Qmake: Add some debug output for file add/remove operations

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Task-number: QTCREATORBUG-22508
Change-Id: Idfc22245587dd2d71b229b4ab6c7562fb7a5ecfc
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

3 files changed, 9 insertions, 0 deletions

diff --git a/src/plugins/qmakeprojectmanager/qmakenodes.cpp b/src/plugins/qmakeprojectmanager/qmakenodes.cpp
index 59f22e4faa..25397d92d6 100644
--- a/src/plugins/qmakeprojectmanager/qmakenodes.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakenodes.cpp
@@ -217,6 +217,9 @@ bool QmakeBuildSystem::addFiles(Node *context, const QStringList &filePaths, QSt
             actualFilePaths.removeOne(e);
         if (notAdded)
             *notAdded = alreadyPresentFiles;
+        qCDebug(qmakeNodesLog) << Q_FUNC_INFO << "file paths:" << filePaths
+                               << "already present:" << alreadyPresentFiles
+                               << "actual file paths:" << actualFilePaths;
         return pri->addFiles(actualFilePaths, notAdded);
     }
 
diff --git a/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp b/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp
index f3d20cb894..068fb5d703 100644
--- a/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp
+++ b/src/plugins/qmakeprojectmanager/qmakeparsernodes.cpp
@@ -107,6 +107,8 @@ uint qHash(FileOrigin fo) { return ::qHash(int(fo)); }
 
 namespace Internal {
 
+Q_LOGGING_CATEGORY(qmakeNodesLog, "qtc.qmake.nodes", QtWarningMsg)
+
 class QmakeEvalInput
 {
 public:
@@ -901,6 +903,8 @@ void QmakePriFile::changeFiles(const QString &mimeType,
     if (!includeFile)
         return;
 
+    qCDebug(qmakeNodesLog) << Q_FUNC_INFO << "mime type:" << mimeType << "file paths:"
+                           << filePaths << "change type:" << int(change) << "mode:" << int(mode);
     if (change == AddToProFile) {
         // Use the first variable for adding.
         ProWriter::addFiles(includeFile, &lines, filePaths, varNameForAdding(mimeType),
diff --git a/src/plugins/qmakeprojectmanager/qmakeparsernodes.h b/src/plugins/qmakeprojectmanager/qmakeparsernodes.h
index 0812e16255..c1029bde85 100644
--- a/src/plugins/qmakeprojectmanager/qmakeparsernodes.h
+++ b/src/plugins/qmakeprojectmanager/qmakeparsernodes.h
@@ -35,6 +35,7 @@
 
 #include <QFutureWatcher>
 #include <QHash>
+#include <QLoggingCategory>
 #include <QMap>
 #include <QPair>
 #include <QStringList>
@@ -108,6 +109,7 @@ enum class Variable {
 uint qHash(Variable key, uint seed = 0);
 
 namespace Internal {
+Q_DECLARE_LOGGING_CATEGORY(qmakeNodesLog)
 class QmakeEvalInput;
 class QmakeEvalResult;
 class QmakePriFileEvalResult;