Run `make grand-replace'.

[lilypond.git] / flower / include / virtual-methods.hh

diff --git a/flower/include/virtual-methods.hh b/flower/include/virtual-methods.hh
index bf460b9d210ef2f9aeb1d099d3bc16f8b4de6094..57431f49082de48e222e6801fdc2fa2e89fdb356 100644 (file)
--- a/flower/include/virtual-methods.hh
+++ b/flower/include/virtual-methods.hh
@@ -3,7 +3,7 @@
 
   source file of the Flower Library
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
 
 #ifndef VIRTUAL_METHODS_HH
@@ -17,15 +17,25 @@ using namespace std;
 char const *
 demangle_classname (type_info const &);
 
-/* Virtual copy constructor.  Make up for C++'s lack of a standard
-   factory or clone () function.  Uses a typeof hack.  Usage:
+/*
+
+Virtual copy constructor.  Make up for C++'s lack of a standard
+factory or clone () function.  Usage:
+
+class Foo : Baseclass
+{
+VIRTUAL_COPY_CONSTRUCTOR (Baseclass, Foo);
+};
+
+*/
 
-   class Foo : Baseclass
-   {
-   VIRTUAL_COPY_CONSTRUCTOR (Baseclass, Foo);
-   }; */
+#define DECLARE_CLASSNAME(name) \
+  virtual const char *class_name () const {    \
+    return #name; \
+}
 
 #define VIRTUAL_COPY_CONSTRUCTOR(Base, name)   \
+  DECLARE_CLASSNAME(name);\
   virtual Base *clone () const                 \
   {                                            \
     return new name (*this);                   \