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 // Verifies that preprocessing directives are properly recognized only if 11 // the '#' is really the first character on a line before macro expansion. 12 // See http://www.open-std.org/jtc1/sc22/wg14/docs/rr/dr_144.html. 13 14 #define EMPTY 15 EMPTY # define M 1 16 17 //R #line 15 "t_9_021.cpp" 18 //R #define M 1 19 20 //H 10: t_9_021.cpp(14): #define 21 //H 08: t_9_021.cpp(14): EMPTY= 22 //H 01: t_9_021.cpp(14): EMPTY 23 //H 02: 24 //H 03: _ 25