protected override SyntaxTreeNode RewriteBlock(BlockBuilder parent, Block block)
{
var newBlock = new BlockBuilder(block);
newBlock.Children.Clear();
var ws = block.Children.FirstOrDefault() as Span;
IEnumerable <SyntaxTreeNode> newNodes = block.Children;
if (ws.Content.All(char.IsWhiteSpace))
{
// Add this node to the parent
var builder = new SpanBuilder(ws);
builder.ClearTokens();
FillSpan(builder, ws.Start, ws.Content);
parent.Children.Add(builder.Build());
// Remove the old whitespace node
newNodes = block.Children.Skip(1);
}
foreach (SyntaxTreeNode node in newNodes)
{
newBlock.Children.Add(node);
}
return(newBlock.Build());
}
protected virtual SpanBuilder UpdateSpan(Span target, SourceChange change)
{
var newContent = change.GetEditedContent(target);
var newSpan = new SpanBuilder(target);
newSpan.ClearTokens();
foreach (var token in Tokenizer(newContent))
{
newSpan.Accept(token);
}
if (target.Next != null)
{
var newEnd = SourceLocationTracker.CalculateNewLocation(target.Start, newContent);
target.Next.ChangeStart(newEnd);
}
return(newSpan);
}