Commit | Line | Data |
---|---|---|
599cee73 PM |
1 | op.c AOK |
2 | ||
599cee73 PM |
3 | Found = in conditional, should be == |
4 | 1 if $a = 1 ; | |
5 | ||
b80ba9b6 FC |
6 | Scalar value %.*s better written as $%.*s" |
7 | @a[3] = 2; | |
8 | @a{3} = 2; | |
9 | ||
599cee73 PM |
10 | Useless use of time in void context |
11 | Useless use of a variable in void context | |
12 | Useless use of a constant in void context | |
13 | time ; | |
14 | $a ; | |
15 | "abc" | |
16 | ||
a801c63c RGS |
17 | Useless use of sort in scalar context |
18 | my $x = sort (2,1,3); | |
19 | ||
599cee73 PM |
20 | Applying %s to %s will act on scalar(%s) |
21 | my $a ; my @a = () ; my %a = () ; my $b = \@a ; my $c = \%a ; | |
22 | @a =~ /abc/ ; | |
23 | @a =~ s/a/b/ ; | |
24 | @a =~ tr/a/b/ ; | |
25 | @$b =~ /abc/ ; | |
26 | @$b =~ s/a/b/ ; | |
27 | @$b =~ tr/a/b/ ; | |
28 | %a =~ /abc/ ; | |
29 | %a =~ s/a/b/ ; | |
30 | %a =~ tr/a/b/ ; | |
31 | %$c =~ /abc/ ; | |
32 | %$c =~ s/a/b/ ; | |
33 | %$c =~ tr/a/b/ ; | |
34 | ||
35 | ||
df5b6949 | 36 | Parentheses missing around "my" list at -e line 1. |
599cee73 PM |
37 | my $a, $b = (1,2); |
38 | ||
df5b6949 | 39 | Parentheses missing around "local" list at -e line 1. |
599cee73 PM |
40 | local $a, $b = (1,2); |
41 | ||
34d09196 | 42 | Bareword found in conditional at -e line 1. |
e476b1b5 | 43 | use warnings 'bareword'; my $x = print(ABC || 1); |
599cee73 PM |
44 | |
45 | Value of %s may be \"0\"; use \"defined\" | |
46 | $x = 1 if $x = <FH> ; | |
47 | $x = 1 while $x = <FH> ; | |
48 | ||
49 | Subroutine fred redefined at -e line 1. | |
50 | sub fred{1;} sub fred{1;} | |
51 | ||
52 | Constant subroutine %s redefined | |
53 | sub fred() {1;} sub fred() {1;} | |
54 | ||
55 | Format FRED redefined at /tmp/x line 5. | |
56 | format FRED = | |
57 | . | |
58 | format FRED = | |
59 | . | |
60 | ||
599cee73 | 61 | Statement unlikely to be reached |
cc507455 | 62 | (Maybe you meant system() when you said exec()? |
599cee73 PM |
63 | exec "true" ; my $a |
64 | ||
e35475de | 65 | Can't use defined(@array) (Maybe you should just omit the defined()?) |
69794302 MJD |
66 | my @a ; defined @a ; |
67 | defined (@a = (1,2,3)) ; | |
68 | ||
e35475de | 69 | Can't use defined(%hash) (Maybe you should just omit the defined()?) |
69794302 | 70 | my %h ; defined %h ; |
89474f50 | 71 | |
271c8bde FC |
72 | "my %s" used in sort comparison |
73 | ||
89474f50 | 74 | $[ used in comparison (did you mean $] ?) |
e508c8a4 MH |
75 | |
76 | length() used on @array (did you mean "scalar(@array)"?) | |
77 | length() used on %hash (did you mean "scalar(keys %hash)"?) | |
78 | ||
eb6e2d6f GS |
79 | /---/ should probably be written as "---" |
80 | join(/---/, @foo); | |
599cee73 | 81 | |
767a6a26 PM |
82 | %s() called too early to check prototype [Perl_peep] |
83 | fred() ; sub fred ($$) {} | |
84 | ||
85 | ||
15a8c21e | 86 | Package '%s' not found (did you use the incorrect case?) |
3b434eb1 | 87 | |
f34840d8 MJD |
88 | Use of /g modifier is meaningless in split |
89 | ||
82afc3d4 FC |
90 | The bitwise feature is experimental [Perl_ck_bitop] |
91 | ||
276b2a0c RGS |
92 | Possible precedence problem on bitwise %c operator [Perl_ck_bitop] |
93 | ||
0453d815 PM |
94 | Mandatory Warnings |
95 | ------------------ | |
96 | Prototype mismatch: [cv_ckproto] | |
97 | sub fred() ; | |
98 | sub fred($) {} | |
99 | ||
0453d815 PM |
100 | oops: oopsAV [oopsAV] TODO |
101 | oops: oopsHV [oopsHV] TODO | |
102 | ||
599cee73 PM |
103 | __END__ |
104 | # op.c | |
4438c4b7 | 105 | use warnings 'syntax' ; |
599cee73 | 106 | 1 if $a = 1 ; |
2b7cddde NC |
107 | 1 if $a |
108 | = 1 ; | |
4438c4b7 | 109 | no warnings 'syntax' ; |
0453d815 | 110 | 1 if $a = 1 ; |
2b7cddde NC |
111 | 1 if $a |
112 | = 1 ; | |
599cee73 PM |
113 | EXPECT |
114 | Found = in conditional, should be == at - line 3. | |
2b7cddde | 115 | Found = in conditional, should be == at - line 4. |
599cee73 PM |
116 | ######## |
117 | # op.c | |
6b7c6d95 FC |
118 | use warnings 'syntax' ; |
119 | use constant foo => 1; | |
120 | 1 if $a = foo ; | |
121 | no warnings 'syntax' ; | |
122 | 1 if $a = foo ; | |
123 | EXPECT | |
124 | ######## | |
125 | # op.c | |
08b3e84f TC |
126 | # NAME unless with assignment as condition |
127 | use warnings 'syntax'; | |
128 | 1 unless $a = 1; | |
129 | unless ($a = 1) { | |
130 | 1; | |
131 | } | |
132 | EXPECT | |
133 | Found = in conditional, should be == at - line 3. | |
134 | Found = in conditional, should be == at - line 4. | |
135 | ######## | |
136 | # op.c | |
0a44e30b DC |
137 | # NAME while with assignment as condition |
138 | use warnings 'syntax'; | |
139 | 1 while $a = 0; | |
140 | while ($a = 0) { | |
141 | 1; | |
142 | } | |
143 | EXPECT | |
144 | Found = in conditional, should be == at - line 3. | |
145 | Found = in conditional, should be == at - line 4. | |
146 | ######## | |
147 | # op.c | |
148 | # NAME until with assignment as condition | |
149 | use warnings 'syntax'; | |
150 | 1 until $a = 1; | |
151 | until ($a = 1) { | |
152 | 1; | |
153 | } | |
154 | EXPECT | |
155 | Found = in conditional, should be == at - line 3. | |
156 | Found = in conditional, should be == at - line 4. | |
157 | ######## | |
158 | # op.c | |
b80ba9b6 | 159 | use warnings 'syntax' ; |
429a2555 FC |
160 | @a[3]; |
161 | @a{3}; | |
162 | @a["]"]; | |
163 | @a{"]"}; | |
164 | @a["}"]; | |
165 | @a{"}"}; | |
166 | @a{$_}; | |
167 | @a{--$_}; | |
168 | @a[$_]; | |
169 | @a[--$_]; | |
b80ba9b6 | 170 | no warnings 'syntax' ; |
429a2555 FC |
171 | @a[3]; |
172 | @a{3}; | |
b80ba9b6 FC |
173 | EXPECT |
174 | Scalar value @a[3] better written as $a[3] at - line 3. | |
175 | Scalar value @a{3} better written as $a{3} at - line 4. | |
429a2555 FC |
176 | Scalar value @a["]"] better written as $a["]"] at - line 5. |
177 | Scalar value @a{"]"} better written as $a{"]"} at - line 6. | |
178 | Scalar value @a["}"] better written as $a["}"] at - line 7. | |
179 | Scalar value @a{"}"} better written as $a{"}"} at - line 8. | |
180 | Scalar value @a{...} better written as $a{...} at - line 9. | |
181 | Scalar value @a{...} better written as $a{...} at - line 10. | |
182 | Scalar value @a[...] better written as $a[...] at - line 11. | |
183 | Scalar value @a[...] better written as $a[...] at - line 12. | |
b80ba9b6 FC |
184 | ######## |
185 | # op.c | |
186 | use utf8; | |
187 | use open qw( :utf8 :std ); | |
188 | use warnings 'syntax' ; | |
429a2555 FC |
189 | @à[3]; |
190 | @à{3}; | |
b80ba9b6 | 191 | no warnings 'syntax' ; |
429a2555 FC |
192 | @à[3]; |
193 | @à{3}; | |
b80ba9b6 FC |
194 | EXPECT |
195 | Scalar value @à[3] better written as $à[3] at - line 5. | |
196 | Scalar value @à{3} better written as $à{3} at - line 6. | |
197 | ######## | |
198 | # op.c | |
199 | use utf8; | |
200 | use open qw( :utf8 :std ); | |
201 | use warnings 'syntax' ; | |
429a2555 FC |
202 | @ぁ[3]; |
203 | @ぁ{3}; | |
b80ba9b6 | 204 | no warnings 'syntax' ; |
429a2555 FC |
205 | @ぁ[3]; |
206 | @ぁ{3}; | |
b80ba9b6 FC |
207 | EXPECT |
208 | Scalar value @ぁ[3] better written as $ぁ[3] at - line 5. | |
209 | Scalar value @ぁ{3} better written as $ぁ{3} at - line 6. | |
210 | ######## | |
211 | # op.c | |
429a2555 FC |
212 | # "Scalar value better written as" false positives |
213 | # [perl #28380] and [perl #114024] | |
214 | use warnings 'syntax'; | |
215 | ||
216 | # hashes | |
217 | @h{qw"a b c"} = 1..3; | |
218 | @h{qw'a b c'} = 1..3; | |
219 | @h{qw$a b c$} = 1..3; | |
220 | @h{qw-a b c-} = 1..3; | |
221 | @h{qw#a b c#} = 1..3; | |
222 | @h{ qw#a b c#} = 1..3; | |
223 | @h{ qw#a b c#} = 1..3; # tab before qw | |
224 | @h{qw "a"}; | |
225 | @h{ qw "a"}; | |
226 | @h{ qw "a"}; | |
227 | sub foo() { qw/abc def ghi/ } | |
228 | @X{+foo} = ( 1 .. 3 ); | |
229 | $_ = "abc"; @X{split ""} = ( 1 .. 3 ); | |
230 | my @s = @f{"}", "a"}; | |
231 | my @s = @f{"]", "a"}; | |
232 | @a{$],0}; | |
233 | @_{0} = /(.*)/; | |
234 | @h{m "$re"}; | |
235 | @h{qx ""} if 0; | |
236 | @h{glob ""}; | |
237 | @h{readline ""}; | |
238 | @h{m ""}; | |
239 | use constant phoo => 1..3; | |
240 | @h{+phoo}; # rv2av | |
429a2555 FC |
241 | @h{sort foo}; |
242 | @h{reverse foo}; | |
243 | @h{caller 0}; | |
244 | @h{lstat ""}; | |
245 | @h{stat ""}; | |
246 | @h{readdir ""}; | |
247 | @h{system ""} if 0; | |
248 | @h{+times} if 0; | |
249 | @h{localtime 0}; | |
250 | @h{gmtime 0}; | |
251 | @h{eval ""}; | |
429a2555 FC |
252 | |
253 | # arrays | |
254 | @h[qw"a b c"] = 1..3; | |
255 | @h[qw'a b c'] = 1..3; | |
256 | @h[qw$a b c$] = 1..3; | |
257 | @h[qw-a b c-] = 1..3; | |
258 | @h[qw#a b c#] = 1..3; | |
259 | @h[ qw#a b c#] = 1..3; | |
260 | @h[ qw#a b c#] = 1..3; # tab before qw | |
261 | @h[qw "a"]; | |
262 | @h[ qw "a"]; | |
263 | @h[ qw "a"]; | |
264 | sub foo() { qw/abc def ghi/ } | |
265 | @X[+foo] = ( 1 .. 3 ); | |
266 | $_ = "abc"; @X[split ""] = ( 1 .. 3 ); | |
267 | my @s = @f["}", "a"]; | |
268 | my @s = @f["]", "a"]; | |
269 | @a[$],0]; | |
270 | @_[0] = /(.*)/; | |
271 | @h[m "$re"]; | |
272 | @h[qx ""] if 0; | |
273 | @h[glob ""]; | |
274 | @h[readline ""]; | |
275 | @h[m ""]; | |
276 | use constant phoo => 1..3; | |
277 | @h[+phoo]; # rv2av | |
429a2555 FC |
278 | @h[sort foo]; |
279 | @h[reverse foo]; | |
280 | @h[caller 0]; | |
281 | @h[lstat ""]; | |
282 | @h[stat ""]; | |
283 | @h[readdir ""]; | |
284 | @h[system ""] if 0; | |
285 | @h[+times] if 0; | |
286 | @h[localtime 0]; | |
287 | @h[gmtime 0]; | |
288 | @h[eval ""]; | |
429a2555 FC |
289 | EXPECT |
290 | ######## | |
291 | # op.c | |
292 | # "Scalar value better written as" should not trigger for syntax errors | |
293 | use warnings 'syntax'; | |
294 | @a[] | |
295 | EXPECT | |
296 | syntax error at - line 4, near "[]" | |
297 | Execution of - aborted due to compilation errors. | |
298 | ######## | |
299 | # op.c | |
1f1ec7b5 | 300 | my %foo; |
a1063b2d | 301 | %main::foo->{"bar"}; |
1f1ec7b5 KW |
302 | EXPECT |
303 | OPTION fatal | |
304 | Can't use a hash as a reference at - line 3. | |
305 | ######## | |
306 | # op.c | |
307 | my %foo; | |
a1063b2d | 308 | %foo->{"bar"}; |
1f1ec7b5 KW |
309 | EXPECT |
310 | OPTION fatal | |
311 | Can't use a hash as a reference at - line 3. | |
312 | ######## | |
313 | # op.c | |
314 | my @foo; | |
a1063b2d | 315 | @main::foo->[23]; |
1f1ec7b5 KW |
316 | EXPECT |
317 | OPTION fatal | |
318 | Can't use an array as a reference at - line 3. | |
319 | ######## | |
320 | # op.c | |
321 | my @foo; | |
a1063b2d | 322 | @foo->[23]; |
1f1ec7b5 KW |
323 | EXPECT |
324 | OPTION fatal | |
325 | Can't use an array as a reference at - line 3. | |
326 | ######## | |
327 | # op.c | |
328 | my %foo; | |
a1063b2d | 329 | $main::foo = {}; %$main::foo->{"bar"}; |
1f1ec7b5 KW |
330 | EXPECT |
331 | OPTION fatal | |
332 | Can't use a hash as a reference at - line 3. | |
333 | ######## | |
334 | # op.c | |
335 | my %foo; | |
a1063b2d | 336 | $foo = {}; %$foo->{"bar"}; |
1f1ec7b5 KW |
337 | EXPECT |
338 | OPTION fatal | |
339 | Can't use a hash as a reference at - line 3. | |
340 | ######## | |
341 | # op.c | |
342 | my @foo; | |
a1063b2d | 343 | $main::foo = []; @$main::foo->[34]; |
1f1ec7b5 KW |
344 | EXPECT |
345 | OPTION fatal | |
346 | Can't use an array as a reference at - line 3. | |
347 | ######## | |
348 | # op.c | |
349 | my @foo; | |
a1063b2d RH |
350 | $foo = []; @$foo->[34]; |
351 | EXPECT | |
1f1ec7b5 KW |
352 | OPTION fatal |
353 | Can't use an array as a reference at - line 3. | |
a1063b2d RH |
354 | ######## |
355 | # op.c | |
0f539b13 | 356 | use warnings 'void' ; no warnings 'experimental::smartmatch'; close STDIN ; |
baed7faa FC |
357 | #line 2 |
358 | 1 x 3 ; # OP_REPEAT (folded) | |
359 | (1) x 3 ; # OP_REPEAT | |
599cee73 PM |
360 | # OP_GVSV |
361 | wantarray ; # OP_WANTARRAY | |
362 | # OP_GV | |
363 | # OP_PADSV | |
364 | # OP_PADAV | |
365 | # OP_PADHV | |
366 | # OP_PADANY | |
367 | # OP_AV2ARYLEN | |
368 | ref ; # OP_REF | |
18690b0b | 369 | \(@a) ; # OP_REFGEN |
599cee73 PM |
370 | \$a ; # OP_SREFGEN |
371 | defined $a ; # OP_DEFINED | |
372 | hex $a ; # OP_HEX | |
373 | oct $a ; # OP_OCT | |
374 | length $a ; # OP_LENGTH | |
375 | substr $a,1 ; # OP_SUBSTR | |
376 | vec $a,1,2 ; # OP_VEC | |
377 | index $a,1,2 ; # OP_INDEX | |
378 | rindex $a,1,2 ; # OP_RINDEX | |
379 | sprintf $a ; # OP_SPRINTF | |
380 | $a[0] ; # OP_AELEM | |
381 | # OP_AELEMFAST | |
382 | @a[0] ; # OP_ASLICE | |
383 | #values %a ; # OP_VALUES | |
384 | #keys %a ; # OP_KEYS | |
385 | $a{0} ; # OP_HELEM | |
386 | @a{0} ; # OP_HSLICE | |
387 | unpack "a", "a" ; # OP_UNPACK | |
388 | pack $a,"" ; # OP_PACK | |
987c9691 | 389 | join "", @_ ; # OP_JOIN |
599cee73 PM |
390 | (@a)[0,1] ; # OP_LSLICE |
391 | # OP_ANONLIST | |
392 | # OP_ANONHASH | |
393 | sort(1,2) ; # OP_SORT | |
394 | reverse(1,2) ; # OP_REVERSE | |
395 | # OP_RANGE | |
396 | # OP_FLIP | |
397 | (1 ..2) ; # OP_FLOP | |
398 | caller ; # OP_CALLER | |
399 | fileno STDIN ; # OP_FILENO | |
400 | eof STDIN ; # OP_EOF | |
401 | tell STDIN ; # OP_TELL | |
402 | readlink 1; # OP_READLINK | |
403 | time ; # OP_TIME | |
404 | localtime ; # OP_LOCALTIME | |
405 | gmtime ; # OP_GMTIME | |
dfe13c55 GS |
406 | eval { getgrnam 1 }; # OP_GGRNAM |
407 | eval { getgrgid 1 }; # OP_GGRGID | |
408 | eval { getpwnam 1 }; # OP_GPWNAM | |
409 | eval { getpwuid 1 }; # OP_GPWUID | |
78e1b766 | 410 | prototype "foo"; # OP_PROTOTYPE |
74295f0b MS |
411 | $a ~~ $b; # OP_SMARTMATCH |
412 | $a <=> $b; # OP_NCMP | |
60282a49 KW |
413 | "dsatrewq"; |
414 | "diatrewq"; | |
415 | "igatrewq"; | |
703227f5 | 416 | use 5.015; |
3246b00e FC |
417 | __SUB__ ; # OP_RUNCV |
418 | []; # OP_ANONLIST | |
3c3f8cd6 | 419 | grep /42/, (1,2); # OP_GREP. Not warned about (yet). Grep git logs for void_unusual to see why... |
599cee73 | 420 | EXPECT |
baed7faa | 421 | Useless use of a constant ("111") in void context at - line 2. |
42d38218 | 422 | Useless use of repeat (x) in void context at - line 3. |
599cee73 PM |
423 | Useless use of wantarray in void context at - line 5. |
424 | Useless use of reference-type operator in void context at - line 12. | |
425 | Useless use of reference constructor in void context at - line 13. | |
d6c467eb | 426 | Useless use of single ref constructor in void context at - line 14. |
599cee73 PM |
427 | Useless use of defined operator in void context at - line 15. |
428 | Useless use of hex in void context at - line 16. | |
429 | Useless use of oct in void context at - line 17. | |
430 | Useless use of length in void context at - line 18. | |
431 | Useless use of substr in void context at - line 19. | |
432 | Useless use of vec in void context at - line 20. | |
433 | Useless use of index in void context at - line 21. | |
434 | Useless use of rindex in void context at - line 22. | |
435 | Useless use of sprintf in void context at - line 23. | |
436 | Useless use of array element in void context at - line 24. | |
437 | Useless use of array slice in void context at - line 26. | |
f1612b5c | 438 | Useless use of hash element in void context at - line 29. |
599cee73 PM |
439 | Useless use of hash slice in void context at - line 30. |
440 | Useless use of unpack in void context at - line 31. | |
441 | Useless use of pack in void context at - line 32. | |
297b36dc | 442 | Useless use of join or string in void context at - line 33. |
599cee73 PM |
443 | Useless use of list slice in void context at - line 34. |
444 | Useless use of sort in void context at - line 37. | |
445 | Useless use of reverse in void context at - line 38. | |
446 | Useless use of range (or flop) in void context at - line 41. | |
447 | Useless use of caller in void context at - line 42. | |
448 | Useless use of fileno in void context at - line 43. | |
449 | Useless use of eof in void context at - line 44. | |
450 | Useless use of tell in void context at - line 45. | |
451 | Useless use of readlink in void context at - line 46. | |
452 | Useless use of time in void context at - line 47. | |
453 | Useless use of localtime in void context at - line 48. | |
454 | Useless use of gmtime in void context at - line 49. | |
455 | Useless use of getgrnam in void context at - line 50. | |
456 | Useless use of getgrgid in void context at - line 51. | |
457 | Useless use of getpwnam in void context at - line 52. | |
458 | Useless use of getpwuid in void context at - line 53. | |
78e1b766 | 459 | Useless use of subroutine prototype in void context at - line 54. |
f5df4782 RGS |
460 | Useless use of smart match in void context at - line 55. |
461 | Useless use of numeric comparison (<=>) in void context at - line 56. | |
60282a49 KW |
462 | Useless use of a constant ("dsatrewq") in void context at - line 57. |
463 | Useless use of a constant ("diatrewq") in void context at - line 58. | |
464 | Useless use of a constant ("igatrewq") in void context at - line 59. | |
465 | Useless use of __SUB__ in void context at - line 61. | |
3246b00e | 466 | Useless use of anonymous array ([]) in void context at - line 62. |
599cee73 PM |
467 | ######## |
468 | # op.c | |
a801c63c RGS |
469 | use warnings 'void' ; close STDIN ; |
470 | my $x = sort (2,1,3); | |
471 | no warnings 'void' ; | |
472 | $x = sort (2,1,3); | |
473 | EXPECT | |
474 | Useless use of sort in scalar context at - line 3. | |
475 | ######## | |
476 | # op.c | |
4438c4b7 | 477 | no warnings 'void' ; close STDIN ; |
0453d815 PM |
478 | 1 x 3 ; # OP_REPEAT |
479 | # OP_GVSV | |
480 | wantarray ; # OP_WANTARRAY | |
481 | # OP_GV | |
482 | # OP_PADSV | |
483 | # OP_PADAV | |
484 | # OP_PADHV | |
485 | # OP_PADANY | |
486 | # OP_AV2ARYLEN | |
487 | ref ; # OP_REF | |
488 | \@a ; # OP_REFGEN | |
489 | \$a ; # OP_SREFGEN | |
490 | defined $a ; # OP_DEFINED | |
491 | hex $a ; # OP_HEX | |
492 | oct $a ; # OP_OCT | |
493 | length $a ; # OP_LENGTH | |
494 | substr $a,1 ; # OP_SUBSTR | |
495 | vec $a,1,2 ; # OP_VEC | |
496 | index $a,1,2 ; # OP_INDEX | |
497 | rindex $a,1,2 ; # OP_RINDEX | |
498 | sprintf $a ; # OP_SPRINTF | |
499 | $a[0] ; # OP_AELEM | |
500 | # OP_AELEMFAST | |
501 | @a[0] ; # OP_ASLICE | |
502 | #values %a ; # OP_VALUES | |
503 | #keys %a ; # OP_KEYS | |
504 | $a{0} ; # OP_HELEM | |
505 | @a{0} ; # OP_HSLICE | |
506 | unpack "a", "a" ; # OP_UNPACK | |
507 | pack $a,"" ; # OP_PACK | |
508 | join "" ; # OP_JOIN | |
509 | (@a)[0,1] ; # OP_LSLICE | |
510 | # OP_ANONLIST | |
511 | # OP_ANONHASH | |
512 | sort(1,2) ; # OP_SORT | |
513 | reverse(1,2) ; # OP_REVERSE | |
514 | # OP_RANGE | |
515 | # OP_FLIP | |
516 | (1 ..2) ; # OP_FLOP | |
517 | caller ; # OP_CALLER | |
518 | fileno STDIN ; # OP_FILENO | |
519 | eof STDIN ; # OP_EOF | |
520 | tell STDIN ; # OP_TELL | |
521 | readlink 1; # OP_READLINK | |
522 | time ; # OP_TIME | |
523 | localtime ; # OP_LOCALTIME | |
524 | gmtime ; # OP_GMTIME | |
525 | eval { getgrnam 1 }; # OP_GGRNAM | |
526 | eval { getgrgid 1 }; # OP_GGRGID | |
527 | eval { getpwnam 1 }; # OP_GPWNAM | |
528 | eval { getpwuid 1 }; # OP_GPWUID | |
78e1b766 | 529 | prototype "foo"; # OP_PROTOTYPE |
0453d815 PM |
530 | EXPECT |
531 | ######## | |
532 | # op.c | |
4438c4b7 | 533 | use warnings 'void' ; |
68c73484 | 534 | for (@{[0]}) { "$_" } # check warning isn't duplicated |
4438c4b7 | 535 | no warnings 'void' ; |
0453d815 | 536 | for (@{[0]}) { "$_" } # check warning isn't duplicated |
68c73484 JH |
537 | EXPECT |
538 | Useless use of string in void context at - line 3. | |
539 | ######## | |
540 | # op.c | |
4438c4b7 | 541 | use warnings 'void' ; |
599cee73 PM |
542 | use Config ; |
543 | BEGIN { | |
544 | if ( ! $Config{d_telldir}) { | |
545 | print <<EOM ; | |
546 | SKIPPED | |
547 | # telldir not present | |
548 | EOM | |
549 | exit | |
550 | } | |
551 | } | |
552 | telldir 1 ; # OP_TELLDIR | |
4438c4b7 | 553 | no warnings 'void' ; |
0453d815 | 554 | telldir 1 ; # OP_TELLDIR |
599cee73 PM |
555 | EXPECT |
556 | Useless use of telldir in void context at - line 13. | |
557 | ######## | |
558 | # op.c | |
4438c4b7 | 559 | use warnings 'void' ; |
599cee73 PM |
560 | use Config ; |
561 | BEGIN { | |
562 | if ( ! $Config{d_getppid}) { | |
563 | print <<EOM ; | |
564 | SKIPPED | |
565 | # getppid not present | |
566 | EOM | |
567 | exit | |
568 | } | |
569 | } | |
570 | getppid ; # OP_GETPPID | |
4438c4b7 | 571 | no warnings 'void' ; |
0453d815 | 572 | getppid ; # OP_GETPPID |
599cee73 PM |
573 | EXPECT |
574 | Useless use of getppid in void context at - line 13. | |
575 | ######## | |
576 | # op.c | |
4438c4b7 | 577 | use warnings 'void' ; |
599cee73 PM |
578 | use Config ; |
579 | BEGIN { | |
580 | if ( ! $Config{d_getpgrp}) { | |
581 | print <<EOM ; | |
582 | SKIPPED | |
583 | # getpgrp not present | |
584 | EOM | |
585 | exit | |
586 | } | |
587 | } | |
588 | getpgrp ; # OP_GETPGRP | |
4438c4b7 | 589 | no warnings 'void' ; |
0453d815 | 590 | getpgrp ; # OP_GETPGRP |
599cee73 PM |
591 | EXPECT |
592 | Useless use of getpgrp in void context at - line 13. | |
593 | ######## | |
594 | # op.c | |
4438c4b7 | 595 | use warnings 'void' ; |
599cee73 PM |
596 | use Config ; |
597 | BEGIN { | |
598 | if ( ! $Config{d_times}) { | |
599 | print <<EOM ; | |
600 | SKIPPED | |
601 | # times not present | |
602 | EOM | |
603 | exit | |
604 | } | |
605 | } | |
606 | times ; # OP_TMS | |
4438c4b7 | 607 | no warnings 'void' ; |
0453d815 | 608 | times ; # OP_TMS |
599cee73 PM |
609 | EXPECT |
610 | Useless use of times in void context at - line 13. | |
611 | ######## | |
612 | # op.c | |
4438c4b7 | 613 | use warnings 'void' ; |
599cee73 PM |
614 | use Config ; |
615 | BEGIN { | |
e96326af | 616 | if ( ! $Config{d_getprior} or $^O eq 'os2') { # Locks before fixpak22 |
599cee73 PM |
617 | print <<EOM ; |
618 | SKIPPED | |
619 | # getpriority not present | |
620 | EOM | |
621 | exit | |
622 | } | |
623 | } | |
624 | getpriority 1,2; # OP_GETPRIORITY | |
4438c4b7 | 625 | no warnings 'void' ; |
0453d815 | 626 | getpriority 1,2; # OP_GETPRIORITY |
599cee73 PM |
627 | EXPECT |
628 | Useless use of getpriority in void context at - line 13. | |
629 | ######## | |
630 | # op.c | |
4438c4b7 | 631 | use warnings 'void' ; |
599cee73 PM |
632 | use Config ; |
633 | BEGIN { | |
634 | if ( ! $Config{d_getlogin}) { | |
635 | print <<EOM ; | |
636 | SKIPPED | |
637 | # getlogin not present | |
638 | EOM | |
639 | exit | |
640 | } | |
641 | } | |
642 | getlogin ; # OP_GETLOGIN | |
4438c4b7 | 643 | no warnings 'void' ; |
0453d815 | 644 | getlogin ; # OP_GETLOGIN |
599cee73 PM |
645 | EXPECT |
646 | Useless use of getlogin in void context at - line 13. | |
647 | ######## | |
648 | # op.c | |
4438c4b7 | 649 | use warnings 'void' ; |
599cee73 PM |
650 | use Config ; BEGIN { |
651 | if ( ! $Config{d_socket}) { | |
652 | print <<EOM ; | |
653 | SKIPPED | |
654 | # getsockname not present | |
655 | # getpeername not present | |
656 | # gethostbyname not present | |
657 | # gethostbyaddr not present | |
658 | # gethostent not present | |
659 | # getnetbyname not present | |
660 | # getnetbyaddr not present | |
661 | # getnetent not present | |
662 | # getprotobyname not present | |
663 | # getprotobynumber not present | |
664 | # getprotoent not present | |
665 | # getservbyname not present | |
666 | # getservbyport not present | |
667 | # getservent not present | |
668 | EOM | |
669 | exit | |
670 | } } | |
671 | getsockname STDIN ; # OP_GETSOCKNAME | |
672 | getpeername STDIN ; # OP_GETPEERNAME | |
673 | gethostbyname 1 ; # OP_GHBYNAME | |
674 | gethostbyaddr 1,2; # OP_GHBYADDR | |
675 | gethostent ; # OP_GHOSTENT | |
676 | getnetbyname 1 ; # OP_GNBYNAME | |
677 | getnetbyaddr 1,2 ; # OP_GNBYADDR | |
678 | getnetent ; # OP_GNETENT | |
679 | getprotobyname 1; # OP_GPBYNAME | |
680 | getprotobynumber 1; # OP_GPBYNUMBER | |
681 | getprotoent ; # OP_GPROTOENT | |
682 | getservbyname 1,2; # OP_GSBYNAME | |
683 | getservbyport 1,2; # OP_GSBYPORT | |
684 | getservent ; # OP_GSERVENT | |
0453d815 | 685 | |
4438c4b7 | 686 | no warnings 'void' ; |
0453d815 PM |
687 | getsockname STDIN ; # OP_GETSOCKNAME |
688 | getpeername STDIN ; # OP_GETPEERNAME | |
689 | gethostbyname 1 ; # OP_GHBYNAME | |
690 | gethostbyaddr 1,2; # OP_GHBYADDR | |
691 | gethostent ; # OP_GHOSTENT | |
692 | getnetbyname 1 ; # OP_GNBYNAME | |
693 | getnetbyaddr 1,2 ; # OP_GNBYADDR | |
694 | getnetent ; # OP_GNETENT | |
695 | getprotobyname 1; # OP_GPBYNAME | |
696 | getprotobynumber 1; # OP_GPBYNUMBER | |
697 | getprotoent ; # OP_GPROTOENT | |
698 | getservbyname 1,2; # OP_GSBYNAME | |
699 | getservbyport 1,2; # OP_GSBYPORT | |
700 | getservent ; # OP_GSERVENT | |
dfe13c55 GS |
701 | INIT { |
702 | # some functions may not be there, so we exit without running | |
703 | exit; | |
704 | } | |
599cee73 PM |
705 | EXPECT |
706 | Useless use of getsockname in void context at - line 24. | |
707 | Useless use of getpeername in void context at - line 25. | |
708 | Useless use of gethostbyname in void context at - line 26. | |
709 | Useless use of gethostbyaddr in void context at - line 27. | |
710 | Useless use of gethostent in void context at - line 28. | |
711 | Useless use of getnetbyname in void context at - line 29. | |
712 | Useless use of getnetbyaddr in void context at - line 30. | |
713 | Useless use of getnetent in void context at - line 31. | |
714 | Useless use of getprotobyname in void context at - line 32. | |
715 | Useless use of getprotobynumber in void context at - line 33. | |
716 | Useless use of getprotoent in void context at - line 34. | |
717 | Useless use of getservbyname in void context at - line 35. | |
718 | Useless use of getservbyport in void context at - line 36. | |
719 | Useless use of getservent in void context at - line 37. | |
720 | ######## | |
721 | # op.c | |
4438c4b7 | 722 | use warnings 'void' ; |
599cee73 PM |
723 | *a ; # OP_RV2GV |
724 | $a ; # OP_RV2SV | |
725 | @a ; # OP_RV2AV | |
726 | %a ; # OP_RV2HV | |
4438c4b7 | 727 | no warnings 'void' ; |
0453d815 PM |
728 | *a ; # OP_RV2GV |
729 | $a ; # OP_RV2SV | |
730 | @a ; # OP_RV2AV | |
731 | %a ; # OP_RV2HV | |
599cee73 PM |
732 | EXPECT |
733 | Useless use of a variable in void context at - line 3. | |
734 | Useless use of a variable in void context at - line 4. | |
735 | Useless use of a variable in void context at - line 5. | |
736 | Useless use of a variable in void context at - line 6. | |
737 | ######## | |
738 | # op.c | |
4438c4b7 | 739 | use warnings 'void' ; |
599cee73 PM |
740 | "abc"; # OP_CONST |
741 | 7 ; # OP_CONST | |
86f9315f RD |
742 | "x" . "y"; # optimized to OP_CONST |
743 | 2 + 2; # optimized to OP_CONST | |
e7fec78e | 744 | use constant U => undef; |
fa01e093 | 745 | U; |
919f76a3 | 746 | qq/" \n/; |
fa01e093 | 747 | 5 || print "bad\n"; # test OPpCONST_SHORTCIRCUIT |
e7fec78e | 748 | print "boo\n" if U; # test OPpCONST_SHORTCIRCUIT |
1b268608 | 749 | if($foo){}elsif(""){} # test OPpCONST_SHORTCIRCUIT |
4438c4b7 | 750 | no warnings 'void' ; |
0453d815 PM |
751 | "abc"; # OP_CONST |
752 | 7 ; # OP_CONST | |
86f9315f RD |
753 | "x" . "y"; # optimized to OP_CONST |
754 | 2 + 2; # optimized to OP_CONST | |
599cee73 | 755 | EXPECT |
919f76a3 | 756 | Useless use of a constant ("abc") in void context at - line 3. |
86f9315f | 757 | Useless use of a constant (7) in void context at - line 4. |
919f76a3 | 758 | Useless use of a constant ("xy") in void context at - line 5. |
86f9315f | 759 | Useless use of a constant (4) in void context at - line 6. |
fa01e093 | 760 | Useless use of a constant (undef) in void context at - line 8. |
919f76a3 | 761 | Useless use of a constant ("\"\t\n") in void context at - line 9. |
599cee73 PM |
762 | ######## |
763 | # op.c | |
bdf3ec5e KW |
764 | BEGIN { |
765 | if (ord('A') == 193) { | |
766 | print "SKIPPED\n# Result varies depending on EBCDIC code page"; | |
767 | exit 0; | |
768 | } | |
769 | } | |
34ee6772 BF |
770 | use utf8; |
771 | use open qw( :utf8 :std ); | |
772 | use warnings 'void' ; | |
773 | "àḆc"; # OP_CONST | |
bdf3ec5e KW |
774 | EXPECT |
775 | Useless use of a constant ("\340\x{1e06}c") in void context at - line 11. | |
776 | ######## | |
777 | # op.c | |
778 | use utf8; | |
779 | use open qw( :utf8 :std ); | |
780 | use warnings 'void' ; | |
34ee6772 BF |
781 | "Ẋ" . "ƴ"; # optimized to OP_CONST |
782 | FOO; # Bareword optimized to OP_CONST | |
783 | use constant ů => undef; | |
784 | ů; | |
785 | 5 || print "bad\n"; # test OPpCONST_SHORTCIRCUIT | |
786 | print "boo\n" if ů; # test OPpCONST_SHORTCIRCUIT | |
787 | no warnings 'void' ; | |
788 | "àḆc"; # OP_CONST | |
789 | "Ẋ" . "ƴ"; # optimized to OP_CONST | |
790 | EXPECT | |
bdf3ec5e KW |
791 | Useless use of a constant ("\x{1e8a}\x{1b4}") in void context at - line 5. |
792 | Useless use of a constant ("\x{ff26}\x{ff2f}\x{ff2f}") in void context at - line 6. | |
793 | Useless use of a constant (undef) in void context at - line 8. | |
34ee6772 BF |
794 | ######## |
795 | # op.c | |
7f01dc7a | 796 | # |
6a8b6cf0 | 797 | use warnings 'misc' ; use utf8; |
b08e453b | 798 | my $a ; my @a = () ; my %a = () ; my $b = \@a ; my $c = \%a ;my $d = 'test'; |
599cee73 | 799 | @a =~ /abc/ ; |
c6771ab6 FC |
800 | @a2 =~ s/a/b/ ; |
801 | @a3 =~ tr/a/b/ ; | |
599cee73 PM |
802 | @$b =~ /abc/ ; |
803 | @$b =~ s/a/b/ ; | |
804 | @$b =~ tr/a/b/ ; | |
805 | %a =~ /abc/ ; | |
c6771ab6 FC |
806 | %a2 =~ s/a/b/ ; |
807 | %a3 =~ tr/a/b/ ; | |
599cee73 PM |
808 | %$c =~ /abc/ ; |
809 | %$c =~ s/a/b/ ; | |
810 | %$c =~ tr/a/b/ ; | |
b08e453b | 811 | $d =~ tr/a/b/d ; |
c6771ab6 | 812 | $d2 =~ tr/a/bc/; |
b8c388a9 | 813 | $d3 =~ tr//b/c; |
6a8b6cf0 FC |
814 | $d =~ tr/α/β/d ; |
815 | $d2 =~ tr/α/βγ/; | |
0453d815 | 816 | { |
e476b1b5 | 817 | no warnings 'misc' ; |
b08e453b | 818 | my $a ; my @a = () ; my %a = () ; my $b = \@a ; my $c = \%a ; my $d = 'test'; |
0453d815 PM |
819 | @a =~ /abc/ ; |
820 | @a =~ s/a/b/ ; | |
821 | @a =~ tr/a/b/ ; | |
822 | @$b =~ /abc/ ; | |
823 | @$b =~ s/a/b/ ; | |
824 | @$b =~ tr/a/b/ ; | |
825 | %a =~ /abc/ ; | |
826 | %a =~ s/a/b/ ; | |
827 | %a =~ tr/a/b/ ; | |
828 | %$c =~ /abc/ ; | |
829 | %$c =~ s/a/b/ ; | |
830 | %$c =~ tr/a/b/ ; | |
b08e453b RB |
831 | $d =~ tr/a/b/d ; |
832 | $d =~ tr/a/bc/ ; | |
b8c388a9 | 833 | $d =~ tr//b/c; |
0453d815 | 834 | } |
599cee73 | 835 | EXPECT |
c6771ab6 FC |
836 | Applying pattern match (m//) to @a will act on scalar(@a) at - line 5. |
837 | Applying substitution (s///) to @a2 will act on scalar(@a2) at - line 6. | |
838 | Applying transliteration (tr///) to @a3 will act on scalar(@a3) at - line 7. | |
42d38218 MS |
839 | Applying pattern match (m//) to @array will act on scalar(@array) at - line 8. |
840 | Applying substitution (s///) to @array will act on scalar(@array) at - line 9. | |
f1612b5c | 841 | Applying transliteration (tr///) to @array will act on scalar(@array) at - line 10. |
c6771ab6 FC |
842 | Applying pattern match (m//) to %a will act on scalar(%a) at - line 11. |
843 | Applying substitution (s///) to %a2 will act on scalar(%a2) at - line 12. | |
844 | Applying transliteration (tr///) to %a3 will act on scalar(%a3) at - line 13. | |
42d38218 MS |
845 | Applying pattern match (m//) to %hash will act on scalar(%hash) at - line 14. |
846 | Applying substitution (s///) to %hash will act on scalar(%hash) at - line 15. | |
f1612b5c | 847 | Applying transliteration (tr///) to %hash will act on scalar(%hash) at - line 16. |
b08e453b RB |
848 | Useless use of /d modifier in transliteration operator at - line 17. |
849 | Replacement list is longer than search list at - line 18. | |
6a8b6cf0 FC |
850 | Useless use of /d modifier in transliteration operator at - line 20. |
851 | Replacement list is longer than search list at - line 21. | |
c6771ab6 | 852 | Can't modify array dereference in substitution (s///) at - line 6, near "s/a/b/ ;" |
6a8b6cf0 | 853 | BEGIN not safe after errors--compilation aborted at - line 23. |
599cee73 PM |
854 | ######## |
855 | # op.c | |
8473848f | 856 | use warnings 'parenthesis' ; |
599cee73 | 857 | my $a, $b = (1,2); |
8473848f | 858 | my @foo,%bar, $quux; # there's a TAB here |
bac662ee | 859 | my $x, $y or print; |
4639a3a7 | 860 | my $p, *q; |
8473848f | 861 | no warnings 'parenthesis' ; |
0453d815 | 862 | my $c, $d = (1,2); |
599cee73 | 863 | EXPECT |
df5b6949 | 864 | Parentheses missing around "my" list at - line 3. |
8473848f | 865 | Parentheses missing around "my" list at - line 4. |
599cee73 PM |
866 | ######## |
867 | # op.c | |
8473848f RGS |
868 | use warnings 'parenthesis' ; |
869 | our $a, $b = (1,2); | |
4639a3a7 | 870 | our $p, *q; |
8473848f RGS |
871 | no warnings 'parenthesis' ; |
872 | our $c, $d = (1,2); | |
873 | EXPECT | |
874 | Parentheses missing around "our" list at - line 3. | |
875 | ######## | |
876 | # op.c | |
877 | use warnings 'parenthesis' ; | |
599cee73 | 878 | local $a, $b = (1,2); |
8473848f | 879 | local *f, *g; |
4639a3a7 | 880 | local $p, *q; |
8473848f | 881 | no warnings 'parenthesis' ; |
0453d815 | 882 | local $c, $d = (1,2); |
599cee73 | 883 | EXPECT |
df5b6949 | 884 | Parentheses missing around "local" list at - line 3. |
8473848f | 885 | Parentheses missing around "local" list at - line 4. |
4639a3a7 | 886 | Parentheses missing around "local" list at - line 5. |
599cee73 PM |
887 | ######## |
888 | # op.c | |
e476b1b5 | 889 | use warnings 'bareword' ; |
599cee73 | 890 | print (ABC || 1) ; |
e476b1b5 | 891 | no warnings 'bareword' ; |
0453d815 | 892 | print (ABC || 1) ; |
599cee73 | 893 | EXPECT |
34d09196 | 894 | Bareword found in conditional at - line 3. |
599cee73 PM |
895 | ######## |
896 | --FILE-- abc | |
897 | ||
898 | --FILE-- | |
899 | # op.c | |
e476b1b5 | 900 | use warnings 'misc' ; |
599cee73 PM |
901 | open FH, "<abc" ; |
902 | $x = 1 if $x = <FH> ; | |
502e5101 NC |
903 | $x = 1 if $x |
904 | = <FH> ; | |
e476b1b5 | 905 | no warnings 'misc' ; |
0453d815 | 906 | $x = 1 if $x = <FH> ; |
502e5101 NC |
907 | $x = 1 if $x |
908 | = <FH> ; | |
599cee73 PM |
909 | EXPECT |
910 | Value of <HANDLE> construct can be "0"; test with defined() at - line 4. | |
502e5101 | 911 | Value of <HANDLE> construct can be "0"; test with defined() at - line 5. |
599cee73 PM |
912 | ######## |
913 | # op.c | |
e476b1b5 | 914 | use warnings 'misc' ; |
599cee73 PM |
915 | opendir FH, "." ; |
916 | $x = 1 if $x = readdir FH ; | |
502e5101 NC |
917 | $x = 1 if $x |
918 | = readdir FH ; | |
e476b1b5 | 919 | no warnings 'misc' ; |
0453d815 | 920 | $x = 1 if $x = readdir FH ; |
502e5101 NC |
921 | $x = 1 if $x |
922 | = readdir FH ; | |
599cee73 PM |
923 | closedir FH ; |
924 | EXPECT | |
925 | Value of readdir() operator can be "0"; test with defined() at - line 4. | |
502e5101 | 926 | Value of readdir() operator can be "0"; test with defined() at - line 5. |
599cee73 PM |
927 | ######## |
928 | # op.c | |
e476b1b5 | 929 | use warnings 'misc' ; |
599cee73 | 930 | $x = 1 if $x = <*> ; |
502e5101 NC |
931 | $x = 1 if $x |
932 | = <*> ; | |
e476b1b5 | 933 | no warnings 'misc' ; |
0453d815 | 934 | $x = 1 if $x = <*> ; |
502e5101 NC |
935 | $x = 1 if $x |
936 | = <*> ; | |
599cee73 PM |
937 | EXPECT |
938 | Value of glob construct can be "0"; test with defined() at - line 3. | |
502e5101 | 939 | Value of glob construct can be "0"; test with defined() at - line 4. |
599cee73 PM |
940 | ######## |
941 | # op.c | |
e476b1b5 | 942 | use warnings 'misc' ; |
599cee73 PM |
943 | %a = (1,2,3,4) ; |
944 | $x = 1 if $x = each %a ; | |
e476b1b5 | 945 | no warnings 'misc' ; |
0453d815 | 946 | $x = 1 if $x = each %a ; |
599cee73 PM |
947 | EXPECT |
948 | Value of each() operator can be "0"; test with defined() at - line 4. | |
949 | ######## | |
950 | # op.c | |
e476b1b5 | 951 | use warnings 'misc' ; |
599cee73 | 952 | $x = 1 while $x = <*> and 0 ; |
e476b1b5 | 953 | no warnings 'misc' ; |
0453d815 | 954 | $x = 1 while $x = <*> and 0 ; |
599cee73 PM |
955 | EXPECT |
956 | Value of glob construct can be "0"; test with defined() at - line 3. | |
957 | ######## | |
958 | # op.c | |
e476b1b5 | 959 | use warnings 'misc' ; |
599cee73 PM |
960 | opendir FH, "." ; |
961 | $x = 1 while $x = readdir FH and 0 ; | |
e476b1b5 | 962 | no warnings 'misc' ; |
0453d815 | 963 | $x = 1 while $x = readdir FH and 0 ; |
599cee73 PM |
964 | closedir FH ; |
965 | EXPECT | |
966 | Value of readdir() operator can be "0"; test with defined() at - line 4. | |
967 | ######## | |
968 | # op.c | |
59e10468 RGS |
969 | use warnings 'misc'; |
970 | open FH, "<abc"; | |
59e10468 RGS |
971 | ($_ = <FH>) // ($_ = 1); |
972 | opendir DH, "."; | |
59e10468 | 973 | %a = (1,2,3,4) ; |
59e10468 RGS |
974 | EXPECT |
975 | ######## | |
976 | # op.c | |
4438c4b7 | 977 | use warnings 'redefine' ; |
599cee73 PM |
978 | sub fred {} |
979 | sub fred {} | |
2d4e1700 NC |
980 | sub fred { # warning should be for this line |
981 | } | |
4438c4b7 | 982 | no warnings 'redefine' ; |
0453d815 | 983 | sub fred {} |
2d4e1700 NC |
984 | sub fred { |
985 | } | |
599cee73 PM |
986 | EXPECT |
987 | Subroutine fred redefined at - line 4. | |
2d4e1700 | 988 | Subroutine fred redefined at - line 5. |
599cee73 PM |
989 | ######## |
990 | # op.c | |
4438c4b7 | 991 | use warnings 'redefine' ; |
599cee73 PM |
992 | sub fred () { 1 } |
993 | sub fred () { 1 } | |
4438c4b7 | 994 | no warnings 'redefine' ; |
0453d815 | 995 | sub fred () { 1 } |
599cee73 PM |
996 | EXPECT |
997 | Constant subroutine fred redefined at - line 4. | |
998 | ######## | |
999 | # op.c | |
efcf35c4 FC |
1000 | sub fred () { 1 } |
1001 | sub fred () { 2 } | |
1002 | EXPECT | |
1003 | Constant subroutine fred redefined at - line 3. | |
1004 | ######## | |
1005 | # op.c | |
1006 | sub fred () { 1 } | |
1007 | *fred = sub () { 2 }; | |
1008 | EXPECT | |
1009 | Constant subroutine main::fred redefined at - line 3. | |
1010 | ######## | |
1011 | # op.c | |
ee0832ce FC |
1012 | use feature "lexical_subs", "state"; |
1013 | my sub fred () { 1 } | |
1014 | sub fred { 2 }; | |
1015 | my sub george { 1 } | |
1016 | sub george () { 2 } # should *not* produce redef warnings by default | |
1017 | state sub phred () { 1 } | |
1018 | sub phred { 2 }; | |
1019 | state sub jorge { 1 } | |
1020 | sub jorge () { 2 } # should *not* produce redef warnings by default | |
1021 | EXPECT | |
ee0832ce FC |
1022 | Prototype mismatch: sub fred () vs none at - line 4. |
1023 | Constant subroutine fred redefined at - line 4. | |
1024 | Prototype mismatch: sub george: none vs () at - line 6. | |
1025 | Prototype mismatch: sub phred () vs none at - line 8. | |
1026 | Constant subroutine phred redefined at - line 8. | |
1027 | Prototype mismatch: sub jorge: none vs () at - line 10. | |
1028 | ######## | |
1029 | # op.c | |
036b4402 GS |
1030 | no warnings 'redefine' ; |
1031 | sub fred () { 1 } | |
1032 | sub fred () { 2 } | |
1033 | EXPECT | |
036b4402 GS |
1034 | ######## |
1035 | # op.c | |
1036 | no warnings 'redefine' ; | |
1037 | sub fred () { 1 } | |
1038 | *fred = sub () { 2 }; | |
1039 | EXPECT | |
036b4402 GS |
1040 | ######## |
1041 | # op.c | |
4438c4b7 | 1042 | use warnings 'redefine' ; |
599cee73 PM |
1043 | format FRED = |
1044 | . | |
1045 | format FRED = | |
1046 | . | |
4438c4b7 | 1047 | no warnings 'redefine' ; |
0453d815 PM |
1048 | format FRED = |
1049 | . | |
599cee73 PM |
1050 | EXPECT |
1051 | Format FRED redefined at - line 5. | |
1052 | ######## | |
0953b66b | 1053 | # op.c |
573d2b1a | 1054 | use warnings 'exec' ; |
dfe13c55 | 1055 | exec "$^X -e 1" ; |
599cee73 PM |
1056 | my $a |
1057 | EXPECT | |
7b903762 | 1058 | Statement unlikely to be reached at - line 4. |
cc507455 | 1059 | (Maybe you meant system() when you said exec()?) |
69794302 | 1060 | ######## |
ea31ed66 | 1061 | # op.c, no warning if exec isn't a statement. |
573d2b1a | 1062 | use warnings 'exec' ; |
ea31ed66 GG |
1063 | $a || exec "$^X -e 1" ; |
1064 | my $a | |
1065 | EXPECT | |
1066 | ######## | |
69794302 | 1067 | # op.c |
b880f709 NC |
1068 | defined(@a); |
1069 | EXPECT | |
e35475de KW |
1070 | OPTION fatal |
1071 | Can't use 'defined(@array)' (Maybe you should just omit the defined()?) at - line 2. | |
b880f709 NC |
1072 | ######## |
1073 | # op.c | |
69794302 MJD |
1074 | my @a; defined(@a); |
1075 | EXPECT | |
e35475de KW |
1076 | OPTION fatal |
1077 | Can't use 'defined(@array)' (Maybe you should just omit the defined()?) at - line 2. | |
69794302 MJD |
1078 | ######## |
1079 | # op.c | |
69794302 MJD |
1080 | defined(@a = (1,2,3)); |
1081 | EXPECT | |
69794302 MJD |
1082 | ######## |
1083 | # op.c | |
b880f709 NC |
1084 | defined(%h); |
1085 | EXPECT | |
e35475de KW |
1086 | OPTION fatal |
1087 | Can't use 'defined(%hash)' (Maybe you should just omit the defined()?) at - line 2. | |
b880f709 NC |
1088 | ######## |
1089 | # op.c | |
69794302 MJD |
1090 | my %h; defined(%h); |
1091 | EXPECT | |
e35475de KW |
1092 | OPTION fatal |
1093 | Can't use 'defined(%hash)' (Maybe you should just omit the defined()?) at - line 2. | |
0453d815 PM |
1094 | ######## |
1095 | # op.c | |
573d2b1a | 1096 | no warnings 'exec' ; |
0453d815 PM |
1097 | exec "$^X -e 1" ; |
1098 | my $a | |
1099 | EXPECT | |
1100 | ||
1101 | ######## | |
1102 | # op.c | |
1103 | sub fred(); | |
1104 | sub fred($) {} | |
105ff74c FC |
1105 | use constant foo=>bar; sub foo(@); |
1106 | use constant bav=>bar; sub bav(); # no warning | |
1107 | sub btu; sub btu(); | |
0453d815 PM |
1108 | EXPECT |
1109 | Prototype mismatch: sub main::fred () vs ($) at - line 3. | |
105ff74c FC |
1110 | Prototype mismatch: sub foo () vs (@) at - line 4. |
1111 | Prototype mismatch: sub btu: none vs () at - line 6. | |
0453d815 PM |
1112 | ######## |
1113 | # op.c | |
dab1c735 BF |
1114 | use utf8; |
1115 | use open qw( :utf8 :std ); | |
1116 | sub frèd(); | |
1117 | sub frèd($) {} | |
1118 | EXPECT | |
1119 | Prototype mismatch: sub main::frèd () vs ($) at - line 5. | |
1120 | ######## | |
1121 | # op.c | |
1122 | use utf8; | |
1123 | use open qw( :utf8 :std ); | |
1124 | use warnings; | |
b54d603d | 1125 | eval "sub fòò (@\$\0) {}"; |
dab1c735 | 1126 | EXPECT |
b54d603d PM |
1127 | Prototype after '@' for main::fòò : @$\0 at (eval 1) line 1. |
1128 | Illegal character in prototype for main::fòò : @$\0 at (eval 1) line 1. | |
dab1c735 BF |
1129 | ######## |
1130 | # op.c | |
1131 | use utf8; | |
1132 | use open qw( :utf8 :std ); | |
1133 | use warnings; | |
b54d603d | 1134 | eval "sub foo (@\0) {}"; |
dab1c735 | 1135 | EXPECT |
b54d603d PM |
1136 | Prototype after '@' for main::foo : @\0 at (eval 1) line 1. |
1137 | Illegal character in prototype for main::foo : @\0 at (eval 1) line 1. | |
dab1c735 BF |
1138 | ######## |
1139 | # op.c | |
bdf3ec5e KW |
1140 | BEGIN { |
1141 | if (ord('A') == 193) { | |
1142 | print "SKIPPED\n# Different results on EBCDIC"; | |
1143 | exit 0; | |
1144 | } | |
1145 | } | |
dab1c735 BF |
1146 | use utf8; |
1147 | use open qw( :utf8 :std ); | |
1148 | use warnings; | |
b54d603d PM |
1149 | BEGIN { $::{"foo"} = "\@\$\0L\351on" } |
1150 | BEGIN { eval "sub foo (@\$\0L\x{c3}\x{a9}on) {}"; } | |
dab1c735 | 1151 | EXPECT |
b54d603d PM |
1152 | Prototype after '@' for main::foo : @$\x{0}L... at (eval 1) line 1. |
1153 | Illegal character in prototype for main::foo : @$\x{0}L... at (eval 1) line 1. | |
dab1c735 BF |
1154 | ######## |
1155 | # op.c | |
1156 | use utf8; | |
1157 | use open qw( :utf8 :std ); | |
1158 | use warnings; | |
b54d603d | 1159 | BEGIN { eval "sub foo (@\0) {}"; } |
dab1c735 | 1160 | EXPECT |
b54d603d PM |
1161 | Prototype after '@' for main::foo : @\0 at (eval 1) line 1. |
1162 | Illegal character in prototype for main::foo : @\0 at (eval 1) line 1. | |
97eb901d BF |
1163 | ######## |
1164 | # op.c | |
1165 | use warnings; | |
b54d603d | 1166 | eval "sub foo (@\xAB) {}"; |
97eb901d | 1167 | EXPECT |
b54d603d PM |
1168 | Prototype after '@' for main::foo : @\x{ab} at (eval 1) line 1. |
1169 | Illegal character in prototype for main::foo : @\x{ab} at (eval 1) line 1. | |
97eb901d BF |
1170 | ######## |
1171 | # op.c | |
1172 | use utf8; | |
1173 | use open qw( :utf8 :std ); | |
1174 | use warnings; | |
b54d603d | 1175 | BEGIN { eval "sub foo (@\x{30cb}) {}"; } |
97eb901d | 1176 | EXPECT |
b54d603d PM |
1177 | Prototype after '@' for main::foo : @\x{30cb} at (eval 1) line 1. |
1178 | Illegal character in prototype for main::foo : @\x{30cb} at (eval 1) line 1. | |
dab1c735 BF |
1179 | ######## |
1180 | # op.c | |
1181 | use utf8; | |
1182 | use open qw( :utf8 :std ); | |
1183 | use warnings; | |
1184 | BEGIN { $::{"foo"} = "\x{30cb}" } | |
1185 | BEGIN { eval "sub foo {}"; } | |
1186 | EXPECT | |
1187 | Prototype mismatch: sub main::foo (ニ) vs none at (eval 1) line 1. | |
1188 | ######## | |
1189 | # op.c | |
0453d815 PM |
1190 | $^W = 0 ; |
1191 | sub fred() ; | |
1192 | sub fred($) {} | |
1193 | { | |
e476b1b5 | 1194 | no warnings 'prototype' ; |
0453d815 PM |
1195 | sub Fred() ; |
1196 | sub Fred($) {} | |
e476b1b5 | 1197 | use warnings 'prototype' ; |
0453d815 PM |
1198 | sub freD() ; |
1199 | sub freD($) {} | |
1200 | } | |
1201 | sub FRED() ; | |
1202 | sub FRED($) {} | |
1203 | EXPECT | |
1204 | Prototype mismatch: sub main::fred () vs ($) at - line 4. | |
1205 | Prototype mismatch: sub main::freD () vs ($) at - line 11. | |
1206 | Prototype mismatch: sub main::FRED () vs ($) at - line 14. | |
eb6e2d6f | 1207 | ######## |
271c8bde FC |
1208 | # op.c [S_simplify_sort] |
1209 | # [perl #86136] | |
1210 | my @tests = split /^/, ' | |
1211 | sort {$a <=> $b} @a; | |
1212 | sort {$a cmp $b} @a; | |
1213 | { use integer; sort {$a <=> $b} @a} | |
1214 | sort {$b <=> $a} @a; | |
1215 | sort {$b cmp $a} @a; | |
1216 | { use integer; sort {$b <=> $a} @a} | |
1217 | '; | |
1218 | for my $pragma ('use warnings "syntax";', '') { | |
1219 | for my $vars ('', 'my $a;', 'my $b;', 'my ($a,$b);') { | |
1220 | for my $inner_stmt ('', 'print;', 'func();') { | |
1221 | eval "#line " . ++$line . "01 -\n$pragma\n$vars" | |
1222 | . join "", map s/sort \{\K/$inner_stmt/r, @tests; | |
1223 | $@ and die; | |
1224 | } | |
1225 | } | |
1226 | } | |
1227 | sub func{} | |
1228 | use warnings 'syntax'; | |
1229 | my $a; | |
1230 | # These used to be errors! | |
1231 | sort { ; } $a <=> $b; | |
1232 | sort { ; } $a, "<=>"; | |
1233 | sort { ; } $a, $cmp; | |
1234 | sort $a, $b if $cmpany_name; | |
1235 | sort if $a + $cmp; | |
1236 | sort @t; $a + $cmp; | |
1237 | EXPECT | |
1238 | "my $a" used in sort comparison at - line 403. | |
1239 | "my $a" used in sort comparison at - line 404. | |
1240 | "my $a" used in sort comparison at - line 405. | |
1241 | "my $a" used in sort comparison at - line 406. | |
1242 | "my $a" used in sort comparison at - line 407. | |
1243 | "my $a" used in sort comparison at - line 408. | |
1244 | "my $a" used in sort comparison at - line 503. | |
1245 | "my $a" used in sort comparison at - line 504. | |
1246 | "my $a" used in sort comparison at - line 505. | |
1247 | "my $a" used in sort comparison at - line 506. | |
1248 | "my $a" used in sort comparison at - line 507. | |
1249 | "my $a" used in sort comparison at - line 508. | |
1250 | "my $a" used in sort comparison at - line 603. | |
1251 | "my $a" used in sort comparison at - line 604. | |
1252 | "my $a" used in sort comparison at - line 605. | |
1253 | "my $a" used in sort comparison at - line 606. | |
1254 | "my $a" used in sort comparison at - line 607. | |
1255 | "my $a" used in sort comparison at - line 608. | |
1256 | "my $b" used in sort comparison at - line 703. | |
1257 | "my $b" used in sort comparison at - line 704. | |
1258 | "my $b" used in sort comparison at - line 705. | |
1259 | "my $b" used in sort comparison at - line 706. | |
1260 | "my $b" used in sort comparison at - line 707. | |
1261 | "my $b" used in sort comparison at - line 708. | |
1262 | "my $b" used in sort comparison at - line 803. | |
1263 | "my $b" used in sort comparison at - line 804. | |
1264 | "my $b" used in sort comparison at - line 805. | |
1265 | "my $b" used in sort comparison at - line 806. | |
1266 | "my $b" used in sort comparison at - line 807. | |
1267 | "my $b" used in sort comparison at - line 808. | |
1268 | "my $b" used in sort comparison at - line 903. | |
1269 | "my $b" used in sort comparison at - line 904. | |
1270 | "my $b" used in sort comparison at - line 905. | |
1271 | "my $b" used in sort comparison at - line 906. | |
1272 | "my $b" used in sort comparison at - line 907. | |
1273 | "my $b" used in sort comparison at - line 908. | |
1274 | "my $a" used in sort comparison at - line 1003. | |
1275 | "my $b" used in sort comparison at - line 1003. | |
1276 | "my $a" used in sort comparison at - line 1004. | |
1277 | "my $b" used in sort comparison at - line 1004. | |
1278 | "my $a" used in sort comparison at - line 1005. | |
1279 | "my $b" used in sort comparison at - line 1005. | |
1280 | "my $b" used in sort comparison at - line 1006. | |
1281 | "my $a" used in sort comparison at - line 1006. | |
1282 | "my $b" used in sort comparison at - line 1007. | |
1283 | "my $a" used in sort comparison at - line 1007. | |
1284 | "my $b" used in sort comparison at - line 1008. | |
1285 | "my $a" used in sort comparison at - line 1008. | |
1286 | "my $a" used in sort comparison at - line 1103. | |
1287 | "my $b" used in sort comparison at - line 1103. | |
1288 | "my $a" used in sort comparison at - line 1104. | |
1289 | "my $b" used in sort comparison at - line 1104. | |
1290 | "my $a" used in sort comparison at - line 1105. | |
1291 | "my $b" used in sort comparison at - line 1105. | |
1292 | "my $b" used in sort comparison at - line 1106. | |
1293 | "my $a" used in sort comparison at - line 1106. | |
1294 | "my $b" used in sort comparison at - line 1107. | |
1295 | "my $a" used in sort comparison at - line 1107. | |
1296 | "my $b" used in sort comparison at - line 1108. | |
1297 | "my $a" used in sort comparison at - line 1108. | |
1298 | "my $a" used in sort comparison at - line 1203. | |
1299 | "my $b" used in sort comparison at - line 1203. | |
1300 | "my $a" used in sort comparison at - line 1204. | |
1301 | "my $b" used in sort comparison at - line 1204. | |
1302 | "my $a" used in sort comparison at - line 1205. | |
1303 | "my $b" used in sort comparison at - line 1205. | |
1304 | "my $b" used in sort comparison at - line 1206. | |
1305 | "my $a" used in sort comparison at - line 1206. | |
1306 | "my $b" used in sort comparison at - line 1207. | |
1307 | "my $a" used in sort comparison at - line 1207. | |
1308 | "my $b" used in sort comparison at - line 1208. | |
1309 | "my $a" used in sort comparison at - line 1208. | |
1310 | ######## | |
a2e39214 FC |
1311 | # op.c [S_simplify_sort] |
1312 | use warnings 'syntax'; use 5.01; | |
1313 | state $a; | |
1314 | sort { $a <=> $b } (); | |
1315 | EXPECT | |
1316 | "state $a" used in sort comparison at - line 4. | |
1317 | ######## | |
89474f50 FC |
1318 | # op.c [Perl_ck_cmp] |
1319 | use warnings 'syntax' ; | |
1320 | no warnings 'deprecated'; | |
1321 | @a = $[ < 5; | |
1322 | @a = $[ > 5; | |
1323 | @a = $[ <= 5; | |
1324 | @a = $[ >= 5; | |
1325 | @a = 42 < $[; | |
1326 | @a = 42 > $[; | |
1327 | @a = 42 <= $[; | |
1328 | @a = 42 >= $[; | |
1329 | use integer; | |
1330 | @a = $[ < 5; | |
1331 | @a = $[ > 5; | |
1332 | @a = $[ <= 5; | |
1333 | @a = $[ >= 5; | |
1334 | @a = 42 < $[; | |
1335 | @a = 42 > $[; | |
1336 | @a = 42 <= $[; | |
1337 | @a = 42 >= $[; | |
7c2b3c78 FC |
1338 | no integer; |
1339 | @a = $[ < $5; | |
1340 | @a = $[ > $5; | |
1341 | @a = $[ <= $5; | |
1342 | @a = $[ >= $5; | |
1343 | @a = $42 < $[; | |
1344 | @a = $42 > $[; | |
1345 | @a = $42 <= $[; | |
1346 | @a = $42 >= $[; | |
1347 | use integer; | |
1348 | @a = $[ < $5; | |
1349 | @a = $[ > $5; | |
1350 | @a = $[ <= $5; | |
1351 | @a = $[ >= $5; | |
1352 | @a = $42 < $[; | |
1353 | @a = $42 > $[; | |
1354 | @a = $42 <= $[; | |
1355 | @a = $42 >= $[; | |
89474f50 FC |
1356 | EXPECT |
1357 | $[ used in numeric lt (<) (did you mean $] ?) at - line 4. | |
1358 | $[ used in numeric gt (>) (did you mean $] ?) at - line 5. | |
1359 | $[ used in numeric le (<=) (did you mean $] ?) at - line 6. | |
1360 | $[ used in numeric ge (>=) (did you mean $] ?) at - line 7. | |
1361 | $[ used in numeric lt (<) (did you mean $] ?) at - line 8. | |
1362 | $[ used in numeric gt (>) (did you mean $] ?) at - line 9. | |
1363 | $[ used in numeric le (<=) (did you mean $] ?) at - line 10. | |
1364 | $[ used in numeric ge (>=) (did you mean $] ?) at - line 11. | |
1365 | $[ used in numeric lt (<) (did you mean $] ?) at - line 13. | |
1366 | $[ used in numeric gt (>) (did you mean $] ?) at - line 14. | |
1367 | $[ used in numeric le (<=) (did you mean $] ?) at - line 15. | |
1368 | $[ used in numeric ge (>=) (did you mean $] ?) at - line 16. | |
1369 | $[ used in numeric lt (<) (did you mean $] ?) at - line 17. | |
1370 | $[ used in numeric gt (>) (did you mean $] ?) at - line 18. | |
1371 | $[ used in numeric le (<=) (did you mean $] ?) at - line 19. | |
1372 | $[ used in numeric ge (>=) (did you mean $] ?) at - line 20. | |
1373 | ######## | |
e508c8a4 MH |
1374 | # op.c [Perl_ck_length] |
1375 | use warnings 'syntax' ; | |
1376 | length(@a); | |
579333ee FC |
1377 | length(%b); |
1378 | length(@$c); | |
1379 | length(%$d); | |
e508c8a4 | 1380 | length($a); |
9710ad41 | 1381 | length(my %h); |
579333ee | 1382 | length(my @g); |
e508c8a4 | 1383 | EXPECT |
579333ee FC |
1384 | length() used on @a (did you mean "scalar(@a)"?) at - line 3. |
1385 | length() used on %b (did you mean "scalar(keys %b)"?) at - line 4. | |
e508c8a4 MH |
1386 | length() used on @array (did you mean "scalar(@array)"?) at - line 5. |
1387 | length() used on %hash (did you mean "scalar(keys %hash)"?) at - line 6. | |
579333ee FC |
1388 | length() used on %h (did you mean "scalar(keys %h)"?) at - line 8. |
1389 | length() used on @g (did you mean "scalar(@g)"?) at - line 9. | |
e508c8a4 | 1390 | ######## |
eb6e2d6f GS |
1391 | # op.c |
1392 | use warnings 'syntax' ; | |
1393 | join /---/, 'x', 'y', 'z'; | |
1394 | EXPECT | |
1395 | /---/ should probably be written as "---" at - line 3. | |
767a6a26 | 1396 | ######## |
ce16c625 BF |
1397 | # op.c |
1398 | use utf8; | |
1399 | use open qw( :utf8 :std ); | |
1400 | use warnings 'syntax' ; | |
1401 | join /~~~/, 'x', 'y', 'z'; | |
1402 | EXPECT | |
1403 | /~~~/ should probably be written as "~~~" at - line 5. | |
1404 | ######## | |
767a6a26 | 1405 | # op.c [Perl_peep] |
e476b1b5 | 1406 | use warnings 'prototype' ; |
767a6a26 PM |
1407 | fred() ; |
1408 | sub fred ($$) {} | |
e476b1b5 | 1409 | no warnings 'prototype' ; |
767a6a26 PM |
1410 | joe() ; |
1411 | sub joe ($$) {} | |
1412 | EXPECT | |
1413 | main::fred() called too early to check prototype at - line 3. | |
ddda08b7 GS |
1414 | ######## |
1415 | # op.c [Perl_newATTRSUB] | |
1416 | --FILE-- abc.pm | |
1417 | use warnings 'void' ; | |
1418 | BEGIN { $| = 1; print "in begin\n"; } | |
1419 | CHECK { print "in check\n"; } | |
1420 | INIT { print "in init\n"; } | |
1421 | END { print "in end\n"; } | |
1422 | print "in mainline\n"; | |
1423 | 1; | |
1424 | --FILE-- | |
1425 | use abc; | |
1426 | delete $INC{"abc.pm"}; | |
1427 | require abc; | |
1428 | do "abc.pm"; | |
1429 | EXPECT | |
1430 | in begin | |
1431 | in mainline | |
1432 | in check | |
1433 | in init | |
1434 | in begin | |
1435 | Too late to run CHECK block at abc.pm line 3. | |
1436 | Too late to run INIT block at abc.pm line 4. | |
1437 | in mainline | |
1438 | in begin | |
1439 | Too late to run CHECK block at abc.pm line 3. | |
1440 | Too late to run INIT block at abc.pm line 4. | |
1441 | in mainline | |
1442 | in end | |
1443 | in end | |
1444 | in end | |
1445 | ######## | |
1446 | # op.c [Perl_newATTRSUB] | |
1447 | --FILE-- abc.pm | |
1448 | no warnings 'void' ; | |
1449 | BEGIN { $| = 1; print "in begin\n"; } | |
1450 | CHECK { print "in check\n"; } | |
1451 | INIT { print "in init\n"; } | |
1452 | END { print "in end\n"; } | |
1453 | print "in mainline\n"; | |
1454 | 1; | |
1455 | --FILE-- | |
1456 | require abc; | |
1457 | do "abc.pm"; | |
1458 | EXPECT | |
1459 | in begin | |
1460 | in mainline | |
1461 | in begin | |
1462 | in mainline | |
1463 | in end | |
1464 | in end | |
936edb8b RH |
1465 | ######## |
1466 | # op.c | |
1467 | my @x; | |
f87c3213 | 1468 | use warnings 'syntax' ; |
936edb8b RH |
1469 | push(@x); |
1470 | unshift(@x); | |
f87c3213 | 1471 | no warnings 'syntax' ; |
936edb8b RH |
1472 | push(@x); |
1473 | unshift(@x); | |
1474 | EXPECT | |
de4864e4 JH |
1475 | Useless use of push with no values at - line 4. |
1476 | Useless use of unshift with no values at - line 5. | |
a27978d3 AMS |
1477 | ######## |
1478 | # op.c | |
f34840d8 MJD |
1479 | # 20020401 mjd@plover.com at suggestion of jfriedl@yahoo.com |
1480 | use warnings 'regexp'; | |
1481 | split /blah/g, "blah"; | |
1482 | no warnings 'regexp'; | |
1483 | split /blah/g, "blah"; | |
1484 | EXPECT | |
1485 | Use of /g modifier is meaningless in split at - line 4. | |
276b2a0c | 1486 | ######## |
82afc3d4 FC |
1487 | use feature "bitwise"; |
1488 | $_ = $_ | $_; | |
1489 | $_ = $_ & $_; | |
1490 | $_ = $_ ^ $_; | |
1491 | $_ = ~$_; | |
1492 | $_ = $_ |. $_; | |
1493 | $_ = $_ &. $_; | |
1494 | $_ = $_ ^. $_; | |
1495 | $_ = ~.$_; | |
1496 | $_ |= $_; | |
1497 | $_ &= $_; | |
1498 | $_ ^= $_; | |
1499 | $_ |.= $_; | |
1500 | $_ &.= $_; | |
1501 | $_ ^.= $_; | |
1502 | use warnings "experimental::bitwise"; | |
1503 | $_ = $_ | $_; | |
1504 | $_ = $_ & $_; | |
1505 | $_ = $_ ^ $_; | |
1506 | $_ = ~$_; | |
1507 | $_ = $_ |. $_; | |
1508 | $_ = $_ &. $_; | |
1509 | $_ = $_ ^. $_; | |
1510 | $_ = ~.$_; | |
1511 | $_ |= $_; | |
1512 | $_ &= $_; | |
1513 | $_ ^= $_; | |
1514 | $_ |.= $_; | |
1515 | $_ &.= $_; | |
1516 | $_ ^.= $_; | |
1517 | no warnings "experimental::bitwise"; | |
1518 | $_ = $_ | $_; | |
1519 | $_ = $_ & $_; | |
1520 | $_ = $_ ^ $_; | |
1521 | $_ = ~$_; | |
1522 | $_ = $_ |. $_; | |
1523 | $_ = $_ &. $_; | |
1524 | $_ = $_ ^. $_; | |
1525 | $_ = ~.$_; | |
1526 | $_ |= $_; | |
1527 | $_ &= $_; | |
1528 | $_ ^= $_; | |
1529 | $_ |.= $_; | |
1530 | $_ &.= $_; | |
1531 | $_ ^.= $_; | |
1532 | EXPECT | |
1533 | The bitwise feature is experimental at - line 2. | |
1534 | The bitwise feature is experimental at - line 3. | |
1535 | The bitwise feature is experimental at - line 4. | |
1536 | The bitwise feature is experimental at - line 5. | |
1537 | The bitwise feature is experimental at - line 6. | |
1538 | The bitwise feature is experimental at - line 7. | |
1539 | The bitwise feature is experimental at - line 8. | |
1540 | The bitwise feature is experimental at - line 9. | |
1541 | The bitwise feature is experimental at - line 10. | |
1542 | The bitwise feature is experimental at - line 11. | |
1543 | The bitwise feature is experimental at - line 12. | |
1544 | The bitwise feature is experimental at - line 13. | |
1545 | The bitwise feature is experimental at - line 14. | |
1546 | The bitwise feature is experimental at - line 15. | |
1547 | The bitwise feature is experimental at - line 17. | |
1548 | The bitwise feature is experimental at - line 18. | |
1549 | The bitwise feature is experimental at - line 19. | |
1550 | The bitwise feature is experimental at - line 20. | |
1551 | The bitwise feature is experimental at - line 21. | |
1552 | The bitwise feature is experimental at - line 22. | |
1553 | The bitwise feature is experimental at - line 23. | |
1554 | The bitwise feature is experimental at - line 24. | |
1555 | The bitwise feature is experimental at - line 25. | |
1556 | The bitwise feature is experimental at - line 26. | |
1557 | The bitwise feature is experimental at - line 27. | |
1558 | The bitwise feature is experimental at - line 28. | |
1559 | The bitwise feature is experimental at - line 29. | |
1560 | The bitwise feature is experimental at - line 30. | |
1561 | ######## | |
276b2a0c RGS |
1562 | # op.c |
1563 | use warnings 'precedence'; | |
1564 | $a = $b & $c == $d; | |
1565 | $a = $b ^ $c != $d; | |
1566 | $a = $b | $c > $d; | |
1567 | $a = $b < $c & $d; | |
1568 | $a = $b >= $c ^ $d; | |
1569 | $a = $b <= $c | $d; | |
1570 | $a = $b <=> $c & $d; | |
2b84528b | 1571 | $a &= $b == $c; $a |= $b == $c; $a ^= $b == $c; # shouldn't warn |
c34c1a44 FC |
1572 | { |
1573 | use experimental 'bitwise'; | |
1574 | $a = $b & $c == $d; | |
1575 | $a = $b ^ $c != $d; | |
1576 | $a = $b | $c > $d; | |
1577 | $a = $b < $c & $d; | |
1578 | $a = $b >= $c ^ $d; | |
1579 | $a = $b <= $c | $d; | |
1580 | $a = $b <=> $c & $d; | |
1581 | $a &= $b == $c; $a |= $b == $c; $a ^= $b == $c; # shouldn't warn | |
1582 | $a = $b &. $c == $d; | |
1583 | $a = $b ^. $c != $d; | |
1584 | $a = $b |. $c > $d; | |
1585 | $a = $b < $c &. $d; | |
1586 | $a = $b >= $c ^. $d; | |
1587 | $a = $b <= $c |. $d; | |
1588 | $a = $b <=> $c &. $d; | |
1589 | $a &.= $b == $c; $a |.= $b == $c; $a ^.= $b == $c; # shouldn't warn | |
1590 | } | |
276b2a0c RGS |
1591 | no warnings 'precedence'; |
1592 | $a = $b & $c == $d; | |
1593 | $a = $b ^ $c != $d; | |
1594 | $a = $b | $c > $d; | |
1595 | $a = $b < $c & $d; | |
1596 | $a = $b >= $c ^ $d; | |
1597 | $a = $b <= $c | $d; | |
1598 | $a = $b <=> $c & $d; | |
c34c1a44 FC |
1599 | { |
1600 | use experimental 'bitwise'; | |
1601 | $a = $b & $c == $d; | |
1602 | $a = $b ^ $c != $d; | |
1603 | $a = $b | $c > $d; | |
1604 | $a = $b < $c & $d; | |
1605 | $a = $b >= $c ^ $d; | |
1606 | $a = $b <= $c | $d; | |
1607 | $a = $b <=> $c & $d; | |
1608 | $a &= $b == $c; $a |= $b == $c; $a ^= $b == $c; # shouldn't warn | |
1609 | $a = $b &. $c == $d; | |
1610 | $a = $b ^. $c != $d; | |
1611 | $a = $b |. $c > $d; | |
1612 | $a = $b < $c &. $d; | |
1613 | $a = $b >= $c ^. $d; | |
1614 | $a = $b <= $c |. $d; | |
1615 | $a = $b <=> $c &. $d; | |
1616 | $a &.= $b == $c; $a |.= $b == $c; $a ^.= $b == $c; # shouldn't warn | |
1617 | } | |
276b2a0c RGS |
1618 | EXPECT |
1619 | Possible precedence problem on bitwise & operator at - line 3. | |
1620 | Possible precedence problem on bitwise ^ operator at - line 4. | |
1621 | Possible precedence problem on bitwise | operator at - line 5. | |
1622 | Possible precedence problem on bitwise & operator at - line 6. | |
1623 | Possible precedence problem on bitwise ^ operator at - line 7. | |
1624 | Possible precedence problem on bitwise | operator at - line 8. | |
1625 | Possible precedence problem on bitwise & operator at - line 9. | |
c34c1a44 FC |
1626 | Possible precedence problem on bitwise & operator at - line 13. |
1627 | Possible precedence problem on bitwise ^ operator at - line 14. | |
1628 | Possible precedence problem on bitwise | operator at - line 15. | |
1629 | Possible precedence problem on bitwise & operator at - line 16. | |
1630 | Possible precedence problem on bitwise ^ operator at - line 17. | |
1631 | Possible precedence problem on bitwise | operator at - line 18. | |
1632 | Possible precedence problem on bitwise & operator at - line 19. | |
1633 | Possible precedence problem on bitwise &. operator at - line 21. | |
1634 | Possible precedence problem on bitwise ^. operator at - line 22. | |
1635 | Possible precedence problem on bitwise |. operator at - line 23. | |
1636 | Possible precedence problem on bitwise &. operator at - line 24. | |
1637 | Possible precedence problem on bitwise ^. operator at - line 25. | |
1638 | Possible precedence problem on bitwise |. operator at - line 26. | |
1639 | Possible precedence problem on bitwise &. operator at - line 27. | |
276b2a0c RGS |
1640 | ######## |
1641 | # op.c | |
1642 | use integer; | |
1643 | use warnings 'precedence'; | |
1644 | $a = $b & $c == $d; | |
1645 | $a = $b ^ $c != $d; | |
1646 | $a = $b | $c > $d; | |
1647 | $a = $b < $c & $d; | |
1648 | $a = $b >= $c ^ $d; | |
1649 | $a = $b <= $c | $d; | |
1650 | $a = $b <=> $c & $d; | |
1651 | no warnings 'precedence'; | |
1652 | $a = $b & $c == $d; | |
1653 | $a = $b ^ $c != $d; | |
1654 | $a = $b | $c > $d; | |
1655 | $a = $b < $c & $d; | |
1656 | $a = $b >= $c ^ $d; | |
1657 | $a = $b <= $c | $d; | |
1658 | $a = $b <=> $c & $d; | |
1659 | EXPECT | |
1660 | Possible precedence problem on bitwise & operator at - line 4. | |
1661 | Possible precedence problem on bitwise ^ operator at - line 5. | |
1662 | Possible precedence problem on bitwise | operator at - line 6. | |
1663 | Possible precedence problem on bitwise & operator at - line 7. | |
1664 | Possible precedence problem on bitwise ^ operator at - line 8. | |
1665 | Possible precedence problem on bitwise | operator at - line 9. | |
1666 | Possible precedence problem on bitwise & operator at - line 10. | |
ddeae0f1 DM |
1667 | ######## |
1668 | # op.c | |
1669 | ||
1670 | # ok => local() has desired effect; | |
1671 | # ignore=> local() silently ignored | |
1672 | ||
1673 | use warnings 'syntax'; | |
1674 | ||
1675 | local(undef); # OP_UNDEF ignore | |
1676 | sub lval : lvalue {}; | |
1677 | local(lval()); # OP_ENTERSUB | |
1678 | local($x **= 1); # OP_POW | |
1679 | local($x *= 1); # OP_MULTIPLY | |
1680 | local($x /= 1); # OP_DIVIDE | |
1681 | local($x %= 1); # OP_MODULO | |
1682 | local($x x= 1); # OP_REPEAT | |
1683 | local($x += 1); # OP_ADD | |
1684 | local($x -= 1); # OP_SUBTRACT | |
1685 | local($x .= 1); # OP_CONCAT | |
1686 | local($x <<= 1); # OP_LEFT_SHIFT | |
1687 | local($x >>= 1); # OP_RIGHT_SHIFT | |
1688 | local($x &= 1); # OP_BIT_AND | |
1689 | local($x ^= 1); # OP_BIT_XOR | |
1690 | local($x |= 1); # OP_BIT_OR | |
1691 | { | |
1692 | use integer; | |
1693 | local($x *= 1); # OP_I_MULTIPLY | |
1694 | local($x /= 1); # OP_I_DIVIDE | |
1695 | local($x %= 1); # OP_I_MODULO | |
1696 | local($x += 1); # OP_I_ADD | |
1697 | local($x -= 1); # OP_I_SUBTRACT | |
1698 | } | |
1699 | local($x?$y:$z) = 1; # OP_COND_EXPR ok | |
1700 | # these two are fatal run-time errors instead | |
1701 | #local(@$a); # OP_RV2AV ok | |
1702 | #local(%$a); # OP_RV2HV ok | |
1703 | local(*a); # OP_RV2GV ok | |
1704 | local(@a[1,2]); # OP_ASLICE ok | |
1705 | local(@a{1,2}); # OP_HSLICE ok | |
1706 | local(@a = (1,2)); # OP_AASSIGN | |
1707 | local($$x); # OP_RV2SV ok | |
1708 | local($#a); # OP_AV2ARYLEN | |
1709 | local($x = 1); # OP_SASSIGN | |
1710 | local($x &&= 1); # OP_ANDASSIGN | |
1711 | local($x ||= 1); # OP_ORASSIGN | |
1712 | local($x //= 1); # OP_DORASSIGN | |
1713 | local($a[0]); # OP_AELEMFAST ok | |
1714 | ||
1715 | local(substr($x,0,1)); # OP_SUBSTR | |
1716 | local(pos($x)); # OP_POS | |
1717 | local(vec($x,0,1)); # OP_VEC | |
1718 | local($a[$b]); # OP_AELEM ok | |
1719 | local($a{$b}); # OP_HELEM ok | |
1720 | ||
1721 | no warnings 'syntax'; | |
1722 | EXPECT | |
1723 | Useless localization of subroutine entry at - line 10. | |
1724 | Useless localization of exponentiation (**) at - line 11. | |
1725 | Useless localization of multiplication (*) at - line 12. | |
1726 | Useless localization of division (/) at - line 13. | |
1727 | Useless localization of modulus (%) at - line 14. | |
1728 | Useless localization of repeat (x) at - line 15. | |
1729 | Useless localization of addition (+) at - line 16. | |
1730 | Useless localization of subtraction (-) at - line 17. | |
1731 | Useless localization of concatenation (.) or string at - line 18. | |
1732 | Useless localization of left bitshift (<<) at - line 19. | |
1733 | Useless localization of right bitshift (>>) at - line 20. | |
1734 | Useless localization of bitwise and (&) at - line 21. | |
1735 | Useless localization of bitwise xor (^) at - line 22. | |
1736 | Useless localization of bitwise or (|) at - line 23. | |
1737 | Useless localization of integer multiplication (*) at - line 26. | |
1738 | Useless localization of integer division (/) at - line 27. | |
1739 | Useless localization of integer modulus (%) at - line 28. | |
1740 | Useless localization of integer addition (+) at - line 29. | |
1741 | Useless localization of integer subtraction (-) at - line 30. | |
1742 | Useless localization of list assignment at - line 39. | |
1743 | Useless localization of array length at - line 41. | |
1744 | Useless localization of scalar assignment at - line 42. | |
1745 | Useless localization of logical and assignment (&&=) at - line 43. | |
1746 | Useless localization of logical or assignment (||=) at - line 44. | |
1747 | Useless localization of defined or assignment (//=) at - line 45. | |
1748 | Useless localization of substr at - line 48. | |
1749 | Useless localization of match position at - line 49. | |
1750 | Useless localization of vec at - line 50. | |
7921d0f2 DM |
1751 | ######## |
1752 | # op.c | |
7921d0f2 DM |
1753 | my $x1 if 0; |
1754 | my @x2 if 0; | |
1755 | my %x3 if 0; | |
1756 | my ($x4) if 0; | |
1757 | my ($x5,@x6, %x7) if 0; | |
1758 | 0 && my $z1; | |
1759 | 0 && my (%z2); | |
1760 | # these shouldn't warn | |
1761 | our $x if 0; | |
1762 | our $x unless 0; | |
1763 | if (0) { my $w1 } | |
1764 | if (my $w2) { $a=1 } | |
1765 | if ($a && (my $w3 = 1)) {$a = 2} | |
1766 | ||
1767 | EXPECT | |
d1d15184 | 1768 | Deprecated use of my() in false conditional at - line 2. |
7921d0f2 DM |
1769 | Deprecated use of my() in false conditional at - line 3. |
1770 | Deprecated use of my() in false conditional at - line 4. | |
1771 | Deprecated use of my() in false conditional at - line 5. | |
1772 | Deprecated use of my() in false conditional at - line 6. | |
1773 | Deprecated use of my() in false conditional at - line 7. | |
1774 | Deprecated use of my() in false conditional at - line 8. | |
55b67815 RGS |
1775 | ######## |
1776 | # op.c | |
36b2db7e FC |
1777 | $[ = 1; |
1778 | ($[) = 1; | |
1779 | use warnings 'deprecated'; | |
1780 | $[ = 2; | |
1781 | ($[) = 2; | |
1782 | no warnings 'deprecated'; | |
1783 | $[ = 3; | |
1784 | ($[) = 3; | |
1785 | EXPECT | |
1786 | Use of assignment to $[ is deprecated at - line 2. | |
1787 | Use of assignment to $[ is deprecated at - line 3. | |
1788 | Use of assignment to $[ is deprecated at - line 5. | |
1789 | Use of assignment to $[ is deprecated at - line 6. | |
1790 | ######## | |
1791 | # op.c | |
75068674 RGS |
1792 | use warnings 'void'; |
1793 | @x = split /y/, "z"; | |
1794 | $x = split /y/, "z"; | |
1795 | split /y/, "z"; | |
1796 | no warnings 'void'; | |
1797 | @x = split /y/, "z"; | |
1798 | $x = split /y/, "z"; | |
1799 | split /y/, "z"; | |
1800 | EXPECT | |
1801 | Useless use of split in void context at - line 5. | |
34ee6772 BF |
1802 | ######## |
1803 | # op.c | |
1804 | use warnings 'redefine' ; | |
1805 | use utf8; | |
1806 | use open qw( :utf8 :std ); | |
1807 | sub frèd {} | |
1808 | sub frèd {} | |
1809 | no warnings 'redefine' ; | |
1810 | sub frèd {} | |
1811 | EXPECT | |
1812 | Subroutine frèd redefined at - line 6. | |
1813 | ######## | |
1814 | # op.c | |
1815 | use warnings 'redefine' ; | |
1816 | use utf8; | |
1817 | use open qw( :utf8 :std ); | |
1818 | sub frèd () { 1 } | |
1819 | sub frèd () { 1 } | |
1820 | no warnings 'redefine' ; | |
1821 | sub frèd () { 1 } | |
1822 | EXPECT | |
1823 | Constant subroutine frèd redefined at - line 6. | |
1824 | ######## | |
1825 | # op.c | |
34ee6772 BF |
1826 | use utf8; |
1827 | use open qw( :utf8 :std ); | |
1828 | sub frèd () { 1 } | |
1829 | sub frèd () { 2 } | |
1830 | EXPECT | |
efcf35c4 | 1831 | Constant subroutine frèd redefined at - line 5. |
34ee6772 BF |
1832 | ######## |
1833 | # op.c | |
34ee6772 BF |
1834 | use utf8; |
1835 | use open qw( :utf8 :std ); | |
1836 | sub frèd () { 1 } | |
1837 | *frèd = sub () { 2 }; | |
1838 | EXPECT | |
efcf35c4 | 1839 | Constant subroutine main::frèd redefined at - line 5. |
34ee6772 BF |
1840 | ######## |
1841 | # op.c | |
1842 | use warnings 'redefine' ; | |
1843 | use utf8; | |
1844 | use open qw( :utf8 :std ); | |
1845 | sub ᚠርƊ {} | |
1846 | sub ᚠርƊ {} | |
1847 | no warnings 'redefine' ; | |
1848 | sub ᚠርƊ {} | |
1849 | EXPECT | |
1850 | Subroutine ᚠርƊ redefined at - line 6. | |
1851 | ######## | |
1852 | # op.c | |
1853 | use warnings 'redefine' ; | |
1854 | use utf8; | |
1855 | use open qw( :utf8 :std ); | |
1856 | sub ᚠርƊ () { 1 } | |
1857 | sub ᚠርƊ () { 1 } | |
1858 | no warnings 'redefine' ; | |
1859 | sub ᚠርƊ () { 1 } | |
1860 | EXPECT | |
1861 | Constant subroutine ᚠርƊ redefined at - line 6. | |
1862 | ######## | |
1863 | # op.c | |
34ee6772 BF |
1864 | use utf8; |
1865 | use open qw( :utf8 :std ); | |
1866 | sub ᚠርƊ () { 1 } | |
1867 | sub ᚠርƊ () { 2 } | |
1868 | EXPECT | |
efcf35c4 | 1869 | Constant subroutine ᚠርƊ redefined at - line 5. |
34ee6772 BF |
1870 | ######## |
1871 | # op.c | |
34ee6772 BF |
1872 | use utf8; |
1873 | use open qw( :utf8 :std ); | |
1874 | sub ᚠርƊ () { 1 } | |
1875 | *ᚠርƊ = sub () { 2 }; | |
1876 | EXPECT | |
efcf35c4 | 1877 | Constant subroutine main::ᚠርƊ redefined at - line 5. |
34ee6772 | 1878 | ######## |
d787f4a5 NC |
1879 | # OPTION regex |
1880 | sub DynaLoader::dl_error {}; | |
1881 | use warnings; | |
1882 | # We're testing that the warnings report the same line number: | |
1883 | eval <<'EOC' or die $@; | |
1884 | { | |
1885 | DynaLoader::boot_DynaLoader("DynaLoader"); | |
1886 | } | |
1887 | EOC | |
1888 | eval <<'EOC' or die $@; | |
1889 | BEGIN { | |
1890 | DynaLoader::boot_DynaLoader("DynaLoader"); | |
1891 | } | |
1892 | 1 | |
1893 | EOC | |
1894 | EXPECT | |
1895 | OPTION regex | |
1896 | \ASubroutine DynaLoader::dl_error redefined at \(eval 1\) line 2\. | |
b5ab070a | 1897 | ?(?s).* |
d787f4a5 NC |
1898 | Subroutine DynaLoader::dl_error redefined at \(eval 2\) line 2\. |
1899 | ######## | |
9da2d046 NT |
1900 | # op.c |
1901 | use warnings; | |
1902 | sub do_warn_1 { return $a or $b; } | |
1903 | sub do_warn_2 { return $a and $b; } | |
1904 | sub do_warn_3 { return $a xor $b; } | |
1905 | sub do_warn_4 { die $a or $b; } | |
1906 | sub do_warn_5 { die $a and $b; } | |
1907 | sub do_warn_6 { die $a xor $b; } | |
1908 | sub do_warn_7 { exit $a or $b; } | |
1909 | sub do_warn_8 { exit $a and $b; } | |
1910 | sub do_warn_9 { exit $a xor $b; } | |
1911 | ||
1912 | # Since exit is an unary operator, it is even stronger than | |
1913 | # || and &&. | |
1914 | sub do_warn_10 { exit $a || $b; } | |
1915 | sub do_warn_11 { exit $a && $b; } | |
1916 | ||
1917 | sub do_warn_12 { goto $a or $b; } | |
1918 | sub do_warn_13 { goto $a and $b; } | |
1919 | sub do_warn_14 { goto $a xor $b; } | |
1920 | sub do_warn_15 { next $a or $b while(1); } | |
1921 | sub do_warn_16 { next $a and $b while(1); } | |
1922 | sub do_warn_17 { next $a xor $b while(1); } | |
1923 | sub do_warn_18 { last $a or $b while(1); } | |
1924 | sub do_warn_19 { last $a and $b while(1); } | |
1925 | sub do_warn_20 { last $a xor $b while(1); } | |
1926 | sub do_warn_21 { redo $a or $b while(1); } | |
1927 | sub do_warn_22 { redo $a and $b while(1); } | |
1928 | sub do_warn_23 { redo $a xor $b while(1); } | |
1929 | # These get re-written to "(return/die $a) and $b" | |
1930 | sub do_warn_24 { $b if return $a; } | |
1931 | sub do_warn_25 { $b if die $a; } | |
1932 | EXPECT | |
1933 | Possible precedence issue with control flow operator at - line 3. | |
1934 | Possible precedence issue with control flow operator at - line 4. | |
1935 | Possible precedence issue with control flow operator at - line 5. | |
1936 | Possible precedence issue with control flow operator at - line 6. | |
1937 | Possible precedence issue with control flow operator at - line 7. | |
1938 | Possible precedence issue with control flow operator at - line 8. | |
1939 | Possible precedence issue with control flow operator at - line 9. | |
1940 | Possible precedence issue with control flow operator at - line 10. | |
1941 | Possible precedence issue with control flow operator at - line 11. | |
1942 | Possible precedence issue with control flow operator at - line 15. | |
1943 | Possible precedence issue with control flow operator at - line 16. | |
1944 | Possible precedence issue with control flow operator at - line 18. | |
1945 | Possible precedence issue with control flow operator at - line 19. | |
1946 | Possible precedence issue with control flow operator at - line 20. | |
1947 | Possible precedence issue with control flow operator at - line 21. | |
1948 | Possible precedence issue with control flow operator at - line 22. | |
1949 | Possible precedence issue with control flow operator at - line 23. | |
1950 | Possible precedence issue with control flow operator at - line 24. | |
1951 | Possible precedence issue with control flow operator at - line 25. | |
1952 | Possible precedence issue with control flow operator at - line 26. | |
1953 | Possible precedence issue with control flow operator at - line 27. | |
1954 | Possible precedence issue with control flow operator at - line 28. | |
1955 | Possible precedence issue with control flow operator at - line 29. | |
1956 | Possible precedence issue with control flow operator at - line 31. | |
1957 | Possible precedence issue with control flow operator at - line 32. | |
1958 | ######## | |
1959 | # op.c | |
1960 | # (same as above, except these should not warn) | |
1961 | use constant FEATURE => 1; | |
1962 | use constant MISSING_FEATURE => 0; | |
1963 | ||
1964 | sub dont_warn_1 { MISSING_FEATURE and return or dont_warn_3(); } | |
1965 | sub dont_warn_2 { FEATURE || return and dont_warn_3(); } | |
1966 | sub dont_warn_3 { not FEATURE and return or dont_warn_3(); } | |
1967 | sub dont_warn_4 { !MISSING_FEATURE || return and dont_warn_3(); } | |
1968 | sub dont_warn_5 { MISSING_FEATURE and die or dont_warn_3(); } | |
1969 | sub dont_warn_6 { FEATURE || die and dont_warn_3(); } | |
1970 | sub dont_warn_7 { not FEATURE and die or dont_warn_3(); } | |
1971 | sub dont_warn_8 { !MISSING_FEATURE || die and dont_warn_3(); } | |
1972 | sub dont_warn_9 { MISSING_FEATURE and goto $a or dont_warn_3(); } | |
1973 | sub dont_warn_10 { FEATURE || goto $a and dont_warn_3(); } | |
1974 | sub dont_warn_11 { not FEATURE and goto $a or dont_warn_3(); } | |
1975 | sub dont_warn_12 { !MISSING_FEATURE || goto $a and dont_warn_3(); } | |
1976 | ||
1977 | sub dont_warn_13 { MISSING_FEATURE and exit $a or dont_warn_3(); } | |
1978 | sub dont_warn_14 { FEATURE || exit $a and dont_warn_3(); } | |
1979 | sub dont_warn_15 { not FEATURE and exit $a or dont_warn_3(); } | |
1980 | sub dont_warn_16 { !MISSING_FEATURE || exit $a and dont_warn_3(); } | |
1981 | ||
1982 | sub dont_warn_17 { MISSING_FEATURE and next or dont_warn_3() while(1); } | |
1983 | sub dont_warn_18 { FEATURE || next and dont_warn_3() while(1); } | |
1984 | sub dont_warn_19 { not FEATURE and next or dont_warn_3() while(1); } | |
1985 | sub dont_warn_20 { !MISSING_FEATURE || next and dont_warn_3() while(1); } | |
1986 | sub dont_warn_21 { MISSING_FEATURE and redo or dont_warn_3() while(1); } | |
1987 | sub dont_warn_22 { FEATURE || redo and dont_warn_3() while(1); } | |
1988 | sub dont_warn_23 { not FEATURE and redo or dont_warn_3() while(1); } | |
1989 | sub dont_warn_24 { !MISSING_FEATURE || redo and dont_warn_3() while(1); } | |
1990 | sub dont_warn_25 { MISSING_FEATURE and last or dont_warn_3() while(1); } | |
1991 | sub dont_warn_26 { FEATURE || last and dont_warn_3() while(1); } | |
1992 | sub dont_warn_27 { not FEATURE and last or dont_warn_3() while(1); } | |
1993 | sub dont_warn_28 { !MISSING_FEATURE || last and dont_warn_3() while(1); } | |
1994 | ||
1995 | # These are weird, but at least not ambiguous. | |
1996 | sub dont_warn_29 { return ($a or $b); } | |
1997 | sub dont_warn_30 { return ($a and $b); } | |
1998 | sub dont_warn_31 { return ($a xor $b); } | |
1999 | sub dont_warn_32 { die ($a or $b); } | |
2000 | sub dont_warn_33 { die ($a and $b); } | |
2001 | sub dont_warn_34 { die ($a xor $b); } | |
2002 | sub dont_warn_35 { goto ($a or $b); } | |
2003 | sub dont_warn_36 { goto ($a and $b); } | |
2004 | sub dont_warn_37 { goto ($a xor $b); } | |
2005 | sub dont_warn_38 { next ($a or $b) while(1); } | |
2006 | sub dont_warn_39 { next ($a and $b) while(1); } | |
2007 | sub dont_warn_40 { next ($a xor $b) while(1); } | |
2008 | sub dont_warn_41 { last ($a or $b) while(1); } | |
2009 | sub dont_warn_42 { last ($a and $b) while(1); } | |
2010 | sub dont_warn_43 { last ($a xor $b) while(1); } | |
2011 | sub dont_warn_44 { redo ($a or $b) while(1); } | |
2012 | sub dont_warn_45 { redo ($a and $b) while(1); } | |
2013 | sub dont_warn_46 { redo ($a xor $b) while(1); } | |
2014 | EXPECT | |
30d9c59b Z |
2015 | ######## |
2016 | use feature "signatures"; | |
2017 | sub aaa { 2 } | |
2018 | sub bbb ($a) { 4 } | |
2019 | $aaa = sub { 2 }; | |
2020 | $bbb = sub ($a) { 4 }; | |
2021 | EXPECT | |
2022 | The signatures feature is experimental at - line 3. | |
2023 | The signatures feature is experimental at - line 5. | |
2024 | ######## | |
2025 | no warnings "experimental::signatures"; | |
2026 | use feature "signatures"; | |
2027 | sub aaa { 2 } | |
2028 | sub bbb ($a) { 4 } | |
2029 | $aaa = sub { 2 }; | |
2030 | $bbb = sub ($a) { 4 }; | |
2031 | EXPECT | |
b3211734 KW |
2032 | ######## |
2033 | use warnings 'numeric'; | |
2034 | my $c = -4.5; | |
2035 | my $a = "y" x $c; | |
2036 | my $b = "y" x -3; | |
2037 | no warnings 'numeric'; | |
2038 | my $d = "y" x $c; | |
2039 | my $e = "y" x -3; | |
2040 | no warnings 'numeric'; | |
2041 | EXPECT | |
2042 | Negative repeat count does nothing at - line 3. | |
2043 | Negative repeat count does nothing at - line 4. | |
02a7a248 JH |
2044 | ######## |
2045 | my $a = "inf" + 0; | |
2046 | my $b = -$a; | |
2047 | my $c = "nan" + 0; | |
2048 | use warnings 'numeric'; | |
2049 | my $x = "x" x $a; | |
2050 | my $y = "y" x $b; | |
2051 | my $z = "z" x $c; | |
2052 | no warnings 'numeric'; | |
2053 | my $x = "x" x $a; | |
2054 | my $y = "y" x $b; | |
2055 | my $z = "z" x $c; | |
2056 | no warnings 'numeric'; | |
2057 | EXPECT | |
2058 | Non-finite repeat count does nothing at - line 5. | |
2059 | Non-finite repeat count does nothing at - line 6. | |
2060 | Non-finite repeat count does nothing at - line 7. | |
637494ac TC |
2061 | ######## |
2062 | # NAME warn on stat @array | |
2063 | @foo = ("op/stat.t"); | |
2064 | stat @foo; | |
2065 | my @bar = @foo; | |
2066 | stat @bar; | |
2067 | my $ref = \@foo; | |
2068 | stat @$ref; | |
2069 | use warnings 'syntax'; | |
2070 | stat @foo; | |
2071 | stat @bar; | |
2072 | stat @$ref; | |
2073 | EXPECT | |
2074 | Array passed to stat will be coerced to a scalar (did you want stat $foo[0]?) at - line 8. | |
2075 | Array passed to stat will be coerced to a scalar (did you want stat $bar[0]?) at - line 9. | |
2076 | Array passed to stat will be coerced to a scalar at - line 10. | |
2077 | ||
2e6807b5 AC |
2078 | ######## |
2079 | # NAME barewords and conditionals near constant folding | |
2080 | use warnings; | |
2081 | my $x1 = !a || !b; # no "in conditional" warnings | |
2082 | my $x2 = !A || !B; # warning-free, because upper-case won't clash | |
2083 | EXPECT | |
2084 | Unquoted string "a" may clash with future reserved word at - line 2. | |
2085 | Unquoted string "b" may clash with future reserved word at - line 2. | |
9c260336 DC |
2086 | ######## |
2087 | # RT #6870: Odd parsing of do...for... | |
2088 | # This was really more a tokenizer bug, but it manifests as spurious warnings | |
2089 | use warnings; | |
2090 | no warnings 'reserved'; | |
2091 | $a=do xa for ax; | |
2092 | do "xa" for ax; | |
2093 | do xa for ax; | |
2094 | do xa for "ax"; | |
2095 | do xa for sin(1); | |
2096 | do xa for (sin(1)); | |
2097 | do xa for "sin"; | |
2098 | do xa for qq(sin); | |
2099 | do xa for my $a; | |
2100 | do xa for my @a; | |
2101 | EXPECT |