MVELDataProvider dataProvider = new MVELDataProvider( unit,
context.getDialect().getId() );
from = new From( dataProvider );
MVELDialectRuntimeData data = (MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData( "mvel" );
data.addCompileable( from,
dataProvider );
dataProvider.compile( data );
} catch ( final Exception e ) {
DialectUtil.copyErrorLocation(e, fromDescr);