1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only %s -verify 2 3 [[gsl::suppress("globally")]]; 4 5 namespace N { 6 [[gsl::suppress("in-a-namespace")]]; 7 } 8 f_()9[[gsl::suppress("readability-identifier-naming")]] void f_() { 10 int *p; 11 [[gsl::suppress("type", "bounds")]] { 12 p = reinterpret_cast<int *>(7); 13 } 14 15 [[gsl::suppress]] int x; // expected-error {{'suppress' attribute takes at least 1 argument}} 16 [[gsl::suppress()]] int y; // expected-error {{'suppress' attribute takes at least 1 argument}} 17 int [[gsl::suppress("r")]] z; // expected-error {{'suppress' attribute cannot be applied to types}} 18 [[gsl::suppress(f_)]] float f; // expected-error {{expected string literal as argument of 'suppress' attribute}} 19 } 20 21 union [[gsl::suppress("type.1")]] U { 22 int i; 23 float f; 24 }; 25 26 // This doesn't really suppress anything but why not? 27 [[clang::suppress]]; 28 29 namespace N { 30 [[clang::suppress("in-a-namespace")]]; 31 } // namespace N 32 33 [[clang::suppress]] int global = 42; 34 foo()35[[clang::suppress]] void foo() { 36 [[clang::suppress]] int *p; 37 38 [[clang::suppress]] int a = 0; // no-warning 39 [[clang::suppress()]] int b = 1; // no-warning 40 [[clang::suppress("a")]] int c = a + b; // no-warning 41 [[clang::suppress("a", "b")]] b = c - a; // no-warning 42 43 [[clang::suppress("a", "b")]] if (b == 10) a += 4; // no-warning 44 [[clang::suppress]] while (true) {} // no-warning 45 [[clang::suppress]] switch (a) { // no-warning 46 default: 47 c -= 10; 48 } 49 50 int [[clang::suppress("r")]] z; 51 // expected-error@-1 {{'suppress' attribute cannot be applied to types}} 52 [[clang::suppress(foo)]] float f; 53 // expected-error@-1 {{expected string literal as argument of 'suppress' attribute}} 54 } 55 56 class [[clang::suppress("type.1")]] V { 57 int i; 58 float f; 59 }; 60 61 // FIXME: There's no good reason why we shouldn't support this case. 62 // But it doesn't look like clang generally supports such attributes yet. 63 class W : [[clang::suppress]] public V { // expected-error{{'suppress' attribute cannot be applied to a base specifier}} 64 }; 65