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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*
* Raw preprocessor (preforms NO preprocessing)
*
* Copyright (C) 2001-2007 Peter Johnson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <util.h>
#include <libyasm.h>
#define BSIZE 512
typedef struct yasm_preproc_raw {
yasm_preproc_base preproc; /* base structure */
FILE *in;
yasm_linemap *cur_lm;
yasm_errwarns *errwarns;
} yasm_preproc_raw;
yasm_preproc_module yasm_raw_LTX_preproc;
static yasm_preproc *
raw_preproc_create(const char *in_filename, yasm_symtab *symtab,
yasm_linemap *lm, yasm_errwarns *errwarns)
{
FILE *f;
yasm_preproc_raw *preproc_raw = yasm_xmalloc(sizeof(yasm_preproc_raw));
if (strcmp(in_filename, "-") != 0) {
f = fopen(in_filename, "r");
if (!f)
yasm__fatal_missing_input_file( N_("Could not open input file"), in_filename );
}
else
f = stdin;
preproc_raw->preproc.module = &yasm_raw_LTX_preproc;
preproc_raw->in = f;
preproc_raw->cur_lm = lm;
preproc_raw->errwarns = errwarns;
return (yasm_preproc *)preproc_raw;
}
static void
raw_preproc_destroy(yasm_preproc *preproc)
{
yasm_xfree(preproc);
}
static char *
raw_preproc_get_line(yasm_preproc *preproc)
{
yasm_preproc_raw *preproc_raw = (yasm_preproc_raw *)preproc;
int bufsize = BSIZE;
char *buf = yasm_xmalloc((size_t)bufsize);
char *p;
/* Loop to ensure entire line is read (don't want to limit line length). */
p = buf;
for (;;) {
if (!fgets(p, bufsize-(p-buf), preproc_raw->in)) {
if (ferror(preproc_raw->in)) {
yasm_error_set(YASM_ERROR_IO,
N_("error when reading from file"));
yasm_errwarn_propagate(preproc_raw->errwarns,
yasm_linemap_get_current(preproc_raw->cur_lm));
}
break;
}
p += strlen(p);
if (p > buf && p[-1] == '\n')
break;
if ((p-buf)+1 >= bufsize) {
/* Increase size of buffer */
char *oldbuf = buf;
bufsize *= 2;
buf = yasm_xrealloc(buf, (size_t)bufsize);
p = buf + (p-oldbuf);
}
}
if (p == buf) {
/* No data; must be at EOF */
yasm_xfree(buf);
return NULL;
}
/* Strip the line ending */
buf[strcspn(buf, "\r\n")] = '\0';
return buf;
}
static size_t
raw_preproc_get_included_file(yasm_preproc *preproc, char *buf,
size_t max_size)
{
/* no included files */
return 0;
}
static void
raw_preproc_add_include_file(yasm_preproc *preproc, const char *filename)
{
/* no pre-include files */
}
static void
raw_preproc_predefine_macro(yasm_preproc *preproc, const char *macronameval)
{
/* no pre-defining macros */
}
static void
raw_preproc_undefine_macro(yasm_preproc *preproc, const char *macroname)
{
/* no undefining macros */
}
static void
raw_preproc_define_builtin(yasm_preproc *preproc, const char *macronameval)
{
/* no builtin defines */
}
static void
raw_preproc_add_standard(yasm_preproc *preproc, const char **macros)
{
/* no standard macros */
}
/* Define preproc structure -- see preproc.h for details */
yasm_preproc_module yasm_raw_LTX_preproc = {
"Disable preprocessing",
"raw",
raw_preproc_create,
raw_preproc_destroy,
raw_preproc_get_line,
raw_preproc_get_included_file,
raw_preproc_add_include_file,
raw_preproc_predefine_macro,
raw_preproc_undefine_macro,
raw_preproc_define_builtin,
raw_preproc_add_standard
};
|
