diff src/pt-fcn-handle.h @ 4343:db5e0814277a

[project @ 2003-02-20 16:44:16 by jwe]
author jwe
date Thu, 20 Feb 2003 16:46:37 +0000
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+/*
+
+Copyright (C) 2003 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_tree_fcn_handle_h)
+#define octave_fcn_handle_h 1
+
+#if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION)
+#pragma interface
+#endif
+
+#include <iostream>
+#include <string>
+
+#include "pt-bp.h"
+#include "pt-exp.h"
+
+class octave_value_list;
+
+class tree_walker;
+
+#include "ov.h"
+
+class
+tree_fcn_handle : public tree_expression
+{
+public:
+
+  tree_fcn_handle (int l = -1, int c = -1)
+    : tree_expression (l, c), nm () { }
+
+  tree_fcn_handle (const std::string& n, int l = -1, int c = -1)
+    : tree_expression (l, c), nm (n) { }
+
+  ~tree_fcn_handle (void) { }
+
+  bool has_magic_end (void) const { return false; }
+
+  void print (std::ostream& os, bool pr_as_read_syntax = false,
+	      bool pr_orig_txt = true);
+
+  void print_raw (std::ostream& os, bool pr_as_read_syntax = false,
+		  bool pr_orig_txt = true);
+
+  bool rvalue_ok (void) const { return true; }
+
+  octave_value rvalue (void);
+
+  octave_value_list rvalue (int nargout);
+
+  void accept (tree_walker& tw);
+
+private:
+
+  // The name of this function handle.
+  std::string nm;
+
+  // No copying!
+
+  tree_fcn_handle (const tree_fcn_handle&);
+
+  tree_fcn_handle& operator = (const tree_fcn_handle&);
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/