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/*
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.
*/
#ifdef HAVE_CONFIG_H
# include "makedepend-config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sys/stat.h>
/* http://clang.llvm.org/docs/LanguageExtensions.html#has-attribute */
#ifndef __has_attribute
# define __has_attribute(x) 0 /* Compatibility with non-clang compilers. */
#endif
#ifndef _X_ATTRIBUTE_PRINTF
#if __has_attribute(__format__) \
|| defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 203)
# define _X_ATTRIBUTE_PRINTF(x,y) __attribute__((__format__(__printf__,x,y)))
#else /* not gcc >= 2.3 */
# define _X_ATTRIBUTE_PRINTF(x,y)
#endif
#endif
#ifndef _X_NORETURN
#if __has_attribute(noreturn) \
|| (defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 205)) \
|| (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590))
# define _X_NORETURN __attribute((noreturn))
#else
# define _X_NORETURN
#endif /* GNUC */
#endif
#ifndef HAVE_REALLOCARRAY
#define reallocarray(ptr, num, size) realloc(ptr, (num) * (size))
#endif
#define mallocarray(num, size) reallocarray(NULL, num, size)
#define MAXDEFINES 512
#define MAXFILES 2048
#define MAXINCFILES 128 /* "-include" files */
#define MAXDIRS 512 /* -I flags */
#define PATHMAX 4096 /* realpath */
#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 parse.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) do { if (_debugmask & (1 << level)) warning arg; } while(0)
#else
#define debug(level,arg) do { /**/ } while (0)
#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 */
char *i_realpath; /* path name processed by realpath() */
struct inclist **i_list; /* list of files it itself includes */
struct symtab **i_defs; /* symbol table for this file and its
children when merged */
unsigned int i_listlen; /* length of i_list */
int i_ndefs; /* current # defines */
boolean *i_merged; /* whether we have merged child
defines */
unsigned char i_flags;
};
struct filepointer {
const 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>
/* main.c */
int match(const char *str, const char *const *list);
char *getnextline(struct filepointer *fp);
struct filepointer *getfile(const char *file);
void freefile(struct filepointer *fp);
/* include.c */
void included_by(struct inclist *ip, struct inclist *newfile);
struct inclist *newinclude(const char *newfile, const char *incstring,
const char *incpath);
void inc_clean(void);
struct inclist *inc_path(const char *file, const char *include, int type);
/* parse.c */
struct symtab **isdefined(const char *symbol, struct inclist *file,
struct inclist **srcfile);
void define2(const char *name, const char *val, struct inclist *file);
void define(char *def, struct inclist *file);
void undefine(const char *symbol, struct inclist *file);
int find_includes(struct filepointer *filep,
struct inclist *file, struct inclist *file_red,
int recursion, boolean failOK);
/* pr.c */
void recursive_pr_include(struct inclist *head,
const char *file, const char *base);
void add_include(struct filepointer *filep,
struct inclist *file, struct inclist *file_red,
const char *include, int type, boolean failOK);
/* cppsetup.c */
int cppsetup(const char *filename, const char *line,
struct filepointer *filep, struct inclist *inc);
/* main.c */
extern void fatalerr(const char *, ...) _X_ATTRIBUTE_PRINTF(1, 2) _X_NORETURN;
extern void warning(const char *, ...) _X_ATTRIBUTE_PRINTF(1, 2);
extern void warning1(const char *, ...) _X_ATTRIBUTE_PRINTF(1, 2);
extern struct inclist inclist[MAXFILES];
extern struct inclist *inclistp;
extern struct inclist *inclistnext;
extern struct inclist maininclist;
extern const char *includedirs[];
extern const char **includedirsnext;
extern char *notdotdot[];
extern const char *objprefix;
extern const char *objsuffix;
extern int width;
extern boolean printed;
extern boolean verbose;
extern boolean show_where_not;
extern boolean warn_multiple;
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