rpc_hout.c revision 1.15
1 /* $NetBSD: rpc_hout.c,v 1.15 2001/03/21 00:30:39 mycroft 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 1.15 2001/03/21 00:30:39 mycroft 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 <err.h> 47 #include "rpc_scan.h" 48 #include "rpc_parse.h" 49 #include "rpc_util.h" 50 51 static void pconstdef __P((definition *)); 52 static void pargdef __P((definition *)); 53 static void pstructdef __P((definition *)); 54 static void puniondef __P((definition *)); 55 static void pdefine __P((char *, char *)); 56 static void puldefine __P((char *, char *)); 57 static int define_printed __P((proc_list *, version_list *)); 58 static void pprogramdef __P((definition *)); 59 static void penumdef __P((definition *)); 60 static void ptypedef __P((definition *)); 61 static int undefined2 __P((char *, char *)); 62 63 /* 64 * Print the C-version of an xdr definition 65 */ 66 void 67 print_datadef(def) 68 definition *def; 69 { 70 71 if (def->def_kind == DEF_PROGRAM) /* handle data only */ 72 return; 73 74 if (def->def_kind != DEF_CONST) { 75 f_print(fout, "\n"); 76 } 77 switch (def->def_kind) { 78 case DEF_STRUCT: 79 pstructdef(def); 80 break; 81 case DEF_UNION: 82 puniondef(def); 83 break; 84 case DEF_ENUM: 85 penumdef(def); 86 break; 87 case DEF_TYPEDEF: 88 ptypedef(def); 89 break; 90 case DEF_PROGRAM: 91 pprogramdef(def); 92 break; 93 case DEF_CONST: 94 pconstdef(def); 95 break; 96 } 97 if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST) { 98 pxdrfuncdecl(def->def_name, 99 def->def_kind != DEF_TYPEDEF || 100 !isvectordef(def->def.ty.old_type, def->def.ty.rel)); 101 102 } 103 } 104 105 106 void 107 print_funcdef(def) 108 definition *def; 109 { 110 switch (def->def_kind) { 111 case DEF_PROGRAM: 112 f_print(fout, "\n"); 113 pprogramdef(def); 114 break; 115 case DEF_CONST: 116 case DEF_TYPEDEF: 117 case DEF_ENUM: 118 case DEF_UNION: 119 case DEF_STRUCT: 120 break; 121 } 122 } 123 124 void 125 pxdrfuncdecl(name, pointerp) 126 char *name; 127 int pointerp; 128 { 129 130 f_print(fout, "#ifdef __cplusplus\n"); 131 f_print(fout, "extern \"C\" bool_t xdr_%s(XDR *, %s%s);\n", 132 name, 133 name, pointerp ? (" *") : ""); 134 f_print(fout, "#elif __STDC__\n"); 135 f_print(fout, "extern bool_t xdr_%s(XDR *, %s%s);\n", 136 name, 137 name, pointerp ? (" *") : ""); 138 f_print(fout, "#else /* Old Style C */\n"); 139 f_print(fout, "bool_t xdr_%s();\n", name); 140 f_print(fout, "#endif /* Old Style C */\n\n"); 141 } 142 143 144 static void 145 pconstdef(def) 146 definition *def; 147 { 148 pdefine(def->def_name, def->def.co); 149 } 150 /* print out the definitions for the arguments of functions in the 151 header file 152 */ 153 static void 154 pargdef(def) 155 definition *def; 156 { 157 decl_list *l; 158 version_list *vers; 159 char *name; 160 proc_list *plist; 161 162 163 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 164 for (plist = vers->procs; plist != NULL; 165 plist = plist->next) { 166 167 if (!newstyle || plist->arg_num < 2) { 168 continue; /* old style or single args */ 169 } 170 name = plist->args.argname; 171 f_print(fout, "struct %s {\n", name); 172 for (l = plist->args.decls; 173 l != NULL; l = l->next) { 174 pdeclaration(name, &l->decl, 1, ";\n"); 175 } 176 f_print(fout, "};\n"); 177 f_print(fout, "typedef struct %s %s;\n", name, name); 178 pxdrfuncdecl(name, 1); 179 f_print(fout, "\n"); 180 } 181 } 182 183 } 184 185 186 static void 187 pstructdef(def) 188 definition *def; 189 { 190 decl_list *l; 191 char *name = def->def_name; 192 193 f_print(fout, "struct %s {\n", name); 194 for (l = def->def.st.decls; l != NULL; l = l->next) { 195 pdeclaration(name, &l->decl, 1, ";\n"); 196 } 197 f_print(fout, "};\n"); 198 f_print(fout, "typedef struct %s %s;\n", name, name); 199 } 200 201 static void 202 puniondef(def) 203 definition *def; 204 { 205 case_list *l; 206 char *name = def->def_name; 207 declaration *decl; 208 209 f_print(fout, "struct %s {\n", name); 210 decl = &def->def.un.enum_decl; 211 if (streq(decl->type, "bool")) { 212 f_print(fout, "\tbool_t %s;\n", decl->name); 213 } else { 214 f_print(fout, "\t%s %s;\n", decl->type, decl->name); 215 } 216 f_print(fout, "\tunion {\n"); 217 for (l = def->def.un.cases; l != NULL; l = l->next) { 218 if (l->contflag == 0) 219 pdeclaration(name, &l->case_decl, 2, ";\n"); 220 } 221 decl = def->def.un.default_decl; 222 if (decl && !streq(decl->type, "void")) { 223 pdeclaration(name, decl, 2, ";\n"); 224 } 225 f_print(fout, "\t} %s_u;\n", name); 226 f_print(fout, "};\n"); 227 f_print(fout, "typedef struct %s %s;\n", name, name); 228 } 229 230 static void 231 pdefine(name, num) 232 char *name; 233 char *num; 234 { 235 f_print(fout, "#define %s %s\n", name, num); 236 } 237 238 static void 239 puldefine(name, num) 240 char *name; 241 char *num; 242 { 243 f_print(fout, "#define %s %s\n", name, num); 244 } 245 246 static int 247 define_printed(stop, start) 248 proc_list *stop; 249 version_list *start; 250 { 251 version_list *vers; 252 proc_list *proc; 253 254 for (vers = start; vers != NULL; vers = vers->next) { 255 for (proc = vers->procs; proc != NULL; proc = proc->next) { 256 if (proc == stop) { 257 return (0); 258 } else 259 if (streq(proc->proc_name, stop->proc_name)) { 260 return (1); 261 } 262 } 263 } 264 errx(1, "Internal error %s, %d: procedure not found\n", 265 __FILE__, __LINE__); 266 /* NOTREACHED */ 267 } 268 269 static void 270 pprogramdef(def) 271 definition *def; 272 { 273 version_list *vers; 274 proc_list *proc; 275 int i; 276 char *ext; 277 278 pargdef(def); 279 280 puldefine(def->def_name, def->def.pr.prog_num); 281 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 282 if (tblflag) { 283 f_print(fout, "extern struct rpcgen_table %s_%s_table[];\n", 284 locase(def->def_name), vers->vers_num); 285 f_print(fout, "extern %s_%s_nproc;\n", 286 locase(def->def_name), vers->vers_num); 287 } 288 puldefine(vers->vers_name, vers->vers_num); 289 290 /* Print out 3 definitions, one for ANSI-C, another for C++, a 291 * third for old style C */ 292 293 for (i = 0; i < 3; i++) { 294 if (i == 0) { 295 f_print(fout, "\n#ifdef __cplusplus\n"); 296 ext = "extern \"C\" "; 297 } else 298 if (i == 1) { 299 f_print(fout, "\n#elif __STDC__\n"); 300 ext = "extern "; 301 } else { 302 f_print(fout, "\n#else /* Old Style C */\n"); 303 ext = "extern "; 304 } 305 306 307 for (proc = vers->procs; proc != NULL; proc = proc->next) { 308 if (!define_printed(proc, def->def.pr.versions)) { 309 puldefine(proc->proc_name, proc->proc_num); 310 } 311 f_print(fout, "%s", ext); 312 pprocdef(proc, vers, "CLIENT *", 0, i); 313 f_print(fout, "%s", ext); 314 pprocdef(proc, vers, "struct svc_req *", 1, i); 315 316 } 317 318 } 319 f_print(fout, "#endif /* Old Style C */\n"); 320 } 321 } 322 323 void 324 pprocdef(proc, vp, addargtype, server_p, mode) 325 proc_list *proc; 326 version_list *vp; 327 char *addargtype; 328 int server_p; 329 int mode; 330 { 331 decl_list *dl; 332 333 if (Mflag) { 334 if (server_p) 335 f_print(fout, "bool_t "); 336 else 337 f_print(fout, "enum clnt_stat "); 338 } else { 339 ptype(proc->res_prefix, proc->res_type, 1); 340 f_print(fout, "*"); 341 } 342 if (server_p) 343 pvname_svc(proc->proc_name, vp->vers_num); 344 else 345 pvname(proc->proc_name, vp->vers_num); 346 347 /* 348 * mode 0 == cplusplus, mode 1 = ANSI-C, mode 2 = old style C 349 */ 350 if (mode == 0 || mode == 1) { 351 f_print(fout, "("); 352 if (proc->arg_num < 2 && newstyle && 353 streq(proc->args.decls->decl.type, "void")) { 354 /* 0 argument in new style: do nothing */ 355 } else { 356 for (dl = proc->args.decls; dl != NULL; dl = dl->next) { 357 ptype(dl->decl.prefix, dl->decl.type, 1); 358 if (!newstyle) 359 f_print(fout, "*"); 360 f_print(fout, ", "); 361 } 362 } 363 if (Mflag) { 364 if (streq(proc->res_type, "void")) 365 f_print(fout, "char"); 366 else 367 ptype(proc->res_prefix, proc->res_type, 0); 368 if (!isvectordef(proc->res_type, REL_ALIAS)) 369 f_print(fout, "*"); 370 f_print(fout, ", "); 371 } 372 f_print(fout, "%s);\n", addargtype); 373 } 374 else 375 f_print(fout, "();\n"); 376 } 377 378 379 static void 380 penumdef(def) 381 definition *def; 382 { 383 char *name = def->def_name; 384 enumval_list *l; 385 char *last = NULL; 386 int count = 0; 387 388 f_print(fout, "enum %s {\n", name); 389 for (l = def->def.en.vals; l != NULL; l = l->next) { 390 f_print(fout, "\t%s", l->name); 391 if (l->assignment) { 392 f_print(fout, " = %s", l->assignment); 393 last = l->assignment; 394 count = 1; 395 } else { 396 if (last == NULL) { 397 f_print(fout, " = %d", count++); 398 } else { 399 f_print(fout, " = %s + %d", last, count++); 400 } 401 } 402 f_print(fout, ",\n"); 403 } 404 f_print(fout, "};\n"); 405 f_print(fout, "typedef enum %s %s;\n", name, name); 406 } 407 408 static void 409 ptypedef(def) 410 definition *def; 411 { 412 char *name = def->def_name; 413 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 423 if (streq(old, "opaque")) { 424 old = "char"; 425 } else 426 if (streq(old, "bool")) { 427 old = "bool_t"; 428 } 429 if (undefined2(old, name) && def->def.ty.old_prefix) { 430 s_print(prefix, "%s ", def->def.ty.old_prefix); 431 } else { 432 prefix[0] = 0; 433 } 434 f_print(fout, "typedef "); 435 switch (rel) { 436 case REL_ARRAY: 437 f_print(fout, "struct {\n"); 438 f_print(fout, "\tu_int %s_len;\n", name); 439 f_print(fout, "\t%s%s *%s_val;\n", prefix, old, name); 440 f_print(fout, "} %s", name); 441 break; 442 case REL_POINTER: 443 f_print(fout, "%s%s *%s", prefix, old, name); 444 break; 445 case REL_VECTOR: 446 f_print(fout, "%s%s %s[%s]", prefix, old, name, 447 def->def.ty.array_max); 448 break; 449 case REL_ALIAS: 450 f_print(fout, "%s%s %s", prefix, old, name); 451 break; 452 } 453 f_print(fout, ";\n"); 454 } 455 } 456 457 void 458 pdeclaration(name, dec, tab, separator) 459 char *name; 460 declaration *dec; 461 int tab; 462 char *separator; 463 { 464 char buf[8]; /* enough to hold "struct ", include NUL */ 465 char *prefix; 466 char *type; 467 468 if (streq(dec->type, "void")) { 469 return; 470 } 471 tabify(fout, tab); 472 if (streq(dec->type, name) && !dec->prefix) { 473 f_print(fout, "struct "); 474 } 475 if (streq(dec->type, "string")) { 476 f_print(fout, "char *%s", dec->name); 477 } else { 478 prefix = ""; 479 if (streq(dec->type, "bool")) { 480 type = "bool_t"; 481 } else 482 if (streq(dec->type, "opaque")) { 483 type = "char"; 484 } else { 485 if (dec->prefix) { 486 s_print(buf, "%s ", dec->prefix); 487 prefix = buf; 488 } 489 type = dec->type; 490 } 491 switch (dec->rel) { 492 case REL_ALIAS: 493 f_print(fout, "%s%s %s", prefix, type, dec->name); 494 break; 495 case REL_VECTOR: 496 f_print(fout, "%s%s %s[%s]", prefix, type, dec->name, 497 dec->array_max); 498 break; 499 case REL_POINTER: 500 f_print(fout, "%s%s *%s", prefix, type, dec->name); 501 break; 502 case REL_ARRAY: 503 f_print(fout, "struct {\n"); 504 tabify(fout, tab); 505 f_print(fout, "\tu_int %s_len;\n", dec->name); 506 tabify(fout, tab); 507 f_print(fout, "\t%s%s *%s_val;\n", prefix, type, dec->name); 508 tabify(fout, tab); 509 f_print(fout, "} %s", dec->name); 510 break; 511 } 512 } 513 f_print(fout, "%s", separator); 514 } 515 516 static int 517 undefined2(type, stop) 518 char *type; 519 char *stop; 520 { 521 list *l; 522 definition *def; 523 524 for (l = defined; l != NULL; l = l->next) { 525 def = (definition *) l->val; 526 if (def->def_kind != DEF_PROGRAM) { 527 if (streq(def->def_name, stop)) { 528 return (1); 529 } else 530 if (streq(def->def_name, type)) { 531 return (0); 532 } 533 } 534 } 535 return (1); 536 } 537
Indexes created Sat Sep 20 22:09:52 GMT 2025