-
Notifications
You must be signed in to change notification settings - Fork 88
/
Cover.pm
1867 lines (1482 loc) · 57.7 KB
/
Cover.pm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
# Copyright 2001-2024, Paul Johnson (paul@pjcj.net)
# This software is free. It is licensed under the same terms as Perl itself.
# The latest version of this software should be available from my homepage:
# http://www.pjcj.net
package Devel::Cover;
use strict;
use warnings;
our $VERSION;
BEGIN {
# VERSION
}
use DynaLoader ();
our @ISA = "DynaLoader";
use Devel::Cover::DB;
use Devel::Cover::DB::Digests;
use Devel::Cover::Inc;
BEGIN { $VERSION //= $Devel::Cover::Inc::VERSION }
use B qw( ppname main_cv main_start main_root walksymtable OPf_KIDS );
use B::Deparse;
use Carp;
use Config;
use Cwd qw( abs_path getcwd );
use File::Spec;
use Devel::Cover::Dumper;
use Devel::Cover::Util "remove_contained_paths";
BEGIN {
# Use Pod::Coverage if it is available
eval "use Pod::Coverage 0.06";
# If there is any error other than a failure to locate, report it
die $@ if $@ && $@ !~ m/Can't locate Pod\/Coverage.+pm in \@INC/;
# We'll prefer Pod::Coverage::CountParents
eval "use Pod::Coverage::CountParents";
die $@ if $@ && $@ !~ m/Can't locate Pod\/Coverage.+pm in \@INC/;
}
# $SIG{__DIE__} = \&Carp::confess;
# sub Pod::Coverage::TRACE_ALL () { 1 }
my $Initialised; # import() has been called
my $Dir; # Directory in which coverage will be
# collected
my $DB = "cover_db"; # DB name
my $Merge = 1; # Merge databases
my $Summary = 1; # Output coverage summary
my $Subs_only = 0; # Coverage only for sub bodies
my $Self_cover_run = 0; # Covering Devel::Cover now
my $Loose_perms = 0; # Use loose permissions in the cover DB
my @Ignore; # Packages to ignore
my @Inc; # Original @INC to ignore
my @Select; # Packages to select
my @Ignore_re; # Packages to ignore
my @Inc_re; # Original @INC to ignore
my @Select_re; # Packages to select
my $Pod
= $INC{"Pod/Coverage/CountParents.pm"} ? "Pod::Coverage::CountParents"
: $INC{"Pod/Coverage.pm"} ? "Pod::Coverage"
: ""; # Type of pod coverage available
my %Pod; # Pod coverage data
my @Cvs; # All the Cvs we want to cover
my %Cvs; # All the Cvs we want to cover
my @Subs; # All the subs we want to cover
my $Cv; # Cv we are looking in
my $Sub_name; # Name of the sub we are looking in
my $Sub_count; # Count for multiple subs on same line
my $Coverage; # Raw coverage data
my $Structure; # Structure of the files
my $Digests; # Digests of the files
my %Criteria; # Names of coverage criteria
my %Coverage; # Coverage criteria to collect
my %Coverage_options; # Options for overage criteria
my %Run; # Data collected from the run
my $Const_right = qr/^(?:const|s?refgen|gelem|die|undef|bless|anon(?:list|hash)|
emptyavhv|scalar|return|last|next|redo|goto)$/x;
# constant ops
our $File; # Last filename we saw. (localised)
our $Line; # Last line number we saw. (localised)
our $Collect; # Whether or not we are collecting
# coverage data. We make two passes
# over conditions. (localised)
our %Files; # Whether we are interested in files
# Used in runops function
our $Replace_ops; # Whether we are replacing ops
our $Silent; # Output nothing. Can be used anywhere
our $Ignore_covered_err; # Don't flag an error when uncoverable
# code is covered.
our $Self_cover; # Coverage of Devel::Cover
BEGIN {
($File, $Line, $Collect) = ("", 0, 1);
$Silent = ($ENV{HARNESS_PERL_SWITCHES} || "") =~ /Devel::Cover/
|| ($ENV{PERL5OPT} || "") =~ /Devel::Cover/;
*OUT = $ENV{DEVEL_COVER_DEBUG} ? *STDERR : *STDOUT;
if ($^X =~ /(apache2|httpd)$/) {
# mod_perl < 2.0.8
@Inc = @Devel::Cover::Inc::Inc;
} else {
# Can't get @INC via eval `` in taint mode, revert to default value
if (${^TAINT}) {
@Inc = @Devel::Cover::Inc::Inc;
} else {
eval {
local %ENV = %ENV;
# Clear *PERL* variables, but keep PERL5?LIB for local::lib
# environments
/perl/i and !/^PERL5?LIB$/ and delete $ENV{$_} for keys %ENV;
my $cmd = "$^X -MData::Dumper -e " . '"print Dumper \@INC"';
my $VAR1;
# print STDERR "Running [$cmd]\n";
eval `$cmd`;
@Inc = @$VAR1;
};
if ($@) {
print STDERR __PACKAGE__, ": Error getting \@INC: $@\n",
"Reverting to default value for Inc.\n";
@Inc = @Devel::Cover::Inc::Inc;
}
}
}
@Inc = map { -d $_ ? ($_ eq "." ? $_ : Cwd::abs_path($_)) : () } @Inc;
@Inc = remove_contained_paths(getcwd, @Inc);
@Ignore = ("/Devel/Cover[./]") unless $Self_cover = $ENV{DEVEL_COVER_SELF};
# $^P = 0x004 | 0x010 | 0x100 | 0x200;
# $^P = 0x004 | 0x100 | 0x200;
$^P |= 0x004 | 0x100;
}
sub version { $VERSION }
if (0 && $Config{useithreads}) {
eval "use threads";
no warnings "redefine";
my $original_join;
BEGIN { $original_join = \&threads::join }
# print STDERR "original_join: $original_join\n";
# $original_join = sub { print STDERR "j\n" };
# sub threads::join
*threads::join = sub {
# print STDERR "threads::join- ", \&threads::join, "\n";
# print STDERR "original_join- $original_join\n";
my $self = shift;
print STDERR "(joining thread ", $self->tid, ")\n";
my @ret = $original_join->($self, @_);
print STDERR "(returning <@ret>)\n";
@ret
};
my $original_destroy;
BEGIN { $original_destroy = \&threads::DESTROY }
*threads::DESTROY = sub {
my $self = shift;
print STDERR "(destroying thread ", $self->tid, ")\n";
$original_destroy->($self, @_);
};
# print STDERR "threads::join: ", \&threads::join, "\n";
my $new = \&threads::new;
*threads::new = *threads::create = sub {
my $class = shift;
my $sub = shift;
my $wantarray = wantarray;
$new->(
$class,
sub {
print STDERR "Starting thread\n";
set_coverage(keys %Coverage);
my $ret = [ $sub->(@_) ];
print STDERR "Ending thread\n";
report() if $Initialised;
print STDERR "Ended thread\n";
$wantarray ? @{$ret} : $ret->[0];
},
@_,
);
};
}
{
sub check {
return unless $Initialised;
check_files();
set_coverage(keys %Coverage);
my @coverage = get_coverage();
%Coverage = map { $_ => 1 } @coverage;
delete $Coverage{path}; # not done yet
my $nopod = "";
if (!$Pod && exists $Coverage{pod}) {
delete $Coverage{pod}; # Pod::Coverage unavailable
$nopod = <<EOM;
Pod coverage is unavailable. Please install Pod::Coverage from CPAN.
EOM
}
set_coverage(keys %Coverage);
@coverage = get_coverage();
my $last = pop @coverage || "";
print OUT __PACKAGE__, " $VERSION: Collecting coverage data for ",
join(", ", @coverage), @coverage ? " and " : "", "$last.\n", $nopod,
$Subs_only ? " Collecting for subroutines only.\n" : "",
$ENV{MOD_PERL} ? " Collecting under $ENV{MOD_PERL}\n" : "",
"Selecting packages matching:", join("\n ", "", @Select), "\n",
"Ignoring packages matching:", join("\n ", "", @Ignore), "\n",
"Ignoring packages in:", join("\n ", "", @Inc), "\n"
unless $Silent;
populate_run();
}
no warnings "void"; # avoid "Too late to run CHECK block" warning
CHECK { check }
}
{
my $run_end = 0;
sub first_end {
# print STDERR "**** END 1 - $run_end\n";
set_last_end() unless $run_end++
}
my $run_init = 0;
sub first_init {
# print STDERR "**** INIT 1 - $run_init\n";
collect_inits() unless $run_init++
}
}
sub last_end {
# print STDERR "**** END 2 - [$Initialised]\n";
report() if $Initialised;
# print STDERR "**** END 2 - ended\n";
}
{
no warnings "void"; # avoid "Too late to run ... block" warning
INIT { } # dummy sub to make sure PL_initav is set up and populated
END { } # dummy sub to make sure PL_endav is set up and populated
CHECK { set_first_init_and_end() } # we really want to be first
}
sub CLONE {
print STDERR <<EOM;
Unfortunately, Devel::Cover does not yet work with threads. I have done
some work in this area, but there is still more to be done.
EOM
require POSIX;
POSIX::_exit(1);
}
$Replace_ops = !$Self_cover;
sub import {
return if $Initialised;
my $class = shift;
# Die tainting
# Anyone using this module can do worse things than messing with tainting
my $options = ($ENV{DEVEL_COVER_OPTIONS} || "") =~ /(.*)/ ? $1 : "";
my @o = (@_, split ",", $options);
defined or $_ = "" for @o;
# print STDERR __PACKAGE__, ": Parsing options from [@o]\n";
my $blib = -d "blib";
@Inc = () if "@o" =~ /-inc /;
@Ignore = () if "@o" =~ /-ignore /;
@Select = () if "@o" =~ /-select /;
while (@o) {
local $_ = shift @o;
/^-silent/ && do { $Silent = shift @o; next };
/^-dir/ && do { $Dir = shift @o; next };
/^-db/ && do { $DB = shift @o; next };
/^-loose_perms/ && do { $Loose_perms = shift @o; next };
/^-merge/ && do { $Merge = shift @o; next };
/^-summary/ && do { $Summary = shift @o; next };
/^-blib/ && do { $blib = shift @o; next };
/^-subs_only/ && do { $Subs_only = shift @o; next };
/^-replace_ops/ && do { $Replace_ops = shift @o; next };
/^-coverage/
&& do { $Coverage{ +shift @o } = 1 while @o && $o[0] !~ /^[-+]/; next };
/^[-+]ignore/
&& do { push @Ignore, shift @o while @o && $o[0] !~ /^[-+]/; next };
/^[-+]inc/ && do { push @Inc, shift @o while @o && $o[0] !~ /^[-+]/; next };
/^[-+]select/
&& do { push @Select, shift @o while @o && $o[0] !~ /^[-+]/; next };
warn __PACKAGE__ . ": Unknown option $_ ignored\n";
}
if ($blib) {
eval "use blib";
for (@INC) { $_ = $1 if ref $_ ne 'CODE' && /(.*)/ } # Die tainting
push @Ignore, "^t/", '\\.t$', '^test\\.pl$';
}
my $ci = $^O eq "MSWin32";
@Select_re = map qr/$_/, @Select;
@Ignore_re = map qr/$_/, @Ignore;
@Inc_re = map $ci ? qr/^\Q$_\//i : qr/^\Q$_\//, @Inc;
bootstrap Devel::Cover $VERSION;
if (defined $Dir) {
$Dir = $1 if $Dir =~ /(.*)/; # Die tainting
} else {
$Dir = $1 if Cwd::getcwd() =~ /(.*)/;
}
$DB = File::Spec->rel2abs($DB, $Dir);
unless (mkdir $DB) {
my $err = $!;
die "Can't mkdir $DB as EUID $>: $err" unless -d $DB;
}
chmod 0777, $DB if $Loose_perms;
$DB = $1 if abs_path($DB) =~ /(.*)/;
Devel::Cover::DB->delete($DB) unless $Merge;
%Files = (); # start gathering file information from scratch
for my $c (Devel::Cover::DB->new->criteria) {
my $func = "coverage_$c";
no strict "refs";
$Criteria{$c} = $func->();
}
for (keys %Coverage) {
my @c = split /-/, $_;
if (@c > 1) {
$Coverage{ shift @c } = \@c;
delete $Coverage{$_};
}
delete $Coverage{$_} unless length;
}
%Coverage = (all => 1) unless keys %Coverage;
# print STDERR "Coverage: ", Dumper \%Coverage;
%Coverage_options = %Coverage;
$Initialised = 1;
if ($ENV{MOD_PERL}) {
eval "BEGIN {}";
check();
set_first_init_and_end();
}
}
sub populate_run {
my $self = shift;
$Run{OS} = $^O;
$Run{perl} = $] < 5.010 ? join ".", map ord, split //, $^V : sprintf "%vd",
$^V;
$Run{dir} = $Dir;
$Run{run} = $0;
$Run{name} = $Dir;
$Run{version} = "unknown";
my $mymeta = "$Dir/MYMETA.json";
if (-e $mymeta) {
eval {
require CPAN::Meta;
my $json = CPAN::Meta->load_file($mymeta)->as_struct;
$Run{$_} = $json->{$_} for qw( name version abstract );
}
} elsif ($Dir =~ m|.*/([^/]+)$|) {
my $filename = $1;
eval {
require CPAN::DistnameInfo;
my $dinfo = CPAN::DistnameInfo->new($filename);
$Run{name} = $dinfo->dist;
$Run{version} = $dinfo->version;
}
}
$Run{start} = get_elapsed() / 1e6;
}
sub cover_names_to_val {
my $val = 0;
for my $c (@_) {
if (exists $Criteria{$c}) {
$val |= $Criteria{$c};
} elsif ($c eq "all" || $c eq "none") {
my $func = "coverage_$c";
no strict "refs";
$val |= $func->();
} else {
warn __PACKAGE__ . qq(: Unknown coverage criterion "$c" ignored.\n);
}
}
$val;
}
sub set_coverage { set_criteria(cover_names_to_val(@_)) }
sub add_coverage { add_criteria(cover_names_to_val(@_)) }
sub remove_coverage { remove_criteria(cover_names_to_val(@_)) }
sub get_coverage {
return unless defined wantarray;
my @names;
my $val = get_criteria();
for my $c (sort keys %Criteria) {
push @names, $c if $val & $Criteria{$c};
}
return wantarray ? @names : "@names";
}
{
my %File_cache;
# Recursion in normalised_file() is bad. It can happen if a call from the sub
# evals something which wants to load a new module. This has happened with
# the Storable backend. I don't think it happens with the JSON backend.
my $Normalising;
sub normalised_file {
my ($file) = @_;
return $File_cache{$file} if exists $File_cache{$file};
return $file if $Normalising;
$Normalising = 1;
my $f = $file;
$file =~ s/ \(autosplit into .*\)$//;
$file =~ s/^\(eval in .*\) //;
# print STDERR "file is <$file>\ncoverage: ", Dumper coverage(0);
if ( exists coverage(0)->{module}
&& exists coverage(0)->{module}{$file}
&& !File::Spec->file_name_is_absolute($file))
{
my $m = coverage(0)->{module}{$file};
# print STDERR "Loaded <$file> <$m->[0]> from <$m->[1]> ";
$file = File::Spec->rel2abs($file, $m->[1]);
# print STDERR "as <$file> ";
}
my $inc;
$inc ||= $file =~ $_ for @Inc_re;
# warn "inc for [$file] is [$inc] @Inc_re";
if ($inc && ($^O eq "MSWin32" || $^O eq "cygwin")) {
# Windows' Cwd::_win32_cwd() calls eval which will recurse back
# here if we call abs_path, so we just assume it's normalised.
# warn "giving up on getting normalised filename from <$file>\n";
} else {
# print STDERR "getting abs_path <$file> ";
if (-e $file) { # Windows likes the file to exist
my $abs;
$abs = abs_path($file) unless -l $file; # leave symbolic links
# print STDERR "giving <$abs> ";
$file = $abs if defined $abs;
}
}
# print STDERR "finally <$file> <$Dir>\n";
$file =~ s|\\|/|g if $^O eq "MSWin32";
$file =~ s|^\Q$Dir\E/|| if defined $Dir;
$Digests ||= Devel::Cover::DB::Digests->new(db => $DB);
$file = $Digests->canonical_file($file);
# print STDERR "File: $f => $file\n";
$Normalising = 0;
$File_cache{$f} = $file
}
}
sub get_location {
my ($op) = @_;
# print STDERR "get_location ", $op, "\n";
# use Carp "cluck"; cluck("from here");
return unless $op->can("file"); # How does this happen?
$File = $op->file;
$Line = $op->line;
# print STDERR "$File:$Line\n";
# If there's an eval, get the real filename. Enabled from $^P & 0x100.
while ($File =~ /^\(eval \d+\)\[(.*):(\d+)\]/) {
($File, $Line) = ($1, $2);
}
$File = normalised_file($File);
if (!exists $Run{vec}{$File} && $Run{collected}) {
my %vec;
@vec{ @{ $Run{collected} } } = ();
delete $vec{time};
$vec{subroutine}++ if exists $vec{pod};
@{ $Run{vec}{$File}{$_} }{ "vec", "size" } = ("", 0) for keys %vec;
}
}
my $find_filename = qr/
(?:^\(eval\s \d+\)\[(.+):\d+\]) |
(?:^\(eval\sin\s\w+\)\s(.+)) |
(?:\(defined\sat\s(.+)\sline\s\d+\)) |
(?:\[from\s(.+)\sline\s\d+\])
/x;
sub use_file {
# If we're in global destruction, forget it
return unless $find_filename;
my ($file) = @_;
# print STDERR "use_file($file)\n";
# die "bad file" unless length $file;
# If you call your file something that matches $find_filename then things
# might go awry. But it would be silly to do that, so don't. This little
# optimisation provides a reasonable speedup.
return $Files{$file} if exists $Files{$file};
# just don't call your filenames 0
while ($file =~ $find_filename) { $file = $1 || $2 || $3 || $4 }
$file =~ s/ \(autosplit into .*\)$//;
# print STDERR "==> use_file($file)\n";
return $Files{$file} if exists $Files{$file};
return 0
if $file =~ /\(eval \d+\)/
|| $file =~ /^\.\.[\/\\]\.\.[\/\\]lib[\/\\](?:Storable|POSIX).pm$/;
my $f = normalised_file($file);
# print STDERR "checking <$file> <$f>\n";
# print STDERR "checking <$file> <$f> against ",
# "select(@Select_re), ignore(@Ignore_re), inc(@Inc_re)\n";
for (@Select_re) { return $Files{$file} = 1 if $f =~ $_ }
for (@Ignore_re) { return $Files{$file} = 0 if $f =~ $_ }
for (@Inc_re) { return $Files{$file} = 0 if $f =~ $_ }
# system "pwd; ls -l '$file'";
$Files{$file} = -e $file ? 1 : 0;
print STDERR __PACKAGE__ . qq(: Can't find file "$file" (@_): ignored.\n)
unless $Files{$file}
|| $Silent
|| $file =~ $Devel::Cover::DB::Ignore_filenames;
add_cvs(); # add CVs now in case of symbol table manipulation
$Files{$file}
}
sub check_file {
my ($cv) = @_;
return unless ref($cv) eq "B::CV";
my $op = $cv->START;
return unless ref($op) eq "B::COP";
my $file = $op->file;
my $use = use_file($file);
# printf STDERR "%6s $file\n", $use ? "use" : "ignore";
$use
}
sub B::GV::find_cv {
my $cv = $_[0]->CV;
return unless $$cv;
# print STDERR "find_cv $$cv\n" if check_file($cv);
$Cvs{$cv} ||= $cv if check_file($cv);
if ( $cv->can("PADLIST")
&& $cv->PADLIST->can("ARRAY")
&& $cv->PADLIST->ARRAY
&& $cv->PADLIST->ARRAY->can("ARRAY"))
{
$Cvs{$_} ||= $_
for grep ref eq "B::CV" && check_file($_), $cv->PADLIST->ARRAY->ARRAY;
}
}
sub sub_info {
my ($cv) = @_;
my ($name, $start) = ("--unknown--", 0);
my $gv = $cv->GV;
if ($gv && !$gv->isa("B::SPECIAL")) {
return unless $gv->can("SAFENAME");
$name = $gv->SAFENAME;
# print STDERR "--[$name]--\n";
$name =~ s/(__ANON__)\[.+:\d+\]/$1/ if defined $name;
}
# my $op = sub { my ($t, $o) = @_; print "$t\n"; $o->debug };
my $root = $cv->ROOT;
# $op->(root => $root);
if ($root->can("first")) {
my $lineseq = $root->first;
# $op->(lineseq => $lineseq);
if ($lineseq->can("first")) {
# normal case
$start = $lineseq->first;
# $op->(start => $start);
# signatures
if ($start->name eq "null" && $start->can("first")) {
my $lineseq2 = $start->first;
# $op->(lineseq2 => $lineseq2);
if ($lineseq2->name eq "lineseq" && $lineseq2->can("first")) {
my $cop = $lineseq2->first;
# $op->(cop => $cop);
$start = $cop if $cop->name eq "nextstate";
}
}
} elsif ($lineseq->name eq "nextstate") {
# completely empty sub - sub empty { }
$start = $lineseq;
}
}
($name, $start)
}
sub add_cvs {
$Cvs{$_} ||= $_ for grep check_file($_), B::main_cv->PADLIST->ARRAY->ARRAY;
}
sub check_files {
# print STDERR "Checking files\n";
add_cvs();
my %seen_pkg;
my %seen_cv;
walksymtable(\%main::, "find_cv", sub { !$seen_pkg{ $_[0] }++ });
my $l = sub {
my ($cv) = @_;
my $line = 0;
my ($name, $start) = sub_info($cv);
if ($start) {
local ($Line, $File);
get_location($start);
$line = $Line;
# print STDERR "$name - $File:$Line\n";
}
$line = 0 unless defined $line;
$name = '' unless defined $name;
($line, $name)
};
# print Dumper \%Cvs;
@Cvs = map $_->[0],
sort { $a->[1] <=> $b->[1] || $a->[2] cmp $b->[2] } map [ $_, $l->($_) ],
grep !$seen_cv{$$_}++, values %Cvs;
# Hack to bump up the refcount of the subs. If we don't do this then the
# subs in some modules don't seem to be around when we get to looking at
# them. I'm not sure why this is, and it seems to me that this hack could
# affect the order of destruction, but I've not seen any problems. Yet.
@Subs = map $_->object_2svref, @Cvs;
}
my %Seen;
sub report {
local $@;
eval { _report() };
if ($@) {
print STDERR <<"EOM" unless $Silent;
Devel::Cover: Oops, it looks like something went wrong writing the coverage.
It's possible that more bad things may happen but we'll try to
carry on anyway as if nothing happened. At a minimum you'll
probably find that you are missing coverage. If you're
interested, the problem was:
$@
EOM
}
return unless $Self_cover;
$Self_cover_run = 1;
_report();
}
sub _report {
local @SIG{qw(__DIE__ __WARN__)};
# $SIG{__DIE__} = \&Carp::confess;
$Run{finish} = get_elapsed() / 1e6;
die "Devel::Cover::import() not run: "
. "did you require instead of use Devel::Cover?\n"
unless defined $Dir;
my @collected = get_coverage();
return unless @collected;
set_coverage("none") unless $Self_cover;
my $starting_dir = $1 if Cwd::getcwd() =~ /(.*)/;
chdir $Dir or die __PACKAGE__ . ": Can't chdir $Dir: $!\n";
$Run{collected} = \@collected;
$Structure = Devel::Cover::DB::Structure->new(base => $DB,
loose_perms => $Loose_perms);
$Structure->read_all;
$Structure->add_criteria(@collected);
# print STDERR "Start structure: ", Dumper $Structure;
# print STDERR "Processing cover data\n@Inc\n";
$Coverage = coverage(1) || die "No coverage data available.\n";
# print STDERR Dumper $Coverage;
check_files();
unless ($Subs_only) {
get_cover(main_cv, main_root);
get_cover_progress("BEGIN block",
B::begin_av()->isa("B::AV") ? B::begin_av()->ARRAY : ());
if (exists &B::check_av) {
get_cover_progress("CHECK block",
B::check_av()->isa("B::AV") ? B::check_av()->ARRAY : ());
}
# get_ends includes INIT blocks
get_cover_progress("END/INIT block",
get_ends()->isa("B::AV") ? get_ends()->ARRAY : ());
}
# print STDERR "--- @Cvs\n";
get_cover_progress("CV", @Cvs);
my %files;
$files{$_}++ for keys %{ $Run{count} }, keys %{ $Run{vec} };
for my $file (sort keys %files) {
# print STDERR "looking at $file\n";
unless (use_file($file)) {
# print STDERR "deleting $file\n";
delete $Run{count}->{$file};
delete $Run{vec}->{$file};
$Structure->delete_file($file);
next;
}
# $Structure->add_digest($file, \%Run);
for my $run (keys %{ $Run{vec}{$file} }) {
delete $Run{vec}{$file}{$run} unless $Run{vec}{$file}{$run}{size};
}
$Structure->store_counts($file);
}
# print STDERR "End structure: ", Dumper $Structure;
my $run = time . ".$$." . sprintf "%05d", rand 2**16;
my $cover = Devel::Cover::DB->new(
base => $DB,
runs => { $run => \%Run },
structure => $Structure,
loose_perms => $Loose_perms
);
my $dbrun = "$DB/runs";
unless (mkdir $dbrun) {
die "Can't mkdir $dbrun $!" unless -d $dbrun;
}
chmod 0777, $dbrun if $Loose_perms;
$dbrun .= "/$run";
print OUT __PACKAGE__, ": Writing coverage database to $dbrun\n"
unless $Silent;
$cover->write($dbrun);
$Digests->write;
$cover->print_summary if $Summary && !$Silent;
if ($Self_cover && !$Self_cover_run) {
$cover->delete;
delete $Run{vec};
}
chdir $starting_dir;
}
sub add_subroutine_cover {
my ($op) = @_;
get_location($op);
return unless $File;
# print STDERR "Subroutine $Sub_name $File:$Line: ", $op->name, "\n";
my $key = get_key($op);
my $val = $Coverage->{statement}{$key} || 0;
my ($n, $new) = $Structure->add_count("subroutine");
# print STDERR "******* subroutine $n - $new\n";
$Structure->add_subroutine($File, [ $Line, $Sub_name ]) if $new;
$Run{count}{$File}{subroutine}[$n] += $val;
my $vec = $Run{vec}{$File}{subroutine};
vec($vec->{vec}, $n, 1) = $val ? 1 : 0;
$vec->{size} = $n + 1;
}
sub add_statement_cover {
my ($op) = @_;
get_location($op);
return unless $File;
# print STDERR "Stmt $File:$Line: $op $$op ", $op->name, "\n";
$Run{digests}{$File} ||= $Structure->set_file($File);
my $key = get_key($op);
my $val = $Coverage->{statement}{$key} || 0;
my ($n, $new) = $Structure->add_count("statement");
# print STDERR "Stmt $File:$Line - $n, $new\n";
$Structure->add_statement($File, $Line) if $new;
$Run{count}{$File}{statement}[$n] += $val;
my $vec = $Run{vec}{$File}{statement};
vec($vec->{vec}, $n, 1) = $val ? 1 : 0;
$vec->{size} = $n + 1;
no warnings "uninitialized";
$Run{count}{$File}{time}[$n] += $Coverage->{time}{$key}
if $Coverage{time}
&& exists $Coverage->{time}
&& exists $Coverage->{time}{$key};
}
sub add_branch_cover {
return unless $Collect && $Coverage{branch};
my ($op, $type, $text, $file, $line) = @_;
# return unless $Seen{branch}{$$op}++;
$text =~ s/^\s+//;
$text =~ s/\s+$//;
my $key = get_key($op);
my $c = $Coverage->{condition}{$key};
no warnings "uninitialized";
# warn "add_branch_cover $File:$Line [$type][@{[join ', ', @$c]}]\n";
if ( $type eq "and"
|| $type eq "or"
|| ($type eq "elsif" && !exists $Coverage->{branch}{$key}))
{
# and => this could also be a plain if with no else or elsif
# or => this could also be an unless with no else or elsif
# elsif => no subsequent elsifs or elses
# True path taken if not short circuited.
# False path taken if short circuited.
$c = [ $c->[1] + $c->[2], $c->[3] ];
# print STDERR "branch $type [@$c]\n";
} else {
$c = $Coverage->{branch}{$key} || [ 0, 0 ];
}
my ($n, $new) = $Structure->add_count("branch");
$Structure->add_branch($file, [ $line, { text => $text } ]) if $new;
my $ccount = $Run{count}{$file};
if (exists $ccount->{branch}[$n]) {
$ccount->{branch}[$n][$_] += $c->[$_] for 0 .. $#$c;
} else {
$ccount->{branch}[$n] = $c;
my $vec = $Run{vec}{$File}{branch};
vec($vec->{vec}, $vec->{size}++, 1) = $_ ||= 0 ? 1 : 0 for @$c;
}
# warn "branch $type %x [@$c] => [@{$ccount->{branch}[$n]}]\n", $$op;
}
sub add_condition_cover {
my ($op, $strop, $left, $right) = @_;
return unless $Collect && $Coverage{condition};
my $key = get_key($op);
# warn "Condition cover $$op from $File:$Line\n";
# print STDERR "left: [$left]\nright: [$right]\n";
# use Carp "cluck"; cluck("from here");
my $type = $op->name;
$type =~ s/assign$//;
$type = "or" if $type eq "dor";
my $c = $Coverage->{condition}{$key};
no warnings "uninitialized";
my $count;
if ($type eq "or" || $type eq "and") {
my $r = $op->first->sibling;
my $name = $r->name;
$name = $r->first->name if $name eq "sassign";
# TODO - exec? any others?
# print STDERR "Name [$name]", Dumper $c;
if ($c->[5] || $name =~ $Const_right) {
$c = [ $c->[3], $c->[1] + $c->[2] ];
$count = 2;
# print STDERR "Special short circuit\n";
} else {
@$c = @{$c}[ $type eq "or" ? (3, 2, 1) : (3, 1, 2) ];
$count = 3;
}
# print STDERR "$type 3 $name [", join(",", @$c), "] $File:$Line\n";
} elsif ($type eq "xor") {
# !l&&!r l&&!r l&&r !l&&r
@$c = @{$c}[ 3, 2, 4, 1 ];
$count = 4;
} else {
die qq(Unknown type "$type" for conditional);
}
my $structure = {
type => "${type}_${count}",
op => $strop,
left => $left,
right => $right,
};
my ($n, $new) = $Structure->add_count("condition");
$Structure->add_condition($File, [ $Line, $structure ]) if $new;
my $ccount = $Run{count}{$File};
if (exists $ccount->{condition}[$n]) {
$ccount->{condition}[$n][$_] += $c->[$_] for 0 .. $#$c;
} else {
$ccount->{condition}[$n] = $c;
my $vec = $Run{vec}{$File}{condition};
vec($vec->{vec}, $vec->{size}++, 1) = $_ ||= 0 ? 1 : 0 for @$c;
}
}
{
no warnings "once";
*is_scope = \&B::Deparse::is_scope;
*is_state = \&B::Deparse::is_state;
*is_ifelse_cont = \&B::Deparse::is_ifelse_cont;
}
my %Original;
{
BEGIN {
$Original{deparse} = \&B::Deparse::deparse;
$Original{logop} = \&B::Deparse::logop;
$Original{logassignop} = \&B::Deparse::logassignop;
$Original{const_dumper} = \&B::Deparse::const_dumper;
$Original{const} = \&B::Deparse::const if defined &B::Deparse::const;
}
sub const_dumper {
no warnings "redefine";
local *B::Deparse::deparse = $Original{deparse};
local *B::Deparse::logop = $Original{logop};
local *B::Deparse::logassignop = $Original{logassignop};
local *B::Deparse::const_dumper = $Original{const_dumper};
local *B::Deparse::const = $Original{const} if $Original{const};
$Original{const_dumper}->(@_);
}
sub const {