public override void OnAwaitExpression(AwaitExpression node)
{
var builder = new BoundSpillSequenceBuilder();
var replacement = VisitExpression(ref builder, node);
ReplaceCurrentNode(builder.Update(replacement));
}
public override BoundNode VisitAwaitExpression(BoundAwaitExpression node)
{
var builder = new BoundSpillSequenceBuilder();
var replacement = VisitExpression(ref builder, node);
return(builder.Update(replacement));
}
public override BoundNode VisitSpillSequence(BoundSpillSequence node)
{
var builder = new BoundSpillSequenceBuilder();
// Ensure later errors (e.g. in async rewriting) are associated with the correct node.
_F.Syntax = node.Syntax;
builder.AddStatements(VisitList(node.SideEffects));
builder.AddLocals(node.Locals);
var value = VisitExpression(ref builder, node.Value);
return(builder.Update(value));
}
private static Expression UpdateExpression(BoundSpillSequenceBuilder builder, Expression expression)
{
if (builder == null)
{
return(expression);
}
Debug.Assert(builder.Value == null);
if (!builder.HasLocals && !builder.HasStatements)
{
return(expression);
}
return(builder.Update(expression));
}
