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/*$Id: u_parameter.cc,v 26.119 2009/09/09 13:27:53 al Exp $ -*- C++ -*-
* Copyright (C) 2005 Albert Davis
* Author: Albert Davis <aldavis@gnu.org>
*
* This file is part of "Gnucap", the Gnu Circuit Analysis Package
*
* 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 3, 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., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*------------------------------------------------------------------
* A class for parameterized values
* Used for .param statements
* and passing arguments to models and subcircuits
*/
//testing=script,sparse 2006.07.14
#include "l_stlextra.h"
#include "u_parameter.h"
#include "u_lang.h"
/*--------------------------------------------------------------------------*/
void PARAM_LIST::parse(CS& cmd)
{
(cmd >> "real |integer "); // ignore type
size_t here = cmd.cursor();
for (;;) {
if (!(cmd.more() && (cmd.is_alpha() || cmd.match1('_')))) {
break;
}else{
}
std::string Name;
PARAMETER<double> Value;
cmd >> Name >> '=' >> Value;
if (cmd.stuck(&here)) {untested();
break;
}else{
}
if (OPT::case_insensitive) {
notstd::to_lower(&Name);
}else{
}
_pl[Name] = Value;
}
cmd.check(bDANGER, "syntax error");
}
/*--------------------------------------------------------------------------*/
void PARAM_LIST::print(OMSTREAM& o, LANGUAGE* lang)const
{
for (const_iterator i = _pl.begin(); i != _pl.end(); ++i) {
if (i->second.has_hard_value()) {
print_pair(o, lang, i->first, i->second);
}else{
}
}
}
/*--------------------------------------------------------------------------*/
bool PARAM_LIST::is_printable(int i)const
{
//BUG// ugly linear search
int i_try = 0;
for (const_iterator ii = _pl.begin(); ii != _pl.end(); ++ii) {
if (i_try++ == i) {
return ii->second.has_hard_value();
}else{
}
}
return false;
}
/*--------------------------------------------------------------------------*/
std::string PARAM_LIST::name(int i)const
{
//BUG// ugly linear search
int i_try = 0;
for (const_iterator ii = _pl.begin(); ii != _pl.end(); ++ii) {
if (i_try++ == i) {
return ii->first;
}else{
}
}
return "";
}
/*--------------------------------------------------------------------------*/
std::string PARAM_LIST::value(int i)const
{
//BUG// ugly linear search
int i_try = 0;
for (const_iterator ii = _pl.begin(); ii != _pl.end(); ++ii) {
if (i_try++ == i) {
return ii->second.string();
}else{
}
}
return "";
}
/*--------------------------------------------------------------------------*/
void PARAM_LIST::eval_copy(PARAM_LIST const& p, const CARD_LIST* scope)
{
assert(!_try_again);
_try_again = p._try_again;
for (const_iterator i = p._pl.begin(); i != p._pl.end(); ++i) {
if (i->second.has_hard_value()) {
auto j = _pl.find(i->first);
if(j == _pl.end()){
// spice feature: create parameters from arglist
// should not get here in verilog mode
_pl[i->first] = i->second.e_val(NOT_INPUT, scope);
}else if(j->second.has_hard_value()) {untested();
j->second = i->second.e_val(j->second, scope);
}else{
// this is not needed.
}
}else{
}
}
}
/*--------------------------------------------------------------------------*/
const PARAMETER<double>& PARAM_LIST::deep_lookup(std::string Name)const
{
if (OPT::case_insensitive) {
notstd::to_lower(&Name);
}else{
}
const_iterator i = _pl.find(Name);
if (i!=_pl.end() && i->second.has_hard_value()) {
// found a value, return it
return i->second;
}else if (_try_again) {
// didn't find one, look in enclosing scope
return _try_again->deep_lookup(Name);
}else{
// no enclosing scope to look in
// really didn't find it, give up
// return garbage value (NOT_INPUT)
static PARAMETER<double> garbage;
return garbage;
}
}
/*--------------------------------------------------------------------------*/
void PARAM_LIST::set(std::string Name, const double& Value)
{
if (OPT::case_insensitive) {
notstd::to_lower(&Name);
}else{
}
_pl[Name] = Value;
}
/*--------------------------------------------------------------------------*/
void PARAM_LIST::set(std::string Name, const std::string& Value)
{
if (OPT::case_insensitive) {
notstd::to_lower(&Name);
}else{
}
_pl[Name] = Value;
}
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
bool Get(CS& cmd, const std::string& key, PARAMETER<bool>* val)
{
if (cmd.umatch(key + ' ')) {
if (cmd.skip1b('=')) {
cmd >> *val;
}else{
*val = true;
}
return true;
}else if (cmd.umatch("no" + key)) {
*val = false;
return true;
}else{
return false;
}
}
/*--------------------------------------------------------------------------*/
bool Get(CS& cmd, const std::string& key, PARAMETER<int>* val)
{
if (cmd.umatch(key + " {=}")) {
*val = int(cmd.ctof());
return true;
}else{
return false;
}
}
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
// vim:ts=8:sw=2:noet:
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