--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/tokenizer.h	Fri Mar 10 10:30:08 2006 -0800
@@ -0,0 +1,55 @@
+#ifndef tokenizer_include
+#define tokenizer_include
+
+#include <fstream>
+#include <list>
+#include <set>
+#include <stdio.h>
+#include <ctype.h>
+
+
+using namespace std;
+
+struct ltstr {
+    bool operator()(char* s1, char* s2) const {
+        return strcmp(s1, s2) < 0;
+    }
+};
+
+typedef list<ifstream *>    stream_list;
+typedef list<char *>        string_list;
+typedef set<char *, ltstr>  string_set;
+typedef list<int>           line_list;
+
+class TOKEN {
+    stream_list streams;
+    string_list filenames;
+    string_set  filenamess;
+    line_list   linenumbers;
+    string_list pending_tokens;
+    string_set  *include_files;
+    bool        pushed;
+    u_char      pushed_char;
+
+    void pop();
+    bool next_char(u_char &c);
+    void push_char(u_char c);
+
+public:
+    TOKEN(char *fn, string_set *includes);
+    ~TOKEN();
+    bool    include(char *fn);
+    char    *next();            // return next token
+    int     nextint();
+    void    skipeol();          // skip to eol
+    void    push(char *token)           {pending_tokens.push_front(token);};
+    char    *cur_fn()                   {return filenames.front();};
+    int     cur_line()                  {return linenumbers.front();};
+    void    token_error(const char *err);
+    void    token_error(const char *fmt, int d, const char *s);
+    void    token_error(const char *fmt, const char *t, const char *h);
+    void    token_error(const char *want, const char *have);
+    void    token_error();
+};
+
+#endif