#include <string>
#include <list>
+#include <vector>
#include "class_info.h"
+#include "print.h"
namespace GiNaC {
typedef ex (*unarch_func)(const archive_node &n, lst &sym_lst);
-/** This structure stores information about a registered GiNaC class. */
+/** This class stores information about a registered GiNaC class. */
class registered_class_options {
public:
registered_class_options(const char *n, const char *p, unsigned ti, unarch_func f)
const char *get_parent_name() const { return parent_name; }
unsigned get_id() const { return tinfo_key; }
unarch_func get_unarch_func() const { return unarchive; }
+ const std::vector<print_functor> &get_print_dispatch_table() const { return print_dispatch_table; }
+
+ template <class Ctx, class T, class C>
+ registered_class_options & print_func(void f(const T &, const C & c, unsigned))
+ {
+ set_print_func(Ctx::get_class_info_static().options.get_id(), f);
+ return *this;
+ }
+
+ template <class Ctx, class T, class C>
+ registered_class_options & print_func(void (T::*f)(const C &, unsigned))
+ {
+ set_print_func(Ctx::get_class_info_static().options.get_id(), f);
+ return *this;
+ }
+
+ template <class Ctx>
+ registered_class_options & print_func(const print_functor & f)
+ {
+ set_print_func(Ctx::get_class_info_static().options.get_id(), f);
+ return *this;
+ }
+
+ void set_print_func(unsigned id, const print_functor & f)
+ {
+ if (id >= print_dispatch_table.size())
+ print_dispatch_table.resize(id + 1);
+ print_dispatch_table[id] = f;
+ }
private:
const char *name; /**< Class name. */
const char *parent_name; /**< Name of superclass. */
unsigned tinfo_key; /**< TINFO_* key. */
unarch_func unarchive; /**< Pointer to unarchiving function. */
+ std::vector<print_functor> print_dispatch_table; /**< Method table for print() dispatch */
};
typedef class_info<registered_class_options> registered_class_info;
#define GINAC_DECLARE_REGISTERED_CLASS_NO_CTORS(classname, supername) \
public: \
typedef supername inherited; \
- template <class isexaclass> friend bool is_exactly_a(const GiNaC::basic &obj); \
private: \
static GiNaC::registered_class_info reg_info; \
public: \
- virtual const GiNaC::registered_class_info &get_class_info() const { return reg_info; } \
- virtual const char *class_name() const { return reg_info.options.get_name(); } \
+ static GiNaC::registered_class_info &get_class_info_static() { return reg_info; } \
+ virtual const GiNaC::registered_class_info &get_class_info() const { return classname::get_class_info_static(); } \
+ virtual GiNaC::registered_class_info &get_class_info() { return classname::get_class_info_static(); } \
+ virtual const char *class_name() const { return classname::get_class_info_static().options.get_name(); } \
\
classname(const GiNaC::archive_node &n, GiNaC::lst &sym_lst); \
virtual void archive(GiNaC::archive_node &n) const; \
GINAC_DECLARE_REGISTERED_CLASS_NO_CTORS(classname, supername) \
public: \
classname(); \
- classname * duplicate() const { return new classname(*this); } \
+ virtual classname * duplicate() const { return new classname(*this); } \
\
- void accept(GiNaC::visitor & v) const \
+ virtual void accept(GiNaC::visitor & v) const \
{ \
if (visitor *p = dynamic_cast<visitor *>(&v)) \
p->visit(*this); \
inherited::accept(v); \
} \
protected: \
- int compare_same_type(const GiNaC::basic & other) const; \
+ virtual int compare_same_type(const GiNaC::basic & other) const; \
private:
/** Macro for inclusion in the implementation of each registered class. */
extern unarch_func find_unarch_func(const std::string &class_name);
+/** Add or replace a print method. */
+template <class Alg, class Ctx, class T, class C>
+extern void set_print_func(void f(const T &, const C & c, unsigned))
+{
+ Alg::get_class_info_static().options.set_print_func(Ctx::get_class_info_static().options.get_id(), f);
+}
+
+/** Add or replace a print method. */
+template <class Alg, class Ctx, class T, class C>
+extern void set_print_func(void (T::*f)(const C &, unsigned))
+{
+ Alg::get_class_info_static().options.set_print_func(Ctx::get_class_info_static().options.get_id(), f);
+}
+
+
} // namespace GiNaC
#endif // ndef __GINAC_REGISTRAR_H__