public bool IsAvailable(IUserDataHolder cache)
{
var methodName = this._myProvider.GetSelectedElement <ICSharpIdentifier>();
var methodDeclaration = MethodDeclarationNavigator.GetByNameIdentifier(methodName);
ICSharpParametersOwnerDeclaration paramsOwnerDeclaration = methodDeclaration;
IFormalParameterList paramsList = methodDeclaration?.Params;
//If unable to resolve by method declaration, try to resolve for ctor.
if (paramsOwnerDeclaration == null)
{
var constructorDeclaration = ConstructorDeclarationNavigator.GetByTypeName(methodName);
paramsOwnerDeclaration = constructorDeclaration;
paramsList = constructorDeclaration?.Params;
}
if (paramsOwnerDeclaration == null)
{
return(false);
}
if (paramsOwnerDeclaration.ParameterDeclarations.IsEmpty)
{
return(false);
}
this.ParametersOwnerDeclaration = paramsOwnerDeclaration;
this.FormalParameterList = paramsList;
return(true);
}
protected override void Analyze(IAttribute element, ElementProblemAnalyzerData data, IHighlightingConsumer consumer)
{
if (!(element.TypeReference?.Resolve().DeclaredElement is ITypeElement attributeTypeElement))
{
return;
}
// Otherwise we'll treat it as targeting a method
if (element.Target == AttributeTarget.Return)
{
return;
}
if (ourAttributeLookups.TryGetValue(attributeTypeElement.GetClrName(), out var func))
{
var methodDeclaration = MethodDeclarationNavigator.GetByAttribute(element);
if (methodDeclaration == null)
{
return;
}
var predefinedType = myPredefinedTypeCache.GetOrCreatePredefinedType(element.GetPsiModule());
var methodSignature = func(predefinedType);
var match = methodSignature.Match(methodDeclaration);
AddMethodSignatureInspections(consumer, methodDeclaration, methodSignature, match);
}
}
public bool IsAvailable(IUserDataHolder cache)
{
var identifier = myDataProvider.GetSelectedElement <ITreeNode>() as ICSharpIdentifier;
var methodDeclaration = MethodDeclarationNavigator.GetByNameIdentifier(identifier);
return(AddDiscardAttributeUtil.IsAvailable(methodDeclaration));
}
public IEnumerable <IntentionAction> CreateBulbItems()
{
var identifier = myDataProvider.GetSelectedElement <ITreeNode>() as ICSharpIdentifier;
var methodDeclaration = MethodDeclarationNavigator.GetByNameIdentifier(identifier);
if (methodDeclaration == null)
{
return(EmptyList <IntentionAction> .Instance);
}
if (!UnityCallGraphUtil.IsSweaCompleted(mySwa))
{
return(EmptyList <IntentionAction> .Instance);
}
var processKind = UnityCallGraphUtil.GetProcessKindForGraph(mySwa);
if (myExpensiveContextProvider.HasContext(methodDeclaration, processKind))
{
return(EmptyList <IntentionAction> .Instance);
}
var isPerformanceContext = myPerformanceContextProvider.HasContext(methodDeclaration, processKind);
if (!isPerformanceContext)
{
return(EmptyList <IntentionAction> .Instance);
}
var bulbAction = new AddExpensiveCommentBulbAction(methodDeclaration);
return(bulbAction.ToContextActionIntentions());
}
public static IMethodDeclaration GetMethodDeclarationByIdentifierOnBothSides([NotNull] ICSharpContextActionDataProvider dataProvider)
{
var result = MethodDeclarationByTreeNode(dataProvider.TokenAfterCaret);
return(result ?? MethodDeclarationByTreeNode(dataProvider.TokenBeforeCaret));
IMethodDeclaration MethodDeclarationByTreeNode(ITreeNode node)
{
var identifierAfter = node as ICSharpIdentifier;
var methodDeclaration = MethodDeclarationNavigator.GetByNameIdentifier(identifierAfter);
return(methodDeclaration);
}
}
public bool IsAvailable(IUserDataHolder cache)
{
var identifier = myDataProvider.GetSelectedElement <ITreeNode>() as ICSharpIdentifier;
var methodDeclaration = MethodDeclarationNavigator.GetByNameIdentifier(identifier);
if (methodDeclaration == null)
{
return(false);
}
var declaredElement = methodDeclaration.DeclaredElement;
return(declaredElement != null && methodDeclaration.IsValid() &&
!PerformanceCriticalCodeStageUtil.IsPerformanceCriticalRootMethod(methodDeclaration));
}
public override bool IsAvailable(IUserDataHolder cache)
{
var methodName = this.Provider.GetSelectedElement <ICSharpIdentifier>();
var methodDeclaration = MethodDeclarationNavigator.GetByNameIdentifier(methodName);
var declaredMethod = methodDeclaration?.DeclaredElement;
if (declaredMethod == null)
{
return(false);
}
var isAlreadyDeclared = this.FindPureAttribute(methodDeclaration) != null;
return(this.ResolveIsAvailable(isAlreadyDeclared, declaredMethod));
}
protected override void Analyze(IAttribute element, ElementProblemAnalyzerData data, IHighlightingConsumer consumer)
{
var attributeTypeElement = element.TypeReference?.Resolve().DeclaredElement as ITypeElement;
if (attributeTypeElement == null)
{
return;
}
if (Equals(attributeTypeElement.GetClrName(), KnownTypes.InitializeOnLoadAttribute))
{
var classLikeDeclaration = ClassLikeDeclarationNavigator.GetByAttribute(element);
if (classLikeDeclaration != null && classLikeDeclaration.ConstructorDeclarations.All(c => !c.IsStatic))
{
// Unity doesn't report a warning if there isn't a static constructor, so just highlight
// the attribute as dead code.
consumer.AddHighlighting(new RedundantInitializeOnLoadAttributeWarning(element));
}
}
else if (Equals(attributeTypeElement.GetClrName(), KnownTypes.InitializeOnLoadMethodAttribute) ||
Equals(attributeTypeElement.GetClrName(), KnownTypes.RuntimeInitializeOnLoadMethodAttribute))
{
var methodDeclaration = MethodDeclarationNavigator.GetByAttribute(element);
if (methodDeclaration == null)
{
return;
}
var predefinedType = myPredefinedTypeCache.GetOrCreatePredefinedType(element.GetPsiModule());
var methodSignature = new MethodSignature(predefinedType.Void, true);
if (!methodDeclaration.IsStatic)
{
consumer.AddHighlighting(new InvalidStaticModifierWarning(methodDeclaration, methodSignature));
}
if (!methodDeclaration.Type.IsVoid())
{
consumer.AddHighlighting(new InvalidReturnTypeWarning(methodDeclaration, methodSignature));
}
if (methodDeclaration.ParameterDeclarationsEnumerable.Any())
{
consumer.AddHighlighting(new InvalidSignatureWarning(methodDeclaration, methodSignature));
}
}
}
protected override void Analyze(IAttribute element, ElementProblemAnalyzerData data, IHighlightingConsumer consumer)
{
if (!(element.TypeReference?.Resolve().DeclaredElement is ITypeElement attributeTypeElement))
{
return;
}
if (element.Target == AttributeTarget.Return)
{
return;
}
var methodDeclaration = MethodDeclarationNavigator.GetByAttribute(element);
if (methodDeclaration == null)
{
return;
}
var predefinedType = myPredefinedTypeCache.GetOrCreatePredefinedType(element.GetPsiModule());
var expectedMethodSignatures = GetExpectedMethodSignatures(attributeTypeElement, predefinedType);
if (expectedMethodSignatures == null)
{
return;
}
if (expectedMethodSignatures.Length == 1)
{
var match = expectedMethodSignatures[0].Match(methodDeclaration);
AddMethodSignatureInspections(consumer, methodDeclaration, expectedMethodSignatures[0], match);
}
else
{
foreach (var methodSignature in expectedMethodSignatures)
{
if (methodSignature.Match(methodDeclaration) == MethodSignatureMatch.ExactMatch)
{
return;
}
}
AddMethodSignatureInspections(consumer, methodDeclaration, expectedMethodSignatures);
}
}
protected override void Analyze(IAttribute element, ElementProblemAnalyzerData data, IHighlightingConsumer consumer)
{
if (!(element.TypeReference?.Resolve().DeclaredElement is ITypeElement attributeTypeElement))
{
return;
}
// Otherwise we'll treat it as targeting a method
if (element.Target == AttributeTarget.Return)
{
return;
}
if (ourAttributeLookups.TryGetValue(attributeTypeElement.GetClrName(), out var func))
{
var methodDeclaration = MethodDeclarationNavigator.GetByAttribute(element);
if (methodDeclaration == null)
{
return;
}
var predefinedType = myPredefinedTypeCache.GetOrCreatePredefinedType(element.GetPsiModule());
var methodSignature = func(predefinedType);
if (!methodSignature.HasMatchingStaticModifier(methodDeclaration))
{
consumer.AddHighlighting(new InvalidStaticModifierWarning(methodDeclaration, methodSignature));
}
if (!methodSignature.HasMatchingReturnType(methodDeclaration))
{
consumer.AddHighlighting(new InvalidReturnTypeWarning(methodDeclaration, methodSignature));
}
if (!methodSignature.HasMatchingTypeParameters(methodDeclaration))
{
consumer.AddHighlighting(new InvalidTypeParametersWarning(methodDeclaration, methodSignature));
}
if (!methodSignature.HasMatchingParameters(methodDeclaration))
{
consumer.AddHighlighting(new InvalidParametersWarning(methodDeclaration, methodSignature));
}
}
}
protected override void Analyze(IAttribute element, ElementProblemAnalyzerData data,
IHighlightingConsumer consumer)
{
if (!(element.TypeReference?.Resolve().DeclaredElement is ITypeElement attributeTypeElement))
{
return;
}
// Otherwise we'll treat it as targeting a method
if (element.Target == AttributeTarget.Return)
{
return;
}
if (attributeTypeElement.GetClrName().Equals(KnownTypes.DrawGizmo))
{
var methodDeclaration = MethodDeclarationNavigator.GetByAttribute(element);
CheckMethodDeclaration(methodDeclaration, element, consumer);
}
}
public IReference[] GetReferences(ITreeNode element, IReference[] oldReferences)
{
var literal = element as ILiteralExpression;
if (literal != null && literal.ConstantValue.Value is string)
{
var agument = literal.Parent as IVBArgument;
var attribute = AttributeNavigator.GetByArgument(agument);
if (attribute != null)
{
var @class = attribute.AttributeType.Reference.Resolve().DeclaredElement as IClass;
if (@class != null && Equals(@class.GetClrName(), DataAttributeName))
{
var typeElement = (from a in attribute.Arguments
where a is INamedArgument && a.ArgumentName == TypeMemberName
select GetTypeof(a.Expression as IGetTypeExpression)).FirstOrDefault();
var member = MethodDeclarationNavigator.GetByAttribute(attribute) as ITypeMemberDeclaration;
if (member != null && member.DeclaredElement != null && typeElement == null)
{
typeElement = member.DeclaredElement.GetContainingType();
}
if (typeElement == null)
{
return(EmptyArray <IReference> .Instance);
}
var reference = CreateReference(typeElement, literal);
return(oldReferences != null && oldReferences.Length == 1 && Equals(oldReferences[0], reference)
? oldReferences
: new[] { reference });
}
}
}
return(EmptyArray <IReference> .Instance);
}
public IReference[] GetReferences(ITreeNode element, IReference[] oldReferences)
{
var literal = element as ILiteralExpression;
if (literal != null && literal.ConstantValue.Value is string)
{
var attribute = AttributeNavigator.GetByConstructorArgumentExpression(literal as ICSharpExpression);
if (attribute != null)
{
var @class = attribute.Name.Reference.Resolve().DeclaredElement as IClass;
if (@class != null && Equals(@class.GetClrName(), XunitTestProvider.PropertyDataAttribute))
{
var typeElement = (from a in attribute.PropertyAssignments
where a.PropertyNameIdentifier.Name == "PropertyType"
select GetTypeof(a.Source as ITypeofExpression)).FirstOrDefault();
var member = MethodDeclarationNavigator.GetByAttribute(attribute);
if (member != null && member.DeclaredElement != null && typeElement == null)
{
typeElement = member.DeclaredElement.GetContainingType();
}
if (typeElement == null)
{
return(EmptyArray <IReference> .Instance);
}
var reference = new PropertyDataReference(typeElement, literal);
return(oldReferences != null && oldReferences.Length == 1 && Equals(oldReferences[0], reference)
? oldReferences
: new IReference[] { reference });
}
}
}
return(EmptyArray <IReference> .Instance);
}
private static IDeclaredElement FindDeclaredElement([NotNull] IPsiView psiView)
{
var referenceExpression = psiView.GetSelectedTreeNode <IReferenceExpression>();
if (referenceExpression != null)
{
return(referenceExpression.Reference.Resolve().DeclaredElement);
}
var identifier = psiView.GetSelectedTreeNode <ICSharpIdentifier>();
if (identifier != null)
{
var referenceName = ReferenceNameNavigator.GetByNameIdentifier(identifier);
if (referenceName != null)
{
return(referenceName.Reference.Resolve().DeclaredElement);
}
var declarationUnderCaret =
FieldDeclarationNavigator.GetByNameIdentifier(identifier) ??
PropertyDeclarationNavigator.GetByNameIdentifier(identifier) ??
MethodDeclarationNavigator.GetByNameIdentifier(identifier) ??
ConstructorDeclarationNavigator.GetByTypeName(identifier) ??
CSharpTypeDeclarationNavigator.GetByNameIdentifier(identifier) ??
EventDeclarationNavigator.GetByNameIdentifier(identifier) ??
ConstantDeclarationNavigator.GetByNameIdentifier(identifier) ??
VariableDeclarationNavigator.GetByNameIdentifier(identifier);
return(declarationUnderCaret?.DeclaredElement);
}
var predefinedTypeUsage = psiView.GetSelectedTreeNode <IPredefinedTypeUsage>();
return(predefinedTypeUsage?.ScalarPredefinedTypeName.Reference.Resolve().DeclaredElement);
}
private static MemberGenerationContext TryBuildMemberGenerationContext(
[NotNull] CSharpCodeCompletionContext context)
{
var identifier = context.TerminatedContext.TreeNode as ICSharpIdentifier;
if (identifier == null)
{
return(null);
}
// override int __
var fieldDeclaration = FieldDeclarationNavigator.GetByNameIdentifier(identifier);
if (fieldDeclaration != null)
{
var fieldTypeUsage =
fieldDeclaration.GetPreviousMeaningfulSiblingThroughWhitespaceAndComments() as ITypeUsage;
if (fieldTypeUsage == null)
{
return(null);
}
if (!CheckNodesBeforeTypeUsage(fieldTypeUsage, out var modifiersList))
{
return(null);
}
var memberReplaceRanges = ComputeMemberReplaceRanges(TreeOffset.InvalidOffset);
if (memberReplaceRanges == null)
{
return(null);
}
var typeDeclaration = GetPhysicalNonStaticTypeDeclaration();
if (typeDeclaration == null)
{
return(null);
}
if (modifiersList.ContainsPreprocessorDirectiveChildren())
{
return(null);
}
return(new MemberGenerationContext(typeDeclaration, modifiersList, fieldTypeUsage, memberReplaceRanges));
}
// override __;
var referenceName = ReferenceNameNavigator.GetByNameIdentifier(identifier);
var userTypeUsage = UserTypeUsageNavigator.GetByScalarTypeName(referenceName);
var methodDeclaration = MethodDeclarationNavigator.GetByTypeUsage(userTypeUsage);
if (methodDeclaration != null)
{
if (!CheckNodesBeforeTypeUsage(userTypeUsage, out var modifiersList))
{
return(null);
}
var methodStartRange =
context.TerminatedContext.ToOriginalTreeRange(
new TreeTextRange(methodDeclaration.GetTreeStartOffset()));
var memberReplaceRanges = ComputeMemberReplaceRanges(methodStartRange.StartOffset);
if (memberReplaceRanges == null)
{
return(null);
}
var typeDeclaration = GetPhysicalNonStaticTypeDeclaration();
if (typeDeclaration == null)
{
return(null);
}
if (modifiersList.ContainsPreprocessorDirectiveChildren())
{
return(null);
}
return(new MemberGenerationContext(typeDeclaration, modifiersList, expectedReturnTypeUsage: null,
memberReplaceRanges));
}
return(null);
bool CheckNodesBeforeTypeUsage(ITypeUsage typeUsage, out IModifiersList modifiersList)
{
var previousSibling = typeUsage.GetPreviousMeaningfulSiblingThroughWhitespaceAndComments();
modifiersList = previousSibling as IModifiersList;
if (previousSibling is IModifiersList)
{
previousSibling = previousSibling.GetPreviousMeaningfulSiblingThroughWhitespaceAndComments();
}
if (previousSibling is IAttributeSectionList)
{
previousSibling = previousSibling.GetPreviousMeaningfulSiblingThroughWhitespaceAndComments();
}
if (previousSibling is IDocCommentBlock)
{
previousSibling = previousSibling.GetPreviousMeaningfulSiblingThroughWhitespaceAndComments();
}
return(previousSibling == null);
}
bool IsDeclarationToReplace(ITreeNode declaration)
{
switch (declaration)
{
case IMultipleFieldDeclaration _:
case IMethodDeclaration _:
case IPropertyDeclaration _:
case IIndexerDeclaration _:
return(true);
default:
return(false);
}
}
TextLookupRanges ComputeMemberReplaceRanges(TreeOffset startOffset)
{
foreach (var treeNode in context.NodeInFile.ContainingNodes(returnThis: true))
{
if (IsDeclarationToReplace(treeNode))
{
return(RangesForDeclaration(treeNode));
}
if (treeNode.IsFiltered())
{
var prevMeaningfulSibling = treeNode.GetPreviousMeaningfulSiblingThroughWhitespaceAndComments();
if (prevMeaningfulSibling != null &&
IsDeclarationToReplace(prevMeaningfulSibling) &&
(!startOffset.IsValid() || prevMeaningfulSibling.GetTreeStartOffset() >= startOffset))
{
return(RangesForDeclaration(prevMeaningfulSibling));
}
var nextMeaningfulSibling = treeNode.GetNextMeaningfulSibling();
if (nextMeaningfulSibling != null && IsDeclarationToReplace(nextMeaningfulSibling))
{
return(RangesForDeclaration(nextMeaningfulSibling));
}
}
if (treeNode is IFieldDeclaration field)
{
var range = context.CompletionRanges.ReplaceRange;
if (field.GetPreviousMeaningfulSibling() is ITypeUsage typeUsage)
{
range = range.SetStartTo(typeUsage.GetDocumentStartOffset());
}
return(new TextLookupRanges(range, range));
}
if (treeNode is ICSharpTypeMemberDeclaration)
{
return(context.CompletionRanges);
}
}
return(null);
TextLookupRanges RangesForDeclaration(ITreeNode treeNode)
{
var elementRange = ComputeReplaceRangeForDeclaration(treeNode);
if (!elementRange.IsValid())
{
return(null);
}
return(CodeCompletionContextProviderBase.GetTextLookupRanges(context.BasicContext, elementRange));
}
DocumentRange ComputeReplaceRangeForDeclaration(ITreeNode declaration)
{
var startOffsetRange = new DocumentRange(GetDeclarationStartDocumentOffset(declaration));
var selectedRange = context.BasicContext.SelectedRange;
var anchorDeclaration = GetAnchorDeclaration(declaration);
var elementRange = startOffsetRange.Join(selectedRange)
.JoinRight(new DocumentRange(anchorDeclaration.GetDocumentEndOffset()));
if (!elementRange.IsValid())
{
elementRange = startOffsetRange.Join(selectedRange);
}
if (!elementRange.IsValid())
{
return(DocumentRange.InvalidRange);
}
var anchorDeclarationNameRange = GetDeclarationNameRange(anchorDeclaration);
var declarationNameLine = anchorDeclarationNameRange.StartOffset.ToDocumentCoords().Line;
var selectionLine = selectedRange.EndOffset.ToDocumentCoords().Line;
if (declarationNameLine != selectionLine)
{
return(elementRange.SetEndTo(selectedRange.EndOffset));
}
return(elementRange);
}
DocumentOffset GetDeclarationStartDocumentOffset(ITreeNode declaration)
{
// note: do not include attributes into member range
var firstChild = declaration.GetNextMeaningfulChild(null);
if (firstChild is IDocCommentBlock)
{
firstChild = firstChild.GetNextMeaningfulSibling();
}
if (firstChild is IAttributeSectionList)
{
firstChild = firstChild.GetNextMeaningfulSibling();
}
return((firstChild ?? declaration).GetDocumentStartOffset());
}
ITreeNode GetAnchorDeclaration(ITreeNode declaration)
{
if (declaration is IMethodDeclaration unfinishedMethod &&
unfinishedMethod.NameIdentifier == null &&
unfinishedMethod.LPar == null &&
unfinishedMethod.ModifiersList == null &&
unfinishedMethod.TypeUsage != null)
{
var nextDeclaration = unfinishedMethod.GetNextMeaningfulSibling();
if (IsDeclarationToReplace(nextDeclaration))
{
return(nextDeclaration);
}
}
return(declaration);
}
DocumentRange GetDeclarationNameRange(ITreeNode declaration)
{
switch (declaration)
{
case IMultipleFieldDeclaration fieldDecl:
return(fieldDecl.DeclaratorsEnumerable.FirstOrDefault().GetDocumentRange());
case IDeclaration decl:
return(decl.GetNameDocumentRange());
default:
return(declaration.GetDocumentRange());
}
}
}
ITypeDeclaration GetPhysicalNonStaticTypeDeclaration()
{
foreach (var typeDeclaration in context.NodeInFile.ContainingNodes <ITypeDeclaration>())
{
if (typeDeclaration.GetNameRange().EndOffset > context.BasicContext.CaretTreeOffset)
{
continue;
}
switch (typeDeclaration)
{
case IClassDeclaration classDeclaration when !classDeclaration.IsStatic:
return(classDeclaration);
case IStructDeclaration structDeclaration:
return(structDeclaration);
default:
return(null);
}
}
return(null);
}
}
