Commit | Line | Data |
b1dbf716 |
1 | package # hide from PAUSE |
2 | DBIx::Class::_Util; |
3 | |
399b9455 |
4 | use DBIx::Class::StartupCheck; # load es early as we can, usually a noop |
5 | |
b1dbf716 |
6 | use warnings; |
7 | use strict; |
8 | |
750a4ad2 |
9 | use constant SPURIOUS_VERSION_CHECK_WARNINGS => ( "$]" < 5.010 ? 1 : 0); |
b1dbf716 |
10 | |
37873f78 |
11 | BEGIN { |
12 | package # hide from pause |
13 | DBIx::Class::_ENV_; |
14 | |
15 | use Config; |
16 | |
17 | use constant { |
18 | |
19 | # but of course |
20 | BROKEN_FORK => ($^O eq 'MSWin32') ? 1 : 0, |
21 | |
750a4ad2 |
22 | BROKEN_GOTO => ( "$]" < 5.008003 ) ? 1 : 0, |
8d73fcd4 |
23 | |
37873f78 |
24 | HAS_ITHREADS => $Config{useithreads} ? 1 : 0, |
25 | |
bbf6a9a5 |
26 | UNSTABLE_DOLLARAT => ( "$]" < 5.013002 ) ? 1 : 0, |
27 | |
db83437e |
28 | ( map |
29 | # |
30 | # the "DBIC_" prefix below is crucial - this is what makes CI pick up |
31 | # all envvars without further adjusting its scripts |
32 | # DO NOT CHANGE to the more logical { $_ => !!( $ENV{"DBIC_$_"} ) } |
33 | # |
34 | { substr($_, 5) => !!( $ENV{$_} ) } |
35 | qw( |
36 | DBIC_SHUFFLE_UNORDERED_RESULTSETS |
37 | DBIC_ASSERT_NO_INTERNAL_WANTARRAY |
38 | DBIC_ASSERT_NO_INTERNAL_INDIRECT_CALLS |
39 | DBIC_STRESSTEST_UTF8_UPGRADE_GENERATED_COLLAPSER_SOURCE |
40 | DBIC_STRESSTEST_COLUMN_INFO_UNAWARE_STORAGE |
41 | ) |
42 | ), |
f45dc928 |
43 | |
37873f78 |
44 | IV_SIZE => $Config{ivsize}, |
00882d2c |
45 | |
46 | OS_NAME => $^O, |
37873f78 |
47 | }; |
48 | |
750a4ad2 |
49 | if ( "$]" < 5.009_005) { |
37873f78 |
50 | require MRO::Compat; |
51 | constant->import( OLD_MRO => 1 ); |
52 | } |
53 | else { |
54 | require mro; |
55 | constant->import( OLD_MRO => 0 ); |
56 | } |
4b1b44c1 |
57 | |
58 | # Both of these are no longer used for anything. However bring |
59 | # them back after they were purged in 08a8d8f1, as there appear |
60 | # to be outfits with *COPY PASTED* pieces of lib/DBIx/Class/Storage/* |
61 | # in their production codebases. There is no point in breaking these |
62 | # if whatever they used actually continues to work |
63 | my $warned; |
64 | my $sigh = sub { |
65 | |
66 | require Carp; |
67 | my $cluck = "The @{[ (caller(1))[3] ]} constant is no more - adjust your code" . Carp::longmess(); |
68 | |
69 | warn $cluck unless $warned->{$cluck}++; |
70 | |
71 | 0; |
72 | }; |
73 | sub DBICTEST () { &$sigh } |
74 | sub PEEPEENESS () { &$sigh } |
37873f78 |
75 | } |
76 | |
841efcb3 |
77 | # FIXME - this is not supposed to be here |
78 | # Carp::Skip to the rescue soon |
79 | use DBIx::Class::Carp '^DBIx::Class|^DBICTest'; |
80 | |
d7d45bdc |
81 | use B (); |
841efcb3 |
82 | use Carp 'croak'; |
d7d45bdc |
83 | use Storable 'nfreeze'; |
3d56e026 |
84 | use Scalar::Util qw(weaken blessed reftype refaddr); |
e85eb407 |
85 | use Sub::Quote qw(qsub); |
514b84f6 |
86 | use Sub::Name (); |
7f9a3f70 |
87 | |
1c30a2e4 |
88 | # Already correctly prototyped: perlbrew exec perl -MStorable -e 'warn prototype \&Storable::dclone' |
89 | BEGIN { *deep_clone = \&Storable::dclone } |
90 | |
b1dbf716 |
91 | use base 'Exporter'; |
3705e3b2 |
92 | our @EXPORT_OK = qw( |
d634850b |
93 | sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt |
77c3a5dc |
94 | fail_on_internal_wantarray fail_on_internal_call |
514b84f6 |
95 | refdesc refcount hrefaddr set_subname |
ddcc02d1 |
96 | scope_guard detected_reinvoked_destructor |
97 | is_exception dbic_internal_try |
8fc4291e |
98 | quote_sub qsub perlstring serialize deep_clone dump_value |
439a7283 |
99 | parent_dir mkdir_p |
facd0e8e |
100 | UNRESOLVABLE_CONDITION |
3705e3b2 |
101 | ); |
052a832c |
102 | |
facd0e8e |
103 | use constant UNRESOLVABLE_CONDITION => \ '1 = 0'; |
104 | |
e85eb407 |
105 | BEGIN { |
140bcb6a |
106 | # add preliminary attribute support |
107 | # FIXME FIXME FIXME |
108 | # To be revisited when Moo with proper attr support ships |
e85eb407 |
109 | Sub::Quote->VERSION(2.002); |
140bcb6a |
110 | require attributes; |
e85eb407 |
111 | } |
112 | # Override forcing no_defer, and adding naming consistency checks |
113 | sub quote_sub { |
114 | Carp::confess( "Anonymous quoting not supported by the DBIC sub_quote override - supply a sub name" ) if |
115 | @_ < 2 |
116 | or |
117 | ! defined $_[1] |
118 | or |
119 | length ref $_[1] |
120 | ; |
121 | |
122 | Carp::confess( "The DBIC sub_quote override expects sub name '$_[0]' to be fully qualified" ) |
123 | unless $_[0] =~ /::/; |
124 | |
125 | Carp::confess( "The DBIC sub_quote override expects the sub name '$_[0]' to match the supplied 'package' argument" ) if |
126 | $_[3] |
127 | and |
128 | defined $_[3]->{package} |
129 | and |
130 | index( $_[0], $_[3]->{package} ) != 0 |
131 | ; |
132 | |
133 | my @caller = caller(0); |
134 | my $sq_opts = { |
135 | package => $caller[0], |
136 | hints => $caller[8], |
137 | warning_bits => $caller[9], |
138 | hintshash => $caller[10], |
139 | %{ $_[3] || {} }, |
140 | |
141 | # explicitly forced for everything |
142 | no_defer => 1, |
143 | }; |
144 | |
145 | my $cref = Sub::Quote::quote_sub( $_[0], $_[1], $_[2]||{}, $sq_opts ); |
140bcb6a |
146 | |
147 | # FIXME FIXME FIXME |
148 | # To be revisited when Moo with proper attr support ships |
149 | if( |
150 | # external application does not work on things like :prototype(...), :lvalue, etc |
151 | my @attrs = grep { |
152 | $_ !~ /^[a-z]/ |
153 | or |
154 | Carp::confess( "The DBIC sub_quote override does not support applying of reserved attribute '$_'" ) |
155 | } @{ $sq_opts->{attributes} || []} |
156 | ) { |
157 | Carp::confess( "The DBIC sub_quote override does not allow mixing 'attributes' with 'no_install'" ) |
158 | if $sq_opts->{no_install}; |
159 | |
160 | # might be different from $sq_opts->{package}; |
161 | my ($install_into) = $_[0] =~ /(.+)::[^:]+$/; |
162 | |
163 | attributes->import( $install_into, $cref, @attrs ); |
164 | } |
165 | |
166 | $cref; |
e85eb407 |
167 | } |
168 | |
bf302897 |
169 | sub sigwarn_silencer ($) { |
052a832c |
170 | my $pattern = shift; |
171 | |
172 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
173 | |
174 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
175 | |
176 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
177 | } |
b1dbf716 |
178 | |
01b25f12 |
179 | sub perlstring ($) { q{"}. quotemeta( shift ). q{"} }; |
180 | |
3d56e026 |
181 | sub hrefaddr ($) { sprintf '0x%x', &refaddr||0 } |
8433421f |
182 | |
183 | sub refdesc ($) { |
184 | croak "Expecting a reference" if ! length ref $_[0]; |
185 | |
186 | # be careful not to trigger stringification, |
187 | # reuse @_ as a scratch-pad |
188 | sprintf '%s%s(0x%x)', |
189 | ( defined( $_[1] = blessed $_[0]) ? "$_[1]=" : '' ), |
190 | reftype $_[0], |
3d56e026 |
191 | refaddr($_[0]), |
8433421f |
192 | ; |
193 | } |
bf302897 |
194 | |
195 | sub refcount ($) { |
dac7972a |
196 | croak "Expecting a reference" if ! length ref $_[0]; |
197 | |
dac7972a |
198 | # No tempvars - must operate on $_[0], otherwise the pad |
199 | # will count as an extra ref |
200 | B::svref_2object($_[0])->REFCNT; |
201 | } |
202 | |
514b84f6 |
203 | # FIXME In another life switch this to a polyfill like the one in namespace::clean |
204 | sub set_subname ($$) { |
205 | |
206 | # fully qualify name |
207 | splice @_, 0, 1, caller(0) . "::$_[0]" |
208 | if $_[0] !~ /::|'/; |
209 | |
210 | &Sub::Name::subname; |
211 | } |
212 | |
b34d9331 |
213 | sub serialize ($) { |
b34d9331 |
214 | local $Storable::canonical = 1; |
d7d45bdc |
215 | nfreeze($_[0]); |
b34d9331 |
216 | } |
217 | |
2d5ac3cf |
218 | my $dd_obj; |
8fc4291e |
219 | sub dump_value ($) { |
220 | local $Data::Dumper::Indent = 1 |
221 | unless defined $Data::Dumper::Indent; |
222 | |
2d5ac3cf |
223 | my $dump_str = ( |
8fc4291e |
224 | $dd_obj |
225 | ||= |
226 | do { |
227 | require Data::Dumper; |
228 | my $d = Data::Dumper->new([]) |
229 | ->Purity(0) |
230 | ->Pad('') |
231 | ->Useqq(1) |
232 | ->Terse(1) |
233 | ->Freezer('') |
234 | ->Quotekeys(0) |
235 | ->Bless('bless') |
236 | ->Pair(' => ') |
237 | ->Sortkeys(1) |
238 | ->Deparse(1) |
239 | ; |
240 | |
241 | $d->Sparseseen(1) if modver_gt_or_eq ( |
242 | 'Data::Dumper', '2.136' |
243 | ); |
244 | |
245 | $d; |
246 | } |
247 | )->Values([$_[0]])->Dump; |
248 | |
249 | $dd_obj->Reset->Values([]); |
250 | |
251 | $dump_str; |
252 | } |
253 | |
bbf6a9a5 |
254 | sub scope_guard (&) { |
255 | croak 'Calling scope_guard() in void context makes no sense' |
256 | if ! defined wantarray; |
257 | |
258 | # no direct blessing of coderefs - DESTROY is buggy on those |
259 | bless [ $_[0] ], 'DBIx::Class::_Util::ScopeGuard'; |
260 | } |
261 | { |
262 | package # |
263 | DBIx::Class::_Util::ScopeGuard; |
264 | |
265 | sub DESTROY { |
266 | &DBIx::Class::_Util::detected_reinvoked_destructor; |
267 | |
268 | local $@ if DBIx::Class::_ENV_::UNSTABLE_DOLLARAT; |
269 | |
270 | eval { |
271 | $_[0]->[0]->(); |
272 | 1; |
118b2c36 |
273 | } |
274 | or |
275 | Carp::cluck( |
276 | "Execution of scope guard $_[0] resulted in the non-trappable exception:\n\n$@" |
277 | ); |
bbf6a9a5 |
278 | } |
279 | } |
280 | |
281 | |
841efcb3 |
282 | sub is_exception ($) { |
283 | my $e = $_[0]; |
284 | |
35cf7d1a |
285 | # FIXME |
a0414138 |
286 | # this is not strictly correct - an eval setting $@ to undef |
287 | # is *not* the same as an eval setting $@ to '' |
288 | # but for the sake of simplicity assume the following for |
289 | # the time being |
290 | return 0 unless defined $e; |
291 | |
841efcb3 |
292 | my ($not_blank, $suberror); |
293 | { |
5c33c8be |
294 | local $SIG{__DIE__} if $SIG{__DIE__}; |
841efcb3 |
295 | local $@; |
296 | eval { |
d52c4a75 |
297 | # The ne() here is deliberate - a plain length($e), or worse "$e" ne |
298 | # will entirely obviate the need for the encolsing eval{}, as the |
299 | # condition we guard against is a missing fallback overload |
300 | $not_blank = ( $e ne '' ); |
841efcb3 |
301 | 1; |
302 | } or $suberror = $@; |
303 | } |
304 | |
305 | if (defined $suberror) { |
306 | if (length (my $class = blessed($e) )) { |
307 | carp_unique( sprintf( |
9bea2000 |
308 | 'External exception class %s implements partial (broken) overloading ' |
309 | . 'preventing its instances from being used in simple ($x eq $y) ' |
841efcb3 |
310 | . 'comparisons. Given Perl\'s "globally cooperative" exception ' |
311 | . 'handling this type of brokenness is extremely dangerous on ' |
312 | . 'exception objects, as it may (and often does) result in silent ' |
313 | . '"exception substitution". DBIx::Class tries to work around this ' |
314 | . 'as much as possible, but other parts of your software stack may ' |
315 | . 'not be even aware of this. Please submit a bugreport against the ' |
316 | . 'distribution containing %s and in the meantime apply a fix similar ' |
317 | . 'to the one shown at %s, in order to ensure your exception handling ' |
318 | . 'is saner application-wide. What follows is the actual error text ' |
319 | . "as generated by Perl itself:\n\n%s\n ", |
9bea2000 |
320 | $class, |
841efcb3 |
321 | $class, |
322 | 'http://v.gd/DBIC_overload_tempfix/', |
323 | $suberror, |
324 | )); |
325 | |
326 | # workaround, keeps spice flowing |
d52c4a75 |
327 | $not_blank = !!( length $e ); |
841efcb3 |
328 | } |
329 | else { |
330 | # not blessed yet failed the 'ne'... this makes 0 sense... |
331 | # just throw further |
332 | die $suberror |
333 | } |
334 | } |
84e4e006 |
335 | elsif ( |
336 | # a ref evaluating to '' is definitively a "null object" |
337 | ( not $not_blank ) |
338 | and |
339 | length( my $class = ref $e ) |
340 | ) { |
341 | carp_unique( sprintf( |
342 | "Objects of external exception class '%s' stringify to '' (the " |
343 | . 'empty string), implementing the so called null-object-pattern. ' |
344 | . 'Given Perl\'s "globally cooperative" exception handling using this ' |
345 | . 'class of exceptions is extremely dangerous, as it may (and often ' |
346 | . 'does) result in silent discarding of errors. DBIx::Class tries to ' |
347 | . 'work around this as much as possible, but other parts of your ' |
348 | . 'software stack may not be even aware of the problem. Please submit ' |
35cf7d1a |
349 | . 'a bugreport against the distribution containing %s', |
84e4e006 |
350 | |
351 | ($class) x 2, |
352 | )); |
353 | |
354 | $not_blank = 1; |
355 | } |
841efcb3 |
356 | |
357 | return $not_blank; |
358 | } |
359 | |
3d56e026 |
360 | { |
ddcc02d1 |
361 | my $callstack_state; |
362 | |
363 | # Recreate the logic of try(), while reusing the catch()/finally() as-is |
364 | # |
365 | # FIXME: We need to move away from Try::Tiny entirely (way too heavy and |
366 | # yes, shows up ON TOP of profiles) but this is a batle for another maint |
367 | sub dbic_internal_try (&;@) { |
368 | |
369 | my $try_cref = shift; |
370 | my $catch_cref = undef; # apparently this is a thing... https://rt.perl.org/Public/Bug/Display.html?id=119311 |
371 | |
372 | for my $arg (@_) { |
373 | |
374 | if( ref($arg) eq 'Try::Tiny::Catch' ) { |
375 | |
376 | croak 'dbic_internal_try() may not be followed by multiple catch() blocks' |
377 | if $catch_cref; |
378 | |
379 | $catch_cref = $$arg; |
380 | } |
381 | elsif ( ref($arg) eq 'Try::Tiny::Finally' ) { |
382 | croak 'dbic_internal_try() does not support finally{}'; |
383 | } |
384 | else { |
385 | croak( |
386 | 'dbic_internal_try() encountered an unexpected argument ' |
387 | . "'@{[ defined $arg ? $arg : 'UNDEF' ]}' - perhaps " |
388 | . 'a missing semi-colon before or ' # trailing space important |
389 | ); |
390 | } |
391 | } |
392 | |
393 | my $wantarray = wantarray; |
394 | my $preexisting_exception = $@; |
395 | |
396 | my @ret; |
397 | my $all_good = eval { |
398 | $@ = $preexisting_exception; |
399 | |
400 | local $callstack_state->{in_internal_try} = 1 |
401 | unless $callstack_state->{in_internal_try}; |
402 | |
403 | # always unset - someone may have snuck it in |
5c33c8be |
404 | local $SIG{__DIE__} if $SIG{__DIE__}; |
ddcc02d1 |
405 | |
406 | if( $wantarray ) { |
407 | @ret = $try_cref->(); |
408 | } |
409 | elsif( defined $wantarray ) { |
410 | $ret[0] = $try_cref->(); |
411 | } |
412 | else { |
413 | $try_cref->(); |
414 | } |
415 | |
416 | 1; |
417 | }; |
418 | |
419 | my $exception = $@; |
420 | $@ = $preexisting_exception; |
421 | |
422 | if ( $all_good ) { |
423 | return $wantarray ? @ret : $ret[0] |
424 | } |
425 | elsif ( $catch_cref ) { |
426 | for ( $exception ) { |
427 | return $catch_cref->($exception); |
428 | } |
429 | } |
430 | |
431 | return; |
432 | } |
433 | |
434 | sub in_internal_try { !! $callstack_state->{in_internal_try} } |
435 | } |
436 | |
437 | { |
3d56e026 |
438 | my $destruction_registry = {}; |
439 | |
04c1a070 |
440 | sub DBIx::Class::__Util_iThreads_handler__::CLONE { |
d098704f |
441 | %$destruction_registry = map { |
442 | (defined $_) |
443 | ? ( refaddr($_) => $_ ) |
444 | : () |
445 | } values %$destruction_registry; |
d52fc26d |
446 | |
d098704f |
447 | weaken($_) for values %$destruction_registry; |
29211e03 |
448 | |
d52fc26d |
449 | # Dummy NEXTSTATE ensuring the all temporaries on the stack are garbage |
450 | # collected before leaving this scope. Depending on the code above, this |
451 | # may very well be just a preventive measure guarding future modifications |
452 | undef; |
3d56e026 |
453 | } |
454 | |
455 | # This is almost invariably invoked from within DESTROY |
456 | # throwing exceptions won't work |
e1d9e578 |
457 | sub detected_reinvoked_destructor { |
3d56e026 |
458 | |
459 | # quick "garbage collection" pass - prevents the registry |
460 | # from slowly growing with a bunch of undef-valued keys |
461 | defined $destruction_registry->{$_} or delete $destruction_registry->{$_} |
462 | for keys %$destruction_registry; |
463 | |
e1d9e578 |
464 | if (! length ref $_[0]) { |
465 | printf STDERR '%s() expects a blessed reference %s', |
3d56e026 |
466 | (caller(0))[3], |
467 | Carp::longmess, |
468 | ; |
469 | return undef; # don't know wtf to do |
470 | } |
e1d9e578 |
471 | elsif (! defined $destruction_registry->{ my $addr = refaddr($_[0]) } ) { |
3d56e026 |
472 | weaken( $destruction_registry->{$addr} = $_[0] ); |
473 | return 0; |
474 | } |
475 | else { |
476 | carp_unique ( sprintf ( |
477 | 'Preventing *MULTIPLE* DESTROY() invocations on %s - an *EXTREMELY ' |
478 | . 'DANGEROUS* condition which is *ALMOST CERTAINLY GLOBAL* within your ' |
479 | . 'application, affecting *ALL* classes without active protection against ' |
480 | . 'this. Diagnose and fix the root cause ASAP!!!%s', |
481 | refdesc $_[0], |
482 | ( ( $INC{'Devel/StackTrace.pm'} and ! do { local $@; eval { Devel::StackTrace->VERSION(2) } } ) |
483 | ? " (likely culprit Devel::StackTrace\@@{[ Devel::StackTrace->VERSION ]} found in %INC, http://is.gd/D_ST_refcap)" |
484 | : '' |
485 | ) |
486 | )); |
487 | |
488 | return 1; |
489 | } |
490 | } |
491 | } |
492 | |
7302b3e0 |
493 | my $module_name_rx = qr/ \A [A-Z_a-z] [0-9A-Z_a-z]* (?: :: [0-9A-Z_a-z]+ )* \z /x; |
494 | my $ver_rx = qr/ \A [0-9]+ (?: \. [0-9]+ )* (?: \_ [0-9]+ )* \z /x; |
495 | |
bf302897 |
496 | sub modver_gt_or_eq ($$) { |
b1dbf716 |
497 | my ($mod, $ver) = @_; |
498 | |
499 | croak "Nonsensical module name supplied" |
7302b3e0 |
500 | if ! defined $mod or $mod !~ $module_name_rx; |
b1dbf716 |
501 | |
502 | croak "Nonsensical minimum version supplied" |
7302b3e0 |
503 | if ! defined $ver or $ver !~ $ver_rx; |
504 | |
505 | no strict 'refs'; |
506 | my $ver_cache = ${"${mod}::__DBIC_MODULE_VERSION_CHECKS__"} ||= ( $mod->VERSION |
507 | ? {} |
508 | : croak "$mod does not seem to provide a version (perhaps it never loaded)" |
509 | ); |
510 | |
511 | ! defined $ver_cache->{$ver} |
512 | and |
513 | $ver_cache->{$ver} = do { |
b1dbf716 |
514 | |
7302b3e0 |
515 | local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ ) |
516 | if SPURIOUS_VERSION_CHECK_WARNINGS; |
b1dbf716 |
517 | |
5c33c8be |
518 | local $SIG{__DIE__} if $SIG{__DIE__}; |
7302b3e0 |
519 | local $@; |
7302b3e0 |
520 | eval { $mod->VERSION($ver) } ? 1 : 0; |
521 | }; |
56270bba |
522 | |
7302b3e0 |
523 | $ver_cache->{$ver}; |
b1dbf716 |
524 | } |
525 | |
d634850b |
526 | sub modver_gt_or_eq_and_lt ($$$) { |
527 | my ($mod, $v_ge, $v_lt) = @_; |
528 | |
529 | croak "Nonsensical maximum version supplied" |
7302b3e0 |
530 | if ! defined $v_lt or $v_lt !~ $ver_rx; |
d634850b |
531 | |
532 | return ( |
533 | modver_gt_or_eq($mod, $v_ge) |
534 | and |
535 | ! modver_gt_or_eq($mod, $v_lt) |
536 | ) ? 1 : 0; |
537 | } |
538 | |
e3be2b6f |
539 | |
540 | # |
541 | # Why not just use some higher-level module or at least File::Spec here? |
542 | # Because: |
543 | # 1) This is a *very* rarely used function, and the deptree is large |
544 | # enough already as it is |
545 | # |
546 | # 2) (more importantly) Our tooling is utter shit in this area. There |
547 | # is no comprehensive support for UNC paths in PathTools and there |
548 | # are also various small bugs in representation across different |
549 | # path-manipulation CPAN offerings. |
550 | # |
551 | # Since this routine is strictly used for logical path processing (it |
552 | # *must* be able to work with not-yet-existing paths), use this seemingly |
553 | # simple but I *think* complete implementation to feed to other consumers |
554 | # |
555 | # If bugs are ever uncovered in this routine, *YOU ARE URGED TO RESIST* |
556 | # the impulse to bring in an external dependency. During runtime there |
557 | # is exactly one spot that could potentially maybe once in a blue moon |
558 | # use this function. Keep it lean. |
559 | # |
560 | sub parent_dir ($) { |
561 | ( $_[0] =~ m{ [\/\\] ( \.{0,2} ) ( [\/\\]* ) \z }x ) |
562 | ? ( |
563 | $_[0] |
564 | . |
565 | ( ( length($1) and ! length($2) ) ? '/' : '' ) |
566 | . |
567 | '../' |
568 | ) |
569 | : ( |
570 | require File::Spec |
571 | and |
572 | File::Spec->catpath ( |
573 | ( File::Spec->splitpath( "$_[0]" ) )[0,1], |
574 | '/', |
575 | ) |
576 | ) |
577 | ; |
578 | } |
579 | |
439a7283 |
580 | sub mkdir_p ($) { |
581 | require File::Path; |
582 | # do not ask for a recent version, use 1.x API calls |
583 | File::Path::mkpath([ "$_[0]" ]); # File::Path does not like objects |
584 | } |
585 | |
e3be2b6f |
586 | |
a9da9b6a |
587 | { |
588 | my $list_ctx_ok_stack_marker; |
589 | |
e89c7968 |
590 | sub fail_on_internal_wantarray () { |
a9da9b6a |
591 | return if $list_ctx_ok_stack_marker; |
592 | |
593 | if (! defined wantarray) { |
594 | croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard'); |
595 | } |
596 | |
597 | my $cf = 1; |
821edc09 |
598 | while ( ( (CORE::caller($cf+1))[3] || '' ) =~ / :: (?: |
a9da9b6a |
599 | |
600 | # these are public API parts that alter behavior on wantarray |
601 | search | search_related | slice | search_literal |
602 | |
603 | | |
604 | |
605 | # these are explicitly prefixed, since we only recognize them as valid |
606 | # escapes when they come from the guts of CDBICompat |
607 | CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all ) |
608 | |
609 | ) $/x ) { |
610 | $cf++; |
611 | } |
612 | |
e89c7968 |
613 | my ($fr, $want, $argdesc); |
614 | { |
615 | package DB; |
821edc09 |
616 | $fr = [ CORE::caller($cf) ]; |
617 | $want = ( CORE::caller($cf-1) )[5]; |
e89c7968 |
618 | $argdesc = ref $DB::args[0] |
619 | ? DBIx::Class::_Util::refdesc($DB::args[0]) |
620 | : 'non ' |
621 | ; |
622 | }; |
623 | |
a9da9b6a |
624 | if ( |
e89c7968 |
625 | $want and $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
a9da9b6a |
626 | ) { |
a9da9b6a |
627 | DBIx::Class::Exception->throw( sprintf ( |
e89c7968 |
628 | "Improper use of %s instance in list context at %s line %d\n\n Stacktrace starts", |
629 | $argdesc, @{$fr}[1,2] |
a9da9b6a |
630 | ), 'with_stacktrace'); |
631 | } |
632 | |
d098704f |
633 | weaken( $list_ctx_ok_stack_marker = my $mark = [] ); |
634 | |
a9da9b6a |
635 | $mark; |
636 | } |
637 | } |
638 | |
77c3a5dc |
639 | sub fail_on_internal_call { |
640 | my ($fr, $argdesc); |
641 | { |
642 | package DB; |
821edc09 |
643 | $fr = [ CORE::caller(1) ]; |
77c3a5dc |
644 | $argdesc = ref $DB::args[0] |
645 | ? DBIx::Class::_Util::refdesc($DB::args[0]) |
e5053694 |
646 | : ( $DB::args[0] . '' ) |
77c3a5dc |
647 | ; |
648 | }; |
649 | |
650 | if ( |
651 | $argdesc |
652 | and |
653 | $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
654 | and |
655 | $fr->[1] !~ /\b(?:CDBICompat|ResultSetProxy)\b/ # no point touching there |
656 | ) { |
657 | DBIx::Class::Exception->throw( sprintf ( |
e5053694 |
658 | "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 |
659 | $fr->[3], $argdesc, @{$fr}[1,2], ( $fr->[6] || do { |
660 | require B::Deparse; |
661 | no strict 'refs'; |
662 | B::Deparse->new->coderef2text(\&{$fr->[3]}) |
663 | }), |
664 | ), 'with_stacktrace'); |
665 | } |
666 | } |
667 | |
b1dbf716 |
668 | 1; |