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/********************************************************************
* Description: modal_state.hh
*
* State storage class for interpreter
*
* Copyright © 2014 Robert W. Ellenberg
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
********************************************************************/
#ifndef MODAL_STATE_HH
#define MODAL_STATE_HH
#include <vector>
#include <bitset>
// Bring in C struct for a state tag from motion
extern "C" {
#include "state_tag.h"
}
/**
* C++ version of state_tag_t structure to stuff interp state info in
* a motion message. Previously, this information was stored only in
* the interpreter, and as vectors of g codes, m codes, and
* settings. Considering that the write_XXX and gen_XXX functions had
* to jump through hoops to translate from a settings struct, the
* extra packing here isn't much more complex to deal with, and will
* cost much less space in an NML message.
*
* Using this class means we can work with a bitset instead of raw
* bitmasking operations. Also, because we're inheriting from the C
* struct, copy / assignment is valid.
*/
struct StateTag : public state_tag_t {
StateTag();
StateTag(state_tag_t const &basetag);
std::bitset<64> flags;
int is_valid(void) const;
state_tag_t get_state_tag() const;
};
#endif
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