=over 12
+=item h
+
+Prints out a summary help message
+
=item h [command]
-Prints out a help message.
+Prints out a help message for the given debugger command.
+
+=item h h
-If you supply another debugger command as an argument to the C<h> command,
-it prints out the description for just that command. The special
-argument of C<h h> produces a more compact help listing, designed to fit
-together on one screen.
+The special argument of C<h h> produces the entire help page, which is quite long.
-If the output of the C<h> command (or any command, for that matter) scrolls
+If the output of the C<h h> command (or any command, for that matter) scrolls
past your screen, precede the command with a leading pipe symbol so
that it's run through your pager, as in
- DB> |h
+ DB> |h h
+
+You may change the pager which is used via C<o pager=...> command.
-You may change the pager which is used via C<O pager=...> command.
=item p expr
If the C<maxdepth> is included, it must be a numeral I<N>; the value is
dumped only I<N> levels deep, as if the C<dumpDepth> option had been
-deporarily set to I<N>.
+temporarily set to I<N>.
=item V [pkg [vars]]
Same as C<V currentpackage [vars]>.
+=item y [level [vars]]
+
+Display all (or some) lexical variables (mnemonic: C<mY> variables)
+in the current scope or I<level> scopes higher. You can limit the
+variables that you see with I<vars> which works exactly as it does
+for the C<V> and C<X> commands. Requires the C<PadWalker> module
+version 0.08 or higher; will warn if this isn't installed. Output
+is pretty-printed in the same style as for C<V> and the format is
+controlled by the same options.
+
=item T
Produce a stack backtrace. See below for details on its output.
List previous window of lines.
-=item w [line]
+=item v [line]
-List window (a few lines) around the current line.
+View a few lines of code around the current line.
=item .
Search backwards for pattern; final ? is optional.
The search is case-insensitive by default.
-=item L
+=item L [abw]
-List all breakpoints and actions.
+List (default all) actions, breakpoints and watch expressions
=item S [[!]regex]
Trace through execution of C<expr>.
See L<perldebguts/"Frame Listing Output Examples"> for examples.
+=item b
+
+Sets breakpoint on current line
+
=item b [line] [condition]
-Set a breakpoint before the given line. If I<line> is omitted, set a
-breakpoint on the line about to be executed. If a condition
+Set a breakpoint before the given line. If a condition
is specified, it's evaluated each time the statement is reached: a
breakpoint is taken only if the condition is true. Breakpoints may
only be set on lines that begin an executable statement. Conditions
Sets a breakpoint before the first statement executed after the specified
subroutine is compiled.
-=item d [line]
+=item B line
-Delete a breakpoint from the specified I<line>. If I<line> is omitted, deletes
-the breakpoint from the line about to be executed.
+Delete a breakpoint from the specified I<line>.
-=item D
+=item B *
Delete all installed breakpoints.
a 53 print "DB FOUND $foo\n"
-=item a [line]
+=item A line
-Delete an action from the specified line. If I<line> is omitted, delete
-the action on the line that is about to be executed.
+Delete an action from the specified line.
-=item A
+=item A *
Delete all installed actions.
-=item W expr
+=item w expr
Add a global watch-expression. We hope you know what one of these
-is, because they're supposed to be obvious. B<WARNING>: It is far
-too easy to destroy your watch expressions by accidentally omitting
-the I<expr>.
+is, because they're supposed to be obvious.
-=item W
+=item W expr
+
+Delete watch-expression
+
+=item W *
Delete all watch-expressions.
-=item O booloption ...
+=item o
+
+Display all options
+
+=item o booloption ...
Set each listed Boolean option to the value C<1>.
-=item O anyoption? ...
+=item o anyoption? ...
Print out the value of one or more options.
-=item O option=value ...
+=item o option=value ...
Set the value of one or more options. If the value has internal
-whitespace, it should be quoted. For example, you could set C<O
+whitespace, it should be quoted. For example, you could set C<o
pager="less -MQeicsNfr"> to call B<less> with those specific options.
You may use either single or double quotes, but if you do, you must
escape any embedded instances of same sort of quote you began with,
as well as any escaping any escapes that immediately precede that
quote but which are not meant to escape the quote itself. In other
words, you follow single-quoting rules irrespective of the quote;
-eg: C<O option='this isn\'t bad'> or C<O option="She said, \"Isn't
+eg: C<o option='this isn\'t bad'> or C<o option="She said, \"Isn't
it?\"">.
For historical reasons, the C<=value> is optional, but defaults to
=item ! pattern
Redo last command that started with pattern.
-See C<O recallCommand>, too.
+See C<o recallCommand>, too.
=item !! cmd
Run cmd in a subprocess (reads from DB::IN, writes to DB::OUT) See
-C<O shellBang>, also. Note that the user's current shell (well,
+C<o shellBang>, also. Note that the user's current shell (well,
their C<$ENV{SHELL}> variable) will be used, which can interfere
with proper interpretation of exit status or signal and coredump
information.
-=item @ file
+=item source file
-Read and execute debugger commands from I<file>. I<file> may itself contain
-C<@> commands.
+Read and execute debugger commands from I<file>.
+I<file> may itself contain C<source> commands.
=item H -number
expression. The expression may evaluated to a reference to a
blessed object, or to a package name.
+=item M
+
+Displays all loaded modules and their versions
+
+
=item man [manpage]
Despite its name, this calls your system's default documentation
=head2 Configurable Options
-The debugger has numerous options settable using the C<O> command,
+The debugger has numerous options settable using the C<o> command,
either interactively or from the environment or an rc file.
(./.perldb or ~/.perldb under Unix.)
The debugger probably contains enough configuration hooks that you
won't ever have to modify it yourself. You may change the behaviour
-of debugger from within the debugger using its C<O> command, from
+of debugger from within the debugger using its C<o> command, from
the command line via the C<PERLDB_OPTS> environment variable, and
from customization files.
projects / p5sagit/p5-mst-13.2.git / blobdiff