Initial import from FreeBSD RELENG_4:
[dragonfly.git] / usr.bin / rpcgen / rpc_hout.c
CommitLineData
984263bc
MD
1/*
2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
3 * unrestricted use provided that this legend is included on all tape
4 * media and as a part of the software program in whole or part. Users
5 * may copy or modify Sun RPC without charge, but are not authorized
6 * to license or distribute it to anyone else except as part of a product or
7 * program developed by the user.
8 *
9 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
10 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
11 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
12 *
13 * Sun RPC is provided with no support and without any obligation on the
14 * part of Sun Microsystems, Inc. to assist in its use, correction,
15 * modification or enhancement.
16 *
17 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
18 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
19 * OR ANY PART THEREOF.
20 *
21 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
22 * or profits or other special, indirect and consequential damages, even if
23 * Sun has been advised of the possibility of such damages.
24 *
25 * Sun Microsystems, Inc.
26 * 2550 Garcia Avenue
27 * Mountain View, California 94043
28 */
29
30#ident "@(#)rpc_hout.c 1.16 94/04/25 SMI"
31
32#ifndef lint
33static char sccsid[] = "@(#)rpc_hout.c 1.12 89/02/22 (C) 1987 SMI";
34#endif
35
36/*
37 * rpc_hout.c, Header file outputter for the RPC protocol compiler
38 * Copyright (C) 1987, Sun Microsystems, Inc.
39 */
40#include <stdio.h>
41#include <ctype.h>
42#include "rpc_parse.h"
43#include "rpc_util.h"
44
45void storexdrfuncdecl __P(( char *, int ));
46static void pconstdef __P(( definition * ));
47static void pstructdef __P(( definition * ));
48static void puniondef __P(( definition * ));
49static void pprogramdef __P(( definition * ));
50static void pstructdef __P(( definition * ));
51static void penumdef __P(( definition * ));
52static void ptypedef __P(( definition * ));
53static void pdefine __P(( char *, char * ));
54static int undefined2 __P(( char *, char * ));
55static void parglist __P(( proc_list *, char * ));
56static void pprocdef __P(( proc_list *, version_list *, char *, int, int ));
57void pdeclaration __P(( char *, declaration *, int, char * ));
58
59static char RESULT[] = "clnt_res";
60
61
62/*
63 * Print the C-version of an xdr definition
64 */
65void
66print_datadef(def)
67 definition *def;
68{
69
70 if (def->def_kind == DEF_PROGRAM) /* handle data only */
71 return;
72
73 if (def->def_kind != DEF_CONST) {
74 f_print(fout, "\n");
75 }
76 switch (def->def_kind) {
77 case DEF_STRUCT:
78 pstructdef(def);
79 break;
80 case DEF_UNION:
81 puniondef(def);
82 break;
83 case DEF_ENUM:
84 penumdef(def);
85 break;
86 case DEF_TYPEDEF:
87 ptypedef(def);
88 break;
89 case DEF_PROGRAM:
90 pprogramdef(def);
91 break;
92 case DEF_CONST:
93 pconstdef(def);
94 break;
95 }
96 if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST) {
97 storexdrfuncdecl(def->def_name,
98 def->def_kind != DEF_TYPEDEF ||
99 !isvectordef(def->def.ty.old_type,
100 def->def.ty.rel));
101 }
102}
103
104
105void
106print_funcdef(def)
107 definition *def;
108{
109 switch (def->def_kind) {
110 case DEF_PROGRAM:
111 f_print(fout, "\n");
112 pprogramdef(def);
113 break;
114 default:
115 }
116}
117
118/* store away enough information to allow the XDR functions to be spat
119 out at the end of the file */
120
121void
122storexdrfuncdecl(name, pointerp)
123char *name;
124int pointerp;
125{
126 xdrfunc * xdrptr;
127
128 xdrptr = (xdrfunc *) malloc(sizeof (struct xdrfunc));
129
130 xdrptr->name = name;
131 xdrptr->pointerp = pointerp;
132 xdrptr->next = NULL;
133
134 if (xdrfunc_tail == NULL){
135 xdrfunc_head = xdrptr;
136 xdrfunc_tail = xdrptr;
137 } else {
138 xdrfunc_tail->next = xdrptr;
139 xdrfunc_tail = xdrptr;
140 }
141
142
143}
144
145void
146print_xdr_func_def(name, pointerp, i)
147char* name;
148int pointerp;
149int i;
150{
151 if (i == 2) {
152 f_print(fout, "extern bool_t xdr_%s();\n", name);
153 return;
154 }
155 else
156 f_print(fout, "extern bool_t xdr_%s(XDR *, %s%s);\n", name,
157 name, pointerp ? "*" : "");
158
159
160}
161
162
163static void
164pconstdef(def)
165 definition *def;
166{
167 pdefine(def->def_name, def->def.co);
168}
169
170/* print out the definitions for the arguments of functions in the
171 header file
172*/
173static void
174pargdef(def)
175 definition *def;
176{
177 decl_list *l;
178 version_list *vers;
179 char *name;
180 proc_list *plist;
181
182
183 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) {
184 for (plist = vers->procs; plist != NULL;
185 plist = plist->next) {
186
187 if (!newstyle || plist->arg_num < 2) {
188 continue; /* old style or single args */
189 }
190 name = plist->args.argname;
191 f_print(fout, "struct %s {\n", name);
192 for (l = plist->args.decls;
193 l != NULL; l = l->next) {
194 pdeclaration(name, &l->decl, 1,
195 ";\n");
196 }
197 f_print(fout, "};\n");
198 f_print(fout, "typedef struct %s %s;\n",
199 name, name);
200 storexdrfuncdecl(name, 1);
201 f_print(fout, "\n");
202 }
203 }
204}
205
206
207static void
208pstructdef(def)
209 definition *def;
210{
211 decl_list *l;
212 char *name = def->def_name;
213
214 f_print(fout, "struct %s {\n", name);
215 for (l = def->def.st.decls; l != NULL; l = l->next) {
216 pdeclaration(name, &l->decl, 1, ";\n");
217 }
218 f_print(fout, "};\n");
219 f_print(fout, "typedef struct %s %s;\n", name, name);
220}
221
222static void
223puniondef(def)
224 definition *def;
225{
226 case_list *l;
227 char *name = def->def_name;
228 declaration *decl;
229
230 f_print(fout, "struct %s {\n", name);
231 decl = &def->def.un.enum_decl;
232 if (streq(decl->type, "bool")) {
233 f_print(fout, "\tbool_t %s;\n", decl->name);
234 } else {
235 f_print(fout, "\t%s %s;\n", decl->type, decl->name);
236 }
237 f_print(fout, "\tunion {\n");
238 for (l = def->def.un.cases; l != NULL; l = l->next) {
239 if (l->contflag == 0)
240 pdeclaration(name, &l->case_decl, 2, ";\n");
241 }
242 decl = def->def.un.default_decl;
243 if (decl && !streq(decl->type, "void")) {
244 pdeclaration(name, decl, 2, ";\n");
245 }
246 f_print(fout, "\t} %s_u;\n", name);
247 f_print(fout, "};\n");
248 f_print(fout, "typedef struct %s %s;\n", name, name);
249}
250
251static void
252pdefine(name, num)
253 char *name;
254 char *num;
255{
256 f_print(fout, "#define\t%s %s\n", name, num);
257}
258
259static void
260puldefine(name, num)
261 char *name;
262 char *num;
263{
264 f_print(fout, "#define\t%s ((unsigned long)(%s))\n", name, num);
265}
266
267static int
268define_printed(stop, start)
269 proc_list *stop;
270 version_list *start;
271{
272 version_list *vers;
273 proc_list *proc;
274
275 for (vers = start; vers != NULL; vers = vers->next) {
276 for (proc = vers->procs; proc != NULL; proc = proc->next) {
277 if (proc == stop) {
278 return (0);
279 } else if (streq(proc->proc_name, stop->proc_name)) {
280 return (1);
281 }
282 }
283 }
284 abort();
285 /* NOTREACHED */
286}
287
288static void
289pfreeprocdef(char * name, char *vers, int mode)
290{
291 f_print(fout, "extern int ");
292 pvname(name, vers);
293 if (mode == 1)
294 f_print(fout,"_freeresult(SVCXPRT *, xdrproc_t, caddr_t);\n");
295 else
296 f_print(fout,"_freeresult();\n");
297
298
299}
300
301static void
302pprogramdef(def)
303 definition *def;
304{
305 version_list *vers;
306 proc_list *proc;
307 int i;
308 char *ext;
309
310 pargdef(def);
311
312 puldefine(def->def_name, def->def.pr.prog_num);
313 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) {
314 if (tblflag) {
315 f_print(fout,
316 "extern struct rpcgen_table %s_%s_table[];\n",
317 locase(def->def_name), vers->vers_num);
318 f_print(fout,
319 "extern %s_%s_nproc;\n",
320 locase(def->def_name), vers->vers_num);
321 }
322 puldefine(vers->vers_name, vers->vers_num);
323
324 /*
325 * Print out 2 definitions, one for ANSI-C, another for
326 * old K & R C
327 */
328
329 if(!Cflag){
330 ext = "extern ";
331 for (proc = vers->procs; proc != NULL;
332 proc = proc->next) {
333 if (!define_printed(proc,
334 def->def.pr.versions)) {
335 puldefine(proc->proc_name,
336 proc->proc_num);
337 }
338 f_print(fout, "%s", ext);
339 pprocdef(proc, vers, NULL, 0, 2);
340
341 if (mtflag) {
342 f_print(fout, "%s", ext);
343 pprocdef(proc, vers, NULL, 1, 2);
344 }
345 }
346 pfreeprocdef(def->def_name, vers->vers_num, 2);
347
348 } else {
349 for (i = 1; i < 3; i++){
350 if (i == 1){
351 f_print(fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
352 ext = "extern ";
353 }else{
354 f_print(fout, "\n#else /* K&R C */\n");
355 ext = "extern ";
356 }
357
358 for (proc = vers->procs; proc != NULL;
359 proc = proc->next) {
360 if (!define_printed(proc,
361 def->def.pr.versions)) {
362 puldefine(proc->proc_name,
363 proc->proc_num);
364 }
365 f_print(fout, "%s", ext);
366 pprocdef(proc, vers, "CLIENT *", 0, i);
367 f_print(fout, "%s", ext);
368 pprocdef(proc, vers, "struct svc_req *", 1, i);
369 }
370 pfreeprocdef(def->def_name, vers->vers_num, i);
371 }
372 f_print(fout, "#endif /* K&R C */\n");
373 }
374 }
375}
376
377static void
378pprocdef(proc, vp, addargtype, server_p, mode)
379 proc_list *proc;
380 version_list *vp;
381 char* addargtype;
382 int server_p;
383 int mode;
384{
385 if (mtflag) {/* Print MT style stubs */
386 if (server_p)
387 f_print(fout, "bool_t ");
388 else
389 f_print(fout, "enum clnt_stat ");
390 } else {
391 ptype(proc->res_prefix, proc->res_type, 1);
392 f_print(fout, "* ");
393 }
394 if (server_p)
395 pvname_svc(proc->proc_name, vp->vers_num);
396 else
397 pvname(proc->proc_name, vp->vers_num);
398
399 /*
400 * mode 1 = ANSI-C, mode 2 = K&R C
401 */
402 if ( mode == 1)
403 parglist(proc, addargtype);
404 else
405 f_print(fout, "();\n");
406}
407
408
409
410/* print out argument list of procedure */
411static void
412parglist(proc, addargtype)
413 proc_list *proc;
414 char* addargtype;
415{
416 decl_list *dl;
417
418 f_print(fout, "(");
419 if (proc->arg_num < 2 && newstyle &&
420 streq(proc->args.decls->decl.type, "void")) {
421 /* 0 argument in new style: do nothing*/
422 }
423 else {
424 for (dl = proc->args.decls; dl != NULL; dl = dl->next) {
425 ptype(dl->decl.prefix, dl->decl.type, 1);
426 if (!newstyle)
427 f_print(fout, "*");
428 /* old style passes by reference */
429 f_print(fout, ", ");
430 }
431 }
432
433 if (mtflag) {
434 ptype(proc->res_prefix, proc->res_type, 1);
435 f_print(fout, "*, ");
436 }
437
438 f_print(fout, "%s);\n", addargtype);
439
440}
441
442static void
443penumdef(def)
444 definition *def;
445{
446 char *name = def->def_name;
447 enumval_list *l;
448 char *last = NULL;
449 int count = 0;
450
451 f_print(fout, "enum %s {\n", name);
452 for (l = def->def.en.vals; l != NULL; l = l->next) {
453 f_print(fout, "\t%s", l->name);
454 if (l->assignment) {
455 f_print(fout, " = %s", l->assignment);
456 last = l->assignment;
457 count = 1;
458 } else {
459 if (last == NULL) {
460 f_print(fout, " = %d", count++);
461 } else {
462 f_print(fout, " = %s + %d", last, count++);
463 }
464 }
465 if (l->next)
466 f_print(fout, ",\n");
467 else
468 f_print(fout, "\n");
469 }
470 f_print(fout, "};\n");
471 f_print(fout, "typedef enum %s %s;\n", name, name);
472}
473
474static void
475ptypedef(def)
476 definition *def;
477{
478 char *name = def->def_name;
479 char *old = def->def.ty.old_type;
480 char prefix[8]; /* enough to contain "struct ", including NUL */
481 relation rel = def->def.ty.rel;
482
483
484 if (!streq(name, old)) {
485 if (streq(old, "string")) {
486 old = "char";
487 rel = REL_POINTER;
488 } else if (streq(old, "opaque")) {
489 old = "char";
490 } else if (streq(old, "bool")) {
491 old = "bool_t";
492 }
493 if (undefined2(old, name) && def->def.ty.old_prefix) {
494 s_print(prefix, "%s ", def->def.ty.old_prefix);
495 } else {
496 prefix[0] = 0;
497 }
498 f_print(fout, "typedef ");
499 switch (rel) {
500 case REL_ARRAY:
501 f_print(fout, "struct {\n");
502 f_print(fout, "\tu_int %s_len;\n", name);
503 f_print(fout, "\t%s%s *%s_val;\n", prefix, old, name);
504 f_print(fout, "} %s", name);
505 break;
506 case REL_POINTER:
507 f_print(fout, "%s%s *%s", prefix, old, name);
508 break;
509 case REL_VECTOR:
510 f_print(fout, "%s%s %s[%s]", prefix, old, name,
511 def->def.ty.array_max);
512 break;
513 case REL_ALIAS:
514 f_print(fout, "%s%s %s", prefix, old, name);
515 break;
516 }
517 f_print(fout, ";\n");
518 }
519}
520
521void
522pdeclaration(name, dec, tab, separator)
523 char *name;
524 declaration *dec;
525 int tab;
526 char *separator;
527{
528 char buf[8]; /* enough to hold "struct ", include NUL */
529 char *prefix;
530 char *type;
531
532 if (streq(dec->type, "void")) {
533 return;
534 }
535 tabify(fout, tab);
536 if (streq(dec->type, name) && !dec->prefix) {
537 f_print(fout, "struct ");
538 }
539 if (streq(dec->type, "string")) {
540 f_print(fout, "char *%s", dec->name);
541 } else {
542 prefix = "";
543 if (streq(dec->type, "bool")) {
544 type = "bool_t";
545 } else if (streq(dec->type, "opaque")) {
546 type = "char";
547 } else {
548 if (dec->prefix) {
549 s_print(buf, "%s ", dec->prefix);
550 prefix = buf;
551 }
552 type = dec->type;
553 }
554 switch (dec->rel) {
555 case REL_ALIAS:
556 f_print(fout, "%s%s %s", prefix, type, dec->name);
557 break;
558 case REL_VECTOR:
559 f_print(fout, "%s%s %s[%s]", prefix, type, dec->name,
560 dec->array_max);
561 break;
562 case REL_POINTER:
563 f_print(fout, "%s%s *%s", prefix, type, dec->name);
564 break;
565 case REL_ARRAY:
566 f_print(fout, "struct {\n");
567 tabify(fout, tab);
568 f_print(fout, "\tu_int %s_len;\n", dec->name);
569 tabify(fout, tab);
570 f_print(fout,
571 "\t%s%s *%s_val;\n", prefix, type, dec->name);
572 tabify(fout, tab);
573 f_print(fout, "} %s", dec->name);
574 break;
575 }
576 }
577 f_print(fout, separator);
578}
579
580static int
581undefined2(type, stop)
582 char *type;
583 char *stop;
584{
585 list *l;
586 definition *def;
587
588 for (l = defined; l != NULL; l = l->next) {
589 def = (definition *) l->val;
590 if (def->def_kind != DEF_PROGRAM) {
591 if (streq(def->def_name, stop)) {
592 return (1);
593 } else if (streq(def->def_name, type)) {
594 return (0);
595 }
596 }
597 }
598 return (1);
599}