clang/test/Preprocessor/c99-6_10_3_4_p5.c

   1 // Example from C99 6.10.3.4p5
   2 // RUN: %clang_cc1 -E %s | FileCheck -strict-whitespace %s
   3
   4 #define x 3
   5 #define f(a) f(x * (a))
   6 #undef x
   7 #define x 2
   8 #define g f
   9 #define z z[0]
  10 #define h g(~
  11 #define m(a) a(w)
  12 #define w 0,1
  13 #define t(a) a
  14 #define p() int
  15 #define q(x) x
  16 #define r(x,y) x ## y
  17 #define str(x) # x
  18             f(y+1) + f(f(z)) % t(t(g)(0) + t)(1);
  19             g(x+(3,4)-w) | h 5) & m
  20 (f)^m(m);
  21 p() i[q()] = { q(1), r(2,3), r(4,), r(,5), r(,) };
  22 char c[2][6] = { str(hello), str() };
  23
  24 // CHECK: f(2 * (y+1)) + f(2 * (f(2 * (z[0])))) % f(2 * (0)) + t(1);
  25 // CHECK: f(2 * (2 +(3,4)-0,1)) | f(2 * (~ 5)) & f(2 * (0,1))^m(0,1);
  26 // CHECK: int i[] = { 1, 23, 4, 5, };
  27 // CHECK: char c[2][6] = { "hello", "" };
  28