md_line.pl -- Line-based parsing primitives.

Contains line-based parsing primitives.

 merge_lines(+Lines, -Codes) is det

Merges list of lines into a flat code list.

 indent// is semidet

Recognizes normal indent which is a tab or 4 spaces.

 non_empty_line(-Codes)// is semidet

Single non-empty line ending with newline or end-of-stream.

 discard_to_line_end// is det

Discards zero or more symbol codes untill the first line end or eos is reached.

 empty_lines// is det

List of consequtive empty lines. Consumes as many empty lines as possible.

 empty_line// is semidet

Recognizes a single empty line.

 lookahead(?Code)// is semidet

Looks ahead a single symbol code.

 string_limit(-Codes, +Limit)// is multi

Same as string//1 but with a length limit.

 inline_string(-Codes)// is multi

Takes as few symbol codes as possible up to line end.

 lookahead_ln_or_eos// is semidet

Looks ahead a line end or end-of-stream. Puts back \n when a line end is recognized.

 lookahead_ln// is semidet

Looks ahead a line end. Puts back \n when it is recognized.

 ln_or_eos// is semidet

Recognizes either a line end or eos.

 ln// is semidet

Recognizes line ending.