* Definition of helper classes for expression output. */
/*
- * GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2007 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __GINAC_PRINT_H__
typedef supername inherited; \
friend class function_options; \
friend class registered_class_options; \
-private: \
- static GiNaC::print_context_class_info reg_info; \
public: \
- virtual const GiNaC::print_context_class_info &get_class_info() const { return reg_info; } \
- virtual const char *class_name() const { return reg_info.options.get_name(); } \
+ static const GiNaC::print_context_class_info &get_class_info_static(); \
+ virtual const GiNaC::print_context_class_info &get_class_info() const { return classname::get_class_info_static(); } \
+ virtual const char *class_name() const { return classname::get_class_info_static().options.get_name(); } \
\
classname(); \
- classname * duplicate() const { return new classname(*this); } \
+ virtual classname * duplicate() const { return new classname(*this); } \
private:
/** Macro for inclusion in the implementation of each print_context class. */
#define GINAC_IMPLEMENT_PRINT_CONTEXT(classname, supername) \
- GiNaC::print_context_class_info classname::reg_info = GiNaC::print_context_class_info(print_context_options(#classname, #supername, next_print_context_id++));
+const GiNaC::print_context_class_info &classname::get_class_info_static() \
+{ \
+ static GiNaC::print_context_class_info reg_info = GiNaC::print_context_class_info(GiNaC::print_context_options(#classname, #supername, GiNaC::next_print_context_id++)); \
+ return reg_info; \
+}
+
extern unsigned next_print_context_id;
template <class T, class C>
class print_memfun_handler : public print_functor_impl {
public:
- typedef void (T::*F)(const C & c, unsigned level);
+ typedef void (T::*F)(const C & c, unsigned level) const;
print_memfun_handler(F f_) : f(f_) {}
print_memfun_handler *duplicate() const { return new print_memfun_handler(*this); }
print_functor(void f(const T &, const C &, unsigned)) : impl(new print_ptrfun_handler<T, C>(f)) {}
template <class T, class C>
- print_functor(void (T::*f)(const C &, unsigned)) : impl(new print_memfun_handler<T, C>(f)) {}
+ print_functor(void (T::*f)(const C &, unsigned) const) : impl(new print_memfun_handler<T, C>(f)) {}
print_functor & operator=(const print_functor & other)
{