/// <summary>
/// Read a transistor model
/// </summary>
/// <param name="type">Type</param>
/// <param name="st">Statement</param>
/// <param name="netlist">Netlist</param>
/// <returns></returns>
public override bool Read(string type, Statement st, Netlist netlist)
{
// Errors
switch (st.Parameters.Count)
{
case 0: throw new ParseException(st.Name, "Model name and type expected", false);
}
// The model depends on the model level, find the model statement
int level = 0; string version = null;
int lindex = -1, vindex = -1;
for (int i = 0; i < st.Parameters.Count; i++)
{
if (st.Parameters[i].kind == ASSIGNMENT)
{
AssignmentToken at = st.Parameters[i] as AssignmentToken;
if (at.Name.image.ToLower() == "level")
{
lindex = i;
level = (int)Math.Round(netlist.ParseDouble(at.Value));
}
if (at.Name.image.ToLower() == "version")
{
vindex = i;
version = at.Value.image.ToLower();
}
if (vindex >= 0 && lindex >= 0)
{
break;
}
}
}
if (lindex >= 0)
{
st.Parameters.RemoveAt(lindex);
}
if (vindex >= 0)
{
st.Parameters.RemoveAt(vindex < lindex ? vindex : vindex - 1);
}
// Generate the model
ICircuitObject model = null;
if (Levels.ContainsKey(level))
{
model = Levels[level].Invoke(new CircuitIdentifier(st.Name.image), type, version);
}
else
{
throw new ParseException(st.Name, $"Unknown mosfet model level {level}");
}
// Read all the parameters
netlist.ReadParameters((IParameterized)model, st.Parameters);
// Output
netlist.Circuit.Objects.Add(model);
Generated = model;
return(true);
}
/// <summary>
/// Read
/// </summary>
/// <param name="type">Type</param>
/// <param name="st">Statement</param>
/// <param name="netlist">Netlist</param>
/// <returns></returns>
public override bool Read(string type, Statement st, Netlist netlist)
{
// Initialize
List <CircuitIdentifier> instancepins = new List <CircuitIdentifier>();
Dictionary <CircuitIdentifier, Token> instanceparameters = new Dictionary <CircuitIdentifier, Token>();
CircuitIdentifier definition = null;
// Get the name
CircuitIdentifier name;
if (netlist.Path.InstancePath != null)
{
name = netlist.Path.InstancePath.Grow(st.Name.image);
}
else
{
name = new CircuitIdentifier(st.Name.image);
}
// Format: <NAME> <NODES>* <SUBCKT> <PAR1>=<VAL1> ...
// Or: <NAME> <NODES>* <SUBCKT> params: <PAR1>=<VAL1> ...
bool mode = true; // true = nodes, false = parameters
for (int i = 0; i < st.Parameters.Count; i++)
{
// Reading nodes
if (mode)
{
if (ReaderExtension.IsNode(st.Parameters[i]))
{
instancepins.Add(definition = new CircuitIdentifier(st.Parameters[i].image));
}
else
{
instancepins.RemoveAt(instancepins.Count - 1);
mode = false;
}
}
// Reading parameters
// Don't use ELSE! We still need to read the last parameter
if (!mode)
{
if (st.Parameters[i].kind == ASSIGNMENT)
{
AssignmentToken at = st.Parameters[i] as AssignmentToken;
switch (at.Name.kind)
{
case WORD:
case IDENTIFIER:
instanceparameters.Add(new CircuitIdentifier(at.Name.image), at.Value);
break;
default:
throw new ParseException(at.Name, "Parameter name expected");
}
}
}
}
// If there are only node-like tokens, then the last one is the definition by default
if (mode)
{
instancepins.RemoveAt(instancepins.Count - 1);
}
// Modify the instancepins to be local or use the nodemap
for (int i = 0; i < instancepins.Count; i++)
{
if (netlist.Path.NodeMap.TryGetValue(instancepins[i], out CircuitIdentifier node))
{
instancepins[i] = node;
}
else if (netlist.Path.InstancePath != null)
{
instancepins[i] = netlist.Path.InstancePath.Grow(instancepins[i].Name);
}
}
// Find the subcircuit definition
if (netlist.Path.DefinitionPath != null)
{
definition = netlist.Path.DefinitionPath.Grow(definition);
}
SubcircuitDefinition subcktdef = netlist.Path.FindDefinition(netlist.Definitions, definition) ??
throw new ParseException(st.Parameters[st.Parameters.Count - 1], "Cannot find subcircuit definition");
Subcircuit subckt = new Subcircuit(subcktdef, name, instancepins, instanceparameters);
SubcircuitPath orig = netlist.Path;
netlist.Path = new SubcircuitPath(netlist, orig, subckt);
// Read all control statements
foreach (var s in subcktdef.Body.Statements(StatementType.Control))
{
netlist.Readers.Read(s, netlist);
}
// Read all model statements
foreach (var s in subcktdef.Body.Statements(StatementType.Model))
{
netlist.Readers.Read(s, netlist);
}
// Read all component statements
foreach (var s in subcktdef.Body.Statements(StatementType.Component))
{
netlist.Readers.Read(s, netlist);
}
// Restore
netlist.Path = orig;
Generated = subckt;
return(true);
}
