/*	Copyright (c) 1988 AT&T	*/
/*	  All Rights Reserved  	*/

/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
/*	The copyright notice above does not evidence any   	*/
/*	actual or intended publication of such source code.	*/

#ifndef	_COMPILER_H
#define	_COMPILER_H

#pragma ident	"@(#)compiler.h	1.8	97/06/25 SMI"	/* SVr4.0 1.5	*/

/*
*************************************************************************
*			COPYRIGHT NOTICE				*
*************************************************************************
*	This software is copyright(C) 1982 by Pavel Curtis		*
*									*
*	Permission is granted to reproduce and distribute		*
*	this file by any means so long as no fee is charged		*
*	above a nominal handling fee and so long as this		*
*	notice is always included in the copies.			*
*									*
*	Other rights are reserved except as explicitly granted		*
*	by written permission of the author.				*
*		Pavel Curtis						*
*		Computer Science Dept.					*
*		405 Upson Hall						*
*		Cornell University					*
*		Ithaca, NY 14853					*
*									*
*		Ph- (607) 256-4934					*
*									*
*		Pavel.Cornell@Udel-Relay(ARPAnet)			*
*		decvax!cornell!pavel		(UUCPnet)		*
*********************************************************************** */

/*
 *	compiler.h - Global variables and structures for the terminfo
 *			compiler.
 *
 *  $Header:   RCS/compiler.v  Revision 2.1  82/10/25  14:46:04  pavel  Exp$
 *
 *  $Log:	RCS/compiler.v $
 * Revision 2.1  82/10/25  14:46:04  pavel
 * Added Copyright Notice

 * Revision 2.0  82/10/24  15:17:20  pavel
 * Beta-one Test Release

 * Revision 1.3  82/08/23  22:30:09  pavel
 * The REAL Alpha-one Release Version

 * Revision 1.2  82/08/19  19:10:10  pavel
 * Alpha Test Release One

 * Revision 1.1  82/08/12  18:38:11  pavel
 * Initial revision

 */

#include <stdio.h>
#include <signal.h>   /* use this file to determine if this is SVR4.0 system */
#include <time.h>

#ifdef	__cplusplus
extern "C" {
#endif

#ifndef TRUE
#define	TRUE	1
#define	FALSE	0
#endif

#ifndef EXTERN				/* for machines w/o multiple externs */
#define	EXTERN extern
#endif /* EXTERN */

#define	SINGLE			/* only one terminal (actually none) */

extern char	*destination;	/* destination directory for object files */

EXTERN long	start_time;	/* time at start of compilation */

EXTERN int	curr_line;	/* current line # in input */
EXTERN long	curr_file_pos;	/* file offset of current line */

EXTERN int	debug_level;	/* level of debugging output */

#define	DEBUG(level, fmt, a1) \
		if (debug_level >= level)\
		    fprintf(stderr, fmt, a1);

	/*
	 *	These are the types of tokens returned by the scanner.
	 *	The first three are also used in the hash table of capability
	 *	names.  The scanner returns one of these values after loading
	 *	the specifics into the global structure curr_token.
	 *
	 */

#define	BOOLEAN 0	/* Boolean capability */
#define	NUMBER 1	/* Numeric capability */
#define	STRING 2	/* String-valued capability */
#define	CANCEL 3	/* Capability to be cancelled in following tc's */
#define	NAMES  4	/* The names for a terminal type */

#define	MAXBOOLS 64	/* Maximum # of boolean caps we can handle */
#define	MAXNUMS	64	/* Maximum # of numeric caps we can handle */
#define	MAXSTRINGS 512	/* Maximum # of string caps we can handle */

	/*
	 *	The global structure in which the specific parts of a
	 *	scanned token are returned.
	 *
	 */

struct token
{
	char	*tk_name;		/* name of capability */
	int	tk_valnumber;	/* value of capability (if a number) */
	char	*tk_valstring;	/* value of capability (if a string) */
};

EXTERN struct token	curr_token;

	/*
	 *	The file comp_captab.c contains an array of these structures,
	 *	one per possible capability.  These are then made into a hash
	 *	table array of the same structures for use by the parser.
	 *
	 */

struct name_table_entry
{
	struct name_table_entry *nte_link;
	char	*nte_name;	/* name to hash on */
	int	nte_type;	/* BOOLEAN, NUMBER or STRING */
	short	nte_index;	/* index of associated variable in its array */
};

extern struct name_table_entry	cap_table[];
extern struct name_table_entry	*cap_hash_table[];

extern int	Captabsize;
extern int	Hashtabsize;
extern int	BoolCount;
extern int	NumCount;
extern int	StrCount;

#define	NOTFOUND	((struct name_table_entry *) 0)
	/*
	 *	Function types
	 *
	 */

struct name_table_entry	*find_entry();	/* look up entry in hash table */

int	next_char();
int	trans_string();

#ifdef SIGSTOP	/* SVR4.0 and beyond */
#define	SRCDIR "/usr/share/lib/terminfo"
#else
#define	SRCDIR "/usr/lib/terminfo"
#endif

#ifdef	__cplusplus
}
#endif

#endif	/* _COMPILER_H */
