- revamped indexed objects

[ginac.git] / ginac / structure.cpp

diff --git a/ginac/structure.cpp b/ginac/structure.cpp
index fe3c1c5197aa3c502ed1e02de82e17405ae34e5b..e9c3b0213f45cb9055cbd2f3404604b4325328b7 100644 (file)
--- a/ginac/structure.cpp
+++ b/ginac/structure.cpp
@@ -3,7 +3,7 @@
  *  Implementation of 'abstract' class structure. */
 
 /*
- *  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
@@ -23,46 +23,25 @@
 #include <string>
 
 #include "structure.h"
+#include "archive.h"
 #include "debugmsg.h"
 
-#ifndef NO_NAMESPACE_GINAC
 namespace GiNaC {
-#endif // ndef NO_NAMESPACE_GINAC
+
+GINAC_IMPLEMENT_REGISTERED_CLASS(structure, basic)
 
 //////////
-// default constructor, destructor, copy constructor assignment operator and helpers
+// default ctor, dtor, copy ctor assignment operator and helpers
 //////////
 
 // public
 
 structure::structure()
 {
-       debugmsg("structure default constructor",LOGLEVEL_CONSTRUCT);
+       debugmsg("structure default ctor",LOGLEVEL_CONSTRUCT);
        tinfo_key = TINFO_structure;
 }
 
-structure::~structure()
-{
-       debugmsg("structure destructor",LOGLEVEL_DESTRUCT);
-       destroy(false);
-}
-
-structure::structure(const structure & other)
-{
-       debugmsg("structure copy constructor",LOGLEVEL_CONSTRUCT);
-       copy(other);
-}
-
-const structure & structure::operator=(const structure & other)
-{
-       debugmsg("structure operator=",LOGLEVEL_ASSIGNMENT);
-       if (this != &other) {
-               destroy(true);
-               copy(other);
-       }
-       return *this;
-}
-
 // protected
 
 void structure::copy(const structure & other)
@@ -76,35 +55,51 @@ void structure::destroy(bool call_parent)
 }
 
 //////////
-// other constructors
+// other ctors
 //////////
 
 // none
 
 //////////
-// structures overriding virtual structures from bases classes
+// archiving
 //////////
 
-// public
+/** Construct object from archive_node. */
+structure::structure(const archive_node &n, const lst &sym_lst) : inherited(n, sym_lst)
+{
+       debugmsg("structure ctor from archive_node", LOGLEVEL_CONSTRUCT);
+}
+
+/** Unarchive the object. */
+ex structure::unarchive(const archive_node &n, const lst &sym_lst)
+{
+       return (new structure(n, sym_lst))->setflag(status_flags::dynallocated);
+}
 
-basic * structure::duplicate() const
+/** Archive the object. */
+void structure::archive(archive_node &n) const
 {
-       debugmsg("structure duplicate",LOGLEVEL_DUPLICATE);
-       return new structure(*this);
+       inherited::archive(n);
 }
 
+//////////
+// structures overriding virtual structures from bases classes
+//////////
+
+// public
+
 void structure::printraw(std::ostream & os) const
 {
        debugmsg("structure printraw",LOGLEVEL_PRINT);
 
-       os << "structure(hash=" << hashvalue << ",flags=" << flags << ")";
+       os << class_name() << "(hash=" << hashvalue << ",flags=" << flags << ")";
 }
 
 void structure::print(std::ostream & os, unsigned upper_precedence) const
 {
        debugmsg("structure print",LOGLEVEL_PRINT);
 
-       os << "structure()";
+       os << class_name() << "()";
 }
 
 void structure::printtree(std::ostream & os, unsigned indent) const
@@ -165,19 +160,4 @@ unsigned structure::register_new(const char * nm)
        return registered_structures().size()-1;
 }
 
-//////////
-// static member variables
-//////////
-
-// none
-
-//////////
-// global constants
-//////////
-
-const structure some_structure;
-const type_info & typeid_structure=typeid(some_structure);
-
-#ifndef NO_NAMESPACE_GINAC
 } // namespace GiNaC
-#endif // ndef NO_NAMESPACE_GINAC