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|
(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(** The type of token for the Coq lexer and parser *)
type t =
| KEYWORD of string
| PATTERNIDENT of string
| IDENT of string
| FIELD of string
| INT of string
| STRING of string
| LEFTQMARK
| BULLET of string
| QUOTATION of string * string
| EOI
val equal : t -> t -> bool
(* pass true for diff_mode *)
val extract_string : bool -> t -> string
val to_string : t -> string
(* Needed to fit Camlp5 signature *)
val print : Format.formatter -> t -> unit
val match_keyword : string -> t -> bool
(** Utility function for the test returned by a QUOTATION token:
It returns the delimiter parenthesis, if any, and the text
without delimiters. Eg `{{{ text }}}` -> Some '{', ` text ` *)
val trim_quotation : string -> char option * string
(** for camlp5,
eg GRAMMAR EXTEND ..... [ IDENT "x" -> .... END
is a pattern ("IDENT", Some "x")
*)
type pattern = string * string option (* = Plexing.pattern *)
val is_keyword : pattern -> (bool * string) option
val pattern_for_EOI : pattern
val pattern_for_KEYWORD : string -> pattern
val pattern_for_IDENT : string -> pattern
val match_pattern : pattern -> t -> string
|
