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 792c06f28077e218d4bd1686b146452e13dd6988..eec30be19fd619f88c0988708c28bf90a7d0e7c4 100644 (file)
--- a/flower/include/virtual-methods.hh
+++ b/flower/include/virtual-methods.hh
@@ -1,33 +1,55 @@
 /*
-  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--1999 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
 #define VIRTUAL_METHODS_HH
 
 #include <typeinfo>
-#include "stdlib.h"            // size_t
+using namespace std;
+
+#define classname(class_ptr) demangle_classname (typeid (* (class_ptr)))
 
-#define classname(class_ptr)   demangle_classname(typeid(*(class_ptr)).name())
+char const *
+demangle_classname (type_info const &);
 
-const char *
-demangle_classname (const char*);
+/*
+
+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);
+};
+
+*/
 
-   Virtual copy constructor. Make up for C++'s lack of a standard
-   clone() function.  Uses a typeof hack.  Usage:
+#define DECLARE_CLASSNAME(name) \
+  virtual const char *class_name () const {    \
+    return #name; \
+}
 
-   class Foo : Baseclass {
-       VIRTUAL_COPY_CONS(Baseclass);
-   };
-   
- */
-#define VIRTUAL_COPY_CONS(base)   virtual base *clone () const { return new typeof(*this) (*this); }
+#define VIRTUAL_COPY_CONSTRUCTOR(Base, name)   \
+  DECLARE_CLASSNAME(name);\
+  virtual Base *clone () const                 \
+  {                                            \
+    return new name (*this);                   \
+  }
 
-#endif 
+#endif /* VIRTUAL_METHODS_HH */