git.oblomov.eu Git - wine/blob - tools/widl/typegen.c

   1 /*
   2  * Format String Generator for IDL Compiler
   3  *
   4  * Copyright 2005-2006 Eric Kohl
   5  * Copyright 2005-2006 Robert Shearman
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #ifdef HAVE_UNISTD_H
  28 # include <unistd.h>
  29 #endif
  30 #include <string.h>
  31 #include <assert.h>
  32 #include <ctype.h>
  33 #include <signal.h>
  34 #include <limits.h>
  35
  36 #include "widl.h"
  37 #include "utils.h"
  38 #include "parser.h"
  39 #include "header.h"
  40 #include "windef.h"
  41 #include "wine/list.h"
  42
  43 #include "widl.h"
  44 #include "typegen.h"
  45
  46 static const func_t *current_func;
  47 static const type_t *current_structure;
  48
  49 /* name of the structure variable for structure callbacks */
  50 #define STRUCT_EXPR_EVAL_VAR "pS"
  51
  52 static struct list expr_eval_routines = LIST_INIT(expr_eval_routines);
  53
  54 struct expr_eval_routine
  55 {
  56     struct list entry;
  57     const type_t *structure;
  58     size_t structure_size;
  59     const expr_t *expr;
  60 };
  61
  62 static size_t type_memsize(const type_t *t, int ptr_level, const expr_t *array);
  63 static size_t fields_memsize(const var_t *v);
  64
  65 static int compare_expr(const expr_t *a, const expr_t *b)
  66 {
  67     int ret;
  68
  69     if (a->type != b->type)
  70         return a->type - b->type;
  71
  72     switch (a->type)
  73     {
  74         case EXPR_NUM:
  75         case EXPR_HEXNUM:
  76             return a->u.lval - b->u.lval;
  77         case EXPR_IDENTIFIER:
  78             return strcmp(a->u.sval, b->u.sval);
  79         case EXPR_COND:
  80             ret = compare_expr(a->ref, b->ref);
  81             if (ret != 0)
  82                 return ret;
  83             ret = compare_expr(a->u.ext, b->u.ext);
  84             if (ret != 0)
  85                 return ret;
  86             return compare_expr(a->ext2, b->ext2);
  87         case EXPR_OR:
  88         case EXPR_AND:
  89         case EXPR_ADD:
  90         case EXPR_SUB:
  91         case EXPR_MUL:
  92         case EXPR_DIV:
  93         case EXPR_SHL:
  94         case EXPR_SHR:
  95             ret = compare_expr(a->ref, b->ref);
  96             if (ret != 0)
  97                 return ret;
  98             return compare_expr(a->u.ext, b->u.ext);
  99         case EXPR_NOT:
 100         case EXPR_NEG:
 101         case EXPR_PPTR:
 102         case EXPR_CAST:
 103         case EXPR_SIZEOF:
 104             return compare_expr(a->ref, b->ref);
 105         case EXPR_VOID:
 106             return 0;
 107     }
 108     return -1;
 109 }
 110
 111 #define WRITE_FCTYPE(file, fctype, typestring_offset) \
 112     do { \
 113         if (file) \
 114             fprintf(file, "/* %2u */\n", typestring_offset); \
 115         print_file((file), 2, "0x%02x,    /* " #fctype " */\n", RPC_##fctype); \
 116     } \
 117     while (0)
 118
 119 static int print_file(FILE *file, int indent, const char *format, ...)
 120 {
 121     va_list va;
 122     int i, r;
 123
 124     if (!file) return 0;
 125
 126     va_start(va, format);
 127     for (i = 0; i < indent; i++)
 128         fprintf(file, "    ");
 129     r = vfprintf(file, format, va);
 130     va_end(va);
 131     return r;
 132 }
 133
 134 static inline int type_has_ref(const type_t *type)
 135 {
 136     return (type->type == 0 && type->ref);
 137 }
 138
 139 static inline int is_base_type(unsigned char type)
 140 {
 141     switch (type)
 142     {
 143     case RPC_FC_BYTE:
 144     case RPC_FC_CHAR:
 145     case RPC_FC_USMALL:
 146     case RPC_FC_SMALL:
 147     case RPC_FC_WCHAR:
 148     case RPC_FC_USHORT:
 149     case RPC_FC_SHORT:
 150     case RPC_FC_ULONG:
 151     case RPC_FC_LONG:
 152     case RPC_FC_HYPER:
 153     case RPC_FC_IGNORE:
 154     case RPC_FC_FLOAT:
 155     case RPC_FC_DOUBLE:
 156     case RPC_FC_ENUM16:
 157     case RPC_FC_ENUM32:
 158     case RPC_FC_ERROR_STATUS_T:
 159     case RPC_FC_BIND_PRIMITIVE:
 160         return TRUE;
 161
 162     default:
 163         return FALSE;
 164     }
 165 }
 166
 167 static size_t write_procformatstring_var(FILE *file, int indent,
 168     const var_t *var, int is_return, unsigned int *type_offset)
 169 {
 170     size_t size;
 171     int ptr_level = var->ptr_level;
 172     const type_t *type = var->type;
 173
 174     int is_in = is_attr(var->attrs, ATTR_IN);
 175     int is_out = is_attr(var->attrs, ATTR_OUT);
 176
 177     if (!is_in && !is_out) is_in = TRUE;
 178
 179     if (ptr_level == 0 && type_has_ref(type))
 180         type = type->ref;
 181
 182     if (ptr_level == 0 && !var->array && is_base_type(type->type))
 183     {
 184         if (is_return)
 185             print_file(file, indent, "0x53,    /* FC_RETURN_PARAM_BASETYPE */\n");
 186         else
 187             print_file(file, indent, "0x4e,    /* FC_IN_PARAM_BASETYPE */\n");
 188
 189         switch(type->type)
 190         {
 191 #define CASE_BASETYPE(fctype) \
 192         case RPC_##fctype: \
 193             print_file(file, indent, "0x%02x,    /* " #fctype " */\n", RPC_##fctype); \
 194             size = 2; /* includes param type prefix */ \
 195             break
 196
 197         CASE_BASETYPE(FC_BYTE);
 198         CASE_BASETYPE(FC_CHAR);
 199         CASE_BASETYPE(FC_WCHAR);
 200         CASE_BASETYPE(FC_USHORT);
 201         CASE_BASETYPE(FC_SHORT);
 202         CASE_BASETYPE(FC_ULONG);
 203         CASE_BASETYPE(FC_LONG);
 204         CASE_BASETYPE(FC_HYPER);
 205         CASE_BASETYPE(FC_IGNORE);
 206         CASE_BASETYPE(FC_USMALL);
 207         CASE_BASETYPE(FC_SMALL);
 208         CASE_BASETYPE(FC_FLOAT);
 209         CASE_BASETYPE(FC_DOUBLE);
 210         CASE_BASETYPE(FC_ERROR_STATUS_T);
 211 #undef CASE_BASETYPE
 212
 213         case RPC_FC_BIND_PRIMITIVE:
 214             print_file(file, indent, "0x%02x,    /* FC_IGNORE */\n", RPC_FC_IGNORE);
 215             size = 2; /* includes param type prefix */
 216             break;
 217
 218         default:
 219             error("Unknown/unsupported type: %s (0x%02x)\n", var->name, type->type);
 220             size = 0;
 221         }
 222     }
 223     else
 224     {
 225         if (is_return)
 226             print_file(file, indent, "0x52,    /* FC_RETURN_PARAM */\n");
 227         else if (is_in && is_out)
 228             print_file(file, indent, "0x50,    /* FC_IN_OUT_PARAM */\n");
 229         else if (is_out)
 230             print_file(file, indent, "0x51,    /* FC_OUT_PARAM */\n");
 231         else
 232             print_file(file, indent, "0x4d,    /* FC_IN_PARAM */\n");
 233
 234         print_file(file, indent, "0x01,\n");
 235         print_file(file, indent, "NdrFcShort(0x%x),\n", *type_offset);
 236         size = 4; /* includes param type prefix */
 237     }
 238     *type_offset += get_size_typeformatstring_var(var);
 239     return size;
 240 }
 241
 242 void write_procformatstring(FILE *file, type_t *iface)
 243 {
 244     int indent = 0;
 245     var_t *var;
 246     unsigned int type_offset = 2;
 247
 248     print_file(file, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =\n");
 249     print_file(file, indent, "{\n");
 250     indent++;
 251     print_file(file, indent, "0,\n");
 252     print_file(file, indent, "{\n");
 253     indent++;
 254
 255     if (iface->funcs)
 256     {
 257         func_t *func = iface->funcs;
 258         while (NEXT_LINK(func)) func = NEXT_LINK(func);
 259         for (; func; func = PREV_LINK(func))
 260         {
 261             /* emit argument data */
 262             if (func->args)
 263             {
 264                 var = func->args;
 265                 while (NEXT_LINK(var)) var = NEXT_LINK(var);
 266                 while (var)
 267                 {
 268                     write_procformatstring_var(file, indent, var, FALSE,
 269                                                &type_offset);
 270
 271                     var = PREV_LINK(var);
 272                 }
 273             }
 274
 275             /* emit return value data */
 276             var = func->def;
 277             if (is_void(var->type, NULL))
 278             {
 279                 print_file(file, indent, "0x5b,    /* FC_END */\n");
 280                 print_file(file, indent, "0x5c,    /* FC_PAD */\n");
 281             }
 282             else
 283                 write_procformatstring_var(file, indent, var, TRUE,
 284                                            &type_offset);
 285         }
 286     }
 287
 288     print_file(file, indent, "0x0\n");
 289     indent--;
 290     print_file(file, indent, "}\n");
 291     indent--;
 292     print_file(file, indent, "};\n");
 293     print_file(file, indent, "\n");
 294 }
 295
 296 /* write conformance / variance descriptor */
 297 static size_t write_conf_or_var_desc(FILE *file, const func_t *func, const type_t *structure, const expr_t *expr)
 298 {
 299     unsigned char operator_type = 0;
 300     const char *operator_string = "no operators";
 301     const expr_t *subexpr = expr;
 302     unsigned char correlation_type;
 303
 304     if (!file) return 4; /* optimisation for sizing pass */
 305
 306     if (expr->is_const)
 307     {
 308         if (expr->cval > UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX)
 309             error("write_conf_or_var_desc: constant value %ld is greater than "
 310                   "the maximum constant size of %d\n", expr->cval,
 311                   UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX);
 312
 313         print_file(file, 2, "0x%x, /* Corr desc: constant, val = %ld */\n",
 314                    RPC_FC_CONSTANT_CONFORMANCE, expr->cval);
 315         print_file(file, 2, "0x%x,\n", expr->cval & ~USHRT_MAX);
 316         print_file(file, 2, "NdrFcShort(0x%x),\n", expr->cval & USHRT_MAX);
 317
 318         return 4;
 319     }
 320
 321     switch (subexpr->type)
 322     {
 323     case EXPR_PPTR:
 324         subexpr = subexpr->ref;
 325         operator_type = RPC_FC_DEREFERENCE;
 326         operator_string = "FC_DEREFERENCE";
 327         break;
 328     case EXPR_DIV:
 329         if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
 330         {
 331             subexpr = subexpr->ref;
 332             operator_type = RPC_FC_DIV_2;
 333             operator_string = "FC_DIV_2";
 334         }
 335         break;
 336     case EXPR_MUL:
 337         if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
 338         {
 339             subexpr = subexpr->ref;
 340             operator_type = RPC_FC_MULT_2;
 341             operator_string = "FC_MULT_2";
 342         }
 343         break;
 344     case EXPR_SUB:
 345         if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
 346         {
 347             subexpr = subexpr->ref;
 348             operator_type = RPC_FC_SUB_1;
 349             operator_string = "FC_SUB_1";
 350         }
 351         break;
 352     case EXPR_ADD:
 353         if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
 354         {
 355             subexpr = subexpr->ref;
 356             operator_type = RPC_FC_ADD_1;
 357             operator_string = "FC_ADD_1";
 358         }
 359         break;
 360     default:
 361         break;
 362     }
 363
 364     if (subexpr->type == EXPR_IDENTIFIER)
 365     {
 366         const type_t *correlation_variable = NULL;
 367         unsigned char param_type = 0;
 368         const char *param_type_string = NULL;
 369         size_t offset;
 370
 371         if (structure)
 372         {
 373             const var_t *var;
 374
 375             for (offset = 0, var = structure->fields; var; var = NEXT_LINK(var))
 376             {
 377                 offset -= type_memsize(var->type, var->ptr_level, var->array);
 378                 if (!strcmp(var->name, subexpr->u.sval))
 379                 {
 380                     correlation_variable = var->type;
 381                     break;
 382                 }
 383             }
 384             if (!correlation_variable)
 385                 error("write_conf_or_var_desc: couldn't find variable %s in structure\n",
 386                       subexpr->u.sval);
 387
 388             correlation_type = RPC_FC_NORMAL_CONFORMANCE;
 389         }
 390         else
 391         {
 392             const var_t *var = func->args;
 393
 394             while (NEXT_LINK(var)) var = NEXT_LINK(var);
 395             /* FIXME: not all stack variables are sizeof(void *) */
 396             for (offset = 0; var; offset += sizeof(void *), var = PREV_LINK(var))
 397             {
 398                 if (!strcmp(var->name, subexpr->u.sval))
 399                 {
 400                     correlation_variable = var->type;
 401                     break;
 402                 }
 403             }
 404             if (!correlation_variable)
 405                 error("write_conf_or_var_desc: couldn't find variable %s in function\n",
 406                     subexpr->u.sval);
 407
 408             correlation_type = RPC_FC_TOP_LEVEL_CONFORMANCE;
 409         }
 410
 411         while (type_has_ref(correlation_variable))
 412             correlation_variable = correlation_variable->ref;
 413
 414         switch (correlation_variable->type)
 415         {
 416         case RPC_FC_CHAR:
 417         case RPC_FC_SMALL:
 418             param_type = RPC_FC_SMALL;
 419             param_type_string = "FC_SMALL";
 420             break;
 421         case RPC_FC_BYTE:
 422         case RPC_FC_USMALL:
 423             param_type = RPC_FC_USMALL;
 424             param_type_string = "FC_USMALL";
 425             break;
 426         case RPC_FC_WCHAR:
 427         case RPC_FC_SHORT:
 428             param_type = RPC_FC_SHORT;
 429             param_type_string = "FC_SHORT";
 430             break;
 431         case RPC_FC_USHORT:
 432             param_type = RPC_FC_USHORT;
 433             param_type_string = "FC_USHORT";
 434             break;
 435         case RPC_FC_LONG:
 436             param_type = RPC_FC_LONG;
 437             param_type_string = "FC_LONG";
 438             break;
 439         case RPC_FC_ULONG:
 440             param_type = RPC_FC_ULONG;
 441             param_type_string = "FC_ULONG";
 442             break;
 443         default:
 444             error("write_conf_or_var_desc: conformance variable type not supported 0x%x\n",
 445                 correlation_variable->type);
 446         }
 447
 448         print_file(file, 2, "0x%x, /* Corr desc: %s%s */\n",
 449                 correlation_type | param_type,
 450                 correlation_type == RPC_FC_TOP_LEVEL_CONFORMANCE ? "parameter, " : "",
 451                 param_type_string);
 452         print_file(file, 2, "0x%x, /* %s */\n", operator_type, operator_string);
 453         print_file(file, 2, "NdrFcShort(0x%x), /* %soffset = %d */\n",
 454                    offset,
 455                    correlation_type == RPC_FC_TOP_LEVEL_CONFORMANCE ? "x86 stack size / " : "",
 456                    offset);
 457     }
 458     else
 459     {
 460         unsigned int callback_offset = 0;
 461
 462         if (structure)
 463         {
 464             struct expr_eval_routine *eval;
 465             int found = 0;
 466
 467             LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
 468             {
 469                 if (!strcmp(eval->structure->name, structure->name) &&
 470                     !compare_expr(eval->expr, expr))
 471                 {
 472                     found = 1;
 473                     break;
 474                 }
 475                 callback_offset++;
 476             }
 477
 478             if (!found)
 479             {
 480                 eval = xmalloc(sizeof(*eval));
 481                 eval->structure = structure;
 482                 eval->structure_size = fields_memsize(structure->fields);
 483                 eval->expr = expr;
 484                 list_add_tail(&expr_eval_routines, &eval->entry);
 485             }
 486
 487             correlation_type = RPC_FC_NORMAL_CONFORMANCE;
 488         }
 489         else
 490         {
 491             error("write_conf_or_var_desc: top-level callback conformance unimplemented\n");
 492             correlation_type = RPC_FC_TOP_LEVEL_CONFORMANCE;
 493         }
 494
 495         if (callback_offset > USHRT_MAX)
 496             error("Maximum number of callback routines reached\n");
 497
 498         print_file(file, 2, "0x%x, /* Corr desc: %s */\n",
 499                    correlation_type,
 500                    correlation_type == RPC_FC_TOP_LEVEL_CONFORMANCE ? "parameter" : "");
 501         print_file(file, 2, "0x%x, /* %s */\n", RPC_FC_CALLBACK, "FC_CALLBACK");
 502         print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", callback_offset, callback_offset);
 503     }
 504     return 4;
 505 }
 506
 507 static size_t fields_memsize(const var_t *v)
 508 {
 509     size_t size = 0;
 510     const var_t *first = v;
 511     if (!v) return 0;
 512     while (NEXT_LINK(v)) v = NEXT_LINK(v);
 513     while (v) {
 514         size += type_memsize(v->type, v->ptr_level, v->array);
 515         if (v == first) break;
 516         v = PREV_LINK(v);
 517     }
 518     return size;
 519 }
 520
 521 static size_t type_memsize(const type_t *t, int ptr_level, const expr_t *array)
 522 {
 523     size_t size = 0;
 524
 525     if (ptr_level)
 526         return sizeof(void *);
 527
 528     if (type_has_ref(t))
 529         return type_memsize(t->ref, 0 /* FIXME */, NULL);
 530
 531     switch (t->type)
 532     {
 533     case RPC_FC_BYTE:
 534     case RPC_FC_CHAR:
 535     case RPC_FC_USMALL:
 536     case RPC_FC_SMALL:
 537         size = 1;
 538         break;
 539     case RPC_FC_WCHAR:
 540     case RPC_FC_USHORT:
 541     case RPC_FC_SHORT:
 542     case RPC_FC_ENUM16:
 543         size = 2;
 544         break;
 545     case RPC_FC_ULONG:
 546     case RPC_FC_LONG:
 547     case RPC_FC_ERROR_STATUS_T:
 548     case RPC_FC_ENUM32:
 549     case RPC_FC_FLOAT:
 550         size = 4;
 551         break;
 552     case RPC_FC_HYPER:
 553     case RPC_FC_DOUBLE:
 554         size = 8;
 555         break;
 556     case RPC_FC_STRUCT:
 557     case RPC_FC_CVSTRUCT:
 558     case RPC_FC_CPSTRUCT:
 559     case RPC_FC_CSTRUCT:
 560     case RPC_FC_PSTRUCT:
 561     case RPC_FC_BOGUS_STRUCT:
 562     case RPC_FC_ENCAPSULATED_UNION:
 563     case RPC_FC_NON_ENCAPSULATED_UNION:
 564         size = fields_memsize(t->fields);
 565         break;
 566     default:
 567         error("type_memsize: Unknown type %d\n", t->type);
 568         size = 0;
 569     }
 570
 571     if (array)
 572     {
 573         if (array->is_const)
 574             size *= array->cval;
 575         else
 576             size = 0;
 577     }
 578
 579     return size;
 580 }
 581
 582 size_t get_type_memsize(const type_t *type)
 583 {
 584     return type_memsize(type, 0, NULL);
 585 }
 586
 587 static int write_pointers(FILE *file, const attr_t *attrs,
 588                           const type_t *type, int ptr_level,
 589                           const expr_t *array, int level,
 590                           size_t *typestring_offset)
 591 {
 592     int pointers_written = 0;
 593     const var_t *v;
 594
 595     /* don't generate a pointer for first-level arrays since we want to
 596     * descend into them to write their pointers, not stop here */
 597     if ((level == 0 || ptr_level == 0) && is_array_type(attrs, ptr_level, array))
 598     {
 599         return write_pointers(file, NULL, type, 0, NULL, level + 1, typestring_offset);
 600     }
 601
 602     if (ptr_level != 0)
 603     {
 604         /* FIXME: only general algorithm implemented, not the actual writing */
 605         error("write_pointers: Writing type format string for pointer is unimplemented\n");
 606         return 1;
 607     }
 608
 609     /* FIXME: search through all refs for pointers too */
 610     while(type_has_ref(type))
 611         type = type->ref;
 612
 613     switch (type->type)
 614     {
 615         /* note: don't descend into complex structures or unions since these
 616          * will always be generated as a separate type */
 617         case RPC_FC_STRUCT:
 618         case RPC_FC_CVSTRUCT:
 619         case RPC_FC_CPSTRUCT:
 620         case RPC_FC_CSTRUCT:
 621         case RPC_FC_PSTRUCT:
 622             v = type->fields;
 623             if (!v) break;
 624             while (NEXT_LINK(v)) v = NEXT_LINK(v);
 625             for (; v; v = PREV_LINK(v))
 626                 pointers_written += write_pointers(file, v->attrs, v->type,
 627                                                    v->ptr_level, v->array,
 628                                                    level + 1,
 629                                                    typestring_offset);
 630
 631             break;
 632
 633         default:
 634             /* nothing to do */
 635             break;
 636     }
 637
 638     return pointers_written;
 639 }
 640
 641 static size_t write_pointer_description(FILE *file, const attr_t *attrs,
 642                                         const type_t *type, int ptr_level,
 643                                         const expr_t *array, int level,
 644                                         size_t typestring_offset)
 645 {
 646     size_t size = 0;
 647     const var_t *v;
 648
 649     /* don't generate a pointer for first-level arrays since we want to
 650      * descend into them to write their pointers, not stop here */
 651     if ((level == 0 || ptr_level == 0) && is_array_type(attrs, ptr_level, array))
 652     {
 653         return write_pointer_description(file, NULL, type, 0, NULL,
 654                                          level + 1, typestring_offset);
 655     }
 656
 657     if (ptr_level != 0)
 658     {
 659         /* FIXME: only general algorithm implemented, not the actual writing */
 660         error("write_pointer_description: Writing pointer description is unimplemented\n");
 661         return 0;
 662     }
 663
 664     /* FIXME: search through all refs for pointers too */
 665
 666     switch (type->type)
 667     {
 668         /* note: don't descend into complex structures or unions since these
 669          * will always be generated as a separate type */
 670         case RPC_FC_STRUCT:
 671         case RPC_FC_CVSTRUCT:
 672         case RPC_FC_CPSTRUCT:
 673         case RPC_FC_CSTRUCT:
 674         case RPC_FC_PSTRUCT:
 675             v = type->fields;
 676             if (!v) break;
 677             while (NEXT_LINK(v)) v = NEXT_LINK(v);
 678             for (; v; v = PREV_LINK(v))
 679                 size += write_pointer_description(file, v->attrs, v->type,
 680                                                   v->ptr_level, v->array,
 681                                                   level + 1,
 682                                                   typestring_offset);
 683
 684             break;
 685
 686         default:
 687             /* nothing to do */
 688             break;
 689     }
 690
 691     return size;
 692 }
 693
 694 static size_t write_string_tfs(FILE *file, const attr_t *attrs,
 695                                const type_t *type, const expr_t *array,
 696                                const char *name, size_t *typestring_offset)
 697 {
 698     const expr_t *size_is = get_attrp(attrs, ATTR_SIZEIS);
 699     int has_size = size_is && (size_is->type != EXPR_VOID);
 700     size_t start_offset = *typestring_offset;
 701     unsigned char flags = 0;
 702     int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
 703     if (!pointer_type)
 704         pointer_type = RPC_FC_RP;
 705
 706     if (!get_attrp(attrs, ATTR_SIZEIS))
 707         flags |= RPC_FC_P_SIMPLEPOINTER;
 708
 709     while (type_has_ref(type))
 710         type = type->ref;
 711
 712     if ((type->type != RPC_FC_BYTE) && (type->type != RPC_FC_CHAR) && (type->type != RPC_FC_WCHAR))
 713     {
 714         error("write_string_tfs: Unimplemented for type 0x%x of name: %s\n", type->type, name);
 715         return start_offset;
 716     }
 717
 718     print_file(file, 2,"0x%x, 0x%x,    /* %s%s */\n",
 719                pointer_type, flags,
 720                pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP"),
 721                (flags & RPC_FC_P_SIMPLEPOINTER) ? " [simple_pointer]" : "");
 722     *typestring_offset += 2;
 723
 724     if (!(flags & RPC_FC_P_SIMPLEPOINTER))
 725     {
 726         print_file(file, 2, "NdrFcShort(0x2);\n");
 727         *typestring_offset += 2;
 728     }
 729
 730     if (array && array->is_const)
 731     {
 732         if (array->cval > USHRT_MAX)
 733             error("array size for parameter %s exceeds %d bytes by %ld bytes\n",
 734                   name, USHRT_MAX, array->cval - USHRT_MAX);
 735
 736         if (type->type == RPC_FC_CHAR)
 737             WRITE_FCTYPE(file, FC_CSTRING, *typestring_offset);
 738         else
 739             WRITE_FCTYPE(file, FC_WSTRING, *typestring_offset);
 740         print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 741         *typestring_offset += 2;
 742
 743         print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", array->cval, array->cval);
 744         *typestring_offset += 2;
 745
 746         return start_offset;
 747     }
 748     else if (has_size)
 749     {
 750         if (type->type == RPC_FC_CHAR)
 751             WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
 752         else
 753             WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
 754         print_file(file, 2, "0x%x, /* FC_STRING_SIZED */\n", RPC_FC_STRING_SIZED);
 755         *typestring_offset += 2;
 756
 757         *typestring_offset += write_conf_or_var_desc(file, current_func, NULL, size_is);
 758
 759         return start_offset;
 760     }
 761     else
 762     {
 763         if (type->type == RPC_FC_CHAR)
 764             WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
 765         else
 766             WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
 767         print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 768         *typestring_offset += 2;
 769
 770         return start_offset;
 771     }
 772 }
 773
 774 static size_t write_array_tfs(FILE *file, const attr_t *attrs,
 775                               const type_t *type, const expr_t *array,
 776                               const char *name, size_t *typestring_offset)
 777 {
 778     const expr_t *length_is = get_attrp(attrs, ATTR_LENGTHIS);
 779     const expr_t *size_is = get_attrp(attrs, ATTR_SIZEIS);
 780     int has_length = length_is && (length_is->type != EXPR_VOID);
 781     int has_size = (size_is && (size_is->type != EXPR_VOID)) || !array->is_const;
 782     size_t start_offset;
 783
 784     if (array && NEXT_LINK(array)) /* multi-dimensional array */
 785     {
 786         error("write_array_tfs: Multi-dimensional arrays not implemented yet (param %s)\n", name);
 787         return 0;
 788     }
 789     else
 790     {
 791         size_t pointer_start_offset = *typestring_offset;
 792         int has_pointer = 0;
 793
 794         if (write_pointers(file, attrs, type, 0, array, 0, typestring_offset) > 0)
 795             has_pointer = 1;
 796
 797         start_offset = *typestring_offset;
 798
 799         if (!has_length && !has_size)
 800         {
 801             /* fixed array */
 802             size_t size = type_memsize(type, 0, array);
 803             if (size < USHRT_MAX)
 804             {
 805                 WRITE_FCTYPE(file, FC_SMFARRAY, *typestring_offset);
 806                 /* alignment */
 807                 print_file(file, 2, "0x%x, /* 0 */\n", 0);
 808                 /* size */
 809                 print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", size, size);
 810                 *typestring_offset += 4;
 811             }
 812             else
 813             {
 814                 WRITE_FCTYPE(file, FC_LGFARRAY, *typestring_offset);
 815                 /* alignment */
 816                 print_file(file, 2, "0x%x, /* 0 */\n", 0);
 817                 /* size */
 818                 print_file(file, 2, "NdrFcLong(0x%x), /* %d */\n", size, size);
 819                 *typestring_offset += 6;
 820             }
 821
 822             if (has_pointer)
 823             {
 824                 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
 825                 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 826                 *typestring_offset += 2;
 827                 *typestring_offset = write_pointer_description(file, attrs,
 828                     type, 0, array, 0, pointer_start_offset);
 829                 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 830                 *typestring_offset += 1;
 831             }
 832
 833             print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n");
 834             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 835             *typestring_offset += 2;
 836
 837             return start_offset;
 838         }
 839         else if (has_length && !has_size)
 840         {
 841             /* varying array */
 842             size_t element_size = type_memsize(type, 0, NULL);
 843             size_t elements = array->cval;
 844             size_t total_size = element_size * elements;
 845
 846             if (total_size < USHRT_MAX)
 847             {
 848                 WRITE_FCTYPE(file, FC_SMVARRAY, *typestring_offset);
 849                 /* alignment */
 850                 print_file(file, 2, "0x%x, /* 0 */\n", 0);
 851                 /* total size */
 852                 print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", total_size, total_size);
 853                 /* number of elements */
 854                 print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", elements, elements);
 855                 *typestring_offset += 6;
 856             }
 857             else
 858             {
 859                 WRITE_FCTYPE(file, FC_LGVARRAY, *typestring_offset);
 860                 /* alignment */
 861                 print_file(file, 2, "0x%x, /* 0 */\n", 0);
 862                 /* total size */
 863                 print_file(file, 2, "NdrFcLong(0x%x), /* %d */\n", total_size, total_size);
 864                 /* number of elements */
 865                 print_file(file, 2, "NdrFcLong(0x%x), /* %d */\n", elements, elements);
 866                 *typestring_offset += 10;
 867             }
 868             /* element size */
 869             print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", element_size, element_size);
 870             *typestring_offset += 2;
 871
 872             *typestring_offset += write_conf_or_var_desc(file, current_func,
 873                                                          current_structure,
 874                                                          length_is);
 875
 876             if (has_pointer)
 877             {
 878                 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
 879                 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 880                 *typestring_offset += 2;
 881                 *typestring_offset += write_pointer_description(file, attrs,
 882                     type, 0, array, 0, pointer_start_offset);
 883                 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 884                 *typestring_offset += 1;
 885             }
 886
 887             print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n");
 888             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 889             *typestring_offset += 2;
 890
 891             return start_offset;
 892         }
 893         else if (!has_length && has_size)
 894         {
 895             /* conformant array */
 896             size_t element_size = type_memsize(type, 0, NULL);
 897
 898             WRITE_FCTYPE(file, FC_CARRAY, *typestring_offset);
 899             /* alignment */
 900             print_file(file, 2, "0x%x, /* 0 */\n", 0);
 901             /* element size */
 902             print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", element_size, element_size);
 903             *typestring_offset += 4;
 904
 905             *typestring_offset += write_conf_or_var_desc(file, current_func,
 906                                                          current_structure,
 907                                                          size_is ? size_is : array);
 908
 909             if (has_pointer)
 910             {
 911                 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
 912                 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 913                 *typestring_offset += 2;
 914                 *typestring_offset += write_pointer_description(file, attrs,
 915                     type, 0, array, 0, pointer_start_offset);
 916                 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 917                 *typestring_offset += 1;
 918             }
 919
 920             print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n");
 921             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 922             *typestring_offset += 2;
 923
 924             return start_offset;
 925         }
 926         else
 927         {
 928             /* conformant varying array */
 929             size_t element_size = type_memsize(type, 0, NULL);
 930
 931             WRITE_FCTYPE(file, FC_CVARRAY, *typestring_offset);
 932             /* alignment */
 933             print_file(file, 2, "0x%x, /* 0 */\n", 0);
 934             /* element size */
 935             print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", element_size, element_size);
 936             *typestring_offset += 4;
 937
 938             *typestring_offset += write_conf_or_var_desc(file, current_func,
 939                                                          current_structure,
 940                                                          size_is ? size_is : array);
 941             *typestring_offset += write_conf_or_var_desc(file, current_func,
 942                                                          current_structure,
 943                                                          length_is);
 944
 945             if (has_pointer)
 946             {
 947                 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
 948                 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 949                 *typestring_offset += 2;
 950                 *typestring_offset += write_pointer_description(file, attrs,
 951                     type, 0, array, 0, pointer_start_offset);
 952                 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 953                 *typestring_offset += 1;
 954             }
 955
 956             print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n");
 957             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 958             *typestring_offset += 2;
 959
 960             return start_offset;
 961         }
 962     }
 963 }
 964
 965 static const var_t *find_array_or_string_in_struct(const type_t *type)
 966 {
 967     /* last field is the first in the fields linked list */
 968     const var_t *last_field = type->fields;
 969     if (is_array_type(last_field->attrs, last_field->ptr_level, last_field->array))
 970         return last_field;
 971
 972     assert((last_field->type->type == RPC_FC_CSTRUCT) ||
 973            (last_field->type->type == RPC_FC_CPSTRUCT) ||
 974            (last_field->type->type == RPC_FC_CVSTRUCT));
 975
 976     return find_array_or_string_in_struct(last_field->type);
 977 }
 978
 979 static size_t write_struct_tfs(FILE *file, const type_t *type,
 980                                const char *name, size_t *typestring_offset)
 981 {
 982     size_t total_size;
 983     const var_t *array;
 984     size_t start_offset;
 985     size_t array_offset;
 986     size_t pointer_offset;
 987
 988     switch (type->type)
 989     {
 990     case RPC_FC_STRUCT:
 991     case RPC_FC_PSTRUCT:
 992         total_size = type_memsize(type, 0, NULL);
 993
 994         if (total_size > USHRT_MAX)
 995             error("structure size for parameter %s exceeds %d bytes by %d bytes\n",
 996                   name, USHRT_MAX, total_size - USHRT_MAX);
 997
 998         if (type->type == RPC_FC_PSTRUCT)
 999         {
1000             pointer_offset = *typestring_offset;
1001             write_pointers(file, NULL, type, 0, NULL, 0, typestring_offset);
1002         }
1003         else pointer_offset = 0; /* silence warning */
1004
1005         start_offset = *typestring_offset;
1006         if (type->type == RPC_FC_STRUCT)
1007             WRITE_FCTYPE(file, FC_STRUCT, *typestring_offset);
1008         else
1009             WRITE_FCTYPE(file, FC_PSTRUCT, *typestring_offset);
1010         /* alignment */
1011         print_file(file, 2, "0x0,\n");
1012         /* total size */
1013         print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", total_size, total_size);
1014         *typestring_offset += 4;
1015
1016         if (type->type == RPC_FC_PSTRUCT)
1017         {
1018             print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
1019             print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
1020             *typestring_offset += 2;
1021             *typestring_offset += write_pointer_description(file, NULL,
1022                 type, 0, NULL, 0, pointer_offset);
1023             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1024             *typestring_offset += 1;
1025         }
1026
1027         /* member layout */
1028         print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n");
1029         print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1030
1031         *typestring_offset += 2;
1032         return start_offset;
1033     case RPC_FC_CSTRUCT:
1034     case RPC_FC_CPSTRUCT:
1035         total_size = type_memsize(type, 0, NULL);
1036
1037         if (total_size > USHRT_MAX)
1038             error("structure size for parameter %s exceeds %d bytes by %d bytes\n",
1039                   name, USHRT_MAX, total_size - USHRT_MAX);
1040
1041         array = find_array_or_string_in_struct(type);
1042         current_structure = type;
1043         array_offset = write_array_tfs(file, array->attrs, array->type,
1044                                        array->array, array->name,
1045                                        typestring_offset);
1046         current_structure = NULL;
1047
1048         if (type->type == RPC_FC_CPSTRUCT)
1049         {
1050             pointer_offset = *typestring_offset;
1051             write_pointers(file, NULL, type, 0, NULL, 0, typestring_offset);
1052         }
1053         else pointer_offset = 0; /* silence warning */
1054
1055         start_offset = *typestring_offset;
1056         if (type->type == RPC_FC_CSTRUCT)
1057             WRITE_FCTYPE(file, FC_CSTRUCT, *typestring_offset);
1058         else
1059             WRITE_FCTYPE(file, FC_CPSTRUCT, *typestring_offset);
1060         /* alignment */
1061         print_file(file, 2, "0x0,\n");
1062         /* total size */
1063         print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", total_size, total_size);
1064         *typestring_offset += 4;
1065         print_file(file, 2, "NdrFcShort(0x%x), /* offset = %d (%u) */\n",
1066                    array_offset - *typestring_offset,
1067                    array_offset - *typestring_offset,
1068                    array_offset);
1069         *typestring_offset += 2;
1070
1071         if (type->type == RPC_FC_CPSTRUCT)
1072         {
1073             print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
1074             print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
1075             *typestring_offset += 2;
1076             *typestring_offset += write_pointer_description(file, NULL,
1077                 type, 0, NULL, 0, pointer_offset);
1078             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1079             *typestring_offset += 1;
1080         }
1081
1082         print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1083         *typestring_offset += 1;
1084
1085         return start_offset;
1086     case RPC_FC_CVSTRUCT:
1087         total_size = type_memsize(type, 0, NULL);
1088
1089         if (total_size > USHRT_MAX)
1090             error("structure size for parameter %s exceeds %d bytes by %d bytes\n",
1091                   name, USHRT_MAX, total_size - USHRT_MAX);
1092
1093         array = find_array_or_string_in_struct(type);
1094         current_structure = type;
1095         if (is_attr(array->attrs, ATTR_STRING))
1096             array_offset = write_string_tfs(file, array->attrs, array->type,
1097                                             array->array, array->name,
1098                                             typestring_offset);
1099         else
1100             array_offset = write_array_tfs(file, array->attrs, array->type,
1101                                            array->array, array->name,
1102                                            typestring_offset);
1103         current_structure = NULL;
1104
1105         pointer_offset = *typestring_offset;
1106         if (!write_pointers(file, NULL, type, 0, NULL, 0, typestring_offset))
1107             pointer_offset = 0;
1108
1109         start_offset = *typestring_offset;
1110         WRITE_FCTYPE(file, FC_CVSTRUCT, *typestring_offset);
1111         /* alignment */
1112         print_file(file, 2, "0x0,\n");
1113         /* total size */
1114         print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", total_size, total_size);
1115         *typestring_offset += 4;
1116         print_file(file, 2, "NdrFcShort(0x%x), /* offset = %d (%u) */\n",
1117                    array_offset - *typestring_offset,
1118                    array_offset - *typestring_offset,
1119                    array_offset);
1120         *typestring_offset += 2;
1121
1122         if (pointer_offset != 0)
1123         {
1124             print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
1125             print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
1126             *typestring_offset += 2;
1127             *typestring_offset += write_pointer_description(file, NULL,
1128                 type, 0, NULL, 0, pointer_offset);
1129             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1130             *typestring_offset += 1;
1131         }
1132
1133         print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1134         *typestring_offset += 1;
1135
1136         return start_offset;
1137     default:
1138         error("write_struct_tfs: Unimplemented for type 0x%x\n", type->type);
1139         return *typestring_offset;
1140     }
1141 }
1142
1143 static void write_pointer_only_tfs(FILE *file, const attr_t *attrs, size_t offset, size_t *typeformat_offset)
1144 {
1145     int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
1146     if (!pointer_type) pointer_type = RPC_FC_RP;
1147
1148     print_file(file, 2, "0x%x, 0x00,    /* %s */\n",
1149                pointer_type,
1150                pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP"));
1151     print_file(file, 2, "NdrFcShort(0x%x),    /* %d */\n", offset, offset);
1152     *typeformat_offset += 4;
1153 }
1154
1155 static size_t write_union_tfs(FILE *file, const attr_t *attrs,
1156                               const type_t *type, const char *name,
1157                               size_t *typeformat_offset)
1158 {
1159     error("write_union_tfs: Unimplemented\n");
1160     return *typeformat_offset;
1161 }
1162
1163 static size_t write_typeformatstring_var(FILE *file, int indent,
1164     const var_t *var, size_t *typeformat_offset)
1165 {
1166     const type_t *type = var->type;
1167     int ptr_level = var->ptr_level;
1168
1169     chat("write_typeformatstring_var: %s\n", var->name);
1170
1171     while (TRUE)
1172     {
1173         chat("write_typeformatstring: type->type = 0x%x, type->name = %s, ptr_level = %d\n", type->type, type->name, ptr_level);
1174
1175         if (is_string_type(var->attrs, ptr_level, var->array))
1176             return write_string_tfs(file, var->attrs, type, var->array, var->name, typeformat_offset);
1177
1178         if (is_array_type(var->attrs, ptr_level, var->array))
1179             return write_array_tfs(file, var->attrs, type, var->array, var->name, typeformat_offset);
1180
1181         if (ptr_level == 0)
1182         {
1183             /* follow reference if the type has one */
1184             if (type_has_ref(type))
1185             {
1186                 type = type->ref;
1187                 /* FIXME: get new ptr_level from type */
1188                 continue;
1189             }
1190
1191             /* basic types don't need a type format string */
1192             if (is_base_type(type->type))
1193                 return 0;
1194
1195             switch (type->type)
1196             {
1197             case RPC_FC_STRUCT:
1198             case RPC_FC_PSTRUCT:
1199             case RPC_FC_CSTRUCT:
1200             case RPC_FC_CPSTRUCT:
1201             case RPC_FC_CVSTRUCT:
1202             case RPC_FC_BOGUS_STRUCT:
1203                 return write_struct_tfs(file, type, var->name, typeformat_offset);
1204             case RPC_FC_ENCAPSULATED_UNION:
1205             case RPC_FC_NON_ENCAPSULATED_UNION:
1206                 return write_union_tfs(file, var->attrs, type, var->name, typeformat_offset);
1207             case RPC_FC_IGNORE:
1208             case RPC_FC_BIND_PRIMITIVE:
1209                 /* nothing to do */
1210                 return 0;
1211             default:
1212                 error("write_typeformatstring_var: Unsupported type 0x%x for variable %s\n", type->type, var->name);
1213             }
1214         }
1215         else if (ptr_level == 1 && !type_has_ref(type))
1216         {
1217             size_t start_offset = *typeformat_offset;
1218             int in_attr = is_attr(var->attrs, ATTR_IN);
1219             int out_attr = is_attr(var->attrs, ATTR_OUT);
1220             int pointer_type = get_attrv(var->attrs, ATTR_POINTERTYPE);
1221             if (!pointer_type) pointer_type = RPC_FC_RP;
1222
1223             /* special case for pointers to base types */
1224             switch (type->type)
1225             {
1226 #define CASE_BASETYPE(fctype) \
1227             case RPC_##fctype: \
1228                 print_file(file, indent, "0x%x, 0x%x,    /* %s %s[simple_pointer] */\n", \
1229                            pointer_type, \
1230                            (!in_attr && out_attr) ? 0x0C : 0x08, \
1231                            pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP"), \
1232                            (!in_attr && out_attr) ? "[allocated_on_stack] " : ""); \
1233                 print_file(file, indent, "0x%02x,    /* " #fctype " */\n", RPC_##fctype); \
1234                 print_file(file, indent, "0x5c,          /* FC_PAD */\n"); \
1235                 *typeformat_offset += 4; \
1236                 return start_offset
1237             CASE_BASETYPE(FC_BYTE);
1238             CASE_BASETYPE(FC_CHAR);
1239             CASE_BASETYPE(FC_SMALL);
1240             CASE_BASETYPE(FC_USMALL);
1241             CASE_BASETYPE(FC_WCHAR);
1242             CASE_BASETYPE(FC_SHORT);
1243             CASE_BASETYPE(FC_USHORT);
1244             CASE_BASETYPE(FC_LONG);
1245             CASE_BASETYPE(FC_ULONG);
1246             CASE_BASETYPE(FC_FLOAT);
1247             CASE_BASETYPE(FC_HYPER);
1248             CASE_BASETYPE(FC_DOUBLE);
1249             CASE_BASETYPE(FC_ENUM16);
1250             CASE_BASETYPE(FC_ENUM32);
1251             CASE_BASETYPE(FC_IGNORE);
1252             CASE_BASETYPE(FC_ERROR_STATUS_T);
1253             default:
1254                 break;
1255             }
1256         }
1257
1258         assert(ptr_level > 0);
1259
1260         if (file)
1261             fprintf(file, "/* %2u */\n", *typeformat_offset);
1262         write_pointer_only_tfs(file, var->attrs, 2, typeformat_offset);
1263
1264         ptr_level--;
1265     }
1266 }
1267
1268
1269 void write_typeformatstring(FILE *file, type_t *iface)
1270 {
1271     int indent = 0;
1272     var_t *var;
1273     size_t typeformat_offset;
1274
1275     print_file(file, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =\n");
1276     print_file(file, indent, "{\n");
1277     indent++;
1278     print_file(file, indent, "0,\n");
1279     print_file(file, indent, "{\n");
1280     indent++;
1281     print_file(file, indent, "NdrFcShort(0x0),\n");
1282     typeformat_offset = 2;
1283
1284     if (iface->funcs)
1285     {
1286         func_t *func = iface->funcs;
1287         while (NEXT_LINK(func)) func = NEXT_LINK(func);
1288         for (; func; func = PREV_LINK(func))
1289         {
1290             current_func = func;
1291             if (func->args)
1292             {
1293                 var = func->args;
1294                 while (NEXT_LINK(var)) var = NEXT_LINK(var);
1295                 while (var)
1296                 {
1297                     write_typeformatstring_var(file, indent, var,
1298                                                &typeformat_offset);
1299                     var = PREV_LINK(var);
1300                 }
1301             }
1302         }
1303     }
1304
1305     print_file(file, indent, "0x0\n");
1306     indent--;
1307     print_file(file, indent, "}\n");
1308     indent--;
1309     print_file(file, indent, "};\n");
1310     print_file(file, indent, "\n");
1311 }
1312
1313 static unsigned int get_required_buffer_size_type(
1314     const type_t *type, int ptr_level, const expr_t *array,
1315     const char *name, unsigned int *alignment)
1316 {
1317     *alignment = 0;
1318     if (ptr_level == 0 && !array && !type_has_ref(type))
1319     {
1320         switch (type->type)
1321         {
1322         case RPC_FC_BYTE:
1323         case RPC_FC_CHAR:
1324         case RPC_FC_USMALL:
1325         case RPC_FC_SMALL:
1326             *alignment = 4;
1327             return 1;
1328
1329         case RPC_FC_WCHAR:
1330         case RPC_FC_USHORT:
1331         case RPC_FC_SHORT:
1332             *alignment = 4;
1333             return 2;
1334
1335         case RPC_FC_ULONG:
1336         case RPC_FC_LONG:
1337         case RPC_FC_FLOAT:
1338         case RPC_FC_ERROR_STATUS_T:
1339             *alignment = 4;
1340             return 4;
1341
1342         case RPC_FC_HYPER:
1343         case RPC_FC_DOUBLE:
1344             *alignment = 8;
1345             return 8;
1346
1347         case RPC_FC_IGNORE:
1348         case RPC_FC_BIND_PRIMITIVE:
1349             return 0;
1350
1351         case RPC_FC_STRUCT:
1352         {
1353             size_t size = 0;
1354             const var_t *field;
1355             for (field = type->fields; field; field = NEXT_LINK(field))
1356             {
1357                 unsigned int alignment;
1358                 size += get_required_buffer_size_type(
1359                     field->type, field->ptr_level, field->array, field->name,
1360                     &alignment);
1361             }
1362             return size;
1363         }
1364
1365         default:
1366             error("get_required_buffer_size: Unknown/unsupported type: %s (0x%02x)\n", name, type->type);
1367             return 0;
1368         }
1369     }
1370     if (ptr_level == 0 && type_has_ref(type))
1371         return get_required_buffer_size_type(type->ref, 0 /* FIXME */, array, name, alignment);
1372     return 0;
1373 }
1374
1375 unsigned int get_required_buffer_size(const var_t *var, unsigned int *alignment)
1376 {
1377     int in_attr = is_attr(var->attrs, ATTR_IN);
1378     int out_attr = is_attr(var->attrs, ATTR_OUT);
1379
1380     if (!in_attr && !out_attr)
1381         in_attr = 1;
1382
1383     if ((!out_attr || in_attr) && !is_attr(var->attrs, ATTR_STRING) && !var->array)
1384     {
1385         if (var->ptr_level > 0 || (var->ptr_level == 0 && type_has_ref(var->type)))
1386         {
1387             type_t *type = var->type;
1388             while (type->type == 0 && type->ref)
1389                 type = type->ref;
1390
1391             if (is_base_type(type->type))
1392                 return 25;
1393         }
1394     }
1395
1396     return get_required_buffer_size_type(var->type, var->ptr_level, var->array, var->name, alignment);
1397 }
1398
1399 static inline const char *function_from_phase(enum remoting_phase phase)
1400 {
1401     switch (phase)
1402     {
1403     case PHASE_BUFFERSIZE:
1404         return "BufferSize";
1405     case PHASE_MARSHAL:
1406         return "Marshall";
1407     case PHASE_UNMARSHAL:
1408         return "Unmarshall";
1409     case PHASE_FREE:
1410         return "Free";
1411     }
1412     return NULL;
1413 }
1414
1415 /* returns whether the MaxCount, Offset or ActualCount members need to be
1416  * filled in for the specified phase */
1417 static inline int is_size_needed_for_phase(enum remoting_phase phase)
1418 {
1419     return (phase != PHASE_UNMARSHAL);
1420 }
1421
1422 void write_remoting_arguments(FILE *file, int indent, const func_t *func,
1423                               unsigned int *type_offset, enum pass pass,
1424                               enum remoting_phase phase)
1425 {
1426     const expr_t *length_is;
1427     const expr_t *size_is;
1428     int in_attr, out_attr, has_length, has_size, pointer_type;
1429     var_t *var;
1430
1431     if (!func->args)
1432         return;
1433
1434     var = func->args;
1435     while (NEXT_LINK(var)) var = NEXT_LINK(var);
1436     for (; var; *type_offset += get_size_typeformatstring_var(var), var = PREV_LINK(var))
1437     {
1438         const type_t *type = var->type;
1439         length_is = get_attrp(var->attrs, ATTR_LENGTHIS);
1440         size_is = get_attrp(var->attrs, ATTR_SIZEIS);
1441         has_length = length_is && (length_is->type != EXPR_VOID);
1442         has_size = (size_is && (size_is->type != EXPR_VOID)) || (var->array && !var->array->is_const);
1443
1444         pointer_type = get_attrv(var->attrs, ATTR_POINTERTYPE);
1445         if (!pointer_type)
1446             pointer_type = RPC_FC_RP;
1447
1448         in_attr = is_attr(var->attrs, ATTR_IN);
1449         out_attr = is_attr(var->attrs, ATTR_OUT);
1450         if (!in_attr && !out_attr)
1451             in_attr = 1;
1452
1453         switch (pass)
1454         {
1455         case PASS_IN:
1456             if (!in_attr)
1457                 continue;
1458             break;
1459         case PASS_OUT:
1460             if (!out_attr)
1461                 continue;
1462             break;
1463         case PASS_RETURN:
1464             break;
1465         }
1466
1467         while (type_has_ref(type))
1468             type = type->ref;
1469
1470         if (is_string_type(var->attrs, var->ptr_level, var->array))
1471         {
1472             if (var->array && var->array->is_const)
1473                 print_file(file, indent,
1474                            "NdrNonConformantString%s(&_StubMsg, (unsigned char *)%s, &__MIDL_TypeFormatString.Format[%d]);\n",
1475                            function_from_phase(phase), var->name, *type_offset);
1476             else
1477             {
1478                 if (size_is && is_size_needed_for_phase(phase))
1479                 {
1480                     print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)");
1481                     write_expr(file, size_is, 1);
1482                     fprintf(file, ";\n");
1483                 }
1484
1485                 if (phase == PHASE_FREE)
1486                 {
1487                     print_file(file, indent, "NdrPointerFree(\n");
1488                     indent++;
1489                     print_file(file, indent, "&_StubMsg,\n");
1490                     print_file(file, indent, "(unsigned char *)%s,\n", var->name);
1491                     print_file(file, indent, "&__MIDL_TypeFormatString.Format[%d]);\n",
1492                                *type_offset);
1493                     indent--;
1494                 }
1495                 else
1496                 {
1497                     print_file(file, indent, "NdrConformantString%s(\n", function_from_phase(phase));
1498                     indent++;
1499                     print_file(file, indent, "(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
1500                     print_file(file, indent, "(unsigned char *)%s,\n", var->name);
1501                     print_file(file, indent, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]%s\n",
1502                                *type_offset + (has_size ? 4 : 2),
1503                                (phase == PHASE_MARSHAL) ? ");" : ",");
1504                     if (phase == PHASE_UNMARSHAL)
1505                         print_file(file, indent, "(unsigned char)0);\n");
1506                     indent--;
1507                 }
1508             }
1509         }
1510         else if (is_array_type(var->attrs, var->ptr_level, var->array))
1511         {
1512             const char *array_type;
1513
1514             if (var->array && NEXT_LINK(var->array)) /* multi-dimensional array */
1515                 array_type = "ComplexArray";
1516             else
1517             {
1518                 if (!has_length && !has_size)
1519                     array_type = "FixedArray";
1520                 else if (has_length && !has_size)
1521                 {
1522                     if (is_size_needed_for_phase(phase))
1523                     {
1524                         print_file(file, indent, "_StubMsg.Offset = (unsigned long)0;\n"); /* FIXME */
1525                         print_file(file, indent, "_StubMsg.ActualCount = (unsigned long)");
1526                         write_expr(file, length_is, 1);
1527                         fprintf(file, ";\n\n");
1528                     }
1529                     array_type = "VaryingArray";
1530                 }
1531                 else if (!has_length && has_size)
1532                 {
1533                     if (is_size_needed_for_phase(phase))
1534                     {
1535                         print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)");
1536                         write_expr(file, size_is ? size_is : var->array, 1);
1537                         fprintf(file, ";\n\n");
1538                     }
1539                     array_type = "ConformantArray";
1540                 }
1541                 else
1542                 {
1543                     if (is_size_needed_for_phase(phase))
1544                     {
1545                         print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)");
1546                         write_expr(file, size_is ? size_is : var->array, 1);
1547                         fprintf(file, ";\n");
1548                         print_file(file, indent, "_StubMsg.Offset = (unsigned long)0;\n"); /* FIXME */
1549                         print_file(file, indent, "_StubMsg.ActualCount = (unsigned long)");
1550                         write_expr(file, length_is, 1);
1551                         fprintf(file, ";\n\n");
1552                     }
1553                     array_type = "ConformantVaryingArray";
1554                 }
1555             }
1556
1557             print_file(file, indent,
1558                        "Ndr%s%s(&_StubMsg, (unsigned char *)%s, &__MIDL_TypeFormatString.Format[%d]);\n",
1559                        array_type, function_from_phase(phase), var->name,
1560                        *type_offset);
1561         }
1562         else if (var->ptr_level == 0 && is_base_type(type->type))
1563         {
1564             unsigned int size;
1565             unsigned int alignment = 0;
1566             switch (type->type)
1567             {
1568             case RPC_FC_BYTE:
1569             case RPC_FC_CHAR:
1570             case RPC_FC_SMALL:
1571             case RPC_FC_USMALL:
1572                 size = 1;
1573                 alignment = 1;
1574                 break;
1575
1576             case RPC_FC_WCHAR:
1577             case RPC_FC_USHORT:
1578             case RPC_FC_SHORT:
1579                 size = 2;
1580                 alignment = 2;
1581                 break;
1582
1583             case RPC_FC_ULONG:
1584             case RPC_FC_LONG:
1585             case RPC_FC_FLOAT:
1586             case RPC_FC_ERROR_STATUS_T:
1587                 size = 4;
1588                 alignment = 4;
1589                 break;
1590
1591             case RPC_FC_HYPER:
1592             case RPC_FC_DOUBLE:
1593                 size = 8;
1594                 alignment = 8;
1595                 break;
1596
1597             case RPC_FC_IGNORE:
1598             case RPC_FC_BIND_PRIMITIVE:
1599                 /* no marshalling needed */
1600                 continue;
1601
1602             default:
1603                 error("write_remoting_arguments: Unsupported type: %s (0x%02x, ptr_level: 0)\n", var->name, type->type);
1604                 size = 0;
1605             }
1606
1607             if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
1608             {
1609                 print_file(file, indent, "_StubMsg.Buffer += (unsigned char *)(((long)_StubMsg.Buffer + %u) & ~0x%x);\n",
1610                            alignment - 1, alignment - 1);
1611
1612                 if (phase == PHASE_MARSHAL)
1613                 {
1614                     print_file(file, indent, "*(");
1615                     write_type(file, var->type, var, var->tname);
1616                     fprintf(file, " *)_StubMsg.Buffer = ");
1617                     write_name(file, var);
1618                     fprintf(file, ";\n");
1619                 }
1620                 else if (phase == PHASE_UNMARSHAL)
1621                 {
1622                     print_file(file, indent, "");
1623                     write_name(file, var);
1624                     fprintf(file, " = *(");
1625                     write_type(file, var->type, var, var->tname);
1626                     fprintf(file, " *)_StubMsg.Buffer;\n");
1627                 }
1628                 else
1629                     error("write_remoting_arguments: Unimplemented for base types for phase %d\n", phase);
1630
1631                 print_file(file, indent, "_StubMsg.Buffer += sizeof(");
1632                 write_type(file, var->type, var, var->tname);
1633                 fprintf(file, ");\n");
1634             }
1635         }
1636         else if (var->ptr_level == 0)
1637         {
1638             const char *ndrtype;
1639
1640             switch (type->type)
1641             {
1642             case RPC_FC_STRUCT:
1643                 ndrtype = "SimpleStruct";
1644                 break;
1645             case RPC_FC_CSTRUCT:
1646             case RPC_FC_CPSTRUCT:
1647                 ndrtype = "ConformantStruct";
1648                 break;
1649             case RPC_FC_CVSTRUCT:
1650                 ndrtype = "ConformantVaryingStruct";
1651                 break;
1652             case RPC_FC_BOGUS_STRUCT:
1653                 ndrtype = "ComplexStruct";
1654                 break;
1655             default:
1656                 error("write_remoting_arguments: Unsupported type: %s (0x%02x, ptr_level: %d)\n",
1657                     var->name, type->type, var->ptr_level);
1658                 ndrtype = NULL;
1659             }
1660
1661             print_file(file, indent,
1662                 "Ndr%s%s(&_StubMsg, (unsigned char *)%s, &__MIDL_TypeFormatString.Format[%d]);\n",
1663                 ndrtype, function_from_phase(phase), var->name, *type_offset);
1664         }
1665         else
1666         {
1667             if ((var->ptr_level == 1) && (pointer_type == RPC_FC_RP) && is_base_type(type->type))
1668             {
1669                 unsigned int size;
1670                 switch (type->type)
1671                 {
1672                 case RPC_FC_BYTE:
1673                 case RPC_FC_CHAR:
1674                 case RPC_FC_SMALL:
1675                 case RPC_FC_USMALL:
1676                     size = 1;
1677                     break;
1678
1679                 case RPC_FC_WCHAR:
1680                 case RPC_FC_USHORT:
1681                 case RPC_FC_SHORT:
1682                     size = 2;
1683                     break;
1684
1685                 case RPC_FC_ULONG:
1686                 case RPC_FC_LONG:
1687                 case RPC_FC_FLOAT:
1688                 case RPC_FC_ERROR_STATUS_T:
1689                     size = 4;
1690                     break;
1691
1692                 case RPC_FC_HYPER:
1693                 case RPC_FC_DOUBLE:
1694                     size = 8;
1695                     break;
1696
1697                 case RPC_FC_IGNORE:
1698                 case RPC_FC_BIND_PRIMITIVE:
1699                     /* no marshalling needed */
1700                     continue;
1701
1702                 default:
1703                     error("write_remoting_arguments: Unsupported type: %s (0x%02x, ptr_level: 1)\n", var->name, type->type);
1704                     size = 0;
1705                 }
1706
1707                 if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL)
1708                 {
1709                     print_file(file, indent,
1710                             "_StubMsg.Buffer = (unsigned char *)(((long)_StubMsg.Buffer + %u) & ~0x%x);\n",
1711                             size - 1, size - 1);
1712
1713                     if (phase == PHASE_MARSHAL)
1714                     {
1715                         print_file(file, indent, "*(");
1716                         write_type(file, var->type, NULL, var->tname);
1717                         fprintf(file, " *)_StubMsg.Buffer = *");
1718                         write_name(file, var);
1719                         fprintf(file, ";\n");
1720                     }
1721                     else if (phase == PHASE_UNMARSHAL)
1722                     {
1723                         print_file(file, indent, (pass == PASS_IN) ? "" : "*");
1724                         write_name(file, var);
1725                         fprintf(file, (pass == PASS_IN) ? " = (" : " = *(");
1726                         write_type(file, var->type, NULL, var->tname);
1727                         fprintf(file, " *)_StubMsg.Buffer;\n");
1728                     }
1729
1730                     print_file(file, indent, "_StubMsg.Buffer += sizeof(");
1731                     write_type(file, var->type, NULL, var->tname);
1732                     fprintf(file, ");\n");
1733                 }
1734             }
1735             else
1736             {
1737                 print_file(file, indent, "NdrPointer%s(\n", function_from_phase(phase));
1738                 indent++;
1739                 print_file(file, indent, "(PMIDL_STUB_MESSAGE)&_StubMsg,\n");
1740                 print_file(file, indent, "(unsigned char *)%s,\n", var->name);
1741                 print_file(file, indent, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]%s\n",
1742                            *type_offset, (phase == PHASE_MARSHAL) ? ");" : ",");
1743                 if (phase == PHASE_UNMARSHAL)
1744                     print_file(file, indent, "(unsigned char *)0);\n");
1745                 indent--;
1746             }
1747         }
1748         fprintf(file, "\n");
1749     }
1750 }
1751
1752
1753 size_t get_size_procformatstring_var(const var_t *var)
1754 {
1755     unsigned int type_offset = 2;
1756     return write_procformatstring_var(NULL, 0, var, FALSE, &type_offset);
1757 }
1758
1759
1760 size_t get_size_typeformatstring_var(const var_t *var)
1761 {
1762     size_t type_offset = 0;
1763     write_typeformatstring_var(NULL, 0, var, &type_offset);
1764     return type_offset;
1765 }
1766
1767 size_t get_size_procformatstring(const type_t *iface)
1768 {
1769     size_t size = 1;
1770     func_t *func;
1771     var_t *var;
1772
1773     if (iface->funcs)
1774     {
1775         func = iface->funcs;
1776         while (NEXT_LINK(func)) func = NEXT_LINK(func);
1777         while (func)
1778         {
1779             /* argument list size */
1780             if (func->args)
1781             {
1782                 var = func->args;
1783                 while (NEXT_LINK(var)) var = NEXT_LINK(var);
1784                 while (var)
1785                 {
1786                     size += get_size_procformatstring_var(var);
1787                     var = PREV_LINK(var);
1788                 }
1789             }
1790
1791             /* return value size */
1792             size += 2; /* FIXME: determine real size */
1793             func = PREV_LINK(func);
1794         }
1795     }
1796     return size;
1797 }
1798
1799 size_t get_size_typeformatstring(const type_t *iface)
1800 {
1801     size_t size = 3;
1802     func_t *func;
1803     var_t *var;
1804
1805     if (iface->funcs)
1806     {
1807         func = iface->funcs;
1808         while (NEXT_LINK(func)) func = NEXT_LINK(func);
1809         while (func)
1810         {
1811             /* argument list size */
1812             if (func->args)
1813             {
1814                 var = func->args;
1815                 while (NEXT_LINK(var)) var = NEXT_LINK(var);
1816                 while (var)
1817                 {
1818                     size += get_size_typeformatstring_var(var);
1819                     var = PREV_LINK(var);
1820                 }
1821             }
1822
1823             func = PREV_LINK(func);
1824         }
1825     }
1826     return size;
1827 }
1828
1829 static void write_struct_expr(FILE *h, const expr_t *e, int brackets,
1830                               const var_t *fields, const char *structvar)
1831 {
1832     switch (e->type) {
1833         case EXPR_VOID:
1834             break;
1835         case EXPR_NUM:
1836             fprintf(h, "%ld", e->u.lval);
1837             break;
1838         case EXPR_HEXNUM:
1839             fprintf(h, "0x%lx", e->u.lval);
1840             break;
1841         case EXPR_IDENTIFIER:
1842         {
1843             const var_t *field;
1844             for (field = fields; field; field = NEXT_LINK(field))
1845             {
1846                 if (!strcmp(e->u.sval, field->name))
1847                 {
1848                     fprintf(h, "%s->%s", structvar, e->u.sval);
1849                     break;
1850                 }
1851             }
1852             if (!field) error("no field found for identifier %s\n", e->u.sval);
1853             break;
1854         }
1855         case EXPR_NEG:
1856             fprintf(h, "-");
1857             write_struct_expr(h, e->ref, 1, fields, structvar);
1858             break;
1859         case EXPR_NOT:
1860             fprintf(h, "~");
1861             write_struct_expr(h, e->ref, 1, fields, structvar);
1862             break;
1863         case EXPR_PPTR:
1864             fprintf(h, "*");
1865             write_struct_expr(h, e->ref, 1, fields, structvar);
1866             break;
1867         case EXPR_CAST:
1868             fprintf(h, "(");
1869             write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
1870             fprintf(h, ")");
1871             write_struct_expr(h, e->ref, 1, fields, structvar);
1872             break;
1873         case EXPR_SIZEOF:
1874             fprintf(h, "sizeof(");
1875             write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
1876             fprintf(h, ")");
1877             break;
1878         case EXPR_SHL:
1879         case EXPR_SHR:
1880         case EXPR_MUL:
1881         case EXPR_DIV:
1882         case EXPR_ADD:
1883         case EXPR_SUB:
1884         case EXPR_AND:
1885         case EXPR_OR:
1886             if (brackets) fprintf(h, "(");
1887             write_struct_expr(h, e->ref, 1, fields, structvar);
1888             switch (e->type) {
1889                 case EXPR_SHL: fprintf(h, " << "); break;
1890                 case EXPR_SHR: fprintf(h, " >> "); break;
1891                 case EXPR_MUL: fprintf(h, " * "); break;
1892                 case EXPR_DIV: fprintf(h, " / "); break;
1893                 case EXPR_ADD: fprintf(h, " + "); break;
1894                 case EXPR_SUB: fprintf(h, " - "); break;
1895                 case EXPR_AND: fprintf(h, " & "); break;
1896                 case EXPR_OR:  fprintf(h, " | "); break;
1897                 default: break;
1898             }
1899             write_struct_expr(h, e->u.ext, 1, fields, structvar);
1900             if (brackets) fprintf(h, ")");
1901             break;
1902         case EXPR_COND:
1903             if (brackets) fprintf(h, "(");
1904             write_struct_expr(h, e->ref, 1, fields, structvar);
1905             fprintf(h, " ? ");
1906             write_struct_expr(h, e->u.ext, 1, fields, structvar);
1907             fprintf(h, " : ");
1908             write_struct_expr(h, e->ext2, 1, fields, structvar);
1909             if (brackets) fprintf(h, ")");
1910             break;
1911     }
1912 }
1913
1914 int write_expr_eval_routines(FILE *file, const char *iface)
1915 {
1916     int result = 0;
1917     struct expr_eval_routine *eval;
1918     unsigned short callback_offset = 0;
1919
1920     LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
1921     {
1922         int indent = 0;
1923         result = 1;
1924         print_file(file, indent, "static void __RPC_USER %s_%sExprEval_%04u(PMIDL_STUB_MESSAGE pStubMsg)\n",
1925                   iface, eval->structure->name, callback_offset);
1926         print_file(file, indent, "{\n");
1927         indent++;
1928         print_file(file, indent, "struct %s *" STRUCT_EXPR_EVAL_VAR " = (struct %s *)(pStubMsg->StackTop - %u);\n",
1929                    eval->structure->name, eval->structure->name, eval->structure_size);
1930         fprintf(file, "\n");
1931         print_file(file, indent, "pStubMsg->Offset = 0;\n"); /* FIXME */
1932         print_file(file, indent, "pStubMsg->MaxCount = (unsigned long)");
1933         write_struct_expr(file, eval->expr, 1, eval->structure->fields, STRUCT_EXPR_EVAL_VAR);
1934         fprintf(file, ";\n");
1935         indent--;
1936         print_file(file, indent, "}\n\n");
1937         callback_offset++;
1938     }
1939     return result;
1940 }
1941
1942 void write_expr_eval_routine_list(FILE *file, const char *iface)
1943 {
1944     struct expr_eval_routine *eval;
1945     struct expr_eval_routine *cursor;
1946     unsigned short callback_offset = 0;
1947
1948     fprintf(file, "static const EXPR_EVAL ExprEvalRoutines[] =\n");
1949     fprintf(file, "{\n");
1950
1951     LIST_FOR_EACH_ENTRY_SAFE(eval, cursor, &expr_eval_routines, struct expr_eval_routine, entry)
1952     {
1953         print_file(file, 1, "%s_%sExprEval_%04u,\n",
1954                    iface, eval->structure->name, callback_offset);
1955
1956         callback_offset++;
1957         list_remove(&eval->entry);
1958         free(eval);
1959     }
1960
1961     fprintf(file, "};\n\n");
1962 }