Clang: Add unsaved files messages

We have auto generated buffers from ui files which are not open but have no
file representation. So we need to provide them as unsaved files only.

Change-Id: I48a426c18e06eeda2fa707864f32f293e17ac651
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

src/plugins/clangcodemodel/test/clangcodecompletion_test.cpp

@@ -60,6 +60,7 @@
 #include <clangbackendipc/cmbregistertranslationunitsforeditormessage.h>
 #include <clangbackendipc/cmbunregisterprojectsforeditormessage.h>
 #include <clangbackendipc/cmbunregistertranslationunitsforeditormessage.h>
+#include <clangbackendipc/registerunsavedfilesforeditormessage.h>
 #include <utils/changeset.h>
 #include <utils/qtcassert.h>
 
@@ -347,6 +348,23 @@ QString toString(const UnregisterProjectPartsForEditorMessage &message)
     return out;
 }
 
+QString toString(const RegisterUnsavedFilesForEditorMessage &message)
+{
+    QString out;
+    QTextStream ts(&out);
+
+    ts << "RegisterUnsavedFilesForEditorMessage\n"
+       << toString(message.fileContainers());
+    return out;
+
+    return QLatin1String("RegisterUnsavedFilesForEditorMessage\n");
+}
+
+QString toString(const UnregisterUnsavedFilesForEditorMessage &)
+{
+    return QLatin1String("UnregisterUnsavedFilesForEditorMessage\n");
+}
+
 QString toString(const CompleteCodeMessage &)
 {
     return QLatin1String("CompleteCodeMessage\n");
@@ -375,6 +393,12 @@ public:
     void unregisterProjectPartsForEditor(const UnregisterProjectPartsForEditorMessage &message) override
     { senderLog.append(toString(message)); }
 
+    void registerUnsavedFilesForEditor(const RegisterUnsavedFilesForEditorMessage &message) override
+    { senderLog.append(toString(message)); }
+
+    void unregisterUnsavedFilesForEditor(const UnregisterUnsavedFilesForEditorMessage &message) override
+    { senderLog.append(toString(message)); }
+
     void completeCode(const CompleteCodeMessage &message) override
     { senderLog.append(toString(message)); }