Commit | Line | Data |
---|---|---|
7c57a955 | 1 | static char sccsid[] = "@(#)pc.c 3.7 %G%"; |
aa358624 BJ |
2 | #include <stdio.h> |
3 | #include <signal.h> | |
4 | #include <wait.h> | |
5 | ||
6 | /* | |
4c675422 | 7 | * Pc - front end for Pascal compiler. |
aa358624 | 8 | */ |
5d9fd577 BJ |
9 | char *pc0 = "/usr/lib/pc0"; |
10 | char *pc1 = "/lib/f1"; | |
11 | char *pc2 = "/usr/lib/pc2"; | |
12 | char *c2 = "/lib/c2"; | |
13 | char *pc3 = "/usr/lib/pc3"; | |
14 | char *ld = "/bin/ld"; | |
15 | char *as = "/bin/as"; | |
aa358624 | 16 | char *lpc = "-lpc"; |
5d9fd577 BJ |
17 | char *crt0 = "/lib/crt0.o"; |
18 | char *mcrt0 = "/lib/mcrt0.o"; | |
aa358624 BJ |
19 | |
20 | char *mktemp(); | |
21 | char *tname[2]; | |
22 | char *tfile[2]; | |
23 | ||
24 | char *setsuf(), *savestr(); | |
25 | ||
5d9fd577 | 26 | int Jflag, Sflag, Oflag, cflag, gflag, pflag; |
aa358624 BJ |
27 | int debug; |
28 | ||
29 | #define NARGS 512 | |
30 | int ldargx = 3; | |
31 | int pc0argx = 3; | |
32 | char *pc0args[NARGS] = { "pc0", "-o", "XXX" }; | |
33 | char *pc1args[3] = { "pc1", 0, }; | |
34 | char *pc2args[2] = { "pc2", 0 }; | |
35 | char *c2args[4] = { "c2", 0, 0, 0 }; | |
36 | int pc3argx = 1; | |
37 | #define pc3args pc0args | |
38 | #define ldargs pc0args | |
39 | /* char *pc3args[NARGS] = { "pc3", 0 }; */ | |
5d9fd577 BJ |
40 | /* char *ldargs[NARGS] = { "ld", "-X", "/lib/crt0.o", 0, }; */ |
41 | int asargx; | |
42 | char *asargs[6] = { "as", 0, }; | |
aa358624 BJ |
43 | |
44 | /* | |
45 | * If the number of .p arguments (np) is 1, and the number of .o arguments | |
46 | * (nxo) is 0, and we successfully create an ``a.out'', then we remove | |
47 | * the one .ps .o file (onepso). | |
48 | */ | |
49 | int np, nxo; | |
50 | char *onepso; | |
51 | int errs; | |
52 | ||
53 | int onintr(); | |
54 | ||
55 | main(argc, argv) | |
56 | int argc; | |
57 | char **argv; | |
58 | { | |
59 | register char *argp; | |
60 | register int i; | |
61 | int savargx; | |
62 | char *t, c; | |
63 | int j; | |
64 | ||
65 | argc--, argv++; | |
66 | if (argc == 0) { | |
67 | execl("/bin/cat", "cat", "/usr/lib/how_pc"); | |
68 | exit(1); | |
69 | } | |
70 | if (signal(SIGINT, SIG_IGN) != SIG_IGN) { | |
71 | signal(SIGINT, onintr); | |
72 | signal(SIGTERM, onintr); | |
73 | } | |
74 | for (i = 0; i < argc; i++) { | |
75 | argp = argv[i]; | |
76 | if (argp[0] != '-') | |
77 | continue; | |
78 | switch (argp[1]) { | |
79 | ||
80 | case 'd': | |
81 | if (argp[2] == 0) | |
82 | debug++; | |
83 | continue; | |
84 | case 'i': | |
85 | pc0args[pc0argx++] = "-i"; | |
86 | while (i+1 < argc && argv[i+1][0] != '-' && | |
87 | getsuf(argv[i+1]) != 'p') { | |
88 | pc0args[pc0argx++] = argv[i+1]; | |
89 | i++; | |
90 | } | |
91 | if (i+1 == argc) { | |
92 | fprintf(stderr, "pc: bad -i construction\n"); | |
93 | exit(1); | |
94 | } | |
95 | continue; | |
96 | case 'o': | |
97 | i++; | |
98 | if (i == argc) { | |
99 | fprintf(stderr, "pc: -o must specify file\n"); | |
100 | exit(1); | |
101 | } | |
102 | c = getsuf(argv[i]); | |
103 | if (c == 'o' || c == 'p' || c == 'c') { | |
104 | fprintf(stderr, "pc: -o would overwrite %s\n", | |
105 | argv[i]); | |
106 | exit(1); | |
107 | } | |
108 | continue; | |
109 | case 'O': | |
110 | Oflag = 1; | |
111 | continue; | |
112 | case 'S': | |
113 | Sflag = 1; | |
114 | continue; | |
5d9fd577 BJ |
115 | case 'J': |
116 | Jflag = 1; | |
117 | continue; | |
aa358624 BJ |
118 | case 'T': |
119 | switch (argp[2]) { | |
120 | ||
121 | case '0': | |
5d9fd577 | 122 | pc0 = "/usr/src/cmd/pc0/a.out"; |
aa358624 BJ |
123 | continue; |
124 | case '1': | |
5d9fd577 | 125 | pc1 = "/usr/src/cmd/pcc/pc1"; |
aa358624 BJ |
126 | continue; |
127 | case '2': | |
5d9fd577 | 128 | pc2 = "/usr/src/cmd/pc2/a.out"; |
aa358624 BJ |
129 | continue; |
130 | case '3': | |
5d9fd577 | 131 | pc3 = "/usr/src/cmd/pc3/a.out"; |
aa358624 BJ |
132 | continue; |
133 | case 'l': | |
7c57a955 | 134 | lpc = "/usr/src/lib/libpc/pclib"; |
aa358624 BJ |
135 | continue; |
136 | } | |
137 | continue; | |
138 | case 'c': | |
139 | cflag = 1; | |
140 | continue; | |
141 | case 'l': | |
142 | if (argp[2]) | |
143 | continue; | |
144 | /* fall into ... */ | |
145 | case 'b': | |
146 | case 'g': | |
147 | case 's': | |
148 | case 'w': | |
149 | case 'z': | |
150 | case 'C': | |
151 | pc0args[pc0argx++] = argp; | |
152 | if (argp[1] == 'g') | |
153 | gflag = 1; | |
154 | continue; | |
155 | case 't': | |
156 | fprintf(stderr, "pc: -t is default; -C for checking\n"); | |
157 | continue; | |
158 | case 'p': | |
4c675422 BJ |
159 | crt0 = mcrt0; |
160 | pflag++; | |
161 | continue; | |
aa358624 BJ |
162 | } |
163 | } | |
164 | if (gflag && Oflag) { | |
165 | fprintf(stderr, "pc: warning: -g overrides -O\n"); | |
166 | Oflag = 0; | |
167 | } | |
168 | tname[0] = mktemp("/tmp/p0XXXXXX"); | |
169 | tname[1] = mktemp("/tmp/p1XXXXXX"); | |
170 | savargx = pc0argx; | |
171 | for (i = 0; i < argc; i++) { | |
172 | argp = argv[i]; | |
173 | if (argp[0] == '-') | |
174 | continue; | |
7c57a955 PK |
175 | if (suffix(argp) == 's') { |
176 | asargx = 1; | |
177 | if (Jflag) | |
178 | asargs[asargx++] = "-J"; | |
179 | asargs[asargx++] = argp; | |
180 | asargs[asargx++] = "-o"; | |
181 | tfile[1] = setsuf(argp, 'o'); | |
182 | asargs[asargx++] = tfile[1]; | |
183 | asargs[asargx] = 0; | |
184 | if (dosys(as, asargs, 0, 0)) | |
185 | continue; | |
186 | tfile[1] = 0; | |
187 | continue; | |
188 | } | |
aa358624 BJ |
189 | if (suffix(argp) != 'p') |
190 | continue; | |
191 | tfile[0] = tname[0]; | |
192 | pc0args[2] = tfile[0]; | |
193 | pc0argx = savargx; | |
4c675422 BJ |
194 | if (pflag) |
195 | pc0args[pc0argx++] = "-p"; | |
aa358624 BJ |
196 | pc0args[pc0argx++] = argp; |
197 | pc0args[pc0argx] = 0; | |
198 | if (dosys(pc0, pc0args, 0, 0)) | |
199 | continue; | |
200 | pc1args[1] = tfile[0]; | |
4c675422 | 201 | tfile[1] = tname[1]; |
aa358624 BJ |
202 | if (dosys(pc1, pc1args, 0, tfile[1])) |
203 | continue; | |
204 | unlink(tfile[0]); | |
4c675422 BJ |
205 | if (Sflag && !Oflag) |
206 | tfile[0] = setsuf(argp, 's'); | |
207 | else | |
208 | tfile[0] = tname[0]; | |
aa358624 BJ |
209 | if (dosys(pc2, pc2args, tfile[1], tfile[0])) |
210 | continue; | |
211 | unlink(tfile[1]); | |
212 | tfile[1] = 0; | |
213 | if (Oflag) { | |
214 | if (Sflag) | |
215 | tfile[1] = setsuf(argp, 's'); | |
216 | else | |
4c675422 | 217 | tfile[1] = tname[1]; |
aa358624 BJ |
218 | if (dosys(c2, c2args, tfile[0], tfile[1])) |
219 | continue; | |
220 | unlink(tfile[0]); | |
221 | tfile[0] = tfile[1]; | |
222 | tfile[1] = 0; | |
223 | } | |
4c675422 BJ |
224 | if (Sflag) { |
225 | tfile[0] = 0; | |
aa358624 | 226 | continue; |
4c675422 | 227 | } |
5d9fd577 BJ |
228 | asargx = 1; |
229 | if (Jflag) | |
230 | asargs[asargx++] = "-J"; | |
231 | asargs[asargx++] = tfile[0]; | |
232 | asargs[asargx++] = "-o"; | |
aa358624 | 233 | tfile[1] = setsuf(argp, 'o'); |
5d9fd577 BJ |
234 | asargs[asargx++] = tfile[1]; |
235 | asargs[asargx] = 0; | |
aa358624 BJ |
236 | if (dosys(as, asargs, 0, 0)) |
237 | continue; | |
238 | tfile[1] = 0; | |
239 | remove(); | |
240 | } | |
241 | if (errs || cflag || Sflag) | |
242 | done(); | |
243 | /* char *pc3args[NARGS] = { "pc3", 0 }; */ | |
244 | pc3args[0] = "pc3"; | |
245 | for (i = 0; i < argc; i++) { | |
246 | argp = argv[i]; | |
247 | if (!strcmp(argp, "-o")) | |
248 | i++; | |
249 | if (argp[0] == '-') | |
250 | continue; | |
251 | switch (getsuf(argp)) { | |
252 | ||
aa358624 BJ |
253 | case 'o': |
254 | pc3args[pc3argx++] = argp; | |
255 | nxo++; | |
256 | continue; | |
7c57a955 | 257 | case 's': |
aa358624 BJ |
258 | case 'p': |
259 | onepso = pc3args[pc3argx++] = | |
260 | savestr(setsuf(argp, 'o')); | |
261 | np++; | |
262 | continue; | |
263 | } | |
264 | } | |
265 | pc3args[pc3argx] = 0; | |
266 | if (dosys(pc3, pc3args, 0, 0)) | |
267 | done(); | |
5d9fd577 | 268 | /* char *ldargs[NARGS] = { "ld", "-X", "/lib/crt0.o", 0, }; */ |
aa358624 BJ |
269 | ldargs[0] = "ld"; |
270 | ldargs[1] = "-X"; | |
4c675422 | 271 | ldargs[2] = crt0; |
aa358624 BJ |
272 | for (i = 0; i < argc; i++) { |
273 | argp = argv[i]; | |
274 | if (argp[0] != '-') { | |
275 | switch (getsuf(argp)) { | |
276 | ||
277 | case 'p': | |
7c57a955 | 278 | case 's': |
aa358624 BJ |
279 | ldargs[ldargx] = savestr(setsuf(argp, 'o')); |
280 | break; | |
281 | default: | |
282 | ldargs[ldargx] = argp; | |
283 | break; | |
284 | } | |
285 | if (getsuf(ldargs[ldargx]) == 'o') | |
286 | for (j = 0; j < ldargx; j++) | |
287 | if (!strcmp(ldargs[j], ldargs[ldargx])) | |
288 | goto duplicate; | |
289 | ldargx++; | |
290 | duplicate: | |
291 | continue; | |
292 | } | |
293 | switch (argp[1]) { | |
294 | ||
295 | case 'i': | |
296 | while (i+1 < argc && argv[i+1][0] != '-' && | |
297 | getsuf(argv[i+1]) != 'p') | |
298 | i++; | |
299 | continue; | |
300 | case 'd': | |
301 | if (argp[2] == 0) | |
302 | continue; | |
303 | ldargs[ldargx++] = argp; | |
304 | continue; | |
305 | case 'o': | |
306 | ldargs[ldargx++] = argp; | |
307 | i++; | |
308 | ldargs[ldargx++] = argv[i]; | |
309 | continue; | |
310 | case 'l': | |
311 | if (argp[2]) | |
312 | ldargs[ldargx++] = argp; | |
313 | continue; | |
314 | case 'c': | |
315 | case 'g': | |
316 | case 'w': | |
317 | case 'p': | |
318 | case 'S': | |
5d9fd577 | 319 | case 'J': |
aa358624 BJ |
320 | case 'T': |
321 | case 'O': | |
322 | case 'C': | |
323 | case 'b': | |
324 | case 's': | |
325 | case 'z': | |
326 | continue; | |
327 | default: | |
328 | ldargs[ldargx++] = argp; | |
329 | continue; | |
330 | } | |
331 | } | |
332 | ldargs[ldargx++] = lpc; | |
333 | if (gflag) | |
334 | ldargs[ldargx++] = "-lg"; | |
66b4ffec | 335 | ldargs[ldargx++] = "-lm"; |
c7fbd6ac | 336 | ldargs[ldargx++] = "-lc"; |
aa358624 BJ |
337 | ldargs[ldargx] = 0; |
338 | if (dosys(ld, ldargs, 0, 0)==0 && np == 1 && nxo == 0) | |
339 | unlink(onepso); | |
340 | done(); | |
341 | } | |
342 | ||
343 | dosys(cmd, argv, in, out) | |
344 | char *cmd, **argv, *in, *out; | |
345 | { | |
346 | union wait status; | |
347 | int pid; | |
348 | ||
349 | if (debug) { | |
350 | int i; | |
351 | printf("%s:", cmd); | |
352 | for (i = 0; argv[i]; i++) | |
353 | printf(" %s", argv[i]); | |
354 | if (in) | |
355 | printf(" <%s", in); | |
356 | if (out) | |
357 | printf(" >%s", out); | |
358 | printf("\n"); | |
359 | } | |
360 | pid = vfork(); | |
361 | if (pid < 0) { | |
362 | fprintf(stderr, "pc: No more processes\n"); | |
363 | done(); | |
364 | } | |
365 | if (pid == 0) { | |
366 | if (in) { | |
367 | close(0); | |
368 | if (open(in, 0) != 0) { | |
369 | perror(in); | |
370 | exit(1); | |
371 | } | |
372 | } | |
373 | if (out) { | |
374 | close(1); | |
375 | unlink(out); | |
376 | if (creat(out, 0666) != 1) { | |
377 | perror(out); | |
378 | exit(1); | |
379 | } | |
380 | } | |
381 | signal(SIGINT, SIG_DFL); | |
382 | execv(cmd, argv); | |
383 | perror(cmd); | |
384 | exit(1); | |
385 | } | |
386 | while (wait(&status) != pid) | |
387 | ; | |
388 | if (WIFSIGNALED(status)) { | |
389 | if (status.w_termsig != SIGINT) | |
390 | fprintf(stderr, "Fatal error in %s\n", cmd); | |
391 | errs = 100; | |
392 | done(); | |
393 | /*NOTREACHED*/ | |
394 | } | |
395 | if (status.w_retcode) { | |
396 | errs = 1; | |
397 | remove(); | |
398 | } | |
399 | return (status.w_retcode); | |
400 | } | |
401 | ||
402 | done() | |
403 | { | |
404 | ||
405 | remove(); | |
406 | exit(errs); | |
407 | } | |
408 | ||
409 | remove() | |
410 | { | |
411 | ||
412 | if (tfile[0]) | |
413 | unlink(tfile[0]); | |
414 | if (tfile[1]) | |
415 | unlink(tfile[1]); | |
416 | } | |
417 | ||
418 | onintr() | |
419 | { | |
420 | ||
421 | errs = 1; | |
422 | done(); | |
423 | } | |
424 | ||
425 | getsuf(cp) | |
426 | char *cp; | |
427 | { | |
428 | ||
429 | if (*cp == 0) | |
430 | return; | |
431 | while (cp[1]) | |
432 | cp++; | |
433 | if (cp[-1] != '.') | |
434 | return (0); | |
435 | return (*cp); | |
436 | } | |
437 | ||
aa358624 | 438 | char * |
4c675422 BJ |
439 | setsuf(as, ch) |
440 | char *as; | |
aa358624 | 441 | { |
4c675422 BJ |
442 | register char *s, *s1; |
443 | ||
444 | s = s1 = savestr(as); | |
445 | while (*s) | |
446 | if (*s++ == '/') | |
447 | s1 = s; | |
448 | s[-1] = ch; | |
449 | return (s1); | |
aa358624 BJ |
450 | } |
451 | ||
452 | #define NSAVETAB 512 | |
453 | char *savetab; | |
454 | int saveleft; | |
455 | ||
456 | char * | |
457 | savestr(cp) | |
458 | register char *cp; | |
459 | { | |
460 | register int len; | |
461 | ||
462 | len = strlen(cp) + 1; | |
463 | if (len > saveleft) { | |
464 | saveleft = NSAVETAB; | |
465 | if (len > saveleft) | |
466 | saveleft = len; | |
467 | savetab = (char *)malloc(saveleft); | |
468 | if (savetab == 0) { | |
469 | fprintf(stderr, "ran out of memory (savestr)\n"); | |
470 | exit(1); | |
471 | } | |
472 | } | |
473 | strncpy(savetab, cp, len); | |
474 | cp = savetab; | |
475 | savetab += len; | |
476 | return (cp); | |
477 | } | |
478 | ||
479 | suffix(cp) | |
480 | char *cp; | |
481 | { | |
482 | ||
483 | if (cp[0] == 0 || cp[1] == 0) | |
484 | return (0); | |
485 | while (cp[1]) | |
486 | cp++; | |
487 | if (cp[-1] == '.') | |
488 | return (*cp); | |
489 | return (0); | |
490 | } |