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 compiletime.
-However, you may control there behaviour at runtime using the
+However, you may control their behaviour at runtime using the
disable() and enable() methods to turn them off and on respectively.
The B<-verbose> flag first prints out the L<perldiag> introduction before
=cut
-require 5.001;
+use strict;
+use 5.005_64;
use Carp;
+our $VERSION = 1.0;
+our $DEBUG;
+our $VERBOSE;
+our $PRETTY;
+
use Config;
-($privlib, $archlib) = @Config{qw(privlibexp archlibexp)};
+my($privlib, $archlib) = @Config{qw(privlibexp archlibexp)};
if ($^O eq 'VMS') {
require VMS::Filespec;
$privlib = VMS::Filespec::unixify($privlib);
$archlib = VMS::Filespec::unixify($archlib);
}
-@trypod = (
+my @trypod = (
"$archlib/pod/perldiag.pod",
- "$privlib/pod/perldiag-$].pod",
- "$privlib/pod/perldiag.pod"
+ "$privlib/pod/perldiag-$Config{version}.pod",
+ "$privlib/pod/perldiag.pod",
"$archlib/pods/perldiag.pod",
- "$privlib/pods/perldiag-$].pod",
- "$privlib/pods/perldiag.pod"
+ "$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];
+(my $PODFILE) = ((grep { -e } @trypod), $trypod[$#trypod])[0];
$DEBUG ||= 0;
my $WHOAMI = ref bless []; # nobody's business, prolly not even mine
-$| = 1;
-
+local $| = 1;
local $_;
+my $standalone;
+my(%HTML_2_Troff, %HTML_2_Latin_1, %HTML_2_ASCII_7);
+
CONFIG: {
- $opt_p = $opt_d = $opt_v = $opt_f = '';
- %HTML_2_Troff = %HTML_2_Latin_1 = %HTML_2_ASCII_7 = ();
- %exact_duplicate = ();
+ our $opt_p = our $opt_d = our $opt_v = our $opt_f = '';
- unless (caller) {
+ unless (caller) {
$standalone++;
require Getopt::Std;
Getopt::Std::getopts('pdvf:')
$DEBUG = 2 if $opt_d;
$VERBOSE = $opt_v;
$PRETTY = $opt_p;
- }
+ }
if (open(POD_DIAG, $PODFILE)) {
warn "Happy happy podfile from real $PODFILE\n" if $DEBUG;
if (caller) {
INCPATH: {
- for $file ( (map { "$_/$WHOAMI.pm" } @INC), $0) {
+ for my $file ( (map { "$_/$WHOAMI.pm" } @INC), $0) {
warn "Checking $file\n" if $DEBUG;
if (open(POD_DIAG, $file)) {
while (<POD_DIAG>) {
- next unless /^__END__\s*# wish diag dbase were more accessible/;
+ next unless
+ /^__END__\s*# wish diag dbase were more accessible/;
print STDERR "podfile is $file\n" if $DEBUG;
last INCPATH;
}
# etc
);
+our %HTML_Escapes;
*HTML_Escapes = do {
if ($standalone) {
$PRETTY ? \%HTML_2_Latin_1 : \%HTML_2_ASCII_7;
*THITHER = $standalone ? *STDOUT : *STDERR;
-$transmo = <<EOFUNC;
+my $transmo = <<EOFUNC;
sub transmo {
#local \$^W = 0; # recursive warnings we do NOT need!
study;
EOFUNC
-### sub finish_compilation { # 5.001e panic: top_level for embedded version
+my %msg;
+{
print STDERR "FINISHING COMPILATION for $_\n" if $DEBUG;
- ### local
- $RS = '';
+ local $/ = '';
local $_;
+ my $header;
+ my $for_item;
while (<POD_DIAG>) {
- #s/(.*)\n//;
- #$header = $1;
unescape();
if ($PRETTY) {
}
s/^/ /gm;
$msg{$header} .= $_;
+ undef $for_item;
}
next;
}
- unless ( s/=item (.*)\s*\Z//) {
+ unless ( s/=item (.*?)\s*\z//) {
if ( s/=head1\sDESCRIPTION//) {
$msg{$header = 'DESCRIPTION'} = '';
+ undef $for_item;
}
+ elsif( s/^=for\s+diagnostics\s*\n(.*?)\s*\z// ) {
+ $for_item = $1;
+ }
next;
}
# strip formatting directives in =item line
- ($header = $1) =~ s/[A-Z]<(.*?)>/$1/g;
+ $header = $for_item || $1;
+ undef $for_item;
+ $header =~ s/[A-Z]<(.*?)>/$1/g;
- if ($header =~ /%[sd]/) {
- $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$2\E/g) {
+ if ($header =~ /%[csd]/) {
+ my $rhs = my $lhs = $header;
+ if ($lhs =~ s/(.*?)%d(?!%d)(.*)/\Q$1\E-?\\d+\Q$2\E/g) {
$lhs =~ s/\\%s/.*?/g;
} else {
- # if i had lookbehind negations, i wouldn't have to do this \377 noise
+ # if i had lookbehind negations,
+ # i wouldn't have to do this \377 noise
$lhs =~ s/(.*?)%s/\Q$1\E.*?\377/g;
- #$lhs =~ s/\377([^\377]*)$/\Q$1\E\$/;
$lhs =~ s/\377([^\377]*)$/\Q$1\E/;
$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";
print STDERR $transmo if $DEBUG;
eval $transmo;
die $@ if $@;
- $RS = "\n";
-### }
+}
if ($standalone) {
if (!@ARGV and -t STDIN) { print STDERR "$0: Reading from STDIN\n" }
- while (defined ($error = <>)) {
+ while (defined (my $error = <>)) {
splainthis($error) || print THITHER $error;
}
exit;
-} else {
- $old_w = 0; $oldwarn = ''; $olddie = '';
-}
+}
+
+my $olddie;
+my $oldwarn;
sub import {
shift;
- #$old_w = $^W;
- $^W = 1; # yup, clobbered the global variable; tough, if you
- # want diags, you want diags.
+ $^W = 1; # yup, clobbered the global variable;
+ # tough, if you want diags, you want diags.
return if $SIG{__WARN__} eq \&warn_trap;
for (@_) {
sub disable {
shift;
- #$^W = $old_w;
return unless $SIG{__WARN__} eq \&warn_trap;
- $SIG{__WARN__} = $oldwarn;
- $SIG{__DIE__} = $olddie;
+ $SIG{__WARN__} = $oldwarn || '';
+ $SIG{__DIE__} = $olddie || '';
}
sub warn_trap {
# into an indirect recursion loop
};
+my %exact_duplicate;
+my %old_diag;
+my $count;
+my $wantspace;
sub splainthis {
local $_ = shift;
local $\;
my $orig = $_;
# return unless defined;
s/, <.*?> (?:line|chunk).*$//;
- $real = s/(.*?) at .*? (?:line|chunk) \d+.*/$1/;
+ my $real = s/(.*?) at .*? (?:line|chunk) \d+.*/$1/;
s/^\((.*)\)$/$1/;
if ($exact_duplicate{$orig}++) {
return &transmo;
}
-# have to do this: RS isn't set until run time, but we're executing at compiletime
-$RS = "\n";
-
1 unless $standalone; # or it'll complain about itself
__END__ # wish diag dbase were more accessible