public override IEnumerable<SymbolDisplayPart> GetAnonymousTypeParts(
INamedTypeSymbol anonymousType, SemanticModel semanticModel, int position, ISymbolDisplayService displayService)
{
var members = new List<SymbolDisplayPart>();
members.Add(Keyword(SyntaxFacts.GetText(SyntaxKind.NewKeyword)));
members.AddRange(Space());
members.Add(Punctuation(SyntaxFacts.GetText(SyntaxKind.OpenBraceToken)));
members.AddRange(Space());
bool first = true;
foreach (var property in anonymousType.GetValidAnonymousTypeProperties())
{
if (!first)
{
members.Add(Punctuation(SyntaxFacts.GetText(SyntaxKind.CommaToken)));
members.AddRange(Space());
}
first = false;
members.AddRange(displayService.ToMinimalDisplayParts(semanticModel, position, property.Type).Select(p => p.MassageErrorTypeNames("?")));
members.AddRange(Space());
members.Add(new SymbolDisplayPart(SymbolDisplayPartKind.PropertyName, property, property.Name));
}
members.AddRange(Space());
members.Add(Punctuation(SyntaxFacts.GetText(SyntaxKind.CloseBraceToken)));
return members;
}
private IEnumerable<SignatureHelpItem> GetDelegateTypeConstructors(
ObjectCreationExpressionSyntax objectCreationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
INamedTypeSymbol delegateType,
INamedTypeSymbol containingType,
CancellationToken cancellationToken)
{
var invokeMethod = delegateType.DelegateInvokeMethod;
if (invokeMethod == null)
{
return null;
}
var position = objectCreationExpression.SpanStart;
var item = CreateItem(
invokeMethod, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
isVariadic: false,
documentationFactory: null,
prefixParts: GetDelegateTypePreambleParts(invokeMethod, semanticModel, position),
separatorParts: GetSeparatorParts(),
suffixParts: GetDelegateTypePostambleParts(invokeMethod),
parameters: GetDelegateTypeParameters(invokeMethod, semanticModel, position, cancellationToken));
return SpecializedCollections.SingletonEnumerable(item);
}
private IList <SignatureHelpItem> GetDelegateTypeConstructors(
ObjectCreationExpressionSyntax objectCreationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
INamedTypeSymbol delegateType,
INamedTypeSymbol containingType,
CancellationToken cancellationToken)
{
var invokeMethod = delegateType.DelegateInvokeMethod;
if (invokeMethod == null)
{
return(null);
}
var position = objectCreationExpression.SpanStart;
var item = CreateItem(
invokeMethod, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
isVariadic: false,
documentationFactory: null,
prefixParts: GetDelegateTypePreambleParts(invokeMethod, semanticModel, position),
separatorParts: GetSeparatorParts(),
suffixParts: GetDelegateTypePostambleParts(invokeMethod),
parameters: GetDelegateTypeParameters(invokeMethod, semanticModel, position, cancellationToken));
return(SpecializedCollections.SingletonList(item));
}
private IEnumerable<SignatureHelpItem> GetDelegateInvokeItems(
InvocationExpressionSyntax invocationExpression, SemanticModel semanticModel, ISymbolDisplayService symbolDisplayService, IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService, ISymbol within, INamedTypeSymbol delegateType, CancellationToken cancellationToken)
{
var invokeMethod = delegateType.DelegateInvokeMethod;
if (invokeMethod == null)
{
return null;
}
// Events can only be invoked directly from the class they were declared in.
var expressionSymbol = semanticModel.GetSymbolInfo(invocationExpression.Expression, cancellationToken).GetAnySymbol();
if (expressionSymbol.IsKind(SymbolKind.Event) &&
!expressionSymbol.ContainingType.OriginalDefinition.Equals(within.OriginalDefinition))
{
return null;
}
var position = invocationExpression.SpanStart;
var item = CreateItem(
invokeMethod, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
isVariadic: invokeMethod.IsParams(),
documentation: SpecializedCollections.EmptyEnumerable<SymbolDisplayPart>(),
prefixParts: GetDelegateInvokePreambleParts(invokeMethod, semanticModel, position),
separatorParts: GetSeparatorParts(),
suffixParts: GetDelegateInvokePostambleParts(),
parameters: GetDelegateInvokeParameters(invokeMethod, semanticModel, position, documentationCommentFormattingService, cancellationToken));
return SpecializedCollections.SingletonEnumerable(item);
}
private IEnumerable <CodeAction> CreateActions(
CodeFixContext context, Document document, Diagnostic diagnostic,
SyntaxNode node, SemanticModel semanticModel,
IEnumerable <INamespaceOrTypeSymbol> proposedContainers,
ISymbolDisplayService displayService)
{
foreach (var container in proposedContainers)
{
var containerName = displayService.ToMinimalDisplayString(semanticModel, node.SpanStart, container);
var name = GetNodeName(document, node);
// Actual member name might differ by case.
string memberName;
if (this.IgnoreCase)
{
var member = container.GetMembers(name).FirstOrDefault();
memberName = member != null ? member.Name : name;
}
else
{
memberName = name;
}
var codeAction = new MyCodeAction(
$"{containerName}.{memberName}",
c => ProcessNode(document, node, containerName, c));
yield return(codeAction);
}
}
private SignatureHelpItem Convert(
IMethodSymbol constructor,
ISymbol within,
AttributeSyntax attribute,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormatter,
CancellationToken cancellationToken)
{
var position = attribute.SpanStart;
var namedParameters = constructor.ContainingType.GetAttributeNamedParameters(semanticModel.Compilation, within)
.OrderBy(s => s.Name)
.ToList();
var isVariadic =
constructor.Parameters.Length > 0 && constructor.Parameters.Last().IsParams&& namedParameters.Count == 0;
var item = CreateItem(
constructor, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
isVariadic,
constructor.GetDocumentationPartsFactory(semanticModel, position, documentationCommentFormatter),
GetPreambleParts(constructor, semanticModel, position),
GetSeparatorParts(),
GetPostambleParts(constructor),
GetParameters(constructor, semanticModel, position, namedParameters, documentationCommentFormatter, cancellationToken));
return(item);
}
#pragma warning disable CA1822 // Mark members as static - see obsolete comment above.
protected SignatureHelpItem CreateItem(
#pragma warning restore CA1822 // Mark members as static
ISymbol orderSymbol,
SemanticModel semanticModel,
int position,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
bool isVariadic,
Func <CancellationToken, IEnumerable <TaggedText> > documentationFactory,
IList <SymbolDisplayPart> prefixParts,
IList <SymbolDisplayPart> separatorParts,
IList <SymbolDisplayPart> suffixParts,
IList <SignatureHelpSymbolParameter> parameters,
IList <SymbolDisplayPart>?descriptionParts = null
)
{
return(CreateItem(
orderSymbol,
semanticModel,
position,
anonymousTypeDisplayService,
isVariadic,
documentationFactory,
prefixParts,
separatorParts,
suffixParts,
parameters,
descriptionParts
));
}
public static ImmutableArray <TSymbol> Sort <TSymbol>(
ImmutableArray <TSymbol> symbols,
ISymbolDisplayService symbolDisplayService,
SemanticModel semanticModel,
int position)
where TSymbol : ISymbol
=> Shared.Extensions.ISymbolExtensions2.Sort(symbols, symbolDisplayService, semanticModel, position);
public static ImmutableArray <TSymbol> Sort <TSymbol>(
this ImmutableArray <TSymbol> symbols,
ISymbolDisplayService symbolDisplayService,
SemanticModel semanticModel,
int position)
where TSymbol : ISymbol
{
return(Sort(symbols, semanticModel, position));
}
private IEnumerable <SignatureHelpItem> GetMethodGroupItems(
InvocationExpressionSyntax invocationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
ISymbol within,
IEnumerable <IMethodSymbol> methodGroup,
CancellationToken cancellationToken)
{
ITypeSymbol throughType = null;
if (invocationExpression.Expression is MemberAccessExpressionSyntax)
{
var throughExpression = ((MemberAccessExpressionSyntax)invocationExpression.Expression).Expression;
var throughSymbol = semanticModel.GetSymbolInfo(throughExpression, cancellationToken).GetAnySymbol();
// if it is via a base expression "base.", we know the "throughType" is the base class but
// we need to be able to tell between "base.M()" and "new Base().M()".
// currently, Access check methods do not differentiate between them.
// so handle "base." primary-expression here by nulling out "throughType"
if (!(throughExpression is BaseExpressionSyntax))
{
throughType = semanticModel.GetTypeInfo(throughExpression, cancellationToken).Type;
}
var includeInstance = !throughExpression.IsKind(SyntaxKind.IdentifierName) ||
semanticModel.LookupSymbols(throughExpression.SpanStart, name: throughSymbol.Name).Any(s => !(s is INamedTypeSymbol)) ||
(!(throughSymbol is INamespaceOrTypeSymbol) && semanticModel.LookupSymbols(throughExpression.SpanStart, container: throughSymbol.ContainingType).Any(s => !(s is INamedTypeSymbol)));
var includeStatic = throughSymbol is INamedTypeSymbol ||
(throughExpression.IsKind(SyntaxKind.IdentifierName) &&
semanticModel.LookupNamespacesAndTypes(throughExpression.SpanStart, name: throughSymbol.Name).Any(t => t.GetSymbolType() == throughType));
Contract.ThrowIfFalse(includeInstance || includeStatic);
methodGroup = methodGroup.Where(m => (m.IsStatic && includeStatic) || (!m.IsStatic && includeInstance));
}
else if (invocationExpression.Expression is SimpleNameSyntax &&
invocationExpression.IsInStaticContext())
{
methodGroup = methodGroup.Where(m => m.IsStatic);
}
var accessibleMethods = methodGroup.Where(m => m.IsAccessibleWithin(within, throughTypeOpt: throughType)).ToList();
if (accessibleMethods.Count == 0)
{
return(null);
}
var methodSet = accessibleMethods.ToSet();
accessibleMethods = accessibleMethods.Where(m => !IsHiddenByOtherMethod(m, methodSet)).ToList();
return(accessibleMethods.Select(m =>
ConvertMethodGroupMethod(m, invocationExpression, semanticModel, symbolDisplayService, anonymousTypeDisplayService, documentationCommentFormattingService, cancellationToken)));
}
private static string[] GetParameterTypeNames(
ISymbol symbol,
ISymbolDisplayService symbolDisplayService,
SemanticModel semanticModel,
int position)
{
return(GetMethodOrIndexerOrEventParameters(symbol)
.Select(p => symbolDisplayService.ToMinimalDisplayString(semanticModel, position, p.Type))
.ToArray());
}
public SymbolDescriptionBuilder(
ISymbolDisplayService displayService,
SemanticModel semanticModel,
int position,
Workspace workspace,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
CancellationToken cancellationToken)
: base(displayService, semanticModel, position, workspace, anonymousTypeDisplayService, cancellationToken)
{
}
private IEnumerable<SignatureHelpItem> GetMethodGroupItems(
InvocationExpressionSyntax invocationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
ISymbol within,
IEnumerable<IMethodSymbol> methodGroup,
CancellationToken cancellationToken)
{
ITypeSymbol throughType = null;
if (invocationExpression.Expression is MemberAccessExpressionSyntax)
{
var throughExpression = ((MemberAccessExpressionSyntax)invocationExpression.Expression).Expression;
var throughSymbol = semanticModel.GetSymbolInfo(throughExpression, cancellationToken).GetAnySymbol();
// if it is via a base expression "base.", we know the "throughType" is the base class but
// we need to be able to tell between "base.M()" and "new Base().M()".
// currently, Access check methods do not differentiate between them.
// so handle "base." primary-expression here by nulling out "throughType"
if (!(throughExpression is BaseExpressionSyntax))
{
throughType = semanticModel.GetTypeInfo(throughExpression, cancellationToken).Type;
}
var includeInstance = !throughExpression.IsKind(SyntaxKind.IdentifierName) ||
semanticModel.LookupSymbols(throughExpression.SpanStart, name: throughSymbol.Name).Any(s => !(s is INamedTypeSymbol)) ||
(!(throughSymbol is INamespaceOrTypeSymbol) && semanticModel.LookupSymbols(throughExpression.SpanStart, container: throughSymbol.ContainingType).Any(s => !(s is INamedTypeSymbol)));
var includeStatic = throughSymbol is INamedTypeSymbol ||
(throughExpression.IsKind(SyntaxKind.IdentifierName) &&
semanticModel.LookupNamespacesAndTypes(throughExpression.SpanStart, name: throughSymbol.Name).Any(t => t.GetSymbolType() == throughType));
Contract.ThrowIfFalse(includeInstance || includeStatic);
methodGroup = methodGroup.Where(m => (m.IsStatic && includeStatic) || (!m.IsStatic && includeInstance));
}
else if (invocationExpression.Expression is SimpleNameSyntax &&
invocationExpression.IsInStaticContext())
{
methodGroup = methodGroup.Where(m => m.IsStatic);
}
var accessibleMethods = methodGroup.Where(m => m.IsAccessibleWithin(within, throughTypeOpt: throughType)).ToList();
if (accessibleMethods.Count == 0)
{
return null;
}
var methodSet = accessibleMethods.ToSet();
accessibleMethods = accessibleMethods.Where(m => !IsHiddenByOtherMethod(m, methodSet)).ToList();
return accessibleMethods.Select(m =>
ConvertMethodGroupMethod(m, invocationExpression, semanticModel, symbolDisplayService, anonymousTypeDisplayService, documentationCommentFormattingService, cancellationToken));
}
public static IList <TSymbol> Sort <TSymbol>(
this IEnumerable <TSymbol> symbols,
ISymbolDisplayService symbolDisplayService,
SemanticModel semanticModel,
int position)
where TSymbol : ISymbol
{
var symbolToParameterTypeNames = new ConcurrentDictionary <TSymbol, string[]>();
Func <TSymbol, string[]> getParameterTypeNames = s => GetParameterTypeNames(s, symbolDisplayService, semanticModel, position);
return(symbols.OrderBy((s1, s2) => Compare(s1, s2, symbolToParameterTypeNames, getParameterTypeNames)).ToList());
}
public AnonymousTypeDisplayInfo GetNormalAnonymousTypeDisplayInfo(
ISymbol orderSymbol,
IEnumerable <INamedTypeSymbol> directNormalAnonymousTypeReferences,
SemanticModel semanticModel,
int position,
ISymbolDisplayService displayService)
{
if (!directNormalAnonymousTypeReferences.Any())
{
return(new AnonymousTypeDisplayInfo(
SpecializedCollections.EmptyDictionary <INamedTypeSymbol, string>(),
SpecializedCollections.EmptyList <SymbolDisplayPart>()));
}
var transitiveNormalAnonymousTypeReferences = GetTransitiveNormalAnonymousTypeReferences(directNormalAnonymousTypeReferences.ToSet());
transitiveNormalAnonymousTypeReferences = OrderAnonymousTypes(transitiveNormalAnonymousTypeReferences, orderSymbol);
IList <SymbolDisplayPart> anonymousTypeParts = new List <SymbolDisplayPart>();
anonymousTypeParts.Add(PlainText(FeaturesResources.Anonymous_Types_colon));
anonymousTypeParts.AddRange(LineBreak());
for (int i = 0; i < transitiveNormalAnonymousTypeReferences.Count; i++)
{
if (i != 0)
{
anonymousTypeParts.AddRange(LineBreak());
}
var anonymousType = transitiveNormalAnonymousTypeReferences[i];
anonymousTypeParts.AddRange(Space(count: 4));
anonymousTypeParts.Add(Part(SymbolDisplayPartKind.ClassName, anonymousType, anonymousType.Name));
anonymousTypeParts.AddRange(Space());
anonymousTypeParts.Add(PlainText(FeaturesResources.is_));
anonymousTypeParts.AddRange(Space());
anonymousTypeParts.AddRange(GetAnonymousTypeParts(anonymousType, semanticModel, position, displayService));
}
// Now, inline any delegate anonymous types we've got.
anonymousTypeParts = this.InlineDelegateAnonymousTypes(anonymousTypeParts, semanticModel, position, displayService);
// Finally, assign a name to all the anonymous types.
var anonymousTypeToName = GenerateAnonymousTypeNames(transitiveNormalAnonymousTypeReferences);
anonymousTypeParts = AnonymousTypeDisplayInfo.ReplaceAnonymousTypes(anonymousTypeParts, anonymousTypeToName);
return(new AnonymousTypeDisplayInfo(anonymousTypeToName, anonymousTypeParts));
}
protected AbstractSymbolDescriptionBuilder(
ISymbolDisplayService displayService,
SemanticModel semanticModel,
int position,
Workspace workspace,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
CancellationToken cancellationToken)
{
_displayService = displayService;
_anonymousTypeDisplayService = anonymousTypeDisplayService;
this.Workspace = workspace;
this.CancellationToken = cancellationToken;
_semanticModel = semanticModel;
_position = position;
}
protected AbstractSymbolDescriptionBuilder(
ISymbolDisplayService displayService,
SemanticModel semanticModel,
int position,
Workspace workspace,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
CancellationToken cancellationToken)
{
_displayService = displayService;
_anonymousTypeDisplayService = anonymousTypeDisplayService;
this.Workspace = workspace;
this.CancellationToken = cancellationToken;
_semanticModel = semanticModel;
_position = position;
}
private SignatureHelpSymbolParameter InlineDelegateAnonymousTypes(
SignatureHelpSymbolParameter parameter,
SemanticModel semanticModel,
int position,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService)
{
return(new SignatureHelpSymbolParameter(
parameter.Name,
parameter.IsOptional,
parameter.DocumentationFactory,
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(parameter.DisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(parameter.PrefixDisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(parameter.SuffixDisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(parameter.SelectedDisplayParts, semanticModel, position, symbolDisplayService)));
}
public AnonymousTypeDisplayInfo GetNormalAnonymousTypeDisplayInfo(
ISymbol orderSymbol,
IEnumerable<INamedTypeSymbol> directNormalAnonymousTypeReferences,
SemanticModel semanticModel,
int position,
ISymbolDisplayService displayService)
{
if (!directNormalAnonymousTypeReferences.Any())
{
return new AnonymousTypeDisplayInfo(
SpecializedCollections.EmptyDictionary<INamedTypeSymbol, string>(),
SpecializedCollections.EmptyList<SymbolDisplayPart>());
}
var transitiveNormalAnonymousTypeReferences = GetTransitiveNormalAnonymousTypeReferences(directNormalAnonymousTypeReferences.ToSet());
transitiveNormalAnonymousTypeReferences = OrderAnonymousTypes(transitiveNormalAnonymousTypeReferences, orderSymbol);
IList<SymbolDisplayPart> anonymousTypeParts = new List<SymbolDisplayPart>();
anonymousTypeParts.Add(PlainText(FeaturesResources.AnonymousTypes));
anonymousTypeParts.AddRange(LineBreak());
for (int i = 0; i < transitiveNormalAnonymousTypeReferences.Count; i++)
{
if (i != 0)
{
anonymousTypeParts.AddRange(LineBreak());
}
var anonymousType = transitiveNormalAnonymousTypeReferences[i];
anonymousTypeParts.AddRange(Space(count: 4));
anonymousTypeParts.Add(Part(SymbolDisplayPartKind.ClassName, anonymousType, anonymousType.Name));
anonymousTypeParts.AddRange(Space());
anonymousTypeParts.Add(PlainText(FeaturesResources.Is));
anonymousTypeParts.AddRange(Space());
anonymousTypeParts.AddRange(GetAnonymousTypeParts(anonymousType, semanticModel, position, displayService));
}
// Now, inline any delegate anonymous types we've got.
anonymousTypeParts = this.InlineDelegateAnonymousTypes(anonymousTypeParts, semanticModel, position, displayService);
// Finally, assign a name to all the anonymous types.
var anonymousTypeToName = GenerateAnonymousTypeNames(transitiveNormalAnonymousTypeReferences);
anonymousTypeParts = AnonymousTypeDisplayInfo.ReplaceAnonymousTypes(anonymousTypeParts, anonymousTypeToName);
return new AnonymousTypeDisplayInfo(anonymousTypeToName, anonymousTypeParts);
}
private CompletionItem CreateItem(
ISymbol symbol, ISymbolDisplayService symbolDisplayService,
SemanticModel semanticModel, SyntaxToken startToken, DeclarationModifiers modifiers)
{
var position = startToken.SpanStart;
var displayString = symbolDisplayService.ToMinimalDisplayString(semanticModel, position, symbol, _overrideNameFormat);
return(MemberInsertionCompletionItem.Create(
displayString,
modifiers,
_startLineNumber,
symbol,
startToken,
position,
rules: _provider.GetRules()));
}
private (IList <SignatureHelpItem>, int?) GetMethodGroupItemsAndSelection(
InvocationExpressionSyntax invocationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
ISymbol within,
IEnumerable <IMethodSymbol> methodGroup,
SymbolInfo currentSymbol,
CancellationToken cancellationToken)
{
ITypeSymbol throughType = null;
if (invocationExpression.Expression is MemberAccessExpressionSyntax)
{
var throughExpression = ((MemberAccessExpressionSyntax)invocationExpression.Expression).Expression;
var throughSymbol = semanticModel.GetSymbolInfo(throughExpression, cancellationToken).GetAnySymbol();
// if it is via a base expression "base.", we know the "throughType" is the base class but
// we need to be able to tell between "base.M()" and "new Base().M()".
// currently, Access check methods do not differentiate between them.
// so handle "base." primary-expression here by nulling out "throughType"
if (!(throughExpression is BaseExpressionSyntax))
{
throughType = semanticModel.GetTypeInfo(throughExpression, cancellationToken).Type;
}
var includeInstance = !throughExpression.IsKind(SyntaxKind.IdentifierName) ||
semanticModel.LookupSymbols(throughExpression.SpanStart, name: throughSymbol.Name).Any(s => !(s is INamedTypeSymbol)) ||
(!(throughSymbol is INamespaceOrTypeSymbol) && semanticModel.LookupSymbols(throughExpression.SpanStart, container: throughSymbol.ContainingType).Any(s => !(s is INamedTypeSymbol)));
var includeStatic = throughSymbol is INamedTypeSymbol ||
(throughExpression.IsKind(SyntaxKind.IdentifierName) &&
semanticModel.LookupNamespacesAndTypes(throughExpression.SpanStart, name: throughSymbol.Name).Any(t => Equals(t.GetSymbolType(), throughType)));
Contract.ThrowIfFalse(includeInstance || includeStatic);
methodGroup = methodGroup.Where(m => (m.IsStatic && includeStatic) || (!m.IsStatic && includeInstance));
}
else if (invocationExpression.Expression is SimpleNameSyntax &&
invocationExpression.IsInStaticContext())
{
// We always need to include local functions regardless of whether they are static.
methodGroup = methodGroup.Where(m => m.IsStatic || m is IMethodSymbol {
MethodKind: MethodKind.LocalFunction
});
private MemberInsertionCompletionItem CreateItem(
ISymbol symbol, TextSpan textChangeSpan, ISymbolDisplayService symbolDisplayService,
SemanticModel semanticModel, SyntaxToken startToken, DeclarationModifiers modifiers)
{
var position = startToken.SpanStart;
var displayString = symbolDisplayService.ToMinimalDisplayString(semanticModel, position, symbol, _overrideNameFormat);
return(new MemberInsertionCompletionItem(_provider,
displayString,
textChangeSpan,
CommonCompletionUtilities.CreateDescriptionFactory(_document.Project.Solution.Workspace, semanticModel, position, symbol),
symbol.GetGlyph(),
modifiers,
_startLineNumber,
symbol.GetSymbolKey(),
startToken));
}
private IList<SignatureHelpItem> GetNormalTypeConstructors(
Document document,
ObjectCreationExpressionSyntax objectCreationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
INamedTypeSymbol normalType,
ISymbol within,
CancellationToken cancellationToken)
{
var accessibleConstructors = normalType.InstanceConstructors
.Where(c => c.IsAccessibleWithin(within))
.Where(s => s.IsEditorBrowsable(document.ShouldHideAdvancedMembers(), semanticModel.Compilation))
.Sort(symbolDisplayService, semanticModel, objectCreationExpression.SpanStart);
return accessibleConstructors.Select(c =>
ConvertNormalTypeConstructor(c, objectCreationExpression, semanticModel, symbolDisplayService, anonymousTypeDisplayService, documentationCommentFormattingService, cancellationToken)).ToList();
}
public static IList<SymbolDisplayPart> InlineDelegateAnonymousTypes(
this IAnonymousTypeDisplayService service, IList<SymbolDisplayPart> parts, SemanticModel semanticModel, int position, ISymbolDisplayService displayService)
{
IList<SymbolDisplayPart> result = parts;
while (true)
{
var delegateAnonymousType = result.Select(p => p.Symbol).OfType<INamedTypeSymbol>().FirstOrDefault(s => s.IsAnonymousDelegateType());
if (delegateAnonymousType == null)
{
break;
}
result = result == parts ? new List<SymbolDisplayPart>(parts) : result;
ReplaceAnonymousType(result, delegateAnonymousType,
service.GetAnonymousTypeParts(delegateAnonymousType, semanticModel, position, displayService));
}
return result;
}
private IList <SignatureHelpItem> GetNormalTypeConstructors(
Document document,
ObjectCreationExpressionSyntax objectCreationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
INamedTypeSymbol normalType,
ISymbol within,
CancellationToken cancellationToken)
{
var accessibleConstructors = normalType.InstanceConstructors
.Where(c => c.IsAccessibleWithin(within))
.Where(s => s.IsEditorBrowsable(document.ShouldHideAdvancedMembers(), semanticModel.Compilation))
.Sort(symbolDisplayService, semanticModel, objectCreationExpression.SpanStart);
return(accessibleConstructors.Select(c =>
ConvertNormalTypeConstructor(c, objectCreationExpression, semanticModel, symbolDisplayService, anonymousTypeDisplayService, documentationCommentFormattingService, cancellationToken)).ToList());
}
private SignatureHelpItem Convert(
ISymbol symbol,
SyntaxToken lessThanToken,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
CancellationToken cancellationToken)
{
var position = lessThanToken.SpanStart;
SignatureHelpItem item;
if (symbol is INamedTypeSymbol)
{
var namedType = (INamedTypeSymbol)symbol;
item = CreateItem(
symbol, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
false,
symbol.GetDocumentationParts(semanticModel, position, documentationCommentFormattingService, cancellationToken),
GetPreambleParts(namedType, semanticModel, position),
GetSeparatorParts(),
GetPostambleParts(namedType),
namedType.TypeParameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)));
}
else
{
var method = (IMethodSymbol)symbol;
item = CreateItem(
symbol, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
false,
symbol.GetDocumentationParts(semanticModel, position, documentationCommentFormattingService, cancellationToken).Concat(GetAwaitableUsage(method, semanticModel, position)),
GetPreambleParts(method, semanticModel, position),
GetSeparatorParts(),
GetPostambleParts(method, semanticModel, position),
method.TypeParameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)));
}
return(item);
}
protected SignatureHelpItem CreateItem(
ISymbol orderSymbol,
SemanticModel semanticModel,
int position,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
bool isVariadic,
Func <CancellationToken, IEnumerable <SymbolDisplayPart> > documentationFactory,
IEnumerable <SymbolDisplayPart> prefixParts,
IEnumerable <SymbolDisplayPart> separatorParts,
IEnumerable <SymbolDisplayPart> suffixParts,
IEnumerable <SignatureHelpParameter> parameters,
IEnumerable <SymbolDisplayPart> descriptionParts = null)
{
var item = new SymbolKeySignatureHelpItem(
orderSymbol, isVariadic, documentationFactory, prefixParts, separatorParts,
suffixParts, parameters, descriptionParts);
return(FixAnonymousTypeParts(orderSymbol, item, semanticModel, position, symbolDisplayService, anonymousTypeDisplayService));
}
protected SignatureHelpItem CreateItem(
ISymbol orderSymbol,
SemanticModel semanticModel,
int position,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
bool isVariadic,
Func<CancellationToken, IEnumerable<SymbolDisplayPart>> documentationFactory,
IEnumerable<SymbolDisplayPart> prefixParts,
IEnumerable<SymbolDisplayPart> separatorParts,
IEnumerable<SymbolDisplayPart> suffixParts,
IEnumerable<SignatureHelpParameter> parameters,
IEnumerable<SymbolDisplayPart> descriptionParts = null)
{
var item = new SymbolKeySignatureHelpItem(
orderSymbol, isVariadic, documentationFactory, prefixParts, separatorParts,
suffixParts, parameters, descriptionParts);
return FixAnonymousTypeParts(orderSymbol, item, semanticModel, position, symbolDisplayService, anonymousTypeDisplayService);
}
private SignatureHelpItem Convert(
IPropertySymbol indexer,
SyntaxToken openToken,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
CancellationToken cancellationToken)
{
var position = openToken.SpanStart;
var item = CreateItem(indexer, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
indexer.IsParams(),
indexer.GetDocumentationPartsFactory(semanticModel, position, documentationCommentFormattingService),
GetPreambleParts(indexer, position, semanticModel),
GetSeparatorParts(),
GetPostambleParts(indexer),
indexer.Parameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)).ToList());
return(item);
}
private SignatureHelpItem ConvertNormalTypeConstructor(
IMethodSymbol constructor,
ObjectCreationExpressionSyntax objectCreationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
CancellationToken cancellationToken)
{
var position = objectCreationExpression.SpanStart;
var item = CreateItem(
constructor, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
constructor.IsParams(),
constructor.GetDocumentationParts(semanticModel, position, documentationCommentFormattingService, cancellationToken),
GetNormalTypePreambleParts(constructor, semanticModel, position),
GetSeparatorParts(),
GetNormalTypePostambleParts(constructor),
constructor.Parameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)));
return item;
}
private SignatureHelpItem ConvertMethodGroupMethod(
IMethodSymbol method,
InvocationExpressionSyntax invocationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
CancellationToken cancellationToken)
{
var position = invocationExpression.SpanStart;
var item = CreateItem(
method, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
method.IsParams(),
c => method.OriginalDefinition.GetDocumentationParts(semanticModel, position, documentationCommentFormattingService, c).Concat(GetAwaitableUsage(method, semanticModel, position)),
GetMethodGroupPreambleParts(method, semanticModel, position),
GetSeparatorParts(),
GetMethodGroupPostambleParts(method),
method.Parameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)));
return(item);
}
private SignatureHelpItem ConvertNormalTypeConstructor(
IMethodSymbol constructor,
ObjectCreationExpressionSyntax objectCreationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
CancellationToken cancellationToken)
{
var position = objectCreationExpression.SpanStart;
var item = CreateItem(
constructor, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
constructor.IsParams(),
constructor.GetDocumentationParts(semanticModel, position, documentationCommentFormattingService, cancellationToken),
GetNormalTypePreambleParts(constructor, semanticModel, position),
GetSeparatorParts(),
GetNormalTypePostambleParts(constructor),
constructor.Parameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)));
return(item);
}
private (IList <SignatureHelpItem> items, int?selectedItem) GetNormalTypeConstructors(
Document document,
ObjectCreationExpressionSyntax objectCreationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
INamedTypeSymbol normalType,
ISymbol within,
CancellationToken cancellationToken)
{
var accessibleConstructors = normalType.InstanceConstructors
.WhereAsArray(c => c.IsAccessibleWithin(within))
.WhereAsArray(s => s.IsEditorBrowsable(document.ShouldHideAdvancedMembers(), semanticModel.Compilation))
.Sort(symbolDisplayService, semanticModel, objectCreationExpression.SpanStart);
var symbolInfo = semanticModel.GetSymbolInfo(objectCreationExpression, cancellationToken);
var selectedItem = TryGetSelectedIndex(accessibleConstructors, symbolInfo);
var items = accessibleConstructors.SelectAsArray(c =>
ConvertNormalTypeConstructor(c, objectCreationExpression, semanticModel, symbolDisplayService, anonymousTypeDisplayService, documentationCommentFormattingService, cancellationToken));
return(items, selectedItem);
}
private SignatureHelpItem FixAnonymousTypeParts(
ISymbol orderSymbol, SignatureHelpItem item, SemanticModel semanticModel, int position, ISymbolDisplayService symbolDisplayService, IAnonymousTypeDisplayService anonymousTypeDisplayService)
{
var currentItem = new SymbolKeySignatureHelpItem(
orderSymbol, item.IsVariadic, item.DocumentationFactory,
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(item.PrefixDisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(item.SeparatorDisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(item.SuffixDisplayParts, semanticModel, position, symbolDisplayService),
item.Parameters.Select(p => InlineDelegateAnonymousTypes(p, semanticModel, position, symbolDisplayService, anonymousTypeDisplayService)),
item.DescriptionParts);
var directAnonymousTypeReferences =
from part in currentItem.GetAllParts()
where part.Symbol.IsNormalAnonymousType()
select(INamedTypeSymbol) part.Symbol;
var info = anonymousTypeDisplayService.GetNormalAnonymousTypeDisplayInfo(
orderSymbol, directAnonymousTypeReferences, semanticModel, position, symbolDisplayService);
if (info.AnonymousTypesParts.Count > 0)
{
var anonymousTypeParts = new List <SymbolDisplayPart>
{
new SymbolDisplayPart(SymbolDisplayPartKind.Space, null, "\r\n\r\n")
};
anonymousTypeParts.AddRange(info.AnonymousTypesParts);
currentItem = new SymbolKeySignatureHelpItem(
orderSymbol,
currentItem.IsVariadic,
currentItem.DocumentationFactory,
info.ReplaceAnonymousTypes(currentItem.PrefixDisplayParts),
info.ReplaceAnonymousTypes(currentItem.SeparatorDisplayParts),
info.ReplaceAnonymousTypes(currentItem.SuffixDisplayParts),
currentItem.Parameters.Select(p => ReplaceAnonymousTypes(p, info)),
anonymousTypeParts);
}
return(currentItem);
}
private SignatureHelpItem FixAnonymousTypeParts(
ISymbol orderSymbol, SignatureHelpItem item, SemanticModel semanticModel, int position, ISymbolDisplayService symbolDisplayService, IAnonymousTypeDisplayService anonymousTypeDisplayService)
{
var currentItem = new SymbolKeySignatureHelpItem(
orderSymbol, item.IsVariadic, item.DocumenationFactory,
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(item.PrefixDisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(item.SeparatorDisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(item.SuffixDisplayParts, semanticModel, position, symbolDisplayService),
item.Parameters.Select(p => InlineDelegateAnonymousTypes(p, semanticModel, position, symbolDisplayService, anonymousTypeDisplayService)),
item.DescriptionParts);
var directAnonymousTypeReferences =
from part in currentItem.GetAllParts()
where part.Symbol.IsNormalAnonymousType()
select (INamedTypeSymbol)part.Symbol;
var info = anonymousTypeDisplayService.GetNormalAnonymousTypeDisplayInfo(
orderSymbol, directAnonymousTypeReferences, semanticModel, position, symbolDisplayService);
if (info.AnonymousTypesParts.Count > 0)
{
var anonymousTypeParts = new List<SymbolDisplayPart>
{
new SymbolDisplayPart(SymbolDisplayPartKind.Space, null, "\r\n\r\n")
};
anonymousTypeParts.AddRange(info.AnonymousTypesParts);
currentItem = new SymbolKeySignatureHelpItem(
orderSymbol,
currentItem.IsVariadic,
currentItem.DocumenationFactory,
info.ReplaceAnonymousTypes(currentItem.PrefixDisplayParts),
info.ReplaceAnonymousTypes(currentItem.SeparatorDisplayParts),
info.ReplaceAnonymousTypes(currentItem.SuffixDisplayParts),
currentItem.Parameters.Select(p => ReplaceAnonymousTypes(p, info)),
anonymousTypeParts);
}
return currentItem;
}
private CompletionItem CreateItem(
ISymbol symbol, TextSpan textChangeSpan, ISymbolDisplayService symbolDisplayService,
SemanticModel semanticModel, SyntaxToken startToken, DeclarationModifiers modifiers)
{
var position = startToken.SpanStart;
var displayString = symbolDisplayService.ToMinimalDisplayString(semanticModel, position, symbol, _overrideNameFormat);
return MemberInsertionCompletionItem.Create(
displayString,
textChangeSpan,
symbol.GetGlyph(),
modifiers,
_startLineNumber,
symbol,
startToken,
position,
rules: _provider.GetRules());
}
public override IEnumerable <SymbolDisplayPart> GetAnonymousTypeParts(
INamedTypeSymbol anonymousType, SemanticModel semanticModel, int position, ISymbolDisplayService displayService)
{
var members = new List <SymbolDisplayPart>();
members.Add(Keyword(SyntaxFacts.GetText(SyntaxKind.NewKeyword)));
members.AddRange(Space());
members.Add(Punctuation(SyntaxFacts.GetText(SyntaxKind.OpenBraceToken)));
members.AddRange(Space());
bool first = true;
foreach (var property in anonymousType.GetValidAnonymousTypeProperties())
{
if (!first)
{
members.Add(Punctuation(SyntaxFacts.GetText(SyntaxKind.CommaToken)));
members.AddRange(Space());
}
first = false;
members.AddRange(displayService.ToMinimalDisplayParts(semanticModel, position, property.Type).Select(p => p.MassageErrorTypeNames("?")));
members.AddRange(Space());
members.Add(new SymbolDisplayPart(SymbolDisplayPartKind.PropertyName, property, property.Name));
}
members.AddRange(Space());
members.Add(Punctuation(SyntaxFacts.GetText(SyntaxKind.CloseBraceToken)));
return(members);
}
private SignatureHelpItem Convert(
ISymbol symbol,
SyntaxToken lessThanToken,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
CancellationToken cancellationToken)
{
var position = lessThanToken.SpanStart;
SignatureHelpItem item;
if (symbol is INamedTypeSymbol)
{
var namedType = (INamedTypeSymbol)symbol;
item = CreateItem(
symbol, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
false,
symbol.GetDocumentationPartsFactory(semanticModel, position, documentationCommentFormattingService),
GetPreambleParts(namedType, semanticModel, position),
GetSeparatorParts(),
GetPostambleParts(namedType),
namedType.TypeParameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)).ToList());
}
else
{
var method = (IMethodSymbol)symbol;
item = CreateItem(
symbol, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
false,
c => symbol.GetDocumentationParts(semanticModel, position, documentationCommentFormattingService, c).Concat(GetAwaitableUsage(method, semanticModel, position)),
GetPreambleParts(method, semanticModel, position),
GetSeparatorParts(),
GetPostambleParts(method, semanticModel, position),
method.TypeParameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)).ToList());
}
return item;
}
public abstract IEnumerable <SymbolDisplayPart> GetAnonymousTypeParts(
INamedTypeSymbol anonymousType, SemanticModel semanticModel, int position,
ISymbolDisplayService displayService);
private IList <SignatureHelpItem> GetDelegateInvokeItems(
InvocationExpressionSyntax invocationExpression, SemanticModel semanticModel, ISymbolDisplayService symbolDisplayService, IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService, ISymbol within, INamedTypeSymbol delegateType, CancellationToken cancellationToken)
{
var invokeMethod = delegateType.DelegateInvokeMethod;
if (invokeMethod == null)
{
return(null);
}
// Events can only be invoked directly from the class they were declared in.
var expressionSymbol = semanticModel.GetSymbolInfo(invocationExpression.Expression, cancellationToken).GetAnySymbol();
if (expressionSymbol.IsKind(SymbolKind.Event) &&
!expressionSymbol.ContainingType.OriginalDefinition.Equals(within.OriginalDefinition))
{
return(null);
}
var position = invocationExpression.SpanStart;
var item = CreateItem(
invokeMethod, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
isVariadic: invokeMethod.IsParams(),
documentationFactory: null,
prefixParts: GetDelegateInvokePreambleParts(invokeMethod, semanticModel, position),
separatorParts: GetSeparatorParts(),
suffixParts: GetDelegateInvokePostambleParts(),
parameters: GetDelegateInvokeParameters(invokeMethod, semanticModel, position, documentationCommentFormattingService, cancellationToken));
return(SpecializedCollections.SingletonList(item));
}
public abstract IEnumerable<SymbolDisplayPart> GetAnonymousTypeParts(
INamedTypeSymbol anonymousType, SemanticModel semanticModel, int position,
ISymbolDisplayService displayService);
protected SignatureHelpItem CreateItem(
ISymbol orderSymbol,
SemanticModel semanticModel,
int position,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
bool isVariadic,
Func <CancellationToken, IEnumerable <TaggedText> > documentationFactory,
IList <SymbolDisplayPart> prefixParts,
IList <SymbolDisplayPart> separatorParts,
IList <SymbolDisplayPart> suffixParts,
IList <SignatureHelpSymbolParameter> parameters,
IList <SymbolDisplayPart> descriptionParts = null)
{
prefixParts = anonymousTypeDisplayService.InlineDelegateAnonymousTypes(prefixParts, semanticModel, position, symbolDisplayService);
separatorParts = anonymousTypeDisplayService.InlineDelegateAnonymousTypes(separatorParts, semanticModel, position, symbolDisplayService);
suffixParts = anonymousTypeDisplayService.InlineDelegateAnonymousTypes(suffixParts, semanticModel, position, symbolDisplayService);
parameters = parameters.Select(p => InlineDelegateAnonymousTypes(p, semanticModel, position, symbolDisplayService, anonymousTypeDisplayService)).ToList();
descriptionParts = descriptionParts == null
? SpecializedCollections.EmptyList <SymbolDisplayPart>()
: descriptionParts;
var allParts = prefixParts.Concat(separatorParts)
.Concat(suffixParts)
.Concat(parameters.SelectMany(p => p.GetAllParts()))
.Concat(descriptionParts);
var directAnonymousTypeReferences =
from part in allParts
where part.Symbol.IsNormalAnonymousType()
select(INamedTypeSymbol) part.Symbol;
var info = anonymousTypeDisplayService.GetNormalAnonymousTypeDisplayInfo(
orderSymbol, directAnonymousTypeReferences, semanticModel, position, symbolDisplayService);
if (info.AnonymousTypesParts.Count > 0)
{
var anonymousTypeParts = new List <SymbolDisplayPart>
{
new SymbolDisplayPart(SymbolDisplayPartKind.Space, null, "\r\n\r\n")
};
anonymousTypeParts.AddRange(info.AnonymousTypesParts);
return(new SymbolKeySignatureHelpItem(
orderSymbol,
isVariadic,
documentationFactory,
info.ReplaceAnonymousTypes(prefixParts).ToTaggedText(),
info.ReplaceAnonymousTypes(separatorParts).ToTaggedText(),
info.ReplaceAnonymousTypes(suffixParts).ToTaggedText(),
parameters.Select(p => ReplaceAnonymousTypes(p, info)).Select(p => (SignatureHelpParameter)p),
anonymousTypeParts.ToTaggedText()));
}
return(new SymbolKeySignatureHelpItem(
orderSymbol,
isVariadic,
documentationFactory,
prefixParts.ToTaggedText(),
separatorParts.ToTaggedText(),
suffixParts.ToTaggedText(),
parameters.Select(p => (SignatureHelpParameter)p),
descriptionParts.ToTaggedText()));
}
private SignatureHelpItem Convert(
IMethodSymbol constructor,
ISymbol within,
AttributeSyntax attribute,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormatter,
CancellationToken cancellationToken)
{
var position = attribute.SpanStart;
var namedParameters = constructor.ContainingType.GetAttributeNamedParameters(semanticModel.Compilation, within)
.OrderBy(s => s.Name)
.ToList();
var isVariadic =
constructor.Parameters.Length > 0 && constructor.Parameters.Last().IsParams && namedParameters.Count == 0;
var item = CreateItem(
constructor, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
isVariadic,
constructor.GetDocumentationPartsFactory(semanticModel, position, documentationCommentFormatter),
GetPreambleParts(constructor, semanticModel, position),
GetSeparatorParts(),
GetPostambleParts(constructor),
GetParameters(constructor, semanticModel, position, namedParameters, documentationCommentFormatter, cancellationToken));
return item;
}
private MemberInsertionCompletionItem CreateItem(
ISymbol symbol, TextSpan textChangeSpan, ISymbolDisplayService symbolDisplayService,
SemanticModel semanticModel, SyntaxToken startToken, DeclarationModifiers modifiers)
{
var position = startToken.SpanStart;
var displayString = symbolDisplayService.ToMinimalDisplayString(semanticModel, position, symbol, _overrideNameFormat);
return new MemberInsertionCompletionItem(_provider,
displayString,
textChangeSpan,
CommonCompletionUtilities.CreateDescriptionFactory(_document.Project.Solution.Workspace, semanticModel, position, symbol),
symbol.GetGlyph(),
modifiers,
_startLineNumber,
symbol.GetSymbolKey(),
startToken);
}
private IEnumerable<CodeAction> CreateActions(
CodeFixContext context, Document document, Diagnostic diagnostic,
SyntaxNode node, SemanticModel semanticModel,
IEnumerable<INamespaceOrTypeSymbol> proposedContainers,
ISymbolDisplayService displayService)
{
foreach (var container in proposedContainers)
{
var containerName = displayService.ToMinimalDisplayString(semanticModel, node.SpanStart, container);
var name = GetNodeName(document, node);
// Actual member name might differ by case.
string memberName;
if (this.IgnoreCase)
{
var member = container.GetMembers(name).FirstOrDefault();
memberName = member != null ? member.Name : name;
}
else
{
memberName = name;
}
var codeAction = new MyCodeAction(
$"{containerName}.{memberName}",
c => ProcessNode(document, node, containerName, c));
yield return codeAction;
}
}
private SignatureHelpItem Convert(
IPropertySymbol indexer,
SyntaxToken openToken,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
CancellationToken cancellationToken)
{
var position = openToken.SpanStart;
var item = CreateItem(indexer, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
indexer.IsParams(),
indexer.GetDocumentationPartsFactory(semanticModel, position, documentationCommentFormattingService),
GetPreambleParts(indexer, position, semanticModel),
GetSeparatorParts(),
GetPostambleParts(indexer),
indexer.Parameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)));
return item;
}
private SignatureHelpParameter InlineDelegateAnonymousTypes(
SignatureHelpParameter parameter,
SemanticModel semanticModel,
int position,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService)
{
return new SignatureHelpParameter(
parameter.Name,
parameter.IsOptional,
parameter.DocumentationFactory,
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(parameter.DisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(parameter.PrefixDisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(parameter.SuffixDisplayParts, semanticModel, position, symbolDisplayService),
anonymousTypeDisplayService.InlineDelegateAnonymousTypes(parameter.SelectedDisplayParts, semanticModel, position, symbolDisplayService));
}
public static IList <SymbolDisplayPart> InlineDelegateAnonymousTypes(
this IAnonymousTypeDisplayService service, IList <SymbolDisplayPart> parts, SemanticModel semanticModel, int position, ISymbolDisplayService displayService)
{
var result = parts;
while (true)
{
var delegateAnonymousType = result.Select(p => p.Symbol).OfType <INamedTypeSymbol>().FirstOrDefault(s => s.IsAnonymousDelegateType());
if (delegateAnonymousType == null)
{
break;
}
result = result == parts ? new List <SymbolDisplayPart>(parts) : result;
ReplaceAnonymousType(result, delegateAnonymousType,
service.GetAnonymousTypeParts(delegateAnonymousType, semanticModel, position, displayService));
}
return(result);
}
private SignatureHelpItem ConvertMethodGroupMethod(
IMethodSymbol method,
InvocationExpressionSyntax invocationExpression,
SemanticModel semanticModel,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
IDocumentationCommentFormattingService documentationCommentFormattingService,
CancellationToken cancellationToken)
{
var position = invocationExpression.SpanStart;
var item = CreateItem(
method, semanticModel, position,
symbolDisplayService, anonymousTypeDisplayService,
method.IsParams(),
c => method.OriginalDefinition.GetDocumentationParts(semanticModel, position, documentationCommentFormattingService, c).Concat(GetAwaitableUsage(method, semanticModel, position)),
GetMethodGroupPreambleParts(method, semanticModel, position),
GetSeparatorParts(),
GetMethodGroupPostambleParts(method),
method.Parameters.Select(p => Convert(p, semanticModel, position, documentationCommentFormattingService, cancellationToken)));
return item;
}
protected SignatureHelpItem CreateItem(
ISymbol orderSymbol,
SemanticModel semanticModel,
int position,
ISymbolDisplayService symbolDisplayService,
IAnonymousTypeDisplayService anonymousTypeDisplayService,
bool isVariadic,
Func<CancellationToken, IEnumerable<TaggedText>> documentationFactory,
IList<SymbolDisplayPart> prefixParts,
IList<SymbolDisplayPart> separatorParts,
IList<SymbolDisplayPart> suffixParts,
IList<SignatureHelpSymbolParameter> parameters,
IList<SymbolDisplayPart> descriptionParts = null)
{
prefixParts = anonymousTypeDisplayService.InlineDelegateAnonymousTypes(prefixParts, semanticModel, position, symbolDisplayService);
separatorParts = anonymousTypeDisplayService.InlineDelegateAnonymousTypes(separatorParts, semanticModel, position, symbolDisplayService);
suffixParts = anonymousTypeDisplayService.InlineDelegateAnonymousTypes(suffixParts, semanticModel, position, symbolDisplayService);
parameters = parameters.Select(p => InlineDelegateAnonymousTypes(p, semanticModel, position, symbolDisplayService, anonymousTypeDisplayService)).ToList();
descriptionParts = descriptionParts == null
? SpecializedCollections.EmptyList<SymbolDisplayPart>()
: descriptionParts;
var allParts = prefixParts.Concat(separatorParts)
.Concat(suffixParts)
.Concat(parameters.SelectMany(p => p.GetAllParts()))
.Concat(descriptionParts);
var directAnonymousTypeReferences =
from part in allParts
where part.Symbol.IsNormalAnonymousType()
select (INamedTypeSymbol)part.Symbol;
var info = anonymousTypeDisplayService.GetNormalAnonymousTypeDisplayInfo(
orderSymbol, directAnonymousTypeReferences, semanticModel, position, symbolDisplayService);
if (info.AnonymousTypesParts.Count > 0)
{
var anonymousTypeParts = new List<SymbolDisplayPart>
{
new SymbolDisplayPart(SymbolDisplayPartKind.Space, null, "\r\n\r\n")
};
anonymousTypeParts.AddRange(info.AnonymousTypesParts);
return new SymbolKeySignatureHelpItem(
orderSymbol,
isVariadic,
documentationFactory,
info.ReplaceAnonymousTypes(prefixParts).ToTaggedText(),
info.ReplaceAnonymousTypes(separatorParts).ToTaggedText(),
info.ReplaceAnonymousTypes(suffixParts).ToTaggedText(),
parameters.Select(p => ReplaceAnonymousTypes(p, info)).Select(p => (SignatureHelpParameter)p),
anonymousTypeParts.ToTaggedText());
}
return new SymbolKeySignatureHelpItem(
orderSymbol,
isVariadic,
documentationFactory,
prefixParts.ToTaggedText(),
separatorParts.ToTaggedText(),
suffixParts.ToTaggedText(),
parameters.Select(p => (SignatureHelpParameter)p),
descriptionParts.ToTaggedText());
}