public Variable FindVariable(string varName)
{
varName = varName.ToLower();
Variable v = Variables.ContainsKey(varName) ? Variables[varName] : null;
if (v == null && ParentContext != null)
{
v = ParentContext.FindVariable(varName);
}
if (v != null && Locks.ContainsKey(varName))
{
v.Value = Locks[varName].GetValue();
}
return(v);
}
// Check if this expression term represents a registered variable
private bool TryParseVariable(String text)
{
if (this.Variable != null)
{
Value = this.Variable.Value;
return(true);
}
else
{
bool startsWithAtSign = text.StartsWith("@");
Variable variable = executionContext.FindVariable(startsWithAtSign ? text.Substring(1) : text);
if (variable != null)
{
IsStatic = startsWithAtSign;
Value = variable.Value;
Variable = variable;
return(true);
}
return(false);
}
}