tests/ctags/c-trigraphs.c

   1
   2 /* simple trigraphs */
   3 ??=define A 1
   4 ??=define B 2
   5 ??=define STRINGIFY_INTERN(x) ??=x
   6 ??=define STRINGIFY(x) STRINGIFY_INTERN(x)
   7
   8 /* doesn't expand to anything that makes sense, but as "???" is not a valid
   9  * trigraph it should not prevent "??/" to match */
  10 ??=define D 4 ???/
  11 #define bug1
  12 ??=define E ?????/
  13 #define bug2
  14
  15 /* \ isn't interpreted for trigraphs */
  16 ??=define F ???\??/
  17 extern int bug3 = ??-0;
  18
  19 ??=define M3_INIT(a, b, c) ??< a, b, c ??>
  20 typedef int matrix3??(3??);
  21
  22 struct str ??<
  23   char *buf;
  24   unsigned int len, size;
  25 ??>;
  26
  27 int main(void)
  28 ??<
  29   const char *hello = STRINGIFY(hello);
  30   matrix3 m = M3_INIT(1, 2, 3);
  31
  32   return m??(2??);
  33 ??>
  34
  35 /* FIXME: how to test "??'" ("^"), "??!" ("|") and "??-" ("~")?
  36  *        I can't think of a construct CTags cares about using those */
  37
  38 ??=if 0
  39 #define bug4
  40 ??=endif
  41
  42
  43 /* test the same with untaken preprocessor paths (as they are then not read by
  44  * the C parser but get.c) */
  45 #if 0
  46
  47 ??=define if0d_A 1
  48 ??=define if0d_B 2
  49 ??=define if0d_C 4 ???/
  50 #define bug5
  51 ??=define I ?????/
  52 #define bug6
  53 ??=define I ??????????/
  54 #define bug7
  55
  56 #endif