| /*============================================================================= |
| Boost.Wave: A Standard compliant C++ preprocessor library |
| http://www.boost.org/ |
| |
| Copyright (c) 2001-2010 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 |
