internal static bool IsInMethodDeclaration(int position, AccessorDeclarationSyntax accessorDecl)
{
Debug.Assert(accessorDecl != null);
var body = accessorDecl.Body;
SyntaxToken lastToken = body == null ? accessorDecl.SemicolonToken : body.CloseBraceToken;
return IsBeforeToken(position, accessorDecl, lastToken);
}
public override void VisitAccessorDeclaration(Microsoft.CodeAnalysis.CSharp.Syntax.AccessorDeclarationSyntax node)
{
base.VisitAccessorDeclaration(node);
if (node.Body == null)
{
return;
}
VisitBody("Accessor", node.Keyword, node.Body, semanticModel.GetDeclaredSymbol(node.Parent.Parent), node.Kind());
}
private IFieldSymbol GetBackingFieldFromGetter(AccessorDeclarationSyntax getter)
{
if (getter.Body?.Statements.Count != 1) return null;
var statement = getter.Body.Statements.Single() as ReturnStatementSyntax;
if (statement?.Expression == null) return null;
return _semanticModel.GetSymbolInfo(statement.Expression).Symbol as IFieldSymbol;
}
/// <summary>
/// Called when the visitor visits a AccessorDeclarationSyntax node.
/// </summary>
public override void VisitAccessorDeclaration(AccessorDeclarationSyntax node)
{
if (node.Body == null)
{
_counter++;
}
base.VisitAccessorDeclaration(node);
}
public override void VisitAccessorDeclaration(AccessorDeclarationSyntax node)
{
if (!this.InsideFluentOrInitializerExample) return;
var syntaxNode = node?.ChildNodes()?.LastOrDefault()?.WithAdditionalAnnotations() as BlockSyntax;
if (syntaxNode == null) return;
var line = node.SyntaxTree.GetLineSpan(node.Span).StartLinePosition.Line;
var walker = new CodeWithDocumentationWalker(ClassDepth, line);
walker.VisitBlock(syntaxNode);
this.Blocks.AddRange(walker.Blocks);
}
protected IEnumerable<CodeAction> GetActions(Document document, SyntaxNode root, AccessorDeclarationSyntax node)
{
var propertyOrIndexerDeclaration = node.Ancestors().Where(n => n.GetType().Equals(typeof(PropertyDeclarationSyntax)) || n.GetType().Equals(typeof(IndexerDeclarationSyntax))).FirstOrDefault();
var nullableType = propertyOrIndexerDeclaration.ChildNodes().OfType<NullableTypeSyntax>().FirstOrDefault();
var objectType = propertyOrIndexerDeclaration.ChildNodes().OfType<IdentifierNameSyntax>().FirstOrDefault();
return GetActions(document, root, node, nullableType, objectType);
}
protected IEnumerable<CodeAction> GetActions(Document document, SyntaxNode root, MethodDeclarationSyntax methodNode, AccessorDeclarationSyntax getterNode)
{
if (methodNode != null)
return GetActions(document, root, methodNode);
if (getterNode != null)
return GetActions(document, root, getterNode);
return Enumerable.Empty<CodeAction>();
}
/// <summary>
/// Retrieves the get and set accessor declarations of the specified property.
/// Returns true if both get and set accessors exist; otherwise false.
/// </summary>
internal static bool TryGetAccessors(
PropertyDeclarationSyntax property,
out AccessorDeclarationSyntax getter,
out AccessorDeclarationSyntax setter)
{
var accessors = property.AccessorList.Accessors;
getter = accessors.FirstOrDefault(ad => ad.Kind() == SyntaxKind.GetAccessorDeclaration);
setter = accessors.FirstOrDefault(ad => ad.Kind() == SyntaxKind.SetAccessorDeclaration);
return accessors.Count == 2 && getter != null && setter != null;
}
static string GetMessageArgument(AccessorDeclarationSyntax node)
{
switch (node.Kind())
{
case SyntaxKind.SetAccessorDeclaration:
return GettextCatalog.GetString("setter");
case SyntaxKind.AddAccessorDeclaration:
return GettextCatalog.GetString("add accessor");
case SyntaxKind.RemoveAccessorDeclaration:
return GettextCatalog.GetString("remove accessor");
}
return null;
}
public override VisualBasicSyntaxNode VisitAccessorDeclaration(CSS.AccessorDeclarationSyntax node)
{
SyntaxKind blockKind;
AccessorStatementSyntax stmt;
EndBlockStatementSyntax endStmt;
SyntaxList <StatementSyntax> body = SyntaxFactory.List <StatementSyntax>();
if (node.Body != null)
{
body = SyntaxFactory.List(node.Body.Statements.SelectMany(s => s.Accept(new MethodBodyVisitor(semanticModel, this))));
}
var attributes = SyntaxFactory.List(node.AttributeLists.Select(a => (AttributeListSyntax)a.Accept(this)));
var modifiers = ConvertModifiers(node.Modifiers, TokenContext.Member);
var parent = (CSS.BasePropertyDeclarationSyntax)node.Parent.Parent;
ParameterSyntax valueParam;
switch (CS.CSharpExtensions.Kind(node))
{
case CS.SyntaxKind.GetAccessorDeclaration:
blockKind = SyntaxKind.GetAccessorBlock;
stmt = SyntaxFactory.GetAccessorStatement(attributes, modifiers, null);
endStmt = SyntaxFactory.EndGetStatement();
break;
case CS.SyntaxKind.SetAccessorDeclaration:
blockKind = SyntaxKind.SetAccessorBlock;
valueParam = SyntaxFactory.Parameter(SyntaxFactory.ModifiedIdentifier("value")).WithAsClause(SyntaxFactory.SimpleAsClause((TypeSyntax)parent.Type.Accept(this)));
stmt = SyntaxFactory.SetAccessorStatement(attributes, modifiers, SyntaxFactory.ParameterList(SyntaxFactory.SingletonSeparatedList(valueParam)));
endStmt = SyntaxFactory.EndSetStatement();
break;
case CS.SyntaxKind.AddAccessorDeclaration:
blockKind = SyntaxKind.AddHandlerAccessorBlock;
valueParam = SyntaxFactory.Parameter(SyntaxFactory.ModifiedIdentifier("value")).WithAsClause(SyntaxFactory.SimpleAsClause((TypeSyntax)parent.Type.Accept(this)));
stmt = SyntaxFactory.AddHandlerAccessorStatement(attributes, modifiers, SyntaxFactory.ParameterList(SyntaxFactory.SingletonSeparatedList(valueParam)));
endStmt = SyntaxFactory.EndAddHandlerStatement();
break;
case CS.SyntaxKind.RemoveAccessorDeclaration:
blockKind = SyntaxKind.RemoveHandlerAccessorBlock;
valueParam = SyntaxFactory.Parameter(SyntaxFactory.ModifiedIdentifier("value")).WithAsClause(SyntaxFactory.SimpleAsClause((TypeSyntax)parent.Type.Accept(this)));
stmt = SyntaxFactory.RemoveHandlerAccessorStatement(attributes, modifiers, SyntaxFactory.ParameterList(SyntaxFactory.SingletonSeparatedList(valueParam)));
endStmt = SyntaxFactory.EndRemoveHandlerStatement();
break;
default:
throw new NotSupportedException();
}
return(SyntaxFactory.AccessorBlock(blockKind, stmt, body, endStmt));
}
public override void VisitAccessorDeclaration(AccessorDeclarationSyntax node)
{
if (node.Body != null && node.Parent is BasePropertyDeclarationSyntax)
{
var z = model.GetDeclaredSymbol(node.Parent as PropertyDeclarationSyntax);
cb.AppendWithIndent(z.Type.ToCppType())
.Append(" ")
.Append(settings.GetPrefix)
.Append(z.Name)
.AppendLine("() const");
}
base.VisitAccessorDeclaration(node);
}
public static SourcePropertyAccessorSymbol CreateAccessorSymbol(
NamedTypeSymbol containingType,
SourcePropertySymbol property,
DeclarationModifiers propertyModifiers,
string propertyName,
AccessorDeclarationSyntax syntax,
PropertySymbol explicitlyImplementedPropertyOpt,
string aliasQualifierOpt,
bool isAutoPropertyAccessor,
DiagnosticBag diagnostics)
{
Debug.Assert(syntax.Kind == SyntaxKind.GetAccessorDeclaration || syntax.Kind == SyntaxKind.SetAccessorDeclaration);
bool isGetMethod = (syntax.Kind == SyntaxKind.GetAccessorDeclaration);
bool isWinMd = property.IsCompilationOutputWinMdObj();
string name;
ImmutableArray<MethodSymbol> explicitInterfaceImplementations;
if ((object)explicitlyImplementedPropertyOpt == null)
{
name = GetAccessorName(propertyName, isGetMethod, isWinMd);
explicitInterfaceImplementations = ImmutableArray<MethodSymbol>.Empty;
}
else
{
MethodSymbol implementedAccessor = isGetMethod ? explicitlyImplementedPropertyOpt.GetMethod : explicitlyImplementedPropertyOpt.SetMethod;
string accessorName = (object)implementedAccessor != null ? implementedAccessor.Name
: GetAccessorName(explicitlyImplementedPropertyOpt.MetadataName, isGetMethod, isWinMd); //Not name - could be indexer placeholder
name = ExplicitInterfaceHelpers.GetMemberName(accessorName, explicitlyImplementedPropertyOpt.ContainingType, aliasQualifierOpt);
explicitInterfaceImplementations =
(object)implementedAccessor == null ?
ImmutableArray<MethodSymbol>.Empty :
ImmutableArray.Create<MethodSymbol>(implementedAccessor);
}
var methodKind = isGetMethod ? MethodKind.PropertyGet : MethodKind.PropertySet;
return new SourcePropertyAccessorSymbol(
containingType,
name,
property,
propertyModifiers,
explicitInterfaceImplementations,
syntax.Keyword.GetLocation(),
syntax,
methodKind,
isAutoPropertyAccessor,
diagnostics);
}
static bool FindIssuesInAccessor(SemanticModel semanticModel, AccessorDeclarationSyntax accessor)
{
var body = accessor.Body;
if (!IsEligible(body))
return false;
if (body.Statements.Any())
{
var foundValueSymbol = semanticModel.LookupSymbols(body.Statements.First().SpanStart, null, "value").FirstOrDefault();
if (foundValueSymbol == null)
return false;
foreach (var valueRef in body.DescendantNodes().OfType<IdentifierNameSyntax>().Where(ins => ins.Identifier.ValueText == "value"))
{
var valueRefSymbol = semanticModel.GetSymbolInfo(valueRef).Symbol;
if (foundValueSymbol.Equals(valueRefSymbol))
return false;
}
}
return true;
}
public static SourcePropertyAccessorSymbol CreateAccessorSymbol(
NamedTypeSymbol containingType,
SourcePropertySymbol property,
DeclarationModifiers propertyModifiers,
string propertyName,
AccessorDeclarationSyntax syntax,
PropertySymbol explicitlyImplementedPropertyOpt,
string aliasQualifierOpt,
bool isAutoPropertyAccessor,
DiagnosticBag diagnostics)
{
Debug.Assert(syntax.Kind() == SyntaxKind.GetAccessorDeclaration || syntax.Kind() == SyntaxKind.SetAccessorDeclaration);
bool isGetMethod = (syntax.Kind() == SyntaxKind.GetAccessorDeclaration);
string name;
ImmutableArray<MethodSymbol> explicitInterfaceImplementations;
GetNameAndExplicitInterfaceImplementations(
explicitlyImplementedPropertyOpt,
propertyName,
property.IsCompilationOutputWinMdObj(),
aliasQualifierOpt,
isGetMethod,
out name,
out explicitInterfaceImplementations);
var methodKind = isGetMethod ? MethodKind.PropertyGet : MethodKind.PropertySet;
return new SourcePropertyAccessorSymbol(
containingType,
name,
property,
propertyModifiers,
explicitInterfaceImplementations,
syntax.Keyword.GetLocation(),
syntax,
methodKind,
isAutoPropertyAccessor,
diagnostics);
}
private static bool TryGetFieldFromGetter(AccessorDeclarationSyntax getter, SemanticModel semanticModel, out IFieldSymbol getterField)
{
getterField = null;
if (getter.Body == null ||
getter.Body.Statements.Count != 1)
{
return false;
}
var statement = getter.Body.Statements[0] as ReturnStatementSyntax;
if (statement == null ||
statement.Expression == null)
{
return false;
}
return TryGetField(statement.Expression, semanticModel.GetDeclaredSymbol(getter).ContainingType,
semanticModel, out getterField);
}
private static bool TryGetFieldFromSetter(AccessorDeclarationSyntax setter, SemanticModel semanticModel, out IFieldSymbol setterField)
{
setterField = null;
if (setter.Body == null ||
setter.Body.Statements.Count != 1)
{
return false;
}
var statement = setter.Body.Statements[0] as ExpressionStatementSyntax;
var assignment = statement?.Expression as AssignmentExpressionSyntax;
if (assignment == null ||
!assignment.IsKind(SyntaxKind.SimpleAssignmentExpression))
{
return false;
}
var parameter = semanticModel.GetSymbolInfo(assignment.Right).Symbol as IParameterSymbol;
if (parameter == null ||
parameter.Name != "value" ||
!parameter.IsImplicitlyDeclared)
{
return false;
}
return TryGetField(assignment.Left, semanticModel.GetDeclaredSymbol(setter).ContainingType,
semanticModel, out setterField);
}
private static IEnumerable<SyntaxKind> GetModifierKinds(AccessorDeclarationSyntax accessor)
{
return accessor.Modifiers.Select(m => m.Kind());
}
private static bool IsMultiline(AccessorDeclarationSyntax accessorDeclaration)
{
var lineSpan = accessorDeclaration.GetLineSpan();
return lineSpan.StartLinePosition.Line != lineSpan.EndLinePosition.Line;
}
private DeclarationModifiers MakeModifiers(AccessorDeclarationSyntax syntax, Location location, DiagnosticBag diagnostics, out bool modifierErrors)
{
// No default accessibility. If unset, accessibility
// will be inherited from the property.
const DeclarationModifiers defaultAccess = DeclarationModifiers.None;
// Check that the set of modifiers is allowed
const DeclarationModifiers allowedModifiers = DeclarationModifiers.AccessibilityMask;
var mods = ModifierUtils.MakeAndCheckNontypeMemberModifiers(syntax.Modifiers, defaultAccess, allowedModifiers, location, diagnostics, out modifierErrors);
// For interface, check there are no accessibility modifiers.
// (This check is handled outside of MakeAndCheckModifiers
// since a distinct error message is reported for interfaces.)
if (this.ContainingType.IsInterface)
{
if ((mods & DeclarationModifiers.AccessibilityMask) != 0)
{
diagnostics.Add(ErrorCode.ERR_PropertyAccessModInInterface, location, this);
mods = (mods & ~DeclarationModifiers.AccessibilityMask);
}
}
return mods;
}
private string GetRemoveEventHandlerSignatureString(AccessorDeclarationSyntax accessor)
{
var syntax = (EventDeclarationSyntax)accessor.Parent.Parent;
var builder = new StringBuilder();
AppendMethodIdentifier(syntax, builder);
builder.Append(".remove");
AppendParameters(syntax, builder);
builder.Append(" : void");
return builder.ToString();
}
private SourcePropertyAccessorSymbol(
NamedTypeSymbol containingType,
string name,
SourcePropertySymbol property,
DeclarationModifiers propertyModifiers,
ImmutableArray<MethodSymbol> explicitInterfaceImplementations,
Location location,
AccessorDeclarationSyntax syntax,
MethodKind methodKind,
bool isAutoPropertyAccessor,
DiagnosticBag diagnostics) :
base(containingType, syntax.GetReference(), syntax.Body?.GetReference(), location)
{
_property = property;
_explicitInterfaceImplementations = explicitInterfaceImplementations;
_name = name;
_isAutoPropertyAccessor = isAutoPropertyAccessor;
bool modifierErrors;
var declarationModifiers = this.MakeModifiers(syntax, location, diagnostics, out modifierErrors);
// Include modifiers from the containing property.
propertyModifiers &= ~DeclarationModifiers.AccessibilityMask;
if ((declarationModifiers & DeclarationModifiers.Private) != 0)
{
// Private accessors cannot be virtual.
propertyModifiers &= ~DeclarationModifiers.Virtual;
}
declarationModifiers |= propertyModifiers & ~DeclarationModifiers.Indexer;
// ReturnsVoid property is overridden in this class so
// returnsVoid argument to MakeFlags is ignored.
this.MakeFlags(methodKind, declarationModifiers, returnsVoid: false, isExtensionMethod: false,
isMetadataVirtualIgnoringModifiers: explicitInterfaceImplementations.Any());
var bodyOpt = syntax.Body;
if (bodyOpt != null)
{
CheckModifiersForBody(location, diagnostics);
}
var info = ModifierUtils.CheckAccessibility(this.DeclarationModifiers);
if (info != null)
{
diagnostics.Add(info, location);
}
if (!modifierErrors)
{
this.CheckModifiers(location, isAutoPropertyAccessor, diagnostics);
}
if (this.IsOverride)
{
MethodSymbol overriddenMethod = this.OverriddenMethod;
if ((object)overriddenMethod != null)
{
// If this accessor is overriding a method from metadata, it is possible that
// the name of the overridden method doesn't follow the C# get_X/set_X pattern.
// We should copy the name so that the runtime will recognize this as an override.
_name = overriddenMethod.Name;
}
}
}
internal static bool IsInBody(int position, AccessorDeclarationSyntax method) => IsInBody(position, method.Body, method.GetExpressionBodySyntax(), method.SemicolonToken);
public AccessorBlockSyntax ConvertAccessor(CSS.AccessorDeclarationSyntax node, out bool isIterator, bool isAutoImplementedProperty = false)
{
SyntaxKind blockKind;
AccessorStatementSyntax stmt;
EndBlockStatementSyntax endStmt;
SyntaxList <StatementSyntax> body;
isIterator = false;
var accesorKind = CSharpExtensions.Kind(node);
var isIteratorState = new MethodBodyExecutableStatementVisitor(_semanticModel, _nodesVisitor, this);
body = ConvertBody(node.Body, node.ExpressionBody, accesorKind == CSSyntaxKind.GetAccessorDeclaration, isIteratorState);
isIterator = isIteratorState.IsIterator;
var attributes = SyntaxFactory.List(node.AttributeLists.Select(a => (AttributeListSyntax)a.Accept(_nodesVisitor)));
var modifiers = ConvertModifiers(node.Modifiers, TokenContext.Local);
var parent = (CSS.BasePropertyDeclarationSyntax)node.Parent.Parent;
Microsoft.CodeAnalysis.VisualBasic.Syntax.ParameterSyntax valueParam;
switch (accesorKind)
{
case CSSyntaxKind.GetAccessorDeclaration:
blockKind = SyntaxKind.GetAccessorBlock;
stmt = SyntaxFactory.GetAccessorStatement(attributes, modifiers, null);
endStmt = SyntaxFactory.EndGetStatement();
if (isAutoImplementedProperty)
{
body = body.Count > 0 ? body :
SyntaxFactory.SingletonList((StatementSyntax)SyntaxFactory.ReturnStatement(SyntaxFactory.IdentifierName(GetVbPropertyBackingFieldName(parent))));
}
break;
case CSSyntaxKind.SetAccessorDeclaration:
blockKind = SyntaxKind.SetAccessorBlock;
valueParam = SyntaxFactory.Parameter(SyntaxFactory.ModifiedIdentifier("value"))
.WithAsClause(SyntaxFactory.SimpleAsClause((TypeSyntax)parent.Type.Accept(_nodesVisitor, false)))
.WithModifiers(SyntaxFactory.TokenList(SyntaxFactory.Token(SyntaxKind.ByValKeyword)));
stmt = SyntaxFactory.SetAccessorStatement(attributes, modifiers, SyntaxFactory.ParameterList(SyntaxFactory.SingletonSeparatedList(valueParam)));
endStmt = SyntaxFactory.EndSetStatement();
if (isAutoImplementedProperty)
{
body = body.Count > 0 ? body :
SyntaxFactory.SingletonList((StatementSyntax)SyntaxFactory.AssignmentStatement(SyntaxKind.SimpleAssignmentStatement,
SyntaxFactory.IdentifierName(GetVbPropertyBackingFieldName(parent)),
SyntaxFactory.Token(VBUtil.GetExpressionOperatorTokenKind(SyntaxKind.SimpleAssignmentStatement)),
SyntaxFactory.IdentifierName("value")
));
}
break;
case CSSyntaxKind.AddAccessorDeclaration:
blockKind = SyntaxKind.AddHandlerAccessorBlock;
valueParam = SyntaxFactory.Parameter(SyntaxFactory.ModifiedIdentifier("value"))
.WithAsClause(SyntaxFactory.SimpleAsClause((TypeSyntax)parent.Type.Accept(_nodesVisitor, false)))
.WithModifiers(SyntaxFactory.TokenList(SyntaxFactory.Token(SyntaxKind.ByValKeyword)));
stmt = SyntaxFactory.AddHandlerAccessorStatement(attributes, modifiers, SyntaxFactory.ParameterList(SyntaxFactory.SingletonSeparatedList(valueParam)));
endStmt = SyntaxFactory.EndAddHandlerStatement();
break;
case CSSyntaxKind.RemoveAccessorDeclaration:
blockKind = SyntaxKind.RemoveHandlerAccessorBlock;
valueParam = SyntaxFactory.Parameter(SyntaxFactory.ModifiedIdentifier("value"))
.WithAsClause(SyntaxFactory.SimpleAsClause((TypeSyntax)parent.Type.Accept(_nodesVisitor, false)))
.WithModifiers(SyntaxFactory.TokenList(SyntaxFactory.Token(SyntaxKind.ByValKeyword)));
stmt = SyntaxFactory.RemoveHandlerAccessorStatement(attributes, modifiers, SyntaxFactory.ParameterList(SyntaxFactory.SingletonSeparatedList(valueParam)));
endStmt = SyntaxFactory.EndRemoveHandlerStatement();
break;
default:
throw new NotSupportedException();
}
return(SyntaxFactory.AccessorBlock(blockKind, stmt, body, endStmt).WithCsSourceMappingFrom(node));
}
/// <summary>
/// Given an syntax node that declares a property or member accessor, get the corresponding symbol.
/// </summary>
/// <param name="declarationSyntax">The syntax node that declares an accessor.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The symbol that was declared.</returns>
public override IMethodSymbol GetDeclaredSymbol(AccessorDeclarationSyntax declarationSyntax, CancellationToken cancellationToken = default(CancellationToken))
{
CheckSyntaxNode(declarationSyntax);
if (declarationSyntax.Kind() == SyntaxKind.UnknownAccessorDeclaration)
{
// this is not a real accessor, so we shouldn't return anything.
return null;
}
var propertyOrEventDecl = declarationSyntax.Parent.Parent;
switch (propertyOrEventDecl.Kind())
{
case SyntaxKind.PropertyDeclaration:
case SyntaxKind.IndexerDeclaration:
case SyntaxKind.EventDeclaration:
case SyntaxKind.EventFieldDeclaration:
// NOTE: it's an error for field-like events to have accessors,
// but we want to bind them anyway for error tolerance reasons.
var container = GetDeclaredTypeMemberContainer(propertyOrEventDecl);
Debug.Assert((object)container != null);
Debug.Assert(declarationSyntax.Keyword.Kind() != SyntaxKind.IdentifierToken);
return this.GetDeclaredMember(container, declarationSyntax.Span) as MethodSymbol;
default:
throw ExceptionUtilities.UnexpectedValue(propertyOrEventDecl.Kind());
}
}
internal override bool TryGetSpeculativeSemanticModelForMethodBodyCore(SyntaxTreeSemanticModel parentModel, int position, AccessorDeclarationSyntax accessor, out SemanticModel speculativeModel)
{
speculativeModel = null;
return false;
}
public override IMethodSymbol GetDeclaredSymbol(AccessorDeclarationSyntax declarationSyntax, CancellationToken cancellationToken = default(CancellationToken))
{
// Can't define accessor inside member.
return null;
}
// Create AccessorSymbol for AccessorDeclarationSyntax
private SourcePropertyAccessorSymbol CreateAccessorSymbol(AccessorDeclarationSyntax syntaxOpt,
PropertySymbol explicitlyImplementedPropertyOpt, string aliasQualifierOpt, bool isAutoPropertyAccessor, DiagnosticBag diagnostics)
{
if (syntaxOpt == null)
{
return null;
}
return SourcePropertyAccessorSymbol.CreateAccessorSymbol(_containingType, this, _modifiers, _sourceName, syntaxOpt,
explicitlyImplementedPropertyOpt, aliasQualifierOpt, isAutoPropertyAccessor, diagnostics);
}
public override void VisitAccessorDeclaration(AccessorDeclarationSyntax node)
{
VisitBlock(node.Body);
}
internal sealed override bool TryGetSpeculativeSemanticModelForMethodBodyCore(SyntaxTreeSemanticModel parentModel, int position, AccessorDeclarationSyntax accessor, out SemanticModel speculativeModel)
{
position = CheckAndAdjustPosition(position);
var model = this.GetMemberModel(position);
if (model != null)
{
return model.TryGetSpeculativeSemanticModelForMethodBodyCore(parentModel, position, accessor, out speculativeModel);
}
speculativeModel = null;
return false;
}
private void ClassifyUpdate(AccessorDeclarationSyntax oldNode, AccessorDeclarationSyntax newNode)
{
if (!SyntaxFactory.AreEquivalent(oldNode.Modifiers, newNode.Modifiers))
{
ReportError(RudeEditKind.ModifiersUpdate);
return;
}
if (oldNode.Kind() != newNode.Kind())
{
ReportError(RudeEditKind.AccessorKindUpdate);
return;
}
Debug.Assert(newNode.Parent is AccessorListSyntax);
Debug.Assert(newNode.Parent.Parent is BasePropertyDeclarationSyntax);
ClassifyMethodBodyRudeUpdate(
oldNode.Body,
newNode.Body,
containingMethodOpt: null,
containingType: (TypeDeclarationSyntax)newNode.Parent.Parent.Parent);
}
private void ClassifyAccessorInsert(AccessorDeclarationSyntax accessor)
{
var baseProperty = (BasePropertyDeclarationSyntax)accessor.Parent.Parent;
ClassifyModifiedMemberInsert(baseProperty.Modifiers);
}
private string GetPropertyGetterSignatureString(AccessorDeclarationSyntax syntax)
{
var propertyDeclarationSyntax = syntax.Parent.Parent as PropertyDeclarationSyntax;
var identifier = GetMethodIdentifier(propertyDeclarationSyntax) + ".get()";
var returnType = GetReturnType(propertyDeclarationSyntax);
return identifier + returnType;
}
internal override bool TryGetSpeculativeSemanticModelForMethodBodyCore(SyntaxTreeSemanticModel parentModel, int position, AccessorDeclarationSyntax accessor, out SemanticModel speculativeModel)
{
return GetSpeculativeSemanticModelForMethodBody(parentModel, position, accessor.Body, out speculativeModel);
}
private string GetPropertySetterSignatureString(AccessorDeclarationSyntax syntax)
{
var propertyDeclarationSyntax = syntax.Parent.Parent as PropertyDeclarationSyntax;
var identifier = GetMethodIdentifier(propertyDeclarationSyntax);
var parameters = GetParameters(propertyDeclarationSyntax);
return string.Format("{0}.set{1} : void", identifier, parameters);
}