42 lines
1.5 KiB
C++
42 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 delayed macro expansion (rescanning)
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#define CONCAT_1(A, B) A ## B
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#define CONCAT_2(A, B) CONCAT_1(A, B)
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#define DELAY(NAME) NAME
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#define A1 a
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#define B1 b
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#define A2() a
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#define B2() b
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#define LHS (
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#define RHS )
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//R #line 27 "t_1_027.cpp"
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DELAY(CONCAT_1)( a, b ) (); //R ab ();
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DELAY(CONCAT_1)(A1, B1)(); //R A1B1();
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DELAY(CONCAT_1) LHS A1, B1 RHS (); //R CONCAT_1 ( a, b )();
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CONCAT_1 ( a, b ) (); //R ab ();
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CONCAT_1 ( A1, B1 ) (); //R A1B1 ();
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CONCAT_1 LHS a, b RHS (); //R CONCAT_1 ( a, b )();
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//R
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DELAY(CONCAT_2)( a, b ) (); //R ab ();
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DELAY(CONCAT_2)(A1, B1)(); //R ab();
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DELAY(CONCAT_2) LHS A1, B1 RHS (); //R CONCAT_2 ( a, b )();
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DELAY(CONCAT_2)(A2(), B2())(); //R ab();
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CONCAT_2 ( a, b ) (); //R ab ();
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CONCAT_2 ( A1, B1 ) (); //R ab ();
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CONCAT_2 LHS a, b RHS (); //R CONCAT_2 ( a, b )();
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CONCAT_2(A2(), B2())(); //R ab();
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