#include <string>
#include <list>
+#include "class_info.h"
+
namespace GiNaC {
-class registered_class_info;
class ex;
class archive_node;
typedef ex (*unarch_func)(const archive_node &n, lst &sym_lst);
-/** Head of list of all registered_class_info structures. */
-extern registered_class_info *first_registered_class;
+/** This structure 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)
+ : name(n), parent_name(p), tinfo_key(ti), unarchive(f) {}
+ const char *get_name() const { return name; }
+ const char *get_parent_name() const { return parent_name; }
+ unsigned get_id() const { return tinfo_key; }
+ unarch_func get_unarch_func() const { return unarchive; }
-/** This structure stores information about a registered GiNaC class. */
-struct registered_class_info {
- registered_class_info(const char *n, const char *s, unsigned int k, unarch_func f)
- : name(n), super(s), tinfo_key(k), unarchive(f)
- {
- // Add structure to list
- next = first_registered_class;
- first_registered_class = this;
- }
-
- registered_class_info *next; /**< Pointer to next registered_class_info in list. */
- const char *name; /**< Class name. */
- const char *super; /**< Name of superclass. */
- unsigned int tinfo_key; /**< TINFO_* key. */
- unarch_func unarchive; /**< Pointer to unarchiving function. */
+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. */
};
+typedef class_info<registered_class_options> registered_class_info;
+
/** Primary macro for inclusion in the declaration of each registered class. */
#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; \
- virtual const char *class_name() const; \
+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(); } \
\
classname(const GiNaC::archive_node &n, GiNaC::lst &sym_lst); \
virtual void archive(GiNaC::archive_node &n) const; \
int compare_same_type(const GiNaC::basic & other) const; \
private:
-/** Macro for inclusion in the implementation of each registered class.
- * It defines some members that are the same in all classes derived from
- * 'basic'. */
+/** Macro for inclusion in the implementation of each registered class. */
#define GINAC_IMPLEMENT_REGISTERED_CLASS(classname, supername) \
- GiNaC::registered_class_info classname::reg_info(#classname, #supername, TINFO_##classname, &classname::unarchive); \
- const char *classname::class_name() const {return reg_info.name;}
+ GiNaC::registered_class_info classname::reg_info = GiNaC::registered_class_info(GiNaC::registered_class_options(#classname, #supername, TINFO_##classname, &classname::unarchive));
+
+/** Macro for inclusion in the implementation of each registered class.
+ * Additional options can be specified. */
+#define GINAC_IMPLEMENT_REGISTERED_CLASS_OPT(classname, supername, options) \
+ GiNaC::registered_class_info classname::reg_info = GiNaC::registered_class_info(GiNaC::registered_class_options(#classname, #supername, TINFO_##classname, &classname::unarchive).options);
/** Find TINFO_* key by class name. */
-extern unsigned int find_tinfo_key(const std::string &class_name);
+extern unsigned find_tinfo_key(const std::string &class_name);
/** Find unarchiving function by class name. */
extern unarch_func find_unarch_func(const std::string &class_name);