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