mirror of
https://git.savannah.gnu.org/git/parallel.git
synced 2024-12-23 21:27:53 +00:00
52 lines
1.4 KiB
Perl
52 lines
1.4 KiB
Perl
|
package Carp;
|
||
|
|
|
||
|
|
our $VERSION = '1.11';
|
||
|
|
# this file is an utra-lightweight stub. The first time a function is
|
||
|
|
# called, Carp::Heavy is loaded, and the real short/longmessmess_jmp
|
||
|
|
# subs are installed
|
||
|
|
|
||
|
|
our $MaxEvalLen = 0;
|
||
|
|
our $Verbose = 0;
|
||
|
|
our $CarpLevel = 0;
|
||
|
|
our $MaxArgLen = 64; # How much of each argument to print. 0 = all.
|
||
|
|
our $MaxArgNums = 8; # How many arguments to print. 0 = all.
|
||
|
|
|
||
|
|
require Exporter;
|
||
|
|
our @ISA = ('Exporter');
|
||
|
|
our @EXPORT = qw(confess croak carp);
|
||
|
|
our @EXPORT_OK = qw(cluck verbose longmess shortmess);
|
||
|
|
our @EXPORT_FAIL = qw(verbose); # hook to enable verbose mode
|
||
|
|
|
||
|
|
# if the caller specifies verbose usage ("perl -MCarp=verbose script.pl")
|
||
|
|
# then the following method will be called by the Exporter which knows
|
||
|
|
# to do this thanks to @EXPORT_FAIL, above. $_[1] will contain the word
|
||
|
|
# 'verbose'.
|
||
|
|
|
||
|
|
sub export_fail { shift; $Verbose = shift if $_[0] eq 'verbose'; @_ }
|
||
|
|
|
||
|
|
# fixed hooks for stashes to point to
|
||
|
|
sub longmess { goto &longmess_jmp }
|
||
|
|
sub shortmess { goto &shortmess_jmp }
|
||
|
|
# these two are replaced when Carp::Heavy is loaded
|
||
|
|
sub longmess_jmp {
|
||
|
|
local($@, $!);
|
||
|
|
eval { require Carp::Heavy };
|
||
|
|
return $@ if $@;
|
||
|
|
goto &longmess_real;
|
||
|
|
}
|
||
|
|
sub shortmess_jmp {
|
||
|
|
local($@, $!);
|
||
|
|
eval { require Carp::Heavy };
|
||
|
|
return $@ if $@;
|
||
|
|
goto &shortmess_real;
|
||
|
|
}
|
||
|
|
|
||
|
|
sub croak { die shortmess @_ }
|
||
|
|
sub confess { die longmess @_ }
|
||
|
|
sub carp { warn shortmess @_ }
|
||
|
|
sub cluck { warn longmess @_ }
|
||
|
|
|
||
|
|
1;
|
||
|
|
__END__
|
||
|
|
|