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07c0f04e08
Repared support for warnings -Wkeyword-macro and -Wreserved-id-macro.
The warning -Wkeyword-macro now is not issued in patterns that are used
in configuration scripts:
#define inline
also for 'const', 'extern' and 'static'. If macro repalcement is identical
to macro name, the warning also is not issued:
#define volatile volatile
And finally if macro replacement is also a keyword identical to the replaced
one but decorated with leading/trailing underscores:
#define inline __inline
#define inline __inline__
#define inline _inline // in MSVC compatibility mode
Warning -Wreserved-id-macro is off by default, it could help catching
things like:
#undef __cplusplus
llvm-svn: 224512
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
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#define for 0 // expected-warning {{keyword is hidden by macro definition}}
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#define final 1
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#define __HAVE_X 0
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#define _HAVE_X 0
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#define X__Y
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#undef for
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#undef final
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#undef __HAVE_X
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#undef _HAVE_X
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#undef X__Y
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#undef __cplusplus
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#define __cplusplus
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// whitelisted definitions
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#define while while
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#define const
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#define static
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#define extern
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#define inline
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#undef while
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#undef const
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#undef static
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#undef extern
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#undef inline
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#define inline __inline
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#undef inline
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#define inline __inline__
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#undef inline
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#define inline inline__ // expected-warning {{keyword is hidden by macro definition}}
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#undef inline
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#define extern __inline // expected-warning {{keyword is hidden by macro definition}}
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#undef extern
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#define extern __extern // expected-warning {{keyword is hidden by macro definition}}
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#undef extern
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#define extern __extern__ // expected-warning {{keyword is hidden by macro definition}}
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#undef extern
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#define inline _inline // expected-warning {{keyword is hidden by macro definition}}
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#undef inline
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#define volatile // expected-warning {{keyword is hidden by macro definition}}
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#undef volatile
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#pragma clang diagnostic warning "-Wreserved-id-macro"
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#define switch if // expected-warning {{keyword is hidden by macro definition}}
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#define final 1
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#define __HAVE_X 0 // expected-warning {{macro name is a reserved identifier}}
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#define _HAVE_X 0 // expected-warning {{macro name is a reserved identifier}}
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#define X__Y // expected-warning {{macro name is a reserved identifier}}
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#undef __cplusplus // expected-warning {{macro name is a reserved identifier}}
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#undef _HAVE_X // expected-warning {{macro name is a reserved identifier}}
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#undef X__Y // expected-warning {{macro name is a reserved identifier}}
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int x;
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