freebsd-dev/contrib/dtc/srcpos.h

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/*
* Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifndef _SRCPOS_H_
#define _SRCPOS_H_
/*
* Augment the standard YYLTYPE with a filenum index into an
* array of all opened filenames.
*/
#include <stdio.h>
struct dtc_file {
char *dir;
const char *name;
FILE *file;
};
#if ! defined(YYLTYPE) && ! defined(YYLTYPE_IS_DECLARED)
typedef struct YYLTYPE {
int first_line;
int first_column;
int last_line;
int last_column;
struct dtc_file *file;
} YYLTYPE;
#define YYLTYPE_IS_DECLARED 1
#define YYLTYPE_IS_TRIVIAL 1
#endif
/* Cater to old parser templates. */
#ifndef YYID
#define YYID(n) (n)
#endif
#define YYLLOC_DEFAULT(Current, Rhs, N) \
do \
if (YYID (N)) \
{ \
(Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
(Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
(Current).last_line = YYRHSLOC (Rhs, N).last_line; \
(Current).last_column = YYRHSLOC (Rhs, N).last_column; \
(Current).file = YYRHSLOC (Rhs, N).file; \
} \
else \
{ \
(Current).first_line = (Current).last_line = \
YYRHSLOC (Rhs, 0).last_line; \
(Current).first_column = (Current).last_column = \
YYRHSLOC (Rhs, 0).last_column; \
(Current).file = YYRHSLOC (Rhs, 0).file; \
} \
while (YYID (0))
typedef YYLTYPE srcpos;
/*
* Fictional source position used for IR nodes that are
* created without otherwise knowing a true source position.
* For example,constant definitions from the command line.
*/
extern srcpos srcpos_empty;
extern struct dtc_file *srcpos_file;
struct search_path {
const char *dir; /* NULL for current directory */
struct search_path *prev, *next;
};
extern struct dtc_file *dtc_open_file(const char *fname,
const struct search_path *search);
extern void dtc_close_file(struct dtc_file *file);
extern srcpos *srcpos_copy(srcpos *pos);
extern char *srcpos_string(srcpos *pos);
extern void srcpos_dump(srcpos *pos);
extern void srcpos_error(srcpos *pos, char const *, ...)
__attribute__((format(printf, 2, 3)));
extern void srcpos_warn(srcpos *pos, char const *, ...)
__attribute__((format(printf, 2, 3)));
#endif /* _SRCPOS_H_ */