F.2.32.1 library(pure_input)

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.