rpc_hout.c revision 200462
11590Srgrimes/* 21590Srgrimes * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 31590Srgrimes * unrestricted use provided that this legend is included on all tape 41590Srgrimes * media and as a part of the software program in whole or part. Users 51590Srgrimes * may copy or modify Sun RPC without charge, but are not authorized 61590Srgrimes * to license or distribute it to anyone else except as part of a product or 71590Srgrimes * program developed by the user. 81590Srgrimes * 91590Srgrimes * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 101590Srgrimes * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 111590Srgrimes * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 121590Srgrimes * 131590Srgrimes * Sun RPC is provided with no support and without any obligation on the 141590Srgrimes * part of Sun Microsystems, Inc. to assist in its use, correction, 151590Srgrimes * modification or enhancement. 161590Srgrimes * 171590Srgrimes * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 181590Srgrimes * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 191590Srgrimes * OR ANY PART THEREOF. 201590Srgrimes * 211590Srgrimes * In no event will Sun Microsystems, Inc. be liable for any lost revenue 221590Srgrimes * or profits or other special, indirect and consequential damages, even if 231590Srgrimes * Sun has been advised of the possibility of such damages. 241590Srgrimes * 251590Srgrimes * Sun Microsystems, Inc. 261590Srgrimes * 2550 Garcia Avenue 271590Srgrimes * Mountain View, California 94043 281590Srgrimes */ 291590Srgrimes 301590Srgrimes#if 0 311590Srgrimes#ifndef lint 321590Srgrimes#ident "@(#)rpc_hout.c 1.16 94/04/25 SMI" 331590Srgrimesstatic char sccsid[] = "@(#)rpc_hout.c 1.12 89/02/22 (C) 1987 SMI"; 341590Srgrimes#endif 351590Srgrimes#endif 361590Srgrimes 371590Srgrimes#include <sys/cdefs.h> 381590Srgrimes__FBSDID("$FreeBSD: head/usr.bin/rpcgen/rpc_hout.c 200462 2009-12-13 03:14:06Z delphij $"); 391590Srgrimes 401590Srgrimes/* 411590Srgrimes * rpc_hout.c, Header file outputter for the RPC protocol compiler 421590Srgrimes * Copyright (C) 1987, Sun Microsystems, Inc. 431590Srgrimes */ 441590Srgrimes#include <stdio.h> 451590Srgrimes#include <ctype.h> 461590Srgrimes#include "rpc_parse.h" 471590Srgrimes#include "rpc_scan.h" 481590Srgrimes#include "rpc_util.h" 491590Srgrimes 501590Srgrimesvoid storexdrfuncdecl(const char *, int ); 511590Srgrimesstatic void pconstdef( definition * ); 521590Srgrimesstatic void pstructdef( definition * ); 531590Srgrimesstatic void puniondef( definition * ); 541590Srgrimesstatic void pprogramdef( definition *, int ); 551590Srgrimesstatic void penumdef( definition * ); 561590Srgrimesstatic void ptypedef( definition * ); 571590Srgrimesstatic void pdefine(const char *, const char *); 581590Srgrimesstatic int undefined2(const char *, const char *); 591590Srgrimesstatic void parglist(proc_list *, const char *); 601590Srgrimesstatic void pprocdef(proc_list *, version_list *, const char *, int); 611590Srgrimes 621590Srgrimes/* 631590Srgrimes * Print the C-version of an xdr definition 641590Srgrimes */ 651590Srgrimesvoid 661590Srgrimesprint_datadef(definition *def, int headeronly) 671590Srgrimes{ 681590Srgrimes 691590Srgrimes if (def->def_kind == DEF_PROGRAM) /* handle data only */ 701590Srgrimes return; 711590Srgrimes 721590Srgrimes if (def->def_kind != DEF_CONST) { 731590Srgrimes f_print(fout, "\n"); 741590Srgrimes } 751590Srgrimes switch (def->def_kind) { 761590Srgrimes case DEF_STRUCT: 771590Srgrimes pstructdef(def); 781590Srgrimes break; 791590Srgrimes case DEF_UNION: 801590Srgrimes puniondef(def); 811590Srgrimes break; 821590Srgrimes case DEF_ENUM: 831590Srgrimes penumdef(def); 841590Srgrimes break; 851590Srgrimes case DEF_TYPEDEF: 861590Srgrimes ptypedef(def); 871590Srgrimes break; 881590Srgrimes case DEF_PROGRAM: 891590Srgrimes pprogramdef(def, headeronly); 901590Srgrimes break; 911590Srgrimes case DEF_CONST: 921590Srgrimes pconstdef(def); 931590Srgrimes break; 941590Srgrimes } 951590Srgrimes if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST) { 961590Srgrimes storexdrfuncdecl(def->def_name, 971590Srgrimes def->def_kind != DEF_TYPEDEF || 981590Srgrimes !isvectordef(def->def.ty.old_type, 991590Srgrimes def->def.ty.rel)); 1001590Srgrimes } 1011590Srgrimes} 1021590Srgrimes 1031590Srgrimes 1041590Srgrimesvoid 1051590Srgrimesprint_funcdef(definition *def, int headeronly) 1061590Srgrimes{ 1071590Srgrimes switch (def->def_kind) { 1081590Srgrimes case DEF_PROGRAM: 1091590Srgrimes f_print(fout, "\n"); 1101590Srgrimes pprogramdef(def, headeronly); 1111590Srgrimes break; 1121590Srgrimes default: 1131590Srgrimes break; 1141590Srgrimes } 1151590Srgrimes} 1161590Srgrimes 1171590Srgrimes/* store away enough information to allow the XDR functions to be spat 1181590Srgrimes out at the end of the file */ 1191590Srgrimes 1201590Srgrimesvoid 1211590Srgrimesstorexdrfuncdecl(const char *name, int pointerp) 1221590Srgrimes{ 1231590Srgrimes xdrfunc * xdrptr; 1241590Srgrimes 1251590Srgrimes xdrptr = XALLOC(struct xdrfunc); 1261590Srgrimes 1271590Srgrimes xdrptr->name = name; 1281590Srgrimes xdrptr->pointerp = pointerp; 1291590Srgrimes xdrptr->next = NULL; 1301590Srgrimes 1311590Srgrimes if (xdrfunc_tail == NULL){ 1321590Srgrimes xdrfunc_head = xdrptr; 1331590Srgrimes xdrfunc_tail = xdrptr; 1341590Srgrimes } else { 1351590Srgrimes xdrfunc_tail->next = xdrptr; 1361590Srgrimes xdrfunc_tail = xdrptr; 1371590Srgrimes } 1381590Srgrimes 1391590Srgrimes 1401590Srgrimes} 1411590Srgrimes 1421590Srgrimesvoid 1431590Srgrimesprint_xdr_func_def(const char *name, int pointerp) 1441590Srgrimes{ 1451590Srgrimes f_print(fout, "extern bool_t xdr_%s(XDR *, %s%s);\n", name, 1461590Srgrimes name, pointerp ? "*" : ""); 1471590Srgrimes} 1481590Srgrimes 1491590Srgrimes 1501590Srgrimesstatic void 1511590Srgrimespconstdef(def) 1521590Srgrimes definition *def; 1531590Srgrimes{ 1541590Srgrimes pdefine(def->def_name, def->def.co); 1551590Srgrimes} 1561590Srgrimes 1571590Srgrimes/* print out the definitions for the arguments of functions in the 1581590Srgrimes header file 1591590Srgrimes*/ 1601590Srgrimesstatic void 1611590Srgrimespargdef(definition *def) 1621590Srgrimes{ 1631590Srgrimes decl_list *l; 1641590Srgrimes version_list *vers; 1651590Srgrimes char *name; 1661590Srgrimes proc_list *plist; 1671590Srgrimes 1681590Srgrimes 1691590Srgrimes for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 1701590Srgrimes for (plist = vers->procs; plist != NULL; 1711590Srgrimes plist = plist->next) { 1721590Srgrimes 1731590Srgrimes if (!newstyle || plist->arg_num < 2) { 1741590Srgrimes continue; /* old style or single args */ 1751590Srgrimes } 1761590Srgrimes name = plist->args.argname; 1771590Srgrimes f_print(fout, "struct %s {\n", name); 1781590Srgrimes for (l = plist->args.decls; 1791590Srgrimes l != NULL; l = l->next) { 1801590Srgrimes pdeclaration(name, &l->decl, 1, 1811590Srgrimes ";\n"); 1821590Srgrimes } 1831590Srgrimes f_print(fout, "};\n"); 1841590Srgrimes f_print(fout, "typedef struct %s %s;\n", 1851590Srgrimes name, name); 1861590Srgrimes storexdrfuncdecl(name, 1); 1871590Srgrimes f_print(fout, "\n"); 1881590Srgrimes } 1891590Srgrimes } 1901590Srgrimes} 1911590Srgrimes 1921590Srgrimes 1931590Srgrimesstatic void 1941590Srgrimespstructdef(definition *def) 1951590Srgrimes{ 1961590Srgrimes decl_list *l; 1971590Srgrimes const char *name = def->def_name; 1981590Srgrimes 1991590Srgrimes f_print(fout, "struct %s {\n", name); 2001590Srgrimes for (l = def->def.st.decls; l != NULL; l = l->next) { 2011590Srgrimes pdeclaration(name, &l->decl, 1, ";\n"); 2021590Srgrimes } 20317339Sadam f_print(fout, "};\n"); 20417339Sadam f_print(fout, "typedef struct %s %s;\n", name, name); 20517339Sadam} 20617339Sadam 20717339Sadamstatic void 2081590Srgrimespuniondef(def) 2091590Srgrimes definition *def; 2101590Srgrimes{ 2111590Srgrimes case_list *l; 2121590Srgrimes const char *name = def->def_name; 2131590Srgrimes declaration *decl; 2141590Srgrimes 2151590Srgrimes f_print(fout, "struct %s {\n", name); 2161590Srgrimes decl = &def->def.un.enum_decl; 2171590Srgrimes if (streq(decl->type, "bool")) { 2181590Srgrimes f_print(fout, "\tbool_t %s;\n", decl->name); 2191590Srgrimes } else { 2201590Srgrimes f_print(fout, "\t%s %s;\n", decl->type, decl->name); 2211590Srgrimes } 2221590Srgrimes f_print(fout, "\tunion {\n"); 2231590Srgrimes for (l = def->def.un.cases; l != NULL; l = l->next) { 2241590Srgrimes if (l->contflag == 0) 2251590Srgrimes pdeclaration(name, &l->case_decl, 2, ";\n"); 2261590Srgrimes } 2271590Srgrimes decl = def->def.un.default_decl; 2281590Srgrimes if (decl && !streq(decl->type, "void")) { 2291590Srgrimes pdeclaration(name, decl, 2, ";\n"); 2301590Srgrimes } 2311590Srgrimes f_print(fout, "\t} %s_u;\n", name); 2321590Srgrimes f_print(fout, "};\n"); 2331590Srgrimes f_print(fout, "typedef struct %s %s;\n", name, name); 2341590Srgrimes} 2351590Srgrimes 2361590Srgrimesstatic void 2371590Srgrimespdefine(const char *name, const char *num) 2381590Srgrimes{ 2391590Srgrimes f_print(fout, "#define\t%s %s\n", name, num); 2401590Srgrimes} 2411590Srgrimes 2421590Srgrimesstatic void 2431590Srgrimespuldefine(const char *name, const char *num) 2441590Srgrimes{ 2451590Srgrimes f_print(fout, "#define\t%s ((unsigned long)(%s))\n", name, num); 2461590Srgrimes} 2471590Srgrimes 2481590Srgrimesstatic int 2491590Srgrimesdefine_printed(proc_list *stop, version_list *start) 2501590Srgrimes{ 2511590Srgrimes version_list *vers; 2521590Srgrimes proc_list *proc; 2531590Srgrimes 2541590Srgrimes for (vers = start; vers != NULL; vers = vers->next) { 2551590Srgrimes for (proc = vers->procs; proc != NULL; proc = proc->next) { 2561590Srgrimes if (proc == stop) { 2571590Srgrimes return (0); 2581590Srgrimes } else if (streq(proc->proc_name, stop->proc_name)) { 2591590Srgrimes return (1); 2601590Srgrimes } 2611590Srgrimes } 2621590Srgrimes } 2631590Srgrimes abort(); 2641590Srgrimes /* NOTREACHED */ 265} 266 267static void 268pfreeprocdef(const char * name, const char *vers) 269{ 270 f_print(fout, "extern int "); 271 pvname(name, vers); 272 f_print(fout, "_freeresult(SVCXPRT *, xdrproc_t, caddr_t);\n"); 273} 274 275static void 276pdispatch(const char * name, const char *vers) 277{ 278 279 f_print(fout, "void "); 280 pvname(name, vers); 281 f_print(fout, "(struct svc_req *rqstp, SVCXPRT *transp);\n"); 282} 283 284static void 285pprogramdef(definition *def, int headeronly) 286{ 287 version_list *vers; 288 proc_list *proc; 289 const char *ext; 290 291 pargdef(def); 292 293 puldefine(def->def_name, def->def.pr.prog_num); 294 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 295 if (tblflag) { 296 f_print(fout, 297 "extern struct rpcgen_table %s_%s_table[];\n", 298 locase(def->def_name), vers->vers_num); 299 f_print(fout, 300 "extern %s_%s_nproc;\n", 301 locase(def->def_name), vers->vers_num); 302 } 303 puldefine(vers->vers_name, vers->vers_num); 304 305 f_print(fout, "\n"); 306 ext = "extern "; 307 if (headeronly) { 308 f_print(fout, "%s", ext); 309 pdispatch(def->def_name, vers->vers_num); 310 } 311 for (proc = vers->procs; proc != NULL; proc = proc->next) { 312 if (!define_printed(proc, def->def.pr.versions)) { 313 puldefine(proc->proc_name, proc->proc_num); 314 } 315 f_print(fout, "%s", ext); 316 pprocdef(proc, vers, "CLIENT *", 0); 317 f_print(fout, "%s", ext); 318 pprocdef(proc, vers, "struct svc_req *", 1); 319 } 320 pfreeprocdef(def->def_name, vers->vers_num); 321 } 322} 323 324static void 325pprocdef(proc_list *proc, version_list *vp, const char *addargtype, int server_p) 326{ 327 if (mtflag) {/* Print MT style stubs */ 328 if (server_p) 329 f_print(fout, "bool_t "); 330 else 331 f_print(fout, "enum clnt_stat "); 332 } else { 333 ptype(proc->res_prefix, proc->res_type, 1); 334 f_print(fout, "* "); 335 } 336 if (server_p) 337 pvname_svc(proc->proc_name, vp->vers_num); 338 else 339 pvname(proc->proc_name, vp->vers_num); 340 341 parglist(proc, addargtype); 342} 343 344 345 346/* print out argument list of procedure */ 347static void 348parglist(proc_list *proc, const char *addargtype) 349{ 350 decl_list *dl; 351 352 f_print(fout, "("); 353 if (proc->arg_num < 2 && newstyle && 354 streq(proc->args.decls->decl.type, "void")) { 355 /* 0 argument in new style: do nothing*/ 356 } 357 else { 358 for (dl = proc->args.decls; dl != NULL; dl = dl->next) { 359 ptype(dl->decl.prefix, dl->decl.type, 1); 360 if (!newstyle) 361 f_print(fout, "*"); 362 /* old style passes by reference */ 363 f_print(fout, ", "); 364 } 365 } 366 367 if (mtflag) { 368 ptype(proc->res_prefix, proc->res_type, 1); 369 f_print(fout, "*, "); 370 } 371 372 f_print(fout, "%s);\n", addargtype); 373 374} 375 376static void 377penumdef(def) 378 definition *def; 379{ 380 const char *name = def->def_name; 381 enumval_list *l; 382 const char *last = NULL; 383 int count = 0; 384 385 f_print(fout, "enum %s {\n", name); 386 for (l = def->def.en.vals; l != NULL; l = l->next) { 387 f_print(fout, "\t%s", l->name); 388 if (l->assignment) { 389 f_print(fout, " = %s", l->assignment); 390 last = l->assignment; 391 count = 1; 392 } else { 393 if (last == NULL) { 394 f_print(fout, " = %d", count++); 395 } else { 396 f_print(fout, " = %s + %d", last, count++); 397 } 398 } 399 if (l->next) 400 f_print(fout, ",\n"); 401 else 402 f_print(fout, "\n"); 403 } 404 f_print(fout, "};\n"); 405 f_print(fout, "typedef enum %s %s;\n", name, name); 406} 407 408static void 409ptypedef(def) 410 definition *def; 411{ 412 const char *name = def->def_name; 413 const char *old = def->def.ty.old_type; 414 char prefix[8]; /* enough to contain "struct ", including NUL */ 415 relation rel = def->def.ty.rel; 416 417 418 if (!streq(name, old)) { 419 if (streq(old, "string")) { 420 old = "char"; 421 rel = REL_POINTER; 422 } else if (streq(old, "opaque")) { 423 old = "char"; 424 } else if (streq(old, "bool")) { 425 old = "bool_t"; 426 } 427 if (undefined2(old, name) && def->def.ty.old_prefix) { 428 s_print(prefix, "%s ", def->def.ty.old_prefix); 429 } else { 430 prefix[0] = 0; 431 } 432 f_print(fout, "typedef "); 433 switch (rel) { 434 case REL_ARRAY: 435 f_print(fout, "struct {\n"); 436 f_print(fout, "\tu_int %s_len;\n", name); 437 f_print(fout, "\t%s%s *%s_val;\n", prefix, old, name); 438 f_print(fout, "} %s", name); 439 break; 440 case REL_POINTER: 441 f_print(fout, "%s%s *%s", prefix, old, name); 442 break; 443 case REL_VECTOR: 444 f_print(fout, "%s%s %s[%s]", prefix, old, name, 445 def->def.ty.array_max); 446 break; 447 case REL_ALIAS: 448 f_print(fout, "%s%s %s", prefix, old, name); 449 break; 450 } 451 f_print(fout, ";\n"); 452 } 453} 454 455void 456pdeclaration(const char *name, declaration *dec, int tab, const char *separator) 457{ 458 char buf[8]; /* enough to hold "struct ", include NUL */ 459 const char *prefix; 460 const char *type; 461 462 if (streq(dec->type, "void")) { 463 return; 464 } 465 tabify(fout, tab); 466 if (streq(dec->type, name) && !dec->prefix) { 467 f_print(fout, "struct "); 468 } 469 if (streq(dec->type, "string")) { 470 f_print(fout, "char *%s", dec->name); 471 } else { 472 prefix = ""; 473 if (streq(dec->type, "bool")) { 474 type = "bool_t"; 475 } else if (streq(dec->type, "opaque")) { 476 type = "char"; 477 } else { 478 if (dec->prefix) { 479 s_print(buf, "%s ", dec->prefix); 480 prefix = buf; 481 } 482 type = dec->type; 483 } 484 switch (dec->rel) { 485 case REL_ALIAS: 486 f_print(fout, "%s%s %s", prefix, type, dec->name); 487 break; 488 case REL_VECTOR: 489 f_print(fout, "%s%s %s[%s]", prefix, type, dec->name, 490 dec->array_max); 491 break; 492 case REL_POINTER: 493 f_print(fout, "%s%s *%s", prefix, type, dec->name); 494 break; 495 case REL_ARRAY: 496 f_print(fout, "struct {\n"); 497 tabify(fout, tab); 498 f_print(fout, "\tu_int %s_len;\n", dec->name); 499 tabify(fout, tab); 500 f_print(fout, 501 "\t%s%s *%s_val;\n", prefix, type, dec->name); 502 tabify(fout, tab); 503 f_print(fout, "} %s", dec->name); 504 break; 505 } 506 } 507 f_print(fout, separator); 508} 509 510static int 511undefined2(const char *type, const char *stop) 512{ 513 list *l; 514 definition *def; 515 516 for (l = defined; l != NULL; l = l->next) { 517 def = (definition *) l->val; 518 if (def->def_kind != DEF_PROGRAM) { 519 if (streq(def->def_name, stop)) { 520 return (1); 521 } else if (streq(def->def_name, type)) { 522 return (0); 523 } 524 } 525 } 526 return (1); 527} 528