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annotate src/tokenizer.h @ 213:44ffef730bc4

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cleanup tokenizer differences with other projects, update tld list
author Carl Byington <carl@five-ten-sg.com>
date Wed, 30 Apr 2008 13:11:32 -0700
parents c7fc218686f5
children 82886d4dd71f
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1 /*
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2
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c7fc218686f5 gpl3, block mail to recipients that cannot reply
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3 Copyright (c) 2007 Carl Byington - 510 Software Group, released under
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4 the GPL version 3 or any later version at your choice available at
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5 http://www.gnu.org/licenses/gpl-3.0.txt
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6
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7 */
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8
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9 #ifndef tokenizer_include
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10 #define tokenizer_include
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11
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12 #include <fstream>
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13 #include <list>
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14 #include <set>
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15 #include <stdio.h>
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16 #include <ctype.h>
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17
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18
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19 using namespace std;
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20
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21 struct ltstr {
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22 bool operator()(char* s1, char* s2) const {
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23 return strcmp(s1, s2) < 0;
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24 }
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25 };
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26
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27 typedef list<ifstream *> stream_list;
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28 typedef list<char *> string_list;
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29 typedef set<char *, ltstr> string_set;
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30 typedef list<int> line_list;
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31
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32 class TOKEN {
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33 stream_list streams;
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34 string_list filenames;
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35 string_set filenamess;
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36 line_list linenumbers;
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37 string_list pending_tokens;
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38 string_set *include_files;
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39 bool pushed;
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40 u_char pushed_char;
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41
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42 void pop();
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43 bool next_char(u_char &c);
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44 void push_char(u_char c);
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45
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46 public:
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47 TOKEN(char *fn, string_set *includes);
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48 ~TOKEN();
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49 bool include(char *fn);
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50 char *next(); // return next token
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51 int nextint();
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52 void skipeol(); // skip to eol
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53 void push(char *token) {pending_tokens.push_front(token);};
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54 const char *cur_fn() {return filenames.empty() ? "" : filenames.front();};
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55 int cur_line() {return linenumbers.empty() ? 0 : linenumbers.front();};
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56 void token_error(const char *err);
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57 void token_error(const char *fmt, int d, const char *s);
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58 void token_error(const char *fmt, const char *t, const char *h);
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59 void token_error(const char *want, const char *have);
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60 void token_error();
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61 };
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63 #endif