Update source file headers. Fixes using standard GNU package conventions.

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

diff --git a/flower/include/virtual-methods.hh b/flower/include/virtual-methods.hh
index bf460b9d210ef2f9aeb1d099d3bc16f8b4de6094..eec30be19fd619f88c0988708c28bf90a7d0e7c4 100644 (file)
--- a/flower/include/virtual-methods.hh
+++ b/flower/include/virtual-methods.hh
@@ -1,9 +1,20 @@
 /*
-  virtual-methods.hh -- declare macros for our do-it-yourself RTTI
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the Flower Library
+  Copyright (C) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #ifndef VIRTUAL_METHODS_HH
@@ -17,15 +28,25 @@ 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);                   \