PPI is in no way robust enough for this use case. Source filters will never be appropriate for production use.
use strict;
use warnings;
use experimental 'signatures';
use Nice::Try;
sub foo { 1 }
try {
my $k = sub ($f = foo()) {};
}
catch ($e) {
warn "caught: $e";
}
__END__
Global symbol "$e" requires explicit package name (did you forget to d
+eclare "my $e"?) at bad-syntax.pl line 10.
syntax error at bad-syntax.pl line 10, near ") {"
Execution of bad-syntax.pl aborted due to compilation errors.
The module has other serious issues:
use strict;
use warnings;
use Nice::Try;
{
package MyException;
use overload '""' => 'message';
sub message { $_[0]->{message} }
sub new { my $class = shift; bless { @_ }, $class }
sub throw { my $class = shift; die $class->new(message => shift) }
}
try {
MyException->throw("hi\n");
}
catch (MyException $e) {
warn "working catch: $e";
}
catch ($e) {
warn "broken catch: $e";
}
__END__
$ perl bad-exception.pl
broken catch: hi at bad-exception.pl line 21.