#ifndef _DEF_H
#define _DEF_H
/*
 * $XConsortium: def.h,v 1.5 88/09/06 17:53:49 jim Exp $
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/stat.h>

#ifdef USG
#define u_char  unchar
#endif

#define MAXDEFINES  512
#define MAXFILES    512
#define MAXDIRS      10
#define SYMTABINC    10  /* must be > 1 for define() to work right */
#ifndef  TRUE
#define  TRUE   1
#define  FALSE  0
#endif

/* the following must match the directives table in main.c */
#define  IF           0
#define  IFDEF        1
#define  IFNDEF       2
#define  ELSE         3
#define  ENDIF        4
#define  DEFINE       5
#define  UNDEF        6
#define  INCLUDE      7
#define  LINE         8
#define  PRAGMA       9
#define  EJECT       10
#define  IFFALSE     11  /* pseudo value --- never matched */
#define  INCLUDEDOT  12  /* pseudo value --- never matched */

#ifdef DEBUG
extern int  debug;
#define  debug0  ((debug&0x0001)==0) ? debug : log /* show ifn*(def)*,endif */
#define  debug1  ((debug&0x0002)==0) ? debug : log /* trace defined/!defined */
#define  debug2  ((debug&0x0004)==0) ? debug : log /* show #include */
#define  debug3  ((debug&0x0008)==0) ? debug : log /* unused */
#define  debug4  ((debug&0x0010)==0) ? debug : log /* unused */
#define  debug5  ((debug&0x0020)==0) ? debug : log /* unused */
#define  debug6  ((debug&0x0040)==0) ? debug : log /* unused */
#else
#define  debug0
#define  debug1
#define  debug2
#define  debug3
#define  debug4
#define  debug5
#define  debug6
#endif

typedef  u_char  boolean;

struct symtab {
  char  *s_name;
  char  *s_value;
};

struct  inclist {
  char    *i_incstring;  /* string from #include line */
  char    *i_file;  /* path name of the include file */
  struct inclist  **i_list;  /* list of files it itself includes */
  int    i_listlen;  /* length of i_list */
  struct symtab  *i_defs;  /* symbol table for this file */
  struct symtab  *i_lastdef;  /* last symbol defined */
  int    i_deflen;  /* number of defines */
  boolean    i_defchecked;  /* whether defines have been checked */
  boolean    i_notified;  /* whether we have revealed includes */
  boolean    i_marked;  /* whether it's in the makefile */
  boolean    i_searched;  /* whether we have read this */
};

struct filepointer {
  char  *f_p;
  char  *f_base;
  char  *f_end;
  long  f_len;
  long  f_line;
};

extern char *copy(char *);
extern char *basename(char *);
extern char *getline(struct filepointer *);
extern struct symtab *slookup(char *,struct symtab *);
extern struct symtab *defined(char *,struct inclist *);
extern struct symtab *fdefined(char *,struct inclist *);
extern struct filepointer *getfile(char *);
extern struct inclist *newinclude(char *, char *);
extern struct inclist *inc_path(char *,char *,boolean);

extern void log_fatal(char *,...);
extern void log(char *,...);

#endif