/*
 * Mach Operating System
 * Copyright (c) 1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 *
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 */

#ifndef	_STATEMENT_H
#define	_STATEMENT_H

#include "routine.h"

typedef enum statement_kind
{
    skRoutine,
    skImport,
    skUImport,
    skSImport,
    skRCSDecl,
} statement_kind_t;

typedef struct statement
{
    statement_kind_t stKind;
    struct statement *stNext;
    union
    {
	/* when stKind == skRoutine */
	routine_t *_stRoutine;
	/* when stKind == skImport, skUImport, skSImport */
	const_string_t _stFileName;
    } data;
} statement_t;

#define	stRoutine	data._stRoutine
#define	stFileName	data._stFileName

#define stNULL		((statement_t *) 0)

/* stNext will be initialized to put the statement in the list */
extern statement_t *stAlloc(void);

/* list of statements, in order they occur in the .defs file */
extern statement_t *StatementList;

#endif	/* _STATEMENT_H */