1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* blogc: A blog compiler.
* Copyright (C) 2015 Rafael G. Martins <rafael@rafaelmartins.eng.br>
*
* This program can be distributed under the terms of the BSD License.
* See the file COPYING.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include "utils/utils.h"
#include "error.h"
blogc_error_t*
blogc_error_new(blogc_error_type_t type, const char *msg)
{
blogc_error_t *err = b_malloc(sizeof(blogc_error_t));
err->type = type;
err->msg = b_strdup(msg);
return err;
}
blogc_error_t*
blogc_error_new_printf(blogc_error_type_t type, const char *format, ...)
{
va_list ap;
va_start(ap, format);
char *tmp = b_strdup_vprintf(format, ap);
va_end(ap);
blogc_error_t *rv = blogc_error_new(type, tmp);
free(tmp);
return rv;
}
blogc_error_t*
blogc_error_parser(blogc_error_type_t type, const char *src, size_t src_len,
size_t current, const char *format, ...)
{
va_list ap;
va_start(ap, format);
char *msg = b_strdup_vprintf(format, ap);
va_end(ap);
b_string_t *str = b_string_new();
while (current < src_len) {
char c = src[current];
if (c == '\r' || c == '\n')
break;
b_string_append_c(str, c);
current++;
}
char *line = b_string_free(str, false);
blogc_error_t *rv = NULL;
if (strlen(line) == 0) // "near to" message isn't useful if line is empty
rv = blogc_error_new(type, msg);
else
rv = blogc_error_new_printf(type,
"%s\nError occurred near to '%s'", msg, line);
free(msg);
free(line);
return rv;
}
void
blogc_error_print(blogc_error_t *err)
{
if (err == NULL)
return;
char *tmp = NULL;
switch(err->type) {
case BLOGC_ERROR_SOURCE_PARSER:
tmp = b_strdup("Source parser error");
break;
case BLOGC_ERROR_TEMPLATE_PARSER:
tmp = b_strdup("Template parser error");
break;
case BLOGC_ERROR_LOADER:
tmp = b_strdup("Loader error");
break;
default:
tmp = b_strdup("Unknown error");
}
fprintf(stderr, "%s: %s\n", tmp, err->msg);
free(tmp);
}
void
blogc_error_free(blogc_error_t *err)
{
if (err == NULL)
return;
free(err->msg);
free(err);
}
|
