Fix more build warnings (open-telemetry#1616) (open-telemetry#1620)

api/include/opentelemetry/context/runtime_context.h

@@ -18,7 +18,7 @@ class Token
 public:
   bool operator==(const Context &other) const noexcept { return context_ == other; }
 
-  ~Token();
+  ~Token() noexcept;
 
 private:
   friend class RuntimeContextStorage;

api/include/opentelemetry/logs/noop.h

@@ -49,6 +49,16 @@ class NoopLogger final : public Logger
            trace::TraceFlags /* trace_flags */,
            common::SystemTimestamp /* timestamp */) noexcept override
   {}
+
+  void Log(Severity /* severity */,
+           nostd::string_view /* name */,
+           nostd::string_view /* body */,
+           const common::KeyValueIterable & /* attributes */,
+           trace::TraceId /* trace_id */,
+           trace::SpanId /* span_id */,
+           trace::TraceFlags /* trace_flags */,
+           common::SystemTimestamp /* timestamp */) noexcept override
+  {}
 };
 
 /**

api/include/opentelemetry/metrics/async_instruments.h

@@ -15,6 +15,9 @@ using ObservableCallbackPtr = void (*)(ObserverResult, void *);
 class ObservableInstrument
 {
 public:
+  ObservableInstrument()          = default;
+  virtual ~ObservableInstrument() = default;
+
   /**
    * Sets up a function that will be called whenever a metric collection is initiated.
    */

api/include/opentelemetry/metrics/noop.h

@@ -58,6 +58,7 @@ class NoopUpDownCounter : public UpDownCounter<T>
                     nostd::string_view /* description */,
                     nostd::string_view /* unit */) noexcept
   {}
+  ~NoopUpDownCounter() = default;
   void Add(T /* value */) noexcept override {}
   void Add(T /* value */, const opentelemetry::context::Context & /* context */) noexcept override
   {}

api/include/opentelemetry/metrics/observer_result.h

@@ -24,6 +24,8 @@ class ObserverResultT
 {
 
 public:
+  virtual ~ObserverResultT() = default;
+
   virtual void Observe(T value) noexcept = 0;
 
   virtual void Observe(T value, const common::KeyValueIterable &attributes) noexcept = 0;

api/include/opentelemetry/metrics/sync_instruments.h

@@ -16,7 +16,11 @@ namespace metrics
 {
 
 class SynchronousInstrument
-{};
+{
+public:
+  SynchronousInstrument()          = default;
+  virtual ~SynchronousInstrument() = default;
+};
 
 template <class T>
 class Counter : public SynchronousInstrument

api/include/opentelemetry/nostd/detail/invoke.h

@@ -95,24 +95,25 @@ inline constexpr auto invoke_impl(R T::*f, Arg &&arg, Args &&... args)
 #endif
 }  // namespace detail
 
+/* clang-format off */
 template <typename F, typename... Args>
 inline constexpr auto invoke(F &&f, Args &&... args)
-    OPENTELEMETRY_RETURN(detail::invoke_impl(std::forward<F>(f), std::forward<Args>(args)...));
+    OPENTELEMETRY_RETURN(detail::invoke_impl(std::forward<F>(f), std::forward<Args>(args)...))
 
 namespace detail
+/* clang-format on */
 {
 
-template <typename Void, typename, typename...>
-struct invoke_result
-{};
+  template <typename Void, typename, typename...>
+  struct invoke_result
+  {};
 
-template <typename F, typename... Args>
-struct invoke_result<void_t<decltype(nostd::invoke(std::declval<F>(), std::declval<Args>()...))>,
-                     F,
-                     Args...>
-{
-  using type = decltype(nostd::invoke(std::declval<F>(), std::declval<Args>()...));
-};
+  template <typename F, typename... Args>
+  struct invoke_result<void_t<decltype(nostd::invoke(std::declval<F>(), std::declval<Args>()...))>,
+                       F, Args...>
+  {
+    using type = decltype(nostd::invoke(std::declval<F>(), std::declval<Args>()...));
+  };
 
 }  // namespace detail
 

api/include/opentelemetry/plugin/tracer.h

@@ -34,6 +34,12 @@ class Span final : public trace::Span
     span_->AddEvent(name, timestamp);
   }
 
+  void AddEvent(nostd::string_view name,
+                const common::KeyValueIterable &attributes) noexcept override
+  {
+    span_->AddEvent(name, attributes);
+  }
+
   void AddEvent(nostd::string_view name,
                 common::SystemTimestamp timestamp,
                 const common::KeyValueIterable &attributes) noexcept override

api/include/opentelemetry/trace/default_span.h

@@ -22,33 +22,34 @@ class DefaultSpan : public Span
   // Returns an invalid span.
   static DefaultSpan GetInvalid() { return DefaultSpan(SpanContext::GetInvalid()); }
 
-  trace::SpanContext GetContext() const noexcept { return span_context_; }
+  trace::SpanContext GetContext() const noexcept override { return span_context_; }
 
-  bool IsRecording() const noexcept { return false; }
+  bool IsRecording() const noexcept override { return false; }
 
   void SetAttribute(nostd::string_view /* key */,
-                    const common::AttributeValue & /* value */) noexcept
+                    const common::AttributeValue & /* value */) noexcept override
   {}
 
-  void AddEvent(nostd::string_view /* name */) noexcept {}
+  void AddEvent(nostd::string_view /* name */) noexcept override {}
 
-  void AddEvent(nostd::string_view /* name */, common::SystemTimestamp /* timestamp */) noexcept {}
+  void AddEvent(nostd::string_view /* name */,
+                common::SystemTimestamp /* timestamp */) noexcept override
+  {}
 
   void AddEvent(nostd::string_view /* name */,
-                common::SystemTimestamp /* timestamp */,
-                const common::KeyValueIterable & /* attributes */) noexcept
+                const common::KeyValueIterable & /* attributes */) noexcept override
   {}
 
-  void AddEvent(nostd::string_view name, const common::KeyValueIterable &attributes) noexcept
-  {
-    this->AddEvent(name, std::chrono::system_clock::now(), attributes);
-  }
+  void AddEvent(nostd::string_view /* name */,
+                common::SystemTimestamp /* timestamp */,
+                const common::KeyValueIterable & /* attributes */) noexcept override
+  {}
 
-  void SetStatus(StatusCode /* status */, nostd::string_view /* description */) noexcept {}
+  void SetStatus(StatusCode /* status */, nostd::string_view /* description */) noexcept override {}
 
-  void UpdateName(nostd::string_view /* name */) noexcept {}
+  void UpdateName(nostd::string_view /* name */) noexcept override {}
 
-  void End(const EndSpanOptions & /* options */ = {}) noexcept {}
+  void End(const EndSpanOptions & /* options */) noexcept override {}
 
   nostd::string_view ToString() const noexcept { return "DefaultSpan"; }
 

api/include/opentelemetry/trace/noop.h

@@ -49,6 +49,10 @@ class NoopSpan final : public Span
                 common::SystemTimestamp /*timestamp*/) noexcept override
   {}
 
+  void AddEvent(nostd::string_view /* name */,
+                const common::KeyValueIterable & /* attributes */) noexcept override
+  {}
+
   void AddEvent(nostd::string_view /*name*/,
                 common::SystemTimestamp /*timestamp*/,
                 const common::KeyValueIterable & /*attributes*/) noexcept override

api/test/logs/logger_test.cc

@@ -125,6 +125,16 @@ class TestLogger : public Logger
            trace::TraceFlags /* trace_flags */,
            common::SystemTimestamp /* timestamp */) noexcept override
   {}
+
+  void Log(Severity /* severity */,
+           nostd::string_view /* name */,
+           nostd::string_view /* body */,
+           const common::KeyValueIterable & /* attributes */,
+           trace::TraceId /* trace_id */,
+           trace::SpanId /* span_id */,
+           trace::TraceFlags /* trace_flags */,
+           common::SystemTimestamp /* timestamp */) noexcept override
+  {}
 };
 
 // Define a basic LoggerProvider class that returns an instance of the logger class defined above

exporters/memory/include/opentelemetry/exporters/memory/in_memory_span_exporter.h

@@ -86,7 +86,7 @@ class InMemorySpanExporter final : public opentelemetry::sdk::trace::SpanExporte
   std::shared_ptr<InMemorySpanData> data_;
   bool is_shutdown_ = false;
   mutable opentelemetry::common::SpinLockMutex lock_;
-  const bool isShutdown() const noexcept
+  bool isShutdown() const noexcept
   {
     const std::lock_guard<opentelemetry::common::SpinLockMutex> locked(lock_);
     return is_shutdown_;

ext/test/http/curl_http_test.cc

@@ -43,7 +43,7 @@ class CustomEventHandler : public http_client::EventHandler
         break;
     }
   }
-  virtual void OnConnecting(const http_client::SSLCertificate &) noexcept {}
+  virtual void OnConnecting(const http_client::SSLCertificate &) noexcept override {}
   virtual ~CustomEventHandler() = default;
   bool is_called_               = false;
   bool got_response_            = false;

ext/test/http/url_parser_test.cc

@@ -7,7 +7,7 @@
 
 namespace http_common = opentelemetry::ext::http::common;
 
-inline const char *const BoolToString(bool b)
+inline const char *BoolToString(bool b)
 {
   return b ? "true" : "false";
 }

sdk/include/opentelemetry/sdk/logs/log_record.h

@@ -177,7 +177,7 @@ class LogRecord final : public Recordable
    * @param instrumentation_scope the instrumentation scope to set
    */
   void SetInstrumentationScope(const opentelemetry::sdk::instrumentationscope::InstrumentationScope
-                                   &instrumentation_scope) noexcept
+                                   &instrumentation_scope) noexcept override
   {
     instrumentation_scope_ = &instrumentation_scope;
   }

sdk/include/opentelemetry/sdk/logs/logger.h

@@ -58,6 +58,19 @@ class Logger final : public opentelemetry::logs::Logger
            opentelemetry::trace::TraceFlags trace_flags,
            opentelemetry::common::SystemTimestamp timestamp) noexcept override;
 
+  // Deprecated
+  void Log(opentelemetry::logs::Severity severity,
+           nostd::string_view /* name */,
+           nostd::string_view body,
+           const opentelemetry::common::KeyValueIterable &attributes,
+           opentelemetry::trace::TraceId trace_id,
+           opentelemetry::trace::SpanId span_id,
+           opentelemetry::trace::TraceFlags trace_flags,
+           opentelemetry::common::SystemTimestamp timestamp) noexcept override
+  {
+    Log(severity, body, attributes, trace_id, span_id, trace_flags, timestamp);
+  }
+
   /** Returns the associated instrumentation scope */
   const opentelemetry::sdk::instrumentationscope::InstrumentationScope &GetInstrumentationScope()
       const noexcept;

sdk/include/opentelemetry/sdk/metrics/aggregation/default_aggregation.h

@@ -56,7 +56,7 @@ class DefaultAggregation
                    : std::move(std::unique_ptr<Aggregation>(new DoubleLastValueAggregation()));
         break;
       default:
-        return std::move(std::unique_ptr<Aggregation>(new DropAggregation()));
+        return std::unique_ptr<Aggregation>(new DropAggregation());
     };
   }
 
@@ -154,4 +154,4 @@ class DefaultAggregation
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
-#endif
+#endif

sdk/include/opentelemetry/sdk/metrics/observer_result.h

@@ -23,6 +23,8 @@ class ObserverResultT final : public opentelemetry::metrics::ObserverResultT<T>
       : attributes_processor_(attributes_processor)
   {}
 
+  virtual ~ObserverResultT() = default;
+
   void Observe(T value) noexcept override { data_.insert({{}, value}); }
 
   void Observe(T value, const opentelemetry::common::KeyValueIterable &attributes) noexcept override

sdk/include/opentelemetry/sdk/metrics/state/attributes_hashmap.h

@@ -72,7 +72,7 @@ class AttributesHashMap
       return it->second.get();
     }
 
-    hash_map_[attributes] = std::move(aggregation_callback());
+    hash_map_[attributes] = aggregation_callback();
     return hash_map_[attributes].get();
   }
 

sdk/include/opentelemetry/sdk/metrics/state/metric_collector.h

@@ -33,6 +33,8 @@ class MetricCollector : public MetricProducer, public CollectorHandle
 public:
   MetricCollector(MeterContext *context, std::unique_ptr<MetricReader> metric_reader);
 
+  virtual ~MetricCollector() = default;
+
   AggregationTemporality GetAggregationTemporality(
       InstrumentType instrument_type) noexcept override;
 

sdk/include/opentelemetry/sdk/metrics/state/metric_storage.h

@@ -54,6 +54,9 @@ class SyncWritableMetricStorage
 class AsyncWritableMetricStorage
 {
 public:
+  AsyncWritableMetricStorage()          = default;
+  virtual ~AsyncWritableMetricStorage() = default;
+
   /* Records a batch of measurements */
   virtual void RecordLong(
       const std::unordered_map<MetricAttributes, long, AttributeHashGenerator> &measurements,
@@ -81,7 +84,7 @@ class NoopMetricStorage : public MetricStorage
 class NoopWritableMetricStorage : public SyncWritableMetricStorage
 {
 public:
-  void RecordLong(long value, const opentelemetry::context::Context &context) noexcept = 0;
+  void RecordLong(long value, const opentelemetry::context::Context &context) noexcept override = 0;
 
   void RecordLong(long /* value */,
                   const opentelemetry::common::KeyValueIterable & /* attributes */,

sdk/include/opentelemetry/sdk/metrics/state/sync_metric_storage.h

@@ -41,8 +41,7 @@ class SyncMetricStorage : public MetricStorage, public SyncWritableMetricStorage
 
   {
     create_default_aggregation_ = [&]() -> std::unique_ptr<Aggregation> {
-      return std::move(
-          DefaultAggregation::CreateAggregation(aggregation_type_, instrument_descriptor_));
+      return DefaultAggregation::CreateAggregation(aggregation_type_, instrument_descriptor_);
     };
   }
 
@@ -123,4 +122,4 @@ class SyncMetricStorage : public MetricStorage, public SyncWritableMetricStorage
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
-#endif
+#endif

sdk/include/opentelemetry/sdk/metrics/view/instrument_selector.h

@@ -16,12 +16,12 @@ class InstrumentSelector
 public:
   InstrumentSelector(opentelemetry::sdk::metrics::InstrumentType instrument_type,
                      opentelemetry::nostd::string_view name)
-      : name_filter_{std::move(PredicateFactory::GetPredicate(name, PredicateType::kPattern))},
+      : name_filter_{PredicateFactory::GetPredicate(name, PredicateType::kPattern)},
         instrument_type_{instrument_type}
   {}
 
   // Returns name filter predicate. This shouldn't be deleted
-  const opentelemetry::sdk::metrics::Predicate *const GetNameFilter() { return name_filter_.get(); }
+  const opentelemetry::sdk::metrics::Predicate *GetNameFilter() const { return name_filter_.get(); }
 
   // Returns instrument filter.
   InstrumentType GetInstrumentType() { return instrument_type_; }
@@ -33,4 +33,4 @@ class InstrumentSelector
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
-#endif
+#endif

sdk/include/opentelemetry/sdk/metrics/view/meter_selector.h

@@ -16,22 +16,22 @@ class MeterSelector
   MeterSelector(opentelemetry::nostd::string_view name,
                 opentelemetry::nostd::string_view version,
                 opentelemetry::nostd::string_view schema)
-      : name_filter_{std::move(PredicateFactory::GetPredicate(name, PredicateType::kExact))},
-        version_filter_{std::move(PredicateFactory::GetPredicate(version, PredicateType::kExact))},
-        schema_filter_{std::move(PredicateFactory::GetPredicate(schema, PredicateType::kExact))}
+      : name_filter_{PredicateFactory::GetPredicate(name, PredicateType::kExact)},
+        version_filter_{PredicateFactory::GetPredicate(version, PredicateType::kExact)},
+        schema_filter_{PredicateFactory::GetPredicate(schema, PredicateType::kExact)}
   {}
 
   // Returns name filter predicate. This shouldn't be deleted
-  const opentelemetry::sdk::metrics::Predicate *const GetNameFilter() { return name_filter_.get(); }
+  const opentelemetry::sdk::metrics::Predicate *GetNameFilter() const { return name_filter_.get(); }
 
   // Returns version filter predicate. This shouldn't be deleted
-  const opentelemetry::sdk::metrics::Predicate *const GetVersionFilter()
+  const opentelemetry::sdk::metrics::Predicate *GetVersionFilter() const
   {
     return version_filter_.get();
   }
 
   // Returns schema filter predicate. This shouldn't be deleted
-  const opentelemetry::sdk::metrics::Predicate *const GetSchemaFilter()
+  const opentelemetry::sdk::metrics::Predicate *GetSchemaFilter() const
   {
     return schema_filter_.get();
   }
@@ -44,4 +44,4 @@ class MeterSelector
 }  // namespace metrics
 }  // namespace sdk
 OPENTELEMETRY_END_NAMESPACE
-#endif
+#endif