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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \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 'c p =
| PKEYWORD : string -> string p
| PPATTERNIDENT : string option -> string p
| PIDENT : string option -> string p
| PFIELD : string option -> string p
| PNUMBER : NumTok.Unsigned.t option -> NumTok.Unsigned.t p
| PSTRING : string option -> string p
| PLEFTQMARK : unit p
| PBULLET : string option -> string p
| PQUOTATION : string -> string p
| PEOI : unit p
val pattern_strings : 'c p -> string * string option
type t =
| KEYWORD of string
| PATTERNIDENT of string
| IDENT of string
| FIELD of string
| NUMBER of NumTok.Unsigned.t
| STRING of string
| LEFTQMARK
| BULLET of string
| QUOTATION of string * string
| EOI
val equal_p : 'a p -> 'b p -> ('a, 'b) Util.eq option
val equal : t -> t -> bool
(* pass true for diff_mode *)
val extract_string : bool -> t -> string
(** 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 (PIDENT (Some "x"))
*)
val match_pattern : 'c p -> t -> 'c
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