Mercurial > octave
diff src/pt-fcn-handle.cc @ 4343:db5e0814277a
[project @ 2003-02-20 16:44:16 by jwe]
author | jwe |
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date | Thu, 20 Feb 2003 16:46:37 +0000 |
parents | |
children | e35b034d3523 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/pt-fcn-handle.cc Thu Feb 20 16:46:37 2003 +0000 @@ -0,0 +1,86 @@ +/* + +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 (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) +#pragma implementation +#endif + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <iostream> + +#include "error.h" +#include "oct-obj.h" +#include "ov-fcn-handle.h" +#include "pt-fcn-handle.h" +#include "pager.h" +#include "pt-walk.h" + +void +tree_fcn_handle::print (std::ostream& os, bool pr_as_read_syntax, + bool pr_orig_text) +{ + print_raw (os, pr_as_read_syntax, pr_orig_text); +} + +void +tree_fcn_handle::print_raw (std::ostream& os, bool pr_as_read_syntax, + bool pr_orig_text) +{ + os << ((pr_as_read_syntax || pr_orig_text) ? "@" : "") << nm; +} + +octave_value +tree_fcn_handle::rvalue (void) +{ + MAYBE_DO_BREAKPOINT; + + return make_fcn_handle (nm); +} + + +octave_value_list +tree_fcn_handle::rvalue (int nargout) +{ + octave_value_list retval; + + if (nargout > 1) + error ("invalid number of output arguments for function handle expression"); + else + retval = rvalue (); + + return retval; +} + +void +tree_fcn_handle::accept (tree_walker& tw) +{ + tw.visit_fcn_handle (*this); +} + +/* +;;; Local Variables: *** +;;; mode: C++ *** +;;; End: *** +*/