61 lines
2.2 KiB
OCaml
61 lines
2.2 KiB
OCaml
(****************************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* INRIA Rocquencourt *)
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(* *)
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(* Copyright 2006 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed under *)
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(* the terms of the GNU Library General Public License, with the special *)
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(* exception on linking described in LICENSE at the top of the Objective *)
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(* Caml source tree. *)
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(* *)
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(****************************************************************************)
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(* Authors:
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* - Nicolas Pouillard: initial version
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*)
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type stream_filter 'a 'loc = Stream.t ('a * 'loc) -> Stream.t ('a * 'loc);
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module type S = sig
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module Loc : Loc.S;
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type t = 'abstract;
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value to_string : t -> string;
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value print : Format.formatter -> t -> unit;
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value match_keyword : string -> t -> bool;
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value extract_string : t -> string;
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module Filter : sig
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type token_filter = stream_filter t Loc.t;
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type t = 'abstract;
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(** The given predicate function returns true if the given string
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is a keyword. This function can be used in filters to translate
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identifier tokens to keyword tokens. *)
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value mk : (string -> bool) -> t;
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value define_filter : t -> (token_filter -> token_filter) -> unit;
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value filter : t -> token_filter;
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(** Called by the grammar system when a keyword is used.
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The boolean argument is True when it's the first time that keyword
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is used. *)
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value keyword_added : t -> string -> bool -> unit;
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(** Called by the grammar system when a keyword is no longer used. *)
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value keyword_removed : t -> string -> unit;
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end;
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module Error : Error.S;
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end;
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