clang/test/Lexer/Inputs/unsafe-macro-2.h

   1 // expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
   2 #if UNSAFE_MACRO
   3 #endif
   4
   5 // expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
   6 #if defined(UNSAFE_MACRO)
   7 #endif
   8
   9 // expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
  10 #ifdef UNSAFE_MACRO
  11 #endif
  12
  13 // expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
  14 #ifndef UNSAFE_MACRO
  15 #endif
  16
  17 // expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
  18 const int x = UNSAFE_MACRO;
  19
  20 // expected-warning@+1{{macro 'UNSAFE_MACRO_2' has been marked as unsafe for use in headers}}
  21 const int y = UNSAFE_MACRO_2;
  22
  23 // not-expected-warning@+1{{macro 'UNSAFE_MACRO_2' has been marked as unsafe for use in headers}}
  24 #undef UNSAFE_MACRO_2
  25 // not-expected-warning@+1{{macro 'UNSAFE_MACRO_2' has been marked as unsafe for use in headers}}
  26 #define UNSAFE_MACRO_2 2
  27
  28 // not-expected-warning@+1{{macro 'UNSAFE_MACRO_2' has been marked as unsafe for use in headers}}
  29 const int z = UNSAFE_MACRO_2;
  30
  31
  32 // Test that we diagnose on #elif.
  33 #if 0
  34 #elif UNSAFE_MACRO
  35 // expected-warning@-1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
  36 #endif
  37
  38
  39 // Test that we diagnose on #elifdef.
  40 #ifdef baz
  41 #elifdef UNSAFE_MACRO
  42 // expected-warning@-1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
  43 // expected-warning@-2{{use of a '#elifdef' directive is a C23 extension}}
  44 #endif
  45
  46 // Test that we diagnose on #elifndef.
  47 #ifdef baz
  48 #elifndef UNSAFE_MACRO
  49 #endif
  50 // expected-warning@-2{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
  51 // expected-warning@-3{{use of a '#elifndef' directive is a C23 extension}}
  52
  53 // FIXME: These cases are currently not handled because clang doesn't expand
  54 // conditions on skipped #elif* blocks. See the FIXME notes in
  55 // Preprocessor::SkipExcludedConditionalBlock.
  56
  57 #define frobble
  58
  59 #ifdef frobble
  60 // not-expected-warning@+2{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
  61 // expected-warning@+1{{use of a '#elifndef' directive is a C23 extension}}
  62 #elifndef UNSAFE_MACRO
  63 #endif
  64
  65 #ifdef frobble
  66 // not-expected-warning@+2{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
  67 // expected-warning@+1{{use of a '#elifdef' directive is a C23 extension}}
  68 #elifdef UNSAFE_MACRO
  69 #endif
  70
  71 #if 1
  72 // not-expected-warning@+1{{macro 'UNSAFE_MACRO' has been marked as unsafe for use in headers: Don't use this!}}
  73 #elif UNSAFE_MACRO
  74 #endif