public override bool Walk(DottedName node)
{
if (base.Walk(node))
{
string totalName = null;
foreach (var n in node.Names.MaybeEnumerate())
{
if (n?.Name == null)
{
break;
}
if (Location >= n.StartIndex && Location <= n.EndIndex)
{
if (totalName == null)
{
Expression = n;
}
else
{
Expression = new NameExpression(totalName + n.Name);
Expression.SetLoc(node.StartIndex, n.EndIndex);
}
break;
}
totalName = (totalName ?? "") + n.Name + ".";
}
}
return(false);
}
public override bool Walk(MemberExpression node)
{
if (Save(node, base.Walk(node), _options.Members && Location >= node.NameHeader))
{
if (_options.MemberName && Location >= node.NameHeader)
{
var nameNode = new NameExpression(node.Name);
nameNode.SetLoc(node.NameHeader, node.EndIndex);
Expression = nameNode;
}
return(true);
}
return(false);
}
public override bool Walk(MemberExpression node)
{
if (base.Walk(node))
{
if (_options.MemberName && Location > node.DotIndex && _endLocation <= node.EndIndex)
{
var nameNode = new NameExpression(node.Name);
nameNode.SetLoc(node.NameHeader, node.EndIndex);
Expression = nameNode;
return(false);
}
else if (_options.Members)
{
Expression = node;
}
return(true);
}
return(false);
}
private IEnumerable <CompletionItem> GetCompletionsFromMembers(ref GetMemberOptions opts)
{
if (Node is MemberExpression me && me.Target != null && me.DotIndex > me.StartIndex && Index > me.DotIndex)
{
_log.TraceMessage($"Completing expression {me.Target.ToCodeString(Tree, CodeFormattingOptions.Traditional)}");
ParentExpression = me.Target;
if (!string.IsNullOrEmpty(me.Name))
{
Node = new NameExpression(me.Name);
Node.SetLoc(me.NameHeader, me.NameHeader + me.Name.Length);
}
else
{
Node = null;
}
ShouldCommitByDefault = true;
return(Analysis.GetMembers(me.Target, Position, opts, null).Select(ToCompletionItem));
}
return(null);
}
private bool Save(int startIndex, bool baseWalk, string keyword)
{
if (!baseWalk)
{
return(false);
}
if (startIndex < 0)
{
return(true);
}
if (_endLocation <= startIndex + keyword.Length)
{
var ne = new NameExpression(keyword);
ne.SetLoc(startIndex, startIndex + keyword.Length);
Expression = ne;
return(false);
}
return(true);
}
