12 # --make-exceptions-list outputs the list of strings that don't have
13 # perldiag.pod entries to STDERR without TAP formatting, so they can
14 # easily be put in the __DATA__ section of this file. This was done
15 # initially so as to not create new test failures upon the initial
16 # creation of this test file. You probably shouldn't do it again.
17 # Just add the documentation instead.
18 my $make_exceptions_list = ($ARGV[0]||'') eq '--make-exceptions-list';
20 chdir '..' or die "Can't chdir ..: $!";
21 BEGIN { defined $ENV{PERL_UNICODE} and push @INC, "lib"; }
25 open my $func_fh, "<", "embed.fnc" or die "Can't open embed.fnc: $!";
27 # Look for functions in embed.fnc that look like they could be diagnostic ones.
31 while (s/\s*\\$//) { # Grab up all continuation lines, these end in \
32 my $next = <$func_fh>;
37 next if /^:/; # Lines beginning with colon are comments.
38 next unless /\|/; # Lines without a vertical bar are something we can't deal
40 my @fields = split /\s*\|\s*/;
41 next unless $fields[2] =~ /warn|err|(\b|_)die|croak/i;
42 push @functions, $fields[2];
44 # The flag p means that this function may have a 'Perl_' prefix
45 # The flag s means that this function may have a 'S_' prefix
46 push @functions, "Perl_$fields[2]", if $fields[0] =~ /p/;
47 push @functions, "S_$fields[2]", if $fields[0] =~ /s/;
52 my $function_re = join '|', @functions;
53 my $source_msg_re = "(?<routine>\\bDIE\\b|$function_re)";
54 my $text_re = '"(?<text>(?:\\\\"|[^"]|"\s*[A-Z_]+\s*")*)"';
55 my $source_msg_call_re = qr/$source_msg_re(?:_nocontext)? \s*
57 (?:packWARN\d*\((?<category>.*?)\),)? \s*
59 my $bad_version_re = qr{BADVERSION\([^"]*$text_re};
63 # Get the ignores that are compiled into this file
69 my $pod = "pod/perldiag.pod";
71 open my $diagfh, "<", $pod
72 or die "Can't open $pod: $!";
74 my $category_re = qr/ [a-z0-9_]+?/; # Note: requires an initial space
75 my $severity_re = qr/ . (?: \| . )* /x; # A severity is a single char, but can
76 # be of the form 'S|P|W'
81 if (exists $entries{$cur_entry}) {
83 local $::TODO = "Remove the TODO entry \"$cur_entry\" from DATA as it is already in $pod near line $.";
87 # Make sure to init this here, so an actual entry in perldiag
88 # overwrites one in DATA.
89 $entries{$cur_entry}{todo} = 0;
90 $entries{$cur_entry}{line_number} = $.;
94 next if ! defined $cur_entry;
96 if (! $entries{$cur_entry}{severity}) {
97 if (/^ \( ( $severity_re )
99 # Can have multiple categories separated by commas
100 (?: ( $category_re ) (?: , $category_re)* )? \) /x)
102 $entries{$cur_entry}{severity} = $1;
103 $entries{$cur_entry}{category} = $2;
105 elsif (! $entries{$cur_entry}{first_line} && $_ =~ /\S/) {
107 # Keep track of first line of text if doesn't contain a severity, so
108 # that can later examine it to determine if that is ok or not
109 $entries{$cur_entry}{first_line} = $_;
114 foreach my $cur_entry ( keys %entries) {
115 next if $entries{$cur_entry}{todo}; # If in this file, won't have a severity
116 if (! exists $entries{$cur_entry}{severity}
118 # If there is no first line, it was two =items in a row, so the
119 # second one is the one with with text, not this one.
120 && exists $entries{$cur_entry}{first_line}
122 # If the first line refers to another message, no need for severity
123 && $entries{$cur_entry}{first_line} !~ /^See/)
127 " $pod entry at line $entries{$cur_entry}{line_number}\n"
128 . " \"$cur_entry\"\n"
129 . " is missing a severity and/or category"
134 # List from perlguts.pod "Formatted Printing of IVs, UVs, and NVs"
135 # Convert from internal formats to ones that the readers will be familiar
136 # with, while removing any format modifiers, such as precision, the
137 # presence of which would just confuse the pod's explanation
138 my %specialformats = (IVdf => 'd',
151 my $format_modifiers = qr/ [#0\ +-]* # optional flags
152 (?: [1-9][0-9]* | \* )? # optional field width
153 (?: \. \d* )? # optional precision
154 (?: h|l )? # optional length modifier
158 join '|', sort { length $b cmp length $a } keys %specialformats;
159 my $specialformats_re = qr/%$format_modifiers"\s*($specialformats)(\s*")?/;
161 # Recursively descend looking for source files.
164 my $todo = shift @todo;
165 next if $todo ~~ ['t', 'lib', 'ext', 'dist', 'cpan'];
166 # opmini.c is just a copy of op.c, so there's no need to check again.
167 next if $todo eq 'opmini.c';
169 unshift @todo, sort glob "$todo/*";
170 } elsif ($todo =~ m/\.[ch]$/) {
175 # Standardize messages with variants into the form that appears
176 # in perldiag.pod -- useful for things without a diag_listed_as annotation
180 if ( $name =~ m/^(Invalid strict version format) \([^\)]*\)/ ) {
183 elsif ( $name =~ m/^(Invalid version format) \([^\)]*\)/ ) {
186 elsif ($name =~ m/^panic: /) {
187 $name = "panic: \%s";
196 print "# Checking $codefn\n";
198 open my $codefh, "<", $codefn
199 or die "Can't open $codefn: $!";
203 my $sub = 'top of file';
206 # Getting too much here isn't a problem; we only use this to skip
207 # errors inside of XS modules, which should get documented in the
208 # docs for the module.
209 if (m<^[^#\s]> and $_ !~ m/^[{}]*$/) {
212 next if $sub =~ m/^XS/;
213 if (m</\* diag_listed_as: (.*) \*/>) {
215 $listed_as_line = $.+1;
221 # Loop to accumulate the message text all on one line.
222 if (m/$source_msg_re(?:_nocontext)?\s*\(/) {
223 while (not m/\);$/) {
224 my $nextline = <$codefh>;
225 # Means we fell off the end of the file. Not terribly surprising;
226 # this code tries to merge a lot of things that aren't regular C
227 # code (preprocessor stuff, long comments). That's OK; we don't
229 last if not defined $nextline;
231 $nextline =~ s/^\s+//;
233 # Note that we only want to do this where *both* are true.
234 if ($_ =~ m/"$/ and $nextline =~ m/^"/) {
242 # This should happen *after* unwrapping, or we don't reformat the things
245 s/$specialformats_re/"%$specialformats{$1}" . (defined $2 ? '' : '"')/ge;
247 # Remove any remaining format modifiers, but not in %%
248 s/ (?<!%) % $format_modifiers ( [dioxXucsfeEgGp] ) /%$1/xg;
250 # The %"foo" thing needs to happen *before* this regex.
252 # DIE is just return Perl_die
253 my ($name, $category);
254 if (/$source_msg_call_re/) {
255 ($name, $category) = ($+{'text'}, $+{'category'});
257 elsif (/$bad_version_re/) {
258 ($name, $category) = ($+{'text'}, undef);
264 my $severity = {croak => [qw/P F/],
267 }->{$+{'routine'}||'die'};
269 if (defined $category) {
270 @categories = map {s/^WARN_//; lc $_} split /\s*[|,]\s*/, $category;
272 if ($listed_as and $listed_as_line == $. - $multiline) {
275 # The form listed in perldiag ignores most sorts of fancy printf
276 # formatting, or makes it more perlish.
278 $name =~ s/%l[ud]/%d/g;
279 $name =~ s/%\.(\d+|\*)s/\%s/g;
280 $name =~ s/(?:%s){2,}/%s/g;
281 $name =~ s/(\\")|("\s*[A-Z_]+\s*")/$1 ? '"' : '%s'/egg;
285 $name =~ s/(\\)\\/$1/g;
288 # Extra explanatory info on an already-listed error, doesn't
289 # need it's own listing.
290 next if $name =~ m/^\t/;
292 # Happens fairly often with PL_no_modify.
293 next if $name eq '%s';
295 # Special syntax for magic comment, allows ignoring the fact
296 # that it isn't listed. Only use in very special circumstances,
297 # like this script failing to notice that the Perl_croak call is
298 # inside an #if 0 block.
299 next if $name eq 'SKIPME';
301 check_message(standardize($name),$codefn);
306 my($name,$codefn,$partial) = @_;
307 my $key = $name =~ y/\n/ /r;
310 if (exists $entries{$key}) {
312 if ( $entries{$key}{seen}++ ) {
313 # no need to repeat entries we've tested
314 } elsif ($entries{$name}{todo}) {
317 local $::TODO = 'in DATA';
318 # There is no listing, but it is in the list of exceptions. TODO FAIL.
321 " Message '$name'\n from $codefn line $. is not listed in $pod\n".
322 " (but it wasn't documented in 5.10 either, so marking it TODO)."
326 # We found an actual valid entry in perldiag.pod for this error.
329 # Later, should start checking that the severity is correct, too.
336 check_message($_,$codefn,1) or $ok = 0, last for split /\n/, $name;
340 } elsif ($make_exceptions_list) {
341 # We're making an updated version of the exception list, to
342 # stick in the __DATA__ section. I honestly can't think of
343 # a situation where this is the right thing to do, but I'm
344 # leaving it here, just in case one of my descendents thinks
346 print STDERR "$key\n";
348 # No listing found, and no excuse either.
349 # Find the correct place in perldiag.pod, and add a stanza beginning =item $name.
351 diag(" Message '$name'\n from $codefn line $. is not listed in $pod");
353 # seen it, so only fail once for this message
354 $entries{$name}{seen}++;
357 die if $name =~ /%$/;
361 # Lists all missing things as of the inauguration of this script, so we
362 # don't have to go from "meh" to perfect all at once.
364 # PLEASE DO NOT ADD TO THIS LIST. Instead, write an entry in
365 # pod/perldiag.pod for your new (warning|error).
367 # Also FIXME this test, as the first entry in TODO *is* covered by the
368 # description: Malformed UTF-8 character (%s)
370 Malformed UTF-8 character (unexpected non-continuation byte 0x%x, immediately after start byte 0x%x)
372 %s (%d) does not match %s (%d),
373 %s (%d) smaller than %s (%d),
374 bad top format reference
375 Can't coerce readonly %s to string
376 Can't coerce readonly %s to string in %s
377 Can't fix broken locale name "%s"
378 Can't get short module name from a handle
379 Can't locate object method "%s" via package "%s" (perhaps you forgot to load "%s"?)
381 Can't %s script `%s' with ARGV[0] being `%s'
383 Can't %s `%s' with ARGV[0] being `%s' (looking for executables only, not found)
384 Can't use string ("%s"%s) as a subroutine ref while "strict refs" in use
385 \%c better written as $%c
386 Character(s) in '%c' format wrapped in %s
387 Code missing after '/' in pack
388 Code missing after '/' in unpack
389 Corrupted regexp opcode %d > %d
390 '%c' outside of string in pack
391 Debug leaking scalars child failed%s with errno %d: %s
392 Don't know how to handle magic of type \%o
393 -Dp not implemented on this platform
394 Error reading "%s": %s
395 Eval-group in insecure regular expression
396 Filehandle opened only for %sput
397 Filehandle %s opened only for %sput
398 Filehandle STD%s reopened as %s only for input
399 YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET! FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!
400 Free to wrong pool %p not %p
402 glob failed (can't start child: %s)
403 glob failed (child exited with status %d%s)
404 Goto undefined subroutine
405 Goto undefined subroutine &%s
406 Illegal character %sin prototype for %s : %s
407 internal %<num>p might conflict with future printf extensions
408 invalid control request: '\%o'
409 Invalid range "%c-%c" in transliteration operator
410 Invalid separator character %c%c%c in PerlIO layer specification %s
411 Invalid TOKEN object ignored
412 Invalid type '%c' in pack
413 Invalid type '%c' in %s
414 Invalid type '%c' in unpack
415 Invalid type ',' in %s
416 'j' not supported on this platform
417 'J' not supported on this platform
418 Malformed UTF-8 character (fatal)
419 Missing (suid) fd script name
420 More than one argument to open
421 More than one argument to open(,':%s')
422 mprotect for %p %u failed with %d
423 mprotect RW for %p %u failed with %d
424 No such class field "%s"
425 Not an XSUB reference
426 Operator or semicolon missing before %c%s
427 Perl %s required--this is only %s, stopped
428 ptr wrong %p != %p fl=%x nl=%p e=%p for %d
429 Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)
430 Reversed %c= operator
432 %sCompilation failed in regexp
433 %sCompilation failed in require
435 %s free() ignored (RMAGIC, PERL_CORE)
436 %s has too many errors.
437 SIG%s handler "%s" not defined.
439 Size magic not implemented
440 %s number > %s non-portable
441 %s object version %s does not match %s %s
442 %srealloc() %signored
443 %s has too many errors.
446 Starting Full Screen process with flag=%d, mytype=%d
447 Starting PM process with flag=%d, mytype=%d
448 SWASHNEW didn't return an HV ref
449 -T and -B not implemented on filehandles
450 The flock() function is not implemented on NetWare
451 The rewinddir() function is not implemented on NetWare
452 The seekdir() function is not implemented on NetWare
453 The telldir() function is not implemented on NetWare
454 Too deeply nested ()-groups in %s
455 Too many args on %s line of "%s"
456 U0 mode on a byte string
457 Unstable directory path, current directory changed unexpectedly
458 Unterminated compressed integer in unpack
459 Usage: CODE(0x%x)(%s)
462 Usage: VMS::Filespec::unixrealpath(spec)
463 Usage: VMS::Filespec::vmsrealpath(spec)
464 Use of inherited AUTOLOAD for non-method %s::%s() is deprecated
465 utf8 "\x%X" does not map to Unicode
466 Value of logical "%s" too long. Truncating to %i bytes
467 value of node is %d in Offset macro
468 Variable "%c%s" is not imported
471 Wide character in print
472 Within []-length '%c' not allowed in %s
473 Wrong syntax (suid) fd script name "%s"
474 'X' outside of string in unpack