protected virtual ChangeInfluenceScope GetChangesScopeImpl(Document oldDocument, SyntaxNode newRoot, Document newDocument,
IEnumerable <TextChange> textChanges,
CancellationToken cancellationToken = default)
{
ChangeInfluenceScope accumulatedChangeScope = ChangeInfluenceScope.None;
foreach (TextChange change in textChanges)
{
ChangeInfluenceScope changeScope = GetTextChangeInfluenceScope(change, newRoot);
accumulatedChangeScope = accumulatedChangeScope | changeScope;
cancellationToken.ThrowIfCancellationRequested();
}
return(accumulatedChangeScope);
}
public async Task <CodeMapRefreshMode> ShouldRefreshCodeMapAsync(Document oldDocument, SyntaxNode newRoot, Document newDocument,
CancellationToken cancellationToken = default)
{
ChangeInfluenceScope changeScope = await GetChangesScopeAsync(oldDocument, newRoot, newDocument, cancellationToken);
if (changeScope.ContainsLocation(ChangeInfluenceScope.Namespace))
{
return(newRoot.ContainsDiagnostics
? CodeMapRefreshMode.Clear
: CodeMapRefreshMode.Recalculate);
}
else if (changeScope.ContainsLocation(ChangeInfluenceScope.Class))
{
return(CodeMapRefreshMode.Recalculate);
}
return(CodeMapRefreshMode.NoRefresh);
}
protected override ChangeInfluenceScope GetChangesScopeImpl(Document oldDocument, SyntaxNode newRoot, Document newDocument,
IEnumerable <TextChange> textChanges, CancellationToken cancellationToken = default)
{
ChangeInfluenceScope accumulatedChangeScope = ChangeInfluenceScope.None;
foreach (TextChange change in textChanges)
{
ChangeInfluenceScope changeScope = GetTextChangeInfluenceScope(change, newRoot);
//Early exit if we found a change which require the refresh of code map
if (changeScope.ContainsLocation(ChangeInfluenceScope.Class) || changeScope.ContainsLocation(ChangeInfluenceScope.Namespace))
{
return(changeScope);
}
accumulatedChangeScope = accumulatedChangeScope | changeScope;
cancellationToken.ThrowIfCancellationRequested();
}
return(accumulatedChangeScope);
}
public static bool ContainsLocation(this ChangeInfluenceScope scope, ChangeInfluenceScope scopeToCheck) => (scope & scopeToCheck) == scopeToCheck;
