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#pragma once
#include "const.h"
typedef enum scanner_Sym {
S_undef,
S_eof,
S_DIV,
S_INT,
S_VOID,
S_RETURN,
S_IDENT,
S_INT_CONST,
S_SEMICOLON,
S_LPARENT,
S_RPARENT,
S_LCURL,
S_RCURL
} scanner_Sym;
typedef struct scanner_Symbol {
scanner_Sym sym;
union {
char s[MAX_IDENT_LEN];
int i;
} data;
int tag;
} scanner_Symbol;
typedef struct Scanner {
int peek;
int row;
int col;
char *src;
char *pos;
int debug;
} Scanner;
void scanner_init( Scanner *s, char *src );
void scanner_reset( Scanner *s );
void scanner_done( Scanner *s );
scanner_Symbol scanner_scan( Scanner *s );
void scanner_debug( Scanner *s, int enable );
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