Mercurial > wflogs-daemon

comparison src/tokenizer.h @ 0:0aa1171aebd2 stable-1-0-0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
initial version
author Carl Byington <carl@five-ten-sg.com>
date Wed, 15 May 2013 13:15:59 -0700
parents
children
comparison
equal deleted inserted replaced
-1:000000000000 0:0aa1171aebd2
1 /*
2
3 Copyright (c) 2007 Carl Byington - 510 Software Group, released under
4 the GPL version 3 or any later version at your choice available at
5 http://www.gnu.org/licenses/gpl-3.0.txt
6
7 */
8
9 using namespace std;
10
11 struct ltstr {
12 bool operator()(const char* s1, const char* s2) const {
13 return strcmp(s1, s2) < 0;
14 }
15 };
16
17 typedef list<ifstream *> stream_list;
18 typedef list<const char *> string_list;
19 typedef set<const char *, ltstr> string_set;
20 typedef list<int> line_list;
21
22 class TOKEN {
23 stream_list streams;
24 string_list filenames;
25 string_set filenamess;
26 line_list linenumbers;
27 string_list pending_tokens;
28 string_set *include_files;
29 bool pushed;
30 u_char pushed_char;
31
32 void pop();
33 bool next_char(u_char &c);
34 void push_char(u_char c);
35
36 public:
37 TOKEN(const char *fn, string_set *includes);
38 ~TOKEN();
39 bool include(const char *fn);
40 const char *next(); // return next token
41 int nextint();
42 void skipeol(); // skip to eol
43 void push(const char *token) {pending_tokens.push_front(token);};
44 const char *cur_fn() {return filenames.empty() ? "" : filenames.front();};
45 int cur_line() {return linenumbers.empty() ? 0 : linenumbers.front();};
46 void token_error(const char *err);
47 void token_error(const char *fmt, int d, const char *s);
48 void token_error(const char *fmt, const char *t, const char *h);
49 void token_error(const char *want, const char *have);
50 void token_error();
51 };
52