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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc.
4 */
5
6#ifndef SRCPOS_H
7#define SRCPOS_H
8
9#include <stdio.h>
10#include <stdbool.h>
11#include "util.h"
12
13struct srcfile_state {
14 FILE *f;
15 char *name;
16 char *dir;
17 int lineno, colno;
18 struct srcfile_state *prev;
19};
20
21extern FILE *depfile; /* = NULL */
22extern struct srcfile_state *current_srcfile; /* = NULL */
23
24/**
25 * Open a source file.
26 *
27 * If the source file is a relative pathname, then it is searched for in the
28 * current directory (the directory of the last source file read) and after
29 * that in the search path.
30 *
31 * We work through the search path in order from the first path specified to
32 * the last.
33 *
34 * If the file is not found, then this function does not return, but calls
35 * die().
36 *
37 * @param fname Filename to search
38 * @param fullnamep If non-NULL, it is set to the allocated filename of the
39 * file that was opened. The caller is then responsible
40 * for freeing the pointer.
41 * @return pointer to opened FILE
42 */
43FILE *srcfile_relative_open(const char *fname, char **fullnamep);
44
45void srcfile_push(const char *fname);
46bool srcfile_pop(void);
47
48/**
49 * Add a new directory to the search path for input files
50 *
51 * The new path is added at the end of the list.
52 *
53 * @param dirname Directory to add
54 */
55void srcfile_add_search_path(const char *dirname);
56
57struct srcpos {
58 int first_line;
59 int first_column;
60 int last_line;
61 int last_column;
62 struct srcfile_state *file;
63 struct srcpos *next;
64};
65
66#define YYLTYPE struct srcpos
67
68#define YYLLOC_DEFAULT(Current, Rhs, N) \
69 do { \
70 if (N) { \
71 (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \
72 (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
73 (Current).last_line = YYRHSLOC(Rhs, N).last_line; \
74 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
75 (Current).file = YYRHSLOC(Rhs, N).file; \
76 } else { \
77 (Current).first_line = (Current).last_line = \
78 YYRHSLOC(Rhs, 0).last_line; \
79 (Current).first_column = (Current).last_column = \
80 YYRHSLOC(Rhs, 0).last_column; \
81 (Current).file = YYRHSLOC (Rhs, 0).file; \
82 } \
83 (Current).next = NULL; \
84 } while (0)
85
86
87extern void srcpos_update(struct srcpos *pos, const char *text, int len);
88extern struct srcpos *srcpos_copy(struct srcpos *pos);
89extern struct srcpos *srcpos_extend(struct srcpos *new_srcpos,
90 struct srcpos *old_srcpos);
91extern char *srcpos_string(struct srcpos *pos);
92extern char *srcpos_string_first(struct srcpos *pos, int level);
93extern char *srcpos_string_last(struct srcpos *pos, int level);
94
95
96extern void PRINTF(3, 0) srcpos_verror(struct srcpos *pos, const char *prefix,
97 const char *fmt, va_list va);
98extern void PRINTF(3, 4) srcpos_error(struct srcpos *pos, const char *prefix,
99 const char *fmt, ...);
100
101extern void srcpos_set_line(char *f, int l);
102
103#endif /* 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
25struct srcfile_state {
26 FILE *f;
27 char *name;
28 char *dir;
29 int lineno, colno;
30 struct srcfile_state *prev;
31};
32
33extern struct srcfile_state *current_srcfile; /* = NULL */
34
35FILE *srcfile_relative_open(const char *fname, char **fullnamep);
36void srcfile_push(const char *fname);
37int srcfile_pop(void);
38
39struct 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 */
72extern struct srcpos srcpos_empty;
73
74extern void srcpos_update(struct srcpos *pos, const char *text, int len);
75extern struct srcpos *srcpos_copy(struct srcpos *pos);
76extern char *srcpos_string(struct srcpos *pos);
77extern void srcpos_dump(struct srcpos *pos);
78
79extern void srcpos_verror(struct srcpos *pos, char const *, va_list va)
80 __attribute__((format(printf, 2, 0)));
81extern void srcpos_error(struct srcpos *pos, char const *, ...)
82 __attribute__((format(printf, 2, 3)));
83extern void srcpos_warn(struct srcpos *pos, char const *, ...)
84 __attribute__((format(printf, 2, 3)));
85
86#endif /* _SRCPOS_H_ */