Viewing file:  tr-warn3.c (2.63 KB) -rw-r--r--
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/* 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
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