xref: /aosp_15_r20/external/clang/test/Preprocessor/has_attribute.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -triple i386-unknown-unknown -fms-compatibility -std=c++11 -E %s -o - | FileCheck %s
2*67e74705SXin Li 
3*67e74705SXin Li // CHECK: has_cxx11_carries_dep
4*67e74705SXin Li #if __has_cpp_attribute(carries_dependency)
5*67e74705SXin Li   int has_cxx11_carries_dep();
6*67e74705SXin Li #endif
7*67e74705SXin Li 
8*67e74705SXin Li // CHECK: has_clang_fallthrough_1
9*67e74705SXin Li #if __has_cpp_attribute(clang::fallthrough)
10*67e74705SXin Li   int has_clang_fallthrough_1();
11*67e74705SXin Li #endif
12*67e74705SXin Li 
13*67e74705SXin Li // CHECK: does_not_have_selectany
14*67e74705SXin Li #if !__has_cpp_attribute(selectany)
15*67e74705SXin Li   int does_not_have_selectany();
16*67e74705SXin Li #endif
17*67e74705SXin Li 
18*67e74705SXin Li // The attribute name can be bracketed with double underscores.
19*67e74705SXin Li // CHECK: has_clang_fallthrough_2
20*67e74705SXin Li #if __has_cpp_attribute(clang::__fallthrough__)
21*67e74705SXin Li   int has_clang_fallthrough_2();
22*67e74705SXin Li #endif
23*67e74705SXin Li 
24*67e74705SXin Li // The scope cannot be bracketed with double underscores.
25*67e74705SXin Li // CHECK: does_not_have___clang___fallthrough
26*67e74705SXin Li #if !__has_cpp_attribute(__clang__::fallthrough)
27*67e74705SXin Li   int does_not_have___clang___fallthrough();
28*67e74705SXin Li #endif
29*67e74705SXin Li 
30*67e74705SXin Li // Test that C++11, target-specific attributes behave properly.
31*67e74705SXin Li 
32*67e74705SXin Li // CHECK: does_not_have_mips16
33*67e74705SXin Li #if !__has_cpp_attribute(gnu::mips16)
34*67e74705SXin Li   int does_not_have_mips16();
35*67e74705SXin Li #endif
36*67e74705SXin Li 
37*67e74705SXin Li // Test that the version numbers of attributes listed in SD-6 are supported
38*67e74705SXin Li // correctly.
39*67e74705SXin Li 
40*67e74705SXin Li // CHECK: has_cxx11_carries_dep_vers
41*67e74705SXin Li #if __has_cpp_attribute(carries_dependency) == 200809
42*67e74705SXin Li   int has_cxx11_carries_dep_vers();
43*67e74705SXin Li #endif
44*67e74705SXin Li 
45*67e74705SXin Li // CHECK: has_cxx11_noreturn_vers
46*67e74705SXin Li #if __has_cpp_attribute(noreturn) == 200809
47*67e74705SXin Li   int has_cxx11_noreturn_vers();
48*67e74705SXin Li #endif
49*67e74705SXin Li 
50*67e74705SXin Li // CHECK: has_cxx14_deprecated_vers
51*67e74705SXin Li #if __has_cpp_attribute(deprecated) == 201309
52*67e74705SXin Li   int has_cxx14_deprecated_vers();
53*67e74705SXin Li #endif
54*67e74705SXin Li 
55*67e74705SXin Li // CHECK: has_cxx1z_nodiscard
56*67e74705SXin Li #if __has_cpp_attribute(nodiscard) == 201603
57*67e74705SXin Li   int has_cxx1z_nodiscard();
58*67e74705SXin Li #endif
59*67e74705SXin Li 
60*67e74705SXin Li // CHECK: has_cxx1z_fallthrough
61*67e74705SXin Li #if __has_cpp_attribute(fallthrough) == 201603
62*67e74705SXin Li   int has_cxx1z_fallthrough();
63*67e74705SXin Li #endif
64*67e74705SXin Li 
65*67e74705SXin Li // CHECK: has_declspec_uuid
66*67e74705SXin Li #if __has_declspec_attribute(uuid)
67*67e74705SXin Li   int has_declspec_uuid();
68*67e74705SXin Li #endif
69*67e74705SXin Li 
70*67e74705SXin Li // CHECK: has_declspec_uuid2
71*67e74705SXin Li #if __has_declspec_attribute(__uuid__)
72*67e74705SXin Li   int has_declspec_uuid2();
73*67e74705SXin Li #endif
74*67e74705SXin Li 
75*67e74705SXin Li // CHECK: does_not_have_declspec_fallthrough
76*67e74705SXin Li #if !__has_declspec_attribute(fallthrough)
77*67e74705SXin Li   int does_not_have_declspec_fallthrough();
78*67e74705SXin Li #endif
79