[config] Make Config.analyzer non-optional, with None = Some Infer

Reviewed By: akotulski

Differential Revision: D4137279

fbshipit-source-id: f11f92d

infer/src/backend/InferPrint.re

@@ -315,9 +315,15 @@ let should_report (issue_kind: Exceptions.err_kind) issue_type error_desc =>
   } else {
     let analyzer_is_whitelisted =
       switch Config.analyzer {
-      | Some (Checkers | Eradicate | Tracing) => true
-      | None
-      | Some (Capture | Compile | Crashcontext | Infer | Linters | Quandary) => false
+      | Checkers
+      | Eradicate
+      | Tracing => true
+      | Capture
+      | Compile
+      | Crashcontext
+      | Infer
+      | Linters
+      | Quandary => false
       };
     if analyzer_is_whitelisted {
       true
@@ -1426,11 +1432,7 @@ let pp_summary_and_issues formats_by_report_kind => {
   let pdflatex fname => ignore (Sys.command ("pdflatex " ^ fname));
   let stats = Stats.create ();
   let linereader = Printer.LineReader.create ();
-  let filters =
-    switch Config.analyzer {
-    | None => Inferconfig.do_not_filter
-    | Some analyzer => Inferconfig.create_filters analyzer
-    };
+  let filters = Inferconfig.create_filters Config.analyzer;
   let iterate_summaries = AnalysisResults.get_summary_iterator ();
   let top_proc = TopProcedures.create ();
   let top_proc_set = TopProcedures.top_set top_proc;

infer/src/backend/infer.ml

@@ -115,9 +115,9 @@ let capture build_cmd build_mode =
   run_command (
     infer_py ::
     Config.anon_args @
-    (match Config.analyzer with None -> [] | Some a ->
     ["--analyzer";
-         IList.assoc (=) a (IList.map (fun (n,a) -> (a,n)) Config.string_to_analyzer)]) @
+     IList.assoc (=) Config.analyzer
+       (IList.map (fun (n,a) -> (a,n)) Config.string_to_analyzer)] @
     (match Config.blacklist with
      | Some s when in_buck_mode && not (is_analyze_cmd build_cmd) -> ["--blacklist-regex"; s]
      | _ -> []) @
@@ -173,13 +173,13 @@ let analyze = function
         Config.print_usage_exit ()
       );
       (match Config.analyzer with
-       | None | Some (Infer | Eradicate | Checkers | Tracing | Crashcontext | Quandary) ->
+       | Infer | Eradicate | Checkers | Tracing | Crashcontext | Quandary ->
            (* Still handled by infer.py through capture function above *)
            ()
-       | Some Linters ->
+       | Linters ->
            (* Still handled by infer.py through capture function above *)
            ()
-       | Some (Capture | Compile) ->
+       | Capture | Compile ->
            (* Still handled by infer.py through capture function above *)
            ()
       )
@@ -187,7 +187,7 @@ let analyze = function
 let epilogue build_mode =
   if Config.is_originator then (
     StatsAggregator.generate_files () ;
-    if Config.analyzer = Some Config.Crashcontext then
+    if Config.analyzer = Config.Crashcontext then
       Crashcontext.crashcontext_epilogue ~in_buck_mode:(build_mode = Buck);
     if Config.fail_on_bug then
       fail_on_issue_epilogue ();

infer/src/base/Config.ml

@@ -1380,7 +1380,6 @@ and analysis_blacklist_files_containing_options =
 and analysis_suppress_errors_options =
   IList.map (fun (a, b) -> (a, !b)) analysis_suppress_errors_options
 and analysis_stops = !analysis_stops
-and analyzer = !analyzer
 and angelic_execution = !angelic_execution
 and array_level = !array_level
 and ast_file = !ast_file
@@ -1535,17 +1534,19 @@ let clang_frontend_do_capture, clang_frontend_do_lint =
   | Some `Capture -> true, false (* capture, no lint *)
   | Some `Lint_and_capture -> true, true (* capture, lint *)
   | None ->
-      match analyzer with
+      match !analyzer with
       | Some Linters -> false, true (* no capture, lint *)
       | Some Infer -> true, false (* capture, no lint *)
       | _ -> true, true (* capture, lint *)
 
+let analyzer = match !analyzer with Some a -> a | None -> Infer
+
 let clang_frontend_action_string =
   String.concat " and "
     ((if clang_frontend_do_capture then ["translating"] else [])
      @ (if clang_frontend_do_lint then ["linting"] else []))
 
-let dynamic_dispatch = if analyzer = Some Tracing then `Lazy else !dynamic_dispatch
+let dynamic_dispatch = if analyzer = Tracing then `Lazy else !dynamic_dispatch
 
 let patterns_suppress_warnings =
   let error msg =

infer/src/base/Config.mli

@@ -137,7 +137,7 @@ val analysis_path_regex_blacklist : analyzer -> string list
 val analysis_blacklist_files_containing : analyzer -> string list
 val analysis_stops : bool
 val analysis_suppress_errors : analyzer -> string list
-val analyzer : analyzer option
+val analyzer : analyzer
 val angelic_execution : bool
 val array_level : int
 val ast_file : string option

infer/src/clang/Capture.re

@@ -168,7 +168,7 @@ let cc1_capture clang_cmd => {
     filename_to_absolute orig_argv.(Array.length orig_argv - 1)
   };
   Logging.out "@\n*** Beginning capture of file %s ***@\n" source_path;
-  if (Config.analyzer == Some Config.Compile || CLocation.is_file_blacklisted source_path) {
+  if (Config.analyzer == Config.Compile || CLocation.is_file_blacklisted source_path) {
     Logging.out "@\n Skip the analysis of source file %s@\n@\n" source_path;
     /* We still need to run clang, but we don't have to attach the plugin. */
     run_clang (ClangCommand.command_to_run clang_cmd) consume_in

infer/src/integration/CaptureCompilationDatabase.ml

@@ -13,7 +13,7 @@ module CLOpt = CommandLineOption
 module F = Format
 
 let capture_text =
-  if Config.analyzer = Some Config.Linters then "linting"
+  if Config.analyzer = Config.Linters then "linting"
   else "translating"
 
 let replace_header_file_with_source_file file_path =