X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fbase.pm;h=9c2135bfb6b4e6bbf8fbfa3bc59b1bc5c50ab266;hb=6a93515622cf0655623a39a9eaff82a4b9b3268b;hp=cc0d3c6e6dd35151f71ddd57618331f0bbab5b9b;hpb=20a6717b3f0310570b661870c2455994a4ab8016;p=p5sagit%2Fp5-mst-13.2.git diff --git a/lib/base.pm b/lib/base.pm index cc0d3c6..9c2135b 100644 --- a/lib/base.pm +++ b/lib/base.pm @@ -2,7 +2,7 @@ package base; use strict 'vars'; use vars qw($VERSION); -$VERSION = '2.05'; +$VERSION = '2.07'; # constant.pm is slow sub SUCCESS () { 1 } @@ -78,7 +78,7 @@ sub import { unless defined ${$base.'::VERSION'}; } else { - local $SIG{__DIE__} = 'IGNORE'; + local $SIG{__DIE__}; eval "require $base"; # Only ignore "Can't locate" errors from our eval require. # Other fatal errors (syntax etc) must be reported. @@ -97,7 +97,7 @@ ERROR push @{"$inheritor\::ISA"}, $base; if ( has_fields($base) || has_attr($base) ) { - # No multiple fields inheritence *suck* + # No multiple fields inheritance *suck* if ($fields_base) { require Carp; Carp::croak("Can't multiply inherit %FIELDS"); @@ -152,10 +152,9 @@ sub inherit_fields { } } - unless( keys %$bfields ) { - foreach my $idx (1..$#{$battr}) { - $dattr->[$idx] = $battr->[$idx] & INHERITED; - } + foreach my $idx (1..$#{$battr}) { + next if defined $dattr->[$idx]; + $dattr->[$idx] = $battr->[$idx] & INHERITED; } } @@ -193,11 +192,22 @@ it, will define $VERSION in the base package, setting it to the string C<-1, set by base.pm>. Will also initialize the fields if one of the base classes has it. -Multiple inheritence of fields is B supported, if two or more +Multiple inheritance of fields is B supported, if two or more base classes each have inheritable fields the 'base' pragma will croak. See L, L and L for a description of this feature. +=head1 DIAGNOSTICS + +=over 4 + +=item Base class package "%s" is empty. + +base.pm was unable to require the base package, because it was not +found in your path. + +=back + =head1 HISTORY This module was introduced with Perl 5.004_04.