Re: Evaluating script syntax

I wrote a plugin for jEdit to validate the current Beanshell buffer and this
is what I did:

try {
   for (Parser parser = new Parser(new StringReader(...)); !parser.Line();
parser.popNode());
  } catch (TokenMgrError e) {

    //
  } catch (ParseException e) {
     //
  }

On Wed, Aug 27, 2008 at 3:21 PM, Kirby Files <[email protected]> wrote:

> A really long time ago, I wrote code for the bsh v1.01 API which
> evaluated the syntax of a script without executing it. It went
> something like this:
>
>   StringReader in = new StringReader( script );
>   Interpreter parse = new Interpreter( in );
>   boolean eof = false;
>   while ( !(eof=parse.Line()) ) {}
>
>
> After upgrading to v1.3 (several years after the beanshell project
> became defunct), I found that there was no equivalent to
> Interpreter.Line(). Is there any way to achieve the same result with
> this API?
>
> The reason we do this is that BSH is the core of an online script
> editing framework. After an engineer edits a script and saves it, the
> script is immediately checked for correctness. If it fails to parse,
> the engineer is shown the offending line and given a chance to correct it.
>
> Without such a feature, we have to wait and test the script by
> executing it for real. This is significantly harder to debug,
> particularly since many scriptfiles can be assembled into a larger
> executable.
>
> Thanks,
>   --kirby files
>
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-- 
--
Gary

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