internal bool CanInvokeRename(
ISyntaxFactsService syntaxFactsService,
IRenameTrackingLanguageHeuristicsService languageHeuristicsService,
bool isSmartTagCheck,
bool waitForResult,
CancellationToken cancellationToken)
{
if (IsRenamableIdentifier(_isRenamableIdentifierTask, waitForResult, cancellationToken))
{
var isRenamingDeclaration = _isRenamableIdentifierTask.Result == TriggerIdentifierKind.RenamableDeclaration;
var newName = TrackingSpan.GetText(TrackingSpan.TextBuffer.CurrentSnapshot);
var comparison = isRenamingDeclaration || syntaxFactsService.IsCaseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase;
if (!string.Equals(OriginalName, newName, comparison) &&
syntaxFactsService.IsValidIdentifier(newName) &&
languageHeuristicsService.IsIdentifierValidForRenameTracking(newName))
{
// At this point, we want to allow renaming if the user invoked Ctrl+. explicitly, but we
// want to avoid showing a smart tag if we're renaming a reference that binds to an existing
// symbol.
if (!isSmartTagCheck || isRenamingDeclaration || !NewIdentifierDefinitelyBindsToReference())
{
return(true);
}
}
}
return(false);
}
private bool TryGetLanguageHeuristicsService(out IRenameTrackingLanguageHeuristicsService languageHeuristicsService)
{
// Can be called on a background thread
languageHeuristicsService = null;
var document = _buffer.CurrentSnapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document != null)
{
languageHeuristicsService = document.Project.LanguageServices.GetService <IRenameTrackingLanguageHeuristicsService>();
}
return(languageHeuristicsService != null);
}
internal bool CanInvokeRename(
ISyntaxFactsService syntaxFactsService,
IRenameTrackingLanguageHeuristicsService languageHeuristicsService,
bool isSmartTagCheck,
bool waitForResult,
CancellationToken cancellationToken)
{
if (IsRenamableIdentifier(_isRenamableIdentifierTask, waitForResult, cancellationToken))
{
var isRenamingDeclaration = _isRenamableIdentifierTask.Result == TriggerIdentifierKind.RenamableDeclaration;
var newName = TrackingSpan.GetText(TrackingSpan.TextBuffer.CurrentSnapshot);
var comparison = isRenamingDeclaration || syntaxFactsService.IsCaseSensitive ? StringComparison.Ordinal : StringComparison.OrdinalIgnoreCase;
if (!string.Equals(OriginalName, newName, comparison) &&
syntaxFactsService.IsValidIdentifier(newName) &&
languageHeuristicsService.IsIdentifierValidForRenameTracking(newName))
{
// At this point, we want to allow renaming if the user invoked Ctrl+. explicitly, but we
// want to avoid showing a smart tag if we're renaming a reference that binds to an existing
// symbol.
if (!isSmartTagCheck || isRenamingDeclaration || !NewIdentifierDefinitelyBindsToReference())
{
return true;
}
}
}
return false;
}
private bool TryGetLanguageHeuristicsService(out IRenameTrackingLanguageHeuristicsService languageHeuristicsService)
{
// Can be called on a background thread
languageHeuristicsService = null;
var document = _buffer.CurrentSnapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document != null)
{
languageHeuristicsService = document.Project.LanguageServices.GetService<IRenameTrackingLanguageHeuristicsService>();
}
return languageHeuristicsService != null;
}
