Alexsandro,
I don't know about Parsatron, but Parse-EZ (
https://github.com/protoflex/parse-ez) provides the 'line-pos" function
that returns [line# column#] vector.
Here is the equivalent code for your example using Parse-EZ:
------------
(use 'protoflex.parse)
(defn anbn []
(let [as (regex #"a+")
bs (string (apply str (repeat (count as) \b)))]
(str as bs)))
(defn xdny [] (regex #"xd+y"))
(defn pL [] (any anbn xdny))
------------
You can call your parse function pL through the parser entry function
"parse":
user=> (parse pL "xddy")
"xddy"
user=> (parse pL "aabb")
"aabb"
user=> (parse pL "aacc")
Parse Error (exception thrown)
Panduranga Adusumilli
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