mirror of
https://github.com/steveicarus/iverilog.git
synced 2026-09-03 07:43:07 +02:00
Stephen Williams
bcaf7355ca
Remove the #ident and $Log$ strings from all the header files and almost all of the C/C++ source files. I think it is better to get this done all at once, then to wait for each of the files to be touched and edited in unrelated patches.
173 lines
3.3 KiB
C++
173 lines
3.3 KiB
C++
/*
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* Copyright (c) 2000-2002 Stephen Williams ([email protected])
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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# include "config.h"
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# include "netlist.h"
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# include <assert.h>
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NetBlock::NetBlock(Type t, NetScope*ss)
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: type_(t), subscope_(ss), last_(0)
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{
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}
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NetBlock::~NetBlock()
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{
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while (last_ != 0) {
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if (last_->next_ == last_) {
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delete last_;
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last_ = 0;
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} else {
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NetProc*cur = last_->next_;
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last_->next_ = cur->next_;
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cur->next_ = cur;
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delete cur;
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}
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}
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}
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void NetBlock::append(NetProc*cur)
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{
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if (last_ == 0) {
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last_ = cur;
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cur->next_ = cur;
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} else {
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cur->next_ = last_->next_;
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last_->next_ = cur;
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last_ = cur;
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}
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}
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const NetProc* NetBlock::proc_first() const
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{
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if (last_ == 0)
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return 0;
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return last_->next_;
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}
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const NetProc* NetBlock::proc_next(const NetProc*cur) const
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{
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if (cur == last_)
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return 0;
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return cur->next_;
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}
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NetCase::NetCase(NetCase::TYPE c, NetExpr*ex, unsigned cnt)
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: type_(c), expr_(ex), nitems_(cnt)
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{
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assert(expr_);
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items_ = new Item[nitems_];
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for (unsigned idx = 0 ; idx < nitems_ ; idx += 1) {
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items_[idx].statement = 0;
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}
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}
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NetCase::~NetCase()
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{
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delete expr_;
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for (unsigned idx = 0 ; idx < nitems_ ; idx += 1) {
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delete items_[idx].guard;
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if (items_[idx].statement) delete items_[idx].statement;
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}
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delete[]items_;
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}
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NetCase::TYPE NetCase::type() const
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{
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return type_;
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}
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void NetCase::set_case(unsigned idx, NetExpr*e, NetProc*p)
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{
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assert(idx < nitems_);
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items_[idx].guard = e;
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items_[idx].statement = p;
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if (items_[idx].guard)
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items_[idx].guard->set_width(expr_->expr_width());
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}
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NetDisable::NetDisable(NetScope*tgt)
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: target_(tgt)
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{
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}
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NetDisable::~NetDisable()
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{
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}
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const NetScope* NetDisable::target() const
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{
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return target_;
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}
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NetForever::NetForever(NetProc*p)
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: statement_(p)
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{
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}
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NetForever::~NetForever()
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{
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delete statement_;
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}
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NetPDelay::NetPDelay(uint64_t d, NetProc*st)
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: delay_(d), expr_(0), statement_(st)
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{
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}
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NetPDelay::NetPDelay(NetExpr*d, NetProc*st)
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: delay_(0), expr_(d), statement_(st)
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{
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}
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NetPDelay::~NetPDelay()
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{
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if (expr_) delete expr_;
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}
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uint64_t NetPDelay::delay() const
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{
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assert(expr_ == 0);
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return delay_;
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}
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const NetExpr* NetPDelay::expr() const
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{
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return expr_;
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}
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NetRepeat::NetRepeat(NetExpr*e, NetProc*p)
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: expr_(e), statement_(p)
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{
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}
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NetRepeat::~NetRepeat()
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{
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delete expr_;
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delete statement_;
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}
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const NetExpr* NetRepeat::expr() const
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{
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return expr_;
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}
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