/// <summary>
/// Parse from a <see cref="Stream"/>
/// </summary>
/// <param name="stream">The stream</param>
public void Parse(Stream stream)
{
if (Netlist == null)
{
throw new ParseException("No netlist specified");
}
SpiceSharpParser parser = new SpiceSharpParser(stream);
// The order of reading
StatementType[] order = new StatementType[]
{
StatementType.Subcircuit,
StatementType.Control,
StatementType.Model,
StatementType.Component
};
// Parse the netlist and read the statements
StatementsToken main = parser.ParseNetlist(Netlist);
for (int i = 0; i < order.Length; i++)
{
foreach (var s in main.Statements(order[i]))
{
Netlist.Readers.Read(s, Netlist);
}
}
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="name">Name of the subcircuit definition</param>
/// <param name="body">The statements</param>
public SubcircuitDefinition(CircuitIdentifier name, StatementsToken body)
{
Name = name ?? throw new ParseException("Invalid subcircuit identifier");
Body = body ?? throw new ParseException("Invalid subcircuit body");
}
/// <summary>
/// Read subcircuit definitions
/// </summary>
/// <param name="name">Name</param>
/// <param name="parameters">Parameters</param>
/// <param name="netlist">Netlist</param>
/// <returns></returns>
public override bool Read(string type, Statement st, Netlist netlist)
{
if (st.Parameters.Count < 2)
{
throw new ParseException(st.Name, "Subcircuit name expected", false);
}
// Create the identifier of the subcircuit definition
CircuitIdentifier name = new CircuitIdentifier(st.Parameters[0].image);
if (netlist.Path.DefinitionPath != null)
{
name = netlist.Path.DefinitionPath.Grow(name);
}
// Extract the subcircuit definition statements
StatementsToken body = (StatementsToken)st.Parameters[st.Parameters.Count - 1];
SubcircuitDefinition definition = new SubcircuitDefinition(name, body);
// Parse nodes and parameters
bool mode = true; // true = nodes, false = parameters
for (int i = 1; i < st.Parameters.Count - 1; i++)
{
if (mode)
{
// After this, only parameters will follow
if (st.Parameters[i].image.ToLower() == "params:")
{
mode = false;
}
// Parameters have started, so we will keep reading parameters
else if (st.Parameters[i].kind == ASSIGNMENT)
{
mode = false;
AssignmentToken at = st.Parameters[i] as AssignmentToken;
definition.Defaults.Add(new CircuitIdentifier(at.Name.image), at.Value);
}
// Still reading nodes
else if (ReaderExtension.IsNode(st.Parameters[i]))
{
definition.Pins.Add(new CircuitIdentifier(st.Parameters[i].image));
}
}
else if (st.Parameters[i].kind == ASSIGNMENT)
{
AssignmentToken at = st.Parameters[i] as AssignmentToken;
definition.Defaults.Add(new CircuitIdentifier(at.Name.image), at.Value);
}
}
// Create a new subcircuit path
SubcircuitPath orig = netlist.Path;
netlist.Path = new SubcircuitPath(orig, definition);
foreach (var s in definition.Body.Statements(StatementType.Subcircuit))
{
netlist.Readers.Read(s, netlist);
}
// Restore
netlist.Path = orig;
// Return values
netlist.Definitions.Add(definition.Name, definition);
Generated = definition;
return(true);
}
