o the next transition matched.
Accumulate the results returned by the transition methods in a list.
Run the end-of-file transition. Finally, return the accumulated
results.

Parameters:

- `input_lines`: a list of strings without newlines, or `StringList`.
- `input_offset`: the line offset of `input_lines` from the beginning
  of the file.
- `context`: application-specific storage.
- `input_source`: name or path of source of `input_lines`.
- `initial_state`: name of initial state.
)