public static IDictionary <string, NestedScope> BuildHeirarchy(IEnumerable <string> packageNames, IErrorCache errorCache, IDictionary <string, NestedScope> existing = null)
{
var orderedPairs = packageNames
.Distinct(StringComparer.OrdinalIgnoreCase)
.Where(name => existing == null || !existing.ContainsKey(name))
.Select(Parse)
.OrderBy(t => t.Item1.Length);
var dict = existing ?? new Dictionary <string, NestedScope>(StringComparer.OrdinalIgnoreCase);
foreach (var pair in orderedPairs)
{
NestedScope parent = null;
if (pair.Item1 != "" && !dict.TryGetValue(pair.Item1, out parent))
{
errorCache.AddError($"Could not locate parent '{pair.Item1}' when building heirarchy.");
}
var scope = new NestedScope(parent)
{
Name = pair.Item2
};
dict.Add(pair.Item2, scope);
}
return(dict);
}
public NestedScope(NestedScope parent = null)
{
Parent = parent;
Children = new List <NestedScope>();
Aspects = new Dictionary <Type, INestedAspect>();
parent?.Children.Add(this);
}
// TODO - Need to test these methods
private NestedScope Clone(NestedScope parent)
{
var clone = new NestedScope(parent)
{
Name = Name
};
foreach (var pair in Aspects)
{
var aspectClone = pair.Value.Clone();
aspectClone.Scope = clone;
clone.Aspects.Add(pair.Key, aspectClone);
}
return(clone);
}
public static bool TryFindVariable(this NestedScope scope, string fullName, out Variable result)
{
return(scope.GetAspect <VariableSet>().TryFind(fullName, out result));
}
public static VariableInfo FirstVarOfName(this NestedScope scope, string variableName, IErrorCache errorCache)
{
return(scope.GetAspect <VariableSet>().FirstVarOfName(variableName, errorCache));
}
public static Variable FindVariable(this NestedScope scope, string fullName)
{
return(scope.GetAspect <VariableSet>().Find(fullName));
}
public static bool TryFindVariable(this NestedScope scope, VariableRef refName, out Variable result)
{
return(scope.GetAspect <VariableSet>().TryFind(refName, out result));
}
public static Variable FindVariable(this NestedScope scope, VariableRef refName)
{
return(scope.GetAspect <VariableSet>().Find(refName));
}
public static IEnumerable <Variable> Variables(this NestedScope scope, bool recurse = true)
{
return(!recurse
? scope.GetAspect <VariableSet>()
: scope.Flatten().SelectMany(s => s.GetAspect <VariableSet>()));
}
public static NestedScope Store(this NestedScope scope, Variable variable)
{
scope.GetAspect <VariableSet>().Store(variable);
return(scope);
}