dll/win32/jscript/dispex.c

   1 /*
   2  * Copyright 2008 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 "jscript.h"
  20
  21 /*
  22  * This IID is used to get jsdisp_t objecto from interface.
  23  * We might consider using private interface instead.
  24  */
  25 static const IID IID_IDispatchJS =
  26         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
  27
  28 #define FDEX_VERSION_MASK 0xf0000000
  29 #define GOLDEN_RATIO 0x9E3779B9U
  30
  31 typedef enum {
  32     PROP_JSVAL,
  33     PROP_BUILTIN,
  34     PROP_PROTREF,
  35     PROP_DELETED,
  36     PROP_IDX
  37 } prop_type_t;
  38
  39 struct _dispex_prop_t {
  40     WCHAR *name;
  41     unsigned hash;
  42     prop_type_t type;
  43     DWORD flags;
  44
  45     union {
  46         jsval_t val;
  47         const builtin_prop_t *p;
  48         DWORD ref;
  49         unsigned idx;
  50     } u;
  51
  52     int bucket_head;
  53     int bucket_next;
  54 };
  55
  56 static inline DISPID prop_to_id(jsdisp_t *This, dispex_prop_t *prop)
  57 {
  58     return prop - This->props;
  59 }
  60
  61 static inline dispex_prop_t *get_prop(jsdisp_t *This, DISPID id)
  62 {
  63     if(id < 0 || id >= This->prop_cnt || This->props[id].type == PROP_DELETED)
  64         return NULL;
  65
  66     return This->props+id;
  67 }
  68
  69 static DWORD get_flags(jsdisp_t *This, dispex_prop_t *prop)
  70 {
  71     if(prop->type == PROP_PROTREF) {
  72         dispex_prop_t *parent = get_prop(This->prototype, prop->u.ref);
  73         if(!parent) {
  74             prop->type = PROP_DELETED;
  75             return 0;
  76         }
  77
  78         return get_flags(This->prototype, parent);
  79     }
  80
  81     return prop->flags;
  82 }
  83
  84 static const builtin_prop_t *find_builtin_prop(jsdisp_t *This, const WCHAR *name)
  85 {
  86     int min = 0, max, i, r;
  87
  88     max = This->builtin_info->props_cnt-1;
  89     while(min <= max) {
  90         i = (min+max)/2;
  91
  92         r = strcmpW(name, This->builtin_info->props[i].name);
  93         if(!r)
  94             return This->builtin_info->props + i;
  95
  96         if(r < 0)
  97             max = i-1;
  98         else
  99             min = i+1;
 100     }
 101
 102     return NULL;
 103 }
 104
 105 static inline unsigned string_hash(const WCHAR *name)
 106 {
 107     unsigned h = 0;
 108     for(; *name; name++)
 109         h = (h>>(sizeof(unsigned)*8-4)) ^ (h<<4) ^ tolowerW(*name);
 110     return h;
 111 }
 112
 113 static inline unsigned get_props_idx(jsdisp_t *This, unsigned hash)
 114 {
 115     return (hash*GOLDEN_RATIO) & (This->buf_size-1);
 116 }
 117
 118 static inline HRESULT resize_props(jsdisp_t *This)
 119 {
 120     dispex_prop_t *props;
 121     int i, bucket;
 122
 123     if(This->buf_size != This->prop_cnt)
 124         return S_FALSE;
 125
 126     props = heap_realloc(This->props, sizeof(dispex_prop_t)*This->buf_size*2);
 127     if(!props)
 128         return E_OUTOFMEMORY;
 129     This->buf_size *= 2;
 130     This->props = props;
 131
 132     for(i=0; i<This->buf_size; i++) {
 133         This->props[i].bucket_head = 0;
 134         This->props[i].bucket_next = 0;
 135     }
 136
 137     for(i=1; i<This->prop_cnt; i++) {
 138         props = This->props+i;
 139
 140         bucket = get_props_idx(This, props->hash);
 141         props->bucket_next = This->props[bucket].bucket_head;
 142         This->props[bucket].bucket_head = i;
 143     }
 144
 145     return S_OK;
 146 }
 147
 148 static inline dispex_prop_t* alloc_prop(jsdisp_t *This, const WCHAR *name, prop_type_t type, DWORD flags)
 149 {
 150     dispex_prop_t *prop;
 151     unsigned bucket;
 152
 153     if(FAILED(resize_props(This)))
 154         return NULL;
 155
 156     prop = &This->props[This->prop_cnt];
 157     prop->name = heap_strdupW(name);
 158     if(!prop->name)
 159         return NULL;
 160     prop->type = type;
 161     prop->flags = flags;
 162     prop->hash = string_hash(name);
 163
 164     bucket = get_props_idx(This, prop->hash);
 165     prop->bucket_next = This->props[bucket].bucket_head;
 166     This->props[bucket].bucket_head = This->prop_cnt++;
 167     return prop;
 168 }
 169
 170 static dispex_prop_t *alloc_protref(jsdisp_t *This, const WCHAR *name, DWORD ref)
 171 {
 172     dispex_prop_t *ret;
 173
 174     ret = alloc_prop(This, name, PROP_PROTREF, 0);
 175     if(!ret)
 176         return NULL;
 177
 178     ret->u.ref = ref;
 179     return ret;
 180 }
 181
 182 static HRESULT find_prop_name(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
 183 {
 184     const builtin_prop_t *builtin;
 185     unsigned bucket, pos, prev = 0;
 186     dispex_prop_t *prop;
 187
 188     bucket = get_props_idx(This, hash);
 189     pos = This->props[bucket].bucket_head;
 190     while(pos != 0) {
 191         if(!strcmpW(name, This->props[pos].name)) {
 192             if(prev != 0) {
 193                 This->props[prev].bucket_next = This->props[pos].bucket_next;
 194                 This->props[pos].bucket_next = This->props[bucket].bucket_head;
 195                 This->props[bucket].bucket_head = pos;
 196             }
 197
 198             *ret = &This->props[pos];
 199             return S_OK;
 200         }
 201
 202         prev = pos;
 203         pos = This->props[pos].bucket_next;
 204     }
 205
 206     builtin = find_builtin_prop(This, name);
 207     if(builtin) {
 208         prop = alloc_prop(This, name, PROP_BUILTIN, builtin->flags);
 209         if(!prop)
 210             return E_OUTOFMEMORY;
 211
 212         prop->u.p = builtin;
 213         *ret = prop;
 214         return S_OK;
 215     }
 216
 217     if(This->builtin_info->idx_length) {
 218         const WCHAR *ptr;
 219         unsigned idx = 0;
 220
 221         for(ptr = name; isdigitW(*ptr) && idx < 0x10000; ptr++)
 222             idx = idx*10 + (*ptr-'0');
 223         if(!*ptr && idx < This->builtin_info->idx_length(This)) {
 224             prop = alloc_prop(This, name, PROP_IDX, This->builtin_info->idx_put ? 0 : PROPF_CONST);
 225             if(!prop)
 226                 return E_OUTOFMEMORY;
 227
 228             prop->u.idx = idx;
 229             *ret = prop;
 230             return S_OK;
 231         }
 232     }
 233
 234     *ret = NULL;
 235     return S_OK;
 236 }
 237
 238 static HRESULT find_prop_name_prot(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
 239 {
 240     dispex_prop_t *prop, *del=NULL;
 241     HRESULT hres;
 242
 243     hres = find_prop_name(This, hash, name, &prop);
 244     if(FAILED(hres))
 245         return hres;
 246     if(prop && prop->type==PROP_DELETED) {
 247         del = prop;
 248     } else if(prop) {
 249         *ret = prop;
 250         return S_OK;
 251     }
 252
 253     if(This->prototype) {
 254         hres = find_prop_name_prot(This->prototype, hash, name, &prop);
 255         if(FAILED(hres))
 256             return hres;
 257         if(prop) {
 258             if(del) {
 259                 del->type = PROP_PROTREF;
 260                 del->flags = 0;
 261                 del->u.ref = prop - This->prototype->props;
 262                 prop = del;
 263             }else {
 264                 prop = alloc_protref(This, prop->name, prop - This->prototype->props);
 265                 if(!prop)
 266                     return E_OUTOFMEMORY;
 267             }
 268
 269             *ret = prop;
 270             return S_OK;
 271         }
 272     }
 273
 274     *ret = del;
 275     return S_OK;
 276 }
 277
 278 static HRESULT ensure_prop_name(jsdisp_t *This, const WCHAR *name, BOOL search_prot, DWORD create_flags, dispex_prop_t **ret)
 279 {
 280     dispex_prop_t *prop;
 281     HRESULT hres;
 282
 283     if(search_prot)
 284         hres = find_prop_name_prot(This, string_hash(name), name, &prop);
 285     else
 286         hres = find_prop_name(This, string_hash(name), name, &prop);
 287     if(SUCCEEDED(hres) && (!prop || prop->type == PROP_DELETED)) {
 288         TRACE("creating prop %s flags %x\n", debugstr_w(name), create_flags);
 289
 290         if(prop) {
 291             prop->type = PROP_JSVAL;
 292             prop->flags = create_flags;
 293             prop->u.val = jsval_undefined();
 294         }else {
 295             prop = alloc_prop(This, name, PROP_JSVAL, create_flags);
 296             if(!prop)
 297                 return E_OUTOFMEMORY;
 298         }
 299
 300         prop->u.val = jsval_undefined();
 301     }
 302
 303     *ret = prop;
 304     return hres;
 305 }
 306
 307 static IDispatch *get_this(DISPPARAMS *dp)
 308 {
 309     DWORD i;
 310
 311     for(i=0; i < dp->cNamedArgs; i++) {
 312         if(dp->rgdispidNamedArgs[i] == DISPID_THIS) {
 313             if(V_VT(dp->rgvarg+i) == VT_DISPATCH)
 314                 return V_DISPATCH(dp->rgvarg+i);
 315
 316             WARN("This is not VT_DISPATCH\n");
 317             return NULL;
 318         }
 319     }
 320
 321     TRACE("no this passed\n");
 322     return NULL;
 323 }
 324
 325 static HRESULT convert_params(const DISPPARAMS *dp, jsval_t *buf, unsigned *argc, jsval_t **ret)
 326 {
 327     jsval_t *argv;
 328     unsigned cnt;
 329     unsigned i;
 330     HRESULT hres;
 331
 332     cnt = dp->cArgs - dp->cNamedArgs;
 333
 334     if(cnt > 6) {
 335         argv = heap_alloc(cnt * sizeof(*argv));
 336         if(!argv)
 337             return E_OUTOFMEMORY;
 338     }else {
 339         argv = buf;
 340     }
 341
 342     for(i = 0; i < cnt; i++) {
 343         hres = variant_to_jsval(dp->rgvarg+dp->cArgs-i-1, argv+i);
 344         if(FAILED(hres)) {
 345             while(i--)
 346                 jsval_release(argv[i]);
 347             if(argv != buf)
 348                 heap_free(argv);
 349             return hres;
 350         }
 351     }
 352
 353     *argc = cnt;
 354     *ret = argv;
 355     return S_OK;
 356 }
 357
 358 static HRESULT invoke_prop_func(jsdisp_t *This, IDispatch *jsthis, dispex_prop_t *prop, WORD flags,
 359         unsigned argc, jsval_t *argv, jsval_t *r, IServiceProvider *caller)
 360 {
 361     HRESULT hres;
 362
 363     switch(prop->type) {
 364     case PROP_BUILTIN: {
 365         if(flags == DISPATCH_CONSTRUCT && (prop->flags & PROPF_METHOD)) {
 366             WARN("%s is not a constructor\n", debugstr_w(prop->name));
 367             return E_INVALIDARG;
 368         }
 369
 370         if(prop->name || This->builtin_info->class != JSCLASS_FUNCTION) {
 371             vdisp_t vthis;
 372
 373             if(jsthis)
 374                 set_disp(&vthis, jsthis);
 375             else
 376                 set_jsdisp(&vthis, This);
 377             hres = prop->u.p->invoke(This->ctx, &vthis, flags, argc, argv, r);
 378             vdisp_release(&vthis);
 379         }else {
 380             /* Function object calls are special case */
 381             hres = Function_invoke(This, jsthis, flags, argc, argv, r);
 382         }
 383         return hres;
 384     }
 385     case PROP_PROTREF:
 386         return invoke_prop_func(This->prototype, jsthis, This->prototype->props+prop->u.ref,
 387                 flags, argc, argv, r, caller);
 388     case PROP_JSVAL: {
 389         if(!is_object_instance(prop->u.val)) {
 390             FIXME("invoke %s\n", debugstr_jsval(prop->u.val));
 391             return E_FAIL;
 392         }
 393
 394         TRACE("call %s %p\n", debugstr_w(prop->name), get_object(prop->u.val));
 395
 396         return disp_call_value(This->ctx, get_object(prop->u.val), jsthis, flags, argc, argv, r);
 397     }
 398     case PROP_IDX:
 399         FIXME("Invoking PROP_IDX not yet supported\n");
 400         return E_NOTIMPL;
 401     case PROP_DELETED:
 402         assert(0);
 403     }
 404
 405     assert(0);
 406     return E_FAIL;
 407 }
 408
 409 static HRESULT prop_get(jsdisp_t *This, dispex_prop_t *prop, DISPPARAMS *dp,
 410         jsval_t *r, IServiceProvider *caller)
 411 {
 412     HRESULT hres;
 413
 414     switch(prop->type) {
 415     case PROP_BUILTIN:
 416         if(prop->u.p->flags & PROPF_METHOD) {
 417             jsdisp_t *obj;
 418             hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
 419                     prop->u.p->flags, NULL, &obj);
 420             if(FAILED(hres))
 421                 break;
 422
 423             prop->type = PROP_JSVAL;
 424             prop->u.val = jsval_obj(obj);
 425
 426             jsdisp_addref(obj);
 427             *r = jsval_obj(obj);
 428         }else {
 429             vdisp_t vthis;
 430
 431             set_jsdisp(&vthis, This);
 432             hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYGET, 0, NULL, r);
 433             vdisp_release(&vthis);
 434         }
 435         break;
 436     case PROP_PROTREF:
 437         hres = prop_get(This->prototype, This->prototype->props+prop->u.ref, dp, r, caller);
 438         break;
 439     case PROP_JSVAL:
 440         hres = jsval_copy(prop->u.val, r);
 441         break;
 442     case PROP_IDX:
 443         hres = This->builtin_info->idx_get(This, prop->u.idx, r);
 444         break;
 445     default:
 446         ERR("type %d\n", prop->type);
 447         return E_FAIL;
 448     }
 449
 450     if(FAILED(hres)) {
 451         TRACE("fail %08x\n", hres);
 452         return hres;
 453     }
 454
 455     TRACE("%s ret %s\n", debugstr_w(prop->name), debugstr_jsval(*r));
 456     return hres;
 457 }
 458
 459 static HRESULT prop_put(jsdisp_t *This, dispex_prop_t *prop, jsval_t val, IServiceProvider *caller)
 460 {
 461     HRESULT hres;
 462
 463     if(prop->flags & PROPF_CONST)
 464         return S_OK;
 465
 466     switch(prop->type) {
 467     case PROP_BUILTIN:
 468         if(!(prop->flags & PROPF_METHOD)) {
 469             vdisp_t vthis;
 470
 471             set_jsdisp(&vthis, This);
 472             hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYPUT, 1, &val, NULL);
 473             vdisp_release(&vthis);
 474             return hres;
 475         }
 476         /* fall through */
 477     case PROP_PROTREF:
 478         prop->type = PROP_JSVAL;
 479         prop->flags = PROPF_ENUM;
 480         prop->u.val = jsval_undefined();
 481         break;
 482     case PROP_JSVAL:
 483         jsval_release(prop->u.val);
 484         break;
 485     case PROP_IDX:
 486         return This->builtin_info->idx_put(This, prop->u.idx, val);
 487     default:
 488         ERR("type %d\n", prop->type);
 489         return E_FAIL;
 490     }
 491
 492     TRACE("%s = %s\n", debugstr_w(prop->name), debugstr_jsval(val));
 493
 494     hres = jsval_copy(val, &prop->u.val);
 495     if(FAILED(hres)) {
 496         prop->u.val = jsval_undefined();
 497         return hres;
 498     }
 499
 500     if(This->builtin_info->on_put)
 501         This->builtin_info->on_put(This, prop->name);
 502
 503     return S_OK;
 504 }
 505
 506 static HRESULT fill_protrefs(jsdisp_t *This)
 507 {
 508     dispex_prop_t *iter, *prop;
 509     HRESULT hres;
 510
 511     if(!This->prototype)
 512         return S_OK;
 513
 514     fill_protrefs(This->prototype);
 515
 516     for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
 517         if(!iter->name)
 518             continue;
 519         hres = find_prop_name(This, iter->hash, iter->name, &prop);
 520         if(FAILED(hres))
 521             return hres;
 522         if(!prop || prop->type==PROP_DELETED) {
 523             if(prop) {
 524                 prop->type = PROP_PROTREF;
 525                 prop->flags = 0;
 526                 prop->u.ref = iter - This->prototype->props;
 527             }else {
 528                 prop = alloc_protref(This, iter->name, iter - This->prototype->props);
 529                 if(!prop)
 530                     return E_OUTOFMEMORY;
 531             }
 532         }
 533     }
 534
 535     return S_OK;
 536 }
 537
 538 static inline jsdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
 539 {
 540     return CONTAINING_RECORD(iface, jsdisp_t, IDispatchEx_iface);
 541 }
 542
 543 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 544 {
 545     jsdisp_t *This = impl_from_IDispatchEx(iface);
 546
 547     if(IsEqualGUID(&IID_IUnknown, riid)) {
 548         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 549         *ppv = &This->IDispatchEx_iface;
 550     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 551         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 552         *ppv = &This->IDispatchEx_iface;
 553     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 554         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 555         *ppv = &This->IDispatchEx_iface;
 556     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
 557         TRACE("(%p)->(IID_IDispatchJS %p)\n", This, ppv);
 558         jsdisp_addref(This);
 559         *ppv = This;
 560         return S_OK;
 561     }else {
 562         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 563         *ppv = NULL;
 564         return E_NOINTERFACE;
 565     }
 566
 567     jsdisp_addref(This);
 568     return S_OK;
 569 }
 570
 571 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 572 {
 573     jsdisp_t *This = impl_from_IDispatchEx(iface);
 574     jsdisp_addref(This);
 575     return This->ref;
 576 }
 577
 578 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 579 {
 580     jsdisp_t *This = impl_from_IDispatchEx(iface);
 581     ULONG ref = --This->ref;
 582     if(!ref)
 583         jsdisp_free(This);
 584     return ref;
 585 }
 586
 587 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 588 {
 589     jsdisp_t *This = impl_from_IDispatchEx(iface);
 590
 591     TRACE("(%p)->(%p)\n", This, pctinfo);
 592
 593     *pctinfo = 1;
 594     return S_OK;
 595 }
 596
 597 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
 598                                               ITypeInfo **ppTInfo)
 599 {
 600     jsdisp_t *This = impl_from_IDispatchEx(iface);
 601     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 602     return E_NOTIMPL;
 603 }
 604
 605 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 606                                                 LPOLESTR *rgszNames, UINT cNames, LCID lcid,
 607                                                 DISPID *rgDispId)
 608 {
 609     jsdisp_t *This = impl_from_IDispatchEx(iface);
 610     UINT i;
 611     HRESULT hres;
 612
 613     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 614           lcid, rgDispId);
 615
 616     for(i=0; i < cNames; i++) {
 617         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
 618         if(FAILED(hres))
 619             return hres;
 620     }
 621
 622     return S_OK;
 623 }
 624
 625 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 626                                         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 627                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 628 {
 629     jsdisp_t *This = impl_from_IDispatchEx(iface);
 630
 631     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 632           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 633
 634     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
 635             pDispParams, pVarResult, pExcepInfo, NULL);
 636 }
 637
 638 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 639 {
 640     jsdisp_t *This = impl_from_IDispatchEx(iface);
 641
 642     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 643
 644     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
 645         FIXME("Unsupported grfdex %x\n", grfdex);
 646         return E_NOTIMPL;
 647     }
 648
 649     return jsdisp_get_id(This, bstrName, grfdex, pid);
 650 }
 651
 652 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 653         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 654 {
 655     jsdisp_t *This = impl_from_IDispatchEx(iface);
 656     dispex_prop_t *prop;
 657     HRESULT hres;
 658
 659     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 660
 661     if(pvarRes)
 662         V_VT(pvarRes) = VT_EMPTY;
 663
 664     prop = get_prop(This, id);
 665     if(!prop || prop->type == PROP_DELETED) {
 666         TRACE("invalid id\n");
 667         return DISP_E_MEMBERNOTFOUND;
 668     }
 669
 670     clear_ei(This->ctx);
 671
 672     switch(wFlags) {
 673     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 674         wFlags = DISPATCH_METHOD;
 675         /* fall through */
 676     case DISPATCH_METHOD:
 677     case DISPATCH_CONSTRUCT: {
 678         jsval_t *argv, buf[6], r;
 679         unsigned argc;
 680
 681         hres = convert_params(pdp, buf, &argc, &argv);
 682         if(FAILED(hres))
 683             return hres;
 684
 685         hres = invoke_prop_func(This, get_this(pdp), prop, wFlags, argc, argv, pvarRes ? &r : NULL, pspCaller);
 686         if(argv != buf)
 687             heap_free(argv);
 688         if(SUCCEEDED(hres) && pvarRes) {
 689             hres = jsval_to_variant(r, pvarRes);
 690             jsval_release(r);
 691         }
 692         break;
 693     }
 694     case DISPATCH_PROPERTYGET: {
 695         jsval_t r;
 696
 697         hres = prop_get(This, prop, pdp, &r, pspCaller);
 698         if(SUCCEEDED(hres)) {
 699             hres = jsval_to_variant(r, pvarRes);
 700             jsval_release(r);
 701         }
 702         break;
 703     }
 704     case DISPATCH_PROPERTYPUT: {
 705         jsval_t val;
 706         DWORD i;
 707
 708         for(i=0; i < pdp->cNamedArgs; i++) {
 709             if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
 710                 break;
 711         }
 712
 713         if(i == pdp->cNamedArgs) {
 714             TRACE("no value to set\n");
 715             return DISP_E_PARAMNOTOPTIONAL;
 716         }
 717
 718         hres = variant_to_jsval(pdp->rgvarg+i, &val);
 719         if(FAILED(hres))
 720             return hres;
 721
 722         hres = prop_put(This, prop, val, pspCaller);
 723         jsval_release(val);
 724         break;
 725     }
 726     default:
 727         FIXME("Unimplemented flags %x\n", wFlags);
 728         return E_INVALIDARG;
 729     }
 730
 731     if(pei)
 732         *pei = This->ctx->ei.ei;
 733     return hres;
 734 }
 735
 736 static HRESULT delete_prop(dispex_prop_t *prop, BOOL *ret)
 737 {
 738     if(prop->flags & PROPF_DONTDELETE) {
 739         *ret = FALSE;
 740         return S_OK;
 741     }
 742
 743     *ret = TRUE; /* FIXME: not exactly right */
 744
 745     if(prop->type == PROP_JSVAL) {
 746         jsval_release(prop->u.val);
 747         prop->type = PROP_DELETED;
 748     }
 749     return S_OK;
 750 }
 751
 752 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 753 {
 754     jsdisp_t *This = impl_from_IDispatchEx(iface);
 755     dispex_prop_t *prop;
 756     BOOL b;
 757     HRESULT hres;
 758
 759     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 760
 761     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 762         FIXME("Unsupported grfdex %x\n", grfdex);
 763
 764     hres = find_prop_name(This, string_hash(bstrName), bstrName, &prop);
 765     if(FAILED(hres))
 766         return hres;
 767     if(!prop) {
 768         TRACE("not found\n");
 769         return S_OK;
 770     }
 771
 772     return delete_prop(prop, &b);
 773 }
 774
 775 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 776 {
 777     jsdisp_t *This = impl_from_IDispatchEx(iface);
 778     dispex_prop_t *prop;
 779     BOOL b;
 780
 781     TRACE("(%p)->(%x)\n", This, id);
 782
 783     prop = get_prop(This, id);
 784     if(!prop) {
 785         WARN("invalid id\n");
 786         return DISP_E_MEMBERNOTFOUND;
 787     }
 788
 789     return delete_prop(prop, &b);
 790 }
 791
 792 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 793 {
 794     jsdisp_t *This = impl_from_IDispatchEx(iface);
 795     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 796     return E_NOTIMPL;
 797 }
 798
 799 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 800 {
 801     jsdisp_t *This = impl_from_IDispatchEx(iface);
 802     dispex_prop_t *prop;
 803
 804     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
 805
 806     prop = get_prop(This, id);
 807     if(!prop || !prop->name || prop->type == PROP_DELETED)
 808         return DISP_E_MEMBERNOTFOUND;
 809
 810     *pbstrName = SysAllocString(prop->name);
 811     if(!*pbstrName)
 812         return E_OUTOFMEMORY;
 813
 814     return S_OK;
 815 }
 816
 817 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 818 {
 819     jsdisp_t *This = impl_from_IDispatchEx(iface);
 820     dispex_prop_t *iter;
 821     HRESULT hres;
 822
 823     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 824
 825     if(id == DISPID_STARTENUM) {
 826         hres = fill_protrefs(This);
 827         if(FAILED(hres))
 828             return hres;
 829     }
 830
 831     if(id+1>=0 && id+1<This->prop_cnt) {
 832         iter = &This->props[id+1];
 833     }else {
 834         *pid = DISPID_STARTENUM;
 835         return S_FALSE;
 836     }
 837
 838     while(iter < This->props + This->prop_cnt) {
 839         if(iter->name && (get_flags(This, iter) & PROPF_ENUM) && iter->type!=PROP_DELETED) {
 840             *pid = prop_to_id(This, iter);
 841             return S_OK;
 842         }
 843         iter++;
 844     }
 845
 846     *pid = DISPID_STARTENUM;
 847     return S_FALSE;
 848 }
 849
 850 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 851 {
 852     jsdisp_t *This = impl_from_IDispatchEx(iface);
 853     FIXME("(%p)->(%p)\n", This, ppunk);
 854     return E_NOTIMPL;
 855 }
 856
 857 static IDispatchExVtbl DispatchExVtbl = {
 858     DispatchEx_QueryInterface,
 859     DispatchEx_AddRef,
 860     DispatchEx_Release,
 861     DispatchEx_GetTypeInfoCount,
 862     DispatchEx_GetTypeInfo,
 863     DispatchEx_GetIDsOfNames,
 864     DispatchEx_Invoke,
 865     DispatchEx_GetDispID,
 866     DispatchEx_InvokeEx,
 867     DispatchEx_DeleteMemberByName,
 868     DispatchEx_DeleteMemberByDispID,
 869     DispatchEx_GetMemberProperties,
 870     DispatchEx_GetMemberName,
 871     DispatchEx_GetNextDispID,
 872     DispatchEx_GetNameSpaceParent
 873 };
 874
 875 jsdisp_t *as_jsdisp(IDispatch *disp)
 876 {
 877     assert(disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl);
 878     return impl_from_IDispatchEx((IDispatchEx*)disp);
 879 }
 880
 881 jsdisp_t *to_jsdisp(IDispatch *disp)
 882 {
 883     return disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl ? impl_from_IDispatchEx((IDispatchEx*)disp) : NULL;
 884 }
 885
 886 HRESULT init_dispex(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype)
 887 {
 888     TRACE("%p (%p)\n", dispex, prototype);
 889
 890     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
 891     dispex->ref = 1;
 892     dispex->builtin_info = builtin_info;
 893
 894     dispex->props = heap_alloc_zero(sizeof(dispex_prop_t)*(dispex->buf_size=4));
 895     if(!dispex->props)
 896         return E_OUTOFMEMORY;
 897
 898     dispex->prototype = prototype;
 899     if(prototype)
 900         jsdisp_addref(prototype);
 901
 902     dispex->prop_cnt = 1;
 903     if(builtin_info->value_prop.invoke) {
 904         dispex->props[0].type = PROP_BUILTIN;
 905         dispex->props[0].u.p = &builtin_info->value_prop;
 906     }else {
 907         dispex->props[0].type = PROP_DELETED;
 908     }
 909
 910     script_addref(ctx);
 911     dispex->ctx = ctx;
 912
 913     return S_OK;
 914 }
 915
 916 static const builtin_info_t dispex_info = {
 917     JSCLASS_NONE,
 918     {NULL, NULL, 0},
 919     0, NULL,
 920     NULL,
 921     NULL
 922 };
 923
 924 HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype, jsdisp_t **dispex)
 925 {
 926     jsdisp_t *ret;
 927     HRESULT hres;
 928
 929     ret = heap_alloc_zero(sizeof(jsdisp_t));
 930     if(!ret)
 931         return E_OUTOFMEMORY;
 932
 933     hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
 934     if(FAILED(hres)) {
 935         heap_free(ret);
 936         return hres;
 937     }
 938
 939     *dispex = ret;
 940     return S_OK;
 941 }
 942
 943 void jsdisp_free(jsdisp_t *obj)
 944 {
 945     dispex_prop_t *prop;
 946
 947     TRACE("(%p)\n", obj);
 948
 949     for(prop = obj->props; prop < obj->props+obj->prop_cnt; prop++) {
 950         if(prop->type == PROP_JSVAL)
 951             jsval_release(prop->u.val);
 952         heap_free(prop->name);
 953     }
 954     heap_free(obj->props);
 955     script_release(obj->ctx);
 956     if(obj->prototype)
 957         jsdisp_release(obj->prototype);
 958
 959     if(obj->builtin_info->destructor)
 960         obj->builtin_info->destructor(obj);
 961     else
 962         heap_free(obj);
 963 }
 964
 965 #ifdef TRACE_REFCNT
 966
 967 jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
 968 {
 969     ULONG ref = ++jsdisp->ref;
 970     TRACE("(%p) ref=%d\n", jsdisp, ref);
 971     return jsdisp;
 972 }
 973
 974 void jsdisp_release(jsdisp_t *jsdisp)
 975 {
 976     ULONG ref = --jsdisp->ref;
 977
 978     TRACE("(%p) ref=%d\n", jsdisp, ref);
 979
 980     if(!ref)
 981         jsdisp_free(jsdisp);
 982 }
 983
 984 #endif
 985
 986 HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *constr)
 987 {
 988     jsdisp_t *prot = NULL;
 989     dispex_prop_t *prop;
 990     HRESULT hres;
 991
 992     static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
 993
 994     hres = find_prop_name_prot(constr, string_hash(prototypeW), prototypeW, &prop);
 995     if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) {
 996         jsval_t val;
 997
 998         hres = prop_get(constr, prop, NULL, &val, NULL);
 999         if(FAILED(hres)) {
1000             ERR("Could not get prototype\n");
1001             return hres;
1002         }
1003
1004         if(is_object_instance(val))
1005             prot = iface_to_jsdisp((IUnknown*)get_object(val));
1006         jsval_release(val);
1007     }
1008
1009     hres = init_dispex(dispex, ctx, builtin_info, prot);
1010
1011     if(prot)
1012         jsdisp_release(prot);
1013     return hres;
1014 }
1015
1016 jsdisp_t *iface_to_jsdisp(IUnknown *iface)
1017 {
1018     jsdisp_t *ret;
1019     HRESULT hres;
1020
1021     hres = IUnknown_QueryInterface(iface, &IID_IDispatchJS, (void**)&ret);
1022     if(FAILED(hres))
1023         return NULL;
1024
1025     return ret;
1026 }
1027
1028 HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
1029 {
1030     dispex_prop_t *prop;
1031     HRESULT hres;
1032
1033     if(flags & fdexNameEnsure)
1034         hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUM, &prop);
1035     else
1036         hres = find_prop_name_prot(jsdisp, string_hash(name), name, &prop);
1037     if(FAILED(hres))
1038         return hres;
1039
1040     if(prop && prop->type!=PROP_DELETED) {
1041         *id = prop_to_id(jsdisp, prop);
1042         return S_OK;
1043     }
1044
1045     TRACE("not found %s\n", debugstr_w(name));
1046     return DISP_E_UNKNOWNNAME;
1047 }
1048
1049 HRESULT jsdisp_call_value(jsdisp_t *jsfunc, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1050 {
1051     HRESULT hres;
1052
1053     if(is_class(jsfunc, JSCLASS_FUNCTION)) {
1054         hres = Function_invoke(jsfunc, jsthis, flags, argc, argv, r);
1055     }else {
1056         vdisp_t vdisp;
1057
1058         set_disp(&vdisp, jsthis);
1059         hres = jsfunc->builtin_info->value_prop.invoke(jsfunc->ctx, &vdisp, flags, argc, argv, r);
1060         vdisp_release(&vdisp);
1061     }
1062     return hres;
1063 }
1064
1065 HRESULT jsdisp_call(jsdisp_t *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1066 {
1067     dispex_prop_t *prop;
1068
1069     prop = get_prop(disp, id);
1070     if(!prop)
1071         return DISP_E_MEMBERNOTFOUND;
1072
1073     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1074 }
1075
1076 HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1077 {
1078     dispex_prop_t *prop;
1079     HRESULT hres;
1080
1081     hres = find_prop_name_prot(disp, string_hash(name), name, &prop);
1082     if(FAILED(hres))
1083         return hres;
1084
1085     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1086 }
1087
1088 HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *ret)
1089 {
1090     IDispatchEx *dispex;
1091     jsdisp_t *jsdisp;
1092     VARIANT buf[6], retv;
1093     DISPPARAMS dp;
1094     unsigned i;
1095     HRESULT hres;
1096
1097     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1098     if(jsdisp) {
1099         if(flags & DISPATCH_PROPERTYPUT) {
1100             FIXME("disp_call(propput) on builtin object\n");
1101             return E_FAIL;
1102         }
1103
1104         hres = jsdisp_call(jsdisp, id, flags, argc, argv, ret);
1105         jsdisp_release(jsdisp);
1106         return hres;
1107     }
1108
1109     if(ret && argc)
1110         flags |= DISPATCH_PROPERTYGET;
1111
1112     dp.cArgs = argc;
1113
1114     if(flags & DISPATCH_PROPERTYPUT) {
1115         static DISPID propput_dispid = DISPID_PROPERTYPUT;
1116
1117         dp.cNamedArgs = 1;
1118         dp.rgdispidNamedArgs = &propput_dispid;
1119     }else {
1120         dp.cNamedArgs = 0;
1121         dp.rgdispidNamedArgs = NULL;
1122     }
1123
1124     if(argc > 6) {
1125         dp.rgvarg = heap_alloc(argc*sizeof(VARIANT));
1126         if(!dp.rgvarg)
1127             return E_OUTOFMEMORY;
1128     }else {
1129         dp.rgvarg = buf;
1130     }
1131
1132     for(i=0; i<argc; i++) {
1133         hres = jsval_to_variant(argv[i], dp.rgvarg+argc-i-1);
1134         if(FAILED(hres)) {
1135             while(i--)
1136                 VariantClear(dp.rgvarg+argc-i-1);
1137             if(dp.rgvarg != buf)
1138                 heap_free(dp.rgvarg);
1139             return hres;
1140         }
1141     }
1142
1143     V_VT(&retv) = VT_EMPTY;
1144     clear_ei(ctx);
1145     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1146     if(SUCCEEDED(hres)) {
1147         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei,
1148                 &ctx->jscaller->IServiceProvider_iface);
1149         IDispatchEx_Release(dispex);
1150     }else {
1151         UINT err = 0;
1152
1153         if(flags == DISPATCH_CONSTRUCT) {
1154             WARN("IDispatch cannot be constructor\n");
1155             return DISP_E_MEMBERNOTFOUND;
1156         }
1157
1158         TRACE("using IDispatch\n");
1159         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei, &err);
1160     }
1161
1162     for(i=0; i<argc; i++)
1163         VariantClear(dp.rgvarg+argc-i-1);
1164     if(dp.rgvarg != buf)
1165         heap_free(dp.rgvarg);
1166     if(FAILED(hres))
1167         return hres;
1168
1169     if(ret) {
1170         hres = variant_to_jsval(&retv, ret);
1171         VariantClear(&retv);
1172     }
1173     return hres;
1174 }
1175
1176 HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv,
1177         jsval_t *r)
1178 {
1179     jsdisp_t *jsdisp;
1180     IDispatchEx *dispex;
1181     VARIANT buf[6], retv;
1182     DISPPARAMS dp;
1183     unsigned i;
1184     HRESULT hres;
1185
1186     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1187     if(jsdisp) {
1188         if(flags & DISPATCH_PROPERTYPUT) {
1189             FIXME("disp_call(propput) on builtin object\n");
1190             return E_FAIL;
1191         }
1192
1193         hres = jsdisp_call_value(jsdisp, jsthis, flags, argc, argv, r);
1194         jsdisp_release(jsdisp);
1195         return hres;
1196     }
1197
1198     if(r && argc && flags == DISPATCH_METHOD)
1199         flags |= DISPATCH_PROPERTYGET;
1200
1201     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1202     if(FAILED(hres)) {
1203         TRACE("using IDispatch\n");
1204         dispex = NULL;
1205         jsthis = NULL;
1206     }
1207
1208     if(jsthis) {
1209         static DISPID this_id = DISPID_THIS;
1210
1211         dp.cArgs = argc+1;
1212         dp.cNamedArgs = 1;
1213         dp.rgdispidNamedArgs = &this_id;
1214     }else {
1215         dp.cArgs = argc;
1216         dp.cNamedArgs = 0;
1217         dp.rgdispidNamedArgs = NULL;
1218     }
1219
1220     if(dp.cArgs > sizeof(buf)/sizeof(*buf)) {
1221         dp.rgvarg = heap_alloc(dp.cArgs*sizeof(VARIANT));
1222         if(!dp.rgvarg) {
1223             if(dispex)
1224                 IDispatchEx_Release(dispex);
1225             return E_OUTOFMEMORY;
1226         }
1227     }else {
1228         dp.rgvarg = buf;
1229     }
1230
1231     for(i=0; i<argc; i++) {
1232         hres = jsval_to_variant(argv[i], dp.rgvarg+dp.cArgs-i-1);
1233         if(FAILED(hres)) {
1234             while(i--)
1235                 VariantClear(dp.rgvarg+dp.cArgs-i-1);
1236             if(dp.rgvarg != buf)
1237                 heap_free(dp.rgvarg);
1238             if(dispex)
1239                 IDispatchEx_Release(dispex);
1240             return hres;
1241         }
1242     }
1243     if(jsthis) {
1244         V_VT(dp.rgvarg) = VT_DISPATCH;
1245         V_DISPATCH(dp.rgvarg) = jsthis;
1246     }
1247
1248     V_VT(&retv) = VT_EMPTY;
1249     clear_ei(ctx);
1250     if(dispex) {
1251         hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei,
1252                 &ctx->jscaller->IServiceProvider_iface);
1253         IDispatchEx_Release(dispex);
1254     }else {
1255         UINT err = 0;
1256
1257         if(flags == DISPATCH_CONSTRUCT) {
1258             WARN("IDispatch cannot be constructor\n");
1259             return DISP_E_MEMBERNOTFOUND;
1260         }
1261
1262         hres = IDispatch_Invoke(disp, DISPID_VALUE, &IID_NULL, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei, &err);
1263     }
1264
1265     for(i=0; i<argc; i++)
1266         VariantClear(dp.rgvarg+dp.cArgs-i-1);
1267     if(dp.rgvarg != buf)
1268         heap_free(dp.rgvarg);
1269     if(FAILED(hres))
1270         return hres;
1271
1272     if(!r)
1273         return S_OK;
1274
1275     hres = variant_to_jsval(&retv, r);
1276     VariantClear(&retv);
1277     return hres;
1278 }
1279
1280 HRESULT jsdisp_propput(jsdisp_t *obj, const WCHAR *name, DWORD flags, jsval_t val)
1281 {
1282     dispex_prop_t *prop;
1283     HRESULT hres;
1284
1285     hres = ensure_prop_name(obj, name, FALSE, flags, &prop);
1286     if(FAILED(hres))
1287         return hres;
1288
1289     return prop_put(obj, prop, val, NULL);
1290 }
1291
1292 HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, jsval_t val)
1293 {
1294     return jsdisp_propput(obj, name, PROPF_ENUM, val);
1295 }
1296
1297 HRESULT jsdisp_propput_const(jsdisp_t *obj, const WCHAR *name, jsval_t val)
1298 {
1299     dispex_prop_t *prop;
1300     HRESULT hres;
1301
1302     hres = ensure_prop_name(obj, name, FALSE, PROPF_CONST, &prop);
1303     if(FAILED(hres))
1304         return hres;
1305
1306     return jsval_copy(val, &prop->u.val);
1307 }
1308
1309 HRESULT jsdisp_propput_dontenum(jsdisp_t *obj, const WCHAR *name, jsval_t val)
1310 {
1311     return jsdisp_propput(obj, name, 0, val);
1312 }
1313
1314 HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, jsval_t val)
1315 {
1316     WCHAR buf[12];
1317
1318     static const WCHAR formatW[] = {'%','d',0};
1319
1320     sprintfW(buf, formatW, idx);
1321     return jsdisp_propput_name(obj, buf, val);
1322 }
1323
1324 HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t val)
1325 {
1326     jsdisp_t *jsdisp;
1327     HRESULT hres;
1328
1329     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1330     if(jsdisp) {
1331         dispex_prop_t *prop;
1332
1333         prop = get_prop(jsdisp, id);
1334         if(prop)
1335             hres = prop_put(jsdisp, prop, val, NULL);
1336         else
1337             hres = DISP_E_MEMBERNOTFOUND;
1338
1339         jsdisp_release(jsdisp);
1340     }else {
1341         DISPID dispid = DISPID_PROPERTYPUT;
1342         VARIANT var;
1343         DISPPARAMS dp  = {&var, &dispid, 1, 1};
1344         IDispatchEx *dispex;
1345
1346         hres = jsval_to_variant(val, &var);
1347         if(FAILED(hres))
1348             return hres;
1349
1350         clear_ei(ctx);
1351         hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1352         if(SUCCEEDED(hres)) {
1353             hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ctx->ei.ei,
1354                     &ctx->jscaller->IServiceProvider_iface);
1355             IDispatchEx_Release(dispex);
1356         }else {
1357             ULONG err = 0;
1358
1359             TRACE("using IDispatch\n");
1360             hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ctx->ei.ei, &err);
1361         }
1362
1363         VariantClear(&var);
1364     }
1365
1366     return hres;
1367 }
1368
1369 HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, jsval_t *val)
1370 {
1371     DISPPARAMS dp = {NULL, NULL, 0, 0};
1372     dispex_prop_t *prop;
1373     HRESULT hres;
1374
1375     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1376     if(FAILED(hres))
1377         return hres;
1378
1379     if(!prop || prop->type==PROP_DELETED) {
1380         *val = jsval_undefined();
1381         return S_OK;
1382     }
1383
1384     return prop_get(obj, prop, &dp, val, NULL);
1385 }
1386
1387 HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, jsval_t *r)
1388 {
1389     WCHAR name[12];
1390     DISPPARAMS dp = {NULL, NULL, 0, 0};
1391     dispex_prop_t *prop;
1392     HRESULT hres;
1393
1394     static const WCHAR formatW[] = {'%','d',0};
1395
1396     sprintfW(name, formatW, idx);
1397
1398     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1399     if(FAILED(hres))
1400         return hres;
1401
1402     if(!prop || prop->type==PROP_DELETED) {
1403         *r = jsval_undefined();
1404         return DISP_E_UNKNOWNNAME;
1405     }
1406
1407     return prop_get(obj, prop, &dp, r, NULL);
1408 }
1409
1410 HRESULT jsdisp_propget(jsdisp_t *jsdisp, DISPID id, jsval_t *val)
1411 {
1412     DISPPARAMS dp  = {NULL,NULL,0,0};
1413     dispex_prop_t *prop;
1414
1415     prop = get_prop(jsdisp, id);
1416     if(!prop)
1417         return DISP_E_MEMBERNOTFOUND;
1418
1419     return prop_get(jsdisp, prop, &dp, val, NULL);
1420 }
1421
1422 HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t *val)
1423 {
1424     DISPPARAMS dp  = {NULL,NULL,0,0};
1425     IDispatchEx *dispex;
1426     jsdisp_t *jsdisp;
1427     VARIANT var;
1428     HRESULT hres;
1429
1430     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1431     if(jsdisp) {
1432         hres = jsdisp_propget(jsdisp, id, val);
1433         jsdisp_release(jsdisp);
1434         return hres;
1435     }
1436
1437     V_VT(&var) = VT_EMPTY;
1438     clear_ei(ctx);
1439     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1440     if(SUCCEEDED(hres)) {
1441         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei,
1442                 &ctx->jscaller->IServiceProvider_iface);
1443         IDispatchEx_Release(dispex);
1444     }else {
1445         ULONG err = 0;
1446
1447         TRACE("using IDispatch\n");
1448         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei, &err);
1449     }
1450     if(FAILED(hres))
1451         return hres;
1452
1453     hres = variant_to_jsval(&var, val);
1454     VariantClear(&var);
1455     return hres;
1456 }
1457
1458 HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
1459 {
1460     static const WCHAR formatW[] = {'%','d',0};
1461     WCHAR buf[12];
1462     dispex_prop_t *prop;
1463     BOOL b;
1464     HRESULT hres;
1465
1466     sprintfW(buf, formatW, idx);
1467
1468     hres = find_prop_name(obj, string_hash(buf), buf, &prop);
1469     if(FAILED(hres) || !prop)
1470         return hres;
1471
1472     return delete_prop(prop, &b);
1473 }
1474
1475 HRESULT disp_delete(IDispatch *disp, DISPID id, BOOL *ret)
1476 {
1477     IDispatchEx *dispex;
1478     jsdisp_t *jsdisp;
1479     HRESULT hres;
1480
1481     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1482     if(jsdisp) {
1483         dispex_prop_t *prop;
1484
1485         prop = get_prop(jsdisp, id);
1486         if(prop)
1487             hres = delete_prop(prop, ret);
1488         else
1489             hres = DISP_E_MEMBERNOTFOUND;
1490
1491         jsdisp_release(jsdisp);
1492         return hres;
1493     }
1494
1495     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1496     if(FAILED(hres)) {
1497         *ret = FALSE;
1498         return S_OK;
1499     }
1500
1501     hres = IDispatchEx_DeleteMemberByDispID(dispex, id);
1502     IDispatchEx_Release(dispex);
1503     if(FAILED(hres))
1504         return hres;
1505
1506     *ret = hres == S_OK;
1507     return S_OK;
1508 }
1509
1510 HRESULT disp_delete_name(script_ctx_t *ctx, IDispatch *disp, jsstr_t *name, BOOL *ret)
1511 {
1512     IDispatchEx *dispex;
1513     jsdisp_t *jsdisp;
1514     BSTR bstr;
1515     HRESULT hres;
1516
1517     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1518     if(jsdisp) {
1519         dispex_prop_t *prop;
1520         const WCHAR *ptr;
1521
1522         ptr = jsstr_flatten(name);
1523         if(!ptr) {
1524             jsdisp_release(jsdisp);
1525             return E_OUTOFMEMORY;
1526         }
1527
1528         hres = find_prop_name(jsdisp, string_hash(ptr), ptr, &prop);
1529         if(prop) {
1530             hres = delete_prop(prop, ret);
1531         }else {
1532             *ret = TRUE;
1533             hres = S_OK;
1534         }
1535
1536         jsdisp_release(jsdisp);
1537         return hres;
1538     }
1539
1540     bstr = SysAllocStringLen(NULL, jsstr_length(name));
1541     if(!bstr)
1542         return E_OUTOFMEMORY;
1543     jsstr_flush(name, bstr);
1544
1545     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1546     if(SUCCEEDED(hres)) {
1547         hres = IDispatchEx_DeleteMemberByName(dispex, bstr, make_grfdex(ctx, fdexNameCaseSensitive));
1548         if(SUCCEEDED(hres))
1549             *ret = hres == S_OK;
1550         IDispatchEx_Release(dispex);
1551     }else {
1552         DISPID id;
1553
1554         hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &bstr, 1, 0, &id);
1555         if(SUCCEEDED(hres)) {
1556             /* Property exists and we can't delete it from pure IDispatch interface, so return false. */
1557             *ret = FALSE;
1558         }else if(hres == DISP_E_UNKNOWNNAME) {
1559             /* Property doesn't exist, so nothing to delete */
1560             *ret = TRUE;
1561             hres = S_OK;
1562         }
1563     }
1564
1565     SysFreeString(bstr);
1566     return hres;
1567 }
1568
1569 HRESULT jsdisp_is_own_prop(jsdisp_t *obj, const WCHAR *name, BOOL *ret)
1570 {
1571     dispex_prop_t *prop;
1572     HRESULT hres;
1573
1574     hres = find_prop_name(obj, string_hash(name), name, &prop);
1575     if(FAILED(hres))
1576         return hres;
1577
1578     *ret = prop && (prop->type == PROP_JSVAL || prop->type == PROP_BUILTIN);
1579     return S_OK;
1580 }
1581
1582 HRESULT jsdisp_is_enumerable(jsdisp_t *obj, const WCHAR *name, BOOL *ret)
1583 {
1584     dispex_prop_t *prop;
1585     HRESULT hres;
1586
1587     hres = find_prop_name(obj, string_hash(name), name, &prop);
1588     if(FAILED(hres))
1589         return hres;
1590
1591     *ret = prop && (prop->flags & PROPF_ENUM) && prop->type != PROP_PROTREF;
1592     return S_OK;
1593 }