dlls/mshtml/dispex.c

   1 /*
   2  * Copyright 2008-2009 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20 #include <assert.h>
  21
  22 #define COBJMACROS
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "winuser.h"
  27 #include "ole2.h"
  28
  29 #include "wine/debug.h"
  30
  31 #include "mshtml_private.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  34
  35 static CRITICAL_SECTION cs_dispex_static_data;
  36 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
  37 {
  38     0, 0, &cs_dispex_static_data,
  39     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
  40       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
  41 };
  42 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
  43
  44
  45 static const WCHAR objectW[] = {'[','o','b','j','e','c','t',']',0};
  46
  47 typedef struct {
  48     DISPID id;
  49     BSTR name;
  50     tid_t tid;
  51     SHORT put_vtbl_off;
  52     SHORT get_vtbl_off;
  53     SHORT func_disp_idx;
  54     VARTYPE prop_vt;
  55 } func_info_t;
  56
  57 struct dispex_data_t {
  58     DWORD func_cnt;
  59     func_info_t *funcs;
  60     func_info_t **name_table;
  61     DWORD func_disp_cnt;
  62
  63     struct list entry;
  64 };
  65
  66 typedef struct {
  67     VARIANT var;
  68     LPWSTR name;
  69     DWORD flags;
  70 } dynamic_prop_t;
  71
  72 #define DYNPROP_DELETED    0x01
  73
  74 typedef struct {
  75     DispatchEx dispex;
  76     IUnknown IUnknown_iface;
  77     DispatchEx *obj;
  78     func_info_t *info;
  79 } func_disp_t;
  80
  81 struct dispex_dynamic_data_t {
  82     DWORD buf_size;
  83     DWORD prop_cnt;
  84     dynamic_prop_t *props;
  85     func_disp_t **func_disps;
  86 };
  87
  88 #define DISPID_DYNPROP_0    0x50000000
  89 #define DISPID_DYNPROP_MAX  0x5fffffff
  90
  91 #define FDEX_VERSION_MASK 0xf0000000
  92
  93 static ITypeLib *typelib;
  94 static ITypeInfo *typeinfos[LAST_tid];
  95 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
  96
  97 static REFIID tid_ids[] = {
  98 #define XIID(iface) &IID_ ## iface,
  99 #define XDIID(iface) &DIID_ ## iface,
 100 TID_LIST
 101 #undef XIID
 102 #undef XDIID
 103 };
 104
 105 static HRESULT load_typelib(void)
 106 {
 107     HRESULT hres;
 108     ITypeLib *tl;
 109
 110     hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
 111     if(FAILED(hres)) {
 112         ERR("LoadRegTypeLib failed: %08x\n", hres);
 113         return hres;
 114     }
 115
 116     if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 117         ITypeLib_Release(tl);
 118     return hres;
 119 }
 120
 121 static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
 122 {
 123     HRESULT hres;
 124
 125     if (!typelib)
 126         hres = load_typelib();
 127     if (!typelib)
 128         return hres;
 129
 130     if(!typeinfos[tid]) {
 131         ITypeInfo *ti;
 132
 133         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &ti);
 134         if(FAILED(hres)) {
 135             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
 136             return hres;
 137         }
 138
 139         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), ti, NULL))
 140             ITypeInfo_Release(ti);
 141     }
 142
 143     *typeinfo = typeinfos[tid];
 144     return S_OK;
 145 }
 146
 147 void release_typelib(void)
 148 {
 149     dispex_data_t *iter;
 150     unsigned i;
 151
 152     while(!list_empty(&dispex_data_list)) {
 153         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 154         list_remove(&iter->entry);
 155
 156         for(i=0; i < iter->func_cnt; i++)
 157             SysFreeString(iter->funcs[i].name);
 158
 159         heap_free(iter->funcs);
 160         heap_free(iter->name_table);
 161         heap_free(iter);
 162     }
 163
 164     if(!typelib)
 165         return;
 166
 167     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 168         if(typeinfos[i])
 169             ITypeInfo_Release(typeinfos[i]);
 170
 171     ITypeLib_Release(typelib);
 172     DeleteCriticalSection(&cs_dispex_static_data);
 173 }
 174
 175 HRESULT get_htmldoc_classinfo(ITypeInfo **typeinfo)
 176 {
 177     HRESULT hres;
 178
 179     if (!typelib)
 180         hres = load_typelib();
 181     if (!typelib)
 182         return hres;
 183
 184     hres = ITypeLib_GetTypeInfoOfGuid(typelib, &CLSID_HTMLDocument, typeinfo);
 185     if(FAILED(hres))
 186         ERR("GetTypeInfoOfGuid failed: %08x\n", hres);
 187     return hres;
 188 }
 189
 190 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, const FUNCDESC *desc, ITypeInfo *dti)
 191 {
 192     func_info_t *info;
 193     HRESULT hres;
 194
 195     if(data->func_cnt && data->funcs[data->func_cnt-1].id == desc->memid) {
 196         info = data->funcs+data->func_cnt-1;
 197     }else {
 198         if(data->func_cnt == *size)
 199             data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
 200
 201         info = data->funcs+data->func_cnt;
 202         hres = ITypeInfo_GetDocumentation(dti, desc->memid, &info->name, NULL, NULL, NULL);
 203         if(FAILED(hres))
 204             return;
 205
 206         data->func_cnt++;
 207
 208         info->id = desc->memid;
 209         info->tid = tid;
 210         info->func_disp_idx = -1;
 211         info->prop_vt = VT_EMPTY;
 212         info->put_vtbl_off = 0;
 213         info->get_vtbl_off = 0;
 214     }
 215
 216     if(desc->invkind & DISPATCH_METHOD) {
 217         info->func_disp_idx = data->func_disp_cnt++;
 218     }else if(desc->invkind & (DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYGET)) {
 219         VARTYPE vt = VT_EMPTY;
 220
 221         if(desc->invkind & DISPATCH_PROPERTYGET) {
 222             vt = desc->elemdescFunc.tdesc.vt;
 223             info->get_vtbl_off = desc->oVft/sizeof(void*);
 224         }
 225         if(desc->invkind & DISPATCH_PROPERTYPUT) {
 226             assert(desc->cParams == 1);
 227             vt = desc->lprgelemdescParam->tdesc.vt;
 228             info->put_vtbl_off = desc->oVft/sizeof(void*);
 229         }
 230
 231         assert(info->prop_vt == VT_EMPTY || vt == info->prop_vt);
 232         info->prop_vt = vt;
 233     }
 234 }
 235
 236 static int dispid_cmp(const void *p1, const void *p2)
 237 {
 238     return ((const func_info_t*)p1)->id - ((const func_info_t*)p2)->id;
 239 }
 240
 241 static int func_name_cmp(const void *p1, const void *p2)
 242 {
 243     return strcmpiW((*(func_info_t* const*)p1)->name, (*(func_info_t* const*)p2)->name);
 244 }
 245
 246 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
 247 {
 248     const tid_t *tid = This->data->iface_tids;
 249     FUNCDESC *funcdesc;
 250     dispex_data_t *data;
 251     DWORD size = 16, i;
 252     ITypeInfo *ti, *dti;
 253     HRESULT hres;
 254
 255     TRACE("(%p)\n", This);
 256
 257     if(This->data->disp_tid) {
 258         hres = get_typeinfo(This->data->disp_tid, &dti);
 259         if(FAILED(hres)) {
 260             ERR("Could not get disp type info: %08x\n", hres);
 261             return NULL;
 262         }
 263     }
 264
 265     data = heap_alloc(sizeof(dispex_data_t));
 266     data->func_cnt = 0;
 267     data->func_disp_cnt = 0;
 268     data->funcs = heap_alloc(size*sizeof(func_info_t));
 269     list_add_tail(&dispex_data_list, &data->entry);
 270
 271     while(*tid) {
 272         hres = get_typeinfo(*tid, &ti);
 273         if(FAILED(hres))
 274             break;
 275
 276         i=7;
 277         while(1) {
 278             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 279             if(FAILED(hres))
 280                 break;
 281
 282             add_func_info(data, &size, *tid, funcdesc, dti);
 283             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 284         }
 285
 286         tid++;
 287     }
 288
 289     if(!data->func_cnt) {
 290         heap_free(data->funcs);
 291         data->name_table = NULL;
 292         data->funcs = NULL;
 293         return data;
 294     }
 295
 296
 297     data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 298     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 299
 300     data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 301     for(i=0; i < data->func_cnt; i++)
 302         data->name_table[i] = data->funcs+i;
 303     qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 304
 305     return data;
 306 }
 307
 308 static int id_cmp(const void *p1, const void *p2)
 309 {
 310     return *(const DISPID*)p1 - *(const DISPID*)p2;
 311 }
 312
 313 HRESULT get_dispids(tid_t tid, DWORD *ret_size, DISPID **ret)
 314 {
 315     unsigned i, func_cnt;
 316     FUNCDESC *funcdesc;
 317     ITypeInfo *ti;
 318     TYPEATTR *attr;
 319     DISPID *ids;
 320     HRESULT hres;
 321
 322     hres = get_typeinfo(tid, &ti);
 323     if(FAILED(hres))
 324         return hres;
 325
 326     hres = ITypeInfo_GetTypeAttr(ti, &attr);
 327     if(FAILED(hres)) {
 328         ITypeInfo_Release(ti);
 329         return hres;
 330     }
 331
 332     func_cnt = attr->cFuncs;
 333     ITypeInfo_ReleaseTypeAttr(ti, attr);
 334
 335     ids = heap_alloc(func_cnt*sizeof(DISPID));
 336     if(!ids) {
 337         ITypeInfo_Release(ti);
 338         return E_OUTOFMEMORY;
 339     }
 340
 341     for(i=0; i < func_cnt; i++) {
 342         hres = ITypeInfo_GetFuncDesc(ti, i, &funcdesc);
 343         if(FAILED(hres))
 344             break;
 345
 346         ids[i] = funcdesc->memid;
 347         ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 348     }
 349
 350     ITypeInfo_Release(ti);
 351     if(FAILED(hres)) {
 352         heap_free(ids);
 353         return hres;
 354     }
 355
 356     qsort(ids, func_cnt, sizeof(DISPID), id_cmp);
 357
 358     *ret_size = func_cnt;
 359     *ret = ids;
 360     return S_OK;
 361 }
 362
 363 static dispex_data_t *get_dispex_data(DispatchEx *This)
 364 {
 365     if(This->data->data)
 366         return This->data->data;
 367
 368     EnterCriticalSection(&cs_dispex_static_data);
 369
 370     if(!This->data->data)
 371         This->data->data = preprocess_dispex_data(This);
 372
 373     LeaveCriticalSection(&cs_dispex_static_data);
 374
 375     return This->data->data;
 376 }
 377
 378 static inline BOOL is_custom_dispid(DISPID id)
 379 {
 380     return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
 381 }
 382
 383 static inline BOOL is_dynamic_dispid(DISPID id)
 384 {
 385     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 386 }
 387
 388 static HRESULT variant_copy(VARIANT *dest, VARIANT *src)
 389 {
 390     if(V_VT(src) == VT_BSTR && !V_BSTR(src)) {
 391         V_VT(dest) = VT_BSTR;
 392         V_BSTR(dest) = NULL;
 393         return S_OK;
 394     }
 395
 396     return VariantCopy(dest, src);
 397 }
 398
 399 static inline dispex_dynamic_data_t *get_dynamic_data(DispatchEx *This)
 400 {
 401     if(This->dynamic_data)
 402         return This->dynamic_data;
 403
 404     This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t));
 405     if(!This->dynamic_data)
 406         return NULL;
 407
 408     if(This->data->vtbl && This->data->vtbl->populate_props)
 409         This->data->vtbl->populate_props(This);
 410
 411     return This->dynamic_data;
 412 }
 413
 414 static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, DWORD flags, dynamic_prop_t **ret)
 415 {
 416     const BOOL alloc = flags & fdexNameEnsure;
 417     dispex_dynamic_data_t *data;
 418     dynamic_prop_t *prop;
 419
 420     data = get_dynamic_data(This);
 421     if(!data)
 422         return E_OUTOFMEMORY;
 423
 424     for(prop = data->props; prop < data->props+data->prop_cnt; prop++) {
 425         if(flags & fdexNameCaseInsensitive ? !strcmpiW(prop->name, name) : !strcmpW(prop->name, name)) {
 426             if(prop->flags & DYNPROP_DELETED) {
 427                 if(!alloc)
 428                     return DISP_E_UNKNOWNNAME;
 429                 prop->flags &= ~DYNPROP_DELETED;
 430             }
 431             *ret = prop;
 432             return S_OK;
 433         }
 434     }
 435
 436     if(!alloc)
 437         return DISP_E_UNKNOWNNAME;
 438
 439     TRACE("creating dynamic prop %s\n", debugstr_w(name));
 440
 441     if(!data->buf_size) {
 442         data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
 443         if(!data->props)
 444             return E_OUTOFMEMORY;
 445         data->buf_size = 4;
 446     }else if(data->buf_size == data->prop_cnt) {
 447         dynamic_prop_t *new_props;
 448
 449         new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
 450         if(!new_props)
 451             return E_OUTOFMEMORY;
 452
 453         data->props = new_props;
 454         data->buf_size <<= 1;
 455     }
 456
 457     prop = data->props + data->prop_cnt;
 458
 459     prop->name = heap_strdupW(name);
 460     if(!prop->name)
 461         return E_OUTOFMEMORY;
 462
 463     VariantInit(&prop->var);
 464     prop->flags = 0;
 465     data->prop_cnt++;
 466     *ret = prop;
 467     return S_OK;
 468 }
 469
 470 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
 471 {
 472     dynamic_prop_t *prop;
 473     HRESULT hres;
 474
 475     hres = get_dynamic_prop(This, name, alloc ? fdexNameEnsure : 0, &prop);
 476     if(FAILED(hres))
 477         return hres;
 478
 479     *ret = &prop->var;
 480     return S_OK;
 481 }
 482
 483 HRESULT dispex_get_dynid(DispatchEx *This, const WCHAR *name, DISPID *id)
 484 {
 485     dynamic_prop_t *prop;
 486     HRESULT hres;
 487
 488     hres = get_dynamic_prop(This, name, fdexNameEnsure, &prop);
 489     if(FAILED(hres))
 490         return hres;
 491
 492     *id = DISPID_DYNPROP_0 + (prop - This->dynamic_data->props);
 493     return S_OK;
 494 }
 495
 496 static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
 497         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 498 {
 499     if(This->data->vtbl && This->data->vtbl->value)
 500         return This->data->vtbl->value(This, lcid, flags, params, res, ei, caller);
 501
 502     switch(flags) {
 503     case DISPATCH_PROPERTYGET:
 504         V_VT(res) = VT_BSTR;
 505         V_BSTR(res) = SysAllocString(objectW);
 506         if(!V_BSTR(res))
 507             return E_OUTOFMEMORY;
 508         break;
 509     default:
 510         FIXME("Unimplemented flags %x\n", flags);
 511         return E_NOTIMPL;
 512     }
 513
 514     return S_OK;
 515 }
 516
 517 static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 518         EXCEPINFO *ei)
 519 {
 520     ITypeInfo *ti;
 521     IUnknown *unk;
 522     UINT argerr=0;
 523     HRESULT hres;
 524
 525     hres = get_typeinfo(func->tid, &ti);
 526     if(FAILED(hres)) {
 527         ERR("Could not get type info: %08x\n", hres);
 528         return hres;
 529     }
 530
 531     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
 532     if(FAILED(hres)) {
 533         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[func->tid]), hres);
 534         return E_FAIL;
 535     }
 536
 537     hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
 538
 539     IUnknown_Release(unk);
 540     return hres;
 541 }
 542
 543 static inline func_disp_t *impl_from_IUnknown(IUnknown *iface)
 544 {
 545     return CONTAINING_RECORD(iface, func_disp_t, IUnknown_iface);
 546 }
 547
 548 static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 549 {
 550     func_disp_t *This = impl_from_IUnknown(iface);
 551
 552     if(IsEqualGUID(&IID_IUnknown, riid)) {
 553         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 554         *ppv = &This->IUnknown_iface;
 555     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 556         return *ppv ? S_OK : E_NOINTERFACE;
 557     }else {
 558         *ppv = NULL;
 559         return E_NOINTERFACE;
 560     }
 561
 562     IUnknown_AddRef((IUnknown*)*ppv);
 563     return S_OK;
 564 }
 565
 566 static ULONG WINAPI Function_AddRef(IUnknown *iface)
 567 {
 568     func_disp_t *This = impl_from_IUnknown(iface);
 569
 570     TRACE("(%p)\n", This);
 571
 572     return IDispatchEx_AddRef(&This->obj->IDispatchEx_iface);
 573 }
 574
 575 static ULONG WINAPI Function_Release(IUnknown *iface)
 576 {
 577     func_disp_t *This = impl_from_IUnknown(iface);
 578
 579     TRACE("(%p)\n", This);
 580
 581     return IDispatchEx_Release(&This->obj->IDispatchEx_iface);
 582 }
 583
 584 static const IUnknownVtbl FunctionUnkVtbl = {
 585     Function_QueryInterface,
 586     Function_AddRef,
 587     Function_Release
 588 };
 589
 590 static inline func_disp_t *impl_from_DispatchEx(DispatchEx *iface)
 591 {
 592     return CONTAINING_RECORD(iface, func_disp_t, dispex);
 593 }
 594
 595 static HRESULT function_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *params,
 596         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 597 {
 598     func_disp_t *This = impl_from_DispatchEx(dispex);
 599     HRESULT hres;
 600
 601     switch(flags) {
 602     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 603         if(!res)
 604             return E_INVALIDARG;
 605         /* fall through */
 606     case DISPATCH_METHOD:
 607         hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
 608         break;
 609     default:
 610         FIXME("Unimplemented flags %x\n", flags);
 611         hres = E_NOTIMPL;
 612     }
 613
 614     return hres;
 615 }
 616
 617 static const dispex_static_data_vtbl_t function_dispex_vtbl = {
 618     function_value,
 619     NULL,
 620     NULL,
 621     NULL
 622 };
 623
 624 static const tid_t function_iface_tids[] = {0};
 625
 626 static dispex_static_data_t function_dispex = {
 627     &function_dispex_vtbl,
 628     NULL_tid,
 629     NULL,
 630     function_iface_tids
 631 };
 632
 633 static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
 634 {
 635     func_disp_t *ret;
 636
 637     ret = heap_alloc_zero(sizeof(func_disp_t));
 638     if(!ret)
 639         return NULL;
 640
 641     ret->IUnknown_iface.lpVtbl = &FunctionUnkVtbl;
 642     init_dispex(&ret->dispex, &ret->IUnknown_iface,  &function_dispex);
 643     ret->obj = obj;
 644     ret->info = info;
 645
 646     return ret;
 647 }
 648
 649 static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 650         EXCEPINFO *ei)
 651 {
 652     HRESULT hres;
 653
 654     switch(flags) {
 655     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 656         if(!res)
 657             return E_INVALIDARG;
 658         /* fall through */
 659     case DISPATCH_METHOD:
 660         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 661         break;
 662     case DISPATCH_PROPERTYGET: {
 663         dispex_dynamic_data_t *dynamic_data;
 664
 665         if(func->id == DISPID_VALUE) {
 666             BSTR ret;
 667
 668             ret = SysAllocString(objectW);
 669             if(!ret)
 670                 return E_OUTOFMEMORY;
 671
 672             V_VT(res) = VT_BSTR;
 673             V_BSTR(res) = ret;
 674             return S_OK;
 675         }
 676
 677         dynamic_data = get_dynamic_data(This);
 678         if(!dynamic_data)
 679             return E_OUTOFMEMORY;
 680
 681         if(!dynamic_data->func_disps) {
 682             dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(func_disp_t*));
 683             if(!dynamic_data->func_disps)
 684                 return E_OUTOFMEMORY;
 685         }
 686
 687         if(!dynamic_data->func_disps[func->func_disp_idx]) {
 688             dynamic_data->func_disps[func->func_disp_idx] = create_func_disp(This, func);
 689             if(!dynamic_data->func_disps[func->func_disp_idx])
 690                 return E_OUTOFMEMORY;
 691         }
 692
 693         V_VT(res) = VT_DISPATCH;
 694         V_DISPATCH(res) = (IDispatch*)&dynamic_data->func_disps[func->func_disp_idx]->dispex.IDispatchEx_iface;
 695         IDispatch_AddRef(V_DISPATCH(res));
 696         hres = S_OK;
 697         break;
 698     }
 699     default:
 700         FIXME("Unimplemented flags %x\n", flags);
 701         /* fall through */
 702     case DISPATCH_PROPERTYPUT:
 703         hres = E_NOTIMPL;
 704     }
 705
 706     return hres;
 707 }
 708
 709 static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
 710 {
 711     int min, max, n;
 712
 713     min = 0;
 714     max = data->func_cnt-1;
 715
 716     while(min <= max) {
 717         n = (min+max)/2;
 718
 719         if(data->funcs[n].id == id) {
 720             *ret = data->funcs+n;
 721             return S_OK;
 722         }
 723
 724         if(data->funcs[n].id < id)
 725             min = n+1;
 726         else
 727             max = n-1;
 728     }
 729
 730     WARN("invalid id %x\n", id);
 731     return DISP_E_UNKNOWNNAME;
 732 }
 733
 734 static HRESULT get_builtin_id(DispatchEx *This, BSTR name, DWORD grfdex, DISPID *ret)
 735 {
 736     dispex_data_t *data;
 737     int min, max, n, c;
 738
 739     data = get_dispex_data(This);
 740     if(!data)
 741         return E_FAIL;
 742
 743     min = 0;
 744     max = data->func_cnt-1;
 745
 746     while(min <= max) {
 747         n = (min+max)/2;
 748
 749         c = strcmpiW(data->name_table[n]->name, name);
 750         if(!c) {
 751             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, name))
 752                 break;
 753
 754             *ret = data->name_table[n]->id;
 755             return S_OK;
 756         }
 757
 758         if(c > 0)
 759             max = n-1;
 760         else
 761             min = n+1;
 762     }
 763
 764     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 765         HRESULT hres;
 766
 767         hres = This->data->vtbl->get_dispid(This, name, grfdex, ret);
 768         if(hres != DISP_E_UNKNOWNNAME)
 769             return hres;
 770     }
 771
 772     return DISP_E_UNKNOWNNAME;
 773 }
 774
 775 /* List all types used by IDispatchEx-based properties */
 776 #define BUILTIN_TYPES_SWITCH                            \
 777     CASE_VT(VT_I2, INT16, V_I2);                        \
 778     CASE_VT(VT_I4, INT32, V_I4);                        \
 779     CASE_VT(VT_R4, float, V_R4);                        \
 780     CASE_VT(VT_BSTR, BSTR, V_BSTR);                     \
 781     CASE_VT(VT_BOOL, VARIANT_BOOL, V_BOOL);             \
 782     CASE_VT(VT_VARIANT, VARIANT, *);                    \
 783     CASE_VT(VT_PTR, void*, V_BYREF);                    \
 784     CASE_VT(VT_UNKNOWN, IUnknown*, V_UNKNOWN);          \
 785     CASE_VT(VT_DISPATCH, IDispatch*, V_DISPATCH)
 786
 787 static HRESULT change_type(VARIANT *dst, VARIANT *src, VARTYPE vt, IServiceProvider *caller)
 788 {
 789     V_VT(dst) = VT_EMPTY;
 790
 791     if(caller) {
 792         IVariantChangeType *change_type = NULL;
 793         HRESULT hres;
 794
 795         hres = IServiceProvider_QueryService(caller, &SID_VariantConversion, &IID_IVariantChangeType, (void**)&change_type);
 796         if(SUCCEEDED(hres)) {
 797             hres = IVariantChangeType_ChangeType(change_type, dst, src, LOCALE_NEUTRAL, vt);
 798             IVariantChangeType_Release(change_type);
 799             return hres;
 800         }
 801     }
 802
 803     return VariantChangeType(dst, src, 0, vt);
 804 }
 805
 806 static HRESULT builtin_propget(DispatchEx *This, func_info_t *func, DISPPARAMS *dp, VARIANT *res)
 807 {
 808     IUnknown *iface;
 809     HRESULT hres;
 810
 811     if(dp->cArgs) {
 812         FIXME("cArgs %d\n", dp->cArgs);
 813         return E_NOTIMPL;
 814     }
 815
 816     assert(func->get_vtbl_off);
 817
 818     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&iface);
 819     if(SUCCEEDED(hres)) {
 820         switch(func->prop_vt) {
 821 #define CASE_VT(vt,type,access) \
 822         case vt: { \
 823             type val; \
 824             hres = ((HRESULT (WINAPI*)(IUnknown*,type*))((void**)iface->lpVtbl)[func->get_vtbl_off])(iface,&val); \
 825             if(SUCCEEDED(hres)) \
 826                 access(res) = val; \
 827             } \
 828             break
 829         BUILTIN_TYPES_SWITCH;
 830 #undef CASE_VT
 831         default:
 832             FIXME("Unhandled vt %d\n", func->prop_vt);
 833             hres = E_NOTIMPL;
 834         }
 835         IUnknown_Release(iface);
 836     }
 837
 838     if(FAILED(hres))
 839         return hres;
 840
 841     if(func->prop_vt != VT_VARIANT)
 842         V_VT(res) = func->prop_vt == VT_PTR ? VT_DISPATCH : func->prop_vt;
 843     return S_OK;
 844 }
 845
 846 static HRESULT builtin_propput(DispatchEx *This, func_info_t *func, DISPPARAMS *dp, IServiceProvider *caller)
 847 {
 848     VARIANT *v, tmpv;
 849     IUnknown *iface;
 850     HRESULT hres;
 851
 852     if(dp->cArgs != 1 || (dp->cNamedArgs == 1 && *dp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
 853             || dp->cNamedArgs > 1) {
 854         FIXME("invalid args\n");
 855         return E_INVALIDARG;
 856     }
 857
 858     if(!func->put_vtbl_off) {
 859         FIXME("No setter\n");
 860         return E_FAIL;
 861     }
 862
 863     v = dp->rgvarg;
 864     if(func->prop_vt != VT_VARIANT && V_VT(v) != func->prop_vt) {
 865         hres = change_type(&tmpv, v, func->prop_vt, caller);
 866         if(FAILED(hres))
 867             return hres;
 868         v = &tmpv;
 869     }
 870
 871     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&iface);
 872     if(SUCCEEDED(hres)) {
 873         switch(func->prop_vt) {
 874 #define CASE_VT(vt,type,access) \
 875         case vt: \
 876             hres = ((HRESULT (WINAPI*)(IUnknown*,type))((void**)iface->lpVtbl)[func->put_vtbl_off])(iface,access(v)); \
 877             break
 878         BUILTIN_TYPES_SWITCH;
 879 #undef CASE_VT
 880         default:
 881             FIXME("Unimplemented vt %d\n", func->prop_vt);
 882             hres = E_NOTIMPL;
 883         }
 884
 885         IUnknown_Release(iface);
 886     }
 887
 888     if(v == &tmpv)
 889         VariantClear(v);
 890     return hres;
 891 }
 892
 893 static HRESULT invoke_builtin_prop(DispatchEx *This, DISPID id, LCID lcid, WORD flags, DISPPARAMS *dp,
 894         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 895 {
 896     dispex_data_t *data;
 897     func_info_t *func;
 898     HRESULT hres;
 899
 900     data = get_dispex_data(This);
 901     if(!data)
 902         return E_FAIL;
 903
 904     hres = get_builtin_func(data, id, &func);
 905     if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
 906         return dispex_value(This, lcid, flags, dp, res, ei, caller);
 907     if(FAILED(hres))
 908         return hres;
 909
 910     if(func->func_disp_idx != -1)
 911         return function_invoke(This, func, flags, dp, res, ei);
 912
 913     switch(flags) {
 914     case DISPATCH_PROPERTYPUT:
 915         if(res)
 916             V_VT(res) = VT_EMPTY;
 917         hres = builtin_propput(This, func, dp, caller);
 918         break;
 919     case DISPATCH_PROPERTYGET:
 920         hres = builtin_propget(This, func, dp, res);
 921         break;
 922     default:
 923         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 924     }
 925
 926     return hres;
 927 }
 928
 929 HRESULT remove_prop(DispatchEx *This, BSTR name, VARIANT_BOOL *success)
 930 {
 931     dynamic_prop_t *prop;
 932     DISPID id;
 933     HRESULT hres;
 934
 935     hres = get_builtin_id(This, name, 0, &id);
 936     if(hres == S_OK) {
 937         DISPID named_id = DISPID_PROPERTYPUT;
 938         VARIANT var;
 939         DISPPARAMS dp = {&var,&named_id,1,1};
 940         EXCEPINFO ei;
 941
 942         V_VT(&var) = VT_EMPTY;
 943         memset(&ei, 0, sizeof(ei));
 944         hres = invoke_builtin_prop(This, id, 0, DISPATCH_PROPERTYPUT, &dp, NULL, &ei, NULL);
 945         if(FAILED(hres))
 946             return hres;
 947
 948         *success = VARIANT_TRUE;
 949         return S_OK;
 950     }
 951
 952     hres = get_dynamic_prop(This, name, 0, &prop);
 953     if(FAILED(hres)) {
 954         if(hres != DISP_E_UNKNOWNNAME)
 955             return hres;
 956         *success = VARIANT_FALSE;
 957         return S_OK;
 958     }
 959
 960     VariantClear(&prop->var);
 961     prop->flags |= DYNPROP_DELETED;
 962     *success = VARIANT_TRUE;
 963     return S_OK;
 964 }
 965
 966 static inline DispatchEx *impl_from_IDispatchEx(IDispatchEx *iface)
 967 {
 968     return CONTAINING_RECORD(iface, DispatchEx, IDispatchEx_iface);
 969 }
 970
 971 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 972 {
 973     DispatchEx *This = impl_from_IDispatchEx(iface);
 974
 975     return IUnknown_QueryInterface(This->outer, riid, ppv);
 976 }
 977
 978 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 979 {
 980     DispatchEx *This = impl_from_IDispatchEx(iface);
 981
 982     return IUnknown_AddRef(This->outer);
 983 }
 984
 985 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 986 {
 987     DispatchEx *This = impl_from_IDispatchEx(iface);
 988
 989     return IUnknown_Release(This->outer);
 990 }
 991
 992 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 993 {
 994     DispatchEx *This = impl_from_IDispatchEx(iface);
 995
 996     TRACE("(%p)->(%p)\n", This, pctinfo);
 997
 998     *pctinfo = 1;
 999     return S_OK;
1000 }
1001
1002 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
1003                                               LCID lcid, ITypeInfo **ppTInfo)
1004 {
1005     DispatchEx *This = impl_from_IDispatchEx(iface);
1006     HRESULT hres;
1007
1008     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
1009
1010     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
1011     if(FAILED(hres))
1012         return hres;
1013
1014     ITypeInfo_AddRef(*ppTInfo);
1015     return S_OK;
1016 }
1017
1018 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
1019                                                 LPOLESTR *rgszNames, UINT cNames,
1020                                                 LCID lcid, DISPID *rgDispId)
1021 {
1022     DispatchEx *This = impl_from_IDispatchEx(iface);
1023     UINT i;
1024     HRESULT hres;
1025
1026     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
1027           lcid, rgDispId);
1028
1029     for(i=0; i < cNames; i++) {
1030         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
1031         if(FAILED(hres))
1032             return hres;
1033     }
1034
1035     return S_OK;
1036 }
1037
1038 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
1039                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
1040                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
1041 {
1042     DispatchEx *This = impl_from_IDispatchEx(iface);
1043
1044     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
1045           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
1046
1047     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags, pDispParams,
1048             pVarResult, pExcepInfo, NULL);
1049 }
1050
1051 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
1052 {
1053     DispatchEx *This = impl_from_IDispatchEx(iface);
1054     dynamic_prop_t *dprop;
1055     HRESULT hres;
1056
1057     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
1058
1059     if(grfdex & ~(fdexNameCaseSensitive|fdexNameCaseInsensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
1060         FIXME("Unsupported grfdex %x\n", grfdex);
1061
1062     hres = get_builtin_id(This, bstrName, grfdex, pid);
1063     if(hres != DISP_E_UNKNOWNNAME)
1064         return hres;
1065
1066     hres = get_dynamic_prop(This, bstrName, grfdex, &dprop);
1067     if(FAILED(hres))
1068         return hres;
1069
1070     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
1071     return S_OK;
1072 }
1073
1074 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
1075         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
1076 {
1077     DispatchEx *This = impl_from_IDispatchEx(iface);
1078     HRESULT hres;
1079
1080     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1081
1082     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
1083         return This->data->vtbl->invoke(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1084
1085     if(wFlags == DISPATCH_CONSTRUCT) {
1086         if(id == DISPID_VALUE) {
1087             if(This->data->vtbl && This->data->vtbl->value) {
1088                 return This->data->vtbl->value(This, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1089             }
1090             FIXME("DISPATCH_CONSTRUCT flag but missing value function\n");
1091             return E_FAIL;
1092         }
1093         FIXME("DISPATCH_CONSTRUCT flag without DISPID_VALUE\n");
1094         return E_FAIL;
1095     }
1096
1097     if(is_dynamic_dispid(id)) {
1098         DWORD idx = id - DISPID_DYNPROP_0;
1099         dynamic_prop_t *prop;
1100
1101         if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
1102             return DISP_E_UNKNOWNNAME;
1103
1104         prop = This->dynamic_data->props+idx;
1105
1106         switch(wFlags) {
1107         case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
1108             if(!pvarRes)
1109                 return E_INVALIDARG;
1110             /* fall through */
1111         case DISPATCH_METHOD: {
1112             DISPID named_arg = DISPID_THIS;
1113             DISPPARAMS dp = {NULL, &named_arg, 0, 1};
1114             IDispatchEx *dispex;
1115
1116             if(V_VT(&prop->var) != VT_DISPATCH) {
1117                 FIXME("invoke %s\n", debugstr_variant(&prop->var));
1118                 return E_NOTIMPL;
1119             }
1120
1121             if(pdp->cNamedArgs) {
1122                 FIXME("named args not supported\n");
1123                 return E_NOTIMPL;
1124             }
1125
1126             dp.rgvarg = heap_alloc((pdp->cArgs+1)*sizeof(VARIANTARG));
1127             if(!dp.rgvarg)
1128                 return E_OUTOFMEMORY;
1129
1130             dp.cArgs = pdp->cArgs+1;
1131             memcpy(dp.rgvarg+1, pdp->rgvarg, pdp->cArgs*sizeof(VARIANTARG));
1132
1133             V_VT(dp.rgvarg) = VT_DISPATCH;
1134             V_DISPATCH(dp.rgvarg) = (IDispatch*)&This->IDispatchEx_iface;
1135
1136             hres = IDispatch_QueryInterface(V_DISPATCH(&prop->var), &IID_IDispatchEx, (void**)&dispex);
1137             TRACE("%s call\n", debugstr_w(This->dynamic_data->props[idx].name));
1138             if(SUCCEEDED(hres)) {
1139                 hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, &dp, pvarRes, pei, pspCaller);
1140                 IDispatchEx_Release(dispex);
1141             }else {
1142                 ULONG err = 0;
1143                 hres = IDispatch_Invoke(V_DISPATCH(&prop->var), DISPID_VALUE, &IID_NULL, lcid, wFlags, pdp, pvarRes, pei, &err);
1144             }
1145             TRACE("%s ret %08x\n", debugstr_w(This->dynamic_data->props[idx].name), hres);
1146
1147             heap_free(dp.rgvarg);
1148             return hres;
1149         }
1150         case DISPATCH_PROPERTYGET:
1151             if(prop->flags & DYNPROP_DELETED)
1152                 return DISP_E_UNKNOWNNAME;
1153             V_VT(pvarRes) = VT_EMPTY;
1154             return variant_copy(pvarRes, &prop->var);
1155         case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF:
1156         case DISPATCH_PROPERTYPUT:
1157             if(pdp->cArgs != 1 || (pdp->cNamedArgs == 1 && *pdp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
1158                || pdp->cNamedArgs > 1) {
1159                 FIXME("invalid args\n");
1160                 return E_INVALIDARG;
1161             }
1162
1163             TRACE("put %s\n", debugstr_variant(pdp->rgvarg));
1164             VariantClear(&prop->var);
1165             hres = variant_copy(&prop->var, pdp->rgvarg);
1166             if(FAILED(hres))
1167                 return hres;
1168
1169             prop->flags &= ~DYNPROP_DELETED;
1170             return S_OK;
1171         default:
1172             FIXME("unhandled wFlags %x\n", wFlags);
1173             return E_NOTIMPL;
1174         }
1175     }
1176
1177     return invoke_builtin_prop(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1178 }
1179
1180 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
1181 {
1182     DispatchEx *This = impl_from_IDispatchEx(iface);
1183
1184     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
1185
1186     /* Not implemented by IE */
1187     return E_NOTIMPL;
1188 }
1189
1190 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
1191 {
1192     DispatchEx *This = impl_from_IDispatchEx(iface);
1193
1194     TRACE("(%p)->(%x)\n", This, id);
1195
1196     /* Not implemented by IE */
1197     return E_NOTIMPL;
1198 }
1199
1200 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
1201 {
1202     DispatchEx *This = impl_from_IDispatchEx(iface);
1203     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
1204     return E_NOTIMPL;
1205 }
1206
1207 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
1208 {
1209     DispatchEx *This = impl_from_IDispatchEx(iface);
1210     dispex_data_t *data;
1211     func_info_t *func;
1212     HRESULT hres;
1213
1214     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
1215
1216     if(is_dynamic_dispid(id)) {
1217         DWORD idx = id - DISPID_DYNPROP_0;
1218
1219         if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
1220             return DISP_E_UNKNOWNNAME;
1221
1222         *pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
1223         if(!*pbstrName)
1224             return E_OUTOFMEMORY;
1225
1226         return S_OK;
1227     }
1228
1229     data = get_dispex_data(This);
1230     if(!data)
1231         return E_FAIL;
1232
1233     hres = get_builtin_func(data, id, &func);
1234     if(FAILED(hres))
1235         return hres;
1236
1237     *pbstrName = SysAllocString(func->name);
1238     if(!*pbstrName)
1239         return E_OUTOFMEMORY;
1240     return S_OK;
1241 }
1242
1243 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
1244 {
1245     DispatchEx *This = impl_from_IDispatchEx(iface);
1246     dispex_data_t *data;
1247     func_info_t *func;
1248     HRESULT hres;
1249
1250     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
1251
1252     if(is_dynamic_dispid(id)) {
1253         DWORD idx = id - DISPID_DYNPROP_0;
1254
1255         if(!get_dynamic_data(This) || This->dynamic_data->prop_cnt <= idx)
1256             return DISP_E_UNKNOWNNAME;
1257
1258         while(++idx < This->dynamic_data->prop_cnt && This->dynamic_data->props[idx].flags & DYNPROP_DELETED);
1259
1260         if(idx == This->dynamic_data->prop_cnt) {
1261             *pid = DISPID_STARTENUM;
1262             return S_FALSE;
1263         }
1264
1265         *pid = DISPID_DYNPROP_0+idx;
1266         return S_OK;
1267     }
1268
1269     data = get_dispex_data(This);
1270     if(!data)
1271         return E_FAIL;
1272
1273     if(id == DISPID_STARTENUM) {
1274         func = data->funcs;
1275     }else {
1276         hres = get_builtin_func(data, id, &func);
1277         if(FAILED(hres))
1278             return hres;
1279         func++;
1280     }
1281
1282     while(func < data->funcs+data->func_cnt) {
1283         /* FIXME: Skip hidden properties */
1284         if(func->func_disp_idx == -1) {
1285             *pid = func->id;
1286             return S_OK;
1287         }
1288         func++;
1289     }
1290
1291     if(get_dynamic_data(This) && This->dynamic_data->prop_cnt) {
1292         *pid = DISPID_DYNPROP_0;
1293         return S_OK;
1294     }
1295
1296     *pid = DISPID_STARTENUM;
1297     return S_FALSE;
1298 }
1299
1300 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
1301 {
1302     DispatchEx *This = impl_from_IDispatchEx(iface);
1303     FIXME("(%p)->(%p)\n", This, ppunk);
1304     return E_NOTIMPL;
1305 }
1306
1307 static IDispatchExVtbl DispatchExVtbl = {
1308     DispatchEx_QueryInterface,
1309     DispatchEx_AddRef,
1310     DispatchEx_Release,
1311     DispatchEx_GetTypeInfoCount,
1312     DispatchEx_GetTypeInfo,
1313     DispatchEx_GetIDsOfNames,
1314     DispatchEx_Invoke,
1315     DispatchEx_GetDispID,
1316     DispatchEx_InvokeEx,
1317     DispatchEx_DeleteMemberByName,
1318     DispatchEx_DeleteMemberByDispID,
1319     DispatchEx_GetMemberProperties,
1320     DispatchEx_GetMemberName,
1321     DispatchEx_GetNextDispID,
1322     DispatchEx_GetNameSpaceParent
1323 };
1324
1325 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
1326 {
1327     static const IID IID_UndocumentedScriptIface =
1328         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
1329     static const IID IID_IDispatchJS =
1330         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
1331
1332     if(IsEqualGUID(&IID_IDispatch, riid)) {
1333         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1334         *ppv = &This->IDispatchEx_iface;
1335     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1336         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1337         *ppv = &This->IDispatchEx_iface;
1338     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
1339         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
1340         *ppv = NULL;
1341     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
1342         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
1343         *ppv = NULL;
1344     }else {
1345         return FALSE;
1346     }
1347
1348     if(*ppv)
1349         IUnknown_AddRef((IUnknown*)*ppv);
1350     return TRUE;
1351 }
1352
1353 void release_dispex(DispatchEx *This)
1354 {
1355     dynamic_prop_t *prop;
1356
1357     if(!This->dynamic_data)
1358         return;
1359
1360     for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
1361         VariantClear(&prop->var);
1362         heap_free(prop->name);
1363     }
1364
1365     heap_free(This->dynamic_data->props);
1366
1367     if(This->dynamic_data->func_disps) {
1368         unsigned i;
1369
1370         for(i=0; i < This->data->data->func_disp_cnt; i++) {
1371             if(This->dynamic_data->func_disps[i]) {
1372                 release_dispex(&This->dynamic_data->func_disps[i]->dispex);
1373                 heap_free(This->dynamic_data->func_disps[i]);
1374             }
1375         }
1376
1377         heap_free(This->dynamic_data->func_disps);
1378     }
1379
1380     heap_free(This->dynamic_data);
1381 }
1382
1383 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
1384 {
1385     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
1386     dispex->outer = outer;
1387     dispex->data = data;
1388     dispex->dynamic_data = NULL;
1389 }