srcpos.h revision f77fe6a20e75a2289faf86f9b6b529044a07b072 
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#if ! defined(YYLTYPE) && ! defined(YYLTYPE_IS_DECLARED)
26typedef struct YYLTYPE {
27    int first_line;
28    int first_column;
29    int last_line;
30    int last_column;
31    int filenum;
32} YYLTYPE;
33
34#define YYLTYPE_IS_DECLARED	1
35#define YYLTYPE_IS_TRIVIAL	1
36#endif
37
38/* Cater to old parser templates. */
39#ifndef YYID
40#define YYID(n)	(n)
41#endif
42
43#define YYLLOC_DEFAULT(Current, Rhs, N)					\
44    do									\
45      if (YYID (N))							\
46	{								\
47	  (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;	\
48	  (Current).first_column = YYRHSLOC (Rhs, 1).first_column;	\
49	  (Current).last_line    = YYRHSLOC (Rhs, N).last_line;		\
50	  (Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
51	  (Current).filenum      = YYRHSLOC (Rhs, N).filenum;		\
52	}								\
53      else								\
54	{								\
55	  (Current).first_line   = (Current).last_line   =		\
56	    YYRHSLOC (Rhs, 0).last_line;				\
57	  (Current).first_column = (Current).last_column =		\
58	    YYRHSLOC (Rhs, 0).last_column;				\
59	  (Current).filenum      = YYRHSLOC (Rhs, 0).filenum;		\
60	}								\
61    while (YYID (0))
62
63
64
65extern void yyerror(char const *);
66extern void yyerrorf(char const *, ...) __attribute__((format(printf, 1, 2)));
67
68extern int srcpos_filenum;
69
70extern int push_input_file(const char *filename);
71extern int pop_input_file(void);
72
73extern FILE *dtc_open_file(const char *fname);
74extern int lookup_file_name(const char *fname, int add_it);
75extern const char *srcpos_filename_for_num(int filenum);
76const char *srcpos_get_filename(void);
77