finalized 1.0.14

[ginac.git] / ginac / registrar.h

diff --git a/ginac/registrar.h b/ginac/registrar.h
index 463328ddd2e4996fe9dfda4e88f1d4af535ef5a7..e620250ec7cc8537896d13db67c57e57bcb0c741 100644 (file)
--- a/ginac/registrar.h
+++ b/ginac/registrar.h
@@ -3,7 +3,7 @@
  *  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) 1999-2003 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
@@ -25,9 +25,7 @@
 
 #include <string>
 
-#ifndef NO_GINAC_NAMESPACE
 namespace GiNaC {
-#endif // ndef NO_GINAC_NAMESPACE
 
 class registered_class_info;
 class ex;
@@ -45,53 +43,81 @@ extern registered_class_info *first_registered_class;
 
 /** 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 declaration 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; \
-\
-       /** This structure stores information about the class. */ \
-    static registered_class_info reg_info; \
-\
-       /** Return pointer to class name. */ \
-    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() { 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) { copy(other); } \
+const classname & classname::operator=(const classname & other) \
+{ \
+       if (this != &other) { \
+               destroy(true); \
+               copy(other); \
+       } \
+       return *this; \
+} \
+basic * classname::duplicate() const { \
+       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_GINAC_NAMESPACE
 } // namespace GiNaC
-#endif // ndef NO_GINAC_NAMESPACE
 
 #endif // ndef __GINAC_REGISTRAR_H__