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lvref.t: Remove temporary eval & skip
[perl5.git] / lib / B / Deparse.t
CommitLineData
87a42246
MS
1#!./perl
2
3BEGIN {
62a6bb71 4 unshift @INC, 't';
9cd8f857
NC
5 require Config;
6 if (($Config::Config{'extensions'} !~ /\bB\b/) ){
7 print "1..0 # Skip -- Perl configured without B module\n";
8 exit 0;
9 }
87a42246
MS
10}
11
87a42246
MS
12use warnings;
13use strict;
507a68aa 14use Test::More;
87a42246 15
7741ceed 16my $tests = 25; # not counting those in the __DATA__ section
3036b99c 17
87a42246 18use B::Deparse;
09d856fb 19my $deparse = B::Deparse->new();
507a68aa 20isa_ok($deparse, 'B::Deparse', 'instantiate a B::Deparse object');
4da9a2ca 21my %deparse;
87a42246 22
ad46c0be
RH
23$/ = "\n####\n";
24while (<DATA>) {
25 chomp;
d8cf01c3 26 $tests ++;
e9c69003
NC
27 # This code is pinched from the t/lib/common.pl for TODO.
28 # It's not clear how to avoid duplication
a6087f24 29 my %meta = (context => '');
4da9a2ca 30 foreach my $what (qw(skip todo context options)) {
c4a350e6 31 s/^#\s*\U$what\E\s*(.*)\n//m and $meta{$what} = $1;
b871937f
NC
32 # If the SKIP reason starts ? then it's taken as a code snippet to
33 # evaluate. This provides the flexibility to have conditional SKIPs
c4a350e6
NC
34 if ($meta{$what} && $meta{$what} =~ s/^\?//) {
35 my $temp = eval $meta{$what};
b871937f 36 if ($@) {
c4a350e6 37 die "# In \U$what\E code reason:\n# $meta{$what}\n$@";
b871937f 38 }
c4a350e6 39 $meta{$what} = $temp;
e9c69003 40 }
e9c69003
NC
41 }
42
4a4b8592 43 s/^\s*#\s*(.*)$//mg;
507a68aa
NC
44 my $desc = $1;
45 die "Missing name in test $_" unless defined $desc;
e9c69003 46
c4a350e6 47 if ($meta{skip}) {
e9c69003 48 # Like this to avoid needing a label SKIP:
c4a350e6 49 Test::More->builder->skip($meta{skip});
e9c69003
NC
50 next;
51 }
52
ad46c0be
RH
53 my ($input, $expected);
54 if (/(.*)\n>>>>\n(.*)/s) {
55 ($input, $expected) = ($1, $2);
56 }
57 else {
58 ($input, $expected) = ($_, $_);
59 }
87a42246 60
4da9a2ca
FC
61 # parse options if necessary
62 my $deparse = $meta{options}
63 ? $deparse{$meta{options}} ||=
64 new B::Deparse split /,/, $meta{options}
65 : $deparse;
66
a6087f24
NC
67 my $coderef = eval "$meta{context};\n" . <<'EOC' . "sub {$input}";
68# Tell B::Deparse about our ambient pragmas
69my ($hint_bits, $warning_bits, $hinthash);
70BEGIN {
71 ($hint_bits, $warning_bits, $hinthash) = ($^H, ${^WARNING_BITS}, \%^H);
72}
73$deparse->ambient_pragmas (
74 hint_bits => $hint_bits,
75 warning_bits => $warning_bits,
76 '%^H' => $hinthash,
77);
78EOC
87a42246 79
ad46c0be 80 if ($@) {
507a68aa 81 is($@, "", "compilation of $desc");
ad46c0be
RH
82 }
83 else {
84 my $deparsed = $deparse->coderef2text( $coderef );
31c6271a
RD
85 my $regex = $expected;
86 $regex =~ s/(\S+)/\Q$1/g;
87 $regex =~ s/\s+/\\s+/g;
88 $regex = '^\{\s*' . $regex . '\s*\}$';
b871937f 89
c4a350e6 90 local $::TODO = $meta{todo};
507a68aa 91 like($deparsed, qr/$regex/, $desc);
87a42246 92 }
87a42246
MS
93}
94
87a42246 95use constant 'c', 'stuff';
507a68aa
NC
96is((eval "sub ".$deparse->coderef2text(\&c))->(), 'stuff',
97 'the subroutine generated by use constant deparses');
87a42246 98
09d856fb 99my $a = 0;
507a68aa
NC
100is($deparse->coderef2text(sub{(-1) ** $a }), "{\n (-1) ** \$a;\n}",
101 'anon sub capturing an external lexical');
87a42246 102
d989cdac
SM
103use constant cr => ['hello'];
104my $string = "sub " . $deparse->coderef2text(\&cr);
0707d6cc 105my $val = (eval $string)->() or diag $string;
507a68aa
NC
106is(ref($val), 'ARRAY', 'constant array references deparse');
107is($val->[0], 'hello', 'and return the correct value');
87a42246 108
87a42246 109my $path = join " ", map { qq["-I$_"] } @INC;
87a42246 110
7cde0a5f 111$a = `$^X $path "-MO=Deparse" -anlwi.bak -e 1 2>&1`;
e69a2255 112$a =~ s/-e syntax OK\n//g;
d2bc402e 113$a =~ s/.*possible typo.*\n//; # Remove warning line
82f96200 114$a =~ s/.*-i used with no filenames.*\n//; # Remove warning line
87a42246
MS
115$a =~ s{\\340\\242}{\\s} if (ord("\\") == 224); # EBCDIC, cp 1047 or 037
116$a =~ s{\\274\\242}{\\s} if (ord("\\") == 188); # $^O eq 'posix-bc'
117$b = <<'EOF';
d2bc402e
RGS
118BEGIN { $^I = ".bak"; }
119BEGIN { $^W = 1; }
120BEGIN { $/ = "\n"; $\ = "\n"; }
87a42246
MS
121LINE: while (defined($_ = <ARGV>)) {
122 chomp $_;
f86ea535 123 our(@F) = split(' ', $_, 0);
87a42246
MS
124 '???';
125}
87a42246 126EOF
507a68aa
NC
127is($a, $b,
128 'command line flags deparse as BEGIN blocks setting control variables');
87a42246 129
5b4ee549
NC
130$a = `$^X $path "-MO=Deparse" -e "use constant PI => 4" 2>&1`;
131$a =~ s/-e syntax OK\n//g;
132is($a, "use constant ('PI', 4);\n",
133 "Proxy Constant Subroutines must not show up as (incorrect) prototypes");
134
579a54dc 135#Re: perlbug #35857, patch #24505
b3980c39
YO
136#handle warnings::register-ed packages properly.
137package B::Deparse::Wrapper;
138use strict;
139use warnings;
140use warnings::register;
141sub getcode {
579a54dc 142 my $deparser = B::Deparse->new();
b3980c39
YO
143 return $deparser->coderef2text(shift);
144}
145
2990415a
FR
146package Moo;
147use overload '0+' => sub { 42 };
148
b3980c39
YO
149package main;
150use strict;
151use warnings;
71c4dbc3 152use constant GLIPP => 'glipp';
2990415a
FR
153use constant PI => 4;
154use constant OVERLOADED_NUMIFICATION => bless({}, 'Moo');
3779476a 155use Fcntl qw/O_TRUNC O_APPEND O_EXCL/;
aaf9c2b2 156BEGIN { delete $::Fcntl::{O_APPEND}; }
2990415a 157use POSIX qw/O_CREAT/;
b3980c39 158sub test {
579a54dc
RGS
159 my $val = shift;
160 my $res = B::Deparse::Wrapper::getcode($val);
507a68aa
NC
161 like($res, qr/use warnings/,
162 '[perl #35857] [PATCH] B::Deparse doesnt handle warnings register properly');
b3980c39
YO
163}
164my ($q,$p);
165my $x=sub { ++$q,++$p };
166test($x);
167eval <<EOFCODE and test($x);
168 package bar;
169 use strict;
170 use warnings;
171 use warnings::register;
172 package main;
173 1
174EOFCODE
175
d1dc589d
FC
176# Exotic sub declarations
177$a = `$^X $path "-MO=Deparse" -e "sub ::::{}sub ::::::{}" 2>&1`;
178$a =~ s/-e syntax OK\n//g;
179is($a, <<'EOCODG', "sub :::: and sub ::::::");
180sub :::: {
181
182}
183sub :::::: {
184
185}
186EOCODG
187
f2734596 188# [perl #117311]
189$a = `$^X $path "-MO=Deparse,-l" -e "map{ eval(0) }()" 2>&1`;
190$a =~ s/-e syntax OK\n//g;
191is($a, <<'EOCODH', "[perl #117311] [PATCH] -l option ('#line ...') does not emit ^Ls in the output");
192#line 1 "-e"
193map {
194#line 1 "-e"
195eval 0;} ();
196EOCODH
197
640d5d41
FC
198# [perl #33752]
199{
200 my $code = <<"EOCODE";
201{
202 our \$\x{1e1f}\x{14d}\x{14d};
203}
204EOCODE
205 my $deparsed
206 = $deparse->coderef2text(eval "sub { our \$\x{1e1f}\x{14d}\x{14d} }" );
207 s/$ \n//x for $deparsed, $code;
208 is $deparsed, $code, 'our $funny_Unicode_chars';
209}
210
bdabb2d5
FC
211# [perl #62500]
212$a =
213 `$^X $path "-MO=Deparse" -e "BEGIN{*CORE::GLOBAL::require=sub{1}}" 2>&1`;
214$a =~ s/-e syntax OK\n//g;
215is($a, <<'EOCODF', "CORE::GLOBAL::require override causing panick");
216sub BEGIN {
217 *CORE::GLOBAL::require = sub {
218 1;
219 }
220 ;
221}
222EOCODF
223
894e98ac
FC
224# [perl #91384]
225$a =
226 `$^X $path "-MO=Deparse" -e "BEGIN{*Acme::Acme:: = *Acme::}" 2>&1`;
227like($a, qr/-e syntax OK/,
228 "Deparse does not hang when traversing stash circularities");
229
bb8996b8 230# [perl #93990]
08412a26
NC
231@] = ();
232is($deparse->coderef2text(sub{ print "@{]}" }),
bb8996b8 233q<{
08412a26
NC
234 print "@{]}";
235}>, 'curly around to interpolate "@{]}"');
bb8996b8
HY
236is($deparse->coderef2text(sub{ print "@{-}" }),
237q<{
238 print "@-";
239}>, 'no need to curly around to interpolate "@-"');
240
1c74777c
FC
241# Strict hints in %^H are mercilessly suppressed
242$a =
243 `$^X $path "-MO=Deparse" -e "use strict; print;" 2>&1`;
244unlike($a, qr/BEGIN/,
245 "Deparse does not emit strict hh hints");
246
3036b99c
FC
247# ambient_pragmas should not mess with strict settings.
248SKIP: {
249 skip "requires 5.11", 1 unless $] >= 5.011;
250 eval q`
3036b99c 251 BEGIN {
d1718a7c 252 # Clear out all hints
3036b99c 253 %^H = ();
d1718a7c 254 $^H = 0;
3036b99c
FC
255 new B::Deparse -> ambient_pragmas(strict => 'all');
256 }
257 use 5.011; # should enable strict
258 ok !eval '$do_noT_create_a_variable_with_this_name = 1',
259 'ambient_pragmas do not mess with compiling scope';
260 `;
261}
262
93a8ff62
FC
263# multiple statements on format lines
264$a = `$^X $path "-MO=Deparse" -e "format =" -e "\@" -e "x();z()" -e. 2>&1`;
265$a =~ s/-e syntax OK\n//g;
93a8ff62
FC
266is($a, <<'EOCODH', 'multiple statements on format lines');
267format STDOUT =
268@
269x(); z()
270.
271EOCODH
272
7741ceed
FC
273# CORE::format
274$a = readpipe qq`$^X $path "-MO=Deparse" -e "use feature q|:all|;`
275 .qq` my sub format; CORE::format =" -e. 2>&1`;
276like($a, qr/CORE::format/, 'CORE::format when lex format sub is in scope');
277
fea7fb25
DM
278# literal big chars under 'use utf8'
279is($deparse->coderef2text(sub{ use utf8; /€/; }),
280'{
281 /\x{20ac}/;
282}',
283"qr/euro/");
284
e54915d6
FC
285# STDERR when deparsing sub calls
286# For a short while the output included 'While deparsing'
287$a = `$^X $path "-MO=Deparse" -e "foo()" 2>&1`;
288$a =~ s/-e syntax OK\n//g;
289is($a, <<'EOCODI', 'no extra output when deparsing foo()');
290foo();
291EOCODI
292
7741ceed
FC
293# CORE::no
294$a = readpipe qq`$^X $path "-MO=Deparse" -Xe `
295 .qq`"use feature q|:all|; my sub no; CORE::no less" 2>&1`;
296like($a, qr/my sub no;\n\(\);\nCORE::no less;/,
297 'CORE::no after my sub no');
298
299# CORE::use
300$a = readpipe qq`$^X $path "-MO=Deparse" -Xe `
301 .qq`"use feature q|:all|; my sub use; CORE::use less" 2>&1`;
302like($a, qr/my sub use;\n\(\);\nCORE::use less;/,
303 'CORE::use after my sub use');
304
305# CORE::__DATA__
306$a = readpipe qq`$^X $path "-MO=Deparse" -Xe `
307 .qq`"use feature q|:all|; my sub __DATA__; `
308 .qq`CORE::__DATA__" 2>&1`;
309like($a, qr/my sub __DATA__;\n\(\);\nCORE::__DATA__/,
310 'CORE::__DATA__ after my sub __DATA__');
311
93a8ff62 312
d8cf01c3 313done_testing($tests);
507a68aa 314
ad46c0be 315__DATA__
b8346d05
KW
316# TODO [perl #120950] This succeeds when run a 2nd time
317# y/uni/code/
318tr/\x{345}/\x{370}/;
319####
320# y/uni/code/ [perl #120950] This 2nd instance succeeds
321tr/\x{345}/\x{370}/;
322####
507a68aa 323# A constant
ad46c0be
RH
3241;
325####
507a68aa 326# Constants in a block
ad46c0be
RH
327{
328 no warnings;
329 '???';
330 2;
331}
332####
507a68aa 333# Lexical and simple arithmetic
ad46c0be
RH
334my $test;
335++$test and $test /= 2;
336>>>>
337my $test;
338$test /= 2 if ++$test;
339####
507a68aa 340# list x
ad46c0be
RH
341-((1, 2) x 2);
342####
507a68aa 343# lvalue sub
ad46c0be
RH
344{
345 my $test = sub : lvalue {
346 my $x;
347 }
348 ;
349}
350####
507a68aa 351# method
ad46c0be
RH
352{
353 my $test = sub : method {
354 my $x;
355 }
356 ;
357}
358####
507a68aa 359# block with continue
87a42246 360{
ad46c0be 361 234;
f99a63a2 362}
ad46c0be
RH
363continue {
364 123;
87a42246 365}
ce4e655d 366####
507a68aa 367# lexical and package scalars
ce4e655d
RH
368my $x;
369print $main::x;
370####
507a68aa 371# lexical and package arrays
ce4e655d
RH
372my @x;
373print $main::x[1];
14a55f98 374####
507a68aa 375# lexical and package hashes
14a55f98
RH
376my %x;
377$x{warn()};
ad8caead 378####
66786896
FC
379# our (LIST)
380our($foo, $bar, $baz);
381####
56cd2ef8
FC
382# CONTEXT { package Dog } use feature "state";
383# variables with declared classes
384my Dog $spot;
385our Dog $spotty;
386state Dog $spotted;
387my Dog @spot;
388our Dog @spotty;
389state Dog @spotted;
390my Dog %spot;
391our Dog %spotty;
392state Dog %spotted;
393my Dog ($foo, @bar, %baz);
394our Dog ($phoo, @barr, %bazz);
395state Dog ($fough, @barre, %bazze);
396####
f3515641
FC
397# local our
398local our $rhubarb;
5f4d8496 399local our($rhu, $barb);
f3515641 400####
507a68aa 401# <>
ad8caead
RGS
402my $foo;
403$_ .= <ARGV> . <$foo>;
cef22867 404####
507a68aa 405# \x{}
11454c59 406my $foo = "Ab\x{100}\200\x{200}\237Cd\000Ef\x{1000}\cA\x{2000}\cZ";
4ae52e81 407####
507a68aa 408# s///e
4ae52e81 409s/x/'y';/e;
ef90d20a
FC
410s/x/$a;/e;
411s/x/complex_expression();/e;
241416b8 412####
507a68aa 413# block
241416b8
DM
414{ my $x; }
415####
507a68aa 416# while 1
241416b8
DM
417while (1) { my $k; }
418####
507a68aa 419# trailing for
241416b8
DM
420my ($x,@a);
421$x=1 for @a;
422>>>>
423my($x, @a);
0bb5f065 424$x = 1 foreach (@a);
241416b8 425####
507a68aa 426# 2 arguments in a 3 argument for
241416b8
DM
427for (my $i = 0; $i < 2;) {
428 my $z = 1;
429}
430####
507a68aa 431# 3 argument for
241416b8
DM
432for (my $i = 0; $i < 2; ++$i) {
433 my $z = 1;
434}
435####
507a68aa 436# 3 argument for again
241416b8
DM
437for (my $i = 0; $i < 2; ++$i) {
438 my $z = 1;
439}
440####
22584011
FC
441# 3-argument for with inverted condition
442for (my $i; not $i;) {
443 die;
444}
445for (my $i; not $i; ++$i) {
446 die;
447}
88a758b5
FC
448for (my $a; not +($1 || 2) ** 2;) {
449 die;
450}
22584011
FC
451Something_to_put_the_loop_in_void_context();
452####
507a68aa 453# while/continue
241416b8
DM
454my $i;
455while ($i) { my $z = 1; } continue { $i = 99; }
456####
507a68aa 457# foreach with my
09d856fb 458foreach my $i (1, 2) {
241416b8
DM
459 my $z = 1;
460}
461####
4da9a2ca
FC
462# OPTIONS -p
463# foreach with my under -p
464foreach my $i (1) {
465 die;
466}
467####
507a68aa 468# foreach
241416b8
DM
469my $i;
470foreach $i (1, 2) {
471 my $z = 1;
472}
473####
507a68aa 474# foreach, 2 mys
241416b8
DM
475my $i;
476foreach my $i (1, 2) {
477 my $z = 1;
478}
479####
507a68aa 480# foreach with our
241416b8
DM
481foreach our $i (1, 2) {
482 my $z = 1;
483}
484####
507a68aa 485# foreach with my and our
241416b8
DM
486my $i;
487foreach our $i (1, 2) {
488 my $z = 1;
489}
3ac6e0f9 490####
bcff4148
FC
491# foreach with state
492# CONTEXT use feature "state";
493foreach state $i (1, 2) {
494 state $z = 1;
495}
496####
507a68aa 497# reverse sort
3ac6e0f9
RGS
498my @x;
499print reverse sort(@x);
500####
507a68aa 501# sort with cmp
3ac6e0f9
RGS
502my @x;
503print((sort {$b cmp $a} @x));
504####
507a68aa 505# reverse sort with block
3ac6e0f9
RGS
506my @x;
507print((reverse sort {$b <=> $a} @x));
36d57d93 508####
507a68aa 509# foreach reverse
36d57d93
RGS
510our @a;
511print $_ foreach (reverse @a);
aae53c41 512####
507a68aa 513# foreach reverse (not inplace)
aae53c41
RGS
514our @a;
515print $_ foreach (reverse 1, 2..5);
f86ea535 516####
507a68aa 517# bug #38684
f86ea535
SM
518our @ary;
519@ary = split(' ', 'foo', 0);
31c6271a 520####
de183bbb
FC
521# Split to our array
522our @array = split(//, 'foo', 0);
523####
507a68aa 524# bug #40055
31c6271a
RD
525do { () };
526####
507a68aa 527# bug #40055
31c6271a 528do { my $x = 1; $x };
d9002312 529####
507a68aa 530# <20061012113037.GJ25805@c4.convolution.nl>
d9002312
SM
531my $f = sub {
532 +{[]};
533} ;
8b2d6640 534####
507a68aa 535# bug #43010
8b2d6640
FC
536'!@$%'->();
537####
507a68aa 538# bug #43010
8b2d6640
FC
539::();
540####
507a68aa 541# bug #43010
8b2d6640
FC
542'::::'->();
543####
507a68aa 544# bug #43010
8b2d6640 545&::::;
09d856fb 546####
1b38d782
FC
547# [perl #77172]
548package rt77172;
549sub foo {} foo & & & foo;
550>>>>
551package rt77172;
552foo(&{&} & foo());
553####
507a68aa 554# variables as method names
09d856fb
CK
555my $bar;
556'Foo'->$bar('orz');
35a99a08 557'Foo'->$bar('orz') = 'a stranger stranger than before';
09d856fb 558####
507a68aa 559# constants as method names
09d856fb
CK
560'Foo'->bar('orz');
561####
507a68aa 562# constants as method names without ()
09d856fb 563'Foo'->bar;
0ced6c29 564####
28bfcb02 565# [perl #47359] "indirect" method call notation
1bf8bbb0
FC
566our @bar;
567foo{@bar}+1,->foo;
568(foo{@bar}+1),foo();
569foo{@bar}1 xor foo();
570>>>>
571our @bar;
572(foo { @bar } 1)->foo;
573(foo { @bar } 1), foo();
574foo { @bar } 1 xor foo();
575####
e9c69003 576# SKIP ?$] < 5.010 && "say not implemented on this Perl version"
205fef88 577# CONTEXT use feature ':5.10';
507a68aa 578# say
7ddd1a01
NC
579say 'foo';
580####
8f57bb34 581# SKIP ?$] < 5.010 && "say not implemented on this Perl version"
8f57bb34
NC
582# CONTEXT use 5.10.0;
583# say in the context of use 5.10.0
584say 'foo';
585####
586# SKIP ?$] < 5.010 && "say not implemented on this Perl version"
8f57bb34
NC
587# say with use 5.10.0
588use 5.10.0;
589say 'foo';
590>>>>
591no feature;
592use feature ':5.10';
593say 'foo';
594####
595# SKIP ?$] < 5.010 && "say not implemented on this Perl version"
596# say with use feature ':5.10';
597use feature ':5.10';
598say 'foo';
599>>>>
600use feature 'say', 'state', 'switch';
601say 'foo';
602####
603# SKIP ?$] < 5.010 && "say not implemented on this Perl version"
8f57bb34
NC
604# CONTEXT use feature ':5.10';
605# say with use 5.10.0 in the context of use feature
606use 5.10.0;
607say 'foo';
608>>>>
609no feature;
610use feature ':5.10';
611say 'foo';
612####
613# SKIP ?$] < 5.010 && "say not implemented on this Perl version"
614# CONTEXT use 5.10.0;
615# say with use feature ':5.10' in the context of use 5.10.0
616use feature ':5.10';
617say 'foo';
618>>>>
619say 'foo';
620####
621# SKIP ?$] < 5.015 && "__SUB__ not implemented on this Perl version"
622# CONTEXT use feature ':5.15';
623# __SUB__
624__SUB__;
625####
626# SKIP ?$] < 5.015 && "__SUB__ not implemented on this Perl version"
8f57bb34
NC
627# CONTEXT use 5.15.0;
628# __SUB__ in the context of use 5.15.0
629__SUB__;
630####
631# SKIP ?$] < 5.015 && "__SUB__ not implemented on this Perl version"
8f57bb34
NC
632# __SUB__ with use 5.15.0
633use 5.15.0;
634__SUB__;
635>>>>
636no feature;
637use feature ':5.16';
638__SUB__;
639####
640# SKIP ?$] < 5.015 && "__SUB__ not implemented on this Perl version"
641# __SUB__ with use feature ':5.15';
642use feature ':5.15';
643__SUB__;
644>>>>
645use feature 'current_sub', 'evalbytes', 'fc', 'say', 'state', 'switch', 'unicode_strings', 'unicode_eval';
646__SUB__;
647####
648# SKIP ?$] < 5.015 && "__SUB__ not implemented on this Perl version"
8f57bb34
NC
649# CONTEXT use feature ':5.15';
650# __SUB__ with use 5.15.0 in the context of use feature
651use 5.15.0;
652__SUB__;
653>>>>
654no feature;
655use feature ':5.16';
656__SUB__;
657####
658# SKIP ?$] < 5.015 && "__SUB__ not implemented on this Perl version"
659# CONTEXT use 5.15.0;
660# __SUB__ with use feature ':5.15' in the context of use 5.15.0
661use feature ':5.15';
662__SUB__;
663>>>>
664__SUB__;
665####
e9c69003 666# SKIP ?$] < 5.010 && "state vars not implemented on this Perl version"
205fef88 667# CONTEXT use feature ':5.10';
507a68aa 668# state vars
0ced6c29
RGS
669state $x = 42;
670####
e9c69003 671# SKIP ?$] < 5.010 && "state vars not implemented on this Perl version"
205fef88 672# CONTEXT use feature ':5.10';
507a68aa 673# state var assignment
7ddd1a01
NC
674{
675 my $y = (state $x = 42);
676}
677####
e9c69003 678# SKIP ?$] < 5.010 && "state vars not implemented on this Perl version"
205fef88 679# CONTEXT use feature ':5.10';
c4a6f826 680# state vars in anonymous subroutines
7ddd1a01
NC
681$a = sub {
682 state $x;
683 return $x++;
684}
685;
644741fd
NC
686####
687# SKIP ?$] < 5.011 && 'each @array not implemented on this Perl version'
507a68aa 688# each @array;
644741fd
NC
689each @ARGV;
690each @$a;
691####
692# SKIP ?$] < 5.011 && 'each @array not implemented on this Perl version'
507a68aa 693# keys @array; values @array
644741fd
NC
694keys @$a if keys @ARGV;
695values @ARGV if values @$a;
35925e80 696####
507a68aa 697# Anonymous arrays and hashes, and references to them
35925e80
RGS
698my $a = {};
699my $b = \{};
700my $c = [];
701my $d = \[];
9210de83
FR
702####
703# SKIP ?$] < 5.010 && "smartmatch and given/when not implemented on this Perl version"
0f539b13 704# CONTEXT use feature ':5.10'; no warnings 'experimental::smartmatch';
507a68aa 705# implicit smartmatch in given/when
9210de83
FR
706given ('foo') {
707 when ('bar') { continue; }
708 when ($_ ~~ 'quux') { continue; }
709 default { 0; }
710}
7ecdd211 711####
507a68aa 712# conditions in elsifs (regression in change #33710 which fixed bug #37302)
7ecdd211
PJ
713if ($a) { x(); }
714elsif ($b) { x(); }
715elsif ($a and $b) { x(); }
716elsif ($a or $b) { x(); }
717else { x(); }
03b22f1b 718####
507a68aa 719# interpolation in regexps
03b22f1b
RGS
720my($y, $t);
721/x${y}z$t/;
227375e1 722####
4a4b8592 723# TODO new undocumented cpan-bug #33708
507a68aa 724# cpan-bug #33708
227375e1
RU
725%{$_ || {}}
726####
4a4b8592 727# TODO hash constants not yet fixed
507a68aa 728# cpan-bug #33708
227375e1
RU
729use constant H => { "#" => 1 }; H->{"#"}
730####
4a4b8592 731# TODO optimized away 0 not yet fixed
507a68aa 732# cpan-bug #33708
227375e1 733foreach my $i (@_) { 0 }
edbe35ea 734####
507a68aa 735# tests with not, not optimized
07f3cdf5 736my $c;
edbe35ea
VP
737x() unless $a;
738x() if not $a and $b;
739x() if $a and not $b;
740x() unless not $a and $b;
741x() unless $a and not $b;
742x() if not $a or $b;
743x() if $a or not $b;
744x() unless not $a or $b;
745x() unless $a or not $b;
07f3cdf5
VP
746x() if $a and not $b and $c;
747x() if not $a and $b and not $c;
748x() unless $a and not $b and $c;
749x() unless not $a and $b and not $c;
750x() if $a or not $b or $c;
751x() if not $a or $b or not $c;
752x() unless $a or not $b or $c;
753x() unless not $a or $b or not $c;
edbe35ea 754####
507a68aa 755# tests with not, optimized
07f3cdf5 756my $c;
edbe35ea
VP
757x() if not $a;
758x() unless not $a;
759x() if not $a and not $b;
760x() unless not $a and not $b;
761x() if not $a or not $b;
762x() unless not $a or not $b;
07f3cdf5
VP
763x() if not $a and not $b and $c;
764x() unless not $a and not $b and $c;
765x() if not $a or not $b or $c;
766x() unless not $a or not $b or $c;
767x() if not $a and not $b and not $c;
768x() unless not $a and not $b and not $c;
769x() if not $a or not $b or not $c;
770x() unless not $a or not $b or not $c;
771x() unless not $a or not $b or not $c;
edbe35ea 772>>>>
07f3cdf5 773my $c;
edbe35ea
VP
774x() unless $a;
775x() if $a;
776x() unless $a or $b;
777x() if $a or $b;
778x() unless $a and $b;
07f3cdf5
VP
779x() if $a and $b;
780x() if not $a || $b and $c;
781x() unless not $a || $b and $c;
782x() if not $a && $b or $c;
783x() unless not $a && $b or $c;
784x() unless $a or $b or $c;
785x() if $a or $b or $c;
786x() unless $a and $b and $c;
787x() if $a and $b and $c;
788x() unless not $a && $b && $c;
71c4dbc3 789####
507a68aa 790# tests that should be constant folded
71c4dbc3
VP
791x() if 1;
792x() if GLIPP;
793x() if !GLIPP;
794x() if GLIPP && GLIPP;
795x() if !GLIPP || GLIPP;
796x() if do { GLIPP };
797x() if do { no warnings 'void'; 5; GLIPP };
798x() if do { !GLIPP };
799if (GLIPP) { x() } else { z() }
800if (!GLIPP) { x() } else { z() }
801if (GLIPP) { x() } elsif (GLIPP) { z() }
802if (!GLIPP) { x() } elsif (GLIPP) { z() }
803if (GLIPP) { x() } elsif (!GLIPP) { z() }
804if (!GLIPP) { x() } elsif (!GLIPP) { z() }
805if (!GLIPP) { x() } elsif (!GLIPP) { z() } elsif (GLIPP) { t() }
806if (!GLIPP) { x() } elsif (!GLIPP) { z() } elsif (!GLIPP) { t() }
807if (!GLIPP) { x() } elsif (!GLIPP) { z() } elsif (!GLIPP) { t() }
808>>>>
809x();
810x();
811'???';
812x();
813x();
814x();
815x();
816do {
817 '???'
818};
819do {
820 x()
821};
822do {
823 z()
824};
825do {
826 x()
827};
828do {
829 z()
830};
831do {
832 x()
833};
834'???';
835do {
836 t()
837};
838'???';
839!1;
840####
719c50dc
RGS
841# TODO constant deparsing has been backed out for 5.12
842# XXXTODO ? $Config::Config{useithreads} && "doesn't work with threads"
507a68aa 843# tests that shouldn't be constant folded
ac0f1413
NC
844# It might be fundamentally impossible to make this work on ithreads, in which
845# case the TODO should become a SKIP
71c4dbc3
VP
846x() if $a;
847if ($a == 1) { x() } elsif ($b == 2) { z() }
848if (do { foo(); GLIPP }) { x() }
849if (do { $a++; GLIPP }) { x() }
850>>>>
851x() if $a;
852if ($a == 1) { x(); } elsif ($b == 2) { z(); }
2990415a
FR
853if (do { foo(); GLIPP }) { x(); }
854if (do { ++$a; GLIPP }) { x(); }
855####
0fa4a265 856# TODO constant deparsing has been backed out for 5.12
507a68aa 857# tests for deparsing constants
2990415a
FR
858warn PI;
859####
0fa4a265 860# TODO constant deparsing has been backed out for 5.12
507a68aa 861# tests for deparsing imported constants
3779476a 862warn O_TRUNC;
2990415a 863####
0fa4a265 864# TODO constant deparsing has been backed out for 5.12
507a68aa 865# tests for deparsing re-exported constants
2990415a
FR
866warn O_CREAT;
867####
0fa4a265 868# TODO constant deparsing has been backed out for 5.12
507a68aa 869# tests for deparsing imported constants that got deleted from the original namespace
aaf9c2b2 870warn O_APPEND;
2990415a 871####
0fa4a265
DM
872# TODO constant deparsing has been backed out for 5.12
873# XXXTODO ? $Config::Config{useithreads} && "doesn't work with threads"
507a68aa 874# tests for deparsing constants which got turned into full typeglobs
ac0f1413
NC
875# It might be fundamentally impossible to make this work on ithreads, in which
876# case the TODO should become a SKIP
2990415a
FR
877warn O_EXCL;
878eval '@Fcntl::O_EXCL = qw/affe tiger/;';
879warn O_EXCL;
880####
0fa4a265 881# TODO constant deparsing has been backed out for 5.12
507a68aa 882# tests for deparsing of blessed constant with overloaded numification
2990415a 883warn OVERLOADED_NUMIFICATION;
79289e05 884####
507a68aa 885# strict
79289e05 886no strict;
415d4c68
FC
887print $x;
888use strict 'vars';
889print $main::x;
890use strict 'subs';
891print $main::x;
892use strict 'refs';
893print $main::x;
894no strict 'vars';
79289e05
NC
895$x;
896####
897# TODO Subsets of warnings could be encoded textually, rather than as bitflips.
507a68aa 898# subsets of warnings
79289e05
NC
899no warnings 'deprecated';
900my $x;
901####
902# TODO Better test for CPAN #33708 - the deparsed code has different behaviour
507a68aa 903# CPAN #33708
79289e05
NC
904use strict;
905no warnings;
906
907foreach (0..3) {
908 my $x = 2;
909 {
910 my $x if 0;
911 print ++$x, "\n";
912 }
913}
d83f38d8 914####
507a68aa 915# no attribute list
d83f38d8
NC
916my $pi = 4;
917####
2dc78664
NC
918# SKIP ?$] > 5.013006 && ":= is now a syntax error"
919# := treated as an empty attribute list
d83f38d8
NC
920no warnings;
921my $pi := 4;
922>>>>
923no warnings;
924my $pi = 4;
925####
507a68aa 926# : = empty attribute list
d83f38d8
NC
927my $pi : = 4;
928>>>>
929my $pi = 4;
689e417f 930####
507a68aa 931# in place sort
689e417f
VP
932our @a;
933my @b;
934@a = sort @a;
935@b = sort @b;
936();
937####
507a68aa 938# in place reverse
689e417f
VP
939our @a;
940my @b;
941@a = reverse @a;
942@b = reverse @b;
943();
06fc6867 944####
507a68aa 945# #71870 Use of uninitialized value in bitwise and B::Deparse
06fc6867
VP
946my($r, $s, @a);
947@a = split(/foo/, $s, 0);
948$r = qr/foo/;
949@a = split(/$r/, $s, 0);
950();
98a1a137 951####
507a68aa 952# package declaration before label
98a1a137
Z
953{
954 package Foo;
955 label: print 123;
956}
538f5756 957####
507a68aa 958# shift optimisation
538f5756
RZ
959shift;
960>>>>
961shift();
962####
507a68aa 963# shift optimisation
538f5756
RZ
964shift @_;
965####
507a68aa 966# shift optimisation
538f5756
RZ
967pop;
968>>>>
969pop();
970####
507a68aa 971# shift optimisation
538f5756 972pop @_;
a539498a 973####
507a68aa 974#[perl #20444]
a539498a
FC
975"foo" =~ (1 ? /foo/ : /bar/);
976"foo" =~ (1 ? y/foo// : /bar/);
5e5a1632 977"foo" =~ (1 ? y/foo//r : /bar/);
a539498a
FC
978"foo" =~ (1 ? s/foo// : /bar/);
979>>>>
980'foo' =~ ($_ =~ /foo/);
981'foo' =~ ($_ =~ tr/fo//);
5e5a1632 982'foo' =~ ($_ =~ tr/fo//r);
a539498a 983'foo' =~ ($_ =~ s/foo//);
e0ab66ad 984####
5e5a1632
FC
985# The fix for [perl #20444] broke this.
986'foo' =~ do { () };
987####
4b58603b
FC
988# [perl #81424] match against aelemfast_lex
989my @s;
990print /$s[1]/;
991####
36727b53
FC
992# /$#a/
993print /$#main::a/;
994####
b9bc576f 995# [perl #91318] /regexp/applaud
09622ee2
FC
996print /a/a, s/b/c/a;
997print /a/aa, s/b/c/aa;
998print /a/p, s/b/c/p;
999print /a/l, s/b/c/l;
1000print /a/u, s/b/c/u;
b9bc576f
FC
1001{
1002 use feature "unicode_strings";
09622ee2 1003 print /a/d, s/b/c/d;
b9bc576f
FC
1004}
1005{
1006 use re "/u";
09622ee2 1007 print /a/d, s/b/c/d;
b9bc576f 1008}
dff5ffe4
FC
1009{
1010 use 5.012;
1011 print /a/d, s/b/c/d;
1012}
b9bc576f 1013>>>>
09622ee2
FC
1014print /a/a, s/b/c/a;
1015print /a/aa, s/b/c/aa;
1016print /a/p, s/b/c/p;
1017print /a/l, s/b/c/l;
1018print /a/u, s/b/c/u;
b9bc576f 1019{
a8095af7 1020 use feature 'unicode_strings';
09622ee2 1021 print /a/d, s/b/c/d;
b9bc576f
FC
1022}
1023{
0bb01b05
FC
1024 BEGIN { $^H{'reflags'} = '0';
1025 $^H{'reflags_charset'} = '2'; }
09622ee2 1026 print /a/d, s/b/c/d;
b9bc576f 1027}
dff5ffe4
FC
1028{
1029 no feature;
1030 use feature ':5.12';
1031 print /a/d, s/b/c/d;
1032}
b9bc576f 1033####
9f125c4a
FC
1034# [perl #119807] s//\(3)/ge should not warn when deparsed (\3 warns)
1035s/foo/\(3);/eg;
1036####
e7afc405
FC
1037# y///r
1038tr/a/b/r;
cb8157e3 1039####
cb8578ff 1040# [perl #90898]
f4002a4b 1041<a,>;
09dcfa7d
FC
1042####
1043# [perl #91008]
d401967c 1044# CONTEXT no warnings 'experimental::autoderef';
09dcfa7d
FC
1045each $@;
1046keys $~;
1047values $!;
5d8c42c2
FC
1048####
1049# readpipe with complex expression
1050readpipe $a + $b;
93bad3fd
NC
1051####
1052# aelemfast
1053$b::a[0] = 1;
1054####
1055# aelemfast for a lexical
1056my @a;
1057$a[0] = 1;
80e3f4ad
FC
1058####
1059# feature features without feature
0f539b13 1060# CONTEXT no warnings 'experimental::smartmatch';
80e3f4ad 1061CORE::state $x;
223b1722
FC
1062CORE::say $x;
1063CORE::given ($x) {
1064 CORE::when (3) {
1065 continue;
1066 }
1067 CORE::default {
1068 CORE::break;
1069 }
1070}
1071CORE::evalbytes '';
1072() = CORE::__SUB__;
838f2281 1073() = CORE::fc $x;
223b1722
FC
1074####
1075# feature features when feature has been disabled by use VERSION
0f539b13 1076# CONTEXT no warnings 'experimental::smartmatch';
223b1722
FC
1077use feature (sprintf(":%vd", $^V));
1078use 1;
1079CORE::state $x;
1080CORE::say $x;
1081CORE::given ($x) {
1082 CORE::when (3) {
1083 continue;
1084 }
1085 CORE::default {
1086 CORE::break;
1087 }
1088}
1089CORE::evalbytes '';
1090() = CORE::__SUB__;
1091>>>>
205fef88
NC
1092CORE::state $x;
1093CORE::say $x;
1094CORE::given ($x) {
1095 CORE::when (3) {
1096 continue;
1097 }
1098 CORE::default {
1099 CORE::break;
1100 }
1101}
1102CORE::evalbytes '';
1103() = CORE::__SUB__;
1104####
1105# (the above test with CONTEXT, and the output is equivalent but different)
0f539b13 1106# CONTEXT use feature ':5.10'; no warnings 'experimental::smartmatch';
205fef88
NC
1107# feature features when feature has been disabled by use VERSION
1108use feature (sprintf(":%vd", $^V));
1109use 1;
1110CORE::state $x;
1111CORE::say $x;
1112CORE::given ($x) {
1113 CORE::when (3) {
1114 continue;
1115 }
1116 CORE::default {
1117 CORE::break;
1118 }
1119}
1120CORE::evalbytes '';
1121() = CORE::__SUB__;
1122>>>>
0bb01b05
FC
1123no feature;
1124use feature ':default';
223b1722 1125CORE::state $x;
80e3f4ad
FC
1126CORE::say $x;
1127CORE::given ($x) {
1128 CORE::when (3) {
1129 continue;
1130 }
1131 CORE::default {
e36901c8 1132 CORE::break;
80e3f4ad
FC
1133 }
1134}
7d789282 1135CORE::evalbytes '';
84ed0108 1136() = CORE::__SUB__;
6ec73527 1137####
7741ceed
FC
1138# SKIP ?$] < 5.017004 && "lexical subs not implemented on this Perl version"
1139# lexical subroutines and keywords of the same name
1140# CONTEXT use feature 'lexical_subs', 'switch'; no warnings 'experimental';
1141my sub default;
1142my sub else;
1143my sub elsif;
1144my sub for;
1145my sub foreach;
1146my sub given;
1147my sub if;
1148my sub m;
1149my sub no;
1150my sub package;
1151my sub q;
1152my sub qq;
1153my sub qr;
1154my sub qx;
1155my sub require;
1156my sub s;
1157my sub sub;
1158my sub tr;
1159my sub unless;
1160my sub until;
1161my sub use;
1162my sub when;
1163my sub while;
1164CORE::default { die; }
1165CORE::if ($1) { die; }
1166CORE::if ($1) { die; }
1167CORE::elsif ($1) { die; }
1168CORE::else { die; }
1169CORE::for (die; $1; die) { die; }
1170CORE::foreach $_ (1 .. 10) { die; }
1171die CORE::foreach (1);
1172CORE::given ($1) { die; }
1173CORE::m[/];
1174CORE::m?/?;
1175CORE::package foo;
1176CORE::no strict;
1177() = (CORE::q['], CORE::qq["$_], CORE::qr//, CORE::qx[`]);
1178CORE::require 1;
1179CORE::s///;
1180() = CORE::sub { die; } ;
1181CORE::tr///;
1182CORE::unless ($1) { die; }
1183CORE::until ($1) { die; }
1184die CORE::until $1;
1185CORE::use strict;
1186CORE::when ($1 ~~ $2) { die; }
1187CORE::while ($1) { die; }
1188die CORE::while $1;
1189####
0bb01b05
FC
1190# Feature hints
1191use feature 'current_sub', 'evalbytes';
1192print;
1193use 1;
1194print;
1195use 5.014;
1196print;
1197no feature 'unicode_strings';
1198print;
1199>>>>
a8095af7 1200use feature 'current_sub', 'evalbytes';
0bb01b05
FC
1201print $_;
1202no feature;
1203use feature ':default';
1204print $_;
1205no feature;
1206use feature ':5.12';
1207print $_;
a8095af7 1208no feature 'unicode_strings';
0bb01b05
FC
1209print $_;
1210####
6ec73527
FC
1211# $#- $#+ $#{%} etc.
1212my @x;
5b6da579 1213@x = ($#{`}, $#{~}, $#{!}, $#{@}, $#{$}, $#{%}, $#{^}, $#{&}, $#{*});
6ec73527
FC
1214@x = ($#{(}, $#{)}, $#{[}, $#{{}, $#{]}, $#{}}, $#{'}, $#{"}, $#{,});
1215@x = ($#{<}, $#{.}, $#{>}, $#{/}, $#{?}, $#{=}, $#+, $#{\}, $#{|}, $#-);
1216@x = ($#{;}, $#{:});
61154ac0 1217####
ff683671
NC
1218# ${#} interpolated
1219# It's a known TODO that warnings are deparsed as bits, not textually.
1220no warnings;
61154ac0 1221() = "${#}a";
958ed56b 1222####
337d7381
FC
1223# [perl #86060] $( $| $) in regexps need braces
1224/${(}/;
1225/${|}/;
1226/${)}/;
1227/${(}${|}${)}/;
1228####
958ed56b
FC
1229# ()[...]
1230my(@a) = ()[()];
521795fe
FC
1231####
1232# sort(foo(bar))
1233# sort(foo(bar)) is interpreted as sort &foo(bar)
1234# sort foo(bar) is interpreted as sort foo bar
1235# parentheses are not optional in this case
1236print sort(foo('bar'));
1237>>>>
1238print sort(foo('bar'));
24fcb59f
FC
1239####
1240# substr assignment
1241substr(my $a, 0, 0) = (foo(), bar());
1242$a++;
04be0204 1243####
d1718a7c
FC
1244# This following line works around an unfixed bug that we are not trying to
1245# test for here:
1246# CONTEXT BEGIN { $^H{a} = "b"; delete $^H{a} } # make %^H localised
04be0204
FC
1247# hint hash
1248BEGIN { $^H{'foo'} = undef; }
1249{
1250 BEGIN { $^H{'bar'} = undef; }
1251 {
1252 BEGIN { $^H{'baz'} = undef; }
1253 {
1254 print $_;
1255 }
1256 print $_;
1257 }
1258 print $_;
1259}
035146a3
FC
1260BEGIN { $^H{q[']} = '('; }
1261print $_;
c306e834 1262####
d1718a7c
FC
1263# This following line works around an unfixed bug that we are not trying to
1264# test for here:
1265# CONTEXT BEGIN { $^H{a} = "b"; delete $^H{a} } # make %^H localised
c306e834
FC
1266# hint hash changes that serialise the same way with sort %hh
1267BEGIN { $^H{'a'} = 'b'; }
1268{
1269 BEGIN { $^H{'b'} = 'a'; delete $^H{'a'}; }
1270 print $_;
1271}
1272print $_;
94bb57f9
FC
1273####
1274# [perl #47361] do({}) and do +{} (variants of do-file)
1275do({});
1276do +{};
8b46c09b
FC
1277sub foo::do {}
1278package foo;
1279CORE::do({});
1280CORE::do +{};
94bb57f9
FC
1281>>>>
1282do({});
1283do({});
8b46c09b
FC
1284package foo;
1285CORE::do({});
1286CORE::do({});
9c56d9ea
FC
1287####
1288# [perl #77096] functions that do not follow the llafr
1289() = (return 1) + time;
1290() = (return ($1 + $2) * $3) + time;
1291() = (return ($a xor $b)) + time;
1292() = (do 'file') + time;
1293() = (do ($1 + $2) * $3) + time;
1294() = (do ($1 xor $2)) + time;
41df74e3
FC
1295() = (goto 1) + 3;
1296() = (require 'foo') + 3;
1297() = (require foo) + 3;
266da325 1298() = (CORE::dump 1) + 3;
41df74e3
FC
1299() = (last 1) + 3;
1300() = (next 1) + 3;
1301() = (redo 1) + 3;
5830412d
FC
1302() = (-R $_) + 3;
1303() = (-W $_) + 3;
1304() = (-X $_) + 3;
1305() = (-r $_) + 3;
1306() = (-w $_) + 3;
1307() = (-x $_) + 3;
2462c3cc 1308####
1cabb3b3
FC
1309# [perl #97476] not() *does* follow the llafr
1310$_ = ($a xor not +($1 || 2) ** 2);
1311####
4d8ac5c7
FC
1312# Precedence conundrums with argument-less function calls
1313() = (eof) + 1;
1314() = (return) + 1;
1315() = (return, 1);
7bc8c979
FC
1316() = warn;
1317() = warn() + 1;
4d8ac5c7
FC
1318() = setpgrp() + 1;
1319####
1eb0b7be
FC
1320# loopexes have assignment prec
1321() = (CORE::dump a) | 'b';
1322() = (goto a) | 'b';
1323() = (last a) | 'b';
1324() = (next a) | 'b';
1325() = (redo a) | 'b';
1326####
2462c3cc
FC
1327# [perl #63558] open local(*FH)
1328open local *FH;
564cd6cb 1329pipe local *FH, local *FH;
843b15cc 1330####
b89b7257
FC
1331# [perl #91416] open "string"
1332open 'open';
1333open '####';
1334open '^A';
1335open "\ca";
1336>>>>
1337open *open;
1338open '####';
1339open '^A';
1340open *^A;
1341####
be6cf5cf
FC
1342# "string"->[] ->{}
1343no strict 'vars';
1344() = 'open'->[0]; #aelemfast
1345() = '####'->[0];
1346() = '^A'->[0];
1347() = "\ca"->[0];
b861b87f 1348() = 'a::]b'->[0];
10e8e32b
FC
1349() = 'open'->[$_]; #aelem
1350() = '####'->[$_];
1351() = '^A'->[$_];
1352() = "\ca"->[$_];
b861b87f 1353() = 'a::]b'->[$_];
10e8e32b
FC
1354() = 'open'->{0}; #helem
1355() = '####'->{0};
1356() = '^A'->{0};
1357() = "\ca"->{0};
b861b87f 1358() = 'a::]b'->{0};
be6cf5cf 1359>>>>
415d4c68 1360no strict 'vars';
be6cf5cf
FC
1361() = $open[0];
1362() = '####'->[0];
1363() = '^A'->[0];
1364() = $^A[0];
b861b87f 1365() = 'a::]b'->[0];
10e8e32b
FC
1366() = $open[$_];
1367() = '####'->[$_];
1368() = '^A'->[$_];
1369() = $^A[$_];
b861b87f 1370() = 'a::]b'->[$_];
10e8e32b
FC
1371() = $open{'0'};
1372() = '####'->{'0'};
1373() = '^A'->{'0'};
1374() = $^A{'0'};
b861b87f 1375() = 'a::]b'->{'0'};
be6cf5cf 1376####
843b15cc
FC
1377# [perl #74740] -(f()) vs -f()
1378$_ = -(f());
c75b4828
FC
1379####
1380# require <binop>
1381require 'a' . $1;
afb60448
HY
1382####
1383#[perl #30504] foreach-my postfix/prefix difference
1384$_ = 'foo' foreach my ($foo1, $bar1, $baz1);
1385foreach (my ($foo2, $bar2, $baz2)) { $_ = 'foo' }
1386foreach my $i (my ($foo3, $bar3, $baz3)) { $i = 'foo' }
1387>>>>
1388$_ = 'foo' foreach (my($foo1, $bar1, $baz1));
1389foreach $_ (my($foo2, $bar2, $baz2)) {
1390 $_ = 'foo';
1391}
1392foreach my $i (my($foo3, $bar3, $baz3)) {
1393 $i = 'foo';
1394}
1395####
1396#[perl #108224] foreach with continue block
1397foreach (1 .. 3) { print } continue { print "\n" }
1398foreach (1 .. 3) { } continue { }
1399foreach my $i (1 .. 3) { print $i } continue { print "\n" }
1400foreach my $i (1 .. 3) { } continue { }
1401>>>>
1402foreach $_ (1 .. 3) {
1403 print $_;
1404}
1405continue {
1406 print "\n";
1407}
1408foreach $_ (1 .. 3) {
1409 ();
1410}
1411continue {
1412 ();
1413}
1414foreach my $i (1 .. 3) {
1415 print $i;
1416}
1417continue {
1418 print "\n";
1419}
1420foreach my $i (1 .. 3) {
1421 ();
1422}
1423continue {
1424 ();
1425}
bc1cc2c3
DM
1426####
1427# file handles
1428no strict;
1429my $mfh;
1430open F;
1431open *F;
1432open $fh;
1433open $mfh;
1434open 'a+b';
1435select *F;
1436select F;
1437select $f;
1438select $mfh;
1439select 'a+b';
a7fd8ef6
DM
1440####
1441# 'my' works with padrange op
1442my($z, @z);
1443my $m1;
1444$m1 = 1;
1445$z = $m1;
1446my $m2 = 2;
1447my($m3, $m4);
1448($m3, $m4) = (1, 2);
1449@z = ($m3, $m4);
1450my($m5, $m6) = (1, 2);
1451my($m7, undef, $m8) = (1, 2, 3);
1452@z = ($m7, undef, $m8);
1453($m7, undef, $m8) = (1, 2, 3);
1454####
1455# 'our/local' works with padrange op
1456no strict;
1457our($z, @z);
1458our $o1;
1459local $o11;
1460$o1 = 1;
1461local $o1 = 1;
1462$z = $o1;
1463$z = local $o1;
1464our $o2 = 2;
1465our($o3, $o4);
1466($o3, $o4) = (1, 2);
1467local($o3, $o4) = (1, 2);
1468@z = ($o3, $o4);
1469@z = local($o3, $o4);
1470our($o5, $o6) = (1, 2);
1471our($o7, undef, $o8) = (1, 2, 3);
1472@z = ($o7, undef, $o8);
1473@z = local($o7, undef, $o8);
1474($o7, undef, $o8) = (1, 2, 3);
1475local($o7, undef, $o8) = (1, 2, 3);
1476####
1477# 'state' works with padrange op
1478no strict;
1479use feature 'state';
1480state($z, @z);
1481state $s1;
1482$s1 = 1;
1483$z = $s1;
1484state $s2 = 2;
1485state($s3, $s4);
1486($s3, $s4) = (1, 2);
1487@z = ($s3, $s4);
1488# assignment of state lists isn't implemented yet
1489#state($s5, $s6) = (1, 2);
1490#state($s7, undef, $s8) = (1, 2, 3);
1491#@z = ($s7, undef, $s8);
1492($s7, undef, $s8) = (1, 2, 3);
1493####
1494# anon lists with padrange
1495my($a, $b);
1496my $c = [$a, $b];
1497my $d = {$a, $b};
1498####
1499# slices with padrange
1500my($a, $b);
1501my(@x, %y);
1502@x = @x[$a, $b];
1503@x = @y{$a, $b};
1504####
1505# binops with padrange
1506my($a, $b, $c);
1507$c = $a cmp $b;
1508$c = $a + $b;
1509$a += $b;
1510$c = $a - $b;
1511$a -= $b;
1512$c = my $a1 cmp $b;
1513$c = my $a2 + $b;
1514$a += my $b1;
1515$c = my $a3 - $b;
1516$a -= my $b2;
1517####
1518# 'x' with padrange
1519my($a, $b, $c, $d, @e);
1520$c = $a x $b;
1521$a x= $b;
1522@e = ($a) x $d;
1523@e = ($a, $b) x $d;
1524@e = ($a, $b, $c) x $d;
1525@e = ($a, 1) x $d;
d5524600
DM
1526####
1527# @_ with padrange
1528my($a, $b, $c) = @_;
ce4062e7
AC
1529####
1530# SKIP ?$] < 5.017004 && "lexical subs not implemented on this Perl version"
1531# TODO unimplemented in B::Deparse; RT #116553
1532# lexical subroutine
1533use feature 'lexical_subs';
601448c3 1534no warnings "experimental::lexical_subs";
ce4062e7
AC
1535my sub f {}
1536print f();
f0cf3754
AC
1537####
1538# SKIP ?$] < 5.017004 && "lexical subs not implemented on this Perl version"
1539# TODO unimplemented in B::Deparse; RT #116553
1540# lexical "state" subroutine
1541use feature 'state', 'lexical_subs';
1542no warnings 'experimental::lexical_subs';
1543state sub f {}
1544print f();
bcbe2b27 1545####
8443930e
FC
1546# SKIP ?$] < 5.017004 && "lexical subs not implemented on this Perl version"
1547# TODO unimplemented in B::Deparse; RT #116553
1548# lexical subroutine scoping
1549# CONTEXT use feature 'lexical_subs'; no warnings 'experimental::lexical_subs';
1550{
1551 {
1552 my sub a { die; }
1553 {
1554 foo();
1555 my sub b;
1556 b();
1557 main::b();
1558 my $b;
1559 sub b { $b }
1560 }
1561 }
1562 b();
1563}
1564####
bcbe2b27
FC
1565# Elements of %# should not be confused with $#{ array }
1566() = ${#}{'foo'};
c4cf781e
FC
1567####
1568# [perl #121050] Prototypes with whitespace
1569sub _121050(\$ \$) { }
1570_121050($a,$b);
1571sub _121050empty( ) {}
1572() = _121050empty() + 1;
1573>>>>
1574_121050 $a, $b;
1575() = _121050empty + 1;
b024352e
DM
1576####
1577# ensure aelemfast works in the range -128..127 and that there's no
1578# funky edge cases
1579my $x;
1580no strict 'vars';
1581$x = $a[-256] + $a[-255] + $a[-129] + $a[-128] + $a[-127] + $a[-1] + $a[0];
1582$x = $a[1] + $a[126] + $a[127] + $a[128] + $a[255] + $a[256];
1583my @b;
1584$x = $b[-256] + $b[-255] + $b[-129] + $b[-128] + $b[-127] + $b[-1] + $b[0];
1585$x = $b[1] + $b[126] + $b[127] + $b[128] + $b[255] + $b[256];
e09d73a6
DIM
1586####
1587# 'm' must be preserved in m??
1588m??;
c8ec376c
FC
1589####
1590# \(@array) and \(..., (@array), ...)
1591my(@array, %hash, @a, @b, %c, %d);
1592() = \(@array);
1593() = \(%hash);
1594() = \(@a, (@b), (%c), %d);
1595() = \(@Foo::array);
1596() = \(%Foo::hash);
1597() = \(@Foo::a, (@Foo::b), (%Foo::c), %Foo::d);
a958cfbb
FC
1598####
1599# subs synonymous with keywords
1600main::our();
1601main::pop();
1602state();
1603use feature 'state';
1604main::state();