ~1) : ($trace |= 1);
+ $trace ^= 1;
print $OUT "Trace = " .
(($trace & 1) ? "on" : "off" ) . "\n";
next CMD; };
}
};
$cmd =~ s/^l\s+-\s*$/-/;
- $cmd =~ /^l\b\s*([\':A-Za-z_][\':\w]*)/ && do {
+ $cmd =~ /^([lb])\b\s*(\$.*)/s && do {
+ $evalarg = $2;
+ my ($s) = &eval;
+ print($OUT "Error: $@\n"), next CMD if $@;
+ $s = CvGV_name($s);
+ print($OUT "Interpreted as: $1 $s\n");
+ $cmd = "$1 $s";
+ };
+ $cmd =~ /^l\b\s*([\':A-Za-z_][\':\w]*(\[.*\])?)/s && do {
$subname = $1;
$subname =~ s/\'/::/;
$subname = $package."::".$subname
unless $subname =~ /::/;
$subname = "main".$subname if substr($subname,0,2) eq "::";
- @pieces = split(/:/,find_sub($subname));
+ @pieces = split(/:/,find_sub($subname) || $sub{$subname});
$subrange = pop @pieces;
$file = join(':', @pieces);
if ($file ne $filename) {
+ print $OUT "Switching to file '$file'.\n"
+ unless $emacs;
*dbline = $main::{'_<' . $file};
$max = $#dbline;
$filename = $file;
}
}
}
+
+ if (not $had_breakpoints{$file} &= ~1) {
+ delete $had_breakpoints{$file};
+ }
}
undef %postponed;
undef %postponed_file;
undef %break_on_load;
- undef %had_breakpoints;
next CMD; };
$cmd =~ /^L$/ && do {
my $file;
$break_on_load{$::INC{$file}} = 1 if $::INC{$file};
$file .= '.pm', redo unless $file =~ /\./;
}
- $had_breakpoints{$file} = 1;
+ $had_breakpoints{$file} |= 1;
print $OUT "Will stop on load of `@{[join '\', `', sort keys %break_on_load]}'.\n";
next CMD; };
$cmd =~ /^b\b\s*(postpone|compile)\b\s*([':A-Za-z_][':\w]*)\s*(.*)/ && do {
$postponed{$subname} = $break
? "break +0 if $cond" : "compile";
next CMD; };
- $cmd =~ /^b\b\s*([':A-Za-z_][':\w]*)\s*(.*)/ && do {
+ $cmd =~ /^b\b\s*([':A-Za-z_][':\w]*(?:\[.*\])?)\s*(.*)/ && do {
$subname = $1;
$cond = $2 || '1';
$subname =~ s/\'/::/;
($file,$i) = (find_sub($subname) =~ /^(.*):(.*)$/);
$i += 0;
if ($i) {
- $filename = $file;
- *dbline = $main::{'_<' . $filename};
- $had_breakpoints{$filename} = 1;
+ local $filename = $file;
+ local *dbline = $main::{'_<' . $filename};
+ $had_breakpoints{$filename} |= 1;
$max = $#dbline;
++$i while $dbline[$i] == 0 && $i < $max;
$dbline{$i} =~ s/^[^\0]*/$cond/;
}
next CMD; };
$cmd =~ /^b\b\s*(\d*)\s*(.*)/ && do {
- $i = ($1?$1:$line);
+ $i = $1 || $line;
$cond = $2 || '1';
if ($dbline[$i] == 0) {
print $OUT "Line $i not breakable.\n";
} else {
- $had_breakpoints{$filename} = 1;
+ $had_breakpoints{$filename} |= 1;
$dbline{$i} =~ s/^[^\0]*/$cond/;
}
next CMD; };
- $cmd =~ /^d\b\s*(\d+)?/ && do {
- $i = ($1?$1:$line);
+ $cmd =~ /^d\b\s*(\d*)/ && do {
+ $i = $1 || $line;
$dbline{$i} =~ s/^[^\0]*//;
delete $dbline{$i} if $dbline{$i} eq '';
next CMD; };
$cmd =~ /^A$/ && do {
+ print $OUT "Deleting all actions...\n";
my $file;
for $file (keys %had_breakpoints) {
local *dbline = $main::{'_<' . $file};
delete $dbline{$i} if $dbline{$i} eq '';
}
}
+
+ if (not $had_breakpoints{$file} &= ~2) {
+ delete $had_breakpoints{$file};
+ }
}
next CMD; };
$cmd =~ /^O\s*$/ && do {
$pretype = [], next CMD unless $1;
$pretype = [$1];
next CMD; };
- $cmd =~ /^a\b\s*(\d+)(\s+(.*))?/ && do {
- $i = $1; $j = $3;
- if ($dbline[$i] == 0) {
- print $OUT "Line $i may not have an action.\n";
+ $cmd =~ /^a\b\s*(\d*)\s*(.*)/ && do {
+ $i = $1 || $line; $j = $2;
+ if (length $j) {
+ if ($dbline[$i] == 0) {
+ print $OUT "Line $i may not have an action.\n";
+ } else {
+ $had_breakpoints{$filename} |= 2;
+ $dbline{$i} =~ s/\0[^\0]*//;
+ $dbline{$i} .= "\0" . action($j);
+ }
} else {
$dbline{$i} =~ s/\0[^\0]*//;
- $dbline{$i} .= "\0" . action($j);
+ delete $dbline{$i} if $dbline{$i} eq '';
}
next CMD; };
$cmd =~ /^n$/ && do {
$cmd =~ /^c\b\s*([\w:]*)\s*$/ && do {
end_report(), next CMD if $finished and $level <= 1;
$subname = $i = $1;
+ # Probably not needed, since we finish an interactive
+ # sub-session anyway...
+ # local $filename = $filename;
+ # local *dbline = *dbline; # XXX Would this work?!
if ($i =~ /\D/) { # subroutine name
$subname = $package."::".$subname
unless $subname =~ /::/;
if ($i) {
$filename = $file;
*dbline = $main::{'_<' . $filename};
- $had_breakpoints{$filename}++;
+ $had_breakpoints{$filename} |= 1;
$max = $#dbline;
++$i while $dbline[$i] == 0 && $i < $max;
} else {
next CMD; };
$cmd =~ /^$rc+\s*(-)?(\d+)?$/ && do {
pop(@hist) if length($cmd) > 1;
- $i = $1 ? ($#hist-($2?$2:1)) : ($2?$2:$#hist);
+ $i = $1 ? ($#hist-($2||1)) : ($2||$#hist);
$cmd = $hist[$i];
print $OUT $cmd, "\n";
redo CMD; };
# The following takes its argument via $evalarg to preserve current @_
sub eval {
- my @res;
+ local @res; # 'my' would make it visible from user code
{
- my $otrace = $trace;
- my $osingle = $single;
- my $od = $^D;
+ local $otrace = $trace;
+ local $osingle = $single;
+ local $od = $^D;
@res = eval "$usercontext $evalarg;\n"; # '\n' for nice recursive debug
$trace = $otrace;
$single = $osingle;
$i += $offset;
local *dbline = $main::{'_<' . $file};
local $^W = 0; # != 0 is magical below
- $had_breakpoints{$file}++;
+ $had_breakpoints{$file} |= 1;
my $max = $#dbline;
++$i until $dbline[$i] != 0 or $i >= $max;
$dbline{$i} = delete $postponed{$subname};
if $break_on_load{$filename};
print $LINEINFO ' ' x $stack_depth, "Package $filename.\n" if $frame;
return unless $postponed_file{$filename};
- $had_breakpoints{$filename}++;
+ $had_breakpoints{$filename} |= 1;
#%dbline = %{$postponed_file{$filename}}; # Cannot be done: unsufficient magic
my $key;
for $key (keys %{$postponed_file{$filename}}) {
}
local $frame = 0;
local $doret = -2;
- $term->readline(@_);
+ if (ref $OUT and UNIVERSAL::isa($OUT, 'IO::Socket::INET')) {
+ print $OUT @_;
+ my $stuff;
+ $IN->recv( $stuff, 2048 );
+ $stuff;
+ }
+ else {
+ $term->readline(@_);
+ }
}
sub dump_option {
$rl;
}
+sub RemotePort {
+ if ($term) {
+ &warn("Too late to set RemotePort, enabled on next 'R'!\n") if @_;
+ }
+ $remoteport = shift if @_;
+ $remoteport;
+}
+
sub tkRunning {
if ($ {$term->Features}{tkRunning}) {
return $term->tkRunning(@_);
B<l> I<min>B<->I<max> List lines I<min> through I<max>.
B<l> I<line> List single I<line>.
B<l> I<subname> List first window of lines from subroutine.
+B<l> I<\$var> List first window of lines from subroutine referenced by I<\$var>.
B<l> List next window of lines.
B<-> List previous window of lines.
B<w> [I<line>] List window around I<line>.
B<.> Return to the executed line.
-B<f> I<filename> Switch to viewing I<filename>. Must be loaded.
+B<f> I<filename> Switch to viewing I<filename>. File must be already loaded.
+ I<filename> may be either the full name of the file, or a regular
+ expression matching the full file name:
+ B<f> I</home/me/foo.pl> and B<f> I<oo\\.> may access the same file.
+ Evals (with saved bodies) are considered to be filenames:
+ B<f> I<(eval 7)> and B<f> I<eval 7\\b> access the body of the 7th eval
+ (in the order of execution).
B</>I<pattern>B</> Search forwards for I<pattern>; final B</> is optional.
B<?>I<pattern>B<?> Search backwards for I<pattern>; final B<?> is optional.
B<L> List all breakpoints and actions.
I<condition> breaks if it evaluates to true, defaults to '1'.
B<b> I<subname> [I<condition>]
Set breakpoint at first line of subroutine.
+B<b> I<\$var> Set breakpoint at first line of subroutine referenced by I<\$var>.
B<b> B<load> I<filename> Set breakpoint on `require'ing the given file.
B<b> B<postpone> I<subname> [I<condition>]
Set breakpoint at first line of subroutine after
B<d> [I<line>] Delete the breakpoint for I<line>.
B<D> Delete all breakpoints.
B<a> [I<line>] I<command>
- Set an action to be done before the I<line> is executed.
+ Set an action to be done before the I<line> is executed;
+ I<line> defaults to the current execution line.
Sequence is: check for breakpoint/watchpoint, print line
if necessary, do action, prompt user if necessary,
- execute expression.
+ execute line.
+B<a> [I<line>] Delete the action for I<line>.
B<A> Delete all actions.
B<W> I<expr> Add a global watch-expression.
B<W> Delete all watch-expressions.
I<signalLevel> I<warnLevel> I<dieLevel>: level of verbosity;
I<inhibit_exit> Allows stepping off the end of the script.
I<ImmediateStop> Debugger should stop as early as possible.
+ I<RemotePort>: Remote hostname:port for remote debugging
The following options affect what happens with B<V>, B<X>, and B<x> commands:
I<arrayDepth>, I<hashDepth>: print only first N elements ('' for all);
I<compactDump>, I<veryCompact>: change style of array and hash dump;
I<globPrint>: whether to print contents of globs;
I<DumpDBFiles>: dump arrays holding debugged files;
I<DumpPackages>: dump symbol tables of packages;
- I<DumpReused>: dump contents of \"reused\" addresses;
+ I<DumpReused>: dump contents of \"reused\" addresses;
I<quote>, I<HighBit>, I<undefPrint>: change style of string dump;
I<bareStringify>: Do not print the overload-stringified value;
Option I<PrintRet> affects printing of return value after B<r> command,
I<ornaments> affects screen appearance of the command line.
During startup options are initialized from \$ENV{PERLDB_OPTS}.
You can put additional initialization options I<TTY>, I<noTTY>,
- I<ReadLine>, and I<NonStop> there (or use `B<R>' after you set them).
+ I<ReadLine>, I<NonStop>, and I<RemotePort> there (or use
+ `B<R>' after you set them).
B<<> I<expr> Define Perl command to run before each prompt.
B<<<> I<expr> Add to the list of Perl commands to run before each prompt.
B<>> I<expr> Define Perl command to run after each prompt.
-B<>>B<>> I<expr> Add to the list of Perl commands to run after each prompt.
+B<>>B<>> I<expr> Add to the list of Perl commands to run after each prompt.
B<{> I<db_command> Define debugger command to run before each prompt.
B<{{> I<db_command> Add to the list of debugger commands to run before each prompt.
B<$prc> I<number> Redo a previous command (default previous command).
$signalLevel;
}
+sub CvGV_name {
+ my $in = shift;
+ my $name = CvGV_name_or_bust($in);
+ defined $name ? $name : $in;
+}
+
+sub CvGV_name_or_bust {
+ my $in = shift;
+ return if $skipCvGV; # Backdoor to avoid problems if XS broken...
+ $in = \&$in; # Hard reference...
+ eval {require Devel::Peek; 1} or return;
+ my $gv = Devel::Peek::CvGV($in) or return;
+ *$gv{PACKAGE} . '::' . *$gv{NAME};
+}
+
sub find_sub {
my $subr = shift;
- return unless defined &$subr;
$sub{$subr} or do {
+ return unless defined &$subr;
+ my $name = CvGV_name_or_bust($subr);
+ my $data;
+ $data = $sub{$name} if defined $name;
+ return $data if defined $data;
+
+ # Old stupid way...
$subr = \&$subr; # Hard reference
my $s;
for (keys %sub) {
projects / p5sagit/p5-mst-13.2.git / blobdiff