/* ECMA-262 5.1 Edition 15.4.3.2 */
static HRESULT ArrayConstr_isArray(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
jsdisp_t *obj;
TRACE("\n");
if(!argc || !is_object_instance(argv[0])) {
if(r) *r = jsval_bool(FALSE);
return S_OK;
}
obj = iface_to_jsdisp(get_object(argv[0]));
if(r) *r = jsval_bool(obj && is_class(obj, JSCLASS_ARRAY));
if(obj) jsdisp_release(obj);
return S_OK;
}
static HRESULT maybe_to_primitive(script_ctx_t *ctx, jsval_t val, jsval_t *r)
{
jsdisp_t *obj;
HRESULT hres;
if(!is_object_instance(val) || !get_object(val) || !(obj = iface_to_jsdisp((IUnknown*)get_object(val))))
return jsval_copy(val, r);
if(is_class(obj, JSCLASS_NUMBER)) {
double n;
hres = to_number(ctx, val, &n);
jsdisp_release(obj);
if(SUCCEEDED(hres))
*r = jsval_number(n);
return hres;
}
if(is_class(obj, JSCLASS_STRING)) {
jsstr_t *str;
hres = to_string(ctx, val, &str);
jsdisp_release(obj);
if(SUCCEEDED(hres))
*r = jsval_string(str);
return hres;
}
if(is_class(obj, JSCLASS_BOOLEAN)) {
*r = jsval_bool(bool_obj_value(obj));
jsdisp_release(obj);
return S_OK;
}
*r = jsval_obj(obj);
return S_OK;
}
HRESULT variant_to_jsval(VARIANT *var, jsval_t *r)
{
switch(V_VT(var)) {
case VT_EMPTY:
*r = jsval_undefined();
return S_OK;
case VT_NULL:
*r = jsval_null();
return S_OK;
case VT_BOOL:
*r = jsval_bool(V_BOOL(var));
return S_OK;
case VT_I4:
*r = jsval_number(V_I4(var));
return S_OK;
case VT_R8:
*r = jsval_number(V_R8(var));
return S_OK;
case VT_BSTR: {
jsstr_t *str;
str = jsstr_alloc_len(V_BSTR(var), SysStringLen(V_BSTR(var)));
if(!str)
return E_OUTOFMEMORY;
if(!V_BSTR(var))
str->length_flags |= JSSTR_FLAG_NULLBSTR;
*r = jsval_string(str);
return S_OK;
}
case VT_DISPATCH: {
if(V_DISPATCH(var))
IDispatch_AddRef(V_DISPATCH(var));
*r = jsval_disp(V_DISPATCH(var));
return S_OK;
}
case VT_I2:
*r = jsval_number(V_I2(var));
return S_OK;
case VT_INT:
*r = jsval_number(V_INT(var));
return S_OK;
case VT_UNKNOWN:
if(V_UNKNOWN(var)) {
IDispatch *disp;
HRESULT hres;
hres = IUnknown_QueryInterface(V_UNKNOWN(var), &IID_IDispatch, (void**)&disp);
if(SUCCEEDED(hres)) {
*r = jsval_disp(disp);
return S_OK;
}
}
/* fall through */
default:
return jsval_variant(r, var);
}
}
static HRESULT Enumerator_atEnd(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
EnumeratorInstance *This;
if (!(This = enumerator_this(jsthis)))
return throw_type_error(ctx, JS_E_ENUMERATOR_EXPECTED, NULL);
TRACE("%d\n", This->atend);
if (r)
*r = jsval_bool(This->atend);
return S_OK;
}
static HRESULT RegExp_test(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
match_state_t *match;
jsstr_t *undef_str;
heap_pool_t *mark;
BOOL b;
HRESULT hres;
TRACE("\n");
mark = heap_pool_mark(&ctx->tmp_heap);
hres = run_exec(ctx, jsthis, argc ? argv[0] : jsval_string(undef_str = jsstr_undefined()), NULL, &match, &b);
heap_pool_clear(mark);
if(!argc)
jsstr_release(undef_str);
if(FAILED(hres))
return hres;
if(r)
*r = jsval_bool(b);
return S_OK;
}
/* ECMA-262 5.1 Edition 15.12.1.2 */
static HRESULT parse_json_value(json_parse_ctx_t *ctx, jsval_t *r)
{
HRESULT hres;
switch(skip_spaces(ctx)) {
/* JSONNullLiteral */
case 'n':
if(!is_keyword(ctx, nullW))
break;
*r = jsval_null();
return S_OK;
/* JSONBooleanLiteral */
case 't':
if(!is_keyword(ctx, trueW))
break;
*r = jsval_bool(TRUE);
return S_OK;
case 'f':
if(!is_keyword(ctx, falseW))
break;
*r = jsval_bool(FALSE);
return S_OK;
/* JSONObject */
case '{': {
WCHAR *prop_name;
jsdisp_t *obj;
jsval_t val;
hres = create_object(ctx->ctx, NULL, &obj);
if(FAILED(hres))
return hres;
ctx->ptr++;
if(skip_spaces(ctx) == '}') {
ctx->ptr++;
*r = jsval_obj(obj);
return S_OK;
}
while(1) {
if(*ctx->ptr != '"')
break;
hres = parse_json_string(ctx, &prop_name);
if(FAILED(hres))
break;
if(skip_spaces(ctx) != ':') {
FIXME("missing ':'\n");
heap_free(prop_name);
break;
}
ctx->ptr++;
hres = parse_json_value(ctx, &val);
if(SUCCEEDED(hres)) {
hres = jsdisp_propput_name(obj, prop_name, val);
jsval_release(val);
}
heap_free(prop_name);
if(FAILED(hres))
break;
if(skip_spaces(ctx) == '}') {
ctx->ptr++;
*r = jsval_obj(obj);
return S_OK;
}
if(*ctx->ptr++ != ',') {
FIXME("expected ','\n");
break;
}
skip_spaces(ctx);
}
jsdisp_release(obj);
break;
}
/* JSONString */
case '"': {
WCHAR *string;
jsstr_t *str;
hres = parse_json_string(ctx, &string);
if(FAILED(hres))
return hres;
/* FIXME: avoid reallocation */
str = jsstr_alloc(string);
heap_free(string);
if(!str)
return E_OUTOFMEMORY;
*r = jsval_string(str);
return S_OK;
}
/* JSONArray */
case '[': {
jsdisp_t *array;
unsigned i = 0;
jsval_t val;
hres = create_array(ctx->ctx, 0, &array);
if(FAILED(hres))
return hres;
ctx->ptr++;
if(skip_spaces(ctx) == ']') {
ctx->ptr++;
*r = jsval_obj(array);
return S_OK;
}
while(1) {
hres = parse_json_value(ctx, &val);
if(FAILED(hres))
break;
hres = jsdisp_propput_idx(array, i, val);
jsval_release(val);
if(FAILED(hres))
break;
if(skip_spaces(ctx) == ']') {
ctx->ptr++;
*r = jsval_obj(array);
return S_OK;
}
if(*ctx->ptr != ',') {
FIXME("expected ','\n");
break;
}
ctx->ptr++;
i++;
}
jsdisp_release(array);
break;
}
/* JSONNumber */
default: {
int sign = 1;
double n;
if(*ctx->ptr == '-') {
sign = -1;
ctx->ptr++;
skip_spaces(ctx);
}
if(!isdigitW(*ctx->ptr))
break;
if(*ctx->ptr == '0') {
ctx->ptr++;
n = 0;
if(is_identifier_char(*ctx->ptr))
break;
}else {
hres = parse_decimal(&ctx->ptr, ctx->end, &n);
if(FAILED(hres))
return hres;
}
*r = jsval_number(sign*n);
return S_OK;
}
}
FIXME("Syntax error at %s\n", debugstr_w(ctx->ptr));
return E_FAIL;
}
HRESULT variant_to_jsval(VARIANT *var, jsval_t *r)
{
if(V_VT(var) == (VT_VARIANT|VT_BYREF))
var = V_VARIANTREF(var);
switch(V_VT(var)) {
case VT_EMPTY:
*r = jsval_undefined();
return S_OK;
case VT_NULL:
*r = jsval_null();
return S_OK;
case VT_BOOL:
*r = jsval_bool(V_BOOL(var));
return S_OK;
case VT_I4:
*r = jsval_number(V_I4(var));
return S_OK;
case VT_R8:
*r = jsval_number(V_R8(var));
return S_OK;
case VT_BSTR: {
jsstr_t *str;
if(V_BSTR(var)) {
str = jsstr_alloc_len(V_BSTR(var), SysStringLen(V_BSTR(var)));
if(!str)
return E_OUTOFMEMORY;
}else {
str = jsstr_null_bstr();
}
*r = jsval_string(str);
return S_OK;
}
case VT_DISPATCH: {
if(V_DISPATCH(var))
IDispatch_AddRef(V_DISPATCH(var));
*r = jsval_disp(V_DISPATCH(var));
return S_OK;
}
case VT_I2:
*r = jsval_number(V_I2(var));
return S_OK;
case VT_UI2:
*r = jsval_number(V_UI2(var));
return S_OK;
case VT_INT:
*r = jsval_number(V_INT(var));
return S_OK;
case VT_UI4:
*r = jsval_number(V_UI4(var));
return S_OK;
case VT_UI8:
/*
* Native doesn't support VT_UI8 here, but it's needed for IE9+ APIs
* (native IE9 doesn't use jscript.dll for JavaScript).
*/
*r = jsval_number(V_UI8(var));
return S_OK;
case VT_R4:
*r = jsval_number(V_R4(var));
return S_OK;
case VT_UNKNOWN:
if(V_UNKNOWN(var)) {
IDispatch *disp;
HRESULT hres;
hres = IUnknown_QueryInterface(V_UNKNOWN(var), &IID_IDispatch, (void**)&disp);
if(SUCCEEDED(hres)) {
*r = jsval_disp(disp);
return S_OK;
}
}else {
*r = jsval_disp(NULL);
return S_OK;
}
/* fall through */
default:
return jsval_variant(r, var);
}
}
