#   This is a component of LinuxCNC
#   Copyright 2014 Andy Pugh <andy@bodgesoc.org>, Chris Radek
#   <chris@timeguy.com>
#
#   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
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program 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 this program; if not, write to the Free Software
#   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from stdglue import *

# Extract the T number into a parameter, but don't try anything else clever

def get_T_number(self,**words):
    try:
        cblock = self.blocks[self.remap_level]
        if not cblock.t_flag:
            self.set_errormsg("T requires a tool number")
            return INTERP_ERROR
        self.params["tool"] = cblock.t_number
        return INTERP_OK
    except Exception as e:
        self.set_errormsg("T%d/prepare_prolog: %s" % (int(words['t']), e))
        return INTERP_ERROR