private ChangeSignatureResult ChangeSignatureWithContext(ChangeSignatureAnalyzedContext context, CancellationToken cancellationToken)
{
var options = GetChangeSignatureOptions(context, CancellationToken.None);
if (options.IsCancelled)
{
return(new ChangeSignatureResult(succeeded: false));
}
return(ChangeSignatureWithContext(context, options, cancellationToken));
}
private bool TryCreateUpdatedSolution(
ChangeSignatureAnalyzedContext context, ChangeSignatureOptionsResult options, CancellationToken cancellationToken, out Solution updatedSolution)
{
updatedSolution = context.Solution;
var declaredSymbol = context.Symbol;
var nodesToUpdate = new Dictionary <DocumentId, List <SyntaxNode> >();
var definitionToUse = new Dictionary <SyntaxNode, ISymbol>();
bool hasLocationsInMetadata = false;
var symbols = FindChangeSignatureReferencesAsync(
SymbolAndProjectId.Create(declaredSymbol, context.Project.Id),
context.Solution, cancellationToken).WaitAndGetResult(cancellationToken);
foreach (var symbol in symbols)
{
if (symbol.Definition.Kind == SymbolKind.Method &&
((symbol.Definition as IMethodSymbol).MethodKind == MethodKind.PropertyGet || (symbol.Definition as IMethodSymbol).MethodKind == MethodKind.PropertySet))
{
continue;
}
if (symbol.Definition.Kind == SymbolKind.NamedType)
{
continue;
}
if (symbol.Definition.Locations.Any(loc => loc.IsInMetadata))
{
hasLocationsInMetadata = true;
continue;
}
var symbolWithSyntacticParameters = symbol.Definition;
var symbolWithSemanticParameters = symbol.Definition;
var includeDefinitionLocations = true;
if (symbol.Definition.Kind == SymbolKind.Field)
{
includeDefinitionLocations = false;
}
if (symbolWithSyntacticParameters.Kind == SymbolKind.Event)
{
var eventSymbol = symbolWithSyntacticParameters as IEventSymbol;
if (eventSymbol.Type is INamedTypeSymbol type && type.DelegateInvokeMethod != null)
{
symbolWithSemanticParameters = type.DelegateInvokeMethod;
}
else
{
continue;
}
}
if (symbolWithSyntacticParameters.Kind == SymbolKind.Method)
{
var methodSymbol = symbolWithSyntacticParameters as IMethodSymbol;
if (methodSymbol.MethodKind == MethodKind.DelegateInvoke)
{
symbolWithSyntacticParameters = methodSymbol.ContainingType;
}
if (methodSymbol.Name == WellKnownMemberNames.DelegateBeginInvokeName &&
methodSymbol.ContainingType != null &&
methodSymbol.ContainingType.IsDelegateType())
{
includeDefinitionLocations = false;
}
}
// Find and annotate all the relevant definitions
if (includeDefinitionLocations)
{
foreach (var def in symbolWithSyntacticParameters.Locations)
{
if (!TryGetNodeWithEditableSignatureOrAttributes(def, updatedSolution, out var nodeToUpdate, out var documentId))
{
continue;
}
if (!nodesToUpdate.ContainsKey(documentId))
{
nodesToUpdate.Add(documentId, new List <SyntaxNode>());
}
AddUpdatableNodeToDictionaries(nodesToUpdate, documentId, nodeToUpdate, definitionToUse, symbolWithSemanticParameters);
}
}
// Find and annotate all the relevant references
foreach (var location in symbol.Locations)
{
if (location.Location.IsInMetadata)
{
hasLocationsInMetadata = true;
continue;
}
if (!TryGetNodeWithEditableSignatureOrAttributes(location.Location, updatedSolution, out var nodeToUpdate2, out var documentId2))
{
continue;
}
if (!nodesToUpdate.ContainsKey(documentId2))
{
nodesToUpdate.Add(documentId2, new List <SyntaxNode>());
}
AddUpdatableNodeToDictionaries(nodesToUpdate, documentId2, nodeToUpdate2, definitionToUse, symbolWithSemanticParameters);
}
}
internal ChangeSignatureResult ChangeSignatureWithContext(ChangeSignatureAnalyzedContext context, ChangeSignatureOptionsResult options, CancellationToken cancellationToken)
{
var succeeded = TryCreateUpdatedSolution(context, options, cancellationToken, out var updatedSolution);
return(new ChangeSignatureResult(succeeded, updatedSolution, context.Symbol.ToDisplayString(), context.Symbol.GetGlyph(), options.PreviewChanges));
}
public ChangeSignatureCodeAction(AbstractChangeSignatureService changeSignatureService, ChangeSignatureAnalyzedContext context)
{
_changeSignatureService = changeSignatureService;
_context = context;
}