C++ function signature: Improve preserving of default arguments.

Task-number: QTCREATORBUG-5978
Change-Id: Iab0bba3c16b4cd435f0dc6339db49f209f1359d3
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>

1 files changed, 9 insertions, 5 deletions

diff --git a/src/plugins/cppeditor/cppfunctiondecldeflink.h b/src/plugins/cppeditor/cppfunctiondecldeflink.h
index 82c31153ee..0de6aa03cf 100644
--- a/src/plugins/cppeditor/cppfunctiondecldeflink.h
+++ b/src/plugins/cppeditor/cppfunctiondecldeflink.h
@@ -100,16 +100,20 @@ public:
     QTextCursor nameSelection;
     QString nameInitial;
 
-    // 1-based line and column
-    unsigned targetLine;
-    unsigned targetColumn;
-    QString targetInitial;
-
+    // The 'source' prefix denotes information about the original state
+    // of the function before the user did any edits.
     CPlusPlus::Document::Ptr sourceDocument;
     CPlusPlus::Function *sourceFunction;
     CPlusPlus::DeclarationAST *sourceDeclaration;
     CPlusPlus::FunctionDeclaratorAST *sourceFunctionDeclarator;
 
+    // The 'target' prefix denotes information about the remote declaration matching
+    // the 'source' declaration, where we will try to apply the user changes.
+    // 1-based line and column
+    unsigned targetLine;
+    unsigned targetColumn;
+    QString targetInitial;
+
     CppTools::CppRefactoringFileConstPtr targetFile;
     CPlusPlus::Function *targetFunction;
     CPlusPlus::DeclarationAST *targetDeclaration;