| /* Test pragma message directive from |
| http://msdn.microsoft.com/en-us/library/x7dkzch2.aspx */ |
| |
| // message: Sends a string literal to the standard output without terminating |
| // the compilation. |
| // #pragma message(messagestring) |
| // OR |
| // #pragma message messagestring |
| // |
| // RUN: %clang_cc1 -fsyntax-only -verify -Werror %s |
| #define STRING2(x) #x |
| #define STRING(x) STRING2(x) |
| #pragma message(":O I'm a message! " STRING(__LINE__)) // expected-warning {{:O I'm a message! 13}} |
| #pragma message ":O gcc accepts this! " STRING(__LINE__) // expected-warning {{:O gcc accepts this! 14}} |
| |
| #pragma message(invalid) // expected-error {{expected string literal in pragma message}} |
| |
| // GCC supports a similar pragma, #pragma GCC warning (which generates a warning |
| // message) and #pragma GCC error (which generates an error message). |
| |
| #pragma GCC warning(":O I'm a message! " STRING(__LINE__)) // expected-warning {{:O I'm a message! 21}} |
| #pragma GCC warning ":O gcc accepts this! " STRING(__LINE__) // expected-warning {{:O gcc accepts this! 22}} |
| |
| #pragma GCC error(":O I'm a message! " STRING(__LINE__)) // expected-error {{:O I'm a message! 24}} |
| #pragma GCC error ":O gcc accepts this! " STRING(__LINE__) // expected-error {{:O gcc accepts this! 25}} |
| |
| #define COMPILE_ERROR(x) _Pragma(STRING2(GCC error(x))) |
| COMPILE_ERROR("Compile error at line " STRING(__LINE__) "!"); // expected-error {{Compile error at line 28!}} |
| |
| #pragma message // expected-error {{pragma message requires parenthesized string}} |
| #pragma GCC warning("" // expected-error {{pragma warning requires parenthesized string}} |
| #pragma GCC error(1) // expected-error {{expected string literal in pragma error}} |
