/* * Copyright 2008 Jacek Caban for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include "jscript.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(jscript); typedef struct { jsdisp_t dispex; DWORD length; } ArrayInstance; static const WCHAR lengthW[] = {'l','e','n','g','t','h',0}; static const WCHAR concatW[] = {'c','o','n','c','a','t',0}; static const WCHAR joinW[] = {'j','o','i','n',0}; static const WCHAR popW[] = {'p','o','p',0}; static const WCHAR pushW[] = {'p','u','s','h',0}; static const WCHAR reverseW[] = {'r','e','v','e','r','s','e',0}; static const WCHAR shiftW[] = {'s','h','i','f','t',0}; static const WCHAR sliceW[] = {'s','l','i','c','e',0}; static const WCHAR sortW[] = {'s','o','r','t',0}; static const WCHAR spliceW[] = {'s','p','l','i','c','e',0}; static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0}; static const WCHAR toLocaleStringW[] = {'t','o','L','o','c','a','l','e','S','t','r','i','n','g',0}; static const WCHAR unshiftW[] = {'u','n','s','h','i','f','t',0}; static const WCHAR default_separatorW[] = {',',0}; static inline ArrayInstance *array_from_vdisp(vdisp_t *vdisp) { return (ArrayInstance*)vdisp->u.jsdisp; } static inline ArrayInstance *array_this(vdisp_t *jsthis) { return is_vclass(jsthis, JSCLASS_ARRAY) ? array_from_vdisp(jsthis) : NULL; } static HRESULT get_length(script_ctx_t *ctx, vdisp_t *vdisp, jsexcept_t *ei, jsdisp_t **jsthis, DWORD *ret) { ArrayInstance *array; VARIANT var; HRESULT hres; array = array_this(vdisp); if(array) { *jsthis = &array->dispex; *ret = array->length; return S_OK; } if(!is_jsdisp(vdisp)) return throw_type_error(ctx, ei, IDS_JSCRIPT_EXPECTED, NULL); hres = jsdisp_propget_name(vdisp->u.jsdisp, lengthW, &var, ei, NULL/*FIXME*/); if(FAILED(hres)) return hres; hres = to_uint32(ctx, &var, ei, ret); VariantClear(&var); if(FAILED(hres)) return hres; *jsthis = vdisp->u.jsdisp; return S_OK; } static HRESULT set_length(jsdisp_t *obj, jsexcept_t *ei, DWORD length) { VARIANT var; if(is_class(obj, JSCLASS_ARRAY)) { ((ArrayInstance*)obj)->length = length; return S_OK; } V_VT(&var) = VT_I4; V_I4(&var) = length; return jsdisp_propput_name(obj, lengthW, &var, ei, NULL/*FIXME*/); } static WCHAR *idx_to_str(DWORD idx, WCHAR *ptr) { if(!idx) { *ptr = '0'; return ptr; } while(idx) { *ptr-- = '0' + (idx%10); idx /= 10; } return ptr+1; } static HRESULT Array_length(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { ArrayInstance *This = array_from_vdisp(jsthis); TRACE("%p %d\n", This, This->length); switch(flags) { case DISPATCH_PROPERTYGET: V_VT(retv) = VT_I4; V_I4(retv) = This->length; break; case DISPATCH_PROPERTYPUT: { VARIANT num; DOUBLE len = -1; DWORD i; HRESULT hres; hres = to_number(ctx, get_arg(dp, 0), ei, &num); if(V_VT(&num) == VT_I4) len = V_I4(&num); else len = floor(V_R8(&num)); if(len!=(DWORD)len) return throw_range_error(ctx, ei, IDS_INVALID_LENGTH, NULL); for(i=len; ilength; i++) { hres = jsdisp_delete_idx(&This->dispex, i); if(FAILED(hres)) return hres; } This->length = len; break; } default: FIXME("unimplemented flags %x\n", flags); return E_NOTIMPL; } return S_OK; } static HRESULT concat_array(jsdisp_t *array, ArrayInstance *obj, DWORD *len, jsexcept_t *ei, IServiceProvider *caller) { VARIANT var; DWORD i; HRESULT hres; for(i=0; i < obj->length; i++) { hres = jsdisp_get_idx(&obj->dispex, i, &var, ei, caller); if(hres == DISP_E_UNKNOWNNAME) continue; if(FAILED(hres)) return hres; hres = jsdisp_propput_idx(array, *len+i, &var, ei, caller); VariantClear(&var); if(FAILED(hres)) return hres; } *len += obj->length; return S_OK; } static HRESULT concat_obj(jsdisp_t *array, IDispatch *obj, DWORD *len, jsexcept_t *ei, IServiceProvider *caller) { jsdisp_t *jsobj; VARIANT var; HRESULT hres; jsobj = iface_to_jsdisp((IUnknown*)obj); if(jsobj) { if(is_class(jsobj, JSCLASS_ARRAY)) { hres = concat_array(array, (ArrayInstance*)jsobj, len, ei, caller); jsdisp_release(jsobj); return hres; } jsdisp_release(jsobj); } V_VT(&var) = VT_DISPATCH; V_DISPATCH(&var) = obj; return jsdisp_propput_idx(array, (*len)++, &var, ei, caller); } static HRESULT Array_concat(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller) { jsdisp_t *ret; DWORD len = 0; HRESULT hres; TRACE("\n"); hres = create_array(ctx, 0, &ret); if(FAILED(hres)) return hres; hres = concat_obj(ret, jsthis->u.disp, &len, ei, caller); if(SUCCEEDED(hres)) { VARIANT *arg; DWORD i; for(i=0; i < arg_cnt(dp); i++) { arg = get_arg(dp, i); if(V_VT(arg) == VT_DISPATCH) hres = concat_obj(ret, V_DISPATCH(arg), &len, ei, caller); else hres = jsdisp_propput_idx(ret, len++, arg, ei, caller); if(FAILED(hres)) break; } } if(FAILED(hres)) return hres; if(retv) var_set_jsdisp(retv, ret); else jsdisp_release(ret); return S_OK; } static HRESULT array_join(script_ctx_t *ctx, jsdisp_t *array, DWORD length, const WCHAR *sep, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller) { BSTR *str_tab, ret = NULL; VARIANT var; DWORD i; HRESULT hres = E_FAIL; if(!length) { if(retv) { V_VT(retv) = VT_BSTR; V_BSTR(retv) = SysAllocStringLen(NULL, 0); if(!V_BSTR(retv)) return E_OUTOFMEMORY; } return S_OK; } str_tab = heap_alloc_zero(length * sizeof(BSTR)); if(!str_tab) return E_OUTOFMEMORY; for(i=0; i < length; i++) { hres = jsdisp_get_idx(array, i, &var, ei, caller); if(hres == DISP_E_UNKNOWNNAME) { hres = S_OK; continue; } else if(FAILED(hres)) break; if(V_VT(&var) != VT_EMPTY && V_VT(&var) != VT_NULL) hres = to_string(ctx, &var, ei, str_tab+i); VariantClear(&var); if(FAILED(hres)) break; } if(SUCCEEDED(hres)) { DWORD seplen = 0, len = 0; WCHAR *ptr; seplen = strlenW(sep); if(str_tab[0]) len = SysStringLen(str_tab[0]); for(i=1; i < length; i++) len += seplen + SysStringLen(str_tab[i]); ret = SysAllocStringLen(NULL, len); if(ret) { DWORD tmplen = 0; if(str_tab[0]) { tmplen = SysStringLen(str_tab[0]); memcpy(ret, str_tab[0], tmplen*sizeof(WCHAR)); } ptr = ret + tmplen; for(i=1; i < length; i++) { if(seplen) { memcpy(ptr, sep, seplen*sizeof(WCHAR)); ptr += seplen; } if(str_tab[i]) { tmplen = SysStringLen(str_tab[i]); memcpy(ptr, str_tab[i], tmplen*sizeof(WCHAR)); ptr += tmplen; } } *ptr=0; }else { hres = E_OUTOFMEMORY; } } for(i=0; i < length; i++) SysFreeString(str_tab[i]); heap_free(str_tab); if(FAILED(hres)) return hres; TRACE("= %s\n", debugstr_w(ret)); if(retv) { if(!ret) { ret = SysAllocStringLen(NULL, 0); if(!ret) return E_OUTOFMEMORY; } V_VT(retv) = VT_BSTR; V_BSTR(retv) = ret; }else { SysFreeString(ret); } return S_OK; } /* ECMA-262 3rd Edition 15.4.4.5 */ static HRESULT Array_join(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller) { jsdisp_t *jsthis; DWORD length; HRESULT hres; TRACE("\n"); hres = get_length(ctx, vthis, ei, &jsthis, &length); if(FAILED(hres)) return hres; if(arg_cnt(dp)) { BSTR sep; hres = to_string(ctx, get_arg(dp,0), ei, &sep); if(FAILED(hres)) return hres; hres = array_join(ctx, jsthis, length, sep, retv, ei, caller); SysFreeString(sep); }else { hres = array_join(ctx, jsthis, length, default_separatorW, retv, ei, caller); } return hres; } static HRESULT Array_pop(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller) { jsdisp_t *jsthis; VARIANT val; DWORD length; HRESULT hres; TRACE("\n"); hres = get_length(ctx, vthis, ei, &jsthis, &length); if(FAILED(hres)) return hres; if(!length) { hres = set_length(jsthis, ei, 0); if(FAILED(hres)) return hres; if(retv) V_VT(retv) = VT_EMPTY; return S_OK; } length--; hres = jsdisp_get_idx(jsthis, length, &val, ei, caller); if(SUCCEEDED(hres)) { hres = jsdisp_delete_idx(jsthis, length); } else if(hres == DISP_E_UNKNOWNNAME) { V_VT(&val) = VT_EMPTY; hres = S_OK; } else return hres; if(SUCCEEDED(hres)) hres = set_length(jsthis, ei, length); if(FAILED(hres)) { VariantClear(&val); return hres; } if(retv) *retv = val; else VariantClear(&val); return S_OK; } /* ECMA-262 3rd Edition 15.4.4.7 */ static HRESULT Array_push(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { jsdisp_t *jsthis; DWORD length = 0; int i, n; HRESULT hres; TRACE("\n"); hres = get_length(ctx, vthis, ei, &jsthis, &length); if(FAILED(hres)) return hres; n = arg_cnt(dp); for(i=0; i < n; i++) { hres = jsdisp_propput_idx(jsthis, length+i, get_arg(dp, i), ei, sp); if(FAILED(hres)) return hres; } hres = set_length(jsthis, ei, length+n); if(FAILED(hres)) return hres; if(retv) { V_VT(retv) = VT_I4; V_I4(retv) = length+n; } return S_OK; } static HRESULT Array_reverse(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { jsdisp_t *jsthis; DWORD length, k, l; VARIANT v1, v2; HRESULT hres1, hres2; TRACE("\n"); hres1 = get_length(ctx, vthis, ei, &jsthis, &length); if(FAILED(hres1)) return hres1; for(k=0; klength || isnan(range)) start = 0; else if(range < 0) start = range+length; else if(range <= length) start = range; else start = length; } else start = 0; if(arg_cnt(dp)>1) { hres = to_number(ctx, get_arg(dp, 1), ei, &v); if(FAILED(hres)) return hres; if(V_VT(&v) == VT_I4) range = V_I4(&v); else range = floor(V_R8(&v)); if(-range>length) end = 0; else if(range < 0) end = range+length; else if(range <= length) end = range; else end = length; } else end = length; hres = create_array(ctx, (end>start)?end-start:0, &arr); if(FAILED(hres)) return hres; for(idx=start; idx 0.0 ? 1 : -1; }else if(V_VT(v1) == VT_EMPTY) { *cmp = V_VT(v2) == VT_EMPTY ? 0 : 1; }else if(V_VT(v2) == VT_EMPTY) { *cmp = -1; }else if(is_num_vt(V_VT(v1)) && is_num_vt(V_VT(v2))) { DOUBLE d = num_val(v1)-num_val(v2); if(d > 0.0) *cmp = 1; else *cmp = d < -0.0 ? -1 : 0; }else { BSTR x, y; hres = to_string(ctx, v1, ei, &x); if(FAILED(hres)) return hres; hres = to_string(ctx, v2, ei, &y); if(SUCCEEDED(hres)) { *cmp = strcmpW(x, y); SysFreeString(y); } SysFreeString(x); if(FAILED(hres)) return hres; } return S_OK; } /* ECMA-262 3rd Edition 15.4.4.11 */ static HRESULT Array_sort(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller) { jsdisp_t *jsthis, *cmp_func = NULL; VARIANT *vtab, **sorttab = NULL; DWORD length; DWORD i; HRESULT hres = S_OK; TRACE("\n"); hres = get_length(ctx, vthis, ei, &jsthis, &length); if(FAILED(hres)) return hres; if(arg_cnt(dp) > 1) { WARN("invalid arg_cnt %d\n", arg_cnt(dp)); return E_FAIL; } if(arg_cnt(dp) == 1) { VARIANT *arg = get_arg(dp, 0); if(V_VT(arg) != VT_DISPATCH) { WARN("arg is not dispatch\n"); return E_FAIL; } cmp_func = iface_to_jsdisp((IUnknown*)V_DISPATCH(arg)); if(!cmp_func || !is_class(cmp_func, JSCLASS_FUNCTION)) { WARN("cmp_func is not a function\n"); if(cmp_func) jsdisp_release(cmp_func); return E_FAIL; } } if(!length) { if(cmp_func) jsdisp_release(cmp_func); if(retv) { jsdisp_addref(jsthis); var_set_jsdisp(retv, jsthis); } return S_OK; } vtab = heap_alloc_zero(length * sizeof(VARIANT)); if(vtab) { for(i=0; i= 1) { hres = to_integer(ctx, get_arg(dp,0), ei, &v); if(FAILED(hres)) return hres; if(V_VT(&v) == VT_I4) { if(V_I4(&v) >= 0) start = min(V_I4(&v), length); else start = -V_I4(&v) > length ? 0 : length + V_I4(&v); }else { start = V_R8(&v) < 0.0 ? 0 : length; } } if(argc >= 2) { hres = to_integer(ctx, get_arg(dp,1), ei, &v); if(FAILED(hres)) return hres; if(V_VT(&v) == VT_I4) { if(V_I4(&v) > 0) delete_cnt = min(V_I4(&v), length-start); }else if(V_R8(&v) > 0.0) { delete_cnt = length-start; } add_args = argc-2; } if(retv) { hres = create_array(ctx, 0, &ret_array); if(FAILED(hres)) return hres; for(i=0; SUCCEEDED(hres) && i < delete_cnt; i++) { hres = jsdisp_get_idx(jsthis, start+i, &v, ei, caller); if(hres == DISP_E_UNKNOWNNAME) hres = S_OK; else if(SUCCEEDED(hres)) hres = jsdisp_propput_idx(ret_array, i, &v, ei, caller); } if(SUCCEEDED(hres)) { V_VT(&v) = VT_I4; V_I4(&v) = delete_cnt; hres = jsdisp_propput_name(ret_array, lengthW, &v, ei, caller); } } if(add_args < delete_cnt) { for(i = start; SUCCEEDED(hres) && i < length-delete_cnt; i++) { hres = jsdisp_get_idx(jsthis, i+delete_cnt, &v, ei, caller); if(hres == DISP_E_UNKNOWNNAME) hres = jsdisp_delete_idx(jsthis, i+add_args); else if(SUCCEEDED(hres)) hres = jsdisp_propput_idx(jsthis, i+add_args, &v, ei, caller); } for(i=length; SUCCEEDED(hres) && i != length-delete_cnt+add_args; i--) hres = jsdisp_delete_idx(jsthis, i-1); }else if(add_args > delete_cnt) { for(i=length-delete_cnt; SUCCEEDED(hres) && i != start; i--) { hres = jsdisp_get_idx(jsthis, i+delete_cnt-1, &v, ei, caller); if(hres == DISP_E_UNKNOWNNAME) hres = jsdisp_delete_idx(jsthis, i+add_args-1); else if(SUCCEEDED(hres)) hres = jsdisp_propput_idx(jsthis, i+add_args-1, &v, ei, caller); } } for(i=0; SUCCEEDED(hres) && i < add_args; i++) hres = jsdisp_propput_idx(jsthis, start+i, get_arg(dp,i+2), ei, caller); if(SUCCEEDED(hres)) { V_VT(&v) = VT_I4; V_I4(&v) = length-delete_cnt+add_args; hres = jsdisp_propput_name(jsthis, lengthW, &v, ei, caller); } if(FAILED(hres)) { if(ret_array) jsdisp_release(ret_array); return hres; } if(retv) var_set_jsdisp(retv, ret_array); return S_OK; } /* ECMA-262 3rd Edition 15.4.4.2 */ static HRESULT Array_toString(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { ArrayInstance *array; TRACE("\n"); array = array_this(jsthis); if(!array) return throw_type_error(ctx, ei, IDS_ARRAY_EXPECTED, NULL); return array_join(ctx, &array->dispex, array->length, default_separatorW, retv, ei, sp); } static HRESULT Array_toLocaleString(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { FIXME("\n"); return E_NOTIMPL; } /* ECMA-262 3rd Edition 15.4.4.13 */ static HRESULT Array_unshift(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller) { jsdisp_t *jsthis; WCHAR buf[14], *buf_end, *str; DWORD argc, i, length; VARIANT var; DISPID id; HRESULT hres; TRACE("\n"); hres = get_length(ctx, vthis, ei, &jsthis, &length); if(FAILED(hres)) return hres; argc = arg_cnt(dp); if(argc) { buf_end = buf + sizeof(buf)/sizeof(WCHAR)-1; *buf_end-- = 0; i = length; while(i--) { str = idx_to_str(i, buf_end); hres = jsdisp_get_id(jsthis, str, 0, &id); if(SUCCEEDED(hres)) { hres = jsdisp_propget(jsthis, id, &var, ei, caller); if(FAILED(hres)) return hres; hres = jsdisp_propput_idx(jsthis, i+argc, &var, ei, caller); VariantClear(&var); }else if(hres == DISP_E_UNKNOWNNAME) { hres = IDispatchEx_DeleteMemberByDispID(vthis->u.dispex, id); } } if(FAILED(hres)) return hres; } for(i=0; iversion < 2) { V_VT(retv) = VT_EMPTY; }else { V_VT(retv) = VT_I4; V_I4(retv) = length; } } return S_OK; } static HRESULT Array_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp) { TRACE("\n"); switch(flags) { case INVOKE_FUNC: return throw_type_error(ctx, ei, IDS_NOT_FUNC, NULL); case INVOKE_PROPERTYGET: return array_join(ctx, jsthis->u.jsdisp, array_from_vdisp(jsthis)->length, default_separatorW, retv, ei, sp); default: FIXME("unimplemented flags %x\n", flags); return E_NOTIMPL; } return S_OK; } static void Array_destructor(jsdisp_t *dispex) { heap_free(dispex); } static void Array_on_put(jsdisp_t *dispex, const WCHAR *name) { ArrayInstance *array = (ArrayInstance*)dispex; const WCHAR *ptr = name; DWORD id = 0; if(!isdigitW(*ptr)) return; while(*ptr && isdigitW(*ptr)) { id = id*10 + (*ptr-'0'); ptr++; } if(*ptr) return; if(id >= array->length) array->length = id+1; } static const builtin_prop_t Array_props[] = { {concatW, Array_concat, PROPF_METHOD|1}, {joinW, Array_join, PROPF_METHOD|1}, {lengthW, Array_length, 0}, {popW, Array_pop, PROPF_METHOD}, {pushW, Array_push, PROPF_METHOD|1}, {reverseW, Array_reverse, PROPF_METHOD}, {shiftW, Array_shift, PROPF_METHOD}, {sliceW, Array_slice, PROPF_METHOD|2}, {sortW, Array_sort, PROPF_METHOD|1}, {spliceW, Array_splice, PROPF_METHOD|2}, {toLocaleStringW, Array_toLocaleString, PROPF_METHOD}, {toStringW, Array_toString, PROPF_METHOD}, {unshiftW, Array_unshift, PROPF_METHOD|1}, }; static const builtin_info_t Array_info = { JSCLASS_ARRAY, {NULL, Array_value, 0}, sizeof(Array_props)/sizeof(*Array_props), Array_props, Array_destructor, Array_on_put }; static HRESULT ArrayConstr_value(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp, VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller) { jsdisp_t *obj; VARIANT *arg_var; DWORD i; HRESULT hres; TRACE("\n"); switch(flags) { case DISPATCH_METHOD: case DISPATCH_CONSTRUCT: { if(arg_cnt(dp) == 1 && V_VT((arg_var = get_arg(dp, 0))) == VT_I4) { if(V_I4(arg_var) < 0) return throw_range_error(ctx, ei, IDS_INVALID_LENGTH, NULL); hres = create_array(ctx, V_I4(arg_var), &obj); if(FAILED(hres)) return hres; var_set_jsdisp(retv, obj); return S_OK; } hres = create_array(ctx, arg_cnt(dp), &obj); if(FAILED(hres)) return hres; for(i=0; i < arg_cnt(dp); i++) { hres = jsdisp_propput_idx(obj, i, get_arg(dp, i), ei, caller); if(FAILED(hres)) break; } if(FAILED(hres)) { jsdisp_release(obj); return hres; } var_set_jsdisp(retv, obj); break; } default: FIXME("unimplemented flags: %x\n", flags); return E_NOTIMPL; } return S_OK; } static HRESULT alloc_array(script_ctx_t *ctx, jsdisp_t *object_prototype, ArrayInstance **ret) { ArrayInstance *array; HRESULT hres; array = heap_alloc_zero(sizeof(ArrayInstance)); if(!array) return E_OUTOFMEMORY; if(object_prototype) hres = init_dispex(&array->dispex, ctx, &Array_info, object_prototype); else hres = init_dispex_from_constr(&array->dispex, ctx, &Array_info, ctx->array_constr); if(FAILED(hres)) { heap_free(array); return hres; } *ret = array; return S_OK; } HRESULT create_array_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret) { ArrayInstance *array; HRESULT hres; static const WCHAR ArrayW[] = {'A','r','r','a','y',0}; hres = alloc_array(ctx, object_prototype, &array); if(FAILED(hres)) return hres; hres = create_builtin_function(ctx, ArrayConstr_value, ArrayW, NULL, PROPF_CONSTR|1, &array->dispex, ret); jsdisp_release(&array->dispex); return hres; } HRESULT create_array(script_ctx_t *ctx, DWORD length, jsdisp_t **ret) { ArrayInstance *array; HRESULT hres; hres = alloc_array(ctx, NULL, &array); if(FAILED(hres)) return hres; array->length = length; *ret = &array->dispex; return S_OK; }