X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FException.pm;h=1f56cb5d44799cea7f5773a0d7d2e6eea1e0c871;hb=0c11ad0ee5c8407f6b87d6e15c62a1b445076dc0;hp=77a3a967dd8a18c4ec0758e541cf30a2ebd3da44;hpb=b2f408f3651f1f86865e4f850858fe73ad18a084;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/Exception.pm b/lib/DBIx/Class/Exception.pm index 77a3a96..1f56cb5 100644 --- a/lib/DBIx/Class/Exception.pm +++ b/lib/DBIx/Class/Exception.pm @@ -3,8 +3,7 @@ package DBIx::Class::Exception; use strict; use warnings; -use Carp::Clan qw/^DBIx::Class/; -use Scalar::Util qw/blessed/; +use DBIx::Class::Carp (); use overload '""' => sub { shift->{msg} }, @@ -16,10 +15,9 @@ DBIx::Class::Exception - Exception objects for DBIx::Class =head1 DESCRIPTION -Exception objects of this class are used in internally by -he default error handling of L -to prevent confusing and/or redundant re-application of L's -stack trace information. +Exception objects of this class are used internally by +the default error handling of L +and derivatives. These objects stringify to the contained error message, and use overload fallback to give natural boolean/numeric values. @@ -38,30 +36,36 @@ This is meant for internal use by L's C code, and shouldn't be used directly elsewhere. Expects a scalar exception message. The optional argument -C<$stacktrace> tells it to use L instead of -L. +C<$stacktrace> tells it to output a full trace similar to L. DBIx::Class::Exception->throw('Foo'); - eval { ... }; DBIx::Class::Exception->throw($@) if $@; + try { ... } catch { DBIx::Class::Exception->throw(shift) } =cut sub throw { my ($class, $msg, $stacktrace) = @_; - # Don't re-encapsulate multiple times - die $msg if blessed($msg) && $msg->isa('DBIx::Class::Exception'); + # Don't re-encapsulate exception objects of any kind + die $msg if ref($msg); + + # all exceptions include a caller + $msg =~ s/\n$//; - # use Carp::Clan's croak if we're not stack tracing if(!$stacktrace) { - local $@; - eval { croak $msg }; - $msg = $@ + # skip all frames that match the original caller, or any of + # the dbic-wide classdata patterns + my ($ln, $calling) = DBIx::Class::Carp::__find_caller( + '^' . caller() . '$', + 'DBIx::Class', + ); + + $msg = "${calling}${msg} ${ln}\n"; } else { $msg = Carp::longmess($msg); } - + my $self = { msg => $msg }; bless $self => $class; @@ -79,9 +83,9 @@ sub rethrow { die shift; } -=head1 AUTHORS +=head1 AUTHOR AND CONTRIBUTORS -Brandon L. Black +See L and L in DBIx::Class =head1 LICENSE