test/Lexer/pragma-message.c

   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 //
  10 // RUN: %clang_cc1 -fsyntax-only -verify %s
  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}}