clang/test/Lexer/final-macro.c

   1 // RUN: %clang_cc1 -Wfinal-macro %s -fsyntax-only -isystem %S/Inputs -verify
   2
   3 // Test warning production
   4 #define Foo 1
   5 // expected-note@+1 4{{macro marked 'final' here}}
   6 #pragma clang final(Foo)
   7
   8 // expected-warning@+2{{macro 'Foo' has been marked as final and should not be redefined}}
   9 // expected-note@+1{{previous definition is here}}
  10 #define Foo 1
  11
  12 // expected-warning@+2{{macro 'Foo' has been marked as final and should not be redefined}}
  13 // expected-warning@+1{{'Foo' macro redefined}}
  14 #define Foo 2
  15
  16 // expected-warning@+1{{redefining builtin macro}}
  17 #define __TIME__ 1
  18
  19 // expected-warning@+1{{undefining builtin macro}}
  20 #undef __TIMESTAMP__
  21
  22 // expected-warning@+1{{macro 'Foo' has been marked as final and should not be undefined}}
  23 #undef Foo
  24 // expected-warning@+1{{macro 'Foo' has been marked as final and should not be redefined}}
  25 #define Foo 3
  26
  27 // Test parse errors
  28 // expected-error@+1{{expected (}}
  29 #pragma clang final
  30
  31 // expected-error@+1{{expected )}}
  32 #pragma clang final(Foo
  33
  34 // expected-error@+1{{no macro named 'Baz'}}
  35 #pragma clang final(Baz)
  36
  37 // expected-error@+1{{expected identifier}}
  38 #pragma clang final(4)
  39
  40 // expected-error@+1{{expected (}}
  41 #pragma clang final Baz
  42
  43 // no diagnostics triggered by these pragmas.
  44 #pragma clang deprecated(Foo)
  45 #pragma clang restrict_expansion(Foo)
  46
  47 #define SYSTEM_MACRO Woah
  48 // expected-note@+1 2{{macro marked 'final' here}}
  49 #pragma clang final(SYSTEM_MACRO)
  50 #include <final-macro-system.h>