/// <summary>
/// Push a spice property on the value stack.
/// </summary>
/// <param name="property">The Spice property.</param>
protected override void PushSpiceProperty(SpiceProperty property)
{
var args = new ExpressionTreeSpicePropertyEventArgs(property);
SpicePropertyFound?.Invoke(this, args);
if (args.Result == null)
{
throw new ParserException("Unrecognized Spice property '{0}'".FormatString(property), Input, Index);
}
_stack.Push(args.Result);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="property">The property.</param>
public SimpleDerivativePropertyEventArgs(SpiceProperty property)
: base(property)
{
Result = null;
}
/// <summary>
/// Parse a value.
/// </summary>
/// <returns>
/// <c>true</c> if a value was parsed; otherwise, <c>false</c>.
/// </returns>
protected override bool ParseValue()
{
// Try to find a number
if (ParseDouble(out var value))
{
PushValue(value);
return(true);
}
SpiceProperty args;
string arg;
switch (Input[Index])
{
case 'v':
case 'V':
if (NextChar() == '(')
{
string id = Input[Index].ToString();
Index += 2;
arg = NextUntil(')');
var properties = arg.Split(',');
if (TrimNames)
{
for (var i = 0; i < properties.Length; i++)
{
properties[i] = properties[i].Trim();
}
}
args = new SpiceProperty(id, properties);
Index += arg.Length + 1;
PushSpiceProperty(args);
return(true);
}
break;
case 'i':
case 'I':
if (NextChar() == '(')
{
string id = Input[Index].ToString();
Index += 2;
arg = NextUntil(')');
Index += arg.Length + 1;
var properties = arg.Split(',');
if (TrimNames)
{
for (var i = 0; i < properties.Length; i++)
{
properties[i] = properties[i].Trim();
}
}
args = new SpiceProperty(id, properties);
PushSpiceProperty(args);
return(true);
}
break;
case '@':
Index++;
var name = NextUntil('[');
Index += name.Length + 1;
arg = NextUntil(']');
Index += arg.Length + 1;
if (TrimNames)
{
name = name.Trim();
arg = arg.Trim();
}
args = new SpiceProperty("@", name, arg);
PushSpiceProperty(args);
return(true);
}
// Try parsing variables or Spice properties
if (base.ParseValue())
{
return(true);
}
return(false);
}
/// <summary> /// Push a spice property on the value stack. /// </summary> /// <param name="property">The Spice property.</param> protected abstract void PushSpiceProperty(SpiceProperty property);
/// <summary>
/// Initializes a new instance of the <see cref="ExpressionTreeSpicePropertyEventArgs"/>.
/// </summary>
/// <param name="property"></param>
public ExpressionTreeSpicePropertyEventArgs(SpiceProperty property)
: base(property)
{
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="property">The property.</param>
public ExpressionTreeDerivativePropertyEventArgs(SpiceProperty property)
: base(property)
{
Result = null;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="property">The Spice property.</param>
public SpicePropertyFoundEventArgs(SpiceProperty property)
{
Property = property.ThrowIfNull(nameof(property));
}
