forked from bonzini/smalltalk
/
gst-tool.c
433 lines (380 loc) · 10.3 KB
/
gst-tool.c
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
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
/***********************************************************************
*
* Option handling and dispatching to installed .st scripts
*
*
***********************************************************************/
/***********************************************************************
*
* Copyright 2007, 2008 Free Software Foundation, Inc.
* Written by Paolo Bonzini.
*
* This file is part of GNU Smalltalk.
*
* GNU Smalltalk is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2, or (at your option) any later
* version.
*
* Linking GNU Smalltalk statically or dynamically with other modules is
* making a combined work based on GNU Smalltalk. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
*
* In addition, as a special exception, the Free Software Foundation
* give you permission to combine GNU Smalltalk with free software
* programs or libraries that are released under the GNU LGPL and with
* independent programs running under the GNU Smalltalk virtual machine.
*
* You may copy and distribute such a system following the terms of the
* GNU GPL for GNU Smalltalk and the licenses of the other code
* concerned, provided that you include the source code of that other
* code when and as the GNU GPL requires distribution of source code.
*
* Note that people who make modified versions of GNU Smalltalk are not
* obligated to grant this special exception for their modified
* versions; it is their choice whether to do so. The GNU General
* Public License gives permission to release a modified version without
* this exception; this exception also makes it possible to release a
* modified version which carries forward this exception.
*
* GNU Smalltalk is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Smalltalk; see the file COPYING. If not, write to the Free Software
* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
***********************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstpub.h"
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <errno.h>
const char *program_name;
const char *kernel_dir;
const char *image_file;
int flags = GST_NO_TTY;
struct tool {
const char *name;
const char *script;
const char *options;
const char *force_opt;
};
struct tool tools[] = {
{
"gst-convert", "scripts/Convert.st",
"-h|--help --version -q|--quiet -v|-V|--verbose -C|--class: -r|--rule: \
-c|--category: -f|--format: -o|--output: -I|--image-file: \
--kernel-directory:",
NULL
},
{
"gst-load", "scripts/Load.st",
"-h|--help --version -q|--quiet -v|-V|--verbose -n|--dry-run -f|--force \
-t|--test -I|--image-file: --kernel-directory:",
NULL
},
{
"gst-reload", "scripts/Load.st",
"-h|--help --version -q|--quiet -v|-V|--verbose -n|--dry-run -f|--force \
-t|--test -I|--image-file: --kernel-directory:",
"--force"
},
{
"gst-package", "scripts/Package.st",
"-h|--help --version --load --no-load --no-install --uninstall --dist \
--prepare --test -t|--target-directory: --list-files: --list-packages \
--srcdir: --distdir|--destdir: --copy --all-files --vpath \
-n|--dry-run -I|--image-file: --kernel-directory:",
NULL
},
{
"gst-sunit", "scripts/Test.st",
"-h|--help --version -q|--quiet -v|-V|--verbose -f|--file: -p|--package: \
-I|--image-file: --kernel-directory:",
NULL
},
{
"gst-blox", "scripts/Browser.st",
"-I|--image-file: --kernel-directory:",
NULL
},
{
"gst-doc", "scripts/GenDoc.st",
"-h|--help --version -p|--package: -f|--file: -I|--image-file: \
-n|--namespace: -o|--output: --kernel-directory:",
NULL
},
{ NULL, NULL, NULL, NULL }
};
/* An option parser compatible with the one in the Getopt class.
Does not support canonical option names, otherwise it is pretty
complete. */
struct option {
char arg;
const char *name;
struct option *next;
};
#define OPT_NONE 0
#define OPT_MANDATORY 1
#define OPT_OPTIONAL 2
char short_opts[1 << (sizeof (char) * 8)];
struct option *long_opts;
void
option_error (const char *s, ...)
{
va_list ap;
va_start (ap, s);
fprintf (stderr, "%s: ", program_name);
vfprintf (stderr, s, ap);
fprintf (stderr, "\n");
va_end (ap);
exit (1);
}
void
setup_option (char *p, char *end)
{
int arg = 0;
if (*p != '-')
abort ();
while (*end == ':')
{
*end-- = '\0';
arg++;
}
if (arg > 2)
abort ();
while (p)
{
unsigned char short_opt = 0;
const char *long_opt = NULL;
if (*p++ != '-')
abort ();
if (*p == '-')
{
++p;
long_opt = strsep (&p, "|");
}
else
{
short_opt = *p++;
if (!*p)
p = NULL;
else if (*p++ != '|')
abort ();
}
if (long_opt)
{
struct option *opt = malloc (sizeof (struct option));
opt->name = strdup (long_opt);
opt->arg = arg;
opt->next = long_opts;
long_opts = opt;
}
else
short_opts[(unsigned char) short_opt] = arg;
}
}
void
setup_options (const char *str)
{
char *copy = strdup (str);
char *p = copy;
memset (short_opts, -1, sizeof (short_opts));
do
{
while (isspace (*p))
p++;
if (*p)
{
char *begin, *end;
begin = strsep (&p, " \t\n");
end = begin + strlen (begin) - 1;
setup_option (begin, end);
}
}
while (p && *p);
free (copy);
}
void
parse_option (int short_opt, const char *long_opt, const char *arg)
{
if (short_opt == 'I'
|| (long_opt && !strcmp (long_opt, "image-file")))
{
if (image_file)
option_error ("duplicate --image-file option");
image_file = arg;
}
if (long_opt && !strcmp (long_opt, "kernel-directory"))
{
if (kernel_dir)
option_error ("duplicate --kernel-directory option");
kernel_dir = arg;
}
}
int
parse_short_options (const char *name, const char *arg)
{
while (*name)
{
unsigned char short_opt = (unsigned char) *name++;
int have_arg = short_opts[short_opt];
if (have_arg == -1)
option_error ("invalid option -%c", short_opt);
if (have_arg == OPT_NONE || (have_arg == OPT_OPTIONAL && !*name))
parse_option (short_opt, NULL, NULL);
else if (*name || arg)
{
parse_option (short_opt, NULL, *name ? name : arg);
return *name ? 1 : 2;
}
else /* if (have_arg == OPT_MANDATORY) */
option_error ("expected argument for option -%s", name[-1]);
}
return 1;
}
int
parse_long_option (const char *name, const char *arg)
{
struct option *all_opts, *opt = NULL;
int num_matches = 0;
int len;
const char *p = strchr (name, '=');
if (!p)
len = strlen (name);
else
len = p++ - name;
for (all_opts = long_opts; all_opts; all_opts = all_opts->next)
if (!memcmp (name, all_opts->name, len))
{
opt = all_opts;
if (opt->name[len] == '\0')
{
/* Exact match! */
num_matches = 1;
break;
}
else
num_matches++;
}
if (!opt)
option_error ("invalid option --%.*s", len, name);
if (num_matches > 1)
option_error ("ambiguous option --%.*s", len, name);
if (opt->arg == OPT_NONE && p)
option_error ("unexpected argument for option --%s", opt->name);
else if (p || opt->arg != OPT_MANDATORY)
{
parse_option (0, opt->name, p);
return 1;
}
else if (!arg)
option_error ("expected argument for option --%s", opt->name);
else
{
parse_option (0, opt->name, arg);
return 2;
}
return 1;
}
void
parse_options (const char **argv)
{
int at_end = 0;
while (*argv)
{
if (at_end || argv[0][0] != '-' || argv[0][1] == '\0')
{
parse_option (0, NULL, argv[0]);
argv++;
}
else if (argv[0][1] != '-')
argv += parse_short_options (&argv[0][1], argv[1]);
else if (argv[0][2] == '\0')
{
at_end = true;
argv++;
}
else
argv += parse_long_option (&argv[0][2], argv[1]);
}
}
int
main(int argc, const char **argv)
{
int smalltalk_argc;
const char **smalltalk_argv;
const char *executable_name;
int i;
int result;
#ifdef _WIN32
executable_name = strrchr (argv[0], '\\');
if (!executable_name || strchr (executable_name, '/'))
executable_name = strrchr (argv[0], '/');
#else
executable_name = strrchr (argv[0], '/');
#endif /* _WIN32 */
if (executable_name)
executable_name++;
else
executable_name = argv[0];
/* Check if used in the build tree. */
if (!strcmp (executable_name, "gst-tool" EXEEXT)
|| !strcmp (executable_name, "gst-tool" ARGV_EXEEXT)
|| !strcmp (executable_name, "lt-gst-tool" EXEEXT)
|| !strcmp (executable_name, "lt-gst-tool" ARGV_EXEEXT))
{
argv++, argc--;
program_name = argv[0];
flags |= GST_IGNORE_USER_FILES;
}
else
program_name = executable_name;
for (i = 0; ; i++)
if (!tools[i].name)
exit (127);
else if (!strcmp (tools[i].name, program_name))
break;
setup_options (tools[i].options);
parse_options (&argv[1]);
if (tools[i].force_opt)
{
smalltalk_argv = alloca (sizeof (const char *) * (argc + 1));
smalltalk_argc = argc;
smalltalk_argv[0] = tools[i].force_opt;
memcpy (&smalltalk_argv[1], &argv[1], argc * sizeof (char *));
}
else
{
smalltalk_argv = argv + 1;
smalltalk_argc = argc - 1;
}
#ifdef CMD_LN_S
setenv ("LN_S", CMD_LN_S, 0);
#endif
#ifdef CMD_INSTALL
setenv ("INSTALL", CMD_INSTALL, 0);
#endif
#ifdef CMD_ZIP
setenv ("XZIP", CMD_ZIP, 0);
#endif
gst_set_var (GST_VERBOSITY, 0);
gst_smalltalk_args (smalltalk_argc, smalltalk_argv);
result = gst_initialize (kernel_dir, image_file, flags);
if (result != 0)
exit (result < 0 ? 1 : result);
if (!gst_process_file (tools[i].script, GST_DIR_KERNEL_SYSTEM))
fprintf (stderr, "%s: Couldn't open kernel file `%s': %s\n",
executable_name, tools[i].script, strerror (errno));
gst_invoke_hook (GST_ABOUT_TO_QUIT);
exit (0);
}