clang/test/PCH/variables.c

   1 // Test this without pch.
   2 // RUN: %clang_cc1 -include %s -fsyntax-only -verify %s
   3
   4 // Test with pch.
   5 // RUN: %clang_cc1 -emit-pch -o %t %s
   6 // RUN: %clang_cc1 -include-pch %t -fsyntax-only -verify %s
   7
   8 #ifndef HEADER
   9 #define HEADER
  10
  11 extern float y;
  12 extern int *ip, x;
  13
  14 float z;
  15
  16 int z2 = 17;
  17
  18 #define MAKE_HAPPY(X) X##Happy
  19 int MAKE_HAPPY(Very);
  20
  21 #define A_MACRO_IN_THE_PCH 492
  22 #define FUNCLIKE_MACRO(X, Y) X ## Y
  23
  24 #define PASTE2(x,y) x##y
  25 #define PASTE1(x,y) PASTE2(x,y)
  26 #define UNIQUE(x) PASTE1(x,__COUNTER__)
  27
  28 int UNIQUE(a);  // a0
  29 int UNIQUE(a);  // a1
  30
  31 #else
  32
  33 int *ip2 = &x;
  34 float *fp = &ip; // expected-warning{{incompatible pointer types}}
  35 double z; // expected-error{{redefinition}} expected-note@14{{previous}}
  36 int z2 = 18; // expected-error{{redefinition}} expected-note@16{{previous}}
  37 double VeryHappy; // expected-error{{redefinition}} expected-note@19{{previous definition is here}}
  38
  39 int Q = A_MACRO_IN_THE_PCH;
  40
  41 int R = FUNCLIKE_MACRO(A_MACRO_, IN_THE_PCH);
  42
  43
  44 int UNIQUE(a);  // a2
  45 int *Arr[] = { &a0, &a1, &a2 };
  46
  47 #endif