void InjectedScript::getProperties(ErrorString* errorString, v8::Local<v8::Object> object, const String16& groupName, bool ownProperties, bool accessorPropertiesOnly, bool generatePreview, std::unique_ptr<Array<PropertyDescriptor>>* properties, Maybe<protocol::Runtime::ExceptionDetails>* exceptionDetails)
{
v8::HandleScope handles(m_context->isolate());
V8FunctionCall function(m_context->inspector(), m_context->context(), v8Value(), "getProperties");
function.appendArgument(object);
function.appendArgument(groupName);
function.appendArgument(ownProperties);
function.appendArgument(accessorPropertiesOnly);
function.appendArgument(generatePreview);
v8::TryCatch tryCatch(m_context->isolate());
v8::Local<v8::Value> resultValue = function.callWithoutExceptionHandling();
if (tryCatch.HasCaught()) {
*exceptionDetails = createExceptionDetails(tryCatch.Message());
// FIXME: make properties optional
*properties = Array<PropertyDescriptor>::create();
return;
}
std::unique_ptr<protocol::Value> protocolValue = toProtocolValue(m_context->context(), resultValue);
if (hasInternalError(errorString, !protocolValue))
return;
protocol::ErrorSupport errors(errorString);
std::unique_ptr<Array<PropertyDescriptor>> result = Array<PropertyDescriptor>::parse(protocolValue.get(), &errors);
if (!hasInternalError(errorString, errors.hasErrors()))
*properties = std::move(result);
}
std::unique_ptr<protocol::Runtime::RemoteObject> InjectedScript::wrapTable(v8::Local<v8::Value> table, v8::Local<v8::Value> columns) const
{
v8::HandleScope handles(m_context->isolate());
V8FunctionCall function(m_context->inspector(), m_context->context(), v8Value(), "wrapTable");
function.appendArgument(table);
if (columns.IsEmpty())
function.appendArgument(false);
else
function.appendArgument(columns);
bool hadException = false;
v8::Local<v8::Value> r = function.call(hadException);
if (hadException)
return nullptr;
protocol::ErrorSupport errors;
return protocol::Runtime::RemoteObject::parse(toProtocolValue(m_context->context(), r).get(), &errors);
}
std::unique_ptr<protocol::Value> toProtocolValue(v8::Local<v8::Context> context, v8::Local<v8::Value> value, int maxDepth)
{
if (value.IsEmpty()) {
NOTREACHED();
return nullptr;
}
if (!maxDepth)
return nullptr;
maxDepth--;
if (value->IsNull() || value->IsUndefined())
return protocol::Value::null();
if (value->IsBoolean())
return protocol::FundamentalValue::create(value.As<v8::Boolean>()->Value());
if (value->IsNumber())
return protocol::FundamentalValue::create(value.As<v8::Number>()->Value());
if (value->IsString())
return protocol::StringValue::create(toProtocolString(value.As<v8::String>()));
if (value->IsArray()) {
v8::Local<v8::Array> array = value.As<v8::Array>();
std::unique_ptr<protocol::ListValue> inspectorArray = protocol::ListValue::create();
uint32_t length = array->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> value;
if (!array->Get(context, i).ToLocal(&value))
return nullptr;
std::unique_ptr<protocol::Value> element = toProtocolValue(context, value, maxDepth);
if (!element)
return nullptr;
inspectorArray->pushValue(std::move(element));
}
return std::move(inspectorArray);
}
if (value->IsObject()) {
std::unique_ptr<protocol::DictionaryValue> jsonObject = protocol::DictionaryValue::create();
v8::Local<v8::Object> object = v8::Local<v8::Object>::Cast(value);
v8::Local<v8::Array> propertyNames;
if (!object->GetPropertyNames(context).ToLocal(&propertyNames))
return nullptr;
uint32_t length = propertyNames->Length();
for (uint32_t i = 0; i < length; i++) {
v8::Local<v8::Value> name;
if (!propertyNames->Get(context, i).ToLocal(&name))
return nullptr;
// FIXME(yurys): v8::Object should support GetOwnPropertyNames
if (name->IsString()) {
v8::Maybe<bool> hasRealNamedProperty = object->HasRealNamedProperty(context, v8::Local<v8::String>::Cast(name));
if (!hasRealNamedProperty.IsJust() || !hasRealNamedProperty.FromJust())
continue;
}
v8::Local<v8::String> propertyName;
if (!name->ToString(context).ToLocal(&propertyName))
continue;
v8::Local<v8::Value> property;
if (!object->Get(context, name).ToLocal(&property))
return nullptr;
std::unique_ptr<protocol::Value> propertyValue = toProtocolValue(context, property, maxDepth);
if (!propertyValue)
return nullptr;
jsonObject->setValue(toProtocolString(propertyName), std::move(propertyValue));
}
return std::move(jsonObject);
}
NOTREACHED();
return nullptr;
}
std::unique_ptr<protocol::Runtime::RemoteObject> InjectedScript::wrapObject(ErrorString* errorString, v8::Local<v8::Value> value, const String16& groupName, bool forceValueType, bool generatePreview) const
{
v8::HandleScope handles(m_context->isolate());
v8::Local<v8::Value> wrappedObject;
if (!wrapValue(errorString, value, groupName, forceValueType, generatePreview).ToLocal(&wrappedObject))
return nullptr;
protocol::ErrorSupport errors;
std::unique_ptr<protocol::Runtime::RemoteObject> remoteObject = protocol::Runtime::RemoteObject::parse(toProtocolValue(m_context->context(), wrappedObject).get(), &errors);
if (!remoteObject)
*errorString = "Object has too long reference chain";
return remoteObject;
}
