dlls/vbscript/vbdisp.c

   1 /*
   2  * Copyright 2011 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 <assert.h>
  20
  21 #include "vbscript.h"
  22
  23 #include "wine/debug.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
  26
  27 #define FDEX_VERSION_MASK 0xf0000000
  28
  29 static inline BOOL is_func_id(vbdisp_t *This, DISPID id)
  30 {
  31     return id < This->desc->func_cnt;
  32 }
  33
  34 static BOOL get_func_id(vbdisp_t *This, const WCHAR *name, vbdisp_invoke_type_t invoke_type, BOOL search_private, DISPID *id)
  35 {
  36     unsigned i;
  37
  38     for(i = invoke_type == VBDISP_ANY ? 0 : 1; i < This->desc->func_cnt; i++) {
  39         if(invoke_type == VBDISP_ANY) {
  40             if(!search_private && !This->desc->funcs[i].is_public)
  41                 continue;
  42             if(!i && !This->desc->funcs[0].name) /* default value may not exist */
  43                 continue;
  44         }else {
  45             if(!This->desc->funcs[i].entries[invoke_type]
  46                 || (!search_private && !This->desc->funcs[i].entries[invoke_type]->is_public))
  47                 continue;
  48         }
  49
  50         if(!strcmpiW(This->desc->funcs[i].name, name)) {
  51             *id = i;
  52             return TRUE;
  53         }
  54     }
  55
  56     return FALSE;
  57 }
  58
  59 HRESULT vbdisp_get_id(vbdisp_t *This, BSTR name, vbdisp_invoke_type_t invoke_type, BOOL search_private, DISPID *id)
  60 {
  61     unsigned i;
  62
  63     if(get_func_id(This, name, invoke_type, search_private, id))
  64         return S_OK;
  65
  66     for(i=0; i < This->desc->prop_cnt; i++) {
  67         if(!search_private && !This->desc->props[i].is_public)
  68             continue;
  69
  70         if(!strcmpiW(This->desc->props[i].name, name)) {
  71             *id = i + This->desc->func_cnt;
  72             return S_OK;
  73         }
  74     }
  75
  76     if(This->desc->typeinfo) {
  77         HRESULT hres;
  78
  79         hres = ITypeInfo_GetIDsOfNames(This->desc->typeinfo, &name, 1, id);
  80         if(SUCCEEDED(hres))
  81             return S_OK;
  82     }
  83
  84     *id = -1;
  85     return DISP_E_UNKNOWNNAME;
  86 }
  87
  88 static HRESULT get_propput_arg(script_ctx_t *ctx, const DISPPARAMS *dp, WORD flags, VARIANT *v, BOOL *is_owned)
  89 {
  90     unsigned i;
  91
  92     for(i=0; i < dp->cNamedArgs; i++) {
  93         if(dp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
  94             break;
  95     }
  96     if(i == dp->cNamedArgs) {
  97         WARN("no value to set\n");
  98         return DISP_E_PARAMNOTOPTIONAL;
  99     }
 100
 101     *v = dp->rgvarg[i];
 102     if(V_VT(v) == (VT_VARIANT|VT_BYREF))
 103         *v = *V_VARIANTREF(v);
 104     *is_owned = FALSE;
 105
 106     if(V_VT(v) == VT_DISPATCH) {
 107         if(!(flags & DISPATCH_PROPERTYPUTREF)) {
 108             HRESULT hres;
 109
 110             hres = get_disp_value(ctx, V_DISPATCH(v), v);
 111             if(FAILED(hres))
 112                 return hres;
 113
 114             *is_owned = TRUE;
 115         }
 116     }else if(!(flags & DISPATCH_PROPERTYPUT)) {
 117         WARN("%s can't be assigned without DISPATCH_PROPERTYPUT flag\n", debugstr_variant(v));
 118         return DISP_E_EXCEPTION;
 119     }
 120
 121     return S_OK;
 122 }
 123
 124 static HRESULT invoke_variant_prop(script_ctx_t *ctx, VARIANT *v, WORD flags, DISPPARAMS *dp, VARIANT *res)
 125 {
 126     HRESULT hres;
 127
 128     switch(flags) {
 129     case DISPATCH_PROPERTYGET|DISPATCH_METHOD:
 130     case DISPATCH_PROPERTYGET:
 131         if(dp->cArgs) {
 132             WARN("called with arguments\n");
 133             return DISP_E_MEMBERNOTFOUND; /* That's what tests show */
 134         }
 135
 136         hres = VariantCopyInd(res, v);
 137         break;
 138
 139     case DISPATCH_PROPERTYPUT:
 140     case DISPATCH_PROPERTYPUTREF:
 141     case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF: {
 142         VARIANT put_val;
 143         BOOL own_val;
 144
 145         hres = get_propput_arg(ctx, dp, flags, &put_val, &own_val);
 146         if(FAILED(hres))
 147             return hres;
 148
 149         if(arg_cnt(dp)) {
 150             FIXME("Arguments not supported\n");
 151             return E_NOTIMPL;
 152         }
 153
 154         if(res)
 155             V_VT(res) = VT_EMPTY;
 156
 157         if(own_val)
 158             *v = put_val;
 159         else
 160             hres = VariantCopyInd(v, &put_val);
 161         break;
 162     }
 163
 164     default:
 165         FIXME("unimplemented flags %x\n", flags);
 166         return E_NOTIMPL;
 167     }
 168
 169     return hres;
 170 }
 171
 172 static HRESULT invoke_builtin(vbdisp_t *This, const builtin_prop_t *prop, WORD flags, DISPPARAMS *dp, VARIANT *res)
 173 {
 174     VARIANT args[8];
 175     unsigned argn, i;
 176
 177     switch(flags) {
 178     case DISPATCH_PROPERTYGET:
 179         if(!(prop->flags & (BP_GET|BP_GETPUT))) {
 180             FIXME("property does not support DISPATCH_PROPERTYGET\n");
 181             return E_FAIL;
 182         }
 183         break;
 184     case DISPATCH_PROPERTYGET|DISPATCH_METHOD:
 185         if(!prop->proc && prop->flags == BP_GET) {
 186             const int vt = prop->min_args, val = prop->max_args;
 187             switch(vt) {
 188             case VT_I2:
 189                 V_VT(res) = VT_I2;
 190                 V_I2(res) = val;
 191                 break;
 192             case VT_I4:
 193                 V_VT(res) = VT_I4;
 194                 V_I4(res) = val;
 195                 break;
 196             case VT_BSTR: {
 197                 const string_constant_t *str = (const string_constant_t*)prop->max_args;
 198                 BSTR ret;
 199
 200                 ret = SysAllocStringLen(str->buf, str->len);
 201                 if(!ret)
 202                     return E_OUTOFMEMORY;
 203
 204                 V_VT(res) = VT_BSTR;
 205                 V_BSTR(res) = ret;
 206                 break;
 207             }
 208             DEFAULT_UNREACHABLE;
 209             }
 210             return S_OK;
 211         }
 212         break;
 213     case DISPATCH_METHOD:
 214         if(prop->flags & (BP_GET|BP_GETPUT)) {
 215             FIXME("Call on property\n");
 216             return E_FAIL;
 217         }
 218         break;
 219     case DISPATCH_PROPERTYPUT:
 220         if(!(prop->flags & BP_GETPUT)) {
 221             FIXME("property does not support DISPATCH_PROPERTYPUT\n");
 222             return E_FAIL;
 223         }
 224
 225         FIXME("call put\n");
 226         return E_NOTIMPL;
 227     default:
 228         FIXME("unsupported flags %x\n", flags);
 229         return E_NOTIMPL;
 230     }
 231
 232     argn = arg_cnt(dp);
 233
 234     if(argn < prop->min_args || argn > (prop->max_args ? prop->max_args : prop->min_args)) {
 235         FIXME("invalid number of arguments\n");
 236         return E_FAIL;
 237     }
 238
 239     assert(argn < sizeof(args)/sizeof(*args));
 240
 241     for(i=0; i < argn; i++) {
 242         if(V_VT(dp->rgvarg+dp->cArgs-i-1) == (VT_BYREF|VT_VARIANT))
 243             args[i] = *V_VARIANTREF(dp->rgvarg+dp->cArgs-i-1);
 244         else
 245             args[i] = dp->rgvarg[dp->cArgs-i-1];
 246     }
 247
 248     return prop->proc(This, args, dp->cArgs, res);
 249 }
 250
 251 static BOOL run_terminator(vbdisp_t *This)
 252 {
 253     DISPPARAMS dp = {0};
 254
 255     if(This->terminator_ran)
 256         return TRUE;
 257     This->terminator_ran = TRUE;
 258
 259     if(!This->desc->class_terminate_id)
 260         return TRUE;
 261
 262     This->ref++;
 263     exec_script(This->desc->ctx, This->desc->funcs[This->desc->class_terminate_id].entries[VBDISP_CALLGET],
 264             This, &dp, NULL);
 265     return !--This->ref;
 266 }
 267
 268 static void clean_props(vbdisp_t *This)
 269 {
 270     unsigned i;
 271
 272     if(!This->desc)
 273         return;
 274
 275     for(i=0; i < This->desc->array_cnt; i++) {
 276         if(This->arrays[i]) {
 277             SafeArrayDestroy(This->arrays[i]);
 278             This->arrays[i] = NULL;
 279         }
 280     }
 281
 282     for(i=0; i < This->desc->prop_cnt; i++)
 283         VariantClear(This->props+i);
 284 }
 285
 286 static inline vbdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
 287 {
 288     return CONTAINING_RECORD(iface, vbdisp_t, IDispatchEx_iface);
 289 }
 290
 291 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 292 {
 293     vbdisp_t *This = impl_from_IDispatchEx(iface);
 294
 295     if(IsEqualGUID(&IID_IUnknown, riid)) {
 296         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 297         *ppv = &This->IDispatchEx_iface;
 298     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 299         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 300         *ppv = &This->IDispatchEx_iface;
 301     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 302         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 303         *ppv = &This->IDispatchEx_iface;
 304     }else {
 305         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 306         *ppv = NULL;
 307         return E_NOINTERFACE;
 308     }
 309
 310     IUnknown_AddRef((IUnknown*)*ppv);
 311     return S_OK;
 312 }
 313
 314 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 315 {
 316     vbdisp_t *This = impl_from_IDispatchEx(iface);
 317     LONG ref = InterlockedIncrement(&This->ref);
 318
 319     TRACE("(%p) ref=%d\n", This, ref);
 320
 321     return ref;
 322 }
 323
 324 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 325 {
 326     vbdisp_t *This = impl_from_IDispatchEx(iface);
 327     LONG ref = InterlockedDecrement(&This->ref);
 328
 329     TRACE("(%p) ref=%d\n", This, ref);
 330
 331     if(!ref && run_terminator(This)) {
 332         clean_props(This);
 333         list_remove(&This->entry);
 334         heap_free(This->arrays);
 335         heap_free(This);
 336     }
 337
 338     return ref;
 339 }
 340
 341 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 342 {
 343     vbdisp_t *This = impl_from_IDispatchEx(iface);
 344
 345     TRACE("(%p)->(%p)\n", This, pctinfo);
 346
 347     *pctinfo = 1;
 348     return S_OK;
 349 }
 350
 351 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
 352                                               ITypeInfo **ppTInfo)
 353 {
 354     vbdisp_t *This = impl_from_IDispatchEx(iface);
 355     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 356     return E_NOTIMPL;
 357 }
 358
 359 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 360                                                 LPOLESTR *rgszNames, UINT cNames, LCID lcid,
 361                                                 DISPID *rgDispId)
 362 {
 363     vbdisp_t *This = impl_from_IDispatchEx(iface);
 364     FIXME("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 365           lcid, rgDispId);
 366     return E_NOTIMPL;
 367 }
 368
 369 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 370                                         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 371                                         VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 372 {
 373     vbdisp_t *This = impl_from_IDispatchEx(iface);
 374
 375     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 376           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 377
 378     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, NULL);
 379 }
 380
 381 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 382 {
 383     vbdisp_t *This = impl_from_IDispatchEx(iface);
 384
 385     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 386
 387     grfdex &= ~FDEX_VERSION_MASK;
 388
 389     if(!This->desc)
 390         return E_UNEXPECTED;
 391
 392     /* Tests show that fdexNameCaseSensitive is ignored */
 393
 394     if(grfdex & ~(fdexNameEnsure|fdexNameCaseInsensitive|fdexNameCaseSensitive)) {
 395         FIXME("unsupported flags %x\n", grfdex);
 396         return E_NOTIMPL;
 397     }
 398
 399     return vbdisp_get_id(This, bstrName, VBDISP_ANY, FALSE, pid);
 400 }
 401
 402 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 403         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 404 {
 405     vbdisp_t *This = impl_from_IDispatchEx(iface);
 406
 407     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 408
 409     if(!This->desc)
 410         return E_UNEXPECTED;
 411
 412     if(pvarRes)
 413         V_VT(pvarRes) = VT_EMPTY;
 414
 415     if(id < 0)
 416         return DISP_E_MEMBERNOTFOUND;
 417
 418     if(is_func_id(This, id)) {
 419         function_t *func;
 420
 421         switch(wFlags) {
 422         case DISPATCH_PROPERTYGET:
 423             func = This->desc->funcs[id].entries[VBDISP_CALLGET];
 424             if(!func || (func->type != FUNC_PROPGET && func->type != FUNC_DEFGET)) {
 425                 WARN("no getter\n");
 426                 return DISP_E_MEMBERNOTFOUND;
 427             }
 428
 429             return exec_script(This->desc->ctx, func, This, pdp, pvarRes);
 430
 431         case DISPATCH_METHOD:
 432         case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 433             func = This->desc->funcs[id].entries[VBDISP_CALLGET];
 434             if(!func) {
 435                 FIXME("no invoke/getter\n");
 436                 return DISP_E_MEMBERNOTFOUND;
 437             }
 438
 439             return exec_script(This->desc->ctx, func, This, pdp, pvarRes);
 440         case DISPATCH_PROPERTYPUT:
 441         case DISPATCH_PROPERTYPUTREF:
 442         case DISPATCH_PROPERTYPUT|DISPATCH_PROPERTYPUTREF: {
 443             DISPPARAMS dp = {NULL, NULL, 1, 0};
 444             BOOL needs_release;
 445             VARIANT put_val;
 446             HRESULT hres;
 447
 448             if(arg_cnt(pdp)) {
 449                 FIXME("arguments not implemented\n");
 450                 return E_NOTIMPL;
 451             }
 452
 453             hres = get_propput_arg(This->desc->ctx, pdp, wFlags, &put_val, &needs_release);
 454             if(FAILED(hres))
 455                 return hres;
 456
 457             dp.rgvarg = &put_val;
 458             func = This->desc->funcs[id].entries[V_VT(&put_val) == VT_DISPATCH ? VBDISP_SET : VBDISP_LET];
 459             if(!func) {
 460                 FIXME("no letter/setter\n");
 461                 return DISP_E_MEMBERNOTFOUND;
 462             }
 463
 464             hres = exec_script(This->desc->ctx, func, This, &dp, NULL);
 465             if(needs_release)
 466                 VariantClear(&put_val);
 467             return hres;
 468         }
 469         default:
 470             FIXME("flags %x\n", wFlags);
 471             return DISP_E_MEMBERNOTFOUND;
 472         }
 473     }
 474
 475     if(id < This->desc->prop_cnt + This->desc->func_cnt)
 476         return invoke_variant_prop(This->desc->ctx, This->props+(id-This->desc->func_cnt), wFlags, pdp, pvarRes);
 477
 478     if(This->desc->builtin_prop_cnt) {
 479         unsigned min = 0, max = This->desc->builtin_prop_cnt-1, i;
 480
 481         while(min <= max) {
 482             i = (min+max)/2;
 483             if(This->desc->builtin_props[i].id == id)
 484                 return invoke_builtin(This, This->desc->builtin_props+i, wFlags, pdp, pvarRes);
 485             if(This->desc->builtin_props[i].id < id)
 486                 min = i+1;
 487             else
 488                 max = i-1;
 489         }
 490     }
 491
 492     return DISP_E_MEMBERNOTFOUND;
 493 }
 494
 495 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 496 {
 497     vbdisp_t *This = impl_from_IDispatchEx(iface);
 498     FIXME("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 499     return E_NOTIMPL;
 500 }
 501
 502 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 503 {
 504     vbdisp_t *This = impl_from_IDispatchEx(iface);
 505     FIXME("(%p)->(%x)\n", This, id);
 506     return E_NOTIMPL;
 507 }
 508
 509 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 510 {
 511     vbdisp_t *This = impl_from_IDispatchEx(iface);
 512     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 513     return E_NOTIMPL;
 514 }
 515
 516 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 517 {
 518     vbdisp_t *This = impl_from_IDispatchEx(iface);
 519     FIXME("(%p)->(%x %p)\n", This, id, pbstrName);
 520     return E_NOTIMPL;
 521 }
 522
 523 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 524 {
 525     vbdisp_t *This = impl_from_IDispatchEx(iface);
 526     FIXME("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 527     return E_NOTIMPL;
 528 }
 529
 530 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 531 {
 532     vbdisp_t *This = impl_from_IDispatchEx(iface);
 533     FIXME("(%p)->(%p)\n", This, ppunk);
 534     return E_NOTIMPL;
 535 }
 536
 537 static IDispatchExVtbl DispatchExVtbl = {
 538     DispatchEx_QueryInterface,
 539     DispatchEx_AddRef,
 540     DispatchEx_Release,
 541     DispatchEx_GetTypeInfoCount,
 542     DispatchEx_GetTypeInfo,
 543     DispatchEx_GetIDsOfNames,
 544     DispatchEx_Invoke,
 545     DispatchEx_GetDispID,
 546     DispatchEx_InvokeEx,
 547     DispatchEx_DeleteMemberByName,
 548     DispatchEx_DeleteMemberByDispID,
 549     DispatchEx_GetMemberProperties,
 550     DispatchEx_GetMemberName,
 551     DispatchEx_GetNextDispID,
 552     DispatchEx_GetNameSpaceParent
 553 };
 554
 555 static inline vbdisp_t *unsafe_impl_from_IDispatch(IDispatch *iface)
 556 {
 557     return iface->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl
 558         ? CONTAINING_RECORD(iface, vbdisp_t, IDispatchEx_iface)
 559         : NULL;
 560 }
 561
 562 HRESULT create_vbdisp(const class_desc_t *desc, vbdisp_t **ret)
 563 {
 564     vbdisp_t *vbdisp;
 565     HRESULT hres = S_OK;
 566
 567     vbdisp = heap_alloc_zero( FIELD_OFFSET( vbdisp_t, props[desc->prop_cnt] ));
 568     if(!vbdisp)
 569         return E_OUTOFMEMORY;
 570
 571     vbdisp->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
 572     vbdisp->ref = 1;
 573     vbdisp->desc = desc;
 574
 575     list_add_tail(&desc->ctx->objects, &vbdisp->entry);
 576
 577     if(desc->array_cnt) {
 578         vbdisp->arrays = heap_alloc_zero(desc->array_cnt * sizeof(*vbdisp->arrays));
 579         if(vbdisp->arrays) {
 580             unsigned i, j;
 581
 582             for(i=0; i < desc->array_cnt; i++) {
 583                 if(!desc->array_descs[i].dim_cnt)
 584                     continue;
 585
 586                 vbdisp->arrays[i] = SafeArrayCreate(VT_VARIANT, desc->array_descs[i].dim_cnt, desc->array_descs[i].bounds);
 587                 if(!vbdisp->arrays[i]) {
 588                     hres = E_OUTOFMEMORY;
 589                     break;
 590                 }
 591             }
 592
 593             if(SUCCEEDED(hres)) {
 594                 for(i=0, j=0; i < desc->prop_cnt; i++) {
 595                     if(desc->props[i].is_array) {
 596                         V_VT(vbdisp->props+i) = VT_ARRAY|VT_BYREF|VT_VARIANT;
 597                         V_ARRAYREF(vbdisp->props+i) = vbdisp->arrays + j++;
 598                     }
 599                 }
 600             }
 601         }else {
 602             hres = E_OUTOFMEMORY;
 603         }
 604     }
 605
 606     if(SUCCEEDED(hres) && desc->class_initialize_id) {
 607         DISPPARAMS dp = {0};
 608         hres = exec_script(desc->ctx, desc->funcs[desc->class_initialize_id].entries[VBDISP_CALLGET],
 609                            vbdisp, &dp, NULL);
 610     }
 611
 612     if(FAILED(hres)) {
 613         IDispatchEx_Release(&vbdisp->IDispatchEx_iface);
 614         return hres;
 615     }
 616
 617     *ret = vbdisp;
 618     return S_OK;
 619 }
 620
 621 static HRESULT Procedure_invoke(vbdisp_t *This, VARIANT *args, unsigned args_cnt, VARIANT *res)
 622 {
 623     script_ctx_t *ctx = This->desc->ctx;
 624     HRESULT hres;
 625
 626     TRACE("\n");
 627
 628     IActiveScriptSite_OnEnterScript(ctx->site);
 629     hres = exec_script(ctx, This->desc->value_func, NULL, NULL, NULL);
 630     IActiveScriptSite_OnLeaveScript(ctx->site);
 631
 632     return hres;
 633 }
 634
 635 static const builtin_prop_t procedure_props[] = {
 636     {DISPID_VALUE,  Procedure_invoke, 0}
 637 };
 638
 639 HRESULT create_procedure_disp(script_ctx_t *ctx, vbscode_t *code, IDispatch **ret)
 640 {
 641     class_desc_t *desc;
 642     vbdisp_t *vbdisp;
 643     HRESULT hres;
 644
 645     desc = heap_alloc_zero(sizeof(*desc));
 646     if(!desc)
 647         return E_OUTOFMEMORY;
 648
 649     desc->ctx = ctx;
 650     desc->builtin_prop_cnt = sizeof(procedure_props)/sizeof(*procedure_props);
 651     desc->builtin_props = procedure_props;
 652     desc->value_func = &code->main_code;
 653
 654     hres = create_vbdisp(desc, &vbdisp);
 655     if(FAILED(hres)) {
 656         heap_free(desc);
 657         return hres;
 658     }
 659
 660     desc->next = ctx->procs;
 661     ctx->procs = desc;
 662
 663     *ret = (IDispatch*)&vbdisp->IDispatchEx_iface;
 664     return S_OK;
 665 }
 666
 667 struct _ident_map_t {
 668     const WCHAR *name;
 669     BOOL is_var;
 670     union {
 671         dynamic_var_t *var;
 672         function_t *func;
 673     } u;
 674 };
 675
 676 static inline DISPID ident_to_id(ScriptDisp *This, ident_map_t *ident)
 677 {
 678     return (ident-This->ident_map)+1;
 679 }
 680
 681 static inline ident_map_t *id_to_ident(ScriptDisp *This, DISPID id)
 682 {
 683     return 0 < id && id <= This->ident_map_cnt ? This->ident_map+id-1 : NULL;
 684 }
 685
 686 static ident_map_t *add_ident(ScriptDisp *This, const WCHAR *name)
 687 {
 688     ident_map_t *ret;
 689
 690     if(!This->ident_map_size) {
 691         This->ident_map = heap_alloc(4 * sizeof(*This->ident_map));
 692         if(!This->ident_map)
 693             return NULL;
 694         This->ident_map_size = 4;
 695     }else if(This->ident_map_cnt == This->ident_map_size) {
 696         ident_map_t *new_map;
 697
 698         new_map = heap_realloc(This->ident_map, 2*This->ident_map_size*sizeof(*new_map));
 699         if(!new_map)
 700             return NULL;
 701         This->ident_map = new_map;
 702         This->ident_map_size *= 2;
 703     }
 704
 705     ret = This->ident_map + This->ident_map_cnt++;
 706     ret->name = name;
 707     return ret;
 708 }
 709
 710 static inline ScriptDisp *ScriptDisp_from_IDispatchEx(IDispatchEx *iface)
 711 {
 712     return CONTAINING_RECORD(iface, ScriptDisp, IDispatchEx_iface);
 713 }
 714
 715 static HRESULT WINAPI ScriptDisp_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 716 {
 717     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 718
 719     if(IsEqualGUID(&IID_IUnknown, riid)) {
 720         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 721         *ppv = &This->IDispatchEx_iface;
 722     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 723         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 724         *ppv = &This->IDispatchEx_iface;
 725     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 726         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 727         *ppv = &This->IDispatchEx_iface;
 728     }else {
 729         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 730         *ppv = NULL;
 731         return E_NOINTERFACE;
 732     }
 733
 734     IUnknown_AddRef((IUnknown*)*ppv);
 735     return S_OK;
 736 }
 737
 738 static ULONG WINAPI ScriptDisp_AddRef(IDispatchEx *iface)
 739 {
 740     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 741     LONG ref = InterlockedIncrement(&This->ref);
 742
 743     TRACE("(%p) ref=%d\n", This, ref);
 744
 745     return ref;
 746 }
 747
 748 static ULONG WINAPI ScriptDisp_Release(IDispatchEx *iface)
 749 {
 750     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 751     LONG ref = InterlockedDecrement(&This->ref);
 752
 753     TRACE("(%p) ref=%d\n", This, ref);
 754
 755     if(!ref) {
 756         assert(!This->ctx);
 757         heap_free(This->ident_map);
 758         heap_free(This);
 759     }
 760
 761     return ref;
 762 }
 763
 764 static HRESULT WINAPI ScriptDisp_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 765 {
 766     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 767
 768     TRACE("(%p)->(%p)\n", This, pctinfo);
 769
 770     *pctinfo = 1;
 771     return S_OK;
 772 }
 773
 774 static HRESULT WINAPI ScriptDisp_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
 775                                               ITypeInfo **ppTInfo)
 776 {
 777     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 778     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 779     return E_NOTIMPL;
 780 }
 781
 782 static HRESULT WINAPI ScriptDisp_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 783         LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
 784 {
 785     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 786     UINT i;
 787     HRESULT hres;
 788
 789     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 790           lcid, rgDispId);
 791
 792     for(i=0; i < cNames; i++) {
 793         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
 794         if(FAILED(hres))
 795             return hres;
 796     }
 797
 798     return S_OK;
 799 }
 800
 801 static HRESULT WINAPI ScriptDisp_Invoke(IDispatchEx *iface, DISPID dispIdMember, REFIID riid, LCID lcid,
 802          WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 803 {
 804     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 805
 806     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 807           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 808
 809     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
 810             pDispParams, pVarResult, pExcepInfo, NULL);
 811 }
 812
 813 static HRESULT WINAPI ScriptDisp_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 814 {
 815     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 816     dynamic_var_t *var;
 817     ident_map_t *ident;
 818     function_t *func;
 819
 820     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 821
 822     if(!This->ctx)
 823         return E_UNEXPECTED;
 824
 825     for(ident = This->ident_map; ident < This->ident_map+This->ident_map_cnt; ident++) {
 826         if(!strcmpiW(ident->name, bstrName)) {
 827             *pid = ident_to_id(This, ident);
 828             return S_OK;
 829         }
 830     }
 831
 832     for(var = This->ctx->global_vars; var; var = var->next) {
 833         if(!strcmpiW(var->name, bstrName)) {
 834             ident = add_ident(This, var->name);
 835             if(!ident)
 836                 return E_OUTOFMEMORY;
 837
 838             ident->is_var = TRUE;
 839             ident->u.var = var;
 840             *pid = ident_to_id(This, ident);
 841             return S_OK;
 842         }
 843     }
 844
 845     for(func = This->ctx->global_funcs; func; func = func->next) {
 846         if(!strcmpiW(func->name, bstrName)) {
 847             ident = add_ident(This, func->name);
 848             if(!ident)
 849                 return E_OUTOFMEMORY;
 850
 851             ident->is_var = FALSE;
 852             ident->u.func = func;
 853             *pid =  ident_to_id(This, ident);
 854             return S_OK;
 855         }
 856     }
 857
 858     *pid = -1;
 859     return DISP_E_UNKNOWNNAME;
 860 }
 861
 862 static HRESULT WINAPI ScriptDisp_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 863         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 864 {
 865     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 866     ident_map_t *ident;
 867     HRESULT hres;
 868
 869     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 870
 871     ident = id_to_ident(This, id);
 872     if(!ident)
 873         return DISP_E_MEMBERNOTFOUND;
 874
 875     if(ident->is_var) {
 876         if(ident->u.var->is_const) {
 877             FIXME("const not supported\n");
 878             return E_NOTIMPL;
 879         }
 880
 881         return invoke_variant_prop(This->ctx, &ident->u.var->v, wFlags, pdp, pvarRes);
 882     }
 883
 884     switch(wFlags) {
 885     case DISPATCH_METHOD:
 886     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 887         IActiveScriptSite_OnEnterScript(This->ctx->site);
 888         hres = exec_script(This->ctx, ident->u.func, NULL, pdp, pvarRes);
 889         IActiveScriptSite_OnLeaveScript(This->ctx->site);
 890         break;
 891     default:
 892         FIXME("Unsupported flags %x\n", wFlags);
 893         hres = E_NOTIMPL;
 894     }
 895
 896     return hres;
 897 }
 898
 899 static HRESULT WINAPI ScriptDisp_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 900 {
 901     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 902     FIXME("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 903     return E_NOTIMPL;
 904 }
 905
 906 static HRESULT WINAPI ScriptDisp_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 907 {
 908     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 909     FIXME("(%p)->(%x)\n", This, id);
 910     return E_NOTIMPL;
 911 }
 912
 913 static HRESULT WINAPI ScriptDisp_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 914 {
 915     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 916     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 917     return E_NOTIMPL;
 918 }
 919
 920 static HRESULT WINAPI ScriptDisp_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 921 {
 922     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 923     FIXME("(%p)->(%x %p)\n", This, id, pbstrName);
 924     return E_NOTIMPL;
 925 }
 926
 927 static HRESULT WINAPI ScriptDisp_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 928 {
 929     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 930     FIXME("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 931     return E_NOTIMPL;
 932 }
 933
 934 static HRESULT WINAPI ScriptDisp_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 935 {
 936     ScriptDisp *This = ScriptDisp_from_IDispatchEx(iface);
 937     FIXME("(%p)->(%p)\n", This, ppunk);
 938     return E_NOTIMPL;
 939 }
 940
 941 static IDispatchExVtbl ScriptDispVtbl = {
 942     ScriptDisp_QueryInterface,
 943     ScriptDisp_AddRef,
 944     ScriptDisp_Release,
 945     ScriptDisp_GetTypeInfoCount,
 946     ScriptDisp_GetTypeInfo,
 947     ScriptDisp_GetIDsOfNames,
 948     ScriptDisp_Invoke,
 949     ScriptDisp_GetDispID,
 950     ScriptDisp_InvokeEx,
 951     ScriptDisp_DeleteMemberByName,
 952     ScriptDisp_DeleteMemberByDispID,
 953     ScriptDisp_GetMemberProperties,
 954     ScriptDisp_GetMemberName,
 955     ScriptDisp_GetNextDispID,
 956     ScriptDisp_GetNameSpaceParent
 957 };
 958
 959 HRESULT create_script_disp(script_ctx_t *ctx, ScriptDisp **ret)
 960 {
 961     ScriptDisp *script_disp;
 962
 963     script_disp = heap_alloc_zero(sizeof(*script_disp));
 964     if(!script_disp)
 965         return E_OUTOFMEMORY;
 966
 967     script_disp->IDispatchEx_iface.lpVtbl = &ScriptDispVtbl;
 968     script_disp->ref = 1;
 969     script_disp->ctx = ctx;
 970
 971     *ret = script_disp;
 972     return S_OK;
 973 }
 974
 975 void collect_objects(script_ctx_t *ctx)
 976 {
 977     vbdisp_t *iter, *iter2;
 978
 979     LIST_FOR_EACH_ENTRY_SAFE(iter, iter2, &ctx->objects, vbdisp_t, entry)
 980         run_terminator(iter);
 981
 982     while(!list_empty(&ctx->objects)) {
 983         iter = LIST_ENTRY(list_head(&ctx->objects), vbdisp_t, entry);
 984
 985         IDispatchEx_AddRef(&iter->IDispatchEx_iface);
 986         clean_props(iter);
 987         iter->desc = NULL;
 988         list_remove(&iter->entry);
 989         list_init(&iter->entry);
 990         IDispatchEx_Release(&iter->IDispatchEx_iface);
 991     }
 992 }
 993
 994 HRESULT disp_get_id(IDispatch *disp, BSTR name, vbdisp_invoke_type_t invoke_type, BOOL search_private, DISPID *id)
 995 {
 996     IDispatchEx *dispex;
 997     vbdisp_t *vbdisp;
 998     HRESULT hres;
 999
1000     vbdisp = unsafe_impl_from_IDispatch(disp);
1001     if(vbdisp)
1002         return vbdisp_get_id(vbdisp, name, invoke_type, search_private, id);
1003
1004     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1005     if(FAILED(hres)) {
1006         TRACE("using IDispatch\n");
1007         return IDispatch_GetIDsOfNames(disp, &IID_NULL, &name, 1, 0, id);
1008     }
1009
1010     hres = IDispatchEx_GetDispID(dispex, name, fdexNameCaseInsensitive, id);
1011     IDispatchEx_Release(dispex);
1012     return hres;
1013 }
1014
1015 #define RPC_E_SERVER_UNAVAILABLE 0x800706ba
1016
1017 HRESULT map_hres(HRESULT hres)
1018 {
1019     if(SUCCEEDED(hres) || HRESULT_FACILITY(hres) == FACILITY_VBS)
1020         return hres;
1021
1022     switch(hres) {
1023     case E_NOTIMPL:                  return MAKE_VBSERROR(VBSE_ACTION_NOT_SUPPORTED);
1024     case E_NOINTERFACE:              return MAKE_VBSERROR(VBSE_OLE_NOT_SUPPORTED);
1025     case DISP_E_UNKNOWNINTERFACE:    return MAKE_VBSERROR(VBSE_OLE_NO_PROP_OR_METHOD);
1026     case DISP_E_MEMBERNOTFOUND:      return MAKE_VBSERROR(VBSE_OLE_NO_PROP_OR_METHOD);
1027     case DISP_E_PARAMNOTFOUND:       return MAKE_VBSERROR(VBSE_NAMED_PARAM_NOT_FOUND);
1028     case DISP_E_TYPEMISMATCH:        return MAKE_VBSERROR(VBSE_TYPE_MISMATCH);
1029     case DISP_E_UNKNOWNNAME:         return MAKE_VBSERROR(VBSE_OLE_NO_PROP_OR_METHOD);
1030     case DISP_E_NONAMEDARGS:         return MAKE_VBSERROR(VBSE_NAMED_ARGS_NOT_SUPPORTED);
1031     case DISP_E_BADVARTYPE:          return MAKE_VBSERROR(VBSE_INVALID_TYPELIB_VARIABLE);
1032     case DISP_E_OVERFLOW:            return MAKE_VBSERROR(VBSE_OVERFLOW);
1033     case DISP_E_BADINDEX:            return MAKE_VBSERROR(VBSE_OUT_OF_BOUNDS);
1034     case DISP_E_UNKNOWNLCID:         return MAKE_VBSERROR(VBSE_LOCALE_SETTING_NOT_SUPPORTED);
1035     case DISP_E_ARRAYISLOCKED:       return MAKE_VBSERROR(VBSE_ARRAY_LOCKED);
1036     case DISP_E_BADPARAMCOUNT:       return MAKE_VBSERROR(VBSE_FUNC_ARITY_MISMATCH);
1037     case DISP_E_PARAMNOTOPTIONAL:    return MAKE_VBSERROR(VBSE_PARAMETER_NOT_OPTIONAL);
1038     case DISP_E_NOTACOLLECTION:      return MAKE_VBSERROR(VBSE_NOT_ENUM);
1039     case TYPE_E_DLLFUNCTIONNOTFOUND: return MAKE_VBSERROR(VBSE_INVALID_DLL_FUNCTION_NAME);
1040     case TYPE_E_TYPEMISMATCH:        return MAKE_VBSERROR(VBSE_TYPE_MISMATCH);
1041     case TYPE_E_OUTOFBOUNDS:         return MAKE_VBSERROR(VBSE_OUT_OF_BOUNDS);
1042     case TYPE_E_IOERROR:             return MAKE_VBSERROR(VBSE_IO_ERROR);
1043     case TYPE_E_CANTCREATETMPFILE:   return MAKE_VBSERROR(VBSE_CANT_CREATE_TMP_FILE);
1044     case STG_E_FILENOTFOUND:         return MAKE_VBSERROR(VBSE_OLE_FILE_NOT_FOUND);
1045     case STG_E_PATHNOTFOUND:         return MAKE_VBSERROR(VBSE_PATH_NOT_FOUND);
1046     case STG_E_TOOMANYOPENFILES:     return MAKE_VBSERROR(VBSE_TOO_MANY_FILES);
1047     case STG_E_ACCESSDENIED:         return MAKE_VBSERROR(VBSE_PERMISSION_DENIED);
1048     case STG_E_INSUFFICIENTMEMORY:   return MAKE_VBSERROR(VBSE_OUT_OF_MEMORY);
1049     case STG_E_NOMOREFILES:          return MAKE_VBSERROR(VBSE_TOO_MANY_FILES);
1050     case STG_E_DISKISWRITEPROTECTED: return MAKE_VBSERROR(VBSE_PERMISSION_DENIED);
1051     case STG_E_WRITEFAULT:           return MAKE_VBSERROR(VBSE_IO_ERROR);
1052     case STG_E_READFAULT:            return MAKE_VBSERROR(VBSE_IO_ERROR);
1053     case STG_E_SHAREVIOLATION:       return MAKE_VBSERROR(VBSE_PATH_FILE_ACCESS);
1054     case STG_E_LOCKVIOLATION:        return MAKE_VBSERROR(VBSE_PERMISSION_DENIED);
1055     case STG_E_FILEALREADYEXISTS:    return MAKE_VBSERROR(VBSE_FILE_ALREADY_EXISTS);
1056     case STG_E_MEDIUMFULL:           return MAKE_VBSERROR(VBSE_DISK_FULL);
1057     case STG_E_INVALIDNAME:          return MAKE_VBSERROR(VBSE_FILE_NOT_FOUND);
1058     case STG_E_INUSE:                return MAKE_VBSERROR(VBSE_PERMISSION_DENIED);
1059     case STG_E_NOTCURRENT:           return MAKE_VBSERROR(VBSE_PERMISSION_DENIED);
1060     case STG_E_CANTSAVE:             return MAKE_VBSERROR(VBSE_IO_ERROR);
1061     case REGDB_E_CLASSNOTREG:        return MAKE_VBSERROR(VBSE_CANT_CREATE_OBJECT);
1062     case MK_E_UNAVAILABLE:           return MAKE_VBSERROR(VBSE_CANT_CREATE_OBJECT);
1063     case MK_E_INVALIDEXTENSION:      return MAKE_VBSERROR(VBSE_OLE_FILE_NOT_FOUND);
1064     case MK_E_CANTOPENFILE:          return MAKE_VBSERROR(VBSE_OLE_FILE_NOT_FOUND);
1065     case CO_E_CLASSSTRING:           return MAKE_VBSERROR(VBSE_CANT_CREATE_OBJECT);
1066     case CO_E_APPNOTFOUND:           return MAKE_VBSERROR(VBSE_CANT_CREATE_OBJECT);
1067     case CO_E_APPDIDNTREG:           return MAKE_VBSERROR(VBSE_CANT_CREATE_OBJECT);
1068     case E_ACCESSDENIED:             return MAKE_VBSERROR(VBSE_PERMISSION_DENIED);
1069     case E_OUTOFMEMORY:              return MAKE_VBSERROR(VBSE_OUT_OF_MEMORY);
1070     case E_INVALIDARG:               return MAKE_VBSERROR(VBSE_ILLEGAL_FUNC_CALL);
1071     case RPC_E_SERVER_UNAVAILABLE:   return MAKE_VBSERROR(VBSE_SERVER_NOT_FOUND);
1072     case CO_E_SERVER_EXEC_FAILURE:   return MAKE_VBSERROR(VBSE_CANT_CREATE_OBJECT);
1073     }
1074
1075     return hres;
1076 }
1077
1078 HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, DISPPARAMS *dp, VARIANT *retv)
1079 {
1080     const WORD flags = DISPATCH_METHOD|(retv ? DISPATCH_PROPERTYGET : 0);
1081     IDispatchEx *dispex;
1082     EXCEPINFO ei;
1083     HRESULT hres;
1084
1085     memset(&ei, 0, sizeof(ei));
1086     if(retv)
1087         V_VT(retv) = VT_EMPTY;
1088
1089     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1090     if(FAILED(hres)) {
1091         UINT err = 0;
1092
1093         TRACE("using IDispatch\n");
1094         return IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, dp, retv, &ei, &err);
1095     }
1096
1097     hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, dp, retv, &ei, NULL /* CALLER_FIXME */);
1098     IDispatchEx_Release(dispex);
1099     return hres;
1100 }
1101
1102 HRESULT get_disp_value(script_ctx_t *ctx, IDispatch *disp, VARIANT *v)
1103 {
1104     DISPPARAMS dp = {NULL};
1105     return disp_call(ctx, disp, DISPID_VALUE, &dp, v);
1106 }
1107
1108 HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, DISPPARAMS *dp)
1109 {
1110     IDispatchEx *dispex;
1111     EXCEPINFO ei = {0};
1112     HRESULT hres;
1113
1114     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1115     if(SUCCEEDED(hres)) {
1116         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, dp, NULL, &ei, NULL /* FIXME! */);
1117         IDispatchEx_Release(dispex);
1118     }else {
1119         ULONG err = 0;
1120
1121         TRACE("using IDispatch\n");
1122         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, dp, NULL, &ei, &err);
1123     }
1124
1125     return hres;
1126 }