| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 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 |
| 6 | int x __attribute__((sentinel)); //expected-warning{{'sentinel' attribute only applies to functions, methods and blocks}} |
| 7 | |
| 8 | void f1(int a, ...) __attribute__ ((sentinel)); // expected-note {{function has been explicitly marked sentinel here}} |
| 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}} |
| 12 | void f4(int a, ...) __attribute__ ((sentinel(1, 2, 3))); //expected-error{{'sentinel' attribute takes no more than 2 arguments}} |
| 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 | |
| 18 | |
| 19 | void f6() __attribute__((__sentinel__)); // expected-warning {{'sentinel' attribute requires named arguments}} |
| 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 | } |
| 27 | |