On 20/08/13 18:19, Niklas Broberg wrote:
> Sadly not - it's theoretically impossible. The fact that you can put
> comments literally wherever, means that it's impossible to treat them as
> nodes of the AST. E.g.
>
> f {- WHERE -} x = -- WOULD
> -- THESE
> do -- COMMENTS
> a {- END -} <- g x -- UP
> return {- ? -} a
Oh, I see what you mean.
I guess what I mean instead is:
* A lex list that contains *everything*, including comments and white space
* A full syntax tree of which each node points to (indexes) a position
in the lex list to get the precise original position; comments in
between two nodes can then be determined and more easily played with
because they are between their positions in the lex list
* An abstract syntax tree that has whitespace and comments discarded
(what HSE has now)
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