kbuild: Fix compiler warning with assertion when calling 'fwrite'
[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 #ifndef _SRCPOS_H_
21 #define _SRCPOS_H_
22
23 #include <stdio.h>
24
25 struct srcfile_state {
26         FILE *f;
27         char *name;
28         char *dir;
29         int lineno, colno;
30         struct srcfile_state *prev;
31 };
32
33 extern struct srcfile_state *current_srcfile; /* = NULL */
34
35 FILE *srcfile_relative_open(const char *fname, char **fullnamep);
36 void srcfile_push(const char *fname);
37 int srcfile_pop(void);
38
39 struct srcpos {
40     int first_line;
41     int first_column;
42     int last_line;
43     int last_column;
44     struct srcfile_state *file;
45 };
46
47 #define YYLTYPE struct srcpos
48
49 #define YYLLOC_DEFAULT(Current, Rhs, N)                                         \
50         do {                                                                    \
51                 if (N) {                                                        \
52                         (Current).first_line = YYRHSLOC(Rhs, 1).first_line;     \
53                         (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
54                         (Current).last_line = YYRHSLOC(Rhs, N).last_line;       \
55                         (Current).last_column  = YYRHSLOC (Rhs, N).last_column; \
56                         (Current).file = YYRHSLOC(Rhs, N).file;                 \
57                 } else {                                                        \
58                         (Current).first_line = (Current).last_line =            \
59                                 YYRHSLOC(Rhs, 0).last_line;                     \
60                         (Current).first_column = (Current).last_column =        \
61                                 YYRHSLOC(Rhs, 0).last_column;                   \
62                         (Current).file = YYRHSLOC (Rhs, 0).file;                \
63                 }                                                               \
64         } while (0)
65
66
67 /*
68  * Fictional source position used for IR nodes that are
69  * created without otherwise knowing a true source position.
70  * For example,constant definitions from the command line.
71  */
72 extern struct srcpos srcpos_empty;
73
74 extern void srcpos_update(struct srcpos *pos, const char *text, int len);
75 extern struct srcpos *srcpos_copy(struct srcpos *pos);
76 extern char *srcpos_string(struct srcpos *pos);
77 extern void srcpos_dump(struct srcpos *pos);
78
79 extern void srcpos_verror(struct srcpos *pos, char const *, va_list va)
80      __attribute__((format(printf, 2, 0)));
81 extern void srcpos_error(struct srcpos *pos, char const *, ...)
82      __attribute__((format(printf, 2, 3)));
83 extern void srcpos_warn(struct srcpos *pos, char const *, ...)
84      __attribute__((format(printf, 2, 3)));
85
86 #endif /* _SRCPOS_H_ */