1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-undef %s 2 // rdar://2362963 3 4 #if FOO // ok. 5 #endif 6 7 #pragma GCC diagnostic warning "-Wundef" 8 9 #if FOO // expected-warning {{'FOO' is not defined}} 10 #endif 11 12 #pragma GCC diagnostic ignored "-Wun" "def" 13 14 #if FOO // ok. 15 #endif 16 17 #pragma GCC diagnostic error "-Wundef" 18 19 #if FOO // expected-error {{'FOO' is not defined}} 20 #endif 21 22 23 #define foo error 24 #pragma GCC diagnostic foo "-Wundef" // expected-warning {{pragma diagnostic expected 'error', 'warning', 'ignored', 'fatal', 'push', or 'pop'}} 25 26 #pragma GCC diagnostic error 42 // expected-error {{expected string literal in pragma diagnostic}} 27 28 #pragma GCC diagnostic error "-Wundef" 42 // expected-warning {{unexpected token in pragma diagnostic}} 29 #pragma GCC diagnostic error "invalid-name" // expected-warning {{pragma diagnostic expected option name (e.g. "-Wundef")}} 30 31 #pragma GCC diagnostic error "-Winvalid-name" // expected-warning {{unknown warning group '-Winvalid-name', ignored}} 32 33 34 // Testing pragma clang diagnostic with -Weverything ppo()35void ppo(){} // First test that we do not diagnose on this. 36 37 #pragma clang diagnostic warning "-Weverything" ppp()38void ppp(){} // expected-warning {{no previous prototype for function 'ppp'}} 39 40 #pragma clang diagnostic ignored "-Weverything" // Reset it. ppq()41void ppq(){} 42 43 #pragma clang diagnostic error "-Weverything" // Now set to error ppr()44void ppr(){} // expected-error {{no previous prototype for function 'ppr'}} 45 46 #pragma clang diagnostic warning "-Weverything" // This should not be effective pps()47void pps(){} // expected-error {{no previous prototype for function 'pps'}} 48