NAME

   Sub::Info - Tool for inspecting subroutines.

DESCRIPTION

   Tool to inspect subroutines.

EXPORTS

   All exports are optional, you must specify subs to import.

   my $hr = sub_info(\&code)

   my $hr = sub_info(\&code, @line_numbers)

     This returns a hashref with information about the sub:

         {
             ref        => \&code,
             cobj       => $cobj,
             name       => "Some::Mod::code",
             file       => "Some/Mod.pm",
             package    => "Some::Mod",

             # Note: These have been adjusted based on guesswork.
             start_line => 22,
             end_line   => 42,
             lines      => [22, 42],

             # Not a bug, these lines are different!
             all_lines  => [23, 25, ..., 39, 41],
         };

     $info->{ref} => \&code

       This is the original sub passed to sub_info().

     $info->{cobj} => $cobj

       This is the c-object representation of the coderef.

     $info->{name} => "Some::Mod::code"

       This is the name of the coderef. For anonymous coderefs this may
       end with '__ANON__'. Also note that the package 'main' is special,
       and 'main::' may be omitted.

     $info->{file} => "Some/Mod.pm"

       The file in which the sub was defined.

     $info->{package} => "Some::Mod"

       The package in which the sub was defined.

     $info->{start_line} => 22

     $info->{end_line} => 42

     $info->{lines} => [22, 42]

       These three fields are the adjusted start line, end line, and array
       with both. It is important to note that these lines have been
       adjusted and may not be accurate.

       The lines are obtained by walking the ops. As such, the first line
       is the line of the first statement, and the last line is the line
       of the last statement. This means that in multi-line subs the lines
       are usually off by 1. The lines in these keys will be adjusted for
       you if it detects a multi-line sub.

     $info->{all_lines} => [23, 25, ..., 39, 41]

       This is an array with the lines of every statement in the sub.
       Unlike the other line fields, these have not been adjusted for you.

SOURCE

   The source code repository for Sub-Info can be found at
   http://github.com/exodist/Sub-Info/.

MAINTAINERS

   Chad Granum <[email protected]>

AUTHORS

   Chad Granum <[email protected]>

   Kent Fredric <[email protected]>

COPYRIGHT

   Copyright 2016 Chad Granum <[email protected]>.

   This program is free software; you can redistribute it and/or modify it
   under the same terms as Perl itself.

   See http://dev.perl.org/licenses/

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