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 #include "engine.h"
  23
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  27
  28 static const GUID GUID_JScriptTypeInfo = {0xc59c6b12,0xf6c1,0x11cf,{0x88,0x35,0x00,0xa0,0xc9,0x11,0xe8,0xb2}};
  29
  30 #define FDEX_VERSION_MASK 0xf0000000
  31 #define GOLDEN_RATIO 0x9E3779B9U
  32
  33 typedef enum {
  34     PROP_JSVAL,
  35     PROP_BUILTIN,
  36     PROP_PROTREF,
  37     PROP_ACCESSOR,
  38     PROP_DELETED,
  39     PROP_IDX
  40 } prop_type_t;
  41
  42 struct _dispex_prop_t {
  43     WCHAR *name;
  44     unsigned hash;
  45     prop_type_t type;
  46     DWORD flags;
  47
  48     union {
  49         jsval_t val;
  50         const builtin_prop_t *p;
  51         DWORD ref;
  52         unsigned idx;
  53         struct {
  54             jsdisp_t *getter;
  55             jsdisp_t *setter;
  56         } accessor;
  57     } u;
  58
  59     int bucket_head;
  60     int bucket_next;
  61 };
  62
  63 static inline DISPID prop_to_id(jsdisp_t *This, dispex_prop_t *prop)
  64 {
  65     return prop - This->props;
  66 }
  67
  68 static inline dispex_prop_t *get_prop(jsdisp_t *This, DISPID id)
  69 {
  70     if(id < 0 || id >= This->prop_cnt || This->props[id].type == PROP_DELETED)
  71         return NULL;
  72
  73     return This->props+id;
  74 }
  75
  76 static inline BOOL is_function_prop(dispex_prop_t *prop)
  77 {
  78     BOOL ret = FALSE;
  79
  80     if (is_object_instance(prop->u.val))
  81     {
  82         jsdisp_t *jsdisp = iface_to_jsdisp(get_object(prop->u.val));
  83
  84         if (jsdisp) ret = is_class(jsdisp, JSCLASS_FUNCTION);
  85         jsdisp_release(jsdisp);
  86     }
  87     return ret;
  88 }
  89
  90 static DWORD get_flags(jsdisp_t *This, dispex_prop_t *prop)
  91 {
  92     if(prop->type == PROP_PROTREF) {
  93         dispex_prop_t *parent = get_prop(This->prototype, prop->u.ref);
  94         if(!parent) {
  95             prop->type = PROP_DELETED;
  96             return 0;
  97         }
  98
  99         return get_flags(This->prototype, parent);
 100     }
 101
 102     return prop->flags;
 103 }
 104
 105 static const builtin_prop_t *find_builtin_prop(jsdisp_t *This, const WCHAR *name)
 106 {
 107     int min = 0, max, i, r;
 108
 109     max = This->builtin_info->props_cnt-1;
 110     while(min <= max) {
 111         i = (min+max)/2;
 112
 113         r = wcscmp(name, This->builtin_info->props[i].name);
 114         if(!r) {
 115             /* Skip prop if it's available only in higher compatibility mode. */
 116             unsigned version = (This->builtin_info->props[i].flags & PROPF_VERSION_MASK)
 117                 >> PROPF_VERSION_SHIFT;
 118             if(version && version > This->ctx->version)
 119                 return NULL;
 120
 121             /* Skip prop if it's available only in HTML mode and we're not running in HTML mode. */
 122             if((This->builtin_info->props[i].flags & PROPF_HTML) && !This->ctx->html_mode)
 123                 return NULL;
 124
 125             return This->builtin_info->props + i;
 126         }
 127
 128         if(r < 0)
 129             max = i-1;
 130         else
 131             min = i+1;
 132     }
 133
 134     return NULL;
 135 }
 136
 137 static inline unsigned string_hash(const WCHAR *name)
 138 {
 139     unsigned h = 0;
 140     for(; *name; name++)
 141         h = (h>>(sizeof(unsigned)*8-4)) ^ (h<<4) ^ towlower(*name);
 142     return h;
 143 }
 144
 145 static inline unsigned get_props_idx(jsdisp_t *This, unsigned hash)
 146 {
 147     return (hash*GOLDEN_RATIO) & (This->buf_size-1);
 148 }
 149
 150 static inline HRESULT resize_props(jsdisp_t *This)
 151 {
 152     dispex_prop_t *props;
 153     int i, bucket;
 154
 155     if(This->buf_size != This->prop_cnt)
 156         return S_FALSE;
 157
 158     props = heap_realloc(This->props, sizeof(dispex_prop_t)*This->buf_size*2);
 159     if(!props)
 160         return E_OUTOFMEMORY;
 161     This->buf_size *= 2;
 162     This->props = props;
 163
 164     for(i=0; i<This->buf_size; i++) {
 165         This->props[i].bucket_head = 0;
 166         This->props[i].bucket_next = 0;
 167     }
 168
 169     for(i=1; i<This->prop_cnt; i++) {
 170         props = This->props+i;
 171
 172         bucket = get_props_idx(This, props->hash);
 173         props->bucket_next = This->props[bucket].bucket_head;
 174         This->props[bucket].bucket_head = i;
 175     }
 176
 177     return S_OK;
 178 }
 179
 180 static inline dispex_prop_t* alloc_prop(jsdisp_t *This, const WCHAR *name, prop_type_t type, DWORD flags)
 181 {
 182     dispex_prop_t *prop;
 183     unsigned bucket;
 184
 185     if(FAILED(resize_props(This)))
 186         return NULL;
 187
 188     prop = &This->props[This->prop_cnt];
 189     prop->name = heap_strdupW(name);
 190     if(!prop->name)
 191         return NULL;
 192     prop->type = type;
 193     prop->flags = flags;
 194     prop->hash = string_hash(name);
 195
 196     bucket = get_props_idx(This, prop->hash);
 197     prop->bucket_next = This->props[bucket].bucket_head;
 198     This->props[bucket].bucket_head = This->prop_cnt++;
 199     return prop;
 200 }
 201
 202 static dispex_prop_t *alloc_protref(jsdisp_t *This, const WCHAR *name, DWORD ref)
 203 {
 204     dispex_prop_t *ret;
 205
 206     ret = alloc_prop(This, name, PROP_PROTREF, 0);
 207     if(!ret)
 208         return NULL;
 209
 210     ret->u.ref = ref;
 211     return ret;
 212 }
 213
 214 static HRESULT find_prop_name(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
 215 {
 216     const builtin_prop_t *builtin;
 217     unsigned bucket, pos, prev = 0;
 218     dispex_prop_t *prop;
 219
 220     bucket = get_props_idx(This, hash);
 221     pos = This->props[bucket].bucket_head;
 222     while(pos != 0) {
 223         if(!wcscmp(name, This->props[pos].name)) {
 224             if(prev != 0) {
 225                 This->props[prev].bucket_next = This->props[pos].bucket_next;
 226                 This->props[pos].bucket_next = This->props[bucket].bucket_head;
 227                 This->props[bucket].bucket_head = pos;
 228             }
 229
 230             *ret = &This->props[pos];
 231             return S_OK;
 232         }
 233
 234         prev = pos;
 235         pos = This->props[pos].bucket_next;
 236     }
 237
 238     builtin = find_builtin_prop(This, name);
 239     if(builtin) {
 240         unsigned flags = builtin->flags;
 241         if(flags & PROPF_METHOD)
 242             flags |= PROPF_WRITABLE | PROPF_CONFIGURABLE;
 243         else if(builtin->setter)
 244             flags |= PROPF_WRITABLE;
 245         flags &= PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE;
 246         prop = alloc_prop(This, name, PROP_BUILTIN, flags);
 247         if(!prop)
 248             return E_OUTOFMEMORY;
 249
 250         prop->u.p = builtin;
 251         *ret = prop;
 252         return S_OK;
 253     }
 254
 255     if(This->builtin_info->idx_length) {
 256         const WCHAR *ptr;
 257         unsigned idx = 0;
 258
 259         for(ptr = name; is_digit(*ptr) && idx < 0x10000; ptr++)
 260             idx = idx*10 + (*ptr-'0');
 261         if(!*ptr && idx < This->builtin_info->idx_length(This)) {
 262             prop = alloc_prop(This, name, PROP_IDX, This->builtin_info->idx_put ? PROPF_WRITABLE : 0);
 263             if(!prop)
 264                 return E_OUTOFMEMORY;
 265
 266             prop->u.idx = idx;
 267             *ret = prop;
 268             return S_OK;
 269         }
 270     }
 271
 272     *ret = NULL;
 273     return S_OK;
 274 }
 275
 276 static HRESULT find_prop_name_prot(jsdisp_t *This, unsigned hash, const WCHAR *name, dispex_prop_t **ret)
 277 {
 278     dispex_prop_t *prop, *del=NULL;
 279     HRESULT hres;
 280
 281     hres = find_prop_name(This, hash, name, &prop);
 282     if(FAILED(hres))
 283         return hres;
 284     if(prop && prop->type==PROP_DELETED) {
 285         del = prop;
 286     } else if(prop) {
 287         *ret = prop;
 288         return S_OK;
 289     }
 290
 291     if(This->prototype) {
 292         hres = find_prop_name_prot(This->prototype, hash, name, &prop);
 293         if(FAILED(hres))
 294             return hres;
 295         if(prop) {
 296             if(del) {
 297                 del->type = PROP_PROTREF;
 298                 del->u.ref = prop - This->prototype->props;
 299                 prop = del;
 300             }else {
 301                 prop = alloc_protref(This, prop->name, prop - This->prototype->props);
 302                 if(!prop)
 303                     return E_OUTOFMEMORY;
 304             }
 305
 306             *ret = prop;
 307             return S_OK;
 308         }
 309     }
 310
 311     *ret = del;
 312     return S_OK;
 313 }
 314
 315 static HRESULT ensure_prop_name(jsdisp_t *This, const WCHAR *name, DWORD create_flags, dispex_prop_t **ret)
 316 {
 317     dispex_prop_t *prop;
 318     HRESULT hres;
 319
 320     hres = find_prop_name_prot(This, string_hash(name), name, &prop);
 321     if(SUCCEEDED(hres) && (!prop || prop->type == PROP_DELETED)) {
 322         TRACE("creating prop %s flags %x\n", debugstr_w(name), create_flags);
 323
 324         if(prop) {
 325             prop->type = PROP_JSVAL;
 326             prop->flags = create_flags;
 327             prop->u.val = jsval_undefined();
 328         }else {
 329             prop = alloc_prop(This, name, PROP_JSVAL, create_flags);
 330             if(!prop)
 331                 return E_OUTOFMEMORY;
 332         }
 333
 334         prop->u.val = jsval_undefined();
 335     }
 336
 337     *ret = prop;
 338     return hres;
 339 }
 340
 341 static IDispatch *get_this(DISPPARAMS *dp)
 342 {
 343     DWORD i;
 344
 345     for(i=0; i < dp->cNamedArgs; i++) {
 346         if(dp->rgdispidNamedArgs[i] == DISPID_THIS) {
 347             if(V_VT(dp->rgvarg+i) == VT_DISPATCH)
 348                 return V_DISPATCH(dp->rgvarg+i);
 349
 350             WARN("This is not VT_DISPATCH\n");
 351             return NULL;
 352         }
 353     }
 354
 355     TRACE("no this passed\n");
 356     return NULL;
 357 }
 358
 359 static HRESULT convert_params(const DISPPARAMS *dp, jsval_t *buf, unsigned *argc, jsval_t **ret)
 360 {
 361     jsval_t *argv;
 362     unsigned cnt;
 363     unsigned i;
 364     HRESULT hres;
 365
 366     cnt = dp->cArgs - dp->cNamedArgs;
 367
 368     if(cnt > 6) {
 369         argv = heap_alloc(cnt * sizeof(*argv));
 370         if(!argv)
 371             return E_OUTOFMEMORY;
 372     }else {
 373         argv = buf;
 374     }
 375
 376     for(i = 0; i < cnt; i++) {
 377         hres = variant_to_jsval(dp->rgvarg+dp->cArgs-i-1, argv+i);
 378         if(FAILED(hres)) {
 379             while(i--)
 380                 jsval_release(argv[i]);
 381             if(argv != buf)
 382                 heap_free(argv);
 383             return hres;
 384         }
 385     }
 386
 387     *argc = cnt;
 388     *ret = argv;
 389     return S_OK;
 390 }
 391
 392 static HRESULT prop_get(jsdisp_t *This, dispex_prop_t *prop,  jsval_t *r)
 393 {
 394     jsdisp_t *prop_obj = This;
 395     HRESULT hres;
 396
 397     while(prop->type == PROP_PROTREF) {
 398         prop_obj = prop_obj->prototype;
 399         prop = prop_obj->props + prop->u.ref;
 400     }
 401
 402     switch(prop->type) {
 403     case PROP_BUILTIN:
 404         if(prop->u.p->getter) {
 405             hres = prop->u.p->getter(This->ctx, This, r);
 406         }else {
 407             jsdisp_t *obj;
 408
 409             assert(prop->u.p->invoke != NULL);
 410             hres = create_builtin_function(This->ctx, prop->u.p->invoke, prop->u.p->name, NULL,
 411                     prop->u.p->flags, NULL, &obj);
 412             if(FAILED(hres))
 413                 break;
 414
 415             prop->type = PROP_JSVAL;
 416             prop->u.val = jsval_obj(obj);
 417
 418             jsdisp_addref(obj);
 419             *r = jsval_obj(obj);
 420         }
 421         break;
 422     case PROP_JSVAL:
 423         hres = jsval_copy(prop->u.val, r);
 424         break;
 425     case PROP_ACCESSOR:
 426         if(prop->u.accessor.getter) {
 427             hres = jsdisp_call_value(prop->u.accessor.getter, to_disp(This),
 428                                      DISPATCH_METHOD, 0, NULL, r);
 429         }else {
 430             *r = jsval_undefined();
 431             hres = S_OK;
 432         }
 433         break;
 434     case PROP_IDX:
 435         hres = prop_obj->builtin_info->idx_get(prop_obj, prop->u.idx, r);
 436         break;
 437     default:
 438         ERR("type %d\n", prop->type);
 439         return E_FAIL;
 440     }
 441
 442     if(FAILED(hres)) {
 443         TRACE("fail %08x\n", hres);
 444         return hres;
 445     }
 446
 447     TRACE("%p.%s ret %s\n", This, debugstr_w(prop->name), debugstr_jsval(*r));
 448     return hres;
 449 }
 450
 451 static HRESULT prop_put(jsdisp_t *This, dispex_prop_t *prop, jsval_t val)
 452 {
 453     HRESULT hres;
 454
 455     if(prop->type == PROP_PROTREF) {
 456         dispex_prop_t *prop_iter = prop;
 457         jsdisp_t *prototype_iter = This;
 458
 459         do {
 460             prototype_iter = prototype_iter->prototype;
 461             prop_iter = prototype_iter->props + prop_iter->u.ref;
 462         } while(prop_iter->type == PROP_PROTREF);
 463
 464         if(prop_iter->type == PROP_ACCESSOR)
 465             prop = prop_iter;
 466     }
 467
 468     switch(prop->type) {
 469     case PROP_BUILTIN:
 470         if(!prop->u.p->setter) {
 471             TRACE("getter with no setter\n");
 472             return S_OK;
 473         }
 474         return prop->u.p->setter(This->ctx, This, val);
 475     case PROP_PROTREF:
 476     case PROP_DELETED:
 477         if(!This->extensible)
 478             return S_OK;
 479         prop->type = PROP_JSVAL;
 480         prop->flags = PROPF_ENUMERABLE | PROPF_CONFIGURABLE | PROPF_WRITABLE;
 481         prop->u.val = jsval_undefined();
 482         break;
 483     case PROP_JSVAL:
 484         if(!(prop->flags & PROPF_WRITABLE))
 485             return S_OK;
 486
 487         jsval_release(prop->u.val);
 488         break;
 489     case PROP_ACCESSOR:
 490         if(!prop->u.accessor.setter) {
 491             TRACE("no setter\n");
 492             return S_OK;
 493         }
 494         return jsdisp_call_value(prop->u.accessor.setter, to_disp(This), DISPATCH_METHOD, 1, &val, NULL);
 495     case PROP_IDX:
 496         if(!This->builtin_info->idx_put) {
 497             TRACE("no put_idx\n");
 498             return S_OK;
 499         }
 500         return This->builtin_info->idx_put(This, prop->u.idx, val);
 501     default:
 502         ERR("type %d\n", prop->type);
 503         return E_FAIL;
 504     }
 505
 506     TRACE("%p.%s = %s\n", This, debugstr_w(prop->name), debugstr_jsval(val));
 507
 508     hres = jsval_copy(val, &prop->u.val);
 509     if(FAILED(hres))
 510         return hres;
 511
 512     if(This->builtin_info->on_put)
 513         This->builtin_info->on_put(This, prop->name);
 514
 515     return S_OK;
 516 }
 517
 518 static HRESULT invoke_prop_func(jsdisp_t *This, IDispatch *jsthis, dispex_prop_t *prop, WORD flags,
 519         unsigned argc, jsval_t *argv, jsval_t *r, IServiceProvider *caller)
 520 {
 521     HRESULT hres;
 522
 523     switch(prop->type) {
 524     case PROP_BUILTIN: {
 525         if(flags == DISPATCH_CONSTRUCT && (prop->flags & PROPF_METHOD)) {
 526             WARN("%s is not a constructor\n", debugstr_w(prop->name));
 527             return E_INVALIDARG;
 528         }
 529
 530         if(prop->name || This->builtin_info->class != JSCLASS_FUNCTION) {
 531             vdisp_t vthis;
 532
 533             if(This->builtin_info->class != JSCLASS_FUNCTION && prop->u.p->invoke != JSGlobal_eval)
 534                 flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
 535             if(jsthis)
 536                 set_disp(&vthis, jsthis);
 537             else
 538                 set_jsdisp(&vthis, This);
 539             hres = prop->u.p->invoke(This->ctx, &vthis, flags, argc, argv, r);
 540             vdisp_release(&vthis);
 541         }else {
 542             /* Function object calls are special case */
 543             hres = Function_invoke(This, jsthis, flags, argc, argv, r);
 544         }
 545         return hres;
 546     }
 547     case PROP_PROTREF:
 548         return invoke_prop_func(This->prototype, jsthis ? jsthis : (IDispatch *)&This->IDispatchEx_iface,
 549                                 This->prototype->props+prop->u.ref, flags, argc, argv, r, caller);
 550     case PROP_JSVAL: {
 551         if(!is_object_instance(prop->u.val) || !get_object(prop->u.val)) {
 552             FIXME("invoke %s\n", debugstr_jsval(prop->u.val));
 553             return E_FAIL;
 554         }
 555
 556         TRACE("call %s %p\n", debugstr_w(prop->name), get_object(prop->u.val));
 557
 558         return disp_call_value(This->ctx, get_object(prop->u.val),
 559                                jsthis ? jsthis : (IDispatch*)&This->IDispatchEx_iface,
 560                                flags, argc, argv, r);
 561     }
 562     case PROP_ACCESSOR:
 563     case PROP_IDX: {
 564         jsval_t val;
 565
 566         hres = prop_get(This, prop, &val);
 567         if(FAILED(hres))
 568             return hres;
 569
 570         if(is_object_instance(val) && get_object(val)) {
 571             hres = disp_call_value(This->ctx, get_object(val),
 572                                    jsthis ? jsthis : (IDispatch*)&This->IDispatchEx_iface,
 573                                    flags, argc, argv, r);
 574         }else {
 575             FIXME("invoke %s\n", debugstr_jsval(val));
 576             hres = E_NOTIMPL;
 577         }
 578
 579         jsval_release(val);
 580         return hres;
 581     }
 582     case PROP_DELETED:
 583         assert(0);
 584         break;
 585     }
 586
 587     return E_FAIL;
 588 }
 589
 590 HRESULT builtin_set_const(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t value)
 591 {
 592     TRACE("%p %s\n", jsthis, debugstr_jsval(value));
 593     return S_OK;
 594 }
 595
 596 static HRESULT fill_protrefs(jsdisp_t *This)
 597 {
 598     dispex_prop_t *iter, *prop;
 599     HRESULT hres;
 600
 601     if(!This->prototype)
 602         return S_OK;
 603
 604     fill_protrefs(This->prototype);
 605
 606     for(iter = This->prototype->props; iter < This->prototype->props+This->prototype->prop_cnt; iter++) {
 607         if(!iter->name)
 608             continue;
 609         hres = find_prop_name(This, iter->hash, iter->name, &prop);
 610         if(FAILED(hres))
 611             return hres;
 612         if(!prop || prop->type==PROP_DELETED) {
 613             if(prop) {
 614                 prop->type = PROP_PROTREF;
 615                 prop->flags = 0;
 616                 prop->u.ref = iter - This->prototype->props;
 617             }else {
 618                 prop = alloc_protref(This, iter->name, iter - This->prototype->props);
 619                 if(!prop)
 620                     return E_OUTOFMEMORY;
 621             }
 622         }
 623     }
 624
 625     return S_OK;
 626 }
 627
 628 struct typeinfo_func {
 629     dispex_prop_t *prop;
 630     function_code_t *code;
 631 };
 632
 633 typedef struct {
 634     ITypeInfo ITypeInfo_iface;
 635     ITypeComp ITypeComp_iface;
 636     LONG ref;
 637
 638     UINT num_funcs;
 639     UINT num_vars;
 640     struct typeinfo_func *funcs;
 641     dispex_prop_t **vars;
 642
 643     jsdisp_t *jsdisp;
 644 } ScriptTypeInfo;
 645
 646 static struct typeinfo_func *get_func_from_memid(const ScriptTypeInfo *typeinfo, MEMBERID memid)
 647 {
 648     UINT a = 0, b = typeinfo->num_funcs;
 649
 650     while (a < b)
 651     {
 652         UINT i = (a + b - 1) / 2;
 653         MEMBERID func_memid = prop_to_id(typeinfo->jsdisp, typeinfo->funcs[i].prop);
 654
 655         if (memid == func_memid)
 656             return &typeinfo->funcs[i];
 657         else if (memid < func_memid)
 658             b = i;
 659         else
 660             a = i + 1;
 661     }
 662     return NULL;
 663 }
 664
 665 static dispex_prop_t *get_var_from_memid(const ScriptTypeInfo *typeinfo, MEMBERID memid)
 666 {
 667     UINT a = 0, b = typeinfo->num_vars;
 668
 669     while (a < b)
 670     {
 671         UINT i = (a + b - 1) / 2;
 672         MEMBERID var_memid = prop_to_id(typeinfo->jsdisp, typeinfo->vars[i]);
 673
 674         if (memid == var_memid)
 675             return typeinfo->vars[i];
 676         else if (memid < var_memid)
 677             b = i;
 678         else
 679             a = i + 1;
 680     }
 681     return NULL;
 682 }
 683
 684 static inline ScriptTypeInfo *ScriptTypeInfo_from_ITypeInfo(ITypeInfo *iface)
 685 {
 686     return CONTAINING_RECORD(iface, ScriptTypeInfo, ITypeInfo_iface);
 687 }
 688
 689 static inline ScriptTypeInfo *ScriptTypeInfo_from_ITypeComp(ITypeComp *iface)
 690 {
 691     return CONTAINING_RECORD(iface, ScriptTypeInfo, ITypeComp_iface);
 692 }
 693
 694 static HRESULT WINAPI ScriptTypeInfo_QueryInterface(ITypeInfo *iface, REFIID riid, void **ppv)
 695 {
 696     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 697
 698     if (IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_ITypeInfo, riid))
 699         *ppv = &This->ITypeInfo_iface;
 700     else if (IsEqualGUID(&IID_ITypeComp, riid))
 701         *ppv = &This->ITypeComp_iface;
 702     else
 703     {
 704         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 705         *ppv = NULL;
 706         return E_NOINTERFACE;
 707     }
 708
 709     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
 710     IUnknown_AddRef((IUnknown*)*ppv);
 711     return S_OK;
 712 }
 713
 714 static ULONG WINAPI ScriptTypeInfo_AddRef(ITypeInfo *iface)
 715 {
 716     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 717     LONG ref = InterlockedIncrement(&This->ref);
 718
 719     TRACE("(%p) ref=%d\n", This, ref);
 720
 721     return ref;
 722 }
 723
 724 static ULONG WINAPI ScriptTypeInfo_Release(ITypeInfo *iface)
 725 {
 726     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 727     LONG ref = InterlockedDecrement(&This->ref);
 728     UINT i;
 729
 730     TRACE("(%p) ref=%d\n", This, ref);
 731
 732     if (!ref)
 733     {
 734         for (i = This->num_funcs; i--;)
 735             release_bytecode(This->funcs[i].code->bytecode);
 736         IDispatchEx_Release(&This->jsdisp->IDispatchEx_iface);
 737         heap_free(This->funcs);
 738         heap_free(This->vars);
 739         heap_free(This);
 740     }
 741     return ref;
 742 }
 743
 744 static HRESULT WINAPI ScriptTypeInfo_GetTypeAttr(ITypeInfo *iface, TYPEATTR **ppTypeAttr)
 745 {
 746     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 747     TYPEATTR *attr;
 748
 749     TRACE("(%p)->(%p)\n", This, ppTypeAttr);
 750
 751     if (!ppTypeAttr) return E_INVALIDARG;
 752
 753     attr = heap_alloc_zero(sizeof(*attr));
 754     if (!attr) return E_OUTOFMEMORY;
 755
 756     attr->guid = GUID_JScriptTypeInfo;
 757     attr->lcid = LOCALE_USER_DEFAULT;
 758     attr->memidConstructor = MEMBERID_NIL;
 759     attr->memidDestructor = MEMBERID_NIL;
 760     attr->cbSizeInstance = 4;
 761     attr->typekind = TKIND_DISPATCH;
 762     attr->cFuncs = This->num_funcs;
 763     attr->cVars = This->num_vars;
 764     attr->cImplTypes = 1;
 765     attr->cbSizeVft = sizeof(IDispatchVtbl);
 766     attr->cbAlignment = 4;
 767     attr->wTypeFlags = TYPEFLAG_FDISPATCHABLE;
 768     attr->wMajorVerNum = JSCRIPT_MAJOR_VERSION;
 769     attr->wMinorVerNum = JSCRIPT_MINOR_VERSION;
 770
 771     *ppTypeAttr = attr;
 772     return S_OK;
 773 }
 774
 775 static HRESULT WINAPI ScriptTypeInfo_GetTypeComp(ITypeInfo *iface, ITypeComp **ppTComp)
 776 {
 777     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 778
 779     TRACE("(%p)->(%p)\n", This, ppTComp);
 780
 781     if (!ppTComp) return E_INVALIDARG;
 782
 783     *ppTComp = &This->ITypeComp_iface;
 784     ITypeInfo_AddRef(iface);
 785     return S_OK;
 786 }
 787
 788 static HRESULT WINAPI ScriptTypeInfo_GetFuncDesc(ITypeInfo *iface, UINT index, FUNCDESC **ppFuncDesc)
 789 {
 790     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 791     struct typeinfo_func *func;
 792     FUNCDESC *desc;
 793     unsigned i;
 794
 795     TRACE("(%p)->(%u %p)\n", This, index, ppFuncDesc);
 796
 797     if (!ppFuncDesc) return E_INVALIDARG;
 798     if (index >= This->num_funcs) return TYPE_E_ELEMENTNOTFOUND;
 799     func = &This->funcs[index];
 800
 801     /* Store the parameter array after the FUNCDESC structure */
 802     desc = heap_alloc_zero(sizeof(*desc) + sizeof(ELEMDESC) * func->code->param_cnt);
 803     if (!desc) return E_OUTOFMEMORY;
 804
 805     desc->memid = prop_to_id(This->jsdisp, func->prop);
 806     desc->funckind = FUNC_DISPATCH;
 807     desc->invkind = INVOKE_FUNC;
 808     desc->callconv = CC_STDCALL;
 809     desc->cParams = func->code->param_cnt;
 810     desc->elemdescFunc.tdesc.vt = VT_VARIANT;
 811
 812     if (func->code->param_cnt) desc->lprgelemdescParam = (ELEMDESC*)(desc + 1);
 813     for (i = 0; i < func->code->param_cnt; i++)
 814         desc->lprgelemdescParam[i].tdesc.vt = VT_VARIANT;
 815
 816     *ppFuncDesc = desc;
 817     return S_OK;
 818 }
 819
 820 static HRESULT WINAPI ScriptTypeInfo_GetVarDesc(ITypeInfo *iface, UINT index, VARDESC **ppVarDesc)
 821 {
 822     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 823     VARDESC *desc;
 824
 825     TRACE("(%p)->(%u %p)\n", This, index, ppVarDesc);
 826
 827     if (!ppVarDesc) return E_INVALIDARG;
 828     if (index >= This->num_vars) return TYPE_E_ELEMENTNOTFOUND;
 829
 830     desc = heap_alloc_zero(sizeof(*desc));
 831     if (!desc) return E_OUTOFMEMORY;
 832
 833     desc->memid = prop_to_id(This->jsdisp, This->vars[index]);
 834     desc->varkind = VAR_DISPATCH;
 835     desc->elemdescVar.tdesc.vt = VT_VARIANT;
 836
 837     *ppVarDesc = desc;
 838     return S_OK;
 839 }
 840
 841 static HRESULT WINAPI ScriptTypeInfo_GetNames(ITypeInfo *iface, MEMBERID memid, BSTR *rgBstrNames,
 842         UINT cMaxNames, UINT *pcNames)
 843 {
 844     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 845     struct typeinfo_func *func;
 846     ITypeInfo *disp_typeinfo;
 847     dispex_prop_t *var;
 848     HRESULT hr;
 849     UINT i = 0;
 850
 851     TRACE("(%p)->(%d %p %u %p)\n", This, memid, rgBstrNames, cMaxNames, pcNames);
 852
 853     if (!rgBstrNames || !pcNames) return E_INVALIDARG;
 854     if (memid <= 0) return TYPE_E_ELEMENTNOTFOUND;
 855
 856     func = get_func_from_memid(This, memid);
 857     if (!func)
 858     {
 859         var = get_var_from_memid(This, memid);
 860         if (!var)
 861         {
 862             hr = get_dispatch_typeinfo(&disp_typeinfo);
 863             if (FAILED(hr)) return hr;
 864
 865             return ITypeInfo_GetNames(disp_typeinfo, memid, rgBstrNames, cMaxNames, pcNames);
 866         }
 867     }
 868
 869     *pcNames = 0;
 870     if (!cMaxNames) return S_OK;
 871
 872     rgBstrNames[0] = SysAllocString(func ? func->prop->name : var->name);
 873     if (!rgBstrNames[0]) return E_OUTOFMEMORY;
 874     i++;
 875
 876     if (func)
 877     {
 878         unsigned num = min(cMaxNames, func->code->param_cnt + 1);
 879
 880         for (; i < num; i++)
 881         {
 882             if (!(rgBstrNames[i] = SysAllocString(func->code->params[i - 1])))
 883             {
 884                 do SysFreeString(rgBstrNames[--i]); while (i);
 885                 return E_OUTOFMEMORY;
 886             }
 887         }
 888     }
 889
 890     *pcNames = i;
 891     return S_OK;
 892 }
 893
 894 static HRESULT WINAPI ScriptTypeInfo_GetRefTypeOfImplType(ITypeInfo *iface, UINT index, HREFTYPE *pRefType)
 895 {
 896     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 897
 898     TRACE("(%p)->(%u %p)\n", This, index, pRefType);
 899
 900     /* We only inherit from IDispatch */
 901     if (!pRefType) return E_INVALIDARG;
 902     if (index != 0) return TYPE_E_ELEMENTNOTFOUND;
 903
 904     *pRefType = 1;
 905     return S_OK;
 906 }
 907
 908 static HRESULT WINAPI ScriptTypeInfo_GetImplTypeFlags(ITypeInfo *iface, UINT index, INT *pImplTypeFlags)
 909 {
 910     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 911
 912     TRACE("(%p)->(%u %p)\n", This, index, pImplTypeFlags);
 913
 914     if (!pImplTypeFlags) return E_INVALIDARG;
 915     if (index != 0) return TYPE_E_ELEMENTNOTFOUND;
 916
 917     *pImplTypeFlags = 0;
 918     return S_OK;
 919 }
 920
 921 static HRESULT WINAPI ScriptTypeInfo_GetIDsOfNames(ITypeInfo *iface, LPOLESTR *rgszNames, UINT cNames,
 922         MEMBERID *pMemId)
 923 {
 924     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 925     ITypeInfo *disp_typeinfo;
 926     const WCHAR *name;
 927     HRESULT hr = S_OK;
 928     int i, j, arg;
 929
 930     TRACE("(%p)->(%p %u %p)\n", This, rgszNames, cNames, pMemId);
 931
 932     if (!rgszNames || !cNames || !pMemId) return E_INVALIDARG;
 933
 934     for (i = 0; i < cNames; i++) pMemId[i] = MEMBERID_NIL;
 935     name = rgszNames[0];
 936
 937     for (i = 0; i < This->num_funcs; i++)
 938     {
 939         struct typeinfo_func *func = &This->funcs[i];
 940
 941         if (wcsicmp(name, func->prop->name)) continue;
 942         pMemId[0] = prop_to_id(This->jsdisp, func->prop);
 943
 944         for (j = 1; j < cNames; j++)
 945         {
 946             name = rgszNames[j];
 947             for (arg = func->code->param_cnt; --arg >= 0;)
 948                 if (!wcsicmp(name, func->code->params[arg]))
 949                     break;
 950             if (arg >= 0)
 951                 pMemId[j] = arg;
 952             else
 953                 hr = DISP_E_UNKNOWNNAME;
 954         }
 955         return hr;
 956     }
 957
 958     for (i = 0; i < This->num_vars; i++)
 959     {
 960         dispex_prop_t *var = This->vars[i];
 961
 962         if (wcsicmp(name, var->name)) continue;
 963         pMemId[0] = prop_to_id(This->jsdisp, var);
 964         return S_OK;
 965     }
 966
 967     /* Look into the inherited IDispatch */
 968     hr = get_dispatch_typeinfo(&disp_typeinfo);
 969     if (FAILED(hr)) return hr;
 970
 971     return ITypeInfo_GetIDsOfNames(disp_typeinfo, rgszNames, cNames, pMemId);
 972 }
 973
 974 static HRESULT WINAPI ScriptTypeInfo_Invoke(ITypeInfo *iface, PVOID pvInstance, MEMBERID memid, WORD wFlags,
 975         DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
 976 {
 977     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
 978     ITypeInfo *disp_typeinfo;
 979     IDispatch *disp;
 980     HRESULT hr;
 981
 982     TRACE("(%p)->(%p %d %d %p %p %p %p)\n", This, pvInstance, memid, wFlags,
 983           pDispParams, pVarResult, pExcepInfo, puArgErr);
 984
 985     if (!pvInstance) return E_INVALIDARG;
 986     if (memid <= 0) return TYPE_E_ELEMENTNOTFOUND;
 987
 988     if (!get_func_from_memid(This, memid) && !get_var_from_memid(This, memid))
 989     {
 990         hr = get_dispatch_typeinfo(&disp_typeinfo);
 991         if (FAILED(hr)) return hr;
 992
 993         return ITypeInfo_Invoke(disp_typeinfo, pvInstance, memid, wFlags, pDispParams,
 994                                 pVarResult, pExcepInfo, puArgErr);
 995     }
 996
 997     hr = IUnknown_QueryInterface((IUnknown*)pvInstance, &IID_IDispatch, (void**)&disp);
 998     if (FAILED(hr)) return hr;
 999
1000     hr = IDispatch_Invoke(disp, memid, &IID_NULL, LOCALE_USER_DEFAULT, wFlags,
1001                           pDispParams, pVarResult, pExcepInfo, puArgErr);
1002     IDispatch_Release(disp);
1003
1004     return hr;
1005 }
1006
1007 static HRESULT WINAPI ScriptTypeInfo_GetDocumentation(ITypeInfo *iface, MEMBERID memid, BSTR *pBstrName,
1008         BSTR *pBstrDocString, DWORD *pdwHelpContext, BSTR *pBstrHelpFile)
1009 {
1010     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1011     struct typeinfo_func *func;
1012     ITypeInfo *disp_typeinfo;
1013     dispex_prop_t *var;
1014     HRESULT hr;
1015
1016     TRACE("(%p)->(%d %p %p %p %p)\n", This, memid, pBstrName, pBstrDocString, pdwHelpContext, pBstrHelpFile);
1017
1018     if (pBstrDocString) *pBstrDocString = NULL;
1019     if (pdwHelpContext) *pdwHelpContext = 0;
1020     if (pBstrHelpFile) *pBstrHelpFile = NULL;
1021
1022     if (memid == MEMBERID_NIL)
1023     {
1024         if (pBstrName && !(*pBstrName = SysAllocString(L"JScriptTypeInfo")))
1025             return E_OUTOFMEMORY;
1026         if (pBstrDocString &&
1027             !(*pBstrDocString = SysAllocString(L"JScript Type Info")))
1028         {
1029             if (pBstrName) SysFreeString(*pBstrName);
1030             return E_OUTOFMEMORY;
1031         }
1032         return S_OK;
1033     }
1034     if (memid <= 0) return TYPE_E_ELEMENTNOTFOUND;
1035
1036     func = get_func_from_memid(This, memid);
1037     if (!func)
1038     {
1039         var = get_var_from_memid(This, memid);
1040         if (!var)
1041         {
1042             hr = get_dispatch_typeinfo(&disp_typeinfo);
1043             if (FAILED(hr)) return hr;
1044
1045             return ITypeInfo_GetDocumentation(disp_typeinfo, memid, pBstrName, pBstrDocString,
1046                                               pdwHelpContext, pBstrHelpFile);
1047         }
1048     }
1049
1050     if (pBstrName)
1051     {
1052         *pBstrName = SysAllocString(func ? func->prop->name : var->name);
1053
1054         if (!*pBstrName)
1055             return E_OUTOFMEMORY;
1056     }
1057     return S_OK;
1058 }
1059
1060 static HRESULT WINAPI ScriptTypeInfo_GetDllEntry(ITypeInfo *iface, MEMBERID memid, INVOKEKIND invKind,
1061         BSTR *pBstrDllName, BSTR *pBstrName, WORD *pwOrdinal)
1062 {
1063     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1064     ITypeInfo *disp_typeinfo;
1065     HRESULT hr;
1066
1067     TRACE("(%p)->(%d %d %p %p %p)\n", This, memid, invKind, pBstrDllName, pBstrName, pwOrdinal);
1068
1069     if (pBstrDllName) *pBstrDllName = NULL;
1070     if (pBstrName) *pBstrName = NULL;
1071     if (pwOrdinal) *pwOrdinal = 0;
1072
1073     if (!get_func_from_memid(This, memid) && !get_var_from_memid(This, memid))
1074     {
1075         hr = get_dispatch_typeinfo(&disp_typeinfo);
1076         if (FAILED(hr)) return hr;
1077
1078         return ITypeInfo_GetDllEntry(disp_typeinfo, memid, invKind, pBstrDllName, pBstrName, pwOrdinal);
1079     }
1080     return TYPE_E_BADMODULEKIND;
1081 }
1082
1083 static HRESULT WINAPI ScriptTypeInfo_GetRefTypeInfo(ITypeInfo *iface, HREFTYPE hRefType, ITypeInfo **ppTInfo)
1084 {
1085     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1086     HRESULT hr;
1087
1088     TRACE("(%p)->(%x %p)\n", This, hRefType, ppTInfo);
1089
1090     if (!ppTInfo || (INT)hRefType < 0) return E_INVALIDARG;
1091
1092     if (hRefType & ~3) return E_FAIL;
1093     if (hRefType & 1)
1094     {
1095         hr = get_dispatch_typeinfo(ppTInfo);
1096         if (FAILED(hr)) return hr;
1097     }
1098     else
1099         *ppTInfo = iface;
1100
1101     ITypeInfo_AddRef(*ppTInfo);
1102     return S_OK;
1103 }
1104
1105 static HRESULT WINAPI ScriptTypeInfo_AddressOfMember(ITypeInfo *iface, MEMBERID memid, INVOKEKIND invKind, PVOID *ppv)
1106 {
1107     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1108     ITypeInfo *disp_typeinfo;
1109     HRESULT hr;
1110
1111     TRACE("(%p)->(%d %d %p)\n", This, memid, invKind, ppv);
1112
1113     if (!ppv) return E_INVALIDARG;
1114     *ppv = NULL;
1115
1116     if (!get_func_from_memid(This, memid) && !get_var_from_memid(This, memid))
1117     {
1118         hr = get_dispatch_typeinfo(&disp_typeinfo);
1119         if (FAILED(hr)) return hr;
1120
1121         return ITypeInfo_AddressOfMember(disp_typeinfo, memid, invKind, ppv);
1122     }
1123     return TYPE_E_BADMODULEKIND;
1124 }
1125
1126 static HRESULT WINAPI ScriptTypeInfo_CreateInstance(ITypeInfo *iface, IUnknown *pUnkOuter, REFIID riid, PVOID *ppvObj)
1127 {
1128     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1129
1130     TRACE("(%p)->(%p %s %p)\n", This, pUnkOuter, debugstr_guid(riid), ppvObj);
1131
1132     if (!ppvObj) return E_INVALIDARG;
1133
1134     *ppvObj = NULL;
1135     return TYPE_E_BADMODULEKIND;
1136 }
1137
1138 static HRESULT WINAPI ScriptTypeInfo_GetMops(ITypeInfo *iface, MEMBERID memid, BSTR *pBstrMops)
1139 {
1140     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1141     ITypeInfo *disp_typeinfo;
1142     HRESULT hr;
1143
1144     TRACE("(%p)->(%d %p)\n", This, memid, pBstrMops);
1145
1146     if (!pBstrMops) return E_INVALIDARG;
1147
1148     if (!get_func_from_memid(This, memid) && !get_var_from_memid(This, memid))
1149     {
1150         hr = get_dispatch_typeinfo(&disp_typeinfo);
1151         if (FAILED(hr)) return hr;
1152
1153         return ITypeInfo_GetMops(disp_typeinfo, memid, pBstrMops);
1154     }
1155
1156     *pBstrMops = NULL;
1157     return S_OK;
1158 }
1159
1160 static HRESULT WINAPI ScriptTypeInfo_GetContainingTypeLib(ITypeInfo *iface, ITypeLib **ppTLib, UINT *pIndex)
1161 {
1162     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1163
1164     FIXME("(%p)->(%p %p)\n", This, ppTLib, pIndex);
1165
1166     return E_NOTIMPL;
1167 }
1168
1169 static void WINAPI ScriptTypeInfo_ReleaseTypeAttr(ITypeInfo *iface, TYPEATTR *pTypeAttr)
1170 {
1171     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1172
1173     TRACE("(%p)->(%p)\n", This, pTypeAttr);
1174
1175     heap_free(pTypeAttr);
1176 }
1177
1178 static void WINAPI ScriptTypeInfo_ReleaseFuncDesc(ITypeInfo *iface, FUNCDESC *pFuncDesc)
1179 {
1180     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1181
1182     TRACE("(%p)->(%p)\n", This, pFuncDesc);
1183
1184     heap_free(pFuncDesc);
1185 }
1186
1187 static void WINAPI ScriptTypeInfo_ReleaseVarDesc(ITypeInfo *iface, VARDESC *pVarDesc)
1188 {
1189     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeInfo(iface);
1190
1191     TRACE("(%p)->(%p)\n", This, pVarDesc);
1192
1193     heap_free(pVarDesc);
1194 }
1195
1196 static const ITypeInfoVtbl ScriptTypeInfoVtbl = {
1197     ScriptTypeInfo_QueryInterface,
1198     ScriptTypeInfo_AddRef,
1199     ScriptTypeInfo_Release,
1200     ScriptTypeInfo_GetTypeAttr,
1201     ScriptTypeInfo_GetTypeComp,
1202     ScriptTypeInfo_GetFuncDesc,
1203     ScriptTypeInfo_GetVarDesc,
1204     ScriptTypeInfo_GetNames,
1205     ScriptTypeInfo_GetRefTypeOfImplType,
1206     ScriptTypeInfo_GetImplTypeFlags,
1207     ScriptTypeInfo_GetIDsOfNames,
1208     ScriptTypeInfo_Invoke,
1209     ScriptTypeInfo_GetDocumentation,
1210     ScriptTypeInfo_GetDllEntry,
1211     ScriptTypeInfo_GetRefTypeInfo,
1212     ScriptTypeInfo_AddressOfMember,
1213     ScriptTypeInfo_CreateInstance,
1214     ScriptTypeInfo_GetMops,
1215     ScriptTypeInfo_GetContainingTypeLib,
1216     ScriptTypeInfo_ReleaseTypeAttr,
1217     ScriptTypeInfo_ReleaseFuncDesc,
1218     ScriptTypeInfo_ReleaseVarDesc
1219 };
1220
1221 static HRESULT WINAPI ScriptTypeComp_QueryInterface(ITypeComp *iface, REFIID riid, void **ppv)
1222 {
1223     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
1224     return ITypeInfo_QueryInterface(&This->ITypeInfo_iface, riid, ppv);
1225 }
1226
1227 static ULONG WINAPI ScriptTypeComp_AddRef(ITypeComp *iface)
1228 {
1229     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
1230     return ITypeInfo_AddRef(&This->ITypeInfo_iface);
1231 }
1232
1233 static ULONG WINAPI ScriptTypeComp_Release(ITypeComp *iface)
1234 {
1235     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
1236     return ITypeInfo_Release(&This->ITypeInfo_iface);
1237 }
1238
1239 static HRESULT WINAPI ScriptTypeComp_Bind(ITypeComp *iface, LPOLESTR szName, ULONG lHashVal, WORD wFlags,
1240         ITypeInfo **ppTInfo, DESCKIND *pDescKind, BINDPTR *pBindPtr)
1241 {
1242     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
1243     UINT flags = wFlags ? wFlags : ~0;
1244     ITypeInfo *disp_typeinfo;
1245     ITypeComp *disp_typecomp;
1246     HRESULT hr;
1247     UINT i;
1248
1249     TRACE("(%p)->(%s %08x %d %p %p %p)\n", This, debugstr_w(szName), lHashVal,
1250           wFlags, ppTInfo, pDescKind, pBindPtr);
1251
1252     if (!szName || !ppTInfo || !pDescKind || !pBindPtr)
1253         return E_INVALIDARG;
1254
1255     for (i = 0; i < This->num_funcs; i++)
1256     {
1257         if (wcsicmp(szName, This->funcs[i].prop->name)) continue;
1258         if (!(flags & INVOKE_FUNC)) return TYPE_E_TYPEMISMATCH;
1259
1260         hr = ITypeInfo_GetFuncDesc(&This->ITypeInfo_iface, i, &pBindPtr->lpfuncdesc);
1261         if (FAILED(hr)) return hr;
1262
1263         *pDescKind = DESCKIND_FUNCDESC;
1264         *ppTInfo = &This->ITypeInfo_iface;
1265         ITypeInfo_AddRef(*ppTInfo);
1266         return S_OK;
1267     }
1268
1269     for (i = 0; i < This->num_vars; i++)
1270     {
1271         if (wcsicmp(szName, This->vars[i]->name)) continue;
1272         if (!(flags & INVOKE_PROPERTYGET)) return TYPE_E_TYPEMISMATCH;
1273
1274         hr = ITypeInfo_GetVarDesc(&This->ITypeInfo_iface, i, &pBindPtr->lpvardesc);
1275         if (FAILED(hr)) return hr;
1276
1277         *pDescKind = DESCKIND_VARDESC;
1278         *ppTInfo = &This->ITypeInfo_iface;
1279         ITypeInfo_AddRef(*ppTInfo);
1280         return S_OK;
1281     }
1282
1283     /* Look into the inherited IDispatch */
1284     hr = get_dispatch_typeinfo(&disp_typeinfo);
1285     if (FAILED(hr)) return hr;
1286
1287     hr = ITypeInfo_GetTypeComp(disp_typeinfo, &disp_typecomp);
1288     if (FAILED(hr)) return hr;
1289
1290     hr = ITypeComp_Bind(disp_typecomp, szName, lHashVal, wFlags, ppTInfo, pDescKind, pBindPtr);
1291     ITypeComp_Release(disp_typecomp);
1292     return hr;
1293 }
1294
1295 static HRESULT WINAPI ScriptTypeComp_BindType(ITypeComp *iface, LPOLESTR szName, ULONG lHashVal,
1296         ITypeInfo **ppTInfo, ITypeComp **ppTComp)
1297 {
1298     ScriptTypeInfo *This = ScriptTypeInfo_from_ITypeComp(iface);
1299     ITypeInfo *disp_typeinfo;
1300     ITypeComp *disp_typecomp;
1301     HRESULT hr;
1302
1303     TRACE("(%p)->(%s %08x %p %p)\n", This, debugstr_w(szName), lHashVal, ppTInfo, ppTComp);
1304
1305     if (!szName || !ppTInfo || !ppTComp)
1306         return E_INVALIDARG;
1307
1308     /* Look into the inherited IDispatch */
1309     hr = get_dispatch_typeinfo(&disp_typeinfo);
1310     if (FAILED(hr)) return hr;
1311
1312     hr = ITypeInfo_GetTypeComp(disp_typeinfo, &disp_typecomp);
1313     if (FAILED(hr)) return hr;
1314
1315     hr = ITypeComp_BindType(disp_typecomp, szName, lHashVal, ppTInfo, ppTComp);
1316     ITypeComp_Release(disp_typecomp);
1317     return hr;
1318 }
1319
1320 static const ITypeCompVtbl ScriptTypeCompVtbl = {
1321     ScriptTypeComp_QueryInterface,
1322     ScriptTypeComp_AddRef,
1323     ScriptTypeComp_Release,
1324     ScriptTypeComp_Bind,
1325     ScriptTypeComp_BindType
1326 };
1327
1328 static inline jsdisp_t *impl_from_IDispatchEx(IDispatchEx *iface)
1329 {
1330     return CONTAINING_RECORD(iface, jsdisp_t, IDispatchEx_iface);
1331 }
1332
1333 static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid, void **ppv)
1334 {
1335     jsdisp_t *This = impl_from_IDispatchEx(iface);
1336
1337     if(IsEqualGUID(&IID_IUnknown, riid)) {
1338         TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
1339         *ppv = &This->IDispatchEx_iface;
1340     }else if(IsEqualGUID(&IID_IDispatch, riid)) {
1341         TRACE("(%p)->(IID_IDispatch %p)\n", This, ppv);
1342         *ppv = &This->IDispatchEx_iface;
1343     }else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
1344         TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
1345         *ppv = &This->IDispatchEx_iface;
1346     }else {
1347         WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
1348         *ppv = NULL;
1349         return E_NOINTERFACE;
1350     }
1351
1352     jsdisp_addref(This);
1353     return S_OK;
1354 }
1355
1356 static ULONG WINAPI DispatchEx_AddRef(IDispatchEx *iface)
1357 {
1358     jsdisp_t *This = impl_from_IDispatchEx(iface);
1359     jsdisp_addref(This);
1360     return This->ref;
1361 }
1362
1363 static ULONG WINAPI DispatchEx_Release(IDispatchEx *iface)
1364 {
1365     jsdisp_t *This = impl_from_IDispatchEx(iface);
1366     ULONG ref = --This->ref;
1367     TRACE("(%p) ref=%d\n", This, ref);
1368     if(!ref)
1369         jsdisp_free(This);
1370     return ref;
1371 }
1372
1373 static HRESULT WINAPI DispatchEx_GetTypeInfoCount(IDispatchEx *iface, UINT *pctinfo)
1374 {
1375     jsdisp_t *This = impl_from_IDispatchEx(iface);
1376
1377     TRACE("(%p)->(%p)\n", This, pctinfo);
1378
1379     *pctinfo = 1;
1380     return S_OK;
1381 }
1382
1383 static HRESULT WINAPI DispatchEx_GetTypeInfo(IDispatchEx *iface, UINT iTInfo, LCID lcid,
1384                                               ITypeInfo **ppTInfo)
1385 {
1386     jsdisp_t *This = impl_from_IDispatchEx(iface);
1387     dispex_prop_t *prop, *cur, *end, **typevar;
1388     UINT num_funcs = 0, num_vars = 0;
1389     struct typeinfo_func *typefunc;
1390     function_code_t *func_code;
1391     ScriptTypeInfo *typeinfo;
1392     unsigned pos;
1393
1394     TRACE("(%p)->(%u %u %p)\n", This, iTInfo, lcid, ppTInfo);
1395
1396     if (iTInfo != 0) return DISP_E_BADINDEX;
1397
1398     for (prop = This->props, end = prop + This->prop_cnt; prop != end; prop++)
1399     {
1400         if (!prop->name || prop->type != PROP_JSVAL || !(prop->flags & PROPF_ENUMERABLE))
1401             continue;
1402
1403         /* If two identifiers differ only by case, the TypeInfo fails */
1404         pos = This->props[get_props_idx(This, prop->hash)].bucket_head;
1405         while (pos)
1406         {
1407             cur = This->props + pos;
1408
1409             if (prop->hash == cur->hash && prop != cur &&
1410                 cur->type == PROP_JSVAL && (cur->flags & PROPF_ENUMERABLE) &&
1411                 !wcsicmp(prop->name, cur->name))
1412             {
1413                 return TYPE_E_AMBIGUOUSNAME;
1414             }
1415             pos = cur->bucket_next;
1416         }
1417
1418         if (is_function_prop(prop))
1419         {
1420             if (Function_get_code(as_jsdisp(get_object(prop->u.val))))
1421                 num_funcs++;
1422         }
1423         else num_vars++;
1424     }
1425
1426     if (!(typeinfo = heap_alloc(sizeof(*typeinfo))))
1427         return E_OUTOFMEMORY;
1428
1429     typeinfo->ITypeInfo_iface.lpVtbl = &ScriptTypeInfoVtbl;
1430     typeinfo->ITypeComp_iface.lpVtbl = &ScriptTypeCompVtbl;
1431     typeinfo->ref = 1;
1432     typeinfo->num_vars = num_vars;
1433     typeinfo->num_funcs = num_funcs;
1434     typeinfo->jsdisp = This;
1435
1436     typeinfo->funcs = heap_alloc(sizeof(*typeinfo->funcs) * num_funcs);
1437     if (!typeinfo->funcs)
1438     {
1439         heap_free(typeinfo);
1440         return E_OUTOFMEMORY;
1441     }
1442
1443     typeinfo->vars = heap_alloc(sizeof(*typeinfo->vars) * num_vars);
1444     if (!typeinfo->vars)
1445     {
1446         heap_free(typeinfo->funcs);
1447         heap_free(typeinfo);
1448         return E_OUTOFMEMORY;
1449     }
1450
1451     typefunc = typeinfo->funcs;
1452     typevar = typeinfo->vars;
1453     for (prop = This->props; prop != end; prop++)
1454     {
1455         if (!prop->name || prop->type != PROP_JSVAL || !(prop->flags & PROPF_ENUMERABLE))
1456             continue;
1457
1458         if (is_function_prop(prop))
1459         {
1460             func_code = Function_get_code(as_jsdisp(get_object(prop->u.val)));
1461             if (!func_code) continue;
1462
1463             typefunc->prop = prop;
1464             typefunc->code = func_code;
1465             typefunc++;
1466
1467             /* The function may be deleted, so keep a ref */
1468             bytecode_addref(func_code->bytecode);
1469         }
1470         else
1471             *typevar++ = prop;
1472     }
1473
1474     /* Keep a ref to the props and their names */
1475     IDispatchEx_AddRef(&This->IDispatchEx_iface);
1476
1477     *ppTInfo = &typeinfo->ITypeInfo_iface;
1478     return S_OK;
1479 }
1480
1481 static HRESULT WINAPI DispatchEx_GetIDsOfNames(IDispatchEx *iface, REFIID riid,
1482                                                 LPOLESTR *rgszNames, UINT cNames, LCID lcid,
1483                                                 DISPID *rgDispId)
1484 {
1485     jsdisp_t *This = impl_from_IDispatchEx(iface);
1486     UINT i;
1487     HRESULT hres;
1488
1489     TRACE("(%p)->(%s %p %u %u %p)\n", This, debugstr_guid(riid), rgszNames, cNames,
1490           lcid, rgDispId);
1491
1492     for(i=0; i < cNames; i++) {
1493         hres = IDispatchEx_GetDispID(&This->IDispatchEx_iface, rgszNames[i], 0, rgDispId+i);
1494         if(FAILED(hres))
1495             return hres;
1496     }
1497
1498     return S_OK;
1499 }
1500
1501 static HRESULT WINAPI DispatchEx_Invoke(IDispatchEx *iface, DISPID dispIdMember,
1502                                         REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
1503                             VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
1504 {
1505     jsdisp_t *This = impl_from_IDispatchEx(iface);
1506
1507     TRACE("(%p)->(%d %s %d %d %p %p %p %p)\n", This, dispIdMember, debugstr_guid(riid),
1508           lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
1509
1510     return IDispatchEx_InvokeEx(&This->IDispatchEx_iface, dispIdMember, lcid, wFlags,
1511             pDispParams, pVarResult, pExcepInfo, NULL);
1512 }
1513
1514 static HRESULT WINAPI DispatchEx_GetDispID(IDispatchEx *iface, BSTR bstrName, DWORD grfdex, DISPID *pid)
1515 {
1516     jsdisp_t *This = impl_from_IDispatchEx(iface);
1517
1518     TRACE("(%p)->(%s %x %p)\n", This, debugstr_w(bstrName), grfdex, pid);
1519
1520     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK)) {
1521         FIXME("Unsupported grfdex %x\n", grfdex);
1522         return E_NOTIMPL;
1523     }
1524
1525     return jsdisp_get_id(This, bstrName, grfdex, pid);
1526 }
1527
1528 static HRESULT WINAPI DispatchEx_InvokeEx(IDispatchEx *iface, DISPID id, LCID lcid, WORD wFlags, DISPPARAMS *pdp,
1529         VARIANT *pvarRes, EXCEPINFO *pei, IServiceProvider *pspCaller)
1530 {
1531     jsdisp_t *This = impl_from_IDispatchEx(iface);
1532     dispex_prop_t *prop;
1533     jsexcept_t ei;
1534     HRESULT hres;
1535
1536     TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, wFlags, pdp, pvarRes, pei, pspCaller);
1537
1538     if(pvarRes)
1539         V_VT(pvarRes) = VT_EMPTY;
1540
1541     prop = get_prop(This, id);
1542     if(!prop || prop->type == PROP_DELETED) {
1543         TRACE("invalid id\n");
1544         return DISP_E_MEMBERNOTFOUND;
1545     }
1546
1547     enter_script(This->ctx, &ei);
1548
1549     switch(wFlags) {
1550     case DISPATCH_METHOD|DISPATCH_PROPERTYGET:
1551         wFlags = DISPATCH_METHOD;
1552         /* fall through */
1553     case DISPATCH_METHOD:
1554     case DISPATCH_CONSTRUCT: {
1555         jsval_t *argv, buf[6], r;
1556         unsigned argc;
1557
1558         hres = convert_params(pdp, buf, &argc, &argv);
1559         if(FAILED(hres))
1560             break;
1561
1562         hres = invoke_prop_func(This, get_this(pdp), prop, wFlags, argc, argv, pvarRes ? &r : NULL, pspCaller);
1563         if(argv != buf)
1564             heap_free(argv);
1565         if(SUCCEEDED(hres) && pvarRes) {
1566             hres = jsval_to_variant(r, pvarRes);
1567             jsval_release(r);
1568         }
1569         break;
1570     }
1571     case DISPATCH_PROPERTYGET: {
1572         jsval_t r;
1573
1574         hres = prop_get(This, prop, &r);
1575         if(SUCCEEDED(hres)) {
1576             hres = jsval_to_variant(r, pvarRes);
1577             jsval_release(r);
1578         }
1579         break;
1580     }
1581     case DISPATCH_PROPERTYPUT: {
1582         jsval_t val;
1583         DWORD i;
1584
1585         for(i=0; i < pdp->cNamedArgs; i++) {
1586             if(pdp->rgdispidNamedArgs[i] == DISPID_PROPERTYPUT)
1587                 break;
1588         }
1589
1590         if(i == pdp->cNamedArgs) {
1591             TRACE("no value to set\n");
1592             hres = DISP_E_PARAMNOTOPTIONAL;
1593             break;
1594         }
1595
1596         hres = variant_to_jsval(pdp->rgvarg+i, &val);
1597         if(FAILED(hres))
1598             break;
1599
1600         hres = prop_put(This, prop, val);
1601         jsval_release(val);
1602         break;
1603     }
1604     default:
1605         FIXME("Unimplemented flags %x\n", wFlags);
1606         hres = E_INVALIDARG;
1607         break;
1608     }
1609
1610     return leave_script(This->ctx, hres);
1611 }
1612
1613 static HRESULT delete_prop(dispex_prop_t *prop, BOOL *ret)
1614 {
1615     if(!(prop->flags & PROPF_CONFIGURABLE)) {
1616         *ret = FALSE;
1617         return S_OK;
1618     }
1619
1620     *ret = TRUE; /* FIXME: not exactly right */
1621
1622     if(prop->type == PROP_JSVAL) {
1623         jsval_release(prop->u.val);
1624         prop->type = PROP_DELETED;
1625     }
1626     if(prop->type == PROP_ACCESSOR)
1627         FIXME("not supported on accessor property\n");
1628     return S_OK;
1629 }
1630
1631 static HRESULT WINAPI DispatchEx_DeleteMemberByName(IDispatchEx *iface, BSTR bstrName, DWORD grfdex)
1632 {
1633     jsdisp_t *This = impl_from_IDispatchEx(iface);
1634     dispex_prop_t *prop;
1635     BOOL b;
1636     HRESULT hres;
1637
1638     TRACE("(%p)->(%s %x)\n", This, debugstr_w(bstrName), grfdex);
1639
1640     if(grfdex & ~(fdexNameCaseSensitive|fdexNameEnsure|fdexNameImplicit|FDEX_VERSION_MASK))
1641         FIXME("Unsupported grfdex %x\n", grfdex);
1642
1643     hres = find_prop_name(This, string_hash(bstrName), bstrName, &prop);
1644     if(FAILED(hres))
1645         return hres;
1646     if(!prop) {
1647         TRACE("not found\n");
1648         return S_OK;
1649     }
1650
1651     return delete_prop(prop, &b);
1652 }
1653
1654 static HRESULT WINAPI DispatchEx_DeleteMemberByDispID(IDispatchEx *iface, DISPID id)
1655 {
1656     jsdisp_t *This = impl_from_IDispatchEx(iface);
1657     dispex_prop_t *prop;
1658     BOOL b;
1659
1660     TRACE("(%p)->(%x)\n", This, id);
1661
1662     prop = get_prop(This, id);
1663     if(!prop) {
1664         WARN("invalid id\n");
1665         return DISP_E_MEMBERNOTFOUND;
1666     }
1667
1668     return delete_prop(prop, &b);
1669 }
1670
1671 static HRESULT WINAPI DispatchEx_GetMemberProperties(IDispatchEx *iface, DISPID id, DWORD grfdexFetch, DWORD *pgrfdex)
1672 {
1673     jsdisp_t *This = impl_from_IDispatchEx(iface);
1674     FIXME("(%p)->(%x %x %p)\n", This, id, grfdexFetch, pgrfdex);
1675     return E_NOTIMPL;
1676 }
1677
1678 static HRESULT WINAPI DispatchEx_GetMemberName(IDispatchEx *iface, DISPID id, BSTR *pbstrName)
1679 {
1680     jsdisp_t *This = impl_from_IDispatchEx(iface);
1681     dispex_prop_t *prop;
1682
1683     TRACE("(%p)->(%x %p)\n", This, id, pbstrName);
1684
1685     prop = get_prop(This, id);
1686     if(!prop || !prop->name || prop->type == PROP_DELETED)
1687         return DISP_E_MEMBERNOTFOUND;
1688
1689     *pbstrName = SysAllocString(prop->name);
1690     if(!*pbstrName)
1691         return E_OUTOFMEMORY;
1692
1693     return S_OK;
1694 }
1695
1696 static HRESULT WINAPI DispatchEx_GetNextDispID(IDispatchEx *iface, DWORD grfdex, DISPID id, DISPID *pid)
1697 {
1698     jsdisp_t *This = impl_from_IDispatchEx(iface);
1699     HRESULT hres;
1700
1701     TRACE("(%p)->(%x %x %p)\n", This, grfdex, id, pid);
1702
1703     hres = jsdisp_next_prop(This, id, FALSE, pid);
1704     if(hres == S_FALSE)
1705         *pid = DISPID_STARTENUM;
1706     return hres;
1707 }
1708
1709 static HRESULT WINAPI DispatchEx_GetNameSpaceParent(IDispatchEx *iface, IUnknown **ppunk)
1710 {
1711     jsdisp_t *This = impl_from_IDispatchEx(iface);
1712     FIXME("(%p)->(%p)\n", This, ppunk);
1713     return E_NOTIMPL;
1714 }
1715
1716 static IDispatchExVtbl DispatchExVtbl = {
1717     DispatchEx_QueryInterface,
1718     DispatchEx_AddRef,
1719     DispatchEx_Release,
1720     DispatchEx_GetTypeInfoCount,
1721     DispatchEx_GetTypeInfo,
1722     DispatchEx_GetIDsOfNames,
1723     DispatchEx_Invoke,
1724     DispatchEx_GetDispID,
1725     DispatchEx_InvokeEx,
1726     DispatchEx_DeleteMemberByName,
1727     DispatchEx_DeleteMemberByDispID,
1728     DispatchEx_GetMemberProperties,
1729     DispatchEx_GetMemberName,
1730     DispatchEx_GetNextDispID,
1731     DispatchEx_GetNameSpaceParent
1732 };
1733
1734 jsdisp_t *as_jsdisp(IDispatch *disp)
1735 {
1736     assert(disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl);
1737     return impl_from_IDispatchEx((IDispatchEx*)disp);
1738 }
1739
1740 jsdisp_t *to_jsdisp(IDispatch *disp)
1741 {
1742     return disp->lpVtbl == (IDispatchVtbl*)&DispatchExVtbl ? impl_from_IDispatchEx((IDispatchEx*)disp) : NULL;
1743 }
1744
1745 HRESULT init_dispex(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype)
1746 {
1747     TRACE("%p (%p)\n", dispex, prototype);
1748
1749     dispex->IDispatchEx_iface.lpVtbl = &DispatchExVtbl;
1750     dispex->ref = 1;
1751     dispex->builtin_info = builtin_info;
1752     dispex->extensible = TRUE;
1753
1754     dispex->props = heap_alloc_zero(sizeof(dispex_prop_t)*(dispex->buf_size=4));
1755     if(!dispex->props)
1756         return E_OUTOFMEMORY;
1757
1758     dispex->prototype = prototype;
1759     if(prototype)
1760         jsdisp_addref(prototype);
1761
1762     dispex->prop_cnt = 1;
1763     if(builtin_info->value_prop.invoke || builtin_info->value_prop.getter) {
1764         dispex->props[0].type = PROP_BUILTIN;
1765         dispex->props[0].u.p = &builtin_info->value_prop;
1766     }else {
1767         dispex->props[0].type = PROP_DELETED;
1768     }
1769
1770     script_addref(ctx);
1771     dispex->ctx = ctx;
1772
1773     return S_OK;
1774 }
1775
1776 static const builtin_info_t dispex_info = {
1777     JSCLASS_NONE,
1778     {NULL, NULL, 0},
1779     0, NULL,
1780     NULL,
1781     NULL
1782 };
1783
1784 HRESULT create_dispex(script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *prototype, jsdisp_t **dispex)
1785 {
1786     jsdisp_t *ret;
1787     HRESULT hres;
1788
1789     ret = heap_alloc_zero(sizeof(jsdisp_t));
1790     if(!ret)
1791         return E_OUTOFMEMORY;
1792
1793     hres = init_dispex(ret, ctx, builtin_info ? builtin_info : &dispex_info, prototype);
1794     if(FAILED(hres)) {
1795         heap_free(ret);
1796         return hres;
1797     }
1798
1799     *dispex = ret;
1800     return S_OK;
1801 }
1802
1803 void jsdisp_free(jsdisp_t *obj)
1804 {
1805     dispex_prop_t *prop;
1806
1807     TRACE("(%p)\n", obj);
1808
1809     for(prop = obj->props; prop < obj->props+obj->prop_cnt; prop++) {
1810         switch(prop->type) {
1811         case PROP_JSVAL:
1812             jsval_release(prop->u.val);
1813             break;
1814         case PROP_ACCESSOR:
1815             if(prop->u.accessor.getter)
1816                 jsdisp_release(prop->u.accessor.getter);
1817             if(prop->u.accessor.setter)
1818                 jsdisp_release(prop->u.accessor.setter);
1819             break;
1820         default:
1821             break;
1822         };
1823         heap_free(prop->name);
1824     }
1825     heap_free(obj->props);
1826     script_release(obj->ctx);
1827     if(obj->prototype)
1828         jsdisp_release(obj->prototype);
1829
1830     if(obj->builtin_info->destructor)
1831         obj->builtin_info->destructor(obj);
1832     else
1833         heap_free(obj);
1834 }
1835
1836 #ifdef TRACE_REFCNT
1837
1838 jsdisp_t *jsdisp_addref(jsdisp_t *jsdisp)
1839 {
1840     ULONG ref = ++jsdisp->ref;
1841     TRACE("(%p) ref=%d\n", jsdisp, ref);
1842     return jsdisp;
1843 }
1844
1845 void jsdisp_release(jsdisp_t *jsdisp)
1846 {
1847     ULONG ref = --jsdisp->ref;
1848
1849     TRACE("(%p) ref=%d\n", jsdisp, ref);
1850
1851     if(!ref)
1852         jsdisp_free(jsdisp);
1853 }
1854
1855 #endif
1856
1857 HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const builtin_info_t *builtin_info, jsdisp_t *constr)
1858 {
1859     jsdisp_t *prot = NULL;
1860     dispex_prop_t *prop;
1861     HRESULT hres;
1862
1863     hres = find_prop_name_prot(constr, string_hash(L"prototype"), L"prototype", &prop);
1864     if(SUCCEEDED(hres) && prop && prop->type!=PROP_DELETED) {
1865         jsval_t val;
1866
1867         hres = prop_get(constr, prop, &val);
1868         if(FAILED(hres)) {
1869             ERR("Could not get prototype\n");
1870             return hres;
1871         }
1872
1873         if(is_object_instance(val) && get_object(val))
1874             prot = iface_to_jsdisp(get_object(val));
1875         else
1876             prot = ctx->object_prototype;
1877
1878         jsval_release(val);
1879     }
1880
1881     hres = init_dispex(dispex, ctx, builtin_info, prot);
1882
1883     if(prot)
1884         jsdisp_release(prot);
1885     return hres;
1886 }
1887
1888 jsdisp_t *iface_to_jsdisp(IDispatch *iface)
1889 {
1890     return iface->lpVtbl == (const IDispatchVtbl*)&DispatchExVtbl
1891         ? jsdisp_addref( impl_from_IDispatchEx((IDispatchEx*)iface))
1892         : NULL;
1893 }
1894
1895 HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)
1896 {
1897     dispex_prop_t *prop;
1898     HRESULT hres;
1899
1900     if(jsdisp->extensible && (flags & fdexNameEnsure))
1901         hres = ensure_prop_name(jsdisp, name, PROPF_ENUMERABLE | PROPF_CONFIGURABLE | PROPF_WRITABLE,
1902                                 &prop);
1903     else
1904         hres = find_prop_name_prot(jsdisp, string_hash(name), name, &prop);
1905     if(FAILED(hres))
1906         return hres;
1907
1908     if(prop && prop->type!=PROP_DELETED) {
1909         *id = prop_to_id(jsdisp, prop);
1910         return S_OK;
1911     }
1912
1913     TRACE("not found %s\n", debugstr_w(name));
1914     *id = DISPID_UNKNOWN;
1915     return DISP_E_UNKNOWNNAME;
1916 }
1917
1918 HRESULT jsdisp_call_value(jsdisp_t *jsfunc, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1919 {
1920     HRESULT hres;
1921
1922     assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
1923
1924     if(is_class(jsfunc, JSCLASS_FUNCTION)) {
1925         hres = Function_invoke(jsfunc, jsthis, flags, argc, argv, r);
1926     }else {
1927         vdisp_t vdisp;
1928
1929         if(!jsfunc->builtin_info->value_prop.invoke) {
1930             WARN("Not a function\n");
1931             return JS_E_FUNCTION_EXPECTED;
1932         }
1933
1934         set_disp(&vdisp, jsthis);
1935         flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
1936         hres = jsfunc->builtin_info->value_prop.invoke(jsfunc->ctx, &vdisp, flags, argc, argv, r);
1937         vdisp_release(&vdisp);
1938     }
1939     return hres;
1940 }
1941
1942 HRESULT jsdisp_call(jsdisp_t *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1943 {
1944     dispex_prop_t *prop;
1945
1946     prop = get_prop(disp, id);
1947     if(!prop)
1948         return DISP_E_MEMBERNOTFOUND;
1949
1950     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1951 }
1952
1953 HRESULT jsdisp_call_name(jsdisp_t *disp, const WCHAR *name, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
1954 {
1955     dispex_prop_t *prop;
1956     HRESULT hres;
1957
1958     hres = find_prop_name_prot(disp, string_hash(name), name, &prop);
1959     if(FAILED(hres))
1960         return hres;
1961
1962     return invoke_prop_func(disp, to_disp(disp), prop, flags, argc, argv, r, NULL);
1963 }
1964
1965 static HRESULT disp_invoke(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, DISPPARAMS *params, VARIANT *r)
1966 {
1967     IDispatchEx *dispex;
1968     EXCEPINFO ei;
1969     HRESULT hres;
1970
1971     memset(&ei, 0, sizeof(ei));
1972     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
1973     if(SUCCEEDED(hres)) {
1974         hres = IDispatchEx_InvokeEx(dispex, id, ctx->lcid, flags, params, r, &ei, &ctx->jscaller->IServiceProvider_iface);
1975         IDispatchEx_Release(dispex);
1976     }else {
1977         UINT err = 0;
1978
1979         if(flags == DISPATCH_CONSTRUCT) {
1980             WARN("IDispatch cannot be constructor\n");
1981             return DISP_E_MEMBERNOTFOUND;
1982         }
1983
1984         if(params->cNamedArgs == 1 && params->rgdispidNamedArgs[0] == DISPID_THIS) {
1985             params->cNamedArgs = 0;
1986             params->rgdispidNamedArgs = NULL;
1987             params->cArgs--;
1988             params->rgvarg++;
1989         }
1990
1991         TRACE("using IDispatch\n");
1992         hres = IDispatch_Invoke(disp, id, &IID_NULL, ctx->lcid, flags, params, r, &ei, &err);
1993     }
1994
1995     if(hres == DISP_E_EXCEPTION) {
1996         TRACE("DISP_E_EXCEPTION: %08x %s %s\n", ei.scode, debugstr_w(ei.bstrSource), debugstr_w(ei.bstrDescription));
1997         reset_ei(ctx->ei);
1998         ctx->ei->error = (SUCCEEDED(ei.scode) || ei.scode == DISP_E_EXCEPTION) ? E_FAIL : ei.scode;
1999         if(ei.bstrSource)
2000             ctx->ei->source = jsstr_alloc_len(ei.bstrSource, SysStringLen(ei.bstrSource));
2001         if(ei.bstrDescription)
2002             ctx->ei->message = jsstr_alloc_len(ei.bstrDescription, SysStringLen(ei.bstrDescription));
2003         SysFreeString(ei.bstrSource);
2004         SysFreeString(ei.bstrDescription);
2005         SysFreeString(ei.bstrHelpFile);
2006     }
2007
2008     return hres;
2009 }
2010
2011 HRESULT disp_call(script_ctx_t *ctx, IDispatch *disp, DISPID id, WORD flags, unsigned argc, jsval_t *argv, jsval_t *ret)
2012 {
2013     VARIANT buf[6], retv;
2014     jsdisp_t *jsdisp;
2015     DISPPARAMS dp;
2016     unsigned i;
2017     HRESULT hres;
2018
2019     jsdisp = iface_to_jsdisp(disp);
2020     if(jsdisp && jsdisp->ctx == ctx) {
2021         if(flags & DISPATCH_PROPERTYPUT) {
2022             FIXME("disp_call(propput) on builtin object\n");
2023             return E_FAIL;
2024         }
2025
2026         if(ctx != jsdisp->ctx)
2027             flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
2028         hres = jsdisp_call(jsdisp, id, flags, argc, argv, ret);
2029         jsdisp_release(jsdisp);
2030         return hres;
2031     }
2032
2033     flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
2034     if(ret && argc)
2035         flags |= DISPATCH_PROPERTYGET;
2036
2037     dp.cArgs = argc;
2038
2039     if(flags & DISPATCH_PROPERTYPUT) {
2040         static DISPID propput_dispid = DISPID_PROPERTYPUT;
2041
2042         dp.cNamedArgs = 1;
2043         dp.rgdispidNamedArgs = &propput_dispid;
2044     }else {
2045         dp.cNamedArgs = 0;
2046         dp.rgdispidNamedArgs = NULL;
2047     }
2048
2049     if(dp.cArgs > ARRAY_SIZE(buf)) {
2050         dp.rgvarg = heap_alloc(argc*sizeof(VARIANT));
2051         if(!dp.rgvarg)
2052             return E_OUTOFMEMORY;
2053     }else {
2054         dp.rgvarg = buf;
2055     }
2056
2057     for(i=0; i<argc; i++) {
2058         hres = jsval_to_variant(argv[i], dp.rgvarg+argc-i-1);
2059         if(FAILED(hres)) {
2060             while(i--)
2061                 VariantClear(dp.rgvarg+argc-i-1);
2062             if(dp.rgvarg != buf)
2063                 heap_free(dp.rgvarg);
2064             return hres;
2065         }
2066     }
2067
2068     V_VT(&retv) = VT_EMPTY;
2069     hres = disp_invoke(ctx, disp, id, flags, &dp, ret ? &retv : NULL);
2070
2071     for(i=0; i<argc; i++)
2072         VariantClear(dp.rgvarg+argc-i-1);
2073     if(dp.rgvarg != buf)
2074         heap_free(dp.rgvarg);
2075
2076     if(SUCCEEDED(hres) && ret)
2077         hres = variant_to_jsval(&retv, ret);
2078     VariantClear(&retv);
2079     return hres;
2080 }
2081
2082 HRESULT disp_call_value(script_ctx_t *ctx, IDispatch *disp, IDispatch *jsthis, WORD flags, unsigned argc, jsval_t *argv,
2083         jsval_t *r)
2084 {
2085     VARIANT buf[6], retv, *args = buf;
2086     jsdisp_t *jsdisp;
2087     DISPPARAMS dp;
2088     unsigned i;
2089     HRESULT hres = S_OK;
2090
2091     static DISPID this_id = DISPID_THIS;
2092
2093     assert(!(flags & ~(DISPATCH_METHOD|DISPATCH_CONSTRUCT|DISPATCH_JSCRIPT_INTERNAL_MASK)));
2094
2095     jsdisp = iface_to_jsdisp(disp);
2096     if(jsdisp && jsdisp->ctx == ctx) {
2097         if(ctx != jsdisp->ctx)
2098             flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
2099         hres = jsdisp_call_value(jsdisp, jsthis, flags, argc, argv, r);
2100         jsdisp_release(jsdisp);
2101         return hres;
2102     }
2103
2104     flags &= ~DISPATCH_JSCRIPT_INTERNAL_MASK;
2105     if(r && argc && flags == DISPATCH_METHOD)
2106         flags |= DISPATCH_PROPERTYGET;
2107
2108     if(jsthis) {
2109         dp.cArgs = argc + 1;
2110         dp.cNamedArgs = 1;
2111         dp.rgdispidNamedArgs = &this_id;
2112     }else {
2113         dp.cArgs = argc;
2114         dp.cNamedArgs = 0;
2115         dp.rgdispidNamedArgs = NULL;
2116     }
2117
2118     if(dp.cArgs > ARRAY_SIZE(buf) && !(args = heap_alloc(dp.cArgs * sizeof(VARIANT))))
2119         return E_OUTOFMEMORY;
2120     dp.rgvarg = args;
2121
2122     if(jsthis) {
2123         V_VT(dp.rgvarg) = VT_DISPATCH;
2124         V_DISPATCH(dp.rgvarg) = jsthis;
2125     }
2126
2127     for(i=0; SUCCEEDED(hres) && i < argc; i++)
2128         hres = jsval_to_variant(argv[i], dp.rgvarg+dp.cArgs-i-1);
2129
2130     if(SUCCEEDED(hres)) {
2131         V_VT(&retv) = VT_EMPTY;
2132         hres = disp_invoke(ctx, disp, DISPID_VALUE, flags, &dp, r ? &retv : NULL);
2133     }
2134
2135     for(i = 0; i < argc; i++)
2136         VariantClear(dp.rgvarg + dp.cArgs - i - 1);
2137     if(args != buf)
2138         heap_free(args);
2139
2140     if(!r)
2141         return S_OK;
2142
2143     hres = variant_to_jsval(&retv, r);
2144     VariantClear(&retv);
2145     return hres;
2146 }
2147
2148 HRESULT jsdisp_propput(jsdisp_t *obj, const WCHAR *name, DWORD flags, jsval_t val)
2149 {
2150     dispex_prop_t *prop;
2151     HRESULT hres;
2152
2153     if(obj->extensible)
2154         hres = ensure_prop_name(obj, name, flags, &prop);
2155     else
2156         hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
2157     if(FAILED(hres) || !prop)
2158         return hres;
2159
2160     return prop_put(obj, prop, val);
2161 }
2162
2163 HRESULT jsdisp_propput_name(jsdisp_t *obj, const WCHAR *name, jsval_t val)
2164 {
2165     return jsdisp_propput(obj, name, PROPF_ENUMERABLE | PROPF_CONFIGURABLE | PROPF_WRITABLE, val);
2166 }
2167
2168 HRESULT jsdisp_propput_idx(jsdisp_t *obj, DWORD idx, jsval_t val)
2169 {
2170     WCHAR buf[12];
2171
2172     swprintf(buf, ARRAY_SIZE(buf), L"%d", idx);
2173     return jsdisp_propput_name(obj, buf, val);
2174 }
2175
2176 HRESULT disp_propput(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t val)
2177 {
2178     jsdisp_t *jsdisp;
2179     HRESULT hres;
2180
2181     jsdisp = iface_to_jsdisp(disp);
2182     if(jsdisp && jsdisp->ctx == ctx) {
2183         dispex_prop_t *prop;
2184
2185         prop = get_prop(jsdisp, id);
2186         if(prop)
2187             hres = prop_put(jsdisp, prop, val);
2188         else
2189             hres = DISP_E_MEMBERNOTFOUND;
2190
2191         jsdisp_release(jsdisp);
2192     }else {
2193         DISPID dispid = DISPID_PROPERTYPUT;
2194         DWORD flags = DISPATCH_PROPERTYPUT;
2195         VARIANT var;
2196         DISPPARAMS dp  = {&var, &dispid, 1, 1};
2197
2198         hres = jsval_to_variant(val, &var);
2199         if(FAILED(hres))
2200             return hres;
2201
2202         if(V_VT(&var) == VT_DISPATCH)
2203             flags |= DISPATCH_PROPERTYPUTREF;
2204
2205         hres = disp_invoke(ctx, disp, id, flags, &dp, NULL);
2206         VariantClear(&var);
2207     }
2208
2209     return hres;
2210 }
2211
2212 HRESULT disp_propput_name(script_ctx_t *ctx, IDispatch *disp, const WCHAR *name, jsval_t val)
2213 {
2214     jsdisp_t *jsdisp;
2215     HRESULT hres;
2216
2217     jsdisp = iface_to_jsdisp(disp);
2218     if(!jsdisp || jsdisp->ctx != ctx) {
2219         IDispatchEx *dispex;
2220         BSTR str;
2221         DISPID id;
2222
2223         if(!(str = SysAllocString(name)))
2224             return E_OUTOFMEMORY;
2225
2226         hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
2227         if(SUCCEEDED(hres)) {
2228             hres = IDispatchEx_GetDispID(dispex, str, make_grfdex(ctx, fdexNameEnsure|fdexNameCaseSensitive), &id);
2229             IDispatchEx_Release(dispex);
2230         }else {
2231             TRACE("using IDispatch\n");
2232             hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &str, 1, 0, &id);
2233         }
2234         SysFreeString(str);
2235         if(FAILED(hres))
2236             return hres;
2237
2238         return disp_propput(ctx, disp, id, val);
2239     }
2240
2241     return jsdisp_propput_name(jsdisp, name, val);
2242 }
2243
2244 HRESULT jsdisp_propget_name(jsdisp_t *obj, const WCHAR *name, jsval_t *val)
2245 {
2246     dispex_prop_t *prop;
2247     HRESULT hres;
2248
2249     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
2250     if(FAILED(hres))
2251         return hres;
2252
2253     if(!prop || prop->type==PROP_DELETED) {
2254         *val = jsval_undefined();
2255         return S_OK;
2256     }
2257
2258     return prop_get(obj, prop, val);
2259 }
2260
2261 HRESULT jsdisp_get_idx(jsdisp_t *obj, DWORD idx, jsval_t *r)
2262 {
2263     WCHAR name[12];
2264     dispex_prop_t *prop;
2265     HRESULT hres;
2266
2267     swprintf(name, ARRAY_SIZE(name), L"%d", idx);
2268
2269     hres = find_prop_name_prot(obj, string_hash(name), name, &prop);
2270     if(FAILED(hres))
2271         return hres;
2272
2273     if(!prop || prop->type==PROP_DELETED) {
2274         *r = jsval_undefined();
2275         return DISP_E_UNKNOWNNAME;
2276     }
2277
2278     return prop_get(obj, prop, r);
2279 }
2280
2281 HRESULT jsdisp_propget(jsdisp_t *jsdisp, DISPID id, jsval_t *val)
2282 {
2283     dispex_prop_t *prop;
2284
2285     prop = get_prop(jsdisp, id);
2286     if(!prop)
2287         return DISP_E_MEMBERNOTFOUND;
2288
2289     return prop_get(jsdisp, prop, val);
2290 }
2291
2292 HRESULT disp_propget(script_ctx_t *ctx, IDispatch *disp, DISPID id, jsval_t *val)
2293 {
2294     DISPPARAMS dp  = {NULL,NULL,0,0};
2295     jsdisp_t *jsdisp;
2296     VARIANT var;
2297     HRESULT hres;
2298
2299     jsdisp = iface_to_jsdisp(disp);
2300     if(jsdisp && jsdisp->ctx == ctx) {
2301         hres = jsdisp_propget(jsdisp, id, val);
2302         jsdisp_release(jsdisp);
2303         return hres;
2304     }
2305
2306     V_VT(&var) = VT_EMPTY;
2307     hres = disp_invoke(ctx, disp, id, INVOKE_PROPERTYGET, &dp, &var);
2308     if(SUCCEEDED(hres)) {
2309         hres = variant_to_jsval(&var, val);
2310         VariantClear(&var);
2311     }
2312     return hres;
2313 }
2314
2315 HRESULT jsdisp_delete_idx(jsdisp_t *obj, DWORD idx)
2316 {
2317     WCHAR buf[12];
2318     dispex_prop_t *prop;
2319     BOOL b;
2320     HRESULT hres;
2321
2322     swprintf(buf, ARRAY_SIZE(buf), L"%d", idx);
2323
2324     hres = find_prop_name(obj, string_hash(buf), buf, &prop);
2325     if(FAILED(hres) || !prop)
2326         return hres;
2327
2328     return delete_prop(prop, &b);
2329 }
2330
2331 HRESULT disp_delete(IDispatch *disp, DISPID id, BOOL *ret)
2332 {
2333     IDispatchEx *dispex;
2334     jsdisp_t *jsdisp;
2335     HRESULT hres;
2336
2337     jsdisp = iface_to_jsdisp(disp);
2338     if(jsdisp) {
2339         dispex_prop_t *prop;
2340
2341         prop = get_prop(jsdisp, id);
2342         if(prop)
2343             hres = delete_prop(prop, ret);
2344         else
2345             hres = DISP_E_MEMBERNOTFOUND;
2346
2347         jsdisp_release(jsdisp);
2348         return hres;
2349     }
2350
2351     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
2352     if(FAILED(hres)) {
2353         *ret = FALSE;
2354         return S_OK;
2355     }
2356
2357     hres = IDispatchEx_DeleteMemberByDispID(dispex, id);
2358     IDispatchEx_Release(dispex);
2359     if(FAILED(hres))
2360         return hres;
2361
2362     *ret = hres == S_OK;
2363     return S_OK;
2364 }
2365
2366 HRESULT jsdisp_next_prop(jsdisp_t *obj, DISPID id, BOOL own_only, DISPID *ret)
2367 {
2368     dispex_prop_t *iter;
2369     HRESULT hres;
2370
2371     if(id == DISPID_STARTENUM && !own_only) {
2372         hres = fill_protrefs(obj);
2373         if(FAILED(hres))
2374             return hres;
2375     }
2376
2377     if(id + 1 < 0 || id+1 >= obj->prop_cnt)
2378         return S_FALSE;
2379
2380     for(iter = &obj->props[id + 1]; iter < obj->props + obj->prop_cnt; iter++) {
2381         if(!iter->name || iter->type == PROP_DELETED)
2382             continue;
2383         if(own_only && iter->type == PROP_PROTREF)
2384             continue;
2385         if(!(get_flags(obj, iter) & PROPF_ENUMERABLE))
2386             continue;
2387         *ret = prop_to_id(obj, iter);
2388         return S_OK;
2389     }
2390
2391     return S_FALSE;
2392 }
2393
2394 HRESULT disp_delete_name(script_ctx_t *ctx, IDispatch *disp, jsstr_t *name, BOOL *ret)
2395 {
2396     IDispatchEx *dispex;
2397     jsdisp_t *jsdisp;
2398     BSTR bstr;
2399     HRESULT hres;
2400
2401     jsdisp = iface_to_jsdisp(disp);
2402     if(jsdisp) {
2403         dispex_prop_t *prop;
2404         const WCHAR *ptr;
2405
2406         ptr = jsstr_flatten(name);
2407         if(!ptr) {
2408             jsdisp_release(jsdisp);
2409             return E_OUTOFMEMORY;
2410         }
2411
2412         hres = find_prop_name(jsdisp, string_hash(ptr), ptr, &prop);
2413         if(prop) {
2414             hres = delete_prop(prop, ret);
2415         }else {
2416             *ret = TRUE;
2417             hres = S_OK;
2418         }
2419
2420         jsdisp_release(jsdisp);
2421         return hres;
2422     }
2423
2424     bstr = SysAllocStringLen(NULL, jsstr_length(name));
2425     if(!bstr)
2426         return E_OUTOFMEMORY;
2427     jsstr_flush(name, bstr);
2428
2429     hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex);
2430     if(SUCCEEDED(hres)) {
2431         hres = IDispatchEx_DeleteMemberByName(dispex, bstr, make_grfdex(ctx, fdexNameCaseSensitive));
2432         if(SUCCEEDED(hres))
2433             *ret = hres == S_OK;
2434         IDispatchEx_Release(dispex);
2435     }else {
2436         DISPID id;
2437
2438         hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &bstr, 1, 0, &id);
2439         if(SUCCEEDED(hres)) {
2440             /* Property exists and we can't delete it from pure IDispatch interface, so return false. */
2441             *ret = FALSE;
2442         }else if(hres == DISP_E_UNKNOWNNAME) {
2443             /* Property doesn't exist, so nothing to delete */
2444             *ret = TRUE;
2445             hres = S_OK;
2446         }
2447     }
2448
2449     SysFreeString(bstr);
2450     return hres;
2451 }
2452
2453 HRESULT jsdisp_get_own_property(jsdisp_t *obj, const WCHAR *name, BOOL flags_only,
2454                                 property_desc_t *desc)
2455 {
2456     dispex_prop_t *prop;
2457     HRESULT hres;
2458
2459     hres = find_prop_name(obj, string_hash(name), name, &prop);
2460     if(FAILED(hres))
2461         return hres;
2462
2463     if(!prop)
2464         return DISP_E_UNKNOWNNAME;
2465
2466     memset(desc, 0, sizeof(*desc));
2467
2468     switch(prop->type) {
2469     case PROP_BUILTIN:
2470     case PROP_JSVAL:
2471         desc->mask |= PROPF_WRITABLE;
2472         desc->explicit_value = TRUE;
2473         if(!flags_only) {
2474             hres = prop_get(obj, prop, &desc->value);
2475             if(FAILED(hres))
2476                 return hres;
2477         }
2478         break;
2479     case PROP_ACCESSOR:
2480         desc->explicit_getter = desc->explicit_setter = TRUE;
2481         if(!flags_only) {
2482             desc->getter = prop->u.accessor.getter
2483                 ? jsdisp_addref(prop->u.accessor.getter) : NULL;
2484             desc->setter = prop->u.accessor.setter
2485                 ? jsdisp_addref(prop->u.accessor.setter) : NULL;
2486         }
2487         break;
2488     default:
2489         return DISP_E_UNKNOWNNAME;
2490     }
2491
2492     desc->flags = prop->flags & (PROPF_ENUMERABLE | PROPF_WRITABLE | PROPF_CONFIGURABLE);
2493     desc->mask |= PROPF_ENUMERABLE | PROPF_CONFIGURABLE;
2494     return S_OK;
2495 }
2496
2497 HRESULT jsdisp_define_property(jsdisp_t *obj, const WCHAR *name, property_desc_t *desc)
2498 {
2499     dispex_prop_t *prop;
2500     HRESULT hres;
2501
2502     hres = find_prop_name(obj, string_hash(name), name, &prop);
2503     if(FAILED(hres))
2504         return hres;
2505
2506     if((!prop || prop->type == PROP_DELETED) && !obj->extensible)
2507         return throw_error(obj->ctx, JS_E_OBJECT_NONEXTENSIBLE, name);
2508
2509     if(!prop && !(prop = alloc_prop(obj, name, PROP_DELETED, 0)))
2510        return E_OUTOFMEMORY;
2511
2512     if(prop->type == PROP_DELETED || prop->type == PROP_PROTREF) {
2513         prop->flags = desc->flags;
2514         if(desc->explicit_getter || desc->explicit_setter) {
2515             prop->type = PROP_ACCESSOR;
2516             prop->u.accessor.getter = desc->getter ? jsdisp_addref(desc->getter) : NULL;
2517             prop->u.accessor.setter = desc->setter ? jsdisp_addref(desc->setter) : NULL;
2518             TRACE("%s = accessor { get: %p set: %p }\n", debugstr_w(name),
2519                   prop->u.accessor.getter, prop->u.accessor.setter);
2520         }else {
2521             prop->type = PROP_JSVAL;
2522             if(desc->explicit_value) {
2523                 hres = jsval_copy(desc->value, &prop->u.val);
2524                 if(FAILED(hres))
2525                     return hres;
2526             }else {
2527                 prop->u.val = jsval_undefined();
2528             }
2529             TRACE("%s = %s\n", debugstr_w(name), debugstr_jsval(prop->u.val));
2530         }
2531         return S_OK;
2532     }
2533
2534     TRACE("existing prop %s prop flags %x desc flags %x desc mask %x\n", debugstr_w(name),
2535           prop->flags, desc->flags, desc->mask);
2536
2537     if(!(prop->flags & PROPF_CONFIGURABLE)) {
2538         if(((desc->mask & PROPF_CONFIGURABLE) && (desc->flags & PROPF_CONFIGURABLE))
2539            || ((desc->mask & PROPF_ENUMERABLE)
2540                && ((desc->flags & PROPF_ENUMERABLE) != (prop->flags & PROPF_ENUMERABLE))))
2541             return throw_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
2542     }
2543
2544     if(desc->explicit_value || (desc->mask & PROPF_WRITABLE)) {
2545         if(prop->type == PROP_ACCESSOR) {
2546             if(!(prop->flags & PROPF_CONFIGURABLE))
2547                 return throw_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
2548             if(prop->u.accessor.getter)
2549                 jsdisp_release(prop->u.accessor.getter);
2550             if(prop->u.accessor.setter)
2551                 jsdisp_release(prop->u.accessor.setter);
2552
2553             prop->type = PROP_JSVAL;
2554             hres = jsval_copy(desc->value, &prop->u.val);
2555             if(FAILED(hres)) {
2556                 prop->u.val = jsval_undefined();
2557                 return hres;
2558             }
2559         }else {
2560             if(!(prop->flags & PROPF_CONFIGURABLE) && !(prop->flags & PROPF_WRITABLE)) {
2561                 if((desc->mask & PROPF_WRITABLE) && (desc->flags & PROPF_WRITABLE))
2562                     return throw_error(obj->ctx, JS_E_NONWRITABLE_MODIFIED, name);
2563                 if(desc->explicit_value) {
2564                     if(prop->type == PROP_JSVAL) {
2565                         BOOL eq;
2566                         hres = jsval_strict_equal(desc->value, prop->u.val, &eq);
2567                         if(FAILED(hres))
2568                             return hres;
2569                         if(!eq)
2570                             return throw_error(obj->ctx, JS_E_NONWRITABLE_MODIFIED, name);
2571                     }else {
2572                         FIXME("redefinition of property type %d\n", prop->type);
2573                     }
2574                 }
2575             }
2576             if(desc->explicit_value) {
2577                 if(prop->type == PROP_JSVAL)
2578                     jsval_release(prop->u.val);
2579                 else
2580                     prop->type = PROP_JSVAL;
2581                 hres = jsval_copy(desc->value, &prop->u.val);
2582                 if(FAILED(hres)) {
2583                     prop->u.val = jsval_undefined();
2584                     return hres;
2585                 }
2586             }
2587         }
2588     }else if(desc->explicit_getter || desc->explicit_setter) {
2589         if(prop->type != PROP_ACCESSOR) {
2590             if(!(prop->flags & PROPF_CONFIGURABLE))
2591                 return throw_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
2592             if(prop->type == PROP_JSVAL)
2593                 jsval_release(prop->u.val);
2594             prop->type = PROP_ACCESSOR;
2595             prop->u.accessor.getter = prop->u.accessor.setter = NULL;
2596         }else if(!(prop->flags & PROPF_CONFIGURABLE)) {
2597             if((desc->explicit_getter && desc->getter != prop->u.accessor.getter)
2598                || (desc->explicit_setter && desc->setter != prop->u.accessor.setter))
2599                 return throw_error(obj->ctx, JS_E_NONCONFIGURABLE_REDEFINED, name);
2600         }
2601
2602         if(desc->explicit_getter) {
2603             if(prop->u.accessor.getter) {
2604                 jsdisp_release(prop->u.accessor.getter);
2605                 prop->u.accessor.getter = NULL;
2606             }
2607             if(desc->getter)
2608                 prop->u.accessor.getter = jsdisp_addref(desc->getter);
2609         }
2610         if(desc->explicit_setter) {
2611             if(prop->u.accessor.setter) {
2612                 jsdisp_release(prop->u.accessor.setter);
2613                 prop->u.accessor.setter = NULL;
2614             }
2615             if(desc->setter)
2616                 prop->u.accessor.setter = jsdisp_addref(desc->setter);
2617         }
2618     }
2619
2620     prop->flags = (prop->flags & ~desc->mask) | (desc->flags & desc->mask);
2621     return S_OK;
2622 }
2623
2624 HRESULT jsdisp_define_data_property(jsdisp_t *obj, const WCHAR *name, unsigned flags, jsval_t value)
2625 {
2626     property_desc_t prop_desc = { flags, flags, TRUE };
2627     prop_desc.value = value;
2628     return jsdisp_define_property(obj, name, &prop_desc);
2629 }
2630
2631 HRESULT jsdisp_get_prop_name(jsdisp_t *obj, DISPID id, jsstr_t **r)
2632 {
2633     dispex_prop_t *prop = get_prop(obj, id);
2634
2635     if(!prop || !prop->name || prop->type == PROP_DELETED)
2636         return DISP_E_MEMBERNOTFOUND;
2637
2638     *r = jsstr_alloc(prop->name);
2639     return *r ? S_OK : E_OUTOFMEMORY;
2640 }