test/Lexer/counter.c


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// __COUNTER__ support: rdar://4329310
// RUN: clang -E %s > %t &&

#define PASTE2(x,y) x##y
#define PASTE1(x,y) PASTE2(x,y)
#define UNIQUE(x) PASTE1(x,__COUNTER__)

// RUN: grep "A: 0" %t &&
A: __COUNTER__

// RUN: grep "B: foo1" %t &&
B: UNIQUE(foo);
// RUN: grep "C: foo2" %t &&
C: UNIQUE(foo);
// RUN: grep "D: 3" %t
D: __COUNTER__