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     extern char zflag;
1305
1306     if (zflag)
1307         defp->can_fail = 0;
1308     else
1309         defp->can_fail = 1;
1310     ss_ProcName_setup(defp);
1311     if (!cflag) {
1312         ss_ProcParams_setup(defp);
1313         ss_ProcSpecial_setup(defp);
1314         ss_ProcUnmarshallInParams_setup(defp);
1315         ss_ProcCallRealProc_setup(defp);
1316         ss_ProcMarshallOutParams_setup(defp);
1317         ss_ProcTail_setup(defp);
1318     }
1319 }
1320
1321
1322 static void
1323 ss_ProcName_setup(definition * defp)
1324 {
1325     proc1_list *plist;
1326
1327     if ((strlen(prefix) + strlen(PackagePrefix[PackageIndex]) +
1328          strlen(defp->pc.proc_name)) >= MAX_FUNCTION_NAME_LEN) {
1329         error("function name is too long, increase MAX_FUNCTION_NAME_LEN");
1330     }
1331
1332     if (!cflag) {
1333         f_print(fout, "static afs_int32 _%s%s%s(", prefix,
1334                 PackagePrefix[PackageIndex], defp->pc.proc_name);
1335         f_print(fout, "struct rx_call *z_call, XDR *z_xdrs)\n{\n");
1336         f_print(fout, "\t" "afs_int32 z_result;\n");
1337
1338         for (plist = defp->pc.plists; plist; plist = plist->next)
1339             if (plist->component_kind == DEF_PARAM) {
1340                 plist->pl.param_flag &= ~(PROCESSED_PARAM);
1341                 plist->pl.string_name = NULL;
1342             }
1343     }
1344 }
1345
1346
1347 static void
1348 ss_ProcParams_setup(definition * defp)
1349 {
1350     proc1_list *plist, *plist1;
1351     list *listp;
1352     definition *defp1;
1353
1354     for (plist = defp->pc.plists; plist; plist = plist->next) {
1355         if ((plist->component_kind == DEF_PARAM)
1356             && !(plist->pl.param_flag & PROCESSED_PARAM)) {
1357             if (plist->pl.param_flag & INDIRECT_PARAM) {
1358                 char pres = '\0', *pntr = strchr(plist->pl.param_type, '*');
1359                 if (pntr) {
1360                     --pntr;
1361                     pres = *pntr;
1362                     *pntr = (char)0;
1363                 }
1364                 f_print(fout, "\t%s %s", plist->pl.param_type,
1365                         plist->pl.param_name);
1366                 if (pntr)
1367                     *pntr = pres;
1368             } else if (strchr(plist->pl.param_type, '*') == 0) {
1369                 f_print(fout, "\t%s %s", plist->pl.param_type,
1370                         plist->pl.param_name);
1371             } else {
1372                 plist->pl.param_flag |= FREETHIS_PARAM;
1373                 f_print(fout, "\t%s %s=(%s)0", plist->pl.param_type,
1374                         plist->pl.param_name, plist->pl.param_type);
1375             }
1376             plist->pl.param_flag |= PROCESSED_PARAM;
1377             for (plist1 = defp->pc.plists; plist1; plist1 = plist1->next) {
1378                 if ((plist1->component_kind == DEF_PARAM)
1379                     && streq(plist->pl.param_type, plist1->pl.param_type)
1380                     && !(plist1->pl.param_flag & PROCESSED_PARAM)) {
1381                     if (plist1->pl.param_flag & INDIRECT_PARAM) {
1382                         f_print(fout, ", %s", plist1->pl.param_name);
1383                     } else if (strchr(plist1->pl.param_type, '*') == 0) {
1384                         f_print(fout, ", %s", plist1->pl.param_name);
1385                     } else {
1386                         plist1->pl.param_flag |= FREETHIS_PARAM;
1387                         f_print(fout, ", *%s=(%s)0", plist1->pl.param_name,
1388                                 plist1->pl.param_type);
1389                     }
1390                     plist1->pl.param_flag |= PROCESSED_PARAM;
1391                 }
1392             }
1393             f_print(fout, ";\n");
1394         }
1395     }
1396     for (listp = typedef_defined; listp != NULL; listp = listp->next) {
1397         defp1 = (definition *) listp->val;
1398         for (plist = defp->pc.plists; plist; plist = plist->next) {
1399             if (plist->component_kind == DEF_PARAM
1400                 && (plist->pl.param_kind == DEF_OUTPARAM
1401                     || plist->pl.param_kind == DEF_INOUTPARAM)
1402                 && !(plist->pl.param_flag & FREETHIS_PARAM)) {
1403                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1404                     switch (defp1->pc.rel) {
1405                     case REL_ARRAY:
1406                     case REL_POINTER:
1407                     default:
1408                         break;
1409                     }
1410                 }
1411             }
1412         }
1413     }
1414     fprintf(fout, "\n");
1415 }
1416
1417
1418 static void
1419 ss_ProcSpecial_setup(definition * defp)
1420 {
1421     proc1_list *plist;
1422     definition *defp1;
1423     list *listp;
1424
1425     for (listp = special_defined; listp != NULL; listp = listp->next) {
1426         defp1 = (definition *) listp->val;
1427
1428         for (plist = defp->pc.plists; plist; plist = plist->next) {
1429             if (plist->component_kind == DEF_PARAM
1430                 && (plist->pl.param_kind == DEF_INPARAM
1431                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1432                 spec_list *spec = defp1->def.sd.specs;
1433                 char string[40];
1434                 strcpy(string, structname(spec->sdef.string_value));
1435                 if (streq(string, structname(plist->pl.param_type))) {
1436                     plist->pl.string_name = spec->sdef.string_name;
1437                     plist->pl.param_flag |= FREETHIS_PARAM;
1438                 }
1439             }
1440         }
1441     }
1442     for (listp = typedef_defined; listp != NULL; listp = listp->next) {
1443         defp1 = (definition *) listp->val;
1444         for (plist = defp->pc.plists; plist; plist = plist->next) {
1445             if (plist->component_kind == DEF_PARAM) {
1446                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1447                     plist->pl.param_flag |= FREETHIS_PARAM;
1448                     switch (defp1->pc.rel) {
1449                     case REL_ARRAY:
1450                         plist->pl.string_name = alloc(40);
1451                         if (brief_flag) {
1452                             s_print(plist->pl.string_name, "val");
1453                         } else {
1454                             s_print(plist->pl.string_name, "%s_val",
1455                                     defp1->def_name);
1456                         }
1457                         break;
1458                     case REL_POINTER:
1459                         plist->pl.string_name = NULL;
1460                         break;
1461                     default:
1462                         break;
1463                     }
1464                 }
1465             }
1466         }
1467     }
1468     for (listp = complex_defined; listp != NULL; listp = listp->next) {
1469         defp1 = (definition *) listp->val;
1470         for (plist = defp->pc.plists; plist; plist = plist->next) {
1471             if (plist->component_kind == DEF_PARAM) {
1472                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1473                     plist->pl.param_flag |= FREETHIS_PARAM;
1474                 }
1475             }
1476         }
1477     }
1478
1479     for (plist = defp->pc.plists; plist; plist = plist->next) {
1480         if (plist->component_kind == DEF_PARAM) {
1481             fprintf(fout, "\n\tmemset(&%s, 0, sizeof(%s));",
1482                     plist->pl.param_name,
1483                     plist->pl.param_name);
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     } else {
1550         f_print(fout, "\tif (z_result)\n\t\tgoto fail;\n");
1551     }
1552 }
1553
1554
1555 static void
1556 ss_ProcMarshallOutParams_setup(definition * defp)
1557 {
1558     proc1_list *plist;
1559     int noofparams, i;
1560
1561     noofparams = defp->pc.paramtypes[INOUT] + defp->pc.paramtypes[OUT];
1562     if (noofparams)
1563         f_print(fout, "\tz_xdrs->x_op = XDR_ENCODE;\n");
1564     if (noofparams) {
1565         for (plist = defp->pc.plists, i = 0; plist; plist = plist->next) {
1566             if (plist->component_kind == DEF_PARAM
1567                 && (plist->pl.param_kind == DEF_OUTPARAM
1568                     || plist->pl.param_kind == DEF_INOUTPARAM)) {
1569                 if (!i) {
1570                     f_print(fout, "\tif ((!%s)",
1571                             (plist->scode ? plist->scode : plist->code));
1572                 } else {
1573                     f_print(fout, "\n\t     || (!%s)",
1574                             (plist->scode ? plist->scode : plist->code));
1575                 }
1576                 if (++i == noofparams) {
1577                     f_print(fout, ")\n\t\tz_result = RXGEN_SS_MARSHAL;\n");
1578                 }
1579             }
1580         }
1581     }
1582 }
1583
1584 static void
1585 ss_ProcTail_frees(char *xdrfunc, int *somefrees) {
1586     if (!*somefrees) {
1587         f_print(fout, "\tz_xdrs->x_op = XDR_FREE;\n");
1588         f_print(fout, "\tif ((!%s)", xdrfunc);
1589         *somefrees = 1;
1590     } else {
1591         f_print(fout, "\n\t    || (!%s)", xdrfunc);
1592     }
1593 }
1594
1595
1596 static void
1597 ss_ProcTail_setup(definition * defp)
1598 {
1599     proc1_list *plist;
1600     definition *defp1;
1601     list *listp;
1602     int somefrees = 0;
1603
1604     if (defp->can_fail) {
1605         f_print(fout, "fail:\n");
1606     }
1607
1608     for (plist = defp->pc.plists; plist; plist = plist->next) {
1609         if (plist->component_kind == DEF_PARAM
1610                 && (plist->pl.param_flag & FREETHIS_PARAM))
1611             ss_ProcTail_frees(plist->scode, &somefrees);
1612     }
1613
1614     for (listp = typedef_defined; listp != NULL; listp = listp->next) {
1615         defp1 = (definition *) listp->val;
1616         for (plist = defp->pc.plists; plist; plist = plist->next) {
1617             if (plist->component_kind == DEF_PARAM
1618                 && (plist->pl.param_kind == DEF_OUTPARAM
1619                     || plist->pl.param_kind == DEF_INOUTPARAM)
1620                 && !(plist->pl.param_flag & FREETHIS_PARAM)) {
1621                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1622                     switch (defp1->pc.rel) {
1623                     case REL_ARRAY:
1624                     case REL_POINTER:
1625                         ss_ProcTail_frees(plist->scode, &somefrees);
1626                         break;
1627                     default:
1628                         break;
1629                     }
1630                 }
1631             }
1632         }
1633     }
1634
1635     for (listp = uniondef_defined; listp != NULL; listp = listp->next) {
1636         defp1 = (definition *) listp->val;
1637         for (plist = defp->pc.plists; plist; plist = plist->next) {
1638             if (plist->component_kind == DEF_PARAM
1639                 && (plist->pl.param_kind == DEF_OUTPARAM
1640                     || plist->pl.param_kind == DEF_INOUTPARAM)
1641                 && !(plist->pl.param_flag & FREETHIS_PARAM)) {
1642                 if (streq(defp1->def_name, structname(plist->pl.param_type))) {
1643                     if (plist->pl.param_flag & INDIRECT_PARAM) {
1644                         ss_ProcTail_frees(plist->scode, &somefrees);
1645                     }
1646                 }
1647             }
1648         }
1649     }
1650
1651     if (somefrees) {
1652         f_print(fout, ")\n");
1653         f_print(fout, "\t\tz_result = RXGEN_SS_XDRFREE;\n\n");
1654     }
1655
1656     if (xflag) {
1657         f_print(fout, "\tif (rx_enable_stats) {\n");
1658         f_print(fout, "\t    rx_RecordCallStatistics(z_call,");
1659         if (PackageStatIndex[PackageIndex]) {
1660             f_print(fout, " %s,\n", PackageStatIndex[PackageIndex]);
1661         } else {
1662             f_print(fout,
1663                     "\n\t\t(((afs_uint32)(ntohs(rx_ServiceIdOf(rx_ConnectionOf(z_call))) << 16)) |\n"
1664                     "\t\t((afs_uint32)ntohs(rx_ServiceOf(rx_ConnectionOf(z_call))->servicePort))),\n");
1665         }
1666         f_print(fout, "\t\t%d, %sNO_OF_STAT_FUNCS, 0);\n",
1667                 no_of_stat_funcs, PackagePrefix[PackageIndex]);
1668         f_print(fout, "\t}\n\n");
1669     }
1670
1671     f_print(fout, "\treturn z_result;\n");
1672     f_print(fout, "}\n\n");
1673 }
1674
1675
1676 static void
1677 ucs_ProcName_setup(definition * defp, char *procheader, int split_flag)
1678 {
1679     proc1_list *plist;
1680
1681     if (!cflag) {
1682         if (ansic_flag) {
1683             f_print(fout, "int %s%s%s%s(struct ubik_client *aclient, afs_int32 aflags",
1684                           procheader, prefix, PackagePrefix[PackageIndex],
1685                           defp->pc.proc_name);
1686         } else {
1687             f_print(fout, "int %s%s%s%s(aclient, aflags", procheader, prefix,
1688                           PackagePrefix[PackageIndex], defp->pc.proc_name);
1689         }
1690     }
1691     if ((strlen(procheader) + strlen(prefix) +
1692          strlen(PackagePrefix[PackageIndex]) + strlen(defp->pc.proc_name)) >=
1693         MAX_FUNCTION_NAME_LEN) {
1694         error("function name is too long, increase MAX_FUNCTION_NAME_LEN");
1695     }
1696     if (!cflag) {
1697         for (plist = defp->pc.plists; plist; plist = plist->next) {
1698             if (plist->component_kind == DEF_PARAM) {
1699                 f_print(fout, ",");
1700                 if (ansic_flag) {
1701                     if (plist->pl.param_kind == DEF_INPARAM &&
1702                         strcmp(plist->pl.param_type, "char *") == 0) {
1703                         f_print(fout, "const ");
1704                     }
1705                     if (plist->pl.param_flag & OUT_STRING) {
1706                         f_print(fout, "%s *%s", plist->pl.param_type,
1707                                 plist->pl.param_name);
1708                     } else {
1709                         f_print(fout, "%s %s", plist->pl.param_type,
1710                                 plist->pl.param_name);
1711                     }
1712                 } else {
1713                     plist->pl.param_flag &= ~PROCESSED_PARAM;
1714                     f_print(fout, " %s", plist->pl.param_name);
1715                 }
1716             }
1717         }
1718         f_print(fout, ")\n");
1719     }
1720 }
1721
1722
1723 static void
1724 ucs_ProcParams_setup(definition * defp, int split_flag)
1725 {
1726     proc1_list *plist, *plist1;
1727
1728     if (ansic_flag)
1729         return;
1730
1731     f_print(fout, "\tstruct ubik_client *aclient;\n\tafs_int32 aflags;\n");
1732     for (plist = defp->pc.plists; plist; plist = plist->next) {
1733         if (plist->component_kind == DEF_PARAM
1734             && !(plist->pl.param_flag & PROCESSED_PARAM)) {
1735             if (plist->pl.param_flag & OUT_STRING) {
1736                 f_print(fout, "\t%s *%s", plist->pl.param_type,
1737                         plist->pl.param_name);
1738             } else {
1739                 f_print(fout, "\t%s %s", plist->pl.param_type,
1740                         plist->pl.param_name);
1741             }
1742             plist->pl.param_flag |= PROCESSED_PARAM;
1743             for (plist1 = defp->pc.plists; plist1; plist1 = plist1->next) {
1744                 if ((plist1->component_kind == DEF_PARAM)
1745                     && streq(plist->pl.param_type, plist1->pl.param_type)
1746                     && !(plist1->pl.param_flag & PROCESSED_PARAM)) {
1747                     char *star = "";
1748                     char *pntr = strchr(plist1->pl.param_type, '*');
1749                     if (pntr)
1750                         star = "*";
1751                     if (plist1->pl.param_flag & OUT_STRING) {
1752                         f_print(fout, ", *%s%s", star, plist1->pl.param_name);
1753                     } else {
1754                         f_print(fout, ", %s%s", star, plist1->pl.param_name);
1755                     }
1756                     plist1->pl.param_flag |= PROCESSED_PARAM;
1757                 }
1758             }
1759             f_print(fout, ";\n");
1760         }
1761     }
1762 }
1763
1764 static void
1765 ucs_ProcTail_setup(definition * defp, int split_flag)
1766 {
1767     proc1_list *plist;
1768
1769     f_print(fout, "{\tafs_int32 rcode, code, newHost, thisHost, i, _ucount;\n");
1770     f_print(fout, "\tint chaseCount, pass, needsync;\n");
1771 #if 0 /* goes with block below */
1772     f_print(fout, "\tint j, inlist;\n");
1773 #endif
1774     f_print(fout, "\tstruct rx_connection *tc;\n");
1775     f_print(fout, "\tstruct rx_peer *rxp;\n");
1776     f_print(fout, "\tshort origLevel;\n\n");
1777     f_print(fout, "\tif (!aclient)\n");
1778     f_print(fout, "\t\treturn UNOENT;\n");
1779     f_print(fout, "\tLOCK_UBIK_CLIENT(aclient);\n\n");
1780     f_print(fout, "\t restart:\n");
1781     f_print(fout, "\torigLevel = aclient->initializationState;\n");
1782     f_print(fout, "\trcode = UNOSERVERS;\n");
1783     f_print(fout, "\tchaseCount = needsync = 0;\n\n");
1784 #if 0 /* We should do some sort of caching algorithm for this, but I need to think about it - shadow 26 jun 06 */
1785     f_print(fout, "\tinlist = 0;\n");
1786     f_print(fout, "\tLOCK_UCLNT_CACHE;\n");
1787     f_print(fout, "\tfor (j = 0; ((j < SYNCCOUNT) && calls_needsync[j]); j++) {\n");
1788     f_print(fout, "\t\tif (calls_needsync[j] == (int *)%s%s%s) {\n", prefix, PackagePrefix[PackageIndex], defp->pc.proc_name);
1789     f_print(fout, "\t\t\tinlist = needsync = 1;\n");
1790     f_print(fout, "\t\t\tbreak;\n");
1791     f_print(fout, "\t\t}\n");
1792     f_print(fout, "\t}\n");
1793     f_print(fout, "\tUNLOCK_UCLNT_CACHE;\n");
1794 #endif
1795     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");
1796     f_print(fout, "\tfor (pass = 0; pass < 2; pass++) {  /*p */\n");
1797     f_print(fout, "\t\t/* For each entry in our servers list */\n");
1798     f_print(fout, "\t\tfor (_ucount = 0;; _ucount++) {     /*s */\n\n");
1799     f_print(fout, "\t\tif (needsync) {\n");
1800     f_print(fout, "\t\t\t/* Need a sync site. Lets try to quickly find it */\n");
1801     f_print(fout, "\t\t\tif (aclient->syncSite) {\n");
1802     f_print(fout, "\t\t\t\tnewHost = aclient->syncSite;        /* already in network order */\n");
1803     f_print(fout, "\t\t\t\taclient->syncSite = 0;      /* Will reset if it works */\n");
1804     f_print(fout, "\t\t\t} else if (aclient->conns[3]) {\n");
1805     f_print(fout, "\t\t\t\t/* If there are fewer than four db servers in a cell,\n");
1806     f_print(fout, "\t\t\t\t* there's no point in making the GetSyncSite call.\n");
1807     f_print(fout, "\t\t\t\t* At best, it's a wash. At worst, it results in more\n");
1808     f_print(fout, "\t\t\t\t* RPCs than you would otherwise make.\n");
1809     f_print(fout, "\t\t\t\t*/\n");
1810     f_print(fout, "\t\t\t\ttc = aclient->conns[_ucount];\n");
1811     f_print(fout, "\t\t\t\tif (tc && rx_ConnError(tc)) {\n");
1812     f_print(fout, "\t\t\t\t\taclient->conns[_ucount] = tc = ubik_RefreshConn(tc);\n");
1813     f_print(fout, "\t\t\t\t}\n");
1814     f_print(fout, "\t\t\t\tif (!tc)\n");
1815     f_print(fout, "\t\t\t\t\tbreak;\n");
1816     f_print(fout, "\t\t\t\tcode = VOTE_GetSyncSite(tc, &newHost);\n");
1817     f_print(fout, "\t\t\t\tif (aclient->initializationState != origLevel)\n");
1818     f_print(fout, "\t\t\t\t\tgoto restart;   /* somebody did a ubik_ClientInit */\n");
1819     f_print(fout, "\t\t\t\tif (code)\n");
1820     f_print(fout, "\t\t\t\t\tnewHost = 0;\n");
1821     f_print(fout, "\t\t\t\tnewHost = htonl(newHost);   /* convert to network order */\n");
1822     f_print(fout, "\t\t\t} else {\n");
1823     f_print(fout, "\t\t\t\tnewHost = 0;\n");
1824     f_print(fout, "\t\t\t}\n");
1825     f_print(fout, "\t\t\tif (newHost) {\n");
1826     f_print(fout, "\t\t\t\t/* position count at the appropriate slot in the client\n");
1827     f_print(fout, "\t\t\t\t* structure and retry. If we can't find in slot, we'll\n");
1828     f_print(fout, "\t\t\t\t* just continue through the whole list \n");
1829     f_print(fout, "\t\t\t\t*/\n");
1830     f_print(fout, "\t\t\t\tfor (i = 0; i < MAXSERVERS && aclient->conns[i]; i++) {\n");
1831     f_print(fout, "\t\t\t\t\trxp = rx_PeerOf(aclient->conns[i]);\n");
1832     f_print(fout, "\t\t\t\t\tthisHost = rx_HostOf(rxp);\n");
1833     f_print(fout, "\t\t\t\t\tif (!thisHost)\n");
1834     f_print(fout, "\t\t\t\t\t\tbreak;\n");
1835     f_print(fout, "\t\t\t\t\tif (thisHost == newHost) {\n");
1836     f_print(fout, "\t\t\t\t\t\tif (chaseCount++ > 2)\n");
1837     f_print(fout, "\t\t\t\t\t\t\tbreak;  /* avoid loop asking */\n");
1838     f_print(fout, "\t\t\t\t\t\t_ucount = i;  /* this index is the sync site */\n");
1839     f_print(fout, "\t\t\t\t\t\tbreak;\n");
1840     f_print(fout, "\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n");
1841     f_print(fout, "\t\t/*needsync */\n");
1842     f_print(fout, "\t\ttc = aclient->conns[_ucount];\n");
1843     f_print(fout, "\t\tif (tc && rx_ConnError(tc)) {\n");
1844     f_print(fout, "\t\t\taclient->conns[_ucount] = tc = ubik_RefreshConn(tc);\n");
1845     f_print(fout, "\t\t}\n");
1846     f_print(fout, "\t\tif (!tc)\n");
1847     f_print(fout, "\t\t\tbreak;\n\n");
1848     f_print(fout, "\t\tif ((pass == 0) && (aclient->states[_ucount] & CFLastFailed)) {\n");
1849     f_print(fout, "\t\t\tcontinue;       /* this guy's down */\n");
1850     f_print(fout, "\t\t}\n");
1851
1852     f_print(fout, "\t\trcode = %s%s%s(tc\n", prefix, PackagePrefix[PackageIndex], defp->pc.proc_name);
1853     for (plist = defp->pc.plists; plist; plist = plist->next) {
1854         if (plist->component_kind == DEF_PARAM) {
1855             plist->pl.param_flag &= ~PROCESSED_PARAM;
1856             f_print(fout, ", %s", plist->pl.param_name);
1857         }
1858     }
1859     f_print(fout, ");\n");
1860     f_print(fout, "\t\tif (aclient->initializationState != origLevel) {\n");
1861     f_print(fout, "\t\t\t/* somebody did a ubik_ClientInit */\n");
1862     f_print(fout, "\t\t\tif (rcode)\n");
1863     f_print(fout, "\t\t\t\tgoto restart;       /* call failed */\n");
1864     f_print(fout, "\t\t\telse\n");
1865     f_print(fout, "\t\t\t\tgoto done;  /* call suceeded */\n");
1866     f_print(fout, "\t\t}\n");
1867     f_print(fout, "\t\tif (rcode < 0) {    /* network errors */\n");
1868     f_print(fout, "\t\t\taclient->states[_ucount] |= CFLastFailed; /* Mark server down */\n");
1869     f_print(fout, "\t\t} else if (rcode == UNOTSYNC) {\n");
1870     f_print(fout, "\t\t\tneedsync = 1;\n");
1871     f_print(fout, "\t\t} else if (rcode != UNOQUORUM) {\n");
1872     f_print(fout, "\t\t\t/* either misc ubik code, or misc appl code, or success. */\n");
1873     f_print(fout, "\t\t\taclient->states[_ucount] &= ~CFLastFailed;        /* mark server up*/\n");
1874     f_print(fout, "\t\t\tgoto done;      /* all done */\n");
1875     f_print(fout, "\t\t}\n");
1876     f_print(fout, "\t\t}                       /*s */\n");
1877     f_print(fout, "\t}                           /*p */\n\n");
1878     f_print(fout, "\tdone:\n");
1879     f_print(fout, "\tif (needsync) {\n");
1880
1881 #if 0 /* We should do some sort of caching algorithm for this, but I need to think about it - shadow 26 jun 06 */
1882     f_print(fout, "\t\tif (!inlist) {          /* Remember proc call that needs sync site */\n");
1883     f_print(fout, "\t\t\tLOCK_UCLNT_CACHE;\n");
1884     f_print(fout, "\t\t\tcalls_needsync[synccount % SYNCCOUNT] = (int *)%s%s%s;\n", prefix, PackagePrefix[PackageIndex], defp->pc.proc_name);
1885     f_print(fout, "\t\t\tsynccount++;\n");
1886     f_print(fout, "\t\t\tUNLOCK_UCLNT_CACHE;\n");
1887     f_print(fout, "\t\t\tinlist = 1;\n");
1888     f_print(fout, "\t\t}\n");
1889 #endif
1890     f_print(fout, "\t\tif (!rcode) {           /* Remember the sync site - cmd successful */\n");
1891     f_print(fout, "\t\t\trxp = rx_PeerOf(aclient->conns[_ucount]);\n");
1892     f_print(fout, "\t\t\taclient->syncSite = rx_HostOf(rxp);\n");
1893     f_print(fout, "\t\t}\n");
1894     f_print(fout, "\t}\n");
1895     f_print(fout, "\tUNLOCK_UBIK_CLIENT(aclient);\n");
1896     f_print(fout, "\treturn rcode;\n}\n\n");
1897 }
1898
1899
1900 static int
1901 opcode_holes_exist(void)
1902 {
1903     int i;
1904
1905     for (i = lowest_opcode[PackageIndex]; i < highest_opcode[PackageIndex];
1906          i++) {
1907         if (!opcodenum_is_defined(i))
1908             return 1;
1909     }
1910     return 0;
1911 }
1912
1913
1914 void
1915 er_Proc_CodeGeneration(void)
1916 {
1917     int temp;
1918
1919     temp = PackageIndex;
1920     if (!combinepackages)
1921         PackageIndex = 0;
1922     for (; PackageIndex <= temp; PackageIndex++) {
1923         if (proc_defined[PackageIndex] == NULL)
1924             continue;
1925         if (combinepackages || opcode_holes_exist()) {
1926             er_HeadofOldStyleProc_setup();
1927             er_BodyofOldStyleProc_setup();
1928             er_TailofOldStyleProc_setup();
1929             er_HeadofOldStyleProc_setup2();
1930             er_BodyofOldStyleProc_setup2();
1931             er_TailofOldStyleProc_setup2();
1932         } else {
1933             er_ProcDeclExterns_setup();
1934             er_ProcProcsArray_setup();
1935             er_ProcMainBody_setup();
1936         }
1937     }
1938     PackageIndex = temp;
1939 }
1940
1941
1942 static void
1943 er_ProcDeclExterns_setup(void)
1944 {
1945     list *listp;
1946     definition *defp;
1947
1948     if ( !Sflag )
1949         return;
1950
1951     f_print(fout, "\n");
1952     for (listp = proc_defined[PackageIndex]; listp != NULL;
1953          listp = listp->next) {
1954         defp = (definition *) listp->val;
1955         if (defp->pc.proc_serverstub) {
1956             f_print(fout, "afs_int32 %s();\n", defp->pc.proc_serverstub);
1957         }
1958     }
1959 }
1960
1961
1962 static void
1963 er_ProcProcsArray_setup(void)
1964 {
1965     list *listp;
1966     definition *defp;
1967
1968     if ((listp = proc_defined[PackageIndex])) {
1969         defp = (definition *) listp->val;
1970         if ( cflag )  {
1971             f_print(fout, "\nstatic char *opnames%d[] = {\"%s%s\"",
1972                         PackageIndex, defp->pc.proc_prefix, defp->pc.proc_name);
1973         }
1974         else {
1975             if (defp->pc.proc_serverstub) {
1976                 f_print(fout, "\nstatic afs_int32 (*StubProcsArray%d[])() = {%s",
1977                         PackageIndex, defp->pc.proc_serverstub);
1978             } else {
1979                 f_print(fout,
1980                         "\nstatic afs_int32 (*StubProcsArray%d[])(struct rx_call *z_call, XDR *z_xdrs) = {_%s%s%s",
1981                         PackageIndex, prefix, defp->pc.proc_prefix,
1982                         ((definition *) listp->val)->pc.proc_name);
1983             }
1984         }
1985         listp = listp->next;
1986     }
1987     for (; listp != NULL; listp = listp->next) {
1988         defp = (definition *) listp->val;
1989         if ( cflag ) {
1990             f_print(fout, ", \"%s%s\"",defp->pc.proc_prefix,defp->pc.proc_name);
1991         }
1992         else {
1993             if (defp->pc.proc_serverstub) {
1994                 f_print(fout, ",%s", defp->pc.proc_serverstub);
1995             } else {
1996                 f_print(fout, ", _%s%s%s", prefix, defp->pc.proc_prefix,
1997                         defp->pc.proc_name);
1998             }
1999         }
2000     }
2001     f_print(fout, "};\n\n");
2002 }
2003
2004
2005 static void
2006 er_ProcMainBody_setup(void)
2007 {
2008     if ( cflag ) {
2009         f_print(fout, "char *%sTranslateOpCode(int op)\n{\n",
2010                 PackagePrefix[PackageIndex]);
2011         f_print(fout, "\tif (op < %sLOWEST_OPCODE || op > %sHIGHEST_OPCODE)\n\t\treturn NULL;\n",
2012                 PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
2013         f_print(fout, "\treturn opnames%d[op - %sLOWEST_OPCODE];\n}\n",
2014                 PackageIndex, PackagePrefix[PackageIndex]);
2015         f_print(fout, "struct %sstats *%sOpCodeStats(int op)\n{\n",
2016                 PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
2017         f_print(fout, "\tif (op < %sLOWEST_OPCODE || op > %sHIGHEST_OPCODE)\n\t\treturn NULL;\n",
2018                 PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
2019         f_print(fout, "\treturn NULL;/*%d %s*/\n}\n",
2020                 PackageIndex, PackagePrefix[PackageIndex]);
2021
2022         return;
2023     }
2024     f_print(fout, "int %s%sExecuteRequest(struct rx_call *z_call)\n",
2025             prefix, PackagePrefix[PackageIndex]);
2026     f_print(fout, "{\n\tint op;\n");
2027     f_print(fout, "\tXDR z_xdrs;\n");
2028     f_print(fout, "\t" "afs_int32 z_result;\n\n");
2029     f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_DECODE);\n");
2030     f_print(fout,
2031             "\tif (!xdr_int(&z_xdrs, &op))\n\t\tz_result = RXGEN_DECODE;\n");
2032     f_print(fout,
2033             "\telse if (op < %sLOWEST_OPCODE || op > %sHIGHEST_OPCODE)\n\t\tz_result = RXGEN_OPCODE;\n",
2034             PackagePrefix[PackageIndex], PackagePrefix[PackageIndex]);
2035     f_print(fout,
2036             "\telse\n\t\tz_result = (*StubProcsArray%d[op - %sLOWEST_OPCODE])(z_call, &z_xdrs);\n",
2037             PackageIndex, PackagePrefix[PackageIndex]);
2038     f_print(fout, "\treturn hton_syserr_conv(z_result);\n}\n");
2039 }
2040
2041 static void
2042 er_HeadofOldStyleProc_setup2(void)
2043 {
2044     if ( cflag ) {
2045         f_print(fout, "int %sOpCodeIndex(int op)\n{\n", (combinepackages ? MasterPrefix : PackagePrefix[PackageIndex]));
2046         f_print(fout, "\tswitch (op) {\n");
2047     }
2048 }
2049
2050 static void
2051 er_HeadofOldStyleProc_setup(void)
2052 {
2053     if ( cflag ) {
2054         f_print(fout, "char *%sTranslateOpCode(int op)\n{\n",
2055             (combinepackages ? MasterPrefix : PackagePrefix[PackageIndex]));
2056     }
2057     else {
2058         f_print(fout,
2059                 "\nint %s%sExecuteRequest (struct rx_call *z_call)\n",
2060                 prefix,
2061                 (combinepackages ? MasterPrefix : PackagePrefix[PackageIndex]));
2062         f_print(fout, "{\n");
2063         f_print(fout, "\tint op;\n");
2064         f_print(fout, "\tXDR z_xdrs;\n");
2065         f_print(fout, "\t" "afs_int32 z_result;\n\n");
2066         f_print(fout, "\txdrrx_create(&z_xdrs, z_call, XDR_DECODE);\n");
2067         f_print(fout, "\tz_result = RXGEN_DECODE;\n");
2068         f_print(fout, "\tif (!xdr_int(&z_xdrs, &op)) goto fail;\n");
2069     }
2070     f_print(fout, "\tswitch (op) {\n");
2071 }
2072
2073 static void
2074 er_BodyofOldStyleProc_setup(void)
2075 {
2076     list *listp;
2077
2078     if (combinepackages) {
2079         int temp = PackageIndex;
2080         for (PackageIndex = 0; PackageIndex <= temp; PackageIndex++) {
2081             for (listp = proc_defined[PackageIndex]; listp != NULL;
2082                  listp = listp->next)
2083                 proc_er_case((definition *) listp->val);
2084         }
2085         PackageIndex = temp;
2086     } else {
2087         for (listp = proc_defined[PackageIndex]; listp != NULL;
2088              listp = listp->next)
2089             proc_er_case((definition *) listp->val);
2090     }
2091 }
2092
2093
2094 static void
2095 proc_er_case(definition * defp)
2096 {
2097     if ( cflag ) {
2098         f_print(fout, "\t\tcase %d:", defp->pc.proc_opcodenum);
2099         f_print(fout, "\treturn \"%s%s\";\n",
2100                 defp->pc.proc_prefix, defp->pc.proc_name);
2101         return;
2102     }
2103     if (opcodesnotallowed[PackageIndex]) {
2104         f_print(fout, "\t\tcase %d:\n", defp->pc.proc_opcodenum);
2105     } else {
2106         f_print(fout, "\t\tcase %s:\n", defp->pc.proc_opcodename);
2107     }
2108     if (defp->pc.proc_serverstub) {
2109         f_print(fout, "\t\t\tz_result = %s(z_call, &z_xdrs);\n",
2110                 defp->pc.proc_serverstub);
2111     } else {
2112         f_print(fout, "\t\t\tz_result = _%s%s%s(z_call, &z_xdrs);\n", prefix,
2113                 defp->pc.proc_prefix, defp->pc.proc_name);
2114     }
2115     f_print(fout, "\t\t\tbreak;\n");
2116 }
2117
2118 static void
2119 proc_op_case(definition * defp)
2120 {
2121     f_print(fout, "\t\tcase %d:", defp->pc.proc_opcodenum);
2122     f_print(fout, "\treturn %d;\n",
2123             defp->statindex);
2124 }
2125
2126 static void
2127 er_BodyofOldStyleProc_setup2(void)
2128 {
2129     list *listp;
2130
2131     if (!cflag)
2132         return;
2133     if (combinepackages) {
2134         int temp = PackageIndex;
2135         for (PackageIndex = 0; PackageIndex <= temp; PackageIndex++) {
2136             for (listp = proc_defined[PackageIndex]; listp != NULL;
2137                  listp = listp->next)
2138                 proc_op_case((definition *) listp->val);
2139         }
2140         PackageIndex = temp;
2141     } else {
2142         for (listp = proc_defined[PackageIndex]; listp != NULL;
2143              listp = listp->next)
2144             proc_op_case((definition *) listp->val);
2145     }
2146 }
2147
2148 static void
2149 er_TailofOldStyleProc_setup2(void)
2150 {
2151     if ( cflag ) {
2152         f_print(fout, "\t\tdefault:\n");
2153         f_print(fout, "\t\t\treturn -1;\n\t}\n}\n");
2154     }
2155 }
2156
2157 static void
2158 er_TailofOldStyleProc_setup(void)
2159 {
2160     f_print(fout, "\t\tdefault:\n");
2161     if ( cflag ) {
2162         f_print(fout, "\t\t\treturn NULL;\n\t}\n}\n");
2163         return;
2164     }
2165     f_print(fout, "\t\t\tz_result = RXGEN_OPCODE;\n");
2166     f_print(fout, "\t\t\tbreak;\n\t}\n");
2167     f_print(fout, "fail:\n");
2168     f_print(fout, "\treturn z_result;\n}\n");
2169 }
2170
2171 static void
2172 h_ProcMainBody_setup(void)
2173 {
2174     f_print(fout,"\nextern int %s%sExecuteRequest(struct rx_call *);\n",
2175             prefix, PackagePrefix[PackageIndex]);
2176 }
2177
2178 static void
2179 h_HeadofOldStyleProc_setup(void)
2180 {
2181     char *pprefix = (combinepackages ? MasterPrefix :
2182                      PackagePrefix[PackageIndex]);
2183     f_print(fout,"\nstruct %sstats{\n\tint statsver;\n};", pprefix);
2184     f_print(fout,"\nextern int %s%sExecuteRequest(struct rx_call *);\n",
2185             prefix, pprefix);
2186     f_print(fout,"\nextern int %sOpCodeIndex(int op);\n", PackagePrefix[PackageIndex]);
2187 }
2188
2189 void
2190 h_Proc_CodeGeneration(void)
2191 {
2192     int temp;
2193
2194     temp = PackageIndex;
2195     if (!combinepackages)
2196         PackageIndex = 0;
2197     for (; PackageIndex <= temp; PackageIndex++) {
2198         if (combinepackages || opcode_holes_exist()) {
2199             h_HeadofOldStyleProc_setup();
2200         } else {
2201             h_ProcMainBody_setup();
2202         }
2203     }
2204     PackageIndex = temp;
2205 }
2206
2207 static void
2208 proc_h_case(definition * defp)
2209 {
2210     f_print(fout, "#define opcode_%s%s \t((afs_uint64)((%uLL << 32) + %sOpCodeIndex(%u)))\n",
2211             defp->pc.proc_prefix, defp->pc.proc_name, StatIndex,
2212             defp->pc.proc_prefix, defp->pc.proc_opcodenum);
2213 }
2214
2215 void
2216 h_opcode_stats_pkg(char *pprefix, int lowest, int highest, int nops,
2217                   int statfuncs, char *ptype, list *proclist)
2218 {
2219     list *listp;
2220
2221     if (!pprefix)
2222         return;
2223
2224     f_print(fout,
2225             "\n/* Opcode-related useful stats for %spackage: %s */\n",
2226             ptype, pprefix);
2227     f_print(fout, "#define %sLOWEST_OPCODE   %d\n", pprefix, lowest);
2228     f_print(fout, "#define %sHIGHEST_OPCODE     %d\n", pprefix, highest);
2229     f_print(fout, "#define %sNUMBER_OPCODES     %d\n\n", pprefix, nops);
2230
2231     for (listp = proclist; listp != NULL;
2232          listp = listp->next)
2233         proc_h_case((definition *) listp->val);
2234
2235     if (xflag) {
2236         f_print(fout, "#define %sNO_OF_STAT_FUNCS\t%d\n\n",
2237                 pprefix, statfuncs);
2238         f_print(fout, "AFS_RXGEN_EXPORT\n");
2239         f_print(fout, "extern const char *%sfunction_names[];\n\n",
2240                 pprefix);
2241     }
2242 }
2243
2244 void
2245 h_opcode_stats(void)
2246 {
2247     if (combinepackages) {
2248         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]);
2249     } else {
2250         int i;
2251         for (i = 0; i <= PackageIndex; i++) {
2252             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]);
2253         }
2254     }
2255 }
2256
2257
2258 void
2259 generate_multi_macros(definition * defp)
2260 {
2261     char *startname = SplitStart, *endname = SplitEnd;
2262     proc1_list *plist;
2263     int numofparams;
2264     int first = 0;
2265
2266     if (!hflag)
2267         return;
2268     if (!Multi_Init) {
2269         Multi_Init = 1;
2270         f_print(fout, "\n#include <rx/rx_multi.h>");
2271     }
2272     f_print(fout, "\n#define multi_%s%s(", PackagePrefix[PackageIndex],
2273             defp->pc.proc_name);
2274     for (plist = defp->pc.plists; plist; plist = plist->next) {
2275         if (plist->component_kind == DEF_PARAM) {
2276             if (!first) {
2277                 first = 1;
2278                 f_print(fout, "%s", plist->pl.param_name);
2279             } else {
2280                 f_print(fout, ", %s", plist->pl.param_name);
2281             }
2282         }
2283     }
2284     f_print(fout, ") \\\n");
2285     if (!startname)
2286         startname = "Start";
2287     if (!endname)
2288         endname = "End";
2289     f_print(fout, "\tmulti_Body(%s%s%s(multi_call", startname,
2290             PackagePrefix[PackageIndex], defp->pc.proc_name);
2291     do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 0);
2292     for (plist = defp->pc.plists; plist; plist = plist->next) {
2293         if (plist->component_kind == DEF_PARAM)
2294             f_print(fout, ", %s", plist->pl.param_name);
2295     }
2296     do_split(defp, OUT, &numofparams, DEF_OUTPARAM, 1);
2297     f_print(fout, "), %s%s%s(multi_call", endname,
2298             PackagePrefix[PackageIndex], defp->pc.proc_name);
2299     do_split(defp, IN, &numofparams, DEF_INPARAM, 0);
2300     for (plist = defp->pc.plists; plist; plist = plist->next) {
2301         if (plist->component_kind == DEF_PARAM) {
2302             f_print(fout, ", %s", plist->pl.param_name);
2303         }
2304     }
2305     do_split(defp, IN, &numofparams, DEF_INPARAM, 1);
2306     f_print(fout, "))\n\n");
2307 }
2308
2309
2310 int
2311 IsRxgenToken(token * tokp)
2312 {
2313     if (tokp->kind == TOK_PACKAGE || tokp->kind == TOK_PREFIX
2314         || tokp->kind == TOK_SPECIAL || tokp->kind == TOK_STARTINGOPCODE
2315         || tokp->kind == TOK_SPLITPREFIX || tokp->kind == TOK_PROC
2316         || tokp->kind == TOK_STATINDEX)
2317         return 1;
2318     return 0;
2319 }
2320
2321 int
2322 IsRxgenDefinition(definition * def)
2323 {
2324     if (def->def_kind == DEF_PACKAGE || def->def_kind == DEF_PREFIX
2325         || def->def_kind == DEF_SPECIAL || def->def_kind == DEF_STARTINGOPCODE
2326         || def->def_kind == DEF_SPLITPREFIX || def->def_kind == DEF_PROC)
2327         return 1;
2328     return 0;
2329 }