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wine-wine/dlls/jscript/array.c

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/*
* 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 "jscript.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
typedef struct {
DispatchEx 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 valueOfW[] = {'v','a','l','u','e','O','f',0};
static const WCHAR unshiftW[] = {'u','n','s','h','i','f','t',0};
static const WCHAR hasOwnPropertyW[] = {'h','a','s','O','w','n','P','r','o','p','e','r','t','y',0};
static const WCHAR propertyIsEnumerableW[] =
{'p','r','o','p','e','r','t','y','I','s','E','n','u','m','e','r','a','b','l','e',0};
static const WCHAR isPrototypeOfW[] = {'i','s','P','r','o','t','o','t','y','p','e','O','f',0};
static const WCHAR default_separatorW[] = {',',0};
static HRESULT Array_length(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
ArrayInstance *This = (ArrayInstance*)dispex;
TRACE("%p %d\n", This, This->length);
switch(flags) {
case DISPATCH_PROPERTYGET:
V_VT(retv) = VT_I4;
V_I4(retv) = This->length;
break;
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT concat_array(DispatchEx *array, ArrayInstance *obj, DWORD *len, LCID lcid,
jsexcept_t *ei, IServiceProvider *caller)
{
VARIANT var;
DWORD i;
HRESULT hres;
for(i=0; i < obj->length; i++) {
hres = jsdisp_propget_idx(&obj->dispex, i, lcid, &var, ei, caller);
if(hres == DISP_E_UNKNOWNNAME)
continue;
if(FAILED(hres))
return hres;
hres = jsdisp_propput_idx(array, *len+i, lcid, &var, ei, caller);
VariantClear(&var);
if(FAILED(hres))
return hres;
}
*len += obj->length;
return S_OK;
}
static HRESULT concat_obj(DispatchEx *array, IDispatch *obj, DWORD *len, LCID lcid, jsexcept_t *ei, IServiceProvider *caller)
{
DispatchEx *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, lcid, 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)++, lcid, &var, ei, caller);
}
static HRESULT Array_concat(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
DispatchEx *ret;
DWORD len = 0;
HRESULT hres;
TRACE("\n");
hres = create_array(dispex->ctx, 0, &ret);
if(FAILED(hres))
return hres;
hres = concat_obj(ret, (IDispatch*)_IDispatchEx_(dispex), &len, lcid, 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, lcid, ei, caller);
else
hres = jsdisp_propput_idx(ret, len++, lcid, arg, ei, caller);
if(FAILED(hres))
break;
}
}
if(FAILED(hres))
return hres;
if(retv) {
V_VT(retv) = VT_DISPATCH;
V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(ret);
}else {
jsdisp_release(ret);
}
return S_OK;
}
static HRESULT array_join(DispatchEx *array, LCID lcid, 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_propget_idx(array, i, lcid, &var, ei, caller);
if(FAILED(hres))
break;
if(V_VT(&var) != VT_EMPTY && V_VT(&var) != VT_NULL)
hres = to_string(array->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(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
DWORD length;
HRESULT hres;
TRACE("\n");
if(is_class(dispex, JSCLASS_ARRAY)) {
length = ((ArrayInstance*)dispex)->length;
}else {
FIXME("dispid is not Array\n");
return E_NOTIMPL;
}
if(arg_cnt(dp)) {
BSTR sep;
hres = to_string(dispex->ctx, dp->rgvarg + dp->cArgs-1, ei, &sep);
if(FAILED(hres))
return hres;
hres = array_join(dispex, lcid, length, sep, retv, ei, caller);
SysFreeString(sep);
}else {
hres = array_join(dispex, lcid, length, default_separatorW, retv, ei, caller);
}
return hres;
}
static HRESULT Array_pop(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
VARIANT val;
DWORD length;
WCHAR buf[14];
DISPID id;
HRESULT hres;
static const WCHAR formatW[] = {'%','d',0};
TRACE("\n");
if(is_class(dispex, JSCLASS_ARRAY)) {
ArrayInstance *array = (ArrayInstance*)dispex;
length = array->length;
}else {
FIXME("not Array this\n");
return E_NOTIMPL;
}
if(!length) {
if(retv)
V_VT(retv) = VT_EMPTY;
return S_OK;
}
sprintfW(buf, formatW, --length);
hres = jsdisp_get_id(dispex, buf, 0, &id);
if(SUCCEEDED(hres)) {
hres = jsdisp_propget(dispex, id, lcid, &val, ei, caller);
if(FAILED(hres))
return hres;
hres = IDispatchEx_DeleteMemberByDispID(_IDispatchEx_(dispex), id);
}else if(hres == DISP_E_UNKNOWNNAME) {
V_VT(&val) = VT_EMPTY;
hres = S_OK;
}else {
return hres;
}
if(SUCCEEDED(hres)) {
if(is_class(dispex, JSCLASS_ARRAY)) {
ArrayInstance *array = (ArrayInstance*)dispex;
array->length = 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(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
DWORD length = 0;
int i, n;
HRESULT hres;
TRACE("\n");
if(dispex->builtin_info->class == JSCLASS_ARRAY) {
length = ((ArrayInstance*)dispex)->length;
}else {
FIXME("not Array this\n");
return E_NOTIMPL;
}
n = dp->cArgs - dp->cNamedArgs;
for(i=0; i < n; i++) {
hres = jsdisp_propput_idx(dispex, length+i, lcid, get_arg(dp, i), ei, sp);
if(FAILED(hres))
return hres;
}
if(retv) {
V_VT(retv) = VT_I4;
V_I4(retv) = length+n;
}
return S_OK;
}
static HRESULT Array_reverse(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT Array_shift(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT Array_slice(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT sort_cmp(script_ctx_t *ctx, DispatchEx *cmp_func, VARIANT *v1, VARIANT *v2, jsexcept_t *ei,
IServiceProvider *caller, INT *cmp)
{
HRESULT hres;
if(cmp_func) {
VARIANTARG args[2];
DISPPARAMS dp = {args, NULL, 2, 0};
VARIANT tmp;
VARIANT res;
args[0] = *v2;
args[1] = *v1;
hres = jsdisp_call_value(cmp_func, ctx->lcid, DISPATCH_METHOD, &dp, &res, ei, caller);
if(FAILED(hres))
return hres;
hres = to_number(ctx, &res, ei, &tmp);
VariantClear(&res);
if(FAILED(hres))
return hres;
if(V_VT(&tmp) == VT_I4)
*cmp = V_I4(&tmp);
else
*cmp = V_R8(&tmp) > 0.0 ? 1 : -1;
}else if(is_num_vt(V_VT(v1))) {
if(is_num_vt(V_VT(v2))) {
DOUBLE d = num_val(v1)-num_val(v2);
if(d > 0.0)
*cmp = 1;
else if(d < -0.0)
*cmp = -1;
else
*cmp = 0;
}else {
*cmp = -1;
}
}else if(is_num_vt(V_VT(v2))) {
*cmp = 1;
}else if(V_VT(v1) == VT_BSTR) {
if(V_VT(v2) == VT_BSTR)
*cmp = strcmpW(V_BSTR(v1), V_BSTR(v2));
else
*cmp = -1;
}else if(V_VT(v2) == VT_BSTR) {
*cmp = 1;
}else {
*cmp = 0;
}
return S_OK;
}
/* ECMA-262 3rd Edition 15.4.4.11 */
static HRESULT Array_sort(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
DispatchEx *cmp_func = NULL;
VARIANT *vtab, **sorttab = NULL;
DWORD length;
DWORD i;
HRESULT hres = S_OK;
TRACE("\n");
if(is_class(dispex, JSCLASS_ARRAY)) {
length = ((ArrayInstance*)dispex)->length;
}else {
FIXME("unsupported this not array\n");
return E_NOTIMPL;
}
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) {
V_VT(retv) = VT_DISPATCH;
V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(dispex);
IDispatchEx_AddRef(_IDispatchEx_(dispex));
}
return S_OK;
}
vtab = heap_alloc_zero(length * sizeof(VARIANT));
if(vtab) {
for(i=0; i<length; i++) {
hres = jsdisp_propget_idx(dispex, i, lcid, vtab+i, ei, caller);
if(FAILED(hres) && hres != DISP_E_UNKNOWNNAME) {
WARN("Could not get elem %d: %08x\n", i, hres);
break;
}
}
}else {
hres = E_OUTOFMEMORY;
}
if(SUCCEEDED(hres)) {
sorttab = heap_alloc(length*2*sizeof(VARIANT*));
if(!sorttab)
hres = E_OUTOFMEMORY;
}
/* merge-sort */
if(SUCCEEDED(hres)) {
VARIANT *tmpv, **tmpbuf;
INT cmp;
tmpbuf = sorttab + length;
for(i=0; i < length; i++)
sorttab[i] = vtab+i;
for(i=0; i < length/2; i++) {
hres = sort_cmp(dispex->ctx, cmp_func, sorttab[2*i+1], sorttab[2*i], ei, caller, &cmp);
if(FAILED(hres))
break;
if(cmp < 0) {
tmpv = sorttab[2*i];
sorttab[2*i] = sorttab[2*i+1];
sorttab[2*i+1] = tmpv;
}
}
if(SUCCEEDED(hres)) {
DWORD k, a, b, bend;
for(k=2; k < length; k *= 2) {
for(i=0; i+k < length; i += 2*k) {
a = b = 0;
if(i+2*k <= length)
bend = k;
else
bend = length - (i+k);
memcpy(tmpbuf, sorttab+i, k*sizeof(VARIANT*));
while(a < k && b < bend) {
hres = sort_cmp(dispex->ctx, cmp_func, tmpbuf[a], sorttab[i+k+b], ei, caller, &cmp);
if(FAILED(hres))
break;
if(cmp < 0) {
sorttab[i+a+b] = tmpbuf[a];
a++;
}else {
sorttab[i+a+b] = sorttab[i+k+b];
b++;
}
}
if(FAILED(hres))
break;
if(a < k)
memcpy(sorttab+i+a+b, tmpbuf+a, (k-a)*sizeof(VARIANT*));
}
if(FAILED(hres))
break;
}
}
for(i=0; SUCCEEDED(hres) && i < length; i++)
hres = jsdisp_propput_idx(dispex, i, lcid, sorttab[i], ei, caller);
}
if(vtab) {
for(i=0; i < length; i++)
VariantClear(vtab+i);
heap_free(vtab);
}
heap_free(sorttab);
if(cmp_func)
jsdisp_release(cmp_func);
if(FAILED(hres))
return hres;
if(retv) {
V_VT(retv) = VT_DISPATCH;
V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(dispex);
IDispatch_AddRef(_IDispatchEx_(dispex));
}
return S_OK;
}
static HRESULT Array_splice(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
/* ECMA-262 3rd Edition 15.4.4.2 */
static HRESULT Array_toString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
if(!is_class(dispex, JSCLASS_ARRAY)) {
WARN("not Array object\n");
return E_FAIL;
}
return array_join(dispex, lcid, ((ArrayInstance*)dispex)->length, default_separatorW, retv, ei, sp);
}
static HRESULT Array_toLocaleString(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT Array_valueOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT Array_unshift(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT Array_hasOwnProperty(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT Array_propertyIsEnumerable(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT Array_isPrototypeOf(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
}
static HRESULT Array_value(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
TRACE("\n");
switch(flags) {
case INVOKE_PROPERTYGET:
return array_join(dispex, lcid, ((ArrayInstance*)dispex)->length, default_separatorW, retv, ei, sp);
default:
FIXME("unimplemented flags %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static void Array_destructor(DispatchEx *dispex)
{
heap_free(dispex);
}
static void Array_on_put(DispatchEx *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},
{hasOwnPropertyW, Array_hasOwnProperty, PROPF_METHOD},
{isPrototypeOfW, Array_isPrototypeOf, PROPF_METHOD},
{joinW, Array_join, PROPF_METHOD},
{lengthW, Array_length, 0},
{popW, Array_pop, PROPF_METHOD},
{propertyIsEnumerableW, Array_propertyIsEnumerable, PROPF_METHOD},
{pushW, Array_push, PROPF_METHOD},
{reverseW, Array_reverse, PROPF_METHOD},
{shiftW, Array_shift, PROPF_METHOD},
{sliceW, Array_slice, PROPF_METHOD},
{sortW, Array_sort, PROPF_METHOD},
{spliceW, Array_splice, PROPF_METHOD},
{toLocaleStringW, Array_toLocaleString, PROPF_METHOD},
{toStringW, Array_toString, PROPF_METHOD},
{unshiftW, Array_unshift, PROPF_METHOD},
{valueOfW, Array_valueOf, PROPF_METHOD}
};
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(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
DispatchEx *obj;
VARIANT *arg_var;
DWORD i;
HRESULT hres;
TRACE("\n");
switch(flags) {
case DISPATCH_CONSTRUCT: {
if(arg_cnt(dp) == 1 && V_VT((arg_var = get_arg(dp, 0))) == VT_I4) {
if(V_I4(arg_var) < 0) {
FIXME("throw RangeError\n");
return E_FAIL;
}
hres = create_array(dispex->ctx, V_I4(arg_var), &obj);
if(FAILED(hres))
return hres;
V_VT(retv) = VT_DISPATCH;
V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
return S_OK;
}
hres = create_array(dispex->ctx, arg_cnt(dp), &obj);
if(FAILED(hres))
return hres;
for(i=0; i < arg_cnt(dp); i++) {
hres = jsdisp_propput_idx(obj, i, lcid, get_arg(dp, i), ei, caller);
if(FAILED(hres))
break;
}
if(FAILED(hres)) {
jsdisp_release(obj);
return hres;
}
V_VT(retv) = VT_DISPATCH;
V_DISPATCH(retv) = (IDispatch*)_IDispatchEx_(obj);
break;
}
default:
FIXME("unimplemented flags: %x\n", flags);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT alloc_array(script_ctx_t *ctx, BOOL use_constr, ArrayInstance **ret)
{
ArrayInstance *array;
HRESULT hres;
array = heap_alloc_zero(sizeof(ArrayInstance));
if(!array)
return E_OUTOFMEMORY;
if(use_constr)
hres = init_dispex_from_constr(&array->dispex, ctx, &Array_info, ctx->array_constr);
else
hres = init_dispex(&array->dispex, ctx, &Array_info, NULL);
if(FAILED(hres)) {
heap_free(array);
return hres;
}
*ret = array;
return S_OK;
}
HRESULT create_array_constr(script_ctx_t *ctx, DispatchEx **ret)
{
ArrayInstance *array;
HRESULT hres;
hres = alloc_array(ctx, FALSE, &array);
if(FAILED(hres))
return hres;
hres = create_builtin_function(ctx, ArrayConstr_value, PROPF_CONSTR, &array->dispex, ret);
IDispatchEx_Release(_IDispatchEx_(&array->dispex));
return hres;
}
HRESULT create_array(script_ctx_t *ctx, DWORD length, DispatchEx **ret)
{
ArrayInstance *array;
HRESULT hres;
hres = alloc_array(ctx, TRUE, &array);
if(FAILED(hres))
return hres;
array->length = length;
*ret = &array->dispex;
return S_OK;
}
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