SWI-Prolog -- phrase_from

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Predicate phrase_from_stream/2

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Documentation
- Reference manual
  - The SWI-Prolog library
    - library(pio): Pure I/O
      - library(pure_input): Pure Input from files and streams
        
        phrase_from_file/2
        
        phrase_from_file/3
        
        phrase_from_stream/2
        
        phrase_from_stream/3
        
        syntax_error//1
        
        lazy_list_location//1
        
        lazy_list_character_count//1
        
        stream_to_lazy_codes/2
        
        stream_to_lazy_chars/2
        
        stream_to_lazy_list/2
- Packages

Availability::- use_module(library(pure_input)).(can be autoloaded)

phrase_from_stream(:Grammar, +Stream)

phrase_from_stream(:Grammar, +Stream, +Options)

Run Grammer against the character codes on Stream. Stream must be buffered. Options:

as(Type): Where Type is one of codes (default) or chars. See also stream_to_lazy_codes/2 and stream_to_lazy_chars/2.

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Jan Wielemaker said (2017-03-11T15:51:38):

Recent versions of this library do not use repositioning but use non-backtrackable assignment to materialize the stream. Should work on any stream. You do run out of memory if the grammar does not commit.

Jan Wielemaker said (2015-08-20T11:30:29):

The stream must have the reposition property (see stream_property/2).

Douglas Miles said (2015-08-20T11:24:50):

current_input(In), phrase_from_stream(Grammar,In). I wonder if we can push back to stdin