xref: /aosp_15_r20/external/clang/test/Preprocessor/macro-reserved.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -pedantic -verify %s
2*67e74705SXin Li 
3*67e74705SXin Li #define for 0    // expected-warning {{keyword is hidden by macro definition}}
4*67e74705SXin Li #define final 1
5*67e74705SXin Li #define __HAVE_X 0
6*67e74705SXin Li #define __cplusplus
7*67e74705SXin Li #define _HAVE_X 0
8*67e74705SXin Li #define X__Y
9*67e74705SXin Li 
10*67e74705SXin Li #undef for
11*67e74705SXin Li #undef final
12*67e74705SXin Li #undef __HAVE_X
13*67e74705SXin Li #undef __cplusplus
14*67e74705SXin Li #undef _HAVE_X
15*67e74705SXin Li #undef X__Y
16*67e74705SXin Li 
17*67e74705SXin Li // whitelisted definitions
18*67e74705SXin Li #define while while
19*67e74705SXin Li #define const
20*67e74705SXin Li #define static
21*67e74705SXin Li #define extern
22*67e74705SXin Li #define inline
23*67e74705SXin Li 
24*67e74705SXin Li #undef while
25*67e74705SXin Li #undef const
26*67e74705SXin Li #undef static
27*67e74705SXin Li #undef extern
28*67e74705SXin Li #undef inline
29*67e74705SXin Li 
30*67e74705SXin Li #define inline __inline
31*67e74705SXin Li #undef  inline
32*67e74705SXin Li #define inline __inline__
33*67e74705SXin Li #undef  inline
34*67e74705SXin Li 
35*67e74705SXin Li #define inline inline__  // expected-warning {{keyword is hidden by macro definition}}
36*67e74705SXin Li #undef  inline
37*67e74705SXin Li #define extern __inline  // expected-warning {{keyword is hidden by macro definition}}
38*67e74705SXin Li #undef  extern
39*67e74705SXin Li #define extern __extern	 // expected-warning {{keyword is hidden by macro definition}}
40*67e74705SXin Li #undef  extern
41*67e74705SXin Li #define extern __extern__ // expected-warning {{keyword is hidden by macro definition}}
42*67e74705SXin Li #undef  extern
43*67e74705SXin Li 
44*67e74705SXin Li #define inline _inline   // expected-warning {{keyword is hidden by macro definition}}
45*67e74705SXin Li #undef  inline
46*67e74705SXin Li #define volatile   // expected-warning {{keyword is hidden by macro definition}}
47*67e74705SXin Li #undef  volatile
48*67e74705SXin Li 
49*67e74705SXin Li #pragma clang diagnostic warning "-Wreserved-id-macro"
50*67e74705SXin Li 
51*67e74705SXin Li #define switch if  // expected-warning {{keyword is hidden by macro definition}}
52*67e74705SXin Li #define final 1
53*67e74705SXin Li #define __clusplus // expected-warning {{macro name is a reserved identifier}}
54*67e74705SXin Li #define __HAVE_X 0 // expected-warning {{macro name is a reserved identifier}}
55*67e74705SXin Li #define _HAVE_X 0  // expected-warning {{macro name is a reserved identifier}}
56*67e74705SXin Li #define X__Y
57*67e74705SXin Li 
58*67e74705SXin Li #undef switch
59*67e74705SXin Li #undef final
60*67e74705SXin Li #undef __cplusplus // expected-warning {{macro name is a reserved identifier}}
61*67e74705SXin Li #undef _HAVE_X     // expected-warning {{macro name is a reserved identifier}}
62*67e74705SXin Li #undef X__Y
63*67e74705SXin Li 
64*67e74705SXin Li int x;
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