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32 lines
1.1 KiB
C++
32 lines
1.1 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) 2001-2006 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 macro expansion order in conjunction with the need to skip expansion
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// of the same macro as it is currently expanded.
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#define CONCAT(a, b) a ## b
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#define CONCAT_INDIRECT() CONCAT
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//R #line 18 "t_1_003.cpp"
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//R CONCAT(1, 2)
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CONCAT(CON, CAT)(1, 2)
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//R #line 21 "t_1_003.cpp"
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//R CONCAT(1, 2)
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CONCAT(CON, CAT(1, 2))
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//R #line 24 "t_1_003.cpp"
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//R 12
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CONCAT(CONCAT_, INDIRECT)()(1, 2)
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//R #line 27 "t_1_003.cpp"
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//R CONCAT(1, 2)
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CONCAT(CONCAT_, INDIRECT())(1, 2)
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// E t_1_003.cpp(29): error: pasting the following two tokens does not give a valid preprocessing token: "1" and "CONCAT"
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//R #line 31 "t_1_003.cpp"
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//R 1 CONCAT(2, 3)
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CONCAT(1, CONCAT(2, 3))
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