94 lines
2.8 KiB
C++
94 lines
2.8 KiB
C++
#ifndef IVL_ivl_target_priv_H
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#define IVL_ivl_target_priv_H
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/*
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* Copyright (c) 2008-2017 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include "ivl_target.h"
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# include <inttypes.h>
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# include <map>
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# include <vector>
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# include <ostream>
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# include <valarray>
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class NetScope;
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/*
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* This header has declarations related to the ivl_target.h API that
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* are not to be exported outside of the core via the ivl_target.h
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* interface.
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*
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* (NOTE: A lot of similar definitions exist in the t-dll.h header
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* file. That is a legacy from an earlier time before the
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* ivl_target_priv.h header file was started, and those definitions
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* should gradually be moved over to this header file.)
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*/
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/*
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* This is the root of a design, from the ivl_target point of few. The
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* ivl_target API uses this as the root for getting at everything else
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* in the design.
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*/
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struct ivl_design_s {
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int time_precision;
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ivl_process_t threads_;
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// Keep arrays of root scopes.
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std::map<const NetScope*,ivl_scope_t> classes;
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std::vector<ivl_scope_t> packages;
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std::vector<ivl_scope_t> roots;
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// This is used to implement the ivl_design_roots function.
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std::vector<ivl_scope_t> root_scope_list;
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// Keep an array of constants objects.
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std::vector<ivl_net_const_t> consts;
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// Keep a handy array of all of the disciplines in the design.
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std::valarray<ivl_discipline_t> disciplines;
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const class Design*self;
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};
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/*
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* A branch is a pair of terminals. The elaborator assures that the
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* terminals have compatible disciplines.
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*/
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struct ivl_branch_s {
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ivl_nexus_t pins[2];
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ivl_island_t island;
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};
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/*
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* Information about islands. Connected branches within a net are
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* collected into islands. Branches that are purely ddiscrete do not
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* have disciplines and do not belong to islands.
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*/
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struct ivl_island_s {
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ivl_discipline_t discipline;
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// user accessible flags. They are initially false, always.
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std::vector<bool> flags;
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};
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extern std::ostream& operator << (std::ostream&o, ivl_drive_t str);
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#endif /* IVL_ivl_target_priv_H */
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