Update.
[glibc.git] / sunrpc / rpc_hout.c
blob4c49d10bbef698581093751bc7d6e0a735855508
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 void puldefine (const char *name, const char *num);
52 static int define_printed (proc_list * stop, version_list * start);
53 static void pprogramdef (definition * def);
54 static void parglist (proc_list * proc, const char *addargtype);
55 static void penumdef (definition * def);
56 static void ptypedef (definition * def);
57 static int undefined2 (const char *type, const char *stop);
59 /* store away enough information to allow the XDR functions to be spat
60 out at the end of the file */
62 void
63 storexdrfuncdecl (const char *name, int pointerp)
65 xdrfunc * xdrptr;
67 xdrptr = (xdrfunc *) malloc(sizeof (struct xdrfunc));
69 xdrptr->name = (char *)name;
70 xdrptr->pointerp = pointerp;
71 xdrptr->next = NULL;
73 if (xdrfunc_tail == NULL)
75 xdrfunc_head = xdrptr;
76 xdrfunc_tail = xdrptr;
78 else
80 xdrfunc_tail->next = xdrptr;
81 xdrfunc_tail = xdrptr;
86 * Print the C-version of an xdr definition
88 void
89 print_datadef (definition *def)
92 if (def->def_kind == DEF_PROGRAM) /* handle data only */
93 return;
95 if (def->def_kind != DEF_CONST)
97 f_print (fout, "\n");
99 switch (def->def_kind)
101 case DEF_STRUCT:
102 pstructdef (def);
103 break;
104 case DEF_UNION:
105 puniondef (def);
106 break;
107 case DEF_ENUM:
108 penumdef (def);
109 break;
110 case DEF_TYPEDEF:
111 ptypedef (def);
112 break;
113 case DEF_PROGRAM:
114 pprogramdef (def);
115 break;
116 case DEF_CONST:
117 pconstdef (def);
118 break;
120 if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST)
122 storexdrfuncdecl(def->def_name,
123 def->def_kind != DEF_TYPEDEF ||
124 !isvectordef(def->def.ty.old_type,
125 def->def.ty.rel));
130 void
131 print_funcdef (definition *def)
133 switch (def->def_kind)
135 case DEF_PROGRAM:
136 f_print (fout, "\n");
137 pprogramdef (def);
138 break;
139 default:
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, 0);
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 void
255 puldefine (const char *name, const char *num)
257 f_print (fout, "#define %s ((u_long)%s)\n", name, num);
260 static int
261 define_printed (proc_list *stop, version_list *start)
263 version_list *vers;
264 proc_list *proc;
266 for (vers = start; vers != NULL; vers = vers->next)
268 for (proc = vers->procs; proc != NULL; proc = proc->next)
270 if (proc == stop)
272 return 0;
274 else if (streq (proc->proc_name, stop->proc_name))
276 return 1;
280 abort ();
281 /* NOTREACHED */
284 static void
285 pfreeprocdef (const char *name, const char *vers, int mode)
287 f_print (fout, "extern int ");
288 pvname (name, vers);
289 if (mode == 1)
290 f_print (fout,"_freeresult (SVCXPRT *, xdrproc_t, caddr_t);\n");
291 else
292 f_print (fout,"_freeresult ();\n");
295 static void
296 pprogramdef (definition *def)
298 version_list *vers;
299 proc_list *proc;
300 int i;
301 const char *ext;
303 pargdef (def);
305 puldefine (def->def_name, def->def.pr.prog_num);
306 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next)
308 if (tblflag)
310 f_print (fout, "extern struct rpcgen_table %s_%s_table[];\n",
311 locase (def->def_name), vers->vers_num);
312 f_print (fout, "extern %s_%s_nproc;\n",
313 locase (def->def_name), vers->vers_num);
315 puldefine (vers->vers_name, vers->vers_num);
318 * Print out 2 definitions, one for ANSI-C, another for
319 * old K & R C
322 if(!Cflag)
324 ext = "extern ";
325 for (proc = vers->procs; proc != NULL;
326 proc = proc->next)
328 if (!define_printed(proc, def->def.pr.versions))
330 puldefine (proc->proc_name, proc->proc_num);
332 f_print (fout, "%s", ext);
333 pprocdef (proc, vers, NULL, 0, 2);
335 if (mtflag)
337 f_print(fout, "%s", ext);
338 pprocdef (proc, vers, NULL, 1, 2);
341 pfreeprocdef (def->def_name, vers->vers_num, 2);
343 else
345 for (i = 1; i < 3; i++)
347 if (i == 1)
349 f_print (fout, "\n#if defined(__STDC__) || defined(__cplusplus)\n");
350 ext = "extern ";
352 else
354 f_print (fout, "\n#else /* K&R C */\n");
355 ext = "extern ";
358 for (proc = vers->procs; proc != NULL; proc = proc->next)
360 if (!define_printed(proc, def->def.pr.versions))
362 puldefine(proc->proc_name, proc->proc_num);
364 f_print (fout, "%s", ext);
365 pprocdef (proc, vers, "CLIENT *", 0, i);
366 f_print (fout, "%s", ext);
367 pprocdef (proc, vers, "struct svc_req *", 1, i);
369 pfreeprocdef (def->def_name, vers->vers_num, i);
371 f_print (fout, "#endif /* K&R C */\n");
376 void
377 pprocdef (proc_list * proc, version_list * vp,
378 const char *addargtype, int server_p, int mode)
380 if (mtflag)
381 {/* Print MT style stubs */
382 if (server_p)
383 f_print (fout, "bool_t ");
384 else
385 f_print (fout, "enum clnt_stat ");
387 else
389 ptype (proc->res_prefix, proc->res_type, 1);
390 f_print (fout, "* ");
392 if (server_p)
393 pvname_svc (proc->proc_name, vp->vers_num);
394 else
395 pvname (proc->proc_name, vp->vers_num);
398 * mode 1 = ANSI-C, mode 2 = K&R C
400 if (mode == 1)
401 parglist (proc, addargtype);
402 else
403 f_print (fout, "();\n");
406 /* print out argument list of procedure */
407 static void
408 parglist (proc_list *proc, const char *addargtype)
410 decl_list *dl;
412 f_print(fout,"(");
413 if (proc->arg_num < 2 && newstyle &&
414 streq (proc->args.decls->decl.type, "void"))
416 /* 0 argument in new style: do nothing */
418 else
420 for (dl = proc->args.decls; dl != NULL; dl = dl->next)
422 ptype (dl->decl.prefix, dl->decl.type, 1);
423 if (!newstyle)
424 f_print (fout, "*"); /* old style passes by reference */
426 f_print (fout, ", ");
429 if (mtflag)
431 ptype(proc->res_prefix, proc->res_type, 1);
432 f_print(fout, "*, ");
435 f_print (fout, "%s);\n", addargtype);
438 static void
439 penumdef (definition *def)
441 const char *name = def->def_name;
442 enumval_list *l;
443 const char *last = NULL;
444 int count = 0;
446 f_print (fout, "enum %s {\n", name);
447 for (l = def->def.en.vals; l != NULL; l = l->next)
449 f_print (fout, "\t%s", l->name);
450 if (l->assignment)
452 f_print (fout, " = %s", l->assignment);
453 last = l->assignment;
454 count = 1;
456 else
458 if (last == NULL)
460 f_print (fout, " = %d", count++);
462 else
464 f_print (fout, " = %s + %d", last, count++);
467 f_print (fout, ",\n");
469 f_print (fout, "};\n");
470 f_print (fout, "typedef enum %s %s;\n", name, name);
473 static void
474 ptypedef (definition *def)
476 const char *name = def->def_name;
477 const char *old = def->def.ty.old_type;
478 char prefix[8]; /* enough to contain "struct ", including NUL */
479 relation rel = def->def.ty.rel;
481 if (!streq (name, old))
483 if (streq (old, "string"))
485 old = "char";
486 rel = REL_POINTER;
488 else if (streq (old, "opaque"))
490 old = "char";
492 else if (streq (old, "bool"))
494 old = "bool_t";
496 if (undefined2 (old, name) && def->def.ty.old_prefix)
498 s_print (prefix, "%s ", def->def.ty.old_prefix);
500 else
502 prefix[0] = 0;
504 f_print (fout, "typedef ");
505 switch (rel)
507 case REL_ARRAY:
508 f_print (fout, "struct {\n");
509 f_print (fout, "\tu_int %s_len;\n", name);
510 f_print (fout, "\t%s%s *%s_val;\n", prefix, old, name);
511 f_print (fout, "} %s", name);
512 break;
513 case REL_POINTER:
514 f_print (fout, "%s%s *%s", prefix, old, name);
515 break;
516 case REL_VECTOR:
517 f_print (fout, "%s%s %s[%s]", prefix, old, name,
518 def->def.ty.array_max);
519 break;
520 case REL_ALIAS:
521 f_print (fout, "%s%s %s", prefix, old, name);
522 break;
524 f_print (fout, ";\n");
528 void
529 pdeclaration (const char *name, declaration * dec, int tab,
530 const char *separator)
532 char buf[8]; /* enough to hold "struct ", include NUL */
533 const char *prefix;
534 const char *type;
536 if (streq (dec->type, "void"))
538 return;
540 tabify (fout, tab);
541 if (streq (dec->type, name) && !dec->prefix)
543 f_print (fout, "struct ");
545 if (streq (dec->type, "string"))
547 f_print (fout, "char *%s", dec->name);
549 else
551 prefix = "";
552 if (streq (dec->type, "bool"))
554 type = "bool_t";
556 else if (streq (dec->type, "opaque"))
558 type = "char";
560 else
562 if (dec->prefix)
564 s_print (buf, "%s ", dec->prefix);
565 prefix = buf;
567 type = dec->type;
569 switch (dec->rel)
571 case REL_ALIAS:
572 f_print (fout, "%s%s %s", prefix, type, dec->name);
573 break;
574 case REL_VECTOR:
575 f_print (fout, "%s%s %s[%s]", prefix, type, dec->name,
576 dec->array_max);
577 break;
578 case REL_POINTER:
579 f_print (fout, "%s%s *%s", prefix, type, dec->name);
580 break;
581 case REL_ARRAY:
582 f_print (fout, "struct {\n");
583 tabify (fout, tab);
584 f_print (fout, "\tu_int %s_len;\n", dec->name);
585 tabify (fout, tab);
586 f_print (fout, "\t%s%s *%s_val;\n", prefix, type, dec->name);
587 tabify (fout, tab);
588 f_print (fout, "} %s", dec->name);
589 break;
592 f_print (fout, separator);
595 static int
596 undefined2 (const char *type, const char *stop)
598 list *l;
599 definition *def;
601 for (l = defined; l != NULL; l = l->next)
603 def = (definition *) l->val;
604 if (def->def_kind != DEF_PROGRAM)
606 if (streq (def->def_name, stop))
608 return 1;
610 else if (streq (def->def_name, type))
612 return 0;
616 return 1;