43 lines
870 B
C
43 lines
870 B
C
#ifndef ACC_TOKEN_H
|
|
#define ACC_TOKEN_H
|
|
|
|
#include <stdint.h>
|
|
#include "util/linklist.h"
|
|
|
|
// Token structure
|
|
struct token {
|
|
struct llist_node n;
|
|
int line; // token location line number
|
|
int type; // token type
|
|
union { // hold the value of the literal that we scanned in
|
|
int16_t val_i16;
|
|
int32_t val_i32;
|
|
int64_t val_i64;
|
|
char *val_s;
|
|
};
|
|
};
|
|
|
|
// Tokens
|
|
enum {
|
|
T_EOF,
|
|
T_SEMI, // ;
|
|
T_LB, T_RB, T_LP, T_RP, // { } ( )
|
|
T_ASSIGN, // =
|
|
T_PLUS, T_MINUS, T_STAR, T_SLASH, // + - * /
|
|
T_EQ, T_NE, T_LT, T_GT, T_LE, T_GE, // == != < > <= >=
|
|
T_INT, T_VOID, T_CHAR, T_LONG, // int void char long
|
|
T_SHORT, // short
|
|
T_PRINT, T_IF, T_ELSE, // print if else
|
|
T_WHILE, T_FOR, // while for
|
|
T_RETURN, // return
|
|
T_I16_LIT, T_I32_LIT, T_I64_LIT,
|
|
T_ID,
|
|
T_EXCEED,
|
|
};
|
|
extern const char *token_typename[63];
|
|
|
|
void token_free(struct token *t);
|
|
|
|
#endif
|
|
|