// return which spans of text in the new document are possibly different than text in the old document
internal static IList <TextSpan> GetPossiblyDifferentTextSpans(SyntaxNode oldNode, SyntaxNode newNode)
{
var differ = new SyntaxDiffer(oldNode, newNode, false);
differ.ComputeChanges();
return(ConvertToSpansInNew(differ.changes));
}
// return a set of text changes that when applied to the old document produces the new document
internal static IList <TextChange> GetTextChanges(SyntaxNode oldNode, SyntaxNode newNode)
{
var differ = new SyntaxDiffer(oldNode, newNode, true);
differ.ComputeChanges();
return(ConvertToTextChangesFromOld(differ.changes));
}
// return which spans of text in the new document are possibly different than text in the old document
internal static IList<TextSpan> GetPossiblyDifferentTextSpans(SyntaxNode oldNode, SyntaxNode newNode)
{
var differ = new SyntaxDiffer(oldNode, newNode, false);
differ.ComputeChanges();
return ConvertToSpansInNew(differ.changes);
}
// return a set of text changes that when applied to the old document produces the new document
internal static IList<TextChange> GetTextChanges(SyntaxNode oldNode, SyntaxNode newNode)
{
var differ = new SyntaxDiffer(oldNode, newNode, true);
differ.ComputeChanges();
return ConvertToTextChangesFromOld(differ.changes);
}