Return to lex.h CVS log

Up to [MW Coherent from dump] / coherent / f / f0 / lex

coherent

/*
 * lex/lex.h
 */

/* #include <sys/mdata.h> */
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include "lextype.h"

#ifdef MSDOS
#define OUTFILE "lex_yy.c"
#else
#define	OUTFILE	"lex.yy.c"
#endif

/* Manifest constants. */
#define	ARRSZ	1000			/* maximum size of automaton */
#define	NCBLK	16	/* number of chars in a quantum of stringspace */

/*
 * Macros for manipulating bit-packed character classes.
 */
#define	classindex(n)	((n) / NBCHAR * (MAXUCHAR+1))
#define	classbit(n)	(1 << ((n) & (NBCHAR-1)))

/*
 * Check for octal digit.
 */
#define	isoctl(c)	('0' <= (c) && (c) <= '7')

/*
 * Symbol storage.
 */
struct	def {
	struct	def *d_next;
	char	*d_name;
	int	d_data;
};

/*
 * Types of input lines in the specification.
 */
enum	{
	LN_DFLT,	LN_LSPC,	LN_CTXT,	LN_SCON,
	LN_LCOM,	LN_RCOM,	LN_DLIM,	LN_OPTN,
	LN_EOFL
};

/*
 * Globals.
 */
extern	int	nxt;
extern	int	yylval;
extern	int	ltype;
extern	int	inquotes;
extern	int	indefs;
extern	int	actn;
extern	int	clas;
extern	int	nfa[ARRSZ][2];
extern	struct	def *defstart;
extern	struct	def *ctxstart;
extern	struct	def *scnstart;
extern	unsigned char *classptr;
extern	FILE	*filein;
extern	FILE	*fileout;
extern	char	opnerr[];
extern	char	outmem[];
extern	char	noactn[];
extern	char	illchr[];
extern	char	illnln[];
extern	char	illrng[];
extern	char	illoct[];
extern	char	unddef[];
extern	char	undctx[];
extern	char	undstc[];
extern	char	illstc[];
extern	char	regsyn[];
extern	char	rulsyn[];
extern	char	actsyn[];
extern	char	unmopr[];
extern	char	reperr[];
extern	char	eoferr[];

/*
 * Function definitions.
 */
extern	char	*alloc();
extern	char	*ralloc();
extern	char	*getident();

/* end of lex.h */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.