Added methods to OverloadData:

* OverloadData* headOverloadData() const;
  Return the root OverloadData object for the current OverloadData.
* QStringList returnTypes() const;
  Returns a list of the possible return types for the current OverloadData.
* bool hasNonVoidReturnType() const;
  Returns true if any of the overloads for the current OverloadData has a
  return type different from void.

1 files changed, 11 insertions, 0 deletions

diff --git a/overloaddata.h b/overloaddata.h
index 9d720dba2..4e01e3d50 100644
--- a/overloaddata.h
+++ b/overloaddata.h
@@ -44,11 +44,22 @@ public:
     int argPos() const { return m_argPos; }
 
     const AbstractMetaType* argType() const { return m_argType; }
+
+    /// Returns a string list containing all the possible return types (including void) for the current OverloadData.
+    QStringList returnTypes() const;
+
+    /// Returns true if any of the overloads for the current OverloadData has a return type different from void.
+    bool hasNonVoidReturnType() const;
+
     const AbstractMetaFunction* referenceFunction() const;
     const AbstractMetaArgument* argument(const AbstractMetaFunction* func) const;
     OverloadDataList overloadDataOnPosition(int argPos) const;
 
     bool isHeadOverloadData() const { return this == m_headOverloadData; }
+
+    /// Returns the root OverloadData object that represents all the overloads.
+    OverloadData* headOverloadData() const { return m_headOverloadData; }
+
     bool hasDefaultValue() const;
     bool nextArgumentHasDefaultValue() const;
     /// Returns the nearest occurrence, including this instance, of an argument with a default value.