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#ifndef __ivl_target_priv_H
#define __ivl_target_priv_H
/*
* Copyright (c) 2008 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form 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
*/
# include "ivl_target.h"
# include <inttypes.h>
# include <vector>
# include <ostream>
# include <valarray>
/*
* This header has declarations related to the ivl_target.h API that
* are not to be exported outside of the core via the ivl_target.h
* interface.
*
* (NOTE: A lot of similar definitions exist in the t-dll.h header
* file. That is a legacy from an earlier time before the
* ivl_target_priv.h header file was started, and those definitions
* should gradually be moved over to this header file.)
*/
/*
* This is the root of a design, from the ivl_target point of few. The
* ivl_target API uses this as the root for getting at everything else
* in the design.
*/
struct ivl_design_s {
int time_precision;
ivl_process_t threads_;
ivl_scope_t *roots_;
unsigned nroots_;
// Keep an array of constants objects.
std::valarray<ivl_net_const_t> consts;
// Keep a handy array of all of the disciplines in the design.
std::valarray<ivl_discipline_t> disciplines;
const class Design*self;
};
/*
* A branch is a pair of terminals. The elaborator assures that the
* terminals have compatible disciplines.
*/
struct ivl_branch_s {
ivl_nexus_t pins[2];
ivl_island_t island;
};
/*
* Information about islands. Connected branches within a net are
* collected into islands. Branches that are purely ddiscrete do not
* have disciplines and do not belong to islands.
*/
struct ivl_island_s {
ivl_discipline_t discipline;
// user accessible flags. They are initially false, always.
std::vector<bool> flags;
};
extern std::ostream& operator << (std::ostream&o, ivl_drive_t str);
#endif
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