* Definition of helper classes for expression output. */
/*
- * GiNaC Copyright (C) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2019 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__
-#define __GINAC_PRINT_H__
+#ifndef GINAC_PRINT_H
+#define GINAC_PRINT_H
+
+#include "class_info.h"
#include <iosfwd>
-#include <string>
#include <memory>
-
-#include "class_info.h"
+#include <string>
namespace GiNaC {
-
/** This class stores information about a registered print_context class. */
class print_context_options {
public:
};
+/** Common part of GINAC_DECLARE_PRINT_CONTEXT_BASE and GINAC_DECLARE_PRINT_CONTEXT_DERIVED. */
+#define GINAC_DECLARE_PRINT_CONTEXT_COMMON(classname) \
+public: \
+ friend class function_options; \
+ friend class registered_class_options; \
+ static const GiNaC::print_context_class_info &get_class_info_static(); \
+ classname();
+
+#define GINAC_DECLARE_PRINT_CONTEXT_BASE(classname) \
+ GINAC_DECLARE_PRINT_CONTEXT_COMMON(classname) \
+ 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(); } \
+ virtual classname * duplicate() const { return new classname(*this); } \
+private:
+
/** Macro for inclusion in the declaration of a print_context class.
* It declares some functions that are common to all classes derived
* from 'print_context' as well as all required stuff for the GiNaC
* registry. */
#define GINAC_DECLARE_PRINT_CONTEXT(classname, supername) \
-public: \
+ GINAC_DECLARE_PRINT_CONTEXT_COMMON(classname) \
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(); } \
- \
- classname(); \
- classname * duplicate() const { return new classname(*this); } \
+ const GiNaC::print_context_class_info &get_class_info() const override { return classname::get_class_info_static(); } \
+ const char *class_name() const override { return classname::get_class_info_static().options.get_name(); } \
+ classname * duplicate() const override { 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;
/** Base class for print_contexts. */
class print_context
{
- GINAC_DECLARE_PRINT_CONTEXT(print_context, void)
+ GINAC_DECLARE_PRINT_CONTEXT_BASE(print_context)
public:
print_context(std::ostream &, unsigned options = 0);
virtual ~print_context() {}
/** Check if obj is a T, including base classes. */
template <class T>
inline bool is_a(const print_context & obj)
-{ return dynamic_cast<const T *>(&obj) != 0; }
+{ return dynamic_cast<const T *>(&obj) != nullptr; }
class basic;
typedef void (*F)(const T &, const C &, unsigned);
print_ptrfun_handler(F f_) : f(f_) {}
- print_ptrfun_handler *duplicate() const { return new print_ptrfun_handler(*this); }
+ print_ptrfun_handler *duplicate() const override { return new print_ptrfun_handler(*this); }
- void operator()(const basic & obj, const print_context & c, unsigned level) const
+ void operator()(const basic & obj, const print_context & c, unsigned level) const override
{
// Call the supplied function
f(dynamic_cast<const T &>(obj), dynamic_cast<const C &>(c), level);
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_memfun_handler *duplicate() const override { return new print_memfun_handler(*this); }
- void operator()(const basic & obj, const print_context & c, unsigned level) const
+ void operator()(const basic & obj, const print_context & c, unsigned level) const override
{
// Call the supplied member function
return (dynamic_cast<const T &>(obj).*f)(dynamic_cast<const C &>(c), level);
* implements the actual function call. */
class print_functor {
public:
- print_functor() : impl(0) {}
+ print_functor() : impl(nullptr) {}
print_functor(const print_functor & other) : impl(other.impl.get() ? other.impl->duplicate() : 0) {}
- print_functor(std::auto_ptr<print_functor_impl> impl_) : impl(impl_) {}
+ print_functor(std::unique_ptr<print_functor_impl> impl_) : impl(std::move(impl_)) {}
template <class T, class C>
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)
{
if (this != &other) {
print_functor_impl *p = other.impl.get();
- impl.reset(p ? other.impl->duplicate() : 0);
+ impl.reset(p ? other.impl->duplicate() : nullptr);
}
return *this;
}
bool is_valid() const { return impl.get(); }
private:
- std::
auto_ptr<print_functor_impl> impl;
+ std::
unique_ptr<print_functor_impl> impl;
};
} // namespace GiNaC
-#endif // ndef __GINAC_BASIC_H__
+#endif // ndef GINAC_BASIC_H
git://www.ginac.de / ginac.git / blobdiff