dlls/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 <assert.h>
  20
  21 #include "jscript.h"
  22
  23 #include "wine/unicode.h"
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  27
  28 /*
  29  * This IID is used to get jsdisp_t objecto from interface.
  30  * We might consider using private interface instead.
  31  */
  32 static const IID IID_IDispatchJS =
  33         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
  34
  35 #define FDEX_VERSION_MASK 0xf0000000
  36 #define GOLDEN_RATIO 0x9E3779B9U
  37
  38 typedef enum {
  39     PROP_VARIANT,
  40     PROP_BUILTIN,
  41     PROP_PROTREF,
  42     PROP_DELETED
  43 } prop_type_t;
  44
  45 struct _dispex_prop_t {
  46     WCHAR *name;
  47     unsigned hash;
  48     prop_type_t type;
  49     DWORD flags;
  50
  51     union {
  52         VARIANT var;
  53         const builtin_prop_t *p;
  54         DWORD ref;
  55     } u;
  56
  57     int bucket_head;
  58     int bucket_next;
  59 };
  60
  61 static inline DISPID prop_to_id(jsdisp_t *This, dispex_prop_t *prop)
  62 {
  63     return prop - This->props;
  64 }
  65
  66 static inline dispex_prop_t *get_prop(jsdisp_t *This, DISPID id)
  67 {
  68     if(id < 0 || id >= This->prop_cnt || This->props[id].type == PROP_DELETED)
  69         return NULL;
  70
  71     return This->props+id;
  72 }
  73
  74 static DWORD get_flags(jsdisp_t *This, dispex_prop_t *prop)
  75 {
  76     if(prop->type == PROP_PROTREF) {
  77         dispex_prop_t *parent = get_prop(This->prototype, prop->u.ref);
  78         if(!parent) {
  79             prop->type = PROP_DELETED;
  80             return 0;
  81         }
  82
  83         return get_flags(This->prototype, parent);
  84     }
  85
  86     return prop->flags;
  87 }
  88
  89 static const builtin_prop_t *find_builtin_prop(jsdisp_t *This, const WCHAR *name)
  90 {
  91     int min = 0, max, i, r;
  92
  93     max = This->builtin_info->props_cnt-1;
  94     while(min <= max) {
  95         i = (min+max)/2;
  96
  97         r = strcmpW(name, This->builtin_info->props[i].name);
  98         if(!r)
  99             return This->builtin_info->props + i;
 100
 101         if(r < 0)
 102             max = i-1;
 103         else
 104             min = i+1;
 105     }
 106
 107     return NULL;
 108 }
 109
 110 static inline unsigned string_hash(const WCHAR *name)
 111 {
 112     unsigned h = 0;
 113     for(; *name; name++)
 114         h = (h>>(sizeof(unsigned)*8-4)) ^ (h<<4) ^ tolowerW(*name);
 115     return h;
 116 }
 117
 118 static inline unsigned get_props_idx(jsdisp_t *This, unsigned hash)
 119 {
 120     return (hash*GOLDEN_RATIO) & (This->buf_size-1);
 121 }
 122
 123 static inline HRESULT resize_props(jsdisp_t *This)
 124 {
 125     dispex_prop_t *props;
 126     int i, bucket;
 127
 128     if(This->buf_size != This->prop_cnt)
 129         return S_FALSE;
 130
 131     props = heap_realloc(This->props, sizeof(dispex_prop_t)*This->buf_size*2);
 132     if(!props)
 133         return E_OUTOFMEMORY;
 134     This->buf_size *= 2;
 135     This->props = props;
 136
 137     for(i=0; i<This->buf_size; i++) {
 138         This->props[i].bucket_head = 0;
 139         This->props[i].bucket_next = 0;
 140     }
 141
 142     for(i=1; i<This->prop_cnt; i++) {
 143         props = This->props+i;
 144
 145         bucket = get_props_idx(This, props->hash);
 146         props->bucket_next = This->props[bucket].bucket_head;
 147         This->props[bucket].bucket_head = i;
 148     }
 149
 150     return S_OK;
 151 }
 152
 153 static inline dispex_prop_t* alloc_prop(jsdisp_t *This, const WCHAR *name, prop_type_t type, DWORD flags)
 154 {
 155     dispex_prop_t *prop;
 156     unsigned bucket;
 157
 158     if(FAILED(resize_props(This)))
 159         return NULL;
 160
 161     prop = &This->props[This->prop_cnt];
 162     prop->name = heap_strdupW(name);
 163     if(!prop->name)
 164         return NULL;
 165     prop->type = type;
 166     prop->flags = flags;
 167     prop->hash = string_hash(name);
 168
 169     bucket = get_props_idx(This, prop->hash);
 170     prop->bucket_next = This->props[bucket].bucket_head;
 171     This->props[bucket].bucket_head = This->prop_cnt++;
 172     return prop;
 173 }
 174
 175 static dispex_prop_t *alloc_protref(jsdisp_t *This, const WCHAR *name, DWORD ref)
 176 {
 177     dispex_prop_t *ret;
 178
 179     ret = alloc_prop(This, name, PROP_PROTREF, 0);
 180     if(!ret)
 181         return NULL;
 182
 183     ret->u.ref = ref;
 184     return ret;
 185 }
 186
 187 static HRESULT find_prop_name(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
 188 {
 189     const builtin_prop_t *builtin;
 190     unsigned bucket, pos, prev = 0;
 191     dispex_prop_t *prop;
 192
 193     bucket = get_props_idx(This, hash);
 194     pos = This->props[bucket].bucket_head;
 195     while(pos != 0) {
 196         if(!strcmpW(name, This->props[pos].name)) {
 197             if(prev != 0) {
 198                 This->props[prev].bucket_next = This->props[pos].bucket_next;
 199                 This->props[pos].bucket_next = This->props[bucket].bucket_head;
 200                 This->props[bucket].bucket_head = pos;
 201             }
 202
 203             *ret = &This->props[pos];
 204             return S_OK;
 205         }
 206
 207         prev = pos;
 208         pos = This->props[pos].bucket_next;
 209     }
 210
 211     builtin = find_builtin_prop(This, name);
 212     if(builtin) {
 213         prop = alloc_prop(This, name, PROP_BUILTIN, builtin->flags);
 214         if(!prop)
 215             return E_OUTOFMEMORY;
 216
 217         prop->u.p = builtin;
 218         *ret = prop;
 219         return S_OK;
 220     }
 221
 222     *ret = NULL;
 223     return S_OK;
 224 }
 225
 226 static HRESULT find_prop_name_prot(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
 227 {
 228     dispex_prop_t *prop, *del=NULL;
 229     HRESULT hres;
 230
 231     hres = find_prop_name(This, hash, name, &prop);
 232     if(FAILED(hres))
 233         return hres;
 234     if(prop && prop->type==PROP_DELETED) {
 235         del = prop;
 236     } else if(prop) {
 237         *ret = prop;
 238         return S_OK;
 239     }
 240
 241     if(This->prototype) {
 242         hres = find_prop_name_prot(This->prototype, hash, name, &prop);
 243         if(FAILED(hres))
 244             return hres;
 245         if(prop) {
 246             if(del) {
 247                 del->type = PROP_PROTREF;
 248                 del->flags = 0;
 249                 del->u.ref = prop - This->prototype->props;
 250                 prop = del;
 251             }else {
 252                 prop = alloc_protref(This, prop->name, prop - This->prototype->props);
 253                 if(!prop)
 254                     return E_OUTOFMEMORY;
 255             }
 256
 257             *ret = prop;
 258             return S_OK;
 259         }
 260     }
 261
 262     *ret = del;
 263     return S_OK;
 264 }
 265
 266 static HRESULT ensure_prop_name(jsdisp_t *This, const WCHAR *name, BOOL search_prot, DWORD create_flags, dispex_prop_t **ret)
 267 {
 268     dispex_prop_t *prop;
 269     HRESULT hres;
 270
 271     if(search_prot)
 272         hres = find_prop_name_prot(This, string_hash(name), name, &prop);
 273     else
 274         hres = find_prop_name(This, string_hash(name), name, &prop);
 275     if(SUCCEEDED(hres) && (!prop || prop->type==PROP_DELETED)) {
 276         TRACE("creating prop %s\n", debugstr_w(name));
 277
 278         if(prop) {
 279             prop->type = PROP_VARIANT;
 280             prop->flags = create_flags;
 281         }else {
 282             prop = alloc_prop(This, name, PROP_VARIANT, create_flags);
 283             if(!prop)
 284                 return E_OUTOFMEMORY;
 285         }
 286
 287         VariantInit(&prop->u.var);
 288     }
 289
 290     *ret = prop;
 291     return hres;
 292 }
 293
 294 static HRESULT set_this(DISPPARAMS *dp, const DISPPARAMS *olddp, IDispatch *jsthis)
 295 {
 296     VARIANTARG *oldargs;
 297     int i;
 298
 299     static DISPID this_id = DISPID_THIS;
 300
 301     *dp = *olddp;
 302
 303     for(i = 0; i < dp->cNamedArgs; i++) {
 304         if(dp->rgdispidNamedArgs[i] == DISPID_THIS)
 305             return S_OK;
 306     }
 307
 308     oldargs = dp->rgvarg;
 309     dp->rgvarg = heap_alloc((dp->cArgs+1) * sizeof(VARIANTARG));
 310     if(!dp->rgvarg)
 311         return E_OUTOFMEMORY;
 312     memcpy(dp->rgvarg+1, oldargs, dp->cArgs*sizeof(VARIANTARG));
 313     V_VT(dp->rgvarg) = VT_DISPATCH;
 314     V_DISPATCH(dp->rgvarg) = jsthis;
 315     dp->cArgs++;
 316
 317     if(dp->cNamedArgs) {
 318         DISPID *old = dp->rgdispidNamedArgs;
 319         dp->rgdispidNamedArgs = heap_alloc((dp->cNamedArgs+1)*sizeof(DISPID));
 320         if(!dp->rgdispidNamedArgs) {
 321             heap_free(dp->rgvarg);
 322             return E_OUTOFMEMORY;
 323         }
 324
 325         memcpy(dp->rgdispidNamedArgs+1, old, dp->cNamedArgs*sizeof(DISPID));
 326         dp->rgdispidNamedArgs[0] = DISPID_THIS;
 327         dp->cNamedArgs++;
 328     }else {
 329         dp->rgdispidNamedArgs = &this_id;
 330         dp->cNamedArgs = 1;
 331     }
 332
 333     return S_OK;
 334 }
 335
 336 static IDispatch *get_this(DISPPARAMS *dp)
 337 {
 338     DWORD i;
 339
 340     for(i=0; i < dp->cNamedArgs; i++) {
 341         if(dp->rgdispidNamedArgs[i] == DISPID_THIS) {
 342             if(V_VT(dp->rgvarg+i) == VT_DISPATCH)
 343                 return V_DISPATCH(dp->rgvarg+i);
 344
 345             WARN("This is not VT_DISPATCH\n");
 346             return NULL;
 347         }
 348     }
 349
 350     TRACE("no this passed\n");
 351     return NULL;
 352 }
 353
 354 static HRESULT convert_params(const DISPPARAMS *dp, VARIANT *buf, DISPPARAMS *ret)
 355 {
 356     BOOL need_conversion = FALSE;
 357     const VARIANT *s;
 358     VARIANT *d;
 359     unsigned i;
 360
 361     *ret = *dp;
 362
 363     for(i = 0; i < ret->cArgs && !need_conversion; i++) {
 364         switch(V_VT(get_arg(dp, i))) {
 365         case VT_I2:
 366         case VT_INT:
 367             need_conversion = TRUE;
 368             break;
 369         }
 370     }
 371
 372     if(!need_conversion)
 373         return S_OK;
 374
 375     if(ret->cArgs > 6) {
 376         ret->rgvarg = heap_alloc(ret->cArgs * sizeof(VARIANT));
 377         if(!ret->rgvarg)
 378             return E_OUTOFMEMORY;
 379     }else {
 380         ret->rgvarg = buf;
 381     }
 382
 383     for(i = 0; i < ret->cArgs; i++) {
 384         s = get_arg(dp, i);
 385         d = get_arg(ret, i);
 386         switch(V_VT(s)) {
 387         case VT_I2:
 388             V_VT(d) = VT_I4;
 389             V_I4(d) = V_I2(s);
 390             break;
 391         case VT_INT:
 392             V_VT(d) = VT_I4;
 393             V_I4(d) = V_INT(s);
 394             break;
 395         default:
 396             *d = *s;
 397         }
 398     }
 399
 400     return S_OK;
 401 }
 402
 403 static HRESULT invoke_prop_func(jsdisp_t *This, IDispatch *jsthis, dispex_prop_t *prop, WORD flags,
 404         DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 405 {
 406     HRESULT hres;
 407
 408     switch(prop->type) {
 409     case PROP_BUILTIN: {
 410         DISPPARAMS params;
 411         VARIANT buf[6];
 412
 413         if(flags == DISPATCH_CONSTRUCT && (prop->flags & PROPF_METHOD)) {
 414             WARN("%s is not a constructor\n", debugstr_w(prop->name));
 415             return E_INVALIDARG;
 416         }
 417
 418         hres = convert_params(dp, buf, &params);
 419         if(FAILED(hres))
 420             return hres;
 421
 422         if(prop->name || This->builtin_info->class != JSCLASS_FUNCTION) {
 423             vdisp_t vthis;
 424
 425             if(jsthis)
 426                 set_disp(&vthis, jsthis);
 427             else
 428                 set_jsdisp(&vthis, This);
 429             hres = prop->u.p->invoke(This->ctx, &vthis, flags, &params, retv, ei);
 430             vdisp_release(&vthis);
 431         }else {
 432             /* Function object calls are special case */
 433             hres = Function_invoke(This, jsthis, flags, &params, retv, ei);
 434         }
 435         if(params.rgvarg != buf && params.rgvarg != dp->rgvarg)
 436             heap_free(params.rgvarg);
 437         return hres;
 438     }
 439     case PROP_PROTREF:
 440         return invoke_prop_func(This->prototype, jsthis, This->prototype->props+prop->u.ref, flags, dp, retv, ei, caller);
 441     case PROP_VARIANT: {
 442         if(V_VT(&prop->u.var) != VT_DISPATCH) {
 443             FIXME("invoke vt %d\n", V_VT(&prop->u.var));
 444             return E_FAIL;
 445         }
 446
 447         TRACE("call %s %p\n", debugstr_w(prop->name), V_DISPATCH(&prop->u.var));
 448
 449         return disp_call_value(This->ctx, V_DISPATCH(&prop->u.var), jsthis, flags, dp, retv, ei);
 450     }
 451     default:
 452         ERR("type %d\n", prop->type);
 453     }
 454
 455     return E_FAIL;
 456 }
 457
 458 static HRESULT prop_get(jsdisp_t *This, dispex_prop_t *prop, DISPPARAMS *dp,
 459         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 460 {
 461     HRESULT hres;
 462
 463     switch(prop->type) {
 464     case PROP_BUILTIN:
 465         if(prop->u.p->flags & PROPF_METHOD) {
 466             jsdisp_t *obj;
 467             hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
 468                     prop->u.p->flags, NULL, &obj);
 469             if(FAILED(hres))
 470                 break;
 471
 472             prop->type = PROP_VARIANT;
 473             var_set_jsdisp(&prop->u.var, obj);
 474             hres = VariantCopy(retv, &prop->u.var);
 475         }else {
 476             vdisp_t vthis;
 477
 478             set_jsdisp(&vthis, This);
 479             hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYGET, dp, retv, ei);
 480             vdisp_release(&vthis);
 481         }
 482         break;
 483     case PROP_PROTREF:
 484         hres = prop_get(This->prototype, This->prototype->props+prop->u.ref, dp, retv, ei, caller);
 485         break;
 486     case PROP_VARIANT:
 487         hres = VariantCopy(retv, &prop->u.var);
 488         break;
 489     default:
 490         ERR("type %d\n", prop->type);
 491         return E_FAIL;
 492     }
 493
 494     if(FAILED(hres)) {
 495         TRACE("fail %08x\n", hres);
 496         return hres;
 497     }
 498
 499     TRACE("%s ret %s\n", debugstr_w(prop->name), debugstr_variant(retv));
 500     return hres;
 501 }
 502
 503 static HRESULT prop_put(jsdisp_t *This, dispex_prop_t *prop, VARIANT *val,
 504         jsexcept_t *ei, IServiceProvider *caller)
 505 {
 506     HRESULT hres;
 507
 508     if(prop->flags & PROPF_CONST)
 509         return S_OK;
 510
 511     switch(prop->type) {
 512     case PROP_BUILTIN:
 513         if(!(prop->flags & PROPF_METHOD)) {
 514             DISPPARAMS dp = {val, NULL, 1, 0};
 515             vdisp_t vthis;
 516
 517             set_jsdisp(&vthis, This);
 518             hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYPUT, &dp, NULL, ei);
 519             vdisp_release(&vthis);
 520             return hres;
 521         }
 522     case PROP_PROTREF:
 523         prop->type = PROP_VARIANT;
 524         prop->flags = PROPF_ENUM;
 525         V_VT(&prop->u.var) = VT_EMPTY;
 526         break;
 527     case PROP_VARIANT:
 528         VariantClear(&prop->u.var);
 529         break;
 530     default:
 531         ERR("type %d\n", prop->type);
 532         return E_FAIL;
 533     }
 534
 535     hres = VariantCopy(&prop->u.var, val);
 536     if(FAILED(hres))
 537         return hres;
 538
 539     if(This->builtin_info->on_put)
 540         This->builtin_info->on_put(This, prop->name);
 541
 542     TRACE("%s = %s\n", debugstr_w(prop->name), debugstr_variant(val));
 543     return S_OK;
 544 }
 545
 546 static HRESULT fill_protrefs(jsdisp_t *This)
 547 {
 548     dispex_prop_t *iter, *prop;
 549     HRESULT hres;
 550
 551     if(!This->prototype)
 552         return S_OK;
 553
 554     fill_protrefs(This->prototype);
 555
 556     for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
 557         if(!iter->name)
 558             continue;
 559         hres = find_prop_name(This, iter->hash, iter->name, &prop);
 560         if(FAILED(hres))
 561             return hres;
 562         if(!prop || prop->type==PROP_DELETED) {
 563             if(prop) {
 564                 prop->type = PROP_PROTREF;
 565                 prop->flags = 0;
 566                 prop->u.ref = iter - This->prototype->props;
 567             }else {
 568                 prop = alloc_protref(This, iter->name, iter - This->prototype->props);
 569                 if(!prop)
 570                     return E_OUTOFMEMORY;
 571             }
 572         }
 573     }
 574
 575     return S_OK;
 576 }
 577
 578 static inline jsdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
 579 {
 580     return CONTAINING_RECORD(iface, jsdisp_t, IDispatchEx_iface);
 581 }
 582
 583 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 584 {
 585     jsdisp_t *This = impl_from_IDispatchEx(iface);
 586
 587     if(IsEqualGUID(&IID_IUnknown, riid)) {
 588         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 589         *ppv = &This->IDispatchEx_iface;
 590     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 591         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 592         *ppv = &This->IDispatchEx_iface;
 593     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 594         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 595         *ppv = &This->IDispatchEx_iface;
 596     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
 597         TRACE("(%p)->(IID_IDispatchJS %p)\n", This, ppv);
 598         jsdisp_addref(This);
 599         *ppv = This;
 600         return S_OK;
 601     }else {
 602         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 603         *ppv = NULL;
 604         return E_NOINTERFACE;
 605     }
 606
 607     IUnknown_AddRef((IUnknown*)*ppv);
 608     return S_OK;
 609 }
 610
 611 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 612 {
 613     jsdisp_t *This = impl_from_IDispatchEx(iface);
 614     LONG ref = InterlockedIncrement(&This->ref);
 615
 616     TRACE("(%p) ref=%d\n", This, ref);
 617
 618     return ref;
 619 }
 620
 621 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 622 {
 623     jsdisp_t *This = impl_from_IDispatchEx(iface);
 624     LONG ref = InterlockedDecrement(&This->ref);
 625
 626     TRACE("(%p) ref=%d\n", This, ref);
 627
 628     if(!ref) {
 629         dispex_prop_t *prop;
 630
 631         for(prop = This->props; prop < This->props+This->prop_cnt; prop++) {
 632             if(prop->type == PROP_VARIANT)
 633                 VariantClear(&prop->u.var);
 634             heap_free(prop->name);
 635         }
 636         heap_free(This->props);
 637         script_release(This->ctx);
 638         if(This->prototype)
 639             jsdisp_release(This->prototype);
 640
 641         if(This->builtin_info->destructor)
 642             This->builtin_info->destructor(This);
 643         else
 644             heap_free(This);
 645     }
 646
 647     return ref;
 648 }
 649
 650 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 651 {
 652     jsdisp_t *This = impl_from_IDispatchEx(iface);
 653
 654     TRACE("(%p)->(%p)\n", This, pctinfo);
 655
 656     *pctinfo = 1;
 657     return S_OK;
 658 }
 659
 660 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
 661                                               ITypeInfo **ppTInfo)
 662 {
 663     jsdisp_t *This = impl_from_IDispatchEx(iface);
 664     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 665     return E_NOTIMPL;
 666 }
 667
 668 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 669                                                 LPOLESTR *rgszNames, UINT cNames, LCID lcid,
 670                                                 DISPID *rgDispId)
 671 {
 672     jsdisp_t *This = impl_from_IDispatchEx(iface);
 673     UINT i;
 674     HRESULT hres;
 675
 676     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 677           lcid, rgDispId);
 678
 679     for(i=0; i < cNames; i++) {
 680         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
 681         if(FAILED(hres))
 682             return hres;
 683     }
 684
 685     return S_OK;
 686 }
 687
 688 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 689                                         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 690                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 691 {
 692     jsdisp_t *This = impl_from_IDispatchEx(iface);
 693
 694     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 695           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 696
 697     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
 698             pDispParams, pVarResult, pExcepInfo, NULL);
 699 }
 700
 701 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 702 {
 703     jsdisp_t *This = impl_from_IDispatchEx(iface);
 704
 705     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 706
 707     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
 708         FIXME("Unsupported grfdex %x\n", grfdex);
 709         return E_NOTIMPL;
 710     }
 711
 712     return jsdisp_get_id(This, bstrName, grfdex, pid);
 713 }
 714
 715 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 716         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 717 {
 718     jsdisp_t *This = impl_from_IDispatchEx(iface);
 719     dispex_prop_t *prop;
 720     jsexcept_t jsexcept;
 721     HRESULT hres;
 722
 723     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 724
 725     if(pvarRes)
 726         V_VT(pvarRes) = VT_EMPTY;
 727
 728     prop = get_prop(This, id);
 729     if(!prop || prop->type == PROP_DELETED) {
 730         TRACE("invalid id\n");
 731         return DISP_E_MEMBERNOTFOUND;
 732     }
 733
 734     memset(&jsexcept, 0, sizeof(jsexcept));
 735
 736     switch(wFlags) {
 737     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 738         wFlags = DISPATCH_METHOD;
 739         /* fall through */
 740     case DISPATCH_METHOD:
 741     case DISPATCH_CONSTRUCT:
 742         hres = invoke_prop_func(This, get_this(pdp), prop, wFlags, pdp, pvarRes, &jsexcept, pspCaller);
 743         break;
 744     case DISPATCH_PROPERTYGET:
 745         hres = prop_get(This, prop, pdp, pvarRes, &jsexcept, pspCaller);
 746         break;
 747     case DISPATCH_PROPERTYPUT: {
 748         DWORD i;
 749
 750         for(i=0; i < pdp->cNamedArgs; i++) {
 751             if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
 752                 break;
 753         }
 754
 755         if(i == pdp->cNamedArgs) {
 756             TRACE("no value to set\n");
 757             return DISP_E_PARAMNOTOPTIONAL;
 758         }
 759
 760         hres = prop_put(This, prop, pdp->rgvarg+i, &jsexcept, pspCaller);
 761         break;
 762     }
 763     default:
 764         FIXME("Unimplemented flags %x\n", wFlags);
 765         return E_INVALIDARG;
 766     }
 767
 768     if(pei)
 769         *pei = jsexcept.ei;
 770
 771     return hres;
 772 }
 773
 774 static HRESULT delete_prop(dispex_prop_t *prop)
 775 {
 776     if(prop->type == PROP_VARIANT) {
 777         VariantClear(&prop->u.var);
 778         prop->type = PROP_DELETED;
 779     }
 780     return S_OK;
 781 }
 782
 783 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 784 {
 785     jsdisp_t *This = impl_from_IDispatchEx(iface);
 786     dispex_prop_t *prop;
 787     HRESULT hres;
 788
 789     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 790
 791     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 792         FIXME("Unsupported grfdex %x\n", grfdex);
 793
 794     hres = find_prop_name(This, string_hash(bstrName), bstrName, &prop);
 795     if(FAILED(hres))
 796         return hres;
 797     if(!prop) {
 798         TRACE("not found\n");
 799         return S_OK;
 800     }
 801
 802     return delete_prop(prop);
 803 }
 804
 805 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 806 {
 807     jsdisp_t *This = impl_from_IDispatchEx(iface);
 808     dispex_prop_t *prop;
 809
 810     TRACE("(%p)->(%x)\n", This, id);
 811
 812     prop = get_prop(This, id);
 813     if(!prop) {
 814         WARN("invalid id\n");
 815         return DISP_E_MEMBERNOTFOUND;
 816     }
 817
 818     return delete_prop(prop);
 819 }
 820
 821 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 822 {
 823     jsdisp_t *This = impl_from_IDispatchEx(iface);
 824     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 825     return E_NOTIMPL;
 826 }
 827
 828 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 829 {
 830     jsdisp_t *This = impl_from_IDispatchEx(iface);
 831     dispex_prop_t *prop;
 832
 833     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
 834
 835     prop = get_prop(This, id);
 836     if(!prop || !prop->name || prop->type == PROP_DELETED)
 837         return DISP_E_MEMBERNOTFOUND;
 838
 839     *pbstrName = SysAllocString(prop->name);
 840     if(!*pbstrName)
 841         return E_OUTOFMEMORY;
 842
 843     return S_OK;
 844 }
 845
 846 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 847 {
 848     jsdisp_t *This = impl_from_IDispatchEx(iface);
 849     dispex_prop_t *iter;
 850     HRESULT hres;
 851
 852     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 853
 854     if(id == DISPID_STARTENUM) {
 855         hres = fill_protrefs(This);
 856         if(FAILED(hres))
 857             return hres;
 858     }
 859
 860     if(id+1>=0 && id+1<This->prop_cnt) {
 861         iter = &This->props[id+1];
 862     }else {
 863         *pid = DISPID_STARTENUM;
 864         return S_FALSE;
 865     }
 866
 867     while(iter < This->props + This->prop_cnt) {
 868         if(iter->name && (get_flags(This, iter) & PROPF_ENUM) && iter->type!=PROP_DELETED) {
 869             *pid = prop_to_id(This, iter);
 870             return S_OK;
 871         }
 872         iter++;
 873     }
 874
 875     *pid = DISPID_STARTENUM;
 876     return S_FALSE;
 877 }
 878
 879 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 880 {
 881     jsdisp_t *This = impl_from_IDispatchEx(iface);
 882     FIXME("(%p)->(%p)\n", This, ppunk);
 883     return E_NOTIMPL;
 884 }
 885
 886 static IDispatchExVtbl DispatchExVtbl = {
 887     DispatchEx_QueryInterface,
 888     DispatchEx_AddRef,
 889     DispatchEx_Release,
 890     DispatchEx_GetTypeInfoCount,
 891     DispatchEx_GetTypeInfo,
 892     DispatchEx_GetIDsOfNames,
 893     DispatchEx_Invoke,
 894     DispatchEx_GetDispID,
 895     DispatchEx_InvokeEx,
 896     DispatchEx_DeleteMemberByName,
 897     DispatchEx_DeleteMemberByDispID,
 898     DispatchEx_GetMemberProperties,
 899     DispatchEx_GetMemberName,
 900     DispatchEx_GetNextDispID,
 901     DispatchEx_GetNameSpaceParent
 902 };
 903
 904 jsdisp_t *as_jsdisp(IDispatch *disp)
 905 {
 906     assert(disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl);
 907     return impl_from_IDispatchEx((IDispatchEx*)disp);
 908 }
 909
 910 jsdisp_t *to_jsdisp(IDispatch *disp)
 911 {
 912     return disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl ? impl_from_IDispatchEx((IDispatchEx*)disp) : NULL;
 913 }
 914
 915 HRESULT init_dispex(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype)
 916 {
 917     TRACE("%p (%p)\n", dispex, prototype);
 918
 919     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
 920     dispex->ref = 1;
 921     dispex->builtin_info = builtin_info;
 922
 923     dispex->props = heap_alloc_zero(sizeof(dispex_prop_t)*(dispex->buf_size=4));
 924     if(!dispex->props)
 925         return E_OUTOFMEMORY;
 926
 927     dispex->prototype = prototype;
 928     if(prototype)
 929         jsdisp_addref(prototype);
 930
 931     dispex->prop_cnt = 1;
 932     if(builtin_info->value_prop.invoke) {
 933         dispex->props[0].type = PROP_BUILTIN;
 934         dispex->props[0].u.p = &builtin_info->value_prop;
 935     }else {
 936         dispex->props[0].type = PROP_DELETED;
 937     }
 938
 939     script_addref(ctx);
 940     dispex->ctx = ctx;
 941
 942     return S_OK;
 943 }
 944
 945 static const builtin_info_t dispex_info = {
 946     JSCLASS_NONE,
 947     {NULL, NULL, 0},
 948     0, NULL,
 949     NULL,
 950     NULL
 951 };
 952
 953 HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype, jsdisp_t **dispex)
 954 {
 955     jsdisp_t *ret;
 956     HRESULT hres;
 957
 958     ret = heap_alloc_zero(sizeof(jsdisp_t));
 959     if(!ret)
 960         return E_OUTOFMEMORY;
 961
 962     hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
 963     if(FAILED(hres))
 964         return hres;
 965
 966     *dispex = ret;
 967     return S_OK;
 968 }
 969
 970 HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *constr)
 971 {
 972     jsdisp_t *prot = NULL;
 973     dispex_prop_t *prop;
 974     HRESULT hres;
 975
 976     static const WCHAR constructorW[] = {'c','o','n','s','t','r','u','c','t','o','r',0};
 977     static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
 978
 979     hres = find_prop_name_prot(constr, string_hash(prototypeW), prototypeW, &prop);
 980     if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) {
 981         jsexcept_t jsexcept;
 982         VARIANT var;
 983
 984         V_VT(&var) = VT_EMPTY;
 985         memset(&jsexcept, 0, sizeof(jsexcept));
 986         hres = prop_get(constr, prop, NULL, &var, &jsexcept, NULL/*FIXME*/);
 987         if(FAILED(hres)) {
 988             ERR("Could not get prototype\n");
 989             return hres;
 990         }
 991
 992         if(V_VT(&var) == VT_DISPATCH)
 993             prot = iface_to_jsdisp((IUnknown*)V_DISPATCH(&var));
 994         VariantClear(&var);
 995     }
 996
 997     hres = init_dispex(dispex, ctx, builtin_info, prot);
 998
 999     if(prot)
1000         jsdisp_release(prot);
1001     if(FAILED(hres))
1002         return hres;
1003
1004     hres = ensure_prop_name(dispex, constructorW, FALSE, 0, &prop);
1005     if(SUCCEEDED(hres)) {
1006         jsexcept_t jsexcept;
1007         VARIANT var;
1008
1009         var_set_jsdisp(&var, constr);
1010         memset(&jsexcept, 0, sizeof(jsexcept));
1011         hres = prop_put(dispex, prop, &var, &jsexcept, NULL/*FIXME*/);
1012     }
1013     if(FAILED(hres))
1014         jsdisp_release(dispex);
1015
1016     return hres;
1017 }
1018
1019 jsdisp_t *iface_to_jsdisp(IUnknown *iface)
1020 {
1021     jsdisp_t *ret;
1022     HRESULT hres;
1023
1024     hres = IUnknown_QueryInterface(iface, &IID_IDispatchJS, (void**)&ret);
1025     if(FAILED(hres))
1026         return NULL;
1027
1028     return ret;
1029 }
1030
1031 static void ensure_retval_type(VARIANT *v)
1032 {
1033     switch(V_VT(v)) {
1034     case VT_I2:
1035         V_VT(v) = VT_I4;
1036         V_I4(v) = V_I2(v);
1037         break;
1038     case VT_INT:
1039         V_VT(v) = VT_I4;
1040         V_I4(v) = V_INT(v);
1041     }
1042 }
1043
1044 HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
1045 {
1046     dispex_prop_t *prop;
1047     HRESULT hres;
1048
1049     if(flags & fdexNameEnsure)
1050         hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUM, &prop);
1051     else
1052         hres = find_prop_name_prot(jsdisp, string_hash(name), name, &prop);
1053     if(FAILED(hres))
1054         return hres;
1055
1056     if(prop && prop->type!=PROP_DELETED) {
1057         *id = prop_to_id(jsdisp, prop);
1058         return S_OK;
1059     }
1060
1061     TRACE("not found %s\n", debugstr_w(name));
1062     return DISP_E_UNKNOWNNAME;
1063 }
1064
1065 HRESULT jsdisp_call_value(jsdisp_t *jsfunc, IDispatch *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
1066 {
1067     HRESULT hres;
1068
1069     TRACE("args %p\n", dp->rgvarg);
1070
1071     if(is_class(jsfunc, JSCLASS_FUNCTION)) {
1072         hres = Function_invoke(jsfunc, jsthis, flags, dp, retv, ei);
1073     }else {
1074         vdisp_t vdisp;
1075
1076         set_disp(&vdisp, jsthis);
1077         hres = jsfunc->builtin_info->value_prop.invoke(jsfunc->ctx, &vdisp, flags, dp, retv, ei);
1078         vdisp_release(&vdisp);
1079     }
1080     return hres;
1081 }
1082
1083 HRESULT jsdisp_call(jsdisp_t *disp, DISPID id, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
1084 {
1085     dispex_prop_t *prop;
1086
1087     memset(ei, 0, sizeof(*ei));
1088     if(retv)
1089         V_VT(retv) = VT_EMPTY;
1090
1091     prop = get_prop(disp, id);
1092     if(!prop)
1093         return DISP_E_MEMBERNOTFOUND;
1094
1095     return invoke_prop_func(disp, to_disp(disp), prop, flags, dp, retv, ei, NULL);
1096 }
1097
1098 HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, DISPPARAMS *dp, VARIANT *retv,
1099         jsexcept_t *ei)
1100 {
1101     dispex_prop_t *prop;
1102     HRESULT hres;
1103
1104     hres = find_prop_name_prot(disp, string_hash(name), name, &prop);
1105     if(FAILED(hres))
1106         return hres;
1107
1108     memset(ei, 0, sizeof(*ei));
1109     if(retv)
1110         V_VT(retv) = VT_EMPTY;
1111
1112     return invoke_prop_func(disp, to_disp(disp), prop, flags, dp, retv, ei, NULL);
1113 }
1114
1115 HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei)
1116 {
1117     jsdisp_t *jsdisp;
1118     IDispatchEx *dispex;
1119     HRESULT hres;
1120
1121     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1122     if(jsdisp) {
1123         if(flags & DISPATCH_PROPERTYPUT) {
1124             FIXME("disp_call(propput) on builtin object\n");
1125             return E_FAIL;
1126         }
1127
1128         hres = jsdisp_call(jsdisp, id, flags, dp, retv, ei);
1129         jsdisp_release(jsdisp);
1130         return hres;
1131     }
1132
1133     memset(ei, 0, sizeof(*ei));
1134     if(retv && arg_cnt(dp))
1135         flags |= DISPATCH_PROPERTYGET;
1136
1137     if(retv)
1138         V_VT(retv) = VT_EMPTY;
1139     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1140     if(SUCCEEDED(hres)) {
1141         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, dp, retv, &ei->ei, &ctx->jscaller->IServiceProvider_iface);
1142         IDispatchEx_Release(dispex);
1143     }else {
1144         UINT err = 0;
1145
1146         if(flags == DISPATCH_CONSTRUCT) {
1147             WARN("IDispatch cannot be constructor\n");
1148             return DISP_E_MEMBERNOTFOUND;
1149         }
1150
1151         TRACE("using IDispatch\n");
1152         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, dp, retv, &ei->ei, &err);
1153     }
1154
1155     if(FAILED(hres))
1156         return hres;
1157
1158     if(retv)
1159         ensure_retval_type(retv);
1160     return S_OK;
1161 }
1162
1163 HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, IDispatch *jsthis, WORD flags, DISPPARAMS *dp,
1164         VARIANT *retv, jsexcept_t *ei)
1165 {
1166     DISPPARAMS params;
1167     jsdisp_t *jsdisp;
1168     IDispatchEx *dispex;
1169     HRESULT hres;
1170
1171     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1172     if(jsdisp) {
1173         if(flags & DISPATCH_PROPERTYPUT) {
1174             FIXME("disp_call(propput) on builtin object\n");
1175             return E_FAIL;
1176         }
1177
1178         hres = jsdisp_call_value(jsdisp, jsthis, flags, dp, retv, ei);
1179         jsdisp_release(jsdisp);
1180         return hres;
1181     }
1182
1183     memset(ei, 0, sizeof(*ei));
1184     if(retv && arg_cnt(dp))
1185         flags |= DISPATCH_PROPERTYGET;
1186
1187     if(jsthis) {
1188         hres = set_this(&params, dp, jsthis);
1189         if(FAILED(hres))
1190             return hres;
1191     }else {
1192         params = *dp;
1193     }
1194
1195     if(retv)
1196         V_VT(retv) = VT_EMPTY;
1197     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1198     if(SUCCEEDED(hres)) {
1199         hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, ctx->lcid, flags, &params, retv, &ei->ei,
1200                 &ctx->jscaller->IServiceProvider_iface);
1201         IDispatchEx_Release(dispex);
1202     }else {
1203         UINT err = 0;
1204
1205         if(flags == DISPATCH_CONSTRUCT) {
1206             WARN("IDispatch cannot be constructor\n");
1207             return DISP_E_MEMBERNOTFOUND;
1208         }
1209
1210         TRACE("using IDispatch\n");
1211         hres = IDispatch_Invoke(disp, DISPID_VALUE, &IID_NULL, ctx->lcid, flags, &params, retv, &ei->ei, &err);
1212     }
1213
1214     if(params.rgvarg != dp->rgvarg) {
1215         heap_free(params.rgvarg);
1216         if(params.cNamedArgs > 1)
1217             heap_free(params.rgdispidNamedArgs);
1218     }
1219
1220     if(FAILED(hres))
1221         return hres;
1222
1223     if(retv)
1224         ensure_retval_type(retv);
1225     return S_OK;
1226 }
1227
1228 HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, VARIANT *val, jsexcept_t *ei)
1229 {
1230     dispex_prop_t *prop;
1231     HRESULT hres;
1232
1233     hres = ensure_prop_name(obj, name, FALSE, PROPF_ENUM, &prop);
1234     if(FAILED(hres))
1235         return hres;
1236
1237     return prop_put(obj, prop, val, ei, NULL);
1238 }
1239
1240 HRESULT jsdisp_propput_const(jsdisp_t *obj, const WCHAR *name, VARIANT *val)
1241 {
1242     dispex_prop_t *prop;
1243     HRESULT hres;
1244
1245     hres = ensure_prop_name(obj, name, FALSE, PROPF_ENUM|PROPF_CONST, &prop);
1246     if(FAILED(hres))
1247         return hres;
1248
1249     return VariantCopy(&prop->u.var, val);
1250 }
1251
1252 HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, VARIANT *val, jsexcept_t *ei)
1253 {
1254     WCHAR buf[12];
1255
1256     static const WCHAR formatW[] = {'%','d',0};
1257
1258     sprintfW(buf, formatW, idx);
1259     return jsdisp_propput_name(obj, buf, val, ei);
1260 }
1261
1262 HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, VARIANT *val, jsexcept_t *ei)
1263 {
1264     jsdisp_t *jsdisp;
1265     HRESULT hres;
1266
1267     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1268     if(jsdisp) {
1269         dispex_prop_t *prop;
1270
1271         prop = get_prop(jsdisp, id);
1272         if(prop)
1273             hres = prop_put(jsdisp, prop, val, ei, NULL);
1274         else
1275             hres = DISP_E_MEMBERNOTFOUND;
1276
1277         jsdisp_release(jsdisp);
1278     }else {
1279         DISPID dispid = DISPID_PROPERTYPUT;
1280         DISPPARAMS dp  = {val, &dispid, 1, 1};
1281         IDispatchEx *dispex;
1282
1283         hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1284         if(SUCCEEDED(hres)) {
1285             hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ei->ei,
1286                     &ctx->jscaller->IServiceProvider_iface);
1287             IDispatchEx_Release(dispex);
1288         }else {
1289             ULONG err = 0;
1290
1291             TRACE("using IDispatch\n");
1292             hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ei->ei, &err);
1293         }
1294     }
1295
1296     return hres;
1297 }
1298
1299 HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, VARIANT *var, jsexcept_t *ei)
1300 {
1301     DISPPARAMS dp = {NULL, NULL, 0, 0};
1302     dispex_prop_t *prop;
1303     HRESULT hres;
1304
1305     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1306     if(FAILED(hres))
1307         return hres;
1308
1309     V_VT(var) = VT_EMPTY;
1310     if(!prop || prop->type==PROP_DELETED)
1311         return S_OK;
1312
1313     return prop_get(obj, prop, &dp, var, ei, NULL);
1314 }
1315
1316 HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, VARIANT *var, jsexcept_t *ei)
1317 {
1318     WCHAR name[12];
1319     DISPPARAMS dp = {NULL, NULL, 0, 0};
1320     dispex_prop_t *prop;
1321     HRESULT hres;
1322
1323     static const WCHAR formatW[] = {'%','d',0};
1324
1325     sprintfW(name, formatW, idx);
1326
1327     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1328     if(FAILED(hres))
1329         return hres;
1330
1331     V_VT(var) = VT_EMPTY;
1332     if(!prop || prop->type==PROP_DELETED)
1333         return DISP_E_UNKNOWNNAME;
1334
1335     return prop_get(obj, prop, &dp, var, ei, NULL);
1336 }
1337
1338 HRESULT jsdisp_propget(jsdisp_t *jsdisp, DISPID id, VARIANT *val, jsexcept_t *ei)
1339 {
1340     DISPPARAMS dp  = {NULL,NULL,0,0};
1341     dispex_prop_t *prop;
1342
1343     prop = get_prop(jsdisp, id);
1344     if(!prop)
1345         return DISP_E_MEMBERNOTFOUND;
1346
1347     V_VT(val) = VT_EMPTY;
1348     return prop_get(jsdisp, prop, &dp, val, ei, NULL);
1349 }
1350
1351 HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, VARIANT *val, jsexcept_t *ei)
1352 {
1353     DISPPARAMS dp  = {NULL,NULL,0,0};
1354     IDispatchEx *dispex;
1355     jsdisp_t *jsdisp;
1356     HRESULT hres;
1357
1358     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1359     if(jsdisp) {
1360         hres = jsdisp_propget(jsdisp, id, val, ei);
1361         jsdisp_release(jsdisp);
1362         return hres;
1363     }
1364
1365     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1366     if(SUCCEEDED(hres)) {
1367         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, INVOKE_PROPERTYGET, &dp, val, &ei->ei,
1368                 &ctx->jscaller->IServiceProvider_iface);
1369         IDispatchEx_Release(dispex);
1370     }else {
1371         ULONG err = 0;
1372
1373         TRACE("using IDispatch\n");
1374         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, INVOKE_PROPERTYGET, &dp, val, &ei->ei, &err);
1375     }
1376     if(FAILED(hres))
1377         return hres;
1378
1379     ensure_retval_type(val);
1380     return S_OK;
1381 }
1382
1383 HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
1384 {
1385     static const WCHAR formatW[] = {'%','d',0};
1386     WCHAR buf[12];
1387     dispex_prop_t *prop;
1388     HRESULT hres;
1389
1390     sprintfW(buf, formatW, idx);
1391
1392     hres = find_prop_name(obj, string_hash(buf), buf, &prop);
1393     if(FAILED(hres) || !prop)
1394         return hres;
1395
1396     return delete_prop(prop);
1397 }
1398
1399 VARIANT_BOOL jsdisp_is_own_prop(jsdisp_t *obj, BSTR name)
1400 {
1401     dispex_prop_t *prop;
1402     HRESULT hres;
1403
1404     hres = find_prop_name(obj, string_hash(name), name, &prop);
1405     if(FAILED(hres))
1406         return VARIANT_FALSE;
1407     else if(!prop)
1408         return VARIANT_FALSE;
1409
1410     return prop->type==PROP_VARIANT ? VARIANT_TRUE : VARIANT_FALSE;
1411 }