ceph/src/boost/libs/wave/test/testwave/testfiles/t_9_020.cpp

   1 /*=============================================================================
   2     Boost.Wave: A Standard compliant C++ preprocessor library
   3     http://www.boost.org/
   4
   5     Copyright (c) 2001-2012 Hartmut Kaiser. Distributed under the Boost
   6     Software License, Version 1.0. (See accompanying file
   7     LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   8 =============================================================================*/
   9
  10 //  tests whether whitespace is correctly handled in macro arguments
  11
  12 //O --variadics
  13
  14 #define STRINGIZE1(x) #x
  15 #define STRINGIZE(x)  STRINGIZE1(x)
  16
  17 #define MACRO(...)    (__VA_ARGS__) - STRINGIZE((__VA_ARGS__))
  18
  19 //R #line 20 "t_9_020.cpp"
  20 MACRO()               //R () - "()"
  21 MACRO( )              //R () - "()"
  22 MACRO(a)              //R (a) - "(a)"
  23 MACRO( a )            //R ( a ) - "( a )"
  24 MACRO(  a  )          //R ( a ) - "( a )"
  25 MACRO(a,b)            //R (a,b) - "(a,b)"
  26 MACRO(a, b)           //R (a, b) - "(a, b)"
  27 MACRO(a ,b)           //R (a ,b) - "(a ,b)"
  28 MACRO( a ,b, c )      //R ( a ,b, c ) - "( a ,b, c )"
  29 MACRO(   a ,b, c   )  //R ( a ,b, c ) - "( a ,b, c )"
  30
  31 #undef MACRO
  32 #define MACRO(x) [x]
  33
  34 //R #line 35 "t_9_020.cpp"
  35 MACRO()               //R []
  36 MACRO( )              //R []
  37 MACRO(123)            //R [123]
  38 MACRO( 123 )          //R [ 123 ]
  39 MACRO(  123  )        //R [ 123 ]
  40
  41 #define A(x) 1 x 3
  42 #define B(x) (1)x(3)
  43
  44 //R #line 45 "t_9_020.cpp"
  45 A(2)                  //R 1 2 3
  46 STRINGIZE(A(2))       //R "1 2 3"
  47 STRINGIZE(B(2))       //R "(1)2(3)"
  48 STRINGIZE(B( 2 ))     //R "(1) 2 (3)"