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ov-typeinfo.cc
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1996-11-07
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/*
Copyright (C) 1996 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__)
#pragma implementation
#endif
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "ov-typeinfo.h"
#include "defun.h"
#include "error.h"
#include "help.h"
#include "oct-obj.h"
const int
octave_value_typeinfo::init_tab_sz (16);
octave_value_typeinfo *
octave_value_typeinfo::instance (0);
#include <Array.cc>
#include <Array2.cc>
#include <Array3.cc>
template class Array<binary_op_fcn>;
template class Array2<binary_op_fcn>;
template class Array3<binary_op_fcn>;
template class Array<assign_op_fcn>;
template class Array2<assign_op_fcn>;
template class Array<type_conv_fcn>;
template class Array2<type_conv_fcn>;
int
octave_value_typeinfo::register_type (const string& name)
{
if (! instance)
instance = new octave_value_typeinfo ();
return instance->do_register_type (name);
}
bool
octave_value_typeinfo::register_binary_op (octave_value::binary_op op,
int t1, int t2,
binary_op_fcn f)
{
if (! instance)
instance = new octave_value_typeinfo ();
return instance->do_register_binary_op (op, t1, t2, f);
}
bool
octave_value_typeinfo::register_assign_op (int t_lhs, int t_rhs,
assign_op_fcn f)
{
if (! instance)
instance = new octave_value_typeinfo ();
return instance->do_register_assign_op (t_lhs, t_rhs, f);
}
bool
octave_value_typeinfo::register_pref_assign_conv (int t_lhs, int t_rhs,
int t_result)
{
if (! instance)
instance = new octave_value_typeinfo ();
return instance->do_register_pref_assign_conv (t_lhs, t_rhs, t_result);
}
bool
octave_value_typeinfo::register_widening_op (int t, int t_result,
type_conv_fcn f)
{
if (! instance)
instance = new octave_value_typeinfo ();
return instance->do_register_widening_op (t, t_result, f);
}
int
octave_value_typeinfo::do_register_type (const string& name)
{
int i = 0;
for (i = 0; i < num_types; i++)
if (name == types (i))
return i;
int len = types.length ();
if (i == len)
{
len *= 2;
types.resize (len, string ());
binary_ops.resize ((int) octave_value::num_binary_ops, len, len,
(binary_op_fcn) 0);
assign_ops.resize (len, len, (assign_op_fcn) 0);
pref_assign_conv.resize (len, len, -1);
widening_ops.resize (len, len, (type_conv_fcn) 0);
}
types (i) = name;
num_types++;
return i;
}
bool
octave_value_typeinfo::do_register_binary_op (octave_value::binary_op op,
int t1, int t2,
binary_op_fcn f)
{
binary_ops.checkelem ((int) op, t1, t2) = f;
return false;
}
bool
octave_value_typeinfo::do_register_assign_op (int t_lhs, int t_rhs,
assign_op_fcn f)
{
assign_ops.checkelem (t_lhs, t_rhs) = f;
return false;
}
bool
octave_value_typeinfo::do_register_pref_assign_conv (int t_lhs, int t_rhs,
int t_result)
{
pref_assign_conv.checkelem (t_lhs, t_rhs) = t_result;
return false;
}
bool
octave_value_typeinfo::do_register_widening_op
(int t, int t_result, type_conv_fcn f)
{
widening_ops.checkelem (t, t_result) = f;
return false;
}
#include <iostream.h>
binary_op_fcn
octave_value_typeinfo::do_lookup_binary_op (octave_value::binary_op op,
int t1, int t2)
{
return binary_ops.checkelem ((int) op, t1, t2);
}
assign_op_fcn
octave_value_typeinfo::do_lookup_assign_op (int t_lhs, int t_rhs)
{
return assign_ops.checkelem (t_lhs, t_rhs);
}
int
octave_value_typeinfo::do_lookup_pref_assign_conv (int t_lhs, int t_rhs)
{
return pref_assign_conv.checkelem (t_lhs, t_rhs);
}
type_conv_fcn
octave_value_typeinfo::do_lookup_widening_op (int t, int t_result)
{
return widening_ops.checkelem (t, t_result);
}
string_vector
octave_value_typeinfo::do_installed_type_names (void)
{
string_vector retval (num_types);
for (int i = 0;i < num_types; i++)
retval (i) = types (i);
return retval;
}
DEFUN (typeinfo, args, ,
"usage: typeinfo ([typename])")
{
octave_value retval;
int nargin = args.length ();
if (nargin == 0)
retval = octave_value_typeinfo::installed_type_names ();
else
print_usage ("typeinfo");
return retval;
}
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/