Mercurial > hg > CbC > CbC_gcc
diff gcc/testsuite/gcc.dg/cpp/tr-warn3.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/cpp/tr-warn3.c Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,60 @@ +/* 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" } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } .-1 } */ +# assert bar(baz) /* { dg-warning "indented" "^# ext" } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } .-1 } */ + #assert baz(quux) /* { dg-bogus "indented" "^ #ext" } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } .-1 } */ + # assert quux(weeble) /* { dg-bogus "indented" "^ # ext" } */ +/* { dg-warning "GCC extension" "extension warning" { target *-*-* } .-1 } */ + +#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