X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/8a305e7f3b50520c11ce6e4840222f10e954c65e..042560a65fd56038b3116f30639cb99d98c48622:/lib/vars.pm diff --git a/lib/vars.pm b/lib/vars.pm index f6125fb..a0151b8 100644 --- a/lib/vars.pm +++ b/lib/vars.pm @@ -12,32 +12,34 @@ sub import { my ($pack, @imports) = @_; my ($sym, $ch); foreach (@imports) { - ($ch, $sym) = unpack('a1a*', $_); - if ($sym =~ tr/A-Za-z_0-9//c) { - # time for a more-detailed check-up - if ($sym =~ /^\w+[[{].*[]}]$/) { - require Carp; - Carp::croak("Can't declare individual elements of hash or array"); - } elsif (warnings::enabled() and length($sym) == 1 and $sym !~ tr/a-zA-Z//) { - warnings::warn("No need to declare built-in vars"); - } elsif ( $^H &= strict::bits('vars') && - # Either no 'use utf8' or if utf8, no non-word - ($^H & $utf8::hint_bits == 0 || - $sym =~ /\W/) ) { - Carp::croak("'$_' is not a valid variable name under strict vars"); + if (($ch, $sym) = /^([\$\@\%\*\&])(.+)/) { + if ($sym =~ /\W/) { + # time for a more-detailed check-up + if ($sym =~ /^\w+[[{].*[]}]$/) { + require Carp; + Carp::croak("Can't declare individual elements of hash or array"); + } elsif (warnings::enabled() and length($sym) == 1 and $sym !~ tr/a-zA-Z//) { + warnings::warn("No need to declare built-in vars"); + } elsif (($^H &= strict::bits('vars'))) { + require Carp; + Carp::croak("'$_' is not a valid variable name under strict vars"); + } } + $sym = "${callpack}::$sym" unless $sym =~ /::/; + *$sym = + ( $ch eq "\$" ? \$$sym + : $ch eq "\@" ? \@$sym + : $ch eq "\%" ? \%$sym + : $ch eq "\*" ? \*$sym + : $ch eq "\&" ? \&$sym + : do { + require Carp; + Carp::croak("'$_' is not a valid variable name"); + }); + } else { + require Carp; + Carp::croak("'$_' is not a valid variable name"); } - $sym = "${callpack}::$sym" unless $sym =~ /::/; - *$sym = - ( $ch eq "\$" ? \$$sym - : $ch eq "\@" ? \@$sym - : $ch eq "\%" ? \%$sym - : $ch eq "\*" ? \*$sym - : $ch eq "\&" ? \&$sym - : do { - require Carp; - Carp::croak("'$_' is not a valid variable name"); - }); } };