data: improvements on error management

* mark all files with errors as incomplete
* fix incomplete label in codeview tooltip not updated properly
* added setting for canceling indexing for files with fatal errors

src/lib_cxx/data/parser/cxx/CxxAstVisitor.cpp

@@ -285,7 +285,7 @@ bool CxxAstVisitor::TraverseTemplateTemplateParmDecl(clang::TemplateTemplateParm
 
 bool CxxAstVisitor::VisitTranslationUnitDecl(clang::TranslationUnitDecl *d)
 {
-	return !m_client->hasFatalErrors();
+	return !m_client->cancelOnFatalErrors() || !m_client->hasFatalErrors();
 }
 
 bool CxxAstVisitor::TraverseNestedNameSpecifierLoc(clang::NestedNameSpecifierLoc loc)