// LuaOp uses go-lua to run a lua snippet on a list of values and return a single value.
// It makes the chrom, start, end, and values available to the lua interpreter.
func (s *Source) LuaOp(v interfaces.IVariant, code string, vals []interface{}) string {
value, err := s.Vm.Run(code, map[string]interface{}{
"chrom": v.Chrom(),
"start": v.Start(),
"stop": v.End(),
"ref": v.Ref(),
"alt": v.Alt(),
"vals": vals})
if err != nil {
log.Printf("ERROR in at %s:%d. %s\nvals:%+v", v.Chrom(), v.Start()+1, err, vals)
return fmt.Sprintf("err:%v", value)
}
return fmt.Sprintf("%v", value)
}
