1 // This file is part of flex. 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions 5 // are met: 6 // 7 // 1. Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright 10 // notice, this list of conditions and the following disclaimer in the 11 // documentation and/or other materials provided with the distribution. 12 // 13 // Neither the name of the University nor the names of its contributors 14 // may be used to endorse or promote products derived from this software 15 // without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 18 // IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 19 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 // PURPOSE. 21 22 %{ 23 #include "config.h" 24 25 %} 26 27 %option 8bit outfile="scanner-2.cpp" prefix="S2_" 28 %option nounput nomain 29 %option warn stack noyy_top_state 30 31 %x OFF 32 %x ON 33 %% 34 <INITIAL>{ 35 on yy_push_state(ON); return 3; 36 off yy_push_state(OFF); return 4; 37 .|\n return 5; 38 } 39 <ON>.|\n yy_pop_state(); return 6; 40 41 <OFF>.|\n yy_pop_state(); return 7; 42 %% 43 44 int S2_FlexLexer::yywrap() 45 { 46 std::cout << "NOW WRAPPING." << std::endl; 47 return 1; 48 } 49