mention the "dummy()" function option

[ginac.git] / ginac / wildcard.cpp

diff --git a/ginac/wildcard.cpp b/ginac/wildcard.cpp
index 528df593f0bbb5528499a28715fc4f669b053aa9..fa4153f1b5bff0b5fc5009ad1afa5f48c74f597a 100644 (file)
--- a/ginac/wildcard.cpp
+++ b/ginac/wildcard.cpp
@@ -3,7 +3,7 @@
  *  Implementation of GiNaC's wildcard objects. */
 
 /*
- *  GiNaC Copyright (C) 1999-2001 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
@@ -20,52 +20,45 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#include <iostream>
+
 #include "wildcard.h"
-#include "print.h"
 #include "archive.h"
 #include "utils.h"
-#include "debugmsg.h"
 
 namespace GiNaC {
 
-GINAC_IMPLEMENT_REGISTERED_CLASS(wildcard, basic)
+GINAC_IMPLEMENT_REGISTERED_CLASS_OPT(wildcard, basic,
+  print_func<print_context>(&wildcard::do_print).
+  print_func<print_tree>(&wildcard::do_print_tree).
+  print_func<print_python_repr>(&wildcard::do_print_python_repr))
 
 //////////
-// default constructor, destructor, copy constructor assignment operator and helpers
+// default constructor
 //////////
 
-wildcard::wildcard() : label(0)
-{
-       debugmsg("wildcard default constructor", LOGLEVEL_CONSTRUCT);
-       tinfo_key = TINFO_wildcard;
-}
-
-void wildcard::copy(const wildcard & other)
+wildcard::wildcard() : inherited(TINFO_wildcard), label(0)
 {
-       inherited::copy(other);
-       label = other.label;
+       setflag(status_flags::evaluated | status_flags::expanded);
 }
 
-DEFAULT_DESTROY(wildcard)
-
 //////////
 // other constructors
 //////////
 
-wildcard::wildcard(unsigned l) : label(l)
+wildcard::wildcard(unsigned l) : inherited(TINFO_wildcard), label(l)
 {
-       debugmsg("wildcard constructor from unsigned", LOGLEVEL_CONSTRUCT);
-       tinfo_key = TINFO_wildcard;
+       setflag(status_flags::evaluated | status_flags::expanded);
 }
 
 //////////
 // archiving
 //////////
 
-wildcard::wildcard(const archive_node &n, const lst &sym_lst) : inherited(n, sym_lst)
+wildcard::wildcard(const archive_node &n, lst &sym_lst) : inherited(n, sym_lst)
 {
-       debugmsg("wildcard constructor from archive_node", LOGLEVEL_CONSTRUCT);
        n.find_unsigned("label", label);
+       setflag(status_flags::evaluated | status_flags::expanded);
 }
 
 void wildcard::archive(archive_node &n) const
@@ -77,12 +70,12 @@ void wildcard::archive(archive_node &n) const
 DEFAULT_UNARCHIVE(wildcard)
 
 //////////
-// functions overriding virtual functions from bases classes
+// functions overriding virtual functions from base classes
 //////////
 
 int wildcard::compare_same_type(const basic & other) const
 {
-       GINAC_ASSERT(is_of_type(other, wildcard));
+       GINAC_ASSERT(is_a<wildcard>(other));
        const wildcard &o = static_cast<const wildcard &>(other);
 
        if (label == o.label)
@@ -91,19 +84,24 @@ int wildcard::compare_same_type(const basic & other) const
                return label < o.label ? -1 : 1;
 }
 
-void wildcard::print(const print_context & c, unsigned level = 0) const
+void wildcard::do_print(const print_context & c, unsigned level) const
+{
+       c.s << "$" << label;
+}
+
+void wildcard::do_print_tree(const print_tree & c, unsigned level) const
+{
+       c.s << std::string(level, ' ') << class_name() << "(" << label << ")" << " @" << this
+           << std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
+           << std::endl;
+}
+
+void wildcard::do_print_python_repr(const print_python_repr & c, unsigned level) const
 {
-       debugmsg("wildcard print", LOGLEVEL_PRINT);
-
-       if (is_of_type(c, print_tree)) {
-               c.s << std::string(level, ' ') << class_name() << " (" << label << ")"
-                   << std::hex << ", hash=0x" << hashvalue << ", flags=0x" << flags << std::dec
-                   << std::endl;
-       } else
-               c.s << "$" << label;
+       c.s << class_name() << '(' << label << ')';
 }
 
-unsigned wildcard::calchash(void) const
+unsigned wildcard::calchash() const
 {
        // this is where the schoolbook method
        // (golden_ratio_hash(tinfo()) ^ label)
@@ -115,10 +113,10 @@ unsigned wildcard::calchash(void) const
 
 bool wildcard::match(const ex & pattern, lst & repl_lst) const
 {
-       // Wildcards must match exactly (this is required for subs() to work
-       // properly because in the final step it substitutes all wildcards by
-       // their matching expressions)
-       return is_equal(*pattern.bp);
+       // Wildcards must match each other exactly (this is required for
+       // subs() to work properly because in the final step it substitutes
+       // all wildcards by their matching expressions)
+       return is_equal(ex_to<basic>(pattern));
 }
 
 } // namespace GiNaC