public void VisitIdentifier(string identifier, string appName, bool isRaw, bool isNoLog)
{
m_symbolTable.GetId(identifier, appName,
id =>
{
var value = m_context.GetValue(id, isRaw, isNoLog);
m_stack.Push(value);
},
() => m_stack.Push(double.NaN));
}
public void VisitIdentifier(string identifier, string appName, bool isRaw, bool isNoLog)
{
m_symbolTable.GetId(identifier, appName,
id =>
{
m_stack.Push(Expression.Call(Expression.Constant(m_context), m_context.GetType().GetMethod("GetValue"),
new [] { Expression.Constant(id), Expression.Constant(isRaw), Expression.Constant(isNoLog) }));
},
() =>
{
m_stack.Push(Expression.Constant(double.NaN));
});
}
public void VisitIdentifier(string identifier, string appName, bool isRaw, bool isNoLog)
{
m_symbolTable.GetId(identifier, appName,
id =>
{
if (isNoLog)
{
m_nologParameters.Add(id);
}
else
{
m_loggedParameters.Add(id);
}
},
() => throw new Exception($"Unknown identifier {identifier}:{appName}"));
}
public void Build(string virtualParameterName, string formula, int rateInMilliHz, Action <IVirtualChannel <TTime>, bool> built, Action <Exception> failed)
{
try
{
m_symbolTable.GetId(virtualParameterName, string.Empty, virtualParameterId =>
{
var expression = SMExpressionParser.ParseOrThrow(formula);
var visitor = new VirtualChannelBuilderVisitor(m_symbolTable);
expression.Accept(visitor);
if (visitor.IsAlias())
{
built(new AliasVirtualChannel <TTime>(visitor.LoggedParameters.First(), virtualParameterId), false);
}
else if (visitor.IsSlowRow())
{
if (m_slowRowRateInMilliHz != rateInMilliHz)
{
failed(new ArgumentException($"{virtualParameterName} has rate {rateInMilliHz}, but it is slow row"));
}
built(new SlowRowVirtualChannel <TTime>(expression, virtualParameterId, rateInMilliHz, m_symbolTable, m_slowRowStorage, m_timeUtils), true);
}
else if (visitor.LoggedParameters.Count() == 1)
{
built(new SingleLoggedParameterVirtualChannel <TTime>(expression, virtualParameterId, visitor.LoggedParameters.First(),
rateInMilliHz, m_symbolTable, m_slowRowStorage, m_timeUtils), false);
}
else
{
built(new MultiLoggedParametersVirtualChannel <TTime>(expression, virtualParameterId, visitor.LoggedParameters.ToArray(),
rateInMilliHz, m_symbolTable, m_slowRowStorage, m_timeUtils), false);
}
},
() =>
{
failed(new KeyNotFoundException($"Virtual parameter name {virtualParameterName} not found"));
});
}
catch (Exception e)
{
failed(e);
}
}