suppress clang-tidy [google-explicit-constructor] in some cases where it is a false-positive

wjwwood · wjwwood · commit eb6bf7e2df0d · 2021-09-23T12:49:29.000-07:00
Signed-off-by: William Woodall &lt;william@osrfoundation.org&gt;
diff --git a/rclcpp/include/rclcpp/client.hpp b/rclcpp/include/rclcpp/client.hpp
@@ -61,6 +61,8 @@ struct FutureAndRequestId
   {}
 
   /// Allow implicit conversions to `std::future` by reference.
+  // intentionally allow implicit conversions
+  // NOLINTNEXTLINE(google-explicit-constructor)
   operator FutureT &() {return this->future;}
 
   /// Deprecated, use the `future` member variable instead.
@@ -69,6 +71,8 @@ struct FutureAndRequestId
    * \deprecated
    */
   [[deprecated("FutureAndRequestId: use .future instead of an implicit conversion")]]
+  // intentionally allow implicit conversions
+  // NOLINTNEXTLINE(google-explicit-constructor)
   operator FutureT() {return this->future;}
 
   // delegate future like methods in the std::future impl_
@@ -284,6 +288,8 @@ class Client : public ClientBase
      */
     [[deprecated(
       "FutureAndRequestId: use .future.share() instead of an implicit conversion")]]
+    // intentionally allow implicit conversions
+    // NOLINTNEXTLINE(google-explicit-constructor)
     operator SharedFuture() {return this->future.share();}
 
     // delegate future like methods in the std::future impl_
diff --git a/rclcpp/include/rclcpp/duration.hpp b/rclcpp/include/rclcpp/duration.hpp
@@ -51,13 +51,17 @@ class RCLCPP_PUBLIC Duration
   // This constructor matches any std::chrono value other than nanoseconds
   // intentionally not using explicit to create a conversion constructor
   template<class Rep, class Period>
+  // intentionally allow implicit conversions
   // cppcheck-suppress noExplicitConstructor
-  Duration(const std::chrono::duration<Rep, Period> & duration)  // NOLINT(runtime/explicit)
+  // NOLINTNEXTLINE(runtime/explicit, google-explicit-constructor)
+  Duration(const std::chrono::duration<Rep, Period> & duration)
   : Duration(std::chrono::duration_cast<std::chrono::nanoseconds>(duration))
   {}
 
+  // intentionally allow implicit conversions
   // cppcheck-suppress noExplicitConstructor
-  Duration(const builtin_interfaces::msg::Duration & duration_msg);  // NOLINT(runtime/explicit)
+  // NOLINTNEXTLINE(runtime/explicit, google-explicit-constructor)
+  Duration(const builtin_interfaces::msg::Duration & duration_msg);
 
   /// Time constructor
   /**
@@ -69,6 +73,8 @@ class RCLCPP_PUBLIC Duration
 
   virtual ~Duration() = default;
 
+  // intentionally allow implicit conversions
+  // NOLINTNEXTLINE(google-explicit-constructor)
   operator builtin_interfaces::msg::Duration() const;
 
   // cppcheck-suppress operatorEq // this is a false positive from cppcheck
diff --git a/rclcpp/include/rclcpp/loaned_message.hpp b/rclcpp/include/rclcpp/loaned_message.hpp
@@ -112,7 +112,9 @@ class LoanedMessage
   : LoanedMessage(*pub, *allocator)
   {}
 
-  /// Move semantic for RVO
+  /// Move constructor to support RVO.
+  // move constructors should not be explicit
+  // NOLINTNEXTLINE(google-explicit-constructor)
   LoanedMessage(LoanedMessage<MessageT> && other)
   : pub_(std::move(other.pub_)),
     message_(std::move(other.message_)),
diff --git a/rclcpp/include/rclcpp/message_info.hpp b/rclcpp/include/rclcpp/message_info.hpp
@@ -33,8 +33,10 @@ class RCLCPP_PUBLIC MessageInfo
   /**
    * \param[in] rmw_message_info message info to initialize the class
    */
+  // intentionally allow implicit conversions
   // cppcheck-suppress noExplicitConstructor
-  MessageInfo(const rmw_message_info_t & rmw_message_info);  // NOLINT(runtime/explicit)
+  // NOLINTNEXTLINE(runtime/explicit, google-explicit-constructor)
+  MessageInfo(const rmw_message_info_t & rmw_message_info);
 
   virtual ~MessageInfo();
 
diff --git a/rclcpp/include/rclcpp/qos.hpp b/rclcpp/include/rclcpp/qos.hpp
@@ -137,8 +137,10 @@ class RCLCPP_PUBLIC QoS
    *   with a Publisher, or how many messages can be queued before being replaced
    *   by a Subscription.
    */
+  // intentionally allow implicit conversions
   // cppcheck-suppress noExplicitConstructor
-  QoS(size_t history_depth);  // NOLINT(runtime/explicit): conversion constructor
+  // NOLINTNEXTLINE(runtime/explicit, google-explicit-constructor)
+  QoS(size_t history_depth);
 
   /// Return the rmw qos profile.
   rmw_qos_profile_t &
diff --git a/rclcpp/include/rclcpp/time.hpp b/rclcpp/include/rclcpp/time.hpp
@@ -64,6 +64,9 @@ class Time
    * \throws std::runtime_error if seconds are negative
    */
   RCLCPP_PUBLIC
+  // intentionally allow implicit conversions
+  // cppcheck-suppress noExplicitConstructor
+  // NOLINTNEXTLINE(google-explicit-constructor)
   Time(
     const builtin_interfaces::msg::Time & time_msg,
     rcl_clock_type_t clock_type = RCL_ROS_TIME);
@@ -81,6 +84,8 @@ class Time
 
   /// Return a builtin_interfaces::msg::Time object based
   RCLCPP_PUBLIC
+  // intentionally allow implicit conversions
+  // NOLINTNEXTLINE(google-explicit-constructor)
   operator builtin_interfaces::msg::Time() const;
 
   /**
