rpc_hout.c revision 1.16
1 /* $NetBSD: rpc_hout.c,v 1.16 2002/01/29 10:20:36 tv 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 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)rpc_hout.c 1.12 89/02/22 (C) 1987 SMI"; 36 #else 37 __RCSID("$NetBSD: rpc_hout.c,v 1.16 2002/01/29 10:20:36 tv Exp $"); 38 #endif 39 #endif 40 41 /* 42 * rpc_hout.c, Header file outputter for the RPC protocol compiler 43 */ 44 #include <stdio.h> 45 #include <ctype.h> 46 #include "rpc_scan.h" 47 #include "rpc_parse.h" 48 #include "rpc_util.h" 49 50 #if HAVE_ERR_H 51 #include <err.h> 52 #endif 53 54 static void pconstdef __P((definition *)); 55 static void pargdef __P((definition *)); 56 static void pstructdef __P((definition *)); 57 static void puniondef __P((definition *)); 58 static void pdefine __P((char *, char *)); 59 static void puldefine __P((char *, char *)); 60 static int define_printed __P((proc_list *, version_list *)); 61 static void pprogramdef __P((definition *)); 62 static void penumdef __P((definition *)); 63 static void ptypedef __P((definition *)); 64 static int undefined2 __P((char *, char *)); 65 66 /* 67 * Print the C-version of an xdr definition 68 */ 69 void 70 print_datadef(def) 71 definition *def; 72 { 73 74 if (def->def_kind == DEF_PROGRAM) /* handle data only */ 75 return; 76 77 if (def->def_kind != DEF_CONST) { 78 f_print(fout, "\n"); 79 } 80 switch (def->def_kind) { 81 case DEF_STRUCT: 82 pstructdef(def); 83 break; 84 case DEF_UNION: 85 puniondef(def); 86 break; 87 case DEF_ENUM: 88 penumdef(def); 89 break; 90 case DEF_TYPEDEF: 91 ptypedef(def); 92 break; 93 case DEF_PROGRAM: 94 pprogramdef(def); 95 break; 96 case DEF_CONST: 97 pconstdef(def); 98 break; 99 } 100 if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST) { 101 pxdrfuncdecl(def->def_name, 102 def->def_kind != DEF_TYPEDEF || 103 !isvectordef(def->def.ty.old_type, def->def.ty.rel)); 104 105 } 106 } 107 108 109 void 110 print_funcdef(def) 111 definition *def; 112 { 113 switch (def->def_kind) { 114 case DEF_PROGRAM: 115 f_print(fout, "\n"); 116 pprogramdef(def); 117 break; 118 case DEF_CONST: 119 case DEF_TYPEDEF: 120 case DEF_ENUM: 121 case DEF_UNION: 122 case DEF_STRUCT: 123 break; 124 } 125 } 126 127 void 128 pxdrfuncdecl(name, pointerp) 129 char *name; 130 int pointerp; 131 { 132 133 f_print(fout, "#ifdef __cplusplus\n"); 134 f_print(fout, "extern \"C\" bool_t xdr_%s(XDR *, %s%s);\n", 135 name, 136 name, pointerp ? (" *") : ""); 137 f_print(fout, "#elif __STDC__\n"); 138 f_print(fout, "extern bool_t xdr_%s(XDR *, %s%s);\n", 139 name, 140 name, pointerp ? (" *") : ""); 141 f_print(fout, "#else /* Old Style C */\n"); 142 f_print(fout, "bool_t xdr_%s();\n", name); 143 f_print(fout, "#endif /* Old Style C */\n\n"); 144 } 145 146 147 static void 148 pconstdef(def) 149 definition *def; 150 { 151 pdefine(def->def_name, def->def.co); 152 } 153 /* print out the definitions for the arguments of functions in the 154 header file 155 */ 156 static void 157 pargdef(def) 158 definition *def; 159 { 160 decl_list *l; 161 version_list *vers; 162 char *name; 163 proc_list *plist; 164 165 166 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 167 for (plist = vers->procs; plist != NULL; 168 plist = plist->next) { 169 170 if (!newstyle || plist->arg_num < 2) { 171 continue; /* old style or single args */ 172 } 173 name = plist->args.argname; 174 f_print(fout, "struct %s {\n", name); 175 for (l = plist->args.decls; 176 l != NULL; l = l->next) { 177 pdeclaration(name, &l->decl, 1, ";\n"); 178 } 179 f_print(fout, "};\n"); 180 f_print(fout, "typedef struct %s %s;\n", name, name); 181 pxdrfuncdecl(name, 1); 182 f_print(fout, "\n"); 183 } 184 } 185 186 } 187 188 189 static void 190 pstructdef(def) 191 definition *def; 192 { 193 decl_list *l; 194 char *name = def->def_name; 195 196 f_print(fout, "struct %s {\n", name); 197 for (l = def->def.st.decls; l != NULL; l = l->next) { 198 pdeclaration(name, &l->decl, 1, ";\n"); 199 } 200 f_print(fout, "};\n"); 201 f_print(fout, "typedef struct %s %s;\n", name, name); 202 } 203 204 static void 205 puniondef(def) 206 definition *def; 207 { 208 case_list *l; 209 char *name = def->def_name; 210 declaration *decl; 211 212 f_print(fout, "struct %s {\n", name); 213 decl = &def->def.un.enum_decl; 214 if (streq(decl->type, "bool")) { 215 f_print(fout, "\tbool_t %s;\n", decl->name); 216 } else { 217 f_print(fout, "\t%s %s;\n", decl->type, decl->name); 218 } 219 f_print(fout, "\tunion {\n"); 220 for (l = def->def.un.cases; l != NULL; l = l->next) { 221 if (l->contflag == 0) 222 pdeclaration(name, &l->case_decl, 2, ";\n"); 223 } 224 decl = def->def.un.default_decl; 225 if (decl && !streq(decl->type, "void")) { 226 pdeclaration(name, decl, 2, ";\n"); 227 } 228 f_print(fout, "\t} %s_u;\n", name); 229 f_print(fout, "};\n"); 230 f_print(fout, "typedef struct %s %s;\n", name, name); 231 } 232 233 static void 234 pdefine(name, num) 235 char *name; 236 char *num; 237 { 238 f_print(fout, "#define %s %s\n", name, num); 239 } 240 241 static void 242 puldefine(name, num) 243 char *name; 244 char *num; 245 { 246 f_print(fout, "#define %s %s\n", name, num); 247 } 248 249 static int 250 define_printed(stop, start) 251 proc_list *stop; 252 version_list *start; 253 { 254 version_list *vers; 255 proc_list *proc; 256 257 for (vers = start; vers != NULL; vers = vers->next) { 258 for (proc = vers->procs; proc != NULL; proc = proc->next) { 259 if (proc == stop) { 260 return (0); 261 } else 262 if (streq(proc->proc_name, stop->proc_name)) { 263 return (1); 264 } 265 } 266 } 267 errx(1, "Internal error %s, %d: procedure not found\n", 268 __FILE__, __LINE__); 269 /* NOTREACHED */ 270 } 271 272 static void 273 pprogramdef(def) 274 definition *def; 275 { 276 version_list *vers; 277 proc_list *proc; 278 int i; 279 char *ext; 280 281 pargdef(def); 282 283 puldefine(def->def_name, def->def.pr.prog_num); 284 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 285 if (tblflag) { 286 f_print(fout, "extern struct rpcgen_table %s_%s_table[];\n", 287 locase(def->def_name), vers->vers_num); 288 f_print(fout, "extern %s_%s_nproc;\n", 289 locase(def->def_name), vers->vers_num); 290 } 291 puldefine(vers->vers_name, vers->vers_num); 292 293 /* Print out 3 definitions, one for ANSI-C, another for C++, a 294 * third for old style C */ 295 296 for (i = 0; i < 3; i++) { 297 if (i == 0) { 298 f_print(fout, "\n#ifdef __cplusplus\n"); 299 ext = "extern \"C\" "; 300 } else 301 if (i == 1) { 302 f_print(fout, "\n#elif __STDC__\n"); 303 ext = "extern "; 304 } else { 305 f_print(fout, "\n#else /* Old Style C */\n"); 306 ext = "extern "; 307 } 308 309 310 for (proc = vers->procs; proc != NULL; proc = proc->next) { 311 if (!define_printed(proc, def->def.pr.versions)) { 312 puldefine(proc->proc_name, proc->proc_num); 313 } 314 f_print(fout, "%s", ext); 315 pprocdef(proc, vers, "CLIENT *", 0, i); 316 f_print(fout, "%s", ext); 317 pprocdef(proc, vers, "struct svc_req *", 1, i); 318 319 } 320 321 } 322 f_print(fout, "#endif /* Old Style C */\n"); 323 } 324 } 325 326 void 327 pprocdef(proc, vp, addargtype, server_p, mode) 328 proc_list *proc; 329 version_list *vp; 330 char *addargtype; 331 int server_p; 332 int mode; 333 { 334 decl_list *dl; 335 336 if (Mflag) { 337 if (server_p) 338 f_print(fout, "bool_t "); 339 else 340 f_print(fout, "enum clnt_stat "); 341 } else { 342 ptype(proc->res_prefix, proc->res_type, 1); 343 f_print(fout, "*"); 344 } 345 if (server_p) 346 pvname_svc(proc->proc_name, vp->vers_num); 347 else 348 pvname(proc->proc_name, vp->vers_num); 349 350 /* 351 * mode 0 == cplusplus, mode 1 = ANSI-C, mode 2 = old style C 352 */ 353 if (mode == 0 || mode == 1) { 354 f_print(fout, "("); 355 if (proc->arg_num < 2 && newstyle && 356 streq(proc->args.decls->decl.type, "void")) { 357 /* 0 argument in new style: do nothing */ 358 } else { 359 for (dl = proc->args.decls; dl != NULL; dl = dl->next) { 360 ptype(dl->decl.prefix, dl->decl.type, 1); 361 if (!newstyle) 362 f_print(fout, "*"); 363 f_print(fout, ", "); 364 } 365 } 366 if (Mflag) { 367 if (streq(proc->res_type, "void")) 368 f_print(fout, "char"); 369 else 370 ptype(proc->res_prefix, proc->res_type, 0); 371 if (!isvectordef(proc->res_type, REL_ALIAS)) 372 f_print(fout, "*"); 373 f_print(fout, ", "); 374 } 375 f_print(fout, "%s);\n", addargtype); 376 } 377 else 378 f_print(fout, "();\n"); 379 } 380 381 382 static void 383 penumdef(def) 384 definition *def; 385 { 386 char *name = def->def_name; 387 enumval_list *l; 388 char *last = NULL; 389 int count = 0; 390 391 f_print(fout, "enum %s {\n", name); 392 for (l = def->def.en.vals; l != NULL; l = l->next) { 393 f_print(fout, "\t%s", l->name); 394 if (l->assignment) { 395 f_print(fout, " = %s", l->assignment); 396 last = l->assignment; 397 count = 1; 398 } else { 399 if (last == NULL) { 400 f_print(fout, " = %d", count++); 401 } else { 402 f_print(fout, " = %s + %d", last, count++); 403 } 404 } 405 f_print(fout, ",\n"); 406 } 407 f_print(fout, "};\n"); 408 f_print(fout, "typedef enum %s %s;\n", name, name); 409 } 410 411 static void 412 ptypedef(def) 413 definition *def; 414 { 415 char *name = def->def_name; 416 char *old = def->def.ty.old_type; 417 char prefix[8]; /* enough to contain "struct ", including NUL */ 418 relation rel = def->def.ty.rel; 419 420 421 if (!streq(name, old)) { 422 if (streq(old, "string")) { 423 old = "char"; 424 rel = REL_POINTER; 425 } else 426 if (streq(old, "opaque")) { 427 old = "char"; 428 } else 429 if (streq(old, "bool")) { 430 old = "bool_t"; 431 } 432 if (undefined2(old, name) && def->def.ty.old_prefix) { 433 s_print(prefix, "%s ", def->def.ty.old_prefix); 434 } else { 435 prefix[0] = 0; 436 } 437 f_print(fout, "typedef "); 438 switch (rel) { 439 case REL_ARRAY: 440 f_print(fout, "struct {\n"); 441 f_print(fout, "\tu_int %s_len;\n", name); 442 f_print(fout, "\t%s%s *%s_val;\n", prefix, old, name); 443 f_print(fout, "} %s", name); 444 break; 445 case REL_POINTER: 446 f_print(fout, "%s%s *%s", prefix, old, name); 447 break; 448 case REL_VECTOR: 449 f_print(fout, "%s%s %s[%s]", prefix, old, name, 450 def->def.ty.array_max); 451 break; 452 case REL_ALIAS: 453 f_print(fout, "%s%s %s", prefix, old, name); 454 break; 455 } 456 f_print(fout, ";\n"); 457 } 458 } 459 460 void 461 pdeclaration(name, dec, tab, separator) 462 char *name; 463 declaration *dec; 464 int tab; 465 char *separator; 466 { 467 char buf[8]; /* enough to hold "struct ", include NUL */ 468 char *prefix; 469 char *type; 470 471 if (streq(dec->type, "void")) { 472 return; 473 } 474 tabify(fout, tab); 475 if (streq(dec->type, name) && !dec->prefix) { 476 f_print(fout, "struct "); 477 } 478 if (streq(dec->type, "string")) { 479 f_print(fout, "char *%s", dec->name); 480 } else { 481 prefix = ""; 482 if (streq(dec->type, "bool")) { 483 type = "bool_t"; 484 } else 485 if (streq(dec->type, "opaque")) { 486 type = "char"; 487 } else { 488 if (dec->prefix) { 489 s_print(buf, "%s ", dec->prefix); 490 prefix = buf; 491 } 492 type = dec->type; 493 } 494 switch (dec->rel) { 495 case REL_ALIAS: 496 f_print(fout, "%s%s %s", prefix, type, dec->name); 497 break; 498 case REL_VECTOR: 499 f_print(fout, "%s%s %s[%s]", prefix, type, dec->name, 500 dec->array_max); 501 break; 502 case REL_POINTER: 503 f_print(fout, "%s%s *%s", prefix, type, dec->name); 504 break; 505 case REL_ARRAY: 506 f_print(fout, "struct {\n"); 507 tabify(fout, tab); 508 f_print(fout, "\tu_int %s_len;\n", dec->name); 509 tabify(fout, tab); 510 f_print(fout, "\t%s%s *%s_val;\n", prefix, type, dec->name); 511 tabify(fout, tab); 512 f_print(fout, "} %s", dec->name); 513 break; 514 } 515 } 516 f_print(fout, "%s", separator); 517 } 518 519 static int 520 undefined2(type, stop) 521 char *type; 522 char *stop; 523 { 524 list *l; 525 definition *def; 526 527 for (l = defined; l != NULL; l = l->next) { 528 def = (definition *) l->val; 529 if (def->def_kind != DEF_PROGRAM) { 530 if (streq(def->def_name, stop)) { 531 return (1); 532 } else 533 if (streq(def->def_name, type)) { 534 return (0); 535 } 536 } 537 } 538 return (1); 539 } 540
Indexes created Wed Oct 22 13:09:56 GMT 2025