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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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, const ifref_t *ifaces)
 243 {
 244     const ifref_t *iface = ifaces;
 245     int indent = 0;
 246     var_t *var;
 247     unsigned int type_offset = 2;
 248
 249     print_file(file, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =\n");
 250     print_file(file, indent, "{\n");
 251     indent++;
 252     print_file(file, indent, "0,\n");
 253     print_file(file, indent, "{\n");
 254     indent++;
 255
 256     END_OF_LIST(iface);
 257
 258     for (; iface; iface = PREV_LINK(iface))
 259     {
 260         if (is_object(iface->iface->attrs) || is_local(iface->iface->attrs))
 261             continue;
 262
 263         if (iface->iface->funcs)
 264         {
 265             func_t *func = iface->iface->funcs;
 266             while (NEXT_LINK(func)) func = NEXT_LINK(func);
 267             for (; func; func = PREV_LINK(func))
 268             {
 269                 /* emit argument data */
 270                 if (func->args)
 271                 {
 272                     var = func->args;
 273                     while (NEXT_LINK(var)) var = NEXT_LINK(var);
 274                     while (var)
 275                     {
 276                         write_procformatstring_var(file, indent, var, FALSE,
 277                                                    &type_offset);
 278
 279                         var = PREV_LINK(var);
 280                     }
 281                 }
 282
 283                 /* emit return value data */
 284                 var = func->def;
 285                 if (is_void(var->type, NULL))
 286                 {
 287                     print_file(file, indent, "0x5b,    /* FC_END */\n");
 288                     print_file(file, indent, "0x5c,    /* FC_PAD */\n");
 289                 }
 290                 else
 291                     write_procformatstring_var(file, indent, var, TRUE,
 292                                                &type_offset);
 293             }
 294         }
 295     }
 296
 297     print_file(file, indent, "0x0\n");
 298     indent--;
 299     print_file(file, indent, "}\n");
 300     indent--;
 301     print_file(file, indent, "};\n");
 302     print_file(file, indent, "\n");
 303 }
 304
 305 /* write conformance / variance descriptor */
 306 static size_t write_conf_or_var_desc(FILE *file, const func_t *func, const type_t *structure, const expr_t *expr)
 307 {
 308     unsigned char operator_type = 0;
 309     const char *operator_string = "no operators";
 310     const expr_t *subexpr = expr;
 311     unsigned char correlation_type;
 312
 313     if (!file) return 4; /* optimisation for sizing pass */
 314
 315     if (expr->is_const)
 316     {
 317         if (expr->cval > UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX)
 318             error("write_conf_or_var_desc: constant value %ld is greater than "
 319                   "the maximum constant size of %d\n", expr->cval,
 320                   UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX);
 321
 322         print_file(file, 2, "0x%x, /* Corr desc: constant, val = %ld */\n",
 323                    RPC_FC_CONSTANT_CONFORMANCE, expr->cval);
 324         print_file(file, 2, "0x%x,\n", expr->cval & ~USHRT_MAX);
 325         print_file(file, 2, "NdrFcShort(0x%x),\n", expr->cval & USHRT_MAX);
 326
 327         return 4;
 328     }
 329
 330     switch (subexpr->type)
 331     {
 332     case EXPR_PPTR:
 333         subexpr = subexpr->ref;
 334         operator_type = RPC_FC_DEREFERENCE;
 335         operator_string = "FC_DEREFERENCE";
 336         break;
 337     case EXPR_DIV:
 338         if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
 339         {
 340             subexpr = subexpr->ref;
 341             operator_type = RPC_FC_DIV_2;
 342             operator_string = "FC_DIV_2";
 343         }
 344         break;
 345     case EXPR_MUL:
 346         if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2))
 347         {
 348             subexpr = subexpr->ref;
 349             operator_type = RPC_FC_MULT_2;
 350             operator_string = "FC_MULT_2";
 351         }
 352         break;
 353     case EXPR_SUB:
 354         if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
 355         {
 356             subexpr = subexpr->ref;
 357             operator_type = RPC_FC_SUB_1;
 358             operator_string = "FC_SUB_1";
 359         }
 360         break;
 361     case EXPR_ADD:
 362         if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1))
 363         {
 364             subexpr = subexpr->ref;
 365             operator_type = RPC_FC_ADD_1;
 366             operator_string = "FC_ADD_1";
 367         }
 368         break;
 369     default:
 370         break;
 371     }
 372
 373     if (subexpr->type == EXPR_IDENTIFIER)
 374     {
 375         const type_t *correlation_variable = NULL;
 376         unsigned char param_type = 0;
 377         const char *param_type_string = NULL;
 378         size_t offset;
 379
 380         if (structure)
 381         {
 382             const var_t *var;
 383
 384             for (offset = 0, var = structure->fields; var; var = NEXT_LINK(var))
 385             {
 386                 offset -= type_memsize(var->type, var->ptr_level, var->array);
 387                 if (!strcmp(var->name, subexpr->u.sval))
 388                 {
 389                     correlation_variable = var->type;
 390                     break;
 391                 }
 392             }
 393             if (!correlation_variable)
 394                 error("write_conf_or_var_desc: couldn't find variable %s in structure\n",
 395                       subexpr->u.sval);
 396
 397             correlation_type = RPC_FC_NORMAL_CONFORMANCE;
 398         }
 399         else
 400         {
 401             const var_t *var = func->args;
 402
 403             while (NEXT_LINK(var)) var = NEXT_LINK(var);
 404             /* FIXME: not all stack variables are sizeof(void *) */
 405             for (offset = 0; var; offset += sizeof(void *), var = PREV_LINK(var))
 406             {
 407                 if (!strcmp(var->name, subexpr->u.sval))
 408                 {
 409                     correlation_variable = var->type;
 410                     break;
 411                 }
 412             }
 413             if (!correlation_variable)
 414                 error("write_conf_or_var_desc: couldn't find variable %s in function\n",
 415                     subexpr->u.sval);
 416
 417             correlation_type = RPC_FC_TOP_LEVEL_CONFORMANCE;
 418         }
 419
 420         while (type_has_ref(correlation_variable))
 421             correlation_variable = correlation_variable->ref;
 422
 423         switch (correlation_variable->type)
 424         {
 425         case RPC_FC_CHAR:
 426         case RPC_FC_SMALL:
 427             param_type = RPC_FC_SMALL;
 428             param_type_string = "FC_SMALL";
 429             break;
 430         case RPC_FC_BYTE:
 431         case RPC_FC_USMALL:
 432             param_type = RPC_FC_USMALL;
 433             param_type_string = "FC_USMALL";
 434             break;
 435         case RPC_FC_WCHAR:
 436         case RPC_FC_SHORT:
 437             param_type = RPC_FC_SHORT;
 438             param_type_string = "FC_SHORT";
 439             break;
 440         case RPC_FC_USHORT:
 441             param_type = RPC_FC_USHORT;
 442             param_type_string = "FC_USHORT";
 443             break;
 444         case RPC_FC_LONG:
 445             param_type = RPC_FC_LONG;
 446             param_type_string = "FC_LONG";
 447             break;
 448         case RPC_FC_ULONG:
 449             param_type = RPC_FC_ULONG;
 450             param_type_string = "FC_ULONG";
 451             break;
 452         default:
 453             error("write_conf_or_var_desc: conformance variable type not supported 0x%x\n",
 454                 correlation_variable->type);
 455         }
 456
 457         print_file(file, 2, "0x%x, /* Corr desc: %s%s */\n",
 458                 correlation_type | param_type,
 459                 correlation_type == RPC_FC_TOP_LEVEL_CONFORMANCE ? "parameter, " : "",
 460                 param_type_string);
 461         print_file(file, 2, "0x%x, /* %s */\n", operator_type, operator_string);
 462         print_file(file, 2, "NdrFcShort(0x%x), /* %soffset = %d */\n",
 463                    offset,
 464                    correlation_type == RPC_FC_TOP_LEVEL_CONFORMANCE ? "x86 stack size / " : "",
 465                    offset);
 466     }
 467     else
 468     {
 469         unsigned int callback_offset = 0;
 470
 471         if (structure)
 472         {
 473             struct expr_eval_routine *eval;
 474             int found = 0;
 475
 476             LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
 477             {
 478                 if (!strcmp(eval->structure->name, structure->name) &&
 479                     !compare_expr(eval->expr, expr))
 480                 {
 481                     found = 1;
 482                     break;
 483                 }
 484                 callback_offset++;
 485             }
 486
 487             if (!found)
 488             {
 489                 eval = xmalloc(sizeof(*eval));
 490                 eval->structure = structure;
 491                 eval->structure_size = fields_memsize(structure->fields);
 492                 eval->expr = expr;
 493                 list_add_tail(&expr_eval_routines, &eval->entry);
 494             }
 495
 496             correlation_type = RPC_FC_NORMAL_CONFORMANCE;
 497         }
 498         else
 499         {
 500             error("write_conf_or_var_desc: top-level callback conformance unimplemented\n");
 501             correlation_type = RPC_FC_TOP_LEVEL_CONFORMANCE;
 502         }
 503
 504         if (callback_offset > USHRT_MAX)
 505             error("Maximum number of callback routines reached\n");
 506
 507         print_file(file, 2, "0x%x, /* Corr desc: %s */\n",
 508                    correlation_type,
 509                    correlation_type == RPC_FC_TOP_LEVEL_CONFORMANCE ? "parameter" : "");
 510         print_file(file, 2, "0x%x, /* %s */\n", RPC_FC_CALLBACK, "FC_CALLBACK");
 511         print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", callback_offset, callback_offset);
 512     }
 513     return 4;
 514 }
 515
 516 static size_t fields_memsize(const var_t *v)
 517 {
 518     size_t size = 0;
 519     const var_t *first = v;
 520     if (!v) return 0;
 521     while (NEXT_LINK(v)) v = NEXT_LINK(v);
 522     while (v) {
 523         size += type_memsize(v->type, v->ptr_level, v->array);
 524         if (v == first) break;
 525         v = PREV_LINK(v);
 526     }
 527     return size;
 528 }
 529
 530 static size_t type_memsize(const type_t *t, int ptr_level, const expr_t *array)
 531 {
 532     size_t size = 0;
 533
 534     if (ptr_level)
 535         return sizeof(void *);
 536
 537     if (type_has_ref(t))
 538         return type_memsize(t->ref, 0 /* FIXME */, NULL);
 539
 540     switch (t->type)
 541     {
 542     case RPC_FC_BYTE:
 543     case RPC_FC_CHAR:
 544     case RPC_FC_USMALL:
 545     case RPC_FC_SMALL:
 546         size = 1;
 547         break;
 548     case RPC_FC_WCHAR:
 549     case RPC_FC_USHORT:
 550     case RPC_FC_SHORT:
 551     case RPC_FC_ENUM16:
 552         size = 2;
 553         break;
 554     case RPC_FC_ULONG:
 555     case RPC_FC_LONG:
 556     case RPC_FC_ERROR_STATUS_T:
 557     case RPC_FC_ENUM32:
 558     case RPC_FC_FLOAT:
 559         size = 4;
 560         break;
 561     case RPC_FC_HYPER:
 562     case RPC_FC_DOUBLE:
 563         size = 8;
 564         break;
 565     case RPC_FC_STRUCT:
 566     case RPC_FC_CVSTRUCT:
 567     case RPC_FC_CPSTRUCT:
 568     case RPC_FC_CSTRUCT:
 569     case RPC_FC_PSTRUCT:
 570     case RPC_FC_BOGUS_STRUCT:
 571     case RPC_FC_ENCAPSULATED_UNION:
 572     case RPC_FC_NON_ENCAPSULATED_UNION:
 573         size = fields_memsize(t->fields);
 574         break;
 575     default:
 576         error("type_memsize: Unknown type %d\n", t->type);
 577         size = 0;
 578     }
 579
 580     if (array)
 581     {
 582         if (array->is_const)
 583             size *= array->cval;
 584         else
 585             size = 0;
 586     }
 587
 588     return size;
 589 }
 590
 591 size_t get_type_memsize(const type_t *type)
 592 {
 593     return type_memsize(type, 0, NULL);
 594 }
 595
 596 static int write_pointers(FILE *file, const attr_t *attrs,
 597                           const type_t *type, int ptr_level,
 598                           const expr_t *array, int level,
 599                           unsigned int *typestring_offset)
 600 {
 601     int pointers_written = 0;
 602     const var_t *v;
 603
 604     /* don't generate a pointer for first-level arrays since we want to
 605     * descend into them to write their pointers, not stop here */
 606     if ((level == 0 || ptr_level == 0) && is_array_type(attrs, ptr_level, array))
 607     {
 608         return write_pointers(file, NULL, type, 0, NULL, level + 1, typestring_offset);
 609     }
 610
 611     if (ptr_level != 0)
 612     {
 613         /* FIXME: only general algorithm implemented, not the actual writing */
 614         error("write_pointers: Writing type format string for pointer is unimplemented\n");
 615         return 1;
 616     }
 617
 618     /* FIXME: search through all refs for pointers too */
 619     while(type_has_ref(type))
 620         type = type->ref;
 621
 622     switch (type->type)
 623     {
 624         /* note: don't descend into complex structures or unions since these
 625          * will always be generated as a separate type */
 626         case RPC_FC_STRUCT:
 627         case RPC_FC_CVSTRUCT:
 628         case RPC_FC_CPSTRUCT:
 629         case RPC_FC_CSTRUCT:
 630         case RPC_FC_PSTRUCT:
 631             v = type->fields;
 632             if (!v) break;
 633             while (NEXT_LINK(v)) v = NEXT_LINK(v);
 634             for (; v; v = PREV_LINK(v))
 635                 pointers_written += write_pointers(file, v->attrs, v->type,
 636                                                    v->ptr_level, v->array,
 637                                                    level + 1,
 638                                                    typestring_offset);
 639
 640             break;
 641
 642         default:
 643             /* nothing to do */
 644             break;
 645     }
 646
 647     return pointers_written;
 648 }
 649
 650 static size_t write_pointer_description(FILE *file, const attr_t *attrs,
 651                                         const type_t *type, int ptr_level,
 652                                         const expr_t *array, int level,
 653                                         size_t typestring_offset)
 654 {
 655     size_t size = 0;
 656     const var_t *v;
 657
 658     /* don't generate a pointer for first-level arrays since we want to
 659      * descend into them to write their pointers, not stop here */
 660     if ((level == 0 || ptr_level == 0) && is_array_type(attrs, ptr_level, array))
 661     {
 662         return write_pointer_description(file, NULL, type, 0, NULL,
 663                                          level + 1, typestring_offset);
 664     }
 665
 666     if (ptr_level != 0)
 667     {
 668         /* FIXME: only general algorithm implemented, not the actual writing */
 669         error("write_pointer_description: Writing pointer description is unimplemented\n");
 670         return 0;
 671     }
 672
 673     /* FIXME: search through all refs for pointers too */
 674
 675     switch (type->type)
 676     {
 677         /* note: don't descend into complex structures or unions since these
 678          * will always be generated as a separate type */
 679         case RPC_FC_STRUCT:
 680         case RPC_FC_CVSTRUCT:
 681         case RPC_FC_CPSTRUCT:
 682         case RPC_FC_CSTRUCT:
 683         case RPC_FC_PSTRUCT:
 684             v = type->fields;
 685             if (!v) break;
 686             while (NEXT_LINK(v)) v = NEXT_LINK(v);
 687             for (; v; v = PREV_LINK(v))
 688                 size += write_pointer_description(file, v->attrs, v->type,
 689                                                   v->ptr_level, v->array,
 690                                                   level + 1,
 691                                                   typestring_offset);
 692
 693             break;
 694
 695         default:
 696             /* nothing to do */
 697             break;
 698     }
 699
 700     return size;
 701 }
 702
 703 static size_t write_string_tfs(FILE *file, const attr_t *attrs,
 704                                const type_t *type, const expr_t *array,
 705                                const char *name, unsigned int *typestring_offset)
 706 {
 707     const expr_t *size_is = get_attrp(attrs, ATTR_SIZEIS);
 708     int has_size = size_is && (size_is->type != EXPR_VOID);
 709     size_t start_offset = *typestring_offset;
 710     unsigned char flags = 0;
 711     int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
 712     if (!pointer_type)
 713         pointer_type = RPC_FC_RP;
 714
 715     if (!get_attrp(attrs, ATTR_SIZEIS))
 716         flags |= RPC_FC_P_SIMPLEPOINTER;
 717
 718     while (type_has_ref(type))
 719         type = type->ref;
 720
 721     if ((type->type != RPC_FC_BYTE) && (type->type != RPC_FC_CHAR) && (type->type != RPC_FC_WCHAR))
 722     {
 723         error("write_string_tfs: Unimplemented for type 0x%x of name: %s\n", type->type, name);
 724         return start_offset;
 725     }
 726
 727     print_file(file, 2,"0x%x, 0x%x,    /* %s%s */\n",
 728                pointer_type, flags,
 729                pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP"),
 730                (flags & RPC_FC_P_SIMPLEPOINTER) ? " [simple_pointer]" : "");
 731     *typestring_offset += 2;
 732
 733     if (!(flags & RPC_FC_P_SIMPLEPOINTER))
 734     {
 735         print_file(file, 2, "NdrFcShort(0x2),\n");
 736         *typestring_offset += 2;
 737     }
 738
 739     if (array && array->is_const)
 740     {
 741         if (array->cval > USHRT_MAX)
 742             error("array size for parameter %s exceeds %d bytes by %ld bytes\n",
 743                   name, USHRT_MAX, array->cval - USHRT_MAX);
 744
 745         if (type->type == RPC_FC_CHAR)
 746             WRITE_FCTYPE(file, FC_CSTRING, *typestring_offset);
 747         else
 748             WRITE_FCTYPE(file, FC_WSTRING, *typestring_offset);
 749         print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 750         *typestring_offset += 2;
 751
 752         print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", array->cval, array->cval);
 753         *typestring_offset += 2;
 754
 755         return start_offset;
 756     }
 757     else if (has_size)
 758     {
 759         if (type->type == RPC_FC_CHAR)
 760             WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
 761         else
 762             WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
 763         print_file(file, 2, "0x%x, /* FC_STRING_SIZED */\n", RPC_FC_STRING_SIZED);
 764         *typestring_offset += 2;
 765
 766         *typestring_offset += write_conf_or_var_desc(file, current_func, NULL, size_is);
 767
 768         return start_offset;
 769     }
 770     else
 771     {
 772         if (type->type == RPC_FC_CHAR)
 773             WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset);
 774         else
 775             WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset);
 776         print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 777         *typestring_offset += 2;
 778
 779         return start_offset;
 780     }
 781 }
 782
 783 static size_t write_array_tfs(FILE *file, const attr_t *attrs,
 784                               const type_t *type, const expr_t *array,
 785                               const char *name, unsigned int *typestring_offset)
 786 {
 787     const expr_t *length_is = get_attrp(attrs, ATTR_LENGTHIS);
 788     const expr_t *size_is = get_attrp(attrs, ATTR_SIZEIS);
 789     int has_length = length_is && (length_is->type != EXPR_VOID);
 790     int has_size = (size_is && (size_is->type != EXPR_VOID)) || !array->is_const;
 791     size_t start_offset;
 792     int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
 793     if (!pointer_type)
 794         pointer_type = RPC_FC_RP;
 795
 796     print_file(file, 2, "0x%x, 0x00,    /* %s */\n",
 797                pointer_type,
 798                pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP"));
 799     print_file(file, 2, "NdrFcShort(0x2),\n");
 800     *typestring_offset += 4;
 801
 802     if (array && NEXT_LINK(array)) /* multi-dimensional array */
 803     {
 804         error("write_array_tfs: Multi-dimensional arrays not implemented yet (param %s)\n", name);
 805         return 0;
 806     }
 807     else
 808     {
 809         size_t pointer_start_offset = *typestring_offset;
 810         int has_pointer = 0;
 811
 812         if (write_pointers(file, attrs, type, 0, array, 0, typestring_offset) > 0)
 813             has_pointer = 1;
 814
 815         start_offset = *typestring_offset;
 816
 817         if (!has_length && !has_size)
 818         {
 819             /* fixed array */
 820             size_t size = type_memsize(type, 0, array);
 821             if (size < USHRT_MAX)
 822             {
 823                 WRITE_FCTYPE(file, FC_SMFARRAY, *typestring_offset);
 824                 /* alignment */
 825                 print_file(file, 2, "0x%x, /* 0 */\n", 0);
 826                 /* size */
 827                 print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", size, size);
 828                 *typestring_offset += 4;
 829             }
 830             else
 831             {
 832                 WRITE_FCTYPE(file, FC_LGFARRAY, *typestring_offset);
 833                 /* alignment */
 834                 print_file(file, 2, "0x%x, /* 0 */\n", 0);
 835                 /* size */
 836                 print_file(file, 2, "NdrFcLong(0x%x), /* %d */\n", size, size);
 837                 *typestring_offset += 6;
 838             }
 839
 840             if (has_pointer)
 841             {
 842                 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
 843                 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 844                 *typestring_offset += 2;
 845                 *typestring_offset = write_pointer_description(file, attrs,
 846                     type, 0, array, 0, pointer_start_offset);
 847                 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 848                 *typestring_offset += 1;
 849             }
 850
 851             print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n");
 852             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 853             *typestring_offset += 2;
 854
 855             return start_offset;
 856         }
 857         else if (has_length && !has_size)
 858         {
 859             /* varying array */
 860             size_t element_size = type_memsize(type, 0, NULL);
 861             size_t elements = array->cval;
 862             size_t total_size = element_size * elements;
 863
 864             if (total_size < USHRT_MAX)
 865             {
 866                 WRITE_FCTYPE(file, FC_SMVARRAY, *typestring_offset);
 867                 /* alignment */
 868                 print_file(file, 2, "0x%x, /* 0 */\n", 0);
 869                 /* total size */
 870                 print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", total_size, total_size);
 871                 /* number of elements */
 872                 print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", elements, elements);
 873                 *typestring_offset += 6;
 874             }
 875             else
 876             {
 877                 WRITE_FCTYPE(file, FC_LGVARRAY, *typestring_offset);
 878                 /* alignment */
 879                 print_file(file, 2, "0x%x, /* 0 */\n", 0);
 880                 /* total size */
 881                 print_file(file, 2, "NdrFcLong(0x%x), /* %d */\n", total_size, total_size);
 882                 /* number of elements */
 883                 print_file(file, 2, "NdrFcLong(0x%x), /* %d */\n", elements, elements);
 884                 *typestring_offset += 10;
 885             }
 886             /* element size */
 887             print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", element_size, element_size);
 888             *typestring_offset += 2;
 889
 890             *typestring_offset += write_conf_or_var_desc(file, current_func,
 891                                                          current_structure,
 892                                                          length_is);
 893
 894             if (has_pointer)
 895             {
 896                 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
 897                 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 898                 *typestring_offset += 2;
 899                 *typestring_offset += write_pointer_description(file, attrs,
 900                     type, 0, array, 0, pointer_start_offset);
 901                 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 902                 *typestring_offset += 1;
 903             }
 904
 905             print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n");
 906             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 907             *typestring_offset += 2;
 908
 909             return start_offset;
 910         }
 911         else if (!has_length && has_size)
 912         {
 913             /* conformant array */
 914             size_t element_size = type_memsize(type, 0, NULL);
 915
 916             WRITE_FCTYPE(file, FC_CARRAY, *typestring_offset);
 917             /* alignment */
 918             print_file(file, 2, "0x%x, /* 0 */\n", 0);
 919             /* element size */
 920             print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", element_size, element_size);
 921             *typestring_offset += 4;
 922
 923             *typestring_offset += write_conf_or_var_desc(file, current_func,
 924                                                          current_structure,
 925                                                          size_is ? size_is : array);
 926
 927             if (has_pointer)
 928             {
 929                 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
 930                 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 931                 *typestring_offset += 2;
 932                 *typestring_offset += write_pointer_description(file, attrs,
 933                     type, 0, array, 0, pointer_start_offset);
 934                 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 935                 *typestring_offset += 1;
 936             }
 937
 938             print_file(file, 2, "0x%x, /* FIXME: write out conversion data */\n", type->type);
 939             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 940             *typestring_offset += 2;
 941
 942             return start_offset;
 943         }
 944         else
 945         {
 946             /* conformant varying array */
 947             size_t element_size = type_memsize(type, 0, NULL);
 948
 949             WRITE_FCTYPE(file, FC_CVARRAY, *typestring_offset);
 950             /* alignment */
 951             print_file(file, 2, "0x%x, /* 0 */\n", 0);
 952             /* element size */
 953             print_file(file, 2, "NdrFcShort(0x%x), /* %d */\n", element_size, element_size);
 954             *typestring_offset += 4;
 955
 956             *typestring_offset += write_conf_or_var_desc(file, current_func,
 957                                                          current_structure,
 958                                                          size_is ? size_is : array);
 959             *typestring_offset += write_conf_or_var_desc(file, current_func,
 960                                                          current_structure,
 961                                                          length_is);
 962
 963             if (has_pointer)
 964             {
 965                 print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
 966                 print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
 967                 *typestring_offset += 2;
 968                 *typestring_offset += write_pointer_description(file, attrs,
 969                     type, 0, array, 0, pointer_start_offset);
 970                 print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 971                 *typestring_offset += 1;
 972             }
 973
 974             print_file(file, 2, "0x0, /* FIXME: write out conversion data */\n");
 975             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
 976             *typestring_offset += 2;
 977
 978             return start_offset;
 979         }
 980     }
 981 }
 982
 983 static const var_t *find_array_or_string_in_struct(const type_t *type)
 984 {
 985     /* last field is the first in the fields linked list */
 986     const var_t *last_field = type->fields;
 987     if (is_array_type(last_field->attrs, last_field->ptr_level, last_field->array))
 988         return last_field;
 989
 990     assert((last_field->type->type == RPC_FC_CSTRUCT) ||
 991            (last_field->type->type == RPC_FC_CPSTRUCT) ||
 992            (last_field->type->type == RPC_FC_CVSTRUCT));
 993
 994     return find_array_or_string_in_struct(last_field->type);
 995 }
 996
 997 static size_t write_struct_members(FILE *file, const type_t *type)
 998 {
 999     size_t typestring_size = 0;
1000     var_t *field;
1001
1002     field = type->fields;
1003     while (NEXT_LINK(field)) field = NEXT_LINK(field);
1004     for (; field; field = PREV_LINK(field))
1005     {
1006         if (is_base_type(field->type->type))
1007         {
1008             switch (field->type->type)
1009             {
1010 #define CASE_BASETYPE(fctype) \
1011             case RPC_##fctype: \
1012                 print_file(file, 2, "0x%02x,\t\t/* " #fctype " */\n", RPC_##fctype); \
1013                 typestring_size++; \
1014                 break;
1015             CASE_BASETYPE(FC_BYTE);
1016             CASE_BASETYPE(FC_CHAR);
1017             CASE_BASETYPE(FC_SMALL);
1018             CASE_BASETYPE(FC_USMALL);
1019             CASE_BASETYPE(FC_WCHAR);
1020             CASE_BASETYPE(FC_SHORT);
1021             CASE_BASETYPE(FC_USHORT);
1022             CASE_BASETYPE(FC_LONG);
1023             CASE_BASETYPE(FC_ULONG);
1024             CASE_BASETYPE(FC_FLOAT);
1025             CASE_BASETYPE(FC_HYPER);
1026             CASE_BASETYPE(FC_DOUBLE);
1027             CASE_BASETYPE(FC_ENUM16);
1028             CASE_BASETYPE(FC_ENUM32);
1029             CASE_BASETYPE(FC_IGNORE);
1030             CASE_BASETYPE(FC_ERROR_STATUS_T);
1031             default:
1032                 break;
1033 #undef CASE_BASETYPE
1034             }
1035         }
1036         else
1037             error("Unsupported member type 0x%x\n", field->type->type);
1038     }
1039
1040     if (typestring_size % 1)
1041     {
1042         print_file(file, 2, "0x%x,\t\t/* FC_PAD */\n", RPC_FC_PAD);
1043         typestring_size++;
1044     }
1045
1046     print_file(file, 2, "0x%x,\t\t/* FC_END */\n", RPC_FC_END);
1047     typestring_size++;
1048
1049     return typestring_size;
1050 }
1051
1052 static size_t write_struct_tfs(FILE *file, const type_t *type,
1053                                const char *name, unsigned int *typestring_offset)
1054 {
1055     unsigned int total_size;
1056     const var_t *array;
1057     size_t start_offset;
1058     size_t array_offset;
1059     size_t pointer_offset;
1060
1061     switch (type->type)
1062     {
1063     case RPC_FC_STRUCT:
1064     case RPC_FC_PSTRUCT:
1065         total_size = type_memsize(type, 0, NULL);
1066
1067         if (total_size > USHRT_MAX)
1068             error("structure size for parameter %s exceeds %d bytes by %d bytes\n",
1069                   name, USHRT_MAX, total_size - USHRT_MAX);
1070
1071         if (type->type == RPC_FC_PSTRUCT)
1072         {
1073             pointer_offset = *typestring_offset;
1074             write_pointers(file, NULL, type, 0, NULL, 0, typestring_offset);
1075         }
1076         else pointer_offset = 0; /* silence warning */
1077
1078         start_offset = *typestring_offset;
1079         if (type->type == RPC_FC_STRUCT)
1080             WRITE_FCTYPE(file, FC_STRUCT, *typestring_offset);
1081         else
1082             WRITE_FCTYPE(file, FC_PSTRUCT, *typestring_offset);
1083         /* alignment */
1084         print_file(file, 2, "0x3,\n"); /* FIXME */
1085         /* total size */
1086         print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", total_size, total_size);
1087         *typestring_offset += 4;
1088
1089         if (type->type == RPC_FC_PSTRUCT)
1090         {
1091             print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
1092             print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
1093             *typestring_offset += 2;
1094             *typestring_offset += write_pointer_description(file, NULL,
1095                 type, 0, NULL, 0, pointer_offset);
1096             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1097             *typestring_offset += 1;
1098         }
1099
1100         /* member layout */
1101         *typestring_offset += write_struct_members(file, type);
1102         return start_offset;
1103     case RPC_FC_CSTRUCT:
1104     case RPC_FC_CPSTRUCT:
1105         total_size = type_memsize(type, 0, NULL);
1106
1107         if (total_size > USHRT_MAX)
1108             error("structure size for parameter %s exceeds %d bytes by %d bytes\n",
1109                   name, USHRT_MAX, total_size - USHRT_MAX);
1110
1111         array = find_array_or_string_in_struct(type);
1112         current_structure = type;
1113         array_offset = write_array_tfs(file, array->attrs, array->type,
1114                                        array->array, array->name,
1115                                        typestring_offset);
1116         current_structure = NULL;
1117
1118         if (type->type == RPC_FC_CPSTRUCT)
1119         {
1120             pointer_offset = *typestring_offset;
1121             write_pointers(file, NULL, type, 0, NULL, 0, typestring_offset);
1122         }
1123         else pointer_offset = 0; /* silence warning */
1124
1125         start_offset = *typestring_offset;
1126         if (type->type == RPC_FC_CSTRUCT)
1127             WRITE_FCTYPE(file, FC_CSTRUCT, *typestring_offset);
1128         else
1129             WRITE_FCTYPE(file, FC_CPSTRUCT, *typestring_offset);
1130         /* alignment */
1131         print_file(file, 2, "0x0,\n");
1132         /* total size */
1133         print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", total_size, total_size);
1134         *typestring_offset += 4;
1135         print_file(file, 2, "NdrFcShort(0x%x), /* offset = %d (%u) */\n",
1136                    array_offset - *typestring_offset,
1137                    array_offset - *typestring_offset,
1138                    array_offset);
1139         *typestring_offset += 2;
1140
1141         if (type->type == RPC_FC_CPSTRUCT)
1142         {
1143             print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
1144             print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
1145             *typestring_offset += 2;
1146             *typestring_offset += write_pointer_description(file, NULL,
1147                 type, 0, NULL, 0, pointer_offset);
1148             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1149             *typestring_offset += 1;
1150         }
1151
1152         print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1153         *typestring_offset += 1;
1154
1155         return start_offset;
1156     case RPC_FC_CVSTRUCT:
1157         total_size = type_memsize(type, 0, NULL);
1158
1159         if (total_size > USHRT_MAX)
1160             error("structure size for parameter %s exceeds %d bytes by %d bytes\n",
1161                   name, USHRT_MAX, total_size - USHRT_MAX);
1162
1163         array = find_array_or_string_in_struct(type);
1164         current_structure = type;
1165         if (is_attr(array->attrs, ATTR_STRING))
1166             array_offset = write_string_tfs(file, array->attrs, array->type,
1167                                             array->array, array->name,
1168                                             typestring_offset);
1169         else
1170             array_offset = write_array_tfs(file, array->attrs, array->type,
1171                                            array->array, array->name,
1172                                            typestring_offset);
1173         current_structure = NULL;
1174
1175         pointer_offset = *typestring_offset;
1176         if (!write_pointers(file, NULL, type, 0, NULL, 0, typestring_offset))
1177             pointer_offset = 0;
1178
1179         start_offset = *typestring_offset;
1180         WRITE_FCTYPE(file, FC_CVSTRUCT, *typestring_offset);
1181         /* alignment */
1182         print_file(file, 2, "0x0,\n");
1183         /* total size */
1184         print_file(file, 2, "NdrFcShort(0x%x), /* %u */\n", total_size, total_size);
1185         *typestring_offset += 4;
1186         print_file(file, 2, "NdrFcShort(0x%x), /* offset = %d (%u) */\n",
1187                    array_offset - *typestring_offset,
1188                    array_offset - *typestring_offset,
1189                    array_offset);
1190         *typestring_offset += 2;
1191
1192         if (pointer_offset != 0)
1193         {
1194             print_file(file, 2, "0x%x, /* FC_PP */\n", RPC_FC_PP);
1195             print_file(file, 2, "0x%x, /* FC_PAD */\n", RPC_FC_PAD);
1196             *typestring_offset += 2;
1197             *typestring_offset += write_pointer_description(file, NULL,
1198                 type, 0, NULL, 0, pointer_offset);
1199             print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1200             *typestring_offset += 1;
1201         }
1202
1203         print_file(file, 2, "0x%x, /* FC_END */\n", RPC_FC_END);
1204         *typestring_offset += 1;
1205
1206         return start_offset;
1207     default:
1208         error("write_struct_tfs: Unimplemented for type 0x%x\n", type->type);
1209         return *typestring_offset;
1210     }
1211 }
1212
1213 static void write_pointer_only_tfs(FILE *file, const attr_t *attrs, size_t offset, unsigned int *typeformat_offset)
1214 {
1215     int in_attr, out_attr;
1216     unsigned char flags = 0;
1217     int pointer_type = get_attrv(attrs, ATTR_POINTERTYPE);
1218     if (!pointer_type) pointer_type = RPC_FC_RP;
1219     in_attr = is_attr(attrs, ATTR_IN);
1220     out_attr = is_attr(attrs, ATTR_OUT);
1221     if (!in_attr && !out_attr) in_attr = 1;
1222
1223     if (out_attr && !in_attr && pointer_type == RPC_FC_RP)
1224         flags |= 0x04;
1225
1226     print_file(file, 2, "0x%x, 0x%x,\t\t/* %s%s */\n",
1227                pointer_type,
1228                flags,
1229                pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP"),
1230                (flags & 0x04) ? " [allocated_on_stack]" : "");
1231     print_file(file, 2, "NdrFcShort(0x%x),    /* %d */\n", offset, offset);
1232     *typeformat_offset += 4;
1233 }
1234
1235 static size_t write_union_tfs(FILE *file, const attr_t *attrs,
1236                               const type_t *type, const char *name,
1237                               unsigned int *typeformat_offset)
1238 {
1239     error("write_union_tfs: Unimplemented\n");
1240     return *typeformat_offset;
1241 }
1242
1243 static size_t write_typeformatstring_var(FILE *file, int indent,
1244                                          const var_t *var, unsigned int *typeformat_offset)
1245 {
1246     const type_t *type = var->type;
1247     int ptr_level = var->ptr_level;
1248
1249     chat("write_typeformatstring_var: %s\n", var->name);
1250
1251     while (TRUE)
1252     {
1253         chat("write_typeformatstring: type->type = 0x%x, type->name = %s, ptr_level = %d\n", type->type, type->name, ptr_level);
1254
1255         if (is_string_type(var->attrs, ptr_level, var->array))
1256             return write_string_tfs(file, var->attrs, type, var->array, var->name, typeformat_offset);
1257
1258         if (is_array_type(var->attrs, ptr_level, var->array))
1259             return write_array_tfs(file, var->attrs, type, var->array, var->name, typeformat_offset);
1260
1261         if (ptr_level == 0)
1262         {
1263             /* follow reference if the type has one */
1264             if (type_has_ref(type))
1265             {
1266                 type = type->ref;
1267                 /* FIXME: get new ptr_level from type */
1268                 continue;
1269             }
1270
1271             /* basic types don't need a type format string */
1272             if (is_base_type(type->type))
1273                 return 0;
1274
1275             switch (type->type)
1276             {
1277             case RPC_FC_STRUCT:
1278             case RPC_FC_PSTRUCT:
1279             case RPC_FC_CSTRUCT:
1280             case RPC_FC_CPSTRUCT:
1281             case RPC_FC_CVSTRUCT:
1282             case RPC_FC_BOGUS_STRUCT:
1283                 return write_struct_tfs(file, type, var->name, typeformat_offset);
1284             case RPC_FC_ENCAPSULATED_UNION:
1285             case RPC_FC_NON_ENCAPSULATED_UNION:
1286                 return write_union_tfs(file, var->attrs, type, var->name, typeformat_offset);
1287             case RPC_FC_IGNORE:
1288             case RPC_FC_BIND_PRIMITIVE:
1289                 /* nothing to do */
1290                 return 0;
1291             default:
1292                 error("write_typeformatstring_var: Unsupported type 0x%x for variable %s\n", type->type, var->name);
1293             }
1294         }
1295         else if (ptr_level == 1 && !type_has_ref(type))
1296         {
1297             size_t start_offset = *typeformat_offset;
1298             int in_attr = is_attr(var->attrs, ATTR_IN);
1299             int out_attr = is_attr(var->attrs, ATTR_OUT);
1300             int pointer_type = get_attrv(var->attrs, ATTR_POINTERTYPE);
1301             if (!pointer_type) pointer_type = RPC_FC_RP;
1302
1303             /* special case for pointers to base types */
1304             switch (type->type)
1305             {
1306 #define CASE_BASETYPE(fctype) \
1307             case RPC_##fctype: \
1308                 print_file(file, indent, "0x%x, 0x%x,    /* %s %s[simple_pointer] */\n", \
1309                            pointer_type, \
1310                            (!in_attr && out_attr) ? 0x0C : 0x08, \
1311                            pointer_type == RPC_FC_FP ? "FC_FP" : (pointer_type == RPC_FC_UP ? "FC_UP" : "FC_RP"), \
1312                            (!in_attr && out_attr) ? "[allocated_on_stack] " : ""); \
1313                 print_file(file, indent, "0x%02x,    /* " #fctype " */\n", RPC_##fctype); \
1314                 print_file(file, indent, "0x5c,          /* FC_PAD */\n"); \
1315                 *typeformat_offset += 4; \
1316                 return start_offset
1317             CASE_BASETYPE(FC_BYTE);
1318             CASE_BASETYPE(FC_CHAR);
1319             CASE_BASETYPE(FC_SMALL);
1320             CASE_BASETYPE(FC_USMALL);
1321             CASE_BASETYPE(FC_WCHAR);
1322             CASE_BASETYPE(FC_SHORT);
1323             CASE_BASETYPE(FC_USHORT);
1324             CASE_BASETYPE(FC_LONG);
1325             CASE_BASETYPE(FC_ULONG);
1326             CASE_BASETYPE(FC_FLOAT);
1327             CASE_BASETYPE(FC_HYPER);
1328             CASE_BASETYPE(FC_DOUBLE);
1329             CASE_BASETYPE(FC_ENUM16);
1330             CASE_BASETYPE(FC_ENUM32);
1331             CASE_BASETYPE(FC_IGNORE);
1332             CASE_BASETYPE(FC_ERROR_STATUS_T);
1333             default:
1334                 break;
1335             }
1336         }
1337
1338         assert(ptr_level > 0);
1339
1340         if (file)
1341             fprintf(file, "/* %2u */\n", *typeformat_offset);
1342         write_pointer_only_tfs(file, var->attrs, 2, typeformat_offset);
1343
1344         ptr_level--;
1345     }
1346 }
1347
1348
1349 void write_typeformatstring(FILE *file, const ifref_t *ifaces)
1350 {
1351     int indent = 0;
1352     var_t *var;
1353     unsigned int typeformat_offset;
1354     const ifref_t *iface = ifaces;
1355
1356     print_file(file, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =\n");
1357     print_file(file, indent, "{\n");
1358     indent++;
1359     print_file(file, indent, "0,\n");
1360     print_file(file, indent, "{\n");
1361     indent++;
1362     print_file(file, indent, "NdrFcShort(0x0),\n");
1363     typeformat_offset = 2;
1364
1365     END_OF_LIST(iface);
1366
1367     for (; iface; iface = PREV_LINK(iface))
1368     {
1369         if (is_object(iface->iface->attrs) || is_local(iface->iface->attrs))
1370             continue;
1371
1372         if (iface->iface->funcs)
1373         {
1374             func_t *func = iface->iface->funcs;
1375             while (NEXT_LINK(func)) func = NEXT_LINK(func);
1376             for (; func; func = PREV_LINK(func))
1377             {
1378                 current_func = func;
1379                 if (func->args)
1380                 {
1381                     var = func->args;
1382                     while (NEXT_LINK(var)) var = NEXT_LINK(var);
1383                     while (var)
1384                     {
1385                         write_typeformatstring_var(file, indent, var,
1386                                                    &typeformat_offset);
1387                         var = PREV_LINK(var);
1388                     }
1389                 }
1390             }
1391         }
1392     }
1393
1394     print_file(file, indent, "0x0\n");
1395     indent--;
1396     print_file(file, indent, "}\n");
1397     indent--;
1398     print_file(file, indent, "};\n");
1399     print_file(file, indent, "\n");
1400 }
1401
1402 static unsigned int get_required_buffer_size_type(
1403     const type_t *type, int ptr_level, const expr_t *array,
1404     const char *name, unsigned int *alignment)
1405 {
1406     *alignment = 0;
1407     if (ptr_level == 0 && !array && !type_has_ref(type))
1408     {
1409         switch (type->type)
1410         {
1411         case RPC_FC_BYTE:
1412         case RPC_FC_CHAR:
1413         case RPC_FC_USMALL:
1414         case RPC_FC_SMALL:
1415             *alignment = 4;
1416             return 1;
1417
1418         case RPC_FC_WCHAR:
1419         case RPC_FC_USHORT:
1420         case RPC_FC_SHORT:
1421             *alignment = 4;
1422             return 2;
1423
1424         case RPC_FC_ULONG:
1425         case RPC_FC_LONG:
1426         case RPC_FC_FLOAT:
1427         case RPC_FC_ERROR_STATUS_T:
1428             *alignment = 4;
1429             return 4;
1430
1431         case RPC_FC_HYPER:
1432         case RPC_FC_DOUBLE:
1433             *alignment = 8;
1434             return 8;
1435
1436         case RPC_FC_IGNORE:
1437         case RPC_FC_BIND_PRIMITIVE:
1438             return 0;
1439
1440         case RPC_FC_STRUCT:
1441         {
1442             size_t size = 0;
1443             const var_t *field;
1444             for (field = type->fields; field; field = NEXT_LINK(field))
1445             {
1446                 unsigned int alignment;
1447                 size += get_required_buffer_size_type(
1448                     field->type, field->ptr_level, field->array, field->name,
1449                     &alignment);
1450             }
1451             return size;
1452         }
1453
1454         default:
1455             error("get_required_buffer_size: Unknown/unsupported type: %s (0x%02x)\n", name, type->type);
1456             return 0;
1457         }
1458     }
1459     if (ptr_level == 0 && type_has_ref(type))
1460         return get_required_buffer_size_type(type->ref, 0 /* FIXME */, array, name, alignment);
1461     return 0;
1462 }
1463
1464 unsigned int get_required_buffer_size(const var_t *var, unsigned int *alignment, enum pass pass)
1465 {
1466     expr_t *size_is = get_attrp(var->attrs, ATTR_SIZEIS);
1467     int has_size = (size_is && (size_is->type != EXPR_VOID));
1468     int in_attr = is_attr(var->attrs, ATTR_IN);
1469     int out_attr = is_attr(var->attrs, ATTR_OUT);
1470
1471     if (!in_attr && !out_attr)
1472         in_attr = 1;
1473
1474     *alignment = 0;
1475
1476     if (pass == PASS_OUT)
1477     {
1478         if (out_attr && var->ptr_level > 0)
1479         {
1480             type_t *type = var->type;
1481             while (type->type == 0 && type->ref)
1482                 type = type->ref;
1483
1484             if (type->type == RPC_FC_STRUCT)
1485             {
1486                 const var_t *field;
1487                 unsigned int size = 36;
1488                 for (field = type->fields; field; field = NEXT_LINK(field))
1489                 {
1490                     unsigned int align;
1491                     size += get_required_buffer_size_type(
1492                         field->type, field->ptr_level, field->array, field->name,
1493                         &align);
1494                 }
1495                 return size;
1496             }
1497         }
1498         return 0;
1499     }
1500     else
1501     {
1502         if ((!out_attr || in_attr) && !has_size && !is_attr(var->attrs, ATTR_STRING) && !var->array)
1503         {
1504             if (var->ptr_level > 0 || (var->ptr_level == 0 && type_has_ref(var->type)))
1505             {
1506                 type_t *type = var->type;
1507                 while (type->type == 0 && type->ref)
1508                     type = type->ref;
1509
1510                 if (is_base_type(type->type))
1511                 {
1512                     return 25;
1513                 }
1514                 else if (type->type == RPC_FC_STRUCT)
1515                 {
1516                     unsigned int size = 36;
1517                     const var_t *field;
1518                     for (field = type->fields; field; field = NEXT_LINK(field))
1519                     {
1520                         unsigned int align;
1521                         size += get_required_buffer_size_type(
1522                             field->type, field->ptr_level, field->array, field->name,
1523                             &align);
1524                     }
1525                     return size;
1526                 }
1527             }
1528         }
1529
1530         return get_required_buffer_size_type(var->type, var->ptr_level, var->array, var->name, alignment);
1531     }
1532 }
1533
1534 static void print_phase_function(FILE *file, int indent, const char *type,
1535                                  enum remoting_phase phase,
1536                                  const char *varname, unsigned int type_offset)
1537 {
1538     const char *function;
1539     switch (phase)
1540     {
1541     case PHASE_BUFFERSIZE:
1542         function = "BufferSize";
1543         break;
1544     case PHASE_MARSHAL:
1545         function = "Marshall";
1546         break;
1547     case PHASE_UNMARSHAL:
1548         function = "Unmarshall";
1549         break;
1550     case PHASE_FREE:
1551         function = "Free";
1552         break;
1553     default:
1554         assert(0);
1555         return;
1556     }
1557
1558     print_file(file, indent, "Ndr%s%s(\n", type, function);
1559     indent++;
1560     print_file(file, indent, "&_StubMsg,\n");
1561     print_file(file, indent, "%s%s,\n",
1562                (phase == PHASE_UNMARSHAL) ? "(unsigned char **)&" : "(unsigned char *)",
1563                varname);
1564     print_file(file, indent, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]%s\n",
1565                type_offset, (phase == PHASE_UNMARSHAL) ? "," : ");");
1566     if (phase == PHASE_UNMARSHAL)
1567         print_file(file, indent, "0);\n");
1568     indent--;
1569 }
1570
1571 void print_phase_basetype(FILE *file, int indent, enum remoting_phase phase,
1572                           enum pass pass, const var_t *var,
1573                           const char *varname)
1574 {
1575     const type_t *type = var->type;
1576     unsigned int size;
1577     unsigned int alignment = 0;
1578
1579     /* no work to do for other phases, buffer sizing is done elsewhere */
1580     if (phase != PHASE_MARSHAL && phase != PHASE_UNMARSHAL)
1581         return;
1582
1583     while (type_has_ref(type))
1584         type = type->ref;
1585
1586     switch (type->type)
1587     {
1588         case RPC_FC_BYTE:
1589         case RPC_FC_CHAR:
1590         case RPC_FC_SMALL:
1591         case RPC_FC_USMALL:
1592             size = 1;
1593             alignment = 1;
1594             break;
1595
1596         case RPC_FC_WCHAR:
1597         case RPC_FC_USHORT:
1598         case RPC_FC_SHORT:
1599             size = 2;
1600             alignment = 2;
1601             break;
1602
1603         case RPC_FC_ULONG:
1604         case RPC_FC_LONG:
1605         case RPC_FC_FLOAT:
1606         case RPC_FC_ERROR_STATUS_T:
1607             size = 4;
1608             alignment = 4;
1609             break;
1610
1611         case RPC_FC_HYPER:
1612         case RPC_FC_DOUBLE:
1613             size = 8;
1614             alignment = 8;
1615             break;
1616
1617         case RPC_FC_IGNORE:
1618         case RPC_FC_BIND_PRIMITIVE:
1619             /* no marshalling needed */
1620             return;
1621
1622         default:
1623             error("print_phase_basetype: Unsupported type: %s (0x%02x, ptr_level: 0)\n", var->name, type->type);
1624             size = 0;
1625     }
1626
1627     print_file(file, indent, "_StubMsg.Buffer = (unsigned char *)(((long)_StubMsg.Buffer + %u) & ~0x%x);\n",
1628                 alignment - 1, alignment - 1);
1629
1630     if (phase == PHASE_MARSHAL)
1631     {
1632         print_file(file, indent, "*(");
1633         write_type(file, var->type, NULL, var->tname);
1634         if (var->ptr_level)
1635             fprintf(file, " *)_StubMsg.Buffer = *");
1636         else
1637             fprintf(file, " *)_StubMsg.Buffer = ");
1638         fprintf(file, varname);
1639         fprintf(file, ";\n");
1640     }
1641     else if (phase == PHASE_UNMARSHAL)
1642     {
1643         if (pass == PASS_IN || pass == PASS_RETURN)
1644             print_file(file, indent, "");
1645         else
1646             print_file(file, indent, "*");
1647         fprintf(file, varname);
1648         if (pass == PASS_IN && var->ptr_level)
1649             fprintf(file, " = (");
1650         else
1651             fprintf(file, " = *(");
1652         write_type(file, var->type, NULL, var->tname);
1653         fprintf(file, " *)_StubMsg.Buffer;\n");
1654     }
1655
1656     print_file(file, indent, "_StubMsg.Buffer += sizeof(");
1657     write_type(file, var->type, NULL, var->tname);
1658     fprintf(file, ");\n");
1659 }
1660
1661 /* returns whether the MaxCount, Offset or ActualCount members need to be
1662  * filled in for the specified phase */
1663 static inline int is_size_needed_for_phase(enum remoting_phase phase)
1664 {
1665     return (phase != PHASE_UNMARSHAL);
1666 }
1667
1668 void write_remoting_arguments(FILE *file, int indent, const func_t *func,
1669                               unsigned int *type_offset, enum pass pass,
1670                               enum remoting_phase phase)
1671 {
1672     const expr_t *length_is;
1673     const expr_t *size_is;
1674     int in_attr, out_attr, has_length, has_size, pointer_type;
1675     var_t *var;
1676
1677     if (!func->args)
1678         return;
1679
1680     var = func->args;
1681     while (NEXT_LINK(var)) var = NEXT_LINK(var);
1682     for (; var; *type_offset += get_size_typeformatstring_var(var), var = PREV_LINK(var))
1683     {
1684         const type_t *type = var->type;
1685         length_is = get_attrp(var->attrs, ATTR_LENGTHIS);
1686         size_is = get_attrp(var->attrs, ATTR_SIZEIS);
1687         has_length = length_is && (length_is->type != EXPR_VOID);
1688         has_size = (size_is && (size_is->type != EXPR_VOID)) || (var->array && !var->array->is_const);
1689
1690         pointer_type = get_attrv(var->attrs, ATTR_POINTERTYPE);
1691         if (!pointer_type)
1692             pointer_type = RPC_FC_RP;
1693
1694         in_attr = is_attr(var->attrs, ATTR_IN);
1695         out_attr = is_attr(var->attrs, ATTR_OUT);
1696         if (!in_attr && !out_attr)
1697             in_attr = 1;
1698
1699         switch (pass)
1700         {
1701         case PASS_IN:
1702             if (!in_attr)
1703                 continue;
1704             break;
1705         case PASS_OUT:
1706             if (!out_attr)
1707                 continue;
1708             break;
1709         case PASS_RETURN:
1710             break;
1711         }
1712
1713         while (type_has_ref(type))
1714             type = type->ref;
1715
1716         if (is_string_type(var->attrs, var->ptr_level, var->array))
1717         {
1718             if (var->array && var->array->is_const)
1719                 print_phase_function(file, indent, "NonConformantString", phase, var->name, *type_offset);
1720             else
1721             {
1722                 if (size_is && is_size_needed_for_phase(phase))
1723                 {
1724                     print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)");
1725                     write_expr(file, size_is, 1);
1726                     fprintf(file, ";\n");
1727                 }
1728
1729                 if ((phase == PHASE_FREE) || (pointer_type == RPC_FC_UP))
1730                     print_phase_function(file, indent, "Pointer", phase, var->name, *type_offset);
1731                 else
1732                     print_phase_function(file, indent, "ConformantString", phase, var->name,
1733                                          *type_offset + (has_size ? 4 : 2));
1734             }
1735         }
1736         else if (is_array_type(var->attrs, var->ptr_level, var->array))
1737         {
1738             const char *array_type;
1739
1740             if (var->array && NEXT_LINK(var->array)) /* multi-dimensional array */
1741                 array_type = "ComplexArray";
1742             else
1743             {
1744                 if (!has_length && !has_size)
1745                     array_type = "FixedArray";
1746                 else if (has_length && !has_size)
1747                 {
1748                     if (is_size_needed_for_phase(phase))
1749                     {
1750                         print_file(file, indent, "_StubMsg.Offset = (unsigned long)0;\n"); /* FIXME */
1751                         print_file(file, indent, "_StubMsg.ActualCount = (unsigned long)");
1752                         write_expr(file, length_is, 1);
1753                         fprintf(file, ";\n\n");
1754                     }
1755                     array_type = "VaryingArray";
1756                 }
1757                 else if (!has_length && has_size)
1758                 {
1759                     if (is_size_needed_for_phase(phase) && phase != PHASE_FREE)
1760                     {
1761                         print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)");
1762                         write_expr(file, size_is ? size_is : var->array, 1);
1763                         fprintf(file, ";\n\n");
1764                     }
1765                     array_type = "ConformantArray";
1766                 }
1767                 else
1768                 {
1769                     if (is_size_needed_for_phase(phase))
1770                     {
1771                         print_file(file, indent, "_StubMsg.MaxCount = (unsigned long)");
1772                         write_expr(file, size_is ? size_is : var->array, 1);
1773                         fprintf(file, ";\n");
1774                         print_file(file, indent, "_StubMsg.Offset = (unsigned long)0;\n"); /* FIXME */
1775                         print_file(file, indent, "_StubMsg.ActualCount = (unsigned long)");
1776                         write_expr(file, length_is, 1);
1777                         fprintf(file, ";\n\n");
1778                     }
1779                     array_type = "ConformantVaryingArray";
1780                 }
1781             }
1782
1783             if (!in_attr && phase == PHASE_FREE)
1784             {
1785                 print_file(file, indent, "if (%s)\n", var->name);
1786                 indent++;
1787                 print_file(file, indent, "_StubMsg.pfnFree(%s);\n", var->name);
1788             }
1789             else if (phase != PHASE_FREE)
1790             {
1791                 if (pointer_type == RPC_FC_UP)
1792                     print_phase_function(file, indent, "Pointer", phase, var->name, *type_offset);
1793                 else
1794                     print_phase_function(file, indent, array_type, phase, var->name, *type_offset + 4);
1795             }
1796         }
1797         else if (var->ptr_level == 0 && is_base_type(type->type))
1798         {
1799             print_phase_basetype(file, indent, phase, pass, var, var->name);
1800         }
1801         else if (var->ptr_level == 0)
1802         {
1803             const char *ndrtype;
1804
1805             switch (type->type)
1806             {
1807             case RPC_FC_STRUCT:
1808                 ndrtype = "SimpleStruct";
1809                 break;
1810             case RPC_FC_CSTRUCT:
1811             case RPC_FC_CPSTRUCT:
1812                 ndrtype = "ConformantStruct";
1813                 break;
1814             case RPC_FC_CVSTRUCT:
1815                 ndrtype = "ConformantVaryingStruct";
1816                 break;
1817             case RPC_FC_BOGUS_STRUCT:
1818                 ndrtype = "ComplexStruct";
1819                 break;
1820             default:
1821                 error("write_remoting_arguments: Unsupported type: %s (0x%02x, ptr_level: %d)\n",
1822                     var->name, type->type, var->ptr_level);
1823                 ndrtype = NULL;
1824             }
1825
1826             print_phase_function(file, indent, ndrtype, phase, var->name, *type_offset);
1827         }
1828         else
1829         {
1830             if ((var->ptr_level == 1) && (pointer_type == RPC_FC_RP) && is_base_type(type->type))
1831             {
1832                 print_phase_basetype(file, indent, phase, pass, var, var->name);
1833             }
1834             else if ((var->ptr_level == 1) && (pointer_type == RPC_FC_RP) && (type->type == RPC_FC_STRUCT))
1835             {
1836                 if (phase != PHASE_BUFFERSIZE && phase != PHASE_FREE)
1837                     print_phase_function(file, indent, "SimpleStruct", phase, var->name, *type_offset + 4);
1838             }
1839             else
1840             {
1841                 print_phase_function(file, indent, "Pointer", phase, var->name, *type_offset);
1842             }
1843         }
1844         fprintf(file, "\n");
1845     }
1846 }
1847
1848
1849 size_t get_size_procformatstring_var(const var_t *var)
1850 {
1851     unsigned int type_offset = 2;
1852     return write_procformatstring_var(NULL, 0, var, FALSE, &type_offset);
1853 }
1854
1855
1856 size_t get_size_typeformatstring_var(const var_t *var)
1857 {
1858     unsigned int type_offset = 0;
1859     write_typeformatstring_var(NULL, 0, var, &type_offset);
1860     return type_offset;
1861 }
1862
1863 size_t get_size_procformatstring(const ifref_t *ifaces)
1864 {
1865     const ifref_t *iface = ifaces;
1866     size_t size = 1;
1867     func_t *func;
1868     var_t *var;
1869
1870     END_OF_LIST(iface);
1871
1872     for (; iface; iface = PREV_LINK(iface))
1873     {
1874         if (is_object(iface->iface->attrs) || is_local(iface->iface->attrs))
1875             continue;
1876
1877         if (iface->iface->funcs)
1878         {
1879             func = iface->iface->funcs;
1880             while (NEXT_LINK(func)) func = NEXT_LINK(func);
1881             while (func)
1882             {
1883                 /* argument list size */
1884                 if (func->args)
1885                 {
1886                     var = func->args;
1887                     while (NEXT_LINK(var)) var = NEXT_LINK(var);
1888                     while (var)
1889                     {
1890                         size += get_size_procformatstring_var(var);
1891                         var = PREV_LINK(var);
1892                     }
1893                 }
1894
1895                 var = func->def;
1896                 /* return value size */
1897                 if (is_void(var->type, NULL))
1898                     size += 2;
1899                 else
1900                     size += get_size_procformatstring_var(var);
1901
1902                 func = PREV_LINK(func);
1903             }
1904         }
1905     }
1906     return size;
1907 }
1908
1909 size_t get_size_typeformatstring(const ifref_t *ifaces)
1910 {
1911     const ifref_t *iface = ifaces;
1912     size_t size = 3;
1913     func_t *func;
1914     var_t *var;
1915
1916     END_OF_LIST(iface);
1917
1918     for (; iface; iface = PREV_LINK(iface))
1919     {
1920         if (is_object(iface->iface->attrs) || is_local(iface->iface->attrs))
1921             continue;
1922
1923         if (iface->iface->funcs)
1924         {
1925             func = iface->iface->funcs;
1926             while (NEXT_LINK(func)) func = NEXT_LINK(func);
1927             while (func)
1928             {
1929                 /* argument list size */
1930                 if (func->args)
1931                 {
1932                     var = func->args;
1933                     while (NEXT_LINK(var)) var = NEXT_LINK(var);
1934                     while (var)
1935                     {
1936                         size += get_size_typeformatstring_var(var);
1937                         var = PREV_LINK(var);
1938                     }
1939                 }
1940
1941                 func = PREV_LINK(func);
1942             }
1943         }
1944     }
1945     return size;
1946 }
1947
1948 static void write_struct_expr(FILE *h, const expr_t *e, int brackets,
1949                               const var_t *fields, const char *structvar)
1950 {
1951     switch (e->type) {
1952         case EXPR_VOID:
1953             break;
1954         case EXPR_NUM:
1955             fprintf(h, "%ld", e->u.lval);
1956             break;
1957         case EXPR_HEXNUM:
1958             fprintf(h, "0x%lx", e->u.lval);
1959             break;
1960         case EXPR_IDENTIFIER:
1961         {
1962             const var_t *field;
1963             for (field = fields; field; field = NEXT_LINK(field))
1964             {
1965                 if (!strcmp(e->u.sval, field->name))
1966                 {
1967                     fprintf(h, "%s->%s", structvar, e->u.sval);
1968                     break;
1969                 }
1970             }
1971             if (!field) error("no field found for identifier %s\n", e->u.sval);
1972             break;
1973         }
1974         case EXPR_NEG:
1975             fprintf(h, "-");
1976             write_struct_expr(h, e->ref, 1, fields, structvar);
1977             break;
1978         case EXPR_NOT:
1979             fprintf(h, "~");
1980             write_struct_expr(h, e->ref, 1, fields, structvar);
1981             break;
1982         case EXPR_PPTR:
1983             fprintf(h, "*");
1984             write_struct_expr(h, e->ref, 1, fields, structvar);
1985             break;
1986         case EXPR_CAST:
1987             fprintf(h, "(");
1988             write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
1989             fprintf(h, ")");
1990             write_struct_expr(h, e->ref, 1, fields, structvar);
1991             break;
1992         case EXPR_SIZEOF:
1993             fprintf(h, "sizeof(");
1994             write_type(h, e->u.tref->ref, NULL, e->u.tref->name);
1995             fprintf(h, ")");
1996             break;
1997         case EXPR_SHL:
1998         case EXPR_SHR:
1999         case EXPR_MUL:
2000         case EXPR_DIV:
2001         case EXPR_ADD:
2002         case EXPR_SUB:
2003         case EXPR_AND:
2004         case EXPR_OR:
2005             if (brackets) fprintf(h, "(");
2006             write_struct_expr(h, e->ref, 1, fields, structvar);
2007             switch (e->type) {
2008                 case EXPR_SHL: fprintf(h, " << "); break;
2009                 case EXPR_SHR: fprintf(h, " >> "); break;
2010                 case EXPR_MUL: fprintf(h, " * "); break;
2011                 case EXPR_DIV: fprintf(h, " / "); break;
2012                 case EXPR_ADD: fprintf(h, " + "); break;
2013                 case EXPR_SUB: fprintf(h, " - "); break;
2014                 case EXPR_AND: fprintf(h, " & "); break;
2015                 case EXPR_OR:  fprintf(h, " | "); break;
2016                 default: break;
2017             }
2018             write_struct_expr(h, e->u.ext, 1, fields, structvar);
2019             if (brackets) fprintf(h, ")");
2020             break;
2021         case EXPR_COND:
2022             if (brackets) fprintf(h, "(");
2023             write_struct_expr(h, e->ref, 1, fields, structvar);
2024             fprintf(h, " ? ");
2025             write_struct_expr(h, e->u.ext, 1, fields, structvar);
2026             fprintf(h, " : ");
2027             write_struct_expr(h, e->ext2, 1, fields, structvar);
2028             if (brackets) fprintf(h, ")");
2029             break;
2030     }
2031 }
2032
2033 int write_expr_eval_routines(FILE *file, const char *iface)
2034 {
2035     int result = 0;
2036     struct expr_eval_routine *eval;
2037     unsigned short callback_offset = 0;
2038
2039     LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry)
2040     {
2041         int indent = 0;
2042         result = 1;
2043         print_file(file, indent, "static void __RPC_USER %s_%sExprEval_%04u(PMIDL_STUB_MESSAGE pStubMsg)\n",
2044                   iface, eval->structure->name, callback_offset);
2045         print_file(file, indent, "{\n");
2046         indent++;
2047         print_file(file, indent, "struct %s *" STRUCT_EXPR_EVAL_VAR " = (struct %s *)(pStubMsg->StackTop - %u);\n",
2048                    eval->structure->name, eval->structure->name, eval->structure_size);
2049         fprintf(file, "\n");
2050         print_file(file, indent, "pStubMsg->Offset = 0;\n"); /* FIXME */
2051         print_file(file, indent, "pStubMsg->MaxCount = (unsigned long)");
2052         write_struct_expr(file, eval->expr, 1, eval->structure->fields, STRUCT_EXPR_EVAL_VAR);
2053         fprintf(file, ";\n");
2054         indent--;
2055         print_file(file, indent, "}\n\n");
2056         callback_offset++;
2057     }
2058     return result;
2059 }
2060
2061 void write_expr_eval_routine_list(FILE *file, const char *iface)
2062 {
2063     struct expr_eval_routine *eval;
2064     struct expr_eval_routine *cursor;
2065     unsigned short callback_offset = 0;
2066
2067     fprintf(file, "static const EXPR_EVAL ExprEvalRoutines[] =\n");
2068     fprintf(file, "{\n");
2069
2070     LIST_FOR_EACH_ENTRY_SAFE(eval, cursor, &expr_eval_routines, struct expr_eval_routine, entry)
2071     {
2072         print_file(file, 1, "%s_%sExprEval_%04u,\n",
2073                    iface, eval->structure->name, callback_offset);
2074
2075         callback_offset++;
2076         list_remove(&eval->entry);
2077         free(eval);
2078     }
2079
2080     fprintf(file, "};\n\n");
2081 }