Clang: Make some functions available for reuse

Change-Id: I7b85ea104a852c1168578949247efb8387a95f30
Reviewed-by: Ivan Donchevskii <ivan.donchevskii@qt.io>

src/plugins/clangcodemodel/clangbackendcommunicator.cpp

@@ -140,20 +140,6 @@ void BackendCommunicator::initializeBackend()
 }
 
 namespace {
-Utf8String currentCppEditorDocumentFilePath()
-{
-    Utf8String currentCppEditorDocumentFilePath;
-
-    const auto currentEditor = Core::EditorManager::currentEditor();
-    if (currentEditor && CppTools::CppModelManager::isCppEditor(currentEditor)) {
-        const auto currentDocument = currentEditor->document();
-        if (currentDocument)
-            currentCppEditorDocumentFilePath = currentDocument->filePath().toString();
-    }
-
-    return currentCppEditorDocumentFilePath;
-}
-
 void removeDuplicates(Utf8StringVector &visibleEditorDocumentsFilePaths)
 {
     std::sort(visibleEditorDocumentsFilePaths.begin(),
@@ -204,7 +190,8 @@ Utf8StringVector visibleCppEditorDocumentsFilePaths()
 
 void BackendCommunicator::documentVisibilityChanged()
 {
-    documentVisibilityChanged(currentCppEditorDocumentFilePath(), visibleCppEditorDocumentsFilePaths());
+    documentVisibilityChanged(Utils::currentCppEditorDocumentFilePath(),
+                              visibleCppEditorDocumentsFilePaths());
 }
 
 bool BackendCommunicator::isNotWaitingForCompletion() const
@@ -480,7 +467,7 @@ void BackendCommunicator::documentsOpened(const FileContainers &fileContainers)
     Utf8String currentDocument;
     Utf8StringVector visibleDocuments;
     if (!m_postponeBackendJobs) {
-        currentDocument = currentCppEditorDocumentFilePath();
+        currentDocument = Utils::currentCppEditorDocumentFilePath();
         visibleDocuments = visibleCppEditorDocumentsFilePaths();
     }
 

src/plugins/clangcodemodel/clangutils.cpp

@@ -354,5 +354,19 @@ void generateCompilationDB(::Utils::FileName projectDir, CppTools::ProjectInfo p
     compileCommandsFile.close();
 }
 
+QString currentCppEditorDocumentFilePath()
+{
+    QString filePath;
+
+    const auto currentEditor = Core::EditorManager::currentEditor();
+    if (currentEditor && CppTools::CppModelManager::isCppEditor(currentEditor)) {
+        const auto currentDocument = currentEditor->document();
+        if (currentDocument)
+            filePath = currentDocument->filePath().toString();
+    }
+
+    return filePath;
+}
+
 } // namespace Utils
 } // namespace Clang

src/plugins/clangcodemodel/clangutils.h

@@ -62,6 +62,8 @@ QString projectPartIdForFile(const QString &filePath);
 int clangColumn(const QTextBlock &line, int cppEditorColumn);
 int cppEditorColumn(const QTextBlock &line, int clangColumn);
 
+QString currentCppEditorDocumentFilePath();
+
 QString diagnosticCategoryPrefixRemoved(const QString &text);
 
 ::Utils::CodeModelIcon::Type iconTypeForToken(const ClangBackEnd::TokenInfoContainer &token);