1*f4a2713aSLionel Sambuc /* Test pragma message directive from 2*f4a2713aSLionel Sambuc http://msdn.microsoft.com/en-us/library/x7dkzch2.aspx */ 3*f4a2713aSLionel Sambuc 4*f4a2713aSLionel Sambuc // message: Sends a string literal to the standard output without terminating 5*f4a2713aSLionel Sambuc // the compilation. 6*f4a2713aSLionel Sambuc // #pragma message(messagestring) 7*f4a2713aSLionel Sambuc // OR 8*f4a2713aSLionel Sambuc // #pragma message messagestring 9*f4a2713aSLionel Sambuc // 10*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -verify -Werror %s 11*f4a2713aSLionel Sambuc #define STRING2(x) #x 12*f4a2713aSLionel Sambuc #define STRING(x) STRING2(x) 13*f4a2713aSLionel Sambuc #pragma message(":O I'm a message! " STRING(__LINE__)) // expected-warning {{:O I'm a message! 13}} 14*f4a2713aSLionel Sambuc #pragma message ":O gcc accepts this! " STRING(__LINE__) // expected-warning {{:O gcc accepts this! 14}} 15*f4a2713aSLionel Sambuc 16*f4a2713aSLionel Sambuc #pragma message(invalid) // expected-error {{expected string literal in pragma message}} 17*f4a2713aSLionel Sambuc 18*f4a2713aSLionel Sambuc // GCC supports a similar pragma, #pragma GCC warning (which generates a warning 19*f4a2713aSLionel Sambuc // message) and #pragma GCC error (which generates an error message). 20*f4a2713aSLionel Sambuc 21*f4a2713aSLionel Sambuc #pragma GCC warning(":O I'm a message! " STRING(__LINE__)) // expected-warning {{:O I'm a message! 21}} 22*f4a2713aSLionel Sambuc #pragma GCC warning ":O gcc accepts this! " STRING(__LINE__) // expected-warning {{:O gcc accepts this! 22}} 23*f4a2713aSLionel Sambuc 24*f4a2713aSLionel Sambuc #pragma GCC error(":O I'm a message! " STRING(__LINE__)) // expected-error {{:O I'm a message! 24}} 25*f4a2713aSLionel Sambuc #pragma GCC error ":O gcc accepts this! " STRING(__LINE__) // expected-error {{:O gcc accepts this! 25}} 26*f4a2713aSLionel Sambuc 27*f4a2713aSLionel Sambuc #define COMPILE_ERROR(x) _Pragma(STRING2(GCC error(x))) 28*f4a2713aSLionel Sambuc COMPILE_ERROR("Compile error at line " STRING(__LINE__) "!"); // expected-error {{Compile error at line 28!}} 29*f4a2713aSLionel Sambuc 30*f4a2713aSLionel Sambuc #pragma message // expected-error {{pragma message requires parenthesized string}} 31*f4a2713aSLionel Sambuc #pragma GCC warning("" // expected-error {{pragma warning requires parenthesized string}} 32*f4a2713aSLionel Sambuc #pragma GCC error(1) // expected-error {{expected string literal in pragma error}} 33