139 lines
3.3 KiB
C++
139 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2000 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
|
|
*/
|
|
#ifdef HAVE_CVS_IDENT
|
|
#ident "$Id: Attrib.cc,v 1.6 2004/02/20 18:53:33 steve Exp $"
|
|
#endif
|
|
|
|
# include "config.h"
|
|
|
|
# include "Attrib.h"
|
|
# include <assert.h>
|
|
|
|
Attrib::Attrib()
|
|
{
|
|
nlist_ = 0;
|
|
list_ = 0;
|
|
}
|
|
|
|
Attrib::~Attrib()
|
|
{
|
|
delete[] list_;
|
|
}
|
|
|
|
|
|
const verinum& Attrib::attribute(perm_string key) const
|
|
{
|
|
for (unsigned idx = 0 ; idx < nlist_ ; idx += 1) {
|
|
|
|
if (key == list_[idx].key)
|
|
return list_[idx].val;
|
|
}
|
|
|
|
static const verinum null;
|
|
return null;
|
|
}
|
|
|
|
void Attrib::attribute(perm_string key, const verinum&value)
|
|
{
|
|
unsigned idx;
|
|
|
|
for (idx = 0 ; idx < nlist_ ; idx += 1) {
|
|
if (key == list_[idx].key) {
|
|
list_[idx].val = value;
|
|
return;
|
|
}
|
|
}
|
|
|
|
struct cell_*tmp = new struct cell_[nlist_+1];
|
|
for (idx = 0 ; idx < nlist_ ; idx += 1)
|
|
tmp[idx] = list_[idx];
|
|
|
|
tmp[nlist_].key = key;
|
|
tmp[nlist_].val = value;
|
|
|
|
nlist_ += 1;
|
|
delete[]list_;
|
|
list_ = tmp;
|
|
}
|
|
|
|
bool Attrib::has_compat_attributes(const Attrib&that) const
|
|
{
|
|
unsigned idx;
|
|
|
|
for (idx = 0 ; idx < that.nlist_ ; idx += 1) {
|
|
|
|
verinum tmp = attribute(that.list_[idx].key);
|
|
if (tmp != that.list_[idx].val)
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
unsigned Attrib::attr_cnt() const
|
|
{
|
|
return nlist_;
|
|
}
|
|
|
|
perm_string Attrib::attr_key(unsigned idx) const
|
|
{
|
|
assert(idx < nlist_);
|
|
return list_[idx].key;
|
|
}
|
|
|
|
const verinum& Attrib::attr_value(unsigned idx) const
|
|
{
|
|
assert(idx < nlist_);
|
|
return list_[idx].val;
|
|
}
|
|
|
|
|
|
/*
|
|
* $Log: Attrib.cc,v $
|
|
* Revision 1.6 2004/02/20 18:53:33 steve
|
|
* Addtrbute keys are perm_strings.
|
|
*
|
|
* Revision 1.5 2002/08/12 01:34:58 steve
|
|
* conditional ident string using autoconfig.
|
|
*
|
|
* Revision 1.4 2002/05/26 01:39:02 steve
|
|
* Carry Verilog 2001 attributes with processes,
|
|
* all the way through to the ivl_target API.
|
|
*
|
|
* Divide signal reference counts between rval
|
|
* and lval references.
|
|
*
|
|
* Revision 1.3 2002/05/23 03:08:50 steve
|
|
* Add language support for Verilog-2001 attribute
|
|
* syntax. Hook this support into existing $attribute
|
|
* handling, and add number and void value types.
|
|
*
|
|
* Add to the ivl_target API new functions for access
|
|
* of complex attributes attached to gates.
|
|
*
|
|
* Revision 1.2 2001/07/25 03:10:48 steve
|
|
* Create a config.h.in file to hold all the config
|
|
* junk, and support gcc 3.0. (Stephan Boettcher)
|
|
*
|
|
* Revision 1.1 2000/12/04 17:37:03 steve
|
|
* Add Attrib class for holding NetObj attributes.
|
|
*
|
|
*/
|
|
|