Hi.
> I am still trying to understand the Parslet transformations.
>
> My rules are:
>
> Rule Factor2:
> @t.rule(:factor => simple(:str)) { str
> #Some code
> str
> }
> {:result=>{:term=>{:factor=>"a"@2, :plus=>"+ "@4, :term=>"b"@6}}}
>
>
> My question: "why does not :term=>{factor=>"a" being transformed in
> :term => "a" after firing the Factor2 rule?"
>
Because you asked to match a simple() thing, but in your parse tree, :factor
points to a subtree, not a simple scalar.
Something else that always trips me up is that sequence() only matches
arrays of simple things, not arrays that contain other sequences, or
subtrees.
HTH
ant
