1*67e74705SXin Li /* Test pragma message directive from 2*67e74705SXin Li http://msdn.microsoft.com/en-us/library/x7dkzch2.aspx */ 3*67e74705SXin Li 4*67e74705SXin Li // message: Sends a string literal to the standard output without terminating 5*67e74705SXin Li // the compilation. 6*67e74705SXin Li // #pragma message(messagestring) 7*67e74705SXin Li // OR 8*67e74705SXin Li // #pragma message messagestring 9*67e74705SXin Li // 10*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify -Werror %s 11*67e74705SXin Li #define STRING2(x) #x 12*67e74705SXin Li #define STRING(x) STRING2(x) 13*67e74705SXin Li #pragma message(":O I'm a message! " STRING(__LINE__)) // expected-warning {{:O I'm a message! 13}} 14*67e74705SXin Li #pragma message ":O gcc accepts this! " STRING(__LINE__) // expected-warning {{:O gcc accepts this! 14}} 15*67e74705SXin Li 16*67e74705SXin Li #pragma message(invalid) // expected-error {{expected string literal in pragma message}} 17*67e74705SXin Li 18*67e74705SXin Li // GCC supports a similar pragma, #pragma GCC warning (which generates a warning 19*67e74705SXin Li // message) and #pragma GCC error (which generates an error message). 20*67e74705SXin Li 21*67e74705SXin Li #pragma GCC warning(":O I'm a message! " STRING(__LINE__)) // expected-warning {{:O I'm a message! 21}} 22*67e74705SXin Li #pragma GCC warning ":O gcc accepts this! " STRING(__LINE__) // expected-warning {{:O gcc accepts this! 22}} 23*67e74705SXin Li 24*67e74705SXin Li #pragma GCC error(":O I'm a message! " STRING(__LINE__)) // expected-error {{:O I'm a message! 24}} 25*67e74705SXin Li #pragma GCC error ":O gcc accepts this! " STRING(__LINE__) // expected-error {{:O gcc accepts this! 25}} 26*67e74705SXin Li 27*67e74705SXin Li #define COMPILE_ERROR(x) _Pragma(STRING2(GCC error(x))) 28*67e74705SXin Li COMPILE_ERROR("Compile error at line " STRING(__LINE__) "!"); // expected-error {{Compile error at line 28!}} 29*67e74705SXin Li 30*67e74705SXin Li #pragma message // expected-error {{pragma message requires parenthesized string}} 31*67e74705SXin Li #pragma GCC warning("" // expected-error {{pragma warning requires parenthesized string}} 32*67e74705SXin Li #pragma GCC error(1) // expected-error {{expected string literal in pragma error}} 33