diff options
| author | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2021-11-18 15:05:17 +0100 |
|---|---|---|
| committer | Friedemann Kleint <Friedemann.Kleint@qt.io> | 2021-12-08 08:48:50 +0100 |
| commit | 862948599999e4e5701452a3f479182606e16a89 (patch) | |
| tree | 585769e3cc6891334ab340ff82c16e7352e41b06 /sources/pyside6/libpysideqml/pysideqmlmetacallerror.cpp | |
| parent | 244477a81445bf6f38cda3f8fe213daaa5908166 (diff) | |
Move the QML registration code into a library
This makes the code easier to maintain.
Task-number: PYSIDE-1709
Change-Id: Idb75143a7e6d218637ab75463db88b6135cd4086
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
Diffstat (limited to 'sources/pyside6/libpysideqml/pysideqmlmetacallerror.cpp')
| -rw-r--r-- | sources/pyside6/libpysideqml/pysideqmlmetacallerror.cpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/sources/pyside6/libpysideqml/pysideqmlmetacallerror.cpp b/sources/pyside6/libpysideqml/pysideqmlmetacallerror.cpp new file mode 100644 index 000000000..4887e3f51 --- /dev/null +++ b/sources/pyside6/libpysideqml/pysideqmlmetacallerror.cpp @@ -0,0 +1,97 @@ +/**************************************************************************** +** +** Copyright (C) 2021 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qt for Python. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "pysideqmlmetacallerror_p.h" + +#include <sbkpython.h> +#include <sbkstring.h> +#include <autodecref.h> + +#include <QtCore/QObject> +#include <QtCore/QString> + +#include <QtQml/QQmlEngine> +#include <QtQml/QQmlListProperty> + +#if __has_include (<private/qv4engine_p.h>) +# define QML_PRIVATE_API_SUPPORT +# include <private/qv4engine_p.h> +# include <private/qv4context_p.h> +# include <private/qqmldata_p.h> +#endif + +namespace PySide { + +std::optional<int> qmlMetaCallErrorHandler(QObject *object) +{ +#ifdef QML_PRIVATE_API_SUPPORT + // This JS engine grabber based off of Qt 5.5's `qjsEngine` function + QQmlData *data = QQmlData::get(object, false); + if (!data || data->jsWrapper.isNullOrUndefined()) + return {}; + + QV4::ExecutionEngine *engine = data->jsWrapper.engine(); + if (engine->currentStackFrame == nullptr) + return {}; + + PyObject *errType, *errValue, *errTraceback; + PyErr_Fetch(&errType, &errValue, &errTraceback); + // PYSIDE-464: The error is only valid before PyErr_Restore, + // PYSIDE-464: therefore we take local copies. + Shiboken::AutoDecRef objStr(PyObject_Str(errValue)); + const QString errString = QLatin1String(Shiboken::String::toCString(objStr)); + const bool isSyntaxError = errType == PyExc_SyntaxError; + const bool isTypeError = errType == PyExc_TypeError; + PyErr_Restore(errType, errValue, errTraceback); + + PyErr_Print(); // Note: PyErr_Print clears the error. + + if (isSyntaxError) + return engine->throwSyntaxError(errString); + if (isTypeError) + return engine->throwTypeError(errString); + return engine->throwError(errString); +#else + Q_UNUSED(object); + qWarning("libpyside6qml was built without QML private API support, error handling will not work."); + return {}; +#endif // QML_PRIVATE_API_SUPPORT +} + +} // namespace PySide |