public override object Visit (Mono.CSharpPs.LambdaExpression lambdaExpression)
{
var result = new LambdaExpression ();
var location = LocationsBag.GetLocations (lambdaExpression);
int l = 0;
if (lambdaExpression.IsAsync) {
result.IsAsync = true;
result.AddChild (new CSharpTokenNode (Convert (location [l++]), LambdaExpression.AsyncModifierRole), LambdaExpression.AsyncModifierRole);
}
if (location == null || location.Count == l + 1) {
if (lambdaExpression.Block != null)
AddParameter (result, lambdaExpression.Parameters);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location [l++]), LambdaExpression.ArrowRole), LambdaExpression.ArrowRole);
} else {
result.AddChild (new CSharpTokenNode (Convert (location [l++]), Roles.LPar), Roles.LPar);
if (lambdaExpression.Block != null)
AddParameter (result, lambdaExpression.Parameters);
if (location != null) {
result.AddChild (new CSharpTokenNode (Convert (location [l++]), Roles.RPar), Roles.RPar);
result.AddChild (new CSharpTokenNode (Convert (location [l++]), LambdaExpression.ArrowRole), LambdaExpression.ArrowRole);
}
}
if (lambdaExpression.Block != null) {
if (lambdaExpression.Block.IsCompilerGenerated) {
ContextualReturn generatedReturn = (ContextualReturn)lambdaExpression.Block.Statements [0];
result.AddChild ((AstNode)generatedReturn.Expr.Accept (this), LambdaExpression.BodyRole);
} else {
result.AddChild ((AstNode)lambdaExpression.Block.Accept (this), LambdaExpression.BodyRole);
}
}
return result;
}
public virtual object Visit (LambdaExpression lambdaExpression)
{
return null;
}