[linters] Fix unavailable api check to take the avaiability attribute into account when it's not the first one in the list.

Reviewed By: martinoluca

Differential Revision: D5292444

fbshipit-source-id: 620a855

infer/src/clang/cPredicates.ml

@@ -20,12 +20,12 @@ let get_available_attr_ios_sdk an =
   let rec get_available_attr attrs =
     match attrs with
     | [] -> None
-    | AvailabilityAttr attr_info :: _ ->
+    | AvailabilityAttr attr_info :: rest ->
         (match attr_info.ai_parameters with
          | "ios" :: version :: _ ->
              Some (String.Search_pattern.replace_all
                      (String.Search_pattern.create "_") ~in_:version ~with_:".")
-         | _ -> None)
+         | _ -> get_available_attr rest)
     | _ :: rest -> get_available_attr rest in
   match an with
   | Ctl_parser_types.Decl decl ->

infer/tests/codetoanalyze/objc/ioslints/issues.exp

@@ -5,3 +5,4 @@ codetoanalyze/objc/ioslints/unavailable_api_allowed_cases.m, Unavailable_api_all
 codetoanalyze/objc/ioslints/unavailable_api_allowed_cases.m, Unavailable_api_allowed_cases_without_responds_to_selector:, 64, UNAVAILABLE_API_IN_SUPPORTED_IOS_SDK, []
 codetoanalyze/objc/ioslints/unavailable_api_in_supported_ios_sdk.m, OpenURLOptionsFromSourceApplication, 26, UNAVAILABLE_API_IN_SUPPORTED_IOS_SDK, []
 codetoanalyze/objc/ioslints/unavailable_api_in_supported_ios_sdk.m, Unavailable_api_in_supported_ios_sdk_test:and:, 19, UNAVAILABLE_API_IN_SUPPORTED_IOS_SDK, []
+codetoanalyze/objc/ioslints/unavailable_property_ios.m, FNFPlayerLayer_initWithConfigs:, 22, UNAVAILABLE_API_IN_SUPPORTED_IOS_SDK, []

infer/tests/codetoanalyze/objc/ioslints/unavailable_property_ios.m

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2017 - present Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+#import <AVFoundation/AVFoundation.h>
+
+@interface FNFPlayerLayer : CAEAGLLayer
+
+- (instancetype)initWithConfigs:(FNFPlayerLayer*)configs;
+
+@end
+
+@implementation FNFPlayerLayer {
+  BOOL my_field;
+}
+
+- (instancetype)initWithConfigs:(FNFPlayerLayer*)configs {
+  my_field = configs.presentsWithTransaction;
+  return self;
+}
+
+@end