reactos/dll/win32/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
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "ole2.h"
  27
  28 #include "wine/debug.h"
  29
  30 #include "mshtml_private.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
  33
  34 static const WCHAR objectW[] = {'[','o','b','j','e','c','t',']',0};
  35
  36 typedef struct {
  37     DISPID id;
  38     BSTR name;
  39     tid_t tid;
  40     int func_disp_idx;
  41 } func_info_t;
  42
  43 struct dispex_data_t {
  44     DWORD func_cnt;
  45     func_info_t *funcs;
  46     func_info_t **name_table;
  47     DWORD func_disp_cnt;
  48
  49     struct list entry;
  50 };
  51
  52 typedef struct {
  53     VARIANT var;
  54     LPWSTR name;
  55     DWORD flags;
  56 } dynamic_prop_t;
  57
  58 #define DYNPROP_DELETED    0x01
  59
  60 typedef struct {
  61     DispatchEx dispex;
  62     const IUnknownVtbl *lpIUnknownVtbl;
  63     DispatchEx *obj;
  64     func_info_t *info;
  65 } func_disp_t;
  66
  67 #define FUNCUNKNOWN(x)  ((IUnknown*) &(x)->lpIUnknownVtbl)
  68
  69 struct dispex_dynamic_data_t {
  70     DWORD buf_size;
  71     DWORD prop_cnt;
  72     dynamic_prop_t *props;
  73     func_disp_t **func_disps;
  74 };
  75
  76 #define DISPID_DYNPROP_0    0x50000000
  77 #define DISPID_DYNPROP_MAX  0x5fffffff
  78
  79 #define FDEX_VERSION_MASK 0xf0000000
  80
  81 static ITypeLib *typelib;
  82 static ITypeInfo *typeinfos[LAST_tid];
  83 static struct list dispex_data_list = LIST_INIT(dispex_data_list);
  84
  85 static REFIID tid_ids[] = {
  86     &IID_NULL,
  87     &DIID_DispCEventObj,
  88     &DIID_DispDOMChildrenCollection,
  89     &DIID_DispHTMLAnchorElement,
  90     &DIID_DispHTMLBody,
  91     &DIID_DispHTMLCommentElement,
  92     &DIID_DispHTMLCurrentStyle,
  93     &DIID_DispHTMLDocument,
  94     &DIID_DispHTMLDOMTextNode,
  95     &DIID_DispHTMLElementCollection,
  96     &DIID_DispHTMLFormElement,
  97     &DIID_DispHTMLGenericElement,
  98     &DIID_DispHTMLFrameElement,
  99     &DIID_DispHTMLIFrame,
 100     &DIID_DispHTMLImg,
 101     &DIID_DispHTMLInputElement,
 102     &DIID_DispHTMLLocation,
 103     &DIID_DispHTMLNavigator,
 104     &DIID_DispHTMLOptionElement,
 105     &DIID_DispHTMLScreen,
 106     &DIID_DispHTMLScriptElement,
 107     &DIID_DispHTMLSelectElement,
 108     &DIID_DispHTMLStyle,
 109     &DIID_DispHTMLTable,
 110     &DIID_DispHTMLTableRow,
 111     &DIID_DispHTMLTextAreaElement,
 112     &DIID_DispHTMLUnknownElement,
 113     &DIID_DispHTMLWindow2,
 114     &DIID_HTMLDocumentEvents,
 115     &IID_IHTMLAnchorElement,
 116     &IID_IHTMLBodyElement,
 117     &IID_IHTMLBodyElement2,
 118     &IID_IHTMLCommentElement,
 119     &IID_IHTMLCurrentStyle,
 120     &IID_IHTMLCurrentStyle2,
 121     &IID_IHTMLCurrentStyle3,
 122     &IID_IHTMLCurrentStyle4,
 123     &IID_IHTMLDocument2,
 124     &IID_IHTMLDocument3,
 125     &IID_IHTMLDocument4,
 126     &IID_IHTMLDocument5,
 127     &IID_IHTMLDOMChildrenCollection,
 128     &IID_IHTMLDOMNode,
 129     &IID_IHTMLDOMNode2,
 130     &IID_IHTMLDOMTextNode,
 131     &IID_IHTMLElement,
 132     &IID_IHTMLElement2,
 133     &IID_IHTMLElement3,
 134     &IID_IHTMLElement4,
 135     &IID_IHTMLElementCollection,
 136     &IID_IHTMLEventObj,
 137     &IID_IHTMLFiltersCollection,
 138     &IID_IHTMLFormElement,
 139     &IID_IHTMLFrameBase,
 140     &IID_IHTMLFrameBase2,
 141     &IID_IHTMLGenericElement,
 142     &IID_IHTMLFrameElement3,
 143     &IID_IHTMLIFrameElement,
 144     &IID_IHTMLImageElementFactory,
 145     &IID_IHTMLImgElement,
 146     &IID_IHTMLInputElement,
 147     &IID_IHTMLLocation,
 148     &IID_IHTMLOptionElement,
 149     &IID_IHTMLScreen,
 150     &IID_IHTMLScriptElement,
 151     &IID_IHTMLSelectElement,
 152     &IID_IHTMLStyle,
 153     &IID_IHTMLStyle2,
 154     &IID_IHTMLStyle3,
 155     &IID_IHTMLStyle4,
 156     &IID_IHTMLTable,
 157     &IID_IHTMLTableRow,
 158     &IID_IHTMLTextAreaElement,
 159     &IID_IHTMLTextContainer,
 160     &IID_IHTMLUniqueName,
 161     &IID_IHTMLWindow2,
 162     &IID_IHTMLWindow3,
 163     &IID_IHTMLWindow4,
 164     &IID_IOmNavigator
 165 };
 166
 167 static HRESULT get_typeinfo(tid_t tid, ITypeInfo **typeinfo)
 168 {
 169     HRESULT hres;
 170
 171     if(!typelib) {
 172         ITypeLib *tl;
 173
 174         hres = LoadRegTypeLib(&LIBID_MSHTML, 4, 0, LOCALE_SYSTEM_DEFAULT, &tl);
 175         if(FAILED(hres)) {
 176             ERR("LoadRegTypeLib failed: %08x\n", hres);
 177             return hres;
 178         }
 179
 180         if(InterlockedCompareExchangePointer((void**)&typelib, tl, NULL))
 181             ITypeLib_Release(tl);
 182     }
 183
 184     if(!typeinfos[tid]) {
 185         ITypeInfo *typeinfo;
 186
 187         hres = ITypeLib_GetTypeInfoOfGuid(typelib, tid_ids[tid], &typeinfo);
 188         if(FAILED(hres)) {
 189             ERR("GetTypeInfoOfGuid(%s) failed: %08x\n", debugstr_guid(tid_ids[tid]), hres);
 190             return hres;
 191         }
 192
 193         if(InterlockedCompareExchangePointer((void**)(typeinfos+tid), typeinfo, NULL))
 194             ITypeInfo_Release(typeinfo);
 195     }
 196
 197     *typeinfo = typeinfos[tid];
 198     return S_OK;
 199 }
 200
 201 void release_typelib(void)
 202 {
 203     dispex_data_t *iter;
 204     unsigned i;
 205
 206     while(!list_empty(&dispex_data_list)) {
 207         iter = LIST_ENTRY(list_head(&dispex_data_list), dispex_data_t, entry);
 208         list_remove(&iter->entry);
 209
 210         for(i=0; i < iter->func_cnt; i++)
 211             SysFreeString(iter->funcs[i].name);
 212
 213         heap_free(iter->funcs);
 214         heap_free(iter->name_table);
 215         heap_free(iter);
 216     }
 217
 218     if(!typelib)
 219         return;
 220
 221     for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
 222         if(typeinfos[i])
 223             ITypeInfo_Release(typeinfos[i]);
 224
 225     ITypeLib_Release(typelib);
 226 }
 227
 228 static void add_func_info(dispex_data_t *data, DWORD *size, tid_t tid, const FUNCDESC *desc, ITypeInfo *dti)
 229 {
 230     HRESULT hres;
 231
 232     if(data->func_cnt && data->funcs[data->func_cnt-1].id == desc->memid)
 233         return;
 234
 235     if(data->func_cnt == *size)
 236         data->funcs = heap_realloc(data->funcs, (*size <<= 1)*sizeof(func_info_t));
 237
 238     hres = ITypeInfo_GetDocumentation(dti, desc->memid, &data->funcs[data->func_cnt].name, NULL, NULL, NULL);
 239     if(FAILED(hres))
 240         return;
 241
 242     data->funcs[data->func_cnt].id = desc->memid;
 243     data->funcs[data->func_cnt].tid = tid;
 244     data->funcs[data->func_cnt].func_disp_idx = (desc->invkind & DISPATCH_METHOD) ? data->func_disp_cnt++ : -1;
 245
 246     data->func_cnt++;
 247 }
 248
 249 static int dispid_cmp(const void *p1, const void *p2)
 250 {
 251     return ((const func_info_t*)p1)->id - ((const func_info_t*)p2)->id;
 252 }
 253
 254 static int func_name_cmp(const void *p1, const void *p2)
 255 {
 256     return strcmpiW((*(func_info_t* const*)p1)->name, (*(func_info_t* const*)p2)->name);
 257 }
 258
 259 static dispex_data_t *preprocess_dispex_data(DispatchEx *This)
 260 {
 261     const tid_t *tid = This->data->iface_tids;
 262     FUNCDESC *funcdesc;
 263     dispex_data_t *data;
 264     DWORD size = 16, i;
 265     ITypeInfo *ti, *dti;
 266     HRESULT hres;
 267
 268     TRACE("(%p)\n", This);
 269
 270     if(This->data->disp_tid) {
 271         hres = get_typeinfo(This->data->disp_tid, &dti);
 272         if(FAILED(hres)) {
 273             ERR("Could not get disp type info: %08x\n", hres);
 274             return NULL;
 275         }
 276     }
 277
 278     data = heap_alloc(sizeof(dispex_data_t));
 279     data->func_cnt = 0;
 280     data->func_disp_cnt = 0;
 281     data->funcs = heap_alloc(size*sizeof(func_info_t));
 282     list_add_tail(&dispex_data_list, &data->entry);
 283
 284     while(*tid) {
 285         hres = get_typeinfo(*tid, &ti);
 286         if(FAILED(hres))
 287             break;
 288
 289         i=7;
 290         while(1) {
 291             hres = ITypeInfo_GetFuncDesc(ti, i++, &funcdesc);
 292             if(FAILED(hres))
 293                 break;
 294
 295             add_func_info(data, &size, *tid, funcdesc, dti);
 296             ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 297         }
 298
 299         tid++;
 300     }
 301
 302     if(!data->func_cnt) {
 303         heap_free(data->funcs);
 304         data->funcs = NULL;
 305     }else if(data->func_cnt != size) {
 306         data->funcs = heap_realloc(data->funcs, data->func_cnt * sizeof(func_info_t));
 307     }
 308
 309     qsort(data->funcs, data->func_cnt, sizeof(func_info_t), dispid_cmp);
 310
 311     if(data->funcs) {
 312         data->name_table = heap_alloc(data->func_cnt * sizeof(func_info_t*));
 313         for(i=0; i < data->func_cnt; i++)
 314             data->name_table[i] = data->funcs+i;
 315         qsort(data->name_table, data->func_cnt, sizeof(func_info_t*), func_name_cmp);
 316     }else {
 317         data->name_table = NULL;
 318     }
 319
 320     return data;
 321 }
 322
 323 static int id_cmp(const void *p1, const void *p2)
 324 {
 325     return *(const DISPID*)p1 - *(const DISPID*)p2;
 326 }
 327
 328 HRESULT get_dispids(tid_t tid, DWORD *ret_size, DISPID **ret)
 329 {
 330     unsigned i, func_cnt;
 331     FUNCDESC *funcdesc;
 332     ITypeInfo *ti;
 333     TYPEATTR *attr;
 334     DISPID *ids;
 335     HRESULT hres;
 336
 337     hres = get_typeinfo(tid, &ti);
 338     if(FAILED(hres))
 339         return hres;
 340
 341     hres = ITypeInfo_GetTypeAttr(ti, &attr);
 342     if(FAILED(hres)) {
 343         ITypeInfo_Release(ti);
 344         return hres;
 345     }
 346
 347     func_cnt = attr->cFuncs;
 348     ITypeInfo_ReleaseTypeAttr(ti, attr);
 349
 350     ids = heap_alloc(func_cnt*sizeof(DISPID));
 351     if(!ids) {
 352         ITypeInfo_Release(ti);
 353         return E_OUTOFMEMORY;
 354     }
 355
 356     for(i=0; i < func_cnt; i++) {
 357         hres = ITypeInfo_GetFuncDesc(ti, i, &funcdesc);
 358         if(FAILED(hres))
 359             break;
 360
 361         ids[i] = funcdesc->memid;
 362         ITypeInfo_ReleaseFuncDesc(ti, funcdesc);
 363     }
 364
 365     ITypeInfo_Release(ti);
 366     if(FAILED(hres)) {
 367         heap_free(ids);
 368         return hres;
 369     }
 370
 371     qsort(ids, func_cnt, sizeof(DISPID), id_cmp);
 372
 373     *ret_size = func_cnt;
 374     *ret = ids;
 375     return S_OK;
 376 }
 377
 378 static CRITICAL_SECTION cs_dispex_static_data;
 379 static CRITICAL_SECTION_DEBUG cs_dispex_static_data_dbg =
 380 {
 381     0, 0, &cs_dispex_static_data,
 382     { &cs_dispex_static_data_dbg.ProcessLocksList, &cs_dispex_static_data_dbg.ProcessLocksList },
 383       0, 0, { (DWORD_PTR)(__FILE__ ": dispex_static_data") }
 384 };
 385 static CRITICAL_SECTION cs_dispex_static_data = { &cs_dispex_static_data_dbg, -1, 0, 0, 0, 0 };
 386
 387
 388 static dispex_data_t *get_dispex_data(DispatchEx *This)
 389 {
 390     if(This->data->data)
 391         return This->data->data;
 392
 393     EnterCriticalSection(&cs_dispex_static_data);
 394
 395     if(!This->data->data)
 396         This->data->data = preprocess_dispex_data(This);
 397
 398     LeaveCriticalSection(&cs_dispex_static_data);
 399
 400     return This->data->data;
 401 }
 402
 403 HRESULT call_disp_func(IDispatch *disp, DISPPARAMS *dp)
 404 {
 405     EXCEPINFO ei;
 406     IDispatchEx *dispex;
 407     VARIANT res;
 408     HRESULT hres;
 409
 410     VariantInit(&res);
 411     memset(&ei, 0, sizeof(ei));
 412
 413     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 414     if(SUCCEEDED(hres)) {
 415         hres = IDispatchEx_InvokeEx(dispex, 0, GetUserDefaultLCID(), DISPATCH_METHOD, dp, &res, &ei, NULL);
 416         IDispatchEx_Release(dispex);
 417     }else {
 418         TRACE("Could not get IDispatchEx interface: %08x\n", hres);
 419         hres = IDispatch_Invoke(disp, 0, &IID_NULL, GetUserDefaultLCID(), DISPATCH_METHOD,
 420                 dp, &res, &ei, NULL);
 421     }
 422
 423     VariantClear(&res);
 424     return hres;
 425 }
 426
 427 static inline BOOL is_custom_dispid(DISPID id)
 428 {
 429     return MSHTML_DISPID_CUSTOM_MIN <= id && id <= MSHTML_DISPID_CUSTOM_MAX;
 430 }
 431
 432 static inline BOOL is_dynamic_dispid(DISPID id)
 433 {
 434     return DISPID_DYNPROP_0 <= id && id <= DISPID_DYNPROP_MAX;
 435 }
 436
 437 static inline dispex_dynamic_data_t *get_dynamic_data(DispatchEx *This, BOOL alloc)
 438 {
 439     return !alloc || This->dynamic_data
 440         ? This->dynamic_data
 441         : (This->dynamic_data = heap_alloc_zero(sizeof(dispex_dynamic_data_t)));
 442 }
 443
 444 static HRESULT get_dynamic_prop(DispatchEx *This, const WCHAR *name, DWORD flags, dynamic_prop_t **ret)
 445 {
 446     const BOOL alloc = flags & fdexNameEnsure;
 447     dispex_dynamic_data_t *data;
 448     dynamic_prop_t *prop;
 449
 450     data = get_dynamic_data(This, alloc);
 451     if(!data) {
 452         if(alloc)
 453             return E_OUTOFMEMORY;
 454
 455         TRACE("not found %s\n", debugstr_w(name));
 456         return DISP_E_UNKNOWNNAME;
 457     }
 458
 459     for(prop = data->props; prop < data->props+data->prop_cnt; prop++) {
 460         if(flags & fdexNameCaseInsensitive ? !strcmpiW(prop->name, name) : !strcmpW(prop->name, name)) {
 461             if(prop->flags & DYNPROP_DELETED) {
 462                 if(!alloc)
 463                     return DISP_E_UNKNOWNNAME;
 464                 prop->flags &= ~DYNPROP_DELETED;
 465             }
 466             *ret = prop;
 467             return S_OK;
 468         }
 469     }
 470
 471     if(!alloc)
 472         return DISP_E_UNKNOWNNAME;
 473
 474     TRACE("creating dynamic prop %s\n", debugstr_w(name));
 475
 476     if(!data->buf_size) {
 477         data->props = heap_alloc(sizeof(dynamic_prop_t)*4);
 478         if(!data->props)
 479             return E_OUTOFMEMORY;
 480         data->buf_size = 4;
 481     }else if(data->buf_size == data->prop_cnt) {
 482         dynamic_prop_t *new_props;
 483
 484         new_props = heap_realloc(data->props, sizeof(dynamic_prop_t)*(data->buf_size<<1));
 485         if(!new_props)
 486             return E_OUTOFMEMORY;
 487
 488         data->props = new_props;
 489         data->buf_size <<= 1;
 490     }
 491
 492     prop = data->props + data->prop_cnt;
 493
 494     prop->name = heap_strdupW(name);
 495     if(!prop->name)
 496         return E_OUTOFMEMORY;
 497
 498     VariantInit(&prop->var);
 499     prop->flags = 0;
 500     data->prop_cnt++;
 501     *ret = prop;
 502     return S_OK;
 503 }
 504
 505 HRESULT dispex_get_dprop_ref(DispatchEx *This, const WCHAR *name, BOOL alloc, VARIANT **ret)
 506 {
 507     dynamic_prop_t *prop;
 508     HRESULT hres;
 509
 510     hres = get_dynamic_prop(This, name, alloc ? fdexNameEnsure : 0, &prop);
 511     if(FAILED(hres))
 512         return hres;
 513
 514     *ret = &prop->var;
 515     return S_OK;
 516 }
 517
 518 static HRESULT dispex_value(DispatchEx *This, LCID lcid, WORD flags, DISPPARAMS *params,
 519         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 520 {
 521     if(This->data->vtbl && This->data->vtbl->value)
 522         return This->data->vtbl->value(This->outer, lcid, flags, params, res, ei, caller);
 523
 524     switch(flags) {
 525     case DISPATCH_PROPERTYGET:
 526         V_VT(res) = VT_BSTR;
 527         V_BSTR(res) = SysAllocString(objectW);
 528         if(!V_BSTR(res))
 529             return E_OUTOFMEMORY;
 530         break;
 531     default:
 532         FIXME("Unimplemented flags %x\n", flags);
 533         return E_NOTIMPL;
 534     }
 535
 536     return S_OK;
 537 }
 538
 539 static HRESULT typeinfo_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 540         EXCEPINFO *ei)
 541 {
 542     ITypeInfo *ti;
 543     IUnknown *unk;
 544     UINT argerr=0;
 545     HRESULT hres;
 546
 547     hres = get_typeinfo(func->tid, &ti);
 548     if(FAILED(hres)) {
 549         ERR("Could not get type info: %08x\n", hres);
 550         return hres;
 551     }
 552
 553     hres = IUnknown_QueryInterface(This->outer, tid_ids[func->tid], (void**)&unk);
 554     if(FAILED(hres)) {
 555         ERR("Could not get iface %s: %08x\n", debugstr_guid(tid_ids[func->tid]), hres);
 556         return E_FAIL;
 557     }
 558
 559     hres = ITypeInfo_Invoke(ti, unk, func->id, flags, dp, res, ei, &argerr);
 560
 561     IUnknown_Release(unk);
 562     return hres;
 563 }
 564
 565 #define FUNCTION_THIS(iface) DEFINE_THIS(func_disp_t, IUnknown, iface)
 566
 567 static HRESULT WINAPI Function_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
 568 {
 569     func_disp_t *This = FUNCTION_THIS(iface);
 570
 571     if(IsEqualGUID(&IID_IUnknown, riid)) {
 572         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 573         *ppv = FUNCUNKNOWN(This);
 574     }else if(dispex_query_interface(&This->dispex, riid, ppv)) {
 575         return *ppv ? S_OK : E_NOINTERFACE;
 576     }else {
 577         *ppv = NULL;
 578         return E_NOINTERFACE;
 579     }
 580
 581     IUnknown_AddRef((IUnknown*)*ppv);
 582     return S_OK;
 583 }
 584
 585 static ULONG WINAPI Function_AddRef(IUnknown *iface)
 586 {
 587     func_disp_t *This = FUNCTION_THIS(iface);
 588
 589     TRACE("(%p)\n", This);
 590
 591     return IDispatchEx_AddRef(DISPATCHEX(This->obj));
 592 }
 593
 594 static ULONG WINAPI Function_Release(IUnknown *iface)
 595 {
 596     func_disp_t *This = FUNCTION_THIS(iface);
 597
 598     TRACE("(%p)\n", This);
 599
 600     return IDispatchEx_Release(DISPATCHEX(This->obj));
 601 }
 602
 603 static HRESULT function_value(IUnknown *iface, LCID lcid, WORD flags, DISPPARAMS *params,
 604         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 605 {
 606     func_disp_t *This = FUNCTION_THIS(iface);
 607     HRESULT hres;
 608
 609     switch(flags) {
 610     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 611         if(!res)
 612             return E_INVALIDARG;
 613     case DISPATCH_METHOD:
 614         hres = typeinfo_invoke(This->obj, This->info, flags, params, res, ei);
 615         break;
 616     default:
 617         FIXME("Unimplemented flags %x\n", flags);
 618         hres = E_NOTIMPL;
 619     }
 620
 621     return hres;
 622 }
 623
 624 #undef FUNCTION_THIS
 625
 626 static const IUnknownVtbl FunctionUnkVtbl = {
 627     Function_QueryInterface,
 628     Function_AddRef,
 629     Function_Release
 630 };
 631
 632 static const dispex_static_data_vtbl_t function_dispex_vtbl = {
 633     function_value,
 634     NULL,
 635     NULL
 636 };
 637
 638 static const tid_t function_iface_tids[] = {0};
 639
 640 static dispex_static_data_t function_dispex = {
 641     &function_dispex_vtbl,
 642     NULL_tid,
 643     NULL,
 644     function_iface_tids
 645 };
 646
 647 static func_disp_t *create_func_disp(DispatchEx *obj, func_info_t *info)
 648 {
 649     func_disp_t *ret;
 650
 651     ret = heap_alloc_zero(sizeof(func_disp_t));
 652     if(!ret)
 653         return NULL;
 654
 655     ret->lpIUnknownVtbl = &FunctionUnkVtbl;
 656     init_dispex(&ret->dispex, FUNCUNKNOWN(ret),  &function_dispex);
 657     ret->obj = obj;
 658     ret->info = info;
 659
 660     return ret;
 661 }
 662
 663 static HRESULT function_invoke(DispatchEx *This, func_info_t *func, WORD flags, DISPPARAMS *dp, VARIANT *res,
 664         EXCEPINFO *ei)
 665 {
 666     HRESULT hres;
 667
 668     switch(flags) {
 669     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 670         if(!res)
 671             return E_INVALIDARG;
 672     case DISPATCH_METHOD:
 673         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 674         break;
 675     case DISPATCH_PROPERTYGET: {
 676         dispex_dynamic_data_t *dynamic_data;
 677
 678         if(func->id == DISPID_VALUE) {
 679             BSTR ret;
 680
 681             ret = SysAllocString(objectW);
 682             if(!ret)
 683                 return E_OUTOFMEMORY;
 684
 685             V_VT(res) = VT_BSTR;
 686             V_BSTR(res) = ret;
 687             return S_OK;
 688         }
 689
 690         dynamic_data = get_dynamic_data(This, TRUE);
 691         if(!dynamic_data)
 692             return E_OUTOFMEMORY;
 693
 694         if(!dynamic_data->func_disps) {
 695             dynamic_data->func_disps = heap_alloc_zero(This->data->data->func_disp_cnt * sizeof(func_disp_t*));
 696             if(!dynamic_data->func_disps)
 697                 return E_OUTOFMEMORY;
 698         }
 699
 700         if(!dynamic_data->func_disps[func->func_disp_idx]) {
 701             dynamic_data->func_disps[func->func_disp_idx] = create_func_disp(This, func);
 702             if(!dynamic_data->func_disps[func->func_disp_idx])
 703                 return E_OUTOFMEMORY;
 704         }
 705
 706         V_VT(res) = VT_DISPATCH;
 707         V_DISPATCH(res) = (IDispatch*)DISPATCHEX(&dynamic_data->func_disps[func->func_disp_idx]->dispex);
 708         IDispatch_AddRef(V_DISPATCH(res));
 709         hres = S_OK;
 710         break;
 711     }
 712     default:
 713         FIXME("Unimplemented flags %x\n", flags);
 714     case DISPATCH_PROPERTYPUT:
 715         hres = E_NOTIMPL;
 716     }
 717
 718     return hres;
 719 }
 720
 721 static HRESULT get_builtin_func(dispex_data_t *data, DISPID id, func_info_t **ret)
 722 {
 723     int min, max, n;
 724
 725     min = 0;
 726     max = data->func_cnt-1;
 727
 728     while(min <= max) {
 729         n = (min+max)/2;
 730
 731         if(data->funcs[n].id == id) {
 732             *ret = data->funcs+n;
 733             return S_OK;
 734         }
 735
 736         if(data->funcs[n].id < id)
 737             min = n+1;
 738         else
 739             max = n-1;
 740     }
 741
 742     WARN("invalid id %x\n", id);
 743     return DISP_E_UNKNOWNNAME;
 744 }
 745
 746 static HRESULT get_builtin_id(DispatchEx *This, BSTR name, DWORD grfdex, DISPID *ret)
 747 {
 748     dispex_data_t *data;
 749     int min, max, n, c;
 750
 751     data = get_dispex_data(This);
 752     if(!data)
 753         return E_FAIL;
 754
 755     min = 0;
 756     max = data->func_cnt-1;
 757
 758     while(min <= max) {
 759         n = (min+max)/2;
 760
 761         c = strcmpiW(data->name_table[n]->name, name);
 762         if(!c) {
 763             if((grfdex & fdexNameCaseSensitive) && strcmpW(data->name_table[n]->name, name))
 764                 break;
 765
 766             *ret = data->name_table[n]->id;
 767             return S_OK;
 768         }
 769
 770         if(c > 0)
 771             max = n-1;
 772         else
 773             min = n+1;
 774     }
 775
 776     if(This->data->vtbl && This->data->vtbl->get_dispid) {
 777         HRESULT hres;
 778
 779         hres = This->data->vtbl->get_dispid(This->outer, name, grfdex, ret);
 780         if(hres != DISP_E_UNKNOWNNAME)
 781             return hres;
 782     }
 783
 784     return DISP_E_UNKNOWNNAME;
 785 }
 786
 787 static HRESULT invoke_builtin_prop(DispatchEx *This, DISPID id, LCID lcid, WORD flags, DISPPARAMS *dp,
 788         VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
 789 {
 790     dispex_data_t *data;
 791     func_info_t *func;
 792     HRESULT hres;
 793
 794     data = get_dispex_data(This);
 795     if(!data)
 796         return E_FAIL;
 797
 798     hres = get_builtin_func(data, id, &func);
 799     if(id == DISPID_VALUE && hres == DISP_E_UNKNOWNNAME)
 800         return dispex_value(This, lcid, flags, dp, res, ei, caller);
 801     if(FAILED(hres))
 802         return hres;
 803
 804     if(func->func_disp_idx == -1)
 805         hres = typeinfo_invoke(This, func, flags, dp, res, ei);
 806     else
 807         hres = function_invoke(This, func, flags, dp, res, ei);
 808
 809     return hres;
 810 }
 811
 812 HRESULT remove_prop(DispatchEx *This, BSTR name, VARIANT_BOOL *success)
 813 {
 814     dynamic_prop_t *prop;
 815     DISPID id;
 816     HRESULT hres;
 817
 818     hres = get_builtin_id(This, name, 0, &id);
 819     if(hres == S_OK) {
 820         DISPID named_id = DISPID_PROPERTYPUT;
 821         VARIANT var;
 822         DISPPARAMS dp = {&var,&named_id,1,1};
 823         EXCEPINFO ei;
 824
 825         V_VT(&var) = VT_EMPTY;
 826         memset(&ei, 0, sizeof(ei));
 827         hres = invoke_builtin_prop(This, id, 0, DISPATCH_PROPERTYPUT, &dp, NULL, &ei, NULL);
 828         if(FAILED(hres))
 829             return hres;
 830
 831         *success = VARIANT_TRUE;
 832         return S_OK;
 833     }
 834
 835     hres = get_dynamic_prop(This, name, 0, &prop);
 836     if(FAILED(hres)) {
 837         if(hres != DISP_E_UNKNOWNNAME)
 838             return hres;
 839         *success = VARIANT_FALSE;
 840         return S_OK;
 841     }
 842
 843     VariantClear(&prop->var);
 844     prop->flags |= DYNPROP_DELETED;
 845     *success = VARIANT_TRUE;
 846     return S_OK;
 847 }
 848
 849 #define DISPATCHEX_THIS(iface) DEFINE_THIS(DispatchEx, IDispatchEx, iface)
 850
 851 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 852 {
 853     DispatchEx *This = DISPATCHEX_THIS(iface);
 854
 855     return IUnknown_QueryInterface(This->outer, riid, ppv);
 856 }
 857
 858 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 859 {
 860     DispatchEx *This = DISPATCHEX_THIS(iface);
 861
 862     return IUnknown_AddRef(This->outer);
 863 }
 864
 865 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 866 {
 867     DispatchEx *This = DISPATCHEX_THIS(iface);
 868
 869     return IUnknown_Release(This->outer);
 870 }
 871
 872 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 873 {
 874     DispatchEx *This = DISPATCHEX_THIS(iface);
 875
 876     TRACE("(%p)->(%p)\n", This, pctinfo);
 877
 878     *pctinfo = 1;
 879     return S_OK;
 880 }
 881
 882 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo,
 883                                               LCID lcid, ITypeInfo **ppTInfo)
 884 {
 885     DispatchEx *This = DISPATCHEX_THIS(iface);
 886     HRESULT hres;
 887
 888     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 889
 890     hres = get_typeinfo(This->data->disp_tid, ppTInfo);
 891     if(FAILED(hres))
 892         return hres;
 893
 894     ITypeInfo_AddRef(*ppTInfo);
 895     return S_OK;
 896 }
 897
 898 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 899                                                 LPOLESTR *rgszNames, UINT cNames,
 900                                                 LCID lcid, DISPID *rgDispId)
 901 {
 902     DispatchEx *This = DISPATCHEX_THIS(iface);
 903     UINT i;
 904     HRESULT hres;
 905
 906     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 907           lcid, rgDispId);
 908
 909     for(i=0; i < cNames; i++) {
 910         hres = IDispatchEx_GetDispID(DISPATCHEX(This), rgszNames[i], 0, rgDispId+i);
 911         if(FAILED(hres))
 912             return hres;
 913     }
 914
 915     return S_OK;
 916 }
 917
 918 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 919                             REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 920                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 921 {
 922     DispatchEx *This = DISPATCHEX_THIS(iface);
 923
 924     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 925           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 926
 927     return IDispatchEx_InvokeEx(DISPATCHEX(This), dispIdMember, lcid, wFlags,
 928                                 pDispParams, pVarResult, pExcepInfo, NULL);
 929 }
 930
 931 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 932 {
 933     DispatchEx *This = DISPATCHEX_THIS(iface);
 934     dynamic_prop_t *dprop;
 935     HRESULT hres;
 936
 937     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 938
 939     if(grfdex & ~(fdexNameCaseSensitive|fdexNameCaseInsensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 940         FIXME("Unsupported grfdex %x\n", grfdex);
 941
 942     hres = get_builtin_id(This, bstrName, grfdex, pid);
 943     if(hres != DISP_E_UNKNOWNNAME)
 944         return hres;
 945
 946     hres = get_dynamic_prop(This, bstrName, grfdex, &dprop);
 947     if(FAILED(hres))
 948         return hres;
 949
 950     *pid = DISPID_DYNPROP_0 + (dprop - This->dynamic_data->props);
 951     return S_OK;
 952 }
 953
 954 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 955         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 956 {
 957     DispatchEx *This = DISPATCHEX_THIS(iface);
 958     HRESULT hres;
 959
 960     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 961
 962     if(is_custom_dispid(id) && This->data->vtbl && This->data->vtbl->invoke)
 963         return This->data->vtbl->invoke(This->outer, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 964
 965     if(wFlags == DISPATCH_CONSTRUCT) {
 966         if(id == DISPID_VALUE) {
 967             if(This->data->vtbl && This->data->vtbl->value) {
 968                 return This->data->vtbl->value(This->outer, lcid, wFlags, pdp,
 969                         pvarRes, pei, pspCaller);
 970             }
 971             FIXME("DISPATCH_CONSTRUCT flag but missing value function\n");
 972             return E_FAIL;
 973         }
 974         FIXME("DISPATCH_CONSTRUCT flag without DISPID_VALUE\n");
 975         return E_FAIL;
 976     }
 977
 978     if(is_dynamic_dispid(id)) {
 979         DWORD idx = id - DISPID_DYNPROP_0;
 980         dynamic_prop_t *prop;
 981
 982         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
 983             return DISP_E_UNKNOWNNAME;
 984
 985         prop = This->dynamic_data->props+idx;
 986
 987         switch(wFlags) {
 988         case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 989             if(!pvarRes)
 990                 return E_INVALIDARG;
 991         case DISPATCH_METHOD: {
 992             DISPID named_arg = DISPID_THIS;
 993             DISPPARAMS dp = {NULL, &named_arg, 0, 1};
 994             IDispatchEx *dispex;
 995
 996             if(V_VT(&prop->var) != VT_DISPATCH) {
 997                 FIXME("invoke %s\n", debugstr_variant(&prop->var));
 998                 return E_NOTIMPL;
 999             }
1000
1001             if(pdp->cNamedArgs) {
1002                 FIXME("named args not supported\n");
1003                 return E_NOTIMPL;
1004             }
1005
1006             dp.rgvarg = heap_alloc((pdp->cArgs+1)*sizeof(VARIANTARG));
1007             if(!dp.rgvarg)
1008                 return E_OUTOFMEMORY;
1009
1010             dp.cArgs = pdp->cArgs+1;
1011             memcpy(dp.rgvarg+1, pdp->rgvarg, pdp->cArgs*sizeof(VARIANTARG));
1012
1013             V_VT(dp.rgvarg) = VT_DISPATCH;
1014             V_DISPATCH(dp.rgvarg) = (IDispatch*)DISPATCHEX(This);
1015
1016             hres = IDispatch_QueryInterface(V_DISPATCH(&prop->var), &IID_IDispatchEx, (void**)&dispex);
1017             TRACE("%s call\n", debugstr_w(This->dynamic_data->props[idx].name));
1018             if(SUCCEEDED(hres)) {
1019                 hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, lcid, wFlags, &dp, pvarRes, pei, pspCaller);
1020                 IDispatchEx_Release(dispex);
1021             }else {
1022                 ULONG err = 0;
1023                 hres = IDispatch_Invoke(V_DISPATCH(&prop->var), DISPID_VALUE, &IID_NULL, lcid, wFlags, pdp, pvarRes, pei, &err);
1024             }
1025             TRACE("%s ret %08x\n", debugstr_w(This->dynamic_data->props[idx].name), hres);
1026
1027             heap_free(dp.rgvarg);
1028             return hres;
1029         }
1030         case DISPATCH_PROPERTYGET:
1031             if(prop->flags & DYNPROP_DELETED)
1032                 return DISP_E_UNKNOWNNAME;
1033             return VariantCopy(pvarRes, &prop->var);
1034         case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF:
1035         case DISPATCH_PROPERTYPUT:
1036             if(pdp->cArgs != 1 || (pdp->cNamedArgs == 1 && *pdp->rgdispidNamedArgs != DISPID_PROPERTYPUT)
1037                || pdp->cNamedArgs > 1) {
1038                 FIXME("invalid args\n");
1039                 return E_INVALIDARG;
1040             }
1041
1042             TRACE("put %s\n", debugstr_variant(pdp->rgvarg));
1043             VariantClear(&prop->var);
1044             hres = VariantCopy(&prop->var, pdp->rgvarg);
1045             if(FAILED(hres))
1046                 return hres;
1047
1048             prop->flags &= ~DYNPROP_DELETED;
1049             return S_OK;
1050         default:
1051             FIXME("unhandled wFlags %x\n", wFlags);
1052             return E_NOTIMPL;
1053         }
1054     }
1055
1056     return invoke_builtin_prop(This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1057 }
1058
1059 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
1060 {
1061     DispatchEx *This = DISPATCHEX_THIS(iface);
1062
1063     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
1064
1065     /* Not implemented by IE */
1066     return E_NOTIMPL;
1067 }
1068
1069 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
1070 {
1071     DispatchEx *This = DISPATCHEX_THIS(iface);
1072     FIXME("(%p)->(%x)\n", This, id);
1073     return E_NOTIMPL;
1074 }
1075
1076 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
1077 {
1078     DispatchEx *This = DISPATCHEX_THIS(iface);
1079     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
1080     return E_NOTIMPL;
1081 }
1082
1083 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
1084 {
1085     DispatchEx *This = DISPATCHEX_THIS(iface);
1086     dispex_data_t *data;
1087     func_info_t *func;
1088     HRESULT hres;
1089
1090     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
1091
1092     if(is_dynamic_dispid(id)) {
1093         DWORD idx = id - DISPID_DYNPROP_0;
1094
1095         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
1096             return DISP_E_UNKNOWNNAME;
1097
1098         *pbstrName = SysAllocString(This->dynamic_data->props[idx].name);
1099         if(!*pbstrName)
1100             return E_OUTOFMEMORY;
1101
1102         return S_OK;
1103     }
1104
1105     data = get_dispex_data(This);
1106     if(!data)
1107         return E_FAIL;
1108
1109     hres = get_builtin_func(data, id, &func);
1110     if(FAILED(hres))
1111         return hres;
1112
1113     *pbstrName = SysAllocString(func->name);
1114     if(!*pbstrName)
1115         return E_OUTOFMEMORY;
1116     return S_OK;
1117 }
1118
1119 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
1120 {
1121     DispatchEx *This = DISPATCHEX_THIS(iface);
1122     dispex_data_t *data;
1123     func_info_t *func;
1124     HRESULT hres;
1125
1126     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
1127
1128     if(is_dynamic_dispid(id)) {
1129         DWORD idx = id - DISPID_DYNPROP_0;
1130
1131         if(!This->dynamic_data || This->dynamic_data->prop_cnt <= idx)
1132             return DISP_E_UNKNOWNNAME;
1133
1134         while(++idx < This->dynamic_data->prop_cnt && This->dynamic_data->props[idx].flags & DYNPROP_DELETED);
1135
1136         if(idx == This->dynamic_data->prop_cnt) {
1137             *pid = DISPID_STARTENUM;
1138             return S_FALSE;
1139         }
1140
1141         *pid = DISPID_DYNPROP_0+idx;
1142         return S_OK;
1143     }
1144
1145     data = get_dispex_data(This);
1146     if(!data)
1147         return E_FAIL;
1148
1149     if(id == DISPID_STARTENUM) {
1150         func = data->funcs;
1151     }else {
1152         hres = get_builtin_func(data, id, &func);
1153         if(FAILED(hres))
1154             return hres;
1155         func++;
1156     }
1157
1158     while(func < data->funcs+data->func_cnt) {
1159         /* FIXME: Skip hidden properties */
1160         if(func->func_disp_idx == -1) {
1161             *pid = func->id;
1162             return S_OK;
1163         }
1164         func++;
1165     }
1166
1167     if(This->dynamic_data && This->dynamic_data->prop_cnt) {
1168         *pid = DISPID_DYNPROP_0;
1169         return S_OK;
1170     }
1171
1172     *pid = DISPID_STARTENUM;
1173     return S_FALSE;
1174 }
1175
1176 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
1177 {
1178     DispatchEx *This = DISPATCHEX_THIS(iface);
1179     FIXME("(%p)->(%p)\n", This, ppunk);
1180     return E_NOTIMPL;
1181 }
1182
1183 #undef DISPATCHEX_THIS
1184
1185 static IDispatchExVtbl DispatchExVtbl = {
1186     DispatchEx_QueryInterface,
1187     DispatchEx_AddRef,
1188     DispatchEx_Release,
1189     DispatchEx_GetTypeInfoCount,
1190     DispatchEx_GetTypeInfo,
1191     DispatchEx_GetIDsOfNames,
1192     DispatchEx_Invoke,
1193     DispatchEx_GetDispID,
1194     DispatchEx_InvokeEx,
1195     DispatchEx_DeleteMemberByName,
1196     DispatchEx_DeleteMemberByDispID,
1197     DispatchEx_GetMemberProperties,
1198     DispatchEx_GetMemberName,
1199     DispatchEx_GetNextDispID,
1200     DispatchEx_GetNameSpaceParent
1201 };
1202
1203 BOOL dispex_query_interface(DispatchEx *This, REFIID riid, void **ppv)
1204 {
1205     static const IID IID_UndocumentedScriptIface =
1206         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa0}};
1207     static const IID IID_IDispatchJS =
1208         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
1209
1210     if(IsEqualGUID(&IID_IDispatch, riid)) {
1211         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1212         *ppv = DISPATCHEX(This);
1213     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1214         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1215         *ppv = DISPATCHEX(This);
1216     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
1217         TRACE("(%p)->(IID_IDispatchJS %p) returning NULL\n", This, ppv);
1218         *ppv = NULL;
1219     }else if(IsEqualGUID(&IID_UndocumentedScriptIface, riid)) {
1220         TRACE("(%p)->(IID_UndocumentedScriptIface %p) returning NULL\n", This, ppv);
1221         *ppv = NULL;
1222     }else {
1223         return FALSE;
1224     }
1225
1226     if(*ppv)
1227         IUnknown_AddRef((IUnknown*)*ppv);
1228     return TRUE;
1229 }
1230
1231 void release_dispex(DispatchEx *This)
1232 {
1233     dynamic_prop_t *prop;
1234
1235     if(!This->dynamic_data)
1236         return;
1237
1238     for(prop = This->dynamic_data->props; prop < This->dynamic_data->props + This->dynamic_data->prop_cnt; prop++) {
1239         VariantClear(&prop->var);
1240         heap_free(prop->name);
1241     }
1242
1243     heap_free(This->dynamic_data->props);
1244
1245     if(This->dynamic_data->func_disps) {
1246         unsigned i;
1247
1248         for(i=0; i < This->data->data->func_disp_cnt; i++) {
1249             if(This->dynamic_data->func_disps[i]) {
1250                 release_dispex(&This->dynamic_data->func_disps[i]->dispex);
1251                 heap_free(This->dynamic_data->func_disps[i]);
1252             }
1253         }
1254
1255         heap_free(This->dynamic_data->func_disps);
1256     }
1257
1258     heap_free(This->dynamic_data);
1259 }
1260
1261 void init_dispex(DispatchEx *dispex, IUnknown *outer, dispex_static_data_t *data)
1262 {
1263     dispex->lpIDispatchExVtbl = &DispatchExVtbl;
1264     dispex->outer = outer;
1265     dispex->data = data;
1266     dispex->dynamic_data = NULL;
1267 }