diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/tr-warn3.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/cpp/tr-warn3.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/tr-warn3.c b/gcc/testsuite/gcc.dg/cpp/tr-warn3.c new file mode 100644 index 000000000..33517188c --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/tr-warn3.c @@ -0,0 +1,61 @@ +/* Test for warnings about nontraditional directives inside the unused + clauses of #if statements. Extensions do _not_ receive pedantic + warnings inside unused clauses because they are often hidden this + way on purpose. However they do still require indentation for K&R. */ +/* { dg-do preprocess } */ +/* { dg-options "-pedantic -Wtraditional" } */ + +#if 1 + +/* Block 1: K+R directives should have the # indented to warn. */ + +#define foo bar /* { dg-bogus "indented" "^#kandr" } */ +# define foo bar /* { dg-bogus "indented" "^# kandr" } */ + #define foo bar /* { dg-warning "indented" "^ #kandr" } */ + # define foo bar /* { dg-warning "indented" "^ # kandr" } */ + +/* Block 2: C89 directives should not have the # indented to warn. */ + +#pragma whatever /* { dg-warning "indented" "^#c89" } */ +# pragma whatever /* { dg-warning "indented" "^# c89" } */ + #pragma whatever /* { dg-bogus "indented" "^ #c89" } */ + # pragma whatever /* { dg-bogus "indented" "^ # c89" } */ + +/* Block 3: Extensions should not have the # indented to warn, _and_ + they should get a -pedantic warning. */ + +#assert foo(bar) /* { dg-warning "indented" "^#ext" } */ +# assert bar(baz) /* { dg-warning "indented" "^# ext" } */ + #assert baz(quux) /* { dg-bogus "indented" "^ #ext" } */ + # assert quux(weeble) /* { dg-bogus "indented" "^ # ext" } */ + +#else + +/* Block 1: K+R directives should have the # indented to warn. */ + +#undef foo bar /* { dg-bogus "indented" "^#kandr" } */ +# undef foo bar /* { dg-bogus "indented" "^# kandr" } */ + #undef foo bar /* { dg-warning "indented" "^ #kandr" } */ + # undef foo bar /* { dg-warning "indented" "^ # kandr" } */ + +/* Block 2: C89 directives should not have the # indented to warn. */ + +#error whatever /* { dg-warning "indented" "^#c89" } */ +# error whatever /* { dg-warning "indented" "^# c89" } */ + #error whatever /* { dg-bogus "indented" "^ #c89" } */ + # error whatever /* { dg-bogus "indented" "^ # c89" } */ + +/* Block 3: Extensions should not have the # indented to warn, and + they should _not_ get a -pedantic warning. */ + +#unassert foo(bar) /* { dg-warning "indented" "^#ext" } */ +# unassert bar(baz) /* { dg-warning "indented" "^# ext" } */ + #unassert baz(quux) /* { dg-bogus "indented" "^ #ext" } */ + # unassert quux(weeble) /* { dg-bogus "indented" "^ # ext" } */ + +#endif + +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 27 } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 28 } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 29 } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 30 } */ |