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 <math.h>
  20
  21 #include "jscript.h"
  22
  23 #include "wine/debug.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
  26
  27 typedef struct {
  28     DispatchEx dispex;
  29
  30     DWORD length;
  31 } ArrayInstance;
  32
  33 static const WCHAR lengthW[] = {'l','e','n','g','t','h',0};
  34 static const WCHAR concatW[] = {'c','o','n','c','a','t',0};
  35 static const WCHAR joinW[] = {'j','o','i','n',0};
  36 static const WCHAR popW[] = {'p','o','p',0};
  37 static const WCHAR pushW[] = {'p','u','s','h',0};
  38 static const WCHAR reverseW[] = {'r','e','v','e','r','s','e',0};
  39 static const WCHAR shiftW[] = {'s','h','i','f','t',0};
  40 static const WCHAR sliceW[] = {'s','l','i','c','e',0};
  41 static const WCHAR sortW[] = {'s','o','r','t',0};
  42 static const WCHAR spliceW[] = {'s','p','l','i','c','e',0};
  43 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
  44 static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
  45 static const WCHAR unshiftW[] = {'u','n','s','h','i','f','t',0};
  46 static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
  47 static const WCHAR propertyIsEnumerableW[] =
  48     {'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
  49 static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
  50
  51 static const WCHAR default_separatorW[] = {',',0};
  52
  53 static HRESULT Array_length(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
  54         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
  55 {
  56     ArrayInstance *This = (ArrayInstance*)dispex;
  57
  58     TRACE("%p %d\n", This, This->length);
  59
  60     switch(flags) {
  61     case DISPATCH_PROPERTYGET:
  62         V_VT(retv) = VT_I4;
  63         V_I4(retv) = This->length;
  64         break;
  65     case DISPATCH_PROPERTYPUT: {
  66         VARIANT num;
  67         DOUBLE len = -1;
  68         DWORD i;
  69         HRESULT hres;
  70
  71         hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &num);
  72         if(V_VT(&num) == VT_I4)
  73             len = V_I4(&num);
  74         else
  75             len = floor(V_R8(&num));
  76
  77         if(len!=(DWORD)len)
  78             return throw_range_error(dispex->ctx, ei, IDS_INVALID_LENGTH, NULL);
  79
  80         for(i=len; i<This->length; i++) {
  81             hres = jsdisp_delete_idx(dispex, i);
  82             if(FAILED(hres))
  83                 return hres;
  84         }
  85
  86         This->length = len;
  87         break;
  88     }
  89     default:
  90         FIXME("unimplemented flags %x\n", flags);
  91         return E_NOTIMPL;
  92     }
  93
  94     return S_OK;
  95 }
  96
  97 static HRESULT concat_array(DispatchEx *array, ArrayInstance *obj, DWORD *len, LCID lcid,
  98         jsexcept_t *ei, IServiceProvider *caller)
  99 {
 100     VARIANT var;
 101     DWORD i;
 102     HRESULT hres;
 103
 104     for(i=0; i < obj->length; i++) {
 105         hres = jsdisp_propget_idx(&obj->dispex, i, lcid, &var, ei, caller);
 106         if(hres == DISP_E_UNKNOWNNAME)
 107             continue;
 108         if(FAILED(hres))
 109             return hres;
 110
 111         hres = jsdisp_propput_idx(array, *len+i, lcid, &var, ei, caller);
 112         VariantClear(&var);
 113         if(FAILED(hres))
 114             return hres;
 115     }
 116
 117     *len += obj->length;
 118     return S_OK;
 119 }
 120
 121 static HRESULT concat_obj(DispatchEx *array, IDispatch *obj, DWORD *len, LCID lcid, jsexcept_t *ei, IServiceProvider *caller)
 122 {
 123     DispatchEx *jsobj;
 124     VARIANT var;
 125     HRESULT hres;
 126
 127     jsobj = iface_to_jsdisp((IUnknown*)obj);
 128     if(jsobj) {
 129         if(is_class(jsobj, JSCLASS_ARRAY)) {
 130             hres = concat_array(array, (ArrayInstance*)jsobj, len, lcid, ei, caller);
 131             jsdisp_release(jsobj);
 132             return hres;
 133         }
 134         jsdisp_release(jsobj);
 135     }
 136
 137     V_VT(&var) = VT_DISPATCH;
 138     V_DISPATCH(&var) = obj;
 139     return jsdisp_propput_idx(array, (*len)++, lcid, &var, ei, caller);
 140 }
 141
 142 static HRESULT Array_concat(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 143         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 144 {
 145     DispatchEx *ret;
 146     DWORD len = 0;
 147     HRESULT hres;
 148
 149     TRACE("\n");
 150
 151     hres = create_array(dispex->ctx, 0, &ret);
 152     if(FAILED(hres))
 153         return hres;
 154
 155     hres = concat_obj(ret, (IDispatch*)_IDispatchEx_(dispex), &len, lcid, ei, caller);
 156     if(SUCCEEDED(hres)) {
 157         VARIANT *arg;
 158         DWORD i;
 159
 160         for(i=0; i < arg_cnt(dp); i++) {
 161             arg = get_arg(dp, i);
 162             if(V_VT(arg) == VT_DISPATCH)
 163                 hres = concat_obj(ret, V_DISPATCH(arg), &len, lcid, ei, caller);
 164             else
 165                 hres = jsdisp_propput_idx(ret, len++, lcid, arg, ei, caller);
 166             if(FAILED(hres))
 167                 break;
 168         }
 169     }
 170
 171     if(FAILED(hres))
 172         return hres;
 173
 174     if(retv) {
 175         V_VT(retv) = VT_DISPATCH;
 176         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(ret);
 177     }else {
 178         jsdisp_release(ret);
 179     }
 180     return S_OK;
 181 }
 182
 183 static HRESULT array_join(DispatchEx *array, LCID lcid, DWORD length, const WCHAR *sep, VARIANT *retv,
 184         jsexcept_t *ei, IServiceProvider *caller)
 185 {
 186     BSTR *str_tab, ret = NULL;
 187     VARIANT var;
 188     DWORD i;
 189     HRESULT hres = E_FAIL;
 190
 191     if(!length) {
 192         if(retv) {
 193             V_VT(retv) = VT_BSTR;
 194             V_BSTR(retv) = SysAllocStringLen(NULL, 0);
 195             if(!V_BSTR(retv))
 196                 return E_OUTOFMEMORY;
 197         }
 198         return S_OK;
 199     }
 200
 201     str_tab = heap_alloc_zero(length * sizeof(BSTR));
 202     if(!str_tab)
 203         return E_OUTOFMEMORY;
 204
 205     for(i=0; i < length; i++) {
 206         hres = jsdisp_propget_idx(array, i, lcid, &var, ei, caller);
 207         if(FAILED(hres))
 208             break;
 209
 210         if(V_VT(&var) != VT_EMPTY && V_VT(&var) != VT_NULL)
 211             hres = to_string(array->ctx, &var, ei, str_tab+i);
 212         VariantClear(&var);
 213         if(FAILED(hres))
 214             break;
 215     }
 216
 217     if(SUCCEEDED(hres)) {
 218         DWORD seplen = 0, len = 0;
 219         WCHAR *ptr;
 220
 221         seplen = strlenW(sep);
 222
 223         if(str_tab[0])
 224             len = SysStringLen(str_tab[0]);
 225         for(i=1; i < length; i++)
 226             len += seplen + SysStringLen(str_tab[i]);
 227
 228         ret = SysAllocStringLen(NULL, len);
 229         if(ret) {
 230             DWORD tmplen = 0;
 231
 232             if(str_tab[0]) {
 233                 tmplen = SysStringLen(str_tab[0]);
 234                 memcpy(ret, str_tab[0], tmplen*sizeof(WCHAR));
 235             }
 236
 237             ptr = ret + tmplen;
 238             for(i=1; i < length; i++) {
 239                 if(seplen) {
 240                     memcpy(ptr, sep, seplen*sizeof(WCHAR));
 241                     ptr += seplen;
 242                 }
 243
 244                 if(str_tab[i]) {
 245                     tmplen = SysStringLen(str_tab[i]);
 246                     memcpy(ptr, str_tab[i], tmplen*sizeof(WCHAR));
 247                     ptr += tmplen;
 248                 }
 249             }
 250             *ptr=0;
 251         }else {
 252             hres = E_OUTOFMEMORY;
 253         }
 254     }
 255
 256     for(i=0; i < length; i++)
 257         SysFreeString(str_tab[i]);
 258     heap_free(str_tab);
 259     if(FAILED(hres))
 260         return hres;
 261
 262     TRACE("= %s\n", debugstr_w(ret));
 263
 264     if(retv) {
 265         if(!ret) {
 266             ret = SysAllocStringLen(NULL, 0);
 267             if(!ret)
 268                 return E_OUTOFMEMORY;
 269         }
 270
 271         V_VT(retv) = VT_BSTR;
 272         V_BSTR(retv) = ret;
 273     }else {
 274         SysFreeString(ret);
 275     }
 276
 277     return S_OK;
 278 }
 279
 280 /* ECMA-262 3rd Edition    15.4.4.5 */
 281 static HRESULT Array_join(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 282         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 283 {
 284     DWORD length;
 285     HRESULT hres;
 286
 287     TRACE("\n");
 288
 289     if(is_class(dispex, JSCLASS_ARRAY)) {
 290         length = ((ArrayInstance*)dispex)->length;
 291     }else {
 292         FIXME("dispid is not Array\n");
 293         return E_NOTIMPL;
 294     }
 295
 296     if(arg_cnt(dp)) {
 297         BSTR sep;
 298
 299         hres = to_string(dispex->ctx, dp->rgvarg + dp->cArgs-1, ei, &sep);
 300         if(FAILED(hres))
 301             return hres;
 302
 303         hres = array_join(dispex, lcid, length, sep, retv, ei, caller);
 304
 305         SysFreeString(sep);
 306     }else {
 307         hres = array_join(dispex, lcid, length, default_separatorW, retv, ei, caller);
 308     }
 309
 310     return hres;
 311 }
 312
 313 static HRESULT Array_pop(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 314         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 315 {
 316     VARIANT val;
 317     DWORD length;
 318     WCHAR buf[14];
 319     DISPID id;
 320     HRESULT hres;
 321
 322     static const WCHAR formatW[] = {'%','d',0};
 323
 324     TRACE("\n");
 325
 326     if(is_class(dispex, JSCLASS_ARRAY)) {
 327         ArrayInstance *array = (ArrayInstance*)dispex;
 328         length = array->length;
 329     }else {
 330         FIXME("not Array this\n");
 331         return E_NOTIMPL;
 332     }
 333
 334     if(!length) {
 335         if(retv)
 336             V_VT(retv) = VT_EMPTY;
 337         return S_OK;
 338     }
 339
 340     sprintfW(buf, formatW, --length);
 341     hres = jsdisp_get_id(dispex, buf, 0, &id);
 342     if(SUCCEEDED(hres)) {
 343         hres = jsdisp_propget(dispex, id, lcid, &val, ei, caller);
 344         if(FAILED(hres))
 345             return hres;
 346
 347         hres = IDispatchEx_DeleteMemberByDispID(_IDispatchEx_(dispex), id);
 348     }else if(hres == DISP_E_UNKNOWNNAME) {
 349         V_VT(&val) = VT_EMPTY;
 350         hres = S_OK;
 351     }else {
 352         return hres;
 353     }
 354
 355     if(SUCCEEDED(hres)) {
 356         if(is_class(dispex, JSCLASS_ARRAY)) {
 357             ArrayInstance *array = (ArrayInstance*)dispex;
 358             array->length = length;
 359         }
 360     }
 361
 362     if(FAILED(hres)) {
 363         VariantClear(&val);
 364         return hres;
 365     }
 366
 367     if(retv)
 368         *retv = val;
 369     else
 370         VariantClear(&val);
 371     return S_OK;
 372 }
 373
 374 /* ECMA-262 3rd Edition    15.4.4.7 */
 375 static HRESULT Array_push(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 376         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 377 {
 378     DWORD length = 0;
 379     int i, n;
 380     HRESULT hres;
 381
 382     TRACE("\n");
 383
 384     if(dispex->builtin_info->class == JSCLASS_ARRAY) {
 385         length = ((ArrayInstance*)dispex)->length;
 386     }else {
 387         FIXME("not Array this\n");
 388         return E_NOTIMPL;
 389     }
 390
 391     n = dp->cArgs - dp->cNamedArgs;
 392     for(i=0; i < n; i++) {
 393         hres = jsdisp_propput_idx(dispex, length+i, lcid, get_arg(dp, i), ei, sp);
 394         if(FAILED(hres))
 395             return hres;
 396     }
 397
 398     if(retv) {
 399         V_VT(retv) = VT_I4;
 400         V_I4(retv) = length+n;
 401     }
 402     return S_OK;
 403 }
 404
 405 static HRESULT Array_reverse(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 406         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 407 {
 408     FIXME("\n");
 409     return E_NOTIMPL;
 410 }
 411
 412 static HRESULT Array_shift(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 413         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 414 {
 415     FIXME("\n");
 416     return E_NOTIMPL;
 417 }
 418
 419 static HRESULT Array_slice(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 420         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 421 {
 422     DispatchEx *arr;
 423     VARIANT v;
 424     DOUBLE range;
 425     DWORD length, start, end, idx;
 426     HRESULT hres;
 427
 428     TRACE("\n");
 429
 430     if(is_class(dispex, JSCLASS_ARRAY)) {
 431         length = ((ArrayInstance*)dispex)->length;
 432     }else {
 433         FIXME("not Array this\n");
 434         return E_NOTIMPL;
 435     }
 436
 437     if(arg_cnt(dp)) {
 438         hres = to_number(dispex->ctx, get_arg(dp, 0), ei, &v);
 439         if(FAILED(hres))
 440             return hres;
 441
 442         if(V_VT(&v) == VT_I4)
 443             range = V_I4(&v);
 444         else
 445             range = floor(V_R8(&v));
 446
 447         if(-range>length || isnan(range)) start = 0;
 448         else if(range < 0) start = range+length;
 449         else if(range <= length) start = range;
 450         else start = length;
 451     }
 452     else start = 0;
 453
 454     if(arg_cnt(dp)>1) {
 455         hres = to_number(dispex->ctx, get_arg(dp, 1), ei, &v);
 456         if(FAILED(hres))
 457             return hres;
 458
 459         if(V_VT(&v) == VT_I4)
 460             range = V_I4(&v);
 461         else
 462             range = floor(V_R8(&v));
 463
 464         if(-range>length) end = 0;
 465         else if(range < 0) end = range+length;
 466         else if(range <= length) end = range;
 467         else end = length;
 468     }
 469     else end = length;
 470
 471     hres = create_array(dispex->ctx, (end>start)?end-start:0, &arr);
 472     if(FAILED(hres))
 473         return hres;
 474
 475     for(idx=start; idx<end; idx++) {
 476         hres = jsdisp_propget_idx(dispex, idx, lcid, &v, ei, sp);
 477         if(hres == DISP_E_UNKNOWNNAME)
 478             continue;
 479
 480         if(SUCCEEDED(hres))
 481             hres = jsdisp_propput_idx(arr, idx-start, lcid, &v, ei, sp);
 482
 483         if(FAILED(hres)) {
 484             jsdisp_release(arr);
 485             return hres;
 486         }
 487     }
 488
 489     if(retv) {
 490         V_VT(retv) = VT_DISPATCH;
 491         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(arr);
 492     }
 493     else
 494         jsdisp_release(arr);
 495
 496     return S_OK;
 497 }
 498
 499 static HRESULT sort_cmp(script_ctx_t *ctx, DispatchEx *cmp_func, VARIANT *v1, VARIANT *v2, jsexcept_t *ei,
 500         IServiceProvider *caller, INT *cmp)
 501 {
 502     HRESULT hres;
 503
 504     if(cmp_func) {
 505         VARIANTARG args[2];
 506         DISPPARAMS dp = {args, NULL, 2, 0};
 507         VARIANT tmp;
 508         VARIANT res;
 509
 510         args[0] = *v2;
 511         args[1] = *v1;
 512
 513         hres = jsdisp_call_value(cmp_func, ctx->lcid, DISPATCH_METHOD, &dp, &res, ei, caller);
 514         if(FAILED(hres))
 515             return hres;
 516
 517         hres = to_number(ctx, &res, ei, &tmp);
 518         VariantClear(&res);
 519         if(FAILED(hres))
 520             return hres;
 521
 522         if(V_VT(&tmp) == VT_I4)
 523             *cmp = V_I4(&tmp);
 524         else
 525             *cmp = V_R8(&tmp) > 0.0 ? 1 : -1;
 526     }else if(is_num_vt(V_VT(v1))) {
 527         if(is_num_vt(V_VT(v2))) {
 528             DOUBLE d = num_val(v1)-num_val(v2);
 529             if(d > 0.0)
 530                 *cmp = 1;
 531             else if(d < -0.0)
 532                 *cmp = -1;
 533             else
 534                 *cmp = 0;
 535         }else {
 536             *cmp = -1;
 537         }
 538     }else if(is_num_vt(V_VT(v2))) {
 539         *cmp = 1;
 540     }else if(V_VT(v1) == VT_BSTR) {
 541         if(V_VT(v2) == VT_BSTR)
 542             *cmp = strcmpW(V_BSTR(v1), V_BSTR(v2));
 543         else
 544             *cmp = -1;
 545     }else if(V_VT(v2) == VT_BSTR) {
 546         *cmp = 1;
 547     }else {
 548         *cmp = 0;
 549     }
 550
 551     return S_OK;
 552 }
 553
 554 /* ECMA-262 3rd Edition    15.4.4.11 */
 555 static HRESULT Array_sort(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 556         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 557 {
 558     DispatchEx *cmp_func = NULL;
 559     VARIANT *vtab, **sorttab = NULL;
 560     DWORD length;
 561     DWORD i;
 562     HRESULT hres = S_OK;
 563
 564     TRACE("\n");
 565
 566     if(is_class(dispex, JSCLASS_ARRAY)) {
 567         length = ((ArrayInstance*)dispex)->length;
 568     }else {
 569         FIXME("unsupported this not array\n");
 570         return E_NOTIMPL;
 571     }
 572
 573     if(arg_cnt(dp) > 1) {
 574         WARN("invalid arg_cnt %d\n", arg_cnt(dp));
 575         return E_FAIL;
 576     }
 577
 578     if(arg_cnt(dp) == 1) {
 579         VARIANT *arg = get_arg(dp, 0);
 580
 581         if(V_VT(arg) != VT_DISPATCH) {
 582             WARN("arg is not dispatch\n");
 583             return E_FAIL;
 584         }
 585
 586
 587         cmp_func = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg));
 588         if(!cmp_func || !is_class(cmp_func, JSCLASS_FUNCTION)) {
 589             WARN("cmp_func is not a function\n");
 590             if(cmp_func)
 591                 jsdisp_release(cmp_func);
 592             return E_FAIL;
 593         }
 594     }
 595
 596     if(!length) {
 597         if(cmp_func)
 598             jsdisp_release(cmp_func);
 599         if(retv) {
 600             V_VT(retv) = VT_DISPATCH;
 601             V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(dispex);
 602             IDispatchEx_AddRef(_IDispatchEx_(dispex));
 603         }
 604         return S_OK;
 605     }
 606
 607     vtab = heap_alloc_zero(length * sizeof(VARIANT));
 608     if(vtab) {
 609         for(i=0; i<length; i++) {
 610             hres = jsdisp_propget_idx(dispex, i, lcid, vtab+i, ei, caller);
 611             if(FAILED(hres) && hres != DISP_E_UNKNOWNNAME) {
 612                 WARN("Could not get elem %d: %08x\n", i, hres);
 613                 break;
 614             }
 615         }
 616     }else {
 617         hres = E_OUTOFMEMORY;
 618     }
 619
 620     if(SUCCEEDED(hres)) {
 621         sorttab = heap_alloc(length*2*sizeof(VARIANT*));
 622         if(!sorttab)
 623             hres = E_OUTOFMEMORY;
 624     }
 625
 626     /* merge-sort */
 627     if(SUCCEEDED(hres)) {
 628         VARIANT *tmpv, **tmpbuf;
 629         INT cmp;
 630
 631         tmpbuf = sorttab + length;
 632         for(i=0; i < length; i++)
 633             sorttab[i] = vtab+i;
 634
 635         for(i=0; i < length/2; i++) {
 636             hres = sort_cmp(dispex->ctx, cmp_func, sorttab[2*i+1], sorttab[2*i], ei, caller, &cmp);
 637             if(FAILED(hres))
 638                 break;
 639
 640             if(cmp < 0) {
 641                 tmpv = sorttab[2*i];
 642                 sorttab[2*i] = sorttab[2*i+1];
 643                 sorttab[2*i+1] = tmpv;
 644             }
 645         }
 646
 647         if(SUCCEEDED(hres)) {
 648             DWORD k, a, b, bend;
 649
 650             for(k=2; k < length; k *= 2) {
 651                 for(i=0; i+k < length; i += 2*k) {
 652                     a = b = 0;
 653                     if(i+2*k <= length)
 654                         bend = k;
 655                     else
 656                         bend = length - (i+k);
 657
 658                     memcpy(tmpbuf, sorttab+i, k*sizeof(VARIANT*));
 659
 660                     while(a < k && b < bend) {
 661                         hres = sort_cmp(dispex->ctx, cmp_func, tmpbuf[a], sorttab[i+k+b], ei, caller, &cmp);
 662                         if(FAILED(hres))
 663                             break;
 664
 665                         if(cmp < 0) {
 666                             sorttab[i+a+b] = tmpbuf[a];
 667                             a++;
 668                         }else {
 669                             sorttab[i+a+b] = sorttab[i+k+b];
 670                             b++;
 671                         }
 672                     }
 673
 674                     if(FAILED(hres))
 675                         break;
 676
 677                     if(a < k)
 678                         memcpy(sorttab+i+a+b, tmpbuf+a, (k-a)*sizeof(VARIANT*));
 679                 }
 680
 681                 if(FAILED(hres))
 682                     break;
 683             }
 684         }
 685
 686         for(i=0; SUCCEEDED(hres) && i < length; i++)
 687             hres = jsdisp_propput_idx(dispex, i, lcid, sorttab[i], ei, caller);
 688     }
 689
 690     if(vtab) {
 691         for(i=0; i < length; i++)
 692             VariantClear(vtab+i);
 693         heap_free(vtab);
 694     }
 695     heap_free(sorttab);
 696     if(cmp_func)
 697         jsdisp_release(cmp_func);
 698
 699     if(FAILED(hres))
 700         return hres;
 701
 702     if(retv) {
 703         V_VT(retv) = VT_DISPATCH;
 704         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(dispex);
 705         IDispatch_AddRef(_IDispatchEx_(dispex));
 706     }
 707
 708     return S_OK;
 709 }
 710
 711 static HRESULT Array_splice(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 712         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 713 {
 714     FIXME("\n");
 715     return E_NOTIMPL;
 716 }
 717
 718 /* ECMA-262 3rd Edition    15.4.4.2 */
 719 static HRESULT Array_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 720         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 721 {
 722     TRACE("\n");
 723
 724     if(!is_class(dispex, JSCLASS_ARRAY)) {
 725         WARN("not Array object\n");
 726         return E_FAIL;
 727     }
 728
 729     return array_join(dispex, lcid, ((ArrayInstance*)dispex)->length, default_separatorW, retv, ei, sp);
 730 }
 731
 732 static HRESULT Array_toLocaleString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 733         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 734 {
 735     FIXME("\n");
 736     return E_NOTIMPL;
 737 }
 738
 739 static HRESULT Array_unshift(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 740         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 741 {
 742     FIXME("\n");
 743     return E_NOTIMPL;
 744 }
 745
 746 static HRESULT Array_hasOwnProperty(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 747         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 748 {
 749     FIXME("\n");
 750     return E_NOTIMPL;
 751 }
 752
 753 static HRESULT Array_propertyIsEnumerable(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 754         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 755 {
 756     FIXME("\n");
 757     return E_NOTIMPL;
 758 }
 759
 760 static HRESULT Array_isPrototypeOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 761         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 762 {
 763     FIXME("\n");
 764     return E_NOTIMPL;
 765 }
 766
 767 static HRESULT Array_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 768         VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
 769 {
 770     TRACE("\n");
 771
 772     switch(flags) {
 773     case INVOKE_FUNC:
 774         return throw_type_error(dispex->ctx, ei, IDS_NOT_FUNC, NULL);
 775     case INVOKE_PROPERTYGET:
 776         return array_join(dispex, lcid, ((ArrayInstance*)dispex)->length, default_separatorW, retv, ei, sp);
 777     default:
 778         FIXME("unimplemented flags %x\n", flags);
 779         return E_NOTIMPL;
 780     }
 781
 782     return S_OK;
 783 }
 784
 785 static void Array_destructor(DispatchEx *dispex)
 786 {
 787     heap_free(dispex);
 788 }
 789
 790 static void Array_on_put(DispatchEx *dispex, const WCHAR *name)
 791 {
 792     ArrayInstance *array = (ArrayInstance*)dispex;
 793     const WCHAR *ptr = name;
 794     DWORD id = 0;
 795
 796     if(!isdigitW(*ptr))
 797         return;
 798
 799     while(*ptr && isdigitW(*ptr)) {
 800         id = id*10 + (*ptr-'0');
 801         ptr++;
 802     }
 803
 804     if(*ptr)
 805         return;
 806
 807     if(id >= array->length)
 808         array->length = id+1;
 809 }
 810
 811 static const builtin_prop_t Array_props[] = {
 812     {concatW,                Array_concat,               PROPF_METHOD},
 813     {hasOwnPropertyW,        Array_hasOwnProperty,       PROPF_METHOD},
 814     {isPrototypeOfW,         Array_isPrototypeOf,        PROPF_METHOD},
 815     {joinW,                  Array_join,                 PROPF_METHOD},
 816     {lengthW,                Array_length,               0},
 817     {popW,                   Array_pop,                  PROPF_METHOD},
 818     {propertyIsEnumerableW,  Array_propertyIsEnumerable, PROPF_METHOD},
 819     {pushW,                  Array_push,                 PROPF_METHOD},
 820     {reverseW,               Array_reverse,              PROPF_METHOD},
 821     {shiftW,                 Array_shift,                PROPF_METHOD},
 822     {sliceW,                 Array_slice,                PROPF_METHOD},
 823     {sortW,                  Array_sort,                 PROPF_METHOD},
 824     {spliceW,                Array_splice,               PROPF_METHOD},
 825     {toLocaleStringW,        Array_toLocaleString,       PROPF_METHOD},
 826     {toStringW,              Array_toString,             PROPF_METHOD},
 827     {unshiftW,               Array_unshift,              PROPF_METHOD},
 828 };
 829
 830 static const builtin_info_t Array_info = {
 831     JSCLASS_ARRAY,
 832     {NULL, Array_value, 0},
 833     sizeof(Array_props)/sizeof(*Array_props),
 834     Array_props,
 835     Array_destructor,
 836     Array_on_put
 837 };
 838
 839 static HRESULT ArrayConstr_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
 840         VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
 841 {
 842     DispatchEx *obj;
 843     VARIANT *arg_var;
 844     DWORD i;
 845     HRESULT hres;
 846
 847     TRACE("\n");
 848
 849     switch(flags) {
 850     case DISPATCH_METHOD:
 851     case DISPATCH_CONSTRUCT: {
 852         if(arg_cnt(dp) == 1 && V_VT((arg_var = get_arg(dp, 0))) == VT_I4) {
 853             if(V_I4(arg_var) < 0)
 854                 return throw_range_error(dispex->ctx, ei, IDS_INVALID_LENGTH, NULL);
 855
 856             hres = create_array(dispex->ctx, V_I4(arg_var), &obj);
 857             if(FAILED(hres))
 858                 return hres;
 859
 860             V_VT(retv) = VT_DISPATCH;
 861             V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
 862             return S_OK;
 863         }
 864
 865         hres = create_array(dispex->ctx, arg_cnt(dp), &obj);
 866         if(FAILED(hres))
 867             return hres;
 868
 869         for(i=0; i < arg_cnt(dp); i++) {
 870             hres = jsdisp_propput_idx(obj, i, lcid, get_arg(dp, i), ei, caller);
 871             if(FAILED(hres))
 872                 break;
 873         }
 874         if(FAILED(hres)) {
 875             jsdisp_release(obj);
 876             return hres;
 877         }
 878
 879         V_VT(retv) = VT_DISPATCH;
 880         V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
 881         break;
 882     }
 883     default:
 884         FIXME("unimplemented flags: %x\n", flags);
 885         return E_NOTIMPL;
 886     }
 887
 888     return S_OK;
 889 }
 890
 891 static HRESULT alloc_array(script_ctx_t *ctx, BOOL use_constr, ArrayInstance **ret)
 892 {
 893     ArrayInstance *array;
 894     HRESULT hres;
 895
 896     array = heap_alloc_zero(sizeof(ArrayInstance));
 897     if(!array)
 898         return E_OUTOFMEMORY;
 899
 900     if(use_constr)
 901         hres = init_dispex_from_constr(&array->dispex, ctx, &Array_info, ctx->array_constr);
 902     else
 903         hres = init_dispex_from_constr(&array->dispex, ctx, &Array_info, ctx->object_constr);
 904
 905     if(FAILED(hres)) {
 906         heap_free(array);
 907         return hres;
 908     }
 909
 910     *ret = array;
 911     return S_OK;
 912 }
 913
 914 HRESULT create_array_constr(script_ctx_t *ctx, DispatchEx **ret)
 915 {
 916     ArrayInstance *array;
 917     HRESULT hres;
 918
 919     hres = alloc_array(ctx, FALSE, &array);
 920     if(FAILED(hres))
 921         return hres;
 922
 923     hres = create_builtin_function(ctx, ArrayConstr_value, NULL, PROPF_CONSTR, &array->dispex, ret);
 924
 925     IDispatchEx_Release(_IDispatchEx_(&array->dispex));
 926     return hres;
 927 }
 928
 929 HRESULT create_array(script_ctx_t *ctx, DWORD length, DispatchEx **ret)
 930 {
 931     ArrayInstance *array;
 932     HRESULT hres;
 933
 934     hres = alloc_array(ctx, TRUE, &array);
 935     if(FAILED(hres))
 936         return hres;
 937
 938     array->length = length;
 939
 940     *ret = &array->dispex;
 941     return S_OK;
 942 }