/*

 * 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

 */

/*

 * 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))

extern void yyerror(char const *);

extern void yyerrorf(char const *, ...) __attribute__((format(printf, 1, 2)));

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);