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jlechner |
/* Test for warnings about nontraditional directives inside the unused
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clauses of #if statements. Extensions do _not_ receive pedantic
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warnings inside unused clauses because they are often hidden this
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way on purpose. However they do still require indentation for K&R. */
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/* { dg-do preprocess } */
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/* { dg-options "-pedantic -Wtraditional -fno-show-column" } */
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#if 1
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/* Block 1: K+R directives should have the # indented to warn. */
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#define foo bar /* { dg-bogus "indented" "^#kandr" } */
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# define foo bar /* { dg-bogus "indented" "^# kandr" } */
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#define foo bar /* { dg-warning "indented" "^ #kandr" } */
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# define foo bar /* { dg-warning "indented" "^ # kandr" } */
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/* Block 2: C89 directives should not have the # indented to warn. */
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#pragma whatever /* { dg-warning "indented" "^#c89" } */
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# pragma whatever /* { dg-warning "indented" "^# c89" } */
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#pragma whatever /* { dg-bogus "indented" "^ #c89" } */
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# pragma whatever /* { dg-bogus "indented" "^ # c89" } */
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/* Block 3: Extensions should not have the # indented to warn, _and_
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they should get a -pedantic warning. */
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#assert foo(bar) /* { dg-warning "indented" "^#ext" } */
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# assert bar(baz) /* { dg-warning "indented" "^# ext" } */
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#assert baz(quux) /* { dg-bogus "indented" "^ #ext" } */
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# assert quux(weeble) /* { dg-bogus "indented" "^ # ext" } */
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#else
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/* Block 1: K+R directives should have the # indented to warn. */
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#undef foo bar /* { dg-bogus "indented" "^#kandr" } */
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# undef foo bar /* { dg-bogus "indented" "^# kandr" } */
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#undef foo bar /* { dg-warning "indented" "^ #kandr" } */
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# undef foo bar /* { dg-warning "indented" "^ # kandr" } */
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/* Block 2: C89 directives should not have the # indented to warn. */
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#error whatever /* { dg-warning "indented" "^#c89" } */
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# error whatever /* { dg-warning "indented" "^# c89" } */
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#error whatever /* { dg-bogus "indented" "^ #c89" } */
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# error whatever /* { dg-bogus "indented" "^ # c89" } */
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/* Block 3: Extensions should not have the # indented to warn, and
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they should _not_ get a -pedantic warning. */
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#unassert foo(bar) /* { dg-warning "indented" "^#ext" } */
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# unassert bar(baz) /* { dg-warning "indented" "^# ext" } */
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#unassert baz(quux) /* { dg-bogus "indented" "^ #ext" } */
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# unassert quux(weeble) /* { dg-bogus "indented" "^ # ext" } */
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#endif
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/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 27 } */
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/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 28 } */
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/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 29 } */
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/* { dg-warning "GCC extension" "extension warning" { target *-*-* } 30 } */
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