Commit | Line | Data |
599cee73 |
1 | op.c AOK |
2 | |
3 | "my" variable %s masks earlier declaration in same scope |
4 | my $x; |
5 | my $x ; |
6 | |
7 | Variable "%s" may be unavailable |
8 | sub x { |
9 | my $x; |
10 | sub y { |
11 | $x |
12 | } |
13 | } |
14 | |
15 | Variable "%s" will not stay shared |
16 | sub x { |
17 | my $x; |
18 | sub y { |
19 | sub { $x } |
20 | } |
21 | } |
22 | |
23 | Found = in conditional, should be == |
24 | 1 if $a = 1 ; |
25 | |
26 | Use of implicit split to @_ is deprecated |
27 | split ; |
28 | |
29 | Use of implicit split to @_ is deprecated |
30 | $a = split ; |
31 | |
32 | Useless use of time in void context |
33 | Useless use of a variable in void context |
34 | Useless use of a constant in void context |
35 | time ; |
36 | $a ; |
37 | "abc" |
38 | |
a801c63c |
39 | Useless use of sort in scalar context |
40 | my $x = sort (2,1,3); |
41 | |
599cee73 |
42 | Applying %s to %s will act on scalar(%s) |
43 | my $a ; my @a = () ; my %a = () ; my $b = \@a ; my $c = \%a ; |
44 | @a =~ /abc/ ; |
45 | @a =~ s/a/b/ ; |
46 | @a =~ tr/a/b/ ; |
47 | @$b =~ /abc/ ; |
48 | @$b =~ s/a/b/ ; |
49 | @$b =~ tr/a/b/ ; |
50 | %a =~ /abc/ ; |
51 | %a =~ s/a/b/ ; |
52 | %a =~ tr/a/b/ ; |
53 | %$c =~ /abc/ ; |
54 | %$c =~ s/a/b/ ; |
55 | %$c =~ tr/a/b/ ; |
56 | |
57 | |
df5b6949 |
58 | Parentheses missing around "my" list at -e line 1. |
599cee73 |
59 | my $a, $b = (1,2); |
60 | |
df5b6949 |
61 | Parentheses missing around "local" list at -e line 1. |
599cee73 |
62 | local $a, $b = (1,2); |
63 | |
34d09196 |
64 | Bareword found in conditional at -e line 1. |
e476b1b5 |
65 | use warnings 'bareword'; my $x = print(ABC || 1); |
599cee73 |
66 | |
67 | Value of %s may be \"0\"; use \"defined\" |
68 | $x = 1 if $x = <FH> ; |
69 | $x = 1 while $x = <FH> ; |
70 | |
71 | Subroutine fred redefined at -e line 1. |
72 | sub fred{1;} sub fred{1;} |
73 | |
74 | Constant subroutine %s redefined |
75 | sub fred() {1;} sub fred() {1;} |
76 | |
77 | Format FRED redefined at /tmp/x line 5. |
78 | format FRED = |
79 | . |
80 | format FRED = |
81 | . |
82 | |
83 | Array @%s missing the @ in argument %d of %s() |
84 | push fred ; |
85 | |
86 | Hash %%%s missing the %% in argument %d of %s() |
87 | keys joe ; |
88 | |
89 | Statement unlikely to be reached |
cc507455 |
90 | (Maybe you meant system() when you said exec()? |
599cee73 |
91 | exec "true" ; my $a |
92 | |
f10b0346 |
93 | defined(@array) is deprecated |
cc507455 |
94 | (Maybe you should just omit the defined()?) |
69794302 |
95 | my @a ; defined @a ; |
96 | defined (@a = (1,2,3)) ; |
97 | |
f10b0346 |
98 | defined(%hash) is deprecated |
cc507455 |
99 | (Maybe you should just omit the defined()?) |
69794302 |
100 | my %h ; defined %h ; |
eb6e2d6f |
101 | |
102 | /---/ should probably be written as "---" |
103 | join(/---/, @foo); |
599cee73 |
104 | |
767a6a26 |
105 | %s() called too early to check prototype [Perl_peep] |
106 | fred() ; sub fred ($$) {} |
107 | |
108 | |
3b434eb1 |
109 | Package `%s' not found (did you use the incorrect case?) |
110 | |
f34840d8 |
111 | Use of /g modifier is meaningless in split |
112 | |
276b2a0c |
113 | Possible precedence problem on bitwise %c operator [Perl_ck_bitop] |
114 | |
0453d815 |
115 | Mandatory Warnings |
116 | ------------------ |
117 | Prototype mismatch: [cv_ckproto] |
118 | sub fred() ; |
119 | sub fred($) {} |
120 | |
121 | %s never introduced [pad_leavemy] TODO |
122 | Runaway prototype [newSUB] TODO |
123 | oops: oopsAV [oopsAV] TODO |
124 | oops: oopsHV [oopsHV] TODO |
125 | |
599cee73 |
126 | __END__ |
127 | # op.c |
e476b1b5 |
128 | use warnings 'misc' ; |
599cee73 |
129 | my $x ; |
130 | my $x ; |
6459ac82 |
131 | my $y = my $y ; |
e476b1b5 |
132 | no warnings 'misc' ; |
0453d815 |
133 | my $x ; |
6459ac82 |
134 | my $y ; |
599cee73 |
135 | EXPECT |
136 | "my" variable $x masks earlier declaration in same scope at - line 4. |
6459ac82 |
137 | "my" variable $y masks earlier declaration in same statement at - line 5. |
599cee73 |
138 | ######## |
139 | # op.c |
e476b1b5 |
140 | use warnings 'closure' ; |
599cee73 |
141 | sub x { |
142 | my $x; |
143 | sub y { |
144 | $x |
145 | } |
146 | } |
147 | EXPECT |
148 | Variable "$x" will not stay shared at - line 7. |
149 | ######## |
150 | # op.c |
e476b1b5 |
151 | no warnings 'closure' ; |
0453d815 |
152 | sub x { |
153 | my $x; |
154 | sub y { |
155 | $x |
156 | } |
157 | } |
158 | EXPECT |
159 | |
160 | ######## |
161 | # op.c |
e476b1b5 |
162 | use warnings 'closure' ; |
599cee73 |
163 | sub x { |
741b6338 |
164 | our $x; |
165 | sub y { |
166 | $x |
167 | } |
168 | } |
169 | EXPECT |
170 | |
171 | ######## |
172 | # op.c |
173 | use warnings 'closure' ; |
174 | sub x { |
599cee73 |
175 | my $x; |
176 | sub y { |
177 | sub { $x } |
178 | } |
179 | } |
180 | EXPECT |
181 | Variable "$x" may be unavailable at - line 6. |
182 | ######## |
183 | # op.c |
e476b1b5 |
184 | no warnings 'closure' ; |
0453d815 |
185 | sub x { |
186 | my $x; |
187 | sub y { |
188 | sub { $x } |
189 | } |
190 | } |
191 | EXPECT |
192 | |
193 | ######## |
194 | # op.c |
4438c4b7 |
195 | use warnings 'syntax' ; |
599cee73 |
196 | 1 if $a = 1 ; |
4438c4b7 |
197 | no warnings 'syntax' ; |
0453d815 |
198 | 1 if $a = 1 ; |
599cee73 |
199 | EXPECT |
200 | Found = in conditional, should be == at - line 3. |
201 | ######## |
202 | # op.c |
4438c4b7 |
203 | use warnings 'deprecated' ; |
599cee73 |
204 | split ; |
4438c4b7 |
205 | no warnings 'deprecated' ; |
0453d815 |
206 | split ; |
599cee73 |
207 | EXPECT |
208 | Use of implicit split to @_ is deprecated at - line 3. |
209 | ######## |
210 | # op.c |
4438c4b7 |
211 | use warnings 'deprecated' ; |
599cee73 |
212 | $a = split ; |
4438c4b7 |
213 | no warnings 'deprecated' ; |
0453d815 |
214 | $a = split ; |
599cee73 |
215 | EXPECT |
216 | Use of implicit split to @_ is deprecated at - line 3. |
217 | ######## |
218 | # op.c |
a1063b2d |
219 | use warnings 'deprecated'; |
220 | my (@foo, %foo); |
221 | %main::foo->{"bar"}; |
222 | %foo->{"bar"}; |
223 | @main::foo->[23]; |
224 | @foo->[23]; |
225 | $main::foo = {}; %$main::foo->{"bar"}; |
226 | $foo = {}; %$foo->{"bar"}; |
227 | $main::foo = []; @$main::foo->[34]; |
228 | $foo = []; @$foo->[34]; |
229 | no warnings 'deprecated'; |
230 | %main::foo->{"bar"}; |
231 | %foo->{"bar"}; |
232 | @main::foo->[23]; |
233 | @foo->[23]; |
234 | $main::foo = {}; %$main::foo->{"bar"}; |
235 | $foo = {}; %$foo->{"bar"}; |
236 | $main::foo = []; @$main::foo->[34]; |
237 | $foo = []; @$foo->[34]; |
238 | EXPECT |
239 | Using a hash as a reference is deprecated at - line 4. |
240 | Using a hash as a reference is deprecated at - line 5. |
241 | Using an array as a reference is deprecated at - line 6. |
242 | Using an array as a reference is deprecated at - line 7. |
243 | Using a hash as a reference is deprecated at - line 8. |
244 | Using a hash as a reference is deprecated at - line 9. |
245 | Using an array as a reference is deprecated at - line 10. |
246 | Using an array as a reference is deprecated at - line 11. |
247 | ######## |
248 | # op.c |
4438c4b7 |
249 | use warnings 'void' ; close STDIN ; |
599cee73 |
250 | 1 x 3 ; # OP_REPEAT |
251 | # OP_GVSV |
252 | wantarray ; # OP_WANTARRAY |
253 | # OP_GV |
254 | # OP_PADSV |
255 | # OP_PADAV |
256 | # OP_PADHV |
257 | # OP_PADANY |
258 | # OP_AV2ARYLEN |
259 | ref ; # OP_REF |
260 | \@a ; # OP_REFGEN |
261 | \$a ; # OP_SREFGEN |
262 | defined $a ; # OP_DEFINED |
263 | hex $a ; # OP_HEX |
264 | oct $a ; # OP_OCT |
265 | length $a ; # OP_LENGTH |
266 | substr $a,1 ; # OP_SUBSTR |
267 | vec $a,1,2 ; # OP_VEC |
268 | index $a,1,2 ; # OP_INDEX |
269 | rindex $a,1,2 ; # OP_RINDEX |
270 | sprintf $a ; # OP_SPRINTF |
271 | $a[0] ; # OP_AELEM |
272 | # OP_AELEMFAST |
273 | @a[0] ; # OP_ASLICE |
274 | #values %a ; # OP_VALUES |
275 | #keys %a ; # OP_KEYS |
276 | $a{0} ; # OP_HELEM |
277 | @a{0} ; # OP_HSLICE |
278 | unpack "a", "a" ; # OP_UNPACK |
279 | pack $a,"" ; # OP_PACK |
280 | join "" ; # OP_JOIN |
281 | (@a)[0,1] ; # OP_LSLICE |
282 | # OP_ANONLIST |
283 | # OP_ANONHASH |
284 | sort(1,2) ; # OP_SORT |
285 | reverse(1,2) ; # OP_REVERSE |
286 | # OP_RANGE |
287 | # OP_FLIP |
288 | (1 ..2) ; # OP_FLOP |
289 | caller ; # OP_CALLER |
290 | fileno STDIN ; # OP_FILENO |
291 | eof STDIN ; # OP_EOF |
292 | tell STDIN ; # OP_TELL |
293 | readlink 1; # OP_READLINK |
294 | time ; # OP_TIME |
295 | localtime ; # OP_LOCALTIME |
296 | gmtime ; # OP_GMTIME |
dfe13c55 |
297 | eval { getgrnam 1 }; # OP_GGRNAM |
298 | eval { getgrgid 1 }; # OP_GGRGID |
299 | eval { getpwnam 1 }; # OP_GPWNAM |
300 | eval { getpwuid 1 }; # OP_GPWUID |
599cee73 |
301 | EXPECT |
42d38218 |
302 | Useless use of repeat (x) in void context at - line 3. |
599cee73 |
303 | Useless use of wantarray in void context at - line 5. |
304 | Useless use of reference-type operator in void context at - line 12. |
305 | Useless use of reference constructor in void context at - line 13. |
d6c467eb |
306 | Useless use of single ref constructor in void context at - line 14. |
599cee73 |
307 | Useless use of defined operator in void context at - line 15. |
308 | Useless use of hex in void context at - line 16. |
309 | Useless use of oct in void context at - line 17. |
310 | Useless use of length in void context at - line 18. |
311 | Useless use of substr in void context at - line 19. |
312 | Useless use of vec in void context at - line 20. |
313 | Useless use of index in void context at - line 21. |
314 | Useless use of rindex in void context at - line 22. |
315 | Useless use of sprintf in void context at - line 23. |
316 | Useless use of array element in void context at - line 24. |
317 | Useless use of array slice in void context at - line 26. |
f1612b5c |
318 | Useless use of hash element in void context at - line 29. |
599cee73 |
319 | Useless use of hash slice in void context at - line 30. |
320 | Useless use of unpack in void context at - line 31. |
321 | Useless use of pack in void context at - line 32. |
297b36dc |
322 | Useless use of join or string in void context at - line 33. |
599cee73 |
323 | Useless use of list slice in void context at - line 34. |
324 | Useless use of sort in void context at - line 37. |
325 | Useless use of reverse in void context at - line 38. |
326 | Useless use of range (or flop) in void context at - line 41. |
327 | Useless use of caller in void context at - line 42. |
328 | Useless use of fileno in void context at - line 43. |
329 | Useless use of eof in void context at - line 44. |
330 | Useless use of tell in void context at - line 45. |
331 | Useless use of readlink in void context at - line 46. |
332 | Useless use of time in void context at - line 47. |
333 | Useless use of localtime in void context at - line 48. |
334 | Useless use of gmtime in void context at - line 49. |
335 | Useless use of getgrnam in void context at - line 50. |
336 | Useless use of getgrgid in void context at - line 51. |
337 | Useless use of getpwnam in void context at - line 52. |
338 | Useless use of getpwuid in void context at - line 53. |
339 | ######## |
340 | # op.c |
a801c63c |
341 | use warnings 'void' ; close STDIN ; |
342 | my $x = sort (2,1,3); |
343 | no warnings 'void' ; |
344 | $x = sort (2,1,3); |
345 | EXPECT |
346 | Useless use of sort in scalar context at - line 3. |
347 | ######## |
348 | # op.c |
4438c4b7 |
349 | no warnings 'void' ; close STDIN ; |
0453d815 |
350 | 1 x 3 ; # OP_REPEAT |
351 | # OP_GVSV |
352 | wantarray ; # OP_WANTARRAY |
353 | # OP_GV |
354 | # OP_PADSV |
355 | # OP_PADAV |
356 | # OP_PADHV |
357 | # OP_PADANY |
358 | # OP_AV2ARYLEN |
359 | ref ; # OP_REF |
360 | \@a ; # OP_REFGEN |
361 | \$a ; # OP_SREFGEN |
362 | defined $a ; # OP_DEFINED |
363 | hex $a ; # OP_HEX |
364 | oct $a ; # OP_OCT |
365 | length $a ; # OP_LENGTH |
366 | substr $a,1 ; # OP_SUBSTR |
367 | vec $a,1,2 ; # OP_VEC |
368 | index $a,1,2 ; # OP_INDEX |
369 | rindex $a,1,2 ; # OP_RINDEX |
370 | sprintf $a ; # OP_SPRINTF |
371 | $a[0] ; # OP_AELEM |
372 | # OP_AELEMFAST |
373 | @a[0] ; # OP_ASLICE |
374 | #values %a ; # OP_VALUES |
375 | #keys %a ; # OP_KEYS |
376 | $a{0} ; # OP_HELEM |
377 | @a{0} ; # OP_HSLICE |
378 | unpack "a", "a" ; # OP_UNPACK |
379 | pack $a,"" ; # OP_PACK |
380 | join "" ; # OP_JOIN |
381 | (@a)[0,1] ; # OP_LSLICE |
382 | # OP_ANONLIST |
383 | # OP_ANONHASH |
384 | sort(1,2) ; # OP_SORT |
385 | reverse(1,2) ; # OP_REVERSE |
386 | # OP_RANGE |
387 | # OP_FLIP |
388 | (1 ..2) ; # OP_FLOP |
389 | caller ; # OP_CALLER |
390 | fileno STDIN ; # OP_FILENO |
391 | eof STDIN ; # OP_EOF |
392 | tell STDIN ; # OP_TELL |
393 | readlink 1; # OP_READLINK |
394 | time ; # OP_TIME |
395 | localtime ; # OP_LOCALTIME |
396 | gmtime ; # OP_GMTIME |
397 | eval { getgrnam 1 }; # OP_GGRNAM |
398 | eval { getgrgid 1 }; # OP_GGRGID |
399 | eval { getpwnam 1 }; # OP_GPWNAM |
400 | eval { getpwuid 1 }; # OP_GPWUID |
401 | EXPECT |
402 | ######## |
403 | # op.c |
4438c4b7 |
404 | use warnings 'void' ; |
68c73484 |
405 | for (@{[0]}) { "$_" } # check warning isn't duplicated |
4438c4b7 |
406 | no warnings 'void' ; |
0453d815 |
407 | for (@{[0]}) { "$_" } # check warning isn't duplicated |
68c73484 |
408 | EXPECT |
409 | Useless use of string in void context at - line 3. |
410 | ######## |
411 | # op.c |
4438c4b7 |
412 | use warnings 'void' ; |
599cee73 |
413 | use Config ; |
414 | BEGIN { |
415 | if ( ! $Config{d_telldir}) { |
416 | print <<EOM ; |
417 | SKIPPED |
418 | # telldir not present |
419 | EOM |
420 | exit |
421 | } |
422 | } |
423 | telldir 1 ; # OP_TELLDIR |
4438c4b7 |
424 | no warnings 'void' ; |
0453d815 |
425 | telldir 1 ; # OP_TELLDIR |
599cee73 |
426 | EXPECT |
427 | Useless use of telldir in void context at - line 13. |
428 | ######## |
429 | # op.c |
4438c4b7 |
430 | use warnings 'void' ; |
599cee73 |
431 | use Config ; |
432 | BEGIN { |
433 | if ( ! $Config{d_getppid}) { |
434 | print <<EOM ; |
435 | SKIPPED |
436 | # getppid not present |
437 | EOM |
438 | exit |
439 | } |
440 | } |
441 | getppid ; # OP_GETPPID |
4438c4b7 |
442 | no warnings 'void' ; |
0453d815 |
443 | getppid ; # OP_GETPPID |
599cee73 |
444 | EXPECT |
445 | Useless use of getppid in void context at - line 13. |
446 | ######## |
447 | # op.c |
4438c4b7 |
448 | use warnings 'void' ; |
599cee73 |
449 | use Config ; |
450 | BEGIN { |
451 | if ( ! $Config{d_getpgrp}) { |
452 | print <<EOM ; |
453 | SKIPPED |
454 | # getpgrp not present |
455 | EOM |
456 | exit |
457 | } |
458 | } |
459 | getpgrp ; # OP_GETPGRP |
4438c4b7 |
460 | no warnings 'void' ; |
0453d815 |
461 | getpgrp ; # OP_GETPGRP |
599cee73 |
462 | EXPECT |
463 | Useless use of getpgrp in void context at - line 13. |
464 | ######## |
465 | # op.c |
4438c4b7 |
466 | use warnings 'void' ; |
599cee73 |
467 | use Config ; |
468 | BEGIN { |
469 | if ( ! $Config{d_times}) { |
470 | print <<EOM ; |
471 | SKIPPED |
472 | # times not present |
473 | EOM |
474 | exit |
475 | } |
476 | } |
477 | times ; # OP_TMS |
4438c4b7 |
478 | no warnings 'void' ; |
0453d815 |
479 | times ; # OP_TMS |
599cee73 |
480 | EXPECT |
481 | Useless use of times in void context at - line 13. |
482 | ######## |
483 | # op.c |
4438c4b7 |
484 | use warnings 'void' ; |
599cee73 |
485 | use Config ; |
486 | BEGIN { |
e96326af |
487 | if ( ! $Config{d_getprior} or $^O eq 'os2') { # Locks before fixpak22 |
599cee73 |
488 | print <<EOM ; |
489 | SKIPPED |
490 | # getpriority not present |
491 | EOM |
492 | exit |
493 | } |
494 | } |
495 | getpriority 1,2; # OP_GETPRIORITY |
4438c4b7 |
496 | no warnings 'void' ; |
0453d815 |
497 | getpriority 1,2; # OP_GETPRIORITY |
599cee73 |
498 | EXPECT |
499 | Useless use of getpriority in void context at - line 13. |
500 | ######## |
501 | # op.c |
4438c4b7 |
502 | use warnings 'void' ; |
599cee73 |
503 | use Config ; |
504 | BEGIN { |
505 | if ( ! $Config{d_getlogin}) { |
506 | print <<EOM ; |
507 | SKIPPED |
508 | # getlogin not present |
509 | EOM |
510 | exit |
511 | } |
512 | } |
513 | getlogin ; # OP_GETLOGIN |
4438c4b7 |
514 | no warnings 'void' ; |
0453d815 |
515 | getlogin ; # OP_GETLOGIN |
599cee73 |
516 | EXPECT |
517 | Useless use of getlogin in void context at - line 13. |
518 | ######## |
519 | # op.c |
4438c4b7 |
520 | use warnings 'void' ; |
599cee73 |
521 | use Config ; BEGIN { |
522 | if ( ! $Config{d_socket}) { |
523 | print <<EOM ; |
524 | SKIPPED |
525 | # getsockname not present |
526 | # getpeername not present |
527 | # gethostbyname not present |
528 | # gethostbyaddr not present |
529 | # gethostent not present |
530 | # getnetbyname not present |
531 | # getnetbyaddr not present |
532 | # getnetent not present |
533 | # getprotobyname not present |
534 | # getprotobynumber not present |
535 | # getprotoent not present |
536 | # getservbyname not present |
537 | # getservbyport not present |
538 | # getservent not present |
539 | EOM |
540 | exit |
541 | } } |
542 | getsockname STDIN ; # OP_GETSOCKNAME |
543 | getpeername STDIN ; # OP_GETPEERNAME |
544 | gethostbyname 1 ; # OP_GHBYNAME |
545 | gethostbyaddr 1,2; # OP_GHBYADDR |
546 | gethostent ; # OP_GHOSTENT |
547 | getnetbyname 1 ; # OP_GNBYNAME |
548 | getnetbyaddr 1,2 ; # OP_GNBYADDR |
549 | getnetent ; # OP_GNETENT |
550 | getprotobyname 1; # OP_GPBYNAME |
551 | getprotobynumber 1; # OP_GPBYNUMBER |
552 | getprotoent ; # OP_GPROTOENT |
553 | getservbyname 1,2; # OP_GSBYNAME |
554 | getservbyport 1,2; # OP_GSBYPORT |
555 | getservent ; # OP_GSERVENT |
0453d815 |
556 | |
4438c4b7 |
557 | no warnings 'void' ; |
0453d815 |
558 | getsockname STDIN ; # OP_GETSOCKNAME |
559 | getpeername STDIN ; # OP_GETPEERNAME |
560 | gethostbyname 1 ; # OP_GHBYNAME |
561 | gethostbyaddr 1,2; # OP_GHBYADDR |
562 | gethostent ; # OP_GHOSTENT |
563 | getnetbyname 1 ; # OP_GNBYNAME |
564 | getnetbyaddr 1,2 ; # OP_GNBYADDR |
565 | getnetent ; # OP_GNETENT |
566 | getprotobyname 1; # OP_GPBYNAME |
567 | getprotobynumber 1; # OP_GPBYNUMBER |
568 | getprotoent ; # OP_GPROTOENT |
569 | getservbyname 1,2; # OP_GSBYNAME |
570 | getservbyport 1,2; # OP_GSBYPORT |
571 | getservent ; # OP_GSERVENT |
dfe13c55 |
572 | INIT { |
573 | # some functions may not be there, so we exit without running |
574 | exit; |
575 | } |
599cee73 |
576 | EXPECT |
577 | Useless use of getsockname in void context at - line 24. |
578 | Useless use of getpeername in void context at - line 25. |
579 | Useless use of gethostbyname in void context at - line 26. |
580 | Useless use of gethostbyaddr in void context at - line 27. |
581 | Useless use of gethostent in void context at - line 28. |
582 | Useless use of getnetbyname in void context at - line 29. |
583 | Useless use of getnetbyaddr in void context at - line 30. |
584 | Useless use of getnetent in void context at - line 31. |
585 | Useless use of getprotobyname in void context at - line 32. |
586 | Useless use of getprotobynumber in void context at - line 33. |
587 | Useless use of getprotoent in void context at - line 34. |
588 | Useless use of getservbyname in void context at - line 35. |
589 | Useless use of getservbyport in void context at - line 36. |
590 | Useless use of getservent in void context at - line 37. |
591 | ######## |
592 | # op.c |
4438c4b7 |
593 | use warnings 'void' ; |
599cee73 |
594 | *a ; # OP_RV2GV |
595 | $a ; # OP_RV2SV |
596 | @a ; # OP_RV2AV |
597 | %a ; # OP_RV2HV |
4438c4b7 |
598 | no warnings 'void' ; |
0453d815 |
599 | *a ; # OP_RV2GV |
600 | $a ; # OP_RV2SV |
601 | @a ; # OP_RV2AV |
602 | %a ; # OP_RV2HV |
599cee73 |
603 | EXPECT |
604 | Useless use of a variable in void context at - line 3. |
605 | Useless use of a variable in void context at - line 4. |
606 | Useless use of a variable in void context at - line 5. |
607 | Useless use of a variable in void context at - line 6. |
608 | ######## |
609 | # op.c |
4438c4b7 |
610 | use warnings 'void' ; |
599cee73 |
611 | "abc"; # OP_CONST |
612 | 7 ; # OP_CONST |
4438c4b7 |
613 | no warnings 'void' ; |
0453d815 |
614 | "abc"; # OP_CONST |
615 | 7 ; # OP_CONST |
599cee73 |
616 | EXPECT |
617 | Useless use of a constant in void context at - line 3. |
618 | Useless use of a constant in void context at - line 4. |
619 | ######## |
620 | # op.c |
7f01dc7a |
621 | # |
e476b1b5 |
622 | use warnings 'misc' ; |
599cee73 |
623 | my $a ; my @a = () ; my %a = () ; my $b = \@a ; my $c = \%a ; |
624 | @a =~ /abc/ ; |
625 | @a =~ s/a/b/ ; |
626 | @a =~ tr/a/b/ ; |
627 | @$b =~ /abc/ ; |
628 | @$b =~ s/a/b/ ; |
629 | @$b =~ tr/a/b/ ; |
630 | %a =~ /abc/ ; |
631 | %a =~ s/a/b/ ; |
632 | %a =~ tr/a/b/ ; |
633 | %$c =~ /abc/ ; |
634 | %$c =~ s/a/b/ ; |
635 | %$c =~ tr/a/b/ ; |
0453d815 |
636 | { |
e476b1b5 |
637 | no warnings 'misc' ; |
0453d815 |
638 | my $a ; my @a = () ; my %a = () ; my $b = \@a ; my $c = \%a ; |
639 | @a =~ /abc/ ; |
640 | @a =~ s/a/b/ ; |
641 | @a =~ tr/a/b/ ; |
642 | @$b =~ /abc/ ; |
643 | @$b =~ s/a/b/ ; |
644 | @$b =~ tr/a/b/ ; |
645 | %a =~ /abc/ ; |
646 | %a =~ s/a/b/ ; |
647 | %a =~ tr/a/b/ ; |
648 | %$c =~ /abc/ ; |
649 | %$c =~ s/a/b/ ; |
650 | %$c =~ tr/a/b/ ; |
651 | } |
599cee73 |
652 | EXPECT |
42d38218 |
653 | Applying pattern match (m//) to @array will act on scalar(@array) at - line 5. |
654 | Applying substitution (s///) to @array will act on scalar(@array) at - line 6. |
f1612b5c |
655 | Applying transliteration (tr///) to @array will act on scalar(@array) at - line 7. |
42d38218 |
656 | Applying pattern match (m//) to @array will act on scalar(@array) at - line 8. |
657 | Applying substitution (s///) to @array will act on scalar(@array) at - line 9. |
f1612b5c |
658 | Applying transliteration (tr///) to @array will act on scalar(@array) at - line 10. |
42d38218 |
659 | Applying pattern match (m//) to %hash will act on scalar(%hash) at - line 11. |
660 | Applying substitution (s///) to %hash will act on scalar(%hash) at - line 12. |
f1612b5c |
661 | Applying transliteration (tr///) to %hash will act on scalar(%hash) at - line 13. |
42d38218 |
662 | Applying pattern match (m//) to %hash will act on scalar(%hash) at - line 14. |
663 | Applying substitution (s///) to %hash will act on scalar(%hash) at - line 15. |
f1612b5c |
664 | Applying transliteration (tr///) to %hash will act on scalar(%hash) at - line 16. |
24944567 |
665 | Can't modify private array in substitution (s///) at - line 6, near "s/a/b/ ;" |
f248d071 |
666 | BEGIN not safe after errors--compilation aborted at - line 18. |
599cee73 |
667 | ######## |
668 | # op.c |
4438c4b7 |
669 | use warnings 'syntax' ; |
599cee73 |
670 | my $a, $b = (1,2); |
4438c4b7 |
671 | no warnings 'syntax' ; |
0453d815 |
672 | my $c, $d = (1,2); |
599cee73 |
673 | EXPECT |
df5b6949 |
674 | Parentheses missing around "my" list at - line 3. |
599cee73 |
675 | ######## |
676 | # op.c |
4438c4b7 |
677 | use warnings 'syntax' ; |
599cee73 |
678 | local $a, $b = (1,2); |
4438c4b7 |
679 | no warnings 'syntax' ; |
0453d815 |
680 | local $c, $d = (1,2); |
599cee73 |
681 | EXPECT |
df5b6949 |
682 | Parentheses missing around "local" list at - line 3. |
599cee73 |
683 | ######## |
684 | # op.c |
e476b1b5 |
685 | use warnings 'bareword' ; |
599cee73 |
686 | print (ABC || 1) ; |
e476b1b5 |
687 | no warnings 'bareword' ; |
0453d815 |
688 | print (ABC || 1) ; |
599cee73 |
689 | EXPECT |
34d09196 |
690 | Bareword found in conditional at - line 3. |
599cee73 |
691 | ######## |
692 | --FILE-- abc |
693 | |
694 | --FILE-- |
695 | # op.c |
e476b1b5 |
696 | use warnings 'misc' ; |
599cee73 |
697 | open FH, "<abc" ; |
698 | $x = 1 if $x = <FH> ; |
e476b1b5 |
699 | no warnings 'misc' ; |
0453d815 |
700 | $x = 1 if $x = <FH> ; |
599cee73 |
701 | EXPECT |
702 | Value of <HANDLE> construct can be "0"; test with defined() at - line 4. |
703 | ######## |
704 | # op.c |
e476b1b5 |
705 | use warnings 'misc' ; |
599cee73 |
706 | opendir FH, "." ; |
707 | $x = 1 if $x = readdir FH ; |
e476b1b5 |
708 | no warnings 'misc' ; |
0453d815 |
709 | $x = 1 if $x = readdir FH ; |
599cee73 |
710 | closedir FH ; |
711 | EXPECT |
712 | Value of readdir() operator can be "0"; test with defined() at - line 4. |
713 | ######## |
714 | # op.c |
e476b1b5 |
715 | use warnings 'misc' ; |
599cee73 |
716 | $x = 1 if $x = <*> ; |
e476b1b5 |
717 | no warnings 'misc' ; |
0453d815 |
718 | $x = 1 if $x = <*> ; |
599cee73 |
719 | EXPECT |
720 | Value of glob construct can be "0"; test with defined() at - line 3. |
721 | ######## |
722 | # op.c |
e476b1b5 |
723 | use warnings 'misc' ; |
599cee73 |
724 | %a = (1,2,3,4) ; |
725 | $x = 1 if $x = each %a ; |
e476b1b5 |
726 | no warnings 'misc' ; |
0453d815 |
727 | $x = 1 if $x = each %a ; |
599cee73 |
728 | EXPECT |
729 | Value of each() operator can be "0"; test with defined() at - line 4. |
730 | ######## |
731 | # op.c |
e476b1b5 |
732 | use warnings 'misc' ; |
599cee73 |
733 | $x = 1 while $x = <*> and 0 ; |
e476b1b5 |
734 | no warnings 'misc' ; |
0453d815 |
735 | $x = 1 while $x = <*> and 0 ; |
599cee73 |
736 | EXPECT |
737 | Value of glob construct can be "0"; test with defined() at - line 3. |
738 | ######## |
739 | # op.c |
e476b1b5 |
740 | use warnings 'misc' ; |
599cee73 |
741 | opendir FH, "." ; |
742 | $x = 1 while $x = readdir FH and 0 ; |
e476b1b5 |
743 | no warnings 'misc' ; |
0453d815 |
744 | $x = 1 while $x = readdir FH and 0 ; |
599cee73 |
745 | closedir FH ; |
746 | EXPECT |
747 | Value of readdir() operator can be "0"; test with defined() at - line 4. |
748 | ######## |
749 | # op.c |
4438c4b7 |
750 | use warnings 'redefine' ; |
599cee73 |
751 | sub fred {} |
752 | sub fred {} |
4438c4b7 |
753 | no warnings 'redefine' ; |
0453d815 |
754 | sub fred {} |
599cee73 |
755 | EXPECT |
756 | Subroutine fred redefined at - line 4. |
757 | ######## |
758 | # op.c |
4438c4b7 |
759 | use warnings 'redefine' ; |
599cee73 |
760 | sub fred () { 1 } |
761 | sub fred () { 1 } |
4438c4b7 |
762 | no warnings 'redefine' ; |
0453d815 |
763 | sub fred () { 1 } |
599cee73 |
764 | EXPECT |
765 | Constant subroutine fred redefined at - line 4. |
766 | ######## |
767 | # op.c |
036b4402 |
768 | no warnings 'redefine' ; |
769 | sub fred () { 1 } |
770 | sub fred () { 2 } |
771 | EXPECT |
772 | Constant subroutine fred redefined at - line 4. |
773 | ######## |
774 | # op.c |
775 | no warnings 'redefine' ; |
776 | sub fred () { 1 } |
777 | *fred = sub () { 2 }; |
778 | EXPECT |
910764e6 |
779 | Constant subroutine main::fred redefined at - line 4. |
036b4402 |
780 | ######## |
781 | # op.c |
4438c4b7 |
782 | use warnings 'redefine' ; |
599cee73 |
783 | format FRED = |
784 | . |
785 | format FRED = |
786 | . |
4438c4b7 |
787 | no warnings 'redefine' ; |
0453d815 |
788 | format FRED = |
789 | . |
599cee73 |
790 | EXPECT |
791 | Format FRED redefined at - line 5. |
792 | ######## |
793 | # op.c |
e476b1b5 |
794 | use warnings 'deprecated' ; |
599cee73 |
795 | push FRED; |
e476b1b5 |
796 | no warnings 'deprecated' ; |
0453d815 |
797 | push FRED; |
599cee73 |
798 | EXPECT |
799 | Array @FRED missing the @ in argument 1 of push() at - line 3. |
800 | ######## |
801 | # op.c |
e476b1b5 |
802 | use warnings 'deprecated' ; |
599cee73 |
803 | @a = keys FRED ; |
e476b1b5 |
804 | no warnings 'deprecated' ; |
0453d815 |
805 | @a = keys FRED ; |
599cee73 |
806 | EXPECT |
807 | Hash %FRED missing the % in argument 1 of keys() at - line 3. |
808 | ######## |
809 | # op.c |
e69a2255 |
810 | BEGIN { |
811 | if ($^O eq 'MacOS') { |
812 | print <<EOM; |
813 | SKIPPED |
814 | # no exec on Mac OS |
815 | EOM |
816 | exit; |
817 | } |
818 | } |
4438c4b7 |
819 | use warnings 'syntax' ; |
dfe13c55 |
820 | exec "$^X -e 1" ; |
599cee73 |
821 | my $a |
822 | EXPECT |
16398b42 |
823 | Statement unlikely to be reached at - line 13. |
cc507455 |
824 | (Maybe you meant system() when you said exec()?) |
69794302 |
825 | ######## |
826 | # op.c |
4438c4b7 |
827 | use warnings 'deprecated' ; |
69794302 |
828 | my @a; defined(@a); |
829 | EXPECT |
f10b0346 |
830 | defined(@array) is deprecated at - line 3. |
cc507455 |
831 | (Maybe you should just omit the defined()?) |
69794302 |
832 | ######## |
833 | # op.c |
4438c4b7 |
834 | use warnings 'deprecated' ; |
69794302 |
835 | defined(@a = (1,2,3)); |
836 | EXPECT |
f10b0346 |
837 | defined(@array) is deprecated at - line 3. |
cc507455 |
838 | (Maybe you should just omit the defined()?) |
69794302 |
839 | ######## |
840 | # op.c |
4438c4b7 |
841 | use warnings 'deprecated' ; |
69794302 |
842 | my %h; defined(%h); |
843 | EXPECT |
f10b0346 |
844 | defined(%hash) is deprecated at - line 3. |
cc507455 |
845 | (Maybe you should just omit the defined()?) |
0453d815 |
846 | ######## |
847 | # op.c |
e69a2255 |
848 | BEGIN { |
849 | if ($^O eq 'MacOS') { |
850 | print <<EOM; |
851 | SKIPPED |
852 | # no exec on Mac OS |
853 | EOM |
854 | exit; |
855 | } |
856 | } |
4438c4b7 |
857 | no warnings 'syntax' ; |
0453d815 |
858 | exec "$^X -e 1" ; |
859 | my $a |
860 | EXPECT |
861 | |
862 | ######## |
863 | # op.c |
864 | sub fred(); |
865 | sub fred($) {} |
866 | EXPECT |
867 | Prototype mismatch: sub main::fred () vs ($) at - line 3. |
868 | ######## |
869 | # op.c |
870 | $^W = 0 ; |
871 | sub fred() ; |
872 | sub fred($) {} |
873 | { |
e476b1b5 |
874 | no warnings 'prototype' ; |
0453d815 |
875 | sub Fred() ; |
876 | sub Fred($) {} |
e476b1b5 |
877 | use warnings 'prototype' ; |
0453d815 |
878 | sub freD() ; |
879 | sub freD($) {} |
880 | } |
881 | sub FRED() ; |
882 | sub FRED($) {} |
883 | EXPECT |
884 | Prototype mismatch: sub main::fred () vs ($) at - line 4. |
885 | Prototype mismatch: sub main::freD () vs ($) at - line 11. |
886 | Prototype mismatch: sub main::FRED () vs ($) at - line 14. |
eb6e2d6f |
887 | ######## |
888 | # op.c |
889 | use warnings 'syntax' ; |
890 | join /---/, 'x', 'y', 'z'; |
891 | EXPECT |
892 | /---/ should probably be written as "---" at - line 3. |
767a6a26 |
893 | ######## |
894 | # op.c [Perl_peep] |
e476b1b5 |
895 | use warnings 'prototype' ; |
767a6a26 |
896 | fred() ; |
897 | sub fred ($$) {} |
e476b1b5 |
898 | no warnings 'prototype' ; |
767a6a26 |
899 | joe() ; |
900 | sub joe ($$) {} |
901 | EXPECT |
902 | main::fred() called too early to check prototype at - line 3. |
ddda08b7 |
903 | ######## |
904 | # op.c [Perl_newATTRSUB] |
905 | --FILE-- abc.pm |
906 | use warnings 'void' ; |
907 | BEGIN { $| = 1; print "in begin\n"; } |
908 | CHECK { print "in check\n"; } |
909 | INIT { print "in init\n"; } |
910 | END { print "in end\n"; } |
911 | print "in mainline\n"; |
912 | 1; |
913 | --FILE-- |
914 | use abc; |
915 | delete $INC{"abc.pm"}; |
916 | require abc; |
917 | do "abc.pm"; |
918 | EXPECT |
919 | in begin |
920 | in mainline |
921 | in check |
922 | in init |
923 | in begin |
924 | Too late to run CHECK block at abc.pm line 3. |
925 | Too late to run INIT block at abc.pm line 4. |
926 | in mainline |
927 | in begin |
928 | Too late to run CHECK block at abc.pm line 3. |
929 | Too late to run INIT block at abc.pm line 4. |
930 | in mainline |
931 | in end |
932 | in end |
933 | in end |
934 | ######## |
935 | # op.c [Perl_newATTRSUB] |
936 | --FILE-- abc.pm |
937 | no warnings 'void' ; |
938 | BEGIN { $| = 1; print "in begin\n"; } |
939 | CHECK { print "in check\n"; } |
940 | INIT { print "in init\n"; } |
941 | END { print "in end\n"; } |
942 | print "in mainline\n"; |
943 | 1; |
944 | --FILE-- |
945 | require abc; |
946 | do "abc.pm"; |
947 | EXPECT |
948 | in begin |
949 | in mainline |
950 | in begin |
951 | in mainline |
952 | in end |
953 | in end |
936edb8b |
954 | ######## |
955 | # op.c |
956 | my @x; |
f87c3213 |
957 | use warnings 'syntax' ; |
936edb8b |
958 | push(@x); |
959 | unshift(@x); |
f87c3213 |
960 | no warnings 'syntax' ; |
936edb8b |
961 | push(@x); |
962 | unshift(@x); |
963 | EXPECT |
de4864e4 |
964 | Useless use of push with no values at - line 4. |
965 | Useless use of unshift with no values at - line 5. |
a27978d3 |
966 | ######## |
967 | # op.c |
f34840d8 |
968 | # 20020401 mjd@plover.com at suggestion of jfriedl@yahoo.com |
969 | use warnings 'regexp'; |
970 | split /blah/g, "blah"; |
971 | no warnings 'regexp'; |
972 | split /blah/g, "blah"; |
973 | EXPECT |
974 | Use of /g modifier is meaningless in split at - line 4. |
276b2a0c |
975 | ######## |
976 | # op.c |
977 | use warnings 'precedence'; |
978 | $a = $b & $c == $d; |
979 | $a = $b ^ $c != $d; |
980 | $a = $b | $c > $d; |
981 | $a = $b < $c & $d; |
982 | $a = $b >= $c ^ $d; |
983 | $a = $b <= $c | $d; |
984 | $a = $b <=> $c & $d; |
985 | no warnings 'precedence'; |
986 | $a = $b & $c == $d; |
987 | $a = $b ^ $c != $d; |
988 | $a = $b | $c > $d; |
989 | $a = $b < $c & $d; |
990 | $a = $b >= $c ^ $d; |
991 | $a = $b <= $c | $d; |
992 | $a = $b <=> $c & $d; |
993 | EXPECT |
994 | Possible precedence problem on bitwise & operator at - line 3. |
995 | Possible precedence problem on bitwise ^ operator at - line 4. |
996 | Possible precedence problem on bitwise | operator at - line 5. |
997 | Possible precedence problem on bitwise & operator at - line 6. |
998 | Possible precedence problem on bitwise ^ operator at - line 7. |
999 | Possible precedence problem on bitwise | operator at - line 8. |
1000 | Possible precedence problem on bitwise & operator at - line 9. |
1001 | ######## |
1002 | # op.c |
1003 | use integer; |
1004 | use warnings 'precedence'; |
1005 | $a = $b & $c == $d; |
1006 | $a = $b ^ $c != $d; |
1007 | $a = $b | $c > $d; |
1008 | $a = $b < $c & $d; |
1009 | $a = $b >= $c ^ $d; |
1010 | $a = $b <= $c | $d; |
1011 | $a = $b <=> $c & $d; |
1012 | no warnings 'precedence'; |
1013 | $a = $b & $c == $d; |
1014 | $a = $b ^ $c != $d; |
1015 | $a = $b | $c > $d; |
1016 | $a = $b < $c & $d; |
1017 | $a = $b >= $c ^ $d; |
1018 | $a = $b <= $c | $d; |
1019 | $a = $b <=> $c & $d; |
1020 | EXPECT |
1021 | Possible precedence problem on bitwise & operator at - line 4. |
1022 | Possible precedence problem on bitwise ^ operator at - line 5. |
1023 | Possible precedence problem on bitwise | operator at - line 6. |
1024 | Possible precedence problem on bitwise & operator at - line 7. |
1025 | Possible precedence problem on bitwise ^ operator at - line 8. |
1026 | Possible precedence problem on bitwise | operator at - line 9. |
1027 | Possible precedence problem on bitwise & operator at - line 10. |