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comparison 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
comparison
equal deleted inserted replaced
212:a47f161c76c9 213:44ffef730bc4
17 17
18 18
19 using namespace std; 19 using namespace std;
20 20
21 struct ltstr { 21 struct ltstr {
22 bool operator()(char* s1, char* s2) const { 22 bool operator()(char* s1, char* s2) const {
23 return strcmp(s1, s2) < 0; 23 return strcmp(s1, s2) < 0;
24 } 24 }
25 }; 25 };
26 26
27 typedef list<ifstream *> stream_list; 27 typedef list<ifstream *> stream_list;
28 typedef list<char *> string_list; 28 typedef list<char *> string_list;
29 typedef set<char *, ltstr> string_set; 29 typedef set<char *, ltstr> string_set;
30 typedef list<int> line_list; 30 typedef list<int> line_list;
31 31
32 class TOKEN { 32 class TOKEN {
33 stream_list streams; 33 stream_list streams;
34 string_list filenames; 34 string_list filenames;
35 string_set filenamess; 35 string_set filenamess;
36 line_list linenumbers; 36 line_list linenumbers;
37 string_list pending_tokens; 37 string_list pending_tokens;
38 string_set *include_files; 38 string_set *include_files;
39 bool pushed; 39 bool pushed;
40 u_char pushed_char; 40 u_char pushed_char;
41 41
42 void pop(); 42 void pop();
43 bool next_char(u_char &c); 43 bool next_char(u_char &c);
44 void push_char(u_char c); 44 void push_char(u_char c);
45 45
46 public: 46 public:
47 TOKEN(char *fn, string_set *includes); 47 TOKEN(char *fn, string_set *includes);
48 ~TOKEN(); 48 ~TOKEN();
49 bool include(char *fn); 49 bool include(char *fn);
50 char *next(); // return next token 50 char *next(); // return next token
51 int nextint(); 51 int nextint();
52 void skipeol(); // skip to eol 52 void skipeol(); // skip to eol
53 void push(char *token) {pending_tokens.push_front(token);}; 53 void push(char *token) {pending_tokens.push_front(token);};
54 char *cur_fn() {return filenames.front();}; 54 const char *cur_fn() {return filenames.empty() ? "" : filenames.front();};
55 int cur_line() {return linenumbers.front();}; 55 int cur_line() {return linenumbers.empty() ? 0 : linenumbers.front();};
56 void token_error(const char *err); 56 void token_error(const char *err);
57 void token_error(const char *fmt, int d, const char *s); 57 void token_error(const char *fmt, int d, const char *s);
58 void token_error(const char *fmt, const char *t, const char *h); 58 void token_error(const char *fmt, const char *t, const char *h);
59 void token_error(const char *want, const char *have); 59 void token_error(const char *want, const char *have);
60 void token_error(); 60 void token_error();
61 }; 61 };
62 62
63 #endif 63 #endif