Re: [jflex-users] Newbie has problem with simple test

[Alan E. <el...@mi...>]

arnaud fausse wrote:
> The objective is to find the sequence "dn: " followed by a lowercase 
> alpha character in a text file.
>  
> Here is the status:
> - I have managed to write a lexical definition file that is processed by 
> JFlex with zero errors zero warnings
> - I wrote a java class (with main method) to scan a test file.
> No problem to compile
>  
> The problem is that there is no match and I get the error message:
> 
> File open OK
> 
> java.lang.Error: Error: could not match input

    The lexer wants to try and match *everything* it sees.  If it can't 
match everything, that is, if your file contains anything other than dn: 
followed by a lowercase alpha character, then it will give the above error.

    All you probably need is a rule that matches anything else.  This is 
achieved by putting this simple rule at the end of the file:

. { /* skip everything else */ }

    The period matches anything.

-- 

   Alan Eliasen                 | "Whenever you find you are on the side of
   el...@mi...       |  the majority, it is time to pause and
   http://futureboy.homeip.net/ |  reflect."  --Mark Twain