diff --git a/include/osgIntrospection/ReflectionMacros b/include/osgIntrospection/ReflectionMacros
index 1a96287df..7fdf86205 100644
--- a/include/osgIntrospection/ReflectionMacros
+++ b/include/osgIntrospection/ReflectionMacros
@@ -164,6 +164,8 @@ namespace osgIntrospection
 // BASIC CONFIGURATION
 // --------------------------------------------------------------------------
 
+#define I_DeclaringFile(f)                   setDeclaringFile(f);
+
 #define I_Attribute(c)                       cap->addAttribute(new c);
 
 #define I_ReaderWriter(x)                    setReaderWriter(new x);
diff --git a/include/osgIntrospection/Reflector b/include/osgIntrospection/Reflector
index 10cec79a0..ff236a862 100644
--- a/include/osgIntrospection/Reflector
+++ b/include/osgIntrospection/Reflector
@@ -113,6 +113,9 @@ namespace osgIntrospection
 
         /// Sets the current type's ReaderWriter object.
         void setReaderWriter(const ReaderWriter* rw);
+
+        /// Sets the current type's declaring file.
+        void setDeclaringFile(const std::string& file) const;
         
     private:
         struct PtrConstructor: ConstructorInfo
@@ -962,6 +965,12 @@ namespace osgIntrospection
         _type->_cmp = cmp;
     }
 
+    template<typename T>
+    void Reflector<T>::setDeclaringFile(const std::string& file) const
+    {
+        _type->_declaringFile = file;
+    }
+
 }
 
 #endif
diff --git a/include/osgIntrospection/Type b/include/osgIntrospection/Type
index 2bb3db48e..359e24c65 100644
--- a/include/osgIntrospection/Type
+++ b/include/osgIntrospection/Type
@@ -242,6 +242,11 @@ namespace osgIntrospection
         /// this type, if any. Otherwise it returns the null pointer.
         inline const Comparator* getComparator() const;
 
+        /// Returns the path to the file where this type is declared,
+        /// relative the the OpenSceneGraph include directory.  Returns
+        /// the empty string if no path information is available.
+        inline const std::string &getDeclaringFile() const;
+
         /// Creates an instance of the reflected type. The returned Value 
         /// can be casted to T*, where T is the reflected type. If the type 
         ///    is abstract, an exception is thrown.
@@ -302,6 +307,8 @@ namespace osgIntrospection
 
         std::string _briefHelp;
         std::string _detailedHelp;
+
+        std::string _declaringFile;
     };
 
     // OPERATORS
@@ -550,6 +557,10 @@ namespace osgIntrospection
         return false;
     }
 
+    inline const std::string &Type::getDeclaringFile() const
+    {
+        return _declaringFile;
+    }
 }
 
 #endif