private static bool ShouldMethodBeExcluded(MethodStatementSyntax methodStatement, SemanticModel semanticModel)
{
if (methodStatement.Modifiers.Any(SyntaxKind.MustOverrideKeyword) ||
methodStatement.Modifiers.Any(SyntaxKind.OverridableKeyword))
{
return(true);
}
if (IsDllImport(methodStatement))
{
return(true);
}
var methodSymbol = semanticModel.GetDeclaredSymbol(methodStatement);
if (methodSymbol != null &&
methodSymbol.IsOverride &&
methodSymbol.OverriddenMethod != null &&
methodSymbol.OverriddenMethod.IsMustOverride())
{
return(true);
}
return(methodSymbol.IsOverrides() && semanticModel.Compilation.IsTest());
}
private async Task <Document> AddSealedKeywordAsync(Document document, MethodStatementSyntax methodDeclaration, CancellationToken cancellationToken)
{
var generator = SyntaxGenerator.GetGenerator(document);
DeclarationModifiers modifiers = DeclarationModifiers.None;
if (methodDeclaration.Modifiers.Any(SyntaxKind.NewKeyword))
{
modifiers |= DeclarationModifiers.New;
}
if (methodDeclaration.Modifiers.Any(SyntaxKind.OverridesKeyword))
{
modifiers |= DeclarationModifiers.Override;
}
modifiers |= DeclarationModifiers.Sealed;
var newMethodDeclaration = generator.WithModifiers(methodDeclaration, modifiers);
var oldRoot = await document.GetSyntaxRootAsync(cancellationToken);
var newRoot = oldRoot.ReplaceNode(methodDeclaration, newMethodDeclaration);
// Return document with transformed tree.
return(document.WithSyntaxRoot(newRoot));
}
public override void VisitMethodStatement(MethodStatementSyntax node)
{
//MethodNames.Add(node.ToString());
MethodNames.Add(node.Identifier.ToString());
base.VisitMethodStatement(node);
}
public override SyntaxNode VisitMethodStatement(MethodStatementSyntax node)
{
if (IsInterfaceMember(node))
{
return(node);
}
return(EnsureVisibility(node, node.Modifiers, (x, l) => x.WithModifiers(l), () => SyntaxKind.PublicKeyword));
}
public override void VisitMethodStatement(MethodStatementSyntax node)
{
if (_targetPatternRegEx.Match(node.Identifier.ToString()).Success)
{
RecordMatchAndContext(node, BlockType.None);
}
base.VisitMethodStatement(node);
}
internal static bool IsEventHandler(MethodStatementSyntax declaration, SemanticModel semanticModel)
{
if (declaration.HandlesClause != null)
{
return true;
}
var symbol = semanticModel.GetDeclaredSymbol(declaration);
return symbol != null &&
symbol.IsProbablyEventHandler();
}
internal static bool IsEventHandler(MethodStatementSyntax declaration, SemanticModel semanticModel)
{
if (declaration.HandlesClause != null)
{
return(true);
}
var symbol = semanticModel.GetDeclaredSymbol(declaration);
return(symbol != null &&
symbol.IsEventHandler());
}
private static bool IsDllImport(MethodStatementSyntax methodStatement) => methodStatement.AttributeLists
.SelectMany(list => list.Attributes)
.Any(a => a.Name.GetText().ToString().Equals("dllimport", System.StringComparison.OrdinalIgnoreCase));
static ExpressionSyntax GetDefaultValueExpression(SemanticModel semanticModel, MethodStatementSyntax methodStatement, TypeSyntax type)
{
var typeSymbol = semanticModel.GetTypeInfo(type).Type;
if (typeSymbol == null)
{
return(null);
}
if (typeSymbol.IsArrayType())
{
return(SyntaxFactory.ObjectCreationExpression(type));
}
if (typeSymbol.IsEnumType())
{
var members = type.GetMembers().OfType <EnumMemberDeclarationSyntax>();
if (!members.Any())
{
return(GetDefaultTypeExpression(type));
}
return(SyntaxFactory.MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression, SyntaxFactory.Token(SyntaxKind.DotToken), SyntaxFactory.IdentifierName(members.First().Identifier)));
}
if (typeSymbol.IsKind(SymbolKind.DynamicType))
{
return(GetNothingExpression());
}
if (typeSymbol.IsReferenceType)
{
if (typeSymbol.GetTypeParameters().Any() && (methodStatement.TypeParameterList != null) && methodStatement.TypeParameterList.Parameters.Any())
{
return(GetDefaultTypeExpression(type));
}
return(GetNothingExpression());
}
switch (typeSymbol.SpecialType)
{
case SpecialType.System_Boolean:
return(SyntaxFactory.FalseLiteralExpression(SyntaxFactory.Token(SyntaxKind.FalseKeyword)));
case SpecialType.System_Char:
return(SyntaxFactory.LiteralExpression(SyntaxKind.CharacterLiteralExpression, SyntaxFactory.Literal('\0')));
case SpecialType.System_SByte:
case SpecialType.System_Byte:
case SpecialType.System_Int16:
case SpecialType.System_UInt16:
case SpecialType.System_Int32:
case SpecialType.System_UInt32:
case SpecialType.System_Int64:
case SpecialType.System_UInt64:
case SpecialType.System_Single:
case SpecialType.System_Double:
case SpecialType.System_Decimal:
return(SyntaxFactory.LiteralExpression(SyntaxKind.NumericLiteralExpression, SyntaxFactory.Literal(0)));
}
if (typeSymbol.IsNullableType())
{
return(GetNothingExpression());
}
if (typeSymbol.IsValueType)
{
return(SyntaxFactory.ObjectCreationExpression(type));
}
return(GetDefaultTypeExpression(type));
}
// Interface のメソッドの時とか
// Windows API 系(DllImport)
public override void VisitMethodStatement(MethodStatementSyntax statementNode)
{
// VisitMethodBlock() から来た場合は、二重登録になってしまうので飛ばす
if (statementNode.Parent is MethodBlockSyntax)
{
base.VisitMethodStatement(statementNode);
return;
}
var isWinAPI = statementNode.AttributeLists.Any(x => x.ToString().Contains("DllImport"));
var isSubMethod = statementNode.ChildTokens().Any(x => x.Kind() == SyntaxKind.SubKeyword);
var isPartial = statementNode.ChildTokens().Any(x => x.Kind() == SyntaxKind.PartialKeyword);
var defineName = statementNode.ChildTokens().FirstOrDefault(x => x.Kind() == SyntaxKind.IdentifierToken).ToString();
// ジェネリック型を定義している場合
if (statementNode.ChildNodes().OfType <TypeParameterListSyntax>().Any())
{
var listNode = statementNode.ChildNodes().OfType <TypeParameterListSyntax>().FirstOrDefault();
var genericTypes = listNode
.ChildNodes()
.OfType <TypeParameterSyntax>()
.Select(x => x.ChildTokens().FirstOrDefault(y => y.Kind() == SyntaxKind.IdentifierToken).ToString());
defineName = $"{defineName}<{string.Join(", ", genericTypes)}>";
}
var methodArguments = new List <MethodArgument>();
if (statementNode.ChildNodes().OfType <ParameterListSyntax>().FirstOrDefault().ChildNodes().Any())
{
var listNode = statementNode.ChildNodes().OfType <ParameterListSyntax>().FirstOrDefault();
methodArguments = GetMethodArguments(listNode);
}
var returnType = string.Empty;
if (!isSubMethod)
{
var asNode = statementNode.ChildNodes().FirstOrDefault(x => x is SimpleAsClauseSyntax);
returnType = asNode.ChildNodes().FirstOrDefault().ToString();
}
var startLength = statementNode.Span.Start;
var endLength = statementNode.Span.End;
var parentNamespace = GetNamespace(DefineKinds.Method, startLength, endLength);
UserDefinitions.Add(new UserDefinition
{
DefineKinds = isWinAPI ? DefineKinds.WindowsAPI : DefineKinds.Method,
IsPartial = isPartial,
Namespace = parentNamespace,
DefineName = defineName,
DefineFullName = $"{parentNamespace}.{defineName}",
MethodArguments = methodArguments,
ReturnType = ConvertCSharpType(returnType),
SourceFile = SourceFile,
StartLength = startLength,
EndLength = endLength,
});
base.VisitMethodStatement(statementNode);
}
public override void VisitMethodStatement(MethodStatementSyntax node) => TryAddPublicApi(node);
