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1 /*=============================================================================
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2 Boost.Wave: A Standard compliant C++ preprocessor library
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3
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4 http://www.boost.org/
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5
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6 Copyright (c) 2001 Daniel C. Nuffer.
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7 Copyright (c) 2001-2012 Hartmut Kaiser.
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8 Distributed under the Boost Software License, Version 1.0. (See accompanying
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9 file 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 #if !defined(SCANNER_HPP_F4FB01EB_E75C_4537_A146_D34B9895EF37_INCLUDED)
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13 #define SCANNER_HPP_F4FB01EB_E75C_4537_A146_D34B9895EF37_INCLUDED
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14
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15 #include <boost/wave/wave_config.hpp>
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16 #include <boost/wave/cpplexer/re2clex/aq.hpp>
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17
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18 // this must occur after all of the includes and before any code appears
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19 #ifdef BOOST_HAS_ABI_HEADERS
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20 #include BOOST_ABI_PREFIX
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21 #endif
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22
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23 ///////////////////////////////////////////////////////////////////////////////
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24 namespace boost {
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25 namespace wave {
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26 namespace cpplexer {
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27 namespace re2clex {
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28
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29 struct Scanner;
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30 typedef unsigned char uchar;
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31 typedef int (* ReportErrorProc)(struct Scanner const *, int errorcode,
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32 char const *, ...);
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33
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34 typedef struct Scanner {
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35 uchar* first; /* start of input buffer */
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36 uchar* act; /* act position of input buffer */
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37 uchar* last; /* end (one past last char) of input buffer */
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38 uchar* bot; /* beginning of the current buffer */
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39 uchar* top; /* top of the current buffer */
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40 uchar* eof; /* when we read in the last buffer, will point 1 past the
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41 end of the file, otherwise 0 */
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42 uchar* tok; /* points to the beginning of the current token */
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43 uchar* ptr; /* used for YYMARKER - saves backtracking info */
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44 uchar* cur; /* saves the cursor (maybe is redundant with tok?) */
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45 uchar* lim; /* used for YYLIMIT - points to the end of the buffer */
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46 /* (lim == top) except for the last buffer, it points to
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47 the end of the input (lim == eof - 1) */
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48 std::size_t line; /* current line being lex'ed */
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49 std::size_t column; /* current token start column position */
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50 std::size_t curr_column; /* current column position */
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51 ReportErrorProc error_proc; /* must be != 0, this function is called to
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52 report an error */
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53 char const *file_name; /* name of the lex'ed file */
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54 aq_queue eol_offsets;
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55 bool enable_ms_extensions; /* enable MS extensions */
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56 bool act_in_c99_mode; /* lexer works in C99 mode */
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57 bool detect_pp_numbers; /* lexer should prefer to detect pp-numbers */
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58 bool enable_import_keyword; /* recognize import as a keyword */
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59 bool single_line_only; /* don't report missing eol's in C++ comments */
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60 bool act_in_cpp0x_mode; /* lexer works in C++11 mode */
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61 } Scanner;
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62
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63 ///////////////////////////////////////////////////////////////////////////////
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64 } // namespace re2clex
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65 } // namespace cpplexer
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66 } // namespace wave
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67 } // namespace boost
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68
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69 // the suffix header occurs after all of the code
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70 #ifdef BOOST_HAS_ABI_HEADERS
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71 #include BOOST_ABI_SUFFIX
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72 #endif
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73
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74 #endif // !defined(SCANNER_HPP_F4FB01EB_E75C_4537_A146_D34B9895EF37_INCLUDED)
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