private static void CheckArrayInitializer([NotNull] IArrayInitializer arrayInitializer, [NotNull] IHighlightingConsumer consumer)
        {
            ITreeNode start = null, end = null;
            var       variableDeclaration = LocalVariableDeclarationNavigator.GetByInitial(arrayInitializer);

            if (variableDeclaration?.EquivalenceSign != null)
            {
                start = variableDeclaration.NameIdentifier;
                end   = variableDeclaration.EquivalenceSign;
            }
            else
            {
                var fieldDeclaration = FieldDeclarationNavigator.GetByInitial(arrayInitializer);
                if (fieldDeclaration?.EquivalenceSign != null)
                {
                    start = fieldDeclaration.NameIdentifier;
                    end   = fieldDeclaration.EquivalenceSign;
                }
            }

            if (start != null && end != null)
            {
                var endOffset     = end.GetDocumentEndOffset();
                var highlighting  = new ObjectAllocationEvidentHighlighting(arrayInitializer, "array instantiation");
                var documentRange = start.GetDocumentRange().SetEndTo(endOffset);

                consumer.AddHighlighting(highlighting, documentRange);
            }
        }
Beispiel #2
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        public RemoveReadonlyFromSerializedFieldQuickFix(RedundantSerializeFieldAttributeWarning highlighting)
        {
            myAttribute = highlighting.Attribute;
            var attributeSectionList = AttributeSectionListNavigator.GetByAttribute(myAttribute);

            myMultipleFieldDeclaration = MultipleFieldDeclarationNavigator.GetByAttributes(attributeSectionList);
            myFieldDeclarations        = FieldDeclarationNavigator.GetByAttribute(myAttribute);
        }
Beispiel #3
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        public static CompactList <IField> GetFieldsByAttribute(this IAttribute attribute)
        {
            var list = new CompactList <IField>();

            foreach (var fieldDeclaration in FieldDeclarationNavigator.GetByAttribute(attribute))
            {
                if (fieldDeclaration.DeclaredElement != null)
                {
                    list.Add(fieldDeclaration.DeclaredElement);
                }
            }
            foreach (var constantDeclaration in ConstantDeclarationNavigator.GetByAttribute(attribute))
            {
                if (constantDeclaration.DeclaredElement != null)
                {
                    list.Add(constantDeclaration.DeclaredElement);
                }
            }

            return(list);
        }
Beispiel #4
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        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);
        }
Beispiel #5
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        protected override void Analyze(IAttribute attribute, ElementProblemAnalyzerData data, IHighlightingConsumer consumer)
        {
            if (!(attribute.TypeReference?.Resolve().DeclaredElement is ITypeElement attributeTypeElement))
            {
                return;
            }

            if (!Equals(attributeTypeElement.GetClrName(), KnownTypes.SerializeField))
            {
                return;
            }

            var fieldDeclarations = FieldDeclarationNavigator.GetByAttribute(attribute);

            foreach (var fieldDeclaration in fieldDeclarations)
            {
                if (fieldDeclaration.DeclaredElement.HasAttributeInstance(PredefinedType.NONSERIALIZED_ATTRIBUTE_CLASS,
                                                                          false))
                {
                    consumer.AddHighlighting(new RedundantSerializeFieldAttributeWarning(attribute));
                    return;
                }
            }
        }
Beispiel #6
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        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);
            }
        }