/*
- class-name.hh -- declare
+ virtual-methods.hh -- declare macros for our do-it-yourself RTTI
- source file of the LilyPond music typesetter
+ source file of the Flower Library
- (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
+ (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
+#ifndef VIRTUAL_METHODS_HH
+#define VIRTUAL_METHODS_HH
-#ifndef CLASS_NAME_HH
-#define CLASS_NAME_HH
+#include <typeinfo>
+using namespace std;
-/** a macro to declare the classes name as a static and virtual function.
- The static_name() can *not* be inlined (this might have the effect that
- s->name() != S::static_name(). Overlapping strings need not be merged in C++
- */
-#define NAME_MEMBERS() \
-static char const *static_name();\
-virtual char const *name() const{ return static_name(); } \
-int a_stupid_nonexistent_function_to_allow_the_semicolon_come_out()
+#define classname(class_ptr) demangle_classname (typeid (* (class_ptr)))
-#define IMPLEMENT_STATIC_NAME(c)\
- char const *c::static_name() { return #c; }
+char const *
+demangle_classname (type_info const &);
-#define VIRTUAL_COPY_CONS(T, R)\
- virtual R *clone() const { return new T(*this); } \
+/*
+
+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);
+};
+
+*/
+
+#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); \
+ }
-
-#endif // CLASS-NAME_HH
+#endif /* VIRTUAL_METHODS_HH */