Commit | Line | Data |
b1dbf716 |
1 | package # hide from PAUSE |
2 | DBIx::Class::_Util; |
3 | |
b78ed1e4 |
4 | # load es early as we can, usually a noop |
5 | use DBIx::Class::StartupCheck; |
399b9455 |
6 | |
b1dbf716 |
7 | use warnings; |
8 | use strict; |
9 | |
953f8eb0 |
10 | # For the love of everything that is crab-like: DO NOT reach into this |
11 | # The entire thing is really fragile and should not be screwed with |
12 | # unless absolutely and unavoidably necessary |
13 | our $__describe_class_query_cache; |
296248c3 |
14 | |
37873f78 |
15 | BEGIN { |
16 | package # hide from pause |
17 | DBIx::Class::_ENV_; |
18 | |
19 | use Config; |
20 | |
21 | use constant { |
3605497b |
22 | PERL_VERSION => "$]", |
23 | OS_NAME => "$^O", |
24 | }; |
25 | |
26 | use constant { |
37873f78 |
27 | |
28 | # but of course |
3605497b |
29 | BROKEN_FORK => (OS_NAME eq 'MSWin32') ? 1 : 0, |
37873f78 |
30 | |
3605497b |
31 | BROKEN_GOTO => ( PERL_VERSION < 5.008003 ) ? 1 : 0, |
8d73fcd4 |
32 | |
7bba735d |
33 | # perl -MScalar::Util=weaken -e 'weaken( $hash{key} = \"value" )' |
3605497b |
34 | BROKEN_WEAK_SCALARREF_VALUES => ( PERL_VERSION < 5.008003 ) ? 1 : 0, |
7bba735d |
35 | |
37873f78 |
36 | HAS_ITHREADS => $Config{useithreads} ? 1 : 0, |
37 | |
5f0174dc |
38 | TAINT_MODE => 0 + ${^TAINT}, # tri-state: 0, 1, -1 |
39 | |
3605497b |
40 | UNSTABLE_DOLLARAT => ( PERL_VERSION < 5.013002 ) ? 1 : 0, |
bbf6a9a5 |
41 | |
db83437e |
42 | ( map |
43 | # |
44 | # the "DBIC_" prefix below is crucial - this is what makes CI pick up |
45 | # all envvars without further adjusting its scripts |
46 | # DO NOT CHANGE to the more logical { $_ => !!( $ENV{"DBIC_$_"} ) } |
47 | # |
48 | { substr($_, 5) => !!( $ENV{$_} ) } |
49 | qw( |
50 | DBIC_SHUFFLE_UNORDERED_RESULTSETS |
51 | DBIC_ASSERT_NO_INTERNAL_WANTARRAY |
52 | DBIC_ASSERT_NO_INTERNAL_INDIRECT_CALLS |
534aff61 |
53 | DBIC_ASSERT_NO_ERRONEOUS_METAINSTANCE_USE |
12e7015a |
54 | DBIC_ASSERT_NO_FAILING_SANITY_CHECKS |
a3ae79ed |
55 | DBIC_ASSERT_NO_INCONSISTENT_RELATIONSHIP_RESOLUTION |
db83437e |
56 | DBIC_STRESSTEST_UTF8_UPGRADE_GENERATED_COLLAPSER_SOURCE |
57 | DBIC_STRESSTEST_COLUMN_INFO_UNAWARE_STORAGE |
58 | ) |
59 | ), |
f45dc928 |
60 | |
37873f78 |
61 | IV_SIZE => $Config{ivsize}, |
62 | }; |
63 | |
3605497b |
64 | if ( PERL_VERSION < 5.009_005) { |
37873f78 |
65 | require MRO::Compat; |
66 | constant->import( OLD_MRO => 1 ); |
296248c3 |
67 | |
68 | # |
69 | # Yes, I know this is a rather PHP-ish name, but please first read |
70 | # https://metacpan.org/source/BOBTFISH/MRO-Compat-0.12/lib/MRO/Compat.pm#L363-368 |
71 | # |
72 | # Even if we are using Class::C3::XS it still won't work, as doing |
73 | # defined( *{ "SubClass::"->{$_} }{CODE} ) |
74 | # will set pkg_gen to the same value for SubClass and *ALL PARENTS* |
75 | # |
76 | *DBIx::Class::_Util::get_real_pkg_gen = sub ($) { |
77 | require Digest::MD5; |
78 | require Math::BigInt; |
79 | |
953f8eb0 |
80 | my $cur_class; |
81 | no strict 'refs'; |
82 | |
296248c3 |
83 | # the non-assign-unless-there-is-a-hash is deliberate |
953f8eb0 |
84 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{gen} ||= ( |
296248c3 |
85 | Math::BigInt->new( '0x' . ( Digest::MD5::md5_hex( join "\0", map { |
86 | |
953f8eb0 |
87 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_}{methlist} ||= ( |
88 | |
89 | $cur_class = $_ |
296248c3 |
90 | |
953f8eb0 |
91 | and |
1c179556 |
92 | |
93 | # RV to be hashed up and turned into a number |
94 | join "\0", ( |
953f8eb0 |
95 | $cur_class, |
296248c3 |
96 | map |
1c179556 |
97 | {( |
98 | # stringification should be sufficient, ignore names/refaddr entirely |
99 | $_, |
92705f7f |
100 | do { |
101 | my @attrs; |
102 | local $@; |
103 | local $SIG{__DIE__} if $SIG{__DIE__}; |
104 | # attributes::get may throw on blessed-false crefs :/ |
105 | eval { @attrs = attributes::get( $_ ); 1 } |
106 | or warn "Unable to determine attributes of coderef $_ due to the following error: $@"; |
107 | @attrs; |
108 | }, |
1c179556 |
109 | )} |
296248c3 |
110 | map |
1c179556 |
111 | {( |
112 | # skip dummy C::C3 helper crefs |
953f8eb0 |
113 | ! ( ( $Class::C3::MRO{$cur_class} || {} )->{methods}{$_} ) |
1c179556 |
114 | and |
296248c3 |
115 | ( |
953f8eb0 |
116 | ref(\ "${cur_class}::"->{$_} ) ne 'GLOB' |
296248c3 |
117 | or |
953f8eb0 |
118 | defined( *{ "${cur_class}::"->{$_} }{CODE} ) |
296248c3 |
119 | ) |
1c179556 |
120 | ) |
953f8eb0 |
121 | ? ( \&{"${cur_class}::$_"} ) |
296248c3 |
122 | : () |
123 | } |
953f8eb0 |
124 | keys %{ "${cur_class}::" } |
125 | ) |
126 | ) |
d01688cc |
127 | } ( |
128 | |
129 | @{ |
953f8eb0 |
130 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{linear_isa} |
d01688cc |
131 | ||= |
132 | mro::get_linear_isa($_[0]) |
133 | }, |
134 | |
135 | (( |
953f8eb0 |
136 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{is_universal} |
d01688cc |
137 | ||= |
138 | mro::is_universal($_[0]) |
139 | ) ? () : @{ |
953f8eb0 |
140 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{UNIVERSAL}{linear_isa} |
d01688cc |
141 | ||= |
142 | mro::get_linear_isa("UNIVERSAL") |
143 | } ), |
144 | |
145 | ) ) ) ) |
296248c3 |
146 | ); |
147 | }; |
37873f78 |
148 | } |
149 | else { |
150 | require mro; |
151 | constant->import( OLD_MRO => 0 ); |
296248c3 |
152 | *DBIx::Class::_Util::get_real_pkg_gen = \&mro::get_pkg_gen; |
37873f78 |
153 | } |
4b1b44c1 |
154 | |
155 | # Both of these are no longer used for anything. However bring |
156 | # them back after they were purged in 08a8d8f1, as there appear |
157 | # to be outfits with *COPY PASTED* pieces of lib/DBIx/Class/Storage/* |
158 | # in their production codebases. There is no point in breaking these |
159 | # if whatever they used actually continues to work |
4b1b44c1 |
160 | my $sigh = sub { |
c40b5744 |
161 | DBIx::Class::_Util::emit_loud_diag( |
162 | skip_frames => 1, |
163 | msg => "The @{[ (caller(1))[3] ]} constant is no more - adjust your code" |
164 | ); |
4b1b44c1 |
165 | |
166 | 0; |
167 | }; |
168 | sub DBICTEST () { &$sigh } |
169 | sub PEEPEENESS () { &$sigh } |
37873f78 |
170 | } |
171 | |
3605497b |
172 | use constant SPURIOUS_VERSION_CHECK_WARNINGS => ( DBIx::Class::_ENV_::PERL_VERSION < 5.010 ? 1 : 0); |
173 | |
841efcb3 |
174 | # FIXME - this is not supposed to be here |
175 | # Carp::Skip to the rescue soon |
176 | use DBIx::Class::Carp '^DBIx::Class|^DBICTest'; |
177 | |
b78ed1e4 |
178 | # Ensure it is always there, in case we need to do a $schema-less throw() |
179 | use DBIx::Class::Exception (); |
180 | |
d7d45bdc |
181 | use B (); |
841efcb3 |
182 | use Carp 'croak'; |
d7d45bdc |
183 | use Storable 'nfreeze'; |
3d56e026 |
184 | use Scalar::Util qw(weaken blessed reftype refaddr); |
514b84f6 |
185 | use Sub::Name (); |
296248c3 |
186 | use attributes (); |
7f9a3f70 |
187 | |
6de81918 |
188 | # Usually versions are not specified anywhere aside the Makefile.PL |
189 | # (writing them out in-code is extremely obnoxious) |
190 | # However without a recent enough Moo the quote_sub override fails |
191 | # in very puzzling and hard to detect ways: so add a version check |
192 | # just this once |
193 | use Sub::Quote qw(qsub); |
194 | BEGIN { Sub::Quote->VERSION('2.002002') } |
195 | |
1c30a2e4 |
196 | # Already correctly prototyped: perlbrew exec perl -MStorable -e 'warn prototype \&Storable::dclone' |
197 | BEGIN { *deep_clone = \&Storable::dclone } |
198 | |
b1dbf716 |
199 | use base 'Exporter'; |
3705e3b2 |
200 | our @EXPORT_OK = qw( |
d634850b |
201 | sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt |
77c3a5dc |
202 | fail_on_internal_wantarray fail_on_internal_call |
86a432d4 |
203 | refdesc refcount hrefaddr set_subname get_subname describe_class_methods |
c40b5744 |
204 | scope_guard detected_reinvoked_destructor emit_loud_diag |
293cb2f1 |
205 | true false |
e2741c7f |
206 | is_exception dbic_internal_try dbic_internal_catch visit_namespaces |
86be9bcb |
207 | quote_sub qsub perlstring serialize deep_clone dump_value uniq bag_eq |
439a7283 |
208 | parent_dir mkdir_p |
09d2e66a |
209 | UNRESOLVABLE_CONDITION DUMMY_ALIASPAIR |
3705e3b2 |
210 | ); |
052a832c |
211 | |
facd0e8e |
212 | use constant UNRESOLVABLE_CONDITION => \ '1 = 0'; |
213 | |
09d2e66a |
214 | use constant DUMMY_ALIASPAIR => ( |
215 | foreign_alias => "!!!\xFF()!!!_DUMMY_FOREIGN_ALIAS_SHOULD_NEVER_BE_SEEN_IN_USE_!!!()\xFF!!!", |
216 | self_alias => "!!!\xFE()!!!_DUMMY_SELF_ALIAS_SHOULD_NEVER_BE_SEEN_IN_USE_!!!()\xFE!!!", |
217 | ); |
218 | |
e85eb407 |
219 | # Override forcing no_defer, and adding naming consistency checks |
dc715747 |
220 | our %refs_closed_over_by_quote_sub_installed_crefs; |
e85eb407 |
221 | sub quote_sub { |
9642350a |
222 | Carp::confess( "Anonymous quoting not supported by the DBIC quote_sub override - supply a sub name" ) if |
e85eb407 |
223 | @_ < 2 |
224 | or |
225 | ! defined $_[1] |
226 | or |
227 | length ref $_[1] |
228 | ; |
229 | |
9642350a |
230 | Carp::confess( "The DBIC quote_sub override expects sub name '$_[0]' to be fully qualified" ) |
231 | unless (my $stash) = $_[0] =~ /^(.+)::/; |
232 | |
233 | Carp::confess( |
234 | "The DBIC sub_quote override does not support 'no_install'" |
235 | ) if ( |
236 | $_[3] |
237 | and |
238 | $_[3]->{no_install} |
239 | ); |
e85eb407 |
240 | |
9642350a |
241 | Carp::confess( |
242 | 'The DBIC quote_sub override expects the namespace-part of sub name ' |
243 | . "'$_[0]' to match the supplied package argument '$_[3]->{package}'" |
244 | ) if ( |
e85eb407 |
245 | $_[3] |
246 | and |
247 | defined $_[3]->{package} |
248 | and |
9642350a |
249 | $stash ne $_[3]->{package} |
250 | ); |
e85eb407 |
251 | |
252 | my @caller = caller(0); |
253 | my $sq_opts = { |
254 | package => $caller[0], |
255 | hints => $caller[8], |
256 | warning_bits => $caller[9], |
257 | hintshash => $caller[10], |
258 | %{ $_[3] || {} }, |
259 | |
260 | # explicitly forced for everything |
261 | no_defer => 1, |
262 | }; |
263 | |
dc715747 |
264 | weaken ( |
265 | # just use a growing counter, no need to perform neither compaction |
266 | # nor any special ithread-level handling |
267 | $refs_closed_over_by_quote_sub_installed_crefs |
268 | { scalar keys %refs_closed_over_by_quote_sub_installed_crefs } |
269 | = $_ |
270 | ) for grep { |
271 | length ref $_ |
272 | and |
273 | ( |
274 | ! DBIx::Class::_ENV_::BROKEN_WEAK_SCALARREF_VALUES |
275 | or |
276 | ref $_ ne 'SCALAR' |
277 | ) |
278 | } values %{ $_[2] || {} }; |
279 | |
9642350a |
280 | Sub::Quote::quote_sub( $_[0], $_[1], $_[2]||{}, $sq_opts ); |
e85eb407 |
281 | } |
282 | |
bf302897 |
283 | sub sigwarn_silencer ($) { |
052a832c |
284 | my $pattern = shift; |
285 | |
286 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
287 | |
288 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
289 | |
290 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
291 | } |
b1dbf716 |
292 | |
01b25f12 |
293 | sub perlstring ($) { q{"}. quotemeta( shift ). q{"} }; |
294 | |
3d56e026 |
295 | sub hrefaddr ($) { sprintf '0x%x', &refaddr||0 } |
8433421f |
296 | |
297 | sub refdesc ($) { |
298 | croak "Expecting a reference" if ! length ref $_[0]; |
299 | |
300 | # be careful not to trigger stringification, |
301 | # reuse @_ as a scratch-pad |
302 | sprintf '%s%s(0x%x)', |
303 | ( defined( $_[1] = blessed $_[0]) ? "$_[1]=" : '' ), |
304 | reftype $_[0], |
3d56e026 |
305 | refaddr($_[0]), |
8433421f |
306 | ; |
307 | } |
bf302897 |
308 | |
309 | sub refcount ($) { |
dac7972a |
310 | croak "Expecting a reference" if ! length ref $_[0]; |
311 | |
dac7972a |
312 | # No tempvars - must operate on $_[0], otherwise the pad |
313 | # will count as an extra ref |
314 | B::svref_2object($_[0])->REFCNT; |
315 | } |
316 | |
10be570e |
317 | sub visit_namespaces { |
318 | my $args = { (ref $_[0]) ? %{$_[0]} : @_ }; |
319 | |
320 | my $visited_count = 1; |
321 | |
322 | # A package and a namespace are subtly different things |
323 | $args->{package} ||= 'main'; |
324 | $args->{package} = 'main' if $args->{package} =~ /^ :: (?: main )? $/x; |
325 | $args->{package} =~ s/^:://; |
326 | |
327 | if ( $args->{action}->($args->{package}) ) { |
328 | my $ns = |
329 | ( ($args->{package} eq 'main') ? '' : $args->{package} ) |
330 | . |
331 | '::' |
332 | ; |
333 | |
334 | $visited_count += visit_namespaces( %$args, package => $_ ) for |
335 | grep |
336 | # this happens sometimes on %:: traversal |
337 | { $_ ne '::main' } |
338 | map |
339 | { $_ =~ /^(.+?)::$/ ? "$ns$1" : () } |
340 | do { no strict 'refs'; keys %$ns } |
341 | ; |
342 | } |
343 | |
344 | $visited_count; |
345 | } |
346 | |
86a432d4 |
347 | # FIXME In another life switch these to a polyfill like the ones in namespace::clean |
348 | sub get_subname ($) { |
349 | my $gv = B::svref_2object( $_[0] )->GV; |
350 | wantarray |
351 | ? ( $gv->STASH->NAME, $gv->NAME ) |
352 | : ( join '::', $gv->STASH->NAME, $gv->NAME ) |
353 | ; |
354 | } |
514b84f6 |
355 | sub set_subname ($$) { |
356 | |
357 | # fully qualify name |
358 | splice @_, 0, 1, caller(0) . "::$_[0]" |
359 | if $_[0] !~ /::|'/; |
360 | |
361 | &Sub::Name::subname; |
362 | } |
363 | |
b34d9331 |
364 | sub serialize ($) { |
d6c13bfd |
365 | # stable hash order |
b34d9331 |
366 | local $Storable::canonical = 1; |
d6c13bfd |
367 | |
368 | # explicitly false - there is nothing sensible that can come out of |
369 | # an attempt at CODE serialization |
370 | local $Storable::Deparse; |
371 | |
372 | # take no chances |
373 | local $Storable::forgive_me; |
374 | |
375 | # FIXME |
376 | # A number of codepaths *expect* this to be Storable.pm-based so that |
377 | # the STORABLE_freeze hooks in the metadata subtree get executed properly |
d7d45bdc |
378 | nfreeze($_[0]); |
b34d9331 |
379 | } |
380 | |
10be570e |
381 | sub uniq { |
382 | my( %seen, $seen_undef, $numeric_preserving_copy ); |
383 | grep { not ( |
384 | defined $_ |
385 | ? $seen{ $numeric_preserving_copy = $_ }++ |
386 | : $seen_undef++ |
387 | ) } @_; |
388 | } |
389 | |
86be9bcb |
390 | sub bag_eq ($$) { |
391 | croak "bag_eq() requiress two arrayrefs as arguments" if ( |
392 | ref($_[0]) ne 'ARRAY' |
393 | or |
394 | ref($_[1]) ne 'ARRAY' |
395 | ); |
396 | |
397 | return '' unless @{$_[0]} == @{$_[1]}; |
398 | |
399 | my( %seen, $numeric_preserving_copy ); |
400 | |
401 | ( defined $_ |
402 | ? $seen{'value' . ( $numeric_preserving_copy = $_ )}++ |
403 | : $seen{'undef'}++ |
404 | ) for @{$_[0]}; |
405 | |
406 | ( defined $_ |
407 | ? $seen{'value' . ( $numeric_preserving_copy = $_ )}-- |
408 | : $seen{'undef'}-- |
409 | ) for @{$_[1]}; |
410 | |
411 | return ( |
412 | (grep { $_ } values %seen) |
413 | ? '' |
414 | : 1 |
415 | ); |
416 | } |
417 | |
2d5ac3cf |
418 | my $dd_obj; |
8fc4291e |
419 | sub dump_value ($) { |
420 | local $Data::Dumper::Indent = 1 |
421 | unless defined $Data::Dumper::Indent; |
422 | |
2d5ac3cf |
423 | my $dump_str = ( |
8fc4291e |
424 | $dd_obj |
425 | ||= |
426 | do { |
427 | require Data::Dumper; |
428 | my $d = Data::Dumper->new([]) |
429 | ->Purity(0) |
430 | ->Pad('') |
431 | ->Useqq(1) |
432 | ->Terse(1) |
433 | ->Freezer('') |
434 | ->Quotekeys(0) |
435 | ->Bless('bless') |
436 | ->Pair(' => ') |
437 | ->Sortkeys(1) |
438 | ->Deparse(1) |
439 | ; |
440 | |
d6c13bfd |
441 | # FIXME - this is kinda ridiculous - there ought to be a |
442 | # Data::Dumper->new_with_defaults or somesuch... |
443 | # |
444 | if( modver_gt_or_eq ( 'Data::Dumper', '2.136' ) ) { |
445 | $d->Sparseseen(1); |
446 | |
447 | if( modver_gt_or_eq ( 'Data::Dumper', '2.153' ) ) { |
448 | $d->Maxrecurse(1000); |
449 | |
450 | if( modver_gt_or_eq ( 'Data::Dumper', '2.160' ) ) { |
451 | $d->Trailingcomma(1); |
452 | } |
453 | } |
454 | } |
8fc4291e |
455 | |
456 | $d; |
457 | } |
458 | )->Values([$_[0]])->Dump; |
459 | |
460 | $dd_obj->Reset->Values([]); |
461 | |
462 | $dump_str; |
463 | } |
464 | |
c40b5744 |
465 | my $seen_loud_screams; |
466 | sub emit_loud_diag { |
467 | my $args = { ref $_[0] eq 'HASH' ? %{$_[0]} : @_ }; |
468 | |
469 | unless ( defined $args->{msg} and length $args->{msg} ) { |
470 | emit_loud_diag( |
471 | msg => "No 'msg' value supplied to emit_loud_diag()" |
472 | ); |
473 | exit 70; |
474 | } |
475 | |
73f54e27 |
476 | my $msg = "\n" . join( ': ', |
477 | ( $0 eq '-e' ? () : $0 ), |
478 | $args->{msg} |
479 | ); |
c40b5744 |
480 | |
481 | # when we die - we usually want to keep doing it |
482 | $args->{emit_dups} = !!$args->{confess} |
483 | unless exists $args->{emit_dups}; |
484 | |
485 | local $Carp::CarpLevel = |
486 | ( $args->{skip_frames} || 0 ) |
487 | + |
488 | $Carp::CarpLevel |
489 | + |
490 | # hide our own frame |
491 | 1 |
492 | ; |
493 | |
494 | my $longmess = Carp::longmess(); |
495 | |
496 | # different object references will thwart deduplication without this |
497 | ( my $key = "${msg}\n${longmess}" ) =~ s/\b0x[0-9a-f]+\b/0x.../gi; |
498 | |
499 | return $seen_loud_screams->{$key} if |
500 | $seen_loud_screams->{$key}++ |
501 | and |
502 | ! $args->{emit_dups} |
503 | ; |
504 | |
505 | $msg .= $longmess |
506 | unless $msg =~ /\n\z/; |
507 | |
508 | print STDERR "$msg\n" |
509 | or |
510 | print STDOUT "\n!!!STDERR ISN'T WRITABLE!!!:$msg\n"; |
511 | |
512 | return $seen_loud_screams->{$key} |
513 | unless $args->{confess}; |
514 | |
515 | # increment *again*, because... Carp. |
516 | $Carp::CarpLevel++; |
517 | |
518 | # not $msg - Carp will reapply the longmess on its own |
519 | Carp::confess($args->{msg}); |
520 | } |
521 | |
522 | |
293cb2f1 |
523 | ### |
524 | ### This is *NOT* boolean.pm - deliberately not using a singleton |
525 | ### |
526 | { |
527 | package # hide from pause |
528 | DBIx::Class::_Util::_Bool; |
529 | use overload |
530 | bool => sub { ${$_[0]} }, |
531 | fallback => 1, |
532 | ; |
533 | } |
534 | sub true () { my $x = 1; bless \$x, "DBIx::Class::_Util::_Bool" } |
535 | sub false () { my $x = 0; bless \$x, "DBIx::Class::_Util::_Bool" } |
536 | |
bbf6a9a5 |
537 | sub scope_guard (&) { |
538 | croak 'Calling scope_guard() in void context makes no sense' |
539 | if ! defined wantarray; |
540 | |
541 | # no direct blessing of coderefs - DESTROY is buggy on those |
542 | bless [ $_[0] ], 'DBIx::Class::_Util::ScopeGuard'; |
543 | } |
544 | { |
545 | package # |
546 | DBIx::Class::_Util::ScopeGuard; |
547 | |
548 | sub DESTROY { |
549 | &DBIx::Class::_Util::detected_reinvoked_destructor; |
550 | |
551 | local $@ if DBIx::Class::_ENV_::UNSTABLE_DOLLARAT; |
552 | |
553 | eval { |
554 | $_[0]->[0]->(); |
555 | 1; |
118b2c36 |
556 | } |
557 | or |
c40b5744 |
558 | DBIx::Class::_Util::emit_loud_diag( |
559 | emit_dups => 1, |
560 | msg => "Execution of scope guard $_[0] resulted in the non-trappable exception:\n\n$@\n " |
118b2c36 |
561 | ); |
bbf6a9a5 |
562 | } |
563 | } |
564 | |
565 | |
841efcb3 |
566 | sub is_exception ($) { |
567 | my $e = $_[0]; |
568 | |
35cf7d1a |
569 | # FIXME |
a0414138 |
570 | # this is not strictly correct - an eval setting $@ to undef |
571 | # is *not* the same as an eval setting $@ to '' |
572 | # but for the sake of simplicity assume the following for |
573 | # the time being |
574 | return 0 unless defined $e; |
575 | |
841efcb3 |
576 | my ($not_blank, $suberror); |
577 | { |
5c33c8be |
578 | local $SIG{__DIE__} if $SIG{__DIE__}; |
841efcb3 |
579 | local $@; |
580 | eval { |
d52c4a75 |
581 | # The ne() here is deliberate - a plain length($e), or worse "$e" ne |
582 | # will entirely obviate the need for the encolsing eval{}, as the |
583 | # condition we guard against is a missing fallback overload |
584 | $not_blank = ( $e ne '' ); |
841efcb3 |
585 | 1; |
586 | } or $suberror = $@; |
587 | } |
588 | |
589 | if (defined $suberror) { |
590 | if (length (my $class = blessed($e) )) { |
591 | carp_unique( sprintf( |
9bea2000 |
592 | 'External exception class %s implements partial (broken) overloading ' |
593 | . 'preventing its instances from being used in simple ($x eq $y) ' |
841efcb3 |
594 | . 'comparisons. Given Perl\'s "globally cooperative" exception ' |
595 | . 'handling this type of brokenness is extremely dangerous on ' |
596 | . 'exception objects, as it may (and often does) result in silent ' |
597 | . '"exception substitution". DBIx::Class tries to work around this ' |
598 | . 'as much as possible, but other parts of your software stack may ' |
599 | . 'not be even aware of this. Please submit a bugreport against the ' |
600 | . 'distribution containing %s and in the meantime apply a fix similar ' |
601 | . 'to the one shown at %s, in order to ensure your exception handling ' |
602 | . 'is saner application-wide. What follows is the actual error text ' |
603 | . "as generated by Perl itself:\n\n%s\n ", |
9bea2000 |
604 | $class, |
841efcb3 |
605 | $class, |
606 | 'http://v.gd/DBIC_overload_tempfix/', |
607 | $suberror, |
608 | )); |
609 | |
610 | # workaround, keeps spice flowing |
d52c4a75 |
611 | $not_blank = !!( length $e ); |
841efcb3 |
612 | } |
613 | else { |
614 | # not blessed yet failed the 'ne'... this makes 0 sense... |
615 | # just throw further |
616 | die $suberror |
617 | } |
618 | } |
84e4e006 |
619 | elsif ( |
620 | # a ref evaluating to '' is definitively a "null object" |
621 | ( not $not_blank ) |
622 | and |
623 | length( my $class = ref $e ) |
624 | ) { |
c40b5744 |
625 | carp_unique( |
626 | "Objects of external exception class '$class' stringify to '' (the " |
84e4e006 |
627 | . 'empty string), implementing the so called null-object-pattern. ' |
628 | . 'Given Perl\'s "globally cooperative" exception handling using this ' |
629 | . 'class of exceptions is extremely dangerous, as it may (and often ' |
630 | . 'does) result in silent discarding of errors. DBIx::Class tries to ' |
631 | . 'work around this as much as possible, but other parts of your ' |
632 | . 'software stack may not be even aware of the problem. Please submit ' |
c40b5744 |
633 | . "a bugreport against the distribution containing '$class'", |
634 | ); |
84e4e006 |
635 | |
636 | $not_blank = 1; |
637 | } |
841efcb3 |
638 | |
639 | return $not_blank; |
640 | } |
641 | |
3d56e026 |
642 | { |
ddcc02d1 |
643 | my $callstack_state; |
644 | |
e2741c7f |
645 | # Recreate the logic of Try::Tiny, but without the crazy Sub::Name |
646 | # invocations and without support for finally() altogether |
647 | # ( yes, these days Try::Tiny is so "tiny" it shows *ON TOP* of most |
648 | # random profiles https://youtu.be/PYCbumw0Fis?t=1919 ) |
ddcc02d1 |
649 | sub dbic_internal_try (&;@) { |
650 | |
651 | my $try_cref = shift; |
652 | my $catch_cref = undef; # apparently this is a thing... https://rt.perl.org/Public/Bug/Display.html?id=119311 |
653 | |
654 | for my $arg (@_) { |
655 | |
e2741c7f |
656 | croak 'dbic_internal_try() may not be followed by multiple dbic_internal_catch() blocks' |
657 | if $catch_cref; |
ddcc02d1 |
658 | |
e2741c7f |
659 | ($catch_cref = $$arg), next |
660 | if ref($arg) eq 'DBIx::Class::_Util::Catch'; |
ddcc02d1 |
661 | |
e2741c7f |
662 | croak( 'Mixing dbic_internal_try() with Try::Tiny::catch() is not supported' ) |
663 | if ref($arg) eq 'Try::Tiny::Catch'; |
664 | |
665 | croak( 'dbic_internal_try() does not support finally{}' ) |
666 | if ref($arg) eq 'Try::Tiny::Finally'; |
667 | |
668 | croak( |
669 | 'dbic_internal_try() encountered an unexpected argument ' |
670 | . "'@{[ defined $arg ? $arg : 'UNDEF' ]}' - perhaps " |
671 | . 'a missing semi-colon before or ' # trailing space important |
672 | ); |
ddcc02d1 |
673 | } |
674 | |
675 | my $wantarray = wantarray; |
676 | my $preexisting_exception = $@; |
677 | |
678 | my @ret; |
e2741c7f |
679 | my $saul_goodman = eval { |
ddcc02d1 |
680 | $@ = $preexisting_exception; |
681 | |
682 | local $callstack_state->{in_internal_try} = 1 |
683 | unless $callstack_state->{in_internal_try}; |
684 | |
685 | # always unset - someone may have snuck it in |
5c33c8be |
686 | local $SIG{__DIE__} if $SIG{__DIE__}; |
ddcc02d1 |
687 | |
688 | if( $wantarray ) { |
689 | @ret = $try_cref->(); |
690 | } |
691 | elsif( defined $wantarray ) { |
692 | $ret[0] = $try_cref->(); |
693 | } |
694 | else { |
695 | $try_cref->(); |
696 | } |
697 | |
698 | 1; |
699 | }; |
700 | |
701 | my $exception = $@; |
702 | $@ = $preexisting_exception; |
703 | |
e2741c7f |
704 | if ( $saul_goodman ) { |
ddcc02d1 |
705 | return $wantarray ? @ret : $ret[0] |
706 | } |
707 | elsif ( $catch_cref ) { |
708 | for ( $exception ) { |
709 | return $catch_cref->($exception); |
710 | } |
711 | } |
712 | |
713 | return; |
714 | } |
715 | |
e2741c7f |
716 | sub dbic_internal_catch (&;@) { |
717 | |
718 | croak( 'Useless use of bare dbic_internal_catch()' ) |
719 | unless wantarray; |
720 | |
721 | croak( 'dbic_internal_catch() must receive exactly one argument at end of expression' ) |
722 | if @_ > 1; |
723 | |
724 | bless( |
725 | \( $_[0] ), |
726 | 'DBIx::Class::_Util::Catch' |
727 | ), |
728 | } |
729 | |
730 | sub in_internal_try () { |
731 | !! $callstack_state->{in_internal_try} |
732 | } |
ddcc02d1 |
733 | } |
734 | |
735 | { |
3d56e026 |
736 | my $destruction_registry = {}; |
737 | |
04c1a070 |
738 | sub DBIx::Class::__Util_iThreads_handler__::CLONE { |
d098704f |
739 | %$destruction_registry = map { |
740 | (defined $_) |
741 | ? ( refaddr($_) => $_ ) |
742 | : () |
743 | } values %$destruction_registry; |
d52fc26d |
744 | |
d098704f |
745 | weaken($_) for values %$destruction_registry; |
29211e03 |
746 | |
d52fc26d |
747 | # Dummy NEXTSTATE ensuring the all temporaries on the stack are garbage |
748 | # collected before leaving this scope. Depending on the code above, this |
749 | # may very well be just a preventive measure guarding future modifications |
750 | undef; |
3d56e026 |
751 | } |
752 | |
753 | # This is almost invariably invoked from within DESTROY |
754 | # throwing exceptions won't work |
e1d9e578 |
755 | sub detected_reinvoked_destructor { |
3d56e026 |
756 | |
757 | # quick "garbage collection" pass - prevents the registry |
758 | # from slowly growing with a bunch of undef-valued keys |
759 | defined $destruction_registry->{$_} or delete $destruction_registry->{$_} |
760 | for keys %$destruction_registry; |
761 | |
e1d9e578 |
762 | if (! length ref $_[0]) { |
c40b5744 |
763 | emit_loud_diag( |
764 | emit_dups => 1, |
765 | msg => (caller(0))[3] . '() expects a blessed reference' |
766 | ); |
3d56e026 |
767 | return undef; # don't know wtf to do |
768 | } |
e1d9e578 |
769 | elsif (! defined $destruction_registry->{ my $addr = refaddr($_[0]) } ) { |
3d56e026 |
770 | weaken( $destruction_registry->{$addr} = $_[0] ); |
771 | return 0; |
772 | } |
773 | else { |
c40b5744 |
774 | emit_loud_diag( msg => sprintf ( |
3d56e026 |
775 | 'Preventing *MULTIPLE* DESTROY() invocations on %s - an *EXTREMELY ' |
776 | . 'DANGEROUS* condition which is *ALMOST CERTAINLY GLOBAL* within your ' |
777 | . 'application, affecting *ALL* classes without active protection against ' |
778 | . 'this. Diagnose and fix the root cause ASAP!!!%s', |
779 | refdesc $_[0], |
780 | ( ( $INC{'Devel/StackTrace.pm'} and ! do { local $@; eval { Devel::StackTrace->VERSION(2) } } ) |
781 | ? " (likely culprit Devel::StackTrace\@@{[ Devel::StackTrace->VERSION ]} found in %INC, http://is.gd/D_ST_refcap)" |
782 | : '' |
783 | ) |
784 | )); |
785 | |
786 | return 1; |
787 | } |
788 | } |
789 | } |
790 | |
7302b3e0 |
791 | my $module_name_rx = qr/ \A [A-Z_a-z] [0-9A-Z_a-z]* (?: :: [0-9A-Z_a-z]+ )* \z /x; |
792 | my $ver_rx = qr/ \A [0-9]+ (?: \. [0-9]+ )* (?: \_ [0-9]+ )* \z /x; |
793 | |
bf302897 |
794 | sub modver_gt_or_eq ($$) { |
b1dbf716 |
795 | my ($mod, $ver) = @_; |
796 | |
797 | croak "Nonsensical module name supplied" |
7302b3e0 |
798 | if ! defined $mod or $mod !~ $module_name_rx; |
b1dbf716 |
799 | |
800 | croak "Nonsensical minimum version supplied" |
7302b3e0 |
801 | if ! defined $ver or $ver !~ $ver_rx; |
802 | |
d6c13bfd |
803 | my $ver_cache = do { |
804 | no strict 'refs'; |
805 | ${"${mod}::__DBIC_MODULE_VERSION_CHECKS__"} ||= {} |
806 | }; |
7302b3e0 |
807 | |
808 | ! defined $ver_cache->{$ver} |
809 | and |
810 | $ver_cache->{$ver} = do { |
b1dbf716 |
811 | |
7302b3e0 |
812 | local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ ) |
813 | if SPURIOUS_VERSION_CHECK_WARNINGS; |
b1dbf716 |
814 | |
d6c13bfd |
815 | # prevent captures by potential __WARN__ hooks or the like: |
816 | # there is nothing of value that can be happening here, and |
817 | # leaving a hook in-place can only serve to fail some test |
818 | local $SIG{__WARN__} if ( |
819 | ! SPURIOUS_VERSION_CHECK_WARNINGS |
820 | and |
821 | $SIG{__WARN__} |
822 | ); |
823 | |
824 | croak "$mod does not seem to provide a version (perhaps it never loaded)" |
825 | unless $mod->VERSION; |
826 | |
5c33c8be |
827 | local $SIG{__DIE__} if $SIG{__DIE__}; |
7302b3e0 |
828 | local $@; |
7302b3e0 |
829 | eval { $mod->VERSION($ver) } ? 1 : 0; |
830 | }; |
56270bba |
831 | |
7302b3e0 |
832 | $ver_cache->{$ver}; |
b1dbf716 |
833 | } |
834 | |
d634850b |
835 | sub modver_gt_or_eq_and_lt ($$$) { |
836 | my ($mod, $v_ge, $v_lt) = @_; |
837 | |
838 | croak "Nonsensical maximum version supplied" |
7302b3e0 |
839 | if ! defined $v_lt or $v_lt !~ $ver_rx; |
d634850b |
840 | |
841 | return ( |
842 | modver_gt_or_eq($mod, $v_ge) |
843 | and |
844 | ! modver_gt_or_eq($mod, $v_lt) |
845 | ) ? 1 : 0; |
846 | } |
847 | |
296248c3 |
848 | { |
296248c3 |
849 | |
850 | sub describe_class_methods { |
8eac247d |
851 | my $args = ( |
852 | ref $_[0] eq 'HASH' ? $_[0] |
853 | : ( @_ == 1 and ! length ref $_[0] ) ? { class => $_[0] } |
854 | : { @_ } |
855 | ); |
856 | |
857 | my ($class, $requested_mro) = @{$args}{qw( class use_mro )}; |
296248c3 |
858 | |
8eac247d |
859 | croak "Expecting a class name either as the sole argument or a 'class' option" |
5e67be26 |
860 | if not defined $class or $class !~ $module_name_rx; |
296248c3 |
861 | |
5f0174dc |
862 | croak( |
863 | "The supplied 'class' argument is tainted: this is *extremely* " |
864 | . 'dangerous, fix your code ASAP!!! ( for more details read through ' |
865 | . 'https://is.gd/perl_mro_taint_wtf )' |
866 | ) if ( |
867 | DBIx::Class::_ENV_::TAINT_MODE |
868 | and |
869 | Scalar::Util::tainted($class) |
870 | ); |
871 | |
1cf2ad8b |
872 | $requested_mro ||= mro::get_mro($class); |
873 | |
874 | # mro::set_mro() does not bump pkg_gen - WHAT THE FUCK?! |
875 | my $query_cache_key = "$class|$requested_mro"; |
876 | |
953f8eb0 |
877 | my $internal_cache_key = |
1cf2ad8b |
878 | ( mro::get_mro($class) eq $requested_mro ) |
879 | ? $class |
880 | : $query_cache_key |
881 | ; |
882 | |
296248c3 |
883 | # use a cache on old MRO, since while we are recursing in this function |
884 | # nothing can possibly change (the speedup is immense) |
885 | # (yes, people could be tie()ing the stash and adding methods on access |
886 | # but there is a limit to how much crazy can be supported here) |
887 | # |
888 | # we use the cache for linear_isa lookups on new MRO as well - it adds |
889 | # a *tiny* speedup, and simplifies the code a lot |
890 | # |
953f8eb0 |
891 | local $__describe_class_query_cache->{'!internal!'} = {} |
892 | unless $__describe_class_query_cache->{'!internal!'}; |
296248c3 |
893 | |
894 | my $my_gen = 0; |
895 | |
d01688cc |
896 | $my_gen += get_real_pkg_gen($_) for ( my @full_ISA = ( |
897 | |
898 | @{ |
953f8eb0 |
899 | $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa} |
296248c3 |
900 | ||= |
1cf2ad8b |
901 | mro::get_linear_isa($class, $requested_mro) |
d01688cc |
902 | }, |
903 | |
904 | (( |
953f8eb0 |
905 | $__describe_class_query_cache->{'!internal!'}{$class}{is_universal} |
d01688cc |
906 | ||= |
907 | mro::is_universal($class) |
908 | ) ? () : @{ |
953f8eb0 |
909 | $__describe_class_query_cache->{'!internal!'}{UNIVERSAL}{linear_isa} |
d01688cc |
910 | ||= |
911 | mro::get_linear_isa("UNIVERSAL") |
912 | }), |
913 | |
914 | )); |
296248c3 |
915 | |
953f8eb0 |
916 | my $slot = $__describe_class_query_cache->{$query_cache_key} ||= {}; |
296248c3 |
917 | |
918 | unless ( ($slot->{cumulative_gen}||0) == $my_gen ) { |
919 | |
920 | # reset |
921 | %$slot = ( |
922 | class => $class, |
2603b495 |
923 | isa => { map { $_ => 1 } @full_ISA }, |
924 | linear_isa => [ |
953f8eb0 |
925 | @{ $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa} } |
926 | [ 1 .. $#{$__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa}} ] |
d01688cc |
927 | ], |
296248c3 |
928 | mro => { |
1cf2ad8b |
929 | type => $requested_mro, |
930 | is_c3 => ( ($requested_mro eq 'c3') ? 1 : 0 ), |
296248c3 |
931 | }, |
932 | cumulative_gen => $my_gen, |
933 | ); |
296248c3 |
934 | |
2603b495 |
935 | # remove ourselves from ISA |
936 | shift @full_ISA; |
937 | |
296248c3 |
938 | # ensure the cache is populated for the parents, code below can then |
939 | # efficiently operate over the query_cache directly |
d01688cc |
940 | describe_class_methods($_) for reverse @full_ISA; |
296248c3 |
941 | |
296248c3 |
942 | no strict 'refs'; |
943 | |
944 | # combine full ISA-order inherited and local method list into a |
945 | # "shadowing stack" |
946 | |
947 | ( |
085dbdd6 |
948 | unshift @{ $slot->{methods}{$_->{name}} }, $_ |
296248c3 |
949 | |
950 | and |
951 | |
085dbdd6 |
952 | ( |
953 | $_->{via_class} ne $class |
954 | or |
955 | $slot->{methods_defined_in_class}{$_->{name}} = $_ |
956 | ) |
296248c3 |
957 | |
958 | and |
959 | |
960 | @{ $slot->{methods}{$_->{name}} } > 1 |
961 | |
962 | and |
963 | |
964 | $slot->{methods_with_supers}{$_->{name}} = $slot->{methods}{$_->{name}} |
965 | |
966 | ) for ( |
967 | |
d01688cc |
968 | # what describe_class_methods for @full_ISA produced above |
085dbdd6 |
969 | ( map { values %{ |
953f8eb0 |
970 | $__describe_class_query_cache->{$_}{methods_defined_in_class} || {} |
1cf2ad8b |
971 | } } map { "$_|" . mro::get_mro($_) } reverse @full_ISA ), |
296248c3 |
972 | |
973 | # our own non-cleaned subs + their attributes |
974 | ( map { |
975 | ( |
1c179556 |
976 | # need to account for dummy helper crefs under OLD_MRO |
296248c3 |
977 | ( |
1c179556 |
978 | ! DBIx::Class::_ENV_::OLD_MRO |
296248c3 |
979 | or |
1c179556 |
980 | ! ( ( $Class::C3::MRO{$class} || {} )->{methods}{$_} ) |
296248c3 |
981 | ) |
982 | and |
1c179556 |
983 | # these 2 OR-ed checks are sufficient for 5.10+ |
296248c3 |
984 | ( |
1c179556 |
985 | ref(\ "${class}::"->{$_} ) ne 'GLOB' |
296248c3 |
986 | or |
1c179556 |
987 | defined( *{ "${class}::"->{$_} }{CODE} ) |
296248c3 |
988 | ) |
989 | ) ? { |
990 | via_class => $class, |
991 | name => $_, |
92705f7f |
992 | attributes => { map { $_ => 1 } do { |
993 | my @attrs; |
994 | local $@; |
995 | local $SIG{__DIE__} if $SIG{__DIE__}; |
996 | # attributes::get may throw on blessed-false crefs :/ |
997 | eval { @attrs = attributes::get( \&{"${class}::${_}"} ); 1 } |
998 | or warn "Unable to determine attributes of the \\&${class}::$_ method due to following error: $@"; |
999 | @attrs; |
1000 | } }, |
296248c3 |
1001 | } |
1002 | : () |
1003 | } keys %{"${class}::"} ) |
1004 | ); |
1005 | |
1006 | |
1007 | # recalculate the pkg_gen on newer perls under Taint mode, |
1008 | # because of shit like: |
1009 | # perl -T -Mmro -e 'package Foo; sub bar {}; defined( *{ "Foo::"->{bar}}{CODE} ) and warn mro::get_pkg_gen("Foo") for (1,2,3)' |
1010 | # |
1011 | if ( |
1012 | ! DBIx::Class::_ENV_::OLD_MRO |
1013 | and |
5f0174dc |
1014 | DBIx::Class::_ENV_::TAINT_MODE |
296248c3 |
1015 | ) { |
1016 | |
1017 | $slot->{cumulative_gen} = 0; |
1018 | $slot->{cumulative_gen} += get_real_pkg_gen($_) |
d01688cc |
1019 | for $class, @full_ISA; |
296248c3 |
1020 | } |
1021 | } |
1022 | |
1023 | # RV |
1024 | +{ %$slot }; |
1025 | } |
1026 | } |
1027 | |
e3be2b6f |
1028 | |
1029 | # |
1030 | # Why not just use some higher-level module or at least File::Spec here? |
1031 | # Because: |
1032 | # 1) This is a *very* rarely used function, and the deptree is large |
1033 | # enough already as it is |
1034 | # |
1035 | # 2) (more importantly) Our tooling is utter shit in this area. There |
1036 | # is no comprehensive support for UNC paths in PathTools and there |
1037 | # are also various small bugs in representation across different |
1038 | # path-manipulation CPAN offerings. |
1039 | # |
1040 | # Since this routine is strictly used for logical path processing (it |
1041 | # *must* be able to work with not-yet-existing paths), use this seemingly |
1042 | # simple but I *think* complete implementation to feed to other consumers |
1043 | # |
1044 | # If bugs are ever uncovered in this routine, *YOU ARE URGED TO RESIST* |
1045 | # the impulse to bring in an external dependency. During runtime there |
1046 | # is exactly one spot that could potentially maybe once in a blue moon |
1047 | # use this function. Keep it lean. |
1048 | # |
1049 | sub parent_dir ($) { |
1050 | ( $_[0] =~ m{ [\/\\] ( \.{0,2} ) ( [\/\\]* ) \z }x ) |
1051 | ? ( |
1052 | $_[0] |
1053 | . |
1054 | ( ( length($1) and ! length($2) ) ? '/' : '' ) |
1055 | . |
1056 | '../' |
1057 | ) |
1058 | : ( |
1059 | require File::Spec |
1060 | and |
1061 | File::Spec->catpath ( |
1062 | ( File::Spec->splitpath( "$_[0]" ) )[0,1], |
1063 | '/', |
1064 | ) |
1065 | ) |
1066 | ; |
1067 | } |
1068 | |
439a7283 |
1069 | sub mkdir_p ($) { |
1070 | require File::Path; |
1071 | # do not ask for a recent version, use 1.x API calls |
1072 | File::Path::mkpath([ "$_[0]" ]); # File::Path does not like objects |
1073 | } |
1074 | |
e3be2b6f |
1075 | |
a9da9b6a |
1076 | { |
1077 | my $list_ctx_ok_stack_marker; |
1078 | |
e89c7968 |
1079 | sub fail_on_internal_wantarray () { |
a9da9b6a |
1080 | return if $list_ctx_ok_stack_marker; |
1081 | |
1082 | if (! defined wantarray) { |
1083 | croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard'); |
1084 | } |
1085 | |
1086 | my $cf = 1; |
821edc09 |
1087 | while ( ( (CORE::caller($cf+1))[3] || '' ) =~ / :: (?: |
a9da9b6a |
1088 | |
1089 | # these are public API parts that alter behavior on wantarray |
1090 | search | search_related | slice | search_literal |
1091 | |
1092 | | |
1093 | |
1094 | # these are explicitly prefixed, since we only recognize them as valid |
1095 | # escapes when they come from the guts of CDBICompat |
1096 | CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all ) |
1097 | |
1098 | ) $/x ) { |
1099 | $cf++; |
1100 | } |
1101 | |
e89c7968 |
1102 | my ($fr, $want, $argdesc); |
1103 | { |
1104 | package DB; |
821edc09 |
1105 | $fr = [ CORE::caller($cf) ]; |
1106 | $want = ( CORE::caller($cf-1) )[5]; |
e89c7968 |
1107 | $argdesc = ref $DB::args[0] |
1108 | ? DBIx::Class::_Util::refdesc($DB::args[0]) |
1109 | : 'non ' |
1110 | ; |
1111 | }; |
1112 | |
a9da9b6a |
1113 | if ( |
e89c7968 |
1114 | $want and $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
a9da9b6a |
1115 | ) { |
a9da9b6a |
1116 | DBIx::Class::Exception->throw( sprintf ( |
e89c7968 |
1117 | "Improper use of %s instance in list context at %s line %d\n\n Stacktrace starts", |
1118 | $argdesc, @{$fr}[1,2] |
a9da9b6a |
1119 | ), 'with_stacktrace'); |
1120 | } |
1121 | |
d098704f |
1122 | weaken( $list_ctx_ok_stack_marker = my $mark = [] ); |
1123 | |
a9da9b6a |
1124 | $mark; |
1125 | } |
1126 | } |
1127 | |
77c3a5dc |
1128 | sub fail_on_internal_call { |
1129 | my ($fr, $argdesc); |
1130 | { |
1131 | package DB; |
821edc09 |
1132 | $fr = [ CORE::caller(1) ]; |
e570488a |
1133 | $argdesc = |
1134 | ( not defined $DB::args[0] ) ? 'UNAVAILABLE' |
1135 | : ( length ref $DB::args[0] ) ? DBIx::Class::_Util::refdesc($DB::args[0]) |
1136 | : $DB::args[0] . '' |
77c3a5dc |
1137 | ; |
1138 | }; |
1139 | |
3b020224 |
1140 | my @fr2; |
1141 | # need to make allowance for a proxy-yet-direct call |
1142 | my $check_fr = ( |
1143 | $fr->[0] eq 'DBIx::Class::ResultSourceProxy' |
1144 | and |
1145 | @fr2 = (CORE::caller(2)) |
1146 | and |
1147 | ( |
1148 | ( $fr->[3] =~ /([^:])+$/ )[0] |
1149 | eq |
1150 | ( $fr2[3] =~ /([^:])+$/ )[0] |
1151 | ) |
1152 | ) |
1153 | ? \@fr2 |
1154 | : $fr |
1155 | ; |
1156 | |
1b822bd3 |
1157 | |
1158 | die "\nMethod $fr->[3] is not marked with the 'DBIC_method_is_indirect_sugar' attribute\n\n" unless ( |
1159 | |
1160 | # unlikely but who knows... |
1161 | ! @$fr |
1162 | |
1163 | or |
1164 | |
1165 | # This is a weird-ass double-purpose method, only one branch of which is marked |
1166 | # as an illegal indirect call |
1167 | # Hence the 'indirect' attribute makes no sense |
1168 | # FIXME - likely need to mark this in some other manner |
1169 | $fr->[3] eq 'DBIx::Class::ResultSet::new' |
1170 | |
1171 | or |
1172 | |
1173 | # RsrcProxy stuff is special and not attr-annotated on purpose |
1174 | # Yet it is marked (correctly) as fail_on_internal_call(), as DBIC |
1175 | # itself should not call these methods as first-entry |
1176 | $fr->[3] =~ /^DBIx::Class::ResultSourceProxy::[^:]+$/ |
1177 | |
1178 | or |
1179 | |
1180 | # FIXME - there is likely a more fine-graned way to escape "foreign" |
1181 | # callers, based on annotations... (albeit a slower one) |
1182 | # For the time being just skip in a dumb way |
1183 | $fr->[3] !~ /^DBIx::Class|^DBICx::|^DBICTest::/ |
1184 | |
1185 | or |
1186 | |
1187 | grep |
1188 | { $_ eq 'DBIC_method_is_indirect_sugar' } |
1189 | do { no strict 'refs'; attributes::get( \&{ $fr->[3] }) } |
1190 | ); |
1191 | |
1192 | |
77c3a5dc |
1193 | if ( |
e570488a |
1194 | defined $fr->[0] |
77c3a5dc |
1195 | and |
3b020224 |
1196 | $check_fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
77c3a5dc |
1197 | and |
3b020224 |
1198 | $check_fr->[1] !~ /\b(?:CDBICompat|ResultSetProxy)\b/ # no point touching there |
77c3a5dc |
1199 | ) { |
1200 | DBIx::Class::Exception->throw( sprintf ( |
e5053694 |
1201 | "Illegal internal call of indirect proxy-method %s() with argument '%s': examine the last lines of the proxy method deparse below to determine what to call directly instead at %s on line %d\n\n%s\n\n Stacktrace starts", |
77c3a5dc |
1202 | $fr->[3], $argdesc, @{$fr}[1,2], ( $fr->[6] || do { |
1203 | require B::Deparse; |
1204 | no strict 'refs'; |
1205 | B::Deparse->new->coderef2text(\&{$fr->[3]}) |
1206 | }), |
1207 | ), 'with_stacktrace'); |
1208 | } |
1209 | } |
1210 | |
534aff61 |
1211 | if (DBIx::Class::_ENV_::ASSERT_NO_ERRONEOUS_METAINSTANCE_USE) { |
1212 | |
1213 | no warnings 'redefine'; |
1214 | |
1215 | my $next_bless = defined(&CORE::GLOBAL::bless) |
1216 | ? \&CORE::GLOBAL::bless |
1217 | : sub { CORE::bless($_[0], $_[1]) } |
1218 | ; |
1219 | |
1220 | *CORE::GLOBAL::bless = sub { |
1221 | my $class = (@_ > 1) ? $_[1] : CORE::caller(); |
1222 | |
1223 | # allow for reblessing (role application) |
1224 | return $next_bless->( $_[0], $class ) |
1225 | if defined blessed $_[0]; |
1226 | |
1227 | my $obj = $next_bless->( $_[0], $class ); |
1228 | |
1229 | my $calling_sub = (CORE::caller(1))[3] || ''; |
1230 | |
1231 | ( |
1232 | # before 5.18 ->isa() will choke on the "0" package |
1233 | # which we test for in several obscure cases, sigh... |
1234 | !( DBIx::Class::_ENV_::PERL_VERSION < 5.018 ) |
1235 | or |
1236 | $class |
1237 | ) |
1238 | and |
1239 | ( |
1240 | ( |
1241 | $calling_sub !~ /^ (?: |
1242 | DBIx::Class::Schema::clone |
1243 | | |
1244 | DBIx::Class::DB::setup_schema_instance |
1245 | )/x |
1246 | and |
1247 | $class->isa("DBIx::Class::Schema") |
1248 | ) |
1249 | or |
1250 | ( |
1251 | $calling_sub ne 'DBIx::Class::ResultSource::new' |
1252 | and |
1253 | $class->isa("DBIx::Class::ResultSource") |
1254 | ) |
1255 | ) |
1256 | and |
1257 | local $Carp::CarpLevel = $Carp::CarpLevel + 1 |
1258 | and |
1259 | Carp::confess("Improper instantiation of '$obj': you *MUST* call the corresponding constructor"); |
1260 | |
1261 | |
1262 | $obj; |
1263 | }; |
1264 | } |
1265 | |
b1dbf716 |
1266 | 1; |