reactos/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 #include "wine/unicode.h"
  22 #include "wine/debug.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  25
  26 /*
  27  * This IID is used to get DispatchEx objecto from interface.
  28  * We might consider using private insteface instead.
  29  */
  30 static const IID IID_IDispatchJS =
  31         {0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
  32
  33 #define FDEX_VERSION_MASK 0xf0000000
  34
  35 typedef enum {
  36     PROP_VARIANT,
  37     PROP_BUILTIN,
  38     PROP_PROTREF,
  39     PROP_DELETED
  40 } prop_type_t;
  41
  42 struct _dispex_prop_t {
  43     WCHAR *name;
  44     prop_type_t type;
  45     DWORD flags;
  46
  47     union {
  48         VARIANT var;
  49         const builtin_prop_t *p;
  50         DWORD ref;
  51     } u;
  52 };
  53
  54 static inline DISPID prop_to_id(DispatchEx *This, dispex_prop_t *prop)
  55 {
  56     return prop - This->props;
  57 }
  58
  59 static inline dispex_prop_t *get_prop(DispatchEx *This, DISPID id)
  60 {
  61     if(id < 0 || id >= This->prop_cnt || This->props[id].type == PROP_DELETED)
  62         return NULL;
  63
  64     return This->props+id;
  65 }
  66
  67 static DWORD get_flags(DispatchEx *This, dispex_prop_t *prop)
  68 {
  69     if(prop->type == PROP_PROTREF) {
  70         dispex_prop_t *parent = get_prop(This->prototype, prop->u.ref);
  71         if(!parent) {
  72             prop->type = PROP_DELETED;
  73             return 0;
  74         }
  75
  76         return get_flags(This->prototype, parent);
  77     }
  78
  79     return prop->flags;
  80 }
  81
  82 static const builtin_prop_t *find_builtin_prop(DispatchEx *This, const WCHAR *name)
  83 {
  84     int min = 0, max, i, r;
  85
  86     max = This->builtin_info->props_cnt-1;
  87     while(min <= max) {
  88         i = (min+max)/2;
  89
  90         r = strcmpW(name, This->builtin_info->props[i].name);
  91         if(!r)
  92             return This->builtin_info->props + i;
  93
  94         if(r < 0)
  95             max = i-1;
  96         else
  97             min = i+1;
  98     }
  99
 100     return NULL;
 101 }
 102
 103 static dispex_prop_t *alloc_prop(DispatchEx *This, const WCHAR *name, prop_type_t type, DWORD flags)
 104 {
 105     dispex_prop_t *ret;
 106
 107     if(This->buf_size == This->prop_cnt) {
 108         dispex_prop_t *tmp = heap_realloc(This->props, (This->buf_size<<=1)*sizeof(*This->props));
 109         if(!tmp)
 110             return NULL;
 111         This->props = tmp;
 112     }
 113
 114     ret = This->props + This->prop_cnt++;
 115     ret->type = type;
 116     ret->flags = flags;
 117     ret->name = heap_strdupW(name);
 118     if(!ret->name)
 119         return NULL;
 120
 121     return ret;
 122 }
 123
 124 static dispex_prop_t *alloc_protref(DispatchEx *This, const WCHAR *name, DWORD ref)
 125 {
 126     dispex_prop_t *ret;
 127
 128     ret = alloc_prop(This, name, PROP_PROTREF, 0);
 129     if(!ret)
 130         return NULL;
 131
 132     ret->u.ref = ref;
 133     return ret;
 134 }
 135
 136 static HRESULT find_prop_name(DispatchEx *This, const WCHAR *name, dispex_prop_t **ret)
 137 {
 138     const builtin_prop_t *builtin;
 139     dispex_prop_t *prop;
 140
 141     for(prop = This->props; prop < This->props+This->prop_cnt; prop++) {
 142         if(prop->name && !strcmpW(prop->name, name)) {
 143             *ret = prop;
 144             return S_OK;
 145         }
 146     }
 147
 148     builtin = find_builtin_prop(This, name);
 149     if(builtin) {
 150         prop = alloc_prop(This, name, PROP_BUILTIN, builtin->flags);
 151         if(!prop)
 152             return E_OUTOFMEMORY;
 153
 154         prop->u.p = builtin;
 155         *ret = prop;
 156         return S_OK;
 157     }
 158
 159     *ret = NULL;
 160     return S_OK;
 161 }
 162
 163 static HRESULT find_prop_name_prot(DispatchEx *This, const WCHAR *name, dispex_prop_t **ret)
 164 {
 165     dispex_prop_t *prop;
 166     HRESULT hres;
 167
 168     hres = find_prop_name(This, name, &prop);
 169     if(FAILED(hres))
 170         return hres;
 171     if(prop) {
 172         *ret = prop;
 173         return S_OK;
 174     }
 175
 176     if(This->prototype) {
 177         hres = find_prop_name_prot(This->prototype, name, &prop);
 178         if(FAILED(hres))
 179             return hres;
 180         if(prop) {
 181             prop = alloc_protref(This, prop->name, prop - This->prototype->props);
 182             if(!prop)
 183                 return E_OUTOFMEMORY;
 184             *ret = prop;
 185             return S_OK;
 186         }
 187     }
 188
 189     *ret = prop;
 190     return S_OK;
 191 }
 192
 193 static HRESULT ensure_prop_name(DispatchEx *This, const WCHAR *name, BOOL search_prot, DWORD create_flags, dispex_prop_t **ret)
 194 {
 195     dispex_prop_t *prop;
 196     HRESULT hres;
 197
 198     if(search_prot)
 199         hres = find_prop_name_prot(This, name, &prop);
 200     else
 201         hres = find_prop_name(This, name, &prop);
 202     if(SUCCEEDED(hres) && !prop) {
 203         TRACE("creating prop %s\n", debugstr_w(name));
 204
 205         prop = alloc_prop(This, name, PROP_VARIANT, create_flags);
 206         if(!prop)
 207             return E_OUTOFMEMORY;
 208         VariantInit(&prop->u.var);
 209     }
 210
 211     *ret = prop;
 212     return hres;
 213 }
 214
 215 static HRESULT set_this(DISPPARAMS *dp, DISPPARAMS *olddp, IDispatch *jsthis)
 216 {
 217     VARIANTARG *oldargs;
 218     int i;
 219
 220     static DISPID this_id = DISPID_THIS;
 221
 222     *dp = *olddp;
 223
 224     for(i = 0; i < dp->cNamedArgs; i++) {
 225         if(dp->rgdispidNamedArgs[i] == DISPID_THIS)
 226             return S_OK;
 227     }
 228
 229     oldargs = dp->rgvarg;
 230     dp->rgvarg = heap_alloc((dp->cArgs+1) * sizeof(VARIANTARG));
 231     if(!dp->rgvarg)
 232         return E_OUTOFMEMORY;
 233     memcpy(dp->rgvarg+1, oldargs, dp->cArgs*sizeof(VARIANTARG));
 234     V_VT(dp->rgvarg) = VT_DISPATCH;
 235     V_DISPATCH(dp->rgvarg) = jsthis;
 236     dp->cArgs++;
 237
 238     if(dp->cNamedArgs) {
 239         DISPID *old = dp->rgdispidNamedArgs;
 240         dp->rgdispidNamedArgs = heap_alloc((dp->cNamedArgs+1)*sizeof(DISPID));
 241         if(!dp->rgdispidNamedArgs) {
 242             heap_free(dp->rgvarg);
 243             return E_OUTOFMEMORY;
 244         }
 245
 246         memcpy(dp->rgdispidNamedArgs+1, old, dp->cNamedArgs*sizeof(DISPID));
 247         dp->rgdispidNamedArgs[0] = DISPID_THIS;
 248         dp->cNamedArgs++;
 249     }else {
 250         dp->rgdispidNamedArgs = &this_id;
 251         dp->cNamedArgs = 1;
 252     }
 253
 254     return S_OK;
 255 }
 256
 257 static HRESULT invoke_prop_func(DispatchEx *This, DispatchEx *jsthis, dispex_prop_t *prop, WORD flags,
 258         DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 259 {
 260     HRESULT hres;
 261
 262     switch(prop->type) {
 263     case PROP_BUILTIN: {
 264         vdisp_t vthis;
 265
 266         if(flags == DISPATCH_CONSTRUCT && (prop->flags & DISPATCH_METHOD)) {
 267             WARN("%s is not a constructor\n", debugstr_w(prop->name));
 268             return E_INVALIDARG;
 269         }
 270
 271         set_jsdisp(&vthis, jsthis);
 272         hres = prop->u.p->invoke(This->ctx, &vthis, flags, dp, retv, ei, caller);
 273         vdisp_release(&vthis);
 274         return hres;
 275     }
 276     case PROP_PROTREF:
 277         return invoke_prop_func(This->prototype, jsthis, This->prototype->props+prop->u.ref, flags, dp, retv, ei, caller);
 278     case PROP_VARIANT: {
 279         DISPPARAMS new_dp;
 280
 281         if(V_VT(&prop->u.var) != VT_DISPATCH) {
 282             FIXME("invoke vt %d\n", V_VT(&prop->u.var));
 283             return E_FAIL;
 284         }
 285
 286         TRACE("call %s %p\n", debugstr_w(prop->name), V_DISPATCH(&prop->u.var));
 287
 288         hres = set_this(&new_dp, dp, (IDispatch*)_IDispatchEx_(jsthis));
 289         if(FAILED(hres))
 290             return hres;
 291
 292         hres = disp_call(This->ctx, V_DISPATCH(&prop->u.var), DISPID_VALUE, flags, &new_dp, retv, ei, caller);
 293
 294         if(new_dp.rgvarg != dp->rgvarg) {
 295             heap_free(new_dp.rgvarg);
 296             if(new_dp.cNamedArgs > 1)
 297                 heap_free(new_dp.rgdispidNamedArgs);
 298         }
 299
 300         return hres;
 301     }
 302     default:
 303         ERR("type %d\n", prop->type);
 304     }
 305
 306     return E_FAIL;
 307 }
 308
 309 static HRESULT prop_get(DispatchEx *This, dispex_prop_t *prop, DISPPARAMS *dp,
 310         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 311 {
 312     HRESULT hres;
 313
 314     switch(prop->type) {
 315     case PROP_BUILTIN:
 316         if(prop->u.p->flags & PROPF_METHOD) {
 317             DispatchEx *obj;
 318             hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
 319                     prop->u.p->flags, NULL, &obj);
 320             if(FAILED(hres))
 321                 break;
 322
 323             prop->type = PROP_VARIANT;
 324             V_VT(&prop->u.var) = VT_DISPATCH;
 325             V_DISPATCH(&prop->u.var) = (IDispatch*)_IDispatchEx_(obj);
 326
 327             hres = VariantCopy(retv, &prop->u.var);
 328         }else {
 329             vdisp_t vthis;
 330
 331             set_jsdisp(&vthis, This);
 332             hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYGET, dp, retv, ei, caller);
 333             vdisp_release(&vthis);
 334         }
 335         break;
 336     case PROP_PROTREF:
 337         hres = prop_get(This->prototype, This->prototype->props+prop->u.ref, dp, retv, ei, caller);
 338         break;
 339     case PROP_VARIANT:
 340         hres = VariantCopy(retv, &prop->u.var);
 341         break;
 342     default:
 343         ERR("type %d\n", prop->type);
 344         return E_FAIL;
 345     }
 346
 347     if(FAILED(hres)) {
 348         TRACE("fail %08x\n", hres);
 349         return hres;
 350     }
 351
 352     TRACE("%s ret %s\n", debugstr_w(prop->name), debugstr_variant(retv));
 353     return hres;
 354 }
 355
 356 static HRESULT prop_put(DispatchEx *This, dispex_prop_t *prop, VARIANT *val,
 357         jsexcept_t *ei, IServiceProvider *caller)
 358 {
 359     HRESULT hres;
 360
 361     switch(prop->type) {
 362     case PROP_BUILTIN:
 363         if(!(prop->flags & PROPF_METHOD)) {
 364             DISPPARAMS dp = {val, NULL, 1, 0};
 365             vdisp_t vthis;
 366
 367             set_jsdisp(&vthis, This);
 368             hres = prop->u.p->invoke(This->ctx, &vthis, DISPATCH_PROPERTYPUT, &dp, NULL, ei, caller);
 369             vdisp_release(&vthis);
 370             return hres;
 371         }
 372     case PROP_PROTREF:
 373         prop->type = PROP_VARIANT;
 374         prop->flags = PROPF_ENUM;
 375         V_VT(&prop->u.var) = VT_EMPTY;
 376         break;
 377     case PROP_VARIANT:
 378         VariantClear(&prop->u.var);
 379         break;
 380     default:
 381         ERR("type %d\n", prop->type);
 382         return E_FAIL;
 383     }
 384
 385     hres = VariantCopy(&prop->u.var, val);
 386     if(FAILED(hres))
 387         return hres;
 388
 389     if(This->builtin_info->on_put)
 390         This->builtin_info->on_put(This, prop->name);
 391
 392     TRACE("%s = %s\n", debugstr_w(prop->name), debugstr_variant(val));
 393     return S_OK;
 394 }
 395
 396 static HRESULT fill_protrefs(DispatchEx *This)
 397 {
 398     dispex_prop_t *iter, *prop;
 399     HRESULT hres;
 400
 401     if(!This->prototype)
 402         return S_OK;
 403
 404     fill_protrefs(This->prototype);
 405
 406     for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
 407         if(!iter->name)
 408             continue;
 409         hres = find_prop_name(This, iter->name, &prop);
 410         if(FAILED(hres))
 411             return hres;
 412         if(!prop) {
 413             prop = alloc_protref(This, iter->name, iter - This->prototype->props);
 414             if(!prop)
 415                 return E_OUTOFMEMORY;
 416         }
 417     }
 418
 419     return S_OK;
 420 }
 421
 422 #define DISPATCHEX_THIS(iface) DEFINE_THIS(DispatchEx, IDispatchEx, iface)
 423
 424 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 425 {
 426     DispatchEx *This = DISPATCHEX_THIS(iface);
 427
 428     if(IsEqualGUID(&IID_IUnknown, riid)) {
 429         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 430         *ppv = _IDispatchEx_(This);
 431     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 432         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 433         *ppv = _IDispatchEx_(This);
 434     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 435         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 436         *ppv = _IDispatchEx_(This);
 437     }else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
 438         TRACE("(%p)->(IID_IDispatchJS %p)\n", This, ppv);
 439         IUnknown_AddRef(_IDispatchEx_(This));
 440         *ppv = This;
 441         return S_OK;
 442     }else {
 443         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 444         *ppv = NULL;
 445         return E_NOINTERFACE;
 446     }
 447
 448     IUnknown_AddRef((IUnknown*)*ppv);
 449     return S_OK;
 450 }
 451
 452 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 453 {
 454     DispatchEx *This = DISPATCHEX_THIS(iface);
 455     LONG ref = InterlockedIncrement(&This->ref);
 456
 457     TRACE("(%p) ref=%d\n", This, ref);
 458
 459     return ref;
 460 }
 461
 462 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 463 {
 464     DispatchEx *This = DISPATCHEX_THIS(iface);
 465     LONG ref = InterlockedDecrement(&This->ref);
 466
 467     TRACE("(%p) ref=%d\n", This, ref);
 468
 469     if(!ref) {
 470         dispex_prop_t *prop;
 471
 472         for(prop = This->props; prop < This->props+This->prop_cnt; prop++) {
 473             if(prop->type == PROP_VARIANT)
 474                 VariantClear(&prop->u.var);
 475             heap_free(prop->name);
 476         }
 477         heap_free(This->props);
 478         script_release(This->ctx);
 479         if(This->prototype)
 480             jsdisp_release(This->prototype);
 481
 482         if(This->builtin_info->destructor)
 483             This->builtin_info->destructor(This);
 484         else
 485             heap_free(This);
 486     }
 487
 488     return ref;
 489 }
 490
 491 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 492 {
 493     DispatchEx *This = DISPATCHEX_THIS(iface);
 494
 495     TRACE("(%p)->(%p)\n", This, pctinfo);
 496
 497     *pctinfo = 1;
 498     return S_OK;
 499 }
 500
 501 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
 502                                               ITypeInfo **ppTInfo)
 503 {
 504     DispatchEx *This = DISPATCHEX_THIS(iface);
 505     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 506     return E_NOTIMPL;
 507 }
 508
 509 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 510                                                 LPOLESTR *rgszNames, UINT cNames, LCID lcid,
 511                                                 DISPID *rgDispId)
 512 {
 513     DispatchEx *This = DISPATCHEX_THIS(iface);
 514     UINT i;
 515     HRESULT hres;
 516
 517     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 518           lcid, rgDispId);
 519
 520     for(i=0; i < cNames; i++) {
 521         hres = IDispatchEx_GetDispID(_IDispatchEx_(This), rgszNames[i], 0, rgDispId+i);
 522         if(FAILED(hres))
 523             return hres;
 524     }
 525
 526     return S_OK;
 527 }
 528
 529 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 530                                         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 531                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 532 {
 533     DispatchEx *This = DISPATCHEX_THIS(iface);
 534
 535     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 536           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 537
 538     return IDispatchEx_InvokeEx(_IDispatchEx_(This), dispIdMember, lcid, wFlags,
 539             pDispParams, pVarResult, pExcepInfo, NULL);
 540 }
 541
 542 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 543 {
 544     DispatchEx *This = DISPATCHEX_THIS(iface);
 545
 546     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 547
 548     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
 549         FIXME("Unsupported grfdex %x\n", grfdex);
 550         return E_NOTIMPL;
 551     }
 552
 553     return jsdisp_get_id(This, bstrName, grfdex, pid);
 554 }
 555
 556 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 557         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 558 {
 559     DispatchEx *This = DISPATCHEX_THIS(iface);
 560     dispex_prop_t *prop;
 561     jsexcept_t jsexcept;
 562     HRESULT hres;
 563
 564     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 565
 566     if(pvarRes)
 567         V_VT(pvarRes) = VT_EMPTY;
 568
 569     prop = get_prop(This, id);
 570     if(!prop || prop->type == PROP_DELETED) {
 571         TRACE("invalid id\n");
 572         return DISP_E_MEMBERNOTFOUND;
 573     }
 574
 575     memset(&jsexcept, 0, sizeof(jsexcept));
 576
 577     switch(wFlags) {
 578     case DISPATCH_METHOD:
 579     case DISPATCH_CONSTRUCT:
 580         hres = invoke_prop_func(This, This, prop, wFlags, pdp, pvarRes, &jsexcept, pspCaller);
 581         break;
 582     case DISPATCH_PROPERTYGET:
 583         hres = prop_get(This, prop, pdp, pvarRes, &jsexcept, pspCaller);
 584         break;
 585     case DISPATCH_PROPERTYPUT: {
 586         DWORD i;
 587
 588         for(i=0; i < pdp->cNamedArgs; i++) {
 589             if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
 590                 break;
 591         }
 592
 593         if(i == pdp->cNamedArgs) {
 594             TRACE("no value to set\n");
 595             return DISP_E_PARAMNOTOPTIONAL;
 596         }
 597
 598         hres = prop_put(This, prop, pdp->rgvarg+i, &jsexcept, pspCaller);
 599         break;
 600     }
 601     default:
 602         FIXME("Unimplemented flags %x\n", wFlags);
 603         return E_INVALIDARG;
 604     }
 605
 606     if(pei)
 607         *pei = jsexcept.ei;
 608
 609     return hres;
 610 }
 611
 612 static HRESULT delete_prop(dispex_prop_t *prop)
 613 {
 614     heap_free(prop->name);
 615     prop->name = NULL;
 616     prop->type = PROP_DELETED;
 617
 618     return S_OK;
 619 }
 620
 621 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 622 {
 623     DispatchEx *This = DISPATCHEX_THIS(iface);
 624     dispex_prop_t *prop;
 625     HRESULT hres;
 626
 627     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 628
 629     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 630         FIXME("Unsupported grfdex %x\n", grfdex);
 631
 632     hres = find_prop_name(This, bstrName, &prop);
 633     if(FAILED(hres))
 634         return hres;
 635     if(!prop) {
 636         TRACE("not found\n");
 637         return S_OK;
 638     }
 639
 640     return delete_prop(prop);
 641 }
 642
 643 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 644 {
 645     DispatchEx *This = DISPATCHEX_THIS(iface);
 646     dispex_prop_t *prop;
 647
 648     TRACE("(%p)->(%x)\n", This, id);
 649
 650     prop = get_prop(This, id);
 651     if(!prop) {
 652         WARN("invalid id\n");
 653         return DISP_E_MEMBERNOTFOUND;
 654     }
 655
 656     return delete_prop(prop);
 657 }
 658
 659 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 660 {
 661     DispatchEx *This = DISPATCHEX_THIS(iface);
 662     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 663     return E_NOTIMPL;
 664 }
 665
 666 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 667 {
 668     DispatchEx *This = DISPATCHEX_THIS(iface);
 669     dispex_prop_t *prop;
 670
 671     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
 672
 673     prop = get_prop(This, id);
 674     if(!prop || !prop->name || prop->type == PROP_DELETED)
 675         return DISP_E_MEMBERNOTFOUND;
 676
 677     *pbstrName = SysAllocString(prop->name);
 678     if(!*pbstrName)
 679         return E_OUTOFMEMORY;
 680
 681     return S_OK;
 682 }
 683
 684 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 685 {
 686     DispatchEx *This = DISPATCHEX_THIS(iface);
 687     dispex_prop_t *iter;
 688     HRESULT hres;
 689
 690     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 691
 692     if(id == DISPID_STARTENUM) {
 693         hres = fill_protrefs(This);
 694         if(FAILED(hres))
 695             return hres;
 696     }
 697
 698     iter = get_prop(This, id+1);
 699     if(!iter) {
 700         *pid = DISPID_STARTENUM;
 701         return S_FALSE;
 702     }
 703
 704     while(iter < This->props + This->prop_cnt) {
 705         if(iter->name && (get_flags(This, iter) & PROPF_ENUM)) {
 706             *pid = prop_to_id(This, iter);
 707             return S_OK;
 708         }
 709         iter++;
 710     }
 711
 712     *pid = DISPID_STARTENUM;
 713     return S_FALSE;
 714 }
 715
 716 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 717 {
 718     DispatchEx *This = DISPATCHEX_THIS(iface);
 719     FIXME("(%p)->(%p)\n", This, ppunk);
 720     return E_NOTIMPL;
 721 }
 722
 723 #undef DISPATCHEX_THIS
 724
 725 static IDispatchExVtbl DispatchExVtbl = {
 726     DispatchEx_QueryInterface,
 727     DispatchEx_AddRef,
 728     DispatchEx_Release,
 729     DispatchEx_GetTypeInfoCount,
 730     DispatchEx_GetTypeInfo,
 731     DispatchEx_GetIDsOfNames,
 732     DispatchEx_Invoke,
 733     DispatchEx_GetDispID,
 734     DispatchEx_InvokeEx,
 735     DispatchEx_DeleteMemberByName,
 736     DispatchEx_DeleteMemberByDispID,
 737     DispatchEx_GetMemberProperties,
 738     DispatchEx_GetMemberName,
 739     DispatchEx_GetNextDispID,
 740     DispatchEx_GetNameSpaceParent
 741 };
 742
 743 HRESULT init_dispex(DispatchEx *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, DispatchEx *prototype)
 744 {
 745     TRACE("%p (%p)\n", dispex, prototype);
 746
 747     dispex->lpIDispatchExVtbl = &DispatchExVtbl;
 748     dispex->ref = 1;
 749     dispex->builtin_info = builtin_info;
 750
 751     dispex->props = heap_alloc((dispex->buf_size=4) * sizeof(dispex_prop_t));
 752     if(!dispex->props)
 753         return E_OUTOFMEMORY;
 754
 755     dispex->prototype = prototype;
 756     if(prototype)
 757         IDispatchEx_AddRef(_IDispatchEx_(prototype));
 758
 759     dispex->prop_cnt = 1;
 760     dispex->props[0].name = NULL;
 761     dispex->props[0].flags = 0;
 762     if(builtin_info->value_prop.invoke) {
 763         dispex->props[0].type = PROP_BUILTIN;
 764         dispex->props[0].u.p = &builtin_info->value_prop;
 765     }else {
 766         dispex->props[0].type = PROP_DELETED;
 767     }
 768
 769     script_addref(ctx);
 770     dispex->ctx = ctx;
 771
 772     return S_OK;
 773 }
 774
 775 static const builtin_info_t dispex_info = {
 776     JSCLASS_NONE,
 777     {NULL, NULL, 0},
 778     0, NULL,
 779     NULL,
 780     NULL
 781 };
 782
 783 HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, DispatchEx *prototype, DispatchEx **dispex)
 784 {
 785     DispatchEx *ret;
 786     HRESULT hres;
 787
 788     ret = heap_alloc_zero(sizeof(DispatchEx));
 789     if(!ret)
 790         return E_OUTOFMEMORY;
 791
 792     hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
 793     if(FAILED(hres))
 794         return hres;
 795
 796     *dispex = ret;
 797     return S_OK;
 798 }
 799
 800 HRESULT init_dispex_from_constr(DispatchEx *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, DispatchEx *constr)
 801 {
 802     DispatchEx *prot = NULL;
 803     dispex_prop_t *prop;
 804     HRESULT hres;
 805
 806     static const WCHAR constructorW[] = {'c','o','n','s','t','r','u','c','t','o','r'};
 807     static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
 808
 809     hres = find_prop_name_prot(constr, prototypeW, &prop);
 810     if(SUCCEEDED(hres) && prop) {
 811         jsexcept_t jsexcept;
 812         VARIANT var;
 813
 814         V_VT(&var) = VT_EMPTY;
 815         memset(&jsexcept, 0, sizeof(jsexcept));
 816         hres = prop_get(constr, prop, NULL, &var, &jsexcept, NULL/*FIXME*/);
 817         if(FAILED(hres)) {
 818             ERR("Could not get prototype\n");
 819             return hres;
 820         }
 821
 822         if(V_VT(&var) == VT_DISPATCH)
 823             prot = iface_to_jsdisp((IUnknown*)V_DISPATCH(&var));
 824         VariantClear(&var);
 825     }
 826
 827     hres = init_dispex(dispex, ctx, builtin_info, prot);
 828
 829     if(prot)
 830         jsdisp_release(prot);
 831     if(FAILED(hres))
 832         return hres;
 833
 834     hres = ensure_prop_name(dispex, constructorW, FALSE, 0, &prop);
 835     if(SUCCEEDED(hres)) {
 836         jsexcept_t jsexcept;
 837         VARIANT var;
 838
 839         V_VT(&var) = VT_DISPATCH;
 840         V_DISPATCH(&var) = (IDispatch*)_IDispatchEx_(constr);
 841         memset(&jsexcept, 0, sizeof(jsexcept));
 842         hres = prop_put(dispex, prop, &var, &jsexcept, NULL/*FIXME*/);
 843     }
 844     if(FAILED(hres))
 845         jsdisp_release(dispex);
 846
 847     return hres;
 848 }
 849
 850 DispatchEx *iface_to_jsdisp(IUnknown *iface)
 851 {
 852     DispatchEx *ret;
 853     HRESULT hres;
 854
 855     hres = IUnknown_QueryInterface(iface, &IID_IDispatchJS, (void**)&ret);
 856     if(FAILED(hres))
 857         return NULL;
 858
 859     return ret;
 860 }
 861
 862 HRESULT jsdisp_get_id(DispatchEx *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
 863 {
 864     dispex_prop_t *prop;
 865     HRESULT hres;
 866
 867     if(flags & fdexNameEnsure)
 868         hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUM, &prop);
 869     else
 870         hres = find_prop_name_prot(jsdisp, name, &prop);
 871     if(FAILED(hres))
 872         return hres;
 873
 874     if(prop) {
 875         *id = prop_to_id(jsdisp, prop);
 876         return S_OK;
 877     }
 878
 879     TRACE("not found %s\n", debugstr_w(name));
 880     return DISP_E_UNKNOWNNAME;
 881 }
 882
 883 HRESULT jsdisp_call_value(DispatchEx *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv,
 884         jsexcept_t *ei, IServiceProvider *caller)
 885 {
 886     vdisp_t vdisp;
 887     HRESULT hres;
 888
 889     set_jsdisp(&vdisp, jsthis);
 890     hres = jsthis->builtin_info->value_prop.invoke(jsthis->ctx, &vdisp, flags, dp, retv, ei, caller);
 891     vdisp_release(&vdisp);
 892     return hres;
 893 }
 894
 895 HRESULT jsdisp_call(DispatchEx *disp, DISPID id, WORD flags, DISPPARAMS *dp, VARIANT *retv,
 896         jsexcept_t *ei, IServiceProvider *caller)
 897 {
 898     dispex_prop_t *prop;
 899
 900     memset(ei, 0, sizeof(*ei));
 901     if(retv)
 902         V_VT(retv) = VT_EMPTY;
 903
 904     prop = get_prop(disp, id);
 905     if(!prop)
 906         return DISP_E_MEMBERNOTFOUND;
 907
 908     return invoke_prop_func(disp, disp, prop, flags, dp, retv, ei, caller);
 909 }
 910
 911 HRESULT jsdisp_call_name(DispatchEx *disp, const WCHAR *name, WORD flags, DISPPARAMS *dp, VARIANT *retv,
 912         jsexcept_t *ei, IServiceProvider *caller)
 913 {
 914     dispex_prop_t *prop;
 915     HRESULT hres;
 916
 917     hres = find_prop_name_prot(disp, name, &prop);
 918     if(FAILED(hres))
 919         return hres;
 920
 921     memset(ei, 0, sizeof(*ei));
 922     if(retv)
 923         V_VT(retv) = VT_EMPTY;
 924
 925     return invoke_prop_func(disp, disp, prop, flags, dp, retv, ei, caller);
 926 }
 927
 928 HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, DISPPARAMS *dp, VARIANT *retv,
 929         jsexcept_t *ei, IServiceProvider *caller)
 930 {
 931     DispatchEx *jsdisp;
 932     IDispatchEx *dispex;
 933     HRESULT hres;
 934
 935     jsdisp = iface_to_jsdisp((IUnknown*)disp);
 936     if(jsdisp) {
 937         hres = jsdisp_call(jsdisp, id, flags, dp, retv, ei, caller);
 938         jsdisp_release(jsdisp);
 939         return hres;
 940     }
 941
 942     memset(ei, 0, sizeof(*ei));
 943
 944     if(retv)
 945         V_VT(retv) = VT_EMPTY;
 946     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
 947     if(FAILED(hres)) {
 948         UINT err = 0;
 949
 950         if(flags == DISPATCH_CONSTRUCT) {
 951             WARN("IDispatch cannot be constructor\n");
 952             return DISP_E_MEMBERNOTFOUND;
 953         }
 954
 955         TRACE("using IDispatch\n");
 956         return IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, dp, retv, &ei->ei, &err);
 957     }
 958
 959     hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, dp, retv, &ei->ei, caller);
 960     IDispatchEx_Release(dispex);
 961
 962     return hres;
 963 }
 964
 965 HRESULT jsdisp_propput_name(DispatchEx *obj, const WCHAR *name, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
 966 {
 967     dispex_prop_t *prop;
 968     HRESULT hres;
 969
 970     hres = ensure_prop_name(obj, name, FALSE, PROPF_ENUM, &prop);
 971     if(FAILED(hres))
 972         return hres;
 973
 974     return prop_put(obj, prop, val, ei, caller);
 975 }
 976
 977 HRESULT jsdisp_propput_idx(DispatchEx *obj, DWORD idx, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
 978 {
 979     WCHAR buf[12];
 980
 981     static const WCHAR formatW[] = {'%','d',0};
 982
 983     sprintfW(buf, formatW, idx);
 984     return jsdisp_propput_name(obj, buf, val, ei, caller);
 985 }
 986
 987 HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
 988 {
 989     DispatchEx *jsdisp;
 990     HRESULT hres;
 991
 992     jsdisp = iface_to_jsdisp((IUnknown*)disp);
 993     if(jsdisp) {
 994         dispex_prop_t *prop;
 995
 996         prop = get_prop(jsdisp, id);
 997         if(prop)
 998             hres = prop_put(jsdisp, prop, val, ei, caller);
 999         else
1000             hres = DISP_E_MEMBERNOTFOUND;
1001
1002         jsdisp_release(jsdisp);
1003     }else {
1004         DISPID dispid = DISPID_PROPERTYPUT;
1005         DISPPARAMS dp  = {val, &dispid, 1, 1};
1006         IDispatchEx *dispex;
1007
1008         hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1009         if(SUCCEEDED(hres)) {
1010             hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ei->ei, caller);
1011             IDispatchEx_Release(dispex);
1012         }else {
1013             ULONG err = 0;
1014
1015             TRACE("using IDispatch\n");
1016             hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, DISPATCH_PROPERTYPUT, &dp, NULL, &ei->ei, &err);
1017         }
1018     }
1019
1020     return hres;
1021 }
1022
1023 HRESULT jsdisp_propget_name(DispatchEx *obj, const WCHAR *name, VARIANT *var, jsexcept_t *ei, IServiceProvider *caller)
1024 {
1025     DISPPARAMS dp = {NULL, NULL, 0, 0};
1026     dispex_prop_t *prop;
1027     HRESULT hres;
1028
1029     hres = find_prop_name_prot(obj, name, &prop);
1030     if(FAILED(hres))
1031         return hres;
1032
1033     V_VT(var) = VT_EMPTY;
1034     if(!prop)
1035         return S_OK;
1036
1037     return prop_get(obj, prop, &dp, var, ei, caller);
1038 }
1039
1040 HRESULT jsdisp_get_idx(DispatchEx *obj, DWORD idx, VARIANT *var, jsexcept_t *ei, IServiceProvider *caller)
1041 {
1042     WCHAR name[12];
1043     DISPPARAMS dp = {NULL, NULL, 0, 0};
1044     dispex_prop_t *prop;
1045     HRESULT hres;
1046
1047     static const WCHAR formatW[] = {'%','d',0};
1048
1049     sprintfW(name, formatW, idx);
1050
1051     hres = find_prop_name_prot(obj, name, &prop);
1052     if(FAILED(hres))
1053         return hres;
1054
1055     V_VT(var) = VT_EMPTY;
1056     if(!prop)
1057         return DISP_E_UNKNOWNNAME;
1058
1059     return prop_get(obj, prop, &dp, var, ei, caller);
1060 }
1061
1062 HRESULT jsdisp_propget(DispatchEx *jsdisp, DISPID id, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
1063 {
1064     DISPPARAMS dp  = {NULL,NULL,0,0};
1065     dispex_prop_t *prop;
1066
1067     prop = get_prop(jsdisp, id);
1068     if(!prop)
1069         return DISP_E_MEMBERNOTFOUND;
1070
1071     V_VT(val) = VT_EMPTY;
1072     return prop_get(jsdisp, prop, &dp, val, ei, caller);
1073 }
1074
1075 HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, VARIANT *val, jsexcept_t *ei, IServiceProvider *caller)
1076 {
1077     DISPPARAMS dp  = {NULL,NULL,0,0};
1078     IDispatchEx *dispex;
1079     DispatchEx *jsdisp;
1080     HRESULT hres;
1081
1082     jsdisp = iface_to_jsdisp((IUnknown*)disp);
1083     if(jsdisp) {
1084         hres = jsdisp_propget(jsdisp, id, val, ei, caller);
1085         jsdisp_release(jsdisp);
1086         return hres;
1087     }
1088
1089     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1090     if(FAILED(hres)) {
1091         ULONG err = 0;
1092
1093         TRACE("using IDispatch\n");
1094         return IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, INVOKE_PROPERTYGET, &dp, val, &ei->ei, &err);
1095     }
1096
1097     hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, INVOKE_PROPERTYGET, &dp, val, &ei->ei, caller);
1098     IDispatchEx_Release(dispex);
1099
1100     return hres;
1101 }
1102
1103 HRESULT jsdisp_delete_idx(DispatchEx *obj, DWORD idx)
1104 {
1105     static const WCHAR formatW[] = {'%','d',0};
1106     WCHAR buf[12];
1107     dispex_prop_t *prop;
1108     HRESULT hres;
1109
1110     sprintfW(buf, formatW, idx);
1111
1112     hres = find_prop_name(obj, buf, &prop);
1113     if(FAILED(hres) || !prop)
1114         return hres;
1115
1116     return delete_prop(prop);
1117 }