xref: /aosp_15_r20/external/clang/test/Preprocessor/macro-reserved.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -pedantic -std=c++98 %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 _HAVE_X 0
7*67e74705SXin Li #define X__Y
8*67e74705SXin Li 
9*67e74705SXin Li #undef for
10*67e74705SXin Li #undef final
11*67e74705SXin Li #undef __HAVE_X
12*67e74705SXin Li #undef _HAVE_X
13*67e74705SXin Li #undef X__Y
14*67e74705SXin Li 
15*67e74705SXin Li #undef __cplusplus
16*67e74705SXin Li #define __cplusplus
17*67e74705SXin Li 
18*67e74705SXin Li // whitelisted definitions
19*67e74705SXin Li #define while while
20*67e74705SXin Li #define const
21*67e74705SXin Li #define static
22*67e74705SXin Li #define extern
23*67e74705SXin Li #define inline
24*67e74705SXin Li 
25*67e74705SXin Li #undef while
26*67e74705SXin Li #undef const
27*67e74705SXin Li #undef static
28*67e74705SXin Li #undef extern
29*67e74705SXin Li #undef inline
30*67e74705SXin Li 
31*67e74705SXin Li #define inline __inline
32*67e74705SXin Li #undef  inline
33*67e74705SXin Li #define inline __inline__
34*67e74705SXin Li #undef  inline
35*67e74705SXin Li 
36*67e74705SXin Li #define inline inline__  // expected-warning {{keyword is hidden by macro definition}}
37*67e74705SXin Li #undef  inline
38*67e74705SXin Li #define extern __inline  // expected-warning {{keyword is hidden by macro definition}}
39*67e74705SXin Li #undef  extern
40*67e74705SXin Li #define extern __extern	 // expected-warning {{keyword is hidden by macro definition}}
41*67e74705SXin Li #undef  extern
42*67e74705SXin Li #define extern __extern__ // expected-warning {{keyword is hidden by macro definition}}
43*67e74705SXin Li #undef  extern
44*67e74705SXin Li 
45*67e74705SXin Li #define inline _inline   // expected-warning {{keyword is hidden by macro definition}}
46*67e74705SXin Li #undef  inline
47*67e74705SXin Li #define volatile   // expected-warning {{keyword is hidden by macro definition}}
48*67e74705SXin Li #undef  volatile
49*67e74705SXin Li 
50*67e74705SXin Li 
51*67e74705SXin Li #pragma clang diagnostic warning "-Wreserved-id-macro"
52*67e74705SXin Li 
53*67e74705SXin Li #define switch if  // expected-warning {{keyword is hidden by macro definition}}
54*67e74705SXin Li #define final 1
55*67e74705SXin Li #define __HAVE_X 0 // expected-warning {{macro name is a reserved identifier}}
56*67e74705SXin Li #define _HAVE_X 0  // expected-warning {{macro name is a reserved identifier}}
57*67e74705SXin Li #define X__Y       // expected-warning {{macro name is a reserved identifier}}
58*67e74705SXin Li 
59*67e74705SXin Li #undef __cplusplus // expected-warning {{macro name is a reserved identifier}}
60*67e74705SXin Li #undef _HAVE_X     // expected-warning {{macro name is a reserved identifier}}
61*67e74705SXin Li #undef X__Y        // expected-warning {{macro name is a reserved identifier}}
62*67e74705SXin Li 
63*67e74705SXin Li int x;
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