EncodedJSValue JSC_HOST_CALL functionProtoFuncToString(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (thisValue.inherits(JSFunction::info())) {
JSFunction* function = jsCast<JSFunction*>(thisValue);
if (function->isHostOrBuiltinFunction()) {
String name;
if (JSBoundFunction* boundFunction = jsDynamicCast<JSBoundFunction*>(function))
name = boundFunction->toStringName(exec);
else
name = function->name(exec);
return JSValue::encode(jsMakeNontrivialString(exec, "function ", name, "() {\n [native code]\n}"));
}
FunctionExecutable* executable = function->jsExecutable();
String functionHeader = executable->isArrowFunction() ? "" : "function ";
StringView source = executable->source().provider()->getRange(
executable->parametersStartOffset(),
executable->parametersStartOffset() + executable->source().length());
return JSValue::encode(jsMakeNontrivialString(exec, functionHeader, function->name(exec), source));
}
if (thisValue.inherits(InternalFunction::info())) {
InternalFunction* function = asInternalFunction(thisValue);
return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}"));
}
return throwVMTypeError(exec);
}
EncodedJSValue JSC_HOST_CALL functionProtoFuncToString(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue thisValue = exec->thisValue();
if (thisValue.inherits(JSFunction::info())) {
JSFunction* function = jsCast<JSFunction*>(thisValue);
if (function->isHostOrBuiltinFunction()) {
scope.release();
return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(vm), "() {\n [native code]\n}"));
}
FunctionExecutable* executable = function->jsExecutable();
if (executable->isClass()) {
StringView classSource = executable->classSource().view();
return JSValue::encode(jsString(exec, classSource.toStringWithoutCopying()));
}
if (thisValue.inherits(JSAsyncFunction::info())) {
String functionHeader = executable->isArrowFunction() ? "async " : "async function ";
StringView source = executable->source().provider()->getRange(
executable->parametersStartOffset(),
executable->parametersStartOffset() + executable->source().length());
return JSValue::encode(jsMakeNontrivialString(exec, functionHeader, function->name(vm), source));
}
String functionHeader = executable->isArrowFunction() ? "" : "function ";
StringView source = executable->source().provider()->getRange(
executable->parametersStartOffset(),
executable->parametersStartOffset() + executable->source().length());
scope.release();
return JSValue::encode(jsMakeNontrivialString(exec, functionHeader, function->name(vm), source));
}
if (thisValue.inherits(InternalFunction::info())) {
InternalFunction* function = asInternalFunction(thisValue);
scope.release();
return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(), "() {\n [native code]\n}"));
}
if (thisValue.isObject()) {
JSObject* object = asObject(thisValue);
if (object->inlineTypeFlags() & TypeOfShouldCallGetCallData) {
CallData callData;
if (object->methodTable(vm)->getCallData(object, callData) != CallType::None) {
if (auto* classInfo = object->classInfo()) {
scope.release();
return JSValue::encode(jsMakeNontrivialString(exec, "function ", classInfo->className, "() {\n [native code]\n}"));
}
}
}
}
return throwVMTypeError(exec, scope);
}
EncodedJSValue JSC_HOST_CALL regExpProtoFuncToString(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.isObject())
return throwVMTypeError(exec);
JSObject* thisObject = asObject(thisValue);
StringRecursionChecker checker(exec, thisObject);
if (JSValue earlyReturnValue = checker.earlyReturnValue())
return JSValue::encode(earlyReturnValue);
VM& vm = exec->vm();
JSValue sourceValue = thisObject->get(exec, vm.propertyNames->source);
if (vm.exception())
return JSValue::encode(jsUndefined());
String source = sourceValue.toString(exec)->value(exec);
if (vm.exception())
return JSValue::encode(jsUndefined());
JSValue flagsValue = thisObject->get(exec, vm.propertyNames->flags);
if (vm.exception())
return JSValue::encode(jsUndefined());
String flags = flagsValue.toString(exec)->value(exec);
if (vm.exception())
return JSValue::encode(jsUndefined());
return JSValue::encode(jsMakeNontrivialString(exec, '/', source, '/', flags));
}
EncodedJSValue JSC_HOST_CALL regExpProtoFuncToString(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&RegExpObject::s_info)) {
if (thisValue.inherits(&RegExpPrototype::s_info))
return JSValue::encode(jsNontrivialString(exec, "//"));
return throwVMTypeError(exec);
}
RegExpObject* thisObject = asRegExpObject(thisValue);
StringRecursionChecker checker(exec, thisObject);
if (EncodedJSValue earlyReturnValue = checker.earlyReturnValue())
return earlyReturnValue;
char postfix[5] = { '/', 0, 0, 0, 0 };
int index = 1;
if (thisObject->get(exec, exec->propertyNames().global).toBoolean(exec))
postfix[index++] = 'g';
if (thisObject->get(exec, exec->propertyNames().ignoreCase).toBoolean(exec))
postfix[index++] = 'i';
if (thisObject->get(exec, exec->propertyNames().multiline).toBoolean(exec))
postfix[index] = 'm';
UString source = thisObject->get(exec, exec->propertyNames().source).toString(exec);
// If source is empty, use "/(?:)/" to avoid colliding with comment syntax
return JSValue::encode(jsMakeNontrivialString(exec, "/", source.length() ? source : UString("(?:)"), postfix));
}
// ECMA-262 5.1, 15.11.4.4
EncodedJSValue JSC_HOST_CALL errorProtoFuncToString(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
// 1. Let O be the this value.
JSValue thisValue = exec->thisValue();
// 2. If Type(O) is not Object, throw a TypeError exception.
if (!thisValue.isObject())
return throwVMTypeError(exec, scope);
JSObject* thisObj = asObject(thisValue);
// Guard against recursion!
StringRecursionChecker checker(exec, thisObj);
ASSERT(!scope.exception() || checker.earlyReturnValue());
if (JSValue earlyReturnValue = checker.earlyReturnValue())
return JSValue::encode(earlyReturnValue);
// 3. Let name be the result of calling the [[Get]] internal method of O with argument "name".
JSValue name = thisObj->get(exec, exec->propertyNames().name);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
// 4. If name is undefined, then let name be "Error"; else let name be ToString(name).
String nameString;
if (name.isUndefined())
nameString = ASCIILiteral("Error");
else {
nameString = name.toWTFString(exec);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
}
// 5. Let msg be the result of calling the [[Get]] internal method of O with argument "message".
JSValue message = thisObj->get(exec, exec->propertyNames().message);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
// (sic)
// 6. If msg is undefined, then let msg be the empty String; else let msg be ToString(msg).
// 7. If msg is undefined, then let msg be the empty String; else let msg be ToString(msg).
String messageString;
if (message.isUndefined())
messageString = String();
else {
messageString = message.toWTFString(exec);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
}
// 8. If name is the empty String, return msg.
if (!nameString.length())
return JSValue::encode(message.isString() ? message : jsString(exec, messageString));
// 9. If msg is the empty String, return name.
if (!messageString.length())
return JSValue::encode(name.isString() ? name : jsString(exec, nameString));
// 10. Return the result of concatenating name, ":", a single space character, and msg.
scope.release();
return JSValue::encode(jsMakeNontrivialString(exec, nameString, ": ", messageString));
}
EncodedJSValue JSC_HOST_CALL errorProtoFuncToString(ExecState* exec)
{
JSObject* thisObj = exec->hostThisValue().toThisObject(exec);
JSValue name = thisObj->get(exec, exec->propertyNames().name);
JSValue message = thisObj->get(exec, exec->propertyNames().message);
// Mozilla-compatible format.
if (!name.isUndefined()) {
if (!message.isUndefined())
return JSValue::encode(jsMakeNontrivialString(exec, name.toString(exec), ": ", message.toString(exec)));
return JSValue::encode(jsNontrivialString(exec, name.toString(exec)));
}
if (!message.isUndefined())
return JSValue::encode(jsMakeNontrivialString(exec, "Error: ", message.toString(exec)));
return JSValue::encode(jsNontrivialString(exec, "Error"));
}
// ECMA 15.9.2
static EncodedJSValue JSC_HOST_CALL callDate(ExecState* exec)
{
GregorianDateTime ts;
msToGregorianDateTime(exec, currentTimeMS(), false, ts);
DateConversionBuffer date;
DateConversionBuffer time;
formatDate(ts, date);
formatTime(ts, time);
return JSValue::encode(jsMakeNontrivialString(exec, date, " ", time));
}
EncodedTiValue JSC_HOST_CALL functionProtoFuncToString(TiExcState* exec)
{
TiValue thisValue = exec->hostThisValue();
if (thisValue.inherits(&TiFunction::s_info)) {
TiFunction* function = asFunction(thisValue);
if (function->isHostFunction())
return TiValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}"));
FunctionExecutable* executable = function->jsExecutable();
UString sourceString = executable->source().toString();
insertSemicolonIfNeeded(sourceString);
return TiValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "(", executable->paramString(), ") ", sourceString));
}
if (thisValue.inherits(&InternalFunction::s_info)) {
InternalFunction* function = asInternalFunction(thisValue);
return TiValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}"));
}
return throwVMTypeError(exec);
}
EncodedJSValue JSC_HOST_CALL functionProtoFuncToString(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (thisValue.inherits(JSFunction::info())) {
JSFunction* function = jsCast<JSFunction*>(thisValue);
if (function->isHostOrBuiltinFunction())
return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}"));
FunctionExecutable* executable = function->jsExecutable();
String sourceString = executable->source().toString();
insertSemicolonIfNeeded(sourceString, executable->bodyIncludesBraces());
return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "(", executable->paramString(), ") ", sourceString));
}
if (thisValue.inherits(InternalFunction::info())) {
InternalFunction* function = asInternalFunction(thisValue);
return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}"));
}
return throwVMTypeError(exec);
}
// ECMA 15.9.2
static EncodedJSValue JSC_HOST_CALL callDate(ExecState* exec)
{
time_t localTime = time(0);
tm localTM;
getLocalTime(&localTime, &localTM);
GregorianDateTime ts(exec, localTM);
DateConversionBuffer date;
DateConversionBuffer time;
formatDate(ts, date);
formatTime(ts, time);
return JSValue::encode(jsMakeNontrivialString(exec, date, " ", time));
}
// ECMA 15.9.2
static AJValue JSC_HOST_CALL callDate(ExecState* exec, AJObject*, AJValue, const ArgList&)
{
time_t localTime = time(0);
tm localTM;
getLocalTime(&localTime, &localTM);
GregorianDateTime ts(exec, localTM);
DateConversionBuffer date;
DateConversionBuffer time;
formatDate(ts, date);
formatTime(ts, time);
return jsMakeNontrivialString(exec, date, " ", time);
}
EncodedTiValue JSC_HOST_CALL errorProtoFuncToString(TiExcState* exec)
{
TiObject* thisObj = exec->hostThisValue().toThisObject(exec);
StringRecursionChecker checker(exec, thisObj);
if (EncodedTiValue earlyReturnValue = checker.earlyReturnValue())
return earlyReturnValue;
TiValue name = thisObj->get(exec, exec->propertyNames().name);
TiValue message = thisObj->get(exec, exec->propertyNames().message);
// Mozilla-compatible format.
if (!name.isUndefined()) {
if (!message.isUndefined())
return TiValue::encode(jsMakeNontrivialString(exec, name.toString(exec), ": ", message.toString(exec)));
return TiValue::encode(jsNontrivialString(exec, name.toString(exec)));
}
if (!message.isUndefined())
return TiValue::encode(jsMakeNontrivialString(exec, "Error: ", message.toString(exec)));
return TiValue::encode(jsNontrivialString(exec, "Error"));
}
EncodedJSValue JSC_HOST_CALL functionProtoFuncToString(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (thisValue.inherits(JSFunction::info())) {
JSFunction* function = jsCast<JSFunction*>(thisValue);
if (function->isHostOrBuiltinFunction())
return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}"));
FunctionExecutable* executable = function->jsExecutable();
String source = executable->source().provider()->getRange(
executable->parametersStartOffset(),
executable->typeProfilingEndOffset() + 1); // Type profiling end offset is the character before the '}'.
return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), source));
}
if (thisValue.inherits(InternalFunction::info())) {
InternalFunction* function = asInternalFunction(thisValue);
return JSValue::encode(jsMakeNontrivialString(exec, "function ", function->name(exec), "() {\n [native code]\n}"));
}
return throwVMTypeError(exec);
}
EncodedJSValue JSC_HOST_CALL dateProtoFuncToGMTString(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
if (!thisValue.inherits(&DateInstance::s_info))
return throwVMTypeError(exec);
DateInstance* thisDateObj = asDateInstance(thisValue);
const GregorianDateTime* gregorianDateTime = thisDateObj->gregorianDateTimeUTC(exec);
if (!gregorianDateTime)
return JSValue::encode(jsNontrivialString(exec, "Invalid Date"));
DateConversionBuffer date;
DateConversionBuffer time;
formatDateUTCVariant(*gregorianDateTime, date);
formatTimeUTC(*gregorianDateTime, time);
return JSValue::encode(jsMakeNontrivialString(exec, date, " ", time));
}
EncodedJSValue JSC_HOST_CALL objectProtoFuncToString(ExecState* exec)
{
JSValue thisValue = exec->hostThisValue();
return JSValue::encode(jsMakeNontrivialString(exec, "[object ", thisValue.toThisObject(exec)->className(), "]"));
}
AJValue JSC_HOST_CALL objectProtoFuncToString(ExecState* exec, AJObject*, AJValue thisValue, const ArgList&)
{
return jsMakeNontrivialString(exec, "[object ", thisValue.toThisObject(exec)->className(), "]");
}