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