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- /*=============================================================================
- Boost.Wave: A Standard compliant C++ preprocessor library
- http://www.boost.org/
- Copyright (c) 2001-2012 Hartmut Kaiser. Distributed under the Boost
- Software License, Version 1.0. (See accompanying file
- LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- =============================================================================*/
- // Test partial macro evaluation using varidic macros
- //O --variadics
- #define cat(...) cat_i(__VA_ARGS__,,,,,)
- #define cat_i(a, b, c, d, e, ...) \
- a ## b ## c ## d ## e \
- /**/
- #define primitive_cat(a, b) a ## b
- #define partial_cat(x, y) cat(partial_cat_, x, y)
- #define partial_cat_00(a, b) partial_cat_f(, ## a, b ## ,)
- #define partial_cat_01(a, b) partial_cat_f(, ## a, b ,)
- #define partial_cat_10(a, b) partial_cat_f(, a, b ## ,)
- #define partial_cat_11(a, b) partial_cat_f(, a, b ,)
- #define partial_cat_f(a, b, c, d) b ## c
- #define X Token1
- #define Y Token2
- //R #line 34 "t_1_032.cpp"
- partial_cat(0, 0)(X, Y) //R XY
- partial_cat(0, 1)(X, Y) //R XToken2
- partial_cat(1, 0)(X, Y) //R Token1Y
- partial_cat(1, 1)(X, Y) //R Token1Token2
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