clang/test/Lexer/deprecate-macro.c

   1 // RUN: %clang_cc1 -Wdeprecated %s -fsyntax-only -verify
   2
   3 // expected-error@+1{{expected (}}
   4 #pragma clang deprecated
   5
   6 // expected-error@+1{{expected identifier}}
   7 #pragma clang deprecated(4
   8
   9 // expected-error@+1{{no macro named 'foo'}}
  10 #pragma clang deprecated(foo)
  11
  12 #define bar 1
  13 // expected-note@+1{{macro marked 'deprecated' here}}
  14 #pragma clang deprecated(bar, "bar is deprecated use 1")
  15
  16 // expected-warning@+1{{macro 'bar' has been marked as deprecated: bar is deprecated use 1}}
  17 #if bar
  18 #endif
  19
  20 #define foo 1
  21 // expected-note@+8{{macro marked 'deprecated' here}}
  22 // expected-note@+7{{macro marked 'deprecated' here}}
  23 // expected-note@+6{{macro marked 'deprecated' here}}
  24 // expected-note@+5{{macro marked 'deprecated' here}}
  25 // expected-note@+4{{macro marked 'deprecated' here}}
  26 // expected-note@+3{{macro marked 'deprecated' here}}
  27 // expected-note@+2{{macro marked 'deprecated' here}}
  28 // expected-note@+1{{macro marked 'deprecated' here}}
  29 #pragma clang deprecated(foo)
  30
  31 // expected-error@+1{{expected )}}
  32 #pragma clang deprecated(foo
  33
  34 // expected-warning@+1{{macro 'foo' has been marked as deprecated}}
  35 #if foo
  36 #endif
  37
  38 // expected-warning@+1{{macro 'foo' has been marked as deprecated}}
  39 #if defined(foo)
  40 #endif
  41
  42 // expected-warning@+1{{macro 'foo' has been marked as deprecated}}
  43 #ifdef foo
  44 #endif
  45
  46 // expected-warning@+1{{macro 'foo' has been marked as deprecated}}
  47 #ifndef foo
  48 #endif
  49
  50 int main(int argc, char** argv) {
  51 // expected-error@+1{{no macro named 'main'}}
  52 #pragma clang deprecated(main)
  53
  54   // expected-warning@+1{{macro 'foo' has been marked as deprecated}}
  55   return foo;
  56 }
  57
  58 #define frobble 1
  59 #pragma clang deprecated(frobble)
  60
  61 // not-expected-warning@+1{{macro 'frobble' has been marked as deprecated}}
  62 #undef frobble // Expect no diagnostics here
  63
  64 // not-expected-warning@+1{{macro 'frobble' has been marked as deprecated}}
  65 #define frobble 1 // How about here given that this was undefined?
  66
  67 // not-expected-warning@+1{{macro 'frobble' has been marked as deprecated}}
  68 #if defined(frobble)
  69 #endif
  70
  71 // Test that we diagnose on #elif.
  72 #if 0
  73 #elif foo
  74 // expected-warning@-1{{macro 'foo' has been marked as deprecated}}
  75 #endif
  76
  77
  78 // Test that we diagnose on #elifdef.
  79 #ifdef baz
  80 #elifdef foo
  81 // expected-warning@-1{{macro 'foo' has been marked as deprecated}}
  82 // expected-warning@-2{{use of a '#elifdef' directive is a C23 extension}}
  83 #endif
  84
  85 // Test that we diagnose on #elifndef.
  86 #ifdef baz
  87 #elifndef foo
  88 #endif
  89 // expected-warning@-2{{macro 'foo' has been marked as deprecated}}
  90 // expected-warning@-3{{use of a '#elifndef' directive is a C23 extension}}
  91
  92 // FIXME: These cases are currently not handled because clang doesn't expand
  93 // conditions on skipped #elif* blocks. See the FIXME notes in
  94 // Preprocessor::SkipExcludedConditionalBlock.
  95
  96 #ifdef frobble
  97 // not-expected-warning@+2{{macro 'foo' has been marked as deprecated}}
  98 // expected-warning@+1{{use of a '#elifndef' directive is a C23 extension}}
  99 #elifndef foo
 100 #endif
 101
 102 #ifdef frobble
 103 // not-expected-warning@+2{{macro 'foo' has been marked as deprecated}}
 104 // expected-warning@+1{{use of a '#elifdef' directive is a C23 extension}}
 105 #elifdef foo
 106 #endif
 107
 108 #if 1
 109 // not-expected-warning@+1{{macro 'foo' has been marked as deprecated}}
 110 #elif foo
 111 #endif