projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
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 | // Test partial macro evaluation using varidic macros | |
| 11 | ||
| 12 | //O --variadics | |
| 13 | ||
| 14 | #define cat(...) cat_i(__VA_ARGS__,,,,,) | |
| 15 | #define cat_i(a, b, c, d, e, ...) \ | |
| 16 | a ## b ## c ## d ## e \ | |
| 17 | /**/ | |
| 18 | ||
| 19 | #define primitive_cat(a, b) a ## b | |
| 20 | ||
| 21 | #define partial_cat(x, y) cat(partial_cat_, x, y) | |
| 22 | ||
| 23 | #define partial_cat_00(a, b) partial_cat_f(, ## a, b ## ,) | |
| 24 | #define partial_cat_01(a, b) partial_cat_f(, ## a, b ,) | |
| 25 | #define partial_cat_10(a, b) partial_cat_f(, a, b ## ,) | |
| 26 | #define partial_cat_11(a, b) partial_cat_f(, a, b ,) | |
| 27 | ||
| 28 | #define partial_cat_f(a, b, c, d) b ## c | |
| 29 | ||
| 30 | #define X Token1 | |
| 31 | #define Y Token2 | |
| 32 | ||
| 33 | //R #line 34 "t_1_032.cpp" | |
| 34 | partial_cat(0, 0)(X, Y) //R XY | |
| 35 | partial_cat(0, 1)(X, Y) //R XToken2 | |
| 36 | partial_cat(1, 0)(X, Y) //R Token1Y | |
| 37 | partial_cat(1, 1)(X, Y) //R Token1Token2 |