dlls/jscript/array.c

   1 /*
   2  * Copyright 2008 Jacek Caban for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "jscript.h"
  20
  21 #include "wine/debug.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  24
  25 typedef struct {
  26     DispatchEx dispex;
  27
  28     DWORD length;
  29 } ArrayInstance;
  30
  31 static const WCHAR lengthW[] = {'l','e','n','g','t','h',0};
  32 static const WCHAR concatW[] = {'c','o','n','c','a','t',0};
  33 static const WCHAR joinW[] = {'j','o','i','n',0};
  34 static const WCHAR popW[] = {'p','o','p',0};
  35 static const WCHAR pushW[] = {'p','u','s','h',0};
  36 static const WCHAR reverseW[] = {'r','e','v','e','r','s','e',0};
  37 static const WCHAR shiftW[] = {'s','h','i','f','t',0};
  38 static const WCHAR sliceW[] = {'s','l','i','c','e',0};
  39 static const WCHAR sortW[] = {'s','o','r','t',0};
  40 static const WCHAR spliceW[] = {'s','p','l','i','c','e',0};
  41 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
  42 static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
  43 static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
  44 static const WCHAR unshiftW[] = {'u','n','s','h','i','f','t',0};
  45 static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
  46 static const WCHAR propertyIsEnumerableW[] =
  47     {'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
  48 static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
  49
  50 const WCHAR default_separatorW[] = {',',0};
  51
  52 static HRESULT Array_length(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  53         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  54 {
  55     ArrayInstance *This = (ArrayInstance*)dispex;
  56
  57     TRACE("%p %d\n", This, This->length);
  58
  59     switch(flags) {
  60     case DISPATCH_PROPERTYGET:
  61         V_VT(retv) = VT_I4;
  62         V_I4(retv) = This->length;
  63         break;
  64     default:
  65         FIXME("unimplemented flags %x\n", flags);
  66         return E_NOTIMPL;
  67     }
  68
  69     return S_OK;
  70 }
  71
  72 static HRESULT concat_array(DispatchEx *array, ArrayInstance *obj, DWORD *len, LCID lcid,
  73         jsexcept_t *ei, IServiceProvider *caller)
  74 {
  75     VARIANT var;
  76     DWORD i;
  77     HRESULT hres;
  78
  79     for(i=0; i < obj->length; i++) {
  80         hres = jsdisp_propget_idx(&obj->dispex, i, lcid, &var, ei, caller);
  81         if(hres == DISP_E_UNKNOWNNAME)
  82             continue;
  83         if(FAILED(hres))
  84             return hres;
  85
  86         hres = jsdisp_propput_idx(array, *len+i, lcid, &var, ei, caller);
  87         VariantClear(&var);
  88         if(FAILED(hres))
  89             return hres;
  90     }
  91
  92     *len += obj->length;
  93     return S_OK;
  94 }
  95
  96 static HRESULT concat_obj(DispatchEx *array, IDispatch *obj, DWORD *len, LCID lcid, jsexcept_t *ei, IServiceProvider *caller)
  97 {
  98     DispatchEx *jsobj;
  99     VARIANT var;
 100     HRESULT hres;
 101
 102     jsobj = iface_to_jsdisp((IUnknown*)obj);
 103     if(jsobj) {
 104         if(is_class(jsobj, JSCLASS_ARRAY)) {
 105             hres = concat_array(array, (ArrayInstance*)jsobj, len, lcid, ei, caller);
 106             jsdisp_release(jsobj);
 107             return hres;
 108         }
 109         jsdisp_release(jsobj);
 110     }
 111
 112     V_VT(&var) = VT_DISPATCH;
 113     V_DISPATCH(&var) = obj;
 114     return jsdisp_propput_idx(array, (*len)++, lcid, &var, ei, caller);
 115 }
 116
 117 static HRESULT Array_concat(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 118         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 119 {
 120     DispatchEx *ret;
 121     DWORD len = 0;
 122     HRESULT hres;
 123
 124     TRACE("\n");
 125
 126     hres = create_array(dispex->ctx, 0, &ret);
 127     if(FAILED(hres))
 128         return hres;
 129
 130     hres = concat_obj(ret, (IDispatch*)_IDispatchEx_(dispex), &len, lcid, ei, caller);
 131     if(SUCCEEDED(hres)) {
 132         VARIANT *arg;
 133         DWORD i;
 134
 135         for(i=0; i < arg_cnt(dp); i++) {
 136             arg = get_arg(dp, i);
 137             if(V_VT(arg) == VT_DISPATCH)
 138                 hres = concat_obj(ret, V_DISPATCH(arg), &len, lcid, ei, caller);
 139             else
 140                 hres = jsdisp_propput_idx(ret, len++, lcid, arg, ei, caller);
 141             if(FAILED(hres))
 142                 break;
 143         }
 144     }
 145
 146     if(FAILED(hres))
 147         return hres;
 148
 149     if(retv) {
 150         V_VT(retv) = VT_DISPATCH;
 151         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(ret);
 152     }else {
 153         jsdisp_release(ret);
 154     }
 155     return S_OK;
 156 }
 157
 158 static HRESULT array_join(DispatchEx *array, LCID lcid, DWORD length, const WCHAR *sep, VARIANT *retv,
 159         jsexcept_t *ei, IServiceProvider *caller)
 160 {
 161     BSTR *str_tab, ret = NULL;
 162     VARIANT var;
 163     DWORD i;
 164     HRESULT hres = E_FAIL;
 165
 166     if(!length) {
 167         if(retv) {
 168             V_VT(retv) = VT_BSTR;
 169             V_BSTR(retv) = SysAllocStringLen(NULL, 0);
 170             if(!V_BSTR(retv))
 171                 return E_OUTOFMEMORY;
 172         }
 173         return S_OK;
 174     }
 175
 176     str_tab = heap_alloc_zero(length * sizeof(BSTR));
 177     if(!str_tab)
 178         return E_OUTOFMEMORY;
 179
 180     for(i=0; i < length; i++) {
 181         hres = jsdisp_propget_idx(array, i, lcid, &var, ei, caller);
 182         if(FAILED(hres))
 183             break;
 184
 185         if(V_VT(&var) != VT_EMPTY && V_VT(&var) != VT_NULL)
 186             hres = to_string(array->ctx, &var, ei, str_tab+i);
 187         VariantClear(&var);
 188         if(FAILED(hres))
 189             break;
 190     }
 191
 192     if(SUCCEEDED(hres)) {
 193         DWORD seplen = 0, len = 0;
 194         WCHAR *ptr;
 195
 196         seplen = strlenW(sep);
 197
 198         if(str_tab[0])
 199             len = SysStringLen(str_tab[0]);
 200         for(i=1; i < length; i++)
 201             len += seplen + SysStringLen(str_tab[i]);
 202
 203         ret = SysAllocStringLen(NULL, len);
 204         if(ret) {
 205             DWORD tmplen = 0;
 206
 207             if(str_tab[0]) {
 208                 tmplen = SysStringLen(str_tab[0]);
 209                 memcpy(ret, str_tab[0], tmplen*sizeof(WCHAR));
 210             }
 211
 212             ptr = ret + tmplen;
 213             for(i=1; i < length; i++) {
 214                 if(seplen) {
 215                     memcpy(ptr, sep, seplen*sizeof(WCHAR));
 216                     ptr += seplen;
 217                 }
 218
 219                 if(str_tab[i]) {
 220                     tmplen = SysStringLen(str_tab[i]);
 221                     memcpy(ptr, str_tab[i], tmplen*sizeof(WCHAR));
 222                     ptr += tmplen;
 223                 }
 224             }
 225             *ptr=0;
 226         }else {
 227             hres = E_OUTOFMEMORY;
 228         }
 229     }
 230
 231     for(i=0; i < length; i++)
 232         SysFreeString(str_tab[i]);
 233     heap_free(str_tab);
 234     if(FAILED(hres))
 235         return hres;
 236
 237     TRACE("= %s\n", debugstr_w(ret));
 238
 239     if(retv) {
 240         if(!ret) {
 241             ret = SysAllocStringLen(NULL, 0);
 242             if(!ret)
 243                 return E_OUTOFMEMORY;
 244         }
 245
 246         V_VT(retv) = VT_BSTR;
 247         V_BSTR(retv) = ret;
 248     }else {
 249         SysFreeString(ret);
 250     }
 251
 252     return S_OK;
 253 }
 254
 255 /* ECMA-262 3rd Edition    15.4.4.5 */
 256 static HRESULT Array_join(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 257         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 258 {
 259     DWORD length;
 260     HRESULT hres;
 261
 262     TRACE("\n");
 263
 264     if(is_class(dispex, JSCLASS_ARRAY)) {
 265         length = ((ArrayInstance*)dispex)->length;
 266     }else {
 267         FIXME("dispid is not Array\n");
 268         return E_NOTIMPL;
 269     }
 270
 271     if(arg_cnt(dp)) {
 272         BSTR sep;
 273
 274         hres = to_string(dispex->ctx, dp->rgvarg + dp->cArgs-1, ei, &sep);
 275         if(FAILED(hres))
 276             return hres;
 277
 278         hres = array_join(dispex, lcid, length, sep, retv, ei, caller);
 279
 280         SysFreeString(sep);
 281     }else {
 282         hres = array_join(dispex, lcid, length, default_separatorW, retv, ei, caller);
 283     }
 284
 285     return hres;
 286 }
 287
 288 static HRESULT Array_pop(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 289         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 290 {
 291     FIXME("\n");
 292     return E_NOTIMPL;
 293 }
 294
 295 /* ECMA-262 3rd Edition    15.4.4.7 */
 296 static HRESULT Array_push(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 297         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 298 {
 299     DWORD length = 0;
 300     int i, n;
 301     HRESULT hres;
 302
 303     TRACE("\n");
 304
 305     if(dispex->builtin_info->class == JSCLASS_ARRAY) {
 306         length = ((ArrayInstance*)dispex)->length;
 307     }else {
 308         FIXME("not Array this\n");
 309         return E_NOTIMPL;
 310     }
 311
 312     n = dp->cArgs - dp->cNamedArgs;
 313     for(i=0; i < n; i++) {
 314         hres = jsdisp_propput_idx(dispex, length+i, lcid, get_arg(dp, i), ei, sp);
 315         if(FAILED(hres))
 316             return hres;
 317     }
 318
 319     if(retv) {
 320         V_VT(retv) = VT_I4;
 321         V_I4(retv) = length+n;
 322     }
 323     return S_OK;
 324 }
 325
 326 static HRESULT Array_reverse(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 327         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 328 {
 329     FIXME("\n");
 330     return E_NOTIMPL;
 331 }
 332
 333 static HRESULT Array_shift(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 334         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 335 {
 336     FIXME("\n");
 337     return E_NOTIMPL;
 338 }
 339
 340 static HRESULT Array_slice(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 341         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 342 {
 343     FIXME("\n");
 344     return E_NOTIMPL;
 345 }
 346
 347 static HRESULT sort_cmp(script_ctx_t *ctx, DispatchEx *cmp_func, VARIANT *v1, VARIANT *v2, jsexcept_t *ei,
 348         IServiceProvider *caller, INT *cmp)
 349 {
 350     HRESULT hres;
 351
 352     if(cmp_func) {
 353         VARIANTARG args[2];
 354         DISPPARAMS dp = {args, NULL, 2, 0};
 355         VARIANT tmp;
 356         VARIANT res;
 357
 358         args[0] = *v2;
 359         args[1] = *v1;
 360
 361         hres = jsdisp_call_value(cmp_func, ctx->lcid, DISPATCH_METHOD, &dp, &res, ei, caller);
 362         if(FAILED(hres))
 363             return hres;
 364
 365         hres = to_number(ctx, &res, ei, &tmp);
 366         VariantClear(&res);
 367         if(FAILED(hres))
 368             return hres;
 369
 370         if(V_VT(&tmp) == VT_I4)
 371             *cmp = V_I4(&tmp);
 372         else
 373             *cmp = V_R8(&tmp) > 0.0 ? 1 : -1;
 374     }else if(is_num_vt(V_VT(v1))) {
 375         if(is_num_vt(V_VT(v2))) {
 376             DOUBLE d = num_val(v1)-num_val(v2);
 377             if(d > 0.0)
 378                 *cmp = 1;
 379             else if(d < -0.0)
 380                 *cmp = -1;
 381             else
 382                 *cmp = 0;
 383         }else {
 384             *cmp = -1;
 385         }
 386     }else if(is_num_vt(V_VT(v2))) {
 387         *cmp = 1;
 388     }else if(V_VT(v1) == VT_BSTR) {
 389         if(V_VT(v2) == VT_BSTR)
 390             *cmp = strcmpW(V_BSTR(v1), V_BSTR(v2));
 391         else
 392             *cmp = -1;
 393     }else if(V_VT(v2) == VT_BSTR) {
 394         *cmp = 1;
 395     }else {
 396         *cmp = 0;
 397     }
 398
 399     return S_OK;
 400 }
 401
 402 /* ECMA-262 3rd Edition    15.4.4.11 */
 403 static HRESULT Array_sort(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 404         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 405 {
 406     DispatchEx *cmp_func = NULL;
 407     VARIANT *vtab, **sorttab = NULL;
 408     DWORD length;
 409     DWORD i;
 410     HRESULT hres = S_OK;
 411
 412     TRACE("\n");
 413
 414     if(is_class(dispex, JSCLASS_ARRAY)) {
 415         length = ((ArrayInstance*)dispex)->length;
 416     }else {
 417         FIXME("unsupported this not array\n");
 418         return E_NOTIMPL;
 419     }
 420
 421     if(arg_cnt(dp) > 1) {
 422         WARN("invalid arg_cnt %d\n", arg_cnt(dp));
 423         return E_FAIL;
 424     }
 425
 426     if(arg_cnt(dp) == 1) {
 427         VARIANT *arg = get_arg(dp, 0);
 428
 429         if(V_VT(arg) != VT_DISPATCH) {
 430             WARN("arg is not dispatch\n");
 431             return E_FAIL;
 432         }
 433
 434
 435         cmp_func = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg));
 436         if(!is_class(cmp_func, JSCLASS_FUNCTION)) {
 437             WARN("cmp_func is not a function\n");
 438             jsdisp_release(cmp_func);
 439             return E_FAIL;
 440         }
 441     }
 442
 443     if(!length) {
 444         if(cmp_func)
 445             jsdisp_release(cmp_func);
 446         if(retv) {
 447             V_VT(retv) = VT_DISPATCH;
 448             V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(dispex);
 449             IDispatchEx_AddRef(_IDispatchEx_(dispex));
 450         }
 451         return S_OK;
 452     }
 453
 454     vtab = heap_alloc_zero(length * sizeof(VARIANT));
 455     if(vtab) {
 456         for(i=0; i<length; i++) {
 457             hres = jsdisp_propget_idx(dispex, i, lcid, vtab+i, ei, caller);
 458             if(FAILED(hres) && hres != DISP_E_UNKNOWNNAME) {
 459                 WARN("Could not get elem %d: %08x\n", i, hres);
 460                 break;
 461             }
 462         }
 463     }else {
 464         hres = E_OUTOFMEMORY;
 465     }
 466
 467     if(SUCCEEDED(hres)) {
 468         sorttab = heap_alloc(length*2*sizeof(VARIANT*));
 469         if(!sorttab)
 470             hres = E_OUTOFMEMORY;
 471     }
 472
 473     /* merge-sort */
 474     if(SUCCEEDED(hres)) {
 475         VARIANT *tmpv, **tmpbuf;
 476         INT cmp;
 477
 478         tmpbuf = sorttab + length;
 479         for(i=0; i < length; i++)
 480             sorttab[i] = vtab+i;
 481
 482         for(i=0; i < length/2; i++) {
 483             hres = sort_cmp(dispex->ctx, cmp_func, sorttab[2*i+1], sorttab[2*i], ei, caller, &cmp);
 484             if(FAILED(hres))
 485                 break;
 486
 487             if(cmp < 0) {
 488                 tmpv = sorttab[2*i];
 489                 sorttab[2*i] = sorttab[2*i+1];
 490                 sorttab[2*i+1] = tmpv;
 491             }
 492         }
 493
 494         if(SUCCEEDED(hres)) {
 495             DWORD k, a, b, bend;
 496
 497             for(k=2; k < length; k *= 2) {
 498                 for(i=0; i+k < length; i += 2*k) {
 499                     a = b = 0;
 500                     if(i+2*k <= length)
 501                         bend = k;
 502                     else
 503                         bend = length - (i+k);
 504
 505                     memcpy(tmpbuf, sorttab+i, k*sizeof(VARIANT*));
 506
 507                     while(a < k && b < bend) {
 508                         hres = sort_cmp(dispex->ctx, cmp_func, tmpbuf[a], sorttab[i+k+b], ei, caller, &cmp);
 509                         if(FAILED(hres))
 510                             break;
 511
 512                         if(cmp < 0) {
 513                             sorttab[i+a+b] = tmpbuf[a];
 514                             a++;
 515                         }else {
 516                             sorttab[i+a+b] = sorttab[i+k+b];
 517                             b++;
 518                         }
 519                     }
 520
 521                     if(FAILED(hres))
 522                         break;
 523
 524                     if(a < k)
 525                         memcpy(sorttab+i+a+b, tmpbuf+a, (k-a)*sizeof(VARIANT*));
 526                 }
 527
 528                 if(FAILED(hres))
 529                     break;
 530             }
 531         }
 532
 533         for(i=0; SUCCEEDED(hres) && i < length; i++)
 534             hres = jsdisp_propput_idx(dispex, i, lcid, sorttab[i], ei, caller);
 535     }
 536
 537     if(vtab) {
 538         for(i=0; i < length; i++)
 539             VariantClear(vtab+i);
 540         heap_free(vtab);
 541     }
 542     heap_free(sorttab);
 543     if(cmp_func)
 544         jsdisp_release(cmp_func);
 545
 546     if(FAILED(hres))
 547         return hres;
 548
 549     if(retv) {
 550         V_VT(retv) = VT_DISPATCH;
 551         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(dispex);
 552         IDispatch_AddRef(_IDispatchEx_(dispex));
 553     }
 554
 555     return S_OK;
 556 }
 557
 558 static HRESULT Array_splice(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 559         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 560 {
 561     FIXME("\n");
 562     return E_NOTIMPL;
 563 }
 564
 565 /* ECMA-262 3rd Edition    15.4.4.2 */
 566 static HRESULT Array_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 567         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 568 {
 569     TRACE("\n");
 570
 571     if(!is_class(dispex, JSCLASS_ARRAY)) {
 572         WARN("not Array object\n");
 573         return E_FAIL;
 574     }
 575
 576     return array_join(dispex, lcid, ((ArrayInstance*)dispex)->length, default_separatorW, retv, ei, sp);
 577 }
 578
 579 static HRESULT Array_toLocaleString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 580         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 581 {
 582     FIXME("\n");
 583     return E_NOTIMPL;
 584 }
 585
 586 static HRESULT Array_valueOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 587         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 588 {
 589     FIXME("\n");
 590     return E_NOTIMPL;
 591 }
 592
 593 static HRESULT Array_unshift(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 594         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 595 {
 596     FIXME("\n");
 597     return E_NOTIMPL;
 598 }
 599
 600 static HRESULT Array_hasOwnProperty(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 601         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 602 {
 603     FIXME("\n");
 604     return E_NOTIMPL;
 605 }
 606
 607 static HRESULT Array_propertyIsEnumerable(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 608         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 609 {
 610     FIXME("\n");
 611     return E_NOTIMPL;
 612 }
 613
 614 static HRESULT Array_isPrototypeOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 615         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 616 {
 617     FIXME("\n");
 618     return E_NOTIMPL;
 619 }
 620
 621 static HRESULT Array_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 622         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 623 {
 624     TRACE("\n");
 625
 626     switch(flags) {
 627     case INVOKE_PROPERTYGET:
 628         return array_join(dispex, lcid, ((ArrayInstance*)dispex)->length, default_separatorW, retv, ei, sp);
 629     default:
 630         FIXME("unimplemented flags %x\n", flags);
 631         return E_NOTIMPL;
 632     }
 633
 634     return S_OK;
 635 }
 636
 637 static void Array_destructor(DispatchEx *dispex)
 638 {
 639     heap_free(dispex);
 640 }
 641
 642 static void Array_on_put(DispatchEx *dispex, const WCHAR *name)
 643 {
 644     ArrayInstance *array = (ArrayInstance*)dispex;
 645     const WCHAR *ptr = name;
 646     DWORD id = 0;
 647
 648     if(!isdigitW(*ptr))
 649         return;
 650
 651     while(*ptr && isdigitW(*ptr)) {
 652         id = id*10 + (*ptr-'0');
 653         ptr++;
 654     }
 655
 656     if(*ptr)
 657         return;
 658
 659     if(id >= array->length)
 660         array->length = id+1;
 661 }
 662
 663 static const builtin_prop_t Array_props[] = {
 664     {concatW,                Array_concat,               PROPF_METHOD},
 665     {hasOwnPropertyW,        Array_hasOwnProperty,       PROPF_METHOD},
 666     {isPrototypeOfW,         Array_isPrototypeOf,        PROPF_METHOD},
 667     {joinW,                  Array_join,                 PROPF_METHOD},
 668     {lengthW,                Array_length,               0},
 669     {popW,                   Array_pop,                  PROPF_METHOD},
 670     {propertyIsEnumerableW,  Array_propertyIsEnumerable, PROPF_METHOD},
 671     {pushW,                  Array_push,                 PROPF_METHOD},
 672     {reverseW,               Array_reverse,              PROPF_METHOD},
 673     {shiftW,                 Array_shift,                PROPF_METHOD},
 674     {sliceW,                 Array_slice,                PROPF_METHOD},
 675     {sortW,                  Array_sort,                 PROPF_METHOD},
 676     {spliceW,                Array_splice,               PROPF_METHOD},
 677     {toLocaleStringW,        Array_toLocaleString,       PROPF_METHOD},
 678     {toStringW,              Array_toString,             PROPF_METHOD},
 679     {unshiftW,               Array_unshift,              PROPF_METHOD},
 680     {valueOfW,               Array_valueOf,              PROPF_METHOD}
 681 };
 682
 683 static const builtin_info_t Array_info = {
 684     JSCLASS_ARRAY,
 685     {NULL, Array_value, 0},
 686     sizeof(Array_props)/sizeof(*Array_props),
 687     Array_props,
 688     Array_destructor,
 689     Array_on_put
 690 };
 691
 692 static HRESULT ArrayConstr_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 693         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 694 {
 695     DispatchEx *obj;
 696     VARIANT *arg_var;
 697     DWORD i;
 698     HRESULT hres;
 699
 700     TRACE("\n");
 701
 702     switch(flags) {
 703     case DISPATCH_CONSTRUCT: {
 704         if(arg_cnt(dp) == 1 && V_VT((arg_var = get_arg(dp, 0))) == VT_I4) {
 705             if(V_I4(arg_var) < 0) {
 706                 FIXME("throw RangeError\n");
 707                 return E_FAIL;
 708             }
 709
 710             hres = create_array(dispex->ctx, V_I4(arg_var), &obj);
 711             if(FAILED(hres))
 712                 return hres;
 713
 714             V_VT(retv) = VT_DISPATCH;
 715             V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
 716             return S_OK;
 717         }
 718
 719         hres = create_array(dispex->ctx, arg_cnt(dp), &obj);
 720         if(FAILED(hres))
 721             return hres;
 722
 723         for(i=0; i < arg_cnt(dp); i++) {
 724             hres = jsdisp_propput_idx(obj, i, lcid, get_arg(dp, i), ei, caller);
 725             if(FAILED(hres))
 726                 break;
 727         }
 728         if(FAILED(hres)) {
 729             jsdisp_release(obj);
 730             return hres;
 731         }
 732
 733         V_VT(retv) = VT_DISPATCH;
 734         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
 735         break;
 736     }
 737     default:
 738         FIXME("unimplemented flags: %x\n", flags);
 739         return E_NOTIMPL;
 740     }
 741
 742     return S_OK;
 743 }
 744
 745 static HRESULT alloc_array(script_ctx_t *ctx, BOOL use_constr, ArrayInstance **ret)
 746 {
 747     ArrayInstance *array = heap_alloc_zero(sizeof(ArrayInstance));
 748     HRESULT hres;
 749
 750     if(use_constr)
 751         hres = init_dispex_from_constr(&array->dispex, ctx, &Array_info, ctx->array_constr);
 752     else
 753         hres = init_dispex(&array->dispex, ctx, &Array_info, NULL);
 754
 755     if(FAILED(hres)) {
 756         heap_free(array);
 757         return hres;
 758     }
 759
 760     *ret = array;
 761     return S_OK;
 762 }
 763
 764 HRESULT create_array_constr(script_ctx_t *ctx, DispatchEx **ret)
 765 {
 766     ArrayInstance *array;
 767     HRESULT hres;
 768
 769     hres = alloc_array(ctx, FALSE, &array);
 770     if(FAILED(hres))
 771         return hres;
 772
 773     hres = create_builtin_function(ctx, ArrayConstr_value, PROPF_CONSTR, &array->dispex, ret);
 774
 775     IDispatchEx_Release(_IDispatchEx_(&array->dispex));
 776     return hres;
 777 }
 778
 779 HRESULT create_array(script_ctx_t *ctx, DWORD length, DispatchEx **ret)
 780 {
 781     ArrayInstance *array;
 782     HRESULT hres;
 783
 784     hres = alloc_array(ctx, TRUE, &array);
 785     if(FAILED(hres))
 786         return hres;
 787
 788     array->length = length;
 789
 790     *ret = &array->dispex;
 791     return S_OK;
 792 }