2 * Copyright 2008 Jacek Caban for CodeWeavers
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.
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.
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
20 #include "wine/port.h"
26 #include "wine/debug.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(jscript);
36 static const WCHAR lengthW[] = {'l','e','n','g','t','h',0};
37 static const WCHAR concatW[] = {'c','o','n','c','a','t',0};
38 static const WCHAR joinW[] = {'j','o','i','n',0};
39 static const WCHAR popW[] = {'p','o','p',0};
40 static const WCHAR pushW[] = {'p','u','s','h',0};
41 static const WCHAR reverseW[] = {'r','e','v','e','r','s','e',0};
42 static const WCHAR shiftW[] = {'s','h','i','f','t',0};
43 static const WCHAR sliceW[] = {'s','l','i','c','e',0};
44 static const WCHAR sortW[] = {'s','o','r','t',0};
45 static const WCHAR spliceW[] = {'s','p','l','i','c','e',0};
46 static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
47 static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0};
48 static const WCHAR unshiftW[] = {'u','n','s','h','i','f','t',0};
50 static const WCHAR default_separatorW[] = {',',0};
52 static inline ArrayInstance *array_from_vdisp(vdisp_t *vdisp)
54 return (ArrayInstance*)vdisp->u.jsdisp;
57 static inline ArrayInstance *array_this(vdisp_t *jsthis)
59 return is_vclass(jsthis, JSCLASS_ARRAY) ? array_from_vdisp(jsthis) : NULL;
62 static HRESULT get_length(script_ctx_t *ctx, vdisp_t *vdisp, jsexcept_t *ei, jsdisp_t **jsthis, DWORD *ret)
68 array = array_this(vdisp);
70 *jsthis = &array->dispex;
76 return throw_type_error(ctx, ei, JS_E_JSCRIPT_EXPECTED, NULL);
78 hres = jsdisp_propget_name(vdisp->u.jsdisp, lengthW, &var, ei);
82 hres = to_uint32(ctx, &var, ei, ret);
87 *jsthis = vdisp->u.jsdisp;
91 static HRESULT set_length(jsdisp_t *obj, jsexcept_t *ei, DWORD length)
95 if(is_class(obj, JSCLASS_ARRAY)) {
96 ((ArrayInstance*)obj)->length = length;
100 num_set_int(&var, length);
101 return jsdisp_propput_name(obj, lengthW, &var, ei);
104 static WCHAR *idx_to_str(DWORD idx, WCHAR *ptr)
112 *ptr-- = '0' + (idx%10);
119 static HRESULT Array_length(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
120 VARIANT *retv, jsexcept_t *ei)
122 ArrayInstance *This = array_from_vdisp(jsthis);
124 TRACE("%p %d\n", This, This->length);
127 case DISPATCH_PROPERTYGET:
128 num_set_int(retv, This->length);
130 case DISPATCH_PROPERTYPUT: {
135 hres = to_number(ctx, get_arg(dp, 0), ei, &len);
141 return throw_range_error(ctx, ei, JS_E_INVALID_LENGTH, NULL);
143 for(i=len; i<This->length; i++) {
144 hres = jsdisp_delete_idx(&This->dispex, i);
153 FIXME("unimplemented flags %x\n", flags);
160 static HRESULT concat_array(jsdisp_t *array, ArrayInstance *obj, DWORD *len, jsexcept_t *ei)
166 for(i=0; i < obj->length; i++) {
167 hres = jsdisp_get_idx(&obj->dispex, i, &var, ei);
168 if(hres == DISP_E_UNKNOWNNAME)
173 hres = jsdisp_propput_idx(array, *len+i, &var, ei);
183 static HRESULT concat_obj(jsdisp_t *array, IDispatch *obj, DWORD *len, jsexcept_t *ei)
189 jsobj = iface_to_jsdisp((IUnknown*)obj);
191 if(is_class(jsobj, JSCLASS_ARRAY)) {
192 hres = concat_array(array, (ArrayInstance*)jsobj, len, ei);
193 jsdisp_release(jsobj);
196 jsdisp_release(jsobj);
199 V_VT(&var) = VT_DISPATCH;
200 V_DISPATCH(&var) = obj;
201 return jsdisp_propput_idx(array, (*len)++, &var, ei);
204 static HRESULT Array_concat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
205 VARIANT *retv, jsexcept_t *ei)
213 hres = create_array(ctx, 0, &ret);
217 hres = concat_obj(ret, jsthis->u.disp, &len, ei);
218 if(SUCCEEDED(hres)) {
222 for(i=0; i < arg_cnt(dp); i++) {
223 arg = get_arg(dp, i);
224 if(V_VT(arg) == VT_DISPATCH)
225 hres = concat_obj(ret, V_DISPATCH(arg), &len, ei);
227 hres = jsdisp_propput_idx(ret, len++, arg, ei);
237 var_set_jsdisp(retv, ret);
243 static HRESULT array_join(script_ctx_t *ctx, jsdisp_t *array, DWORD length, const WCHAR *sep, VARIANT *retv, jsexcept_t *ei)
245 BSTR *str_tab, ret = NULL;
248 HRESULT hres = E_FAIL;
252 V_VT(retv) = VT_BSTR;
253 V_BSTR(retv) = SysAllocStringLen(NULL, 0);
255 return E_OUTOFMEMORY;
260 str_tab = heap_alloc_zero(length * sizeof(BSTR));
262 return E_OUTOFMEMORY;
264 for(i=0; i < length; i++) {
265 hres = jsdisp_get_idx(array, i, &var, ei);
266 if(hres == DISP_E_UNKNOWNNAME) {
269 } else if(FAILED(hres))
272 if(V_VT(&var) != VT_EMPTY && V_VT(&var) != VT_NULL)
273 hres = to_string(ctx, &var, ei, str_tab+i);
279 if(SUCCEEDED(hres)) {
280 DWORD seplen = 0, len = 0;
283 seplen = strlenW(sep);
286 len = SysStringLen(str_tab[0]);
287 for(i=1; i < length; i++)
288 len += seplen + SysStringLen(str_tab[i]);
290 ret = SysAllocStringLen(NULL, len);
295 tmplen = SysStringLen(str_tab[0]);
296 memcpy(ret, str_tab[0], tmplen*sizeof(WCHAR));
300 for(i=1; i < length; i++) {
302 memcpy(ptr, sep, seplen*sizeof(WCHAR));
307 tmplen = SysStringLen(str_tab[i]);
308 memcpy(ptr, str_tab[i], tmplen*sizeof(WCHAR));
314 hres = E_OUTOFMEMORY;
318 for(i=0; i < length; i++)
319 SysFreeString(str_tab[i]);
324 TRACE("= %s\n", debugstr_w(ret));
328 ret = SysAllocStringLen(NULL, 0);
330 return E_OUTOFMEMORY;
333 V_VT(retv) = VT_BSTR;
342 /* ECMA-262 3rd Edition 15.4.4.5 */
343 static HRESULT Array_join(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
344 VARIANT *retv, jsexcept_t *ei)
352 hres = get_length(ctx, vthis, ei, &jsthis, &length);
359 hres = to_string(ctx, get_arg(dp,0), ei, &sep);
363 hres = array_join(ctx, jsthis, length, sep, retv, ei);
367 hres = array_join(ctx, jsthis, length, default_separatorW, retv, ei);
373 static HRESULT Array_pop(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
374 VARIANT *retv, jsexcept_t *ei)
383 hres = get_length(ctx, vthis, ei, &jsthis, &length);
388 hres = set_length(jsthis, ei, 0);
393 V_VT(retv) = VT_EMPTY;
398 hres = jsdisp_get_idx(jsthis, length, &val, ei);
399 if(SUCCEEDED(hres)) {
400 hres = jsdisp_delete_idx(jsthis, length);
401 } else if(hres == DISP_E_UNKNOWNNAME) {
402 V_VT(&val) = VT_EMPTY;
408 hres = set_length(jsthis, ei, length);
423 /* ECMA-262 3rd Edition 15.4.4.7 */
424 static HRESULT Array_push(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
425 VARIANT *retv, jsexcept_t *ei)
434 hres = get_length(ctx, vthis, ei, &jsthis, &length);
439 for(i=0; i < n; i++) {
440 hres = jsdisp_propput_idx(jsthis, length+i, get_arg(dp, i), ei);
445 hres = set_length(jsthis, ei, length+n);
450 num_set_int(retv, length+n);
454 static HRESULT Array_reverse(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
455 VARIANT *retv, jsexcept_t *ei)
460 HRESULT hres1, hres2;
464 hres1 = get_length(ctx, vthis, ei, &jsthis, &length);
468 for(k=0; k<length/2; k++) {
471 hres1 = jsdisp_get_idx(jsthis, k, &v1, ei);
472 if(FAILED(hres1) && hres1!=DISP_E_UNKNOWNNAME)
475 hres2 = jsdisp_get_idx(jsthis, l, &v2, ei);
476 if(FAILED(hres2) && hres2!=DISP_E_UNKNOWNNAME) {
481 if(hres1 == DISP_E_UNKNOWNNAME)
482 hres1 = jsdisp_delete_idx(jsthis, l);
484 hres1 = jsdisp_propput_idx(jsthis, l, &v1, ei);
492 if(hres2 == DISP_E_UNKNOWNNAME)
493 hres2 = jsdisp_delete_idx(jsthis, k);
495 hres2 = jsdisp_propput_idx(jsthis, k, &v2, ei);
504 jsdisp_addref(jsthis);
505 var_set_jsdisp(retv, jsthis);
511 /* ECMA-262 3rd Edition 15.4.4.9 */
512 static HRESULT Array_shift(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
513 VARIANT *retv, jsexcept_t *ei)
522 hres = get_length(ctx, vthis, ei, &jsthis, &length);
527 hres = set_length(jsthis, ei, 0);
534 V_VT(retv) = VT_EMPTY;
538 hres = jsdisp_get_idx(jsthis, 0, &ret, ei);
539 if(hres == DISP_E_UNKNOWNNAME) {
540 V_VT(&ret) = VT_EMPTY;
544 for(i=1; SUCCEEDED(hres) && i<length; i++) {
545 hres = jsdisp_get_idx(jsthis, i, &v, ei);
546 if(hres == DISP_E_UNKNOWNNAME)
547 hres = jsdisp_delete_idx(jsthis, i-1);
548 else if(SUCCEEDED(hres))
549 hres = jsdisp_propput_idx(jsthis, i-1, &v, ei);
552 if(SUCCEEDED(hres)) {
553 hres = jsdisp_delete_idx(jsthis, length-1);
555 hres = set_length(jsthis, ei, length-1);
558 if(SUCCEEDED(hres) && retv)
565 /* ECMA-262 3rd Edition 15.4.4.10 */
566 static HRESULT Array_slice(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
567 VARIANT *retv, jsexcept_t *ei)
569 jsdisp_t *arr, *jsthis;
571 DWORD length, start, end, idx;
576 hres = get_length(ctx, vthis, ei, &jsthis, &length);
581 hres = to_number(ctx, get_arg(dp, 0), ei, &range);
585 range = floor(range);
586 if(-range>length || isnan(range)) start = 0;
587 else if(range < 0) start = range+length;
588 else if(range <= length) start = range;
594 hres = to_number(ctx, get_arg(dp, 1), ei, &range);
598 range = floor(range);
599 if(-range>length) end = 0;
600 else if(range < 0) end = range+length;
601 else if(range <= length) end = range;
606 hres = create_array(ctx, (end>start)?end-start:0, &arr);
610 for(idx=start; idx<end; idx++) {
613 hres = jsdisp_get_idx(jsthis, idx, &v, ei);
614 if(hres == DISP_E_UNKNOWNNAME)
617 if(SUCCEEDED(hres)) {
618 hres = jsdisp_propput_idx(arr, idx-start, &v, ei);
629 var_set_jsdisp(retv, arr);
636 static HRESULT sort_cmp(script_ctx_t *ctx, jsdisp_t *cmp_func, VARIANT *v1, VARIANT *v2, jsexcept_t *ei, INT *cmp)
642 DISPPARAMS dp = {args, NULL, 2, 0};
649 hres = jsdisp_call_value(cmp_func, DISPATCH_METHOD, &dp, &res, ei);
653 hres = to_number(ctx, &res, ei, &n);
660 *cmp = n > 0.0 ? 1 : -1;
661 }else if(V_VT(v1) == VT_EMPTY) {
662 *cmp = V_VT(v2) == VT_EMPTY ? 0 : 1;
663 }else if(V_VT(v2) == VT_EMPTY) {
665 }else if(is_num_vt(V_VT(v1)) && is_num_vt(V_VT(v2))) {
666 DOUBLE d = num_val(v1)-num_val(v2);
670 *cmp = d < -0.0 ? -1 : 0;
674 hres = to_string(ctx, v1, ei, &x);
678 hres = to_string(ctx, v2, ei, &y);
679 if(SUCCEEDED(hres)) {
680 *cmp = strcmpW(x, y);
691 /* ECMA-262 3rd Edition 15.4.4.11 */
692 static HRESULT Array_sort(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
693 VARIANT *retv, jsexcept_t *ei)
695 jsdisp_t *jsthis, *cmp_func = NULL;
696 VARIANT *vtab, **sorttab = NULL;
703 hres = get_length(ctx, vthis, ei, &jsthis, &length);
707 if(arg_cnt(dp) > 1) {
708 WARN("invalid arg_cnt %d\n", arg_cnt(dp));
712 if(arg_cnt(dp) == 1) {
713 VARIANT *arg = get_arg(dp, 0);
715 if(V_VT(arg) != VT_DISPATCH) {
716 WARN("arg is not dispatch\n");
721 cmp_func = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg));
722 if(!cmp_func || !is_class(cmp_func, JSCLASS_FUNCTION)) {
723 WARN("cmp_func is not a function\n");
725 jsdisp_release(cmp_func);
732 jsdisp_release(cmp_func);
734 jsdisp_addref(jsthis);
735 var_set_jsdisp(retv, jsthis);
740 vtab = heap_alloc_zero(length * sizeof(VARIANT));
742 for(i=0; i<length; i++) {
743 hres = jsdisp_get_idx(jsthis, i, vtab+i, ei);
744 if(hres == DISP_E_UNKNOWNNAME) {
745 V_VT(vtab+i) = VT_EMPTY;
747 } else if(FAILED(hres)) {
748 WARN("Could not get elem %d: %08x\n", i, hres);
753 hres = E_OUTOFMEMORY;
756 if(SUCCEEDED(hres)) {
757 sorttab = heap_alloc(length*2*sizeof(VARIANT*));
759 hres = E_OUTOFMEMORY;
763 if(SUCCEEDED(hres)) {
764 VARIANT *tmpv, **tmpbuf;
767 tmpbuf = sorttab + length;
768 for(i=0; i < length; i++)
771 for(i=0; i < length/2; i++) {
772 hres = sort_cmp(ctx, cmp_func, sorttab[2*i+1], sorttab[2*i], ei, &cmp);
778 sorttab[2*i] = sorttab[2*i+1];
779 sorttab[2*i+1] = tmpv;
783 if(SUCCEEDED(hres)) {
786 for(k=2; k < length; k *= 2) {
787 for(i=0; i+k < length; i += 2*k) {
792 bend = length - (i+k);
794 memcpy(tmpbuf, sorttab+i, k*sizeof(VARIANT*));
796 while(a < k && b < bend) {
797 hres = sort_cmp(ctx, cmp_func, tmpbuf[a], sorttab[i+k+b], ei, &cmp);
802 sorttab[i+a+b] = tmpbuf[a];
805 sorttab[i+a+b] = sorttab[i+k+b];
814 memcpy(sorttab+i+a+b, tmpbuf+a, (k-a)*sizeof(VARIANT*));
822 for(i=0; SUCCEEDED(hres) && i < length; i++)
823 hres = jsdisp_propput_idx(jsthis, i, sorttab[i], ei);
827 for(i=0; i < length; i++)
828 VariantClear(vtab+i);
833 jsdisp_release(cmp_func);
839 jsdisp_addref(jsthis);
840 var_set_jsdisp(retv, jsthis);
846 /* ECMA-262 3rd Edition 15.4.4.12 */
847 static HRESULT Array_splice(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
848 VARIANT *retv, jsexcept_t *ei)
850 DWORD length, start=0, delete_cnt=0, argc, i, add_args = 0;
851 jsdisp_t *ret_array = NULL, *jsthis;
859 hres = get_length(ctx, vthis, ei, &jsthis, &length);
865 hres = to_integer(ctx, get_arg(dp,0), ei, &d);
871 start = min(n, length);
873 start = -n > length ? 0 : length + n;
875 start = d < 0.0 ? 0 : length;
880 hres = to_integer(ctx, get_arg(dp,1), ei, &d);
886 delete_cnt = min(n, length-start);
888 delete_cnt = length-start;
895 hres = create_array(ctx, 0, &ret_array);
899 for(i=0; SUCCEEDED(hres) && i < delete_cnt; i++) {
900 hres = jsdisp_get_idx(jsthis, start+i, &v, ei);
901 if(hres == DISP_E_UNKNOWNNAME)
903 else if(SUCCEEDED(hres))
904 hres = jsdisp_propput_idx(ret_array, i, &v, ei);
907 if(SUCCEEDED(hres)) {
908 num_set_int(&v, delete_cnt);
909 hres = jsdisp_propput_name(ret_array, lengthW, &v, ei);
913 if(add_args < delete_cnt) {
914 for(i = start; SUCCEEDED(hres) && i < length-delete_cnt; i++) {
915 hres = jsdisp_get_idx(jsthis, i+delete_cnt, &v, ei);
916 if(hres == DISP_E_UNKNOWNNAME)
917 hres = jsdisp_delete_idx(jsthis, i+add_args);
918 else if(SUCCEEDED(hres))
919 hres = jsdisp_propput_idx(jsthis, i+add_args, &v, ei);
922 for(i=length; SUCCEEDED(hres) && i != length-delete_cnt+add_args; i--)
923 hres = jsdisp_delete_idx(jsthis, i-1);
924 }else if(add_args > delete_cnt) {
925 for(i=length-delete_cnt; SUCCEEDED(hres) && i != start; i--) {
926 hres = jsdisp_get_idx(jsthis, i+delete_cnt-1, &v, ei);
927 if(hres == DISP_E_UNKNOWNNAME)
928 hres = jsdisp_delete_idx(jsthis, i+add_args-1);
929 else if(SUCCEEDED(hres))
930 hres = jsdisp_propput_idx(jsthis, i+add_args-1, &v, ei);
934 for(i=0; SUCCEEDED(hres) && i < add_args; i++)
935 hres = jsdisp_propput_idx(jsthis, start+i, get_arg(dp,i+2), ei);
937 if(SUCCEEDED(hres)) {
938 num_set_int(&v, length-delete_cnt+add_args);
939 hres = jsdisp_propput_name(jsthis, lengthW, &v, ei);
944 jsdisp_release(ret_array);
949 var_set_jsdisp(retv, ret_array);
953 /* ECMA-262 3rd Edition 15.4.4.2 */
954 static HRESULT Array_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
955 VARIANT *retv, jsexcept_t *ei)
957 ArrayInstance *array;
961 array = array_this(jsthis);
963 return throw_type_error(ctx, ei, JS_E_ARRAY_EXPECTED, NULL);
965 return array_join(ctx, &array->dispex, array->length, default_separatorW, retv, ei);
968 static HRESULT Array_toLocaleString(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
969 VARIANT *retv, jsexcept_t *ei)
975 /* ECMA-262 3rd Edition 15.4.4.13 */
976 static HRESULT Array_unshift(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
977 VARIANT *retv, jsexcept_t *ei)
980 WCHAR buf[14], *buf_end, *str;
981 DWORD argc, i, length;
988 hres = get_length(ctx, vthis, ei, &jsthis, &length);
994 buf_end = buf + sizeof(buf)/sizeof(WCHAR)-1;
999 str = idx_to_str(i, buf_end);
1001 hres = jsdisp_get_id(jsthis, str, 0, &id);
1002 if(SUCCEEDED(hres)) {
1003 hres = jsdisp_propget(jsthis, id, &var, ei);
1007 hres = jsdisp_propput_idx(jsthis, i+argc, &var, ei);
1009 }else if(hres == DISP_E_UNKNOWNNAME) {
1010 hres = IDispatchEx_DeleteMemberByDispID(vthis->u.dispex, id);
1018 for(i=0; i<argc; i++) {
1019 hres = jsdisp_propput_idx(jsthis, i, get_arg(dp,i), ei);
1026 hres = set_length(jsthis, ei, length);
1032 if(ctx->version < 2)
1033 V_VT(retv) = VT_EMPTY;
1035 num_set_int(retv, length);
1040 static HRESULT Array_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
1041 VARIANT *retv, jsexcept_t *ei)
1047 return throw_type_error(ctx, ei, JS_E_FUNCTION_EXPECTED, NULL);
1048 case INVOKE_PROPERTYGET:
1049 return array_join(ctx, jsthis->u.jsdisp, array_from_vdisp(jsthis)->length, default_separatorW, retv, ei);
1051 FIXME("unimplemented flags %x\n", flags);
1058 static void Array_destructor(jsdisp_t *dispex)
1063 static void Array_on_put(jsdisp_t *dispex, const WCHAR *name)
1065 ArrayInstance *array = (ArrayInstance*)dispex;
1066 const WCHAR *ptr = name;
1072 while(*ptr && isdigitW(*ptr)) {
1073 id = id*10 + (*ptr-'0');
1080 if(id >= array->length)
1081 array->length = id+1;
1084 static const builtin_prop_t Array_props[] = {
1085 {concatW, Array_concat, PROPF_METHOD|1},
1086 {joinW, Array_join, PROPF_METHOD|1},
1087 {lengthW, Array_length, 0},
1088 {popW, Array_pop, PROPF_METHOD},
1089 {pushW, Array_push, PROPF_METHOD|1},
1090 {reverseW, Array_reverse, PROPF_METHOD},
1091 {shiftW, Array_shift, PROPF_METHOD},
1092 {sliceW, Array_slice, PROPF_METHOD|2},
1093 {sortW, Array_sort, PROPF_METHOD|1},
1094 {spliceW, Array_splice, PROPF_METHOD|2},
1095 {toLocaleStringW, Array_toLocaleString, PROPF_METHOD},
1096 {toStringW, Array_toString, PROPF_METHOD},
1097 {unshiftW, Array_unshift, PROPF_METHOD|1},
1100 static const builtin_info_t Array_info = {
1102 {NULL, Array_value, 0},
1103 sizeof(Array_props)/sizeof(*Array_props),
1109 static HRESULT ArrayConstr_value(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
1110 VARIANT *retv, jsexcept_t *ei)
1120 case DISPATCH_METHOD:
1121 case DISPATCH_CONSTRUCT: {
1122 if(arg_cnt(dp) == 1 && V_VT((arg_var = get_arg(dp, 0))) == VT_I4) {
1123 if(V_I4(arg_var) < 0)
1124 return throw_range_error(ctx, ei, JS_E_INVALID_LENGTH, NULL);
1126 hres = create_array(ctx, V_I4(arg_var), &obj);
1130 var_set_jsdisp(retv, obj);
1134 hres = create_array(ctx, arg_cnt(dp), &obj);
1138 for(i=0; i < arg_cnt(dp); i++) {
1139 hres = jsdisp_propput_idx(obj, i, get_arg(dp, i), ei);
1144 jsdisp_release(obj);
1148 var_set_jsdisp(retv, obj);
1152 FIXME("unimplemented flags: %x\n", flags);
1159 static HRESULT alloc_array(script_ctx_t *ctx, jsdisp_t *object_prototype, ArrayInstance **ret)
1161 ArrayInstance *array;
1164 array = heap_alloc_zero(sizeof(ArrayInstance));
1166 return E_OUTOFMEMORY;
1168 if(object_prototype)
1169 hres = init_dispex(&array->dispex, ctx, &Array_info, object_prototype);
1171 hres = init_dispex_from_constr(&array->dispex, ctx, &Array_info, ctx->array_constr);
1182 HRESULT create_array_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
1184 ArrayInstance *array;
1187 static const WCHAR ArrayW[] = {'A','r','r','a','y',0};
1189 hres = alloc_array(ctx, object_prototype, &array);
1193 hres = create_builtin_function(ctx, ArrayConstr_value, ArrayW, NULL, PROPF_CONSTR|1, &array->dispex, ret);
1195 jsdisp_release(&array->dispex);
1199 HRESULT create_array(script_ctx_t *ctx, DWORD length, jsdisp_t **ret)
1201 ArrayInstance *array;
1204 hres = alloc_array(ctx, NULL, &array);
1208 array->length = length;
1210 *ret = &array->dispex;