50 lines
2.4 KiB
Objective-C
50 lines
2.4 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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#define NULL (void*)0
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#define ATTR __attribute__ ((__sentinel__))
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@interface INTF
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- (void) foo1 : (int)x, ... ATTR; // expected-note {{method has been explicitly marked sentinel here}}
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- (void) foo3 : (int)x __attribute__ ((__sentinel__)) ; // expected-warning {{'sentinel' attribute only supported for variadic functions}}
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- (void) foo5 : (int)x, ... __attribute__ ((__sentinel__(1))); // expected-note {{method has been explicitly marked sentinel here}}
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- (void) foo6 : (int)x, ... __attribute__ ((__sentinel__(5))); // expected-note {{method has been explicitly marked sentinel here}}
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- (void) foo7 : (int)x, ... __attribute__ ((__sentinel__(0))); // expected-note {{method has been explicitly marked sentinel here}}
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- (void) foo8 : (int)x, ... __attribute__ ((__sentinel__("a"))); // expected-error {{'__sentinel__' attribute requires parameter 1 to be an integer constant}}
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- (void) foo9 : (int)x, ... __attribute__ ((__sentinel__(-1))); // expected-error {{'sentinel' parameter 1 less than zero}}
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- (void) foo10 : (int)x, ... __attribute__ ((__sentinel__(1,1)));
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- (void) foo11 : (int)x, ... __attribute__ ((__sentinel__(1,1,3))); // expected-error {{'__sentinel__' attribute takes no more than 2 arguments}}
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- (void) foo12 : (int)x, ... ATTR; // expected-note {{method has been explicitly marked sentinel here}}
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// rdar://7975788
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- (id) foo13 : (id)firstObj, ... __attribute__((sentinel(0,1)));
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- (id) foo14 : (id)firstObj : (Class)secondObj, ... __attribute__((sentinel(0,1)));
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- (id) foo15 : (id*)firstObj, ... __attribute__((sentinel(0,1)));
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- (id) foo16 : (id**)firstObj, ... __attribute__((sentinel(0,1)));
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@end
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int main ()
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{
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INTF *p;
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[p foo1:1, NULL]; // OK
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[p foo1:1, 0]; // expected-warning {{missing sentinel in method dispatch}}
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[p foo5:1, NULL, 2]; // OK
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[p foo5:1, 2, NULL, 1]; // OK
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[p foo5:1, NULL, 2, 1]; // expected-warning {{missing sentinel in method dispatch}}
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[p foo6:1,2,3,4,5,6,7]; // expected-warning {{missing sentinel in method dispatch}}
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[p foo6:1,NULL,3,4,5,6,7]; // OK
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[p foo7:1]; // expected-warning {{not enough variable arguments in 'foo7:' declaration to fit a sentinel}}
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[p foo7:1, NULL]; // ok
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[p foo12:1]; // expected-warning {{not enough variable arguments in 'foo12:' declaration to fit a sentinel}}
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// rdar://7975788
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[ p foo13 : NULL];
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[ p foo14 : 0 : NULL];
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[ p foo16 : NULL];
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[ p foo15 : NULL];
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}
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