void tst_qqmlerror::copy()
{
QQmlError error;
error.setUrl(QUrl("http://www.qt-project.org/main.qml"));
error.setDescription("An Error");
error.setLine(92);
error.setColumn(13);
QQmlError error2(error);
QQmlError error3;
error3 = error;
error.setUrl(QUrl("http://www.qt-project.org/main.qml"));
error.setDescription("Another Error");
error.setLine(2);
error.setColumn(33);
QCOMPARE(error.url(), QUrl("http://www.qt-project.org/main.qml"));
QCOMPARE(error.description(), QString("Another Error"));
QCOMPARE(error.line(), 2);
QCOMPARE(error.column(), 33);
QCOMPARE(error2.url(), QUrl("http://www.qt-project.org/main.qml"));
QCOMPARE(error2.description(), QString("An Error"));
QCOMPARE(error2.line(), 92);
QCOMPARE(error2.column(), 13);
QCOMPARE(error3.url(), QUrl("http://www.qt-project.org/main.qml"));
QCOMPARE(error3.description(), QString("An Error"));
QCOMPARE(error3.line(), 92);
QCOMPARE(error3.column(), 13);
}
QV4::ReturnedValue QQmlJavaScriptExpression::qmlBinding(QQmlContextData *ctxt, QObject *qmlScope,
const QString &code, const QString &filename, quint16 line,
QV4::PersistentValue *qmlscope)
{
QQmlEngine *engine = ctxt->engine;
QQmlEnginePrivate *ep = QQmlEnginePrivate::get(engine);
QV4::ExecutionEngine *v4 = QV8Engine::getV4(ep->v8engine());
QV4::ExecutionContext *ctx = v4->currentContext();
QV4::Scope scope(v4);
QV4::ScopedObject qmlScopeObject(scope, QV4::QmlContextWrapper::qmlScope(ep->v8engine(), ctxt, qmlScope));
QV4::Script script(v4, qmlScopeObject, code, filename, line);
QV4::ScopedValue result(scope);
script.parse();
if (!v4->hasException)
result = script.qmlBinding();
if (v4->hasException) {
QQmlError error = QV4::ExecutionEngine::catchExceptionAsQmlError(ctx);
if (error.description().isEmpty())
error.setDescription(QLatin1String("Exception occurred during function evaluation"));
if (error.line() == -1)
error.setLine(line);
if (error.url().isEmpty())
error.setUrl(QUrl::fromLocalFile(filename));
error.setObject(qmlScope);
ep->warning(error);
return QV4::Encode::undefined();
}
if (qmlscope)
*qmlscope = qmlScopeObject;
return result.asReturnedValue();
}
/*!
Reports an error with the given \a description.
An error is generated referring to the \a location in the source file.
*/
void QQmlCustomParser::error(const QV4::CompiledData::Location &location, const QString &description)
{
QQmlError error;
error.setLine(location.line);
error.setColumn(location.column);
error.setDescription(description);
exceptions << error;
}
CompiledData::CompilationUnit *Script::precompile(ExecutionEngine *engine, const QUrl &url, const QString &source, QList<QQmlError> *reportedErrors)
{
using namespace QQmlJS;
using namespace QQmlJS::AST;
QQmlJS::V4IR::Module module(engine->debugger != 0);
QQmlJS::Engine ee;
QQmlJS::Lexer lexer(&ee);
lexer.setCode(source, /*line*/1, /*qml mode*/true);
QQmlJS::Parser parser(&ee);
parser.parseProgram();
QList<QQmlError> errors;
foreach (const QQmlJS::DiagnosticMessage &m, parser.diagnosticMessages()) {
if (m.isWarning()) {
qWarning("%s:%d : %s", qPrintable(url.toString()), m.loc.startLine, qPrintable(m.message));
continue;
}
QQmlError error;
error.setUrl(url);
error.setDescription(m.message);
error.setLine(m.loc.startLine);
error.setColumn(m.loc.startColumn);
errors << error;
}
if (!errors.isEmpty()) {
if (reportedErrors)
*reportedErrors << errors;
return 0;
}
Program *program = AST::cast<Program *>(parser.rootNode());
if (!program) {
// if parsing was successful, and we have no program, then
// we're done...:
return 0;
}
QQmlJS::Codegen cg(/*strict mode*/false);
cg.generateFromProgram(url.toString(), source, program, &module, QQmlJS::Codegen::EvalCode);
errors = cg.errors();
if (!errors.isEmpty()) {
if (reportedErrors)
*reportedErrors << cg.errors();
return 0;
}
Compiler::JSUnitGenerator jsGenerator(&module);
QScopedPointer<QQmlJS::EvalInstructionSelection> isel(engine->iselFactory->create(QQmlEnginePrivate::get(engine), engine->executableAllocator, &module, &jsGenerator));
isel->setUseFastLookups(false);
return isel->compile();
}
void QmcTypeCompiler::recordError(const QV4::CompiledData::Location& location, const QString& description)
{
QQmlError error;
error.setLine(location.line);
error.setColumn(location.column);
error.setUrl(compiledData->url);
error.setDescription(description);
recordError(error);
}
void QQuickWindowQmlImpl::setWindowVisibility()
{
Q_D(QQuickWindowQmlImpl);
if (transientParent() && !transientParent()->isVisible())
return;
if (sender()) {
disconnect(transientParent(), &QWindow::visibleChanged, this,
&QQuickWindowQmlImpl::setWindowVisibility);
}
// We have deferred window creation until we have the full picture of what
// the user wanted in terms of window state, geometry, visibility, etc.
if ((d->visibility == Hidden && d->visible) || (d->visibility > AutomaticVisibility && !d->visible)) {
QQmlData *data = QQmlData::get(this);
Q_ASSERT(data && data->context);
QQmlError error;
error.setObject(this);
const QQmlContextData* urlContext = data->context;
while (urlContext && urlContext->url().isEmpty())
urlContext = urlContext->parent;
error.setUrl(urlContext ? urlContext->url() : QUrl());
QString objectId = data->context->findObjectId(this);
if (!objectId.isEmpty())
error.setDescription(QCoreApplication::translate("QQuickWindowQmlImpl",
"Conflicting properties 'visible' and 'visibility' for Window '%1'").arg(objectId));
else
error.setDescription(QCoreApplication::translate("QQuickWindowQmlImpl",
"Conflicting properties 'visible' and 'visibility'"));
QQmlEnginePrivate::get(data->context->engine)->warning(error);
}
if (d->visibility == AutomaticVisibility) {
setWindowState(QGuiApplicationPrivate::platformIntegration()->defaultWindowState(flags()));
setVisible(d->visible);
} else {
setVisibility(d->visibility);
}
}
void tst_qqmlerror::description()
{
QQmlError error;
QCOMPARE(error.description(), QString());
error.setDescription("An Error");
QCOMPARE(error.description(), QString("An Error"));
QQmlError error2 = error;
QCOMPARE(error2.description(), QString("An Error"));
error.setDescription("Another Error");
QCOMPARE(error.description(), QString("Another Error"));
QCOMPARE(error2.description(), QString("An Error"));
}
bool Compiler::exportData(QDataStream &output)
{
Q_D(Compiler);
if (!d->compilation->checkData()) {
QQmlError error;
error.setDescription("Compiled data not valid. Internal error.");
appendError(error);
return false;
}
QmcExporter exporter(d->compilation);
bool ret = exporter.exportQmc(output);
if (!ret) {
QQmlError error;
error.setDescription("Error saving data");
appendError(error);
}
return ret;
}
// Callee owns the persistent handle
v8::Persistent<v8::Function>
QQmlJavaScriptExpression::evalFunction(QQmlContextData *ctxt, QObject *scope,
const char *code, int codeLength,
const QString &filename, quint16 line,
v8::Persistent<v8::Object> *qmlscope)
{
QQmlEngine *engine = ctxt->engine;
QQmlEnginePrivate *ep = QQmlEnginePrivate::get(engine);
v8::HandleScope handle_scope;
v8::Context::Scope ctxtscope(ep->v8engine()->context());
v8::TryCatch tc;
v8::Local<v8::Object> scopeobject = ep->v8engine()->qmlScope(ctxt, scope);
v8::Local<v8::Script> script = ep->v8engine()->qmlModeCompile(code, codeLength, filename, line);
if (tc.HasCaught()) {
QQmlError error;
error.setDescription(QLatin1String("Exception occurred during function compilation"));
error.setLine(line);
error.setUrl(QUrl::fromLocalFile(filename));
v8::Local<v8::Message> message = tc.Message();
if (!message.IsEmpty())
QQmlExpressionPrivate::exceptionToError(message, error);
ep->warning(error);
return v8::Persistent<v8::Function>();
}
v8::Local<v8::Value> result = script->Run(scopeobject);
if (tc.HasCaught()) {
QQmlError error;
error.setDescription(QLatin1String("Exception occurred during function evaluation"));
error.setLine(line);
error.setUrl(QUrl::fromLocalFile(filename));
v8::Local<v8::Message> message = tc.Message();
if (!message.IsEmpty())
QQmlExpressionPrivate::exceptionToError(message, error);
ep->warning(error);
return v8::Persistent<v8::Function>();
}
if (qmlscope) *qmlscope = qPersistentNew<v8::Object>(scopeobject);
return qPersistentNew<v8::Function>(v8::Local<v8::Function>::Cast(result));
}
void tst_qqmlerror::debug()
{
{
QQmlError error;
error.setUrl(QUrl("http://www.qt-project.org/main.qml"));
error.setDescription("An Error");
error.setLine(92);
error.setColumn(13);
QTest::ignoreMessage(QtWarningMsg, "http://www.qt-project.org/main.qml:92:13: An Error ");
qWarning() << error;
}
{
QUrl url(dataDirectoryUrl().resolved(QUrl("test.txt")));
QQmlError error;
error.setUrl(url);
error.setDescription("An Error");
error.setLine(2);
error.setColumn(5);
QString out = url.toString() + ":2:5: An Error \n Line2 Content \n ^ ";
QTest::ignoreMessage(QtWarningMsg, qPrintable(out));
qWarning() << error;
}
{
QUrl url(dataDirectoryUrl().resolved(QUrl("foo.txt")));
QQmlError error;
error.setUrl(url);
error.setDescription("An Error");
error.setLine(2);
error.setColumn(5);
QString out = url.toString() + ":2:5: An Error ";
QTest::ignoreMessage(QtWarningMsg, qPrintable(out));
qWarning() << error;
}
}
void tst_qqmlerror::toString()
{
{
QQmlError error;
error.setUrl(QUrl("http://www.qt-project.org/main.qml"));
error.setDescription("An Error");
error.setLine(92);
error.setColumn(13);
QCOMPARE(error.toString(), QString("http://www.qt-project.org/main.qml:92:13: An Error"));
}
{
QQmlError error;
error.setUrl(QUrl("http://www.qt-project.org/main.qml"));
error.setDescription("An Error");
error.setLine(92);
QCOMPARE(error.toString(), QString("http://www.qt-project.org/main.qml:92: An Error"));
}
}
bool Compiler::compile(const QString &url, const QString &outputFile)
{
// open output file
QFile f(outputFile);
if (!f.open(QFile::WriteOnly | QFile::Truncate)) {
QQmlError error;
error.setDescription("Could not open file for writing");
error.setUrl(QUrl(outputFile));
return false;
}
QDataStream out(&f);
bool ret = compile(url, out);
f.close();
return ret;
}
QList<QQmlError> QQmlDirParser::errors(const QString &uri) const
{
QUrl url(uri);
QList<QQmlError> errors;
for (int i = 0; i < _errors.size(); ++i) {
const QQmlJS::DiagnosticMessage &msg = _errors.at(i);
QQmlError e;
QString description = msg.message;
description.replace(QLatin1String("$$URI$$"), uri);
e.setDescription(description);
e.setUrl(url);
e.setLine(msg.loc.startLine);
e.setColumn(msg.loc.startColumn);
errors << e;
}
return errors;
}
bool Compiler::addImport(const QV4::CompiledData::Import *import, QList<QQmlError> *errors)
{
Q_D(Compiler);
const QString &importUri = stringAt(import->uriIndex);
const QString &importQualifier = stringAt(import->qualifierIndex);
if (import->type == QV4::CompiledData::Import::ImportScript) {
// TBD: qqmltypeloader.cpp:1320
QmlCompilation::ScriptReference scriptRef;
scriptRef.location = import->location;
scriptRef.qualifier = importQualifier;
scriptRef.compilation = NULL;
d->compilation->scripts.append(scriptRef);
} else if (import->type == QV4::CompiledData::Import::ImportLibrary) {
QString qmldirFilePath;
QString qmldirUrl;
if (QQmlMetaType::isLockedModule(importUri, import->majorVersion)) {
//Locked modules are checked first, to save on filesystem checks
if (!d->compilation->importCache->addLibraryImport(d->compilation->importDatabase, importUri, importQualifier, import->majorVersion,
import->minorVersion, QString(), QString(), false, errors))
return false;
} else if (d->compilation->importCache->locateQmldir(d->compilation->importDatabase, importUri, import->majorVersion, import->minorVersion,
&qmldirFilePath, &qmldirUrl)) {
// This is a local library import
if (!d->compilation->importCache->addLibraryImport(d->compilation->importDatabase, importUri, importQualifier, import->majorVersion,
import->minorVersion, qmldirFilePath, qmldirUrl, false, errors))
return false;
if (!importQualifier.isEmpty()) {
// Does this library contain any qualified scripts?
QUrl libraryUrl(qmldirUrl);
QQmlTypeLoader* typeLoader = &QQmlEnginePrivate::get(d->compilation->engine)->typeLoader;
const QQmlTypeLoader::QmldirContent *qmldir = typeLoader->qmldirContent(qmldirFilePath, qmldirUrl);
foreach (const QQmlDirParser::Script &script, qmldir->scripts()) {
// TBD: qqmltypeloader.cpp:1343
qDebug() << "Library contains scripts";
QQmlError error;
error.setDescription("Libraries with scripts not supported");
appendError(error);
return false;
}
}
} else {
bool Compiler::compile(const QString &url)
{
Q_D(Compiler);
clearError();
// set env var so one can test in plugins if needed
setenv("QMC_COMPILE", "1", 1);
// check that engine is using correct factory
if (!qgetenv("QV4_FORCE_INTERPRETER").isEmpty()) {
QQmlError error;
error.setDescription("Compiler is forced to use interpreter");
appendError(error);
return false;
}
Q_ASSERT(d->compilation == NULL);
QmlCompilation* c = new QmlCompilation(url, QUrl(url), d->engine);
d->compilation = c;
c->importCache = new QQmlImports(&QQmlEnginePrivate::get(d->compilation->engine)->typeLoader);
c->importDatabase = new QQmlImportDatabase(d->compilation->engine);
c->loadUrl = url;
int lastSlash = url.lastIndexOf('/');
if (lastSlash == -1)
c->url = url;
else if (lastSlash + 1 < url.length())
c->url = url.mid(lastSlash + 1);
else
c->url = "";
if (!loadData()) {
delete takeCompilation();
return false;
}
if (!compileData()) {
delete takeCompilation();
return false;
}
return true;
}
bool Compiler::loadData()
{
Q_D(Compiler);
const QUrl& url = d->compilation->loadUrl;
if (!url.isValid() || url.isEmpty())
return false;
QQmlFile f;
f.load(d->compilation->engine, url);
if (!f.isReady()) {
if (f.isError()) {
QQmlError error;
error.setUrl(url);
error.setDescription(f.error());
appendError(error);
}
return false;
}
d->compilation->code = QString::fromUtf8(f.data());
return true;
}
void QQmlJavaScriptExpression::exceptionToError(v8::Handle<v8::Message> message, QQmlError &error)
{
Q_ASSERT(!message.IsEmpty());
v8::Handle<v8::Value> name = message->GetScriptResourceName();
v8::Handle<v8::String> description = message->Get();
int lineNumber = message->GetLineNumber();
v8::Local<v8::String> file = name->IsString()?name->ToString():v8::Local<v8::String>();
if (file.IsEmpty() || file->Length() == 0)
error.setUrl(QUrl());
else
error.setUrl(QUrl(QV8Engine::toStringStatic(file)));
error.setLine(lineNumber);
error.setColumn(-1);
QString qDescription = QV8Engine::toStringStatic(description);
if (qDescription.startsWith(QLatin1String("Uncaught ")))
qDescription = qDescription.mid(9 /* strlen("Uncaught ") */);
error.setDescription(qDescription);
}
QQmlInfo::~QQmlInfo()
{
if (0 == --d->ref) {
QList<QQmlError> errors = d->errors;
QQmlEngine *engine = 0;
if (!d->buffer.isEmpty()) {
QQmlError error;
QObject *object = const_cast<QObject *>(d->object);
if (object) {
engine = qmlEngine(d->object);
QString typeName;
QQmlType *type = QQmlMetaType::qmlType(object->metaObject());
if (type) {
typeName = type->qmlTypeName();
int lastSlash = typeName.lastIndexOf(QLatin1Char('/'));
if (lastSlash != -1)
typeName = typeName.mid(lastSlash+1);
} else {
typeName = QString::fromUtf8(object->metaObject()->className());
int marker = typeName.indexOf(QLatin1String("_QMLTYPE_"));
if (marker != -1)
typeName = typeName.left(marker);
marker = typeName.indexOf(QLatin1String("_QML_"));
if (marker != -1) {
typeName = typeName.left(marker);
typeName += QLatin1Char('*');
type = QQmlMetaType::qmlType(QMetaType::type(typeName.toLatin1()));
if (type) {
typeName = type->qmlTypeName();
int lastSlash = typeName.lastIndexOf(QLatin1Char('/'));
if (lastSlash != -1)
typeName = typeName.mid(lastSlash+1);
}
}
}
d->buffer.prepend(QLatin1String("QML ") + typeName + QLatin1String(": "));
QQmlData *ddata = QQmlData::get(object, false);
if (ddata && ddata->outerContext && !ddata->outerContext->url.isEmpty()) {
error.setUrl(ddata->outerContext->url);
error.setLine(ddata->lineNumber);
error.setColumn(ddata->columnNumber);
}
}
error.setDescription(d->buffer);
errors.prepend(error);
}
QQmlEnginePrivate::warning(engine, errors);
delete d;
}
}
int QQmlVMEMetaObject::metaCall(QMetaObject::Call c, int _id, void **a)
{
int id = _id;
if (c == QMetaObject::WriteProperty && interceptors &&
!(*reinterpret_cast<int*>(a[3]) & QQmlPropertyPrivate::BypassInterceptor)) {
for (QQmlPropertyValueInterceptor *vi = interceptors; vi; vi = vi->m_next) {
if (vi->m_coreIndex != id)
continue;
int valueIndex = vi->m_valueTypeCoreIndex;
int type = QQmlData::get(object)->propertyCache->property(id)->propType;
if (type != QVariant::Invalid) {
if (valueIndex != -1) {
QQmlValueType *valueType = QQmlValueTypeFactory::valueType(type);
Q_ASSERT(valueType);
//
// Consider the following case:
// color c = { 0.1, 0.2, 0.3 }
// interceptor exists on c.r
// write { 0.2, 0.4, 0.6 }
//
// The interceptor may choose not to update the r component at this
// point (for example, a behavior that creates an animation). But we
// need to ensure that the g and b components are updated correctly.
//
// So we need to perform a full write where the value type is:
// r = old value, g = new value, b = new value
//
// And then call the interceptor which may or may not write the
// new value to the r component.
//
// This will ensure that the other components don't contain stale data
// and any relevant signals are emitted.
//
// To achieve this:
// (1) Store the new value type as a whole (needed due to
// aliasing between a[0] and static storage in value type).
// (2) Read the entire existing value type from object -> valueType temp.
// (3) Read the previous value of the component being changed
// from the valueType temp.
// (4) Write the entire new value type into the temp.
// (5) Overwrite the component being changed with the old value.
// (6) Perform a full write to the value type (which may emit signals etc).
// (7) Issue the interceptor call with the new component value.
//
QMetaProperty valueProp = valueType->metaObject()->property(valueIndex);
QVariant newValue(type, a[0]);
valueType->read(object, id);
QVariant prevComponentValue = valueProp.read(valueType);
valueType->setValue(newValue);
QVariant newComponentValue = valueProp.read(valueType);
// Don't apply the interceptor if the intercepted value has not changed
bool updated = false;
if (newComponentValue != prevComponentValue) {
valueProp.write(valueType, prevComponentValue);
valueType->write(object, id, QQmlPropertyPrivate::DontRemoveBinding | QQmlPropertyPrivate::BypassInterceptor);
vi->write(newComponentValue);
updated = true;
}
if (updated)
return -1;
} else {
vi->write(QVariant(type, a[0]));
return -1;
}
}
}
}
if (c == QMetaObject::ReadProperty || c == QMetaObject::WriteProperty || c == QMetaObject::ResetProperty) {
if (id >= propOffset()) {
id -= propOffset();
if (id < metaData->propertyCount) {
int t = (metaData->propertyData() + id)->propertyType;
bool needActivate = false;
if (id >= firstVarPropertyIndex) {
Q_ASSERT(t == QMetaType::QVariant);
// the context can be null if accessing var properties from cpp after re-parenting an item.
QQmlEnginePrivate *ep = (ctxt == 0 || ctxt->engine == 0) ? 0 : QQmlEnginePrivate::get(ctxt->engine);
QV8Engine *v8e = (ep == 0) ? 0 : ep->v8engine();
if (v8e) {
if (c == QMetaObject::ReadProperty) {
*reinterpret_cast<QVariant *>(a[0]) = readPropertyAsVariant(id);
} else if (c == QMetaObject::WriteProperty) {
writeProperty(id, *reinterpret_cast<QVariant *>(a[0]));
}
} else if (c == QMetaObject::ReadProperty) {
// if the context was disposed, we just return an invalid variant from read.
*reinterpret_cast<QVariant *>(a[0]) = QVariant();
}
} else {
if (c == QMetaObject::ReadProperty) {
switch(t) {
case QVariant::Int:
*reinterpret_cast<int *>(a[0]) = data[id].asInt();
break;
case QVariant::Bool:
*reinterpret_cast<bool *>(a[0]) = data[id].asBool();
break;
case QVariant::Double:
*reinterpret_cast<double *>(a[0]) = data[id].asDouble();
break;
case QVariant::String:
*reinterpret_cast<QString *>(a[0]) = data[id].asQString();
break;
case QVariant::Url:
*reinterpret_cast<QUrl *>(a[0]) = data[id].asQUrl();
break;
case QVariant::Date:
*reinterpret_cast<QDate *>(a[0]) = data[id].asQDate();
break;
case QVariant::DateTime:
*reinterpret_cast<QDateTime *>(a[0]) = data[id].asQDateTime();
break;
case QVariant::RectF:
*reinterpret_cast<QRectF *>(a[0]) = data[id].asQRectF();
break;
case QVariant::SizeF:
*reinterpret_cast<QSizeF *>(a[0]) = data[id].asQSizeF();
break;
case QVariant::PointF:
*reinterpret_cast<QPointF *>(a[0]) = data[id].asQPointF();
break;
case QMetaType::QObjectStar:
*reinterpret_cast<QObject **>(a[0]) = data[id].asQObject();
break;
case QMetaType::QVariant:
*reinterpret_cast<QVariant *>(a[0]) = readPropertyAsVariant(id);
break;
default:
QQml_valueTypeProvider()->readValueType(data[id].dataType(), data[id].dataPtr(), data->dataSize(), t, a[0]);
break;
}
if (t == qMetaTypeId<QQmlListProperty<QObject> >()) {
int listIndex = data[id].asInt();
const List *list = &listProperties.at(listIndex);
*reinterpret_cast<QQmlListProperty<QObject> *>(a[0]) =
QQmlListProperty<QObject>(object, (void *)list,
list_append, list_count, list_at,
list_clear);
}
} else if (c == QMetaObject::WriteProperty) {
switch(t) {
case QVariant::Int:
needActivate = *reinterpret_cast<int *>(a[0]) != data[id].asInt();
data[id].setValue(*reinterpret_cast<int *>(a[0]));
break;
case QVariant::Bool:
needActivate = *reinterpret_cast<bool *>(a[0]) != data[id].asBool();
data[id].setValue(*reinterpret_cast<bool *>(a[0]));
break;
case QVariant::Double:
needActivate = *reinterpret_cast<double *>(a[0]) != data[id].asDouble();
data[id].setValue(*reinterpret_cast<double *>(a[0]));
break;
case QVariant::String:
needActivate = *reinterpret_cast<QString *>(a[0]) != data[id].asQString();
data[id].setValue(*reinterpret_cast<QString *>(a[0]));
break;
case QVariant::Url:
needActivate = *reinterpret_cast<QUrl *>(a[0]) != data[id].asQUrl();
data[id].setValue(*reinterpret_cast<QUrl *>(a[0]));
break;
case QVariant::Date:
needActivate = *reinterpret_cast<QDate *>(a[0]) != data[id].asQDate();
data[id].setValue(*reinterpret_cast<QDate *>(a[0]));
break;
case QVariant::DateTime:
needActivate = *reinterpret_cast<QDateTime *>(a[0]) != data[id].asQDateTime();
data[id].setValue(*reinterpret_cast<QDateTime *>(a[0]));
break;
case QVariant::RectF:
needActivate = *reinterpret_cast<QRectF *>(a[0]) != data[id].asQRectF();
data[id].setValue(*reinterpret_cast<QRectF *>(a[0]));
break;
case QVariant::SizeF:
needActivate = *reinterpret_cast<QSizeF *>(a[0]) != data[id].asQSizeF();
data[id].setValue(*reinterpret_cast<QSizeF *>(a[0]));
break;
case QVariant::PointF:
needActivate = *reinterpret_cast<QPointF *>(a[0]) != data[id].asQPointF();
data[id].setValue(*reinterpret_cast<QPointF *>(a[0]));
break;
case QMetaType::QObjectStar:
needActivate = *reinterpret_cast<QObject **>(a[0]) != data[id].asQObject();
data[id].setValue(*reinterpret_cast<QObject **>(a[0]), this, id);
break;
case QMetaType::QVariant:
writeProperty(id, *reinterpret_cast<QVariant *>(a[0]));
break;
default:
data[id].ensureValueType(t);
needActivate = !QQml_valueTypeProvider()->equalValueType(t, a[0], data[id].dataPtr(), data[id].dataSize());
QQml_valueTypeProvider()->writeValueType(t, a[0], data[id].dataPtr(), data[id].dataSize());
break;
}
}
}
if (c == QMetaObject::WriteProperty && needActivate) {
activate(object, methodOffset() + id, 0);
}
return -1;
}
id -= metaData->propertyCount;
if (id < metaData->aliasCount) {
QQmlVMEMetaData::AliasData *d = metaData->aliasData() + id;
if (d->flags & QML_ALIAS_FLAG_PTR && c == QMetaObject::ReadProperty)
*reinterpret_cast<void **>(a[0]) = 0;
if (!ctxt) return -1;
QQmlContext *context = ctxt->asQQmlContext();
QQmlContextPrivate *ctxtPriv = QQmlContextPrivate::get(context);
QObject *target = ctxtPriv->data->idValues[d->contextIdx].data();
if (!target)
return -1;
connectAlias(id);
if (d->isObjectAlias()) {
*reinterpret_cast<QObject **>(a[0]) = target;
return -1;
}
// Remove binding (if any) on write
if(c == QMetaObject::WriteProperty) {
int flags = *reinterpret_cast<int*>(a[3]);
if (flags & QQmlPropertyPrivate::RemoveBindingOnAliasWrite) {
QQmlData *targetData = QQmlData::get(target);
if (targetData && targetData->hasBindingBit(d->propertyIndex())) {
QQmlAbstractBinding *binding = QQmlPropertyPrivate::setBinding(target, d->propertyIndex(), d->isValueTypeAlias()?d->valueTypeIndex():-1, 0);
if (binding) binding->destroy();
}
}
}
if (d->isValueTypeAlias()) {
// Value type property
QQmlValueType *valueType = QQmlValueTypeFactory::valueType(d->valueType());
Q_ASSERT(valueType);
valueType->read(target, d->propertyIndex());
int rv = QMetaObject::metacall(valueType, c, d->valueTypeIndex(), a);
if (c == QMetaObject::WriteProperty)
valueType->write(target, d->propertyIndex(), 0x00);
return rv;
} else {
return QMetaObject::metacall(target, c, d->propertyIndex(), a);
}
}
return -1;
}
} else if(c == QMetaObject::InvokeMetaMethod) {
if (id >= methodOffset()) {
id -= methodOffset();
int plainSignals = metaData->signalCount + metaData->propertyCount +
metaData->aliasCount;
if (id < plainSignals) {
activate(object, _id, a);
return -1;
}
id -= plainSignals;
if (id < metaData->methodCount) {
if (!ctxt->engine)
return -1; // We can't run the method
QQmlEnginePrivate *ep = QQmlEnginePrivate::get(ctxt->engine);
ep->referenceScarceResources(); // "hold" scarce resources in memory during evaluation.
QV4::Scope scope(ep->v4engine());
QV4::Scoped<QV4::FunctionObject> function(scope, method(id));
if (!function) {
// The function was not compiled. There are some exceptional cases which the
// expression rewriter does not rewrite properly (e.g., \r-terminated lines
// are not rewritten correctly but this bug is deemed out-of-scope to fix for
// performance reasons; see QTBUG-24064) and thus compilation will have failed.
QQmlError e;
e.setDescription(QString(QLatin1String("Exception occurred during compilation of function: %1")).
arg(QLatin1String(QMetaObject::method(_id).methodSignature().constData())));
ep->warning(e);
return -1; // The dynamic method with that id is not available.
}
QQmlVMEMetaData::MethodData *data = metaData->methodData() + id;
QV4::ScopedCallData callData(scope, data->parameterCount);
callData->thisObject = ep->v8engine()->global();
for (int ii = 0; ii < data->parameterCount; ++ii)
callData->args[ii] = ep->v8engine()->fromVariant(*(QVariant *)a[ii + 1]);
QV4::ScopedValue result(scope);
QV4::ExecutionContext *ctx = function->engine()->currentContext();
result = function->call(callData);
if (scope.hasException()) {
QQmlError error = QV4::ExecutionEngine::catchExceptionAsQmlError(ctx);
if (error.isValid())
ep->warning(error);
if (a[0]) *(QVariant *)a[0] = QVariant();
} else {
if (a[0]) *(QVariant *)a[0] = ep->v8engine()->toVariant(result, 0);
}
ep->dereferenceScarceResources(); // "release" scarce resources if top-level expression evaluation is complete.
return -1;
}
return -1;
}
}
if (parent.isT1())
return parent.asT1()->metaCall(object, c, _id, a);
else
return object->qt_metacall(c, _id, a);
}
bool Compiler::addImport(const QV4::CompiledData::Import *import, QList<QQmlError> *errors)
{
Q_D(Compiler);
const QString &importUri = stringAt(import->uriIndex);
const QString &importQualifier = stringAt(import->qualifierIndex);
if (import->type == QV4::CompiledData::Import::ImportScript) {
// TBD: qqmltypeloader.cpp:1320
QmlCompilation::ScriptReference scriptRef;
scriptRef.location = import->location;
scriptRef.qualifier = importQualifier;
scriptRef.compilation = NULL;
d->compilation->scripts.append(scriptRef);
} else if (import->type == QV4::CompiledData::Import::ImportLibrary) {
QString qmldirFilePath;
QString qmldirUrl;
if (QQmlMetaType::isLockedModule(importUri, import->majorVersion)) {
//Locked modules are checked first, to save on filesystem checks
if (!d->compilation->importCache->addLibraryImport(d->compilation->importDatabase, importUri, importQualifier, import->majorVersion,
import->minorVersion, QString(), QString(), false, errors))
return false;
} else if (d->compilation->importCache->locateQmldir(d->compilation->importDatabase, importUri, import->majorVersion, import->minorVersion,
&qmldirFilePath, &qmldirUrl)) {
// This is a local library import
if (!d->compilation->importCache->addLibraryImport(d->compilation->importDatabase, importUri, importQualifier, import->majorVersion,
import->minorVersion, qmldirFilePath, qmldirUrl, false, errors))
return false;
if (!importQualifier.isEmpty()) {
// Does this library contain any qualified scripts?
QUrl libraryUrl(qmldirUrl);
QQmlTypeLoader* typeLoader = &QQmlEnginePrivate::get(d->compilation->engine)->typeLoader;
const QQmlTypeLoader::QmldirContent *qmldir = typeLoader->qmldirContent(qmldirFilePath, qmldirUrl);
// File loading will import the dependency and takes care of
// everything there. Adding a script reference here just seems
// to add an unnecessary reference that might actually be a bug.
// In case something is needed, see: qqmltypeloader.cpp:1343
}
} else {
// Is this a module?
qDebug() << "Importing local module" << importUri;
if (QQmlMetaType::isAnyModule(importUri)) {
if (!d->compilation->importCache->addLibraryImport(d->compilation->importDatabase, importUri, importQualifier, import->majorVersion,
import->minorVersion, QString(), QString(), false, errors))
return false;
} else {
QQmlError error;
error.setDescription("Unresolved import " + importUri);
error.setLine(import->location.line);
error.setColumn(import->location.column);
error.setUrl(d->compilation->url);
appendError(error);
return false;
// TBD: else add to unresolved imports qqmltypeloader.cpp:1356
}
}
} else {
// qqmltypeloader.cpp:1383
Q_ASSERT(import->type == QV4::CompiledData::Import::ImportFile);
QUrl qmldirUrl;
if (importQualifier.isEmpty()) {
qmldirUrl = compilation()->loadUrl.resolved(QUrl(importUri + QLatin1String("/qmldir")));
if (!QQmlImports::isLocal(qmldirUrl)) {
qDebug() << "File import from network not supported";
QQmlError error;
error.setDescription("File import from network not supported");
errors->append(error);
return false;
}
}
if (!compilation()->importCache->addFileImport(compilation()->importDatabase, importUri, importQualifier, import->majorVersion,
import->minorVersion, /*incomplete*/ false, errors))
return false;
}
return true;
}
void QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt &i)
{
if (!compiledData)
return;
QML_MEMORY_SCOPE_URL(compiledData->url());
QExplicitlySharedDataPointer<QQmlIncubatorPrivate> protectThis(this);
QRecursionWatcher<QQmlIncubatorPrivate, &QQmlIncubatorPrivate::recursion> watcher(this);
QQmlEngine *engine = compiledData->engine;
QQmlEnginePrivate *enginePriv = QQmlEnginePrivate::get(engine);
if (!vmeGuard.isOK()) {
QQmlError error;
error.setUrl(compiledData->url());
error.setDescription(QQmlComponent::tr("Object destroyed during incubation"));
errors << error;
progress = QQmlIncubatorPrivate::Completed;
goto finishIncubate;
}
vmeGuard.clear();
if (progress == QQmlIncubatorPrivate::Execute) {
enginePriv->referenceScarceResources();
QObject *tresult = 0;
tresult = creator->create(subComponentToCreate, /*parent*/0, &i);
if (!tresult)
errors = creator->errors;
enginePriv->dereferenceScarceResources();
if (watcher.hasRecursed())
return;
result = tresult;
if (errors.isEmpty() && result == 0)
goto finishIncubate;
if (result) {
QQmlData *ddata = QQmlData::get(result);
Q_ASSERT(ddata);
//see QQmlComponent::beginCreate for explanation of indestructible
ddata->indestructible = true;
ddata->explicitIndestructibleSet = true;
ddata->rootObjectInCreation = false;
if (q)
q->setInitialState(result);
}
if (watcher.hasRecursed())
return;
if (errors.isEmpty())
progress = QQmlIncubatorPrivate::Completing;
else
progress = QQmlIncubatorPrivate::Completed;
changeStatus(calculateStatus());
if (watcher.hasRecursed())
return;
if (i.shouldInterrupt())
goto finishIncubate;
}
if (progress == QQmlIncubatorPrivate::Completing) {
do {
if (watcher.hasRecursed())
return;
QQmlContextData *ctxt = 0;
ctxt = creator->finalize(i);
if (ctxt) {
rootContext = ctxt;
progress = QQmlIncubatorPrivate::Completed;
goto finishIncubate;
}
} while (!i.shouldInterrupt());
}
finishIncubate:
if (progress == QQmlIncubatorPrivate::Completed && waitingFor.isEmpty()) {
QExplicitlySharedDataPointer<QQmlIncubatorPrivate> isWaiting = waitingOnMe;
clear();
if (isWaiting) {
QRecursionWatcher<QQmlIncubatorPrivate, &QQmlIncubatorPrivate::recursion> watcher(isWaiting.data());
changeStatus(calculateStatus());
if (!watcher.hasRecursed())
isWaiting->incubate(i);
} else {
changeStatus(calculateStatus());
}
enginePriv->inProgressCreations--;
if (0 == enginePriv->inProgressCreations) {
while (enginePriv->erroredBindings) {
enginePriv->warning(enginePriv->erroredBindings);
enginePriv->erroredBindings->removeError();
}
}
} else if (!creator.isNull()) {
vmeGuard.guard(creator.data());
}
}
bool QmcTypeCompiler::createTypeMap()
{
// qqmltypecompiler.cpp:81
const QHash<int, QmlCompilation::TypeReference> &resolvedTypes = compilation->typeReferences;
for (QHash<int, QmlCompilation::TypeReference>::ConstIterator resolvedType = resolvedTypes.constBegin(), end = resolvedTypes.constEnd();
resolvedType != end; ++resolvedType) {
QScopedPointer<QQmlCompiledData::TypeReference> ref(new QQmlCompiledData::TypeReference);
QQmlType *qmlType = resolvedType->type;
if (resolvedType.value().composite) {
// qqmltypecompiler.cpp:87
if (resolvedType->needsCreation && qmlType->isCompositeSingleton()) {
QQmlError error;
QString reason = tr("Composite Singleton Type %1 is not creatable.").arg(qmlType->qmlTypeName());
error.setDescription(reason);
error.setColumn(resolvedType->location.column);
error.setLine(resolvedType->location.line);
recordError(error);
return false;
}
// qqmltypecompiler.cpp:96
Q_ASSERT(resolvedType->component);
Q_ASSERT(resolvedType->component->compiledData);
ref->component = resolvedType->component->compiledData;
ref->component->addref();
} else if (qmlType) {
ref->type = qmlType;
Q_ASSERT(ref->type);
if (resolvedType->needsCreation && !ref->type->isCreatable()) {
QQmlError error;
QString reason = ref->type->noCreationReason();
if (reason.isEmpty())
reason = tr("Element is not creatable.");
error.setDescription(reason);
error.setColumn(resolvedType->location.column);
error.setLine(resolvedType->location.line);
error.setUrl(compilation->url);
recordError(error);
return false;
}
if (ref->type->containsRevisionedAttributes()) {
QQmlError cacheError;
ref->typePropertyCache = QQmlEnginePrivate::get(compilation->engine)->cache(
ref->type,
resolvedType->minorVersion,
cacheError);
if (!ref->typePropertyCache) {
cacheError.setColumn(resolvedType->location.column);
cacheError.setLine(resolvedType->location.line);
recordError(cacheError);
return false;
}
ref->typePropertyCache->addref();
}
}
ref->majorVersion = resolvedType->majorVersion;
ref->minorVersion = resolvedType->minorVersion;
ref->doDynamicTypeCheck();
compiledData->resolvedTypes.insert(resolvedType.key(), ref.take());
}
return true;
}