diff src/ov-builtin.h @ 2974:ebbc34ff7f66

[project @ 1997-05-15 19:36:16 by jwe]
author jwe
date Thu, 15 May 1997 19:42:59 +0000
parents
children 30770ba4457a
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ov-builtin.h	Thu May 15 19:42:59 1997 +0000
@@ -0,0 +1,97 @@
+/*
+
+Copyright (C) 1996, 1997 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#if !defined (octave_builtin_h)
+#define octave_builtin_h 1
+
+#if defined (__GNUG__)
+#pragma interface
+#endif
+
+#include <string>
+
+#include "ov-fcn.h"
+#include "ov-typeinfo.h"
+
+class octave_value;
+class octave_value_list;
+
+// Builtin functions.
+
+class
+octave_builtin : public octave_function
+{
+public:
+
+  typedef octave_value_list (*fcn) (const octave_value_list&, int);
+
+  octave_builtin (fcn ff, const string& nm = string (),
+		  const string& ds = string ())
+    : octave_function (nm, ds), f (ff) { }
+
+  ~octave_builtin (void) { }
+
+  void *operator new (size_t size)
+    { return allocator.alloc (size); }
+
+  void operator delete (void *p, size_t size)
+    { allocator.free (p, size); }
+
+  octave_function *function_value (bool) { return this; }
+
+  octave_value_list do_index_op (int nargout, const octave_value_list& args);
+
+  int type_id (void) const { return t_id; }
+
+  string type_name (void) const { return t_name; }
+
+  static int static_type_id (void) { return t_id; }
+
+  static void register_type (void)
+    { t_id = octave_value_typeinfo::register_type (t_name); }
+
+private:
+
+  octave_builtin (void);
+
+  octave_builtin (const octave_builtin& m);
+
+  // A pointer to the actual function.
+  fcn f;
+
+  // For custom memory management.
+  static octave_allocator allocator;
+
+  // Type id of list objects, set by register_type().
+  static int t_id;
+
+  // Type name of list objects, defined in ov-list.cc.
+  static const string t_name;
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/