public override BoundNode VisitSwitchOperator(BoundSwitchOperator node)
{
// TODO: Implement lowering for switch operator.
return(MakeLiteral(node.Syntax,
ConstantValue.Create($"CodeGen not yet implemented for: '{node.Syntax.ToString()}'"),
_compilation.GetSpecialType(SpecialType.System_String)));
}
/// <summary>
/// Rewrite switch operator into nested conditional operators.
/// </summary>
public override BoundNode VisitSwitchOperator(BoundSwitchOperator node)
{
// just a fact, not a requirement (VisitExpression would have rewritten otherwise)
Debug.Assert(node.ConstantValue == null);
var rewrittenExpression = VisitExpression(node.Expression);
var rewrittenLabels = node.Labels.SelectAsArray(l => VisitExpression(l));
var rewrittenValues = node.Values.SelectAsArray(l => VisitExpression(l));
var rewrittenType = VisitType(node.Type);
var booleanType = _compilation.GetSpecialType(SpecialType.System_Boolean);
return(RewriteSwitchOperator(
node.Syntax,
rewrittenExpression,
rewrittenLabels,
rewrittenValues,
rewrittenType,
booleanType));
}
public override BoundNode VisitSwitchOperator(BoundSwitchOperator node)
{
// TODO: Implement flow analysis for switch operator.
return(null);
}
