1 // RUN: %clang_cc1 %s -E | FileCheck -strict-whitespace %s 2 // Check for C99 6.10.3.4p2. 3 4 #define f(a) f(x * (a)) 5 #define x 2 6 #define z z[0] 7 f(f(z)); 8 // CHECK: f(2 * (f(2 * (z[0])))); 9 10 11 12 #define A A B C 13 #define B B C A 14 #define C C A B 15 A 16 // CHECK: A B C A B A C A B C A 17 18 19 // PR1820 20 #define i(x) h(x 21 #define h(x) x(void) 22 extern int i(i)); 23 // CHECK: int i(void) 24 25 26 #define M_0(x) M_ ## x 27 #define M_1(x) x + M_0(0) 28 #define M_2(x) x + M_1(1) 29 #define M_3(x) x + M_2(2) 30 #define M_4(x) x + M_3(3) 31 #define M_5(x) x + M_4(4) 32 33 a: M_0(1)(2)(3)(4)(5); 34 b: M_0(5)(4)(3)(2)(1); 35 36 // CHECK: a: 2 + M_0(3)(4)(5); 37 // CHECK: b: 4 + 4 + 3 + 2 + 1 + M_0(3)(2)(1); 38 39 #define n(v) v 40 #define l m 41 #define m l a 42 c: n(m) X 43 // CHECK: c: m a X 44