clang/test/Sema/source_location.c

   1 // RUN: %clang_cc1 -std=c90 -fconst-strings -DCONST_STRINGS -verify %s
   2 // RUN: %clang_cc1 -std=c90 -verify %s
   3
   4 // expected-no-diagnostics
   5
   6 #define IsEqual(L, R) (__builtin_strcmp(L, R) == 0)
   7
   8 const char *const FILE = __builtin_FILE();
   9 const char *const FUNC = __builtin_FUNCTION();
  10 const unsigned LINE = __builtin_LINE();
  11 const unsigned COL = __builtin_COLUMN();
  12
  13 #ifndef CONST_STRINGS
  14 char *const NCFILE = __builtin_FILE();
  15 char *const NCFUNC = __builtin_FUNCTION();
  16 #endif
  17
  18 #ifdef CONST_STRINGS
  19 _Static_assert(IsEqual(__builtin_FILE(), __FILE__), "");
  20 _Static_assert(__builtin_LINE() == __LINE__, "");
  21 _Static_assert(IsEqual("", __builtin_FUNCTION()), "");
  22
  23 #line 42 "my_file.c"
  24 _Static_assert(__builtin_LINE() == 42, "");
  25 _Static_assert(IsEqual(__builtin_FILE(), "my_file.c"), "");
  26
  27 _Static_assert(__builtin_COLUMN() == __builtin_strlen("_Static_assert(_"), "");
  28
  29 void foo(void) {
  30   _Static_assert(IsEqual(__builtin_FUNCTION(), "foo"), "");
  31 }
  32 #endif // CONST_STRINGS