src/rxgen/rpc_parse.c

   1 /* @(#)rpc_parse.c      1.1 87/11/04 3.9 RPCSRC */
   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.
   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 /*
  32  * rpc_parse.c, Parser for the RPC protocol compiler
  33  * Copyright (C) 1987 Sun Microsystems, Inc.
  34  */
  35 #include <afsconfig.h>
  36 #include <afs/param.h>
  37
  38 #include <roken.h>
  39
  40 #include <ctype.h>
  41
  42 #include "rpc_scan.h"
  43 #include "rpc_parse.h"
  44 #include "rpc_util.h"
  45
  46 list *proc_defined[MAX_PACKAGES], *special_defined, *typedef_defined,
  47     *uniondef_defined, *complex_defined;
  48 char *SplitStart = NULL;
  49 char *SplitEnd = NULL;
  50 char *MasterPrefix = NULL;
  51 char *ServerPrefix = "";
  52 char *PackagePrefix[MAX_PACKAGES];
  53 char *PackageStatIndex[MAX_PACKAGES];
  54 int no_of_stat_funcs = 0;       /*
  55                                  * current function number in client interface
  56                                  * starts at 0
  57                                  */
  58 int no_of_stat_funcs_header[MAX_PACKAGES];      /*
  59                                                  * Total number of functions in client
  60                                                  * interface
  61                                                  */
  62 int no_of_opcodes[MAX_PACKAGES], master_no_of_opcodes = 0;
  63 int lowest_opcode[MAX_PACKAGES], master_lowest_opcode = 99999;
  64 int highest_opcode[MAX_PACKAGES], master_highest_opcode = 0;
  65 int master_opcodenumber = 99999;
  66 int opcodesnotallowed[MAX_PACKAGES];
  67 int combinepackages = 0;
  68 int PackageIndex = -1;
  69 int PerProcCounter = 0;
  70 int Multi_Init = 0;
  71
  72 /*
  73  * Character arrays to keep list of function names as we process the file
  74  */
  75
  76 char function_list[MAX_PACKAGES]
  77     [MAX_FUNCTIONS_PER_PACKAGE]
  78     [MAX_FUNCTION_NAME_LEN];
  79 int function_list_index;
  80
  81 /* static prototypes */
  82 static void isdefined(definition * defp);
  83 static void def_struct(definition * defp);
  84 static void def_program(definition * defp);
  85 static void def_enum(definition * defp);
  86 static void def_const(definition * defp);
  87 static void def_union(definition * defp);
  88 static void def_typedef(definition * defp);
  89 static void get_declaration(declaration * dec, defkind dkind);
  90 static void get_type(char **prefixp, char **typep, defkind dkind);
  91 static void unsigned_dec(char **typep);
  92 static void def_package(definition * defp);
  93 static void def_prefix(definition * defp);
  94 static void def_statindex(definition * defp);
  95 static void def_startingopcode(definition * defp);
  96 static void def_split(definition * defp);
  97 static void customize_struct(definition * defp);
  98 static char *structname(char *name);
  99 static void def_special(declaration * dec, definition * defp);
 100 static void check_proc(definition * defp, token * tokp, int noname);
 101 static int InvalidConstant(char *name);
 102 static int opcodenum_is_defined(int opcode_num);
 103 static void analyze_ProcParams(definition * defp, token * tokp);
 104 static void generate_code(definition * defp, int proc_split_flag,
 105                           int multi_flag);
 106 static void handle_split_proc(definition * defp, int multi_flag);
 107 static void do_split(definition * defp, int direction, int *numofparams,
 108                      defkind param_kind, int restore_flag);
 109 static void hdle_param_tok(definition * defp, declaration * dec, token * tokp,
 110                            defkind par_kind);
 111 static void get1_param_type(definition * defp, declaration * dec,
 112                             char **param_type);
 113 static void get_param_type(definition * defp, declaration * dec,
 114                            char **param_type, char **typename);
 115 #ifdef undef
 116 static void hndle_param_tail(definition * defp, declaration * dec,
 117                              token * tokp, char *typename);
 118 #endif
 119 static void cs_Proc_CodeGeneration(definition * defp, int split_flag,
 120                                    char *procheader);
 121 static void cs_ProcName_setup(definition * defp, char *procheader,
 122                               int split_flag);
 123 static void cs_ProcParams_setup(definition * defp, int split_flag);
 124 static void cs_ProcMarshallInParams_setup(definition * defp, int split_flag);
 125 static void cs_ProcSendPacket_setup(definition * defp, int split_flag);
 126 static void cs_ProcUnmarshallOutParams_setup(definition * defp);
 127 static void cs_ProcTail_setup(definition * defp, int split_flag);
 128 static void ucs_ProcName_setup(definition * defp, char *procheader,
 129                               int split_flag);
 130 static void ucs_ProcParams_setup(definition * defp, int split_flag);
 131 static void ucs_ProcTail_setup(definition * defp, int split_flag);
 132 static void ss_Proc_CodeGeneration(definition * defp);
 133 static void ss_ProcName_setup(definition * defp);
 134 static void ss_ProcParams_setup(definition * defp);
 135 static void ss_ProcSpecial_setup(definition * defp);
 136 static void ss_ProcUnmarshallInParams_setup(definition * defp);
 137 static void ss_ProcCallRealProc_setup(definition * defp);
 138 static void ss_ProcMarshallOutParams_setup(definition * defp);
 139 static void ss_ProcTail_setup(definition * defp);
 140 static int opcode_holes_exist(void);
 141 static void er_ProcDeclExterns_setup(void);
 142 static void er_ProcProcsArray_setup(void);
 143 static void er_ProcMainBody_setup(void);
 144 static void er_HeadofOldStyleProc_setup(void);
 145 static void er_BodyofOldStyleProc_setup(void);
 146 static void proc_er_case(definition * defp);
 147 static void er_TailofOldStyleProc_setup(void);
 148
 149
 150
 151 /*
 152  * return the next definition you see
 153  */
 154 definition *
 155 get_definition(void)
 156 {
 157     definition *defp;
 158     token tok;
 159
 160     defp = ALLOC(definition);
 161     memset(defp, 0, sizeof(definition));
 162     get_token(&tok);
 163     switch (tok.kind) {
 164     case TOK_STRUCT:
 165         def_struct(defp);
 166         break;
 167     case TOK_UNION:
 168         def_union(defp);
 169         break;
 170     case TOK_TYPEDEF:
 171         def_typedef(defp);
 172         break;
 173     case TOK_ENUM:
 174         def_enum(defp);
 175         break;
 176     case TOK_PROGRAM:
 177         def_program(defp);
 178         break;
 179     case TOK_CONST:
 180         def_const(defp);
 181         break;
 182     case TOK_EOF:
 183         return (NULL);
 184     case TOK_PACKAGE:
 185         def_package(defp);
 186         break;
 187     case TOK_PREFIX:
 188         def_prefix(defp);
 189         break;
 190     case TOK_STATINDEX:
 191         def_statindex(defp);
 192         break;
 193     case TOK_SPECIAL:
 194         {
 195             declaration dec;
 196             def_special(&dec, defp);
 197             break;
 198         }
 199     case TOK_STARTINGOPCODE:
 200         def_startingopcode(defp);
 201         break;
 202     case TOK_CUSTOMIZED:
 203         get_token(&tok);
 204         def_struct(defp);
 205         customize_struct(defp);
 206         break;
 207     case TOK_SPLITPREFIX:
 208         def_split(defp);
 209         break;
 210     case TOK_PROC:
 211         get_token(&tok);
 212         if (tok.kind == TOK_LPAREN) {
 213             unget_token(&tok);
 214             check_proc(defp, &tok, 1);
 215         } else
 216             check_proc(defp, &tok, 0);
 217         break;
 218     case TOK_IDENT:
 219         check_proc(defp, &tok, 0);
 220         break;
 221     case TOK_LPAREN:
 222         unget_token(&tok);
 223         check_proc(defp, &tok, 1);
 224         break;
 225     default:
 226         error("definition keyword expected");
 227     }
 228     if (!IsRxgenToken(&tok)) {
 229         scan(TOK_SEMICOLON, &tok);
 230         isdefined(defp);
 231     } else
 232         pushed = 0;
 233     return (defp);
 234 }
 235
 236 static void
 237 isdefined(definition * defp)
 238 {
 239     STOREVAL(&defined, defp);
 240 }
 241
 242
 243 static void
 244 def_struct(definition * defp)
 245 {
 246     token tok;
 247     declaration dec;
 248     decl_list *decls;
 249     decl_list **tailp;
 250     int special = 0;
 251
 252     defp->def_kind = DEF_STRUCT;
 253
 254     scan(TOK_IDENT, &tok);
 255     defp->def_name = tok.str;
 256     scan(TOK_LBRACE, &tok);
 257     tailp = &defp->def.st.decls;
 258     do {
 259         get_declaration(&dec, DEF_STRUCT);
 260         /* If a structure contains an array, then we're going
 261          * to need to be clever about freeing it */
 262         if (dec.rel == REL_ARRAY) {
 263            special = 1;
 264         }
 265         decls = ALLOC(decl_list);
 266         decls->decl = dec;
 267         *tailp = decls;
 268         tailp = &decls->next;
 269         scan(TOK_SEMICOLON, &tok);
 270         peek(&tok);
 271     } while (tok.kind != TOK_RBRACE);
 272     get_token(&tok);
 273     *tailp = NULL;
 274
 275     if (special)
 276         STOREVAL(&complex_defined, defp);
 277 }
 278
 279 static void
 280 def_program(definition * defp)
 281 {
 282     token tok;
 283     version_list *vlist;
 284     version_list **vtailp;
 285     proc_list *plist;
 286     proc_list **ptailp;
 287
 288     defp->def_kind = DEF_PROGRAM;
 289     scan(TOK_IDENT, &tok);
 290     defp->def_name = tok.str;
 291     scan(TOK_LBRACE, &tok);
 292     vtailp = &defp->def.pr.versions;
 293     scan(TOK_VERSION, &tok);
 294     do {
 295         scan(TOK_IDENT, &tok);
 296         vlist = ALLOC(version_list);
 297         vlist->vers_name = tok.str;
 298         scan(TOK_LBRACE, &tok);
 299         ptailp = &vlist->procs;
 300         do {
 301             plist = ALLOC(proc_list);
 302             get_type(&plist->res_prefix, &plist->res_type, DEF_PROGRAM);
 303             if (streq(plist->res_type, "opaque")) {
 304                 error("illegal result type");
 305             }
 306             scan(TOK_IDENT, &tok);
 307             plist->proc_name = tok.str;
 308             scan(TOK_LPAREN, &tok);
 309             get_type(&plist->arg_prefix, &plist->arg_type, DEF_PROGRAM);
 310             if (streq(plist->arg_type, "opaque")) {
 311                 error("illegal argument type");
 312             }
 313             scan(TOK_RPAREN, &tok);
 314             scan(TOK_EQUAL, &tok);
 315             scan_num(&tok);
 316             scan(TOK_SEMICOLON, &tok);
 317             plist->proc_num = tok.str;
 318             *ptailp = plist;
 319             ptailp = &plist->next;
 320             peek(&tok);
 321         } while (tok.kind != TOK_RBRACE);
 322         *vtailp = vlist;
 323         vtailp = &vlist->next;
 324         scan(TOK_RBRACE, &tok);
 325         scan(TOK_EQUAL, &tok);
 326         scan_num(&tok);
 327         vlist->vers_num = tok.str;
 328         scan(TOK_SEMICOLON, &tok);
 329         scan2(TOK_VERSION, TOK_RBRACE, &tok);
 330     } while (tok.kind == TOK_VERSION);
 331     scan(TOK_EQUAL, &tok);
 332     scan_num(&tok);
 333     defp->def.pr.prog_num = tok.str;
 334     *vtailp = NULL;
 335 }
 336
 337 static void
 338 def_enum(definition * defp)
 339 {
 340     token tok;
 341     enumval_list *elist;
 342     enumval_list **tailp;
 343
 344     defp->def_kind = DEF_ENUM;
 345     scan(TOK_IDENT, &tok);
 346     defp->def_name = tok.str;
 347     scan(TOK_LBRACE, &tok);
 348     tailp = &defp->def.en.vals;
 349     do {
 350         scan(TOK_IDENT, &tok);
 351         elist = ALLOC(enumval_list);
 352         elist->name = tok.str;
 353         elist->assignment = NULL;
 354         scan3(TOK_COMMA, TOK_RBRACE, TOK_EQUAL, &tok);
 355         if (tok.kind == TOK_EQUAL) {
 356             scan_num(&tok);
 357             elist->assignment = tok.str;
 358             scan2(TOK_COMMA, TOK_RBRACE, &tok);
 359         }
 360         *tailp = elist;
 361         tailp = &elist->next;
 362     } while (tok.kind != TOK_RBRACE);
 363     *tailp = NULL;
 364 }
 365
 366 static void
 367 def_const(definition * defp)
 368 {
 369     token tok;
 370
 371     defp->def_kind = DEF_CONST;
 372     scan(TOK_IDENT, &tok);
 373     defp->def_name = tok.str;
 374     scan(TOK_EQUAL, &tok);
 375     scan2(TOK_IDENT, TOK_STRCONST, &tok);
 376     defp->def.co = tok.str;
 377 }
 378
 379 static void
 380 def_union(definition * defp)
 381 {
 382     token tok;
 383     declaration dec;
 384     case_list *cases;
 385     case_list **tailp;
 386
 387     defp->def_kind = DEF_UNION;
 388     scan(TOK_IDENT, &tok);
 389     defp->def_name = tok.str;
 390     scan(TOK_SWITCH, &tok);
 391     scan(TOK_LPAREN, &tok);
 392     get_declaration(&dec, DEF_UNION);
 393     defp->def.un.enum_decl = dec;
 394     tailp = &defp->def.un.cases;
 395     scan(TOK_RPAREN, &tok);
 396     scan(TOK_LBRACE, &tok);
 397     scan(TOK_CASE, &tok);
 398     while (tok.kind == TOK_CASE) {
 399         scan(TOK_IDENT, &tok);
 400         cases = ALLOC(case_list);
 401         cases->case_name = tok.str;
 402         scan(TOK_COLON, &tok);
 403         get_declaration(&dec, DEF_UNION);
 404         cases->case_decl = dec;
 405         *tailp = cases;
 406         tailp = &cases->next;
 407         scan(TOK_SEMICOLON, &tok);
 408         scan3(TOK_CASE, TOK_DEFAULT, TOK_RBRACE, &tok);
 409     }
 410     *tailp = NULL;
 411     if (tok.kind == TOK_DEFAULT) {
 412         scan(TOK_COLON, &tok);
 413         get_declaration(&dec, DEF_UNION);
 414         defp->def.un.default_decl = ALLOC(declaration);
 415         *defp->def.un.default_decl = dec;
 416         scan(TOK_SEMICOLON, &tok);
 417         scan(TOK_RBRACE, &tok);
 418     } else {
 419         defp->def.un.default_decl = NULL;
 420     }
 421 }
 422
 423
 424 static void
 425 def_typedef(definition * defp)
 426 {
 427     declaration dec;
 428
 429     defp->def_kind = DEF_TYPEDEF;
 430     get_declaration(&dec, DEF_TYPEDEF);
 431     defp->def_name = dec.name;
 432     defp->def.ty.old_prefix = dec.prefix;
 433     defp->def.ty.old_type = dec.type;
 434     defp->def.ty.rel = dec.rel;
 435     defp->def.ty.array_max = dec.array_max;
 436 }
 437
 438
 439 static void
 440 get_declaration(declaration * dec, defkind dkind)
 441 {
 442     token tok;
 443
 444     get_type(&dec->prefix, &dec->type, dkind);
 445     dec->rel = REL_ALIAS;
 446     if (streq(dec->type, "void")) {
 447         return;
 448     }
 449     scan2(TOK_STAR, TOK_IDENT, &tok);
 450     if (tok.kind == TOK_STAR) {
 451         dec->rel = REL_POINTER;
 452         scan(TOK_IDENT, &tok);
 453     }
 454     dec->name = tok.str;
 455     if (peekscan(TOK_LBRACKET, &tok)) {
 456         if (dec->rel == REL_POINTER) {
 457             error("no array-of-pointer declarations -- use typedef");
 458         }
 459         dec->rel = REL_VECTOR;
 460         scan_num(&tok);
 461         dec->array_max = tok.str;
 462         scan(TOK_RBRACKET, &tok);
 463     } else if (peekscan(TOK_LANGLE, &tok)) {
 464         if (dec->rel == REL_POINTER) {
 465             error("no array-of-pointer declarations -- use typedef");
 466         }
 467         dec->rel = REL_ARRAY;
 468         if (peekscan(TOK_RANGLE, &tok)) {
 469             dec->array_max = "~0";      /* unspecified size, use max */
 470         } else {
 471             scan_num(&tok);
 472             dec->array_max = tok.str;
 473             scan(TOK_RANGLE, &tok);
 474         }
 475     }
 476     if (streq(dec->type, "opaque")) {
 477         if (dec->rel != REL_ARRAY && dec->rel != REL_VECTOR) {
 478             error("array declaration expected");
 479         }
 480     } else if (streq(dec->type, "string")) {
 481         if (dec->rel != REL_ARRAY) {
 482             error(" variable-length array declaration expected");
 483         }
 484     }
 485 }
 486
 487
 488 static void
 489 get_type(char **prefixp, char **typep, defkind dkind)
 490 {
 491     token tok;
 492
 493     *prefixp = NULL;
 494     get_token(&tok);
 495     switch (tok.kind) {
 496     case TOK_IDENT:
 497         *typep = tok.str;
 498         break;
 499     case TOK_STRUCT:
 500     case TOK_ENUM:
 501     case TOK_UNION:
 502         *prefixp = tok.str;
 503         scan(TOK_IDENT, &tok);
 504         *typep = tok.str;
 505         break;
 506     case TOK_UNSIGNED:
 507         unsigned_dec(typep);
 508         break;
 509     case TOK_SHORT:
 510         *typep = "short";
 511         (void)peekscan(TOK_INT, &tok);
 512         break;
 513     case TOK_INT32:
 514         *typep = "afs_int32";
 515         (void)peekscan(TOK_INT, &tok);
 516         break;
 517     case TOK_VOID:
 518         if (dkind != DEF_UNION && dkind != DEF_PROGRAM) {
 519             error("voids allowed only inside union and program definitions");
 520         }
 521         *typep = tok.str;
 522         break;
 523     case TOK_STRING:
 524     case TOK_OPAQUE:
 525     case TOK_CHAR:
 526     case TOK_INT:
 527     case TOK_FLOAT:
 528     case TOK_DOUBLE:
 529     case TOK_BOOL:
 530     case TOK_AFSUUID:
 531         *typep = tok.str;
 532         break;
 533     default:
 534         error("expected type specifier");
 535     }
 536 }
 537
 538
 539 static void
 540 unsigned_dec(char **typep)
 541 {
 542     token tok;
 543
 544     peek(&tok);
 545     switch (tok.kind) {
 546     case TOK_CHAR:
 547         get_token(&tok);
 548         *typep = "u_char";
 549         break;
 550     case TOK_SHORT:
 551         get_token(&tok);
 552         *typep = "u_short";
 553         (void)peekscan(TOK_INT, &tok);
 554         break;
 555     case TOK_INT32:
 556         get_token(&tok);
 557         *typep = "afs_uint32";
 558         (void)peekscan(TOK_INT, &tok);
 559         break;
 560     case TOK_INT:
 561         get_token(&tok);
 562         *typep = "u_int";
 563         break;
 564     default:
 565         *typep = "u_int";
 566         break;
 567     }
 568 }
 569
 570
 571 static void
 572 def_package(definition * defp)
 573 {
 574     token tok;
 575
 576     defp->def_kind = DEF_PACKAGE;
 577     scan(TOK_IDENT, &tok);
 578     defp->def_name = tok.str;
 579     no_of_stat_funcs = 0;
 580     if (PackageIndex++ >= MAX_PACKAGES)
 581         error("Exceeded upper limit of package statements\n");
 582     function_list_index = 0;
 583     PackagePrefix[PackageIndex] = tok.str;
 584     if (MasterPrefix == NULL)
 585         MasterPrefix = tok.str;
 586     no_of_opcodes[PackageIndex] = highest_opcode[PackageIndex] =
 587         opcodesnotallowed[PackageIndex] = 0;
 588     lowest_opcode[PackageIndex] = 99999;
 589     proc_defined[PackageIndex] = NULL;
 590     PackageStatIndex[PackageIndex] = NULL;
 591 }
 592
 593 static void
 594 def_prefix(definition * defp)
 595 {
 596     token tok;
 597
 598     defp->def_kind = DEF_PREFIX;
 599     scan(TOK_IDENT, &tok);
 600     defp->def_name = tok.str;
 601     ServerPrefix = tok.str;
 602 }
 603
 604 static void
 605 def_statindex(definition * defp)
 606 {
 607     token tok;
 608     char *name;
 609
 610     defp->def_kind = DEF_CONST;
 611     scan_num(&tok);
 612     if (PackageIndex < 0)
 613         error("'statindex' command must follow 'package' command!\n");
 614     if (PackageStatIndex[PackageIndex])
 615         error("Cannot have more then one 'statindex' per package!\n");
 616     if (InvalidConstant(tok.str))
 617         error("Index in 'statindex' command must be a constant!");
 618     name =
 619         alloc(strlen(PackagePrefix[PackageIndex]) + strlen("STATINDEX") + 1);
 620     strcpy(name, PackagePrefix[PackageIndex]);
 621     strcat(name, "STATINDEX");
 622     defp->def_name = name;
 623     defp->def.co = tok.str;
 624     PackageStatIndex[PackageIndex] = name;
 625 }
 626
 627 static void
 628 def_startingopcode(definition * defp)
 629 {
 630     token tok;
 631
 632     defp->def_kind = DEF_STARTINGOPCODE;
 633     scan(TOK_IDENT, &tok);
 634     defp->def_name = tok.str;
 635     if (InvalidConstant(defp->def_name))
 636         error("Opcode in 'startingopcode' command must be a constant!");
 637     lowest_opcode[PackageIndex] = master_lowest_opcode = atoi(tok.str);
 638     if (lowest_opcode[PackageIndex] < 0
 639         || lowest_opcode[PackageIndex] > 99999)
 640         error
 641             ("startingopcode number is out of bounds (must be >= 0 < 100000)");
 642     master_opcodenumber = lowest_opcode[PackageIndex];
 643     opcodesnotallowed[PackageIndex] = 1;
 644 }
 645
 646 static void
 647 def_split(definition * defp)
 648 {
 649     token tok;
 650
 651     defp->def_kind = DEF_SPLITPREFIX;
 652     do {
 653         get_token(&tok);
 654         switch (tok.kind) {
 655         case TOK_IN:
 656             scan(TOK_EQUAL, &tok);
 657             scan(TOK_IDENT, &tok);
 658             SplitStart = tok.str;
 659             break;
 660         case TOK_OUT:
 661             scan(TOK_EQUAL, &tok);
 662             scan(TOK_IDENT, &tok);
 663             SplitEnd = tok.str;
 664             break;
 665         case TOK_SEMICOLON:
 666             break;
 667         default:
 668             error("syntax error in the 'splitprefix' line");
 669         }
 670     } while (tok.kind != TOK_SEMICOLON);
 671     if (!SplitStart && !SplitEnd)
 672         error("At least one param should be passed to 'splitprefix' cmd");
 673 }
 674
 675
 676 static void
 677 customize_struct(definition * defp)
 678 {
 679     decl_list *listp;
 680     declaration *dec;
 681     definition *defp1 = ALLOC(definition);
 682     spec_list *specs, **tailp;
 683
 684     defp->def_kind = DEF_CUSTOMIZED;
 685     defp1->def_kind = DEF_SPECIAL;
 686     tailp = &defp1->def.sd.specs;
 687     for (listp = defp->def.st.decls; listp; listp = listp->next) {
 688         dec = &listp->decl;
 689         if (streq(dec->type, "string") || (dec->rel == REL_POINTER)) {
 690             specs = ALLOC(spec_list);
 691             specs->sdef.string_name = dec->name;
 692             specs->sdef.string_value = defp->def_name;
 693             *tailp = specs;
 694             tailp = &specs->next;
 695         }
 696     }
 697     tailp = NULL;
 698     STOREVAL(&special_defined, defp1);
 699 }
 700
 701 static char *
 702 structname(char *name)
 703 {
 704     static char namecontents[150];
 705     char *pnt, *pnt1;
 706
 707     strcpy(namecontents, name);
 708     pnt = namecontents;
 709     if (!strncmp(pnt, "struct", 6))
 710         pnt += 6;
 711     while (isspace(*pnt))
 712         pnt++;
 713     pnt1 = pnt;
 714     while (*pnt != ' ' && *pnt != '\0')
 715         pnt++;
 716     *pnt = '\0';
 717     return pnt1;
 718 }
 719
 720
 721 static void
 722 def_special(declaration * dec, definition * defp)
 723 {
 724     char *typename;
 725     spec_list *specs, **tailp;
 726     token tok;
 727
 728     defp->def_kind = DEF_SPECIAL;
 729     get_type(&dec->prefix, &dec->type, DEF_SPECIAL);
 730     dec->rel = REL_POINTER;
 731     scan(TOK_IDENT, &tok);
 732     tailp = &defp->def.sd.specs;
 733     do {
 734         specs = ALLOC(spec_list);
 735         specs->sdef.string_name = tok.str;
 736         get_param_type(defp, dec, &specs->sdef.string_value, &typename);
 737         *tailp = specs;
 738         tailp = &specs->next;
 739         scan2(TOK_COMMA, TOK_SEMICOLON, &tok);
 740         if (tok.kind == TOK_SEMICOLON)
 741             break;
 742         get_token(&tok);
 743     } while (tok.kind == TOK_IDENT);
 744     tailp = NULL;
 745     STOREVAL(&special_defined, defp);
 746 }
 747
 748
 749 proc1_list *Proc_list, **Proc_listp;
 750
 751 static void
 752 check_proc(definition * defp, token * tokp, int noname)
 753 {
 754     token tok;
 755     int proc_split = 0;
 756     int proc_multi = 0;
 757
 758     if (PackageIndex < 0)
 759         error("Procedure must be in a package!\n");
 760
 761     tokp->kind = TOK_PROC;
 762     defp->def_kind = DEF_PROC;
 763     if (noname)
 764         defp->pc.proc_name = "";
 765     else
 766         defp->pc.proc_name = tokp->str;
 767     PerProcCounter = 0;
 768     defp->pc.proc_prefix = alloc(strlen(PackagePrefix[PackageIndex]) + 1);
 769     strcpy(defp->pc.proc_prefix, PackagePrefix[PackageIndex]);
 770     scan2(TOK_LPAREN, TOK_IDENT, &tok);
 771     defp->pc.proc_serverstub = NULL;
 772     if (tok.kind == TOK_IDENT) {
 773         defp->pc.proc_serverstub = tok.str;
 774         scan(TOK_LPAREN, &tok);
 775     }
 776     analyze_ProcParams(defp, &tok);
 777     defp->pc.proc_opcodenum = -1;
 778     scan4(TOK_SPLIT, TOK_MULTI, TOK_EQUAL, TOK_SEMICOLON, &tok);
 779     if (tok.kind == TOK_MULTI) {
 780         proc_multi = 1;
 781         defp->pc.multi_flag = 1;
 782         scan2(TOK_EQUAL, TOK_SEMICOLON, &tok);
 783     } else {
 784         defp->pc.multi_flag = 0;
 785     }
 786     if (tok.kind == TOK_SPLIT) {
 787         proc_split = 1;
 788         defp->pc.split_flag = 1;
 789         scan2(TOK_EQUAL, TOK_SEMICOLON, &tok);
 790     } else {
 791         defp->pc.split_flag = 0;
 792     }
 793     if (tok.kind == TOK_EQUAL) {
 794         if (opcodesnotallowed[PackageIndex])
 795             error("Opcode assignment isn't allowed here!");
 796         scan_num(&tok);
 797         if (InvalidConstant(tok.str))
 798             error("Illegal Opcode assignment (Must be a constant opcode!)");
 799         if (opcodenum_is_defined(atoi(tok.str)))
 800             error("The opcode number is already used by a previous proc");
 801         defp->pc.proc_opcodename = tok.str;
 802         defp->pc.proc_opcodenum = atoi(tok.str);
 803         if (defp->pc.proc_opcodenum < lowest_opcode[PackageIndex])
 804             lowest_opcode[PackageIndex] = defp->pc.proc_opcodenum;
 805         if (defp->pc.proc_opcodenum < master_lowest_opcode)
 806             master_lowest_opcode = defp->pc.proc_opcodenum;
 807         if (defp->pc.proc_opcodenum > highest_opcode[PackageIndex])
 808             highest_opcode[PackageIndex] = defp->pc.proc_opcodenum;
 809         if (defp->pc.proc_opcodenum > master_highest_opcode)
 810             master_highest_opcode = defp->pc.proc_opcodenum;
 811         scan(TOK_SEMICOLON, &tok);
 812     } else {
 813         if (master_opcodenumber == 99999)
 814             master_opcodenumber = 0;
 815         defp->pc.proc_opcodenum = master_opcodenumber++;
 816         if (defp->pc.proc_opcodenum < lowest_opcode[PackageIndex])
 817             lowest_opcode[PackageIndex] = defp->pc.proc_opcodenum;
 818         if (defp->pc.proc_opcodenum > highest_opcode[PackageIndex])
 819             highest_opcode[PackageIndex] = defp->pc.proc_opcodenum;
 820         if (defp->pc.proc_opcodenum > master_highest_opcode)
 821             master_highest_opcode = defp->pc.proc_opcodenum;
 822         opcodesnotallowed[PackageIndex] = 1;    /* force it */
 823     }
 824     no_of_opcodes[PackageIndex]++, master_no_of_opcodes++;
 825     if (proc_multi) {
 826         generate_code(defp, 0, 1);
 827         if (Cflag || cflag) {
 828             generate_code(defp, 1, 1);
 829         }
 830         generate_multi_macros(defp);
 831     } else {
 832         generate_code(defp, proc_split, 0);
 833     }
 834
 835     if (function_list_index >= MAX_FUNCTIONS_PER_INTERFACE) {
 836         error("too many functions in interface, "
 837               "increase MAX_FUNCTIONS_PER_INTERFACE");
 838     }
 839     sprintf(function_list[PackageIndex][function_list_index], "%s%s%s",
 840             prefix, PackagePrefix[PackageIndex], defp->pc.proc_name);
 841
 842     function_list_index++;
 843     no_of_stat_funcs_header[PackageIndex]++;
 844     no_of_stat_funcs++;
 845     *Proc_listp = NULL;
 846 }
 847
 848
 849 #define LEGALNUMS "0123456789"
 850 static int
 851 InvalidConstant(char *name)
 852 {
 853     char *map;
 854     int slen;
 855
 856     map = LEGALNUMS;
 857     slen = (int)strlen(name);
 858     return (slen != strspn(name, map));
 859 }
 860
 861 static int
 862 opcodenum_is_defined(int opcode_num)
 863 {
 864     list *listp;
 865     definition *defp;
 866
 867     for (listp = proc_defined[PackageIndex]; listp != NULL;
 868          listp = listp->next) {
 869         defp = (definition *) listp->val;
 870         if (opcode_num == defp->pc.proc_opcodenum)
 871             return 1;
 872     }
 873     return 0;
 874 }
 875
 876
 877 static void
 878 analyze_ProcParams(definition * defp, token * tokp)
 879 {
 880     declaration dec;
 881     decl_list *decls, **tailp;
 882
 883     Proc_listp = &defp->pc.plists;
 884     tailp = &defp->def.st.decls;
 885     do {
 886         get_token(tokp);
 887         Proc_list = ALLOC(proc1_list);
 888         memset(Proc_list, 0, sizeof(proc1_list));
 889         Proc_list->pl.param_flag = 0;
 890         switch (tokp->kind) {
 891         case TOK_IN:
 892             hdle_param_tok(defp, &dec, tokp, DEF_INPARAM);
 893             break;
 894         case TOK_OUT:
 895             hdle_param_tok(defp, &dec, tokp, DEF_OUTPARAM);
 896             break;
 897         case TOK_INOUT:
 898             hdle_param_tok(defp, &dec, tokp, DEF_INOUTPARAM);
 899             break;
 900         case TOK_RPAREN:
 901             break;
 902         default:
 903             unget_token(tokp);
 904             hdle_param_tok(defp, &dec, tokp, DEF_NULL);
 905             break;
 906         }
 907         *Proc_listp = Proc_list;
 908         Proc_listp = &Proc_list->next;
 909         decls = ALLOC(decl_list);
 910         memset(decls, 0, sizeof(decl_list));
 911     if (tokp->kind != TOK_RPAREN)
 912         decls->decl = dec;
 913         *tailp = decls;
 914         tailp = &decls->next;
 915     } while (tokp->kind != TOK_RPAREN);
 916     *tailp = NULL;
 917 }
 918
 919
 920 static void
 921 generate_code(definition * defp, int proc_split_flag, int multi_flag)
 922 {
 923     if (proc_split_flag)
 924         handle_split_proc(defp, multi_flag);
 925     else {
 926         if (Cflag || cflag) {
 927             cs_Proc_CodeGeneration(defp, 0, "");
 928         }
 929         if (Sflag || cflag)
 930             ss_Proc_CodeGeneration(defp);
 931     }
 932     if (Sflag || (cflag && xflag && !proc_split_flag))
 933         STOREVAL(&proc_defined[PackageIndex], defp);
 934 }
 935
 936
 937 static void
 938 handle_split_proc(definition * defp, int multi_flag)
 939 {
 940     char *startname = SplitStart, *endname = SplitEnd;
 941     int numofparams = 0;
 942
 943     if (!startname)
 944         startname = "Start";
 945     if (!endname)
 946         endname = "End";
 947     if (Cflag || cflag) {
 948         if (!cflag) {
 949             do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 0);
 950         }
 951         cs_Proc_CodeGeneration(defp, 1, startname);
 952         if (!cflag) {
 953             do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 1);
 954             do_split(defp, IN, &numofparams, DEF_INPARAM, 0);
 955         }
 956         cs_Proc_CodeGeneration(defp, (multi_flag ? 3 : 2), endname);
 957         if (!cflag) {
 958             do_split(defp, IN, &numofparams, DEF_INPARAM, 1);
 959         }
 960     }
 961     if (Sflag || cflag)
 962         ss_Proc_CodeGeneration(defp);
 963 }
 964
 965
 966 static void
 967 do_split(definition * defp, int direction, int *numofparams,
 968          defkind param_kind, int restore_flag)
 969 {
 970     proc1_list *plist;
 971
 972     if (restore_flag) {
 973         defp->pc.paramtypes[direction] = *numofparams;
 974         for (plist = defp->pc.plists; plist; plist = plist->next) {
 975             if (plist->component_kind == DEF_NULL
 976                 && plist->pl.param_kind == param_kind)
 977                 plist->component_kind = DEF_PARAM;
 978         }
 979     } else {
 980         *numofparams = defp->pc.paramtypes[direction];
 981         defp->pc.paramtypes[direction] = 0;
 982         for (plist = defp->pc.plists; plist; plist = plist->next) {
 983             if (plist->component_kind == DEF_PARAM
 984                 && plist->pl.param_kind == param_kind)
 985                 plist->component_kind = DEF_NULL;
 986         }
 987     }
 988 }
 989
 990
 991 static void
 992 hdle_param_tok(definition * defp, declaration * dec, token * tokp,
 993                defkind par_kind)
 994 {
 995     static defkind last_param_kind = DEF_NULL;
 996
 997     if (par_kind == DEF_NULL)
 998         Proc_list->pl.param_kind = last_param_kind;
 999     else
1000         Proc_list->pl.param_kind = par_kind;
1001     last_param_kind = Proc_list->pl.param_kind;
1002     defp->pc.paramtypes[(int)last_param_kind]++;
1003     Proc_list->component_kind = DEF_PARAM;
1004     Proc_list->code = alloc(250);
1005     Proc_list->scode = alloc(250);
1006     get_declaration(dec, DEF_PARAM);
1007     Proc_list->pl.param_name = dec->name;
1008     get1_param_type(defp, dec, &Proc_list->pl.param_type);
1009     print_param(dec);
1010     scan2(TOK_COMMA, TOK_RPAREN, tokp);
1011     if (tokp->kind == TOK_COMMA)
1012         peek(tokp);
1013 }
1014
1015
1016 static void
1017 get1_param_type(definition * defp, declaration * dec, char **param_type)
1018 {
1019     char typecontents[100];
1020
1021     if (streq(dec->type, "string")) {
1022         *param_type = "char *";
1023     } else {
1024         if (dec->prefix) {
1025             strcpy(typecontents, dec->prefix);
1026             strcat(typecontents, " ");
1027             strcat(typecontents, dec->type);
1028             strcat(typecontents, " *");
1029         } else if (dec->rel == REL_POINTER) {
1030             strcpy(typecontents, dec->type);
1031             strcat(typecontents, " *");
1032         } else
1033             strcpy(typecontents, dec->type);
1034         *param_type = alloc(100);
1035         strcpy(*param_type, typecontents);
1036     }
1037 }
1038
1039
1040 static void
1041 get_param_type(definition * defp, declaration * dec, char **param_type,
1042                char **typename)
1043 {
1044     char typecontents[100];
1045
1046     if (streq(dec->type, "string")) {
1047         *typename = "wrapstring";
1048         *param_type = "char *";
1049     } else {
1050         *typename = dec->type;
1051         if (dec->prefix) {
1052             strcpy(typecontents, dec->prefix);
1053             strcat(typecontents, " ");
1054             strcat(typecontents, dec->type);
1055             strcat(typecontents, " *");
1056             dec->rel = REL_POINTER;
1057         } else if (dec->rel == REL_POINTER) {
1058             strcpy(typecontents, dec->type);
1059             strcat(typecontents, " *");
1060         } else
1061             strcpy(typecontents, dec->type);
1062         *param_type = alloc(100);
1063         strcpy(*param_type, typecontents);
1064     }
1065 }
1066
1067
1068 #ifdef undef
1069 static void
1070 hndle_param_tail(definition * defp, declaration * dec, token * tokp,
1071                  char *typename)
1072 {
1073     char *amp;
1074
1075     if (dec->rel == REL_POINTER)
1076         Proc_list->pl.param_flag |= INDIRECT_PARAM;
1077     else
1078         Proc_list->pl.param_flag &= ~INDIRECT_PARAM;
1079     amp = "";
1080     if (!(Proc_list->pl.param_flag & INDIRECT_PARAM))
1081         amp = "&";
1082
1083     sprintf(Proc_list->code, "xdr_%s(&z_xdrs, %s%s)", typename, amp,
1084             Proc_list->pl.param_name);
1085     sprintf(Proc_list->scode, "xdr_%s(z_xdrs, &%s)", typename,
1086             Proc_list->pl.param_name);
1087     scan2(TOK_COMMA, TOK_RPAREN, tokp);
1088     if (tokp->kind == TOK_COMMA)
1089         peek(tokp);
1090 }
1091 #endif
1092
1093
1094 static void
1095 cs_Proc_CodeGeneration(definition * defp, int split_flag, char *procheader)
1096 {
1097     defp->can_fail = 0;
1098     cs_ProcName_setup(defp, procheader, split_flag);
1099     if (!cflag) {
1100         cs_ProcParams_setup(defp, split_flag);
1101         cs_ProcMarshallInParams_setup(defp, split_flag);
1102         if (split_flag != 1) {
1103             cs_ProcSendPacket_setup(defp, split_flag);
1104             cs_ProcUnmarshallOutParams_setup(defp);
1105         }
1106         cs_ProcTail_setup(defp, split_flag);
1107     }
1108
1109     if (!kflag && !split_flag && uflag) {
1110         ucs_ProcName_setup(defp, "ubik_", split_flag);
1111         if (!cflag) {
1112             ucs_ProcParams_setup(defp, split_flag);
1113             ucs_ProcTail_setup(defp, split_flag);
1114         }
1115     }
1116 }
1117
1118 static void
1119 cs_ProcName_setup(definition * defp, char *procheader, int split_flag)
1120 {
1121     proc1_list *plist;
1122     char *first_arg;
1123
1124     if (ansic_flag) {
1125         if (split_flag) {
1126             first_arg = "struct rx_call *z_call";
1127         } else {
1128             first_arg = "struct rx_connection *z_conn";
1129         }
1130     } else {
1131         if (split_flag) {
1132             first_arg = "z_call";
1133         } else {
1134             first_arg = "z_conn";
1135         }
1136     }
1137
1138     if (!cflag) {
1139         f_print(fout, "int %s%s%s%s(%s", procheader, prefix,
1140                 PackagePrefix[PackageIndex], defp->pc.proc_name, first_arg);
1141     }
1142     if ((strlen(procheader) + strlen(prefix) +
1143          strlen(PackagePrefix[PackageIndex]) + strlen(defp->pc.proc_name)) >=
1144         MAX_FUNCTION_NAME_LEN) {
1145         error("function name is too long, increase MAX_FUNCTION_NAME_LEN");
1146     }
1147     if (!cflag) {
1148         for (plist = defp->pc.plists; plist; plist = plist->next) {
1149             if (plist->component_kind == DEF_PARAM) {
1150                 if (ansic_flag) {
1151                     if (plist->pl.param_flag & OUT_STRING) {
1152                         f_print(fout, ",%s *%s", plist->pl.param_type,
1153                                 plist->pl.param_name);
1154                     } else {
1155                         f_print(fout, ",%s %s", plist->pl.param_type,
1156                                 plist->pl.param_name);
1157                     }
1158                 } else {
1159                     f_print(fout, ", %s", plist->pl.param_name);
1160                     plist->pl.param_flag &= ~PROCESSED_PARAM;
1161                 }
1162             }
1163         }
1164         f_print(fout, ")\n");
1165     }
1166 }
1167
1168 static void
1169 cs_ProcParams_setup(definition * defp, int split_flag)
1170 {
1171     proc1_list *plist, *plist1;
1172
1173     if (ansic_flag)
1174         return;
1175
1176     if (!split_flag)
1177         f_print(fout, "\tstruct rx_connection *z_conn;\n");
1178     if (split_flag) {
1179         f_print(fout, "\tstruct rx_call *z_call;\n");
1180     }
1181     for (plist = defp->pc.plists; plist; plist = plist->next) {
1182         if (plist->component_kind == DEF_PARAM
1183             && !(plist->pl.param_flag & PROCESSED_PARAM)) {
1184             if (plist->pl.param_flag & OUT_STRING) {
1185                 f_print(fout, "\t%s *%s", plist->pl.param_type,
1186                         plist->pl.param_name);
1187             } else {
1188                 f_print(fout, "\t%s %s", plist->pl.param_type,
1189                         plist->pl.param_name);
1190             }
1191             plist->pl.param_flag |= PROCESSED_PARAM;
1192             for (plist1 = defp->pc.plists; plist1; plist1 = plist1->next) {
1193                 if ((plist1->component_kind == DEF_PARAM)
1194                     && streq(plist->pl.param_type, plist1->pl.param_type)
1195                     && !(plist1->pl.param_flag & PROCESSED_PARAM)) {
1196                     char *star = "";
1197                     char *pntr = strchr(plist1->pl.param_type, '*');
1198                     if (pntr)
1199                         star = "*";
1200                     if (plist1->pl.param_flag & OUT_STRING) {
1201                         f_print(fout, ", *%s%s", star, plist1->pl.param_name);
1202                     } else {
1203                         f_print(fout, ", %s%s", star, plist1->pl.param_name);
1204                     }
1205                     plist1->pl.param_flag |= PROCESSED_PARAM;
1206                 }
1207             }
1208             f_print(fout, ";\n");
1209         }
1210     }
1211 }
1212
1213
1214 static void
1215 cs_ProcMarshallInParams_setup(definition * defp, int split_flag)
1216 {
1217     int noofparams, i = 0;
1218     proc1_list *plist;
1219     decl_list *dl;
1220     int noofallparams =
1221         defp->pc.paramtypes[IN] + defp->pc.paramtypes[INOUT] +
1222         defp->pc.paramtypes[OUT];
1223
1224     f_print(fout, "{\n");
1225     if (!split_flag)
1226         f_print(fout, "\tstruct rx_call *z_call = rx_NewCall(z_conn);\n");
1227     if ((!split_flag) || (split_flag == 1)) {
1228         if (opcodesnotallowed[PackageIndex]) {
1229             f_print(fout, "\tstatic int z_op = %d;\n",
1230                     defp->pc.proc_opcodenum);
1231         } else {
1232             f_print(fout, "\tstatic int z_op = %s;\n",
1233                     defp->pc.proc_opcodename);
1234         }
1235     }
1236     f_print(fout, "\tint z_result;\n");
1237     if (!(split_flag > 1) || (noofallparams != 0)) {
1238         f_print(fout, "\tXDR z_xdrs;\n");
1239     }
1240
1241     if ((!split_flag) || (split_flag == 1)) {
1242         f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_ENCODE);\n");
1243         f_print(fout, "\n\t/* Marshal the arguments */\n");
1244         f_print(fout, "\tif ((!xdr_int(&z_xdrs, &z_op))");
1245         noofparams = defp->pc.paramtypes[IN] + defp->pc.paramtypes[INOUT];
1246         for (plist = defp->pc.plists, dl = defp->def.st.decls; plist;
1247              plist = plist->next, dl = dl->next) {
1248             if (plist->component_kind == DEF_PARAM
1249                 && (plist->pl.param_kind == DEF_INPARAM
1250                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1251                 f_print(fout, "\n\t     || (!%s)", plist->code);
1252                 if (++i == noofparams) {
1253                     f_print(fout,
1254                             ") {\n\t\tz_result = RXGEN_CC_MARSHAL;\n\t\tgoto fail;\n\t}\n\n");
1255                     defp->can_fail = 1;
1256                 }
1257             }
1258         }
1259         if (!i) {
1260             f_print(fout,
1261                     ") {\n\t\tz_result = RXGEN_CC_MARSHAL;\n\t\tgoto fail;\n\t}\n\n");
1262             defp->can_fail = 1;
1263         }
1264     }
1265 }
1266
1267
1268 static void
1269 cs_ProcSendPacket_setup(definition * defp, int split_flag)
1270 {
1271     int noofoutparams = defp->pc.paramtypes[INOUT] + defp->pc.paramtypes[OUT];
1272
1273     if (noofoutparams) {
1274         f_print(fout, "\t/* Un-marshal the reply arguments */\n");
1275         if (split_flag) {
1276             f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_DECODE);\n");
1277         } else {
1278             f_print(fout, "\tz_xdrs.x_op = XDR_DECODE;\n");
1279         }
1280     }
1281 }
1282
1283
1284 static void
1285 cs_ProcUnmarshallOutParams_setup(definition * defp)
1286 {
1287     int noofparams, i;
1288     proc1_list *plist;
1289     decl_list *dl;
1290
1291     noofparams = defp->pc.paramtypes[INOUT] + defp->pc.paramtypes[OUT];
1292     if (noofparams)
1293         for (plist = defp->pc.plists, dl = defp->def.st.decls, i = 0; plist;
1294              plist = plist->next, dl = dl->next) {
1295             if (plist->component_kind == DEF_PARAM
1296                 && (plist->pl.param_kind == DEF_OUTPARAM
1297                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1298                 if (!i) {
1299                     f_print(fout, "\tif ((!%s)", plist->code);
1300                 } else {
1301                     f_print(fout, "\n\t     || (!%s)", plist->code);
1302                 }
1303                 if (++i == noofparams) {
1304                     f_print(fout,
1305                             ") {\n\t\tz_result = RXGEN_CC_UNMARSHAL;\n\t\tgoto fail;\n\t}\n\n");
1306                     defp->can_fail = 1;
1307                 }
1308             }
1309         }
1310 }
1311
1312
1313 static void
1314 cs_ProcTail_setup(definition * defp, int split_flag)
1315 {
1316     f_print(fout, "\tz_result = RXGEN_SUCCESS;\n");
1317     if (defp->can_fail) {
1318         f_print(fout, "fail:\n");
1319     }
1320     if (!split_flag) {
1321         f_print(fout, "\tz_result = rx_EndCall(z_call, z_result);\n");
1322     }
1323     if (xflag && split_flag != 1) {
1324         f_print(fout, "\tif (rx_enable_stats) {\n");
1325         if (PackageStatIndex[PackageIndex]) {
1326             f_print(fout,
1327                     "\t    rx_RecordCallStatistics(z_call, %s,\n",
1328                     PackageStatIndex[PackageIndex]);
1329         } else {
1330             f_print(fout,
1331                     "\t    rx_RecordCallStatistics(z_call, \n"
1332                     "\t\t(((afs_uint32)(ntohs(rx_ServiceIdOf(rx_ConnectionOf(z_call))) << 16)) |\n"
1333                     "\t\t((afs_uint32)ntohs(rx_PortOf(rx_PeerOf(rx_ConnectionOf(z_call)))))),\n");
1334         }
1335         f_print(fout, "\t\t%d, %sNO_OF_STAT_FUNCS, 1);\n",
1336                 no_of_stat_funcs, PackagePrefix[PackageIndex]);
1337         f_print(fout, "\t}\n\n");
1338     }
1339     f_print(fout, "\treturn z_result;\n}\n\n");
1340 }
1341
1342
1343 static void
1344 ss_Proc_CodeGeneration(definition * defp)
1345 {
1346     defp->can_fail = 0;
1347     ss_ProcName_setup(defp);
1348     if (!cflag) {
1349         ss_ProcParams_setup(defp);
1350         ss_ProcSpecial_setup(defp);
1351         ss_ProcUnmarshallInParams_setup(defp);
1352         ss_ProcCallRealProc_setup(defp);
1353         ss_ProcMarshallOutParams_setup(defp);
1354         ss_ProcTail_setup(defp);
1355     }
1356 }
1357
1358
1359 static void
1360 ss_ProcName_setup(definition * defp)
1361 {
1362     proc1_list *plist;
1363
1364     if ((strlen(prefix) + strlen(PackagePrefix[PackageIndex]) +
1365          strlen(defp->pc.proc_name)) >= MAX_FUNCTION_NAME_LEN) {
1366         error("function name is too long, increase MAX_FUNCTION_NAME_LEN");
1367     }
1368
1369     if (!cflag) {
1370         f_print(fout, "static afs_int32 _%s%s%s(", prefix,
1371                 PackagePrefix[PackageIndex], defp->pc.proc_name);
1372         f_print(fout, "struct rx_call *z_call, XDR *z_xdrs)\n{\n");
1373         f_print(fout, "\t" "afs_int32 z_result;\n");
1374
1375         for (plist = defp->pc.plists; plist; plist = plist->next)
1376             if (plist->component_kind == DEF_PARAM) {
1377                 plist->pl.param_flag &= ~(PROCESSED_PARAM);
1378                 plist->pl.string_name = NULL;
1379             }
1380     }
1381 }
1382
1383
1384 static void
1385 ss_ProcParams_setup(definition * defp)
1386 {
1387     proc1_list *plist, *plist1;
1388     list *listp;
1389     definition *defp1;
1390
1391     for (plist = defp->pc.plists; plist; plist = plist->next) {
1392         if ((plist->component_kind == DEF_PARAM)
1393             && !(plist->pl.param_flag & PROCESSED_PARAM)) {
1394             if (plist->pl.param_flag & INDIRECT_PARAM) {
1395                 char pres = '\0', *pntr = strchr(plist->pl.param_type, '*');
1396                 if (pntr) {
1397                     --pntr;
1398                     pres = *pntr;
1399                     *pntr = (char)0;
1400                 }
1401                 f_print(fout, "\t%s %s", plist->pl.param_type,
1402                         plist->pl.param_name);
1403                 *pntr = pres;
1404             } else if (strchr(plist->pl.param_type, '*') == 0) {
1405                 f_print(fout, "\t%s %s", plist->pl.param_type,
1406                         plist->pl.param_name);
1407             } else {
1408                 plist->pl.param_flag |= FREETHIS_PARAM;
1409                 f_print(fout, "\t%s %s=(%s)0", plist->pl.param_type,
1410                         plist->pl.param_name, plist->pl.param_type);
1411             }
1412             plist->pl.param_flag |= PROCESSED_PARAM;
1413             for (plist1 = defp->pc.plists; plist1; plist1 = plist1->next) {
1414                 if ((plist1->component_kind == DEF_PARAM)
1415                     && streq(plist->pl.param_type, plist1->pl.param_type)
1416                     && !(plist1->pl.param_flag & PROCESSED_PARAM)) {
1417                     if (plist1->pl.param_flag & INDIRECT_PARAM) {
1418                         f_print(fout, ", %s", plist1->pl.param_name);
1419                     } else if (strchr(plist1->pl.param_type, '*') == 0) {
1420                         f_print(fout, ", %s", plist1->pl.param_name);
1421                     } else {
1422                         plist1->pl.param_flag |= FREETHIS_PARAM;
1423                         f_print(fout, ", *%s=(%s)0", plist1->pl.param_name,
1424                                 plist1->pl.param_type);
1425                     }
1426                     plist1->pl.param_flag |= PROCESSED_PARAM;
1427                 }
1428             }
1429             f_print(fout, ";\n");
1430         }
1431     }
1432     for (listp = typedef_defined; listp != NULL; listp = listp->next) {
1433         defp1 = (definition *) listp->val;
1434         for (plist = defp->pc.plists; plist; plist = plist->next) {
1435             if (plist->component_kind == DEF_PARAM
1436                 && (plist->pl.param_kind == DEF_OUTPARAM
1437                     || plist->pl.param_kind == DEF_INOUTPARAM)
1438                 && !(plist->pl.param_flag & FREETHIS_PARAM)) {
1439                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1440                     switch (defp1->pc.rel) {
1441                     case REL_ARRAY:
1442                     case REL_POINTER:
1443                     default:
1444                         break;
1445                     }
1446                 }
1447             }
1448         }
1449     }
1450     fprintf(fout, "\n");
1451 }
1452
1453
1454 static void
1455 ss_ProcSpecial_setup(definition * defp)
1456 {
1457     proc1_list *plist;
1458     definition *defp1;
1459     list *listp;
1460
1461     for (listp = special_defined; listp != NULL; listp = listp->next) {
1462         defp1 = (definition *) listp->val;
1463
1464         for (plist = defp->pc.plists; plist; plist = plist->next) {
1465             if (plist->component_kind == DEF_PARAM
1466                 && (plist->pl.param_kind == DEF_INPARAM
1467                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1468                 spec_list *spec = defp1->def.sd.specs;
1469                 char string[40];
1470                 strcpy(string, structname(spec->sdef.string_value));
1471                 if (streq(string, structname(plist->pl.param_type))) {
1472                     plist->pl.string_name = spec->sdef.string_name;
1473                     plist->pl.param_flag |= FREETHIS_PARAM;
1474                     fprintf(fout, "\n\t%s.%s = 0;", plist->pl.param_name,
1475                             spec->sdef.string_name);
1476                 }
1477             }
1478         }
1479     }
1480     for (listp = typedef_defined; listp != NULL; listp = listp->next) {
1481         defp1 = (definition *) listp->val;
1482         for (plist = defp->pc.plists; plist; plist = plist->next) {
1483             if (plist->component_kind == DEF_PARAM) {
1484                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1485                     plist->pl.param_flag |= FREETHIS_PARAM;
1486                     switch (defp1->pc.rel) {
1487                     case REL_ARRAY:
1488                         plist->pl.string_name = alloc(40);
1489                         if (brief_flag) {
1490                             f_print(fout, "\n\t%s.val = 0;",
1491                                     plist->pl.param_name);
1492                             f_print(fout, "\n\t%s.len = 0;",
1493                                     plist->pl.param_name);
1494                             s_print(plist->pl.string_name, "val");
1495                         } else {
1496                             f_print(fout, "\n\t%s.%s_val = 0;",
1497                                     plist->pl.param_name, defp1->def_name);
1498                             f_print(fout, "\n\t%s.%s_len = 0;",
1499                                     plist->pl.param_name, defp1->def_name);
1500                             s_print(plist->pl.string_name, "%s_val",
1501                                     defp1->def_name);
1502                         }
1503                         break;
1504                     case REL_POINTER:
1505                         f_print(fout, "\n\t%s = 0;", plist->pl.param_name);
1506                         plist->pl.string_name = NULL;
1507                         break;
1508                     default:
1509                         break;
1510                     }
1511                 }
1512             }
1513         }
1514     }
1515     for (listp = complex_defined; listp != NULL; listp = listp->next) {
1516         defp1 = (definition *) listp->val;
1517         for (plist = defp->pc.plists; plist; plist = plist->next) {
1518             if (plist->component_kind == DEF_PARAM) {
1519                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1520                     plist->pl.param_flag |= FREETHIS_PARAM;
1521                     fprintf(fout, "\n\tmemset(&%s, 0, sizeof(%s));",
1522                                  plist->pl.param_name, defp1->def_name);
1523                 }
1524             }
1525         }
1526     }
1527
1528     f_print(fout, "\n");
1529 }
1530
1531
1532 static void
1533 ss_ProcUnmarshallInParams_setup(definition * defp)
1534 {
1535     int noofparams, noofoutparams, i;
1536     proc1_list *plist;
1537
1538     noofparams = defp->pc.paramtypes[IN] + defp->pc.paramtypes[INOUT];
1539     noofoutparams = defp->pc.paramtypes[INOUT] + defp->pc.paramtypes[OUT];
1540     for (plist = defp->pc.plists, i = 0; plist; plist = plist->next) {
1541         if (plist->component_kind == DEF_PARAM
1542             && (plist->pl.param_kind == DEF_INPARAM
1543                 || plist->pl.param_kind == DEF_INOUTPARAM)) {
1544             if (!i) {
1545                 f_print(fout, "\n\tif ((!%s)",
1546                         (plist->scode ? plist->scode : plist->code));
1547             } else {
1548                 f_print(fout, "\n\t     || (!%s)",
1549                         (plist->scode ? plist->scode : plist->code));
1550             }
1551             if (++i == noofparams) {
1552                 if (!noofoutparams) {
1553                     f_print(fout, ") {\n");
1554                 } else {
1555                     f_print(fout, ") {\n");
1556                 }
1557                 f_print(fout,
1558                         "\t\tz_result = RXGEN_SS_UNMARSHAL;\n\t\tgoto fail;\n\t}\n\n");
1559                 defp->can_fail = 1;
1560             }
1561         }
1562     }
1563 }
1564
1565
1566 static void
1567 ss_ProcCallRealProc_setup(definition * defp)
1568 {
1569     extern char zflag;
1570     proc1_list *plist;
1571
1572     f_print(fout, "\tz_result = %s%s%s%s(z_call", prefix, ServerPrefix,
1573             PackagePrefix[PackageIndex], defp->pc.proc_name);
1574     for (plist = defp->pc.plists; plist; plist = plist->next) {
1575         if (plist->component_kind == DEF_PARAM) {
1576             if (plist->pl.param_flag & INDIRECT_PARAM) {
1577                 f_print(fout, ", &%s", plist->pl.param_name);
1578             } else {
1579                 if (plist->pl.param_flag & OUT_STRING) {
1580                     f_print(fout, ", &%s", plist->pl.param_name);
1581                 } else {
1582                     f_print(fout, ", %s", plist->pl.param_name);
1583                 }
1584             }
1585         }
1586     }
1587     f_print(fout, ");\n");
1588     if (zflag) {
1589         f_print(fout, "\tif (z_result)\n\t\treturn z_result;\n");
1590     }
1591 }
1592
1593
1594 static void
1595 ss_ProcMarshallOutParams_setup(definition * defp)
1596 {
1597     proc1_list *plist;
1598     int noofparams, i;
1599
1600     noofparams = defp->pc.paramtypes[INOUT] + defp->pc.paramtypes[OUT];
1601     if (noofparams)
1602         f_print(fout, "\tz_xdrs->x_op = XDR_ENCODE;\n");
1603     if (noofparams) {
1604         for (plist = defp->pc.plists, i = 0; plist; plist = plist->next) {
1605             if (plist->component_kind == DEF_PARAM
1606                 && (plist->pl.param_kind == DEF_OUTPARAM
1607                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1608                 if (!i) {
1609                     f_print(fout, "\tif ((!%s)",
1610                             (plist->scode ? plist->scode : plist->code));
1611                 } else {
1612                     f_print(fout, "\n\t     || (!%s)",
1613                             (plist->scode ? plist->scode : plist->code));
1614                 }
1615                 if (++i == noofparams) {
1616                     f_print(fout, ")\n\t\tz_result = RXGEN_SS_MARSHAL;\n");
1617                 }
1618             }
1619         }
1620     }
1621 }
1622
1623 static void
1624 ss_ProcTail_frees(char *xdrfunc, int *somefrees) {
1625     if (!*somefrees) {
1626         f_print(fout, "\tz_xdrs->x_op = XDR_FREE;\n");
1627         f_print(fout, "\tif ((!%s)", xdrfunc);
1628         *somefrees = 1;
1629     } else {
1630         f_print(fout, "\n\t    || (!%s)", xdrfunc);
1631     }
1632 }
1633
1634
1635 static void
1636 ss_ProcTail_setup(definition * defp)
1637 {
1638     proc1_list *plist;
1639     definition *defp1;
1640     list *listp;
1641     int somefrees = 0;
1642
1643     if (defp->can_fail) {
1644         f_print(fout, "fail:\n");
1645     }
1646
1647     for (plist = defp->pc.plists; plist; plist = plist->next) {
1648         if (plist->component_kind == DEF_PARAM
1649                 && (plist->pl.param_flag & FREETHIS_PARAM))
1650             ss_ProcTail_frees(plist->scode, &somefrees);
1651     }
1652
1653     for (listp = typedef_defined; listp != NULL; listp = listp->next) {
1654         defp1 = (definition *) listp->val;
1655         for (plist = defp->pc.plists; plist; plist = plist->next) {
1656             if (plist->component_kind == DEF_PARAM
1657                 && (plist->pl.param_kind == DEF_OUTPARAM
1658                     || plist->pl.param_kind == DEF_INOUTPARAM)
1659                 && !(plist->pl.param_flag & FREETHIS_PARAM)) {
1660                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1661                     switch (defp1->pc.rel) {
1662                     case REL_ARRAY:
1663                     case REL_POINTER:
1664                         ss_ProcTail_frees(plist->scode, &somefrees);
1665                         break;
1666                     default:
1667                         break;
1668                     }
1669                 }
1670             }
1671         }
1672     }
1673
1674     for (listp = uniondef_defined; listp != NULL; listp = listp->next) {
1675         defp1 = (definition *) listp->val;
1676         for (plist = defp->pc.plists; plist; plist = plist->next) {
1677             if (plist->component_kind == DEF_PARAM
1678                 && (plist->pl.param_kind == DEF_OUTPARAM
1679                     || plist->pl.param_kind == DEF_INOUTPARAM)
1680                 && !(plist->pl.param_flag & FREETHIS_PARAM)) {
1681                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1682                     if (plist->pl.param_flag & INDIRECT_PARAM) {
1683                         ss_ProcTail_frees(plist->scode, &somefrees);
1684                     }
1685                 }
1686             }
1687         }
1688     }
1689
1690     if (somefrees) {
1691         f_print(fout, ")\n");
1692         f_print(fout, "\t\tz_result = RXGEN_SS_XDRFREE;\n\n");
1693     }
1694
1695     if (xflag) {
1696         f_print(fout, "\tif (rx_enable_stats) {\n");
1697         f_print(fout, "\t    rx_RecordCallStatistics(z_call,");
1698         if (PackageStatIndex[PackageIndex]) {
1699             f_print(fout, " %s,\n", PackageStatIndex[PackageIndex]);
1700         } else {
1701             f_print(fout,
1702                     "\n\t\t(((afs_uint32)(ntohs(rx_ServiceIdOf(rx_ConnectionOf(z_call))) << 16)) |\n"
1703                     "\t\t((afs_uint32)ntohs(rx_ServiceOf(rx_ConnectionOf(z_call))->servicePort))),\n");
1704         }
1705         f_print(fout, "\t\t%d, %sNO_OF_STAT_FUNCS, 0);\n",
1706                 no_of_stat_funcs, PackagePrefix[PackageIndex]);
1707         f_print(fout, "\t}\n\n");
1708     }
1709
1710     f_print(fout, "\treturn z_result;\n");
1711     f_print(fout, "}\n\n");
1712 }
1713
1714
1715 static void
1716 ucs_ProcName_setup(definition * defp, char *procheader, int split_flag)
1717 {
1718     proc1_list *plist;
1719
1720     if (!cflag) {
1721         if (ansic_flag) {
1722             f_print(fout, "int %s%s%s%s(struct ubik_client *aclient, afs_int32 aflags",
1723                           procheader, prefix, PackagePrefix[PackageIndex],
1724                           defp->pc.proc_name);
1725         } else {
1726             f_print(fout, "int %s%s%s%s(aclient, aflags", procheader, prefix,
1727                           PackagePrefix[PackageIndex], defp->pc.proc_name);
1728         }
1729     }
1730     if ((strlen(procheader) + strlen(prefix) +
1731          strlen(PackagePrefix[PackageIndex]) + strlen(defp->pc.proc_name)) >=
1732         MAX_FUNCTION_NAME_LEN) {
1733         error("function name is too long, increase MAX_FUNCTION_NAME_LEN");
1734     }
1735     if (!cflag) {
1736         for (plist = defp->pc.plists; plist; plist = plist->next) {
1737             if (plist->component_kind == DEF_PARAM) {
1738                 if (ansic_flag) {
1739                     if (plist->pl.param_flag & OUT_STRING) {
1740                         f_print(fout, ",%s *%s", plist->pl.param_type,
1741                                 plist->pl.param_name);
1742                     } else {
1743                         f_print(fout, ",%s %s", plist->pl.param_type,
1744                                 plist->pl.param_name);
1745                     }
1746                 } else {
1747                     plist->pl.param_flag &= ~PROCESSED_PARAM;
1748                     f_print(fout, ", %s", plist->pl.param_name);
1749                 }
1750             }
1751         }
1752         f_print(fout, ")\n");
1753     }
1754 }
1755
1756
1757 static void
1758 ucs_ProcParams_setup(definition * defp, int split_flag)
1759 {
1760     proc1_list *plist, *plist1;
1761
1762     if (ansic_flag)
1763         return;
1764
1765     f_print(fout, "\tstruct ubik_client *aclient;\n\tafs_int32 aflags;\n");
1766     for (plist = defp->pc.plists; plist; plist = plist->next) {
1767         if (plist->component_kind == DEF_PARAM
1768             && !(plist->pl.param_flag & PROCESSED_PARAM)) {
1769             if (plist->pl.param_flag & OUT_STRING) {
1770                 f_print(fout, "\t%s *%s", plist->pl.param_type,
1771                         plist->pl.param_name);
1772             } else {
1773                 f_print(fout, "\t%s %s", plist->pl.param_type,
1774                         plist->pl.param_name);
1775             }
1776             plist->pl.param_flag |= PROCESSED_PARAM;
1777             for (plist1 = defp->pc.plists; plist1; plist1 = plist1->next) {
1778                 if ((plist1->component_kind == DEF_PARAM)
1779                     && streq(plist->pl.param_type, plist1->pl.param_type)
1780                     && !(plist1->pl.param_flag & PROCESSED_PARAM)) {
1781                     char *star = "";
1782                     char *pntr = strchr(plist1->pl.param_type, '*');
1783                     if (pntr)
1784                         star = "*";
1785                     if (plist1->pl.param_flag & OUT_STRING) {
1786                         f_print(fout, ", *%s%s", star, plist1->pl.param_name);
1787                     } else {
1788                         f_print(fout, ", %s%s", star, plist1->pl.param_name);
1789                     }
1790                     plist1->pl.param_flag |= PROCESSED_PARAM;
1791                 }
1792             }
1793             f_print(fout, ";\n");
1794         }
1795     }
1796 }
1797
1798 static void
1799 ucs_ProcTail_setup(definition * defp, int split_flag)
1800 {
1801     proc1_list *plist;
1802
1803     f_print(fout, "{\tafs_int32 rcode, code, newHost, thisHost, i, _ucount;\n");
1804     f_print(fout, "\tint chaseCount, pass, needsync;\n");
1805 #if 0 /* goes with block below */
1806     f_print(fout, "\tint j, inlist;\n");
1807 #endif
1808     f_print(fout, "\tstruct rx_connection *tc;\n");
1809     f_print(fout, "\tstruct rx_peer *rxp;\n");
1810     f_print(fout, "\tshort origLevel;\n\n");
1811     f_print(fout, "\tif (!aclient)\n");
1812     f_print(fout, "\t\treturn UNOENT;\n");
1813     f_print(fout, "\tLOCK_UBIK_CLIENT(aclient);\n\n");
1814     f_print(fout, "\t restart:\n");
1815     f_print(fout, "\torigLevel = aclient->initializationState;\n");
1816     f_print(fout, "\trcode = UNOSERVERS;\n");
1817     f_print(fout, "\tchaseCount = needsync = 0;\n\n");
1818 #if 0 /* We should do some sort of caching algorithm for this, but I need to think about it - shadow 26 jun 06 */
1819     f_print(fout, "\tinlist = 0;\n");
1820     f_print(fout, "\tLOCK_UCLNT_CACHE;\n");
1821     f_print(fout, "\tfor (j = 0; ((j < SYNCCOUNT) && calls_needsync[j]); j++) {\n");
1822     f_print(fout, "\t\tif (calls_needsync[j] == (int *)%s%s%s) {\n", prefix, PackagePrefix[PackageIndex], defp->pc.proc_name);
1823     f_print(fout, "\t\t\tinlist = needsync = 1;\n");
1824     f_print(fout, "\t\t\tbreak;\n");
1825     f_print(fout, "\t\t}\n");
1826     f_print(fout, "\t}\n");
1827     f_print(fout, "\tUNLOCK_UCLNT_CACHE;\n");
1828 #endif
1829     f_print(fout, "\t/* \n\t* First  pass, we try all servers that are up.\n\t* Second pass, we try all servers.\n\t*/\n");
1830     f_print(fout, "\tfor (pass = 0; pass < 2; pass++) {  /*p */\n");
1831     f_print(fout, "\t\t/* For each entry in our servers list */\n");
1832     f_print(fout, "\t\tfor (_ucount = 0;; _ucount++) {     /*s */\n\n");
1833     f_print(fout, "\t\tif (needsync) {\n");
1834     f_print(fout, "\t\t\t/* Need a sync site. Lets try to quickly find it */\n");
1835     f_print(fout, "\t\t\tif (aclient->syncSite) {\n");
1836     f_print(fout, "\t\t\t\tnewHost = aclient->syncSite;        /* already in network order */\n");
1837     f_print(fout, "\t\t\t\taclient->syncSite = 0;      /* Will reset if it works */\n");
1838     f_print(fout, "\t\t\t} else if (aclient->conns[3]) {\n");
1839     f_print(fout, "\t\t\t\t/* If there are fewer than four db servers in a cell,\n");
1840     f_print(fout, "\t\t\t\t* there's no point in making the GetSyncSite call.\n");
1841     f_print(fout, "\t\t\t\t* At best, it's a wash. At worst, it results in more\n");
1842     f_print(fout, "\t\t\t\t* RPCs than you would otherwise make.\n");
1843     f_print(fout, "\t\t\t\t*/\n");
1844     f_print(fout, "\t\t\t\ttc = aclient->conns[_ucount];\n");
1845     f_print(fout, "\t\t\t\tif (tc && rx_ConnError(tc)) {\n");
1846     f_print(fout, "\t\t\t\t\taclient->conns[_ucount] = tc = ubik_RefreshConn(tc);\n");
1847     f_print(fout, "\t\t\t\t}\n");
1848     f_print(fout, "\t\t\t\tif (!tc)\n");
1849     f_print(fout, "\t\t\t\t\tbreak;\n");
1850     f_print(fout, "\t\t\t\tcode = VOTE_GetSyncSite(tc, &newHost);\n");
1851     f_print(fout, "\t\t\t\tif (aclient->initializationState != origLevel)\n");
1852     f_print(fout, "\t\t\t\t\tgoto restart;   /* somebody did a ubik_ClientInit */\n");
1853     f_print(fout, "\t\t\t\tif (code)\n");
1854     f_print(fout, "\t\t\t\t\tnewHost = 0;\n");
1855     f_print(fout, "\t\t\t\tnewHost = htonl(newHost);   /* convert to network order */\n");
1856     f_print(fout, "\t\t\t} else {\n");
1857     f_print(fout, "\t\t\t\tnewHost = 0;\n");
1858     f_print(fout, "\t\t\t}\n");
1859     f_print(fout, "\t\t\tif (newHost) {\n");
1860     f_print(fout, "\t\t\t\t/* position count at the appropriate slot in the client\n");
1861     f_print(fout, "\t\t\t\t* structure and retry. If we can't find in slot, we'll\n");
1862     f_print(fout, "\t\t\t\t* just continue through the whole list \n");
1863     f_print(fout, "\t\t\t\t*/\n");
1864     f_print(fout, "\t\t\t\tfor (i = 0; i < MAXSERVERS && aclient->conns[i]; i++) {\n");
1865     f_print(fout, "\t\t\t\t\trxp = rx_PeerOf(aclient->conns[i]);\n");
1866     f_print(fout, "\t\t\t\t\tthisHost = rx_HostOf(rxp);\n");
1867     f_print(fout, "\t\t\t\t\tif (!thisHost)\n");
1868     f_print(fout, "\t\t\t\t\t\tbreak;\n");
1869     f_print(fout, "\t\t\t\t\tif (thisHost == newHost) {\n");
1870     f_print(fout, "\t\t\t\t\t\tif (chaseCount++ > 2)\n");
1871     f_print(fout, "\t\t\t\t\t\t\tbreak;  /* avoid loop asking */\n");
1872     f_print(fout, "\t\t\t\t\t\t_ucount = i;  /* this index is the sync site */\n");
1873     f_print(fout, "\t\t\t\t\t\tbreak;\n");
1874     f_print(fout, "\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n");
1875     f_print(fout, "\t\t/*needsync */\n");
1876     f_print(fout, "\t\ttc = aclient->conns[_ucount];\n");
1877     f_print(fout, "\t\tif (tc && rx_ConnError(tc)) {\n");
1878     f_print(fout, "\t\t\taclient->conns[_ucount] = tc = ubik_RefreshConn(tc);\n");
1879     f_print(fout, "\t\t}\n");
1880     f_print(fout, "\t\tif (!tc)\n");
1881     f_print(fout, "\t\t\tbreak;\n\n");
1882     f_print(fout, "\t\tif ((pass == 0) && (aclient->states[_ucount] & CFLastFailed)) {\n");
1883     f_print(fout, "\t\t\tcontinue;       /* this guy's down */\n");
1884     f_print(fout, "\t\t}\n");
1885
1886     f_print(fout, "\t\trcode = %s%s%s(tc\n", prefix, PackagePrefix[PackageIndex], defp->pc.proc_name);
1887     for (plist = defp->pc.plists; plist; plist = plist->next) {
1888         if (plist->component_kind == DEF_PARAM) {
1889             plist->pl.param_flag &= ~PROCESSED_PARAM;
1890             f_print(fout, ", %s", plist->pl.param_name);
1891         }
1892     }
1893     f_print(fout, ");\n");
1894     f_print(fout, "\t\tif (aclient->initializationState != origLevel) {\n");
1895     f_print(fout, "\t\t\t/* somebody did a ubik_ClientInit */\n");
1896     f_print(fout, "\t\t\tif (rcode)\n");
1897     f_print(fout, "\t\t\t\tgoto restart;       /* call failed */\n");
1898     f_print(fout, "\t\t\telse\n");
1899     f_print(fout, "\t\t\t\tgoto done;  /* call suceeded */\n");
1900     f_print(fout, "\t\t}\n");
1901     f_print(fout, "\t\tif (rcode < 0) {    /* network errors */\n");
1902     f_print(fout, "\t\t\taclient->states[_ucount] |= CFLastFailed; /* Mark server down */\n");
1903     f_print(fout, "\t\t} else if (rcode == UNOTSYNC) {\n");
1904     f_print(fout, "\t\t\tneedsync = 1;\n");
1905     f_print(fout, "\t\t} else if (rcode != UNOQUORUM) {\n");
1906     f_print(fout, "\t\t\t/* either misc ubik code, or misc appl code, or success. */\n");
1907     f_print(fout, "\t\t\taclient->states[_ucount] &= ~CFLastFailed;        /* mark server up*/\n");
1908     f_print(fout, "\t\t\tgoto done;      /* all done */\n");
1909     f_print(fout, "\t\t}\n");
1910     f_print(fout, "\t\t}                       /*s */\n");
1911     f_print(fout, "\t}                           /*p */\n\n");
1912     f_print(fout, "\tdone:\n");
1913     f_print(fout, "\tif (needsync) {\n");
1914
1915 #if 0 /* We should do some sort of caching algorithm for this, but I need to think about it - shadow 26 jun 06 */
1916     f_print(fout, "\t\tif (!inlist) {          /* Remember proc call that needs sync site */\n");
1917     f_print(fout, "\t\t\tLOCK_UCLNT_CACHE;\n");
1918     f_print(fout, "\t\t\tcalls_needsync[synccount % SYNCCOUNT] = (int *)%s%s%s;\n", prefix, PackagePrefix[PackageIndex], defp->pc.proc_name);
1919     f_print(fout, "\t\t\tsynccount++;\n");
1920     f_print(fout, "\t\t\tUNLOCK_UCLNT_CACHE;\n");
1921     f_print(fout, "\t\t\tinlist = 1;\n");
1922     f_print(fout, "\t\t}\n");
1923 #endif
1924     f_print(fout, "\t\tif (!rcode) {           /* Remember the sync site - cmd successful */\n");
1925     f_print(fout, "\t\t\trxp = rx_PeerOf(aclient->conns[_ucount]);\n");
1926     f_print(fout, "\t\t\taclient->syncSite = rx_HostOf(rxp);\n");
1927     f_print(fout, "\t\t}\n");
1928     f_print(fout, "\t}\n");
1929     f_print(fout, "\tUNLOCK_UBIK_CLIENT(aclient);\n");
1930     f_print(fout, "\treturn rcode;\n}\n\n");
1931 }
1932
1933
1934 static int
1935 opcode_holes_exist(void)
1936 {
1937     int i;
1938
1939     for (i = lowest_opcode[PackageIndex]; i < highest_opcode[PackageIndex];
1940          i++) {
1941         if (!opcodenum_is_defined(i))
1942             return 1;
1943     }
1944     return 0;
1945 }
1946
1947
1948 void
1949 er_Proc_CodeGeneration(void)
1950 {
1951     int temp;
1952
1953     temp = PackageIndex;
1954     if (!combinepackages)
1955         PackageIndex = 0;
1956     for (; PackageIndex <= temp; PackageIndex++) {
1957         if (proc_defined[PackageIndex] == NULL)
1958             continue;
1959         if (combinepackages || opcode_holes_exist()) {
1960             er_HeadofOldStyleProc_setup();
1961             er_BodyofOldStyleProc_setup();
1962             er_TailofOldStyleProc_setup();
1963         } else {
1964             er_ProcDeclExterns_setup();
1965             er_ProcProcsArray_setup();
1966             er_ProcMainBody_setup();
1967         }
1968     }
1969     PackageIndex = temp;
1970 }
1971
1972
1973 static void
1974 er_ProcDeclExterns_setup(void)
1975 {
1976     list *listp;
1977     definition *defp;
1978
1979     if ( !Sflag )
1980         return;
1981
1982     f_print(fout, "\n");
1983     for (listp = proc_defined[PackageIndex]; listp != NULL;
1984          listp = listp->next) {
1985         defp = (definition *) listp->val;
1986         if (defp->pc.proc_serverstub) {
1987             f_print(fout, "afs_int32 %s();\n", defp->pc.proc_serverstub);
1988         }
1989     }
1990 }
1991
1992
1993 static void
1994 er_ProcProcsArray_setup(void)
1995 {
1996     list *listp;
1997     definition *defp;
1998
1999     if ((listp = proc_defined[PackageIndex])) {
2000         defp = (definition *) listp->val;
2001         if ( cflag )  {
2002             f_print(fout, "\nstatic char *opnames%d[] = {\"%s%s\"",
2003                         PackageIndex, defp->pc.proc_prefix, defp->pc.proc_name);
2004         }
2005         else {
2006             if (defp->pc.proc_serverstub) {
2007                 f_print(fout, "\nstatic afs_int32 (*StubProcsArray%d[])() = {%s",
2008                         PackageIndex, defp->pc.proc_serverstub);
2009             } else {
2010                 f_print(fout,
2011                         "\nstatic afs_int32 (*StubProcsArray%d[])(struct rx_call *z_call, XDR *z_xdrs) = {_%s%s%s",
2012                         PackageIndex, prefix, defp->pc.proc_prefix,
2013                         ((definition *) listp->val)->pc.proc_name);
2014                 defp = (definition *) listp->val;
2015             }
2016         }
2017         listp = listp->next;
2018     }
2019     for (; listp != NULL; listp = listp->next) {
2020         defp = (definition *) listp->val;
2021         if ( cflag ) {
2022             f_print(fout, ", \"%s%s\"",defp->pc.proc_prefix,defp->pc.proc_name);
2023         }
2024         else {
2025             if (defp->pc.proc_serverstub) {
2026                 f_print(fout, ",%s", defp->pc.proc_serverstub);
2027             } else {
2028                 f_print(fout, ", _%s%s%s", prefix, defp->pc.proc_prefix,
2029                         defp->pc.proc_name);
2030             }
2031         }
2032     }
2033     f_print(fout, "};\n\n");
2034 }
2035
2036
2037 static void
2038 er_ProcMainBody_setup(void)
2039 {
2040     if ( cflag ) {
2041         f_print(fout, "char *%sTranslateOpCode(int op)\n{\n",
2042                 PackagePrefix[PackageIndex]);
2043         f_print(fout, "\tif (op < %sLOWEST_OPCODE || op > %sHIGHEST_OPCODE)\n\t\treturn NULL;\n",
2044                 PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
2045         f_print(fout, "\treturn opnames%d[op - %sLOWEST_OPCODE];\n}\n",
2046                 PackageIndex, PackagePrefix[PackageIndex]);
2047         return;
2048     }
2049     f_print(fout, "int %s%sExecuteRequest(struct rx_call *z_call)\n",
2050             prefix, PackagePrefix[PackageIndex]);
2051     f_print(fout, "{\n\tint op;\n");
2052     f_print(fout, "\tXDR z_xdrs;\n");
2053     f_print(fout, "\t" "afs_int32 z_result;\n\n");
2054     f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_DECODE);\n");
2055     f_print(fout,
2056             "\tif (!xdr_int(&z_xdrs, &op))\n\t\tz_result = RXGEN_DECODE;\n");
2057     f_print(fout,
2058             "\telse if (op < %sLOWEST_OPCODE || op > %sHIGHEST_OPCODE)\n\t\tz_result = RXGEN_OPCODE;\n",
2059             PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
2060     f_print(fout,
2061             "\telse\n\t\tz_result = (*StubProcsArray%d[op - %sLOWEST_OPCODE])(z_call, &z_xdrs);\n",
2062             PackageIndex, PackagePrefix[PackageIndex]);
2063     f_print(fout, "\treturn hton_syserr_conv(z_result);\n}\n");
2064 }
2065
2066
2067 static void
2068 er_HeadofOldStyleProc_setup(void)
2069 {
2070     if ( cflag ) {
2071         f_print(fout, "char *%sTranslateOpCode(int op)\n{\n",
2072             (combinepackages ? MasterPrefix : PackagePrefix[PackageIndex]));
2073     }
2074     else {
2075         f_print(fout,
2076                 "\nint %s%sExecuteRequest (struct rx_call *z_call)\n",
2077                 prefix,
2078                 (combinepackages ? MasterPrefix : PackagePrefix[PackageIndex]));
2079         f_print(fout, "{\n");
2080         f_print(fout, "\tint op;\n");
2081         f_print(fout, "\tXDR z_xdrs;\n");
2082         f_print(fout, "\t" "afs_int32 z_result;\n\n");
2083         f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_DECODE);\n");
2084         f_print(fout, "\tz_result = RXGEN_DECODE;\n");
2085         f_print(fout, "\tif (!xdr_int(&z_xdrs, &op)) goto fail;\n");
2086     }
2087     f_print(fout, "\tswitch (op) {\n");
2088 }
2089
2090 static void
2091 er_BodyofOldStyleProc_setup(void)
2092 {
2093     list *listp;
2094
2095     if (combinepackages) {
2096         int temp = PackageIndex;
2097         for (PackageIndex = 0; PackageIndex <= temp; PackageIndex++) {
2098             for (listp = proc_defined[PackageIndex]; listp != NULL;
2099                  listp = listp->next)
2100                 proc_er_case((definition *) listp->val);
2101         }
2102         PackageIndex = temp;
2103     } else {
2104         for (listp = proc_defined[PackageIndex]; listp != NULL;
2105              listp = listp->next)
2106             proc_er_case((definition *) listp->val);
2107     }
2108 }
2109
2110
2111 static void
2112 proc_er_case(definition * defp)
2113 {
2114     if ( cflag ) {
2115         f_print(fout, "\t\tcase %d:", defp->pc.proc_opcodenum);
2116         f_print(fout, "\treturn \"%s%s\";\n",
2117                 defp->pc.proc_prefix, defp->pc.proc_name);
2118         return;
2119     }
2120     if (opcodesnotallowed[PackageIndex]) {
2121         f_print(fout, "\t\tcase %d:\n", defp->pc.proc_opcodenum);
2122     } else {
2123         f_print(fout, "\t\tcase %s:\n", defp->pc.proc_opcodename);
2124     }
2125     if (defp->pc.proc_serverstub) {
2126         f_print(fout, "\t\t\tz_result = %s(z_call, &z_xdrs);\n",
2127                 defp->pc.proc_serverstub);
2128     } else {
2129         f_print(fout, "\t\t\tz_result = _%s%s%s(z_call, &z_xdrs);\n", prefix,
2130                 defp->pc.proc_prefix, defp->pc.proc_name);
2131     }
2132     f_print(fout, "\t\t\tbreak;\n");
2133 }
2134
2135
2136 static void
2137 er_TailofOldStyleProc_setup(void)
2138 {
2139     f_print(fout, "\t\tdefault:\n");
2140     if ( cflag ) {
2141         f_print(fout, "\t\t\treturn NULL;\n\t}\n}\n");
2142         return;
2143     }
2144     f_print(fout, "\t\t\tz_result = RXGEN_OPCODE;\n");
2145     f_print(fout, "\t\t\tbreak;\n\t}\n");
2146     f_print(fout, "fail:\n");
2147     f_print(fout, "\treturn z_result;\n}\n");
2148 }
2149
2150 static void
2151 h_ProcMainBody_setup(void)
2152 {
2153     f_print(fout,"\nextern int %s%sExecuteRequest(struct rx_call *);\n",
2154             prefix, PackagePrefix[PackageIndex]);
2155 }
2156
2157 static void
2158 h_HeadofOldStyleProc_setup(void)
2159 {
2160     f_print(fout,"\nextern int %s%sExecuteRequest(struct rx_call *);\n",
2161             prefix,
2162             (combinepackages ? MasterPrefix : PackagePrefix[PackageIndex]));
2163 }
2164
2165 void
2166 h_Proc_CodeGeneration(void)
2167 {
2168     int temp;
2169
2170     temp = PackageIndex;
2171     if (!combinepackages)
2172         PackageIndex = 0;
2173     for (; PackageIndex <= temp; PackageIndex++) {
2174         if (combinepackages || opcode_holes_exist()) {
2175             h_HeadofOldStyleProc_setup();
2176         } else {
2177             h_ProcMainBody_setup();
2178         }
2179     }
2180     PackageIndex = temp;
2181 }
2182
2183 void
2184 h_opcode_stats(void)
2185 {
2186     if (combinepackages) {
2187         f_print(fout,
2188                 "\n/* Opcode-related useful stats for Master package: %s */\n",
2189                 MasterPrefix);
2190         f_print(fout, "#define %sLOWEST_OPCODE   %d\n", MasterPrefix,
2191                 master_lowest_opcode);
2192         f_print(fout, "#define %sHIGHEST_OPCODE %d\n", MasterPrefix,
2193                 master_highest_opcode);
2194         f_print(fout, "#define %sNUMBER_OPCODES %d\n\n", MasterPrefix,
2195                 master_no_of_opcodes);
2196         if (xflag) {
2197             f_print(fout, "#define %sNO_OF_STAT_FUNCS\t%d\n\n", MasterPrefix,
2198                     no_of_stat_funcs_header[0]);
2199             f_print(fout, "AFS_RXGEN_EXPORT\n");
2200             f_print(fout, "extern const char *%sfunction_names[];\n\n",
2201                     MasterPrefix);
2202         }
2203     } else {
2204         int i;
2205         for (i = 0; i <= PackageIndex; i++) {
2206             f_print(fout,
2207                     "\n/* Opcode-related useful stats for package: %s */\n",
2208                     PackagePrefix[i]);
2209             f_print(fout, "#define %sLOWEST_OPCODE   %d\n", PackagePrefix[i],
2210                     lowest_opcode[i]);
2211             f_print(fout, "#define %sHIGHEST_OPCODE     %d\n",
2212                     PackagePrefix[i], highest_opcode[i]);
2213             f_print(fout, "#define %sNUMBER_OPCODES     %d\n\n",
2214                     PackagePrefix[i], no_of_opcodes[i]);
2215             if (xflag) {
2216                 f_print(fout, "#define %sNO_OF_STAT_FUNCS\t%d\n\n",
2217                         PackagePrefix[i], no_of_stat_funcs_header[i]);
2218                 f_print(fout, "AFS_RXGEN_EXPORT\n");
2219                 f_print(fout, "extern const char *%sfunction_names[];\n\n",
2220                         PackagePrefix[i]);
2221             }
2222         }
2223     }
2224 }
2225
2226
2227 void
2228 generate_multi_macros(definition * defp)
2229 {
2230     char *startname = SplitStart, *endname = SplitEnd;
2231     proc1_list *plist;
2232     int numofparams;
2233     int first = 0;
2234
2235     if (!hflag)
2236         return;
2237     if (!Multi_Init) {
2238         Multi_Init = 1;
2239         f_print(fout, "\n#include <rx/rx_multi.h>");
2240     }
2241     f_print(fout, "\n#define multi_%s%s(", PackagePrefix[PackageIndex],
2242             defp->pc.proc_name);
2243     for (plist = defp->pc.plists; plist; plist = plist->next) {
2244         if (plist->component_kind == DEF_PARAM) {
2245             if (!first) {
2246                 first = 1;
2247                 f_print(fout, "%s", plist->pl.param_name);
2248             } else {
2249                 f_print(fout, ", %s", plist->pl.param_name);
2250             }
2251         }
2252     }
2253     f_print(fout, ") \\\n");
2254     if (!startname)
2255         startname = "Start";
2256     if (!endname)
2257         endname = "End";
2258     f_print(fout, "\tmulti_Body(%s%s%s(multi_call", startname,
2259             PackagePrefix[PackageIndex], defp->pc.proc_name);
2260     do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 0);
2261     for (plist = defp->pc.plists; plist; plist = plist->next) {
2262         if (plist->component_kind == DEF_PARAM)
2263             f_print(fout, ", %s", plist->pl.param_name);
2264     }
2265     do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 1);
2266     f_print(fout, "), %s%s%s(multi_call", endname,
2267             PackagePrefix[PackageIndex], defp->pc.proc_name);
2268     do_split(defp, IN, &numofparams, DEF_INPARAM, 0);
2269     for (plist = defp->pc.plists; plist; plist = plist->next) {
2270         if (plist->component_kind == DEF_PARAM) {
2271             f_print(fout, ", %s", plist->pl.param_name);
2272         }
2273     }
2274     do_split(defp, IN, &numofparams, DEF_INPARAM, 1);
2275     f_print(fout, "))\n\n");
2276 }
2277
2278
2279 int
2280 IsRxgenToken(token * tokp)
2281 {
2282     if (tokp->kind == TOK_PACKAGE || tokp->kind == TOK_PREFIX
2283         || tokp->kind == TOK_SPECIAL || tokp->kind == TOK_STARTINGOPCODE
2284         || tokp->kind == TOK_SPLITPREFIX || tokp->kind == TOK_PROC
2285         || tokp->kind == TOK_STATINDEX)
2286         return 1;
2287     return 0;
2288 }
2289
2290 int
2291 IsRxgenDefinition(definition * def)
2292 {
2293     if (def->def_kind == DEF_PACKAGE || def->def_kind == DEF_PREFIX
2294         || def->def_kind == DEF_SPECIAL || def->def_kind == DEF_STARTINGOPCODE
2295         || def->def_kind == DEF_SPLITPREFIX || def->def_kind == DEF_PROC)
2296         return 1;
2297     return 0;
2298 }