Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
[linux-2.6.git] / scripts / dtc / srcpos.h
1 /*
2  * Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or (at your option) any later version.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  *  General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, write to the Free Software
16  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
17  *                                                                   USA
18  */
19
20 /*
21  * Augment the standard YYLTYPE with a filenum index into an
22  * array of all opened filenames.
23  */
24
25 #include <stdio.h>
26
27 struct dtc_file {
28         char *dir;
29         const char *name;
30         FILE *file;
31 };
32
33 #if ! defined(YYLTYPE) && ! defined(YYLTYPE_IS_DECLARED)
34 typedef struct YYLTYPE {
35     int first_line;
36     int first_column;
37     int last_line;
38     int last_column;
39     struct dtc_file *file;
40 } YYLTYPE;
41
42 #define YYLTYPE_IS_DECLARED     1
43 #define YYLTYPE_IS_TRIVIAL      1
44 #endif
45
46 /* Cater to old parser templates. */
47 #ifndef YYID
48 #define YYID(n) (n)
49 #endif
50
51 #define YYLLOC_DEFAULT(Current, Rhs, N)                                 \
52     do                                                                  \
53       if (YYID (N))                                                     \
54         {                                                               \
55           (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;        \
56           (Current).first_column = YYRHSLOC (Rhs, 1).first_column;      \
57           (Current).last_line    = YYRHSLOC (Rhs, N).last_line;         \
58           (Current).last_column  = YYRHSLOC (Rhs, N).last_column;       \
59           (Current).file         = YYRHSLOC (Rhs, N).file;              \
60         }                                                               \
61       else                                                              \
62         {                                                               \
63           (Current).first_line   = (Current).last_line   =              \
64             YYRHSLOC (Rhs, 0).last_line;                                \
65           (Current).first_column = (Current).last_column =              \
66             YYRHSLOC (Rhs, 0).last_column;                              \
67           (Current).file         = YYRHSLOC (Rhs, 0).file;              \
68         }                                                               \
69     while (YYID (0))
70
71
72
73 extern void yyerror(char const *);
74 extern void yyerrorf(char const *, ...) __attribute__((format(printf, 1, 2)));
75
76 extern struct dtc_file *srcpos_file;
77
78 struct search_path {
79         const char *dir; /* NULL for current directory */
80         struct search_path *prev, *next;
81 };
82
83 extern struct dtc_file *dtc_open_file(const char *fname,
84                                       const struct search_path *search);
85 extern void dtc_close_file(struct dtc_file *file);