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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 init_global_state source_file =
Language.curr_language := Language.Java ;
DB.Results_dir.init source_file ;
Ident.NameGenerator.reset () ;
JContext.reset_exn_node_table ()
let store_icfg source_file cfg =
SourceFiles.add source_file cfg Tenv.Global None ;
if Config.debug_mode || Config.frontend_tests then DotCfg.emit_frontend_cfg source_file cfg ;
()
(* Given a source file, its code is translated, and the call-graph, control-flow-graph and type *)
(* environment are obtained and saved. *)
let do_source_file program tenv source_basename package_opt source_file =
L.(debug Capture Medium) "@\nfilename: %a (%s)@." SourceFile.pp source_file source_basename ;
init_global_state source_file ;
let cfg = JFrontend.compute_source_icfg program tenv source_basename package_opt source_file in
store_icfg source_file cfg
let capture_libs program tenv =
let capture_class tenv cn node =
match node with
| Javalib.JInterface _ ->
()
| Javalib.JClass _ when JFrontend.is_classname_cached cn ->
()
| Javalib.JClass _ ->
let fake_source_file = SourceFile.from_abs_path (JFrontend.path_of_cached_classname cn) in
init_global_state fake_source_file ;
let cfg = JFrontend.compute_class_icfg fake_source_file program tenv node in
store_icfg fake_source_file cfg ;
JFrontend.cache_classname cn
in
JBasics.ClassMap.iter (capture_class tenv) (JProgramDesc.get_classmap program)
(* load a stored global tenv if the file is found, and create a new one otherwise *)
let load_tenv () =
match Tenv.load_global () with
| None ->
Tenv.create ()
| Some _ when Config.biabduction_models_mode ->
L.die InternalError "Unexpected global tenv file found in '%s' while generating the models"
(ResultsDir.get_path JavaGlobalTypeEnvironment)
| Some tenv ->
tenv
(** Store to a file the type environment containing all the types required to perform the analysis *)
let save_tenv tenv =
L.(debug Capture Medium) "writing new global tenv@." ;
Tenv.store_global tenv
let store_callee_attributes tenv program =
let f proc_name cn ms =
Option.iter
~f:(Attributes.store ~proc_desc:None)
(JTrans.create_callee_attributes tenv program cn ms proc_name)
in
JProgramDesc.iter_missing_callees program ~f
(* The program is loaded and translated *)
let do_all_files sources program =
let tenv = load_tenv () in
let skip source_file =
let is_path_matching path =
List.exists
~f:(fun pattern -> Str.string_match (Str.regexp pattern) path 0)
Config.skip_analysis_in_path
in
is_path_matching (SourceFile.to_rel_path source_file)
|| Inferconfig.skip_translation_matcher source_file Procname.empty_block
in
let translate_source_file basename package_opt source_file =
if not (skip source_file) then do_source_file program tenv basename package_opt source_file
in
String.Map.iteri
~f:(fun ~key:basename ~data:file_entry ->
match file_entry with
| JClasspath.Singleton source_file ->
translate_source_file basename None source_file
| JClasspath.Duplicate source_files ->
List.iter
~f:(fun (package, source_file) ->
translate_source_file basename (Some package) source_file )
source_files )
sources ;
if Config.dependency_mode then capture_libs program tenv ;
store_callee_attributes tenv program ;
save_tenv tenv ;
L.(debug Capture Quiet) "done capturing all files@."
(* loads the source files and translates them *)
let main load_sources_and_classes =
( match (Config.biabduction_models_mode, ISys.file_exists Config.biabduction_models_jar) with
| true, false ->
()
| false, false ->
L.(die UserError) "Java model file is required"
| true, true ->
L.(die UserError) "Not expecting model file when analyzing the models"
| false, true ->
JModels.load_models ~jar_filename:Config.biabduction_models_jar ) ;
JBasics.set_permissive true ;
JClasspath.with_classpath load_sources_and_classes ~f:(fun classpath ->
let program = JProgramDesc.load classpath in
do_all_files classpath.sources program )
let from_arguments path = main (JClasspath.FromArguments {path})
let from_verbose_out verbose_out_file = main (JClasspath.FromVerboseOut {verbose_out_file})