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1// RUN: %clang_cc1 -fsyntax-only -verify %s2 3#define NULL (void*)04 5#define ATTR __attribute__ ((__sentinel__)) 6 7@interface INTF8- (void) foo1 : (int)x, ... ATTR; // expected-note {{method has been explicitly marked sentinel here}}9- (void) foo3 : (int)x __attribute__ ((__sentinel__)) ; // expected-warning {{'sentinel' attribute only supported for variadic functions}}10- (void) foo5 : (int)x, ... __attribute__ ((__sentinel__(1))); // expected-note {{method has been explicitly marked sentinel here}}11- (void) foo6 : (int)x, ... __attribute__ ((__sentinel__(5))); // expected-note {{method has been explicitly marked sentinel here}}12- (void) foo7 : (int)x, ... __attribute__ ((__sentinel__(0))); // expected-note {{method has been explicitly marked sentinel here}}13- (void) foo8 : (int)x, ... __attribute__ ((__sentinel__("a"))); // expected-error {{'__sentinel__' attribute requires parameter 1 to be an integer constant}}14- (void) foo9 : (int)x, ... __attribute__ ((__sentinel__(-1))); // expected-error {{'sentinel' parameter 1 less than zero}}15- (void) foo10 : (int)x, ... __attribute__ ((__sentinel__(1,1)));16- (void) foo11 : (int)x, ... __attribute__ ((__sentinel__(1,1,3))); // expected-error {{'__sentinel__' attribute takes no more than 2 arguments}}17- (void) foo12 : (int)x, ... ATTR; // expected-note {{method has been explicitly marked sentinel here}}18 19- (id) foo13 : (id)firstObj, ... __attribute__((sentinel(0,1)));20- (id) foo14 : (id)firstObj : (Class)secondObj, ... __attribute__((sentinel(0,1)));21- (id) foo15 : (id*)firstObj, ... __attribute__((sentinel(0,1)));22- (id) foo16 : (id**)firstObj, ... __attribute__((sentinel(0,1)));23@end24 25int main (void)26{27 INTF *p;28 29 [p foo1:1, NULL]; // OK30 [p foo1:1, 0]; // expected-warning {{missing sentinel in method dispatch}}31 [p foo5:1, NULL, 2]; // OK32 [p foo5:1, 2, NULL, 1]; // OK33 [p foo5:1, NULL, 2, 1]; // expected-warning {{missing sentinel in method dispatch}}34 35 [p foo6:1,2,3,4,5,6,7]; // expected-warning {{missing sentinel in method dispatch}}36 [p foo6:1,NULL,3,4,5,6,7]; // OK37 [p foo7:1]; // expected-warning {{not enough variable arguments in 'foo7:' declaration to fit a sentinel}}38 [p foo7:1, NULL]; // ok39 40 [p foo12:1]; // expected-warning {{not enough variable arguments in 'foo12:' declaration to fit a sentinel}}41 42 [ p foo13 : NULL]; 43 [ p foo14 : 0 : NULL]; 44 [ p foo16 : NULL]; 45 [ p foo15 : NULL];46}47 48