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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/*
*
* Generate module.c from module.in and Makefile.am or Makefile.
*
* Copyright (C) 2004-2007 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "compat-queue.h"
#define OUTPUT "module.c"
#define MAXNAME 128
#define MAXLINE 1024
#define MAXMODULES 128
#define MAXINCLUDES 256
typedef struct include {
STAILQ_ENTRY(include) link;
char *filename;
} include;
int
main(int argc, char *argv[])
{
FILE *in, *out;
char *str;
int i;
size_t len;
char *strp;
char *modules[MAXMODULES];
int num_modules = 0;
STAILQ_HEAD(includehead, include) includes =
STAILQ_HEAD_INITIALIZER(includes);
include *inc;
int isam = 0;
int linecont = 0;
if (argc != 3) {
fprintf(stderr, "Usage: %s <module.in> <Makefile[.am]>\n", argv[0]);
return EXIT_FAILURE;
}
str = malloc(MAXLINE);
/* Starting with initial input Makefile, look for include <file> or
* YASM_MODULES += <module>. Note this currently doesn't handle
* a relative starting path.
*/
len = strlen(argv[2]);
inc = malloc(sizeof(include));
inc->filename = malloc(len+1);
strcpy(inc->filename, argv[2]);
STAILQ_INSERT_TAIL(&includes, inc, link);
isam = argv[2][len-2] == 'a' && argv[2][len-1] == 'm';
while (!STAILQ_EMPTY(&includes)) {
inc = STAILQ_FIRST(&includes);
STAILQ_REMOVE_HEAD(&includes, link);
in = fopen(inc->filename, "rt");
if (!in) {
fprintf(stderr, "Could not open `%s'.\n", inc->filename);
return EXIT_FAILURE;
}
free(inc->filename);
free(inc);
while (fgets(str, MAXLINE, in)) {
/* Strip off any trailing whitespace */
len = strlen(str);
if (len > 0) {
strp = &str[len-1];
while (len > 0 && isspace(*strp)) {
*strp-- = '\0';
len--;
}
}
strp = str;
/* Skip whitespace */
while (isspace(*strp))
strp++;
/* Skip comments */
if (*strp == '#')
continue;
/* If line continuation, skip to continue copy */
if (linecont)
goto keepgoing;
/* Check for include if original input is .am file */
if (isam && strncmp(strp, "include", 7) == 0 && isspace(strp[7])) {
strp += 7;
while (isspace(*strp))
strp++;
/* Build new include and add to end of list */
inc = malloc(sizeof(include));
inc->filename = malloc(strlen(strp)+1);
strcpy(inc->filename, strp);
STAILQ_INSERT_TAIL(&includes, inc, link);
continue;
}
/* Check for YASM_MODULES = or += */
if (strncmp(strp, "YASM_MODULES", 12) != 0)
continue;
strp += 12;
while (isspace(*strp))
strp++;
if (strncmp(strp, "+=", 2) != 0 && *strp != '=')
continue;
if (*strp == '+')
strp++;
strp++;
while (isspace(*strp))
strp++;
keepgoing:
/* Check for continuation */
if (len > 0 && str[len-1] == '\\') {
str[len-1] = '\0';
while (isspace(*strp))
*strp-- = '\0';
linecont = 1;
} else
linecont = 0;
while (*strp != '\0') {
/* Copy module name */
modules[num_modules] = malloc(MAXNAME);
len = 0;
while (*strp != '\0' && !isspace(*strp))
modules[num_modules][len++] = *strp++;
modules[num_modules][len] = '\0';
num_modules++;
while (isspace(*strp))
strp++;
}
}
fclose(in);
}
out = fopen(OUTPUT, "wt");
if (!out) {
fprintf(stderr, "Could not open `%s'.\n", OUTPUT);
return EXIT_FAILURE;
}
fprintf(out, "/* This file auto-generated by genmodule.c"
" - don't edit it */\n\n");
in = fopen(argv[1], "rt");
if (!in) {
fprintf(stderr, "Could not open `%s'.\n", argv[1]);
fclose(out);
remove(OUTPUT);
return EXIT_FAILURE;
}
len = 0;
while (fgets(str, MAXLINE, in)) {
if (strncmp(str, "MODULES_", 8) == 0) {
len = 0;
strp = str+8;
while (*strp != '\0' && *strp != '_') {
len++;
strp++;
}
*strp = '\0';
for (i=0; i<num_modules; i++) {
if (strncmp(modules[i], str+8, len) == 0) {
fprintf(out, " {\"%s\", &yasm_%s_LTX_%s},\n",
modules[i]+len+1, modules[i]+len+1, str+8);
}
}
} else if (strncmp(str, "EXTERN_LIST", 11) == 0) {
for (i=0; i<num_modules; i++) {
strcpy(str, modules[i]);
strp = str;
while (*strp != '\0' && *strp != '_')
strp++;
*strp++ = '\0';
fprintf(out, "extern yasm_%s_module yasm_%s_LTX_%s;\n",
str, strp, str);
}
} else
fputs(str, out);
}
fclose(in);
fclose(out);
for (i=0; i<num_modules; i++)
free(modules[i]);
free(str);
return EXIT_SUCCESS;
}
|
