hi,
I don't know very much about internals or about how the parser works in
reality but something like this can be helpfull I think !! What I have in
mind ? Micro-perl-parser may be this is external interface (written in
perl).
rule:do {
/do/ and "{" call(token) and "}" and action
}
rule:t
> Is there any reasonable case where we would need to backtrack over
> successfully parsed source and redo the parsing? I'm not talking about the
> case where regular expressions run over text and ultimately fail, but
> rather cases where we need to chuck out part of what we have and restart?
]-
