/// <param name="typeSyntax">The argument to typeof.</param>
/// <param name="allowedMap">
/// Keys are GenericNameSyntax nodes representing unbound generic types.
/// Values are false if the node should result in an error and true otherwise.
/// </param>
/// <param name="isUnboundGenericType">True if no constructed generic type was encountered.</param>
public static void Visit(ExpressionSyntax typeSyntax, out Dictionary<GenericNameSyntax, bool> allowedMap, out bool isUnboundGenericType)
{
OpenTypeVisitor visitor = new OpenTypeVisitor();
visitor.Visit(typeSyntax);
allowedMap = visitor.allowedMap;
isUnboundGenericType = visitor.seenGeneric && !visitor.seenConstructed;
}
/// <param name="typeSyntax">The argument to typeof.</param>
/// <param name="allowedMap">
/// Keys are GenericNameSyntax nodes representing unbound generic types.
/// Values are false if the node should result in an error and true otherwise.
/// </param>
/// <param name="isUnboundGenericType">True if no constructed generic type was encountered.</param>
public static void Visit(ExpressionSyntax typeSyntax, out Dictionary <GenericNameSyntax, bool> allowedMap, out bool isUnboundGenericType)
{
OpenTypeVisitor visitor = new OpenTypeVisitor();
visitor.Visit(typeSyntax);
allowedMap = visitor._allowedMap;
isUnboundGenericType = visitor._seenGeneric && !visitor._seenConstructed;
}
internal TypeofBinder(ExpressionSyntax typeExpression, Binder next)
// Unsafe types are not unsafe in typeof, so it is effectively an unsafe region.
// Since we only depend on existence of nameable members and nameof(x) produces a constant
// string expression usable in an early attribute, we use early attribute binding.
: base(next, next.Flags | BinderFlags.UnsafeRegion | BinderFlags.EarlyAttributeBinding)
{
OpenTypeVisitor.Visit(typeExpression, out this.allowedMap, out this.isTypeExpressionOpen);
}
internal TypeofBinder(ExpressionSyntax typeExpression, Binder next)
// Unsafe types are not unsafe in typeof, so it is effectively an unsafe region.
: base(next, next.Flags | BinderFlags.UnsafeRegion)
{
OpenTypeVisitor.Visit(typeExpression, out _allowedMap, out _isTypeExpressionOpen);
}