[antlr-interest] Exit Status from ANTLR

[Randall R Schulz]

On Monday 25 June 2007 14:03, Randall R Schulz wrote:
> ...
>
> For the moment, I'm just hacking around it with grep, though I don't
> think it handles all the possible error cases. As I encounter them,
> I'll just add them to the grep patterns.
>
> -==--==--==--==--==-buildParser-==--==--==--==--==-
> #!/bin/bash --norc
>
>
>   # Clean up old generated source and class files
>   # [ elided ]
>
>   # Run ANTLR
>   antlr "$@" CLIF.g >|CLIF-err 2>&1
>
>   if egrep -q '^(warning|error)' CLIF-err; then
>     cat CLIF-err
>   fi
>
>   if egrep -v -q '^error' CLIF-err; then
>     build CL
>   fi
> -==--==--==--==--==-buildParser-==--==--==--==--==-

Just in case anyone wants to follow this approach, two things:

1) the last clause should be this:

  if [ "$(egrep -L '^error' CLIF-err)" ] ; then
    build CL
  fi


2) The command "build CL" is actually an invocation of Ant.


> > cheers,
> > -k


Randall Schulz