package pacomb

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Functions managing blanks

package pacomb

pacomb
- Pacomb
  - Assoc
  - Blank
  - Charset
  - Comb
  - Container
    
    Make
    
    T
    
    Param
    
    Ref
  - Grammar
  - Hashtbl_eq
  - Input
    
    Preprocessor
    
    Tbl
    
    WithPP
    
    PP
  - Keywords
    
    Make
    
    S
    
    Spec
  - Lex
  - Pos
  - Regexp
  - UnionFind
  - Utf8
  - Word_list

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type buf = Input.buffer

Position in a buffer is a Input.buffer together with an index Input.pos.

type pos = Input.pos

type blank = buf -> pos -> buf * pos

A blank function is just a function progressing in a buffer

type t = blank

Functions managing blanks

val none : blank

Use when you have no blank chars

val from_charset : Charset.t -> blank

Blank from a charset

val from_terminal : 'a Lex.t -> blank

Blank from a terminal

val line_comments : ?cs:Charset.t -> string -> blank

line_comments s Blank with standard spaces and line starting with s. cs defaults to Charset.from_string " \t\n\r"

type layout_config = {

old_blanks_before : bool;
(*
Ignoring blanks with the old blank function before parsing?
*)
new_blanks_before : bool;
(*
Then ignore blanks with the new blank function (before parsing)?
*)
new_blanks_after : bool;
(*
Use the new blank function one last time before resuming old layout?
*)
old_blanks_after : bool;
(*
Use then the old blank function one last time as well?
*)

}

val default_layout_config : layout_config

Default configuration, parsing with the old blanks before (i.e., the field old_blanks_before is true), and the new blanks after (i.e., the field old_blanks_after is also true). The other two fields are false.