public override SyntaxList <StatementSyntax> VisitExitStatement(VBSyntax.ExitStatementSyntax node)
{
switch (VBasic.VisualBasicExtensions.Kind(node.BlockKeyword))
{
case VBasic.SyntaxKind.SubKeyword:
return(SingleStatement(SyntaxFactory.ReturnStatement()));
case VBasic.SyntaxKind.FunctionKeyword:
VBasic.VisualBasicSyntaxNode typeContainer = (VBasic.VisualBasicSyntaxNode)node.Ancestors().OfType <VBSyntax.LambdaExpressionSyntax>().FirstOrDefault()
?? node.Ancestors().OfType <VBSyntax.MethodBlockSyntax>().FirstOrDefault();
var info = typeContainer.TypeSwitch(
(VBSyntax.LambdaExpressionSyntax e) => _semanticModel.GetTypeInfo(e).Type.GetReturnType(),
(VBSyntax.MethodBlockSyntax e) => {
var type = (TypeSyntax)e.SubOrFunctionStatement.AsClause?.Type.Accept(_nodesVisitor) ?? SyntaxFactory.ParseTypeName("object");
return(_semanticModel.GetSymbolInfo(type).Symbol?.GetReturnType());
}
);
ExpressionSyntax expr;
if (HasReturnVariable)
{
expr = ReturnVariable;
}
else if (info == null)
{
expr = null;
}
else if (info.IsReferenceType)
{
expr = SyntaxFactory.LiteralExpression(SyntaxKind.NullLiteralExpression);
}
else if (info.CanBeReferencedByName)
{
expr = SyntaxFactory.DefaultExpression(SyntaxFactory.ParseTypeName(info.ToMinimalCSharpDisplayString(_semanticModel, node.SpanStart)));
}
else
{
throw new NotSupportedException();
}
return(SingleStatement(SyntaxFactory.ReturnStatement(expr)));
default:
return(SingleStatement(SyntaxFactory.BreakStatement()));
}
}
public override SyntaxList <StatementSyntax> VisitExitStatement(VBSyntax.ExitStatementSyntax node) => AddLocalVariables(node);
public override Task <SyntaxList <StatementSyntax> > VisitExitStatement(VBSyntax.ExitStatementSyntax node) => AddLocalVariablesAsync(node);
