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ClangTools: use VFSoverlay if the clang tool supports it

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check the help output of a clang tool whether virtual file
system overlay is supported. Prepares for the vfso support
of clazy-standalone.

Change-Id: I157c94de1dda41c83945c9bc8a4c2e132b2e6551
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
This commit is contained in:
David Schulz
2020-08-25 06:18:26 +02:00
parent 43ee53c233
commit 7bbbdeac52
4 changed files with 33 additions and 24 deletions
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23
src/plugins/clangtools/clangtoolrunner.cpp
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@@ -73,6 +73,29 @@ void ClangToolRunner::init(const QString &outputDirPath,
connect(&m_process, &QProcess::readyRead, this, &ClangToolRunner::onProcessOutput);
}
QStringList ClangToolRunner::mainToolArguments() const
{
QStringList result;
result << "-export-fixes=" + m_outputFilePath;
if (!m_overlayFilePath.isEmpty() && supportsVFSOverlay())
result << "--vfsoverlay=" + m_overlayFilePath;
result << QDir::toNativeSeparators(m_fileToAnalyze);
return result;
}
bool ClangToolRunner::supportsVFSOverlay() const
{
static QMap<QString, bool> vfsCapabilities;
auto it = vfsCapabilities.find(m_executable);
if (it == vfsCapabilities.end()) {
Utils::SynchronousProcess p;
Utils::SynchronousProcessResponse response = p.runBlocking(
Utils::CommandLine(m_executable, {"--help"}));
it = vfsCapabilities.insert(m_executable, response.allOutput().contains("vfsoverlay"));
}
return it.value();
}
ClangToolRunner::~ClangToolRunner()
{
if (m_process.state() != QProcess::NotRunning) {