[nullsafe] make eradicate an Intraprocedural.t

Summary: On our way to making nullsafe its own dune library.

Reviewed By: mityal

Differential Revision: D21351454

fbshipit-source-id: a630cff95

infer/src/absint/IntraproceduralAnalysis.ml

@@ -0,0 +1,10 @@
+(*
+ * 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
+
+type t = {proc_desc: Procdesc.t; tenv: Tenv.t; err_log: Errlog.t}

infer/src/absint/IntraproceduralAnalysis.mli

@@ -0,0 +1,12 @@
+(*
+ * 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
+
+(** a subset of {!InterproceduralAnalysis.t} that doesn't have any inter-procedural callbacks and
+    cannot read summaries *)
+type t = {proc_desc: Procdesc.t; tenv: Tenv.t; err_log: Errlog.t}

infer/src/checkers/registerCheckers.ml

@@ -62,6 +62,24 @@ let dynamic_dispatch payload_field checker =
   DynamicDispatch (proc_callback_of_interprocedural payload_field checker)
 
 
+let proc_callback_of_intraprocedural ?payload_field checker {Callbacks.summary; exe_env} =
+  let result =
+    checker
+      { IntraproceduralAnalysis.proc_desc= Summary.get_proc_desc summary
+      ; tenv= Exe_env.get_tenv exe_env (Summary.get_proc_name summary)
+      ; err_log= Summary.get_err_log summary }
+  in
+  match payload_field with
+  | None ->
+      summary
+  | Some payload_field ->
+      {summary with payloads= Field.fset payload_field summary.payloads result}
+
+
+let intraprocedural_with_payload payload_field checker =
+  Procedure (proc_callback_of_intraprocedural ~payload_field checker)
+
+
 type callback = callback_fun * Language.t
 
 type checker = {name: string; active: bool; callbacks: callback list}
@@ -150,7 +168,9 @@ let all_checkers =
     ; callbacks= [(Procedure InefficientKeysetIterator.checker, Language.Java)] }
   ; { name= "immutable cast"
     ; active= Config.is_checker_enabled ImmutableCast
-    ; callbacks= [(Procedure ImmutableChecker.callback_check_immutable_cast, Language.Java)] }
+    ; callbacks=
+        [ ( intraprocedural_with_payload Payloads.Fields.nullsafe ImmutableChecker.analyze
+          , Language.Java ) ] }
   ; { name= "fragment retains view"
     ; active= Config.is_checker_enabled FragmentRetainsView
     ; callbacks=
@@ -158,7 +178,8 @@ let all_checkers =
   ; { name= "eradicate"
     ; active= Config.is_checker_enabled Eradicate
     ; callbacks=
-        [ (Procedure Eradicate.proc_callback, Language.Java)
+        [ ( intraprocedural_with_payload Payloads.Fields.nullsafe Eradicate.analyze_procedure
+          , Language.Java )
         ; (File {callback= Eradicate.file_callback; issue_dir= NullsafeFileIssues}, Language.Java)
         ] }
   ; { name= "buffer overrun checker"

infer/src/nullsafe/eradicate.ml

@@ -10,12 +10,6 @@ module L = Logging
 module F = Format
 open Dataflow
 
-module Payload = SummaryPayload.Make (struct
-  type t = NullsafeSummary.t
-
-  let field = Payloads.Fields.nullsafe
-end)
-
 let callback1 tenv find_canonical_duplicate calls_this checks idenv curr_pname curr_pdesc
     annotated_signature linereader proc_loc : bool * TypeState.t option =
   let add_formal typestate (param_signature : AnnotatedSignature.param_signature) =
@@ -106,7 +100,7 @@ let callback1 tenv find_canonical_duplicate calls_this checks idenv curr_pname c
       (!calls_this, None)
 
 
-let analyze_procedure tenv proc_name proc_desc calls_this checks annotated_signature linereader
+let analyze_one_procedure tenv proc_name proc_desc calls_this checks annotated_signature linereader
     proc_loc : unit =
   let idenv = Idenv.create proc_desc in
   let find_duplicate_nodes = State.mk_find_duplicate_nodes proc_desc in
@@ -194,18 +188,16 @@ let find_reason_to_skip_analysis proc_name proc_desc =
 
 
 (** Entry point for the nullsafe procedure-level analysis. *)
-let callback checks {Callbacks.summary; exe_env} : Summary.t =
+let analyze checks {IntraproceduralAnalysis.proc_desc; tenv} : NullsafeSummary.t option =
-  let proc_desc = Summary.get_proc_desc summary in
   let proc_name = Procdesc.get_proc_name proc_desc in
   L.debug Analysis Medium "Analysis of %a@\n" Procname.pp proc_name ;
   match find_reason_to_skip_analysis proc_name proc_desc with
   | Some reason ->
       L.debug Analysis Medium "Skipping analysis: %s@\n" reason ;
-      summary
+      None
   | None ->
       (* start the analysis! *)
       let calls_this = ref false in
-      let tenv = Exe_env.get_tenv exe_env proc_name in
       let annotated_signature =
         AnnotatedSignature.get_for_class_under_analysis tenv (Procdesc.get_attributes proc_desc)
       in
@@ -218,24 +210,24 @@ let callback checks {Callbacks.summary; exe_env} : Summary.t =
       (* The main method - during this the actual analysis will happen and TypeErr will be populated with
          issues (and some of them - reported).
       *)
-      analyze_procedure tenv proc_name proc_desc calls_this checks annotated_signature linereader
+      analyze_one_procedure tenv proc_name proc_desc calls_this checks annotated_signature
-        loc ;
+        linereader loc ;
       (* Collect issues that were detected during analysis and put them in summary for further processing *)
       let issues = TypeErr.get_errors () |> List.map ~f:(fun (issues, _) -> issues) in
       (* Report errors of "farall" class - those could not be reported during analysis phase. *)
       TypeErr.report_forall_issues_and_reset
         (EradicateCheckers.report_error tenv)
         ~nullsafe_mode:annotated_signature.nullsafe_mode proc_desc ;
-      Payload.update_summary NullsafeSummary.{issues} summary
+      Some {NullsafeSummary.issues}
 
 
-let proc_callback =
+let analyze_procedure analysis_data =
   let checks = {TypeCheck.eradicate= true; check_ret_type= []} in
-  callback checks
+  analyze checks analysis_data
 
 
 let file_callback = FileLevelAnalysis.analyze_file
 
-let callback_check_return_type check_return_type callback_args =
+let analyze_for_immutable_cast_checker check_return_type analysis_data =
   let checks = {TypeCheck.eradicate= false; check_ret_type= [check_return_type]} in
-  callback checks callback_args
+  analyze checks analysis_data

infer/src/nullsafe/eradicate.mli

@@ -9,13 +9,14 @@ open! IStd
 
 (** The main entry point for Nullsafe typechecker. *)
 
-val proc_callback : Callbacks.proc_callback_t
+val analyze_procedure : IntraproceduralAnalysis.t -> NullsafeSummary.t option
 (** Proc-level callback for nullsafe. *)
 
 val file_callback : Callbacks.file_callback_t
 (** File-level callback for nullsafe. Is called after all proc-level callbacks are called and
     calculated their summaries *)
 
-val callback_check_return_type : TypeCheck.check_return_type -> Callbacks.proc_callback_t
+val analyze_for_immutable_cast_checker :
+  TypeCheck.check_return_type -> IntraproceduralAnalysis.t -> NullsafeSummary.t option
 (** For checkers that explore eradicate/nullsafe infra, but not part of nullsafe.Annot Call the
     given check_return_type at the end of every procedure. *)

infer/src/nullsafe/immutableChecker.ml

@@ -43,6 +43,5 @@ let check_immutable_cast tenv curr_pname curr_pdesc typ_expected typ_found_opt l
       ()
 
 
-let callback_check_immutable_cast ({Callbacks.exe_env; summary} as args) =
+let analyze ({IntraproceduralAnalysis.tenv} as analysis_data) =
-  let tenv = Exe_env.get_tenv exe_env (Summary.get_proc_name summary) in
+  Eradicate.analyze_for_immutable_cast_checker (check_immutable_cast tenv) analysis_data
-  Eradicate.callback_check_return_type (check_immutable_cast tenv) args

infer/src/nullsafe/immutableChecker.mli

@@ -7,4 +7,4 @@
 
 open! IStd
 
-val callback_check_immutable_cast : Callbacks.proc_callback_t
+val analyze : IntraproceduralAnalysis.t -> NullsafeSummary.t option