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(*
* Copyright (c) 2009-2013, Monoidics ltd.
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*)
open! IStd
open Javalib_pack
module L = Logging
let models_jar = ref None
module StringHash = Caml.Hashtbl.Make (String)
let models_specs_filenames = StringHash.create 1
let models_classmap = ref JBasics.ClassMap.empty
let specs_file_extension = String.chop_prefix_exn ~prefix:"." Config.specs_files_suffix
let collect_specs_filenames jar_filename =
(* version of Javalib.get_class that does not spam stderr *)
let javalib_get_class = Utils.suppress_stderr2 Javalib.get_class in
let classpath = Javalib.class_path jar_filename in
let f classmap filename_with_extension =
match Filename.split_extension filename_with_extension with
| filename, Some extension when String.equal extension specs_file_extension ->
let proc_filename = Filename.basename filename in
StringHash.replace models_specs_filenames proc_filename () ;
classmap
| filename, Some extension when String.equal extension "class" -> (
let cn = JBasics.make_cn (String.map ~f:(function '/' -> '.' | c -> c) filename) in
try JBasics.ClassMap.add cn (javalib_get_class classpath cn) classmap
with JBasics.Class_structure_error _ -> classmap )
| _ ->
classmap
in
models_classmap :=
Utils.zip_fold_filenames ~init:JBasics.ClassMap.empty ~f ~zip_filename:jar_filename ;
Javalib.close_class_path classpath
let set_models ~jar_filename =
match !models_jar with
| None when match Sys.file_exists jar_filename with `Yes -> false | _ -> true ->
L.die InternalError "Java model file not found@."
| None ->
models_jar := Some jar_filename ;
collect_specs_filenames jar_filename
| Some filename when String.equal filename jar_filename ->
()
| Some filename ->
L.die InternalError "Asked to load a 2nd models jar (%s) when %s was loaded.@." jar_filename
filename
let is_model procname = StringHash.mem models_specs_filenames (Procname.to_filename procname)
let get_classmap () = !models_classmap