Commit | Line | Data |
---|---|---|
805e021f CE |
1 | /* |
2 | * | |
3 | * Copyright 1986, 1987, 1988 | |
4 | * by MIT Student Information Processing Board. | |
5 | * | |
6 | * For copyright info, see "mit-sipb-cr.h". | |
7 | * | |
8 | */ | |
9 | ||
10 | #undef MEMORYLEAK | |
11 | #include <afsconfig.h> | |
12 | #include <afs/param.h> | |
13 | ||
14 | #include <roken.h> | |
15 | #include <afs/opr.h> | |
16 | ||
17 | #include "mit-sipb-cr.h" | |
18 | #include "internal.h" | |
19 | #include "compiler.h" | |
20 | ||
21 | extern char *current_token; | |
22 | extern int table_number, current; | |
23 | char buffer[BUFSIZ]; | |
24 | char *table_name = NULL; | |
25 | FILE *hfile = NULL, *cfile = NULL, *msfile = NULL; | |
26 | int version = 1; | |
27 | int use_msf = 0; | |
28 | int emit_source = 0; | |
29 | int emit_header = 0; | |
30 | ||
31 | /* lex stuff */ | |
32 | extern FILE *yyin; | |
33 | extern FILE *yyout; | |
34 | #ifdef AFS_AIX51_ENV | |
35 | int yylineno = 0; | |
36 | #else | |
37 | extern int yylineno; | |
38 | #endif | |
39 | ||
40 | char * | |
41 | xmalloc(unsigned int size) | |
42 | { | |
43 | char *p = malloc(size); | |
44 | if (!p) { | |
45 | perror(whoami); | |
46 | exit(1); | |
47 | } | |
48 | return p; | |
49 | } | |
50 | ||
51 | static int | |
52 | check_arg(char const *const *str_list, char const *arg) | |
53 | { | |
54 | while (*str_list) | |
55 | if (!strcmp(arg, *str_list++)) | |
56 | return 1; | |
57 | return 0; | |
58 | } | |
59 | ||
60 | static const char *const debug_args[] = { | |
61 | "d", | |
62 | "debug", | |
63 | 0, | |
64 | }; | |
65 | ||
66 | static const char *const lang_args[] = { | |
67 | "lang", | |
68 | "language", | |
69 | 0, | |
70 | }; | |
71 | ||
72 | static const char *const prefix_args[] = { | |
73 | "p", | |
74 | "prefix", | |
75 | 0, | |
76 | }; | |
77 | ||
78 | static const char *const emit_args[] = { | |
79 | "e", | |
80 | "emit", | |
81 | 0, | |
82 | }; | |
83 | ||
84 | static const char *const language_names[] = { | |
85 | "C", | |
86 | "K&R C", | |
87 | "C++", | |
88 | 0, | |
89 | }; | |
90 | ||
91 | static const char *const c_src_prolog[] = { | |
92 | "#include <afs/error_table.h>\n", | |
93 | "static const char * const text[] = {\n", | |
94 | 0, | |
95 | }; | |
96 | ||
97 | static const char *const krc_src_prolog[] = { | |
98 | "#ifdef __STDC__\n", | |
99 | "#define NOARGS void\n", | |
100 | "#else\n", | |
101 | "#define NOARGS\n", | |
102 | "#define const\n", | |
103 | "#endif\n\n", | |
104 | "#include <afs/param.h>\n", | |
105 | "#include <afs/error_table.h>\n", | |
106 | "static const char * const text[] = {\n", | |
107 | 0, | |
108 | }; | |
109 | ||
110 | static const char warning[] = | |
111 | "/*\n * %s:\n * This file is automatically generated; please do not edit it.\n */\n"; | |
112 | ||
113 | static const char msf_warning[] = | |
114 | "$ \n$ %s:\n$ This file is automatically generated; please do not edit it.\n$ \n$set 1\n"; | |
115 | ||
116 | /* pathnames */ | |
117 | char c_file[MAXPATHLEN]; /* output file */ | |
118 | char h_file[MAXPATHLEN]; /* output */ | |
119 | char msf_file[MAXPATHLEN]; | |
120 | ||
121 | static void | |
122 | usage(void) | |
123 | { | |
124 | fprintf(stderr, | |
125 | "%s: usage: %s ERROR_TABLE [-debug] [-language LANG] [-h INCLUDE] [-p PREFIX] [-v VERSION] [-emit source|header]\n", | |
126 | whoami, whoami); | |
127 | exit(1); | |
128 | } | |
129 | ||
130 | static void | |
131 | dup_err(char const *type, char const *one, char const *two) | |
132 | { | |
133 | fprintf(stderr, "%s: multiple %s specified: `%s' and `%s'\n", whoami, | |
134 | type, one, two); | |
135 | usage(); | |
136 | } | |
137 | ||
138 | #include "AFS_component_version_number.c" | |
139 | ||
140 | int | |
141 | main(int argc, char **argv) | |
142 | { | |
143 | char *p, *ename; | |
144 | char *et_file; | |
145 | char const *const *cpp; | |
146 | int got_language = 0; | |
147 | char *got_include = 0; | |
148 | char *got_prefix = "."; | |
149 | int got_emit = 0; | |
150 | char lcname[6]; | |
151 | ||
152 | #ifdef AFS_AIX32_ENV | |
153 | /* | |
154 | * The following signal action for AIX is necessary so that in case of a | |
155 | * crash (i.e. core is generated) we can include the user's data section | |
156 | * in the core dump. Unfortunately, by default, only a partial core is | |
157 | * generated which, in many cases, isn't too useful. | |
158 | */ | |
159 | struct sigaction nsa; | |
160 | ||
161 | sigemptyset(&nsa.sa_mask); | |
162 | nsa.sa_handler = SIG_DFL; | |
163 | nsa.sa_flags = SA_FULLDUMP; | |
164 | sigaction(SIGSEGV, &nsa, NULL); | |
165 | #endif | |
166 | /* argument parsing */ | |
167 | debug = 0; | |
168 | filename = 0; | |
169 | whoami = argv[0]; | |
170 | p = strrchr(whoami, '/'); | |
171 | if (p) | |
172 | whoami = p + 1; | |
173 | while (--argc) { | |
174 | char *arg = *++argv; | |
175 | if (arg[0] != '-') { | |
176 | if (filename) | |
177 | dup_err("filenames", filename, arg); | |
178 | filename = arg; | |
179 | } else { | |
180 | arg++; | |
181 | if (check_arg(debug_args, arg)) | |
182 | debug++; | |
183 | else if (check_arg(lang_args, arg)) { | |
184 | got_language++; | |
185 | arg = *++argv; | |
186 | argc--; | |
187 | if (!arg) | |
188 | usage(); | |
189 | if (language) | |
190 | dup_err("languanges", language_names[(int)language], arg); | |
191 | ||
192 | #define check_lang(x,v) if (!strcasecmp(arg,x)) language = v | |
193 | check_lang("c", lang_C); | |
194 | check_lang("ansi_c", lang_C); | |
195 | check_lang("ansi-c", lang_C); | |
196 | check_lang("krc", lang_KRC); | |
197 | check_lang("kr_c", lang_KRC); | |
198 | check_lang("kr-c", lang_KRC); | |
199 | check_lang("k&r-c", lang_KRC); | |
200 | check_lang("k&r_c", lang_KRC); | |
201 | check_lang("c++", lang_CPP); | |
202 | check_lang("cplusplus", lang_CPP); | |
203 | check_lang("c-plus-plus", lang_CPP); | |
204 | #undef check_lang | |
205 | ||
206 | if (!language) { | |
207 | fprintf(stderr, "%s: unknown language name `%s'\n", | |
208 | whoami, arg); | |
209 | fprintf(stderr, "\tpick one of: C K&R-C\n"); | |
210 | exit(1); | |
211 | } | |
212 | } else if (strcmp(arg, "h") == 0) { | |
213 | arg = *++argv; | |
214 | argc--; | |
215 | if (!arg) | |
216 | usage(); | |
217 | got_include = arg; | |
218 | } else if (check_arg(prefix_args, arg)) { | |
219 | arg = *++argv; | |
220 | argc--; | |
221 | if (!arg) | |
222 | usage(); | |
223 | got_prefix = arg; | |
224 | } else if (strcmp(arg, "v") == 0) { | |
225 | arg = *++argv; | |
226 | argc--; | |
227 | if (arg == NULL) { | |
228 | fprintf(stderr, "%s: -v option requires an argument\n", | |
229 | whoami); | |
230 | usage(); | |
231 | exit(1); | |
232 | } | |
233 | version = atoi(arg); | |
234 | if (version != 1 && version != 2) { | |
235 | fprintf(stderr, "%s: unknown control argument -`%s'\n", | |
236 | whoami, arg); | |
237 | usage(); | |
238 | exit(1); | |
239 | } | |
240 | if (version == 2) | |
241 | use_msf = 1; | |
242 | } else if (check_arg(emit_args, arg)) { | |
243 | arg = *++argv; | |
244 | argc--; | |
245 | got_emit = 1; | |
246 | if (!strcasecmp(arg, "source")) { | |
247 | emit_source = 1; | |
248 | } else if (!strcasecmp(arg, "c")) { | |
249 | emit_source = 1; | |
250 | } else if (!strcasecmp(arg, "header")) { | |
251 | emit_header = 1; | |
252 | } else if (!strcasecmp(arg, "h")) { | |
253 | emit_header = 1; | |
254 | } else { | |
255 | fprintf(stderr, "%s: unknown emit argument - `%s'\n", | |
256 | whoami, arg); | |
257 | usage(); | |
258 | exit(1); | |
259 | } | |
260 | } else { | |
261 | fprintf(stderr, "%s: unknown control argument -`%s'\n", | |
262 | whoami, arg); | |
263 | usage(); | |
264 | } | |
265 | } | |
266 | } | |
267 | if (!filename) | |
268 | usage(); | |
269 | if (!got_language) | |
270 | language = lang_C; | |
271 | else if (language == lang_CPP) { | |
272 | fprintf(stderr, "%s: Sorry, C++ support is not yet finished.\n", | |
273 | whoami); | |
274 | exit(1); | |
275 | } | |
276 | ||
277 | if (!got_emit) { | |
278 | emit_source = emit_header = 1; /* generate both by default */ | |
279 | } | |
280 | ||
281 | p = strrchr(filename, '/'); | |
282 | if (p == NULL) | |
283 | p = filename; | |
284 | else | |
285 | p++; | |
286 | ename = xmalloc(strlen(p) + 5); | |
287 | strcpy(ename, p); | |
288 | ||
289 | /* Now, flush .et suffix if it exists. */ | |
290 | p = strrchr(ename, '.'); | |
291 | if (p != NULL) { | |
292 | if (strcmp(p, ".et") == 0) | |
293 | *p = 0; | |
294 | } | |
295 | ||
296 | if (emit_source) { | |
297 | if (use_msf) { | |
298 | sprintf(msf_file, "%s.msf", ename); | |
299 | } else { | |
300 | sprintf(c_file, "%s.c", ename); | |
301 | } | |
302 | } | |
303 | if (emit_header) { | |
304 | if (got_include) { | |
305 | sprintf(h_file, "%s.h", got_include); | |
306 | } else { | |
307 | sprintf(h_file, "%s.h", ename); | |
308 | } | |
309 | } | |
310 | p = strrchr(filename, '.'); | |
311 | if (p == NULL) { | |
312 | p = xmalloc(strlen(filename) + 4); | |
313 | sprintf(p, "%s.et", filename); | |
314 | filename = p; | |
315 | } | |
316 | ||
317 | if (asprintf(&et_file, "%s/%s", got_prefix, filename) < 0) { | |
318 | fprintf(stderr, "Couldn't allocate memory for filename\n"); | |
319 | exit(1); | |
320 | } | |
321 | ||
322 | yyin = fopen(et_file, "r"); | |
323 | if (!yyin) { | |
324 | perror(et_file); | |
325 | exit(1); | |
326 | } | |
327 | ||
328 | free(et_file); | |
329 | ||
330 | /* on NT, yyout is not initialized to stdout */ | |
331 | if (!yyout) { | |
332 | yyout = stdout; | |
333 | } | |
334 | ||
335 | if (emit_header) { | |
336 | hfile = fopen(h_file, "w"); | |
337 | if (hfile == NULL) { | |
338 | perror(h_file); | |
339 | exit(1); | |
340 | } | |
341 | fprintf(hfile, warning, h_file); | |
342 | } | |
343 | if (emit_header && got_include) { | |
344 | char buffer[BUFSIZ]; | |
345 | char prolog_h_file[MAXPATHLEN]; | |
346 | FILE *prolog_hfile; | |
347 | int count, written; | |
348 | ||
349 | strcpy(prolog_h_file, got_prefix); | |
350 | strcat(prolog_h_file, "/"); | |
351 | strcat(prolog_h_file, got_include); | |
352 | strcat(prolog_h_file, ".p.h"); | |
353 | prolog_hfile = fopen(prolog_h_file, "r"); | |
354 | if (prolog_hfile) { | |
355 | fprintf(stderr, "Including %s at beginning of %s file.\n", | |
356 | prolog_h_file, h_file); | |
357 | fprintf(hfile, "/* Including %s at beginning of %s file. */\n\n", | |
358 | prolog_h_file, h_file); | |
359 | do { | |
360 | count = | |
361 | fread(buffer, sizeof(char), sizeof(buffer), prolog_hfile); | |
362 | if (count == EOF) { | |
363 | perror(prolog_h_file); | |
364 | exit(1); | |
365 | } | |
366 | written = fwrite(buffer, sizeof(char), count, hfile); | |
367 | if (count != written) { | |
368 | perror(prolog_h_file); | |
369 | exit(1); | |
370 | } | |
371 | } while (count > 0); | |
372 | fprintf(hfile, "\n/* End of prolog file %s. */\n\n", | |
373 | prolog_h_file); | |
374 | } | |
375 | } | |
376 | ||
377 | if (emit_source && use_msf) { | |
378 | msfile = fopen(msf_file, "w"); | |
379 | if (msfile == NULL) { | |
380 | perror(msf_file); | |
381 | exit(1); | |
382 | } | |
383 | fprintf(msfile, msf_warning, msf_file); | |
384 | } else if (emit_source) { | |
385 | cfile = fopen(c_file, "w"); | |
386 | if (cfile == NULL) { | |
387 | perror(c_file); | |
388 | exit(1); | |
389 | } | |
390 | fprintf(cfile, warning, c_file); | |
391 | ||
392 | /* prologue */ | |
393 | if (language == lang_C) | |
394 | cpp = c_src_prolog; | |
395 | else if (language == lang_KRC) | |
396 | cpp = krc_src_prolog; | |
397 | else | |
398 | abort(); | |
399 | while (*cpp) | |
400 | fputs(*cpp++, cfile); | |
401 | } | |
402 | ||
403 | /* parse it */ | |
404 | yyparse(); | |
405 | fclose(yyin); /* bye bye input file */ | |
406 | ||
407 | if (!use_msf) { | |
408 | if (cfile) { | |
409 | fputs(" 0\n};\n\n", cfile); | |
410 | fprintf(cfile, | |
411 | "static const struct error_table et = { text, %ldL, %d };\n\n", | |
412 | (long int)table_number, current); | |
413 | fputs("static struct et_list etlink = { 0, &et};\n\n", cfile); | |
414 | fprintf(cfile, "void initialize_%s_error_table(void) {\n", | |
415 | table_name); | |
416 | fputs(" afs_add_to_error_table(&etlink);\n", cfile); | |
417 | fputs("}\n", cfile); | |
418 | fclose(cfile); | |
419 | } | |
420 | if (hfile) { | |
421 | fprintf(hfile, "extern void initialize_%s_error_table(void);\n", | |
422 | table_name); | |
423 | } | |
424 | } else { | |
425 | if (hfile) { | |
426 | fprintf(hfile, "#define initialize_%s_error_table(void)\n", | |
427 | table_name); | |
428 | } | |
429 | } | |
430 | ||
431 | if (hfile) { | |
432 | fprintf(hfile, "#define ERROR_TABLE_BASE_%s (%ldL)\n", table_name, | |
433 | (long int)table_number); | |
434 | /* compatibility... */ | |
435 | fprintf(hfile, "\n/* for compatibility with older versions... */\n"); | |
436 | fprintf(hfile, "#define init_%s_err_tbl initialize_%s_error_table\n", | |
437 | table_name, table_name); | |
438 | fprintf(hfile, "#define %s_err_base ERROR_TABLE_BASE_%s\n", | |
439 | table_name, table_name); | |
440 | fprintf(hfile, "\n/* for compatibility with other users... */\n"); | |
441 | lcstring(lcname, table_name, sizeof(lcname)); | |
442 | fprintf(hfile, "#define ERROR_TABLE_BASE_%s (%ldL)\n", lcname, | |
443 | (long int)table_number); | |
444 | fprintf(hfile, "#define init_%s_err_tbl initialize_%s_error_table\n", | |
445 | lcname, table_name); | |
446 | fprintf(hfile, | |
447 | "#define initialize_%s_error_table initialize_%s_error_table\n", | |
448 | lcname, table_name); | |
449 | fprintf(hfile, "#define %s_err_base ERROR_TABLE_BASE_%s\n", lcname, | |
450 | lcname); | |
451 | fclose(hfile); /* bye bye include file */ | |
452 | } | |
453 | if (msfile) | |
454 | fclose(msfile); | |
455 | return 0; | |
456 | } | |
457 | ||
458 | void | |
459 | yyerror(const char *s) | |
460 | { | |
461 | fputs(s, stderr); | |
462 | fprintf(stderr, "\nLine number %d; last token was '%s'\n", yylineno, | |
463 | current_token); | |
464 | } |