diagnostics - Perl compiler pragma to force verbose warning diagnostics
-splain - stand-alone program to do the same thing
+splain - standalone program to do the same thing
=head1 SYNOPSIS
compilation will then be subject(ed :-) to the enhanced diagnostics.
These still go out B<STDERR>.
-Due to the interaction between runtime and compile time issues,
+Due to the interaction between runtime and compiletime issues,
and because it's probably not a very good idea anyway,
-you may not use C<no diagnostics> to turn them off at compile time.
+you may not use C<no diagnostics> to turn them off at compiletime.
However, you may control there behaviour at runtime using the
disable() and enable() methods to turn them off and on respectively.
any other diagnostics. The $diagnostics::PRETTY variable can generate nicer
escape sequences for pagers.
+Warnings dispatched from perl itself (or more accurately, those that match
+descriptions found in L<perldiag>) are only displayed once (no duplicate
+descriptions). User code generated warnings ala warn() are unaffected,
+allowing duplicate user messages to be displayed.
+
=head2 The I<splain> Program
While apparently a whole nuther program, I<splain> is actually nothing
=head1 EXAMPLES
The following file is certain to trigger a few errors at both
-runtime and compile time:
+runtime and compiletime:
use diagnostics;
print NOWHERE "nothing\n";
=cut
-require 5.001;
+use 5.005_64;
use Carp;
+$VERSION = v1.0;
+
use Config;
($privlib, $archlib) = @Config{qw(privlibexp archlibexp)};
if ($^O eq 'VMS') {
$privlib = VMS::Filespec::unixify($privlib);
$archlib = VMS::Filespec::unixify($archlib);
}
-@trypod = ("$archlib/pod/perldiag.pod",
- "$privlib/pod/perldiag-$].pod",
- "$privlib/pod/perldiag.pod");
+@trypod = (
+ "$archlib/pod/perldiag.pod",
+ "$privlib/pod/perldiag-$Config{version}.pod",
+ "$privlib/pod/perldiag.pod",
+ "$archlib/pods/perldiag.pod",
+ "$privlib/pods/perldiag-$Config{version}.pod",
+ "$privlib/pods/perldiag.pod",
+ );
# handy for development testing of new warnings etc
unshift @trypod, "./pod/perldiag.pod" if -e "pod/perldiag.pod";
($PODFILE) = ((grep { -e } @trypod), $trypod[$#trypod])[0];
# strip formatting directives in =item line
($header = $1) =~ s/[A-Z]<(.*?)>/$1/g;
- if ($header =~ /%[sd]/) {
+ if ($header =~ /%[csd]/) {
$rhs = $lhs = $header;
#if ($lhs =~ s/(.*?)%d(?!%d)(.*)/\Q$1\E\\d+\Q$2\E\$/g) {
if ($lhs =~ s/(.*?)%d(?!%d)(.*)/\Q$1\E\\d+\Q$2\E/g) {
$lhs =~ s/\377//g;
$lhs =~ s/\.\*\?$/.*/; # Allow %s at the end to eat it all
}
+ $lhs =~ s/\\%c/./g;
$transmo .= " s{^$lhs}\n {\Q$rhs\E}s\n\t&& return 1;\n";
} else {
$transmo .= " m{^\Q$header\E} && return 1;\n";
}
exit;
} else {
- $old_w = 0; $oldwarn = ''; $olddie = '';
+ #$old_w = 0;
+ $oldwarn = ''; $olddie = '';
}
sub import {
s/\.?\n+$//;
my $orig = $_;
# return unless defined;
- if ($exact_duplicate{$_}++) {
- return 1;
- }
s/, <.*?> (?:line|chunk).*$//;
$real = s/(.*?) at .*? (?:line|chunk) \d+.*/$1/;
s/^\((.*)\)$/$1/;
- return 0 unless &transmo;
+ if ($exact_duplicate{$orig}++) {
+ return &transmo;
+ }
+ else {
+ return 0 unless &transmo;
+ }
$orig = shorten($orig);
if ($old_diag{$_}) {
autodescribe();
}
-# have to do this: RS isn't set until run time, but we're executing at compile time
+# have to do this: RS isn't set until run time, but we're executing at compiletime
$RS = "\n";
1 unless $standalone; # or it'll complain about itself