static HRESULT RegExp_exec(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
match_state_t *match;
heap_pool_t *mark;
BOOL b;
jsstr_t *string;
HRESULT hres;
TRACE("\n");
mark = heap_pool_mark(&ctx->tmp_heap);
hres = run_exec(ctx, jsthis, argc ? argv[0] : jsval_string(jsstr_empty()), &string, &match, &b);
if(FAILED(hres)) {
heap_pool_clear(mark);
return hres;
}
if(r) {
if(b) {
IDispatch *ret;
hres = create_match_array(ctx, string, match, &ret);
if(SUCCEEDED(hres))
*r = jsval_disp(ret);
}else {
*r = jsval_null();
}
}
heap_pool_clear(mark);
jsstr_release(string);
return hres;
}
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 Function_get_arguments(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
FunctionInstance *function = function_from_jsdisp(jsthis);
TRACE("\n");
*r = function->arguments ? jsval_obj(jsdisp_addref(function->arguments)) : jsval_null();
return S_OK;
}
static HRESULT String_search(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsdisp_t *regexp = NULL;
const WCHAR *str;
jsstr_t *jsstr;
match_state_t match, *match_ptr = &match;
HRESULT hres;
TRACE("\n");
hres = get_string_flat_val(ctx, jsthis, &jsstr, &str);
if(FAILED(hres))
return hres;
if(!argc) {
if(r)
*r = jsval_null();
jsstr_release(jsstr);
return S_OK;
}
if(is_object_instance(argv[0])) {
regexp = iface_to_jsdisp(get_object(argv[0]));
if(regexp && !is_class(regexp, JSCLASS_REGEXP)) {
jsdisp_release(regexp);
regexp = NULL;
}
}
if(!regexp) {
hres = create_regexp_var(ctx, argv[0], NULL, ®exp);
if(FAILED(hres)) {
jsstr_release(jsstr);
return hres;
}
}
match.cp = str;
hres = regexp_match_next(ctx, regexp, REM_RESET_INDEX|REM_NO_PARENS, jsstr, &match_ptr);
jsstr_release(jsstr);
jsdisp_release(regexp);
if(FAILED(hres))
return hres;
if(r)
*r = jsval_number(hres == S_OK ? match.cp-match.match_len-str : -1);
return S_OK;
}
static HRESULT Function_get_arguments(script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
{
FunctionInstance *function = function_from_jsdisp(jsthis);
call_frame_t *frame;
TRACE("\n");
for(frame = ctx->call_ctx; frame; frame = frame->prev_frame) {
if(frame->function_instance == &function->dispex) {
*r = jsval_obj(jsdisp_addref(frame->arguments_obj));
return S_OK;
}
}
*r = jsval_null();
return S_OK;
}
/* ECMA-262 3rd Edition 15.5.4.10 */
static HRESULT String_match(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
{
jsdisp_t *regexp = NULL;
jsstr_t *str;
HRESULT hres;
TRACE("\n");
if(!argc) {
if(r)
*r = jsval_null();
return S_OK;
}
if(is_object_instance(argv[0])) {
regexp = iface_to_jsdisp(get_object(argv[0]));
if(regexp && !is_class(regexp, JSCLASS_REGEXP)) {
jsdisp_release(regexp);
regexp = NULL;
}
}
if(!regexp) {
jsstr_t *match_str;
hres = to_string(ctx, argv[0], &match_str);
if(FAILED(hres))
return hres;
hres = create_regexp(ctx, match_str, 0, ®exp);
jsstr_release(match_str);
if(FAILED(hres))
return hres;
}
hres = get_string_val(ctx, jsthis, &str);
if(SUCCEEDED(hres))
hres = regexp_string_match(ctx, regexp, str, r);
jsdisp_release(regexp);
jsstr_release(str);
return hres;
}
static HRESULT Function_arguments(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags,
unsigned argc, jsval_t *argv, jsval_t *r)
{
FunctionInstance *function = (FunctionInstance*)jsthis->u.jsdisp;
HRESULT hres = S_OK;
TRACE("\n");
switch(flags) {
case DISPATCH_PROPERTYGET: {
*r = function->arguments ? jsval_obj(jsdisp_addref(function->arguments)) : jsval_null();
break;
}
case DISPATCH_PROPERTYPUT:
break;
default:
FIXME("unimplemented flags %x\n", flags);
hres = E_NOTIMPL;
}
return hres;
}
/* 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 regexp_string_match(script_ctx_t *ctx, jsdisp_t *re, jsstr_t *str, jsval_t *r)
{
static const WCHAR indexW[] = {'i','n','d','e','x',0};
static const WCHAR inputW[] = {'i','n','p','u','t',0};
static const WCHAR lastIndexW[] = {'l','a','s','t','I','n','d','e','x',0};
RegExpInstance *regexp = (RegExpInstance*)re;
match_result_t *match_result;
unsigned match_cnt, i;
jsdisp_t *array;
HRESULT hres;
if(!(regexp->jsregexp->flags & REG_GLOB)) {
match_state_t *match;
heap_pool_t *mark;
mark = heap_pool_mark(&ctx->tmp_heap);
match = alloc_match_state(regexp->jsregexp, &ctx->tmp_heap, str->str);
if(!match) {
heap_pool_clear(mark);
return E_OUTOFMEMORY;
}
hres = regexp_match_next(ctx, ®exp->dispex, 0, str, &match);
if(FAILED(hres)) {
heap_pool_clear(mark);
return hres;
}
if(r) {
if(hres == S_OK) {
IDispatch *ret;
hres = create_match_array(ctx, str, match, &ret);
if(SUCCEEDED(hres))
*r = jsval_disp(ret);
}else {
*r = jsval_null();
}
}
heap_pool_clear(mark);
return S_OK;
}
hres = regexp_match(ctx, ®exp->dispex, str, FALSE, &match_result, &match_cnt);
if(FAILED(hres))
return hres;
if(!match_cnt) {
TRACE("no match\n");
if(r)
*r = jsval_null();
return S_OK;
}
hres = create_array(ctx, match_cnt, &array);
if(FAILED(hres))
return hres;
for(i=0; i < match_cnt; i++) {
jsstr_t *tmp_str;
tmp_str = jsstr_substr(str, match_result[i].index, match_result[i].length);
if(!tmp_str) {
hres = E_OUTOFMEMORY;
break;
}
hres = jsdisp_propput_idx(array, i, jsval_string(tmp_str));
jsstr_release(tmp_str);
if(FAILED(hres))
break;
}
while(SUCCEEDED(hres)) {
hres = jsdisp_propput_name(array, indexW, jsval_number(match_result[match_cnt-1].index));
if(FAILED(hres))
break;
hres = jsdisp_propput_name(array, lastIndexW,
jsval_number(match_result[match_cnt-1].index + match_result[match_cnt-1].length));
if(FAILED(hres))
break;
hres = jsdisp_propput_name(array, inputW, jsval_string(str));
break;
}
heap_free(match_result);
if(SUCCEEDED(hres) && r)
*r = jsval_obj(array);
else
jsdisp_release(array);
return hres;
}
/* ECMA-262 3rd Edition 9.1 */
HRESULT to_primitive(script_ctx_t *ctx, jsval_t val, jsval_t *ret, hint_t hint)
{
if(is_object_instance(val)) {
jsdisp_t *jsdisp;
jsval_t prim;
DISPID id;
HRESULT hres;
static const WCHAR toStringW[] = {'t','o','S','t','r','i','n','g',0};
static const WCHAR valueOfW[] = {'v','a','l','u','e','O','f',0};
if(!get_object(val)) {
*ret = jsval_null();
return S_OK;
}
jsdisp = iface_to_jsdisp((IUnknown*)get_object(val));
if(!jsdisp)
return disp_propget(ctx, get_object(val), DISPID_VALUE, ret);
if(hint == NO_HINT)
hint = is_class(jsdisp, JSCLASS_DATE) ? HINT_STRING : HINT_NUMBER;
/* Native implementation doesn't throw TypeErrors, returns strange values */
hres = jsdisp_get_id(jsdisp, hint == HINT_STRING ? toStringW : valueOfW, 0, &id);
if(SUCCEEDED(hres)) {
hres = jsdisp_call(jsdisp, id, DISPATCH_METHOD, 0, NULL, &prim);
if(FAILED(hres)) {
WARN("call error - forwarding exception\n");
jsdisp_release(jsdisp);
return hres;
}else if(!is_object_instance(prim)) {
jsdisp_release(jsdisp);
*ret = prim;
return S_OK;
}else {
IDispatch_Release(get_object(prim));
}
}
hres = jsdisp_get_id(jsdisp, hint == HINT_STRING ? valueOfW : toStringW, 0, &id);
if(SUCCEEDED(hres)) {
hres = jsdisp_call(jsdisp, id, DISPATCH_METHOD, 0, NULL, &prim);
if(FAILED(hres)) {
WARN("call error - forwarding exception\n");
jsdisp_release(jsdisp);
return hres;
}else if(!is_object_instance(prim)) {
jsdisp_release(jsdisp);
*ret = prim;
return S_OK;
}else {
IDispatch_Release(get_object(prim));
}
}
jsdisp_release(jsdisp);
WARN("failed\n");
return throw_type_error(ctx, JS_E_TO_PRIMITIVE, NULL);
}
return jsval_copy(val, ret);
}
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);
}
}