Details
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Bug
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Resolution: Done
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P1: Critical
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5.9
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None
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9b2b06fd7bf07e1012b47798f38ba881e693436f
Description
https://codereview.qt-project.org/#/c/180233/ broke the QML runtime. If you run it like
qml file.qml
that gets turned into file://file.qml. Then there is this
QQmlTypeData *QQmlTypeLoader::getType(const QUrl &url, Mode mode)
{
Q_ASSERT(!url.isRelative() &&
(QQmlFile::urlToLocalFileOrQrc(url).isEmpty() ||
!QDir::isRelativePath(QQmlFile::urlToLocalFileOrQrc(url))));
which fails:
1 raise 0x7ffff4ed204f 2 abort 0x7ffff4ed347a 3 qt_message_fatal qlogging.cpp 1688 0x7ffff601d047 4 QMessageLogger::fatal qlogging.cpp 796 0x7ffff6019460 5 qt_assert qglobal.cpp 3025 0x7ffff60119aa 6 QQmlTypeLoader::getType qqmltypeloader.cpp 1630 0x7ffff7aeb7fd 7 QQmlComponentPrivate::loadUrl qqmlcomponent.cpp 662 0x7ffff7ac8efd 8 QQmlComponent::loadUrl qqmlcomponent.cpp 619 0x7ffff7ac8bf6 9 QQmlApplicationEnginePrivate::startLoad qqmlapplicationengine.cpp 113 0x7ffff7b56a63 10 QQmlApplicationEngine::load qqmlapplicationengine.cpp 268 0x7ffff7b56fa8 11 main main.cpp 592 0x40720d
So, is the assert wrong?
It has been suggested that we should use QUrl::fromUserInput more, but QUrl::fromUserInput("file.qml") turns into http://file.qml which is also not what we want.
I'm not sure if QtQuick is the only user for such a function but it's clear that there is too much inconsistent filename->url conversion going on in qtdeclarative and it needs to be streamlined. qmlscene works fine after this change; qml doesn't. qml's main.cpp resorts to using a regular expression to detect whether the command-line argument contains a scheme or is just a path, and that IMO should also not be necessary. This conversion needs to be a one-liner in every situation where it's necessary.
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