die wrap with prefix for attribute isa

[gitmo/Moo.git] / lib / Method / Generate / Accessor.pm

diff --git a/lib/Method/Generate/Accessor.pm b/lib/Method/Generate/Accessor.pm
index 0918912..e7eebb4 100644 (file)
--- a/lib/Method/Generate/Accessor.pm
+++ b/lib/Method/Generate/Accessor.pm
@@ -308,7 +308,13 @@ sub generate_isa_check {
 
 sub _generate_isa_check {
   my ($self, $name, $value, $check) = @_;
-  $self->_generate_call_code($name, 'isa_check', $value, $check);
+  "{\n"
+  .'  my $sig_die = $SIG{__DIE__} || sub { die $_[0] };'."\n"
+  .'  local $SIG{__DIE__} = sub {'."\n"
+  .'    $sig_die->(ref($_[0]) ? $_[0] : q{isa check for '.perlstring($name).' failed: }.$_[0]);'."\n"
+  .'  };'."\n"
+  .$self->_generate_call_code($name, 'isa_check', $value, $check)
+  ."}\n"
 }
 
 sub _generate_call_code {