X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=ginac%2Fregistrar.h;h=bd4ddb03ad7375775494cc698e207c601a094fcd;hp=33e54de5568119008544097c1561d07072343682;hb=982f603551fad1a9d1242b5523334e4d5831fb9e;hpb=613ced9c74ce14644a926868bb02dec27af2321c

diff --git a/ginac/registrar.h b/ginac/registrar.h
index 33e54de5..bd4ddb03 100644
--- 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) 1999-2003 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2006 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
@@ -17,7 +17,7 @@
  *
  *  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_REGISTRAR_H__
@@ -35,9 +35,12 @@ namespace GiNaC {
 class ex;
 class archive_node;
 
-template <template <class> class> class container;
+template <template <class T, class = std::allocator<T> > class> class container;
 typedef container<std::list> lst;
 
+/** Definitions for the tinfo mechanism. */
+typedef const void * tinfo_t;
+struct tinfo_static_t {};
 
 /** Unarchiving function (static member function of every GiNaC class). */
 typedef ex (*unarch_func)(const archive_node &n, lst &sym_lst);
@@ -46,12 +49,12 @@ typedef ex (*unarch_func)(const archive_node &n, lst &sym_lst);
 /** 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)
+	registered_class_options(const char *n, const char *p, tinfo_t 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; }
+	tinfo_t 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; }
 
@@ -76,7 +79,6 @@ public:
 		return *this;
 	}
 
-private:
 	void set_print_func(unsigned id, const print_functor & f)
 	{
 		if (id >= print_dispatch_table.size())
@@ -84,9 +86,10 @@ private:
 		print_dispatch_table[id] = f;
 	}
 
+private:
 	const char *name;         /**< Class name. */
 	const char *parent_name;  /**< Name of superclass. */
-	unsigned tinfo_key;       /**< TINFO_* key. */
+	tinfo_t tinfo_key;        /**< Type information key. */
 	unarch_func unarchive;    /**< Pointer to unarchiving function. */
 	std::vector<print_functor> print_dispatch_table; /**< Method table for print() dispatch */
 };
@@ -98,11 +101,13 @@ typedef class_info<registered_class_options> registered_class_info;
 #define GINAC_DECLARE_REGISTERED_CLASS_NO_CTORS(classname, supername) \
 public: \
 	typedef supername inherited; \
+    static const GiNaC::tinfo_static_t tinfo_static; \
 private: \
 	static GiNaC::registered_class_info reg_info; \
 public: \
-	static const GiNaC::registered_class_info &get_class_info_static() { return reg_info; } \
+	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); \
@@ -112,6 +117,7 @@ public: \
 	class visitor { \
 	public: \
 		virtual void visit(const classname &) = 0; \
+		virtual ~visitor() {}; \
 	};
 
 /** Macro for inclusion in the declaration of each registered class.
@@ -135,23 +141,47 @@ protected: \
 	virtual int compare_same_type(const GiNaC::basic & other) const; \
 private:
 
+
 /** Macro for inclusion in the implementation of each registered class. */
 #define GINAC_IMPLEMENT_REGISTERED_CLASS(classname, supername) \
-	GiNaC::registered_class_info classname::reg_info = GiNaC::registered_class_info(GiNaC::registered_class_options(#classname, #supername, TINFO_##classname, &classname::unarchive));
+	GiNaC::registered_class_info classname::reg_info = GiNaC::registered_class_info(GiNaC::registered_class_options(#classname, #supername, &classname::tinfo_static, &classname::unarchive)); \
+	const GiNaC::tinfo_static_t classname::tinfo_static = {};
 
 /** 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);
+	GiNaC::registered_class_info classname::reg_info = GiNaC::registered_class_info(GiNaC::registered_class_options(#classname, #supername, &classname::tinfo_static, &classname::unarchive).options); \
+	const GiNaC::tinfo_static_t classname::tinfo_static = {};
 
+/** Macro for inclusion in the implementation of each registered class.
+ *  Additional options can be specified. */
+#define GINAC_IMPLEMENT_REGISTERED_CLASS_OPT_T(classname, supername, options) \
+	GiNaC::registered_class_info classname::reg_info = GiNaC::registered_class_info(GiNaC::registered_class_options(#classname, #supername, &classname::tinfo_static, &classname::unarchive).options); \
+	template<> const GiNaC::tinfo_static_t classname::tinfo_static = {};
 
-/** Find TINFO_* key by class name. */
-extern unsigned find_tinfo_key(const std::string &class_name);
+
+/** Find type information key by class name. */
+extern tinfo_t 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);
 
 
+/** 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__