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def.h

/* $Xorg: def.h,v 1.4 2001/02/09 02:03:16 xorgcvs Exp $ */
/*

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 3.14 2003/01/17 17:09:49 tsi Exp $ */

#ifndef NO_X11
#include <X11/Xos.h>
#include <X11/Xfuncproto.h>
#endif
#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     256   /* "-include" files */
#define MAXDIRS         1024
#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;
};

/* 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 */
#define INCLUDED_SYM    (1<<5)      /* whether #include SYMBOL was found
                           Can't use i_list if TRUE */
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 *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 *, ...);

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