1 | /*============================================================================= |
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2 | Boost.Wave: A Standard compliant C++ preprocessor library |
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3 | Explicit instantiation of the lex_functor generation function |
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4 | |
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5 | http://www.boost.org/ |
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6 | |
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7 | Copyright (c) 2001-2007 Hartmut Kaiser. Distributed under the Boost |
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8 | Software License, Version 1.0. (See accompanying file |
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9 | LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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10 | =============================================================================*/ |
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11 | |
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12 | #define BOOST_WAVE_SOURCE 1 |
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13 | #include <boost/wave/wave_config.hpp> // configuration data |
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14 | |
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15 | #if BOOST_WAVE_SEPARATE_LEXER_INSTANTIATION != 0 |
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16 | |
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17 | #include <string> |
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18 | |
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19 | #include <boost/wave/token_ids.hpp> |
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20 | #include <boost/wave/cpplexer/cpp_lex_token.hpp> |
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21 | #include <boost/wave/cpplexer/cpp_lex_iterator.hpp> |
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22 | |
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23 | /////////////////////////////////////////////////////////////////////////////// |
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24 | // The following file needs to be included only once throughout the whole |
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25 | // program. |
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26 | #include <boost/wave/cpplexer/re2clex/cpp_re2c_lexer.hpp> |
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27 | |
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28 | // this must occur after all of the includes and before any code appears |
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29 | #ifdef BOOST_HAS_ABI_HEADERS |
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30 | #include BOOST_ABI_PREFIX |
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31 | #endif |
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32 | |
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33 | /////////////////////////////////////////////////////////////////////////////// |
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34 | // |
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35 | // This instantiates the correct 'new_lexer' function, which generates the |
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36 | // C++ lexer used in this sample. You will have to instantiate the |
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37 | // new_lexer_gen<> template with the same iterator type, as you have used for |
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38 | // instantiating the boost::wave::context<> object. |
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39 | // |
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40 | // This is moved into a separate compilation unit to decouple the compilation |
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41 | // of the C++ lexer from the compilation of the other modules, which helps to |
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42 | // reduce compilation time. |
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43 | // |
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44 | // The template parameter(s) supplied should be identical to the first |
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45 | // parameter supplied while instantiating the boost::wave::context<> template |
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46 | // (see the file cpp.cpp). |
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47 | // |
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48 | /////////////////////////////////////////////////////////////////////////////// |
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49 | |
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50 | template struct boost::wave::cpplexer::new_lexer_gen< |
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51 | BOOST_WAVE_STRINGTYPE::iterator>; |
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52 | template struct boost::wave::cpplexer::new_lexer_gen< |
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53 | BOOST_WAVE_STRINGTYPE::const_iterator>; |
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54 | |
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55 | // the suffix header occurs after all of the code |
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56 | #ifdef BOOST_HAS_ABI_HEADERS |
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57 | #include BOOST_ABI_SUFFIX |
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58 | #endif |
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59 | |
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60 | #endif // BOOST_WAVE_SEPARATE_LEXER_INSTANTIATION != 0 |
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