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_ACCESSOR,
  36     PROP_DELETED,
  37     PROP_IDX
  38 } prop_type_t;
  39
  40 struct _dispex_prop_t {
  41     WCHAR *name;
  42     unsigned hash;
  43     prop_type_t type;
  44     DWORD flags;
  45
  46     union {
  47         jsval_t val;
  48         const builtin_prop_t *p;
  49         DWORD ref;
  50         unsigned idx;
  51         struct {
  52             jsdisp_t *getter;
  53             jsdisp_t *setter;
  54         } accessor;
  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             /* Skip prop if it's available only in higher compatibility mode. */
 100             unsigned version = (This->builtin_info->props[i].flags & PROPF_VERSION_MASK)
 101                 >> PROPF_VERSION_SHIFT;
 102             if(version && version > This->ctx->version)
 103                 return NULL;
 104
 105             /* Skip prop if it's available only in HTML mode and we're not running in HTML mode. */
 106             if((This->builtin_info->props[i].flags & PROPF_HTML) && !This->ctx->html_mode)
 107                 return NULL;
 108
 109             return This->builtin_info->props + i;
 110         }
 111
 112         if(r < 0)
 113             max = i-1;
 114         else
 115             min = i+1;
 116     }
 117
 118     return NULL;
 119 }
 120
 121 static inline unsigned string_hash(const WCHAR *name)
 122 {
 123     unsigned h = 0;
 124     for(; *name; name++)
 125         h = (h>>(sizeof(unsigned)*8-4)) ^ (h<<4) ^ tolowerW(*name);
 126     return h;
 127 }
 128
 129 static inline unsigned get_props_idx(jsdisp_t *This, unsigned hash)
 130 {
 131     return (hash*GOLDEN_RATIO) & (This->buf_size-1);
 132 }
 133
 134 static inline HRESULT resize_props(jsdisp_t *This)
 135 {
 136     dispex_prop_t *props;
 137     int i, bucket;
 138
 139     if(This->buf_size != This->prop_cnt)
 140         return S_FALSE;
 141
 142     props = heap_realloc(This->props, sizeof(dispex_prop_t)*This->buf_size*2);
 143     if(!props)
 144         return E_OUTOFMEMORY;
 145     This->buf_size *= 2;
 146     This->props = props;
 147
 148     for(i=0; i<This->buf_size; i++) {
 149         This->props[i].bucket_head = 0;
 150         This->props[i].bucket_next = 0;
 151     }
 152
 153     for(i=1; i<This->prop_cnt; i++) {
 154         props = This->props+i;
 155
 156         bucket = get_props_idx(This, props->hash);
 157         props->bucket_next = This->props[bucket].bucket_head;
 158         This->props[bucket].bucket_head = i;
 159     }
 160
 161     return S_OK;
 162 }
 163
 164 static inline dispex_prop_t* alloc_prop(jsdisp_t *This, const WCHAR *name, prop_type_t type, DWORD flags)
 165 {
 166     dispex_prop_t *prop;
 167     unsigned bucket;
 168
 169     if(FAILED(resize_props(This)))
 170         return NULL;
 171
 172     prop = &This->props[This->prop_cnt];
 173     prop->name = heap_strdupW(name);
 174     if(!prop->name)
 175         return NULL;
 176     prop->type = type;
 177     prop->flags = flags;
 178     prop->hash = string_hash(name);
 179
 180     bucket = get_props_idx(This, prop->hash);
 181     prop->bucket_next = This->props[bucket].bucket_head;
 182     This->props[bucket].bucket_head = This->prop_cnt++;
 183     return prop;
 184 }
 185
 186 static dispex_prop_t *alloc_protref(jsdisp_t *This, const WCHAR *name, DWORD ref)
 187 {
 188     dispex_prop_t *ret;
 189
 190     ret = alloc_prop(This, name, PROP_PROTREF, 0);
 191     if(!ret)
 192         return NULL;
 193
 194     ret->u.ref = ref;
 195     return ret;
 196 }
 197
 198 static HRESULT find_prop_name(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
 199 {
 200     const builtin_prop_t *builtin;
 201     unsigned bucket, pos, prev = 0;
 202     dispex_prop_t *prop;
 203
 204     bucket = get_props_idx(This, hash);
 205     pos = This->props[bucket].bucket_head;
 206     while(pos != 0) {
 207         if(!strcmpW(name, This->props[pos].name)) {
 208             if(prev != 0) {
 209                 This->props[prev].bucket_next = This->props[pos].bucket_next;
 210                 This->props[pos].bucket_next = This->props[bucket].bucket_head;
 211                 This->props[bucket].bucket_head = pos;
 212             }
 213
 214             *ret = &This->props[pos];
 215             return S_OK;
 216         }
 217
 218         prev = pos;
 219         pos = This->props[pos].bucket_next;
 220     }
 221
 222     builtin = find_builtin_prop(This, name);
 223     if(builtin) {
 224         unsigned flags = builtin->flags;
 225         if(flags & PROPF_METHOD)
 226             flags |= PROPF_WRITABLE | PROPF_CONFIGURABLE;
 227         else if(builtin->setter)
 228             flags |= PROPF_WRITABLE;
 229         flags &= PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE;
 230         prop = alloc_prop(This, name, PROP_BUILTIN, flags);
 231         if(!prop)
 232             return E_OUTOFMEMORY;
 233
 234         prop->u.p = builtin;
 235         *ret = prop;
 236         return S_OK;
 237     }
 238
 239     if(This->builtin_info->idx_length) {
 240         const WCHAR *ptr;
 241         unsigned idx = 0;
 242
 243         for(ptr = name; isdigitW(*ptr) && idx < 0x10000; ptr++)
 244             idx = idx*10 + (*ptr-'0');
 245         if(!*ptr && idx < This->builtin_info->idx_length(This)) {
 246             prop = alloc_prop(This, name, PROP_IDX, This->builtin_info->idx_put ? PROPF_WRITABLE : 0);
 247             if(!prop)
 248                 return E_OUTOFMEMORY;
 249
 250             prop->u.idx = idx;
 251             *ret = prop;
 252             return S_OK;
 253         }
 254     }
 255
 256     *ret = NULL;
 257     return S_OK;
 258 }
 259
 260 static HRESULT find_prop_name_prot(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
 261 {
 262     dispex_prop_t *prop, *del=NULL;
 263     HRESULT hres;
 264
 265     hres = find_prop_name(This, hash, name, &prop);
 266     if(FAILED(hres))
 267         return hres;
 268     if(prop && prop->type==PROP_DELETED) {
 269         del = prop;
 270     } else if(prop) {
 271         *ret = prop;
 272         return S_OK;
 273     }
 274
 275     if(This->prototype) {
 276         hres = find_prop_name_prot(This->prototype, hash, name, &prop);
 277         if(FAILED(hres))
 278             return hres;
 279         if(prop) {
 280             if(del) {
 281                 del->type = PROP_PROTREF;
 282                 del->u.ref = prop - This->prototype->props;
 283                 prop = del;
 284             }else {
 285                 prop = alloc_protref(This, prop->name, prop - This->prototype->props);
 286                 if(!prop)
 287                     return E_OUTOFMEMORY;
 288             }
 289
 290             *ret = prop;
 291             return S_OK;
 292         }
 293     }
 294
 295     *ret = del;
 296     return S_OK;
 297 }
 298
 299 static HRESULT ensure_prop_name(jsdisp_t *This, const WCHAR *name, BOOL search_prot, DWORD create_flags, dispex_prop_t **ret)
 300 {
 301     dispex_prop_t *prop;
 302     HRESULT hres;
 303
 304     if(search_prot)
 305         hres = find_prop_name_prot(This, string_hash(name), name, &prop);
 306     else
 307         hres = find_prop_name(This, string_hash(name), name, &prop);
 308     if(SUCCEEDED(hres) && (!prop || prop->type == PROP_DELETED)) {
 309         TRACE("creating prop %s flags %x\n", debugstr_w(name), create_flags);
 310
 311         if(prop) {
 312             prop->type = PROP_JSVAL;
 313             prop->flags = create_flags;
 314             prop->u.val = jsval_undefined();
 315         }else {
 316             prop = alloc_prop(This, name, PROP_JSVAL, create_flags);
 317             if(!prop)
 318                 return E_OUTOFMEMORY;
 319         }
 320
 321         prop->u.val = jsval_undefined();
 322     }
 323
 324     *ret = prop;
 325     return hres;
 326 }
 327
 328 static IDispatch *get_this(DISPPARAMS *dp)
 329 {
 330     DWORD i;
 331
 332     for(i=0; i < dp->cNamedArgs; i++) {
 333         if(dp->rgdispidNamedArgs[i] == DISPID_THIS) {
 334             if(V_VT(dp->rgvarg+i) == VT_DISPATCH)
 335                 return V_DISPATCH(dp->rgvarg+i);
 336
 337             WARN("This is not VT_DISPATCH\n");
 338             return NULL;
 339         }
 340     }
 341
 342     TRACE("no this passed\n");
 343     return NULL;
 344 }
 345
 346 static HRESULT convert_params(const DISPPARAMS *dp, jsval_t *buf, unsigned *argc, jsval_t **ret)
 347 {
 348     jsval_t *argv;
 349     unsigned cnt;
 350     unsigned i;
 351     HRESULT hres;
 352
 353     cnt = dp->cArgs - dp->cNamedArgs;
 354
 355     if(cnt > 6) {
 356         argv = heap_alloc(cnt * sizeof(*argv));
 357         if(!argv)
 358             return E_OUTOFMEMORY;
 359     }else {
 360         argv = buf;
 361     }
 362
 363     for(i = 0; i < cnt; i++) {
 364         hres = variant_to_jsval(dp->rgvarg+dp->cArgs-i-1, argv+i);
 365         if(FAILED(hres)) {
 366             while(i--)
 367                 jsval_release(argv[i]);
 368             if(argv != buf)
 369                 heap_free(argv);
 370             return hres;
 371         }
 372     }
 373
 374     *argc = cnt;
 375     *ret = argv;
 376     return S_OK;
 377 }
 378
 379 static HRESULT invoke_prop_func(jsdisp_t *This, IDispatch *jsthis, dispex_prop_t *prop, WORD flags,
 380         unsigned argc, jsval_t *argv, jsval_t *r, IServiceProvider *caller)
 381 {
 382     HRESULT hres;
 383
 384     switch(prop->type) {
 385     case PROP_BUILTIN: {
 386         if(flags == DISPATCH_CONSTRUCT && (prop->flags & PROPF_METHOD)) {
 387             WARN("%s is not a constructor\n", debugstr_w(prop->name));
 388             return E_INVALIDARG;
 389         }
 390
 391         if(prop->name || This->builtin_info->class != JSCLASS_FUNCTION) {
 392             vdisp_t vthis;
 393
 394             if(This->builtin_info->class != JSCLASS_FUNCTION && prop->u.p->invoke != JSGlobal_eval)
 395                 flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
 396             if(jsthis)
 397                 set_disp(&vthis, jsthis);
 398             else
 399                 set_jsdisp(&vthis, This);
 400             hres = prop->u.p->invoke(This->ctx, &vthis, flags, argc, argv, r);
 401             vdisp_release(&vthis);
 402         }else {
 403             /* Function object calls are special case */
 404             hres = Function_invoke(This, jsthis, flags, argc, argv, r);
 405         }
 406         return hres;
 407     }
 408     case PROP_PROTREF:
 409         return invoke_prop_func(This->prototype, jsthis, This->prototype->props+prop->u.ref,
 410                 flags, argc, argv, r, caller);
 411     case PROP_JSVAL: {
 412         if(!is_object_instance(prop->u.val)) {
 413             FIXME("invoke %s\n", debugstr_jsval(prop->u.val));
 414             return E_FAIL;
 415         }
 416
 417         TRACE("call %s %p\n", debugstr_w(prop->name), get_object(prop->u.val));
 418
 419         return disp_call_value(This->ctx, get_object(prop->u.val), jsthis, flags, argc, argv, r);
 420     }
 421     case PROP_ACCESSOR:
 422         FIXME("accessor\n");
 423         return E_NOTIMPL;
 424     case PROP_IDX:
 425         FIXME("Invoking PROP_IDX not yet supported\n");
 426         return E_NOTIMPL;
 427     case PROP_DELETED:
 428         assert(0);
 429     }
 430
 431     assert(0);
 432     return E_FAIL;
 433 }
 434
 435 static HRESULT prop_get(jsdisp_t *This, dispex_prop_t *prop,  jsval_t *r)
 436 {
 437     jsdisp_t *prop_obj = This;
 438     HRESULT hres;
 439
 440     while(prop->type == PROP_PROTREF) {
 441         prop_obj = prop_obj->prototype;
 442         prop = prop_obj->props + prop->u.ref;
 443     }
 444
 445     switch(prop->type) {
 446     case PROP_BUILTIN:
 447         if(prop->u.p->getter) {
 448             hres = prop->u.p->getter(This->ctx, This, r);
 449         }else {
 450             jsdisp_t *obj;
 451
 452             assert(prop->u.p->invoke != NULL);
 453             hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
 454                     prop->u.p->flags, NULL, &obj);
 455             if(FAILED(hres))
 456                 break;
 457
 458             prop->type = PROP_JSVAL;
 459             prop->u.val = jsval_obj(obj);
 460
 461             jsdisp_addref(obj);
 462             *r = jsval_obj(obj);
 463         }
 464         break;
 465     case PROP_JSVAL:
 466         hres = jsval_copy(prop->u.val, r);
 467         break;
 468     case PROP_ACCESSOR:
 469         if(prop->u.accessor.getter) {
 470             hres = jsdisp_call_value(prop->u.accessor.getter, to_disp(This),
 471                                      DISPATCH_METHOD, 0, NULL, r);
 472         }else {
 473             *r = jsval_undefined();
 474             hres = S_OK;
 475         }
 476         break;
 477     case PROP_IDX:
 478         hres = prop_obj->builtin_info->idx_get(prop_obj, prop->u.idx, r);
 479         break;
 480     default:
 481         ERR("type %d\n", prop->type);
 482         return E_FAIL;
 483     }
 484
 485     if(FAILED(hres)) {
 486         TRACE("fail %08x\n", hres);
 487         return hres;
 488     }
 489
 490     TRACE("%s ret %s\n", debugstr_w(prop->name), debugstr_jsval(*r));
 491     return hres;
 492 }
 493
 494 static HRESULT prop_put(jsdisp_t *This, dispex_prop_t *prop, jsval_t val)
 495 {
 496     HRESULT hres;
 497
 498     if(!(prop->flags & PROPF_WRITABLE) && prop->type != PROP_PROTREF)
 499         return S_OK;
 500
 501     switch(prop->type) {
 502     case PROP_BUILTIN:
 503         if(prop->u.p->setter)
 504             return prop->u.p->setter(This->ctx, This, val);
 505
 506         if(prop->u.p->setter) {
 507             FIXME("getter with no setter\n");
 508             return E_FAIL;
 509         }
 510         /* fall through */
 511     case PROP_PROTREF:
 512         prop->type = PROP_JSVAL;
 513         prop->flags = PROPF_ENUMERABLE | PROPF_CONFIGURABLE | PROPF_WRITABLE;
 514         prop->u.val = jsval_undefined();
 515         break;
 516     case PROP_JSVAL:
 517         jsval_release(prop->u.val);
 518         break;
 519     case PROP_IDX:
 520         return This->builtin_info->idx_put(This, prop->u.idx, val);
 521     default:
 522         ERR("type %d\n", prop->type);
 523         return E_FAIL;
 524     }
 525
 526     TRACE("%s = %s\n", debugstr_w(prop->name), debugstr_jsval(val));
 527
 528     hres = jsval_copy(val, &prop->u.val);
 529     if(FAILED(hres))
 530         return hres;
 531
 532     if(This->builtin_info->on_put)
 533         This->builtin_info->on_put(This, prop->name);
 534
 535     return S_OK;
 536 }
 537
 538 HRESULT builtin_set_const(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t value)
 539 {
 540     TRACE("%p %s\n", jsthis, debugstr_jsval(value));
 541     return S_OK;
 542 }
 543
 544 static HRESULT fill_protrefs(jsdisp_t *This)
 545 {
 546     dispex_prop_t *iter, *prop;
 547     HRESULT hres;
 548
 549     if(!This->prototype)
 550         return S_OK;
 551
 552     fill_protrefs(This->prototype);
 553
 554     for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
 555         if(!iter->name)
 556             continue;
 557         hres = find_prop_name(This, iter->hash, iter->name, &prop);
 558         if(FAILED(hres))
 559             return hres;
 560         if(!prop || prop->type==PROP_DELETED) {
 561             if(prop) {
 562                 prop->type = PROP_PROTREF;
 563                 prop->flags = 0;
 564                 prop->u.ref = iter - This->prototype->props;
 565             }else {
 566                 prop = alloc_protref(This, iter->name, iter - This->prototype->props);
 567                 if(!prop)
 568                     return E_OUTOFMEMORY;
 569             }
 570         }
 571     }
 572
 573     return S_OK;
 574 }
 575
 576 static inline jsdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
 577 {
 578     return CONTAINING_RECORD(iface, jsdisp_t, IDispatchEx_iface);
 579 }
 580
 581 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
 582 {
 583     jsdisp_t *This = impl_from_IDispatchEx(iface);
 584
 585     if(IsEqualGUID(&IID_IUnknown, riid)) {
 586         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
 587         *ppv = &This->IDispatchEx_iface;
 588     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
 589         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
 590         *ppv = &This->IDispatchEx_iface;
 591     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
 592         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
 593         *ppv = &This->IDispatchEx_iface;
 594     }else {
 595         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 596         *ppv = NULL;
 597         return E_NOINTERFACE;
 598     }
 599
 600     jsdisp_addref(This);
 601     return S_OK;
 602 }
 603
 604 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
 605 {
 606     jsdisp_t *This = impl_from_IDispatchEx(iface);
 607     jsdisp_addref(This);
 608     return This->ref;
 609 }
 610
 611 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
 612 {
 613     jsdisp_t *This = impl_from_IDispatchEx(iface);
 614     ULONG ref = --This->ref;
 615     TRACE("(%p) ref=%d\n", This, ref);
 616     if(!ref)
 617         jsdisp_free(This);
 618     return ref;
 619 }
 620
 621 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
 622 {
 623     jsdisp_t *This = impl_from_IDispatchEx(iface);
 624
 625     TRACE("(%p)->(%p)\n", This, pctinfo);
 626
 627     *pctinfo = 1;
 628     return S_OK;
 629 }
 630
 631 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
 632                                               ITypeInfo **ppTInfo)
 633 {
 634     jsdisp_t *This = impl_from_IDispatchEx(iface);
 635     FIXME("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
 636     return E_NOTIMPL;
 637 }
 638
 639 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
 640                                                 LPOLESTR *rgszNames, UINT cNames, LCID lcid,
 641                                                 DISPID *rgDispId)
 642 {
 643     jsdisp_t *This = impl_from_IDispatchEx(iface);
 644     UINT i;
 645     HRESULT hres;
 646
 647     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
 648           lcid, rgDispId);
 649
 650     for(i=0; i < cNames; i++) {
 651         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
 652         if(FAILED(hres))
 653             return hres;
 654     }
 655
 656     return S_OK;
 657 }
 658
 659 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
 660                                         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
 661                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 662 {
 663     jsdisp_t *This = impl_from_IDispatchEx(iface);
 664
 665     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
 666           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
 667
 668     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
 669             pDispParams, pVarResult, pExcepInfo, NULL);
 670 }
 671
 672 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
 673 {
 674     jsdisp_t *This = impl_from_IDispatchEx(iface);
 675
 676     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
 677
 678     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
 679         FIXME("Unsupported grfdex %x\n", grfdex);
 680         return E_NOTIMPL;
 681     }
 682
 683     return jsdisp_get_id(This, bstrName, grfdex, pid);
 684 }
 685
 686 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
 687         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
 688 {
 689     jsdisp_t *This = impl_from_IDispatchEx(iface);
 690     dispex_prop_t *prop;
 691     HRESULT hres;
 692
 693     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
 694
 695     if(pvarRes)
 696         V_VT(pvarRes) = VT_EMPTY;
 697
 698     prop = get_prop(This, id);
 699     if(!prop || prop->type == PROP_DELETED) {
 700         TRACE("invalid id\n");
 701         return DISP_E_MEMBERNOTFOUND;
 702     }
 703
 704     clear_ei(This->ctx);
 705
 706     switch(wFlags) {
 707     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
 708         wFlags = DISPATCH_METHOD;
 709         /* fall through */
 710     case DISPATCH_METHOD:
 711     case DISPATCH_CONSTRUCT: {
 712         jsval_t *argv, buf[6], r;
 713         unsigned argc;
 714
 715         hres = convert_params(pdp, buf, &argc, &argv);
 716         if(FAILED(hres))
 717             return hres;
 718
 719         hres = invoke_prop_func(This, get_this(pdp), prop, wFlags, argc, argv, pvarRes ? &r : NULL, pspCaller);
 720         if(argv != buf)
 721             heap_free(argv);
 722         if(SUCCEEDED(hres) && pvarRes) {
 723             hres = jsval_to_variant(r, pvarRes);
 724             jsval_release(r);
 725         }
 726         break;
 727     }
 728     case DISPATCH_PROPERTYGET: {
 729         jsval_t r;
 730
 731         hres = prop_get(This, prop, &r);
 732         if(SUCCEEDED(hres)) {
 733             hres = jsval_to_variant(r, pvarRes);
 734             jsval_release(r);
 735         }
 736         break;
 737     }
 738     case DISPATCH_PROPERTYPUT: {
 739         jsval_t val;
 740         DWORD i;
 741
 742         for(i=0; i < pdp->cNamedArgs; i++) {
 743             if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
 744                 break;
 745         }
 746
 747         if(i == pdp->cNamedArgs) {
 748             TRACE("no value to set\n");
 749             return DISP_E_PARAMNOTOPTIONAL;
 750         }
 751
 752         hres = variant_to_jsval(pdp->rgvarg+i, &val);
 753         if(FAILED(hres))
 754             return hres;
 755
 756         hres = prop_put(This, prop, val);
 757         jsval_release(val);
 758         break;
 759     }
 760     default:
 761         FIXME("Unimplemented flags %x\n", wFlags);
 762         return E_INVALIDARG;
 763     }
 764
 765     if(pei)
 766         *pei = This->ctx->ei.ei;
 767     return hres;
 768 }
 769
 770 static HRESULT delete_prop(dispex_prop_t *prop, BOOL *ret)
 771 {
 772     if(!(prop->flags & PROPF_CONFIGURABLE)) {
 773         *ret = FALSE;
 774         return S_OK;
 775     }
 776
 777     *ret = TRUE; /* FIXME: not exactly right */
 778
 779     if(prop->type == PROP_JSVAL) {
 780         jsval_release(prop->u.val);
 781         prop->type = PROP_DELETED;
 782     }
 783     if(prop->type == PROP_ACCESSOR)
 784         FIXME("not supported on accessor property\n");
 785     return S_OK;
 786 }
 787
 788 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
 789 {
 790     jsdisp_t *This = impl_from_IDispatchEx(iface);
 791     dispex_prop_t *prop;
 792     BOOL b;
 793     HRESULT hres;
 794
 795     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
 796
 797     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
 798         FIXME("Unsupported grfdex %x\n", grfdex);
 799
 800     hres = find_prop_name(This, string_hash(bstrName), bstrName, &prop);
 801     if(FAILED(hres))
 802         return hres;
 803     if(!prop) {
 804         TRACE("not found\n");
 805         return S_OK;
 806     }
 807
 808     return delete_prop(prop, &b);
 809 }
 810
 811 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
 812 {
 813     jsdisp_t *This = impl_from_IDispatchEx(iface);
 814     dispex_prop_t *prop;
 815     BOOL b;
 816
 817     TRACE("(%p)->(%x)\n", This, id);
 818
 819     prop = get_prop(This, id);
 820     if(!prop) {
 821         WARN("invalid id\n");
 822         return DISP_E_MEMBERNOTFOUND;
 823     }
 824
 825     return delete_prop(prop, &b);
 826 }
 827
 828 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
 829 {
 830     jsdisp_t *This = impl_from_IDispatchEx(iface);
 831     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
 832     return E_NOTIMPL;
 833 }
 834
 835 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
 836 {
 837     jsdisp_t *This = impl_from_IDispatchEx(iface);
 838     dispex_prop_t *prop;
 839
 840     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
 841
 842     prop = get_prop(This, id);
 843     if(!prop || !prop->name || prop->type == PROP_DELETED)
 844         return DISP_E_MEMBERNOTFOUND;
 845
 846     *pbstrName = SysAllocString(prop->name);
 847     if(!*pbstrName)
 848         return E_OUTOFMEMORY;
 849
 850     return S_OK;
 851 }
 852
 853 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
 854 {
 855     jsdisp_t *This = impl_from_IDispatchEx(iface);
 856     dispex_prop_t *iter;
 857     HRESULT hres;
 858
 859     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
 860
 861     if(id == DISPID_STARTENUM) {
 862         hres = fill_protrefs(This);
 863         if(FAILED(hres))
 864             return hres;
 865     }
 866
 867     if(id+1>=0 && id+1<This->prop_cnt) {
 868         iter = &This->props[id+1];
 869     }else {
 870         *pid = DISPID_STARTENUM;
 871         return S_FALSE;
 872     }
 873
 874     while(iter < This->props + This->prop_cnt) {
 875         if(iter->name && (get_flags(This, iter) & PROPF_ENUMERABLE) && iter->type!=PROP_DELETED) {
 876             *pid = prop_to_id(This, iter);
 877             return S_OK;
 878         }
 879         iter++;
 880     }
 881
 882     *pid = DISPID_STARTENUM;
 883     return S_FALSE;
 884 }
 885
 886 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
 887 {
 888     jsdisp_t *This = impl_from_IDispatchEx(iface);
 889     FIXME("(%p)->(%p)\n", This, ppunk);
 890     return E_NOTIMPL;
 891 }
 892
 893 static IDispatchExVtbl DispatchExVtbl = {
 894     DispatchEx_QueryInterface,
 895     DispatchEx_AddRef,
 896     DispatchEx_Release,
 897     DispatchEx_GetTypeInfoCount,
 898     DispatchEx_GetTypeInfo,
 899     DispatchEx_GetIDsOfNames,
 900     DispatchEx_Invoke,
 901     DispatchEx_GetDispID,
 902     DispatchEx_InvokeEx,
 903     DispatchEx_DeleteMemberByName,
 904     DispatchEx_DeleteMemberByDispID,
 905     DispatchEx_GetMemberProperties,
 906     DispatchEx_GetMemberName,
 907     DispatchEx_GetNextDispID,
 908     DispatchEx_GetNameSpaceParent
 909 };
 910
 911 jsdisp_t *as_jsdisp(IDispatch *disp)
 912 {
 913     assert(disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl);
 914     return impl_from_IDispatchEx((IDispatchEx*)disp);
 915 }
 916
 917 jsdisp_t *to_jsdisp(IDispatch *disp)
 918 {
 919     return disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl ? impl_from_IDispatchEx((IDispatchEx*)disp) : NULL;
 920 }
 921
 922 HRESULT init_dispex(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype)
 923 {
 924     TRACE("%p (%p)\n", dispex, prototype);
 925
 926     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
 927     dispex->ref = 1;
 928     dispex->builtin_info = builtin_info;
 929
 930     dispex->props = heap_alloc_zero(sizeof(dispex_prop_t)*(dispex->buf_size=4));
 931     if(!dispex->props)
 932         return E_OUTOFMEMORY;
 933
 934     dispex->prototype = prototype;
 935     if(prototype)
 936         jsdisp_addref(prototype);
 937
 938     dispex->prop_cnt = 1;
 939     if(builtin_info->value_prop.invoke || builtin_info->value_prop.getter) {
 940         dispex->props[0].type = PROP_BUILTIN;
 941         dispex->props[0].u.p = &builtin_info->value_prop;
 942     }else {
 943         dispex->props[0].type = PROP_DELETED;
 944     }
 945
 946     script_addref(ctx);
 947     dispex->ctx = ctx;
 948
 949     return S_OK;
 950 }
 951
 952 static const builtin_info_t dispex_info = {
 953     JSCLASS_NONE,
 954     {NULL, NULL, 0},
 955     0, NULL,
 956     NULL,
 957     NULL
 958 };
 959
 960 HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype, jsdisp_t **dispex)
 961 {
 962     jsdisp_t *ret;
 963     HRESULT hres;
 964
 965     ret = heap_alloc_zero(sizeof(jsdisp_t));
 966     if(!ret)
 967         return E_OUTOFMEMORY;
 968
 969     hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
 970     if(FAILED(hres)) {
 971         heap_free(ret);
 972         return hres;
 973     }
 974
 975     *dispex = ret;
 976     return S_OK;
 977 }
 978
 979 void jsdisp_free(jsdisp_t *obj)
 980 {
 981     dispex_prop_t *prop;
 982
 983     TRACE("(%p)\n", obj);
 984
 985     for(prop = obj->props; prop < obj->props+obj->prop_cnt; prop++) {
 986         switch(prop->type) {
 987         case PROP_JSVAL:
 988             jsval_release(prop->u.val);
 989             break;
 990         case PROP_ACCESSOR:
 991             if(prop->u.accessor.getter)
 992                 jsdisp_release(prop->u.accessor.getter);
 993             if(prop->u.accessor.setter)
 994                 jsdisp_release(prop->u.accessor.setter);
 995             break;
 996         default:
 997             break;
 998         };
 999         heap_free(prop->name);
1000     }
1001     heap_free(obj->props);
1002     script_release(obj->ctx);
1003     if(obj->prototype)
1004         jsdisp_release(obj->prototype);
1005
1006     if(obj->builtin_info->destructor)
1007         obj->builtin_info->destructor(obj);
1008     else
1009         heap_free(obj);
1010 }
1011
1012 #ifdef TRACE_REFCNT
1013
1014 jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
1015 {
1016     ULONG ref = ++jsdisp->ref;
1017     TRACE("(%p) ref=%d\n", jsdisp, ref);
1018     return jsdisp;
1019 }
1020
1021 void jsdisp_release(jsdisp_t *jsdisp)
1022 {
1023     ULONG ref = --jsdisp->ref;
1024
1025     TRACE("(%p) ref=%d\n", jsdisp, ref);
1026
1027     if(!ref)
1028         jsdisp_free(jsdisp);
1029 }
1030
1031 #endif
1032
1033 HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *constr)
1034 {
1035     jsdisp_t *prot = NULL;
1036     dispex_prop_t *prop;
1037     HRESULT hres;
1038
1039     static const WCHAR prototypeW[] = {'p','r','o','t','o','t','y','p','e',0};
1040
1041     hres = find_prop_name_prot(constr, string_hash(prototypeW), prototypeW, &prop);
1042     if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) {
1043         jsval_t val;
1044
1045         hres = prop_get(constr, prop, &val);
1046         if(FAILED(hres)) {
1047             ERR("Could not get prototype\n");
1048             return hres;
1049         }
1050
1051         if(is_object_instance(val))
1052             prot = iface_to_jsdisp(get_object(val));
1053         jsval_release(val);
1054     }
1055
1056     hres = init_dispex(dispex, ctx, builtin_info, prot);
1057
1058     if(prot)
1059         jsdisp_release(prot);
1060     return hres;
1061 }
1062
1063 jsdisp_t *iface_to_jsdisp(IDispatch *iface)
1064 {
1065     return iface->lpVtbl == (const IDispatchVtbl*)&DispatchExVtbl
1066         ? jsdisp_addref( impl_from_IDispatchEx((IDispatchEx*)iface))
1067         : NULL;
1068 }
1069
1070 HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
1071 {
1072     dispex_prop_t *prop;
1073     HRESULT hres;
1074
1075     if(flags & fdexNameEnsure)
1076         hres = ensure_prop_name(jsdisp, name, TRUE, PROPF_ENUMERABLE | PROPF_CONFIGURABLE | PROPF_WRITABLE,
1077                                 &prop);
1078     else
1079         hres = find_prop_name_prot(jsdisp, string_hash(name), name, &prop);
1080     if(FAILED(hres))
1081         return hres;
1082
1083     if(prop && prop->type!=PROP_DELETED) {
1084         *id = prop_to_id(jsdisp, prop);
1085         return S_OK;
1086     }
1087
1088     TRACE("not found %s\n", debugstr_w(name));
1089     return DISP_E_UNKNOWNNAME;
1090 }
1091
1092 HRESULT jsdisp_call_value(jsdisp_t *jsfunc, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1093 {
1094     HRESULT hres;
1095
1096     assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
1097
1098     if(is_class(jsfunc, JSCLASS_FUNCTION)) {
1099         hres = Function_invoke(jsfunc, jsthis, flags, argc, argv, r);
1100     }else {
1101         vdisp_t vdisp;
1102
1103         if(!jsfunc->builtin_info->value_prop.invoke) {
1104             WARN("Not a function\n");
1105             return throw_type_error(jsfunc->ctx, JS_E_FUNCTION_EXPECTED, NULL);
1106         }
1107
1108         set_disp(&vdisp, jsthis);
1109         flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1110         hres = jsfunc->builtin_info->value_prop.invoke(jsfunc->ctx, &vdisp, flags, argc, argv, r);
1111         vdisp_release(&vdisp);
1112     }
1113     return hres;
1114 }
1115
1116 HRESULT jsdisp_call(jsdisp_t *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1117 {
1118     dispex_prop_t *prop;
1119
1120     prop = get_prop(disp, id);
1121     if(!prop)
1122         return DISP_E_MEMBERNOTFOUND;
1123
1124     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1125 }
1126
1127 HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1128 {
1129     dispex_prop_t *prop;
1130     HRESULT hres;
1131
1132     hres = find_prop_name_prot(disp, string_hash(name), name, &prop);
1133     if(FAILED(hres))
1134         return hres;
1135
1136     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1137 }
1138
1139 HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *ret)
1140 {
1141     IDispatchEx *dispex;
1142     jsdisp_t *jsdisp;
1143     VARIANT buf[6], retv;
1144     DISPPARAMS dp;
1145     unsigned i;
1146     HRESULT hres;
1147
1148     jsdisp = iface_to_jsdisp(disp);
1149     if(jsdisp) {
1150         if(flags & DISPATCH_PROPERTYPUT) {
1151             FIXME("disp_call(propput) on builtin object\n");
1152             return E_FAIL;
1153         }
1154
1155         if(ctx != jsdisp->ctx)
1156             flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1157         hres = jsdisp_call(jsdisp, id, flags, argc, argv, ret);
1158         jsdisp_release(jsdisp);
1159         return hres;
1160     }
1161
1162     flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1163     if(ret && argc)
1164         flags |= DISPATCH_PROPERTYGET;
1165
1166     dp.cArgs = argc;
1167
1168     if(flags & DISPATCH_PROPERTYPUT) {
1169         static DISPID propput_dispid = DISPID_PROPERTYPUT;
1170
1171         dp.cNamedArgs = 1;
1172         dp.rgdispidNamedArgs = &propput_dispid;
1173     }else {
1174         dp.cNamedArgs = 0;
1175         dp.rgdispidNamedArgs = NULL;
1176     }
1177
1178     if(argc > 6) {
1179         dp.rgvarg = heap_alloc(argc*sizeof(VARIANT));
1180         if(!dp.rgvarg)
1181             return E_OUTOFMEMORY;
1182     }else {
1183         dp.rgvarg = buf;
1184     }
1185
1186     for(i=0; i<argc; i++) {
1187         hres = jsval_to_variant(argv[i], dp.rgvarg+argc-i-1);
1188         if(FAILED(hres)) {
1189             while(i--)
1190                 VariantClear(dp.rgvarg+argc-i-1);
1191             if(dp.rgvarg != buf)
1192                 heap_free(dp.rgvarg);
1193             return hres;
1194         }
1195     }
1196
1197     V_VT(&retv) = VT_EMPTY;
1198     clear_ei(ctx);
1199     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1200     if(SUCCEEDED(hres)) {
1201         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei,
1202                 &ctx->jscaller->IServiceProvider_iface);
1203         IDispatchEx_Release(dispex);
1204     }else {
1205         UINT err = 0;
1206
1207         if(flags == DISPATCH_CONSTRUCT) {
1208             WARN("IDispatch cannot be constructor\n");
1209             return DISP_E_MEMBERNOTFOUND;
1210         }
1211
1212         TRACE("using IDispatch\n");
1213         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, &dp, ret ? &retv : NULL, &ctx->ei.ei, &err);
1214     }
1215
1216     for(i=0; i<argc; i++)
1217         VariantClear(dp.rgvarg+argc-i-1);
1218     if(dp.rgvarg != buf)
1219         heap_free(dp.rgvarg);
1220     if(FAILED(hres))
1221         return hres;
1222
1223     if(ret) {
1224         hres = variant_to_jsval(&retv, ret);
1225         VariantClear(&retv);
1226     }
1227
1228     return hres;
1229 }
1230
1231 HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv,
1232         jsval_t *r)
1233 {
1234     jsdisp_t *jsdisp;
1235     IDispatchEx *dispex;
1236     VARIANT buf[6], retv;
1237     DISPPARAMS dp;
1238     unsigned i;
1239     HRESULT hres;
1240
1241     assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
1242
1243     jsdisp = iface_to_jsdisp(disp);
1244     if(jsdisp) {
1245         if(ctx != jsdisp->ctx)
1246             flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1247         hres = jsdisp_call_value(jsdisp, jsthis, flags, argc, argv, r);
1248         jsdisp_release(jsdisp);
1249         return hres;
1250     }
1251
1252     flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1253     if(r && argc && flags == DISPATCH_METHOD)
1254         flags |= DISPATCH_PROPERTYGET;
1255
1256     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1257     if(FAILED(hres)) {
1258         TRACE("using IDispatch\n");
1259         dispex = NULL;
1260         jsthis = NULL;
1261     }
1262
1263     if(jsthis) {
1264         static DISPID this_id = DISPID_THIS;
1265
1266         dp.cArgs = argc+1;
1267         dp.cNamedArgs = 1;
1268         dp.rgdispidNamedArgs = &this_id;
1269     }else {
1270         dp.cArgs = argc;
1271         dp.cNamedArgs = 0;
1272         dp.rgdispidNamedArgs = NULL;
1273     }
1274
1275     if(dp.cArgs > sizeof(buf)/sizeof(*buf)) {
1276         dp.rgvarg = heap_alloc(dp.cArgs*sizeof(VARIANT));
1277         if(!dp.rgvarg) {
1278             if(dispex)
1279                 IDispatchEx_Release(dispex);
1280             return E_OUTOFMEMORY;
1281         }
1282     }else {
1283         dp.rgvarg = buf;
1284     }
1285
1286     for(i=0; i<argc; i++) {
1287         hres = jsval_to_variant(argv[i], dp.rgvarg+dp.cArgs-i-1);
1288         if(FAILED(hres)) {
1289             while(i--)
1290                 VariantClear(dp.rgvarg+dp.cArgs-i-1);
1291             if(dp.rgvarg != buf)
1292                 heap_free(dp.rgvarg);
1293             if(dispex)
1294                 IDispatchEx_Release(dispex);
1295             return hres;
1296         }
1297     }
1298     if(jsthis) {
1299         V_VT(dp.rgvarg) = VT_DISPATCH;
1300         V_DISPATCH(dp.rgvarg) = jsthis;
1301     }
1302
1303     V_VT(&retv) = VT_EMPTY;
1304     clear_ei(ctx);
1305     if(dispex) {
1306         hres = IDispatchEx_InvokeEx(dispex, DISPID_VALUE, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei,
1307                 &ctx->jscaller->IServiceProvider_iface);
1308         IDispatchEx_Release(dispex);
1309     }else {
1310         UINT err = 0;
1311
1312         if(flags == DISPATCH_CONSTRUCT) {
1313             WARN("IDispatch cannot be constructor\n");
1314             return DISP_E_MEMBERNOTFOUND;
1315         }
1316
1317         hres = IDispatch_Invoke(disp, DISPID_VALUE, &IID_NULL, ctx->lcid, flags, &dp, r ? &retv : NULL, &ctx->ei.ei, &err);
1318     }
1319
1320     for(i=0; i<argc; i++)
1321         VariantClear(dp.rgvarg+dp.cArgs-i-1);
1322     if(dp.rgvarg != buf)
1323         heap_free(dp.rgvarg);
1324     if(FAILED(hres))
1325         return hres;
1326
1327     if(!r)
1328         return S_OK;
1329
1330     hres = variant_to_jsval(&retv, r);
1331     VariantClear(&retv);
1332     return hres;
1333 }
1334
1335 HRESULT jsdisp_propput(jsdisp_t *obj, const WCHAR *name, DWORD flags, jsval_t val)
1336 {
1337     dispex_prop_t *prop;
1338     HRESULT hres;
1339
1340     hres = ensure_prop_name(obj, name, FALSE, flags, &prop);
1341     if(FAILED(hres))
1342         return hres;
1343
1344     return prop_put(obj, prop, val);
1345 }
1346
1347 HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, jsval_t val)
1348 {
1349     return jsdisp_propput(obj, name, PROPF_ENUMERABLE | PROPF_CONFIGURABLE | PROPF_WRITABLE, val);
1350 }
1351
1352 HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, jsval_t val)
1353 {
1354     WCHAR buf[12];
1355
1356     static const WCHAR formatW[] = {'%','d',0};
1357
1358     sprintfW(buf, formatW, idx);
1359     return jsdisp_propput_name(obj, buf, val);
1360 }
1361
1362 HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t val)
1363 {
1364     jsdisp_t *jsdisp;
1365     HRESULT hres;
1366
1367     jsdisp = iface_to_jsdisp(disp);
1368     if(jsdisp) {
1369         dispex_prop_t *prop;
1370
1371         prop = get_prop(jsdisp, id);
1372         if(prop)
1373             hres = prop_put(jsdisp, prop, val);
1374         else
1375             hres = DISP_E_MEMBERNOTFOUND;
1376
1377         jsdisp_release(jsdisp);
1378     }else {
1379         DISPID dispid = DISPID_PROPERTYPUT;
1380         DWORD flags = DISPATCH_PROPERTYPUT;
1381         VARIANT var;
1382         DISPPARAMS dp  = {&var, &dispid, 1, 1};
1383         IDispatchEx *dispex;
1384
1385         hres = jsval_to_variant(val, &var);
1386         if(FAILED(hres))
1387             return hres;
1388
1389         if(V_VT(&var) == VT_DISPATCH)
1390             flags |= DISPATCH_PROPERTYPUTREF;
1391
1392         clear_ei(ctx);
1393         hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1394         if(SUCCEEDED(hres)) {
1395             hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, &dp, NULL, &ctx->ei.ei,
1396                     &ctx->jscaller->IServiceProvider_iface);
1397             IDispatchEx_Release(dispex);
1398         }else {
1399             ULONG err = 0;
1400
1401             TRACE("using IDispatch\n");
1402             hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, &dp, NULL, &ctx->ei.ei, &err);
1403         }
1404
1405         VariantClear(&var);
1406     }
1407
1408     return hres;
1409 }
1410
1411 HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, jsval_t *val)
1412 {
1413     dispex_prop_t *prop;
1414     HRESULT hres;
1415
1416     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1417     if(FAILED(hres))
1418         return hres;
1419
1420     if(!prop || prop->type==PROP_DELETED) {
1421         *val = jsval_undefined();
1422         return S_OK;
1423     }
1424
1425     return prop_get(obj, prop, val);
1426 }
1427
1428 HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, jsval_t *r)
1429 {
1430     WCHAR name[12];
1431     dispex_prop_t *prop;
1432     HRESULT hres;
1433
1434     static const WCHAR formatW[] = {'%','d',0};
1435
1436     sprintfW(name, formatW, idx);
1437
1438     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
1439     if(FAILED(hres))
1440         return hres;
1441
1442     if(!prop || prop->type==PROP_DELETED) {
1443         *r = jsval_undefined();
1444         return DISP_E_UNKNOWNNAME;
1445     }
1446
1447     return prop_get(obj, prop, r);
1448 }
1449
1450 HRESULT jsdisp_propget(jsdisp_t *jsdisp, DISPID id, jsval_t *val)
1451 {
1452     dispex_prop_t *prop;
1453
1454     prop = get_prop(jsdisp, id);
1455     if(!prop)
1456         return DISP_E_MEMBERNOTFOUND;
1457
1458     return prop_get(jsdisp, prop, val);
1459 }
1460
1461 HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t *val)
1462 {
1463     DISPPARAMS dp  = {NULL,NULL,0,0};
1464     IDispatchEx *dispex;
1465     jsdisp_t *jsdisp;
1466     VARIANT var;
1467     HRESULT hres;
1468
1469     jsdisp = iface_to_jsdisp(disp);
1470     if(jsdisp) {
1471         hres = jsdisp_propget(jsdisp, id, val);
1472         jsdisp_release(jsdisp);
1473         return hres;
1474     }
1475
1476     V_VT(&var) = VT_EMPTY;
1477     clear_ei(ctx);
1478     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1479     if(SUCCEEDED(hres)) {
1480         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei,
1481                 &ctx->jscaller->IServiceProvider_iface);
1482         IDispatchEx_Release(dispex);
1483     }else {
1484         ULONG err = 0;
1485
1486         TRACE("using IDispatch\n");
1487         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, INVOKE_PROPERTYGET, &dp, &var, &ctx->ei.ei, &err);
1488     }
1489     if(FAILED(hres))
1490         return hres;
1491
1492     hres = variant_to_jsval(&var, val);
1493     VariantClear(&var);
1494     return hres;
1495 }
1496
1497 HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
1498 {
1499     static const WCHAR formatW[] = {'%','d',0};
1500     WCHAR buf[12];
1501     dispex_prop_t *prop;
1502     BOOL b;
1503     HRESULT hres;
1504
1505     sprintfW(buf, formatW, idx);
1506
1507     hres = find_prop_name(obj, string_hash(buf), buf, &prop);
1508     if(FAILED(hres) || !prop)
1509         return hres;
1510
1511     return delete_prop(prop, &b);
1512 }
1513
1514 HRESULT disp_delete(IDispatch *disp, DISPID id, BOOL *ret)
1515 {
1516     IDispatchEx *dispex;
1517     jsdisp_t *jsdisp;
1518     HRESULT hres;
1519
1520     jsdisp = iface_to_jsdisp(disp);
1521     if(jsdisp) {
1522         dispex_prop_t *prop;
1523
1524         prop = get_prop(jsdisp, id);
1525         if(prop)
1526             hres = delete_prop(prop, ret);
1527         else
1528             hres = DISP_E_MEMBERNOTFOUND;
1529
1530         jsdisp_release(jsdisp);
1531         return hres;
1532     }
1533
1534     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1535     if(FAILED(hres)) {
1536         *ret = FALSE;
1537         return S_OK;
1538     }
1539
1540     hres = IDispatchEx_DeleteMemberByDispID(dispex, id);
1541     IDispatchEx_Release(dispex);
1542     if(FAILED(hres))
1543         return hres;
1544
1545     *ret = hres == S_OK;
1546     return S_OK;
1547 }
1548
1549 HRESULT disp_delete_name(script_ctx_t *ctx, IDispatch *disp, jsstr_t *name, BOOL *ret)
1550 {
1551     IDispatchEx *dispex;
1552     jsdisp_t *jsdisp;
1553     BSTR bstr;
1554     HRESULT hres;
1555
1556     jsdisp = iface_to_jsdisp(disp);
1557     if(jsdisp) {
1558         dispex_prop_t *prop;
1559         const WCHAR *ptr;
1560
1561         ptr = jsstr_flatten(name);
1562         if(!ptr) {
1563             jsdisp_release(jsdisp);
1564             return E_OUTOFMEMORY;
1565         }
1566
1567         hres = find_prop_name(jsdisp, string_hash(ptr), ptr, &prop);
1568         if(prop) {
1569             hres = delete_prop(prop, ret);
1570         }else {
1571             *ret = TRUE;
1572             hres = S_OK;
1573         }
1574
1575         jsdisp_release(jsdisp);
1576         return hres;
1577     }
1578
1579     bstr = SysAllocStringLen(NULL, jsstr_length(name));
1580     if(!bstr)
1581         return E_OUTOFMEMORY;
1582     jsstr_flush(name, bstr);
1583
1584     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1585     if(SUCCEEDED(hres)) {
1586         hres = IDispatchEx_DeleteMemberByName(dispex, bstr, make_grfdex(ctx, fdexNameCaseSensitive));
1587         if(SUCCEEDED(hres))
1588             *ret = hres == S_OK;
1589         IDispatchEx_Release(dispex);
1590     }else {
1591         DISPID id;
1592
1593         hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &bstr, 1, 0, &id);
1594         if(SUCCEEDED(hres)) {
1595             /* Property exists and we can't delete it from pure IDispatch interface, so return false. */
1596             *ret = FALSE;
1597         }else if(hres == DISP_E_UNKNOWNNAME) {
1598             /* Property doesn't exist, so nothing to delete */
1599             *ret = TRUE;
1600             hres = S_OK;
1601         }
1602     }
1603
1604     SysFreeString(bstr);
1605     return hres;
1606 }
1607
1608 HRESULT jsdisp_get_own_property(jsdisp_t *obj, const WCHAR *name, BOOL flags_only,
1609                                 property_desc_t *desc)
1610 {
1611     dispex_prop_t *prop;
1612     HRESULT hres;
1613
1614     hres = find_prop_name(obj, string_hash(name), name, &prop);
1615     if(FAILED(hres))
1616         return hres;
1617
1618     if(!prop)
1619         return DISP_E_UNKNOWNNAME;
1620
1621     memset(desc, 0, sizeof(*desc));
1622
1623     switch(prop->type) {
1624     case PROP_BUILTIN:
1625     case PROP_JSVAL:
1626         desc->mask |= PROPF_WRITABLE;
1627         desc->explicit_value = TRUE;
1628         if(!flags_only) {
1629             hres = prop_get(obj, prop, &desc->value);
1630             if(FAILED(hres))
1631                 return hres;
1632         }
1633         break;
1634     case PROP_ACCESSOR:
1635         desc->explicit_getter = desc->explicit_setter = TRUE;
1636         if(!flags_only) {
1637             desc->getter = prop->u.accessor.getter
1638                 ? jsdisp_addref(prop->u.accessor.getter) : NULL;
1639             desc->setter = prop->u.accessor.setter
1640                 ? jsdisp_addref(prop->u.accessor.setter) : NULL;
1641         }
1642         break;
1643     default:
1644         return DISP_E_UNKNOWNNAME;
1645     }
1646
1647     desc->flags = prop->flags & (PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE);
1648     desc->mask |= PROPF_ENUMERABLE | PROPF_CONFIGURABLE;
1649     return S_OK;
1650 }
1651
1652 HRESULT jsdisp_define_property(jsdisp_t *obj, const WCHAR *name, property_desc_t *desc)
1653 {
1654     dispex_prop_t *prop;
1655     HRESULT hres;
1656
1657     hres = find_prop_name(obj, string_hash(name), name, &prop);
1658     if(FAILED(hres))
1659         return hres;
1660
1661     if(!prop && !(prop = alloc_prop(obj, name, PROP_DELETED, 0)))
1662        return E_OUTOFMEMORY;
1663
1664     if(prop->type == PROP_DELETED || prop->type == PROP_PROTREF) {
1665         prop->flags = desc->flags;
1666         if(desc->explicit_getter || desc->explicit_setter) {
1667             prop->type = PROP_ACCESSOR;
1668             prop->u.accessor.getter = desc->getter ? jsdisp_addref(desc->getter) : NULL;
1669             prop->u.accessor.setter = desc->setter ? jsdisp_addref(desc->setter) : NULL;
1670             TRACE("%s = accessor { get: %p set: %p }\n", debugstr_w(name),
1671                   prop->u.accessor.getter, prop->u.accessor.setter);
1672         }else {
1673             prop->type = PROP_JSVAL;
1674             if(desc->explicit_value) {
1675                 hres = jsval_copy(desc->value, &prop->u.val);
1676                 if(FAILED(hres))
1677                     return hres;
1678             }else {
1679                 prop->u.val = jsval_undefined();
1680             }
1681             TRACE("%s = %s\n", debugstr_w(name), debugstr_jsval(prop->u.val));
1682         }
1683         return S_OK;
1684     }
1685
1686     TRACE("existing prop %s prop flags %x desc flags %x desc mask %x\n", debugstr_w(name),
1687           prop->flags, desc->flags, desc->mask);
1688
1689     if(!(prop->flags & PROPF_CONFIGURABLE)) {
1690         if(((desc->mask & PROPF_CONFIGURABLE) && (desc->flags & PROPF_CONFIGURABLE))
1691            || ((desc->mask & PROPF_ENUMERABLE)
1692                && ((desc->flags & PROPF_ENUMERABLE) != (prop->flags & PROPF_ENUMERABLE))))
1693             return throw_type_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
1694     }
1695
1696     if(desc->explicit_value || (desc->mask & PROPF_WRITABLE)) {
1697         if(prop->type == PROP_ACCESSOR) {
1698             if(!(prop->flags & PROPF_CONFIGURABLE))
1699                 return throw_type_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
1700             if(prop->u.accessor.getter)
1701                 jsdisp_release(prop->u.accessor.getter);
1702             if(prop->u.accessor.setter)
1703                 jsdisp_release(prop->u.accessor.setter);
1704
1705             prop->type = PROP_JSVAL;
1706             hres = jsval_copy(desc->value, &prop->u.val);
1707             if(FAILED(hres)) {
1708                 prop->u.val = jsval_undefined();
1709                 return hres;
1710             }
1711         }else {
1712             if(!(prop->flags & PROPF_CONFIGURABLE) && !(prop->flags & PROPF_WRITABLE)) {
1713                 if((desc->mask & PROPF_WRITABLE) && (desc->flags & PROPF_WRITABLE))
1714                     return throw_type_error(obj->ctx, JS_E_NONWRITABLE_MODIFIED, name);
1715                 if(desc->explicit_value) {
1716                     if(prop->type == PROP_JSVAL) {
1717                         BOOL eq;
1718                         hres = jsval_strict_equal(desc->value, prop->u.val, &eq);
1719                         if(FAILED(hres))
1720                             return hres;
1721                         if(!eq)
1722                             return throw_type_error(obj->ctx, JS_E_NONWRITABLE_MODIFIED, name);
1723                     }else {
1724                         FIXME("redefinition of property type %d\n", prop->type);
1725                     }
1726                 }
1727             }
1728             if(desc->explicit_value) {
1729                 if(prop->type == PROP_JSVAL)
1730                     jsval_release(prop->u.val);
1731                 else
1732                     prop->type = PROP_JSVAL;
1733                 hres = jsval_copy(desc->value, &prop->u.val);
1734                 if(FAILED(hres)) {
1735                     prop->u.val = jsval_undefined();
1736                     return hres;
1737                 }
1738             }
1739         }
1740     }else if(desc->explicit_getter || desc->explicit_setter) {
1741         if(prop->type != PROP_ACCESSOR) {
1742             if(!(prop->flags & PROPF_CONFIGURABLE))
1743                 return throw_type_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
1744             if(prop->type == PROP_JSVAL)
1745                 jsval_release(prop->u.val);
1746             prop->type = PROP_ACCESSOR;
1747             prop->u.accessor.getter = prop->u.accessor.setter = NULL;
1748         }else if(!(prop->flags & PROPF_CONFIGURABLE)) {
1749             if((desc->explicit_getter && desc->getter != prop->u.accessor.getter)
1750                || (desc->explicit_setter && desc->setter != prop->u.accessor.setter))
1751                 return throw_type_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
1752         }
1753
1754         if(desc->explicit_getter) {
1755             if(prop->u.accessor.getter) {
1756                 jsdisp_release(prop->u.accessor.getter);
1757                 prop->u.accessor.getter = NULL;
1758             }
1759             if(desc->getter)
1760                 prop->u.accessor.getter = jsdisp_addref(desc->getter);
1761         }
1762         if(desc->explicit_setter) {
1763             if(prop->u.accessor.setter) {
1764                 jsdisp_release(prop->u.accessor.setter);
1765                 prop->u.accessor.setter = NULL;
1766             }
1767             if(desc->setter)
1768                 prop->u.accessor.setter = jsdisp_addref(desc->setter);
1769         }
1770     }
1771
1772     prop->flags = (prop->flags & ~desc->mask) | (desc->flags & desc->mask);
1773     return S_OK;
1774 }
1775
1776 HRESULT jsdisp_define_data_property(jsdisp_t *obj, const WCHAR *name, unsigned flags, jsval_t value)
1777 {
1778     property_desc_t prop_desc = { flags, flags, TRUE, value };
1779     return jsdisp_define_property(obj, name, &prop_desc);
1780 }