49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/*=============================================================================
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Boost.Wave: A Standard compliant C++ preprocessor library
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http://www.boost.org/
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Copyright (c) 2001-2012 Hartmut Kaiser. Distributed under the Boost
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Software License, Version 1.0. (See accompanying file
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LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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// tests whether whitespace is correctly handled in macro arguments
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//O --variadics
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#define STRINGIZE1(x) #x
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#define STRINGIZE(x) STRINGIZE1(x)
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#define MACRO(...) (__VA_ARGS__) - STRINGIZE((__VA_ARGS__))
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//R #line 20 "t_9_020.cpp"
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MACRO() //R () - "()"
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MACRO( ) //R () - "()"
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MACRO(a) //R (a) - "(a)"
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MACRO( a ) //R ( a ) - "( a )"
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MACRO( a ) //R ( a ) - "( a )"
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MACRO(a,b) //R (a,b) - "(a,b)"
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MACRO(a, b) //R (a, b) - "(a, b)"
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MACRO(a ,b) //R (a ,b) - "(a ,b)"
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MACRO( a ,b, c ) //R ( a ,b, c ) - "( a ,b, c )"
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MACRO( a ,b, c ) //R ( a ,b, c ) - "( a ,b, c )"
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#undef MACRO
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#define MACRO(x) [x]
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//R #line 35 "t_9_020.cpp"
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MACRO() //R []
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MACRO( ) //R []
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MACRO(123) //R [123]
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MACRO( 123 ) //R [ 123 ]
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MACRO( 123 ) //R [ 123 ]
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#define A(x) 1 x 3
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#define B(x) (1)x(3)
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//R #line 45 "t_9_020.cpp"
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A(2) //R 1 2 3
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STRINGIZE(A(2)) //R "1 2 3"
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STRINGIZE(B(2)) //R "(1)2(3)"
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STRINGIZE(B( 2 )) //R "(1) 2 (3)"
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