* GiNaC's class registrar (for class basic and all classes derived from it). */
/*
- * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2001 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
#include <string>
-#ifndef NO_NAMESPACE_GINAC
namespace GiNaC {
-#endif // ndef NO_NAMESPACE_GINAC
class registered_class_info;
class ex;
/** 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. */
+ 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. */
};
-/** Macro for inclusion in the declaration of each registered class. */
+/** Primary macro for inclusion in the implementation of each registered class. */
+#define GINAC_DECLARE_REGISTERED_CLASS_NO_CTORS(classname, supername) \
+public: \
+ typedef supername inherited; \
+ static registered_class_info reg_info; \
+ virtual const char *class_name(void) const; \
+ classname(const archive_node &n, const lst &sym_lst); \
+ virtual void archive(archive_node &n) const; \
+ static ex unarchive(const archive_node &n, const lst &sym_lst);
+
+/** Macro for inclusion in the declaration of each registered class.
+ * It declares some functions that are common to all classes derived
+ * from 'basic' as well as all required stuff for the GiNaC class
+ * registry (mainly needed for archiving). */
#define GINAC_DECLARE_REGISTERED_CLASS(classname, supername) \
+ GINAC_DECLARE_REGISTERED_CLASS_NO_CTORS(classname, supername) \
public: \
- typedef supername inherited; \
- static registered_class_info reg_info; \
- virtual const char *class_name(void) const; \
- classname(const archive_node &n, const lst &sym_lst); \
- virtual void archive(archive_node &n) const; \
- static ex unarchive(const archive_node &n, const lst &sym_lst); \
+ classname(); \
+ ~classname() { /*debugmsg(#classname " dtor", LOGLEVEL_DESTRUCT);*/ destroy(false); } \
+ classname(const classname & other); \
+ const classname & operator=(const classname & other); \
+ basic * duplicate() const; \
+protected: \
+ void copy(const classname & other); \
+ void destroy(bool call_parent); \
+ int compare_same_type(const basic & other) const; \
private:
-/** Macro for inclusion in the implementation of each registered class. */
+/** Primary macro for inclusion in the implementation of each registered class. */
+#define GINAC_IMPLEMENT_REGISTERED_CLASS_NO_CTORS(classname, supername) \
+ registered_class_info classname::reg_info(#classname, #supername, TINFO_##classname, &classname::unarchive); \
+ const char *classname::class_name(void) const {return reg_info.name;}
+
+/** Macro for inclusion in the implementation of each registered class.
+ * It implements some functions that are the same in all classes derived
+ * from 'basic' (such as the assignment operator). */
#define GINAC_IMPLEMENT_REGISTERED_CLASS(classname, supername) \
- registered_class_info classname::reg_info(#classname, #supername, TINFO_##classname, &classname::unarchive); \
- const char *classname::class_name(void) const {return reg_info.name;}
+ GINAC_IMPLEMENT_REGISTERED_CLASS_NO_CTORS(classname, supername) \
+classname::classname(const classname & other) \
+{ \
+ /*debugmsg(#classname " copy ctor", LOGLEVEL_CONSTRUCT);*/ \
+ copy(other); \
+} \
+const classname & classname::operator=(const classname & other) \
+{ \
+ /*debugmsg(#classname " operator=", LOGLEVEL_ASSIGNMENT);*/ \
+ if (this != &other) { \
+ destroy(true); \
+ copy(other); \
+ } \
+ return *this; \
+} \
+basic * classname::duplicate() const { \
+ /*debugmsg(#classname " duplicate", LOGLEVEL_DUPLICATE);*/ \
+ return new classname(*this); \
+}
/** Find TINFO_* key by class name. */
-extern unsigned int find_tinfo_key(const string &class_name);
+extern unsigned int find_tinfo_key(const std::string &class_name);
/** Find unarchiving function by class name. */
-extern unarch_func find_unarch_func(const string &class_name);
+extern unarch_func find_unarch_func(const std::string &class_name);
-#ifndef NO_NAMESPACE_GINAC
} // namespace GiNaC
-#endif // ndef NO_NAMESPACE_GINAC
#endif // ndef __GINAC_REGISTRAR_H__