יובל קוג'מן (Yuval Kogman) > Devel-Events-0.08 > Devel::Events::Generator::LineTrace

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NAME ^

Devel::Events::Generator::LineTrace - generate executing_line events using the perl debugger api.

SYNOPSIS ^

        my $g = Devel::Events::Generator::LineTrace->new( handler => $h );

        $g->enable();

        # every line of code will fire an event until

        $g->disable();

DESCRIPTION ^

This Devel::Events generator will fire line tracing events using DB::DB, a perl debugger hook.

Only one instance may be enabled at a given time. Use Devel::Events::Handler::Multiplex to deliver events to multiple handlers.

EVENTS ^

executing_line

When the generator is enabled, this event will fire for every line of code just before it is executed.

Lines in a package starting with Devel::Events:: will not be reported.

package

The package the line is in.

file

The file of the line being executed.

line

The line number of the line being executed.

METHODS ^

enable

Enable this generator instance, disabling any other instance of Devel::Events::Generator::LineTrace.

disable

Stop firing events.

line

Called by DB::DB. Used to generate the event.

CAVEATS ^

Apparently this must be run under perl -d. This is very strange, since Devel::Events::Generator::SubTrace doesn't need the -d flag set.

The Enbugger module can help overcome this limitation.

SEE ALSO ^

perldebguts, Devel::LineTrace, DB, Devel::ebug, perl5db.pl

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