| /*============================================================================= |
| 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) |
| =============================================================================*/ |
| |
| // Tests the handling of placeholder tokens, which have to be inserted, when |
| // some macro expands into nothing (certainly these have to be ignored |
| // afterwards :-) |
| |
| #define NIL |
| |
| #define A B NIL |
| #define B() anything |
| |
| //R #line 21 "t_1_020.cpp" |
| //R B() |
| A() // not 'anything'! |
| |
| //H 10: t_1_020.cpp(14): #define |
| //H 08: t_1_020.cpp(14): NIL= |
| //H 10: t_1_020.cpp(16): #define |
| //H 08: t_1_020.cpp(16): A=B NIL |
| //H 10: t_1_020.cpp(17): #define |
| //H 08: t_1_020.cpp(17): B()=anything |
| //H 01: t_1_020.cpp(16): A |
| //H 02: B NIL |
| //H 01: t_1_020.cpp(14): NIL |
| //H 02: |
| //H 03: _ |
| //H 03: B_ |
