rpc_hout.c revision 1.1.1.1
1 /* 2 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 3 * unrestricted use provided that this legend is included on all tape 4 * media and as a part of the software program in whole or part. Users 5 * may copy or modify Sun RPC without charge, but are not authorized 6 * to license or distribute it to anyone else except as part of a product or 7 * program developed by the user or with the express written consent of 8 * Sun Microsystems, Inc. 9 * 10 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 11 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 12 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 13 * 14 * Sun RPC is provided with no support and without any obligation on the 15 * part of Sun Microsystems, Inc. to assist in its use, correction, 16 * modification or enhancement. 17 * 18 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 19 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 20 * OR ANY PART THEREOF. 21 * 22 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 23 * or profits or other special, indirect and consequential damages, even if 24 * Sun has been advised of the possibility of such damages. 25 * 26 * Sun Microsystems, Inc. 27 * 2550 Garcia Avenue 28 * Mountain View, California 94043 29 */ 30 31 #ifndef lint 32 static char sccsid[] = "@(#)rpc_hout.c 1.12 89/02/22 (C) 1987 SMI"; 33 #endif 34 35 /* 36 * rpc_hout.c, Header file outputter for the RPC protocol compiler 37 */ 38 #include <stdio.h> 39 #include <ctype.h> 40 #include "rpc_parse.h" 41 #include "rpc_util.h" 42 43 44 /* 45 * Print the C-version of an xdr definition 46 */ 47 void 48 print_datadef(def) 49 definition *def; 50 { 51 52 if (def->def_kind == DEF_PROGRAM ) /* handle data only */ 53 return; 54 55 if (def->def_kind != DEF_CONST) { 56 f_print(fout, "\n"); 57 } 58 switch (def->def_kind) { 59 case DEF_STRUCT: 60 pstructdef(def); 61 break; 62 case DEF_UNION: 63 puniondef(def); 64 break; 65 case DEF_ENUM: 66 penumdef(def); 67 break; 68 case DEF_TYPEDEF: 69 ptypedef(def); 70 break; 71 case DEF_PROGRAM: 72 pprogramdef(def); 73 break; 74 case DEF_CONST: 75 pconstdef(def); 76 break; 77 } 78 if (def->def_kind != DEF_PROGRAM && def->def_kind != DEF_CONST) { 79 pxdrfuncdecl( def->def_name, 80 def->def_kind != DEF_TYPEDEF || 81 !isvectordef(def->def.ty.old_type, def->def.ty.rel)); 82 83 } 84 } 85 86 87 void 88 print_funcdef(def) 89 definition *def; 90 { 91 switch (def->def_kind) { 92 case DEF_PROGRAM: 93 f_print(fout, "\n"); 94 pprogramdef(def); 95 break; 96 } 97 } 98 99 pxdrfuncdecl( name, pointerp ) 100 char* name; 101 int pointerp; 102 { 103 104 f_print(fout,"#ifdef __cplusplus \n"); 105 f_print(fout, "extern \"C\" bool_t xdr_%s(XDR *, %s%s);\n", name, name, pointerp ? "*" : ""); 106 f_print(fout,"#elif __STDC__ \n"); 107 f_print(fout, "extern bool_t xdr_%s(XDR *, %s%s);\n", name, name, pointerp ? "*" : ""); 108 f_print(fout,"#else /* Old Style C */ \n"); 109 f_print(fout, "bool_t xdr_%s();\n", name); 110 f_print(fout,"#endif /* Old Style C */ \n\n"); 111 } 112 113 114 static 115 pconstdef(def) 116 definition *def; 117 { 118 pdefine(def->def_name, def->def.co); 119 } 120 121 /* print out the definitions for the arguments of functions in the 122 header file 123 */ 124 static 125 pargdef(def) 126 definition *def; 127 { 128 decl_list *l; 129 version_list *vers; 130 char *name; 131 proc_list *plist; 132 133 134 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 135 for(plist = vers->procs; plist != NULL; 136 plist = plist->next) { 137 138 if (!newstyle || plist->arg_num < 2) { 139 continue; /* old style or single args */ 140 } 141 name = plist->args.argname; 142 f_print(fout, "struct %s {\n", name); 143 for (l = plist->args.decls; 144 l != NULL; l = l->next) { 145 pdeclaration(name, &l->decl, 1, ";\n" ); 146 } 147 f_print(fout, "};\n"); 148 f_print(fout, "typedef struct %s %s;\n", name, name); 149 pxdrfuncdecl( name,NULL ); 150 f_print( fout, "\n" ); 151 } 152 } 153 154 } 155 156 157 static 158 pstructdef(def) 159 definition *def; 160 { 161 decl_list *l; 162 char *name = def->def_name; 163 164 f_print(fout, "struct %s {\n", name); 165 for (l = def->def.st.decls; l != NULL; l = l->next) { 166 pdeclaration(name, &l->decl, 1, ";\n"); 167 } 168 f_print(fout, "};\n"); 169 f_print(fout, "typedef struct %s %s;\n", name, name); 170 } 171 172 static 173 puniondef(def) 174 definition *def; 175 { 176 case_list *l; 177 char *name = def->def_name; 178 declaration *decl; 179 180 f_print(fout, "struct %s {\n", name); 181 decl = &def->def.un.enum_decl; 182 if (streq(decl->type, "bool")) { 183 f_print(fout, "\tbool_t %s;\n", decl->name); 184 } else { 185 f_print(fout, "\t%s %s;\n", decl->type, decl->name); 186 } 187 f_print(fout, "\tunion {\n"); 188 for (l = def->def.un.cases; l != NULL; l = l->next) { 189 if(l->contflag == 0) 190 pdeclaration(name, &l->case_decl, 2, ";\n" ); 191 } 192 decl = def->def.un.default_decl; 193 if (decl && !streq(decl->type, "void")) { 194 pdeclaration(name, decl, 2, ";\n" ); 195 } 196 f_print(fout, "\t} %s_u;\n", name); 197 f_print(fout, "};\n"); 198 f_print(fout, "typedef struct %s %s;\n", name, name); 199 } 200 201 static 202 pdefine(name, num) 203 char *name; 204 char *num; 205 { 206 f_print(fout, "#define %s %s\n", name, num); 207 } 208 209 static 210 puldefine(name, num) 211 char *name; 212 char *num; 213 { 214 f_print(fout, "#define %s ((u_long)%s)\n", name, num); 215 } 216 217 static 218 define_printed(stop, start) 219 proc_list *stop; 220 version_list *start; 221 { 222 version_list *vers; 223 proc_list *proc; 224 225 for (vers = start; vers != NULL; vers = vers->next) { 226 for (proc = vers->procs; proc != NULL; proc = proc->next) { 227 if (proc == stop) { 228 return (0); 229 } else if (streq(proc->proc_name, stop->proc_name)) { 230 return (1); 231 } 232 } 233 } 234 abort(); 235 /* NOTREACHED */ 236 } 237 238 static 239 pprogramdef(def) 240 definition *def; 241 { 242 version_list *vers; 243 proc_list *proc; 244 int i; 245 char *ext; 246 247 pargdef(def); 248 249 puldefine(def->def_name, def->def.pr.prog_num); 250 for (vers = def->def.pr.versions; vers != NULL; vers = vers->next) { 251 if (tblflag) { 252 f_print(fout, "extern struct rpcgen_table %s_%s_table[];\n", 253 locase(def->def_name), vers->vers_num); 254 f_print(fout, "extern %s_%s_nproc;\n", 255 locase(def->def_name), vers->vers_num); 256 } 257 puldefine(vers->vers_name, vers->vers_num); 258 259 /* 260 * Print out 3 definitions, one for ANSI-C, another for C++, 261 * a third for old style C 262 */ 263 264 for(i=0;i<3;i++){ 265 if(i==0){ 266 f_print(fout,"\n#ifdef __cplusplus\n"); 267 ext="extern \"C\" "; 268 }else if ( i== 1){ 269 f_print(fout,"\n#elif __STDC__\n"); 270 ext="extern " ; 271 }else{ 272 f_print(fout,"\n#else /* Old Style C */ \n"); 273 ext="extern "; 274 } 275 276 277 for (proc = vers->procs; proc != NULL; proc = proc->next) { 278 if (!define_printed(proc, def->def.pr.versions)) { 279 puldefine(proc->proc_name, proc->proc_num); 280 } 281 f_print(fout,"%s",ext); 282 pprocdef(proc, vers, "CLIENT *", 0,i); 283 f_print(fout,"%s",ext); 284 pprocdef(proc, vers, "struct svc_req *", 1,i); 285 286 } 287 288 } 289 f_print(fout,"#endif /* Old Style C */ \n"); 290 } 291 } 292 293 pprocdef(proc, vp, addargtype, server_p,mode) 294 proc_list *proc; 295 version_list *vp; 296 char* addargtype; 297 int server_p; 298 int mode; 299 { 300 301 302 303 304 ptype( proc->res_prefix, proc->res_type, 1 ); 305 f_print( fout, "* " ); 306 if( server_p ) 307 pvname_svc(proc->proc_name, vp->vers_num); 308 else 309 pvname(proc->proc_name, vp->vers_num); 310 311 /* 312 * mode 0 == cplusplus, mode 1 = ANSI-C, mode 2 = old style C 313 */ 314 if(mode == 0 || mode ==1) 315 parglist( proc, addargtype ); 316 else 317 f_print(fout, "();\n"); 318 319 320 321 } 322 323 324 325 /* print out argument list of procedure */ 326 static 327 parglist(proc, addargtype) 328 proc_list *proc; 329 char* addargtype; 330 { 331 decl_list *dl; 332 333 f_print(fout,"("); 334 335 if( proc->arg_num < 2 && newstyle && 336 streq( proc->args.decls->decl.type, "void")) { 337 /* 0 argument in new style: do nothing */ 338 } else { 339 for (dl = proc->args.decls; dl != NULL; dl = dl->next) { 340 ptype( dl->decl.prefix, dl->decl.type, 1 ); 341 if( !newstyle ) 342 f_print( fout, "*" ); /* old style passes by reference */ 343 344 f_print( fout, ", " ); 345 } 346 } 347 348 f_print(fout, "%s);\n", addargtype); 349 350 } 351 352 static 353 penumdef(def) 354 definition *def; 355 { 356 char *name = def->def_name; 357 enumval_list *l; 358 char *last = NULL; 359 int count = 0; 360 361 f_print(fout, "enum %s {\n", name); 362 for (l = def->def.en.vals; l != NULL; l = l->next) { 363 f_print(fout, "\t%s", l->name); 364 if (l->assignment) { 365 f_print(fout, " = %s", l->assignment); 366 last = l->assignment; 367 count = 1; 368 } else { 369 if (last == NULL) { 370 f_print(fout, " = %d", count++); 371 } else { 372 f_print(fout, " = %s + %d", last, count++); 373 } 374 } 375 f_print(fout, ",\n"); 376 } 377 f_print(fout, "};\n"); 378 f_print(fout, "typedef enum %s %s;\n", name, name); 379 } 380 381 static 382 ptypedef(def) 383 definition *def; 384 { 385 char *name = def->def_name; 386 char *old = def->def.ty.old_type; 387 char prefix[8]; /* enough to contain "struct ", including NUL */ 388 relation rel = def->def.ty.rel; 389 390 391 if (!streq(name, old)) { 392 if (streq(old, "string")) { 393 old = "char"; 394 rel = REL_POINTER; 395 } else if (streq(old, "opaque")) { 396 old = "char"; 397 } else if (streq(old, "bool")) { 398 old = "bool_t"; 399 } 400 if (undefined2(old, name) && def->def.ty.old_prefix) { 401 s_print(prefix, "%s ", def->def.ty.old_prefix); 402 } else { 403 prefix[0] = 0; 404 } 405 f_print(fout, "typedef "); 406 switch (rel) { 407 case REL_ARRAY: 408 f_print(fout, "struct {\n"); 409 f_print(fout, "\tu_int %s_len;\n", name); 410 f_print(fout, "\t%s%s *%s_val;\n", prefix, old, name); 411 f_print(fout, "} %s", name); 412 break; 413 case REL_POINTER: 414 f_print(fout, "%s%s *%s", prefix, old, name); 415 break; 416 case REL_VECTOR: 417 f_print(fout, "%s%s %s[%s]", prefix, old, name, 418 def->def.ty.array_max); 419 break; 420 case REL_ALIAS: 421 f_print(fout, "%s%s %s", prefix, old, name); 422 break; 423 } 424 f_print(fout, ";\n"); 425 } 426 } 427 428 pdeclaration(name, dec, tab, separator) 429 char *name; 430 declaration *dec; 431 int tab; 432 char *separator; 433 { 434 char buf[8]; /* enough to hold "struct ", include NUL */ 435 char *prefix; 436 char *type; 437 438 if (streq(dec->type, "void")) { 439 return; 440 } 441 tabify(fout, tab); 442 if (streq(dec->type, name) && !dec->prefix) { 443 f_print(fout, "struct "); 444 } 445 if (streq(dec->type, "string")) { 446 f_print(fout, "char *%s", dec->name); 447 } else { 448 prefix = ""; 449 if (streq(dec->type, "bool")) { 450 type = "bool_t"; 451 } else if (streq(dec->type, "opaque")) { 452 type = "char"; 453 } else { 454 if (dec->prefix) { 455 s_print(buf, "%s ", dec->prefix); 456 prefix = buf; 457 } 458 type = dec->type; 459 } 460 switch (dec->rel) { 461 case REL_ALIAS: 462 f_print(fout, "%s%s %s", prefix, type, dec->name); 463 break; 464 case REL_VECTOR: 465 f_print(fout, "%s%s %s[%s]", prefix, type, dec->name, 466 dec->array_max); 467 break; 468 case REL_POINTER: 469 f_print(fout, "%s%s *%s", prefix, type, dec->name); 470 break; 471 case REL_ARRAY: 472 f_print(fout, "struct {\n"); 473 tabify(fout, tab); 474 f_print(fout, "\tu_int %s_len;\n", dec->name); 475 tabify(fout, tab); 476 f_print(fout, "\t%s%s *%s_val;\n", prefix, type, dec->name); 477 tabify(fout, tab); 478 f_print(fout, "} %s", dec->name); 479 break; 480 } 481 } 482 f_print(fout, separator ); 483 } 484 485 static 486 undefined2(type, stop) 487 char *type; 488 char *stop; 489 { 490 list *l; 491 definition *def; 492 493 for (l = defined; l != NULL; l = l->next) { 494 def = (definition *) l->val; 495 if (def->def_kind != DEF_PROGRAM) { 496 if (streq(def->def_name, stop)) { 497 return (1); 498 } else if (streq(def->def_name, type)) { 499 return (0); 500 } 501 } 502 } 503 return (1); 504 } 505
Indexes created Tue Oct 21 19:09:51 GMT 2025