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 int StatIndex = -1;
  72
  73 /*
  74  * Character arrays to keep list of function names as we process the file
  75  */
  76
  77 char function_list[MAX_PACKAGES]
  78     [MAX_FUNCTIONS_PER_PACKAGE]
  79     [MAX_FUNCTION_NAME_LEN];
  80 int function_list_index;
  81
  82 /* static prototypes */
  83 static void isdefined(definition * defp);
  84 static void def_struct(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_HeadofOldStyleProc_setup2(void);
 146 static void er_BodyofOldStyleProc_setup(void);
 147 static void er_BodyofOldStyleProc_setup2(void);
 148 static void proc_er_case(definition * defp);
 149 static void er_TailofOldStyleProc_setup(void);
 150 static void er_TailofOldStyleProc_setup2(void);
 151
 152
 153
 154 /*
 155  * return the next definition you see
 156  */
 157 definition *
 158 get_definition(void)
 159 {
 160     definition *defp;
 161     token tok;
 162
 163     defp = ALLOC(definition);
 164     memset(defp, 0, sizeof(definition));
 165     get_token(&tok);
 166     switch (tok.kind) {
 167     case TOK_STRUCT:
 168         def_struct(defp);
 169         break;
 170     case TOK_UNION:
 171         def_union(defp);
 172         break;
 173     case TOK_TYPEDEF:
 174         def_typedef(defp);
 175         break;
 176     case TOK_ENUM:
 177         def_enum(defp);
 178         break;
 179     case TOK_CONST:
 180         def_const(defp);
 181         break;
 182     case TOK_EOF:
 183         free(defp);
 184         return NULL;
 185     case TOK_PACKAGE:
 186         def_package(defp);
 187         break;
 188     case TOK_PREFIX:
 189         def_prefix(defp);
 190         break;
 191     case TOK_STATINDEX:
 192         def_statindex(defp);
 193         break;
 194     case TOK_SPECIAL:
 195         {
 196             declaration dec;
 197             def_special(&dec, defp);
 198             break;
 199         }
 200     case TOK_STARTINGOPCODE:
 201         def_startingopcode(defp);
 202         break;
 203     case TOK_CUSTOMIZED:
 204         get_token(&tok);
 205         def_struct(defp);
 206         customize_struct(defp);
 207         break;
 208     case TOK_SPLITPREFIX:
 209         def_split(defp);
 210         break;
 211     case TOK_PROC:
 212         get_token(&tok);
 213         if (tok.kind == TOK_LPAREN) {
 214             unget_token(&tok);
 215             check_proc(defp, &tok, 1);
 216         } else
 217             check_proc(defp, &tok, 0);
 218         break;
 219     case TOK_IDENT:
 220         check_proc(defp, &tok, 0);
 221         break;
 222     case TOK_LPAREN:
 223         unget_token(&tok);
 224         check_proc(defp, &tok, 1);
 225         break;
 226     default:
 227         error("definition keyword expected");
 228     }
 229     if (!IsRxgenToken(&tok)) {
 230         scan(TOK_SEMICOLON, &tok);
 231         isdefined(defp);
 232     } else
 233         pushed = 0;
 234     return (defp);
 235 }
 236
 237 static void
 238 isdefined(definition * defp)
 239 {
 240     STOREVAL(&defined, defp);
 241 }
 242
 243
 244 static void
 245 def_struct(definition * defp)
 246 {
 247     token tok;
 248     declaration dec;
 249     decl_list *decls;
 250     decl_list **tailp;
 251     int special = 0;
 252
 253     defp->def_kind = DEF_STRUCT;
 254
 255     scan(TOK_IDENT, &tok);
 256     defp->def_name = tok.str;
 257     scan(TOK_LBRACE, &tok);
 258     tailp = &defp->def.st.decls;
 259     do {
 260         get_declaration(&dec, DEF_STRUCT);
 261         /* If a structure contains an array, then we're going
 262          * to need to be clever about freeing it */
 263         if (dec.rel == REL_ARRAY) {
 264            special = 1;
 265         }
 266         decls = ALLOC(decl_list);
 267         decls->decl = dec;
 268         *tailp = decls;
 269         tailp = &decls->next;
 270         scan(TOK_SEMICOLON, &tok);
 271         peek(&tok);
 272     } while (tok.kind != TOK_RBRACE);
 273     get_token(&tok);
 274     *tailp = NULL;
 275
 276     if (special)
 277         STOREVAL(&complex_defined, defp);
 278 }
 279
 280 static void
 281 def_enum(definition * defp)
 282 {
 283     token tok;
 284     enumval_list *elist;
 285     enumval_list **tailp;
 286
 287     defp->def_kind = DEF_ENUM;
 288     scan(TOK_IDENT, &tok);
 289     defp->def_name = tok.str;
 290     scan(TOK_LBRACE, &tok);
 291     tailp = &defp->def.en.vals;
 292     do {
 293         scan(TOK_IDENT, &tok);
 294         elist = ALLOC(enumval_list);
 295         elist->name = tok.str;
 296         elist->assignment = NULL;
 297         scan3(TOK_COMMA, TOK_RBRACE, TOK_EQUAL, &tok);
 298         if (tok.kind == TOK_EQUAL) {
 299             scan_num(&tok);
 300             elist->assignment = tok.str;
 301             scan2(TOK_COMMA, TOK_RBRACE, &tok);
 302         }
 303         *tailp = elist;
 304         tailp = &elist->next;
 305     } while (tok.kind != TOK_RBRACE);
 306     *tailp = NULL;
 307 }
 308
 309 static void
 310 def_const(definition * defp)
 311 {
 312     token tok;
 313
 314     defp->def_kind = DEF_CONST;
 315     scan(TOK_IDENT, &tok);
 316     defp->def_name = tok.str;
 317     scan(TOK_EQUAL, &tok);
 318     scan2(TOK_IDENT, TOK_STRCONST, &tok);
 319     defp->def.co = tok.str;
 320 }
 321
 322 static void
 323 def_union(definition * defp)
 324 {
 325     token tok;
 326     declaration dec;
 327     case_list *cases;
 328     case_list **tailp;
 329
 330     defp->def_kind = DEF_UNION;
 331     scan(TOK_IDENT, &tok);
 332     defp->def_name = tok.str;
 333     scan(TOK_SWITCH, &tok);
 334     scan(TOK_LPAREN, &tok);
 335     get_declaration(&dec, DEF_UNION);
 336     defp->def.un.enum_decl = dec;
 337     tailp = &defp->def.un.cases;
 338     scan(TOK_RPAREN, &tok);
 339     scan(TOK_LBRACE, &tok);
 340     scan(TOK_CASE, &tok);
 341     while (tok.kind == TOK_CASE) {
 342         scan(TOK_IDENT, &tok);
 343         cases = ALLOC(case_list);
 344         cases->case_name = tok.str;
 345         scan(TOK_COLON, &tok);
 346         get_declaration(&dec, DEF_UNION);
 347         cases->case_decl = dec;
 348         *tailp = cases;
 349         tailp = &cases->next;
 350         scan(TOK_SEMICOLON, &tok);
 351         scan3(TOK_CASE, TOK_DEFAULT, TOK_RBRACE, &tok);
 352     }
 353     *tailp = NULL;
 354     if (tok.kind == TOK_DEFAULT) {
 355         scan(TOK_COLON, &tok);
 356         get_declaration(&dec, DEF_UNION);
 357         defp->def.un.default_decl = ALLOC(declaration);
 358         *defp->def.un.default_decl = dec;
 359         scan(TOK_SEMICOLON, &tok);
 360         scan(TOK_RBRACE, &tok);
 361     } else {
 362         defp->def.un.default_decl = NULL;
 363     }
 364 }
 365
 366
 367 static void
 368 def_typedef(definition * defp)
 369 {
 370     declaration dec;
 371
 372     memset(&dec, 0, sizeof(dec));
 373
 374     defp->def_kind = DEF_TYPEDEF;
 375     get_declaration(&dec, DEF_TYPEDEF);
 376     defp->def_name = dec.name;
 377     defp->def.ty.old_prefix = dec.prefix;
 378     defp->def.ty.old_type = dec.type;
 379     defp->def.ty.rel = dec.rel;
 380     defp->def.ty.array_max = dec.array_max;
 381 }
 382
 383
 384 static void
 385 get_declaration(declaration * dec, defkind dkind)
 386 {
 387     token tok;
 388
 389     get_type(&dec->prefix, &dec->type, dkind);
 390     dec->rel = REL_ALIAS;
 391     if (streq(dec->type, "void")) {
 392         return;
 393     }
 394     scan2(TOK_STAR, TOK_IDENT, &tok);
 395     if (tok.kind == TOK_STAR) {
 396         dec->rel = REL_POINTER;
 397         scan(TOK_IDENT, &tok);
 398     }
 399     dec->name = tok.str;
 400     if (peekscan(TOK_LBRACKET, &tok)) {
 401         if (dec->rel == REL_POINTER) {
 402             error("no array-of-pointer declarations -- use typedef");
 403         }
 404         dec->rel = REL_VECTOR;
 405         scan_num(&tok);
 406         dec->array_max = tok.str;
 407         scan(TOK_RBRACKET, &tok);
 408     } else if (peekscan(TOK_LANGLE, &tok)) {
 409         if (dec->rel == REL_POINTER) {
 410             error("no array-of-pointer declarations -- use typedef");
 411         }
 412         dec->rel = REL_ARRAY;
 413         if (peekscan(TOK_RANGLE, &tok)) {
 414             if ((dkind == DEF_INPARAM) || (dkind == DEF_INOUTPARAM)) {
 415                 error("input arrays must specify a max size");
 416             }
 417             dec->array_max = "~0u";     /* unspecified size, use max */
 418         } else {
 419             scan_num(&tok);
 420             dec->array_max = tok.str;
 421             scan(TOK_RANGLE, &tok);
 422         }
 423     }
 424     if (streq(dec->type, "opaque")) {
 425         if (dec->rel != REL_ARRAY && dec->rel != REL_VECTOR) {
 426             error("array declaration expected");
 427         }
 428     } else if (streq(dec->type, "string")) {
 429         if (dec->rel != REL_ARRAY) {
 430             error(" variable-length array declaration expected");
 431         }
 432     }
 433 }
 434
 435
 436 static void
 437 get_type(char **prefixp, char **typep, defkind dkind)
 438 {
 439     token tok;
 440
 441     *prefixp = NULL;
 442     get_token(&tok);
 443     switch (tok.kind) {
 444     case TOK_IDENT:
 445         *typep = tok.str;
 446         break;
 447     case TOK_STRUCT:
 448     case TOK_ENUM:
 449     case TOK_UNION:
 450         *prefixp = tok.str;
 451         scan(TOK_IDENT, &tok);
 452         *typep = tok.str;
 453         break;
 454     case TOK_UNSIGNED:
 455         unsigned_dec(typep);
 456         break;
 457     case TOK_SHORT:
 458         *typep = "short";
 459         (void)peekscan(TOK_INT, &tok);
 460         break;
 461     case TOK_INT32:
 462         *typep = "afs_int32";
 463         (void)peekscan(TOK_INT, &tok);
 464         break;
 465     case TOK_VOID:
 466         if (dkind != DEF_UNION) {
 467             error("voids allowed only inside union definitions");
 468         }
 469         *typep = tok.str;
 470         break;
 471     case TOK_STRING:
 472     case TOK_OPAQUE:
 473     case TOK_CHAR:
 474     case TOK_INT:
 475     case TOK_FLOAT:
 476     case TOK_DOUBLE:
 477     case TOK_BOOL:
 478     case TOK_AFSUUID:
 479         *typep = tok.str;
 480         break;
 481     default:
 482         error("expected type specifier");
 483     }
 484 }
 485
 486
 487 static void
 488 unsigned_dec(char **typep)
 489 {
 490     token tok;
 491
 492     peek(&tok);
 493     switch (tok.kind) {
 494     case TOK_CHAR:
 495         get_token(&tok);
 496         *typep = "u_char";
 497         break;
 498     case TOK_SHORT:
 499         get_token(&tok);
 500         *typep = "u_short";
 501         (void)peekscan(TOK_INT, &tok);
 502         break;
 503     case TOK_INT32:
 504         get_token(&tok);
 505         *typep = "afs_uint32";
 506         (void)peekscan(TOK_INT, &tok);
 507         break;
 508     case TOK_INT:
 509         get_token(&tok);
 510         *typep = "u_int";
 511         break;
 512     default:
 513         *typep = "u_int";
 514         break;
 515     }
 516 }
 517
 518
 519 static void
 520 def_package(definition * defp)
 521 {
 522     token tok;
 523
 524     defp->def_kind = DEF_PACKAGE;
 525     scan(TOK_IDENT, &tok);
 526     defp->def_name = tok.str;
 527     no_of_stat_funcs = 0;
 528
 529     PackageIndex++;
 530     if (PackageIndex >= MAX_PACKAGES)
 531         error("Exceeded upper limit of package statements\n");
 532
 533     function_list_index = 0;
 534     PackagePrefix[PackageIndex] = tok.str;
 535     if (MasterPrefix == NULL)
 536         MasterPrefix = tok.str;
 537     no_of_opcodes[PackageIndex] = highest_opcode[PackageIndex] =
 538         opcodesnotallowed[PackageIndex] = 0;
 539     lowest_opcode[PackageIndex] = 99999;
 540     proc_defined[PackageIndex] = NULL;
 541     PackageStatIndex[PackageIndex] = NULL;
 542 }
 543
 544 static void
 545 def_prefix(definition * defp)
 546 {
 547     token tok;
 548
 549     defp->def_kind = DEF_PREFIX;
 550     scan(TOK_IDENT, &tok);
 551     defp->def_name = tok.str;
 552     ServerPrefix = tok.str;
 553 }
 554
 555 static void
 556 def_statindex(definition * defp)
 557 {
 558     token tok;
 559     char *name;
 560
 561     defp->def_kind = DEF_CONST;
 562     scan_num(&tok);
 563     if (PackageIndex < 0)
 564         error("'statindex' command must follow 'package' command!\n");
 565     if (PackageStatIndex[PackageIndex])
 566         error("Cannot have more then one 'statindex' per package!\n");
 567     if (InvalidConstant(tok.str))
 568         error("Index in 'statindex' command must be a constant!");
 569     name =
 570         alloc(strlen(PackagePrefix[PackageIndex]) + strlen("STATINDEX") + 1);
 571     strcpy(name, PackagePrefix[PackageIndex]);
 572     strcat(name, "STATINDEX");
 573     defp->def_name = name;
 574     defp->def.co = tok.str;
 575     PackageStatIndex[PackageIndex] = name;
 576     StatIndex = atoi(tok.str);
 577 }
 578
 579 static void
 580 def_startingopcode(definition * defp)
 581 {
 582     token tok;
 583
 584     defp->def_kind = DEF_STARTINGOPCODE;
 585     scan(TOK_IDENT, &tok);
 586     defp->def_name = tok.str;
 587     if (InvalidConstant(defp->def_name))
 588         error("Opcode in 'startingopcode' command must be a constant!");
 589     lowest_opcode[PackageIndex] = master_lowest_opcode = atoi(tok.str);
 590     if (lowest_opcode[PackageIndex] < 0
 591         || lowest_opcode[PackageIndex] > 99999)
 592         error
 593             ("startingopcode number is out of bounds (must be >= 0 < 100000)");
 594     master_opcodenumber = lowest_opcode[PackageIndex];
 595     opcodesnotallowed[PackageIndex] = 1;
 596 }
 597
 598 static void
 599 def_split(definition * defp)
 600 {
 601     token tok;
 602
 603     defp->def_kind = DEF_SPLITPREFIX;
 604     do {
 605         get_token(&tok);
 606         switch (tok.kind) {
 607         case TOK_IN:
 608             scan(TOK_EQUAL, &tok);
 609             scan(TOK_IDENT, &tok);
 610             SplitStart = tok.str;
 611             break;
 612         case TOK_OUT:
 613             scan(TOK_EQUAL, &tok);
 614             scan(TOK_IDENT, &tok);
 615             SplitEnd = tok.str;
 616             break;
 617         case TOK_SEMICOLON:
 618             break;
 619         default:
 620             error("syntax error in the 'splitprefix' line");
 621         }
 622     } while (tok.kind != TOK_SEMICOLON);
 623     if (!SplitStart && !SplitEnd)
 624         error("At least one param should be passed to 'splitprefix' cmd");
 625 }
 626
 627
 628 static void
 629 customize_struct(definition * defp)
 630 {
 631     decl_list *listp;
 632     declaration *dec;
 633     definition *defp1 = ALLOC(definition);
 634     spec_list *specs, **tailp;
 635
 636     defp->def_kind = DEF_CUSTOMIZED;
 637     defp1->def_kind = DEF_SPECIAL;
 638     tailp = &defp1->def.sd.specs;
 639     for (listp = defp->def.st.decls; listp; listp = listp->next) {
 640         dec = &listp->decl;
 641         if (streq(dec->type, "string") || (dec->rel == REL_POINTER)) {
 642             specs = ALLOC(spec_list);
 643             specs->sdef.string_name = dec->name;
 644             specs->sdef.string_value = defp->def_name;
 645             *tailp = specs;
 646             tailp = &specs->next;
 647         }
 648     }
 649     tailp = NULL;
 650     STOREVAL(&special_defined, defp1);
 651 }
 652
 653 static char *
 654 structname(char *name)
 655 {
 656     static char namecontents[150];
 657     char *pnt, *pnt1;
 658
 659     strcpy(namecontents, name);
 660     pnt = namecontents;
 661     if (!strncmp(pnt, "struct", 6))
 662         pnt += 6;
 663     while (isspace(*pnt))
 664         pnt++;
 665     pnt1 = pnt;
 666     while (*pnt != ' ' && *pnt != '\0')
 667         pnt++;
 668     *pnt = '\0';
 669     return pnt1;
 670 }
 671
 672
 673 static void
 674 def_special(declaration * dec, definition * defp)
 675 {
 676     char *typename;
 677     spec_list *specs, **tailp;
 678     token tok;
 679
 680     defp->def_kind = DEF_SPECIAL;
 681     get_type(&dec->prefix, &dec->type, DEF_SPECIAL);
 682     dec->rel = REL_POINTER;
 683     scan(TOK_IDENT, &tok);
 684     tailp = &defp->def.sd.specs;
 685     do {
 686         specs = ALLOC(spec_list);
 687         specs->sdef.string_name = tok.str;
 688         get_param_type(defp, dec, &specs->sdef.string_value, &typename);
 689         *tailp = specs;
 690         tailp = &specs->next;
 691         scan2(TOK_COMMA, TOK_SEMICOLON, &tok);
 692         if (tok.kind == TOK_SEMICOLON)
 693             break;
 694         get_token(&tok);
 695     } while (tok.kind == TOK_IDENT);
 696     tailp = NULL;
 697     STOREVAL(&special_defined, defp);
 698 }
 699
 700
 701 proc1_list *Proc_list, **Proc_listp;
 702
 703 static void
 704 check_proc(definition * defp, token * tokp, int noname)
 705 {
 706     token tok;
 707     int proc_split = 0;
 708     int proc_multi = 0;
 709
 710     if (PackageIndex < 0)
 711         error("Procedure must be in a package!\n");
 712
 713     tokp->kind = TOK_PROC;
 714     defp->def_kind = DEF_PROC;
 715     if (noname)
 716         defp->pc.proc_name = "";
 717     else
 718         defp->pc.proc_name = tokp->str;
 719     PerProcCounter = 0;
 720     defp->pc.proc_prefix = alloc(strlen(PackagePrefix[PackageIndex]) + 1);
 721     strcpy(defp->pc.proc_prefix, PackagePrefix[PackageIndex]);
 722     scan2(TOK_LPAREN, TOK_IDENT, &tok);
 723     defp->pc.proc_serverstub = NULL;
 724     if (tok.kind == TOK_IDENT) {
 725         defp->pc.proc_serverstub = tok.str;
 726         scan(TOK_LPAREN, &tok);
 727     }
 728     analyze_ProcParams(defp, &tok);
 729     defp->pc.proc_opcodenum = -1;
 730     scan4(TOK_SPLIT, TOK_MULTI, TOK_EQUAL, TOK_SEMICOLON, &tok);
 731     if (tok.kind == TOK_MULTI) {
 732         proc_multi = 1;
 733         defp->pc.multi_flag = 1;
 734         scan2(TOK_EQUAL, TOK_SEMICOLON, &tok);
 735     } else {
 736         defp->pc.multi_flag = 0;
 737     }
 738     if (tok.kind == TOK_SPLIT) {
 739         proc_split = 1;
 740         defp->pc.split_flag = 1;
 741         scan2(TOK_EQUAL, TOK_SEMICOLON, &tok);
 742     } else {
 743         defp->pc.split_flag = 0;
 744     }
 745     if (tok.kind == TOK_EQUAL) {
 746         if (opcodesnotallowed[PackageIndex])
 747             error("Opcode assignment isn't allowed here!");
 748         scan_num(&tok);
 749         if (InvalidConstant(tok.str))
 750             error("Illegal Opcode assignment (Must be a constant opcode!)");
 751         if (opcodenum_is_defined(atoi(tok.str)))
 752             error("The opcode number is already used by a previous proc");
 753         defp->pc.proc_opcodename = tok.str;
 754         defp->pc.proc_opcodenum = atoi(tok.str);
 755         if (defp->pc.proc_opcodenum < lowest_opcode[PackageIndex])
 756             lowest_opcode[PackageIndex] = defp->pc.proc_opcodenum;
 757         if (defp->pc.proc_opcodenum < master_lowest_opcode)
 758             master_lowest_opcode = defp->pc.proc_opcodenum;
 759         if (defp->pc.proc_opcodenum > highest_opcode[PackageIndex])
 760             highest_opcode[PackageIndex] = defp->pc.proc_opcodenum;
 761         if (defp->pc.proc_opcodenum > master_highest_opcode)
 762             master_highest_opcode = defp->pc.proc_opcodenum;
 763         scan(TOK_SEMICOLON, &tok);
 764     } else {
 765         if (master_opcodenumber == 99999)
 766             master_opcodenumber = 0;
 767         defp->pc.proc_opcodenum = master_opcodenumber++;
 768         if (defp->pc.proc_opcodenum < lowest_opcode[PackageIndex])
 769             lowest_opcode[PackageIndex] = defp->pc.proc_opcodenum;
 770         if (defp->pc.proc_opcodenum > highest_opcode[PackageIndex])
 771             highest_opcode[PackageIndex] = defp->pc.proc_opcodenum;
 772         if (defp->pc.proc_opcodenum > master_highest_opcode)
 773             master_highest_opcode = defp->pc.proc_opcodenum;
 774         opcodesnotallowed[PackageIndex] = 1;    /* force it */
 775     }
 776     no_of_opcodes[PackageIndex]++, master_no_of_opcodes++;
 777     if (proc_multi) {
 778         generate_code(defp, 0, 1);
 779         if (Cflag || cflag) {
 780             generate_code(defp, 1, 1);
 781         }
 782         generate_multi_macros(defp);
 783     } else {
 784         generate_code(defp, proc_split, 0);
 785     }
 786
 787     if (function_list_index >= MAX_FUNCTIONS_PER_INTERFACE) {
 788         error("too many functions in interface, "
 789               "increase MAX_FUNCTIONS_PER_INTERFACE");
 790     }
 791     sprintf(function_list[PackageIndex][function_list_index], "%s%s%s",
 792             prefix, PackagePrefix[PackageIndex], defp->pc.proc_name);
 793
 794     function_list_index++;
 795     defp->statindex = no_of_stat_funcs;
 796     no_of_stat_funcs_header[PackageIndex]++;
 797     no_of_stat_funcs++;
 798     *Proc_listp = NULL;
 799 }
 800
 801
 802 #define LEGALNUMS "0123456789"
 803 static int
 804 InvalidConstant(char *name)
 805 {
 806     char *map;
 807     int slen;
 808
 809     map = LEGALNUMS;
 810     slen = (int)strlen(name);
 811     return (slen != strspn(name, map));
 812 }
 813
 814 static int
 815 opcodenum_is_defined(int opcode_num)
 816 {
 817     list *listp;
 818     definition *defp;
 819
 820     for (listp = proc_defined[PackageIndex]; listp != NULL;
 821          listp = listp->next) {
 822         defp = (definition *) listp->val;
 823         if (opcode_num == defp->pc.proc_opcodenum)
 824             return 1;
 825     }
 826     return 0;
 827 }
 828
 829
 830 static void
 831 analyze_ProcParams(definition * defp, token * tokp)
 832 {
 833     declaration dec;
 834     decl_list *decls, **tailp;
 835
 836     Proc_listp = &defp->pc.plists;
 837     tailp = &defp->def.st.decls;
 838     do {
 839         get_token(tokp);
 840         Proc_list = ALLOC(proc1_list);
 841         memset(Proc_list, 0, sizeof(proc1_list));
 842         Proc_list->pl.param_flag = 0;
 843         switch (tokp->kind) {
 844         case TOK_IN:
 845             hdle_param_tok(defp, &dec, tokp, DEF_INPARAM);
 846             break;
 847         case TOK_OUT:
 848             hdle_param_tok(defp, &dec, tokp, DEF_OUTPARAM);
 849             break;
 850         case TOK_INOUT:
 851             hdle_param_tok(defp, &dec, tokp, DEF_INOUTPARAM);
 852             break;
 853         case TOK_RPAREN:
 854             break;
 855         default:
 856             unget_token(tokp);
 857             hdle_param_tok(defp, &dec, tokp, DEF_NULL);
 858             break;
 859         }
 860         *Proc_listp = Proc_list;
 861         Proc_listp = &Proc_list->next;
 862         decls = ALLOC(decl_list);
 863         memset(decls, 0, sizeof(decl_list));
 864         if (tokp->kind != TOK_RPAREN)
 865             decls->decl = dec;
 866         *tailp = decls;
 867         tailp = &decls->next;
 868     } while (tokp->kind != TOK_RPAREN);
 869     *tailp = NULL;
 870 }
 871
 872
 873 static void
 874 generate_code(definition * defp, int proc_split_flag, int multi_flag)
 875 {
 876     if (proc_split_flag)
 877         handle_split_proc(defp, multi_flag);
 878     else {
 879         if (Cflag || cflag) {
 880             cs_Proc_CodeGeneration(defp, 0, "");
 881         }
 882         if (Sflag || cflag)
 883             ss_Proc_CodeGeneration(defp);
 884     }
 885     if (Sflag || (cflag && xflag && !proc_split_flag) || hflag)
 886         STOREVAL(&proc_defined[PackageIndex], defp);
 887 }
 888
 889
 890 static void
 891 handle_split_proc(definition * defp, int multi_flag)
 892 {
 893     char *startname = SplitStart, *endname = SplitEnd;
 894     int numofparams = 0;
 895
 896     if (!startname)
 897         startname = "Start";
 898     if (!endname)
 899         endname = "End";
 900     if (Cflag || cflag) {
 901         if (!cflag) {
 902             do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 0);
 903         }
 904         cs_Proc_CodeGeneration(defp, 1, startname);
 905         if (!cflag) {
 906             do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 1);
 907             do_split(defp, IN, &numofparams, DEF_INPARAM, 0);
 908         }
 909         cs_Proc_CodeGeneration(defp, (multi_flag ? 3 : 2), endname);
 910         if (!cflag) {
 911             do_split(defp, IN, &numofparams, DEF_INPARAM, 1);
 912         }
 913     }
 914     if (Sflag || cflag)
 915         ss_Proc_CodeGeneration(defp);
 916 }
 917
 918
 919 static void
 920 do_split(definition * defp, int direction, int *numofparams,
 921          defkind param_kind, int restore_flag)
 922 {
 923     proc1_list *plist;
 924
 925     if (restore_flag) {
 926         defp->pc.paramtypes[direction] = *numofparams;
 927         for (plist = defp->pc.plists; plist; plist = plist->next) {
 928             if (plist->component_kind == DEF_NULL
 929                 && plist->pl.param_kind == param_kind)
 930                 plist->component_kind = DEF_PARAM;
 931         }
 932     } else {
 933         *numofparams = defp->pc.paramtypes[direction];
 934         defp->pc.paramtypes[direction] = 0;
 935         for (plist = defp->pc.plists; plist; plist = plist->next) {
 936             if (plist->component_kind == DEF_PARAM
 937                 && plist->pl.param_kind == param_kind)
 938                 plist->component_kind = DEF_NULL;
 939         }
 940     }
 941 }
 942
 943
 944 static void
 945 hdle_param_tok(definition * defp, declaration * dec, token * tokp,
 946                defkind par_kind)
 947 {
 948     static defkind last_param_kind = DEF_NULL;
 949
 950     if (par_kind == DEF_NULL)
 951         Proc_list->pl.param_kind = last_param_kind;
 952     else
 953         Proc_list->pl.param_kind = par_kind;
 954     last_param_kind = Proc_list->pl.param_kind;
 955     defp->pc.paramtypes[(int)last_param_kind]++;
 956     Proc_list->component_kind = DEF_PARAM;
 957     Proc_list->code = alloc(250);
 958     Proc_list->scode = alloc(250);
 959     get_declaration(dec, par_kind);
 960     Proc_list->pl.param_name = dec->name;
 961     get1_param_type(defp, dec, &Proc_list->pl.param_type);
 962     print_param(dec);
 963     scan2(TOK_COMMA, TOK_RPAREN, tokp);
 964     if (tokp->kind == TOK_COMMA)
 965         peek(tokp);
 966 }
 967
 968
 969 static void
 970 get1_param_type(definition * defp, declaration * dec, char **param_type)
 971 {
 972     char typecontents[100];
 973
 974     if (streq(dec->type, "string")) {
 975         *param_type = "char *";
 976     } else {
 977         if (dec->prefix) {
 978             strcpy(typecontents, dec->prefix);
 979             strcat(typecontents, " ");
 980             strcat(typecontents, dec->type);
 981             strcat(typecontents, " *");
 982         } else if (dec->rel == REL_POINTER) {
 983             strcpy(typecontents, dec->type);
 984             strcat(typecontents, " *");
 985         } else
 986             strcpy(typecontents, dec->type);
 987         *param_type = alloc(100);
 988         strcpy(*param_type, typecontents);
 989     }
 990 }
 991
 992
 993 static void
 994 get_param_type(definition * defp, declaration * dec, char **param_type,
 995                char **typename)
 996 {
 997     char typecontents[100];
 998
 999     if (streq(dec->type, "string")) {
1000         *typename = "wrapstring";
1001         *param_type = "char *";
1002     } else {
1003         *typename = dec->type;
1004         if (dec->prefix) {
1005             strcpy(typecontents, dec->prefix);
1006             strcat(typecontents, " ");
1007             strcat(typecontents, dec->type);
1008             strcat(typecontents, " *");
1009             dec->rel = REL_POINTER;
1010         } else if (dec->rel == REL_POINTER) {
1011             strcpy(typecontents, dec->type);
1012             strcat(typecontents, " *");
1013         } else
1014             strcpy(typecontents, dec->type);
1015         *param_type = alloc(100);
1016         strcpy(*param_type, typecontents);
1017     }
1018 }
1019
1020
1021 #ifdef undef
1022 static void
1023 hndle_param_tail(definition * defp, declaration * dec, token * tokp,
1024                  char *typename)
1025 {
1026     char *amp;
1027
1028     if (dec->rel == REL_POINTER)
1029         Proc_list->pl.param_flag |= INDIRECT_PARAM;
1030     else
1031         Proc_list->pl.param_flag &= ~INDIRECT_PARAM;
1032     amp = "";
1033     if (!(Proc_list->pl.param_flag & INDIRECT_PARAM))
1034         amp = "&";
1035
1036     sprintf(Proc_list->code, "xdr_%s(&z_xdrs, %s%s)", typename, amp,
1037             Proc_list->pl.param_name);
1038     sprintf(Proc_list->scode, "xdr_%s(z_xdrs, &%s)", typename,
1039             Proc_list->pl.param_name);
1040     scan2(TOK_COMMA, TOK_RPAREN, tokp);
1041     if (tokp->kind == TOK_COMMA)
1042         peek(tokp);
1043 }
1044 #endif
1045
1046
1047 static void
1048 cs_Proc_CodeGeneration(definition * defp, int split_flag, char *procheader)
1049 {
1050     defp->can_fail = 0;
1051     cs_ProcName_setup(defp, procheader, split_flag);
1052     if (!cflag) {
1053         cs_ProcParams_setup(defp, split_flag);
1054         cs_ProcMarshallInParams_setup(defp, split_flag);
1055         if (split_flag != 1) {
1056             cs_ProcSendPacket_setup(defp, split_flag);
1057             cs_ProcUnmarshallOutParams_setup(defp);
1058         }
1059         cs_ProcTail_setup(defp, split_flag);
1060     }
1061
1062     if (!kflag && !split_flag && uflag) {
1063         ucs_ProcName_setup(defp, "ubik_", split_flag);
1064         if (!cflag) {
1065             ucs_ProcParams_setup(defp, split_flag);
1066             ucs_ProcTail_setup(defp, split_flag);
1067         }
1068     }
1069 }
1070
1071 static void
1072 cs_ProcName_setup(definition * defp, char *procheader, int split_flag)
1073 {
1074     proc1_list *plist;
1075     char *first_arg;
1076
1077     if (ansic_flag) {
1078         if (split_flag) {
1079             first_arg = "struct rx_call *z_call";
1080         } else {
1081             first_arg = "struct rx_connection *z_conn";
1082         }
1083     } else {
1084         if (split_flag) {
1085             first_arg = "z_call";
1086         } else {
1087             first_arg = "z_conn";
1088         }
1089     }
1090
1091     if (!cflag) {
1092         f_print(fout, "int %s%s%s%s(%s", procheader, prefix,
1093                 PackagePrefix[PackageIndex], defp->pc.proc_name, first_arg);
1094     }
1095     if ((strlen(procheader) + strlen(prefix) +
1096          strlen(PackagePrefix[PackageIndex]) + strlen(defp->pc.proc_name)) >=
1097         MAX_FUNCTION_NAME_LEN) {
1098         error("function name is too long, increase MAX_FUNCTION_NAME_LEN");
1099     }
1100     if (!cflag) {
1101         for (plist = defp->pc.plists; plist; plist = plist->next) {
1102             if (plist->component_kind == DEF_PARAM) {
1103                 f_print(fout, ",");
1104                 if (ansic_flag) {
1105                     if (plist->pl.param_kind == DEF_INPARAM &&
1106                         strcmp(plist->pl.param_type, "char *") == 0) {
1107                         f_print(fout, "const ");
1108                     }
1109                     if (plist->pl.param_flag & OUT_STRING) {
1110                         f_print(fout, "%s *%s", plist->pl.param_type,
1111                                 plist->pl.param_name);
1112                     } else {
1113                         f_print(fout, "%s %s", plist->pl.param_type,
1114                                 plist->pl.param_name);
1115                     }
1116                 } else {
1117                     f_print(fout, " %s", plist->pl.param_name);
1118                     plist->pl.param_flag &= ~PROCESSED_PARAM;
1119                 }
1120             }
1121         }
1122         f_print(fout, ")\n");
1123     }
1124 }
1125
1126 static void
1127 cs_ProcParams_setup(definition * defp, int split_flag)
1128 {
1129     proc1_list *plist, *plist1;
1130
1131     if (ansic_flag)
1132         return;
1133
1134     if (!split_flag)
1135         f_print(fout, "\tstruct rx_connection *z_conn;\n");
1136     if (split_flag) {
1137         f_print(fout, "\tstruct rx_call *z_call;\n");
1138     }
1139     for (plist = defp->pc.plists; plist; plist = plist->next) {
1140         if (plist->component_kind == DEF_PARAM
1141             && !(plist->pl.param_flag & PROCESSED_PARAM)) {
1142             if (plist->pl.param_flag & OUT_STRING) {
1143                 f_print(fout, "\t%s *%s", plist->pl.param_type,
1144                         plist->pl.param_name);
1145             } else {
1146                 f_print(fout, "\t%s %s", plist->pl.param_type,
1147                         plist->pl.param_name);
1148             }
1149             plist->pl.param_flag |= PROCESSED_PARAM;
1150             for (plist1 = defp->pc.plists; plist1; plist1 = plist1->next) {
1151                 if ((plist1->component_kind == DEF_PARAM)
1152                     && streq(plist->pl.param_type, plist1->pl.param_type)
1153                     && !(plist1->pl.param_flag & PROCESSED_PARAM)) {
1154                     char *star = "";
1155                     char *pntr = strchr(plist1->pl.param_type, '*');
1156                     if (pntr)
1157                         star = "*";
1158                     if (plist1->pl.param_flag & OUT_STRING) {
1159                         f_print(fout, ", *%s%s", star, plist1->pl.param_name);
1160                     } else {
1161                         f_print(fout, ", %s%s", star, plist1->pl.param_name);
1162                     }
1163                     plist1->pl.param_flag |= PROCESSED_PARAM;
1164                 }
1165             }
1166             f_print(fout, ";\n");
1167         }
1168     }
1169 }
1170
1171
1172 static void
1173 cs_ProcMarshallInParams_setup(definition * defp, int split_flag)
1174 {
1175     int noofparams, i = 0;
1176     proc1_list *plist;
1177     decl_list *dl;
1178     int noofallparams =
1179         defp->pc.paramtypes[IN] + defp->pc.paramtypes[INOUT] +
1180         defp->pc.paramtypes[OUT];
1181
1182     f_print(fout, "{\n");
1183     if (!split_flag)
1184         f_print(fout, "\tstruct rx_call *z_call = rx_NewCall(z_conn);\n");
1185     if ((!split_flag) || (split_flag == 1)) {
1186         if (opcodesnotallowed[PackageIndex]) {
1187             f_print(fout, "\tstatic int z_op = %d;\n",
1188                     defp->pc.proc_opcodenum);
1189         } else {
1190             f_print(fout, "\tstatic int z_op = %s;\n",
1191                     defp->pc.proc_opcodename);
1192         }
1193     }
1194     f_print(fout, "\tint z_result;\n");
1195     if (!(split_flag > 1) || (noofallparams != 0)) {
1196         f_print(fout, "\tXDR z_xdrs;\n");
1197     }
1198
1199     if ((!split_flag) || (split_flag == 1)) {
1200         f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_ENCODE);\n");
1201         f_print(fout, "\n\t/* Marshal the arguments */\n");
1202         f_print(fout, "\tif ((!xdr_int(&z_xdrs, &z_op))");
1203         noofparams = defp->pc.paramtypes[IN] + defp->pc.paramtypes[INOUT];
1204         for (plist = defp->pc.plists, dl = defp->def.st.decls; plist;
1205              plist = plist->next, dl = dl->next) {
1206             if (plist->component_kind == DEF_PARAM
1207                 && (plist->pl.param_kind == DEF_INPARAM
1208                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1209                 f_print(fout, "\n\t     || (!%s)", plist->code);
1210                 if (++i == noofparams) {
1211                     f_print(fout,
1212                             ") {\n\t\tz_result = RXGEN_CC_MARSHAL;\n\t\tgoto fail;\n\t}\n\n");
1213                     defp->can_fail = 1;
1214                 }
1215             }
1216         }
1217         if (!i) {
1218             f_print(fout,
1219                     ") {\n\t\tz_result = RXGEN_CC_MARSHAL;\n\t\tgoto fail;\n\t}\n\n");
1220             defp->can_fail = 1;
1221         }
1222     }
1223 }
1224
1225
1226 static void
1227 cs_ProcSendPacket_setup(definition * defp, int split_flag)
1228 {
1229     int noofoutparams = defp->pc.paramtypes[INOUT] + defp->pc.paramtypes[OUT];
1230
1231     if (noofoutparams) {
1232         f_print(fout, "\t/* Un-marshal the reply arguments */\n");
1233         if (split_flag) {
1234             f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_DECODE);\n");
1235         } else {
1236             f_print(fout, "\tz_xdrs.x_op = XDR_DECODE;\n");
1237         }
1238     }
1239 }
1240
1241
1242 static void
1243 cs_ProcUnmarshallOutParams_setup(definition * defp)
1244 {
1245     int noofparams, i;
1246     proc1_list *plist;
1247     decl_list *dl;
1248
1249     noofparams = defp->pc.paramtypes[INOUT] + defp->pc.paramtypes[OUT];
1250     if (noofparams)
1251         for (plist = defp->pc.plists, dl = defp->def.st.decls, i = 0; plist;
1252              plist = plist->next, dl = dl->next) {
1253             if (plist->component_kind == DEF_PARAM
1254                 && (plist->pl.param_kind == DEF_OUTPARAM
1255                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1256                 if (!i) {
1257                     f_print(fout, "\tif ((!%s)", plist->code);
1258                 } else {
1259                     f_print(fout, "\n\t     || (!%s)", plist->code);
1260                 }
1261                 if (++i == noofparams) {
1262                     f_print(fout,
1263                             ") {\n\t\tz_result = RXGEN_CC_UNMARSHAL;\n\t\tgoto fail;\n\t}\n\n");
1264                     defp->can_fail = 1;
1265                 }
1266             }
1267         }
1268 }
1269
1270
1271 static void
1272 cs_ProcTail_setup(definition * defp, int split_flag)
1273 {
1274     f_print(fout, "\tz_result = RXGEN_SUCCESS;\n");
1275     if (defp->can_fail) {
1276         f_print(fout, "fail:\n");
1277     }
1278     if (!split_flag) {
1279         f_print(fout, "\tz_result = rx_EndCall(z_call, z_result);\n");
1280     }
1281     if (xflag && split_flag != 1) {
1282         f_print(fout, "\tif (rx_enable_stats) {\n");
1283         if (PackageStatIndex[PackageIndex]) {
1284             f_print(fout,
1285                     "\t    rx_RecordCallStatistics(z_call, %s,\n",
1286                     PackageStatIndex[PackageIndex]);
1287         } else {
1288             f_print(fout,
1289                     "\t    rx_RecordCallStatistics(z_call, \n"
1290                     "\t\t(((afs_uint32)(ntohs(rx_ServiceIdOf(rx_ConnectionOf(z_call))) << 16)) |\n"
1291                     "\t\t((afs_uint32)ntohs(rx_PortOf(rx_PeerOf(rx_ConnectionOf(z_call)))))),\n");
1292         }
1293         f_print(fout, "\t\t%d, %sNO_OF_STAT_FUNCS, 1);\n",
1294                 no_of_stat_funcs, PackagePrefix[PackageIndex]);
1295         f_print(fout, "\t}\n\n");
1296     }
1297     f_print(fout, "\treturn z_result;\n}\n\n");
1298 }
1299
1300
1301 static void
1302 ss_Proc_CodeGeneration(definition * defp)
1303 {
1304     defp->can_fail = 0;
1305     ss_ProcName_setup(defp);
1306     if (!cflag) {
1307         ss_ProcParams_setup(defp);
1308         ss_ProcSpecial_setup(defp);
1309         ss_ProcUnmarshallInParams_setup(defp);
1310         ss_ProcCallRealProc_setup(defp);
1311         ss_ProcMarshallOutParams_setup(defp);
1312         ss_ProcTail_setup(defp);
1313     }
1314 }
1315
1316
1317 static void
1318 ss_ProcName_setup(definition * defp)
1319 {
1320     proc1_list *plist;
1321
1322     if ((strlen(prefix) + strlen(PackagePrefix[PackageIndex]) +
1323          strlen(defp->pc.proc_name)) >= MAX_FUNCTION_NAME_LEN) {
1324         error("function name is too long, increase MAX_FUNCTION_NAME_LEN");
1325     }
1326
1327     if (!cflag) {
1328         f_print(fout, "static afs_int32 _%s%s%s(", prefix,
1329                 PackagePrefix[PackageIndex], defp->pc.proc_name);
1330         f_print(fout, "struct rx_call *z_call, XDR *z_xdrs)\n{\n");
1331         f_print(fout, "\t" "afs_int32 z_result;\n");
1332
1333         for (plist = defp->pc.plists; plist; plist = plist->next)
1334             if (plist->component_kind == DEF_PARAM) {
1335                 plist->pl.param_flag &= ~(PROCESSED_PARAM);
1336                 plist->pl.string_name = NULL;
1337             }
1338     }
1339 }
1340
1341
1342 static void
1343 ss_ProcParams_setup(definition * defp)
1344 {
1345     proc1_list *plist, *plist1;
1346     list *listp;
1347     definition *defp1;
1348
1349     for (plist = defp->pc.plists; plist; plist = plist->next) {
1350         if ((plist->component_kind == DEF_PARAM)
1351             && !(plist->pl.param_flag & PROCESSED_PARAM)) {
1352             if (plist->pl.param_flag & INDIRECT_PARAM) {
1353                 char pres = '\0', *pntr = strchr(plist->pl.param_type, '*');
1354                 if (pntr) {
1355                     --pntr;
1356                     pres = *pntr;
1357                     *pntr = (char)0;
1358                 }
1359                 f_print(fout, "\t%s %s", plist->pl.param_type,
1360                         plist->pl.param_name);
1361                 if (pntr)
1362                     *pntr = pres;
1363             } else if (strchr(plist->pl.param_type, '*') == 0) {
1364                 f_print(fout, "\t%s %s", plist->pl.param_type,
1365                         plist->pl.param_name);
1366             } else {
1367                 plist->pl.param_flag |= FREETHIS_PARAM;
1368                 f_print(fout, "\t%s %s=(%s)0", plist->pl.param_type,
1369                         plist->pl.param_name, plist->pl.param_type);
1370             }
1371             plist->pl.param_flag |= PROCESSED_PARAM;
1372             for (plist1 = defp->pc.plists; plist1; plist1 = plist1->next) {
1373                 if ((plist1->component_kind == DEF_PARAM)
1374                     && streq(plist->pl.param_type, plist1->pl.param_type)
1375                     && !(plist1->pl.param_flag & PROCESSED_PARAM)) {
1376                     if (plist1->pl.param_flag & INDIRECT_PARAM) {
1377                         f_print(fout, ", %s", plist1->pl.param_name);
1378                     } else if (strchr(plist1->pl.param_type, '*') == 0) {
1379                         f_print(fout, ", %s", plist1->pl.param_name);
1380                     } else {
1381                         plist1->pl.param_flag |= FREETHIS_PARAM;
1382                         f_print(fout, ", *%s=(%s)0", plist1->pl.param_name,
1383                                 plist1->pl.param_type);
1384                     }
1385                     plist1->pl.param_flag |= PROCESSED_PARAM;
1386                 }
1387             }
1388             f_print(fout, ";\n");
1389         }
1390     }
1391     for (listp = typedef_defined; listp != NULL; listp = listp->next) {
1392         defp1 = (definition *) listp->val;
1393         for (plist = defp->pc.plists; plist; plist = plist->next) {
1394             if (plist->component_kind == DEF_PARAM
1395                 && (plist->pl.param_kind == DEF_OUTPARAM
1396                     || plist->pl.param_kind == DEF_INOUTPARAM)
1397                 && !(plist->pl.param_flag & FREETHIS_PARAM)) {
1398                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1399                     switch (defp1->pc.rel) {
1400                     case REL_ARRAY:
1401                     case REL_POINTER:
1402                     default:
1403                         break;
1404                     }
1405                 }
1406             }
1407         }
1408     }
1409     fprintf(fout, "\n");
1410 }
1411
1412
1413 static void
1414 ss_ProcSpecial_setup(definition * defp)
1415 {
1416     proc1_list *plist;
1417     definition *defp1;
1418     list *listp;
1419
1420     for (listp = special_defined; listp != NULL; listp = listp->next) {
1421         defp1 = (definition *) listp->val;
1422
1423         for (plist = defp->pc.plists; plist; plist = plist->next) {
1424             if (plist->component_kind == DEF_PARAM
1425                 && (plist->pl.param_kind == DEF_INPARAM
1426                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1427                 spec_list *spec = defp1->def.sd.specs;
1428                 char string[40];
1429                 strcpy(string, structname(spec->sdef.string_value));
1430                 if (streq(string, structname(plist->pl.param_type))) {
1431                     plist->pl.string_name = spec->sdef.string_name;
1432                     plist->pl.param_flag |= FREETHIS_PARAM;
1433                     fprintf(fout, "\n\t%s.%s = 0;", plist->pl.param_name,
1434                             spec->sdef.string_name);
1435                 }
1436             }
1437         }
1438     }
1439     for (listp = typedef_defined; listp != NULL; listp = listp->next) {
1440         defp1 = (definition *) listp->val;
1441         for (plist = defp->pc.plists; plist; plist = plist->next) {
1442             if (plist->component_kind == DEF_PARAM) {
1443                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1444                     plist->pl.param_flag |= FREETHIS_PARAM;
1445                     switch (defp1->pc.rel) {
1446                     case REL_ARRAY:
1447                         plist->pl.string_name = alloc(40);
1448                         if (brief_flag) {
1449                             f_print(fout, "\n\t%s.val = 0;",
1450                                     plist->pl.param_name);
1451                             f_print(fout, "\n\t%s.len = 0;",
1452                                     plist->pl.param_name);
1453                             s_print(plist->pl.string_name, "val");
1454                         } else {
1455                             f_print(fout, "\n\t%s.%s_val = 0;",
1456                                     plist->pl.param_name, defp1->def_name);
1457                             f_print(fout, "\n\t%s.%s_len = 0;",
1458                                     plist->pl.param_name, defp1->def_name);
1459                             s_print(plist->pl.string_name, "%s_val",
1460                                     defp1->def_name);
1461                         }
1462                         break;
1463                     case REL_POINTER:
1464                         f_print(fout, "\n\t%s = 0;", plist->pl.param_name);
1465                         plist->pl.string_name = NULL;
1466                         break;
1467                     default:
1468                         break;
1469                     }
1470                 }
1471             }
1472         }
1473     }
1474     for (listp = complex_defined; listp != NULL; listp = listp->next) {
1475         defp1 = (definition *) listp->val;
1476         for (plist = defp->pc.plists; plist; plist = plist->next) {
1477             if (plist->component_kind == DEF_PARAM) {
1478                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1479                     plist->pl.param_flag |= FREETHIS_PARAM;
1480                     fprintf(fout, "\n\tmemset(&%s, 0, sizeof(%s));",
1481                                  plist->pl.param_name, defp1->def_name);
1482                 }
1483             }
1484         }
1485     }
1486
1487     f_print(fout, "\n");
1488 }
1489
1490
1491 static void
1492 ss_ProcUnmarshallInParams_setup(definition * defp)
1493 {
1494     int noofparams, noofoutparams, i;
1495     proc1_list *plist;
1496
1497     noofparams = defp->pc.paramtypes[IN] + defp->pc.paramtypes[INOUT];
1498     noofoutparams = defp->pc.paramtypes[INOUT] + defp->pc.paramtypes[OUT];
1499     for (plist = defp->pc.plists, i = 0; plist; plist = plist->next) {
1500         if (plist->component_kind == DEF_PARAM
1501             && (plist->pl.param_kind == DEF_INPARAM
1502                 || plist->pl.param_kind == DEF_INOUTPARAM)) {
1503             if (!i) {
1504                 f_print(fout, "\n\tif ((!%s)",
1505                         (plist->scode ? plist->scode : plist->code));
1506             } else {
1507                 f_print(fout, "\n\t     || (!%s)",
1508                         (plist->scode ? plist->scode : plist->code));
1509             }
1510             if (++i == noofparams) {
1511                 if (!noofoutparams) {
1512                     f_print(fout, ") {\n");
1513                 } else {
1514                     f_print(fout, ") {\n");
1515                 }
1516                 f_print(fout,
1517                         "\t\tz_result = RXGEN_SS_UNMARSHAL;\n\t\tgoto fail;\n\t}\n\n");
1518                 defp->can_fail = 1;
1519             }
1520         }
1521     }
1522 }
1523
1524
1525 static void
1526 ss_ProcCallRealProc_setup(definition * defp)
1527 {
1528     extern char zflag;
1529     proc1_list *plist;
1530
1531     f_print(fout, "\tz_result = %s%s%s%s(z_call", prefix, ServerPrefix,
1532             PackagePrefix[PackageIndex], defp->pc.proc_name);
1533     for (plist = defp->pc.plists; plist; plist = plist->next) {
1534         if (plist->component_kind == DEF_PARAM) {
1535             if (plist->pl.param_flag & INDIRECT_PARAM) {
1536                 f_print(fout, ", &%s", plist->pl.param_name);
1537             } else {
1538                 if (plist->pl.param_flag & OUT_STRING) {
1539                     f_print(fout, ", &%s", plist->pl.param_name);
1540                 } else {
1541                     f_print(fout, ", %s", plist->pl.param_name);
1542                 }
1543             }
1544         }
1545     }
1546     f_print(fout, ");\n");
1547     if (zflag) {
1548         f_print(fout, "\tif (z_result)\n\t\treturn z_result;\n");
1549     }
1550 }
1551
1552
1553 static void
1554 ss_ProcMarshallOutParams_setup(definition * defp)
1555 {
1556     proc1_list *plist;
1557     int noofparams, i;
1558
1559     noofparams = defp->pc.paramtypes[INOUT] + defp->pc.paramtypes[OUT];
1560     if (noofparams)
1561         f_print(fout, "\tz_xdrs->x_op = XDR_ENCODE;\n");
1562     if (noofparams) {
1563         for (plist = defp->pc.plists, i = 0; plist; plist = plist->next) {
1564             if (plist->component_kind == DEF_PARAM
1565                 && (plist->pl.param_kind == DEF_OUTPARAM
1566                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1567                 if (!i) {
1568                     f_print(fout, "\tif ((!%s)",
1569                             (plist->scode ? plist->scode : plist->code));
1570                 } else {
1571                     f_print(fout, "\n\t     || (!%s)",
1572                             (plist->scode ? plist->scode : plist->code));
1573                 }
1574                 if (++i == noofparams) {
1575                     f_print(fout, ")\n\t\tz_result = RXGEN_SS_MARSHAL;\n");
1576                 }
1577             }
1578         }
1579     }
1580 }
1581
1582 static void
1583 ss_ProcTail_frees(char *xdrfunc, int *somefrees) {
1584     if (!*somefrees) {
1585         f_print(fout, "\tz_xdrs->x_op = XDR_FREE;\n");
1586         f_print(fout, "\tif ((!%s)", xdrfunc);
1587         *somefrees = 1;
1588     } else {
1589         f_print(fout, "\n\t    || (!%s)", xdrfunc);
1590     }
1591 }
1592
1593
1594 static void
1595 ss_ProcTail_setup(definition * defp)
1596 {
1597     proc1_list *plist;
1598     definition *defp1;
1599     list *listp;
1600     int somefrees = 0;
1601
1602     if (defp->can_fail) {
1603         f_print(fout, "fail:\n");
1604     }
1605
1606     for (plist = defp->pc.plists; plist; plist = plist->next) {
1607         if (plist->component_kind == DEF_PARAM
1608                 && (plist->pl.param_flag & FREETHIS_PARAM))
1609             ss_ProcTail_frees(plist->scode, &somefrees);
1610     }
1611
1612     for (listp = typedef_defined; listp != NULL; listp = listp->next) {
1613         defp1 = (definition *) listp->val;
1614         for (plist = defp->pc.plists; plist; plist = plist->next) {
1615             if (plist->component_kind == DEF_PARAM
1616                 && (plist->pl.param_kind == DEF_OUTPARAM
1617                     || plist->pl.param_kind == DEF_INOUTPARAM)
1618                 && !(plist->pl.param_flag & FREETHIS_PARAM)) {
1619                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1620                     switch (defp1->pc.rel) {
1621                     case REL_ARRAY:
1622                     case REL_POINTER:
1623                         ss_ProcTail_frees(plist->scode, &somefrees);
1624                         break;
1625                     default:
1626                         break;
1627                     }
1628                 }
1629             }
1630         }
1631     }
1632
1633     for (listp = uniondef_defined; listp != NULL; listp = listp->next) {
1634         defp1 = (definition *) listp->val;
1635         for (plist = defp->pc.plists; plist; plist = plist->next) {
1636             if (plist->component_kind == DEF_PARAM
1637                 && (plist->pl.param_kind == DEF_OUTPARAM
1638                     || plist->pl.param_kind == DEF_INOUTPARAM)
1639                 && !(plist->pl.param_flag & FREETHIS_PARAM)) {
1640                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1641                     if (plist->pl.param_flag & INDIRECT_PARAM) {
1642                         ss_ProcTail_frees(plist->scode, &somefrees);
1643                     }
1644                 }
1645             }
1646         }
1647     }
1648
1649     if (somefrees) {
1650         f_print(fout, ")\n");
1651         f_print(fout, "\t\tz_result = RXGEN_SS_XDRFREE;\n\n");
1652     }
1653
1654     if (xflag) {
1655         f_print(fout, "\tif (rx_enable_stats) {\n");
1656         f_print(fout, "\t    rx_RecordCallStatistics(z_call,");
1657         if (PackageStatIndex[PackageIndex]) {
1658             f_print(fout, " %s,\n", PackageStatIndex[PackageIndex]);
1659         } else {
1660             f_print(fout,
1661                     "\n\t\t(((afs_uint32)(ntohs(rx_ServiceIdOf(rx_ConnectionOf(z_call))) << 16)) |\n"
1662                     "\t\t((afs_uint32)ntohs(rx_ServiceOf(rx_ConnectionOf(z_call))->servicePort))),\n");
1663         }
1664         f_print(fout, "\t\t%d, %sNO_OF_STAT_FUNCS, 0);\n",
1665                 no_of_stat_funcs, PackagePrefix[PackageIndex]);
1666         f_print(fout, "\t}\n\n");
1667     }
1668
1669     f_print(fout, "\treturn z_result;\n");
1670     f_print(fout, "}\n\n");
1671 }
1672
1673
1674 static void
1675 ucs_ProcName_setup(definition * defp, char *procheader, int split_flag)
1676 {
1677     proc1_list *plist;
1678
1679     if (!cflag) {
1680         if (ansic_flag) {
1681             f_print(fout, "int %s%s%s%s(struct ubik_client *aclient, afs_int32 aflags",
1682                           procheader, prefix, PackagePrefix[PackageIndex],
1683                           defp->pc.proc_name);
1684         } else {
1685             f_print(fout, "int %s%s%s%s(aclient, aflags", procheader, prefix,
1686                           PackagePrefix[PackageIndex], defp->pc.proc_name);
1687         }
1688     }
1689     if ((strlen(procheader) + strlen(prefix) +
1690          strlen(PackagePrefix[PackageIndex]) + strlen(defp->pc.proc_name)) >=
1691         MAX_FUNCTION_NAME_LEN) {
1692         error("function name is too long, increase MAX_FUNCTION_NAME_LEN");
1693     }
1694     if (!cflag) {
1695         for (plist = defp->pc.plists; plist; plist = plist->next) {
1696             if (plist->component_kind == DEF_PARAM) {
1697                 f_print(fout, ",");
1698                 if (ansic_flag) {
1699                     if (plist->pl.param_kind == DEF_INPARAM &&
1700                         strcmp(plist->pl.param_type, "char *") == 0) {
1701                         f_print(fout, "const ");
1702                     }
1703                     if (plist->pl.param_flag & OUT_STRING) {
1704                         f_print(fout, "%s *%s", plist->pl.param_type,
1705                                 plist->pl.param_name);
1706                     } else {
1707                         f_print(fout, "%s %s", plist->pl.param_type,
1708                                 plist->pl.param_name);
1709                     }
1710                 } else {
1711                     plist->pl.param_flag &= ~PROCESSED_PARAM;
1712                     f_print(fout, " %s", plist->pl.param_name);
1713                 }
1714             }
1715         }
1716         f_print(fout, ")\n");
1717     }
1718 }
1719
1720
1721 static void
1722 ucs_ProcParams_setup(definition * defp, int split_flag)
1723 {
1724     proc1_list *plist, *plist1;
1725
1726     if (ansic_flag)
1727         return;
1728
1729     f_print(fout, "\tstruct ubik_client *aclient;\n\tafs_int32 aflags;\n");
1730     for (plist = defp->pc.plists; plist; plist = plist->next) {
1731         if (plist->component_kind == DEF_PARAM
1732             && !(plist->pl.param_flag & PROCESSED_PARAM)) {
1733             if (plist->pl.param_flag & OUT_STRING) {
1734                 f_print(fout, "\t%s *%s", plist->pl.param_type,
1735                         plist->pl.param_name);
1736             } else {
1737                 f_print(fout, "\t%s %s", plist->pl.param_type,
1738                         plist->pl.param_name);
1739             }
1740             plist->pl.param_flag |= PROCESSED_PARAM;
1741             for (plist1 = defp->pc.plists; plist1; plist1 = plist1->next) {
1742                 if ((plist1->component_kind == DEF_PARAM)
1743                     && streq(plist->pl.param_type, plist1->pl.param_type)
1744                     && !(plist1->pl.param_flag & PROCESSED_PARAM)) {
1745                     char *star = "";
1746                     char *pntr = strchr(plist1->pl.param_type, '*');
1747                     if (pntr)
1748                         star = "*";
1749                     if (plist1->pl.param_flag & OUT_STRING) {
1750                         f_print(fout, ", *%s%s", star, plist1->pl.param_name);
1751                     } else {
1752                         f_print(fout, ", %s%s", star, plist1->pl.param_name);
1753                     }
1754                     plist1->pl.param_flag |= PROCESSED_PARAM;
1755                 }
1756             }
1757             f_print(fout, ";\n");
1758         }
1759     }
1760 }
1761
1762 static void
1763 ucs_ProcTail_setup(definition * defp, int split_flag)
1764 {
1765     proc1_list *plist;
1766
1767     f_print(fout, "{\tafs_int32 rcode, code, newHost, thisHost, i, _ucount;\n");
1768     f_print(fout, "\tint chaseCount, pass, needsync;\n");
1769     f_print(fout, "\tstruct rx_connection *tc;\n");
1770     f_print(fout, "\tstruct rx_peer *rxp;\n");
1771     f_print(fout, "\tshort origLevel;\n\n");
1772     f_print(fout, "\tif (!aclient)\n");
1773     f_print(fout, "\t\treturn UNOENT;\n");
1774     f_print(fout, "\tLOCK_UBIK_CLIENT(aclient);\n\n");
1775     f_print(fout, "\t restart:\n");
1776     f_print(fout, "\torigLevel = aclient->initializationState;\n");
1777     f_print(fout, "\trcode = UNOSERVERS;\n");
1778     f_print(fout, "\tchaseCount = needsync = 0;\n\n");
1779     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");
1780     f_print(fout, "\tfor (pass = 0; pass < 2; pass++) {  /*p */\n");
1781     f_print(fout, "\t\t/* For each entry in our servers list */\n");
1782     f_print(fout, "\t\tfor (_ucount = 0;; _ucount++) {     /*s */\n\n");
1783     f_print(fout, "\t\tif (needsync) {\n");
1784     f_print(fout, "\t\t\t/* Need a sync site. Lets try to quickly find it */\n");
1785     f_print(fout, "\t\t\tif (aclient->syncSite) {\n");
1786     f_print(fout, "\t\t\t\tnewHost = aclient->syncSite;        /* already in network order */\n");
1787     f_print(fout, "\t\t\t\taclient->syncSite = 0;      /* Will reset if it works */\n");
1788     f_print(fout, "\t\t\t} else if (aclient->conns[3]) {\n");
1789     f_print(fout, "\t\t\t\t/* If there are fewer than four db servers in a cell,\n");
1790     f_print(fout, "\t\t\t\t* there's no point in making the GetSyncSite call.\n");
1791     f_print(fout, "\t\t\t\t* At best, it's a wash. At worst, it results in more\n");
1792     f_print(fout, "\t\t\t\t* RPCs than you would otherwise make.\n");
1793     f_print(fout, "\t\t\t\t*/\n");
1794     f_print(fout, "\t\t\t\ttc = aclient->conns[_ucount];\n");
1795     f_print(fout, "\t\t\t\tif (tc && rx_ConnError(tc)) {\n");
1796     f_print(fout, "\t\t\t\t\taclient->conns[_ucount] = tc = ubik_RefreshConn(tc);\n");
1797     f_print(fout, "\t\t\t\t}\n");
1798     f_print(fout, "\t\t\t\tif (!tc)\n");
1799     f_print(fout, "\t\t\t\t\tbreak;\n");
1800     f_print(fout, "\t\t\t\tcode = VOTE_GetSyncSite(tc, &newHost);\n");
1801     f_print(fout, "\t\t\t\tif (aclient->initializationState != origLevel)\n");
1802     f_print(fout, "\t\t\t\t\tgoto restart;   /* somebody did a ubik_ClientInit */\n");
1803     f_print(fout, "\t\t\t\tif (code)\n");
1804     f_print(fout, "\t\t\t\t\tnewHost = 0;\n");
1805     f_print(fout, "\t\t\t\tnewHost = htonl(newHost);   /* convert to network order */\n");
1806     f_print(fout, "\t\t\t} else {\n");
1807     f_print(fout, "\t\t\t\tnewHost = 0;\n");
1808     f_print(fout, "\t\t\t}\n");
1809     f_print(fout, "\t\t\tif (newHost) {\n");
1810     f_print(fout, "\t\t\t\t/* position count at the appropriate slot in the client\n");
1811     f_print(fout, "\t\t\t\t* structure and retry. If we can't find in slot, we'll\n");
1812     f_print(fout, "\t\t\t\t* just continue through the whole list \n");
1813     f_print(fout, "\t\t\t\t*/\n");
1814     f_print(fout, "\t\t\t\tfor (i = 0; i < MAXSERVERS && aclient->conns[i]; i++) {\n");
1815     f_print(fout, "\t\t\t\t\trxp = rx_PeerOf(aclient->conns[i]);\n");
1816     f_print(fout, "\t\t\t\t\tthisHost = rx_HostOf(rxp);\n");
1817     f_print(fout, "\t\t\t\t\tif (!thisHost)\n");
1818     f_print(fout, "\t\t\t\t\t\tbreak;\n");
1819     f_print(fout, "\t\t\t\t\tif (thisHost == newHost) {\n");
1820     f_print(fout, "\t\t\t\t\t\tif (chaseCount++ > 2)\n");
1821     f_print(fout, "\t\t\t\t\t\t\tbreak;  /* avoid loop asking */\n");
1822     f_print(fout, "\t\t\t\t\t\t_ucount = i;  /* this index is the sync site */\n");
1823     f_print(fout, "\t\t\t\t\t\tbreak;\n");
1824     f_print(fout, "\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n");
1825     f_print(fout, "\t\t/*needsync */\n");
1826     f_print(fout, "\t\ttc = aclient->conns[_ucount];\n");
1827     f_print(fout, "\t\tif (tc && rx_ConnError(tc)) {\n");
1828     f_print(fout, "\t\t\taclient->conns[_ucount] = tc = ubik_RefreshConn(tc);\n");
1829     f_print(fout, "\t\t}\n");
1830     f_print(fout, "\t\tif (!tc)\n");
1831     f_print(fout, "\t\t\tbreak;\n\n");
1832     f_print(fout, "\t\tif ((pass == 0) && (aclient->states[_ucount] & CFLastFailed)) {\n");
1833     f_print(fout, "\t\t\tcontinue;       /* this guy's down */\n");
1834     f_print(fout, "\t\t}\n");
1835
1836     f_print(fout, "\t\trcode = %s%s%s(tc\n", prefix, PackagePrefix[PackageIndex], defp->pc.proc_name);
1837     for (plist = defp->pc.plists; plist; plist = plist->next) {
1838         if (plist->component_kind == DEF_PARAM) {
1839             plist->pl.param_flag &= ~PROCESSED_PARAM;
1840             f_print(fout, ", %s", plist->pl.param_name);
1841         }
1842     }
1843     f_print(fout, ");\n");
1844     f_print(fout, "\t\tif (aclient->initializationState != origLevel) {\n");
1845     f_print(fout, "\t\t\t/* somebody did a ubik_ClientInit */\n");
1846     f_print(fout, "\t\t\tif (rcode)\n");
1847     f_print(fout, "\t\t\t\tgoto restart;       /* call failed */\n");
1848     f_print(fout, "\t\t\telse\n");
1849     f_print(fout, "\t\t\t\tgoto done;  /* call suceeded */\n");
1850     f_print(fout, "\t\t}\n");
1851     f_print(fout, "\t\tif (rcode < 0) {    /* network errors */\n");
1852     f_print(fout, "\t\t\taclient->states[_ucount] |= CFLastFailed; /* Mark server down */\n");
1853     f_print(fout, "\t\t} else if (rcode == UNOTSYNC) {\n");
1854     f_print(fout, "\t\t\tneedsync = 1;\n");
1855     f_print(fout, "\t\t} else if (rcode != UNOQUORUM) {\n");
1856     f_print(fout, "\t\t\t/* either misc ubik code, or misc appl code, or success. */\n");
1857     f_print(fout, "\t\t\taclient->states[_ucount] &= ~CFLastFailed;        /* mark server up*/\n");
1858     f_print(fout, "\t\t\tgoto done;      /* all done */\n");
1859     f_print(fout, "\t\t}\n");
1860     f_print(fout, "\t\t}                       /*s */\n");
1861     f_print(fout, "\t}                           /*p */\n\n");
1862     f_print(fout, "\tdone:\n");
1863     f_print(fout, "\tif (needsync) {\n");
1864
1865     f_print(fout, "\t\tif (!rcode) {           /* Remember the sync site - cmd successful */\n");
1866     f_print(fout, "\t\t\trxp = rx_PeerOf(aclient->conns[_ucount]);\n");
1867     f_print(fout, "\t\t\taclient->syncSite = rx_HostOf(rxp);\n");
1868     f_print(fout, "\t\t}\n");
1869     f_print(fout, "\t}\n");
1870     f_print(fout, "\tUNLOCK_UBIK_CLIENT(aclient);\n");
1871     f_print(fout, "\treturn rcode;\n}\n\n");
1872 }
1873
1874
1875 static int
1876 opcode_holes_exist(void)
1877 {
1878     int i;
1879
1880     for (i = lowest_opcode[PackageIndex]; i < highest_opcode[PackageIndex];
1881          i++) {
1882         if (!opcodenum_is_defined(i))
1883             return 1;
1884     }
1885     return 0;
1886 }
1887
1888
1889 void
1890 er_Proc_CodeGeneration(void)
1891 {
1892     int temp;
1893
1894     temp = PackageIndex;
1895     if (!combinepackages)
1896         PackageIndex = 0;
1897     for (; PackageIndex <= temp; PackageIndex++) {
1898         if (proc_defined[PackageIndex] == NULL)
1899             continue;
1900         if (combinepackages || opcode_holes_exist()) {
1901             er_HeadofOldStyleProc_setup();
1902             er_BodyofOldStyleProc_setup();
1903             er_TailofOldStyleProc_setup();
1904             er_HeadofOldStyleProc_setup2();
1905             er_BodyofOldStyleProc_setup2();
1906             er_TailofOldStyleProc_setup2();
1907         } else {
1908             er_ProcDeclExterns_setup();
1909             er_ProcProcsArray_setup();
1910             er_ProcMainBody_setup();
1911         }
1912     }
1913     PackageIndex = temp;
1914 }
1915
1916
1917 static void
1918 er_ProcDeclExterns_setup(void)
1919 {
1920     list *listp;
1921     definition *defp;
1922
1923     if ( !Sflag )
1924         return;
1925
1926     f_print(fout, "\n");
1927     for (listp = proc_defined[PackageIndex]; listp != NULL;
1928          listp = listp->next) {
1929         defp = (definition *) listp->val;
1930         if (defp->pc.proc_serverstub) {
1931             f_print(fout, "afs_int32 %s();\n", defp->pc.proc_serverstub);
1932         }
1933     }
1934 }
1935
1936
1937 static void
1938 er_ProcProcsArray_setup(void)
1939 {
1940     list *listp;
1941     definition *defp;
1942
1943     if ((listp = proc_defined[PackageIndex])) {
1944         defp = (definition *) listp->val;
1945         if ( cflag )  {
1946             f_print(fout, "\nstatic char *opnames%d[] = {\"%s%s\"",
1947                         PackageIndex, defp->pc.proc_prefix, defp->pc.proc_name);
1948         }
1949         else {
1950             if (defp->pc.proc_serverstub) {
1951                 f_print(fout, "\nstatic afs_int32 (*StubProcsArray%d[])() = {%s",
1952                         PackageIndex, defp->pc.proc_serverstub);
1953             } else {
1954                 f_print(fout,
1955                         "\nstatic afs_int32 (*StubProcsArray%d[])(struct rx_call *z_call, XDR *z_xdrs) = {_%s%s%s",
1956                         PackageIndex, prefix, defp->pc.proc_prefix,
1957                         ((definition *) listp->val)->pc.proc_name);
1958             }
1959         }
1960         listp = listp->next;
1961     }
1962     for (; listp != NULL; listp = listp->next) {
1963         defp = (definition *) listp->val;
1964         if ( cflag ) {
1965             f_print(fout, ", \"%s%s\"",defp->pc.proc_prefix,defp->pc.proc_name);
1966         }
1967         else {
1968             if (defp->pc.proc_serverstub) {
1969                 f_print(fout, ",%s", defp->pc.proc_serverstub);
1970             } else {
1971                 f_print(fout, ", _%s%s%s", prefix, defp->pc.proc_prefix,
1972                         defp->pc.proc_name);
1973             }
1974         }
1975     }
1976     f_print(fout, "};\n\n");
1977 }
1978
1979
1980 static void
1981 er_ProcMainBody_setup(void)
1982 {
1983     if ( cflag ) {
1984         f_print(fout, "char *%sTranslateOpCode(int op)\n{\n",
1985                 PackagePrefix[PackageIndex]);
1986         f_print(fout, "\tif (op < %sLOWEST_OPCODE || op > %sHIGHEST_OPCODE)\n\t\treturn NULL;\n",
1987                 PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
1988         f_print(fout, "\treturn opnames%d[op - %sLOWEST_OPCODE];\n}\n",
1989                 PackageIndex, PackagePrefix[PackageIndex]);
1990         f_print(fout, "struct %sstats *%sOpCodeStats(int op)\n{\n",
1991                 PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
1992         f_print(fout, "\tif (op < %sLOWEST_OPCODE || op > %sHIGHEST_OPCODE)\n\t\treturn NULL;\n",
1993                 PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
1994         f_print(fout, "\treturn NULL;/*%d %s*/\n}\n",
1995                 PackageIndex, PackagePrefix[PackageIndex]);
1996
1997         return;
1998     }
1999     f_print(fout, "int %s%sExecuteRequest(struct rx_call *z_call)\n",
2000             prefix, PackagePrefix[PackageIndex]);
2001     f_print(fout, "{\n\tint op;\n");
2002     f_print(fout, "\tXDR z_xdrs;\n");
2003     f_print(fout, "\t" "afs_int32 z_result;\n\n");
2004     f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_DECODE);\n");
2005     f_print(fout,
2006             "\tif (!xdr_int(&z_xdrs, &op))\n\t\tz_result = RXGEN_DECODE;\n");
2007     f_print(fout,
2008             "\telse if (op < %sLOWEST_OPCODE || op > %sHIGHEST_OPCODE)\n\t\tz_result = RXGEN_OPCODE;\n",
2009             PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
2010     f_print(fout,
2011             "\telse\n\t\tz_result = (*StubProcsArray%d[op - %sLOWEST_OPCODE])(z_call, &z_xdrs);\n",
2012             PackageIndex, PackagePrefix[PackageIndex]);
2013     f_print(fout, "\treturn hton_syserr_conv(z_result);\n}\n");
2014 }
2015
2016 static void
2017 er_HeadofOldStyleProc_setup2(void)
2018 {
2019     if ( cflag ) {
2020         f_print(fout, "int %sOpCodeIndex(int op)\n{\n", (combinepackages ? MasterPrefix : PackagePrefix[PackageIndex]));
2021         f_print(fout, "\tswitch (op) {\n");
2022     }
2023 }
2024
2025 static void
2026 er_HeadofOldStyleProc_setup(void)
2027 {
2028     if ( cflag ) {
2029         f_print(fout, "char *%sTranslateOpCode(int op)\n{\n",
2030             (combinepackages ? MasterPrefix : PackagePrefix[PackageIndex]));
2031     }
2032     else {
2033         f_print(fout,
2034                 "\nint %s%sExecuteRequest (struct rx_call *z_call)\n",
2035                 prefix,
2036                 (combinepackages ? MasterPrefix : PackagePrefix[PackageIndex]));
2037         f_print(fout, "{\n");
2038         f_print(fout, "\tint op;\n");
2039         f_print(fout, "\tXDR z_xdrs;\n");
2040         f_print(fout, "\t" "afs_int32 z_result;\n\n");
2041         f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_DECODE);\n");
2042         f_print(fout, "\tz_result = RXGEN_DECODE;\n");
2043         f_print(fout, "\tif (!xdr_int(&z_xdrs, &op)) goto fail;\n");
2044     }
2045     f_print(fout, "\tswitch (op) {\n");
2046 }
2047
2048 static void
2049 er_BodyofOldStyleProc_setup(void)
2050 {
2051     list *listp;
2052
2053     if (combinepackages) {
2054         int temp = PackageIndex;
2055         for (PackageIndex = 0; PackageIndex <= temp; PackageIndex++) {
2056             for (listp = proc_defined[PackageIndex]; listp != NULL;
2057                  listp = listp->next)
2058                 proc_er_case((definition *) listp->val);
2059         }
2060         PackageIndex = temp;
2061     } else {
2062         for (listp = proc_defined[PackageIndex]; listp != NULL;
2063              listp = listp->next)
2064             proc_er_case((definition *) listp->val);
2065     }
2066 }
2067
2068
2069 static void
2070 proc_er_case(definition * defp)
2071 {
2072     if ( cflag ) {
2073         f_print(fout, "\t\tcase %d:", defp->pc.proc_opcodenum);
2074         f_print(fout, "\treturn \"%s%s\";\n",
2075                 defp->pc.proc_prefix, defp->pc.proc_name);
2076         return;
2077     }
2078     if (opcodesnotallowed[PackageIndex]) {
2079         f_print(fout, "\t\tcase %d:\n", defp->pc.proc_opcodenum);
2080     } else {
2081         f_print(fout, "\t\tcase %s:\n", defp->pc.proc_opcodename);
2082     }
2083     if (defp->pc.proc_serverstub) {
2084         f_print(fout, "\t\t\tz_result = %s(z_call, &z_xdrs);\n",
2085                 defp->pc.proc_serverstub);
2086     } else {
2087         f_print(fout, "\t\t\tz_result = _%s%s%s(z_call, &z_xdrs);\n", prefix,
2088                 defp->pc.proc_prefix, defp->pc.proc_name);
2089     }
2090     f_print(fout, "\t\t\tbreak;\n");
2091 }
2092
2093 static void
2094 proc_op_case(definition * defp)
2095 {
2096     f_print(fout, "\t\tcase %d:", defp->pc.proc_opcodenum);
2097     f_print(fout, "\treturn %d;\n",
2098             defp->statindex);
2099 }
2100
2101 static void
2102 er_BodyofOldStyleProc_setup2(void)
2103 {
2104     list *listp;
2105
2106     if (!cflag)
2107         return;
2108     if (combinepackages) {
2109         int temp = PackageIndex;
2110         for (PackageIndex = 0; PackageIndex <= temp; PackageIndex++) {
2111             for (listp = proc_defined[PackageIndex]; listp != NULL;
2112                  listp = listp->next)
2113                 proc_op_case((definition *) listp->val);
2114         }
2115         PackageIndex = temp;
2116     } else {
2117         for (listp = proc_defined[PackageIndex]; listp != NULL;
2118              listp = listp->next)
2119             proc_op_case((definition *) listp->val);
2120     }
2121 }
2122
2123 static void
2124 er_TailofOldStyleProc_setup2(void)
2125 {
2126     if ( cflag ) {
2127         f_print(fout, "\t\tdefault:\n");
2128         f_print(fout, "\t\t\treturn -1;\n\t}\n}\n");
2129     }
2130 }
2131
2132 static void
2133 er_TailofOldStyleProc_setup(void)
2134 {
2135     f_print(fout, "\t\tdefault:\n");
2136     if ( cflag ) {
2137         f_print(fout, "\t\t\treturn NULL;\n\t}\n}\n");
2138         return;
2139     }
2140     f_print(fout, "\t\t\tz_result = RXGEN_OPCODE;\n");
2141     f_print(fout, "\t\t\tbreak;\n\t}\n");
2142     f_print(fout, "fail:\n");
2143     f_print(fout, "\treturn z_result;\n}\n");
2144 }
2145
2146 static void
2147 h_ProcMainBody_setup(void)
2148 {
2149     f_print(fout,"\nextern int %s%sExecuteRequest(struct rx_call *);\n",
2150             prefix, PackagePrefix[PackageIndex]);
2151 }
2152
2153 static void
2154 h_HeadofOldStyleProc_setup(void)
2155 {
2156     char *pprefix = (combinepackages ? MasterPrefix :
2157                      PackagePrefix[PackageIndex]);
2158     f_print(fout,"\nstruct %sstats{\n\tint statsver;\n};", pprefix);
2159     f_print(fout,"\nextern int %s%sExecuteRequest(struct rx_call *);\n",
2160             prefix, pprefix);
2161     f_print(fout,"\nextern int %sOpCodeIndex(int op);\n", PackagePrefix[PackageIndex]);
2162 }
2163
2164 void
2165 h_Proc_CodeGeneration(void)
2166 {
2167     int temp;
2168
2169     temp = PackageIndex;
2170     if (!combinepackages)
2171         PackageIndex = 0;
2172     for (; PackageIndex <= temp; PackageIndex++) {
2173         if (combinepackages || opcode_holes_exist()) {
2174             h_HeadofOldStyleProc_setup();
2175         } else {
2176             h_ProcMainBody_setup();
2177         }
2178     }
2179     PackageIndex = temp;
2180 }
2181
2182 static void
2183 proc_h_case(definition * defp)
2184 {
2185     f_print(fout, "#define opcode_%s%s \t((afs_uint64)((%uLL << 32) + %sOpCodeIndex(%u)))\n",
2186             defp->pc.proc_prefix, defp->pc.proc_name, StatIndex,
2187             defp->pc.proc_prefix, defp->pc.proc_opcodenum);
2188 }
2189
2190 void
2191 h_opcode_stats_pkg(char *pprefix, int lowest, int highest, int nops,
2192                   int statfuncs, char *ptype, list *proclist)
2193 {
2194     list *listp;
2195
2196     if (!pprefix)
2197         return;
2198
2199     f_print(fout,
2200             "\n/* Opcode-related useful stats for %spackage: %s */\n",
2201             ptype, pprefix);
2202     f_print(fout, "#define %sLOWEST_OPCODE   %d\n", pprefix, lowest);
2203     f_print(fout, "#define %sHIGHEST_OPCODE     %d\n", pprefix, highest);
2204     f_print(fout, "#define %sNUMBER_OPCODES     %d\n\n", pprefix, nops);
2205
2206     for (listp = proclist; listp != NULL;
2207          listp = listp->next)
2208         proc_h_case((definition *) listp->val);
2209
2210     if (xflag) {
2211         f_print(fout, "#define %sNO_OF_STAT_FUNCS\t%d\n\n",
2212                 pprefix, statfuncs);
2213         f_print(fout, "AFS_RXGEN_EXPORT\n");
2214         f_print(fout, "extern const char *%sfunction_names[];\n\n",
2215                 pprefix);
2216     }
2217 }
2218
2219 void
2220 h_opcode_stats(void)
2221 {
2222     if (combinepackages) {
2223         h_opcode_stats_pkg(MasterPrefix, master_lowest_opcode, master_highest_opcode, master_no_of_opcodes, no_of_stat_funcs_header[0], "Master ", proc_defined[0]);
2224     } else {
2225         int i;
2226         for (i = 0; i <= PackageIndex; i++) {
2227             h_opcode_stats_pkg(PackagePrefix[i], lowest_opcode[i], highest_opcode[i], no_of_opcodes[i], no_of_stat_funcs_header[i], "", proc_defined[i]);
2228         }
2229     }
2230 }
2231
2232
2233 void
2234 generate_multi_macros(definition * defp)
2235 {
2236     char *startname = SplitStart, *endname = SplitEnd;
2237     proc1_list *plist;
2238     int numofparams;
2239     int first = 0;
2240
2241     if (!hflag)
2242         return;
2243     if (!Multi_Init) {
2244         Multi_Init = 1;
2245         f_print(fout, "\n#include <rx/rx_multi.h>");
2246     }
2247     f_print(fout, "\n#define multi_%s%s(", PackagePrefix[PackageIndex],
2248             defp->pc.proc_name);
2249     for (plist = defp->pc.plists; plist; plist = plist->next) {
2250         if (plist->component_kind == DEF_PARAM) {
2251             if (!first) {
2252                 first = 1;
2253                 f_print(fout, "%s", plist->pl.param_name);
2254             } else {
2255                 f_print(fout, ", %s", plist->pl.param_name);
2256             }
2257         }
2258     }
2259     f_print(fout, ") \\\n");
2260     if (!startname)
2261         startname = "Start";
2262     if (!endname)
2263         endname = "End";
2264     f_print(fout, "\tmulti_Body(%s%s%s(multi_call", startname,
2265             PackagePrefix[PackageIndex], defp->pc.proc_name);
2266     do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 0);
2267     for (plist = defp->pc.plists; plist; plist = plist->next) {
2268         if (plist->component_kind == DEF_PARAM)
2269             f_print(fout, ", %s", plist->pl.param_name);
2270     }
2271     do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 1);
2272     f_print(fout, "), %s%s%s(multi_call", endname,
2273             PackagePrefix[PackageIndex], defp->pc.proc_name);
2274     do_split(defp, IN, &numofparams, DEF_INPARAM, 0);
2275     for (plist = defp->pc.plists; plist; plist = plist->next) {
2276         if (plist->component_kind == DEF_PARAM) {
2277             f_print(fout, ", %s", plist->pl.param_name);
2278         }
2279     }
2280     do_split(defp, IN, &numofparams, DEF_INPARAM, 1);
2281     f_print(fout, "))\n\n");
2282 }
2283
2284
2285 int
2286 IsRxgenToken(token * tokp)
2287 {
2288     if (tokp->kind == TOK_PACKAGE || tokp->kind == TOK_PREFIX
2289         || tokp->kind == TOK_SPECIAL || tokp->kind == TOK_STARTINGOPCODE
2290         || tokp->kind == TOK_SPLITPREFIX || tokp->kind == TOK_PROC
2291         || tokp->kind == TOK_STATINDEX)
2292         return 1;
2293     return 0;
2294 }
2295
2296 int
2297 IsRxgenDefinition(definition * def)
2298 {
2299     if (def->def_kind == DEF_PACKAGE || def->def_kind == DEF_PREFIX
2300         || def->def_kind == DEF_SPECIAL || def->def_kind == DEF_STARTINGOPCODE
2301         || def->def_kind == DEF_SPLITPREFIX || def->def_kind == DEF_PROC)
2302         return 1;
2303     return 0;
2304 }