Re: Printing comments with BooPrinterVisitor

On 9/10/05, Daniel Grunwald 
<daniel-c/LZLyLxtvmTUrhO6CyE8bNAH6kLmebB@xxxxxxxxxxxxxxxx> wrote:
>  I want to extend BooPrinterVisitor to print comments for the C# -> Boo
> conversion.
>  I have a list of comments with line+column number, and the comment text.
>  All nodes in the AST carry LexicalInfo representing the location of the
> node in the C# document.
>  So basically I want to intercept writing ANY node (or at least any
> statement) and print all comments up to the line of the statement.
>  My problem is: Do I really need to override all On...Statement methods?
>  It would be much easier if DepthFirstVisitor.Visit(INode) was virtual.
>  
>  So should I make DepthFirstVisitor.Visit virtual? Or override all
> ...Statement methods (with the risk that future statements are forgotten to
> be inserted)?
>  Or is there any other way?
>  

Use a DepthFirstTransformer and override OnNode.
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