| phrase_from_file/2 | Process the content of File using the DCG rule Grammar. |
| phrase_from_file/3 | As phrase_from_file/2, providing additional Options. |
| phrase_from_stream/2 | Run Grammer against the character codes on Stream. |
| stream_to_lazy_list/2 | Create a lazy list representing the character codes in Stream. |
| lazy_list_character_count//1 | True when CharCount is the current character count in the Lazy list. |
| lazy_list_location//1 | Determine current (error) location in a lazy list. |
| syntax_error//1 | Throw the syntax error Error at the current location of the input. |