overte-JulianGro/libraries/script-engine/src/v8/ScriptValueV8Wrapper.cpp

616 lines
26 KiB
C++

//
// ScriptValueV8Wrapper.cpp
// libraries/script-engine/src/v8
//
// Created by Heather Anderson on 5/16/21.
// Modified for V8 by dr Karol Suprynowicz on 2022/10/08
// Copyright 2021 Vircadia contributors.
// Copyright 2022 Overte e.V.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#include "ScriptValueV8Wrapper.h"
#include "ScriptValueIteratorV8Wrapper.h"
#include "../ScriptEngineLogging.h"
void ScriptValueV8Wrapper::release() {
delete this;
}
ScriptValueProxy* ScriptValueV8Wrapper::copy() const {
//V8TODO: check if the value needs to be copied or just wrapper
return new ScriptValueV8Wrapper(_engine, _value);
}
ScriptValueV8Wrapper* ScriptValueV8Wrapper::unwrap(const ScriptValue& val) {
return dynamic_cast<ScriptValueV8Wrapper*>(val.ptr());
}
V8ScriptValue ScriptValueV8Wrapper::fullUnwrap(const ScriptValue& value) const {
ScriptValueV8Wrapper* unwrapped = unwrap(value);
if (unwrapped) {
if (unwrapped->engine().get() != _engine) {
//return _engine->toScriptValue(unwrapped->toVariant());
return _engine->castVariantToValue(unwrapped->toVariant());
} else {
return unwrapped->toV8Value();
}
}
QVariant varValue = value.toVariant();
return _engine->castVariantToValue(varValue);
}
V8ScriptValue ScriptValueV8Wrapper::fullUnwrap(ScriptEngineV8* engine, const ScriptValue& value) {
ScriptValueV8Wrapper* unwrapped = unwrap(value);
if (unwrapped) {
if (unwrapped->engine().get() != engine) {
//return static_cast<QScriptEngine*>(engine)->toScriptValue(unwrapped->toVariant());
return engine->castVariantToValue(unwrapped->toVariant());
} else {
return unwrapped->toV8Value();
}
}
QVariant varValue = value.toVariant();
return engine->castVariantToValue(varValue);
}
ScriptValue ScriptValueV8Wrapper::call(const ScriptValue& thisObject, const ScriptValueList& args) {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
V8ScriptValue v8This = fullUnwrap(thisObject);
//V8ScriptValueList qArgs;
Q_ASSERT(args.length() <= Q_METAMETHOD_INVOKE_MAX_ARGS);
//V8TODO I'm not sure how else to do this since v8::Local should probably be on stack, not heap
v8::Local<v8::Value> v8Args[Q_METAMETHOD_INVOKE_MAX_ARGS];
int argIndex = 0;
for (ScriptValueList::const_iterator iter = args.begin(); iter != args.end(); ++iter) {
v8Args[argIndex++] = fullUnwrap(*iter).get();
}
//V8TODO should there be a v8 try-catch here?
// IsFunction check should be here probably
v8::Local<v8::Function> v8Function = v8::Local<v8::Function>::Cast(_value.get());
auto maybeResult = v8Function->Call(_engine->getContext(), v8This.get(), args.length(), v8Args);
v8::Local<v8::Value> result;
if (maybeResult.ToLocal(&result)) {
return ScriptValue(new ScriptValueV8Wrapper(_engine, V8ScriptValue(_engine->getIsolate(), result)));
} else {
//V8TODO Add more details
qWarning("JS function call failed");
return _engine->undefinedValue();
}
}
ScriptValue ScriptValueV8Wrapper::call(const ScriptValue& thisObject, const ScriptValue& arguments) {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
V8ScriptValue v8This = fullUnwrap(thisObject);
V8ScriptValue v8Args = fullUnwrap(arguments);
// V8TODO should there be a v8 try-catch here?
// IsFunction check should be here probably
// V8TODO I'm not sure in what format arguments are yet, backtrace will show how it is used
Q_ASSERT(false);
return _engine->undefinedValue();
/*v8::Local<v8::Function> v8Function = v8::Local<v8::Function>::Cast(_value.get());
auto maybeResult = v8Function->Call(_engine->getContext(), v8This, v8Args);
v8::Local<v8::Value> result;
if (maybeResult.ToLocal(&result)) {
return ScriptValue(new ScriptValueV8Wrapper(_engine, V8ScriptValue(_engine->getContext(), result)));
} else {
//V8TODO Add more details
qWarning("JS function call failed");
return _engine->undefinedValue();
}*/
}
ScriptValue ScriptValueV8Wrapper::construct(const ScriptValueList& args) {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
Q_ASSERT(args.length() <= Q_METAMETHOD_INVOKE_MAX_ARGS);
//V8TODO I'm not sure how else to do this since v8::Local should probably be on stack, not heap
v8::Local<v8::Value> v8Args[Q_METAMETHOD_INVOKE_MAX_ARGS];
int argIndex = 0;
for (ScriptValueList::const_iterator iter = args.begin(); iter != args.end(); ++iter) {
v8Args[argIndex++] = fullUnwrap(*iter).get();
}
//V8TODO should there be a v8 try-catch here?
// IsFunction check should be here probably
v8::Local<v8::Function> v8Function = v8::Local<v8::Function>::Cast(_value.get());
auto maybeResult = v8Function->NewInstance(_engine->getContext(), args.length(), v8Args);
v8::Local<v8::Object> result;
if (maybeResult.ToLocal(&result)) {
return ScriptValue(new ScriptValueV8Wrapper(_engine, V8ScriptValue(_engine->getIsolate(), result)));
} else {
//V8TODO Add more details
qWarning("JS function call failed");
return _engine->undefinedValue();
}
}
ScriptValue ScriptValueV8Wrapper::construct(const ScriptValue& arguments) {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
// V8TODO I'm not sure in what format arguments are yet, backtrace will show how it is used
Q_ASSERT(false);
return _engine->undefinedValue();
//V8ScriptValue unwrapped = fullUnwrap(arguments);
//V8ScriptValue result = _value.construct(unwrapped);
//return ScriptValue(new ScriptValueV8Wrapper(_engine, std::move(result)));
}
ScriptValue ScriptValueV8Wrapper::data() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
// Private properties are an experimental feature for now on V8, so we are using regular value for now
if (_value.constGet()->IsObject()) {
auto v8Object = v8::Local<v8::Object>::Cast(_value.constGet());
v8::Local<v8::Value> data;
//bool createData = false;
if (!v8Object->Get(_engine->getContext(), v8::String::NewFromUtf8(isolate, "__data").ToLocalChecked()).ToLocal(&data)) {
data = v8::Undefined(isolate);
//createData = true;
} /*else {
if (data->IsUndefined()) {
createData = true;
}
}
if (createData) {
qDebug() << "ScriptValueV8Wrapper::data(): Data object doesn't exist, creating new one";
// Create data object if it's non-existent or invalid
data = v8::Object::New(isolate);
if( !v8Object->Set(_engine->getContext(), v8::String::NewFromUtf8(isolate, "__data").ToLocalChecked(), data).FromMaybe(false)) {
qDebug() << "ScriptValueV8Wrapper::data(): Data object couldn't be created";
Q_ASSERT(false);
}
}*/
V8ScriptValue result(isolate, data);
return ScriptValue(new ScriptValueV8Wrapper(_engine, std::move(result)));
} else {
qDebug() << "ScriptValueV8Wrapper::data() was called on a value that is not an object";
Q_ASSERT(false);
}
//V8TODO I'm not sure how this would work in V8
//V8ScriptValue result = _value.data();
//return ScriptValue(new ScriptValueV8Wrapper(_engine, std::move(result)));
return _engine->nullValue();
}
ScriptEnginePointer ScriptValueV8Wrapper::engine() const {
if (!_engine) {
return ScriptEnginePointer();
}
return _engine->shared_from_this();
}
ScriptValueIteratorPointer ScriptValueV8Wrapper::newIterator() const {
return std::make_shared<ScriptValueIteratorV8Wrapper>(_engine, _value);
}
bool ScriptValueV8Wrapper::hasProperty(const QString& name) const {
auto isolate = _engine->getIsolate();
v8::Locker locker(_engine->getIsolate());
v8::Isolate::Scope isolateScope(_engine->getIsolate());
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
if (_value.constGet()->IsObject()) {
//V8TODO: what about flags?
v8::Local<v8::Value> resultLocal;
v8::Local<v8::String> key = v8::String::NewFromUtf8(_engine->getIsolate(), name.toStdString().c_str(),v8::NewStringType::kNormal).ToLocalChecked();
const v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(_value.constGet());
if (object->Get(_value.constGetContext(), key).ToLocal(&resultLocal)) {
return true;
} else {
return false;
}
}
return false;
}
ScriptValue ScriptValueV8Wrapper::property(const QString& name, const ScriptValue::ResolveFlags &mode) const {
auto isolate = _engine->getIsolate();
v8::Locker locker(_engine->getIsolate());
v8::Isolate::Scope isolateScope(_engine->getIsolate());
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
if (_value.constGet()->IsObject()) {
//V8TODO: what about flags?
v8::Local<v8::Value> resultLocal;
v8::Local<v8::String> key = v8::String::NewFromUtf8(_engine->getIsolate(), name.toStdString().c_str(),v8::NewStringType::kNormal).ToLocalChecked();
const v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(_value.constGet());
if (object->Get(_value.constGetContext(), key).ToLocal(&resultLocal)) {
V8ScriptValue result(_engine->getIsolate(), resultLocal);
return ScriptValue(new ScriptValueV8Wrapper(_engine, std::move(result)));
} else {
QString parentValueQString("");
v8::Local<v8::String> parentValueString;
if (_value.constGet()->ToDetailString(_engine->getContext()).ToLocal(&parentValueString)) {
QString(*v8::String::Utf8Value(isolate, parentValueString));
}
qDebug() << "Failed to get property, parent of value: " << name << ", parent type: " << QString(*v8::String::Utf8Value(isolate, _value.constGet()->TypeOf(isolate))) << " parent value: " << parentValueQString;
}
}
qDebug() << "Failed to get property, parent of value: " << name << " is not a V8 object, reported type: " << QString(*v8::String::Utf8Value(isolate, _value.constGet()->TypeOf(isolate)));
return _engine->undefinedValue();
/*v8::Local<v8::Value> nullValue = v8::Null(_engine->getIsolate());
V8ScriptValue nullScriptValue(_engine->getIsolate(), std::move(nullValue));
return ScriptValue(new ScriptValueV8Wrapper(_engine, nullScriptValue));*/
//V8ScriptValue result = _value.property(name, (V8ScriptValue::ResolveFlags)(int)mode);
//return ScriptValue(new ScriptValueV8Wrapper(_engine, std::move(result)));
}
ScriptValue ScriptValueV8Wrapper::property(quint32 arrayIndex, const ScriptValue::ResolveFlags& mode) const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
if (_value.constGet()->IsObject()) {
//V8TODO: what about flags?
v8::Local<v8::Value> resultLocal;
const v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(_value.constGet());
if (object->Get(_value.constGetContext(), arrayIndex).ToLocal(&resultLocal)) {
V8ScriptValue result(_engine->getIsolate(), resultLocal);
return ScriptValue(new ScriptValueV8Wrapper(_engine, std::move(result)));
}
}
qDebug() << "Failed to get property, parent of value: " << arrayIndex << " is not a V8 object, reported type: " << QString(*v8::String::Utf8Value(isolate, _value.constGet()->TypeOf(isolate)));
return _engine->undefinedValue();
/*v8::Local<v8::Value> nullValue = v8::Null(_engine->getIsolate());
V8ScriptValue nullScriptValue(_engine->getIsolate(), std::move(nullValue));
return ScriptValue(new ScriptValueV8Wrapper(_engine, nullScriptValue));*/
}
void ScriptValueV8Wrapper::setData(const ScriptValue& value) {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
V8ScriptValue unwrapped = fullUnwrap(value);
// V8TODO Check if it uses same isolate. Would pointer check be enough?
// Private properties are an experimental feature for now on V8, so we are using regular value for now
if (_value.constGet()->IsObject()) {
auto v8Object = v8::Local<v8::Object>::Cast(_value.constGet());
if( !v8Object->Set(_engine->getContext(), v8::String::NewFromUtf8(isolate, "__data").ToLocalChecked(), unwrapped.constGet()).FromMaybe(false)) {
qDebug() << "ScriptValueV8Wrapper::data(): Data object couldn't be created";
Q_ASSERT(false);
}
} else {
qDebug() << "ScriptValueV8Wrapper::data() was called on a value that is not an object";
Q_ASSERT(false);
}
}
void ScriptValueV8Wrapper::setProperty(const QString& name, const ScriptValue& value, const ScriptValue::PropertyFlags& flags) {
Q_ASSERT(flags != ScriptValue::PropertyGetter || flags != ScriptValue::PropertySetter);
auto isolate = _engine->getIsolate();
v8::Locker locker(_engine->getIsolate());
v8::Isolate::Scope isolateScope(_engine->getIsolate());
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
V8ScriptValue unwrapped = fullUnwrap(value);
if(_value.constGet()->IsObject()) {
v8::Local<v8::String> key = v8::String::NewFromUtf8(isolate, name.toStdString().c_str(),v8::NewStringType::kNormal).ToLocalChecked();
Q_ASSERT(_value.get()->IsObject());
auto object = v8::Local<v8::Object>::Cast(_value.get());
// V8TODO: What if value context and current context is different?
//v8::Maybe<bool> retVal = object->Set(_value.getContext(), key, unwrapped.constGet());
//v8::Maybe<bool> retVal = object->Set(_engine->getContext(), key, unwrapped.constGet());
v8::Maybe<bool> retVal = object->Set(isolate->GetCurrentContext(), key, unwrapped.constGet());
if (retVal.IsJust() ? !retVal.FromJust() : true){
qDebug(scriptengine) << "Failed to set property";
}
} else {
v8::Local<v8::String> details;
QString detailsString("");
if(_value.get()->ToDetailString(_engine->getContext()).ToLocal(&details)) {
v8::String::Utf8Value utf8Value(isolate,details);
detailsString = *utf8Value;
}
qDebug(scriptengine) << "Failed to set property:" + name + " - parent is not an object. Parent details: " + " Type: " + QString(*v8::String::Utf8Value(isolate, _value.constGet()->TypeOf(isolate)));
qDebug(scriptengine) << _engine->currentContext()->backtrace();
}
//V8TODO: what about flags?
//_value.setProperty(name, unwrapped, (V8ScriptValue::PropertyFlags)(int)flags);
}
void ScriptValueV8Wrapper::setProperty(quint32 arrayIndex, const ScriptValue& value, const ScriptValue::PropertyFlags& flags) {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
V8ScriptValue unwrapped = fullUnwrap(value);
if(_value.constGet()->IsObject()) {
auto object = v8::Local<v8::Object>::Cast(_value.get());
v8::Maybe<bool> retVal(object->Set(_value.getContext(), arrayIndex, unwrapped.constGet()));
if (retVal.IsJust() ? !retVal.FromJust() : true){
qDebug(scriptengine) << "Failed to set property";
}
} else {
qDebug(scriptengine) << "Failed to set property: " + QString(arrayIndex) + " - parent is not an object";
}
//V8TODO: what about flags?
//_value.setProperty(arrayIndex, unwrapped, (V8ScriptValue::PropertyFlags)(int)flags);
}
void ScriptValueV8Wrapper::setPrototype(const ScriptValue& prototype) {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
ScriptValueV8Wrapper* unwrappedPrototype = unwrap(prototype);
if (unwrappedPrototype) {
if(unwrappedPrototype->toV8Value().constGet()->IsObject() && _value.constGet()->IsObject()) {
auto object = v8::Local<v8::Object>::Cast(_value.get());
v8::Maybe<bool> retVal = object->SetPrototype(_value.getContext(), unwrappedPrototype->toV8Value().constGet());
if (retVal.IsJust() ? !retVal.FromJust() : true){
qDebug(scriptengine) << "Failed to assign prototype";
}
} else {
qDebug(scriptengine) << "Failed to assign prototype - one of values is not an object";
}
}
}
bool ScriptValueV8Wrapper::strictlyEquals(const ScriptValue& other) const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
ScriptValueV8Wrapper* unwrappedOther = unwrap(other);
return unwrappedOther ? _value.constGet()->StrictEquals(unwrappedOther->toV8Value().constGet()) : false;
}
bool ScriptValueV8Wrapper::toBool() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return _value.constGet()->ToBoolean(_engine->getIsolate())->Value();
}
qint32 ScriptValueV8Wrapper::toInt32() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
v8::Local<v8::Integer> integer;
if (!_value.constGet()->ToInteger(_value.constGetContext()).ToLocal(&integer)) {
Q_ASSERT(false);
}
return static_cast<int32_t>((integer)->Value());
}
double ScriptValueV8Wrapper::toInteger() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
v8::Local<v8::Integer> integer;
if (!_value.constGet()->ToInteger(_value.constGetContext()).ToLocal(&integer)) {
Q_ASSERT(false);
}
return (integer)->Value();
}
double ScriptValueV8Wrapper::toNumber() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
v8::Local<v8::Number> number;
if (!_value.constGet()->ToNumber(_value.constGetContext()).ToLocal(&number)) {
Q_ASSERT(false);
}
return number->Value();
}
QString ScriptValueV8Wrapper::toString() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
v8::String::Utf8Value string(_engine->getIsolate(), _value.constGet());
Q_ASSERT(*string != nullptr);
return QString(*string);
}
quint16 ScriptValueV8Wrapper::toUInt16() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
v8::Local<v8::Uint32> integer;
if (!_value.constGet()->ToUint32(_value.constGetContext()).ToLocal(&integer)) {
Q_ASSERT(false);
}
return static_cast<uint16_t>(integer->Value());
}
quint32 ScriptValueV8Wrapper::toUInt32() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
v8::Local<v8::Uint32> integer;
if (!_value.constGet()->ToUint32(_value.constGetContext()).ToLocal(&integer)) {
Q_ASSERT(false);
}
return integer->Value();
}
QVariant ScriptValueV8Wrapper::toVariant() const {
QVariant dest;
if (_engine->castValueToVariant(_value, dest, QMetaType::UnknownType)) {
return dest;
} else {
Q_ASSERT(false);
return QVariant();
}
}
QObject* ScriptValueV8Wrapper::toQObject() const {
QVariant dest;
if (_engine->castValueToVariant(_value, dest, QMetaType::QObjectStar)) {
return dest.value<QObject*>();
} else {
Q_ASSERT(false);
return nullptr;
}
}
bool ScriptValueV8Wrapper::equals(const ScriptValue& other) const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
ScriptValueV8Wrapper* unwrappedOther = unwrap(other);
//V8TODO: does this work with different contexts/isolates?
// in such case conversion will probably be necessary
if (!unwrappedOther) {
return false;
}else{
if (_value.constGet()->Equals(unwrappedOther->toV8Value().constGetContext(), unwrappedOther->toV8Value().constGet()).IsNothing()) {
return false;
} else {
return _value.constGet()->Equals(unwrappedOther->toV8Value().constGetContext(), unwrappedOther->toV8Value().constGet()).FromJust();
}
}
}
bool ScriptValueV8Wrapper::isArray() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return _value.constGet()->IsArray();
}
bool ScriptValueV8Wrapper::isBool() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return _value.constGet()->IsBoolean();
}
bool ScriptValueV8Wrapper::isError() const {
auto isolate = _engine->getIsolate();
// Q_ASSERT(isolate->IsCurrent());
// v8::HandleScope handleScope(isolate);
// v8::Context::Scope contextScope(_engine->getContext());
//V8TODO
return false;
//return _value.constGet()->IsError();
}
bool ScriptValueV8Wrapper::isFunction() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return _value.constGet()->IsFunction();
}
bool ScriptValueV8Wrapper::isNumber() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return _value.constGet()->IsNumber();
}
bool ScriptValueV8Wrapper::isNull() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return _value.constGet()->IsNull();
}
bool ScriptValueV8Wrapper::isObject() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return _value.constGet()->IsObject();
}
bool ScriptValueV8Wrapper::isString() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return _value.constGet()->IsString();
}
bool ScriptValueV8Wrapper::isUndefined() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return _value.constGet()->IsUndefined();
}
bool ScriptValueV8Wrapper::isValid() const {
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
if (_value.constGet()->IsNullOrUndefined()) {
return false;
}
return true;
}
bool ScriptValueV8Wrapper::isVariant() const {
//V8TODO
auto isolate = _engine->getIsolate();
v8::Locker locker(isolate);
v8::Isolate::Scope isolateScope(isolate);
v8::HandleScope handleScope(isolate);
v8::Context::Scope contextScope(_engine->getContext());
return false;
//return _value.isVariant();
}