/// <summary>
/// Получение элемента семантического дерева по его смещению
/// </summary>
/// <param name="parent"></param>
/// <param name="offset"></param>
/// <returns></returns>
public VhdlElement GetElementByOffset(VhdlElement parent, int offset)
{
if ((parent == null) || (file == null))
{
return(null);
}
if (((parent is IDeclarativeRegion) == false) && ((parent is SequentialStatement) == false))
{
return(parent);
}
if (parent is IDeclarativeRegion)
{
IDeclarativeRegion decl = parent as IDeclarativeRegion;
List <object> objects = decl.Scope.GetLocalListOfObjects();
if (objects.Count >= 1)
{
foreach (object obj in objects)
{
if (parent == obj)
{
continue;
}
if (obj is VhdlElement)
{
PositionInformation pos = GetPositionInformation(obj as VhdlElement);
if ((pos != null) && (pos.Begin.Index <= offset) && (pos.End.Index >= offset))
{
(obj as VhdlElement).Parent = (parent as IDeclarativeRegion);
return(GetElementByOffset(obj as VhdlElement, offset));
}
if (pos == null)
{
(obj as VhdlElement).Parent = (parent as IDeclarativeRegion);
return(obj as VhdlElement);
}
}
}
}
}
if (parent is SequentialStatement)
{
SequentialStatement stat = parent as SequentialStatement;
List <VhdlElement> objects = stat.GetAllStatements();
if (objects.Count >= 1)
{
foreach (VhdlElement obj in objects)
{
if (parent == obj)
{
continue;
}
if (obj == null)
{
continue;
}
PositionInformation pos = GetPositionInformation(obj as VhdlElement);
if ((pos != null) && (pos.Begin.Index <= offset) && (pos.End.Index >= offset))
{
(obj as VhdlElement).Parent = ((parent as SequentialStatement).Parent);
return(GetElementByOffset(obj as VhdlElement, offset));
}
if (pos == null)
{
(obj as VhdlElement).Parent = (parent as IDeclarativeRegion);
return(obj as VhdlElement);
}
}
}
}
return(parent);
}
public ExpressionInference(IDeclarativeRegion scope, TypeInference baseInfer)
{
this.baseInfer = baseInfer;
this.scope = scope;
}
private List <T> resolveAll <T>(IDeclarativeRegion scope) where T : class
{
return(ObjectSearcher.SearchAll <T>(scope, parts).Distinct().ToList());
}
private T resolve <T>(IDeclarativeRegion scope) where T : class
{
return(ObjectSearcher.Search <T>(scope, parts));
}
public NameInference(IDeclarativeRegion scope, TypeInference baseInfer)
{
this.inferer = baseInfer;
this.scope = scope;
}
public static Out Search <Out>([NotNull] IDeclarativeRegion scope, List <Part> parts) where Out : class
{
return(Search <Out>(scope, parts, o => true));
}
