public override void VisitPropertyDeclaration(PropertyDeclarationSyntax node)
{
if (node.Initializer != null)
{
var symbol = GetDeclaredSymbol(node);
UsedSymbols.Add(symbol);
StorePropertyAccess((IPropertySymbol)symbol, AccessorAccess.Set);
}
base.VisitPropertyDeclaration(node);
}
public override void VisitIdentifierName(IdentifierNameSyntax node)
{
var symbols = GetSymbols(node, IsKnownIdentifier).ToList();
UsedSymbols.UnionWith(symbols);
TryStorePropertyAccess(node, symbols);
base.VisitIdentifierName(node);
}
public override void VisitElementAccessExpression(ElementAccessExpressionSyntax node)
{
var symbols = GetSymbols(node, x => true).ToList();
UsedSymbols.UnionWith(symbols);
TryStorePropertyAccess(node, symbols);
base.VisitElementAccessExpression(node);
}
public override void VisitConstructorDeclaration(ConstructorDeclarationSyntax node)
{
// We are visiting a ctor with no initializer and the compiler will automatically
// call the default constructor of the type if declared, or the base type if the
// current type does not declare a default constructor.
if (node.Initializer == null)
{
var constructor = (IMethodSymbol)GetDeclaredSymbol(node);
var implicitlyCalledConstructor = GetImplicitlyCalledConstructor(constructor);
if (implicitlyCalledConstructor != null)
{
UsedSymbols.Add(implicitlyCalledConstructor);
}
}
base.VisitConstructorDeclaration(node);
}
// TupleExpression "(a, b) = qix"
// ParenthesizedVariableDesignation "var (a, b) = quix" inside a DeclarationExpression
public override void VisitAssignmentExpression(AssignmentExpressionSyntax node)
{
var leftTupleCount = GetTupleCount(node.Left);
if (leftTupleCount != 0)
{
var assignmentRight = node.Right;
var namedTypeSymbol = semanticModel.GetSymbolInfo(assignmentRight).Symbol?.GetSymbolType();
if (namedTypeSymbol != null)
{
var deconstructors = namedTypeSymbol.GetMembers("Deconstruct");
if (deconstructors.Length == 1)
{
UsedSymbols.Add(deconstructors.First());
}
else if (deconstructors.Length > 1 && FindDeconstructor(deconstructors, leftTupleCount) is {} deconstructor)
{
UsedSymbols.Add(deconstructor);
}
}
}
base.VisitAssignmentExpression(node);
public override void VisitConstructorInitializer(ConstructorInitializerSyntax node)
{
UsedSymbols.UnionWith(GetSymbols(node, x => true));
base.VisitConstructorInitializer(node);
}
public override void VisitGenericName(GenericNameSyntax node)
{
UsedSymbols.UnionWith(GetSymbols(node, IsKnownIdentifier));
base.VisitGenericName(node);
}
public override void VisitObjectCreationExpression(ObjectCreationExpressionSyntax node)
{
UsedSymbols.UnionWith(GetSymbols(node, x => true));
base.VisitObjectCreationExpression(node);
}
