[linters] Log assert failures in the linters framework

Reviewed By: ddino

Differential Revision: D3937986

fbshipit-source-id: 0926d72

infer/src/clang/cFrontend_checkers_main.ml

@@ -80,16 +80,21 @@ let store_issues source_file =
   LintIssues.store_issues lint_issues_file !LintIssues.errLogMap
 
 let do_frontend_checks source_file ast =
-  Logging.out "Start linting file %s\n" (DB.source_file_to_string source_file);
-  match ast with
-  | Clang_ast_t.TranslationUnitDecl(_, decl_list, _, _) ->
-      let context = context_with_ck_set CLintersContext.empty decl_list in
-      let is_decl_allowed decl =
-        let decl_info = Clang_ast_proj.get_decl_tuple decl in
-        CLocation.should_do_frontend_check decl_info.Clang_ast_t.di_source_range in
-      let allowed_decls = IList.filter is_decl_allowed decl_list in
-      IList.iter (do_frontend_checks_decl context) allowed_decls;
-      if (LintIssues.exists_issues ()) then
-        store_issues source_file;
-      Logging.out "End linting file %s\n" (DB.source_file_to_string source_file)
-  | _ -> assert false (* NOTE: Assumes that an AST alsways starts with a TranslationUnitDecl *)
+  try
+    Logging.out "Start linting file %s\n" (DB.source_file_to_string source_file);
+    match ast with
+    | Clang_ast_t.TranslationUnitDecl(_, decl_list, _, _) ->
+        let context = context_with_ck_set CLintersContext.empty decl_list in
+        let is_decl_allowed decl =
+          let decl_info = Clang_ast_proj.get_decl_tuple decl in
+          CLocation.should_do_frontend_check decl_info.Clang_ast_t.di_source_range in
+        let allowed_decls = IList.filter is_decl_allowed decl_list in
+        IList.iter (do_frontend_checks_decl context) allowed_decls;
+        if (LintIssues.exists_issues ()) then
+          store_issues source_file;
+        Logging.out "End linting file %s\n" (DB.source_file_to_string source_file)
+    | _ -> assert false (* NOTE: Assumes that an AST alsways starts with a TranslationUnitDecl *)
+  with
+  | Assert_failure (file, line, column) ->
+      Logging.out "Fatal error: exception Assert_failure(%s, %d, %d)\n%!" file line column;
+      exit 1