diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 8 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/testsuite/c-c++-common/Wimplicit-fallthrough-23.c | 112 |
4 files changed, 120 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 353fdba..f547a7b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2016-10-08 Jakub Jelinek <jakub@redhat.com> + * doc/invoke.texi (-Wimplicit-fallthrough): Document FALLTHRU comment + style changes. + * doc/invoke.texi (-Wimplicit-fallthrough): Document the accepted FALLTHRU comment styles. diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index e1a3e5f..65805ba 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4179,11 +4179,13 @@ should match one of the following regular expressions: @item @code{@@fallthrough@@} -@item @code{[ \t]*FALL(S | |-)?THR(OUGH|U)\.?[ \t]*} +@item @code{lint -fallthrough ?} -@item @code{[ \t]*Fall((s | |-)[Tt]|t)hr(ough|u)\.?[ \t]*} +@item @code{[ \t.!]*(ELSE |INTENTIONAL(LY)? )?FALL(S | |-)?THR(OUGH|U)[ \t.!]*(-[^\n\r]*)?} -@item @code{[ \t]*fall(s | |-)?thr(ough|u)\.?[ \t]*} +@item @code{[ \t.!]*(Else |Intentional(ly)? )?Fall((s | |-)[Tt]|t)hr(ough|u)[ \t.!]*(-[^\n\r]*)?} + +@item @code{[ \t.!]*([Ee]lse |[Ii]ntentional(ly)? )?fall(s | |-)?thr(ough|u)[ \t.!]*(-[^\n\r]*)?} @end itemize diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1868c4c..12b9009 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,7 @@ 2016-10-08 Jakub Jelinek <jakub@redhat.com> + * c-c++-common/Wimplicit-fallthrough-23.c (foo): Add further tests. + * c-c++-common/Wimplicit-fallthrough-23.c: New test. * c-c++-common/Wimplicit-fallthrough-24.c: New test. diff --git a/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-23.c b/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-23.c index 137b517..c2988b7 100644 --- a/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-23.c +++ b/gcc/testsuite/c-c++-common/Wimplicit-fallthrough-23.c @@ -21,15 +21,39 @@ foo (int i) case 4: bar (4); break; + case 5: + bar (5); /* { dg-bogus "this statement may \[laf]* through" } */ + /* Else Fall-Thru! */ + case 6: + bar (6); + break; case 7: bar (7); /* { dg-bogus "this statement may \[laf]* through" } */ /* Some comment. */ - /* fallthrough. */ + /* ... fallthrough ... */ /* Some other comment. */ /* And yet another. */ case 8: bar (8); break; + case 9: + bar (9); /* { dg-bogus "this statement may \[laf]* through" } */ + /* Intentional Fallthru */ + case 10: + bar (10); + break; + case 11: + bar (11); /* { dg-bogus "this statement may \[laf]* through" } */ + /* intentionally fall through */ + case 12: + bar (12); + break; + case 13: + bar (13); /* { dg-bogus "this statement may \[laf]* through" } */ + /* Falls Through - for reasons known only to the author. */ + case 14: + bar (14); + break; case 15: bar (15); /* { dg-bogus "this statement may \[laf]* through" } */ /*-fallthrough*/ @@ -42,12 +66,42 @@ foo (int i) case 18: bar (18); break; + case 19: + bar (19); /* { dg-bogus "this statement may \[laf]* through" } */ + /*lint -fallthrough*/ + case 20: + bar (20); + break; + case 21: + bar (21); /* { dg-bogus "this statement may \[laf]* through" } */ + /*lint -fallthrough */ + case 22: + bar (22); + break; case 23: bar (23); /* { dg-bogus "this statement may \[laf]* through" } */ /*fallthru*/ case 24: bar (24); break; + case 25: + bar (25); /* { dg-bogus "this statement may \[laf]* through" } */ + /*Else fallthru*/ + case 26: + bar (26); + break; + case 27: + bar (27); /* { dg-bogus "this statement may \[laf]* through" } */ + /*Intentional fallthru*/ + case 28: + bar (28); + break; + case 29: + bar (29); /* { dg-bogus "this statement may \[laf]* through" } */ + /*Intentionally fallthru*/ + case 30: + bar (30); + break; case 31: bar (31); /* { dg-bogus "this statement may \[laf]* through" } */ /*Falls thru*/ @@ -78,15 +132,39 @@ foo (int i) case 4: bar (4); break; + case 5: + bar (5); /* { dg-bogus "this statement may \[laf]* through" } */ + // Else Fall-Thru! + case 6: + bar (6); + break; case 7: bar (7); /* { dg-bogus "this statement may \[laf]* through" } */ // Some comment. - // fallthrough + // ... fallthrough ... // Some other comment. // And yet another. case 8: bar (8); break; + case 9: + bar (9); /* { dg-bogus "this statement may \[laf]* through" } */ + // Intentional Fallthru + case 10: + bar (10); + break; + case 11: + bar (11); /* { dg-bogus "this statement may \[laf]* through" } */ + // intentionally fall through + case 12: + bar (12); + break; + case 13: + bar (13); /* { dg-bogus "this statement may \[laf]* through" } */ + // Falls Through - for reasons known only to the author. + case 14: + bar (14); + break; case 15: bar (15); /* { dg-bogus "this statement may \[laf]* through" } */ //-fallthrough @@ -99,12 +177,42 @@ foo (int i) case 18: bar (18); break; + case 19: + bar (19); /* { dg-bogus "this statement may \[laf]* through" } */ + //lint -fallthrough + case 20: + bar (20); + break; + case 21: + bar (21); /* { dg-bogus "this statement may \[laf]* through" } */ + //lint -fallthrough + case 22: + bar (22); + break; case 23: bar (23); /* { dg-bogus "this statement may \[laf]* through" } */ //fallthru case 24: bar (24); break; + case 25: + bar (25); /* { dg-bogus "this statement may \[laf]* through" } */ + //Else fallthru + case 26: + bar (26); + break; + case 27: + bar (27); /* { dg-bogus "this statement may \[laf]* through" } */ + //Intentional fallthru + case 28: + bar (28); + break; + case 29: + bar (29); /* { dg-bogus "this statement may \[laf]* through" } */ + //Intentionally fallthru + case 30: + bar (30); + break; case 31: bar (31); /* { dg-bogus "this statement may \[laf]* through" } */ //Falls thru |