public override InternalSyntaxNode Visit(InternalSyntaxNode node)
{
if (node != null)
{
if (!_foundOldToken)
{
var token = node as InternalSyntaxToken;
if (token != null)
{
Debug.Assert(token == _oldToken);
_foundOldToken = true;
return(_newToken); // NB: diagnostic offsets have already been updated (by SyntaxParser.AddSkippedSyntax)
}
return(UpdateDiagnosticOffset(base.Visit(node), _diagnosticOffsetDelta));
}
}
return(node);
}
public override InternalSyntaxNode Visit(InternalSyntaxNode node)
{
if (node != null && !_found)
{
_count--;
if (_count == 0)
{
var token = node as InternalSyntaxToken;
if (token != null)
{
Debug.Assert(token == _oldToken);
_found = true;
return(_newToken);
}
_count += CountNonNullSlots(node);
return(base.Visit(node));
}
}
return(node);
}
protected SyntaxDiagnosticInfo MakeError(InternalSyntaxNode node, ErrorCode code, params object[] args)
{
return(new SyntaxDiagnosticInfo(node.GetLeadingTriviaWidth(), node.Width, code, args));
}
private static int CountNonNullSlots(InternalSyntaxNode node)
{
return(node.ChildNodesAndTokens().Count);
}
public GreenNode ListNode(InternalSyntaxNode node0, InternalSyntaxNode node1, InternalSyntaxNode node2)
{
return(Internal.SyntaxList.List(node0, node1, node2));
}
