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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) *)
(************************************************************************)
(* diff options *)
(** Name of Diffs option *)
val opt_name : string list
(** Returns true if the diffs option is "on" or "removed" *)
val show_diffs : unit -> bool
(** Returns true if the diffs option is "removed" *)
val show_removed : unit -> bool
(** controls whether color output is enabled *)
val write_color_enabled : bool -> unit
(** true indicates that color output is enabled *)
val color_enabled : unit -> bool
type diffOpt = DiffOff | DiffOn | DiffRemoved
val string_to_diffs : string -> diffOpt
type goal
val make_goal : Environ.env -> Evd.evar_map -> Evar.t -> goal
(** Computes the diff between the goals of two Proofs and returns
the highlighted lists of hypotheses and conclusions.
If the strings used to display the goal are not lexable (this is believed
unlikely), this routine will generate a Diff_Failure. This routine may also
raise Diff_Failure under some "impossible" conditions.
If you want to make your call especially bulletproof, catch these
exceptions, print a user-visible message, then recall this routine with
the second argument ('og_s') set to None, which will skip the diff.
The 'short' flag skips computing the diffs of the hypotheses, which allows the
Subgoals XML command to fetch just the conclusion of a goal. This is useful,
for example, when an IDE only needs to display the number of admitted goals or
preview the next unsolved goal.
*)
val diff_goal : ?short:bool -> ?og_s:goal -> goal -> Pp.t list * Pp.t
(** Convert a string to a list of token strings using the lexer *)
val tokenize_string : string -> string list
(** Computes diffs for a single conclusion *)
val diff_concl : ?og_s:goal -> goal -> Pp.t
type goal_map
(** Generates a map from [np] to [op] that maps changed goals to their prior
forms. The map doesn't include entries for unchanged goals; unchanged goals
will have the same goal id in both versions.
[op] and [np] must be from the same proof document and [op] must be for a state
before [np]. *)
val make_goal_map : Proof.t -> Proof.t -> goal_map
val map_goal : Evar.t -> goal_map -> goal option
(* Exposed for unit test, don't use these otherwise *)
(* output channel for the test log file *)
val log_out_ch : out_channel ref
type hyp_info = {
idents: string list;
rhs_pp: Pp.t;
}
val diff_hyps : string list list -> hyp_info CString.Map.t -> string list list -> hyp_info CString.Map.t -> Pp.t list
val diff_proofs : diff_opt:diffOpt -> ?old:Proof.t -> Proof.t -> Pp.t
val notify_proof_diff_failure : string -> unit
|
