1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
#if UNSAFE_MACRO
#endif
// expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
#if defined(UNSAFE_MACRO)
#endif
// expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
#ifdef UNSAFE_MACRO
#endif
// expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
#ifndef UNSAFE_MACRO
#endif
// expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
const int x = UNSAFE_MACRO;
// expected-warning@+1{{macro 'UNSAFE_MACRO_2' has been marked as unsafe for use in headers}}
const int y = UNSAFE_MACRO_2;
// not-expected-warning@+1{{macro 'UNSAFE_MACRO_2' has been marked as unsafe for use in headers}}
#undef UNSAFE_MACRO_2
// not-expected-warning@+1{{macro 'UNSAFE_MACRO_2' has been marked as unsafe for use in headers}}
#define UNSAFE_MACRO_2 2
// not-expected-warning@+1{{macro 'UNSAFE_MACRO_2' has been marked as unsafe for use in headers}}
const int z = UNSAFE_MACRO_2;
// Test that we diagnose on #elif.
#if 0
#elif UNSAFE_MACRO
// expected-warning@-1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
#endif
// Test that we diagnose on #elifdef.
#ifdef baz
#elifdef UNSAFE_MACRO
// expected-warning@-1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
// expected-warning@-2{{use of a '#elifdef' directive is a C2x extension}}
#endif
// Test that we diagnose on #elifndef.
#ifdef baz
#elifndef UNSAFE_MACRO
#endif
// expected-warning@-2{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
// expected-warning@-3{{use of a '#elifndef' directive is a C2x extension}}
// FIXME: These cases are currently not handled because clang doesn't expand
// conditions on skipped #elif* blocks. See the FIXME notes in
// Preprocessor::SkipExcludedConditionalBlock.
#define frobble
#ifdef frobble
// not-expected-warning@+2{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
// expected-warning@+1{{use of a '#elifndef' directive is a C2x extension}}
#elifndef UNSAFE_MACRO
#endif
#ifdef frobble
// not-expected-warning@+2{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
// expected-warning@+1{{use of a '#elifdef' directive is a C2x extension}}
#elifdef UNSAFE_MACRO
#endif
#if 1
// not-expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
#elif UNSAFE_MACRO
#endif
|
