public async Task <Document> ImplementInterfaceAsync(
Document document,
SyntaxNode node,
CancellationToken cancellationToken
)
{
using (Logger.LogBlock(FunctionId.Refactoring_ImplementInterface, cancellationToken))
{
var model = await document
.GetSemanticModelAsync(cancellationToken)
.ConfigureAwait(false);
var state = State.Generate(this, document, model, node, cancellationToken);
if (state == null)
{
return(document);
}
// While implementing just one default action, like in the case of pressing enter after interface name in VB,
// choose to implement with the dispose pattern as that's the Dev12 behavior.
var action = ShouldImplementDisposePattern(state, explicitly: false)
? ImplementInterfaceWithDisposePatternCodeAction.CreateImplementWithDisposePatternCodeAction(
this,
document,
state
)
: ImplementInterfaceCodeAction.CreateImplementCodeAction(this, document, state);
return(await action
.GetUpdatedDocumentAsync(cancellationToken)
.ConfigureAwait(false));
}
}
private IEnumerable <CodeAction> GetActions(Document document, State state)
{
if (state == null)
{
yield break;
}
if (state.MembersWithoutExplicitOrImplicitImplementationWhichCanBeImplicitlyImplemented.Length > 0)
{
yield return(ImplementInterfaceCodeAction.CreateImplementCodeAction(this, document, state));
if (ShouldImplementDisposePattern(state, explicitly: false))
{
yield return(ImplementInterfaceWithDisposePatternCodeAction.CreateImplementWithDisposePatternCodeAction(this, document, state));
}
var delegatableMembers = GetDelegatableMembers(state);
foreach (var member in delegatableMembers)
{
yield return(ImplementInterfaceCodeAction.CreateImplementThroughMemberCodeAction(this, document, state, member));
}
if (state.ClassOrStructType.IsAbstract)
{
yield return(ImplementInterfaceCodeAction.CreateImplementAbstractlyCodeAction(this, document, state));
}
}
if (state.MembersWithoutExplicitImplementation.Length > 0)
{
yield return(ImplementInterfaceCodeAction.CreateImplementExplicitlyCodeAction(this, document, state));
if (ShouldImplementDisposePattern(state, explicitly: true))
{
yield return(ImplementInterfaceWithDisposePatternCodeAction.CreateImplementExplicitlyWithDisposePatternCodeAction(this, document, state));
}
}
if (AnyImplementedImplicitly(state))
{
yield return(ImplementInterfaceCodeAction.CreateImplementRemainingExplicitlyCodeAction(this, document, state));
}
}
private IEnumerable <CodeAction> GetActions(Document document, State state)
{
if (state == null)
{
yield break;
}
if (state.UnimplementedMembers != null && state.UnimplementedMembers.Count > 0)
{
yield return(ImplementInterfaceCodeAction.CreateImplementCodeAction(this, document, state));
if (ShouldImplementDisposePattern(document, state, explicitly: false))
{
yield return(ImplementInterfaceWithDisposePatternCodeAction.CreateImplementWithDisposePatternCodeAction(this, document, state));
}
var delegatableMembers = GetDelegatableMembers(state);
foreach (var member in delegatableMembers)
{
yield return(ImplementInterfaceCodeAction.CreateImplementThroughMemberCodeAction(this, document, state, member));
}
if (state.ClassOrStructType.IsAbstract)
{
yield return(ImplementInterfaceCodeAction.CreateImplementAbstractlyCodeAction(this, document, state));
}
}
if (state.UnimplementedExplicitMembers != null && state.UnimplementedExplicitMembers.Count > 0)
{
yield return(ImplementInterfaceCodeAction.CreateImplementExplicitlyCodeAction(this, document, state));
if (ShouldImplementDisposePattern(document, state, explicitly: true))
{
yield return(ImplementInterfaceWithDisposePatternCodeAction.CreateImplementExplicitlyWithDisposePatternCodeAction(this, document, state));
}
}
}
private IEnumerable <CodeAction> GetActions(Document document, ImplementTypeOptions options, State state)
{
if (state == null)
{
yield break;
}
if (state.MembersWithoutExplicitOrImplicitImplementationWhichCanBeImplicitlyImplemented.Length > 0)
{
var totalMemberCount = 0;
var inaccessibleMemberCount = 0;
foreach (var(_, members) in state.MembersWithoutExplicitOrImplicitImplementationWhichCanBeImplicitlyImplemented)
{
foreach (var member in members)
{
totalMemberCount++;
if (AccessibilityHelper.IsLessAccessibleThan(member, state.ClassOrStructType))
{
inaccessibleMemberCount++;
}
}
}
// If all members to implement are inaccessible, then "Implement interface" codeaction
// will be the same as "Implement interface explicitly", so there is no point in having both of them
if (totalMemberCount != inaccessibleMemberCount)
{
yield return(ImplementInterfaceCodeAction.CreateImplementCodeAction(this, document, options, state));
}
if (ShouldImplementDisposePattern(state, explicitly: false))
{
yield return(ImplementInterfaceWithDisposePatternCodeAction.CreateImplementWithDisposePatternCodeAction(this, document, options, state));
}
var delegatableMembers = GetDelegatableMembers(state);
foreach (var member in delegatableMembers)
{
yield return(ImplementInterfaceCodeAction.CreateImplementThroughMemberCodeAction(this, document, options, state, member));
}
if (state.ClassOrStructType.IsAbstract)
{
yield return(ImplementInterfaceCodeAction.CreateImplementAbstractlyCodeAction(this, document, options, state));
}
}
if (state.MembersWithoutExplicitImplementation.Length > 0)
{
yield return(ImplementInterfaceCodeAction.CreateImplementExplicitlyCodeAction(this, document, options, state));
if (ShouldImplementDisposePattern(state, explicitly: true))
{
yield return(ImplementInterfaceWithDisposePatternCodeAction.CreateImplementExplicitlyWithDisposePatternCodeAction(this, document, options, state));
}
}
if (AnyImplementedImplicitly(state))
{
yield return(ImplementInterfaceCodeAction.CreateImplementRemainingExplicitlyCodeAction(this, document, options, state));
}
}
