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srcpos.h
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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;
31 };
32 
33 extern FILE *depfile; /* = NULL */
34 extern struct srcfile_state *current_srcfile; /* = NULL */
35 
55 FILE *srcfile_relative_open(const char *fname, char **fullnamep);
56 
57 void srcfile_push(const char *fname);
58 int srcfile_pop(void);
59 
67 void srcfile_add_search_path(const char *dirname);
68 
69 struct srcpos {
72  int last_line;
75 };
76 
77 #define YYLTYPE struct srcpos
78 
79 #define YYLLOC_DEFAULT(Current, Rhs, N) \
80  do { \
81  if (N) { \
82  (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \
83  (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
84  (Current).last_line = YYRHSLOC(Rhs, N).last_line; \
85  (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
86  (Current).file = YYRHSLOC(Rhs, N).file; \
87  } else { \
88  (Current).first_line = (Current).last_line = \
89  YYRHSLOC(Rhs, 0).last_line; \
90  (Current).first_column = (Current).last_column = \
91  YYRHSLOC(Rhs, 0).last_column; \
92  (Current).file = YYRHSLOC (Rhs, 0).file; \
93  } \
94  } while (0)
95 
96 
97 /*
98  * Fictional source position used for IR nodes that are
99  * created without otherwise knowing a true source position.
100  * For example,constant definitions from the command line.
101  */
102 extern struct srcpos srcpos_empty;
103 
104 extern void srcpos_update(struct srcpos *pos, const char *text, int len);
105 extern struct srcpos *srcpos_copy(struct srcpos *pos);
106 extern char *srcpos_string(struct srcpos *pos);
107 extern void srcpos_dump(struct srcpos *pos);
108 
109 extern void srcpos_verror(struct srcpos *pos, char const *, va_list va)
110  __attribute__((format(printf, 2, 0)));
111 extern void srcpos_error(struct srcpos *pos, char const *, ...)
112  __attribute__((format(printf, 2, 3)));
113 extern void srcpos_warn(struct srcpos *pos, char const *, ...)
114  __attribute__((format(printf, 2, 3)));
115 
116 extern void srcpos_set_line(char *f, int l);
117 
118 #endif /* _SRCPOS_H_ */