File Coverage

blib/lib/Carp/Patch/ExcludePackage.pm

Criterion	Covered	Total	%
statement	11	12	91.6
branch			n/a
condition			n/a
subroutine	4	5	80.0
pod	0	1	0.0
total	15	18	83.3

## no critic: TestingAndDebugging::RequireUseStrict
package Carp::Patch::ExcludePackage;

use 5.010001;
#use strict 'vars';
no warnings;

use Module::Patch;
use base qw(Module::Patch);

our $AUTHORITY = 'cpan:PERLANCAR'; # AUTHORITY
our $DATE = '2024-04-17'; # DATE
our $DIST = 'Carp-Patch-ExcludePackage'; # DIST
our $VERSION = '0.002'; # VERSION

our %config;

my $p_ret_backtrace = sub {
    my ( $i, @error ) = @_;
    my $mess;
    my $err = join '', @error;
    $i++;

    my $tid_msg = '';
    if ( defined &threads::tid ) {
        my $tid = threads->tid;
        $tid_msg = " thread $tid" if $tid;
    }

    my %i = Carp::caller_info($i);
    $mess = "$err at $i{file} line $i{line}$tid_msg";
    if( $. ) {
      # Use ${^LAST_FH} if available.
      if (LAST_FH) {
        if (${+LAST_FH}) {
            $mess .= sprintf ", <%s> %s %d",
                              *${+LAST_FH}{NAME},
                              ($/ eq "\n" ? "line" : "chunk"), $.
        }
      }
      else {
        local $@ = '';
        local $SIG{__DIE__};
        eval {
            CORE::die;
        };
        if($@ =~ /^Died at .*(, <.*?> (?:line|chunk) \d+).$/ ) {
            $mess .= $1;
        }
      }
    }
    $mess .= "\.\n";

    while ( my %i = Carp::caller_info( ++$i ) ) {
        if (defined $config{-exclude_pat} && $i{pack} =~ /$config{-exclude_pat}/) {
            $mess .= "Skipped stack trace level (package $i{pack} excluded by $config{-exclude_pat})\n" if $config{-show_excluded};
            next;
        }
        if (defined $config{-include_pat} && $i{pack} !~ /$config{-include_pat}/) {
            $mess .= "Skipped stack trace level (package $i{pack} not included by $config{-include_pat})\n" if $config{-show_excluded};
            next;
        }
        $mess .= "\t$i{sub_name} called at $i{file} line $i{line}$tid_msg\n";
    }

    return $mess;
};

sub patch_data {
    return {
        v => 3,
        config => {
            -exclude_pat => {
                schema => 're*',
            },
            -include_pat => {
                schema => 're*',
            },
            -show_excluded => {
                schema => 'bool*',
            },
        },
        patches => [
            {
                action      => 'replace',
                sub_name    => 'ret_backtrace',
                code        => $p_ret_backtrace,
            },
        ],
        -warn_target_loaded => 0,
   };
}

1;
# ABSTRACT: Exclude some packages from stack trace

__END__