void tst_qqmlexpression::scriptString()
{
qmlRegisterType<TestObject>("Test", 1, 0, "TestObject");
QQmlEngine engine;
QQmlComponent c(&engine, testFileUrl("scriptString.qml"));
TestObject *testObj = qobject_cast<TestObject*>(c.create());
QVERIFY(testObj != 0);
QQmlScriptString script = testObj->scriptString();
QVERIFY(!script.isEmpty());
QQmlExpression expression(script);
QVariant value = expression.evaluate();
QCOMPARE(value.toInt(), 15);
QQmlScriptString scriptError = testObj->scriptStringError();
QVERIFY(!scriptError.isEmpty());
//verify that the expression has the correct error location information
QQmlExpression expressionError(scriptError);
QVariant valueError = expressionError.evaluate();
QVERIFY(!valueError.isValid());
QVERIFY(expressionError.hasError());
QQmlError error = expressionError.error();
QCOMPARE(error.url(), c.url());
QCOMPARE(error.line(), 8);
}
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();
}
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);
}
static QString qmlErrorToString(const QQmlError &error)
{
return QStringLiteral("%1:%2:%3: %4")
.arg(error.url().toString())
.arg(error.line())
.arg(error.column())
.arg(error.description());
}
foreach(QQmlError warning, warnings)
{
QString url;
if (warning.url().isLocalFile())
url = warning.url().toLocalFile();
else
url = warning.url().toString();
qCWarning(sambaLogQml, "%s:%d: %s", url.toLocal8Bit().constData(),
warning.line(), warning.description().toLocal8Bit().constData());
}
QDebug operator<<(QDebug debug, const QQmlError &error)
{
debug << qPrintable(error.toString());
QUrl url = error.url();
if (error.line() > 0 && url.scheme() == QLatin1String("file")) {
QString file = url.toLocalFile();
QFile f(file);
if (f.open(QIODevice::ReadOnly)) {
QByteArray data = f.readAll();
QTextStream stream(data, QIODevice::ReadOnly);
#ifndef QT_NO_TEXTCODEC
stream.setCodec("UTF-8");
#endif
const QString code = stream.readAll();
const QStringList lines = code.split(QLatin1Char('\n'));
if (lines.count() >= error.line()) {
const QString &line = lines.at(error.line() - 1);
debug << "\n " << qPrintable(line);
if(error.column() > 0) {
int column = qMax(0, error.column() - 1);
column = qMin(column, line.length());
QByteArray ind;
ind.reserve(column);
for (int i = 0; i < column; ++i) {
const QChar ch = line.at(i);
if (ch.isSpace())
ind.append(ch.unicode());
else
ind.append(' ');
}
ind.append('^');
debug << "\n " << ind.constData();
}
}
}
}
return debug;
}
void tst_qqmlerror::line()
{
QQmlError error;
QCOMPARE(error.line(), -1);
error.setLine(102);
QCOMPARE(error.line(), 102);
QQmlError error2 = error;
QCOMPARE(error2.line(), 102);
error.setLine(4);
QCOMPARE(error.line(), 4);
QCOMPARE(error2.line(), 102);
}
void QQmlDirParser::setError(const QQmlError &e)
{
_errors.clear();
reportError(e.line(), e.column(), e.description());
}