rpc_hout.c revision 1.7
1 /* $NetBSD: rpc_hout.c,v 1.7 1997/10/18 10:53:48 lukem 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 1.7 1997/10/18 10:53:48 lukem 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 parglist __P((proc_list *, char *)); 60 static void penumdef __P((definition *)); 61 static void ptypedef __P((definition *)); 62 static int undefined2 __P((char *, char *)); 63 64 /* 65 * Print the C-version of an xdr definition 66 */ 67 void 68 print_datadef(def) 69 definition *def; 70 { 71 72 if (def->def_kind == DEF_PROGRAM) /* handle data only */ 73 return; 74 75 if (def->def_kind != DEF_CONST) { 76 f_print(fout, "\n"); 77 } 78 switch (def->def_kind) { 79 case DEF_STRUCT: 80 pstructdef(def); 81 break; 82 case DEF_UNION: 83 puniondef(def); 84 break; 85 case DEF_ENUM: 86 penumdef(def); 87 break; 88 case DEF_TYPEDEF: 89 ptypedef(def); 90 break; 91 case DEF_PROGRAM: 92 pprogramdef(def); 93 break; 94 case DEF_CONST: 95 pconstdef(def); 96 break; 97 } 98 if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST) { 99 pxdrfuncdecl(def->def_name, 100 def->def_kind != DEF_TYPEDEF || 101 !isvectordef(def->def.ty.old_type, def->def.ty.rel)); 102 103 } 104 } 105 106 107 void 108 print_funcdef(def) 109 definition *def; 110 { 111 switch (def->def_kind) { 112 case DEF_PROGRAM: 113 f_print(fout, "\n"); 114 pprogramdef(def); 115 break; 116 case DEF_CONST: 117 case DEF_TYPEDEF: 118 case DEF_ENUM: 119 case DEF_UNION: 120 case DEF_STRUCT: 121 break; 122 } 123 } 124 125 void 126 pxdrfuncdecl(name, pointerp) 127 char *name; 128 int pointerp; 129 { 130 131 f_print(fout, "#ifdef __cplusplus\n"); 132 f_print(fout, "extern \"C\" bool_t xdr_%s(XDR *, %s%s);\n", 133 name, 134 name, pointerp ? ("*") : ""); 135 f_print(fout, "#elif __STDC__\n"); 136 f_print(fout, "extern bool_t xdr_%s(XDR *, %s%s);\n", 137 name, 138 name, pointerp ? ("*") : ""); 139 f_print(fout, "#else /* Old Style C */\n"); 140 f_print(fout, "bool_t xdr_%s();\n", name); 141 f_print(fout, "#endif /* Old Style C */\n\n"); 142 } 143 144 145 static void 146 pconstdef(def) 147 definition *def; 148 { 149 pdefine(def->def_name, def->def.co); 150 } 151 /* print out the definitions for the arguments of functions in the 152 header file 153 */ 154 static void 155 pargdef(def) 156 definition *def; 157 { 158 decl_list *l; 159 version_list *vers; 160 char *name; 161 proc_list *plist; 162 163 164 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 165 for (plist = vers->procs; plist != NULL; 166 plist = plist->next) { 167 168 if (!newstyle || plist->arg_num < 2) { 169 continue; /* old style or single args */ 170 } 171 name = plist->args.argname; 172 f_print(fout, "struct %s {\n", name); 173 for (l = plist->args.decls; 174 l != NULL; l = l->next) { 175 pdeclaration(name, &l->decl, 1, ";\n"); 176 } 177 f_print(fout, "};\n"); 178 f_print(fout, "typedef struct %s %s;\n", name, name); 179 pxdrfuncdecl(name, NULL); 180 f_print(fout, "\n"); 181 } 182 } 183 184 } 185 186 187 static void 188 pstructdef(def) 189 definition *def; 190 { 191 decl_list *l; 192 char *name = def->def_name; 193 194 f_print(fout, "struct %s {\n", name); 195 for (l = def->def.st.decls; l != NULL; l = l->next) { 196 pdeclaration(name, &l->decl, 1, ";\n"); 197 } 198 f_print(fout, "};\n"); 199 f_print(fout, "typedef struct %s %s;\n", name, name); 200 } 201 202 static void 203 puniondef(def) 204 definition *def; 205 { 206 case_list *l; 207 char *name = def->def_name; 208 declaration *decl; 209 210 f_print(fout, "struct %s {\n", name); 211 decl = &def->def.un.enum_decl; 212 if (streq(decl->type, "bool")) { 213 f_print(fout, "\tbool_t %s;\n", decl->name); 214 } else { 215 f_print(fout, "\t%s %s;\n", decl->type, decl->name); 216 } 217 f_print(fout, "\tunion {\n"); 218 for (l = def->def.un.cases; l != NULL; l = l->next) { 219 if (l->contflag == 0) 220 pdeclaration(name, &l->case_decl, 2, ";\n"); 221 } 222 decl = def->def.un.default_decl; 223 if (decl && !streq(decl->type, "void")) { 224 pdeclaration(name, decl, 2, ";\n"); 225 } 226 f_print(fout, "\t} %s_u;\n", name); 227 f_print(fout, "};\n"); 228 f_print(fout, "typedef struct %s %s;\n", name, name); 229 } 230 231 static void 232 pdefine(name, num) 233 char *name; 234 char *num; 235 { 236 f_print(fout, "#define %s %s\n", name, num); 237 } 238 239 static void 240 puldefine(name, num) 241 char *name; 242 char *num; 243 { 244 f_print(fout, "#define %s ((u_long)%s)\n", name, num); 245 } 246 247 static int 248 define_printed(stop, start) 249 proc_list *stop; 250 version_list *start; 251 { 252 version_list *vers; 253 proc_list *proc; 254 255 for (vers = start; vers != NULL; vers = vers->next) { 256 for (proc = vers->procs; proc != NULL; proc = proc->next) { 257 if (proc == stop) { 258 return (0); 259 } else 260 if (streq(proc->proc_name, stop->proc_name)) { 261 return (1); 262 } 263 } 264 } 265 errx(1, "Internal error %s, %d: procedure not found\n", 266 __FILE__, __LINE__); 267 /* NOTREACHED */ 268 } 269 270 static void 271 pprogramdef(def) 272 definition *def; 273 { 274 version_list *vers; 275 proc_list *proc; 276 int i; 277 char *ext; 278 279 pargdef(def); 280 281 puldefine(def->def_name, def->def.pr.prog_num); 282 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 283 if (tblflag) { 284 f_print(fout, "extern struct rpcgen_table %s_%s_table[];\n", 285 locase(def->def_name), vers->vers_num); 286 f_print(fout, "extern %s_%s_nproc;\n", 287 locase(def->def_name), vers->vers_num); 288 } 289 puldefine(vers->vers_name, vers->vers_num); 290 291 /* Print out 3 definitions, one for ANSI-C, another for C++, a 292 * third for old style C */ 293 294 for (i = 0; i < 3; i++) { 295 if (i == 0) { 296 f_print(fout, "\n#ifdef __cplusplus\n"); 297 ext = "extern \"C\" "; 298 } else 299 if (i == 1) { 300 f_print(fout, "\n#elif __STDC__\n"); 301 ext = "extern "; 302 } else { 303 f_print(fout, "\n#else /* Old Style C */\n"); 304 ext = "extern "; 305 } 306 307 308 for (proc = vers->procs; proc != NULL; proc = proc->next) { 309 if (!define_printed(proc, def->def.pr.versions)) { 310 puldefine(proc->proc_name, proc->proc_num); 311 } 312 f_print(fout, "%s", ext); 313 pprocdef(proc, vers, "CLIENT *", 0, i); 314 f_print(fout, "%s", ext); 315 pprocdef(proc, vers, "struct svc_req *", 1, i); 316 317 } 318 319 } 320 f_print(fout, "#endif /* Old Style C */\n"); 321 } 322 } 323 324 void 325 pprocdef(proc, vp, addargtype, server_p, mode) 326 proc_list *proc; 327 version_list *vp; 328 char *addargtype; 329 int server_p; 330 int mode; 331 { 332 333 ptype(proc->res_prefix, proc->res_type, 1); 334 f_print(fout, "* "); 335 if (server_p) 336 pvname_svc(proc->proc_name, vp->vers_num); 337 else 338 pvname(proc->proc_name, vp->vers_num); 339 340 /* 341 * mode 0 == cplusplus, mode 1 = ANSI-C, mode 2 = old style C 342 */ 343 if (mode == 0 || mode == 1) 344 parglist(proc, addargtype); 345 else 346 f_print(fout, "();\n"); 347 } 348 349 350 /* print out argument list of procedure */ 351 static void 352 parglist(proc, addargtype) 353 proc_list *proc; 354 char *addargtype; 355 { 356 decl_list *dl; 357 358 f_print(fout, "("); 359 360 if (proc->arg_num < 2 && newstyle && 361 streq(proc->args.decls->decl.type, "void")) { 362 /* 0 argument in new style: do nothing */ 363 } else { 364 for (dl = proc->args.decls; dl != NULL; dl = dl->next) { 365 ptype(dl->decl.prefix, dl->decl.type, 1); 366 if (!newstyle) 367 f_print(fout, "*"); /* old style passes by 368 * reference */ 369 370 f_print(fout, ", "); 371 } 372 } 373 374 f_print(fout, "%s);\n", addargtype); 375 } 376 377 static void 378 penumdef(def) 379 definition *def; 380 { 381 char *name = def->def_name; 382 enumval_list *l; 383 char *last = NULL; 384 int count = 0; 385 386 f_print(fout, "enum %s {\n", name); 387 for (l = def->def.en.vals; l != NULL; l = l->next) { 388 f_print(fout, "\t%s", l->name); 389 if (l->assignment) { 390 f_print(fout, " = %s", l->assignment); 391 last = l->assignment; 392 count = 1; 393 } else { 394 if (last == NULL) { 395 f_print(fout, " = %d", count++); 396 } else { 397 f_print(fout, " = %s + %d", last, count++); 398 } 399 } 400 f_print(fout, ",\n"); 401 } 402 f_print(fout, "};\n"); 403 f_print(fout, "typedef enum %s %s;\n", name, name); 404 } 405 406 static void 407 ptypedef(def) 408 definition *def; 409 { 410 char *name = def->def_name; 411 char *old = def->def.ty.old_type; 412 char prefix[8]; /* enough to contain "struct ", including NUL */ 413 relation rel = def->def.ty.rel; 414 415 416 if (!streq(name, old)) { 417 if (streq(old, "string")) { 418 old = "char"; 419 rel = REL_POINTER; 420 } else 421 if (streq(old, "opaque")) { 422 old = "char"; 423 } else 424 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 } 454 455 void 456 pdeclaration(name, dec, tab, separator) 457 char *name; 458 declaration *dec; 459 int tab; 460 char *separator; 461 { 462 char buf[8]; /* enough to hold "struct ", include NUL */ 463 char *prefix; 464 char *type; 465 466 if (streq(dec->type, "void")) { 467 return; 468 } 469 tabify(fout, tab); 470 if (streq(dec->type, name) && !dec->prefix) { 471 f_print(fout, "struct "); 472 } 473 if (streq(dec->type, "string")) { 474 f_print(fout, "char *%s", dec->name); 475 } else { 476 prefix = ""; 477 if (streq(dec->type, "bool")) { 478 type = "bool_t"; 479 } else 480 if (streq(dec->type, "opaque")) { 481 type = "char"; 482 } else { 483 if (dec->prefix) { 484 s_print(buf, "%s ", dec->prefix); 485 prefix = buf; 486 } 487 type = dec->type; 488 } 489 switch (dec->rel) { 490 case REL_ALIAS: 491 f_print(fout, "%s%s %s", prefix, type, dec->name); 492 break; 493 case REL_VECTOR: 494 f_print(fout, "%s%s %s[%s]", prefix, type, dec->name, 495 dec->array_max); 496 break; 497 case REL_POINTER: 498 f_print(fout, "%s%s *%s", prefix, type, dec->name); 499 break; 500 case REL_ARRAY: 501 f_print(fout, "struct {\n"); 502 tabify(fout, tab); 503 f_print(fout, "\tu_int %s_len;\n", dec->name); 504 tabify(fout, tab); 505 f_print(fout, "\t%s%s *%s_val;\n", prefix, type, dec->name); 506 tabify(fout, tab); 507 f_print(fout, "} %s", dec->name); 508 break; 509 } 510 } 511 f_print(fout, separator); 512 } 513 514 static int 515 undefined2(type, stop) 516 char *type; 517 char *stop; 518 { 519 list *l; 520 definition *def; 521 522 for (l = defined; l != NULL; l = l->next) { 523 def = (definition *) l->val; 524 if (def->def_kind != DEF_PROGRAM) { 525 if (streq(def->def_name, stop)) { 526 return (1); 527 } else 528 if (streq(def->def_name, type)) { 529 return (0); 530 } 531 } 532 } 533 return (1); 534 } 535
Indexes created Sun Sep 21 20:09:37 GMT 2025