Update.
[glibc.git] / sunrpc / rpc_hout.c
blob076d63cb12d056ed10a620ee27e7e4ad526aadc5
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 or with the express written consent of
8 * Sun Microsystems, Inc.
10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
14 * Sun RPC is provided with no support and without any obligation on the
15 * part of Sun Microsystems, Inc. to assist in its use, correction,
16 * modification or enhancement.
18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
20 * OR ANY PART THEREOF.
22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue
23 * or profits or other special, indirect and consequential damages, even if
24 * Sun has been advised of the possibility of such damages.
26 * Sun Microsystems, Inc.
27 * 2550 Garcia Avenue
28 * Mountain View, California 94043
32 * From: @(#)rpc_hout.c 1.12 89/02/22 (C) 1987 SMI
34 char hout_rcsid[] =
35 "$Id$";
38 * rpc_hout.c, Header file outputter for the RPC protocol compiler
40 #include <stdio.h>
41 #include <ctype.h>
42 #include "rpc_parse.h"
43 #include "rpc_util.h"
44 #include "proto.h"
46 static void pconstdef (definition * def);
47 static void pargdef (definition * def);
48 static void pstructdef (definition * def);
49 static void puniondef (definition * def);
50 static void pdefine (const char *name, const char *num);
51 static int define_printed (proc_list * stop, version_list * start);
52 static void pprogramdef (definition * def);
53 static void parglist (proc_list * proc, const char *addargtype);
54 static void penumdef (definition * def);
55 static void ptypedef (definition * def);
56 static int undefined2 (const char *type, const char *stop);
58 /* store away enough information to allow the XDR functions to be spat
59 out at the end of the file */
61 static void
62 storexdrfuncdecl (const char *name, int pointerp)
64 xdrfunc * xdrptr;
66 xdrptr = (xdrfunc *) malloc(sizeof (struct xdrfunc));
68 xdrptr->name = (char *)name;
69 xdrptr->pointerp = pointerp;
70 xdrptr->next = NULL;
72 if (xdrfunc_tail == NULL)
74 xdrfunc_head = xdrptr;
75 xdrfunc_tail = xdrptr;
77 else
79 xdrfunc_tail->next = xdrptr;
80 xdrfunc_tail = xdrptr;
85 * Print the C-version of an xdr definition
87 void
88 print_datadef (definition *def)
91 if (def->def_kind == DEF_PROGRAM) /* handle data only */
92 return;
94 if (def->def_kind != DEF_CONST)
96 f_print (fout, "\n");
98 switch (def->def_kind)
100 case DEF_STRUCT:
101 pstructdef (def);
102 break;
103 case DEF_UNION:
104 puniondef (def);
105 break;
106 case DEF_ENUM:
107 penumdef (def);
108 break;
109 case DEF_TYPEDEF:
110 ptypedef (def);
111 break;
112 case DEF_PROGRAM:
113 pprogramdef (def);
114 break;
115 case DEF_CONST:
116 pconstdef (def);
117 break;
119 if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST)
121 storexdrfuncdecl(def->def_name,
122 def->def_kind != DEF_TYPEDEF ||
123 !isvectordef(def->def.ty.old_type,
124 def->def.ty.rel));
129 void
130 print_funcdef (definition *def)
132 switch (def->def_kind)
134 case DEF_PROGRAM:
135 f_print (fout, "\n");
136 pprogramdef (def);
137 break;
138 default:
139 break;
140 /* ?... shouldn't happen I guess */
144 void
145 print_xdr_func_def (char *name, int pointerp, int i)
147 if (i == 2)
149 f_print (fout, "extern bool_t xdr_%s ();\n", name);
150 return;
152 else
153 f_print(fout, "extern bool_t xdr_%s (XDR *, %s%s);\n", name,
154 name, pointerp ? "*" : "");
157 static void
158 pconstdef (definition *def)
160 pdefine (def->def_name, def->def.co);
163 /* print out the definitions for the arguments of functions in the
164 header file
166 static void
167 pargdef (definition * def)
169 decl_list *l;
170 version_list *vers;
171 const char *name;
172 proc_list *plist;
174 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next)
176 for (plist = vers->procs; plist != NULL;
177 plist = plist->next)
180 if (!newstyle || plist->arg_num < 2)
182 continue; /* old style or single args */
184 name = plist->args.argname;
185 f_print (fout, "struct %s {\n", name);
186 for (l = plist->args.decls;
187 l != NULL; l = l->next)
189 pdeclaration (name, &l->decl, 1, ";\n");
191 f_print (fout, "};\n");
192 f_print (fout, "typedef struct %s %s;\n", name, name);
193 storexdrfuncdecl (name, 1);
194 f_print (fout, "\n");
200 static void
201 pstructdef (definition *def)
203 decl_list *l;
204 const char *name = def->def_name;
206 f_print (fout, "struct %s {\n", name);
207 for (l = def->def.st.decls; l != NULL; l = l->next)
209 pdeclaration (name, &l->decl, 1, ";\n");
211 f_print (fout, "};\n");
212 f_print (fout, "typedef struct %s %s;\n", name, name);
215 static void
216 puniondef (definition *def)
218 case_list *l;
219 const char *name = def->def_name;
220 declaration *decl;
222 f_print (fout, "struct %s {\n", name);
223 decl = &def->def.un.enum_decl;
224 if (streq (decl->type, "bool"))
226 f_print (fout, "\tbool_t %s;\n", decl->name);
228 else
230 f_print (fout, "\t%s %s;\n", decl->type, decl->name);
232 f_print (fout, "\tunion {\n");
233 for (l = def->def.un.cases; l != NULL; l = l->next)
235 if (l->contflag == 0)
236 pdeclaration (name, &l->case_decl, 2, ";\n");
238 decl = def->def.un.default_decl;
239 if (decl && !streq (decl->type, "void"))
241 pdeclaration (name, decl, 2, ";\n");
243 f_print (fout, "\t} %s_u;\n", name);
244 f_print (fout, "};\n");
245 f_print (fout, "typedef struct %s %s;\n", name, name);
248 static void
249 pdefine (const char *name, const char *num)
251 f_print (fout, "#define %s %s\n", name, num);
254 static int
255 define_printed (proc_list *stop, version_list *start)
257 version_list *vers;
258 proc_list *proc;
260 for (vers = start; vers != NULL; vers = vers->next)
262 for (proc = vers->procs; proc != NULL; proc = proc->next)
264 if (proc == stop)
266 return 0;
268 else if (streq (proc->proc_name, stop->proc_name))
270 return 1;
274 abort ();
275 /* NOTREACHED */
278 static void
279 pfreeprocdef (const char *name, const char *vers, int mode)
281 f_print (fout, "extern int ");
282 pvname (name, vers);
283 if (mode == 1)
284 f_print (fout,"_freeresult (SVCXPRT *, xdrproc_t, caddr_t);\n");
285 else
286 f_print (fout,"_freeresult ();\n");
289 static void
290 pprogramdef (definition *def)
292 version_list *vers;
293 proc_list *proc;
294 int i;
295 const char *ext;
297 pargdef (def);
299 pdefine (def->def_name, def->def.pr.prog_num);
300 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next)
302 if (tblflag)
304 f_print (fout, "extern struct rpcgen_table %s_%s_table[];\n",
305 locase (def->def_name), vers->vers_num);
306 f_print (fout, "extern %s_%s_nproc;\n",
307 locase (def->def_name), vers->vers_num);
309 pdefine (vers->vers_name, vers->vers_num);
312 * Print out 2 definitions, one for ANSI-C, another for
313 * old K & R C
316 if(!Cflag)
318 ext = "extern ";
319 for (proc = vers->procs; proc != NULL;
320 proc = proc->next)
322 if (!define_printed(proc, def->def.pr.versions))
324 pdefine (proc->proc_name, proc->proc_num);
326 f_print (fout, "%s", ext);
327 pprocdef (proc, vers, NULL, 0, 2);
329 if (mtflag)
331 f_print(fout, "%s", ext);
332 pprocdef (proc, vers, NULL, 1, 2);
335 pfreeprocdef (def->def_name, vers->vers_num, 2);
337 else
339 for (i = 1; i < 3; i++)
341 if (i == 1)
343 f_print (fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
344 ext = "extern ";
346 else
348 f_print (fout, "\n#else /* K&R C */\n");
349 ext = "extern ";
352 for (proc = vers->procs; proc != NULL; proc = proc->next)
354 if (!define_printed(proc, def->def.pr.versions))
356 pdefine(proc->proc_name, proc->proc_num);
358 f_print (fout, "%s", ext);
359 pprocdef (proc, vers, "CLIENT *", 0, i);
360 f_print (fout, "%s", ext);
361 pprocdef (proc, vers, "struct svc_req *", 1, i);
363 pfreeprocdef (def->def_name, vers->vers_num, i);
365 f_print (fout, "#endif /* K&R C */\n");
370 void
371 pprocdef (proc_list * proc, version_list * vp,
372 const char *addargtype, int server_p, int mode)
374 if (mtflag)
375 {/* Print MT style stubs */
376 if (server_p)
377 f_print (fout, "bool_t ");
378 else
379 f_print (fout, "enum clnt_stat ");
381 else
383 ptype (proc->res_prefix, proc->res_type, 1);
384 f_print (fout, "* ");
386 if (server_p)
387 pvname_svc (proc->proc_name, vp->vers_num);
388 else
389 pvname (proc->proc_name, vp->vers_num);
392 * mode 1 = ANSI-C, mode 2 = K&R C
394 if (mode == 1)
395 parglist (proc, addargtype);
396 else
397 f_print (fout, "();\n");
400 /* print out argument list of procedure */
401 static void
402 parglist (proc_list *proc, const char *addargtype)
404 decl_list *dl;
406 f_print(fout,"(");
407 if (proc->arg_num < 2 && newstyle &&
408 streq (proc->args.decls->decl.type, "void"))
410 /* 0 argument in new style: do nothing */
412 else
414 for (dl = proc->args.decls; dl != NULL; dl = dl->next)
416 ptype (dl->decl.prefix, dl->decl.type, 1);
417 if (!newstyle)
418 f_print (fout, "*"); /* old style passes by reference */
420 f_print (fout, ", ");
423 if (mtflag)
425 ptype(proc->res_prefix, proc->res_type, 1);
426 f_print(fout, "*, ");
429 f_print (fout, "%s);\n", addargtype);
432 static void
433 penumdef (definition *def)
435 const char *name = def->def_name;
436 enumval_list *l;
437 const char *last = NULL;
438 int count = 0;
440 f_print (fout, "enum %s {\n", name);
441 for (l = def->def.en.vals; l != NULL; l = l->next)
443 f_print (fout, "\t%s", l->name);
444 if (l->assignment)
446 f_print (fout, " = %s", l->assignment);
447 last = l->assignment;
448 count = 1;
450 else
452 if (last == NULL)
454 f_print (fout, " = %d", count++);
456 else
458 f_print (fout, " = %s + %d", last, count++);
461 f_print (fout, ",\n");
463 f_print (fout, "};\n");
464 f_print (fout, "typedef enum %s %s;\n", name, name);
467 static void
468 ptypedef (definition *def)
470 const char *name = def->def_name;
471 const char *old = def->def.ty.old_type;
472 char prefix[8]; /* enough to contain "struct ", including NUL */
473 relation rel = def->def.ty.rel;
475 if (!streq (name, old))
477 if (streq (old, "string"))
479 old = "char";
480 rel = REL_POINTER;
482 else if (streq (old, "opaque"))
484 old = "char";
486 else if (streq (old, "bool"))
488 old = "bool_t";
490 if (undefined2 (old, name) && def->def.ty.old_prefix)
492 s_print (prefix, "%s ", def->def.ty.old_prefix);
494 else
496 prefix[0] = 0;
498 f_print (fout, "typedef ");
499 switch (rel)
501 case REL_ARRAY:
502 f_print (fout, "struct {\n");
503 f_print (fout, "\tu_int %s_len;\n", name);
504 f_print (fout, "\t%s%s *%s_val;\n", prefix, old, name);
505 f_print (fout, "} %s", name);
506 break;
507 case REL_POINTER:
508 f_print (fout, "%s%s *%s", prefix, old, name);
509 break;
510 case REL_VECTOR:
511 f_print (fout, "%s%s %s[%s]", prefix, old, name,
512 def->def.ty.array_max);
513 break;
514 case REL_ALIAS:
515 f_print (fout, "%s%s %s", prefix, old, name);
516 break;
518 f_print (fout, ";\n");
522 void
523 pdeclaration (const char *name, declaration * dec, int tab,
524 const char *separator)
526 char buf[8]; /* enough to hold "struct ", include NUL */
527 const char *prefix;
528 const char *type;
530 if (streq (dec->type, "void"))
532 return;
534 tabify (fout, tab);
535 if (streq (dec->type, name) && !dec->prefix)
537 f_print (fout, "struct ");
539 if (streq (dec->type, "string"))
541 f_print (fout, "char *%s", dec->name);
543 else
545 prefix = "";
546 if (streq (dec->type, "bool"))
548 type = "bool_t";
550 else if (streq (dec->type, "opaque"))
552 type = "char";
554 else
556 if (dec->prefix)
558 s_print (buf, "%s ", dec->prefix);
559 prefix = buf;
561 type = dec->type;
563 switch (dec->rel)
565 case REL_ALIAS:
566 f_print (fout, "%s%s %s", prefix, type, dec->name);
567 break;
568 case REL_VECTOR:
569 f_print (fout, "%s%s %s[%s]", prefix, type, dec->name,
570 dec->array_max);
571 break;
572 case REL_POINTER:
573 f_print (fout, "%s%s *%s", prefix, type, dec->name);
574 break;
575 case REL_ARRAY:
576 f_print (fout, "struct {\n");
577 tabify (fout, tab);
578 f_print (fout, "\tu_int %s_len;\n", dec->name);
579 tabify (fout, tab);
580 f_print (fout, "\t%s%s *%s_val;\n", prefix, type, dec->name);
581 tabify (fout, tab);
582 f_print (fout, "} %s", dec->name);
583 break;
586 f_print (fout, separator);
589 static int
590 undefined2 (const char *type, const char *stop)
592 list *l;
593 definition *def;
595 for (l = defined; l != NULL; l = l->next)
597 def = (definition *) l->val;
598 if (def->def_kind != DEF_PROGRAM)
600 if (streq (def->def_name, stop))
602 return 1;
604 else if (streq (def->def_name, type))
606 return 0;
610 return 1;