| Chandler Carruth | b644894 | 2010-10-06 06:50:05 +0000 | [diff] [blame] | 1 | /* Test pragma message directive from |
| 2 | http://msdn.microsoft.com/en-us/library/x7dkzch2.aspx */ |
| 3 | |
| 4 | // message: Sends a string literal to the standard output without terminating |
| 5 | // the compilation. |
| 6 | // #pragma message(messagestring) |
| 7 | // OR |
| 8 | // #pragma message messagestring |
| 9 | // |
| Argyrios Kyrtzidis | 13d7dc0 | 2011-04-21 17:11:44 +0000 | [diff] [blame] | 10 | // RUN: %clang_cc1 -fsyntax-only -verify -Werror %s |
| Chandler Carruth | b644894 | 2010-10-06 06:50:05 +0000 | [diff] [blame] | 11 | #define STRING2(x) #x |
| 12 | #define STRING(x) STRING2(x) |
| 13 | #pragma message(":O I'm a message! " STRING(__LINE__)) // expected-warning {{:O I'm a message! 13}} |
| 14 | #pragma message ":O gcc accepts this! " STRING(__LINE__) // expected-warning {{:O gcc accepts this! 14}} |
| Andy Gibbs | 97f8461 | 2012-11-17 19:16:52 +0000 | [diff] [blame] | 15 | |
| 16 | #pragma message(invalid) // expected-error {{expected string literal in pragma message}} |
| Andy Gibbs | 076eea2 | 2013-04-17 16:16:16 +0000 | [diff] [blame] | 17 | |
| 18 | // GCC supports a similar pragma, #pragma GCC warning (which generates a warning |
| 19 | // message) and #pragma GCC error (which generates an error message). |
| 20 | |
| 21 | #pragma GCC warning(":O I'm a message! " STRING(__LINE__)) // expected-warning {{:O I'm a message! 21}} |
| 22 | #pragma GCC warning ":O gcc accepts this! " STRING(__LINE__) // expected-warning {{:O gcc accepts this! 22}} |
| 23 | |
| 24 | #pragma GCC error(":O I'm a message! " STRING(__LINE__)) // expected-error {{:O I'm a message! 24}} |
| 25 | #pragma GCC error ":O gcc accepts this! " STRING(__LINE__) // expected-error {{:O gcc accepts this! 25}} |
| 26 | |
| 27 | #define COMPILE_ERROR(x) _Pragma(STRING2(GCC error(x))) |
| 28 | COMPILE_ERROR("Compile error at line " STRING(__LINE__) "!"); // expected-error {{Compile error at line 28!}} |
| 29 | |
| 30 | #pragma message // expected-error {{pragma message requires parenthesized string}} |
| 31 | #pragma GCC warning("" // expected-error {{pragma warning requires parenthesized string}} |
| 32 | #pragma GCC error(1) // expected-error {{expected string literal in pragma error}} |