1 /* $NetBSD: rpc_hout.c,v 1.25 2016/01/23 02:33:09 dholland Exp $ */ 2 /* 3 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 4 * unrestricted use provided that this legend is included on all tape 5 * media and as a part of the software program in whole or part. Users 6 * may copy or modify Sun RPC without charge, but are not authorized 7 * to license or distribute it to anyone else except as part of a product or 8 * program developed by the user or with the express written consent of 9 * Sun Microsystems, Inc. 10 * 11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 14 * 15 * Sun RPC is provided with no support and without any obligation on the 16 * part of Sun Microsystems, Inc. to assist in its use, correction, 17 * modification or enhancement. 18 * 19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 21 * OR ANY PART THEREOF. 22 * 23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 24 * or profits or other special, indirect and consequential damages, even if 25 * Sun has been advised of the possibility of such damages. 26 * 27 * Sun Microsystems, Inc. 28 * 2550 Garcia Avenue 29 * Mountain View, California 94043 30 */ 31 32 #if HAVE_NBTOOL_CONFIG_H 33 #include "nbtool_config.h" 34 #endif 35 36 #include <sys/cdefs.h> 37 #if defined(__RCSID) && !defined(lint) 38 #if 0 39 static char sccsid[] = "@(#)rpc_hout.c 1.12 89/02/22 (C) 1987 SMI"; 40 #else 41 __RCSID("$NetBSD: rpc_hout.c,v 1.25 2016/01/23 02:33:09 dholland Exp $"); 42 #endif 43 #endif 44 45 /* 46 * rpc_hout.c, Header file outputter for the RPC protocol compiler 47 */ 48 #include <ctype.h> 49 #include <err.h> 50 #include <stdio.h> 51 #include "rpc_scan.h" 52 #include "rpc_parse.h" 53 #include "rpc_util.h" 54 55 static void pconstdef(definition *); 56 static void pargdef(definition *); 57 static void pstructdef(definition *); 58 static void puniondef(definition *); 59 static void pdefine(const char *, const char *); 60 static void puldefine(const char *, const char *); 61 static int define_printed(proc_list *, version_list *); 62 static void pprogramdef(definition *); 63 static void penumdef(definition *); 64 static void ptypedef(definition *); 65 static int undefined2(const char *, const char *); 66 static void cplusplusstart(void); 67 static void cplusplusend(void); 68 69 /* 70 * Print the C-version of an xdr definition 71 */ 72 void 73 print_datadef(definition *def) 74 { 75 76 if (def->def_kind == DEF_PROGRAM) /* handle data only */ 77 return; 78 79 if (def->def_kind != DEF_CONST) { 80 f_print(fout, "\n"); 81 } 82 switch (def->def_kind) { 83 case DEF_STRUCT: 84 pstructdef(def); 85 break; 86 case DEF_UNION: 87 puniondef(def); 88 break; 89 case DEF_ENUM: 90 penumdef(def); 91 break; 92 case DEF_TYPEDEF: 93 ptypedef(def); 94 break; 95 case DEF_PROGRAM: 96 pprogramdef(def); 97 break; 98 case DEF_CONST: 99 pconstdef(def); 100 break; 101 } 102 } 103 104 void 105 print_progdef(definition *def) 106 { 107 switch (def->def_kind) { 108 case DEF_PROGRAM: 109 f_print(fout, "\n"); 110 pprogramdef(def); 111 break; 112 case DEF_CONST: 113 case DEF_TYPEDEF: 114 case DEF_ENUM: 115 case DEF_UNION: 116 case DEF_STRUCT: 117 break; 118 } 119 } 120 121 void 122 print_funcdef(definition *def, int *did) 123 { 124 switch (def->def_kind) { 125 case DEF_PROGRAM: 126 case DEF_CONST: 127 break; 128 case DEF_TYPEDEF: 129 case DEF_ENUM: 130 case DEF_UNION: 131 case DEF_STRUCT: 132 if (!*did) { 133 f_print(fout, "\n"); 134 cplusplusstart(); 135 *did = 1; 136 } 137 pxdrfuncdecl(def->def_name, 138 def->def_kind != DEF_TYPEDEF || 139 !isvectordef(def->def.ty.old_type, def->def.ty.rel)); 140 break; 141 } 142 } 143 144 void 145 print_funcend(int did) { 146 if (did) { 147 cplusplusend(); 148 } 149 } 150 151 void 152 pxdrfuncdecl(const char *name, int pointerp) 153 { 154 155 f_print(fout, "bool_t xdr_%s(XDR *, %s%s);\n", name, 156 name, pointerp ? (" *") : ""); 157 } 158 159 160 static void 161 pconstdef(definition *def) 162 { 163 pdefine(def->def_name, def->def.co); 164 } 165 166 /* print out the definitions for the arguments of functions in the 167 header file 168 */ 169 static void 170 pargdef(definition *def) 171 { 172 decl_list *l; 173 version_list *vers; 174 char *name; 175 proc_list *plist; 176 int did; 177 178 179 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 180 for (plist = vers->procs; plist != NULL; plist = plist->next) { 181 if (!newstyle || plist->arg_num < 2) { 182 continue; /* old style or single args */ 183 } 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) { 188 pdeclaration(name, &l->decl, 1, ";\n"); 189 } 190 f_print(fout, "};\n"); 191 f_print(fout, "typedef struct %s %s;\n", name, name); 192 } 193 } 194 did = 0; 195 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 196 for (plist = vers->procs; plist != NULL; plist = plist->next) { 197 if (!newstyle || plist->arg_num < 2) { 198 continue; /* old style or single args */ 199 } 200 201 if (!did) { 202 cplusplusstart(); 203 did = 1; 204 } 205 pxdrfuncdecl(plist->args.argname, 1); 206 } 207 } 208 if (did) { 209 cplusplusend(); 210 } 211 212 } 213 214 215 static void 216 pstructdef(definition *def) 217 { 218 decl_list *l; 219 const char *name = def->def_name; 220 221 f_print(fout, "struct %s {\n", name); 222 for (l = def->def.st.decls; l != NULL; l = l->next) { 223 pdeclaration(name, &l->decl, 1, ";\n"); 224 } 225 f_print(fout, "};\n"); 226 f_print(fout, "typedef struct %s %s;\n", name, name); 227 } 228 229 static void 230 puniondef(definition *def) 231 { 232 case_list *l; 233 const char *name = def->def_name; 234 declaration *decl; 235 236 f_print(fout, "struct %s {\n", name); 237 decl = &def->def.un.enum_decl; 238 if (streq(decl->type, "bool")) { 239 f_print(fout, "\tbool_t %s;\n", decl->name); 240 } else { 241 f_print(fout, "\t%s %s;\n", decl->type, decl->name); 242 } 243 f_print(fout, "\tunion {\n"); 244 for (l = def->def.un.cases; l != NULL; l = l->next) { 245 if (l->contflag == 0) 246 pdeclaration(name, &l->case_decl, 2, ";\n"); 247 } 248 decl = def->def.un.default_decl; 249 if (decl && !streq(decl->type, "void")) { 250 pdeclaration(name, decl, 2, ";\n"); 251 } 252 f_print(fout, "\t} %s_u;\n", name); 253 f_print(fout, "};\n"); 254 f_print(fout, "typedef struct %s %s;\n", name, name); 255 } 256 257 static void 258 pdefine(const char *name, const char *num) 259 { 260 f_print(fout, "#define %s %s\n", name, num); 261 } 262 263 static void 264 puldefine(const char *name, const char *num) 265 { 266 f_print(fout, "#define %s %s\n", name, num); 267 } 268 269 static int 270 define_printed(proc_list *stop, 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 280 if (streq(proc->proc_name, stop->proc_name)) { 281 return (1); 282 } 283 } 284 } 285 errx(1, "Internal error at %s:%d: procedure not found", 286 __FILE__, __LINE__); 287 /* NOTREACHED */ 288 } 289 290 static void 291 cplusplusstart(void) 292 { 293 if (BSDflag) 294 f_print(fout, "__BEGIN_DECLS\n"); 295 else 296 f_print(fout, "#ifdef __cplusplus\nextern \"C\" {\n#endif\n"); 297 } 298 299 static void 300 cplusplusend(void) 301 { 302 if (BSDflag) 303 f_print(fout, "__END_DECLS\n"); 304 else 305 f_print(fout, "#ifdef __cplusplus\n};\n#endif\n"); 306 } 307 308 static void 309 pprogramdef(definition *def) 310 { 311 version_list *vers; 312 proc_list *proc; 313 314 pargdef(def); 315 316 puldefine(def->def_name, def->def.pr.prog_num); 317 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 318 if (tblflag) { 319 f_print(fout, "extern struct rpcgen_table %s_%s_table[];\n", 320 locase(def->def_name), vers->vers_num); 321 f_print(fout, "extern %s_%s_nproc;\n", 322 locase(def->def_name), vers->vers_num); 323 } 324 puldefine(vers->vers_name, vers->vers_num); 325 for (proc = vers->procs; proc != NULL; proc = proc->next) { 326 if (!define_printed(proc, def->def.pr.versions)) { 327 puldefine(proc->proc_name, proc->proc_num); 328 } 329 } 330 } 331 332 /* 333 * Print out 3 definitions, one for ANSI-C, another for C++, a 334 * third for old style C 335 */ 336 f_print(fout, "\n"); 337 cplusplusstart(); 338 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 339 for (proc = vers->procs; proc != NULL; proc = proc->next) { 340 pprocdef(proc, vers, "CLIENT *", 0); 341 pprocdef(proc, vers, "struct svc_req *", 1); 342 } 343 } 344 cplusplusend(); 345 } 346 347 void 348 pprocdef(proc_list *proc, version_list *vp, const char *addargtype, 349 int server_p) 350 { 351 decl_list *dl; 352 353 if (Mflag) { 354 if (server_p) 355 f_print(fout, "bool_t "); 356 else 357 f_print(fout, "enum clnt_stat "); 358 } else { 359 ptype(proc->res_prefix, proc->res_type, 1); 360 f_print(fout, "*"); 361 } 362 if (server_p) 363 pvname_svc(proc->proc_name, vp->vers_num); 364 else 365 pvname(proc->proc_name, vp->vers_num); 366 367 f_print(fout, "("); 368 if (proc->arg_num < 2 && newstyle && 369 streq(proc->args.decls->decl.type, "void")) { 370 /* 0 argument in new style: do nothing */ 371 } else { 372 for (dl = proc->args.decls; dl != NULL; dl = dl->next) { 373 ptype(dl->decl.prefix, dl->decl.type, 1); 374 if (!newstyle) 375 f_print(fout, "*"); 376 f_print(fout, ", "); 377 } 378 } 379 if (Mflag) { 380 if (streq(proc->res_type, "void")) 381 f_print(fout, "char"); 382 else 383 ptype(proc->res_prefix, proc->res_type, 0); 384 if (!isvectordef(proc->res_type, REL_ALIAS)) 385 f_print(fout, "*"); 386 f_print(fout, ", "); 387 } 388 f_print(fout, "%s);\n", addargtype); 389 } 390 391 392 static void 393 penumdef(definition *def) 394 { 395 const char *name = def->def_name; 396 enumval_list *l; 397 const char *last = NULL; 398 int count = 0; 399 const char *first = ""; 400 401 f_print(fout, "enum %s {\n", name); 402 for (l = def->def.en.vals; l != NULL; l = l->next) { 403 f_print(fout, "%s\t%s", first, l->name); 404 if (l->assignment) { 405 f_print(fout, " = %s", l->assignment); 406 last = l->assignment; 407 count = 1; 408 } else { 409 if (last == NULL) { 410 f_print(fout, " = %d", count++); 411 } else { 412 f_print(fout, " = %s + %d", last, count++); 413 } 414 } 415 first = ",\n"; 416 } 417 f_print(fout, "\n};\n"); 418 f_print(fout, "typedef enum %s %s;\n", name, name); 419 } 420 421 static void 422 ptypedef(definition *def) 423 { 424 const char *name = def->def_name; 425 const char *old = def->def.ty.old_type; 426 char prefix[8]; /* enough to contain "struct ", including NUL */ 427 relation rel = def->def.ty.rel; 428 429 430 if (!streq(name, old)) { 431 if (streq(old, "string")) { 432 old = "char"; 433 rel = REL_POINTER; 434 } else 435 if (streq(old, "opaque")) { 436 old = "char"; 437 } else 438 if (streq(old, "bool")) { 439 old = "bool_t"; 440 } 441 if (undefined2(old, name) && def->def.ty.old_prefix) { 442 s_print(prefix, "%s ", def->def.ty.old_prefix); 443 } else { 444 prefix[0] = 0; 445 } 446 f_print(fout, "typedef "); 447 switch (rel) { 448 case REL_ARRAY: 449 f_print(fout, "struct {\n"); 450 f_print(fout, "\tunsigned int %s_len;\n", name); 451 f_print(fout, "\t%s%s *%s_val;\n", prefix, old, name); 452 f_print(fout, "} %s", name); 453 break; 454 case REL_POINTER: 455 f_print(fout, "%s%s *%s", prefix, old, name); 456 break; 457 case REL_VECTOR: 458 f_print(fout, "%s%s %s[%s]", prefix, old, name, 459 def->def.ty.array_max); 460 break; 461 case REL_ALIAS: 462 f_print(fout, "%s%s %s", prefix, old, name); 463 break; 464 } 465 f_print(fout, ";\n"); 466 } 467 } 468 469 void 470 pdeclaration(const char *name, declaration *dec, int tab, 471 const char *separator) 472 { 473 char buf[8]; /* enough to hold "struct ", include NUL */ 474 const char *prefix; 475 const char *type; 476 477 if (streq(dec->type, "void")) { 478 return; 479 } 480 tabify(fout, tab); 481 if (streq(dec->type, name) && !dec->prefix) { 482 f_print(fout, "struct "); 483 } 484 if (streq(dec->type, "string")) { 485 f_print(fout, "char *%s", dec->name); 486 } else { 487 prefix = ""; 488 if (streq(dec->type, "bool")) { 489 type = "bool_t"; 490 } else 491 if (streq(dec->type, "opaque")) { 492 type = "char"; 493 } else { 494 if (dec->prefix) { 495 s_print(buf, "%s ", dec->prefix); 496 prefix = buf; 497 } 498 type = dec->type; 499 } 500 switch (dec->rel) { 501 case REL_ALIAS: 502 f_print(fout, "%s%s %s", prefix, type, dec->name); 503 break; 504 case REL_VECTOR: 505 f_print(fout, "%s%s %s[%s]", prefix, type, dec->name, 506 dec->array_max); 507 break; 508 case REL_POINTER: 509 f_print(fout, "%s%s *%s", prefix, type, dec->name); 510 break; 511 case REL_ARRAY: 512 f_print(fout, "struct {\n"); 513 tabify(fout, tab); 514 f_print(fout, "\tunsigned int %s_len;\n", dec->name); 515 tabify(fout, tab); 516 f_print(fout, "\t%s%s *%s_val;\n", prefix, type, dec->name); 517 tabify(fout, tab); 518 f_print(fout, "} %s", dec->name); 519 break; 520 } 521 } 522 f_print(fout, "%s", separator); 523 } 524 525 static int 526 undefined2(const char *type, const char *stop) 527 { 528 list *l; 529 definition *def; 530 531 for (l = defined; l != NULL; l = l->next) { 532 def = (definition *) l->val; 533 if (def->def_kind != DEF_PROGRAM) { 534 if (streq(def->def_name, stop)) { 535 return (1); 536 } else 537 if (streq(def->def_name, type)) { 538 return (0); 539 } 540 } 541 } 542 return (1); 543 } 544
Indexes created Sat Sep 20 22:09:52 GMT 2025