1 #ifndef _scanner_h 2 #define _scanner_h 3 4 #include <stdio.h> 5 #include "tools/re2c/token.h" 6 7 typedef struct Scanner { 8 FILE *in; 9 unsigned char *bot, *tok, *ptr, *cur, *pos, *lim, *top, *eof; 10 unsigned int tchar, tline, cline; 11 } Scanner; 12 13 void Scanner_init(Scanner*, FILE *); 14 static Scanner *Scanner_new(FILE *); 15 16 int Scanner_echo(Scanner*, FILE *); 17 int Scanner_scan(Scanner*); 18 void Scanner_fatal(Scanner*, const char*); 19 static SubStr Scanner_token(Scanner*); 20 static unsigned int Scanner_line(Scanner*); 21 22 static SubStr 23 Scanner_token(Scanner *s) 24 { 25 SubStr r; 26 SubStr_init_u(&r, s->tok, s->cur - s->tok); 27 return r; 28 } 29 30 static unsigned int 31 Scanner_line(Scanner *s) 32 { 33 return s->cline; 34 } 35 36 static Scanner * 37 Scanner_new(FILE *i) 38 { 39 Scanner *r = malloc(sizeof(Scanner)); 40 Scanner_init(r, i); 41 return r; 42 } 43 44 #endif 45
