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 #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(This->builtin_info->class != JSCLASS_FUNCTION && prop->u.p->invoke != JSGlobal_eval)
 374                 flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
 375             if(jsthis)
 376                 set_disp(&vthis, jsthis);
 377             else
 378                 set_jsdisp(&vthis, This);
 379             hres = prop->u.p->invoke(This->ctx, &vthis, flags, argc, argv, r);
 380             vdisp_release(&vthis);
 381         }else {
 382             /* Function object calls are special case */
 383             hres = Function_invoke(This, jsthis, flags, argc, argv, r);
 384         }
 385         return hres;
 386     }
 387     case PROP_PROTREF:
 388         return invoke_prop_func(This->prototype, jsthis, This->prototype->props+prop->u.ref,
 389                 flags, argc, argv, r, caller);
 390     case PROP_JSVAL: {
 391         if(!is_object_instance(prop->u.val)) {
 392             FIXME("invoke %s\n", debugstr_jsval(prop->u.val));
 393             return E_FAIL;
 394         }
 395
 396         TRACE("call %s %p\n", debugstr_w(prop->name), get_object(prop->u.val));
 397
 398         return disp_call_value(This->ctx, get_object(prop->u.val), jsthis, flags, argc, argv, r);
 399     }
 400     case PROP_IDX:
 401         FIXME("Invoking PROP_IDX not yet supported\n");
 402         return E_NOTIMPL;
 403     case PROP_DELETED:
 404         assert(0);
 405     }
 406
 407     assert(0);
 408     return E_FAIL;
 409 }
 410
 411 static HRESULT prop_get(jsdisp_t *This, dispex_prop_t *prop, DISPPARAMS *dp,
 412         jsval_t *r, IServiceProvider *caller)
 413 {
 414     HRESULT hres;
 415
 416     switch(prop->type) {
 417     case PROP_BUILTIN:
 418         if(prop->u.p->getter) {
 419             hres = prop->u.p->getter(This->ctx, This, r);
 420         }else {
 421             jsdisp_t *obj;
 422
 423             assert(prop->u.p->invoke != NULL);
 424             hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
 425                     prop->u.p->flags, NULL, &obj);
 426             if(FAILED(hres))
 427                 break;
 428
 429             prop->type = PROP_JSVAL;
 430             prop->u.val = jsval_obj(obj);
 431
 432             jsdisp_addref(obj);
 433             *r = jsval_obj(obj);
 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->u.p->setter)
 469             return prop->u.p->setter(This->ctx, This, val);
 470
 471         if(prop->u.p->setter) {
 472             FIXME("getter with no setter\n");
 473             return E_FAIL;
 474         }
 475         /* fall through */
 476     case PROP_PROTREF:
 477         prop->type = PROP_JSVAL;
 478         prop->flags = PROPF_ENUM;
 479         prop->u.val = jsval_undefined();
 480         break;
 481     case PROP_JSVAL:
 482         jsval_release(prop->u.val);
 483         break;
 484     case PROP_IDX:
 485         return This->builtin_info->idx_put(This, prop->u.idx, val);
 486     default:
 487         ERR("type %d\n", prop->type);
 488         return E_FAIL;
 489     }
 490
 491     TRACE("%s = %s\n", debugstr_w(prop->name), debugstr_jsval(val));
 492
 493     hres = jsval_copy(val, &prop->u.val);
 494     if(FAILED(hres))
 495         return hres;
 496
 497     if(This->builtin_info->on_put)
 498         This->builtin_info->on_put(This, prop->name);
 499
 500     return S_OK;
 501 }
 502
 503 HRESULT builtin_set_const(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t value)
 504 {
 505     TRACE("%p %s\n", jsthis, debugstr_jsval(value));
 506     return S_OK;
 507 }
 508
 509 static HRESULT fill_protrefs(jsdisp_t *This)
 510 {
 511     dispex_prop_t *iter, *prop;
 512     HRESULT hres;
 513
 514     if(!This->prototype)
 515         return S_OK;
 516
 517     fill_protrefs(This->prototype);
 518
 519     for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
 520         if(!iter->name)
 521             continue;
 522         hres = find_prop_name(This, iter->hash, iter->name, &prop);
 523         if(FAILED(hres))
 524             return hres;
 525         if(!prop || prop->type==PROP_DELETED) {
 526             if(prop) {
 527                 prop->type = PROP_PROTREF;
 528                 prop->flags = 0;
 529                 prop->u.ref = iter - This->prototype->props;
 530             }else {
 531                 prop = alloc_protref(This, iter->name, iter - This->prototype->props);
 532                 if(!prop)
 533                     return E_OUTOFMEMORY;
 534             }
 535         }
 536     }
 537
 538     return S_OK;
 539 }
 540
 541 static inline jsdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
 542 {
 543     return CONTAINING_RECORD(iface, jsdisp_t, IDispatchEx_iface);
 544 }
 545
 546 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 547 {
 548     jsdisp_t *This = impl_from_IDispatchEx(iface);
 549
 550     if(IsEqualGUID(&IID_IUnknown, riid)) {
 551         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 552         *ppv = &This->IDispatchEx_iface;
 553     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 554         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 555         *ppv = &This->IDispatchEx_iface;
 556     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 557         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 558         *ppv = &This->IDispatchEx_iface;
 559     }else {
 560         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 561         *ppv = NULL;
 562         return E_NOINTERFACE;
 563     }
 564
 565     jsdisp_addref(This);
 566     return S_OK;
 567 }
 568
 569 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 570 {
 571     jsdisp_t *This = impl_from_IDispatchEx(iface);
 572     jsdisp_addref(This);
 573     return This->ref;
 574 }
 575
 576 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 577 {
 578     jsdisp_t *This = impl_from_IDispatchEx(iface);
 579     ULONG ref = --This->ref;
 580     TRACE("(%p) ref=%d\n", This, ref);
 581     if(!ref)
 582         jsdisp_free(This);
 583     return ref;
 584 }
 585
 586 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 587 {
 588     jsdisp_t *This = impl_from_IDispatchEx(iface);
 589
 590     TRACE("(%p)->(%p)\n", This, pctinfo);
 591
 592     *pctinfo = 1;
 593     return S_OK;
 594 }
 595
 596 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
 597                                               ITypeInfo **ppTInfo)
 598 {
 599     jsdisp_t *This = impl_from_IDispatchEx(iface);
 600     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 601     return E_NOTIMPL;
 602 }
 603
 604 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 605                                                 LPOLESTR *rgszNames, UINT cNames, LCID lcid,
 606                                                 DISPID *rgDispId)
 607 {
 608     jsdisp_t *This = impl_from_IDispatchEx(iface);
 609     UINT i;
 610     HRESULT hres;
 611
 612     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 613           lcid, rgDispId);
 614
 615     for(i=0; i < cNames; i++) {
 616         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
 617         if(FAILED(hres))
 618             return hres;
 619     }
 620
 621     return S_OK;
 622 }
 623
 624 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 625                                         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 626                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 627 {
 628     jsdisp_t *This = impl_from_IDispatchEx(iface);
 629
 630     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 631           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 632
 633     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
 634             pDispParams, pVarResult, pExcepInfo, NULL);
 635 }
 636
 637 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 638 {
 639     jsdisp_t *This = impl_from_IDispatchEx(iface);
 640
 641     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 642
 643     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
 644         FIXME("Unsupported grfdex %x\n", grfdex);
 645         return E_NOTIMPL;
 646     }
 647
 648     return jsdisp_get_id(This, bstrName, grfdex, pid);
 649 }
 650
 651 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 652         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 653 {
 654     jsdisp_t *This = impl_from_IDispatchEx(iface);
 655     dispex_prop_t *prop;
 656     HRESULT hres;
 657
 658     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 659
 660     if(pvarRes)
 661         V_VT(pvarRes) = VT_EMPTY;
 662
 663     prop = get_prop(This, id);
 664     if(!prop || prop->type == PROP_DELETED) {
 665         TRACE("invalid id\n");
 666         return DISP_E_MEMBERNOTFOUND;
 667     }
 668
 669     clear_ei(This->ctx);
 670
 671     switch(wFlags) {
 672     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 673         wFlags = DISPATCH_METHOD;
 674         /* fall through */
 675     case DISPATCH_METHOD:
 676     case DISPATCH_CONSTRUCT: {
 677         jsval_t *argv, buf[6], r;
 678         unsigned argc;
 679
 680         hres = convert_params(pdp, buf, &argc, &argv);
 681         if(FAILED(hres))
 682             return hres;
 683
 684         hres = invoke_prop_func(This, get_this(pdp), prop, wFlags, argc, argv, pvarRes ? &r : NULL, pspCaller);
 685         if(argv != buf)
 686             heap_free(argv);
 687         if(SUCCEEDED(hres) && pvarRes) {
 688             hres = jsval_to_variant(r, pvarRes);
 689             jsval_release(r);
 690         }
 691         break;
 692     }
 693     case DISPATCH_PROPERTYGET: {
 694         jsval_t r;
 695
 696         hres = prop_get(This, prop, pdp, &r, pspCaller);
 697         if(SUCCEEDED(hres)) {
 698             hres = jsval_to_variant(r, pvarRes);
 699             jsval_release(r);
 700         }
 701         break;
 702     }
 703     case DISPATCH_PROPERTYPUT: {
 704         jsval_t val;
 705         DWORD i;
 706
 707         for(i=0; i < pdp->cNamedArgs; i++) {
 708             if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
 709                 break;
 710         }
 711
 712         if(i == pdp->cNamedArgs) {
 713             TRACE("no value to set\n");
 714             return DISP_E_PARAMNOTOPTIONAL;
 715         }
 716
 717         hres = variant_to_jsval(pdp->rgvarg+i, &val);
 718         if(FAILED(hres))
 719             return hres;
 720
 721         hres = prop_put(This, prop, val, pspCaller);
 722         jsval_release(val);
 723         break;
 724     }
 725     default:
 726         FIXME("Unimplemented flags %x\n", wFlags);
 727         return E_INVALIDARG;
 728     }
 729
 730     if(pei)
 731         *pei = This->ctx->ei.ei;
 732     return hres;
 733 }
 734
 735 static HRESULT delete_prop(dispex_prop_t *prop, BOOL *ret)
 736 {
 737     if(prop->flags & PROPF_DONTDELETE) {
 738         *ret = FALSE;
 739         return S_OK;
 740     }
 741
 742     *ret = TRUE; /* FIXME: not exactly right */
 743
 744     if(prop->type == PROP_JSVAL) {
 745         jsval_release(prop->u.val);
 746         prop->type = PROP_DELETED;
 747     }
 748     return S_OK;
 749 }
 750
 751 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 752 {
 753     jsdisp_t *This = impl_from_IDispatchEx(iface);
 754     dispex_prop_t *prop;
 755     BOOL b;
 756     HRESULT hres;
 757
 758     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 759
 760     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 761         FIXME("Unsupported grfdex %x\n", grfdex);
 762
 763     hres = find_prop_name(This, string_hash(bstrName), bstrName, &prop);
 764     if(FAILED(hres))
 765         return hres;
 766     if(!prop) {
 767         TRACE("not found\n");
 768         return S_OK;
 769     }
 770
 771     return delete_prop(prop, &b);
 772 }
 773
 774 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 775 {
 776     jsdisp_t *This = impl_from_IDispatchEx(iface);
 777     dispex_prop_t *prop;
 778     BOOL b;
 779
 780     TRACE("(%p)->(%x)\n", This, id);
 781
 782     prop = get_prop(This, id);
 783     if(!prop) {
 784         WARN("invalid id\n");
 785         return DISP_E_MEMBERNOTFOUND;
 786     }
 787
 788     return delete_prop(prop, &b);
 789 }
 790
 791 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 792 {
 793     jsdisp_t *This = impl_from_IDispatchEx(iface);
 794     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 795     return E_NOTIMPL;
 796 }
 797
 798 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 799 {
 800     jsdisp_t *This = impl_from_IDispatchEx(iface);
 801     dispex_prop_t *prop;
 802
 803     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
 804
 805     prop = get_prop(This, id);
 806     if(!prop || !prop->name || prop->type == PROP_DELETED)
 807         return DISP_E_MEMBERNOTFOUND;
 808
 809     *pbstrName = SysAllocString(prop->name);
 810     if(!*pbstrName)
 811         return E_OUTOFMEMORY;
 812
 813     return S_OK;
 814 }
 815
 816 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 817 {
 818     jsdisp_t *This = impl_from_IDispatchEx(iface);
 819     dispex_prop_t *iter;
 820     HRESULT hres;
 821
 822     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 823
 824     if(id == DISPID_STARTENUM) {
 825         hres = fill_protrefs(This);
 826         if(FAILED(hres))
 827             return hres;
 828     }
 829
 830     if(id+1>=0 && id+1<This->prop_cnt) {
 831         iter = &This->props[id+1];
 832     }else {
 833         *pid = DISPID_STARTENUM;
 834         return S_FALSE;
 835     }
 836
 837     while(iter < This->props + This->prop_cnt) {
 838         if(iter->name && (get_flags(This, iter) & PROPF_ENUM) && iter->type!=PROP_DELETED) {
 839             *pid = prop_to_id(This, iter);
 840             return S_OK;
 841         }
 842         iter++;
 843     }
 844
 845     *pid = DISPID_STARTENUM;
 846     return S_FALSE;
 847 }
 848
 849 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 850 {
 851     jsdisp_t *This = impl_from_IDispatchEx(iface);
 852     FIXME("(%p)->(%p)\n", This, ppunk);
 853     return E_NOTIMPL;
 854 }
 855
 856 static IDispatchExVtbl DispatchExVtbl = {
 857     DispatchEx_QueryInterface,
 858     DispatchEx_AddRef,
 859     DispatchEx_Release,
 860     DispatchEx_GetTypeInfoCount,
 861     DispatchEx_GetTypeInfo,
 862     DispatchEx_GetIDsOfNames,
 863     DispatchEx_Invoke,
 864     DispatchEx_GetDispID,
 865     DispatchEx_InvokeEx,
 866     DispatchEx_DeleteMemberByName,
 867     DispatchEx_DeleteMemberByDispID,
 868     DispatchEx_GetMemberProperties,
 869     DispatchEx_GetMemberName,
 870     DispatchEx_GetNextDispID,
 871     DispatchEx_GetNameSpaceParent
 872 };
 873
 874 jsdisp_t *as_jsdisp(IDispatch *disp)
 875 {
 876     assert(disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl);
 877     return impl_from_IDispatchEx((IDispatchEx*)disp);
 878 }
 879
 880 jsdisp_t *to_jsdisp(IDispatch *disp)
 881 {
 882     return disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl ? impl_from_IDispatchEx((IDispatchEx*)disp) : NULL;
 883 }
 884
 885 HRESULT init_dispex(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype)
 886 {
 887     TRACE("%p (%p)\n", dispex, prototype);
 888
 889     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
 890     dispex->ref = 1;
 891     dispex->builtin_info = builtin_info;
 892
 893     dispex->props = heap_alloc_zero(sizeof(dispex_prop_t)*(dispex->buf_size=4));
 894     if(!dispex->props)
 895         return E_OUTOFMEMORY;
 896
 897     dispex->prototype = prototype;
 898     if(prototype)
 899         jsdisp_addref(prototype);
 900
 901     dispex->prop_cnt = 1;
 902     if(builtin_info->value_prop.invoke || builtin_info->value_prop.getter) {
 903         dispex->props[0].type = PROP_BUILTIN;
 904         dispex->props[0].u.p = &builtin_info->value_prop;
 905     }else {
 906         dispex->props[0].type = PROP_DELETED;
 907     }
 908
 909     script_addref(ctx);
 910     dispex->ctx = ctx;
 911
 912     return S_OK;
 913 }
 914
 915 static const builtin_info_t dispex_info = {
 916     JSCLASS_NONE,
 917     {NULL, NULL, 0},
 918     0, NULL,
 919     NULL,
 920     NULL
 921 };
 922
 923 HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype, jsdisp_t **dispex)
 924 {
 925     jsdisp_t *ret;
 926     HRESULT hres;
 927
 928     ret = heap_alloc_zero(sizeof(jsdisp_t));
 929     if(!ret)
 930         return E_OUTOFMEMORY;
 931
 932     hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
 933     if(FAILED(hres)) {
 934         heap_free(ret);
 935         return hres;
 936     }
 937
 938     *dispex = ret;
 939     return S_OK;
 940 }
 941
 942 void jsdisp_free(jsdisp_t *obj)
 943 {
 944     dispex_prop_t *prop;
 945
 946     TRACE("(%p)\n", obj);
 947
 948     for(prop = obj->props; prop < obj->props+obj->prop_cnt; prop++) {
 949         if(prop->type == PROP_JSVAL)
 950             jsval_release(prop->u.val);
 951         heap_free(prop->name);
 952     }
 953     heap_free(obj->props);
 954     script_release(obj->ctx);
 955     if(obj->prototype)
 956         jsdisp_release(obj->prototype);
 957
 958     if(obj->builtin_info->destructor)
 959         obj->builtin_info->destructor(obj);
 960     else
 961         heap_free(obj);
 962 }
 963
 964 #ifdef TRACE_REFCNT
 965
 966 jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
 967 {
 968     ULONG ref = ++jsdisp->ref;
 969     TRACE("(%p) ref=%d\n", jsdisp, ref);
 970     return jsdisp;
 971 }
 972
 973 void jsdisp_release(jsdisp_t *jsdisp)
 974 {
 975     ULONG ref = --jsdisp->ref;
 976
 977     TRACE("(%p) ref=%d\n", jsdisp, ref);
 978
 979     if(!ref)
 980         jsdisp_free(jsdisp);
 981 }
 982
 983 #endif
 984
 985 HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *constr)
 986 {
 987     jsdisp_t *prot = NULL;
 988     dispex_prop_t *prop;
 989     HRESULT hres;
 990
 991     static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
 992
 993     hres = find_prop_name_prot(constr, string_hash(prototypeW), prototypeW, &prop);
 994     if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) {
 995         jsval_t val;
 996
 997         hres = prop_get(constr, prop, NULL, &val, NULL);
 998         if(FAILED(hres)) {
 999             ERR("Could not get prototype\n");
1000             return hres;
1001         }
1002
1003         if(is_object_instance(val))
1004             prot = iface_to_jsdisp(get_object(val));
1005         jsval_release(val);
1006     }
1007
1008     hres = init_dispex(dispex, ctx, builtin_info, prot);
1009
1010     if(prot)
1011         jsdisp_release(prot);
1012     return hres;
1013 }
1014
1015 jsdisp_t *iface_to_jsdisp(IDispatch *iface)
1016 {
1017     return iface->lpVtbl == (const IDispatchVtbl*)&DispatchExVtbl
1018         ? jsdisp_addref( impl_from_IDispatchEx((IDispatchEx*)iface))
1019         : NULL;
1020 }
1021
1022 HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
1023 {
1024     dispex_prop_t *prop;
1025     HRESULT hres;
1026
1027     if(flags & fdexNameEnsure)
1028         hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUM, &prop);
1029     else
1030         hres = find_prop_name_prot(jsdisp, string_hash(name), name, &prop);
1031     if(FAILED(hres))
1032         return hres;
1033
1034     if(prop && prop->type!=PROP_DELETED) {
1035         *id = prop_to_id(jsdisp, prop);
1036         return S_OK;
1037     }
1038
1039     TRACE("not found %s\n", debugstr_w(name));
1040     return DISP_E_UNKNOWNNAME;
1041 }
1042
1043 HRESULT jsdisp_call_value(jsdisp_t *jsfunc, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1044 {
1045     HRESULT hres;
1046
1047     assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
1048
1049     if(is_class(jsfunc, JSCLASS_FUNCTION)) {
1050         hres = Function_invoke(jsfunc, jsthis, flags, argc, argv, r);
1051     }else {
1052         vdisp_t vdisp;
1053
1054         if(!jsfunc->builtin_info->value_prop.invoke) {
1055             WARN("Not a function\n");
1056             return throw_type_error(jsfunc->ctx, JS_E_FUNCTION_EXPECTED, NULL);
1057         }
1058
1059         set_disp(&vdisp, jsthis);
1060         flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1061         hres = jsfunc->builtin_info->value_prop.invoke(jsfunc->ctx, &vdisp, flags, argc, argv, r);
1062         vdisp_release(&vdisp);
1063     }
1064     return hres;
1065 }
1066
1067 HRESULT jsdisp_call(jsdisp_t *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1068 {
1069     dispex_prop_t *prop;
1070
1071     prop = get_prop(disp, id);
1072     if(!prop)
1073         return DISP_E_MEMBERNOTFOUND;
1074
1075     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1076 }
1077
1078 HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1079 {
1080     dispex_prop_t *prop;
1081     HRESULT hres;
1082
1083     hres = find_prop_name_prot(disp, string_hash(name), name, &prop);
1084     if(FAILED(hres))
1085         return hres;
1086
1087     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1088 }
1089
1090 HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *ret)
1091 {
1092     IDispatchEx *dispex;
1093     jsdisp_t *jsdisp;
1094     VARIANT buf[6], retv;
1095     DISPPARAMS dp;
1096     unsigned i;
1097     HRESULT hres;
1098
1099     jsdisp = iface_to_jsdisp(disp);
1100     if(jsdisp) {
1101         if(flags & DISPATCH_PROPERTYPUT) {
1102             FIXME("disp_call(propput) on builtin object\n");
1103             return E_FAIL;
1104         }
1105
1106         hres = jsdisp_call(jsdisp, id, flags, argc, argv, ret);
1107         jsdisp_release(jsdisp);
1108         return hres;
1109     }
1110
1111     flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1112     if(ret && argc)
1113         flags |= DISPATCH_PROPERTYGET;
1114
1115     dp.cArgs = argc;
1116
1117     if(flags & DISPATCH_PROPERTYPUT) {
1118         static DISPID propput_dispid = DISPID_PROPERTYPUT;
1119
1120         dp.cNamedArgs = 1;
1121         dp.rgdispidNamedArgs = &propput_dispid;
1122     }else {
1123         dp.cNamedArgs = 0;
1124         dp.rgdispidNamedArgs = NULL;
1125     }
1126
1127     if(argc > 6) {
1128         dp.rgvarg = heap_alloc(argc*sizeof(VARIANT));
1129         if(!dp.rgvarg)
1130             return E_OUTOFMEMORY;
1131     }else {
1132         dp.rgvarg = buf;
1133     }
1134
1135     for(i=0; i<argc; i++) {
1136         hres = jsval_to_variant(argv[i], dp.rgvarg+argc-i-1);
1137         if(FAILED(hres)) {
1138             while(i--)
1139                 VariantClear(dp.rgvarg+argc-i-1);
1140             if(dp.rgvarg != buf)
1141                 heap_free(dp.rgvarg);
1142             return hres;
1143         }
1144     }
1145
1146     V_VT(&retv) = VT_EMPTY;
1147     clear_ei(ctx);
1148     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1149     if(SUCCEEDED(hres)) {
1150         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei,
1151                 &ctx->jscaller->IServiceProvider_iface);
1152         IDispatchEx_Release(dispex);
1153     }else {
1154         UINT err = 0;
1155
1156         if(flags == DISPATCH_CONSTRUCT) {
1157             WARN("IDispatch cannot be constructor\n");
1158             return DISP_E_MEMBERNOTFOUND;
1159         }
1160
1161         TRACE("using IDispatch\n");
1162         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei, &err);
1163     }
1164
1165     for(i=0; i<argc; i++)
1166         VariantClear(dp.rgvarg+argc-i-1);
1167     if(dp.rgvarg != buf)
1168         heap_free(dp.rgvarg);
1169     if(FAILED(hres))
1170         return hres;
1171
1172     if(ret) {
1173         hres = variant_to_jsval(&retv, ret);
1174         VariantClear(&retv);
1175     }
1176
1177     return hres;
1178 }
1179
1180 HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv,
1181         jsval_t *r)
1182 {
1183     jsdisp_t *jsdisp;
1184     IDispatchEx *dispex;
1185     VARIANT buf[6], retv;
1186     DISPPARAMS dp;
1187     unsigned i;
1188     HRESULT hres;
1189
1190     assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
1191
1192     jsdisp = iface_to_jsdisp(disp);
1193     if(jsdisp) {
1194         hres = jsdisp_call_value(jsdisp, jsthis, flags, argc, argv, r);
1195         jsdisp_release(jsdisp);
1196         return hres;
1197     }
1198
1199     flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1200     if(r && argc && flags == DISPATCH_METHOD)
1201         flags |= DISPATCH_PROPERTYGET;
1202
1203     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1204     if(FAILED(hres)) {
1205         TRACE("using IDispatch\n");
1206         dispex = NULL;
1207         jsthis = NULL;
1208     }
1209
1210     if(jsthis) {
1211         static DISPID this_id = DISPID_THIS;
1212
1213         dp.cArgs = argc+1;
1214         dp.cNamedArgs = 1;
1215         dp.rgdispidNamedArgs = &this_id;
1216     }else {
1217         dp.cArgs = argc;
1218         dp.cNamedArgs = 0;
1219         dp.rgdispidNamedArgs = NULL;
1220     }
1221
1222     if(dp.cArgs > sizeof(buf)/sizeof(*buf)) {
1223         dp.rgvarg = heap_alloc(dp.cArgs*sizeof(VARIANT));
1224         if(!dp.rgvarg) {
1225             if(dispex)
1226                 IDispatchEx_Release(dispex);
1227             return E_OUTOFMEMORY;
1228         }
1229     }else {
1230         dp.rgvarg = buf;
1231     }
1232
1233     for(i=0; i<argc; i++) {
1234         hres = jsval_to_variant(argv[i], dp.rgvarg+dp.cArgs-i-1);
1235         if(FAILED(hres)) {
1236             while(i--)
1237                 VariantClear(dp.rgvarg+dp.cArgs-i-1);
1238             if(dp.rgvarg != buf)
1239                 heap_free(dp.rgvarg);
1240             if(dispex)
1241                 IDispatchEx_Release(dispex);
1242             return hres;
1243         }
1244     }
1245     if(jsthis) {
1246         V_VT(dp.rgvarg) = VT_DISPATCH;
1247         V_DISPATCH(dp.rgvarg) = jsthis;
1248     }
1249
1250     V_VT(&retv) = VT_EMPTY;
1251     clear_ei(ctx);
1252     if(dispex) {
1253         hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei,
1254                 &ctx->jscaller->IServiceProvider_iface);
1255         IDispatchEx_Release(dispex);
1256     }else {
1257         UINT err = 0;
1258
1259         if(flags == DISPATCH_CONSTRUCT) {
1260             WARN("IDispatch cannot be constructor\n");
1261             return DISP_E_MEMBERNOTFOUND;
1262         }
1263
1264         hres = IDispatch_Invoke(disp, DISPID_VALUE, &IID_NULL, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei, &err);
1265     }
1266
1267     for(i=0; i<argc; i++)
1268         VariantClear(dp.rgvarg+dp.cArgs-i-1);
1269     if(dp.rgvarg != buf)
1270         heap_free(dp.rgvarg);
1271     if(FAILED(hres))
1272         return hres;
1273
1274     if(!r)
1275         return S_OK;
1276
1277     hres = variant_to_jsval(&retv, r);
1278     VariantClear(&retv);
1279     return hres;
1280 }
1281
1282 HRESULT jsdisp_propput(jsdisp_t *obj, const WCHAR *name, DWORD flags, jsval_t val)
1283 {
1284     dispex_prop_t *prop;
1285     HRESULT hres;
1286
1287     hres = ensure_prop_name(obj, name, FALSE, flags, &prop);
1288     if(FAILED(hres))
1289         return hres;
1290
1291     return prop_put(obj, prop, val, NULL);
1292 }
1293
1294 HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, jsval_t val)
1295 {
1296     return jsdisp_propput(obj, name, PROPF_ENUM, val);
1297 }
1298
1299 HRESULT jsdisp_propput_const(jsdisp_t *obj, const WCHAR *name, jsval_t val)
1300 {
1301     dispex_prop_t *prop;
1302     HRESULT hres;
1303
1304     hres = ensure_prop_name(obj, name, FALSE, PROPF_CONST, &prop);
1305     if(FAILED(hres))
1306         return hres;
1307
1308     return jsval_copy(val, &prop->u.val);
1309 }
1310
1311 HRESULT jsdisp_propput_dontenum(jsdisp_t *obj, const WCHAR *name, jsval_t val)
1312 {
1313     return jsdisp_propput(obj, name, 0, val);
1314 }
1315
1316 HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, jsval_t val)
1317 {
1318     WCHAR buf[12];
1319
1320     static const WCHAR formatW[] = {'%','d',0};
1321
1322     sprintfW(buf, formatW, idx);
1323     return jsdisp_propput_name(obj, buf, val);
1324 }
1325
1326 HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t val)
1327 {
1328     jsdisp_t *jsdisp;
1329     HRESULT hres;
1330
1331     jsdisp = iface_to_jsdisp(disp);
1332     if(jsdisp) {
1333         dispex_prop_t *prop;
1334
1335         prop = get_prop(jsdisp, id);
1336         if(prop)
1337             hres = prop_put(jsdisp, prop, val, NULL);
1338         else
1339             hres = DISP_E_MEMBERNOTFOUND;
1340
1341         jsdisp_release(jsdisp);
1342     }else {
1343         DISPID dispid = DISPID_PROPERTYPUT;
1344         DWORD flags = DISPATCH_PROPERTYPUT;
1345         VARIANT var;
1346         DISPPARAMS dp  = {&var, &dispid, 1, 1};
1347         IDispatchEx *dispex;
1348
1349         hres = jsval_to_variant(val, &var);
1350         if(FAILED(hres))
1351             return hres;
1352
1353         if(V_VT(&var) == VT_DISPATCH)
1354             flags |= DISPATCH_PROPERTYPUTREF;
1355
1356         clear_ei(ctx);
1357         hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1358         if(SUCCEEDED(hres)) {
1359             hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, &dp, NULL, &ctx->ei.ei,
1360                     &ctx->jscaller->IServiceProvider_iface);
1361             IDispatchEx_Release(dispex);
1362         }else {
1363             ULONG err = 0;
1364
1365             TRACE("using IDispatch\n");
1366             hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, &dp, NULL, &ctx->ei.ei, &err);
1367         }
1368
1369         VariantClear(&var);
1370     }
1371
1372     return hres;
1373 }
1374
1375 HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, jsval_t *val)
1376 {
1377     DISPPARAMS dp = {NULL, NULL, 0, 0};
1378     dispex_prop_t *prop;
1379     HRESULT hres;
1380
1381     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1382     if(FAILED(hres))
1383         return hres;
1384
1385     if(!prop || prop->type==PROP_DELETED) {
1386         *val = jsval_undefined();
1387         return S_OK;
1388     }
1389
1390     return prop_get(obj, prop, &dp, val, NULL);
1391 }
1392
1393 HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, jsval_t *r)
1394 {
1395     WCHAR name[12];
1396     DISPPARAMS dp = {NULL, NULL, 0, 0};
1397     dispex_prop_t *prop;
1398     HRESULT hres;
1399
1400     static const WCHAR formatW[] = {'%','d',0};
1401
1402     sprintfW(name, formatW, idx);
1403
1404     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1405     if(FAILED(hres))
1406         return hres;
1407
1408     if(!prop || prop->type==PROP_DELETED) {
1409         *r = jsval_undefined();
1410         return DISP_E_UNKNOWNNAME;
1411     }
1412
1413     return prop_get(obj, prop, &dp, r, NULL);
1414 }
1415
1416 HRESULT jsdisp_propget(jsdisp_t *jsdisp, DISPID id, jsval_t *val)
1417 {
1418     DISPPARAMS dp  = {NULL,NULL,0,0};
1419     dispex_prop_t *prop;
1420
1421     prop = get_prop(jsdisp, id);
1422     if(!prop)
1423         return DISP_E_MEMBERNOTFOUND;
1424
1425     return prop_get(jsdisp, prop, &dp, val, NULL);
1426 }
1427
1428 HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t *val)
1429 {
1430     DISPPARAMS dp  = {NULL,NULL,0,0};
1431     IDispatchEx *dispex;
1432     jsdisp_t *jsdisp;
1433     VARIANT var;
1434     HRESULT hres;
1435
1436     jsdisp = iface_to_jsdisp(disp);
1437     if(jsdisp) {
1438         hres = jsdisp_propget(jsdisp, id, val);
1439         jsdisp_release(jsdisp);
1440         return hres;
1441     }
1442
1443     V_VT(&var) = VT_EMPTY;
1444     clear_ei(ctx);
1445     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1446     if(SUCCEEDED(hres)) {
1447         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei,
1448                 &ctx->jscaller->IServiceProvider_iface);
1449         IDispatchEx_Release(dispex);
1450     }else {
1451         ULONG err = 0;
1452
1453         TRACE("using IDispatch\n");
1454         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei, &err);
1455     }
1456     if(FAILED(hres))
1457         return hres;
1458
1459     hres = variant_to_jsval(&var, val);
1460     VariantClear(&var);
1461     return hres;
1462 }
1463
1464 HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
1465 {
1466     static const WCHAR formatW[] = {'%','d',0};
1467     WCHAR buf[12];
1468     dispex_prop_t *prop;
1469     BOOL b;
1470     HRESULT hres;
1471
1472     sprintfW(buf, formatW, idx);
1473
1474     hres = find_prop_name(obj, string_hash(buf), buf, &prop);
1475     if(FAILED(hres) || !prop)
1476         return hres;
1477
1478     return delete_prop(prop, &b);
1479 }
1480
1481 HRESULT disp_delete(IDispatch *disp, DISPID id, BOOL *ret)
1482 {
1483     IDispatchEx *dispex;
1484     jsdisp_t *jsdisp;
1485     HRESULT hres;
1486
1487     jsdisp = iface_to_jsdisp(disp);
1488     if(jsdisp) {
1489         dispex_prop_t *prop;
1490
1491         prop = get_prop(jsdisp, id);
1492         if(prop)
1493             hres = delete_prop(prop, ret);
1494         else
1495             hres = DISP_E_MEMBERNOTFOUND;
1496
1497         jsdisp_release(jsdisp);
1498         return hres;
1499     }
1500
1501     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1502     if(FAILED(hres)) {
1503         *ret = FALSE;
1504         return S_OK;
1505     }
1506
1507     hres = IDispatchEx_DeleteMemberByDispID(dispex, id);
1508     IDispatchEx_Release(dispex);
1509     if(FAILED(hres))
1510         return hres;
1511
1512     *ret = hres == S_OK;
1513     return S_OK;
1514 }
1515
1516 HRESULT disp_delete_name(script_ctx_t *ctx, IDispatch *disp, jsstr_t *name, BOOL *ret)
1517 {
1518     IDispatchEx *dispex;
1519     jsdisp_t *jsdisp;
1520     BSTR bstr;
1521     HRESULT hres;
1522
1523     jsdisp = iface_to_jsdisp(disp);
1524     if(jsdisp) {
1525         dispex_prop_t *prop;
1526         const WCHAR *ptr;
1527
1528         ptr = jsstr_flatten(name);
1529         if(!ptr) {
1530             jsdisp_release(jsdisp);
1531             return E_OUTOFMEMORY;
1532         }
1533
1534         hres = find_prop_name(jsdisp, string_hash(ptr), ptr, &prop);
1535         if(prop) {
1536             hres = delete_prop(prop, ret);
1537         }else {
1538             *ret = TRUE;
1539             hres = S_OK;
1540         }
1541
1542         jsdisp_release(jsdisp);
1543         return hres;
1544     }
1545
1546     bstr = SysAllocStringLen(NULL, jsstr_length(name));
1547     if(!bstr)
1548         return E_OUTOFMEMORY;
1549     jsstr_flush(name, bstr);
1550
1551     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1552     if(SUCCEEDED(hres)) {
1553         hres = IDispatchEx_DeleteMemberByName(dispex, bstr, make_grfdex(ctx, fdexNameCaseSensitive));
1554         if(SUCCEEDED(hres))
1555             *ret = hres == S_OK;
1556         IDispatchEx_Release(dispex);
1557     }else {
1558         DISPID id;
1559
1560         hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &bstr, 1, 0, &id);
1561         if(SUCCEEDED(hres)) {
1562             /* Property exists and we can't delete it from pure IDispatch interface, so return false. */
1563             *ret = FALSE;
1564         }else if(hres == DISP_E_UNKNOWNNAME) {
1565             /* Property doesn't exist, so nothing to delete */
1566             *ret = TRUE;
1567             hres = S_OK;
1568         }
1569     }
1570
1571     SysFreeString(bstr);
1572     return hres;
1573 }
1574
1575 HRESULT jsdisp_is_own_prop(jsdisp_t *obj, const WCHAR *name, BOOL *ret)
1576 {
1577     dispex_prop_t *prop;
1578     HRESULT hres;
1579
1580     hres = find_prop_name(obj, string_hash(name), name, &prop);
1581     if(FAILED(hres))
1582         return hres;
1583
1584     *ret = prop && (prop->type == PROP_JSVAL || prop->type == PROP_BUILTIN);
1585     return S_OK;
1586 }
1587
1588 HRESULT jsdisp_is_enumerable(jsdisp_t *obj, const WCHAR *name, BOOL *ret)
1589 {
1590     dispex_prop_t *prop;
1591     HRESULT hres;
1592
1593     hres = find_prop_name(obj, string_hash(name), name, &prop);
1594     if(FAILED(hres))
1595         return hres;
1596
1597     *ret = prop && (prop->flags & PROPF_ENUM) && prop->type != PROP_PROTREF;
1598     return S_OK;
1599 }