1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 #define NULL (void*)0 4 5 #define ATTR __attribute__ ((__sentinel__)) 6 7 @interface INTF 8 - (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 // rdar://7975788 20 - (id) foo13 : (id)firstObj, ... __attribute__((sentinel(0,1))); 21 - (id) foo14 : (id)firstObj : (Class)secondObj, ... __attribute__((sentinel(0,1))); 22 - (id) foo15 : (id*)firstObj, ... __attribute__((sentinel(0,1))); 23 - (id) foo16 : (id**)firstObj, ... __attribute__((sentinel(0,1))); 24 @end 25 26 int main () 27 { 28 INTF *p; 29 30 [p foo1:1, NULL]; // OK 31 [p foo1:1, 0]; // expected-warning {{missing sentinel in method dispatch}} 32 [p foo5:1, NULL, 2]; // OK 33 [p foo5:1, 2, NULL, 1]; // OK 34 [p foo5:1, NULL, 2, 1]; // expected-warning {{missing sentinel in method dispatch}} 35 36 [p foo6:1,2,3,4,5,6,7]; // expected-warning {{missing sentinel in method dispatch}} 37 [p foo6:1,NULL,3,4,5,6,7]; // OK 38 [p foo7:1]; // expected-warning {{not enough variable arguments in 'foo7:' declaration to fit a sentinel}} 39 [p foo7:1, NULL]; // ok 40 41 [p foo12:1]; // expected-warning {{not enough variable arguments in 'foo12:' declaration to fit a sentinel}} 42 43 // rdar://7975788 44 [ p foo13 : NULL]; 45 [ p foo14 : 0 : NULL]; 46 [ p foo16 : NULL]; 47 [ p foo15 : NULL]; 48 } 49 50
