Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 2 | // RUN: not %clang_cc1 -fsyntax-only %s -fdiagnostics-parseable-fixits 2>&1 | \ |
| 3 | // RUN: FileCheck %s --check-prefix=C |
| 4 | // RUN: not %clang_cc1 -fsyntax-only %s -fdiagnostics-parseable-fixits -x c++ -std=c++11 2>&1 | \ |
| 5 | // RUN: FileCheck %s --check-prefix=CXX11 |
John McCall | d6b8de0 | 2011-01-25 03:51:08 +0000 | [diff] [blame] | 6 | int x __attribute__((sentinel)); //expected-warning{{'sentinel' attribute only applies to functions, methods and blocks}} |
Anders Carlsson | 7709182 | 2008-10-05 18:05:59 +0000 | [diff] [blame] | 7 | |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 8 | void f1(int a, ...) __attribute__ ((sentinel)); // expected-note {{function has been explicitly marked sentinel here}} |
Anders Carlsson | 7709182 | 2008-10-05 18:05:59 +0000 | [diff] [blame] | 9 | void f2(int a, ...) __attribute__ ((sentinel(1))); |
| 10 | |
| 11 | void f3(int a, ...) __attribute__ ((sentinel("hello"))); //expected-error{{'sentinel' attribute requires parameter 1 to be an integer constant}} |
Stephen Hines | 651f13c | 2014-04-23 16:59:28 -0700 | [diff] [blame] | 12 | void f4(int a, ...) __attribute__ ((sentinel(1, 2, 3))); //expected-error{{'sentinel' attribute takes no more than 2 arguments}} |
Anders Carlsson | 7709182 | 2008-10-05 18:05:59 +0000 | [diff] [blame] | 13 | void f4(int a, ...) __attribute__ ((sentinel(-1))); //expected-error{{parameter 1 less than zero}} |
| 14 | void f4(int a, ...) __attribute__ ((sentinel(0, 2))); // expected-error{{parameter 2 not 0 or 1}} |
| 15 | |
| 16 | void f5(int a) __attribute__ ((sentinel)); //expected-warning{{'sentinel' attribute only supported for variadic functions}} |
| 17 | |
Chris Lattner | 897cd90 | 2009-03-17 23:03:47 +0000 | [diff] [blame] | 18 | |
| 19 | void f6() __attribute__((__sentinel__)); // expected-warning {{'sentinel' attribute requires named arguments}} |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 20 | |
| 21 | void g() { |
| 22 | // The integer literal zero is not a sentinel. |
| 23 | f1(1, 0); // expected-warning {{missing sentinel in function call}} |
| 24 | // C: fix-it:{{.*}}:{23:10-23:10}:", (void*) 0" |
| 25 | // CXX11: fix-it:{{.*}}:{23:10-23:10}:", nullptr" |
| 26 | } |