ClangTools: Add automatic clang tool runner for open documents

Fixes: QTCREATORBUG-23349
Change-Id: I81197180c9d69c7df6184f8fcbf05f2256eaf7f6
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

1 files changed, 12 insertions, 5 deletions

diff --git a/src/plugins/clangtools/clangtidyclazyrunner.cpp b/src/plugins/clangtools/clangtidyclazyrunner.cpp
index 8fbc09ff5a..d3e2b34198 100644
--- a/src/plugins/clangtools/clangtidyclazyrunner.cpp
+++ b/src/plugins/clangtools/clangtidyclazyrunner.cpp
@@ -80,6 +80,13 @@ static QStringList mainToolArguments(const QString &mainFilePath, const QString
     };
 }
 
+static QString virtualFileSystemOverlay(const QString &overlayFilePath)
+{
+    if (overlayFilePath.isEmpty())
+        return {};
+    return "--vfsoverlay=" + overlayFilePath;
+}
+
 static QStringList clangArguments(const ClangDiagnosticConfig &diagnosticConfig,
                                   const QStringList &baseOptions)
 {
@@ -102,11 +109,11 @@ ClangTidyRunner::ClangTidyRunner(const ClangDiagnosticConfig &config, QObject *p
     setOutputFileFormat(OutputFileFormat::Yaml);
     setExecutable(clangTidyExecutable());
     setArgsCreator([this, config](const QStringList &baseOptions) {
-        return QStringList()
-            << tidyChecksArguments(config)
-            << mainToolArguments(fileToAnalyze(), outputFilePath())
-            << "--"
-            << clangArguments(config, baseOptions);
+        return QStringList() << tidyChecksArguments(config)
+                             << mainToolArguments(fileToAnalyze(), outputFilePath())
+                             << virtualFileSystemOverlay(m_overlayFilePath)
+                             << "--"
+                             << clangArguments(config, baseOptions);
     });
 }