CppTools: Encode more information in log file of CppCodeModelInspector

Among others the timestamp and if provided, some extra id.

Change-Id: I017c2af197023347c88f2547e7bda8f22b3d00c4
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>

src/plugins/cpptools/cppcodemodelinspectordumper.cpp

@@ -421,11 +421,25 @@ QList<CPlusPlus::Document::Ptr> Utils::snapshotToList(const CPlusPlus::Snapshot
     return documents;
 }
 
-Dumper::Dumper(const CPlusPlus::Snapshot &globalSnapshot)
+Dumper::Dumper(const CPlusPlus::Snapshot &globalSnapshot, const QString &logFileId)
     : m_globalSnapshot(globalSnapshot), m_out(stderr)
 {
-    const QString logFileName = QDir::tempPath()
-        + QString::fromLatin1("/qtc-codemodelinspection.txt");
+    QString ideRevision;
+#ifdef IDE_REVISION
+     ideRevision = QString::fromLatin1(Core::Constants::IDE_REVISION_STR).left(10);
+#endif
+    QString ideRevision_ = ideRevision;
+    if (!ideRevision_.isEmpty())
+        ideRevision_.prepend(QLatin1Char('_'));
+    QString logFileId_ = logFileId;
+    if (!logFileId_.isEmpty())
+        logFileId_.prepend(QLatin1Char('_'));
+    const QString logFileName = QDir::tempPath() + QString::fromLatin1("/qtc-codemodelinspection")
+            + ideRevision_
+            + QDateTime::currentDateTime().toString(QLatin1String("_yyMMdd_hhmmss"))
+            + logFileId_
+            + QLatin1String(".txt");
+
     m_logFile.setFileName(logFileName);
     if (m_logFile.open(QIODevice::WriteOnly | QIODevice::Text)) {
         m_out << "Code model inspection log file is \"" << QDir::toNativeSeparators(logFileName)
@@ -433,12 +447,7 @@ Dumper::Dumper(const CPlusPlus::Snapshot &globalSnapshot)
         m_out.setDevice(&m_logFile);
     }
     m_out << "*** START Code Model Inspection Report for ";
-    QString ideRevision;
-#ifdef IDE_REVISION
-     ideRevision = QLatin1String(" from revision ")
-        + QString::fromLatin1(Core::Constants::IDE_REVISION_STR).left(10);
-#endif
-    m_out << Core::ICore::versionString() << ideRevision << "\n";
+    m_out << Core::ICore::versionString() << " from revision " << ideRevision << "\n";
     m_out << "Note: This file contains vim fold markers (\"{{{n\"). "
              "Make use of them via \":set foldmethod=marker\".\n";
 }

src/plugins/cpptools/cppcodemodelinspectordumper.h

@@ -64,7 +64,8 @@ struct CPPTOOLS_EXPORT Utils
 class CPPTOOLS_EXPORT Dumper
 {
 public:
-    explicit Dumper(const CPlusPlus::Snapshot &globalSnapshot);
+    explicit Dumper(const CPlusPlus::Snapshot &globalSnapshot,
+                    const QString &logFileId = QString());
     ~Dumper();
 
     void dumpProjectInfos(const QList<CppTools::CppModelManagerInterface::ProjectInfo> &projectInfos);

src/plugins/cpptools/cppmodelmanager.cpp

@@ -406,13 +406,13 @@ QByteArray CppModelManager::internalDefinedMacros() const
 }
 
 /// This function will acquire mutexes!
-void CppModelManager::dumpModelManagerConfiguration()
+void CppModelManager::dumpModelManagerConfiguration(const QString &logFileId)
 {
     const Snapshot globalSnapshot = snapshot();
     const QString globalSnapshotTitle
         = QString::fromLatin1("Global/Indexing Snapshot (%1 Documents)").arg(globalSnapshot.size());
 
-    CppCodeModelInspector::Dumper dumper(globalSnapshot);
+    CppCodeModelInspector::Dumper dumper(globalSnapshot, logFileId);
     dumper.dumpProjectInfos(projectInfos());
     dumper.dumpSnapshot(globalSnapshot, globalSnapshotTitle, /*isGlobalSnapshot=*/ true);
     dumper.dumpWorkingCopy(workingCopy());
@@ -742,7 +742,7 @@ QFuture<void> CppModelManager::updateProjectInfo(const ProjectInfo &newProjectIn
 
     // If requested, dump everything we got
     if (DumpProjectInfo)
-        dumpModelManagerConfiguration();
+        dumpModelManagerConfiguration(QLatin1String("updateProjectInfo"));
 
     // Remove files from snapshot that are not reachable any more
     if (filesRemoved)

src/plugins/cpptools/cppmodelmanager.h

@@ -187,7 +187,7 @@ private:
     QStringList internalFrameworkPaths() const;
     QByteArray internalDefinedMacros() const;
 
-    void dumpModelManagerConfiguration();
+    void dumpModelManagerConfiguration(const QString &logFileId);
 
 private:
     static QMutex m_instanceMutex;