ack/lang/m2/comp/LLlex.h
1986-04-09 18:14:49 +00:00

34 lines
861 B
C

/* T O K E N D E S C R I P T O R D E F I N I T I O N */
/* $Header$ */
struct string {
int s_length; /* length of a string */
char *s_str; /* the string itself */
};
struct token {
int tk_symb; /* token itself */
char *tk_filename; /* filename in which it occurred */
int tk_lineno; /* linenumber on which it occurred */
union {
struct idf *tk_idf; /* IDENT */
struct string tk_str; /* STRING */
arith tk_int; /* INTEGER */
char *tk_real; /* REAL */
arith *tk_set; /* only used in parse tree node */
struct def *tk_def; /* only used in parse tree node */
} tk_data;
};
#define TOK_IDF tk_data.tk_idf
#define TOK_STR tk_data.tk_str.s_str
#define TOK_SLE tk_data.tk_str.s_length
#define TOK_INT tk_data.tk_int
#define TOK_REL tk_data.tk_real
extern struct token dot, aside;
#define DOT dot.tk_symb
#define ASIDE aside.tk_symb