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();
}
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 tst_qqmlerror::url()
{
QQmlError error;
QCOMPARE(error.url(), QUrl());
error.setUrl(QUrl("http://www.qt-project.org/main.qml"));
QCOMPARE(error.url(), QUrl("http://www.qt-project.org/main.qml"));
QQmlError error2 = error;
QCOMPARE(error2.url(), QUrl("http://www.qt-project.org/main.qml"));
error.setUrl(QUrl("http://www.qt-project.org/main.qml"));
QCOMPARE(error.url(), QUrl("http://www.qt-project.org/main.qml"));
QCOMPARE(error2.url(), QUrl("http://www.qt-project.org/main.qml"));
}
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;
}
}
// 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::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"));
}
}
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);
}
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::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;
}
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);
}
}
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;
}
bool Compiler::exportData(QDataStream &output)
{
Q_D(Compiler);
QQmlError error;
if (!d->compilation->checkData(error)) {
error.setUrl(d->compilation->url);
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;
}
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;
}
}
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 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;
}
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;
}