#ifndef BOOLEXP_H
#define BOOLEXP_H
#include "copyrite.h"
#include "chunk.h"

typedef chunk_reference_t boolexp;

/* tokens for locks */
#define NOT_TOKEN '!'
#define AND_TOKEN '&'
#define OR_TOKEN '|'
#define AT_TOKEN '@'
#define IN_TOKEN '+'
#define IS_TOKEN '='
#define OWNER_TOKEN '$'

enum { TRUE_BOOLEXP = NULL_CHUNK_REFERENCE };

/* From boolexp.c */
extern boolexp dup_bool(boolexp b);
extern int sizeof_boolexp(boolexp b);
extern int eval_boolexp(dbref player, boolexp b, dbref target);
extern boolexp parse_boolexp(dbref player, const char *buf, lock_type ltype);
extern boolexp parse_boolexp_d(dbref player, const char *buf, lock_type ltype,
			       int derefs);
extern void free_boolexp(boolexp b);
boolexp getboolexp(FILE * f, const char *ltype);
void putboolexp(FILE * f, boolexp b);
enum u_b_f {
  UB_ALL, /**< Use names of objects */
  UB_DBREF, /**< Use dbrefs */
  UB_MEREF /**< Use dbrefs or "me" if the object is the player arg
              from unparse_boolexp.() For @decompile. */
};
extern char *unparse_boolexp(dbref player, boolexp b, enum u_b_f flag);
#endif				/* BOOLEXP_H */