/*

Copyright (c) 1993, 1994, 1998 The Open Group.

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.

*/
/* $XFree86: xc/config/makedepend/def.h,v 3.17 2006/01/09 14:56:15 dawes Exp $ */

#include "Xos.h"
#include "Xfuncproto.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#if 0
#ifndef X_NOT_POSIX
#ifndef _POSIX_SOURCE
#define _POSIX_SOURCE
#endif
#endif
#endif
#include <sys/types.h>
#include <fcntl.h>
#include <sys/stat.h>

#define MAXDEFINES	512
#define MAXFILES	1024
#define MAXINCFILES	128	/* "-include" files */
#define MAXDIRS		64
#define SYMTABINC	10	/* must be > 1 for define() to work right */
#define TRUE		1
#define FALSE		0

/* 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 ERROR		10
#define IDENT		11
#define SCCS		12
#define ELIF		13
#define EJECT		14
#define WARNING		15
#define INCLUDENEXT	16
#define IFFALSE		17	/* pseudo value --- never matched */
#define ELIFFALSE	18	/* pseudo value --- never matched */
#define INCLUDEDOT	19	/* pseudo value --- never matched */
#define IFGUESSFALSE	20	/* pseudo value --- never matched */
#define ELIFGUESSFALSE	21	/* pseudo value --- never matched */
#define INCLUDENEXTDOT	22	/* pseudo value --- never matched */

#ifdef DEBUG
extern int	_debugmask;
/*
 * debug levels are:
 *
 *     0	show ifn*(def)*,endif
 *     1	trace defined/!defined
 *     2	show #include
 *     3	show #include SYMBOL
 *     4-6	unused
 */
#define debug(level,arg) { if (_debugmask & (1 << level)) warning arg; }
#else
#define debug(level,arg) /**/
#endif /* DEBUG */

typedef	unsigned char boolean;

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

/* possible i_flag */
#define DEFCHECKED	(1<<0)	/* whether defines have been checked */
#define NOTIFIED	(1<<1)	/* whether we have revealed includes */
#define MARKED		(1<<2)	/* whether it's in the makefile */
#define SEARCHED	(1<<3)	/* whether we have read this */
#define FINISHED	(1<<4)	/* whether we are done reading this */

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 and its
					   children when merged */
	int		i_ndefs;	/* current # defines */
	boolean		*i_merged;      /* whether we have merged child
					   defines */
	unsigned char   i_flags;
};

struct filepointer {
	char	*f_name;
	char	*f_p;
	char	*f_base;
	char	*f_end;
	long	f_len;
	long	f_line;
	long	cmdinc_count;
	char	**cmdinc_list;
	long	cmdinc_line;
};

#include <stdlib.h>
#if defined(macII) && !defined(__STDC__)  /* stdlib.h fails to define these */
char *malloc(), *realloc();
#endif /* macII */

char			*copy(char *str);
int			match(char *str, char **list);
char			*base_name(char *file);
char			*getnextline(struct filepointer *fp);
struct symtab		**slookup(char *symbol, struct inclist *file);
struct symtab		**isdefined(char *symbol, struct inclist *file,
				    struct inclist **srcfile);
struct symtab		**fdefined(char *symbol, struct inclist *file,
				   struct inclist **srcfile);
struct filepointer	*getfile(char *file);
void			included_by(struct inclist *ip,
				    struct inclist *newfile);
struct inclist		*newinclude(char *newfile, char *incstring);
void			inc_clean(void);
struct inclist		*inc_path(char *file, char *include, int type);

void			freefile(struct filepointer *fp);

void			define2(char *name, char *args, char *val,
				struct inclist *file);
void			define(char *def, struct inclist *file);
void			undefine(char *symbol, struct inclist *file);
int			find_includes(struct filepointer *filep,
				      struct inclist *file,
				      struct inclist *file_red,
				      int recursion, boolean failOK);

void			recursive_pr_include(struct inclist *head,
					     char *file, char *base);
void			add_include(struct filepointer *filep,
				    struct inclist *file,
				    struct inclist *file_red,
				    char *include, int type,
				    boolean failOK);

int			cppsetup(char *filename,
				 char *line,
				 struct filepointer *filep,
				 struct inclist *inc);

extern void fatalerr(char *, ...);
extern void warning(char *, ...);
extern void warning1(char *, ...);
