ocaml/utils/build_path_prefix_map.mli

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(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Gabriel Scherer, projet Parsifal, INRIA Saclay *)
(* *)
(* Copyright 2017 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
(** Rewrite paths for reproducible builds
{b Warning:} this module is unstable and part of
{{!Compiler-libs}compiler-libs}.
*)
type path = string
type path_prefix = string
type error_message = string
val encode_prefix : path_prefix -> string
val decode_prefix : string -> (path_prefix, error_message) result
type pair = { target: path_prefix; source : path_prefix }
val encode_pair : pair -> string
val decode_pair : string -> (pair, error_message) result
type map = pair option list
val encode_map : map -> string
val decode_map : string -> (map, error_message) result
val rewrite_opt : map -> path -> path option
(** [rewrite_opt map path] tries to find a source in [map]
that is a prefix of the input [path]. If it succeeds,
it replaces this prefix with the corresponding target.
If it fails, it just returns [None]. *)
val rewrite : map -> path -> path