Initial commit 🎉

fbshipit-source-id: b6fc29740c6875d2e78953b8a7123890a67930f2
Co-authored-by: Sebastian McKenzie <sebmck@fb.com>
Co-authored-by: John Knox <jknox@fb.com>
Co-authored-by: Emil Sjölander <emilsj@fb.com>
Co-authored-by: Pritesh Nandgaonkar <prit91@fb.com>

iOS/SonarKit/CppBridge/SonarCppWrapperPlugin.h

@@ -0,0 +1,48 @@
+/*
+ *  Copyright (c) 2018-present, Facebook, Inc.
+ *
+ *  This source code is licensed under the MIT license found in the LICENSE
+ *  file in the root directory of this source tree.
+ *
+ */
+#ifndef __OBJC__
+#error This header can only be included in .mm (ObjC++) files
+#endif
+
+#import <Sonar/SonarPlugin.h>
+#import <SonarKit/SonarCppBridgingConnection.h>
+#import <SonarKit/SonarPlugin.h>
+
+namespace facebook {
+namespace sonar {
+
+using ObjCPlugin = NSObject<SonarPlugin> *;
+
+/**
+SonarCppWrapperPlugin is a simple C++ wrapper around Objective-C Sonar plugins
+that can be passed to SonarClient. This class allows developers to write pure
+Objective-C plugins if they want.
+*/
+class SonarCppWrapperPlugin final : public facebook::sonar::SonarPlugin {
+public:
+  // Under ARC copying objCPlugin *does* increment its retain count
+  SonarCppWrapperPlugin(ObjCPlugin objCPlugin) : _objCPlugin(objCPlugin) {}
+
+  std::string identifier() const override { return [[_objCPlugin identifier] UTF8String]; }
+
+  void didConnect(std::shared_ptr<facebook::sonar::SonarConnection> conn) override
+  {
+    SonarCppBridgingConnection *const bridgingConn = [[SonarCppBridgingConnection alloc] initWithCppConnection:conn];
+    [_objCPlugin didConnect:bridgingConn];
+  }
+
+  void didDisconnect() override { [_objCPlugin didDisconnect]; }
+
+  ObjCPlugin getObjCPlugin() { return _objCPlugin; }
+
+private:
+  ObjCPlugin _objCPlugin;
+};
+
+} // namespace sonar
+} // namespace facebook