// NewEditor creates an Editor.
func NewEditor(file *os.File, sigs chan os.Signal, ev *eval.Evaler, st *store.Store) *Editor {
seq := -1
if st != nil {
var err error
seq, err = st.NextCmdSeq()
if err != nil {
// TODO(xiaq): Also report the error
seq = -1
}
}
ed := &Editor{
file: file,
writer: newWriter(file),
reader: NewReader(file),
sigs: sigs,
store: st,
evaler: ev,
cmdSeq: seq,
}
ev.AddModule("le", makeModule(ed))
return ed
}
