update nlohmann::json to 3.10.4

external/json/CMakeLists.txt

@@ -4,7 +4,7 @@ cmake_minimum_required(VERSION 3.1)
 ## PROJECT
 ## name and version
 ##
-project(nlohmann_json VERSION 3.8.0 LANGUAGES CXX)
+project(nlohmann_json VERSION 3.10.4 LANGUAGES CXX)
 
 
 ##

external/json/LICENSE.MIT

@@ -0,0 +1,21 @@
+MIT License 
+
+Copyright (c) 2013-2021 Niels Lohmann
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

external/json/include/nlohmann/adl_serializer.hpp

@@ -1,14 +1,17 @@
 #pragma once
 
+#include <type_traits>
 #include <utility>
 
 #include <nlohmann/detail/conversions/from_json.hpp>
 #include <nlohmann/detail/conversions/to_json.hpp>
+#include <nlohmann/detail/meta/identity_tag.hpp>
+#include <nlohmann/detail/meta/type_traits.hpp>
 
 namespace nlohmann
 {
 
-template<typename, typename>
+template<typename ValueType, typename>
 struct adl_serializer
 {
     /*!
@@ -17,17 +20,39 @@ struct adl_serializer
     This function is usually called by the `get()` function of the
     @ref basic_json class (either explicit or via conversion operators).
 
+    @note This function is chosen for default-constructible value types.
+
     @param[in] j        JSON value to read from
     @param[in,out] val  value to write to
     */
-    template<typename BasicJsonType, typename ValueType>
+    template<typename BasicJsonType, typename TargetType = ValueType>
-    static auto from_json(BasicJsonType&& j, ValueType& val) noexcept(
+    static auto from_json(BasicJsonType && j, TargetType& val) noexcept(
         noexcept(::nlohmann::from_json(std::forward<BasicJsonType>(j), val)))
     -> decltype(::nlohmann::from_json(std::forward<BasicJsonType>(j), val), void())
     {
         ::nlohmann::from_json(std::forward<BasicJsonType>(j), val);
     }
 
+    /*!
+    @brief convert a JSON value to any value type
+
+    This function is usually called by the `get()` function of the
+    @ref basic_json class (either explicit or via conversion operators).
+
+    @note This function is chosen for value types which are not default-constructible.
+
+    @param[in] j  JSON value to read from
+
+    @return copy of the JSON value, converted to @a ValueType
+    */
+    template<typename BasicJsonType, typename TargetType = ValueType>
+    static auto from_json(BasicJsonType && j) noexcept(
+    noexcept(::nlohmann::from_json(std::forward<BasicJsonType>(j), detail::identity_tag<TargetType> {})))
+    -> decltype(::nlohmann::from_json(std::forward<BasicJsonType>(j), detail::identity_tag<TargetType> {}))
+    {
+        return ::nlohmann::from_json(std::forward<BasicJsonType>(j), detail::identity_tag<TargetType> {});
+    }
+
     /*!
     @brief convert any value type to a JSON value
 
@@ -37,13 +62,12 @@ struct adl_serializer
     @param[in,out] j  JSON value to write to
     @param[in] val    value to read from
     */
-    template<typename BasicJsonType, typename ValueType>
+    template<typename BasicJsonType, typename TargetType = ValueType>
-    static auto to_json(BasicJsonType& j, ValueType&& val) noexcept(
+    static auto to_json(BasicJsonType& j, TargetType && val) noexcept(
-        noexcept(::nlohmann::to_json(j, std::forward<ValueType>(val))))
+        noexcept(::nlohmann::to_json(j, std::forward<TargetType>(val))))
-    -> decltype(::nlohmann::to_json(j, std::forward<ValueType>(val)), void())
+    -> decltype(::nlohmann::to_json(j, std::forward<TargetType>(val)), void())
     {
-        ::nlohmann::to_json(j, std::forward<ValueType>(val));
+        ::nlohmann::to_json(j, std::forward<TargetType>(val));
     }
 };
-
 }  // namespace nlohmann

external/json/include/nlohmann/byte_container_with_subtype.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <cstdint> // uint8_t
+#include <cstdint> // uint8_t, uint64_t
 #include <tuple> // tie
 #include <utility> // move
 
@@ -18,7 +18,7 @@ order to override the binary type.
 @tparam BinaryType container to store bytes (`std::vector<std::uint8_t>` by
                    default)
 
-@since version 3.8.0
+@since version 3.8.0; changed type of subtypes to std::uint64_t in 3.10.0.
 */
 template<typename BinaryType>
 class byte_container_with_subtype : public BinaryType
@@ -26,6 +26,8 @@ class byte_container_with_subtype : public BinaryType
   public:
     /// the type of the underlying container
     using container_type = BinaryType;
+    /// the type of the subtype
+    using subtype_type = std::uint64_t;
 
     byte_container_with_subtype() noexcept(noexcept(container_type()))
         : container_type()
@@ -39,15 +41,15 @@ class byte_container_with_subtype : public BinaryType
         : container_type(std::move(b))
     {}
 
-    byte_container_with_subtype(const container_type& b, std::uint8_t subtype) noexcept(noexcept(container_type(b)))
+    byte_container_with_subtype(const container_type& b, subtype_type subtype_) noexcept(noexcept(container_type(b)))
         : container_type(b)
-        , m_subtype(subtype)
+        , m_subtype(subtype_)
         , m_has_subtype(true)
     {}
 
-    byte_container_with_subtype(container_type&& b, std::uint8_t subtype) noexcept(noexcept(container_type(std::move(b))))
+    byte_container_with_subtype(container_type&& b, subtype_type subtype_) noexcept(noexcept(container_type(std::move(b))))
         : container_type(std::move(b))
-        , m_subtype(subtype)
+        , m_subtype(subtype_)
         , m_has_subtype(true)
     {}
 
@@ -73,16 +75,16 @@ class byte_container_with_subtype : public BinaryType
     @exceptionsafety No-throw guarantee: this member function never throws
     exceptions.
 
-    @sa @ref subtype() -- return the binary subtype
+    @sa see @ref subtype() -- return the binary subtype
-    @sa @ref clear_subtype() -- clears the binary subtype
+    @sa see @ref clear_subtype() -- clears the binary subtype
-    @sa @ref has_subtype() -- returns whether or not the binary value has a
+    @sa see @ref has_subtype() -- returns whether or not the binary value has a
     subtype
 
     @since version 3.8.0
     */
-    void set_subtype(std::uint8_t subtype) noexcept
+    void set_subtype(subtype_type subtype_) noexcept
     {
-        m_subtype = subtype;
+        m_subtype = subtype_;
         m_has_subtype = true;
     }
 
@@ -90,7 +92,7 @@ class byte_container_with_subtype : public BinaryType
     @brief return the binary subtype
 
     Returns the numerical subtype of the value if it has a subtype. If it does
-    not have a subtype, this function will return size_t(-1) as a sentinel
+    not have a subtype, this function will return subtype_type(-1) as a sentinel
     value.
 
     @return the numerical subtype of the binary value
@@ -100,16 +102,17 @@ class byte_container_with_subtype : public BinaryType
     @exceptionsafety No-throw guarantee: this member function never throws
     exceptions.
 
-    @sa @ref set_subtype() -- sets the binary subtype
+    @sa see @ref set_subtype() -- sets the binary subtype
-    @sa @ref clear_subtype() -- clears the binary subtype
+    @sa see @ref clear_subtype() -- clears the binary subtype
-    @sa @ref has_subtype() -- returns whether or not the binary value has a
+    @sa see @ref has_subtype() -- returns whether or not the binary value has a
     subtype
 
-    @since version 3.8.0
+    @since version 3.8.0; fixed return value to properly return
+           subtype_type(-1) as documented in version 3.10.0
     */
-    constexpr std::uint8_t subtype() const noexcept
+    constexpr subtype_type subtype() const noexcept
     {
-        return m_subtype;
+        return m_has_subtype ? m_subtype : subtype_type(-1);
     }
 
     /*!
@@ -122,9 +125,9 @@ class byte_container_with_subtype : public BinaryType
     @exceptionsafety No-throw guarantee: this member function never throws
     exceptions.
 
-    @sa @ref subtype() -- return the binary subtype
+    @sa see @ref subtype() -- return the binary subtype
-    @sa @ref set_subtype() -- sets the binary subtype
+    @sa see @ref set_subtype() -- sets the binary subtype
-    @sa @ref clear_subtype() -- clears the binary subtype
+    @sa see @ref clear_subtype() -- clears the binary subtype
 
     @since version 3.8.0
     */
@@ -145,9 +148,9 @@ class byte_container_with_subtype : public BinaryType
     @exceptionsafety No-throw guarantee: this member function never throws
     exceptions.
 
-    @sa @ref subtype() -- return the binary subtype
+    @sa see @ref subtype() -- return the binary subtype
-    @sa @ref set_subtype() -- sets the binary subtype
+    @sa see @ref set_subtype() -- sets the binary subtype
-    @sa @ref has_subtype() -- returns whether or not the binary value has a
+    @sa see @ref has_subtype() -- returns whether or not the binary value has a
     subtype
 
     @since version 3.8.0
@@ -159,7 +162,7 @@ class byte_container_with_subtype : public BinaryType
     }
 
   private:
-    std::uint8_t m_subtype = 0;
+    subtype_type m_subtype = 0;
     bool m_has_subtype = false;
 };
 

external/json/include/nlohmann/detail/conversions/from_json.hpp

@@ -15,9 +15,14 @@
 #include <nlohmann/detail/exceptions.hpp>
 #include <nlohmann/detail/macro_scope.hpp>
 #include <nlohmann/detail/meta/cpp_future.hpp>
+#include <nlohmann/detail/meta/identity_tag.hpp>
 #include <nlohmann/detail/meta/type_traits.hpp>
 #include <nlohmann/detail/value_t.hpp>
 
+#ifdef JSON_HAS_CPP_17
+    #include <filesystem>
+#endif
+
 namespace nlohmann
 {
 namespace detail
@@ -27,7 +32,7 @@ void from_json(const BasicJsonType& j, typename std::nullptr_t& n)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_null()))
     {
-        JSON_THROW(type_error::create(302, "type must be null, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be null, but is " + std::string(j.type_name()), j));
     }
     n = nullptr;
 }
@@ -57,8 +62,15 @@ void get_arithmetic_value(const BasicJsonType& j, ArithmeticType& val)
             break;
         }
 
+        case value_t::null:
+        case value_t::object:
+        case value_t::array:
+        case value_t::string:
+        case value_t::boolean:
+        case value_t::binary:
+        case value_t::discarded:
         default:
-            JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name())));
+            JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()), j));
     }
 }
 
@@ -67,7 +79,7 @@ void from_json(const BasicJsonType& j, typename BasicJsonType::boolean_t& b)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_boolean()))
     {
-        JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be boolean, but is " + std::string(j.type_name()), j));
     }
     b = *j.template get_ptr<const typename BasicJsonType::boolean_t*>();
 }
@@ -77,7 +89,7 @@ void from_json(const BasicJsonType& j, typename BasicJsonType::string_t& s)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_string()))
     {
-        JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()), j));
     }
     s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
 }
@@ -93,7 +105,7 @@ void from_json(const BasicJsonType& j, ConstructibleStringType& s)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_string()))
     {
-        JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()), j));
     }
 
     s = *j.template get_ptr<const typename BasicJsonType::string_t*>();
@@ -133,7 +145,7 @@ void from_json(const BasicJsonType& j, std::forward_list<T, Allocator>& l)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()), j));
     }
     l.clear();
     std::transform(j.rbegin(), j.rend(),
@@ -150,7 +162,7 @@ void from_json(const BasicJsonType& j, std::valarray<T>& l)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()), j));
     }
     l.resize(j.size());
     std::transform(j.begin(), j.end(), std::begin(l),
@@ -161,7 +173,7 @@ void from_json(const BasicJsonType& j, std::valarray<T>& l)
 }
 
 template<typename BasicJsonType, typename T, std::size_t N>
-auto from_json(const BasicJsonType& j, T (&arr)[N])
+auto from_json(const BasicJsonType& j, T (&arr)[N])  // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)
 -> decltype(j.template get<T>(), void())
 {
     for (std::size_t i = 0; i < N; ++i)
@@ -187,7 +199,10 @@ auto from_json_array_impl(const BasicJsonType& j, std::array<T, N>& arr,
     }
 }
 
-template<typename BasicJsonType, typename ConstructibleArrayType>
+template<typename BasicJsonType, typename ConstructibleArrayType,
+         enable_if_t<
+             std::is_assignable<ConstructibleArrayType&, ConstructibleArrayType>::value,
+             int> = 0>
 auto from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, priority_tag<1> /*unused*/)
 -> decltype(
     arr.reserve(std::declval<typename ConstructibleArrayType::size_type>()),
@@ -208,7 +223,10 @@ auto from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr, p
     arr = std::move(ret);
 }
 
-template<typename BasicJsonType, typename ConstructibleArrayType>
+template<typename BasicJsonType, typename ConstructibleArrayType,
+         enable_if_t<
+             std::is_assignable<ConstructibleArrayType&, ConstructibleArrayType>::value,
+             int> = 0>
 void from_json_array_impl(const BasicJsonType& j, ConstructibleArrayType& arr,
                           priority_tag<0> /*unused*/)
 {
@@ -241,19 +259,37 @@ void())
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, "type must be array, but is " +
+        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()), j));
-                                      std::string(j.type_name())));
     }
 
     from_json_array_impl(j, arr, priority_tag<3> {});
 }
 
+template < typename BasicJsonType, typename T, std::size_t... Idx >
+std::array<T, sizeof...(Idx)> from_json_inplace_array_impl(BasicJsonType&& j,
+        identity_tag<std::array<T, sizeof...(Idx)>> /*unused*/, index_sequence<Idx...> /*unused*/)
+{
+    return { { std::forward<BasicJsonType>(j).at(Idx).template get<T>()... } };
+}
+
+template < typename BasicJsonType, typename T, std::size_t N >
+auto from_json(BasicJsonType&& j, identity_tag<std::array<T, N>> tag)
+-> decltype(from_json_inplace_array_impl(std::forward<BasicJsonType>(j), tag, make_index_sequence<N> {}))
+{
+    if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
+    {
+        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()), j));
+    }
+
+    return from_json_inplace_array_impl(std::forward<BasicJsonType>(j), tag, make_index_sequence<N> {});
+}
+
 template<typename BasicJsonType>
 void from_json(const BasicJsonType& j, typename BasicJsonType::binary_t& bin)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_binary()))
     {
-        JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be binary, but is " + std::string(j.type_name()), j));
     }
 
     bin = *j.template get_ptr<const typename BasicJsonType::binary_t*>();
@@ -265,11 +301,11 @@ void from_json(const BasicJsonType& j, ConstructibleObjectType& obj)
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_object()))
     {
-        JSON_THROW(type_error::create(302, "type must be object, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be object, but is " + std::string(j.type_name()), j));
     }
 
     ConstructibleObjectType ret;
-    auto inner_object = j.template get_ptr<const typename BasicJsonType::object_t*>();
+    const auto* inner_object = j.template get_ptr<const typename BasicJsonType::object_t*>();
     using value_type = typename ConstructibleObjectType::value_type;
     std::transform(
         inner_object->begin(), inner_object->end(),
@@ -318,27 +354,58 @@ void from_json(const BasicJsonType& j, ArithmeticType& val)
             break;
         }
 
+        case value_t::null:
+        case value_t::object:
+        case value_t::array:
+        case value_t::string:
+        case value_t::binary:
+        case value_t::discarded:
         default:
-            JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name())));
+            JSON_THROW(type_error::create(302, "type must be number, but is " + std::string(j.type_name()), j));
     }
 }
 
-template<typename BasicJsonType, typename A1, typename A2>
+template<typename BasicJsonType, typename... Args, std::size_t... Idx>
-void from_json(const BasicJsonType& j, std::pair<A1, A2>& p)
+std::tuple<Args...> from_json_tuple_impl_base(BasicJsonType&& j, index_sequence<Idx...> /*unused*/)
 {
-    p = {j.at(0).template get<A1>(), j.at(1).template get<A2>()};
+    return std::make_tuple(std::forward<BasicJsonType>(j).at(Idx).template get<Args>()...);
 }
 
-template<typename BasicJsonType, typename Tuple, std::size_t... Idx>
+template < typename BasicJsonType, class A1, class A2 >
-void from_json_tuple_impl(const BasicJsonType& j, Tuple& t, index_sequence<Idx...> /*unused*/)
+std::pair<A1, A2> from_json_tuple_impl(BasicJsonType&& j, identity_tag<std::pair<A1, A2>> /*unused*/, priority_tag<0> /*unused*/)
 {
-    t = std::make_tuple(j.at(Idx).template get<typename std::tuple_element<Idx, Tuple>::type>()...);
+    return {std::forward<BasicJsonType>(j).at(0).template get<A1>(),
+            std::forward<BasicJsonType>(j).at(1).template get<A2>()};
+}
+
+template<typename BasicJsonType, typename A1, typename A2>
+void from_json_tuple_impl(BasicJsonType&& j, std::pair<A1, A2>& p, priority_tag<1> /*unused*/)
+{
+    p = from_json_tuple_impl(std::forward<BasicJsonType>(j), identity_tag<std::pair<A1, A2>> {}, priority_tag<0> {});
 }
 
 template<typename BasicJsonType, typename... Args>
-void from_json(const BasicJsonType& j, std::tuple<Args...>& t)
+std::tuple<Args...> from_json_tuple_impl(BasicJsonType&& j, identity_tag<std::tuple<Args...>> /*unused*/, priority_tag<2> /*unused*/)
 {
-    from_json_tuple_impl(j, t, index_sequence_for<Args...> {});
+    return from_json_tuple_impl_base<BasicJsonType, Args...>(std::forward<BasicJsonType>(j), index_sequence_for<Args...> {});
+}
+
+template<typename BasicJsonType, typename... Args>
+void from_json_tuple_impl(BasicJsonType&& j, std::tuple<Args...>& t, priority_tag<3> /*unused*/)
+{
+    t = from_json_tuple_impl_base<BasicJsonType, Args...>(std::forward<BasicJsonType>(j), index_sequence_for<Args...> {});
+}
+
+template<typename BasicJsonType, typename TupleRelated>
+auto from_json(BasicJsonType&& j, TupleRelated&& t)
+-> decltype(from_json_tuple_impl(std::forward<BasicJsonType>(j), std::forward<TupleRelated>(t), priority_tag<3> {}))
+{
+    if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
+    {
+        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()), j));
+    }
+
+    return from_json_tuple_impl(std::forward<BasicJsonType>(j), std::forward<TupleRelated>(t), priority_tag<3> {});
 }
 
 template < typename BasicJsonType, typename Key, typename Value, typename Compare, typename Allocator,
@@ -348,14 +415,14 @@ void from_json(const BasicJsonType& j, std::map<Key, Value, Compare, Allocator>&
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()), j));
     }
     m.clear();
     for (const auto& p : j)
     {
         if (JSON_HEDLEY_UNLIKELY(!p.is_array()))
         {
-            JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name())));
+            JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()), j));
         }
         m.emplace(p.at(0).template get<Key>(), p.at(1).template get<Value>());
     }
@@ -368,27 +435,39 @@ void from_json(const BasicJsonType& j, std::unordered_map<Key, Value, Hash, KeyE
 {
     if (JSON_HEDLEY_UNLIKELY(!j.is_array()))
     {
-        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name())));
+        JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(j.type_name()), j));
     }
     m.clear();
     for (const auto& p : j)
     {
         if (JSON_HEDLEY_UNLIKELY(!p.is_array()))
         {
-            JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name())));
+            JSON_THROW(type_error::create(302, "type must be array, but is " + std::string(p.type_name()), j));
         }
         m.emplace(p.at(0).template get<Key>(), p.at(1).template get<Value>());
     }
 }
 
+#ifdef JSON_HAS_CPP_17
+template<typename BasicJsonType>
+void from_json(const BasicJsonType& j, std::filesystem::path& p)
+{
+    if (JSON_HEDLEY_UNLIKELY(!j.is_string()))
+    {
+        JSON_THROW(type_error::create(302, "type must be string, but is " + std::string(j.type_name()), j));
+    }
+    p = *j.template get_ptr<const typename BasicJsonType::string_t*>();
+}
+#endif
+
 struct from_json_fn
 {
     template<typename BasicJsonType, typename T>
-    auto operator()(const BasicJsonType& j, T& val) const
+    auto operator()(const BasicJsonType& j, T&& val) const
-    noexcept(noexcept(from_json(j, val)))
+    noexcept(noexcept(from_json(j, std::forward<T>(val))))
-    -> decltype(from_json(j, val), void())
+    -> decltype(from_json(j, std::forward<T>(val)))
     {
-        return from_json(j, val);
+        return from_json(j, std::forward<T>(val));
     }
 };
 }  // namespace detail
@@ -396,8 +475,8 @@ struct from_json_fn
 /// namespace to hold default `from_json` function
 /// to see why this is required:
 /// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html
-namespace
+namespace // NOLINT(cert-dcl59-cpp,fuchsia-header-anon-namespaces,google-build-namespaces)
 {
-constexpr const auto& from_json = detail::static_const<detail::from_json_fn>::value;
+constexpr const auto& from_json = detail::static_const<detail::from_json_fn>::value; // NOLINT(misc-definitions-in-headers)
 } // namespace
 } // namespace nlohmann

external/json/include/nlohmann/detail/conversions/to_chars.hpp

@@ -200,7 +200,7 @@ boundaries compute_boundaries(FloatType value)
 
     using bits_type = typename std::conditional<kPrecision == 24, std::uint32_t, std::uint64_t >::type;
 
-    const std::uint64_t bits = reinterpret_bits<bits_type>(value);
+    const auto bits = static_cast<std::uint64_t>(reinterpret_bits<bits_type>(value));
     const std::uint64_t E = bits >> (kPrecision - 1);
     const std::uint64_t F = bits & (kHiddenBit - 1);
 
@@ -490,51 +490,49 @@ inline int find_largest_pow10(const std::uint32_t n, std::uint32_t& pow10)
         return 10;
     }
     // LCOV_EXCL_STOP
-    else if (n >= 100000000)
+    if (n >= 100000000)
     {
         pow10 = 100000000;
         return  9;
     }
-    else if (n >= 10000000)
+    if (n >= 10000000)
     {
         pow10 = 10000000;
         return  8;
     }
-    else if (n >= 1000000)
+    if (n >= 1000000)
     {
         pow10 = 1000000;
         return  7;
     }
-    else if (n >= 100000)
+    if (n >= 100000)
     {
         pow10 = 100000;
         return  6;
     }
-    else if (n >= 10000)
+    if (n >= 10000)
     {
         pow10 = 10000;
         return  5;
     }
-    else if (n >= 1000)
+    if (n >= 1000)
     {
         pow10 = 1000;
         return  4;
     }
-    else if (n >= 100)
+    if (n >= 100)
     {
         pow10 = 100;
         return  3;
     }
-    else if (n >= 10)
+    if (n >= 10)
     {
         pow10 = 10;
         return  2;
     }
-    else
+
-    {
+    pow10 = 1;
-        pow10 = 1;
+    return 1;
-        return 1;
-    }
 }
 
 inline void grisu2_round(char* buf, int len, std::uint64_t dist, std::uint64_t delta,
@@ -620,7 +618,7 @@ inline void grisu2_digit_gen(char* buffer, int& length, int& decimal_exponent,
 
     JSON_ASSERT(p1 > 0);
 
-    std::uint32_t pow10;
+    std::uint32_t pow10{};
     const int k = find_largest_pow10(p1, pow10);
 
     //      10^(k-1) <= p1 < 10^k, pow10 = 10^(k-1)
@@ -1068,6 +1066,10 @@ char* to_chars(char* first, const char* last, FloatType value)
         *first++ = '-';
     }
 
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wfloat-equal"
+#endif
     if (value == 0) // +-0
     {
         *first++ = '0';
@@ -1076,6 +1078,9 @@ char* to_chars(char* first, const char* last, FloatType value)
         *first++ = '0';
         return first;
     }
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
 
     JSON_ASSERT(last - first >= std::numeric_limits<FloatType>::max_digits10);
 

external/json/include/nlohmann/detail/conversions/to_json.hpp

@@ -9,11 +9,16 @@
 #include <valarray> // valarray
 #include <vector> // vector
 
+#include <nlohmann/detail/macro_scope.hpp>
 #include <nlohmann/detail/iterators/iteration_proxy.hpp>
 #include <nlohmann/detail/meta/cpp_future.hpp>
 #include <nlohmann/detail/meta/type_traits.hpp>
 #include <nlohmann/detail/value_t.hpp>
 
+#ifdef JSON_HAS_CPP_17
+    #include <filesystem>
+#endif
+
 namespace nlohmann
 {
 namespace detail
@@ -22,6 +27,13 @@ namespace detail
 // constructors //
 //////////////////
 
+/*
+ * Note all external_constructor<>::construct functions need to call
+ * j.m_value.destroy(j.m_type) to avoid a memory leak in case j contains an
+ * allocated value (e.g., a string). See bug issue
+ * https://github.com/nlohmann/json/issues/2865 for more information.
+ */
+
 template<value_t> struct external_constructor;
 
 template<>
@@ -30,6 +42,7 @@ struct external_constructor<value_t::boolean>
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, typename BasicJsonType::boolean_t b) noexcept
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::boolean;
         j.m_value = b;
         j.assert_invariant();
@@ -42,6 +55,7 @@ struct external_constructor<value_t::string>
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, const typename BasicJsonType::string_t& s)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::string;
         j.m_value = s;
         j.assert_invariant();
@@ -50,6 +64,7 @@ struct external_constructor<value_t::string>
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, typename BasicJsonType::string_t&& s)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::string;
         j.m_value = std::move(s);
         j.assert_invariant();
@@ -60,6 +75,7 @@ struct external_constructor<value_t::string>
                              int > = 0 >
     static void construct(BasicJsonType& j, const CompatibleStringType& str)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::string;
         j.m_value.string = j.template create<typename BasicJsonType::string_t>(str);
         j.assert_invariant();
@@ -72,18 +88,18 @@ struct external_constructor<value_t::binary>
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, const typename BasicJsonType::binary_t& b)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::binary;
-        typename BasicJsonType::binary_t value{b};
+        j.m_value = typename BasicJsonType::binary_t(b);
-        j.m_value = value;
         j.assert_invariant();
     }
 
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, typename BasicJsonType::binary_t&& b)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::binary;
-        typename BasicJsonType::binary_t value{std::move(b)};
+        j.m_value = typename BasicJsonType::binary_t(std::move(b));
-        j.m_value = value;
         j.assert_invariant();
     }
 };
@@ -94,6 +110,7 @@ struct external_constructor<value_t::number_float>
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, typename BasicJsonType::number_float_t val) noexcept
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::number_float;
         j.m_value = val;
         j.assert_invariant();
@@ -106,6 +123,7 @@ struct external_constructor<value_t::number_unsigned>
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, typename BasicJsonType::number_unsigned_t val) noexcept
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::number_unsigned;
         j.m_value = val;
         j.assert_invariant();
@@ -118,6 +136,7 @@ struct external_constructor<value_t::number_integer>
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, typename BasicJsonType::number_integer_t val) noexcept
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::number_integer;
         j.m_value = val;
         j.assert_invariant();
@@ -130,16 +149,20 @@ struct external_constructor<value_t::array>
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, const typename BasicJsonType::array_t& arr)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::array;
         j.m_value = arr;
+        j.set_parents();
         j.assert_invariant();
     }
 
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, typename BasicJsonType::array_t&& arr)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::array;
         j.m_value = std::move(arr);
+        j.set_parents();
         j.assert_invariant();
     }
 
@@ -150,20 +173,25 @@ struct external_constructor<value_t::array>
     {
         using std::begin;
         using std::end;
+
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::array;
         j.m_value.array = j.template create<typename BasicJsonType::array_t>(begin(arr), end(arr));
+        j.set_parents();
         j.assert_invariant();
     }
 
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, const std::vector<bool>& arr)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::array;
         j.m_value = value_t::array;
         j.m_value.array->reserve(arr.size());
         for (const bool x : arr)
         {
             j.m_value.array->push_back(x);
+            j.set_parent(j.m_value.array->back());
         }
         j.assert_invariant();
     }
@@ -172,6 +200,7 @@ struct external_constructor<value_t::array>
              enable_if_t<std::is_convertible<T, BasicJsonType>::value, int> = 0>
     static void construct(BasicJsonType& j, const std::valarray<T>& arr)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::array;
         j.m_value = value_t::array;
         j.m_value.array->resize(arr.size());
@@ -179,6 +208,7 @@ struct external_constructor<value_t::array>
         {
             std::copy(std::begin(arr), std::end(arr), j.m_value.array->begin());
         }
+        j.set_parents();
         j.assert_invariant();
     }
 };
@@ -189,16 +219,20 @@ struct external_constructor<value_t::object>
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, const typename BasicJsonType::object_t& obj)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::object;
         j.m_value = obj;
+        j.set_parents();
         j.assert_invariant();
     }
 
     template<typename BasicJsonType>
     static void construct(BasicJsonType& j, typename BasicJsonType::object_t&& obj)
     {
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::object;
         j.m_value = std::move(obj);
+        j.set_parents();
         j.assert_invariant();
     }
 
@@ -209,8 +243,10 @@ struct external_constructor<value_t::object>
         using std::begin;
         using std::end;
 
+        j.m_value.destroy(j.m_type);
         j.m_type = value_t::object;
         j.m_value.object = j.template create<typename BasicJsonType::object_t>(begin(obj), end(obj));
+        j.set_parents();
         j.assert_invariant();
     }
 };
@@ -322,9 +358,9 @@ void to_json(BasicJsonType& j, typename BasicJsonType::object_t&& obj)
 template <
     typename BasicJsonType, typename T, std::size_t N,
     enable_if_t < !std::is_constructible<typename BasicJsonType::string_t,
-                  const T(&)[N]>::value,
+                  const T(&)[N]>::value, // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)
                   int > = 0 >
-void to_json(BasicJsonType& j, const T(&arr)[N])
+void to_json(BasicJsonType& j, const T(&arr)[N]) // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)
 {
     external_constructor<value_t::array>::construct(j, arr);
 }
@@ -355,6 +391,14 @@ void to_json(BasicJsonType& j, const T& t)
     to_json_tuple_impl(j, t, make_index_sequence<std::tuple_size<T>::value> {});
 }
 
+#ifdef JSON_HAS_CPP_17
+template<typename BasicJsonType>
+void to_json(BasicJsonType& j, const std::filesystem::path& p)
+{
+    j = p.string();
+}
+#endif
+
 struct to_json_fn
 {
     template<typename BasicJsonType, typename T>
@@ -367,8 +411,10 @@ struct to_json_fn
 }  // namespace detail
 
 /// namespace to hold default `to_json` function
-namespace
+/// to see why this is required:
+/// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4381.html
+namespace // NOLINT(cert-dcl59-cpp,fuchsia-header-anon-namespaces,google-build-namespaces)
 {
-constexpr const auto& to_json = detail::static_const<detail::to_json_fn>::value;
+constexpr const auto& to_json = detail::static_const<detail::to_json_fn>::value; // NOLINT(misc-definitions-in-headers)
 } // namespace
 } // namespace nlohmann

external/json/include/nlohmann/detail/exceptions.hpp

@@ -3,7 +3,10 @@
 #include <exception> // exception
 #include <stdexcept> // runtime_error
 #include <string> // to_string
+#include <vector> // vector
 
+#include <nlohmann/detail/value_t.hpp>
+#include <nlohmann/detail/string_escape.hpp>
 #include <nlohmann/detail/input/position_t.hpp>
 #include <nlohmann/detail/macro_scope.hpp>
 
@@ -47,14 +50,13 @@ class exception : public std::exception
 {
   public:
     /// returns the explanatory string
-    JSON_HEDLEY_RETURNS_NON_NULL
     const char* what() const noexcept override
     {
         return m.what();
     }
 
     /// the id of the exception
-    const int id;
+    const int id; // NOLINT(cppcoreguidelines-non-private-member-variables-in-classes)
 
   protected:
     JSON_HEDLEY_NON_NULL(3)
@@ -65,6 +67,70 @@ class exception : public std::exception
         return "[json.exception." + ename + "." + std::to_string(id_) + "] ";
     }
 
+    template<typename BasicJsonType>
+    static std::string diagnostics(const BasicJsonType& leaf_element)
+    {
+#if JSON_DIAGNOSTICS
+        std::vector<std::string> tokens;
+        for (const auto* current = &leaf_element; current->m_parent != nullptr; current = current->m_parent)
+        {
+            switch (current->m_parent->type())
+            {
+                case value_t::array:
+                {
+                    for (std::size_t i = 0; i < current->m_parent->m_value.array->size(); ++i)
+                    {
+                        if (&current->m_parent->m_value.array->operator[](i) == current)
+                        {
+                            tokens.emplace_back(std::to_string(i));
+                            break;
+                        }
+                    }
+                    break;
+                }
+
+                case value_t::object:
+                {
+                    for (const auto& element : *current->m_parent->m_value.object)
+                    {
+                        if (&element.second == current)
+                        {
+                            tokens.emplace_back(element.first.c_str());
+                            break;
+                        }
+                    }
+                    break;
+                }
+
+                case value_t::null: // LCOV_EXCL_LINE
+                case value_t::string: // LCOV_EXCL_LINE
+                case value_t::boolean: // LCOV_EXCL_LINE
+                case value_t::number_integer: // LCOV_EXCL_LINE
+                case value_t::number_unsigned: // LCOV_EXCL_LINE
+                case value_t::number_float: // LCOV_EXCL_LINE
+                case value_t::binary: // LCOV_EXCL_LINE
+                case value_t::discarded: // LCOV_EXCL_LINE
+                default:   // LCOV_EXCL_LINE
+                    break; // LCOV_EXCL_LINE
+            }
+        }
+
+        if (tokens.empty())
+        {
+            return "";
+        }
+
+        return "(" + std::accumulate(tokens.rbegin(), tokens.rend(), std::string{},
+                                     [](const std::string & a, const std::string & b)
+        {
+            return a + "/" + detail::escape(b);
+        }) + ") ";
+#else
+        static_cast<void>(leaf_element);
+        return "";
+#endif
+    }
+
   private:
     /// an exception object as storage for error messages
     std::runtime_error m;
@@ -127,18 +193,20 @@ class parse_error : public exception
     @param[in] what_arg  the explanatory string
     @return parse_error object
     */
-    static parse_error create(int id_, const position_t& pos, const std::string& what_arg)
+    template<typename BasicJsonType>
+    static parse_error create(int id_, const position_t& pos, const std::string& what_arg, const BasicJsonType& context)
     {
         std::string w = exception::name("parse_error", id_) + "parse error" +
-                        position_string(pos) + ": " + what_arg;
+                        position_string(pos) + ": " + exception::diagnostics(context) + what_arg;
         return parse_error(id_, pos.chars_read_total, w.c_str());
     }
 
-    static parse_error create(int id_, std::size_t byte_, const std::string& what_arg)
+    template<typename BasicJsonType>
+    static parse_error create(int id_, std::size_t byte_, const std::string& what_arg, const BasicJsonType& context)
     {
         std::string w = exception::name("parse_error", id_) + "parse error" +
                         (byte_ != 0 ? (" at byte " + std::to_string(byte_)) : "") +
-                        ": " + what_arg;
+                        ": " + exception::diagnostics(context) + what_arg;
         return parse_error(id_, byte_, w.c_str());
     }
 
@@ -204,9 +272,10 @@ caught.,invalid_iterator}
 class invalid_iterator : public exception
 {
   public:
-    static invalid_iterator create(int id_, const std::string& what_arg)
+    template<typename BasicJsonType>
+    static invalid_iterator create(int id_, const std::string& what_arg, const BasicJsonType& context)
     {
-        std::string w = exception::name("invalid_iterator", id_) + what_arg;
+        std::string w = exception::name("invalid_iterator", id_) + exception::diagnostics(context) + what_arg;
         return invalid_iterator(id_, w.c_str());
     }
 
@@ -258,9 +327,10 @@ caught.,type_error}
 class type_error : public exception
 {
   public:
-    static type_error create(int id_, const std::string& what_arg)
+    template<typename BasicJsonType>
+    static type_error create(int id_, const std::string& what_arg, const BasicJsonType& context)
     {
-        std::string w = exception::name("type_error", id_) + what_arg;
+        std::string w = exception::name("type_error", id_) + exception::diagnostics(context) + what_arg;
         return type_error(id_, w.c_str());
     }
 
@@ -305,9 +375,10 @@ caught.,out_of_range}
 class out_of_range : public exception
 {
   public:
-    static out_of_range create(int id_, const std::string& what_arg)
+    template<typename BasicJsonType>
+    static out_of_range create(int id_, const std::string& what_arg, const BasicJsonType& context)
     {
-        std::string w = exception::name("out_of_range", id_) + what_arg;
+        std::string w = exception::name("out_of_range", id_) + exception::diagnostics(context) + what_arg;
         return out_of_range(id_, w.c_str());
     }
 
@@ -343,9 +414,10 @@ caught.,other_error}
 class other_error : public exception
 {
   public:
-    static other_error create(int id_, const std::string& what_arg)
+    template<typename BasicJsonType>
+    static other_error create(int id_, const std::string& what_arg, const BasicJsonType& context)
     {
-        std::string w = exception::name("other_error", id_) + what_arg;
+        std::string w = exception::name("other_error", id_) + exception::diagnostics(context) + what_arg;
         return other_error(id_, w.c_str());
     }
 

external/json/include/nlohmann/detail/hash.hpp

@@ -1,8 +1,12 @@
 #pragma once
 
-#include <cstddef> // size_t, uint8_t
+#include <cstdint> // uint8_t
+#include <cstddef> // size_t
 #include <functional> // hash
 
+#include <nlohmann/detail/macro_scope.hpp>
+#include <nlohmann/detail/value_t.hpp>
+
 namespace nlohmann
 {
 namespace detail
@@ -83,24 +87,24 @@ std::size_t hash(const BasicJsonType& j)
             return combine(type, h);
         }
 
-        case nlohmann::detail::value_t::number_unsigned:
+        case BasicJsonType::value_t::number_unsigned:
         {
             const auto h = std::hash<number_unsigned_t> {}(j.template get<number_unsigned_t>());
             return combine(type, h);
         }
 
-        case nlohmann::detail::value_t::number_float:
+        case BasicJsonType::value_t::number_float:
         {
             const auto h = std::hash<number_float_t> {}(j.template get<number_float_t>());
             return combine(type, h);
         }
 
-        case nlohmann::detail::value_t::binary:
+        case BasicJsonType::value_t::binary:
         {
             auto seed = combine(type, j.get_binary().size());
             const auto h = std::hash<bool> {}(j.get_binary().has_subtype());
             seed = combine(seed, h);
-            seed = combine(seed, j.get_binary().subtype());
+            seed = combine(seed, static_cast<std::size_t>(j.get_binary().subtype()));
             for (const auto byte : j.get_binary())
             {
                 seed = combine(seed, std::hash<std::uint8_t> {}(byte));
@@ -108,8 +112,9 @@ std::size_t hash(const BasicJsonType& j)
             return seed;
         }
 
-        default: // LCOV_EXCL_LINE
+        default:                   // LCOV_EXCL_LINE
-            JSON_ASSERT(false); // LCOV_EXCL_LINE
+            JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
+            return 0;              // LCOV_EXCL_LINE
     }
 }
 

external/json/include/nlohmann/detail/input/binary_reader.hpp

@@ -11,6 +11,7 @@
 #include <limits> // numeric_limits
 #include <string> // char_traits, string
 #include <utility> // make_pair, move
+#include <vector> // vector
 
 #include <nlohmann/detail/exceptions.hpp>
 #include <nlohmann/detail/input/input_adapters.hpp>
@@ -18,6 +19,7 @@
 #include <nlohmann/detail/input/lexer.hpp>
 #include <nlohmann/detail/macro_scope.hpp>
 #include <nlohmann/detail/meta/is_sax.hpp>
+#include <nlohmann/detail/meta/type_traits.hpp>
 #include <nlohmann/detail/value_t.hpp>
 
 namespace nlohmann
@@ -28,8 +30,9 @@ namespace detail
 /// how to treat CBOR tags
 enum class cbor_tag_handler_t
 {
-    error,  ///< throw a parse_error exception in case of a tag
+    error,   ///< throw a parse_error exception in case of a tag
-    ignore   ///< ignore tags
+    ignore,  ///< ignore tags
+    store    ///< store tags as binary type
 };
 
 /*!
@@ -70,16 +73,16 @@ class binary_reader
 
     @param[in] adapter  input adapter to read from
     */
-    explicit binary_reader(InputAdapterType&& adapter) : ia(std::move(adapter))
+    explicit binary_reader(InputAdapterType&& adapter) noexcept : ia(std::move(adapter))
     {
         (void)detail::is_sax_static_asserts<SAX, BasicJsonType> {};
     }
 
     // make class move-only
     binary_reader(const binary_reader&) = delete;
-    binary_reader(binary_reader&&) = default;
+    binary_reader(binary_reader&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
     binary_reader& operator=(const binary_reader&) = delete;
-    binary_reader& operator=(binary_reader&&) = default;
+    binary_reader& operator=(binary_reader&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
     ~binary_reader() = default;
 
     /*!
@@ -88,7 +91,7 @@ class binary_reader
     @param[in] strict  whether to expect the input to be consumed completed
     @param[in] tag_handler  how to treat CBOR tags
 
-    @return
+    @return whether parsing was successful
     */
     JSON_HEDLEY_NON_NULL(3)
     bool sax_parse(const input_format_t format,
@@ -117,8 +120,9 @@ class binary_reader
                 result = parse_ubjson_internal();
                 break;
 
+            case input_format_t::json: // LCOV_EXCL_LINE
             default:            // LCOV_EXCL_LINE
-                JSON_ASSERT(false);  // LCOV_EXCL_LINE
+                JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
         }
 
         // strict mode: next byte must be EOF
@@ -136,7 +140,7 @@ class binary_reader
             if (JSON_HEDLEY_UNLIKELY(current != std::char_traits<char_type>::eof()))
             {
                 return sax->parse_error(chars_read, get_token_string(),
-                                        parse_error::create(110, chars_read, exception_message(format, "expected end of input; last byte: 0x" + get_token_string(), "value")));
+                                        parse_error::create(110, chars_read, exception_message(format, "expected end of input; last byte: 0x" + get_token_string(), "value"), BasicJsonType()));
             }
         }
 
@@ -172,7 +176,7 @@ class binary_reader
 
     /*!
     @brief Parses a C-style string from the BSON input.
-    @param[in, out] result  A reference to the string variable where the read
+    @param[in,out] result  A reference to the string variable where the read
                             string is to be stored.
     @return `true` if the \x00-byte indicating the end of the string was
              encountered before the EOF; false` indicates an unexpected EOF.
@@ -200,7 +204,7 @@ class binary_reader
            input.
     @param[in] len  The length (including the zero-byte at the end) of the
                     string to be read.
-    @param[in, out] result  A reference to the string variable where the read
+    @param[in,out] result  A reference to the string variable where the read
                             string is to be stored.
     @tparam NumberType The type of the length @a len
     @pre len >= 1
@@ -212,7 +216,7 @@ class binary_reader
         if (JSON_HEDLEY_UNLIKELY(len < 1))
         {
             auto last_token = get_token_string();
-            return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "string length must be at least 1, is " + std::to_string(len), "string")));
+            return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "string length must be at least 1, is " + std::to_string(len), "string"), BasicJsonType()));
         }
 
         return get_string(input_format_t::bson, len - static_cast<NumberType>(1), result) && get() != std::char_traits<char_type>::eof();
@@ -221,7 +225,7 @@ class binary_reader
     /*!
     @brief Parses a byte array input of length @a len from the BSON input.
     @param[in] len  The length of the byte array to be read.
-    @param[in, out] result  A reference to the binary variable where the read
+    @param[in,out] result  A reference to the binary variable where the read
                             array is to be stored.
     @tparam NumberType The type of the length @a len
     @pre len >= 0
@@ -233,7 +237,7 @@ class binary_reader
         if (JSON_HEDLEY_UNLIKELY(len < 0))
         {
             auto last_token = get_token_string();
-            return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "byte array length cannot be negative, is " + std::to_string(len), "binary")));
+            return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::bson, "byte array length cannot be negative, is " + std::to_string(len), "binary"), BasicJsonType()));
         }
 
         // All BSON binary values have a subtype
@@ -314,8 +318,8 @@ class binary_reader
             default: // anything else not supported (yet)
             {
                 std::array<char, 3> cr{{}};
-                (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast<unsigned char>(element_type));
+                (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast<unsigned char>(element_type)); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
-                return sax->parse_error(element_type_parse_position, std::string(cr.data()), parse_error::create(114, element_type_parse_position, "Unsupported BSON record type 0x" + std::string(cr.data())));
+                return sax->parse_error(element_type_parse_position, std::string(cr.data()), parse_error::create(114, element_type_parse_position, "Unsupported BSON record type 0x" + std::string(cr.data()), BasicJsonType()));
             }
         }
     }
@@ -630,7 +634,7 @@ class binary_reader
             case 0x9B: // array (eight-byte uint64_t for n follow)
             {
                 std::uint64_t len{};
-                return get_number(input_format_t::cbor, len) && get_cbor_array(static_cast<std::size_t>(len), tag_handler);
+                return get_number(input_format_t::cbor, len) && get_cbor_array(detail::conditional_static_cast<std::size_t>(len), tag_handler);
             }
 
             case 0x9F: // array (indefinite length)
@@ -684,7 +688,7 @@ class binary_reader
             case 0xBB: // map (eight-byte uint64_t for n follow)
             {
                 std::uint64_t len{};
-                return get_number(input_format_t::cbor, len) && get_cbor_object(static_cast<std::size_t>(len), tag_handler);
+                return get_number(input_format_t::cbor, len) && get_cbor_object(detail::conditional_static_cast<std::size_t>(len), tag_handler);
             }
 
             case 0xBF: // map (indefinite length)
@@ -715,35 +719,36 @@ class binary_reader
                     case cbor_tag_handler_t::error:
                     {
                         auto last_token = get_token_string();
-                        return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value")));
+                        return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"), BasicJsonType()));
                     }
 
                     case cbor_tag_handler_t::ignore:
                     {
+                        // ignore binary subtype
                         switch (current)
                         {
                             case 0xD8:
                             {
-                                std::uint8_t len{};
+                                std::uint8_t subtype_to_ignore{};
-                                get_number(input_format_t::cbor, len);
+                                get_number(input_format_t::cbor, subtype_to_ignore);
                                 break;
                             }
                             case 0xD9:
                             {
-                                std::uint16_t len{};
+                                std::uint16_t subtype_to_ignore{};
-                                get_number(input_format_t::cbor, len);
+                                get_number(input_format_t::cbor, subtype_to_ignore);
                                 break;
                             }
                             case 0xDA:
                             {
-                                std::uint32_t len{};
+                                std::uint32_t subtype_to_ignore{};
-                                get_number(input_format_t::cbor, len);
+                                get_number(input_format_t::cbor, subtype_to_ignore);
                                 break;
                             }
                             case 0xDB:
                             {
-                                std::uint64_t len{};
+                                std::uint64_t subtype_to_ignore{};
-                                get_number(input_format_t::cbor, len);
+                                get_number(input_format_t::cbor, subtype_to_ignore);
                                 break;
                             }
                             default:
@@ -752,8 +757,50 @@ class binary_reader
                         return parse_cbor_internal(true, tag_handler);
                     }
 
-                    default:            // LCOV_EXCL_LINE
+                    case cbor_tag_handler_t::store:
-                        JSON_ASSERT(false);  // LCOV_EXCL_LINE
+                    {
+                        binary_t b;
+                        // use binary subtype and store in binary container
+                        switch (current)
+                        {
+                            case 0xD8:
+                            {
+                                std::uint8_t subtype{};
+                                get_number(input_format_t::cbor, subtype);
+                                b.set_subtype(detail::conditional_static_cast<typename binary_t::subtype_type>(subtype));
+                                break;
+                            }
+                            case 0xD9:
+                            {
+                                std::uint16_t subtype{};
+                                get_number(input_format_t::cbor, subtype);
+                                b.set_subtype(detail::conditional_static_cast<typename binary_t::subtype_type>(subtype));
+                                break;
+                            }
+                            case 0xDA:
+                            {
+                                std::uint32_t subtype{};
+                                get_number(input_format_t::cbor, subtype);
+                                b.set_subtype(detail::conditional_static_cast<typename binary_t::subtype_type>(subtype));
+                                break;
+                            }
+                            case 0xDB:
+                            {
+                                std::uint64_t subtype{};
+                                get_number(input_format_t::cbor, subtype);
+                                b.set_subtype(detail::conditional_static_cast<typename binary_t::subtype_type>(subtype));
+                                break;
+                            }
+                            default:
+                                return parse_cbor_internal(true, tag_handler);
+                        }
+                        get();
+                        return get_cbor_binary(b) && sax->binary(b);
+                    }
+
+                    default:                 // LCOV_EXCL_LINE
+                        JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
+                        return false;        // LCOV_EXCL_LINE
                 }
             }
 
@@ -829,7 +876,7 @@ class binary_reader
             default: // anything else (0xFF is handled inside the other types)
             {
                 auto last_token = get_token_string();
-                return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value")));
+                return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::cbor, "invalid byte: 0x" + last_token, "value"), BasicJsonType()));
             }
         }
     }
@@ -924,7 +971,7 @@ class binary_reader
             default:
             {
                 auto last_token = get_token_string();
-                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0x" + last_token, "string")));
+                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x60-0x7B) or indefinite string type (0x7F); last byte: 0x" + last_token, "string"), BasicJsonType()));
             }
         }
     }
@@ -1023,7 +1070,7 @@ class binary_reader
             default:
             {
                 auto last_token = get_token_string();
-                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x40-0x5B) or indefinite binary array type (0x5F); last byte: 0x" + last_token, "binary")));
+                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::cbor, "expected length specification (0x40-0x5B) or indefinite binary array type (0x5F); last byte: 0x" + last_token, "binary"), BasicJsonType()));
             }
         }
     }
@@ -1080,38 +1127,41 @@ class binary_reader
             return false;
         }
 
-        string_t key;
+        if (len != 0)
-        if (len != std::size_t(-1))
         {
-            for (std::size_t i = 0; i < len; ++i)
+            string_t key;
+            if (len != std::size_t(-1))
             {
-                get();
+                for (std::size_t i = 0; i < len; ++i)
-                if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key)))
                 {
-                    return false;
+                    get();
-                }
+                    if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key)))
+                    {
+                        return false;
+                    }
 
-                if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler)))
+                    if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler)))
-                {
+                    {
-                    return false;
+                        return false;
+                    }
+                    key.clear();
                 }
-                key.clear();
             }
-        }
+            else
-        else
-        {
-            while (get() != 0xFF)
             {
-                if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key)))
+                while (get() != 0xFF)
                 {
-                    return false;
+                    if (JSON_HEDLEY_UNLIKELY(!get_cbor_string(key) || !sax->key(key)))
-                }
+                    {
+                        return false;
+                    }
 
-                if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler)))
+                    if (JSON_HEDLEY_UNLIKELY(!parse_cbor_internal(true, tag_handler)))
-                {
+                    {
-                    return false;
+                        return false;
+                    }
+                    key.clear();
                 }
-                key.clear();
             }
         }
 
@@ -1490,7 +1540,7 @@ class binary_reader
             default: // anything else
             {
                 auto last_token = get_token_string();
-                return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::msgpack, "invalid byte: 0x" + last_token, "value")));
+                return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::msgpack, "invalid byte: 0x" + last_token, "value"), BasicJsonType()));
             }
         }
     }
@@ -1572,7 +1622,7 @@ class binary_reader
             default:
             {
                 auto last_token = get_token_string();
-                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::msgpack, "expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x" + last_token, "string")));
+                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::msgpack, "expected length specification (0xA0-0xBF, 0xD9-0xDB); last byte: 0x" + last_token, "string"), BasicJsonType()));
             }
         }
     }
@@ -1822,7 +1872,7 @@ class binary_reader
 
             default:
                 auto last_token = get_token_string();
-                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L); last byte: 0x" + last_token, "string")));
+                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L); last byte: 0x" + last_token, "string"), BasicJsonType()));
         }
     }
 
@@ -1852,7 +1902,7 @@ class binary_reader
                 {
                     return false;
                 }
-                result = static_cast<std::size_t>(number);
+                result = static_cast<std::size_t>(number); // NOLINT(bugprone-signed-char-misuse,cert-str34-c): number is not a char
                 return true;
             }
 
@@ -1892,7 +1942,7 @@ class binary_reader
             default:
             {
                 auto last_token = get_token_string();
-                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L) after '#'; last byte: 0x" + last_token, "size")));
+                return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "expected length type specification (U, i, I, l, L) after '#'; last byte: 0x" + last_token, "size"), BasicJsonType()));
             }
         }
     }
@@ -1930,7 +1980,7 @@ class binary_reader
                     return false;
                 }
                 auto last_token = get_token_string();
-                return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "expected '#' after type information; last byte: 0x" + last_token, "size")));
+                return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "expected '#' after type information; last byte: 0x" + last_token, "size"), BasicJsonType()));
             }
 
             return get_ubjson_size_value(result.first);
@@ -2020,7 +2070,7 @@ class binary_reader
                 if (JSON_HEDLEY_UNLIKELY(current > 127))
                 {
                     auto last_token = get_token_string();
-                    return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "byte after 'C' must be in range 0x00..0x7F; last byte: 0x" + last_token, "char")));
+                    return sax->parse_error(chars_read, last_token, parse_error::create(113, chars_read, exception_message(input_format_t::ubjson, "byte after 'C' must be in range 0x00..0x7F; last byte: 0x" + last_token, "char"), BasicJsonType()));
                 }
                 string_t s(1, static_cast<typename string_t::value_type>(current));
                 return sax->string(s);
@@ -2041,7 +2091,7 @@ class binary_reader
             default: // anything else
             {
                 auto last_token = get_token_string();
-                return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "invalid byte: 0x" + last_token, "value")));
+                return sax->parse_error(chars_read, last_token, parse_error::create(112, chars_read, exception_message(input_format_t::ubjson, "invalid byte: 0x" + last_token, "value"), BasicJsonType()));
             }
         }
     }
@@ -2209,8 +2259,8 @@ class binary_reader
         }
 
         // parse number string
-        auto number_ia = detail::input_adapter(std::forward<decltype(number_vector)>(number_vector));
+        using ia_type = decltype(detail::input_adapter(number_vector));
-        auto number_lexer = detail::lexer<BasicJsonType, decltype(number_ia)>(std::move(number_ia), false);
+        auto number_lexer = detail::lexer<BasicJsonType, ia_type>(detail::input_adapter(number_vector), false);
         const auto result_number = number_lexer.scan();
         const auto number_string = number_lexer.get_token_string();
         const auto result_remainder = number_lexer.scan();
@@ -2219,7 +2269,7 @@ class binary_reader
 
         if (JSON_HEDLEY_UNLIKELY(result_remainder != token_type::end_of_input))
         {
-            return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
+            return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"), BasicJsonType()));
         }
 
         switch (result_number)
@@ -2230,8 +2280,22 @@ class binary_reader
                 return sax->number_unsigned(number_lexer.get_number_unsigned());
             case token_type::value_float:
                 return sax->number_float(number_lexer.get_number_float(), std::move(number_string));
+            case token_type::uninitialized:
+            case token_type::literal_true:
+            case token_type::literal_false:
+            case token_type::literal_null:
+            case token_type::value_string:
+            case token_type::begin_array:
+            case token_type::begin_object:
+            case token_type::end_array:
+            case token_type::end_object:
+            case token_type::name_separator:
+            case token_type::value_separator:
+            case token_type::parse_error:
+            case token_type::end_of_input:
+            case token_type::literal_or_value:
             default:
-                return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number")));
+                return sax->parse_error(chars_read, number_string, parse_error::create(115, chars_read, exception_message(input_format_t::ubjson, "invalid number text: " + number_lexer.get_token_string(), "high-precision number"), BasicJsonType()));
         }
     }
 
@@ -2285,7 +2349,7 @@ class binary_reader
     bool get_number(const input_format_t format, NumberType& result)
     {
         // step 1: read input into array with system's byte order
-        std::array<std::uint8_t, sizeof(NumberType)> vec;
+        std::array<std::uint8_t, sizeof(NumberType)> vec{};
         for (std::size_t i = 0; i < sizeof(NumberType); ++i)
         {
             get();
@@ -2339,7 +2403,7 @@ class binary_reader
                 break;
             }
             result.push_back(static_cast<typename string_t::value_type>(current));
-        };
+        }
         return success;
     }
 
@@ -2387,7 +2451,7 @@ class binary_reader
         if (JSON_HEDLEY_UNLIKELY(current == std::char_traits<char_type>::eof()))
         {
             return sax->parse_error(chars_read, "<end of file>",
-                                    parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context)));
+                                    parse_error::create(110, chars_read, exception_message(format, "unexpected end of input", context), BasicJsonType()));
         }
         return true;
     }
@@ -2398,7 +2462,7 @@ class binary_reader
     std::string get_token_string() const
     {
         std::array<char, 3> cr{{}};
-        (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast<unsigned char>(current));
+        (std::snprintf)(cr.data(), cr.size(), "%.2hhX", static_cast<unsigned char>(current)); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
         return std::string{cr.data()};
     }
 
@@ -2432,8 +2496,9 @@ class binary_reader
                 error_msg += "BSON";
                 break;
 
+            case input_format_t::json: // LCOV_EXCL_LINE
             default:            // LCOV_EXCL_LINE
-                JSON_ASSERT(false);  // LCOV_EXCL_LINE
+                JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
         }
 
         return error_msg + " " + context + ": " + detail;

external/json/include/nlohmann/detail/input/input_adapters.hpp

@@ -2,9 +2,7 @@
 
 #include <array> // array
 #include <cstddef> // size_t
-#include <cstdio> //FILE *
 #include <cstring> // strlen
-#include <istream> // istream
 #include <iterator> // begin, end, iterator_traits, random_access_iterator_tag, distance, next
 #include <memory> // shared_ptr, make_shared, addressof
 #include <numeric> // accumulate
@@ -12,6 +10,11 @@
 #include <type_traits> // enable_if, is_base_of, is_pointer, is_integral, remove_pointer
 #include <utility> // pair, declval
 
+#ifndef JSON_NO_IO
+    #include <cstdio>   // FILE *
+    #include <istream>  // istream
+#endif                  // JSON_NO_IO
+
 #include <nlohmann/detail/iterators/iterator_traits.hpp>
 #include <nlohmann/detail/macro_scope.hpp>
 
@@ -26,6 +29,7 @@ enum class input_format_t { json, cbor, msgpack, ubjson, bson };
 // input adapters //
 ////////////////////
 
+#ifndef JSON_NO_IO
 /*!
 Input adapter for stdio file access. This adapter read only 1 byte and do not use any
  buffer. This adapter is a very low level adapter.
@@ -42,9 +46,10 @@ class file_input_adapter
 
     // make class move-only
     file_input_adapter(const file_input_adapter&) = delete;
-    file_input_adapter(file_input_adapter&&) = default;
+    file_input_adapter(file_input_adapter&&) noexcept = default;
     file_input_adapter& operator=(const file_input_adapter&) = delete;
     file_input_adapter& operator=(file_input_adapter&&) = delete;
+    ~file_input_adapter() = default;
 
     std::char_traits<char>::int_type get_character() noexcept
     {
@@ -88,9 +93,10 @@ class input_stream_adapter
     // delete because of pointer members
     input_stream_adapter(const input_stream_adapter&) = delete;
     input_stream_adapter& operator=(input_stream_adapter&) = delete;
-    input_stream_adapter& operator=(input_stream_adapter&& rhs) = delete;
+    input_stream_adapter& operator=(input_stream_adapter&&) = delete;
 
-    input_stream_adapter(input_stream_adapter&& rhs) noexcept : is(rhs.is), sb(rhs.sb)
+    input_stream_adapter(input_stream_adapter&& rhs) noexcept
+        : is(rhs.is), sb(rhs.sb)
     {
         rhs.is = nullptr;
         rhs.sb = nullptr;
@@ -103,7 +109,7 @@ class input_stream_adapter
     {
         auto res = sb->sbumpc();
         // set eof manually, as we don't use the istream interface.
-        if (JSON_HEDLEY_UNLIKELY(res == EOF))
+        if (JSON_HEDLEY_UNLIKELY(res == std::char_traits<char>::eof()))
         {
             is->clear(is->rdstate() | std::ios::eofbit);
         }
@@ -115,6 +121,7 @@ class input_stream_adapter
     std::istream* is = nullptr;
     std::streambuf* sb = nullptr;
 };
+#endif  // JSON_NO_IO
 
 // General-purpose iterator-based adapter. It might not be as fast as
 // theoretically possible for some containers, but it is extremely versatile.
@@ -125,7 +132,8 @@ class iterator_input_adapter
     using char_type = typename std::iterator_traits<IteratorType>::value_type;
 
     iterator_input_adapter(IteratorType first, IteratorType last)
-        : current(std::move(first)), end(std::move(last)) {}
+        : current(std::move(first)), end(std::move(last))
+    {}
 
     typename std::char_traits<char_type>::int_type get_character()
     {
@@ -135,10 +143,8 @@ class iterator_input_adapter
             std::advance(current, 1);
             return result;
         }
-        else
+
-        {
+        return std::char_traits<char_type>::eof();
-            return std::char_traits<char_type>::eof();
-        }
     }
 
   private:
@@ -152,7 +158,6 @@ class iterator_input_adapter
     {
         return current == end;
     }
-
 };
 
 
@@ -371,16 +376,39 @@ typename iterator_input_adapter_factory<IteratorType>::adapter_type input_adapte
 }
 
 // Convenience shorthand from container to iterator
-template<typename ContainerType>
+// Enables ADL on begin(container) and end(container)
-auto input_adapter(const ContainerType& container) -> decltype(input_adapter(begin(container), end(container)))
+// Encloses the using declarations in namespace for not to leak them to outside scope
-{
-    // Enable ADL
-    using std::begin;
-    using std::end;
 
+namespace container_input_adapter_factory_impl
+{
+
+using std::begin;
+using std::end;
+
+template<typename ContainerType, typename Enable = void>
+struct container_input_adapter_factory {};
+
+template<typename ContainerType>
+struct container_input_adapter_factory< ContainerType,
+       void_t<decltype(begin(std::declval<ContainerType>()), end(std::declval<ContainerType>()))>>
+       {
+           using adapter_type = decltype(input_adapter(begin(std::declval<ContainerType>()), end(std::declval<ContainerType>())));
+
+           static adapter_type create(const ContainerType& container)
+{
     return input_adapter(begin(container), end(container));
 }
+       };
 
+} // namespace container_input_adapter_factory_impl
+
+template<typename ContainerType>
+typename container_input_adapter_factory_impl::container_input_adapter_factory<ContainerType>::adapter_type input_adapter(const ContainerType& container)
+{
+    return container_input_adapter_factory_impl::container_input_adapter_factory<ContainerType>::create(container);
+}
+
+#ifndef JSON_NO_IO
 // Special cases with fast paths
 inline file_input_adapter input_adapter(std::FILE* file)
 {
@@ -396,6 +424,7 @@ inline input_stream_adapter input_adapter(std::istream&& stream)
 {
     return input_stream_adapter(stream);
 }
+#endif  // JSON_NO_IO
 
 using contiguous_bytes_input_adapter = decltype(input_adapter(std::declval<const char*>(), std::declval<const char*>()));
 
@@ -415,7 +444,7 @@ contiguous_bytes_input_adapter input_adapter(CharT b)
 }
 
 template<typename T, std::size_t N>
-auto input_adapter(T (&array)[N]) -> decltype(input_adapter(array, array + N))
+auto input_adapter(T (&array)[N]) -> decltype(input_adapter(array, array + N)) // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)
 {
     return input_adapter(array, array + N);
 }
@@ -444,7 +473,7 @@ class span_input_adapter
 
     contiguous_bytes_input_adapter&& get()
     {
-        return std::move(ia);
+        return std::move(ia); // NOLINT(hicpp-move-const-arg,performance-move-const-arg)
     }
 
   private:

external/json/include/nlohmann/detail/input/json_sax.hpp

@@ -126,6 +126,11 @@ struct json_sax
                              const std::string& last_token,
                              const detail::exception& ex) = 0;
 
+    json_sax() = default;
+    json_sax(const json_sax&) = default;
+    json_sax(json_sax&&) noexcept = default;
+    json_sax& operator=(const json_sax&) = default;
+    json_sax& operator=(json_sax&&) noexcept = default;
     virtual ~json_sax() = default;
 };
 
@@ -156,7 +161,7 @@ class json_sax_dom_parser
     using binary_t = typename BasicJsonType::binary_t;
 
     /*!
-    @param[in, out] r  reference to a JSON value that is manipulated while
+    @param[in,out] r  reference to a JSON value that is manipulated while
                        parsing
     @param[in] allow_exceptions_  whether parse errors yield exceptions
     */
@@ -166,9 +171,9 @@ class json_sax_dom_parser
 
     // make class move-only
     json_sax_dom_parser(const json_sax_dom_parser&) = delete;
-    json_sax_dom_parser(json_sax_dom_parser&&) = default;
+    json_sax_dom_parser(json_sax_dom_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
     json_sax_dom_parser& operator=(const json_sax_dom_parser&) = delete;
-    json_sax_dom_parser& operator=(json_sax_dom_parser&&) = default;
+    json_sax_dom_parser& operator=(json_sax_dom_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
     ~json_sax_dom_parser() = default;
 
     bool null()
@@ -219,8 +224,7 @@ class json_sax_dom_parser
 
         if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size()))
         {
-            JSON_THROW(out_of_range::create(408,
+            JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len), *ref_stack.back()));
-                                            "excessive object size: " + std::to_string(len)));
         }
 
         return true;
@@ -235,6 +239,7 @@ class json_sax_dom_parser
 
     bool end_object()
     {
+        ref_stack.back()->set_parents();
         ref_stack.pop_back();
         return true;
     }
@@ -245,8 +250,7 @@ class json_sax_dom_parser
 
         if (JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size()))
         {
-            JSON_THROW(out_of_range::create(408,
+            JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len), *ref_stack.back()));
-                                            "excessive array size: " + std::to_string(len)));
         }
 
         return true;
@@ -254,6 +258,7 @@ class json_sax_dom_parser
 
     bool end_array()
     {
+        ref_stack.back()->set_parents();
         ref_stack.pop_back();
         return true;
     }
@@ -341,9 +346,9 @@ class json_sax_dom_callback_parser
 
     // make class move-only
     json_sax_dom_callback_parser(const json_sax_dom_callback_parser&) = delete;
-    json_sax_dom_callback_parser(json_sax_dom_callback_parser&&) = default;
+    json_sax_dom_callback_parser(json_sax_dom_callback_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
     json_sax_dom_callback_parser& operator=(const json_sax_dom_callback_parser&) = delete;
-    json_sax_dom_callback_parser& operator=(json_sax_dom_callback_parser&&) = default;
+    json_sax_dom_callback_parser& operator=(json_sax_dom_callback_parser&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
     ~json_sax_dom_callback_parser() = default;
 
     bool null()
@@ -400,7 +405,7 @@ class json_sax_dom_callback_parser
         // check object limit
         if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size()))
         {
-            JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len)));
+            JSON_THROW(out_of_range::create(408, "excessive object size: " + std::to_string(len), *ref_stack.back()));
         }
 
         return true;
@@ -425,10 +430,17 @@ class json_sax_dom_callback_parser
 
     bool end_object()
     {
-        if (ref_stack.back() && !callback(static_cast<int>(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back()))
+        if (ref_stack.back())
         {
-            // discard object
+            if (!callback(static_cast<int>(ref_stack.size()) - 1, parse_event_t::object_end, *ref_stack.back()))
-            *ref_stack.back() = discarded;
+            {
+                // discard object
+                *ref_stack.back() = discarded;
+            }
+            else
+            {
+                ref_stack.back()->set_parents();
+            }
         }
 
         JSON_ASSERT(!ref_stack.empty());
@@ -463,7 +475,7 @@ class json_sax_dom_callback_parser
         // check array limit
         if (ref_stack.back() && JSON_HEDLEY_UNLIKELY(len != std::size_t(-1) && len > ref_stack.back()->max_size()))
         {
-            JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len)));
+            JSON_THROW(out_of_range::create(408, "excessive array size: " + std::to_string(len), *ref_stack.back()));
         }
 
         return true;
@@ -476,7 +488,11 @@ class json_sax_dom_callback_parser
         if (ref_stack.back())
         {
             keep = callback(static_cast<int>(ref_stack.size()) - 1, parse_event_t::array_end, *ref_stack.back());
-            if (!keep)
+            if (keep)
+            {
+                ref_stack.back()->set_parents();
+            }
+            else
             {
                 // discard array
                 *ref_stack.back() = discarded;
@@ -574,7 +590,7 @@ class json_sax_dom_callback_parser
         // array
         if (ref_stack.back()->is_array())
         {
-            ref_stack.back()->m_value.array->push_back(std::move(value));
+            ref_stack.back()->m_value.array->emplace_back(std::move(value));
             return {true, &(ref_stack.back()->m_value.array->back())};
         }
 

external/json/include/nlohmann/detail/input/lexer.hpp

@@ -112,7 +112,7 @@ class lexer : public lexer_base<BasicJsonType>
   public:
     using token_type = typename lexer_base<BasicJsonType>::token_type;
 
-    explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false)
+    explicit lexer(InputAdapterType&& adapter, bool ignore_comments_ = false) noexcept
         : ia(std::move(adapter))
         , ignore_comments(ignore_comments_)
         , decimal_point_char(static_cast<char_int_type>(get_decimal_point()))
@@ -120,9 +120,9 @@ class lexer : public lexer_base<BasicJsonType>
 
     // delete because of pointer members
     lexer(const lexer&) = delete;
-    lexer(lexer&&) = default;
+    lexer(lexer&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
     lexer& operator=(lexer&) = delete;
-    lexer& operator=(lexer&&) = default;
+    lexer& operator=(lexer&&) = default; // NOLINT(hicpp-noexcept-move,performance-noexcept-move-constructor)
     ~lexer() = default;
 
   private:
@@ -231,7 +231,7 @@ class lexer : public lexer_base<BasicJsonType>
     /*!
     @brief scan a string literal
 
-    This function scans a string according to Sect. 7 of RFC 7159. While
+    This function scans a string according to Sect. 7 of RFC 8259. While
     scanning, bytes are escaped and copied into buffer token_buffer. Then the
     function returns successfully, token_buffer is *not* null-terminated (as it
     may contain \0 bytes), and token_buffer.size() is the number of bytes in the
@@ -921,10 +921,10 @@ class lexer : public lexer_base<BasicJsonType>
     /*!
     @brief scan a number literal
 
-    This function scans a string according to Sect. 6 of RFC 7159.
+    This function scans a string according to Sect. 6 of RFC 8259.
 
     The function is realized with a deterministic finite state machine derived
-    from the grammar described in RFC 7159. Starting in state "init", the
+    from the grammar described in RFC 8259. Starting in state "init", the
     input is read and used to determined the next state. Only state "done"
     accepts the number. State "error" is a trap state to model errors. In the
     table below, "anything" means any character but the ones listed before.
@@ -998,7 +998,7 @@ class lexer : public lexer_base<BasicJsonType>
 
             // all other characters are rejected outside scan_number()
             default:            // LCOV_EXCL_LINE
-                JSON_ASSERT(false);  // LCOV_EXCL_LINE
+                JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
         }
 
 scan_number_minus:
@@ -1236,7 +1236,7 @@ scan_number_done:
         // we are done scanning a number)
         unget();
 
-        char* endptr = nullptr;
+        char* endptr = nullptr; // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
         errno = 0;
 
         // try to parse integers first and fall back to floats
@@ -1447,7 +1447,7 @@ scan_number_done:
             {
                 // escape control characters
                 std::array<char, 9> cs{{}};
-                (std::snprintf)(cs.data(), cs.size(), "<U+%.4X>", static_cast<unsigned char>(c));
+                (std::snprintf)(cs.data(), cs.size(), "<U+%.4X>", static_cast<unsigned char>(c)); // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
                 result += cs.data();
             }
             else
@@ -1541,17 +1541,17 @@ scan_number_done:
             // literals
             case 't':
             {
-                std::array<char_type, 4> true_literal = {{'t', 'r', 'u', 'e'}};
+                std::array<char_type, 4> true_literal = {{char_type('t'), char_type('r'), char_type('u'), char_type('e')}};
                 return scan_literal(true_literal.data(), true_literal.size(), token_type::literal_true);
             }
             case 'f':
             {
-                std::array<char_type, 5> false_literal = {{'f', 'a', 'l', 's', 'e'}};
+                std::array<char_type, 5> false_literal = {{char_type('f'), char_type('a'), char_type('l'), char_type('s'), char_type('e')}};
                 return scan_literal(false_literal.data(), false_literal.size(), token_type::literal_false);
             }
             case 'n':
             {
-                std::array<char_type, 4> null_literal = {{'n', 'u', 'l', 'l'}};
+                std::array<char_type, 4> null_literal = {{char_type('n'), char_type('u'), char_type('l'), char_type('l')}};
                 return scan_literal(null_literal.data(), null_literal.size(), token_type::literal_null);
             }
 

external/json/include/nlohmann/detail/input/parser.hpp

@@ -23,7 +23,7 @@ namespace detail
 // parser //
 ////////////
 
-enum class parse_event_t : uint8_t
+enum class parse_event_t : std::uint8_t
 {
     /// the parser read `{` and started to process a JSON object
     object_start,
@@ -41,7 +41,7 @@ enum class parse_event_t : uint8_t
 
 template<typename BasicJsonType>
 using parser_callback_t =
-    std::function<bool(int depth, parse_event_t event, BasicJsonType& parsed)>;
+    std::function<bool(int /*depth*/, parse_event_t /*event*/, BasicJsonType& /*parsed*/)>;
 
 /*!
 @brief syntax analysis
@@ -88,7 +88,6 @@ class parser
         {
             json_sax_dom_callback_parser<BasicJsonType> sdp(result, callback, allow_exceptions);
             sax_parse_internal(&sdp);
-            result.assert_invariant();
 
             // in strict mode, input must be completely read
             if (strict && (get_token() != token_type::end_of_input))
@@ -96,7 +95,7 @@ class parser
                 sdp.parse_error(m_lexer.get_position(),
                                 m_lexer.get_token_string(),
                                 parse_error::create(101, m_lexer.get_position(),
-                                                    exception_message(token_type::end_of_input, "value")));
+                                                    exception_message(token_type::end_of_input, "value"), BasicJsonType()));
             }
 
             // in case of an error, return discarded value
@@ -117,15 +116,13 @@ class parser
         {
             json_sax_dom_parser<BasicJsonType> sdp(result, allow_exceptions);
             sax_parse_internal(&sdp);
-            result.assert_invariant();
 
             // in strict mode, input must be completely read
             if (strict && (get_token() != token_type::end_of_input))
             {
                 sdp.parse_error(m_lexer.get_position(),
                                 m_lexer.get_token_string(),
-                                parse_error::create(101, m_lexer.get_position(),
+                                parse_error::create(101, m_lexer.get_position(), exception_message(token_type::end_of_input, "value"), BasicJsonType()));
-                                                    exception_message(token_type::end_of_input, "value")));
             }
 
             // in case of an error, return discarded value
@@ -135,6 +132,8 @@ class parser
                 return;
             }
         }
+
+        result.assert_invariant();
     }
 
     /*!
@@ -161,8 +160,7 @@ class parser
         {
             return sax->parse_error(m_lexer.get_position(),
                                     m_lexer.get_token_string(),
-                                    parse_error::create(101, m_lexer.get_position(),
+                                    parse_error::create(101, m_lexer.get_position(), exception_message(token_type::end_of_input, "value"), BasicJsonType()));
-                                            exception_message(token_type::end_of_input, "value")));
         }
 
         return result;
@@ -208,8 +206,7 @@ class parser
                         {
                             return sax->parse_error(m_lexer.get_position(),
                                                     m_lexer.get_token_string(),
-                                                    parse_error::create(101, m_lexer.get_position(),
+                                                    parse_error::create(101, m_lexer.get_position(), exception_message(token_type::value_string, "object key"), BasicJsonType()));
-                                                            exception_message(token_type::value_string, "object key")));
                         }
                         if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string())))
                         {
@@ -221,8 +218,7 @@ class parser
                         {
                             return sax->parse_error(m_lexer.get_position(),
                                                     m_lexer.get_token_string(),
-                                                    parse_error::create(101, m_lexer.get_position(),
+                                                    parse_error::create(101, m_lexer.get_position(), exception_message(token_type::name_separator, "object separator"), BasicJsonType()));
-                                                            exception_message(token_type::name_separator, "object separator")));
                         }
 
                         // remember we are now inside an object
@@ -265,7 +261,7 @@ class parser
                         {
                             return sax->parse_error(m_lexer.get_position(),
                                                     m_lexer.get_token_string(),
-                                                    out_of_range::create(406, "number overflow parsing '" + m_lexer.get_token_string() + "'"));
+                                                    out_of_range::create(406, "number overflow parsing '" + m_lexer.get_token_string() + "'", BasicJsonType()));
                         }
 
                         if (JSON_HEDLEY_UNLIKELY(!sax->number_float(res, m_lexer.get_string())))
@@ -335,16 +331,21 @@ class parser
                         // using "uninitialized" to avoid "expected" message
                         return sax->parse_error(m_lexer.get_position(),
                                                 m_lexer.get_token_string(),
-                                                parse_error::create(101, m_lexer.get_position(),
+                                                parse_error::create(101, m_lexer.get_position(), exception_message(token_type::uninitialized, "value"), BasicJsonType()));
-                                                        exception_message(token_type::uninitialized, "value")));
                     }
 
+                    case token_type::uninitialized:
+                    case token_type::end_array:
+                    case token_type::end_object:
+                    case token_type::name_separator:
+                    case token_type::value_separator:
+                    case token_type::end_of_input:
+                    case token_type::literal_or_value:
                     default: // the last token was unexpected
                     {
                         return sax->parse_error(m_lexer.get_position(),
                                                 m_lexer.get_token_string(),
-                                                parse_error::create(101, m_lexer.get_position(),
+                                                parse_error::create(101, m_lexer.get_position(), exception_message(token_type::literal_or_value, "value"), BasicJsonType()));
-                                                        exception_message(token_type::literal_or_value, "value")));
                     }
                 }
             }
@@ -390,65 +391,61 @@ class parser
 
                 return sax->parse_error(m_lexer.get_position(),
                                         m_lexer.get_token_string(),
-                                        parse_error::create(101, m_lexer.get_position(),
+                                        parse_error::create(101, m_lexer.get_position(), exception_message(token_type::end_array, "array"), BasicJsonType()));
-                                                exception_message(token_type::end_array, "array")));
             }
-            else  // object
+
+            // states.back() is false -> object
+
+            // comma -> next value
+            if (get_token() == token_type::value_separator)
             {
-                // comma -> next value
+                // parse key
-                if (get_token() == token_type::value_separator)
+                if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::value_string))
                 {
-                    // parse key
+                    return sax->parse_error(m_lexer.get_position(),
-                    if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::value_string))
+                                            m_lexer.get_token_string(),
-                    {
+                                            parse_error::create(101, m_lexer.get_position(), exception_message(token_type::value_string, "object key"), BasicJsonType()));
-                        return sax->parse_error(m_lexer.get_position(),
-                                                m_lexer.get_token_string(),
-                                                parse_error::create(101, m_lexer.get_position(),
-                                                        exception_message(token_type::value_string, "object key")));
-                    }
-
-                    if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string())))
-                    {
-                        return false;
-                    }
-
-                    // parse separator (:)
-                    if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator))
-                    {
-                        return sax->parse_error(m_lexer.get_position(),
-                                                m_lexer.get_token_string(),
-                                                parse_error::create(101, m_lexer.get_position(),
-                                                        exception_message(token_type::name_separator, "object separator")));
-                    }
-
-                    // parse values
-                    get_token();
-                    continue;
                 }
 
-                // closing }
+                if (JSON_HEDLEY_UNLIKELY(!sax->key(m_lexer.get_string())))
-                if (JSON_HEDLEY_LIKELY(last_token == token_type::end_object))
                 {
-                    if (JSON_HEDLEY_UNLIKELY(!sax->end_object()))
+                    return false;
-                    {
-                        return false;
-                    }
-
-                    // We are done with this object. Before we can parse a
-                    // new value, we need to evaluate the new state first.
-                    // By setting skip_to_state_evaluation to false, we
-                    // are effectively jumping to the beginning of this if.
-                    JSON_ASSERT(!states.empty());
-                    states.pop_back();
-                    skip_to_state_evaluation = true;
-                    continue;
                 }
 
-                return sax->parse_error(m_lexer.get_position(),
+                // parse separator (:)
-                                        m_lexer.get_token_string(),
+                if (JSON_HEDLEY_UNLIKELY(get_token() != token_type::name_separator))
-                                        parse_error::create(101, m_lexer.get_position(),
+                {
-                                                exception_message(token_type::end_object, "object")));
+                    return sax->parse_error(m_lexer.get_position(),
+                                            m_lexer.get_token_string(),
+                                            parse_error::create(101, m_lexer.get_position(), exception_message(token_type::name_separator, "object separator"), BasicJsonType()));
+                }
+
+                // parse values
+                get_token();
+                continue;
             }
+
+            // closing }
+            if (JSON_HEDLEY_LIKELY(last_token == token_type::end_object))
+            {
+                if (JSON_HEDLEY_UNLIKELY(!sax->end_object()))
+                {
+                    return false;
+                }
+
+                // We are done with this object. Before we can parse a
+                // new value, we need to evaluate the new state first.
+                // By setting skip_to_state_evaluation to false, we
+                // are effectively jumping to the beginning of this if.
+                JSON_ASSERT(!states.empty());
+                states.pop_back();
+                skip_to_state_evaluation = true;
+                continue;
+            }
+
+            return sax->parse_error(m_lexer.get_position(),
+                                    m_lexer.get_token_string(),
+                                    parse_error::create(101, m_lexer.get_position(), exception_message(token_type::end_object, "object"), BasicJsonType()));
         }
     }
 
@@ -497,5 +494,6 @@ class parser
     /// whether to throw exceptions in case of errors
     const bool allow_exceptions = true;
 };
+
 }  // namespace detail
 }  // namespace nlohmann

external/json/include/nlohmann/detail/iterators/iter_impl.hpp

@@ -38,8 +38,10 @@ This class implements a both iterators (iterator and const_iterator) for the
 template<typename BasicJsonType>
 class iter_impl
 {
+    /// the iterator with BasicJsonType of different const-ness
+    using other_iter_impl = iter_impl<typename std::conditional<std::is_const<BasicJsonType>::value, typename std::remove_const<BasicJsonType>::type, const BasicJsonType>::type>;
     /// allow basic_json to access private members
-    friend iter_impl<typename std::conditional<std::is_const<BasicJsonType>::value, typename std::remove_const<BasicJsonType>::type, const BasicJsonType>::type>;
+    friend other_iter_impl;
     friend BasicJsonType;
     friend iteration_proxy<iter_impl>;
     friend iteration_proxy_value<iter_impl>;
@@ -73,8 +75,10 @@ class iter_impl
         typename BasicJsonType::const_reference,
         typename BasicJsonType::reference>::type;
 
-    /// default constructor
     iter_impl() = default;
+    ~iter_impl() = default;
+    iter_impl(iter_impl&&) noexcept = default;
+    iter_impl& operator=(iter_impl&&) noexcept = default;
 
     /*!
     @brief constructor for a given JSON instance
@@ -100,6 +104,14 @@ class iter_impl
                 break;
             }
 
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
                 m_it.primitive_iterator = primitive_iterator_t();
@@ -136,8 +148,11 @@ class iter_impl
     */
     iter_impl& operator=(const iter_impl<const BasicJsonType>& other) noexcept
     {
-        m_object = other.m_object;
+        if (&other != this)
-        m_it = other.m_it;
+        {
+            m_object = other.m_object;
+            m_it = other.m_it;
+        }
         return *this;
     }
 
@@ -156,14 +171,14 @@ class iter_impl
     @return const/non-const iterator
     @note It is not checked whether @a other is initialized.
     */
-    iter_impl& operator=(const iter_impl<typename std::remove_const<BasicJsonType>::type>& other) noexcept
+    iter_impl& operator=(const iter_impl<typename std::remove_const<BasicJsonType>::type>& other) noexcept // NOLINT(cert-oop54-cpp)
     {
         m_object = other.m_object;
         m_it = other.m_it;
         return *this;
     }
 
-  private:
+  JSON_PRIVATE_UNLESS_TESTED:
     /*!
     @brief set the iterator to the first value
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
@@ -193,6 +208,13 @@ class iter_impl
                 break;
             }
 
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
                 m_it.primitive_iterator.set_begin();
@@ -223,6 +245,14 @@ class iter_impl
                 break;
             }
 
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
                 m_it.primitive_iterator.set_end();
@@ -255,8 +285,15 @@ class iter_impl
             }
 
             case value_t::null:
-                JSON_THROW(invalid_iterator::create(214, "cannot get value"));
+                JSON_THROW(invalid_iterator::create(214, "cannot get value", *m_object));
 
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
                 if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin()))
@@ -264,7 +301,7 @@ class iter_impl
                     return *m_object;
                 }
 
-                JSON_THROW(invalid_iterator::create(214, "cannot get value"));
+                JSON_THROW(invalid_iterator::create(214, "cannot get value", *m_object));
             }
         }
     }
@@ -291,6 +328,14 @@ class iter_impl
                 return &*m_it.array_iterator;
             }
 
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
                 if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.is_begin()))
@@ -298,7 +343,7 @@ class iter_impl
                     return m_object;
                 }
 
-                JSON_THROW(invalid_iterator::create(214, "cannot get value"));
+                JSON_THROW(invalid_iterator::create(214, "cannot get value", *m_object));
             }
         }
     }
@@ -307,7 +352,7 @@ class iter_impl
     @brief post-increment (it++)
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
-    iter_impl const operator++(int)
+    iter_impl const operator++(int) // NOLINT(readability-const-return-type)
     {
         auto result = *this;
         ++(*this);
@@ -336,6 +381,14 @@ class iter_impl
                 break;
             }
 
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
                 ++m_it.primitive_iterator;
@@ -350,7 +403,7 @@ class iter_impl
     @brief post-decrement (it--)
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
-    iter_impl const operator--(int)
+    iter_impl const operator--(int) // NOLINT(readability-const-return-type)
     {
         auto result = *this;
         --(*this);
@@ -379,6 +432,14 @@ class iter_impl
                 break;
             }
 
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
                 --m_it.primitive_iterator;
@@ -390,15 +451,16 @@ class iter_impl
     }
 
     /*!
-    @brief  comparison: equal
+    @brief comparison: equal
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
-    bool operator==(const iter_impl& other) const
+    template < typename IterImpl, detail::enable_if_t < (std::is_same<IterImpl, iter_impl>::value || std::is_same<IterImpl, other_iter_impl>::value), std::nullptr_t > = nullptr >
+    bool operator==(const IterImpl& other) const
     {
         // if objects are not the same, the comparison is undefined
         if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object))
         {
-            JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers"));
+            JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers", *m_object));
         }
 
         JSON_ASSERT(m_object != nullptr);
@@ -411,22 +473,31 @@ class iter_impl
             case value_t::array:
                 return (m_it.array_iterator == other.m_it.array_iterator);
 
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
                 return (m_it.primitive_iterator == other.m_it.primitive_iterator);
         }
     }
 
     /*!
-    @brief  comparison: not equal
+    @brief comparison: not equal
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
-    bool operator!=(const iter_impl& other) const
+    template < typename IterImpl, detail::enable_if_t < (std::is_same<IterImpl, iter_impl>::value || std::is_same<IterImpl, other_iter_impl>::value), std::nullptr_t > = nullptr >
+    bool operator!=(const IterImpl& other) const
     {
         return !operator==(other);
     }
 
     /*!
-    @brief  comparison: smaller
+    @brief comparison: smaller
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     bool operator<(const iter_impl& other) const
@@ -434,7 +505,7 @@ class iter_impl
         // if objects are not the same, the comparison is undefined
         if (JSON_HEDLEY_UNLIKELY(m_object != other.m_object))
         {
-            JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers"));
+            JSON_THROW(invalid_iterator::create(212, "cannot compare iterators of different containers", *m_object));
         }
 
         JSON_ASSERT(m_object != nullptr);
@@ -442,18 +513,26 @@ class iter_impl
         switch (m_object->m_type)
         {
             case value_t::object:
-                JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators"));
+                JSON_THROW(invalid_iterator::create(213, "cannot compare order of object iterators", *m_object));
 
             case value_t::array:
                 return (m_it.array_iterator < other.m_it.array_iterator);
 
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
                 return (m_it.primitive_iterator < other.m_it.primitive_iterator);
         }
     }
 
     /*!
-    @brief  comparison: less than or equal
+    @brief comparison: less than or equal
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     bool operator<=(const iter_impl& other) const
@@ -462,7 +541,7 @@ class iter_impl
     }
 
     /*!
-    @brief  comparison: greater than
+    @brief comparison: greater than
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     bool operator>(const iter_impl& other) const
@@ -471,7 +550,7 @@ class iter_impl
     }
 
     /*!
-    @brief  comparison: greater than or equal
+    @brief comparison: greater than or equal
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     bool operator>=(const iter_impl& other) const
@@ -480,7 +559,7 @@ class iter_impl
     }
 
     /*!
-    @brief  add to iterator
+    @brief add to iterator
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     iter_impl& operator+=(difference_type i)
@@ -490,7 +569,7 @@ class iter_impl
         switch (m_object->m_type)
         {
             case value_t::object:
-                JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators"));
+                JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators", *m_object));
 
             case value_t::array:
             {
@@ -498,6 +577,14 @@ class iter_impl
                 break;
             }
 
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
                 m_it.primitive_iterator += i;
@@ -509,7 +596,7 @@ class iter_impl
     }
 
     /*!
-    @brief  subtract from iterator
+    @brief subtract from iterator
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     iter_impl& operator-=(difference_type i)
@@ -518,7 +605,7 @@ class iter_impl
     }
 
     /*!
-    @brief  add to iterator
+    @brief add to iterator
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     iter_impl operator+(difference_type i) const
@@ -529,7 +616,7 @@ class iter_impl
     }
 
     /*!
-    @brief  addition of distance and iterator
+    @brief addition of distance and iterator
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     friend iter_impl operator+(difference_type i, const iter_impl& it)
@@ -540,7 +627,7 @@ class iter_impl
     }
 
     /*!
-    @brief  subtract from iterator
+    @brief subtract from iterator
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     iter_impl operator-(difference_type i) const
@@ -551,7 +638,7 @@ class iter_impl
     }
 
     /*!
-    @brief  return difference
+    @brief return difference
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     difference_type operator-(const iter_impl& other) const
@@ -561,18 +648,26 @@ class iter_impl
         switch (m_object->m_type)
         {
             case value_t::object:
-                JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators"));
+                JSON_THROW(invalid_iterator::create(209, "cannot use offsets with object iterators", *m_object));
 
             case value_t::array:
                 return m_it.array_iterator - other.m_it.array_iterator;
 
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
                 return m_it.primitive_iterator - other.m_it.primitive_iterator;
         }
     }
 
     /*!
-    @brief  access to successor
+    @brief access to successor
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     reference operator[](difference_type n) const
@@ -582,14 +677,21 @@ class iter_impl
         switch (m_object->m_type)
         {
             case value_t::object:
-                JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators"));
+                JSON_THROW(invalid_iterator::create(208, "cannot use operator[] for object iterators", *m_object));
 
             case value_t::array:
                 return *std::next(m_it.array_iterator, n);
 
             case value_t::null:
-                JSON_THROW(invalid_iterator::create(214, "cannot get value"));
+                JSON_THROW(invalid_iterator::create(214, "cannot get value", *m_object));
 
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
                 if (JSON_HEDLEY_LIKELY(m_it.primitive_iterator.get_value() == -n))
@@ -597,13 +699,13 @@ class iter_impl
                     return *m_object;
                 }
 
-                JSON_THROW(invalid_iterator::create(214, "cannot get value"));
+                JSON_THROW(invalid_iterator::create(214, "cannot get value", *m_object));
             }
         }
     }
 
     /*!
-    @brief  return the key of an object iterator
+    @brief return the key of an object iterator
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     const typename object_t::key_type& key() const
@@ -615,11 +717,11 @@ class iter_impl
             return m_it.object_iterator->first;
         }
 
-        JSON_THROW(invalid_iterator::create(207, "cannot use key() for non-object iterators"));
+        JSON_THROW(invalid_iterator::create(207, "cannot use key() for non-object iterators", *m_object));
     }
 
     /*!
-    @brief  return the value of an iterator
+    @brief return the value of an iterator
     @pre The iterator is initialized; i.e. `m_object != nullptr`.
     */
     reference value() const
@@ -627,7 +729,7 @@ class iter_impl
         return operator*();
     }
 
-  private:
+  JSON_PRIVATE_UNLESS_TESTED:
     /// associated JSON instance
     pointer m_object = nullptr;
     /// the actual iterator of the associated instance

external/json/include/nlohmann/detail/iterators/iteration_proxy.hpp

@@ -4,6 +4,7 @@
 #include <iterator> // input_iterator_tag
 #include <string> // string, to_string
 #include <tuple> // tuple_size, get, tuple_element
+#include <utility> // move
 
 #include <nlohmann/detail/meta/type_traits.hpp>
 #include <nlohmann/detail/value_t.hpp>
@@ -39,10 +40,12 @@ template<typename IteratorType> class iteration_proxy_value
     /// a string representation of the array index
     mutable string_type array_index_str = "0";
     /// an empty string (to return a reference for primitive values)
-    const string_type empty_str = "";
+    const string_type empty_str{};
 
   public:
-    explicit iteration_proxy_value(IteratorType it) noexcept : anchor(it) {}
+    explicit iteration_proxy_value(IteratorType it) noexcept
+        : anchor(std::move(it))
+    {}
 
     /// dereference operator (needed for range-based for)
     iteration_proxy_value& operator*()
@@ -94,6 +97,14 @@ template<typename IteratorType> class iteration_proxy_value
                 return anchor.key();
 
             // use an empty key for all primitive types
+            case value_t::null:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
                 return empty_str;
         }

external/json/include/nlohmann/detail/iterators/json_reverse_iterator.hpp

@@ -48,7 +48,7 @@ class json_reverse_iterator : public std::reverse_iterator<Base>
     explicit json_reverse_iterator(const base_iterator& it) noexcept : base_iterator(it) {}
 
     /// post-increment (it++)
-    json_reverse_iterator const operator++(int)
+    json_reverse_iterator const operator++(int) // NOLINT(readability-const-return-type)
     {
         return static_cast<json_reverse_iterator>(base_iterator::operator++(1));
     }
@@ -60,7 +60,7 @@ class json_reverse_iterator : public std::reverse_iterator<Base>
     }
 
     /// post-decrement (it--)
-    json_reverse_iterator const operator--(int)
+    json_reverse_iterator const operator--(int) // NOLINT(readability-const-return-type)
     {
         return static_cast<json_reverse_iterator>(base_iterator::operator--(1));
     }

external/json/include/nlohmann/detail/iterators/primitive_iterator.hpp

@@ -3,6 +3,8 @@
 #include <cstddef> // ptrdiff_t
 #include <limits>  // numeric_limits
 
+#include <nlohmann/detail/macro_scope.hpp>
+
 namespace nlohmann
 {
 namespace detail
@@ -23,6 +25,7 @@ class primitive_iterator_t
     static constexpr difference_type begin_value = 0;
     static constexpr difference_type end_value = begin_value + 1;
 
+  JSON_PRIVATE_UNLESS_TESTED:
     /// iterator as signed integer type
     difference_type m_it = (std::numeric_limits<std::ptrdiff_t>::min)();
 
@@ -84,7 +87,7 @@ class primitive_iterator_t
         return *this;
     }
 
-    primitive_iterator_t const operator++(int) noexcept
+    primitive_iterator_t const operator++(int) noexcept // NOLINT(readability-const-return-type)
     {
         auto result = *this;
         ++m_it;
@@ -97,7 +100,7 @@ class primitive_iterator_t
         return *this;
     }
 
-    primitive_iterator_t const operator--(int) noexcept
+    primitive_iterator_t const operator--(int) noexcept // NOLINT(readability-const-return-type)
     {
         auto result = *this;
         --m_it;

external/json/include/nlohmann/detail/json_pointer.hpp

@@ -10,6 +10,7 @@
 
 #include <nlohmann/detail/exceptions.hpp>
 #include <nlohmann/detail/macro_scope.hpp>
+#include <nlohmann/detail/string_escape.hpp>
 #include <nlohmann/detail/value_t.hpp>
 
 namespace nlohmann
@@ -67,7 +68,7 @@ class json_pointer
                                std::string{},
                                [](const std::string & a, const std::string & b)
         {
-            return a + "/" + escape(b);
+            return a + "/" + detail::escape(b);
         });
     }
 
@@ -87,9 +88,9 @@ class json_pointer
 
     @complexity Linear in the length of @a ptr.
 
-    @sa @ref operator/=(std::string) to append a reference token
+    @sa see @ref operator/=(std::string) to append a reference token
-    @sa @ref operator/=(std::size_t) to append an array index
+    @sa see @ref operator/=(std::size_t) to append an array index
-    @sa @ref operator/(const json_pointer&, const json_pointer&) for a binary operator
+    @sa see @ref operator/(const json_pointer&, const json_pointer&) for a binary operator
 
     @since version 3.6.0
     */
@@ -111,9 +112,9 @@ class json_pointer
 
     @complexity Amortized constant.
 
-    @sa @ref operator/=(const json_pointer&) to append a JSON pointer
+    @sa see @ref operator/=(const json_pointer&) to append a JSON pointer
-    @sa @ref operator/=(std::size_t) to append an array index
+    @sa see @ref operator/=(std::size_t) to append an array index
-    @sa @ref operator/(const json_pointer&, std::size_t) for a binary operator
+    @sa see @ref operator/(const json_pointer&, std::size_t) for a binary operator
 
     @since version 3.6.0
     */
@@ -133,9 +134,9 @@ class json_pointer
 
     @complexity Amortized constant.
 
-    @sa @ref operator/=(const json_pointer&) to append a JSON pointer
+    @sa see @ref operator/=(const json_pointer&) to append a JSON pointer
-    @sa @ref operator/=(std::string) to append a reference token
+    @sa see @ref operator/=(std::string) to append a reference token
-    @sa @ref operator/(const json_pointer&, std::string) for a binary operator
+    @sa see @ref operator/(const json_pointer&, std::string) for a binary operator
 
     @since version 3.6.0
     */
@@ -155,7 +156,7 @@ class json_pointer
 
     @complexity Linear in the length of @a lhs and @a rhs.
 
-    @sa @ref operator/=(const json_pointer&) to append a JSON pointer
+    @sa see @ref operator/=(const json_pointer&) to append a JSON pointer
 
     @since version 3.6.0
     */
@@ -176,11 +177,11 @@ class json_pointer
 
     @complexity Linear in the length of @a ptr.
 
-    @sa @ref operator/=(std::string) to append a reference token
+    @sa see @ref operator/=(std::string) to append a reference token
 
     @since version 3.6.0
     */
-    friend json_pointer operator/(const json_pointer& ptr, std::string token)
+    friend json_pointer operator/(const json_pointer& ptr, std::string token) // NOLINT(performance-unnecessary-value-param)
     {
         return json_pointer(ptr) /= std::move(token);
     }
@@ -196,7 +197,7 @@ class json_pointer
 
     @complexity Linear in the length of @a ptr.
 
-    @sa @ref operator/=(std::size_t) to append an array index
+    @sa see @ref operator/=(std::size_t) to append an array index
 
     @since version 3.6.0
     */
@@ -247,7 +248,7 @@ class json_pointer
     {
         if (JSON_HEDLEY_UNLIKELY(empty()))
         {
-            JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent"));
+            JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent", BasicJsonType()));
         }
 
         reference_tokens.pop_back();
@@ -271,7 +272,7 @@ class json_pointer
     {
         if (JSON_HEDLEY_UNLIKELY(empty()))
         {
-            JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent"));
+            JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent", BasicJsonType()));
         }
 
         return reference_tokens.back();
@@ -337,49 +338,48 @@ class json_pointer
         // error condition (cf. RFC 6901, Sect. 4)
         if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && s[0] == '0'))
         {
-            JSON_THROW(detail::parse_error::create(106, 0,
+            JSON_THROW(detail::parse_error::create(106, 0, "array index '" + s + "' must not begin with '0'", BasicJsonType()));
-                                                   "array index '" + s +
-                                                   "' must not begin with '0'"));
         }
 
         // error condition (cf. RFC 6901, Sect. 4)
         if (JSON_HEDLEY_UNLIKELY(s.size() > 1 && !(s[0] >= '1' && s[0] <= '9')))
         {
-            JSON_THROW(detail::parse_error::create(109, 0, "array index '" + s + "' is not a number"));
+            JSON_THROW(detail::parse_error::create(109, 0, "array index '" + s + "' is not a number", BasicJsonType()));
         }
 
         std::size_t processed_chars = 0;
-        unsigned long long res = 0;
+        unsigned long long res = 0;  // NOLINT(runtime/int)
         JSON_TRY
         {
             res = std::stoull(s, &processed_chars);
         }
         JSON_CATCH(std::out_of_range&)
         {
-            JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'"));
+            JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'", BasicJsonType()));
         }
 
         // check if the string was completely read
         if (JSON_HEDLEY_UNLIKELY(processed_chars != s.size()))
         {
-            JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'"));
+            JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + s + "'", BasicJsonType()));
         }
 
         // only triggered on special platforms (like 32bit), see also
         // https://github.com/nlohmann/json/pull/2203
-        if (res >= static_cast<unsigned long long>((std::numeric_limits<size_type>::max)()))
+        if (res >= static_cast<unsigned long long>((std::numeric_limits<size_type>::max)()))  // NOLINT(runtime/int)
         {
-            JSON_THROW(detail::out_of_range::create(410, "array index " + s + " exceeds size_type")); // LCOV_EXCL_LINE
+            JSON_THROW(detail::out_of_range::create(410, "array index " + s + " exceeds size_type", BasicJsonType())); // LCOV_EXCL_LINE
         }
 
         return static_cast<size_type>(res);
     }
 
+  JSON_PRIVATE_UNLESS_TESTED:
     json_pointer top() const
     {
         if (JSON_HEDLEY_UNLIKELY(empty()))
         {
-            JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent"));
+            JSON_THROW(detail::out_of_range::create(405, "JSON pointer has no parent", BasicJsonType()));
         }
 
         json_pointer result = *this;
@@ -387,6 +387,7 @@ class json_pointer
         return result;
     }
 
+  private:
     /*!
     @brief create and return a reference to the pointed to value
 
@@ -397,7 +398,7 @@ class json_pointer
     */
     BasicJsonType& get_and_create(BasicJsonType& j) const
     {
-        auto result = &j;
+        auto* result = &j;
 
         // in case no reference tokens exist, return a reference to the JSON value
         // j which will be overwritten by a primitive value
@@ -440,8 +441,15 @@ class json_pointer
                 an error situation, because primitive values may only occur as
                 single value; that is, with an empty list of reference tokens.
                 */
+                case detail::value_t::string:
+                case detail::value_t::boolean:
+                case detail::value_t::number_integer:
+                case detail::value_t::number_unsigned:
+                case detail::value_t::number_float:
+                case detail::value_t::binary:
+                case detail::value_t::discarded:
                 default:
-                    JSON_THROW(detail::type_error::create(313, "invalid value to unflatten"));
+                    JSON_THROW(detail::type_error::create(313, "invalid value to unflatten", j));
             }
         }
 
@@ -512,8 +520,16 @@ class json_pointer
                     break;
                 }
 
+                case detail::value_t::null:
+                case detail::value_t::string:
+                case detail::value_t::boolean:
+                case detail::value_t::number_integer:
+                case detail::value_t::number_unsigned:
+                case detail::value_t::number_float:
+                case detail::value_t::binary:
+                case detail::value_t::discarded:
                 default:
-                    JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'"));
+                    JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'", *ptr));
             }
         }
 
@@ -546,7 +562,7 @@ class json_pointer
                         // "-" always fails the range check
                         JSON_THROW(detail::out_of_range::create(402,
                                                                 "array index '-' (" + std::to_string(ptr->m_value.array->size()) +
-                                                                ") is out of range"));
+                                                                ") is out of range", *ptr));
                     }
 
                     // note: at performs range check
@@ -554,8 +570,16 @@ class json_pointer
                     break;
                 }
 
+                case detail::value_t::null:
+                case detail::value_t::string:
+                case detail::value_t::boolean:
+                case detail::value_t::number_integer:
+                case detail::value_t::number_unsigned:
+                case detail::value_t::number_float:
+                case detail::value_t::binary:
+                case detail::value_t::discarded:
                 default:
-                    JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'"));
+                    JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'", *ptr));
             }
         }
 
@@ -593,9 +617,7 @@ class json_pointer
                     if (JSON_HEDLEY_UNLIKELY(reference_token == "-"))
                     {
                         // "-" cannot be used for const access
-                        JSON_THROW(detail::out_of_range::create(402,
+                        JSON_THROW(detail::out_of_range::create(402, "array index '-' (" + std::to_string(ptr->m_value.array->size()) + ") is out of range", *ptr));
-                                                                "array index '-' (" + std::to_string(ptr->m_value.array->size()) +
-                                                                ") is out of range"));
                     }
 
                     // use unchecked array access
@@ -603,8 +625,16 @@ class json_pointer
                     break;
                 }
 
+                case detail::value_t::null:
+                case detail::value_t::string:
+                case detail::value_t::boolean:
+                case detail::value_t::number_integer:
+                case detail::value_t::number_unsigned:
+                case detail::value_t::number_float:
+                case detail::value_t::binary:
+                case detail::value_t::discarded:
                 default:
-                    JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'"));
+                    JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'", *ptr));
             }
         }
 
@@ -637,7 +667,7 @@ class json_pointer
                         // "-" always fails the range check
                         JSON_THROW(detail::out_of_range::create(402,
                                                                 "array index '-' (" + std::to_string(ptr->m_value.array->size()) +
-                                                                ") is out of range"));
+                                                                ") is out of range", *ptr));
                     }
 
                     // note: at performs range check
@@ -645,8 +675,16 @@ class json_pointer
                     break;
                 }
 
+                case detail::value_t::null:
+                case detail::value_t::string:
+                case detail::value_t::boolean:
+                case detail::value_t::number_integer:
+                case detail::value_t::number_unsigned:
+                case detail::value_t::number_float:
+                case detail::value_t::binary:
+                case detail::value_t::discarded:
                 default:
-                    JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'"));
+                    JSON_THROW(detail::out_of_range::create(404, "unresolved reference token '" + reference_token + "'", *ptr));
             }
         }
 
@@ -715,6 +753,14 @@ class json_pointer
                     break;
                 }
 
+                case detail::value_t::null:
+                case detail::value_t::string:
+                case detail::value_t::boolean:
+                case detail::value_t::number_integer:
+                case detail::value_t::number_unsigned:
+                case detail::value_t::number_float:
+                case detail::value_t::binary:
+                case detail::value_t::discarded:
                 default:
                 {
                     // we do not expect primitive values if there is still a
@@ -750,9 +796,7 @@ class json_pointer
         // check if nonempty reference string begins with slash
         if (JSON_HEDLEY_UNLIKELY(reference_string[0] != '/'))
         {
-            JSON_THROW(detail::parse_error::create(107, 1,
+            JSON_THROW(detail::parse_error::create(107, 1, "JSON pointer must be empty or begin with '/' - was: '" + reference_string + "'", BasicJsonType()));
-                                                   "JSON pointer must be empty or begin with '/' - was: '" +
-                                                   reference_string + "'"));
         }
 
         // extract the reference tokens:
@@ -787,57 +831,19 @@ class json_pointer
                                          (reference_token[pos + 1] != '0' &&
                                           reference_token[pos + 1] != '1')))
                 {
-                    JSON_THROW(detail::parse_error::create(108, 0, "escape character '~' must be followed with '0' or '1'"));
+                    JSON_THROW(detail::parse_error::create(108, 0, "escape character '~' must be followed with '0' or '1'", BasicJsonType()));
                 }
             }
 
             // finally, store the reference token
-            unescape(reference_token);
+            detail::unescape(reference_token);
             result.push_back(reference_token);
         }
 
         return result;
     }
 
-    /*!
+  private:
-    @brief replace all occurrences of a substring by another string
-
-    @param[in,out] s  the string to manipulate; changed so that all
-                   occurrences of @a f are replaced with @a t
-    @param[in]     f  the substring to replace with @a t
-    @param[in]     t  the string to replace @a f
-
-    @pre The search string @a f must not be empty. **This precondition is
-    enforced with an assertion.**
-
-    @since version 2.0.0
-    */
-    static void replace_substring(std::string& s, const std::string& f,
-                                  const std::string& t)
-    {
-        JSON_ASSERT(!f.empty());
-        for (auto pos = s.find(f);                // find first occurrence of f
-                pos != std::string::npos;         // make sure f was found
-                s.replace(pos, f.size(), t),      // replace with t, and
-                pos = s.find(f, pos + t.size()))  // find next occurrence of f
-        {}
-    }
-
-    /// escape "~" to "~0" and "/" to "~1"
-    static std::string escape(std::string s)
-    {
-        replace_substring(s, "~", "~0");
-        replace_substring(s, "/", "~1");
-        return s;
-    }
-
-    /// unescape "~1" to tilde and "~0" to slash (order is important!)
-    static void unescape(std::string& s)
-    {
-        replace_substring(s, "~1", "/");
-        replace_substring(s, "~0", "~");
-    }
-
     /*!
     @param[in] reference_string  the reference string to the current value
     @param[in] value             the value to consider
@@ -882,12 +888,20 @@ class json_pointer
                     // iterate object and use keys as reference string
                     for (const auto& element : *value.m_value.object)
                     {
-                        flatten(reference_string + "/" + escape(element.first), element.second, result);
+                        flatten(reference_string + "/" + detail::escape(element.first), element.second, result);
                     }
                 }
                 break;
             }
 
+            case detail::value_t::null:
+            case detail::value_t::string:
+            case detail::value_t::boolean:
+            case detail::value_t::number_integer:
+            case detail::value_t::number_unsigned:
+            case detail::value_t::number_float:
+            case detail::value_t::binary:
+            case detail::value_t::discarded:
             default:
             {
                 // add primitive value with its reference string
@@ -912,7 +926,7 @@ class json_pointer
     {
         if (JSON_HEDLEY_UNLIKELY(!value.is_object()))
         {
-            JSON_THROW(detail::type_error::create(314, "only objects can be unflattened"));
+            JSON_THROW(detail::type_error::create(314, "only objects can be unflattened", value));
         }
 
         BasicJsonType result;
@@ -922,7 +936,7 @@ class json_pointer
         {
             if (JSON_HEDLEY_UNLIKELY(!element.second.is_primitive()))
             {
-                JSON_THROW(detail::type_error::create(315, "values in object must be primitive"));
+                JSON_THROW(detail::type_error::create(315, "values in object must be primitive", element.second));
             }
 
             // assign value to reference pointed to by JSON pointer; Note that if

external/json/include/nlohmann/detail/json_ref.hpp

@@ -17,19 +17,14 @@ class json_ref
 
     json_ref(value_type&& value)
         : owned_value(std::move(value))
-        , value_ref(&owned_value)
-        , is_rvalue(true)
     {}
 
     json_ref(const value_type& value)
-        : value_ref(const_cast<value_type*>(&value))
+        : value_ref(&value)
-        , is_rvalue(false)
     {}
 
     json_ref(std::initializer_list<json_ref> init)
         : owned_value(init)
-        , value_ref(&owned_value)
-        , is_rvalue(true)
     {}
 
     template <
@@ -37,12 +32,10 @@ class json_ref
         enable_if_t<std::is_constructible<value_type, Args...>::value, int> = 0 >
     json_ref(Args && ... args)
         : owned_value(std::forward<Args>(args)...)
-        , value_ref(&owned_value)
-        , is_rvalue(true)
     {}
 
     // class should be movable only
-    json_ref(json_ref&&) = default;
+    json_ref(json_ref&&) noexcept = default;
     json_ref(const json_ref&) = delete;
     json_ref& operator=(const json_ref&) = delete;
     json_ref& operator=(json_ref&&) = delete;
@@ -50,27 +43,26 @@ class json_ref
 
     value_type moved_or_copied() const
     {
-        if (is_rvalue)
+        if (value_ref == nullptr)
         {
-            return std::move(*value_ref);
+            return std::move(owned_value);
         }
         return *value_ref;
     }
 
     value_type const& operator*() const
     {
-        return *static_cast<value_type const*>(value_ref);
+        return value_ref ? *value_ref : owned_value;
     }
 
     value_type const* operator->() const
     {
-        return static_cast<value_type const*>(value_ref);
+        return &** this;
     }
 
   private:
     mutable value_type owned_value = nullptr;
-    value_type* value_ref = nullptr;
+    value_type const* value_ref = nullptr;
-    const bool is_rvalue = true;
 };
 }  // namespace detail
 }  // namespace nlohmann

external/json/include/nlohmann/detail/macro_scope.hpp

@@ -1,7 +1,8 @@
 #pragma once
 
-#include <utility> // pair
+#include <utility> // declval, pair
 #include <nlohmann/thirdparty/hedley/hedley.hpp>
+#include <nlohmann/detail/meta/detected.hpp>
 
 // This file contains all internal macro definitions
 // You MUST include macro_unscope.hpp at the end of json.hpp to undef all of them
@@ -20,27 +21,27 @@
 #endif
 
 // C++ language standard detection
-#if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L)
+// if the user manually specified the used c++ version this is skipped
-    #define JSON_HAS_CPP_20
+#if !defined(JSON_HAS_CPP_20) && !defined(JSON_HAS_CPP_17) && !defined(JSON_HAS_CPP_14) && !defined(JSON_HAS_CPP_11)
-    #define JSON_HAS_CPP_17
+    #if (defined(__cplusplus) && __cplusplus >= 202002L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 202002L)
-    #define JSON_HAS_CPP_14
+        #define JSON_HAS_CPP_20
-#elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464
+        #define JSON_HAS_CPP_17
-    #define JSON_HAS_CPP_17
+        #define JSON_HAS_CPP_14
-    #define JSON_HAS_CPP_14
+    #elif (defined(__cplusplus) && __cplusplus >= 201703L) || (defined(_HAS_CXX17) && _HAS_CXX17 == 1) // fix for issue #464
-#elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1)
+        #define JSON_HAS_CPP_17
-    #define JSON_HAS_CPP_14
+        #define JSON_HAS_CPP_14
-#endif
+    #elif (defined(__cplusplus) && __cplusplus >= 201402L) || (defined(_HAS_CXX14) && _HAS_CXX14 == 1)
-
+        #define JSON_HAS_CPP_14
-// disable float-equal warnings on GCC/clang
+    #endif
-#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
+    // the cpp 11 flag is always specified because it is the minimal required version
-    #pragma GCC diagnostic push
+    #define JSON_HAS_CPP_11
-    #pragma GCC diagnostic ignored "-Wfloat-equal"
 #endif
 
 // disable documentation warnings on clang
 #if defined(__clang__)
-    #pragma GCC diagnostic push
+    #pragma clang diagnostic push
-    #pragma GCC diagnostic ignored "-Wdocumentation"
+    #pragma clang diagnostic ignored "-Wdocumentation"
+    #pragma clang diagnostic ignored "-Wdocumentation-unknown-command"
 #endif
 
 // allow to disable exceptions
@@ -83,6 +84,13 @@
     #define JSON_ASSERT(x) assert(x)
 #endif
 
+// allow to access some private functions (needed by the test suite)
+#if defined(JSON_TESTS_PRIVATE)
+    #define JSON_PRIVATE_UNLESS_TESTED public
+#else
+    #define JSON_PRIVATE_UNLESS_TESTED private
+#endif
+
 /*!
 @brief macro to briefly define a mapping between an enum and JSON
 @def NLOHMANN_JSON_SERIALIZE_ENUM
@@ -285,6 +293,45 @@
     inline void to_json(nlohmann::json& nlohmann_json_j, const Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_TO, __VA_ARGS__)) } \
     inline void from_json(const nlohmann::json& nlohmann_json_j, Type& nlohmann_json_t) { NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_PASTE(NLOHMANN_JSON_FROM, __VA_ARGS__)) }
 
+
+// inspired from https://stackoverflow.com/a/26745591
+// allows to call any std function as if (e.g. with begin):
+// using std::begin; begin(x);
+//
+// it allows using the detected idiom to retrieve the return type
+// of such an expression
+#define NLOHMANN_CAN_CALL_STD_FUNC_IMPL(std_name)                                 \
+    namespace detail {                                                            \
+    using std::std_name;                                                          \
+    \
+    template<typename... T>                                                       \
+    using result_of_##std_name = decltype(std_name(std::declval<T>()...));        \
+    }                                                                             \
+    \
+    namespace detail2 {                                                           \
+    struct std_name##_tag                                                         \
+    {                                                                             \
+    };                                                                            \
+    \
+    template<typename... T>                                                       \
+    std_name##_tag std_name(T&&...);                                              \
+    \
+    template<typename... T>                                                       \
+    using result_of_##std_name = decltype(std_name(std::declval<T>()...));        \
+    \
+    template<typename... T>                                                       \
+    struct would_call_std_##std_name                                              \
+    {                                                                             \
+        static constexpr auto const value = ::nlohmann::detail::                  \
+                                            is_detected_exact<std_name##_tag, result_of_##std_name, T...>::value; \
+    };                                                                            \
+    } /* namespace detail2 */ \
+    \
+    template<typename... T>                                                       \
+    struct would_call_std_##std_name : detail2::would_call_std_##std_name<T...>   \
+    {                                                                             \
+    }
+
 #ifndef JSON_USE_IMPLICIT_CONVERSIONS
     #define JSON_USE_IMPLICIT_CONVERSIONS 1
 #endif
@@ -294,3 +341,7 @@
 #else
     #define JSON_EXPLICIT explicit
 #endif
+
+#ifndef JSON_DIAGNOSTICS
+    #define JSON_DIAGNOSTICS 0
+#endif

external/json/include/nlohmann/detail/macro_unscope.hpp

@@ -1,11 +1,8 @@
 #pragma once
 
-// restore GCC/clang diagnostic settings
+// restore clang diagnostic settings
-#if defined(__clang__) || defined(__GNUC__) || defined(__GNUG__)
-    #pragma GCC diagnostic pop
-#endif
 #if defined(__clang__)
-    #pragma GCC diagnostic pop
+    #pragma clang diagnostic pop
 #endif
 
 // clean up
@@ -14,10 +11,14 @@
 #undef JSON_CATCH
 #undef JSON_THROW
 #undef JSON_TRY
+#undef JSON_PRIVATE_UNLESS_TESTED
+#undef JSON_HAS_CPP_11
 #undef JSON_HAS_CPP_14
 #undef JSON_HAS_CPP_17
+#undef JSON_HAS_CPP_20
 #undef NLOHMANN_BASIC_JSON_TPL_DECLARATION
 #undef NLOHMANN_BASIC_JSON_TPL
 #undef JSON_EXPLICIT
+#undef NLOHMANN_CAN_CALL_STD_FUNC_IMPL
 
 #include <nlohmann/thirdparty/hedley/hedley_undef.hpp>

external/json/include/nlohmann/detail/meta/call_std/begin.hpp

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <nlohmann/detail/macro_scope.hpp>
+
+namespace nlohmann
+{
+NLOHMANN_CAN_CALL_STD_FUNC_IMPL(begin);
+} // namespace nlohmann

external/json/include/nlohmann/detail/meta/call_std/end.hpp

@@ -0,0 +1,8 @@
+#pragma once
+
+#include <nlohmann/detail/macro_scope.hpp>
+
+namespace nlohmann
+{
+NLOHMANN_CAN_CALL_STD_FUNC_IMPL(end);
+}  // namespace nlohmann

external/json/include/nlohmann/detail/meta/cpp_future.hpp

@@ -2,49 +2,140 @@
 
 #include <cstddef> // size_t
 #include <type_traits> // conditional, enable_if, false_type, integral_constant, is_constructible, is_integral, is_same, remove_cv, remove_reference, true_type
+#include <utility> // index_sequence, make_index_sequence, index_sequence_for
+
+#include <nlohmann/detail/macro_scope.hpp>
 
 namespace nlohmann
 {
 namespace detail
 {
-// alias templates to reduce boilerplate
-template<bool B, typename T = void>
-using enable_if_t = typename std::enable_if<B, T>::type;
 
 template<typename T>
 using uncvref_t = typename std::remove_cv<typename std::remove_reference<T>::type>::type;
 
-// implementation of C++14 index_sequence and affiliates
+#ifdef JSON_HAS_CPP_14
-// source: https://stackoverflow.com/a/32223343
+
-template<std::size_t... Ints>
+// the following utilities are natively available in C++14
-struct index_sequence
+using std::enable_if_t;
+using std::index_sequence;
+using std::make_index_sequence;
+using std::index_sequence_for;
+
+#else
+
+// alias templates to reduce boilerplate
+template<bool B, typename T = void>
+using enable_if_t = typename std::enable_if<B, T>::type;
+
+// The following code is taken from https://github.com/abseil/abseil-cpp/blob/10cb35e459f5ecca5b2ff107635da0bfa41011b4/absl/utility/utility.h
+// which is part of Google Abseil (https://github.com/abseil/abseil-cpp), licensed under the Apache License 2.0.
+
+//// START OF CODE FROM GOOGLE ABSEIL
+
+// integer_sequence
+//
+// Class template representing a compile-time integer sequence. An instantiation
+// of `integer_sequence<T, Ints...>` has a sequence of integers encoded in its
+// type through its template arguments (which is a common need when
+// working with C++11 variadic templates). `absl::integer_sequence` is designed
+// to be a drop-in replacement for C++14's `std::integer_sequence`.
+//
+// Example:
+//
+//   template< class T, T... Ints >
+//   void user_function(integer_sequence<T, Ints...>);
+//
+//   int main()
+//   {
+//     // user_function's `T` will be deduced to `int` and `Ints...`
+//     // will be deduced to `0, 1, 2, 3, 4`.
+//     user_function(make_integer_sequence<int, 5>());
+//   }
+template <typename T, T... Ints>
+struct integer_sequence
 {
-    using type = index_sequence;
+    using value_type = T;
-    using value_type = std::size_t;
     static constexpr std::size_t size() noexcept
     {
         return sizeof...(Ints);
     }
 };
 
-template<class Sequence1, class Sequence2>
+// index_sequence
-struct merge_and_renumber;
+//
+// A helper template for an `integer_sequence` of `size_t`,
+// `absl::index_sequence` is designed to be a drop-in replacement for C++14's
+// `std::index_sequence`.
+template <size_t... Ints>
+using index_sequence = integer_sequence<size_t, Ints...>;
 
-template<std::size_t... I1, std::size_t... I2>
+namespace utility_internal
-struct merge_and_renumber<index_sequence<I1...>, index_sequence<I2...>>
+{
-        : index_sequence < I1..., (sizeof...(I1) + I2)... > {};
 
-template<std::size_t N>
+template <typename Seq, size_t SeqSize, size_t Rem>
-struct make_index_sequence
+struct Extend;
-    : merge_and_renumber < typename make_index_sequence < N / 2 >::type,
-      typename make_index_sequence < N - N / 2 >::type > {};
 
-template<> struct make_index_sequence<0> : index_sequence<> {};
+// Note that SeqSize == sizeof...(Ints). It's passed explicitly for efficiency.
-template<> struct make_index_sequence<1> : index_sequence<0> {};
+template <typename T, T... Ints, size_t SeqSize>
+struct Extend<integer_sequence<T, Ints...>, SeqSize, 0>
+{
+    using type = integer_sequence < T, Ints..., (Ints + SeqSize)... >;
+};
 
-template<typename... Ts>
+template <typename T, T... Ints, size_t SeqSize>
+struct Extend<integer_sequence<T, Ints...>, SeqSize, 1>
+{
+    using type = integer_sequence < T, Ints..., (Ints + SeqSize)..., 2 * SeqSize >;
+};
+
+// Recursion helper for 'make_integer_sequence<T, N>'.
+// 'Gen<T, N>::type' is an alias for 'integer_sequence<T, 0, 1, ... N-1>'.
+template <typename T, size_t N>
+struct Gen
+{
+    using type =
+        typename Extend < typename Gen < T, N / 2 >::type, N / 2, N % 2 >::type;
+};
+
+template <typename T>
+struct Gen<T, 0>
+{
+    using type = integer_sequence<T>;
+};
+
+}  // namespace utility_internal
+
+// Compile-time sequences of integers
+
+// make_integer_sequence
+//
+// This template alias is equivalent to
+// `integer_sequence<int, 0, 1, ..., N-1>`, and is designed to be a drop-in
+// replacement for C++14's `std::make_integer_sequence`.
+template <typename T, T N>
+using make_integer_sequence = typename utility_internal::Gen<T, N>::type;
+
+// make_index_sequence
+//
+// This template alias is equivalent to `index_sequence<0, 1, ..., N-1>`,
+// and is designed to be a drop-in replacement for C++14's
+// `std::make_index_sequence`.
+template <size_t N>
+using make_index_sequence = make_integer_sequence<size_t, N>;
+
+// index_sequence_for
+//
+// Converts a typename pack into an index sequence of the same length, and
+// is designed to be a drop-in replacement for C++14's
+// `std::index_sequence_for()`
+template <typename... Ts>
 using index_sequence_for = make_index_sequence<sizeof...(Ts)>;
 
+//// END OF CODE FROM GOOGLE ABSEIL
+
+#endif
+
 // dispatch utility (taken from ranges-v3)
 template<unsigned N> struct priority_tag : priority_tag < N - 1 > {};
 template<> struct priority_tag<0> {};
@@ -58,5 +149,6 @@ struct static_const
 
 template<typename T>
 constexpr T static_const<T>::value;
+
 }  // namespace detail
 }  // namespace nlohmann

external/json/include/nlohmann/detail/meta/detected.hpp

@@ -39,6 +39,9 @@ struct detector<Default, void_t<Op<Args...>>, Op, Args...>
 template<template<class...> class Op, class... Args>
 using is_detected = typename detector<nonesuch, void, Op, Args...>::value_t;
 
+template<template<class...> class Op, class... Args>
+struct is_detected_lazy : is_detected<Op, Args...> { };
+
 template<template<class...> class Op, class... Args>
 using detected_t = typename detector<nonesuch, void, Op, Args...>::type;
 

external/json/include/nlohmann/detail/meta/identity_tag.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+namespace nlohmann
+{
+namespace detail
+{
+// dispatching helper struct
+template <class T> struct identity_tag {};
+}  // namespace detail
+}  // namespace nlohmann

external/json/include/nlohmann/detail/meta/type_traits.hpp

@@ -3,9 +3,13 @@
 #include <limits> // numeric_limits
 #include <type_traits> // false_type, is_constructible, is_integral, is_same, true_type
 #include <utility> // declval
+#include <tuple> // tuple
+
+#include <nlohmann/detail/macro_scope.hpp>
 
 #include <nlohmann/detail/iterators/iterator_traits.hpp>
-#include <nlohmann/detail/macro_scope.hpp>
+#include <nlohmann/detail/meta/call_std/begin.hpp>
+#include <nlohmann/detail/meta/call_std/end.hpp>
 #include <nlohmann/detail/meta/cpp_future.hpp>
 #include <nlohmann/detail/meta/detected.hpp>
 #include <nlohmann/json_fwd.hpp>
@@ -78,9 +82,6 @@ using reference_t = typename T::reference;
 template<typename T>
 using iterator_category_t = typename T::iterator_category;
 
-template<typename T>
-using iterator_t = typename T::iterator;
-
 template<typename T, typename... Args>
 using to_json_function = decltype(T::to_json(std::declval<Args>()...));
 
@@ -105,8 +106,7 @@ struct is_getable
 };
 
 template<typename BasicJsonType, typename T>
-struct has_from_json < BasicJsonType, T,
+struct has_from_json < BasicJsonType, T, enable_if_t < !is_basic_json<T>::value >>
-           enable_if_t < !is_basic_json<T>::value >>
 {
     using serializer = typename BasicJsonType::template json_serializer<T, void>;
 
@@ -150,6 +150,55 @@ struct has_to_json < BasicJsonType, T, enable_if_t < !is_basic_json<T>::value >>
 // is_ functions //
 ///////////////////
 
+// https://en.cppreference.com/w/cpp/types/conjunction
+template<class...> struct conjunction : std::true_type { };
+template<class B1> struct conjunction<B1> : B1 { };
+template<class B1, class... Bn>
+struct conjunction<B1, Bn...>
+: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
+
+// https://en.cppreference.com/w/cpp/types/negation
+template<class B> struct negation : std::integral_constant < bool, !B::value > { };
+
+// Reimplementation of is_constructible and is_default_constructible, due to them being broken for
+// std::pair and std::tuple until LWG 2367 fix (see https://cplusplus.github.io/LWG/lwg-defects.html#2367).
+// This causes compile errors in e.g. clang 3.5 or gcc 4.9.
+template <typename T>
+struct is_default_constructible : std::is_default_constructible<T> {};
+
+template <typename T1, typename T2>
+struct is_default_constructible<std::pair<T1, T2>>
+            : conjunction<is_default_constructible<T1>, is_default_constructible<T2>> {};
+
+template <typename T1, typename T2>
+struct is_default_constructible<const std::pair<T1, T2>>
+            : conjunction<is_default_constructible<T1>, is_default_constructible<T2>> {};
+
+template <typename... Ts>
+struct is_default_constructible<std::tuple<Ts...>>
+            : conjunction<is_default_constructible<Ts>...> {};
+
+template <typename... Ts>
+struct is_default_constructible<const std::tuple<Ts...>>
+            : conjunction<is_default_constructible<Ts>...> {};
+
+
+template <typename T, typename... Args>
+struct is_constructible : std::is_constructible<T, Args...> {};
+
+template <typename T1, typename T2>
+struct is_constructible<std::pair<T1, T2>> : is_default_constructible<std::pair<T1, T2>> {};
+
+template <typename T1, typename T2>
+struct is_constructible<const std::pair<T1, T2>> : is_default_constructible<const std::pair<T1, T2>> {};
+
+template <typename... Ts>
+struct is_constructible<std::tuple<Ts...>> : is_default_constructible<std::tuple<Ts...>> {};
+
+template <typename... Ts>
+struct is_constructible<const std::tuple<Ts...>> : is_default_constructible<const std::tuple<Ts...>> {};
+
+
 template<typename T, typename = void>
 struct is_iterator_traits : std::false_type {};
 
@@ -168,7 +217,34 @@ struct is_iterator_traits<iterator_traits<T>>
         is_detected<reference_t, traits>::value;
 };
 
-// source: https://stackoverflow.com/a/37193089/4116453
+template<typename T>
+struct is_range
+{
+  private:
+    using t_ref = typename std::add_lvalue_reference<T>::type;
+
+    using iterator = detected_t<result_of_begin, t_ref>;
+    using sentinel = detected_t<result_of_end, t_ref>;
+
+    // to be 100% correct, it should use https://en.cppreference.com/w/cpp/iterator/input_or_output_iterator
+    // and https://en.cppreference.com/w/cpp/iterator/sentinel_for
+    // but reimplementing these would be too much work, as a lot of other concepts are used underneath
+    static constexpr auto is_iterator_begin =
+        is_iterator_traits<iterator_traits<iterator>>::value;
+
+  public:
+    static constexpr bool value = !std::is_same<iterator, nonesuch>::value && !std::is_same<sentinel, nonesuch>::value && is_iterator_begin;
+};
+
+template<typename R>
+using iterator_t = enable_if_t<is_range<R>::value, result_of_begin<decltype(std::declval<R&>())>>;
+
+template<typename T>
+using range_value_t = value_type_t<iterator_traits<iterator_t<T>>>;
+
+// The following implementation of is_complete_type is taken from
+// https://blogs.msdn.microsoft.com/vcblog/2015/12/02/partial-support-for-expression-sfinae-in-vs-2015-update-1/
+// and is written by Xiang Fan who agreed to using it in this library.
 
 template<typename T, typename = void>
 struct is_complete_type : std::false_type {};
@@ -186,14 +262,13 @@ struct is_compatible_object_type_impl <
     enable_if_t < is_detected<mapped_type_t, CompatibleObjectType>::value&&
     is_detected<key_type_t, CompatibleObjectType>::value >>
 {
-
     using object_t = typename BasicJsonType::object_t;
 
     // macOS's is_constructible does not play well with nonesuch...
     static constexpr bool value =
-        std::is_constructible<typename object_t::key_type,
+        is_constructible<typename object_t::key_type,
         typename CompatibleObjectType::key_type>::value &&
-        std::is_constructible<typename object_t::mapped_type,
+        is_constructible<typename object_t::mapped_type,
         typename CompatibleObjectType::mapped_type>::value;
 };
 
@@ -214,10 +289,10 @@ struct is_constructible_object_type_impl <
     using object_t = typename BasicJsonType::object_t;
 
     static constexpr bool value =
-        (std::is_default_constructible<ConstructibleObjectType>::value &&
+        (is_default_constructible<ConstructibleObjectType>::value &&
          (std::is_move_assignable<ConstructibleObjectType>::value ||
           std::is_copy_assignable<ConstructibleObjectType>::value) &&
-         (std::is_constructible<typename ConstructibleObjectType::key_type,
+         (is_constructible<typename ConstructibleObjectType::key_type,
           typename object_t::key_type>::value &&
           std::is_same <
           typename object_t::mapped_type,
@@ -234,42 +309,20 @@ struct is_constructible_object_type
     : is_constructible_object_type_impl<BasicJsonType,
       ConstructibleObjectType> {};
 
-template<typename BasicJsonType, typename CompatibleStringType,
-         typename = void>
-struct is_compatible_string_type_impl : std::false_type {};
-
 template<typename BasicJsonType, typename CompatibleStringType>
-struct is_compatible_string_type_impl <
-    BasicJsonType, CompatibleStringType,
-    enable_if_t<is_detected_exact<typename BasicJsonType::string_t::value_type,
-    value_type_t, CompatibleStringType>::value >>
-{
-    static constexpr auto value =
-        std::is_constructible<typename BasicJsonType::string_t, CompatibleStringType>::value;
-};
-
-template<typename BasicJsonType, typename ConstructibleStringType>
 struct is_compatible_string_type
-    : is_compatible_string_type_impl<BasicJsonType, ConstructibleStringType> {};
-
-template<typename BasicJsonType, typename ConstructibleStringType,
-         typename = void>
-struct is_constructible_string_type_impl : std::false_type {};
-
-template<typename BasicJsonType, typename ConstructibleStringType>
-struct is_constructible_string_type_impl <
-    BasicJsonType, ConstructibleStringType,
-    enable_if_t<is_detected_exact<typename BasicJsonType::string_t::value_type,
-    value_type_t, ConstructibleStringType>::value >>
 {
     static constexpr auto value =
-        std::is_constructible<ConstructibleStringType,
+        is_constructible<typename BasicJsonType::string_t, CompatibleStringType>::value;
-        typename BasicJsonType::string_t>::value;
 };
 
 template<typename BasicJsonType, typename ConstructibleStringType>
 struct is_constructible_string_type
-    : is_constructible_string_type_impl<BasicJsonType, ConstructibleStringType> {};
+{
+    static constexpr auto value =
+        is_constructible<ConstructibleStringType,
+        typename BasicJsonType::string_t>::value;
+};
 
 template<typename BasicJsonType, typename CompatibleArrayType, typename = void>
 struct is_compatible_array_type_impl : std::false_type {};
@@ -277,17 +330,16 @@ struct is_compatible_array_type_impl : std::false_type {};
 template<typename BasicJsonType, typename CompatibleArrayType>
 struct is_compatible_array_type_impl <
     BasicJsonType, CompatibleArrayType,
-    enable_if_t < is_detected<value_type_t, CompatibleArrayType>::value&&
+    enable_if_t <
     is_detected<iterator_t, CompatibleArrayType>::value&&
-// This is needed because json_reverse_iterator has a ::iterator type...
+    is_iterator_traits<iterator_traits<detected_t<iterator_t, CompatibleArrayType>>>::value&&
-// Therefore it is detected as a CompatibleArrayType.
+// special case for types like std::filesystem::path whose iterator's value_type are themselves
-// The real fix would be to have an Iterable concept.
+// c.f. https://github.com/nlohmann/json/pull/3073
-    !is_iterator_traits <
+    !std::is_same<CompatibleArrayType, detected_t<range_value_t, CompatibleArrayType>>::value >>
-    iterator_traits<CompatibleArrayType >>::value >>
 {
     static constexpr bool value =
-        std::is_constructible<BasicJsonType,
+        is_constructible<BasicJsonType,
-        typename CompatibleArrayType::value_type>::value;
+        range_value_t<CompatibleArrayType>>::value;
 };
 
 template<typename BasicJsonType, typename CompatibleArrayType>
@@ -309,28 +361,29 @@ struct is_constructible_array_type_impl <
     BasicJsonType, ConstructibleArrayType,
     enable_if_t < !std::is_same<ConstructibleArrayType,
     typename BasicJsonType::value_type>::value&&
-    std::is_default_constructible<ConstructibleArrayType>::value&&
+    !is_compatible_string_type<BasicJsonType, ConstructibleArrayType>::value&&
+    is_default_constructible<ConstructibleArrayType>::value&&
 (std::is_move_assignable<ConstructibleArrayType>::value ||
  std::is_copy_assignable<ConstructibleArrayType>::value)&&
-is_detected<value_type_t, ConstructibleArrayType>::value&&
 is_detected<iterator_t, ConstructibleArrayType>::value&&
-is_complete_type <
+is_iterator_traits<iterator_traits<detected_t<iterator_t, ConstructibleArrayType>>>::value&&
-detected_t<value_type_t, ConstructibleArrayType >>::value >>
+is_detected<range_value_t, ConstructibleArrayType>::value&&
+// special case for types like std::filesystem::path whose iterator's value_type are themselves
+// c.f. https://github.com/nlohmann/json/pull/3073
+!std::is_same<ConstructibleArrayType, detected_t<range_value_t, ConstructibleArrayType>>::value&&
+        is_complete_type <
+        detected_t<range_value_t, ConstructibleArrayType >>::value >>
 {
-    static constexpr bool value =
+    using value_type = range_value_t<ConstructibleArrayType>;
-        // This is needed because json_reverse_iterator has a ::iterator type,
-        // furthermore, std::back_insert_iterator (and other iterators) have a
-        // base class `iterator`... Therefore it is detected as a
-        // ConstructibleArrayType. The real fix would be to have an Iterable
-        // concept.
-        !is_iterator_traits<iterator_traits<ConstructibleArrayType>>::value &&
 
-        (std::is_same<typename ConstructibleArrayType::value_type,
+    static constexpr bool value =
-         typename BasicJsonType::array_t::value_type>::value ||
+        std::is_same<value_type,
-         has_from_json<BasicJsonType,
+        typename BasicJsonType::array_t::value_type>::value ||
-         typename ConstructibleArrayType::value_type>::value ||
+        has_from_json<BasicJsonType,
-         has_non_default_from_json <
+        value_type>::value ||
-         BasicJsonType, typename ConstructibleArrayType::value_type >::value);
+        has_non_default_from_json <
+        BasicJsonType,
+        value_type >::value;
 };
 
 template<typename BasicJsonType, typename ConstructibleArrayType>
@@ -353,7 +406,7 @@ struct is_compatible_integer_type_impl <
     using CompatibleLimits = std::numeric_limits<CompatibleNumberIntegerType>;
 
     static constexpr auto value =
-        std::is_constructible<RealIntegerType,
+        is_constructible<RealIntegerType,
         CompatibleNumberIntegerType>::value &&
         CompatibleLimits::is_integer &&
         RealLimits::is_signed == CompatibleLimits::is_signed;
@@ -380,17 +433,42 @@ template<typename BasicJsonType, typename CompatibleType>
 struct is_compatible_type
     : is_compatible_type_impl<BasicJsonType, CompatibleType> {};
 
-// https://en.cppreference.com/w/cpp/types/conjunction
-template<class...> struct conjunction : std::true_type { };
-template<class B1> struct conjunction<B1> : B1 { };
-template<class B1, class... Bn>
-struct conjunction<B1, Bn...>
-: std::conditional<bool(B1::value), conjunction<Bn...>, B1>::type {};
-
 template<typename T1, typename T2>
 struct is_constructible_tuple : std::false_type {};
 
 template<typename T1, typename... Args>
-struct is_constructible_tuple<T1, std::tuple<Args...>> : conjunction<std::is_constructible<T1, Args>...> {};
+struct is_constructible_tuple<T1, std::tuple<Args...>> : conjunction<is_constructible<T1, Args>...> {};
+
+// a naive helper to check if a type is an ordered_map (exploits the fact that
+// ordered_map inherits capacity() from std::vector)
+template <typename T>
+struct is_ordered_map
+{
+    using one = char;
+
+    struct two
+    {
+        char x[2]; // NOLINT(cppcoreguidelines-avoid-c-arrays,hicpp-avoid-c-arrays,modernize-avoid-c-arrays)
+    };
+
+    template <typename C> static one test( decltype(&C::capacity) ) ;
+    template <typename C> static two test(...);
+
+    enum { value = sizeof(test<T>(nullptr)) == sizeof(char) }; // NOLINT(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
+};
+
+// to avoid useless casts (see https://github.com/nlohmann/json/issues/2893#issuecomment-889152324)
+template < typename T, typename U, enable_if_t < !std::is_same<T, U>::value, int > = 0 >
+T conditional_static_cast(U value)
+{
+    return static_cast<T>(value);
+}
+
+template<typename T, typename U, enable_if_t<std::is_same<T, U>::value, int> = 0>
+T conditional_static_cast(U value)
+{
+    return value;
+}
+
 }  // namespace detail
 }  // namespace nlohmann

external/json/include/nlohmann/detail/output/binary_writer.hpp

@@ -2,11 +2,12 @@
 
 #include <algorithm> // reverse
 #include <array> // array
+#include <cmath> // isnan, isinf
 #include <cstdint> // uint8_t, uint16_t, uint32_t, uint64_t
 #include <cstring> // memcpy
 #include <limits> // numeric_limits
 #include <string> // string
-#include <cmath> // isnan, isinf
+#include <utility> // move
 
 #include <nlohmann/detail/input/binary_reader.hpp>
 #include <nlohmann/detail/macro_scope.hpp>
@@ -36,7 +37,7 @@ class binary_writer
 
     @param[in] adapter  output adapter to write to
     */
-    explicit binary_writer(output_adapter_t<CharType> adapter) : oa(adapter)
+    explicit binary_writer(output_adapter_t<CharType> adapter) : oa(std::move(adapter))
     {
         JSON_ASSERT(oa);
     }
@@ -55,9 +56,18 @@ class binary_writer
                 break;
             }
 
+            case value_t::null:
+            case value_t::array:
+            case value_t::string:
+            case value_t::boolean:
+            case value_t::number_integer:
+            case value_t::number_unsigned:
+            case value_t::number_float:
+            case value_t::binary:
+            case value_t::discarded:
             default:
             {
-                JSON_THROW(type_error::create(317, "to serialize to BSON, top-level type must be object, but is " + std::string(j.type_name())));
+                JSON_THROW(type_error::create(317, "to serialize to BSON, top-level type must be object, but is " + std::string(j.type_name()), j));
             }
         }
     }
@@ -281,8 +291,26 @@ class binary_writer
             {
                 if (j.m_value.binary->has_subtype())
                 {
-                    write_number(static_cast<std::uint8_t>(0xd8));
+                    if (j.m_value.binary->subtype() <= (std::numeric_limits<std::uint8_t>::max)())
-                    write_number(j.m_value.binary->subtype());
+                    {
+                        write_number(static_cast<std::uint8_t>(0xd8));
+                        write_number(static_cast<std::uint8_t>(j.m_value.binary->subtype()));
+                    }
+                    else if (j.m_value.binary->subtype() <= (std::numeric_limits<std::uint16_t>::max)())
+                    {
+                        write_number(static_cast<std::uint8_t>(0xd9));
+                        write_number(static_cast<std::uint16_t>(j.m_value.binary->subtype()));
+                    }
+                    else if (j.m_value.binary->subtype() <= (std::numeric_limits<std::uint32_t>::max)())
+                    {
+                        write_number(static_cast<std::uint8_t>(0xda));
+                        write_number(static_cast<std::uint32_t>(j.m_value.binary->subtype()));
+                    }
+                    else if (j.m_value.binary->subtype() <= (std::numeric_limits<std::uint64_t>::max)())
+                    {
+                        write_number(static_cast<std::uint8_t>(0xdb));
+                        write_number(static_cast<std::uint64_t>(j.m_value.binary->subtype()));
+                    }
                 }
 
                 // step 1: write control byte and the binary array size
@@ -362,6 +390,7 @@ class binary_writer
                 break;
             }
 
+            case value_t::discarded:
             default:
                 break;
         }
@@ -683,6 +712,7 @@ class binary_writer
                 break;
             }
 
+            case value_t::discarded:
             default:
                 break;
         }
@@ -887,6 +917,7 @@ class binary_writer
                 break;
             }
 
+            case value_t::discarded:
             default:
                 break;
         }
@@ -901,13 +932,13 @@ class binary_writer
     @return The size of a BSON document entry header, including the id marker
             and the entry name size (and its null-terminator).
     */
-    static std::size_t calc_bson_entry_header_size(const string_t& name)
+    static std::size_t calc_bson_entry_header_size(const string_t& name, const BasicJsonType& j)
     {
         const auto it = name.find(static_cast<typename string_t::value_type>(0));
         if (JSON_HEDLEY_UNLIKELY(it != BasicJsonType::string_t::npos))
         {
-            JSON_THROW(out_of_range::create(409,
+            JSON_THROW(out_of_range::create(409, "BSON key cannot contain code point U+0000 (at byte " + std::to_string(it) + ")", j));
-                                            "BSON key cannot contain code point U+0000 (at byte " + std::to_string(it) + ")"));
+            static_cast<void>(j);
         }
 
         return /*id*/ 1ul + name.size() + /*zero-terminator*/1u;
@@ -1017,21 +1048,21 @@ class binary_writer
     @brief Writes a BSON element with key @a name and unsigned @a value
     */
     void write_bson_unsigned(const string_t& name,
-                             const std::uint64_t value)
+                             const BasicJsonType& j)
     {
-        if (value <= static_cast<std::uint64_t>((std::numeric_limits<std::int32_t>::max)()))
+        if (j.m_value.number_unsigned <= static_cast<std::uint64_t>((std::numeric_limits<std::int32_t>::max)()))
         {
             write_bson_entry_header(name, 0x10 /* int32 */);
-            write_number<std::int32_t, true>(static_cast<std::int32_t>(value));
+            write_number<std::int32_t, true>(static_cast<std::int32_t>(j.m_value.number_unsigned));
         }
-        else if (value <= static_cast<std::uint64_t>((std::numeric_limits<std::int64_t>::max)()))
+        else if (j.m_value.number_unsigned <= static_cast<std::uint64_t>((std::numeric_limits<std::int64_t>::max)()))
         {
             write_bson_entry_header(name, 0x12 /* int64 */);
-            write_number<std::int64_t, true>(static_cast<std::int64_t>(value));
+            write_number<std::int64_t, true>(static_cast<std::int64_t>(j.m_value.number_unsigned));
         }
         else
         {
-            JSON_THROW(out_of_range::create(407, "integer number " + std::to_string(value) + " cannot be represented by BSON as it does not fit int64"));
+            JSON_THROW(out_of_range::create(407, "integer number " + std::to_string(j.m_value.number_unsigned) + " cannot be represented by BSON as it does not fit int64", j));
         }
     }
 
@@ -1096,7 +1127,7 @@ class binary_writer
         write_bson_entry_header(name, 0x05);
 
         write_number<std::int32_t, true>(static_cast<std::int32_t>(value.size()));
-        write_number(value.has_subtype() ? value.subtype() : std::uint8_t(0x00));
+        write_number(value.has_subtype() ? static_cast<std::uint8_t>(value.subtype()) : std::uint8_t(0x00));
 
         oa->write_characters(reinterpret_cast<const CharType*>(value.data()), value.size());
     }
@@ -1108,7 +1139,7 @@ class binary_writer
     static std::size_t calc_bson_element_size(const string_t& name,
             const BasicJsonType& j)
     {
-        const auto header_size = calc_bson_entry_header_size(name);
+        const auto header_size = calc_bson_entry_header_size(name, j);
         switch (j.type())
         {
             case value_t::object:
@@ -1139,8 +1170,9 @@ class binary_writer
                 return header_size + 0ul;
 
             // LCOV_EXCL_START
+            case value_t::discarded:
             default:
-                JSON_ASSERT(false);
+                JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert)
                 return 0ul;
                 // LCOV_EXCL_STOP
         }
@@ -1151,7 +1183,6 @@ class binary_writer
            key @a name.
     @param name The name to associate with the JSON entity @a j within the
                 current BSON document
-    @return The size of the BSON entry
     */
     void write_bson_element(const string_t& name,
                             const BasicJsonType& j)
@@ -1177,7 +1208,7 @@ class binary_writer
                 return write_bson_integer(name, j.m_value.number_integer);
 
             case value_t::number_unsigned:
-                return write_bson_unsigned(name, j.m_value.number_unsigned);
+                return write_bson_unsigned(name, j);
 
             case value_t::string:
                 return write_bson_string(name, *j.m_value.string);
@@ -1186,8 +1217,9 @@ class binary_writer
                 return write_bson_null(name);
 
             // LCOV_EXCL_START
+            case value_t::discarded:
             default:
-                JSON_ASSERT(false);
+                JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert)
                 return;
                 // LCOV_EXCL_STOP
         }
@@ -1196,8 +1228,8 @@ class binary_writer
     /*!
     @brief Calculates the size of the BSON serialization of the given
            JSON-object @a j.
-    @param[in] j  JSON value to serialize
+    @param[in] value  JSON value to serialize
-    @pre       j.type() == value_t::object
+    @pre       value.type() == value_t::object
     */
     static std::size_t calc_bson_object_size(const typename BasicJsonType::object_t& value)
     {
@@ -1211,8 +1243,8 @@ class binary_writer
     }
 
     /*!
-    @param[in] j  JSON value to serialize
+    @param[in] value  JSON value to serialize
-    @pre       j.type() == value_t::object
+    @pre       value.type() == value_t::object
     */
     void write_bson_object(const typename BasicJsonType::object_t& value)
     {
@@ -1476,6 +1508,7 @@ class binary_writer
             case value_t::object:
                 return '{';
 
+            case value_t::discarded:
             default:  // discarded values
                 return 'N';
         }
@@ -1510,7 +1543,7 @@ class binary_writer
     void write_number(const NumberType n)
     {
         // step 1: write number to array of length NumberType
-        std::array<CharType, sizeof(NumberType)> vec;
+        std::array<CharType, sizeof(NumberType)> vec{};
         std::memcpy(vec.data(), &n, sizeof(NumberType));
 
         // step 2: write array to output (with possible reordering)
@@ -1525,6 +1558,10 @@ class binary_writer
 
     void write_compact_float(const number_float_t n, detail::input_format_t format)
     {
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wfloat-equal"
+#endif
         if (static_cast<double>(n) >= static_cast<double>(std::numeric_limits<float>::lowest()) &&
                 static_cast<double>(n) <= static_cast<double>((std::numeric_limits<float>::max)()) &&
                 static_cast<double>(static_cast<float>(n)) == static_cast<double>(n))
@@ -1541,6 +1578,9 @@ class binary_writer
                                 : get_msgpack_float_prefix(n));
             write_number(n);
         }
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
     }
 
   public:

external/json/include/nlohmann/detail/output/output_adapters.hpp

@@ -2,12 +2,16 @@
 
 #include <algorithm> // copy
 #include <cstddef> // size_t
-#include <ios> // streamsize
 #include <iterator> // back_inserter
 #include <memory> // shared_ptr, make_shared
-#include <ostream> // basic_ostream
 #include <string> // basic_string
 #include <vector> // vector
+
+#ifndef JSON_NO_IO
+    #include <ios>      // streamsize
+    #include <ostream>  // basic_ostream
+#endif  // JSON_NO_IO
+
 #include <nlohmann/detail/macro_scope.hpp>
 
 namespace nlohmann
@@ -20,6 +24,12 @@ template<typename CharType> struct output_adapter_protocol
     virtual void write_character(CharType c) = 0;
     virtual void write_characters(const CharType* s, std::size_t length) = 0;
     virtual ~output_adapter_protocol() = default;
+
+    output_adapter_protocol() = default;
+    output_adapter_protocol(const output_adapter_protocol&) = default;
+    output_adapter_protocol(output_adapter_protocol&&) noexcept = default;
+    output_adapter_protocol& operator=(const output_adapter_protocol&) = default;
+    output_adapter_protocol& operator=(output_adapter_protocol&&) noexcept = default;
 };
 
 /// a type to simplify interfaces
@@ -27,11 +37,11 @@ template<typename CharType>
 using output_adapter_t = std::shared_ptr<output_adapter_protocol<CharType>>;
 
 /// output adapter for byte vectors
-template<typename CharType>
+template<typename CharType, typename AllocatorType = std::allocator<CharType>>
 class output_vector_adapter : public output_adapter_protocol<CharType>
 {
   public:
-    explicit output_vector_adapter(std::vector<CharType>& vec) noexcept
+    explicit output_vector_adapter(std::vector<CharType, AllocatorType>& vec) noexcept
         : v(vec)
     {}
 
@@ -47,9 +57,10 @@ class output_vector_adapter : public output_adapter_protocol<CharType>
     }
 
   private:
-    std::vector<CharType>& v;
+    std::vector<CharType, AllocatorType>& v;
 };
 
+#ifndef JSON_NO_IO
 /// output adapter for output streams
 template<typename CharType>
 class output_stream_adapter : public output_adapter_protocol<CharType>
@@ -73,6 +84,7 @@ class output_stream_adapter : public output_adapter_protocol<CharType>
   private:
     std::basic_ostream<CharType>& stream;
 };
+#endif  // JSON_NO_IO
 
 /// output adapter for basic_string
 template<typename CharType, typename StringType = std::basic_string<CharType>>
@@ -102,11 +114,14 @@ template<typename CharType, typename StringType = std::basic_string<CharType>>
 class output_adapter
 {
   public:
-    output_adapter(std::vector<CharType>& vec)
+    template<typename AllocatorType = std::allocator<CharType>>
-        : oa(std::make_shared<output_vector_adapter<CharType>>(vec)) {}
+    output_adapter(std::vector<CharType, AllocatorType>& vec)
+        : oa(std::make_shared<output_vector_adapter<CharType, AllocatorType>>(vec)) {}
 
+#ifndef JSON_NO_IO
     output_adapter(std::basic_ostream<CharType>& s)
         : oa(std::make_shared<output_stream_adapter<CharType>>(s)) {}
+#endif  // JSON_NO_IO
 
     output_adapter(StringType& s)
         : oa(std::make_shared<output_string_adapter<CharType, StringType>>(s)) {}

external/json/include/nlohmann/detail/output/serializer.hpp

@@ -358,11 +358,11 @@ class serializer
             }
 
             default:            // LCOV_EXCL_LINE
-                JSON_ASSERT(false);  // LCOV_EXCL_LINE
+                JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
         }
     }
 
-  private:
+  JSON_PRIVATE_UNLESS_TESTED:
     /*!
     @brief dump escaped string
 
@@ -379,7 +379,7 @@ class serializer
     */
     void dump_escaped(const string_t& s, const bool ensure_ascii)
     {
-        std::uint32_t codepoint;
+        std::uint32_t codepoint{};
         std::uint8_t state = UTF8_ACCEPT;
         std::size_t bytes = 0;  // number of bytes written to string_buffer
 
@@ -389,7 +389,7 @@ class serializer
 
         for (std::size_t i = 0; i < s.size(); ++i)
         {
-            const auto byte = static_cast<uint8_t>(s[i]);
+            const auto byte = static_cast<std::uint8_t>(s[i]);
 
             switch (decode(state, codepoint, byte))
             {
@@ -454,12 +454,14 @@ class serializer
                             {
                                 if (codepoint <= 0xFFFF)
                                 {
+                                    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
                                     (std::snprintf)(string_buffer.data() + bytes, 7, "\\u%04x",
                                                     static_cast<std::uint16_t>(codepoint));
                                     bytes += 6;
                                 }
                                 else
                                 {
+                                    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
                                     (std::snprintf)(string_buffer.data() + bytes, 13, "\\u%04x\\u%04x",
                                                     static_cast<std::uint16_t>(0xD7C0u + (codepoint >> 10u)),
                                                     static_cast<std::uint16_t>(0xDC00u + (codepoint & 0x3FFu)));
@@ -497,9 +499,10 @@ class serializer
                     {
                         case error_handler_t::strict:
                         {
-                            std::string sn(3, '\0');
+                            std::string sn(9, '\0');
+                            // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
                             (std::snprintf)(&sn[0], sn.size(), "%.2X", byte);
-                            JSON_THROW(type_error::create(316, "invalid UTF-8 byte at index " + std::to_string(i) + ": 0x" + sn));
+                            JSON_THROW(type_error::create(316, "invalid UTF-8 byte at index " + std::to_string(i) + ": 0x" + sn, BasicJsonType()));
                         }
 
                         case error_handler_t::ignore:
@@ -557,7 +560,7 @@ class serializer
                         }
 
                         default:            // LCOV_EXCL_LINE
-                            JSON_ASSERT(false);  // LCOV_EXCL_LINE
+                            JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
                     }
                     break;
                 }
@@ -591,9 +594,10 @@ class serializer
             {
                 case error_handler_t::strict:
                 {
-                    std::string sn(3, '\0');
+                    std::string sn(9, '\0');
+                    // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
                     (std::snprintf)(&sn[0], sn.size(), "%.2X", static_cast<std::uint8_t>(s.back()));
-                    JSON_THROW(type_error::create(316, "incomplete UTF-8 string; last byte: 0x" + sn));
+                    JSON_THROW(type_error::create(316, "incomplete UTF-8 string; last byte: 0x" + sn, BasicJsonType()));
                 }
 
                 case error_handler_t::ignore:
@@ -620,11 +624,12 @@ class serializer
                 }
 
                 default:            // LCOV_EXCL_LINE
-                    JSON_ASSERT(false);  // LCOV_EXCL_LINE
+                    JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
             }
         }
     }
 
+  private:
     /*!
     @brief count digits
 
@@ -669,6 +674,7 @@ class serializer
     @tparam NumberType either @a number_integer_t or @a number_unsigned_t
     */
     template < typename NumberType, detail::enable_if_t <
+                   std::is_integral<NumberType>::value ||
                    std::is_same<NumberType, number_unsigned_t>::value ||
                    std::is_same<NumberType, number_integer_t>::value ||
                    std::is_same<NumberType, binary_char_t>::value,
@@ -699,12 +705,12 @@ class serializer
         }
 
         // use a pointer to fill the buffer
-        auto buffer_ptr = number_buffer.begin();
+        auto buffer_ptr = number_buffer.begin(); // NOLINT(llvm-qualified-auto,readability-qualified-auto,cppcoreguidelines-pro-type-vararg,hicpp-vararg)
 
-        const bool is_negative = std::is_same<NumberType, number_integer_t>::value && !(x >= 0); // see issue #755
+        const bool is_negative = std::is_signed<NumberType>::value && !(x >= 0); // see issue #755
         number_unsigned_t abs_value;
 
-        unsigned int n_chars;
+        unsigned int n_chars{};
 
         if (is_negative)
         {
@@ -782,8 +788,8 @@ class serializer
 
     void dump_float(number_float_t x, std::true_type /*is_ieee_single_or_double*/)
     {
-        char* begin = number_buffer.data();
+        auto* begin = number_buffer.data();
-        char* end = ::nlohmann::detail::to_chars(begin, begin + number_buffer.size(), x);
+        auto* end = ::nlohmann::detail::to_chars(begin, begin + number_buffer.size(), x);
 
         o->write_characters(begin, static_cast<size_t>(end - begin));
     }
@@ -794,6 +800,7 @@ class serializer
         static constexpr auto d = std::numeric_limits<number_float_t>::max_digits10;
 
         // the actual conversion
+        // NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
         std::ptrdiff_t len = (std::snprintf)(number_buffer.data(), number_buffer.size(), "%.*g", d, x);
 
         // negative value indicates an error
@@ -804,8 +811,8 @@ class serializer
         // erase thousands separator
         if (thousands_sep != '\0')
         {
-            const auto end = std::remove(number_buffer.begin(),
+            // NOLINTNEXTLINE(readability-qualified-auto,llvm-qualified-auto): std::remove returns an iterator, see https://github.com/nlohmann/json/issues/3081
-                                         number_buffer.begin() + len, thousands_sep);
+            const auto end = std::remove(number_buffer.begin(), number_buffer.begin() + len, thousands_sep);
             std::fill(end, number_buffer.end(), '\0');
             JSON_ASSERT((end - number_buffer.begin()) <= len);
             len = (end - number_buffer.begin());
@@ -814,6 +821,7 @@ class serializer
         // convert decimal point to '.'
         if (decimal_point != '\0' && decimal_point != '.')
         {
+            // NOLINTNEXTLINE(readability-qualified-auto,llvm-qualified-auto): std::find returns an iterator, see https://github.com/nlohmann/json/issues/3081
             const auto dec_pos = std::find(number_buffer.begin(), number_buffer.end(), decimal_point);
             if (dec_pos != number_buffer.end())
             {
@@ -880,6 +888,7 @@ class serializer
             }
         };
 
+        JSON_ASSERT(byte < utf8d.size());
         const std::uint8_t type = utf8d[byte];
 
         codep = (state != UTF8_ACCEPT)
@@ -899,7 +908,7 @@ class serializer
      */
     number_unsigned_t remove_sign(number_unsigned_t x)
     {
-        JSON_ASSERT(false); // LCOV_EXCL_LINE
+        JSON_ASSERT(false); // NOLINT(cert-dcl03-c,hicpp-static-assert,misc-static-assert) LCOV_EXCL_LINE
         return x; // LCOV_EXCL_LINE
     }
 
@@ -914,7 +923,7 @@ class serializer
      */
     inline number_unsigned_t remove_sign(number_integer_t x) noexcept
     {
-        JSON_ASSERT(x < 0 && x < (std::numeric_limits<number_integer_t>::max)());
+        JSON_ASSERT(x < 0 && x < (std::numeric_limits<number_integer_t>::max)()); // NOLINT(misc-redundant-expression)
         return static_cast<number_unsigned_t>(-(x + 1)) + 1;
     }
 

external/json/include/nlohmann/detail/string_escape.hpp

@@ -0,0 +1,63 @@
+#pragma once
+
+#include <string>
+#include <nlohmann/detail/macro_scope.hpp>
+
+namespace nlohmann
+{
+namespace detail
+{
+
+/*!
+@brief replace all occurrences of a substring by another string
+
+@param[in,out] s  the string to manipulate; changed so that all
+               occurrences of @a f are replaced with @a t
+@param[in]     f  the substring to replace with @a t
+@param[in]     t  the string to replace @a f
+
+@pre The search string @a f must not be empty. **This precondition is
+enforced with an assertion.**
+
+@since version 2.0.0
+*/
+inline void replace_substring(std::string& s, const std::string& f,
+                              const std::string& t)
+{
+    JSON_ASSERT(!f.empty());
+    for (auto pos = s.find(f);                // find first occurrence of f
+            pos != std::string::npos;         // make sure f was found
+            s.replace(pos, f.size(), t),      // replace with t, and
+            pos = s.find(f, pos + t.size()))  // find next occurrence of f
+    {}
+}
+
+/*!
+ * @brief string escaping as described in RFC 6901 (Sect. 4)
+ * @param[in] s string to escape
+ * @return    escaped string
+ *
+ * Note the order of escaping "~" to "~0" and "/" to "~1" is important.
+ */
+inline std::string escape(std::string s)
+{
+    replace_substring(s, "~", "~0");
+    replace_substring(s, "/", "~1");
+    return s;
+}
+
+/*!
+ * @brief string unescaping as described in RFC 6901 (Sect. 4)
+ * @param[in] s string to unescape
+ * @return    unescaped string
+ *
+ * Note the order of escaping "~1" to "/" and "~0" to "~" is important.
+ */
+static void unescape(std::string& s)
+{
+    replace_substring(s, "~1", "/");
+    replace_substring(s, "~0", "~");
+}
+
+} // namespace detail
+} // namespace nlohmann

external/json/include/nlohmann/detail/value_t.hpp

@@ -32,7 +32,7 @@ number_float), because the library distinguishes these three types for numbers:
 @ref basic_json::number_float_t is used for floating-point numbers or to
 approximate integers which do not fit in the limits of their respective type.
 
-@sa @ref basic_json::basic_json(const value_t value_type) -- create a JSON
+@sa see @ref basic_json::basic_json(const value_t value_type) -- create a JSON
 value with the default value for a given type
 
 @since version 1.0.0

external/json/include/nlohmann/ordered_map.hpp

@@ -1,10 +1,16 @@
 #pragma once
 
 #include <functional> // less
+#include <initializer_list> // initializer_list
+#include <iterator> // input_iterator_tag, iterator_traits
 #include <memory> // allocator
+#include <stdexcept> // for out_of_range
+#include <type_traits> // enable_if, is_convertible
 #include <utility> // pair
 #include <vector> // vector
 
+#include <nlohmann/detail/macro_scope.hpp>
+
 namespace nlohmann
 {
 
@@ -64,7 +70,7 @@ template <class Key, class T, class IgnoredLess = std::less<Key>,
             }
         }
 
-        throw std::out_of_range("key not found");
+        JSON_THROW(std::out_of_range("key not found"));
     }
 
     const T& at(const Key& key) const
@@ -77,7 +83,7 @@ template <class Key, class T, class IgnoredLess = std::less<Key>,
             }
         }
 
-        throw std::out_of_range("key not found");
+        JSON_THROW(std::out_of_range("key not found"));
     }
 
     size_type erase(const Key& key)
@@ -166,6 +172,19 @@ template <class Key, class T, class IgnoredLess = std::less<Key>,
         Container::push_back(value);
         return {--this->end(), true};
     }
+
+    template<typename InputIt>
+    using require_input_iter = typename std::enable_if<std::is_convertible<typename std::iterator_traits<InputIt>::iterator_category,
+            std::input_iterator_tag>::value>::type;
+
+    template<typename InputIt, typename = require_input_iter<InputIt>>
+    void insert(InputIt first, InputIt last)
+    {
+        for (auto it = first; it != last; ++it)
+        {
+            insert(*it);
+        }
+    }
 };
 
 }  // namespace nlohmann

external/json/include/nlohmann/thirdparty/hedley/hedley.hpp

@@ -1,3 +1,5 @@
+#pragma once
+
 /* Hedley - https://nemequ.github.io/hedley
  * Created by Evan Nemerson <evan@nemerson.com>
  *
@@ -10,11 +12,11 @@
  * SPDX-License-Identifier: CC0-1.0
  */
 
-#if !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < 13)
+#if !defined(JSON_HEDLEY_VERSION) || (JSON_HEDLEY_VERSION < 15)
 #if defined(JSON_HEDLEY_VERSION)
     #undef JSON_HEDLEY_VERSION
 #endif
-#define JSON_HEDLEY_VERSION 13
+#define JSON_HEDLEY_VERSION 15
 
 #if defined(JSON_HEDLEY_STRINGIFY_EX)
     #undef JSON_HEDLEY_STRINGIFY_EX
@@ -87,18 +89,18 @@
 #if defined(JSON_HEDLEY_MSVC_VERSION)
     #undef JSON_HEDLEY_MSVC_VERSION
 #endif
-#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000)
+#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000) && !defined(__ICL)
     #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 10000000, (_MSC_FULL_VER % 10000000) / 100000, (_MSC_FULL_VER % 100000) / 100)
-#elif defined(_MSC_FULL_VER)
+#elif defined(_MSC_FULL_VER) && !defined(__ICL)
     #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_FULL_VER / 1000000, (_MSC_FULL_VER % 1000000) / 10000, (_MSC_FULL_VER % 10000) / 10)
-#elif defined(_MSC_VER)
+#elif defined(_MSC_VER) && !defined(__ICL)
     #define JSON_HEDLEY_MSVC_VERSION JSON_HEDLEY_VERSION_ENCODE(_MSC_VER / 100, _MSC_VER % 100, 0)
 #endif
 
 #if defined(JSON_HEDLEY_MSVC_VERSION_CHECK)
     #undef JSON_HEDLEY_MSVC_VERSION_CHECK
 #endif
-#if !defined(_MSC_VER)
+#if !defined(JSON_HEDLEY_MSVC_VERSION)
     #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (0)
 #elif defined(_MSC_VER) && (_MSC_VER >= 1400)
     #define JSON_HEDLEY_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch)))
@@ -111,9 +113,9 @@
 #if defined(JSON_HEDLEY_INTEL_VERSION)
     #undef JSON_HEDLEY_INTEL_VERSION
 #endif
-#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE)
+#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) && !defined(__ICL)
     #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE)
-#elif defined(__INTEL_COMPILER)
+#elif defined(__INTEL_COMPILER) && !defined(__ICL)
     #define JSON_HEDLEY_INTEL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0)
 #endif
 
@@ -126,6 +128,22 @@
     #define JSON_HEDLEY_INTEL_VERSION_CHECK(major,minor,patch) (0)
 #endif
 
+#if defined(JSON_HEDLEY_INTEL_CL_VERSION)
+    #undef JSON_HEDLEY_INTEL_CL_VERSION
+#endif
+#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) && defined(__ICL)
+    #define JSON_HEDLEY_INTEL_CL_VERSION JSON_HEDLEY_VERSION_ENCODE(__INTEL_COMPILER, __INTEL_COMPILER_UPDATE, 0)
+#endif
+
+#if defined(JSON_HEDLEY_INTEL_CL_VERSION_CHECK)
+    #undef JSON_HEDLEY_INTEL_CL_VERSION_CHECK
+#endif
+#if defined(JSON_HEDLEY_INTEL_CL_VERSION)
+    #define JSON_HEDLEY_INTEL_CL_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_INTEL_CL_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch))
+#else
+    #define JSON_HEDLEY_INTEL_CL_VERSION_CHECK(major,minor,patch) (0)
+#endif
+
 #if defined(JSON_HEDLEY_PGI_VERSION)
     #undef JSON_HEDLEY_PGI_VERSION
 #endif
@@ -365,7 +383,7 @@
     #if __VER__ > 1000
         #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE((__VER__ / 1000000), ((__VER__ / 1000) % 1000), (__VER__ % 1000))
     #else
-        #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE(VER / 100, __VER__ % 100, 0)
+        #define JSON_HEDLEY_IAR_VERSION JSON_HEDLEY_VERSION_ENCODE(__VER__ / 100, __VER__ % 100, 0)
     #endif
 #endif
 
@@ -442,6 +460,22 @@
     #define JSON_HEDLEY_PELLES_VERSION_CHECK(major,minor,patch) (0)
 #endif
 
+#if defined(JSON_HEDLEY_MCST_LCC_VERSION)
+    #undef JSON_HEDLEY_MCST_LCC_VERSION
+#endif
+#if defined(__LCC__) && defined(__LCC_MINOR__)
+    #define JSON_HEDLEY_MCST_LCC_VERSION JSON_HEDLEY_VERSION_ENCODE(__LCC__ / 100, __LCC__ % 100, __LCC_MINOR__)
+#endif
+
+#if defined(JSON_HEDLEY_MCST_LCC_VERSION_CHECK)
+    #undef JSON_HEDLEY_MCST_LCC_VERSION_CHECK
+#endif
+#if defined(JSON_HEDLEY_MCST_LCC_VERSION)
+    #define JSON_HEDLEY_MCST_LCC_VERSION_CHECK(major,minor,patch) (JSON_HEDLEY_MCST_LCC_VERSION >= JSON_HEDLEY_VERSION_ENCODE(major, minor, patch))
+#else
+    #define JSON_HEDLEY_MCST_LCC_VERSION_CHECK(major,minor,patch) (0)
+#endif
+
 #if defined(JSON_HEDLEY_GCC_VERSION)
     #undef JSON_HEDLEY_GCC_VERSION
 #endif
@@ -451,6 +485,7 @@
     !defined(JSON_HEDLEY_INTEL_VERSION) && \
     !defined(JSON_HEDLEY_PGI_VERSION) && \
     !defined(JSON_HEDLEY_ARM_VERSION) && \
+    !defined(JSON_HEDLEY_CRAY_VERSION) && \
     !defined(JSON_HEDLEY_TI_VERSION) && \
     !defined(JSON_HEDLEY_TI_ARMCL_VERSION) && \
     !defined(JSON_HEDLEY_TI_CL430_VERSION) && \
@@ -458,7 +493,8 @@
     !defined(JSON_HEDLEY_TI_CL6X_VERSION) && \
     !defined(JSON_HEDLEY_TI_CL7X_VERSION) && \
     !defined(JSON_HEDLEY_TI_CLPRU_VERSION) && \
-    !defined(__COMPCERT__)
+    !defined(__COMPCERT__) && \
+    !defined(JSON_HEDLEY_MCST_LCC_VERSION)
     #define JSON_HEDLEY_GCC_VERSION JSON_HEDLEY_GNUC_VERSION
 #endif
 
@@ -474,17 +510,21 @@
 #if defined(JSON_HEDLEY_HAS_ATTRIBUTE)
     #undef JSON_HEDLEY_HAS_ATTRIBUTE
 #endif
-#if defined(__has_attribute)
+#if \
-    #define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) __has_attribute(attribute)
+  defined(__has_attribute) && \
+  ( \
+    (!defined(JSON_HEDLEY_IAR_VERSION) || JSON_HEDLEY_IAR_VERSION_CHECK(8,5,9)) \
+  )
+#  define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) __has_attribute(attribute)
 #else
-    #define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) (0)
+#  define JSON_HEDLEY_HAS_ATTRIBUTE(attribute) (0)
 #endif
 
 #if defined(JSON_HEDLEY_GNUC_HAS_ATTRIBUTE)
     #undef JSON_HEDLEY_GNUC_HAS_ATTRIBUTE
 #endif
 #if defined(__has_attribute)
-    #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute)
+    #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_HAS_ATTRIBUTE(attribute)
 #else
     #define JSON_HEDLEY_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GNUC_VERSION_CHECK(major,minor,patch)
 #endif
@@ -493,7 +533,7 @@
     #undef JSON_HEDLEY_GCC_HAS_ATTRIBUTE
 #endif
 #if defined(__has_attribute)
-    #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute)
+    #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_HAS_ATTRIBUTE(attribute)
 #else
     #define JSON_HEDLEY_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch)
 #endif
@@ -678,6 +718,72 @@
     #define JSON_HEDLEY_GCC_HAS_WARNING(warning,major,minor,patch) JSON_HEDLEY_GCC_VERSION_CHECK(major,minor,patch)
 #endif
 
+#if \
+    (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \
+    defined(__clang__) || \
+    JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \
+    JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
+    JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \
+    JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \
+    JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \
+    JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \
+    JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \
+    JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \
+    JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \
+    JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,0,0) || \
+    JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
+    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
+    JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) || \
+    JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,17) || \
+    JSON_HEDLEY_SUNPRO_VERSION_CHECK(8,0,0) || \
+    (JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) && defined(__C99_PRAGMA_OPERATOR))
+    #define JSON_HEDLEY_PRAGMA(value) _Pragma(#value)
+#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0)
+    #define JSON_HEDLEY_PRAGMA(value) __pragma(value)
+#else
+    #define JSON_HEDLEY_PRAGMA(value)
+#endif
+
+#if defined(JSON_HEDLEY_DIAGNOSTIC_PUSH)
+    #undef JSON_HEDLEY_DIAGNOSTIC_PUSH
+#endif
+#if defined(JSON_HEDLEY_DIAGNOSTIC_POP)
+    #undef JSON_HEDLEY_DIAGNOSTIC_POP
+#endif
+#if defined(__clang__)
+    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push")
+    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("clang diagnostic pop")
+#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)")
+    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)")
+#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push")
+    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop")
+#elif \
+    JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_PUSH __pragma(warning(push))
+    #define JSON_HEDLEY_DIAGNOSTIC_POP __pragma(warning(pop))
+#elif JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("push")
+    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("pop")
+#elif \
+    JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \
+    JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \
+    JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,4,0) || \
+    JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \
+    JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
+    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("diag_push")
+    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("diag_pop")
+#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)")
+    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)")
+#else
+    #define JSON_HEDLEY_DIAGNOSTIC_PUSH
+    #define JSON_HEDLEY_DIAGNOSTIC_POP
+#endif
+
 /* JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ is for
    HEDLEY INTERNAL USE ONLY.  API subject to change without notice. */
 #if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_)
@@ -686,12 +792,22 @@
 #if defined(__cplusplus)
 #  if JSON_HEDLEY_HAS_WARNING("-Wc++98-compat")
 #    if JSON_HEDLEY_HAS_WARNING("-Wc++17-extensions")
-#      define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \
+#      if JSON_HEDLEY_HAS_WARNING("-Wc++1z-extensions")
+#        define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \
+    JSON_HEDLEY_DIAGNOSTIC_PUSH \
+    _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \
+    _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \
+    _Pragma("clang diagnostic ignored \"-Wc++1z-extensions\"") \
+    xpr \
+    JSON_HEDLEY_DIAGNOSTIC_POP
+#      else
+#        define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \
     JSON_HEDLEY_DIAGNOSTIC_PUSH \
     _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \
     _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \
     xpr \
     JSON_HEDLEY_DIAGNOSTIC_POP
+#      endif
 #    else
 #      define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \
     JSON_HEDLEY_DIAGNOSTIC_PUSH \
@@ -756,7 +872,7 @@
 #    define JSON_HEDLEY_CPP_CAST(T, expr) \
     JSON_HEDLEY_DIAGNOSTIC_PUSH \
     _Pragma("diag_suppress=Pe137") \
-    JSON_HEDLEY_DIAGNOSTIC_POP \
+    JSON_HEDLEY_DIAGNOSTIC_POP
 #  else
 #    define JSON_HEDLEY_CPP_CAST(T, expr) ((T) (expr))
 #  endif
@@ -764,70 +880,6 @@
 #  define JSON_HEDLEY_CPP_CAST(T, expr) (expr)
 #endif
 
-#if \
-    (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \
-    defined(__clang__) || \
-    JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \
-    JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
-    JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \
-    JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \
-    JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \
-    JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \
-    JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,7,0) || \
-    JSON_HEDLEY_TI_CL430_VERSION_CHECK(2,0,1) || \
-    JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,1,0) || \
-    JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,0,0) || \
-    JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
-    JSON_HEDLEY_CRAY_VERSION_CHECK(5,0,0) || \
-    JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,17) || \
-    JSON_HEDLEY_SUNPRO_VERSION_CHECK(8,0,0) || \
-    (JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) && defined(__C99_PRAGMA_OPERATOR))
-    #define JSON_HEDLEY_PRAGMA(value) _Pragma(#value)
-#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0)
-    #define JSON_HEDLEY_PRAGMA(value) __pragma(value)
-#else
-    #define JSON_HEDLEY_PRAGMA(value)
-#endif
-
-#if defined(JSON_HEDLEY_DIAGNOSTIC_PUSH)
-    #undef JSON_HEDLEY_DIAGNOSTIC_PUSH
-#endif
-#if defined(JSON_HEDLEY_DIAGNOSTIC_POP)
-    #undef JSON_HEDLEY_DIAGNOSTIC_POP
-#endif
-#if defined(__clang__)
-    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push")
-    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("clang diagnostic pop")
-#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0)
-    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)")
-    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)")
-#elif JSON_HEDLEY_GCC_VERSION_CHECK(4,6,0)
-    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push")
-    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop")
-#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0)
-    #define JSON_HEDLEY_DIAGNOSTIC_PUSH __pragma(warning(push))
-    #define JSON_HEDLEY_DIAGNOSTIC_POP __pragma(warning(pop))
-#elif JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0)
-    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("push")
-    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("pop")
-#elif \
-    JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \
-    JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,2,0) || \
-    JSON_HEDLEY_TI_CL430_VERSION_CHECK(4,4,0) || \
-    JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,1,0) || \
-    JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0)
-    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("diag_push")
-    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("diag_pop")
-#elif JSON_HEDLEY_PELLES_VERSION_CHECK(2,90,0)
-    #define JSON_HEDLEY_DIAGNOSTIC_PUSH _Pragma("warning(push)")
-    #define JSON_HEDLEY_DIAGNOSTIC_POP _Pragma("warning(pop)")
-#else
-    #define JSON_HEDLEY_DIAGNOSTIC_PUSH
-    #define JSON_HEDLEY_DIAGNOSTIC_POP
-#endif
-
 #if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED)
     #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED
 #endif
@@ -835,12 +887,18 @@
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"")
 #elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warning(disable:1478 1786)")
+#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:1478 1786))
+#elif JSON_HEDLEY_PGI_VERSION_CHECK(20,7,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1216,1444,1445")
 #elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444")
 #elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
 #elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:4996))
+#elif JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444")
 #elif \
     JSON_HEDLEY_TI_VERSION_CHECK(15,12,0) || \
     (JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \
@@ -873,6 +931,8 @@
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"")
 #elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("warning(disable:161)")
+#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:161))
 #elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 1675")
 #elif JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0)
@@ -889,6 +949,8 @@
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163")
 #elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress=Pe161")
+#elif JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 161")
 #else
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS
 #endif
@@ -902,8 +964,12 @@
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
 #elif JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("warning(disable:1292)")
+#elif JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:1292))
 #elif JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:5030))
+#elif JSON_HEDLEY_PGI_VERSION_CHECK(20,7,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097,1098")
 #elif JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097")
 #elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus)
@@ -915,6 +981,8 @@
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1173")
 #elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0)
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress=Pe1097")
+#elif JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097")
 #else
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES
 #endif
@@ -932,20 +1000,34 @@
     #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_CAST_QUAL
 #endif
 
+#if defined(JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION)
+    #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION
+#endif
+#if JSON_HEDLEY_HAS_WARNING("-Wunused-function")
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION _Pragma("clang diagnostic ignored \"-Wunused-function\"")
+#elif JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION _Pragma("GCC diagnostic ignored \"-Wunused-function\"")
+#elif JSON_HEDLEY_MSVC_VERSION_CHECK(1,0,0)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION __pragma(warning(disable:4505))
+#elif JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION _Pragma("diag_suppress 3142")
+#else
+    #define JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION
+#endif
+
 #if defined(JSON_HEDLEY_DEPRECATED)
     #undef JSON_HEDLEY_DEPRECATED
 #endif
 #if defined(JSON_HEDLEY_DEPRECATED_FOR)
     #undef JSON_HEDLEY_DEPRECATED_FOR
 #endif
-#if JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0)
+#if \
+    JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
     #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated("Since " # since))
     #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated("Since " #since "; use " #replacement))
-#elif defined(__cplusplus) && (__cplusplus >= 201402L)
-    #define JSON_HEDLEY_DEPRECATED(since) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since)]])
-    #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since "; use " #replacement)]])
 #elif \
-    JSON_HEDLEY_HAS_EXTENSION(attribute_deprecated_with_message) || \
+    (JSON_HEDLEY_HAS_EXTENSION(attribute_deprecated_with_message) && !defined(JSON_HEDLEY_IAR_VERSION)) || \
     JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \
     JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
     JSON_HEDLEY_ARM_VERSION_CHECK(5,6,0) || \
@@ -955,9 +1037,13 @@
     JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(18,1,0) || \
     JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,3,0) || \
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0)
+    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,3,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__("Since " #since)))
     #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__("Since " #since "; use " #replacement)))
+#elif defined(__cplusplus) && (__cplusplus >= 201402L)
+    #define JSON_HEDLEY_DEPRECATED(since) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since)]])
+    #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since "; use " #replacement)]])
 #elif \
     JSON_HEDLEY_HAS_ATTRIBUTE(deprecated) || \
     JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \
@@ -972,12 +1058,15 @@
     (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \
     JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0)
+    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) || \
+    JSON_HEDLEY_IAR_VERSION_CHECK(8,10,0)
     #define JSON_HEDLEY_DEPRECATED(since) __attribute__((__deprecated__))
     #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__))
 #elif \
     JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \
-    JSON_HEDLEY_PELLES_VERSION_CHECK(6,50,0)
+    JSON_HEDLEY_PELLES_VERSION_CHECK(6,50,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
     #define JSON_HEDLEY_DEPRECATED(since) __declspec(deprecated)
     #define JSON_HEDLEY_DEPRECATED_FOR(since, replacement) __declspec(deprecated)
 #elif JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0)
@@ -994,7 +1083,8 @@
 #if \
     JSON_HEDLEY_HAS_ATTRIBUTE(warning) || \
     JSON_HEDLEY_GCC_VERSION_CHECK(4,3,0) || \
-    JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0)
+    JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_UNAVAILABLE(available_since) __attribute__((__warning__("Not available until " #available_since)))
 #else
     #define JSON_HEDLEY_UNAVAILABLE(available_since)
@@ -1006,13 +1096,7 @@
 #if defined(JSON_HEDLEY_WARN_UNUSED_RESULT_MSG)
     #undef JSON_HEDLEY_WARN_UNUSED_RESULT_MSG
 #endif
-#if (JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L)
+#if \
-    #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]])
-    #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard(msg)]])
-#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard)
-    #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]])
-    #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]])
-#elif \
     JSON_HEDLEY_HAS_ATTRIBUTE(warn_unused_result) || \
     JSON_HEDLEY_GCC_VERSION_CHECK(3,4,0) || \
     JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
@@ -1028,9 +1112,16 @@
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
     JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
     (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \
-    JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0)
+    JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__))
     #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) __attribute__((__warn_unused_result__))
+#elif (JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L)
+    #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]])
+    #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard(msg)]])
+#elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE(nodiscard)
+    #define JSON_HEDLEY_WARN_UNUSED_RESULT JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]])
+    #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]])
 #elif defined(_Check_return_) /* SAL */
     #define JSON_HEDLEY_WARN_UNUSED_RESULT _Check_return_
     #define JSON_HEDLEY_WARN_UNUSED_RESULT_MSG(msg) _Check_return_
@@ -1046,7 +1137,8 @@
     JSON_HEDLEY_HAS_ATTRIBUTE(sentinel) || \
     JSON_HEDLEY_GCC_VERSION_CHECK(4,0,0) || \
     JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
-    JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0)
+    JSON_HEDLEY_ARM_VERSION_CHECK(5,4,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_SENTINEL(position) __attribute__((__sentinel__(position)))
 #else
     #define JSON_HEDLEY_SENTINEL(position)
@@ -1057,7 +1149,9 @@
 #endif
 #if JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0)
     #define JSON_HEDLEY_NO_RETURN __noreturn
-#elif JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0)
+#elif \
+    JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__))
 #elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
     #define JSON_HEDLEY_NO_RETURN _Noreturn
@@ -1079,11 +1173,14 @@
     (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \
     JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0)
+    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
+    JSON_HEDLEY_IAR_VERSION_CHECK(8,10,0)
     #define JSON_HEDLEY_NO_RETURN __attribute__((__noreturn__))
 #elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0)
     #define JSON_HEDLEY_NO_RETURN _Pragma("does_not_return")
-#elif JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0)
+#elif \
+    JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
     #define JSON_HEDLEY_NO_RETURN __declspec(noreturn)
 #elif JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus)
     #define JSON_HEDLEY_NO_RETURN _Pragma("FUNC_NEVER_RETURNS;")
@@ -1115,7 +1212,8 @@
 #endif
 #if \
     JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \
-    JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0)
+    JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
     #define JSON_HEDLEY_ASSUME(expr) __assume(expr)
 #elif JSON_HEDLEY_HAS_BUILTIN(__builtin_assume)
     #define JSON_HEDLEY_ASSUME(expr) __builtin_assume(expr)
@@ -1133,7 +1231,9 @@
     JSON_HEDLEY_GCC_VERSION_CHECK(4,5,0) || \
     JSON_HEDLEY_PGI_VERSION_CHECK(18,10,0) || \
     JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
-    JSON_HEDLEY_IBM_VERSION_CHECK(13,1,5)
+    JSON_HEDLEY_IBM_VERSION_CHECK(13,1,5) || \
+    JSON_HEDLEY_CRAY_VERSION_CHECK(10,0,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_UNREACHABLE() __builtin_unreachable()
 #elif defined(JSON_HEDLEY_ASSUME)
     #define JSON_HEDLEY_UNREACHABLE() JSON_HEDLEY_ASSUME(0)
@@ -1211,7 +1311,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \
     JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0)
+    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(__printf__, string_idx, first_to_check)))
 #elif JSON_HEDLEY_PELLES_VERSION_CHECK(6,0,0)
     #define JSON_HEDLEY_PRINTF_FORMAT(string_idx,first_to_check) __declspec(vaformat(printf,string_idx,first_to_check))
@@ -1247,15 +1348,16 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     #define JSON_HEDLEY_UNPREDICTABLE(expr) __builtin_unpredictable((expr))
 #endif
 #if \
-  JSON_HEDLEY_HAS_BUILTIN(__builtin_expect_with_probability) || \
+  (JSON_HEDLEY_HAS_BUILTIN(__builtin_expect_with_probability) && !defined(JSON_HEDLEY_PGI_VERSION)) || \
-  JSON_HEDLEY_GCC_VERSION_CHECK(9,0,0)
+  JSON_HEDLEY_GCC_VERSION_CHECK(9,0,0) || \
+  JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
 #  define JSON_HEDLEY_PREDICT(expr, value, probability) __builtin_expect_with_probability(  (expr), (value), (probability))
 #  define JSON_HEDLEY_PREDICT_TRUE(expr, probability)   __builtin_expect_with_probability(!!(expr),    1   , (probability))
 #  define JSON_HEDLEY_PREDICT_FALSE(expr, probability)  __builtin_expect_with_probability(!!(expr),    0   , (probability))
 #  define JSON_HEDLEY_LIKELY(expr)                      __builtin_expect                 (!!(expr),    1                  )
 #  define JSON_HEDLEY_UNLIKELY(expr)                    __builtin_expect                 (!!(expr),    0                  )
 #elif \
-  JSON_HEDLEY_HAS_BUILTIN(__builtin_expect) || \
+  (JSON_HEDLEY_HAS_BUILTIN(__builtin_expect) && !defined(JSON_HEDLEY_INTEL_CL_VERSION)) || \
   JSON_HEDLEY_GCC_VERSION_CHECK(3,0,0) || \
   JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
   (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \
@@ -1269,7 +1371,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
   JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
   JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
   JSON_HEDLEY_TINYC_VERSION_CHECK(0,9,27) || \
-  JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0)
+  JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \
+  JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
 #  define JSON_HEDLEY_PREDICT(expr, expected, probability) \
     (((probability) >= 0.9) ? __builtin_expect((expr), (expected)) : (JSON_HEDLEY_STATIC_CAST(void, expected), (expr)))
 #  define JSON_HEDLEY_PREDICT_TRUE(expr, probability) \
@@ -1315,11 +1418,14 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \
     JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0)
+    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_MALLOC __attribute__((__malloc__))
 #elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0)
     #define JSON_HEDLEY_MALLOC _Pragma("returns_new_memory")
-#elif JSON_HEDLEY_MSVC_VERSION_CHECK(14, 0, 0)
+#elif \
+    JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
     #define JSON_HEDLEY_MALLOC __declspec(restrict)
 #else
     #define JSON_HEDLEY_MALLOC
@@ -1346,7 +1452,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
   JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \
   JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
   JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
-  JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0)
+  JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \
+  JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
 #  define JSON_HEDLEY_PURE __attribute__((__pure__))
 #elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0)
 #  define JSON_HEDLEY_PURE _Pragma("does_not_write_global_data")
@@ -1382,7 +1489,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
     JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
-    JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0)
+    JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_CONST __attribute__((__const__))
 #elif \
     JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0)
@@ -1400,6 +1508,7 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     JSON_HEDLEY_GCC_VERSION_CHECK(3,1,0) || \
     JSON_HEDLEY_MSVC_VERSION_CHECK(14,0,0) || \
     JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \
     JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \
     JSON_HEDLEY_IBM_VERSION_CHECK(10,1,0) || \
     JSON_HEDLEY_PGI_VERSION_CHECK(17,10,0) || \
@@ -1409,7 +1518,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
     (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus)) || \
     JSON_HEDLEY_IAR_VERSION_CHECK(8,0,0) || \
-    defined(__clang__)
+    defined(__clang__) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_RESTRICT __restrict
 #elif JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,3,0) && !defined(__cplusplus)
     #define JSON_HEDLEY_RESTRICT _Restrict
@@ -1430,13 +1540,15 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     #define JSON_HEDLEY_INLINE __inline__
 #elif \
     JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \
     JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0) || \
     JSON_HEDLEY_TI_ARMCL_VERSION_CHECK(5,1,0) || \
     JSON_HEDLEY_TI_CL430_VERSION_CHECK(3,1,0) || \
     JSON_HEDLEY_TI_CL2000_VERSION_CHECK(6,2,0) || \
     JSON_HEDLEY_TI_CL6X_VERSION_CHECK(8,0,0) || \
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0)
+    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_INLINE __inline
 #else
     #define JSON_HEDLEY_INLINE
@@ -1462,9 +1574,13 @@ JSON_HEDLEY_DIAGNOSTIC_POP
   (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \
   JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \
   JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-  JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0)
+  JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
+  JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) || \
+  JSON_HEDLEY_IAR_VERSION_CHECK(8,10,0)
 #  define JSON_HEDLEY_ALWAYS_INLINE __attribute__((__always_inline__)) JSON_HEDLEY_INLINE
-#elif JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0)
+#elif \
+  JSON_HEDLEY_MSVC_VERSION_CHECK(12,0,0) || \
+  JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
 #  define JSON_HEDLEY_ALWAYS_INLINE __forceinline
 #elif defined(__cplusplus) && \
     ( \
@@ -1502,9 +1618,13 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \
     JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) || \
     JSON_HEDLEY_TI_CL7X_VERSION_CHECK(1,2,0) || \
-    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0)
+    JSON_HEDLEY_TI_CLPRU_VERSION_CHECK(2,1,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10) || \
+    JSON_HEDLEY_IAR_VERSION_CHECK(8,10,0)
     #define JSON_HEDLEY_NEVER_INLINE __attribute__((__noinline__))
-#elif JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0)
+#elif \
+    JSON_HEDLEY_MSVC_VERSION_CHECK(13,10,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
     #define JSON_HEDLEY_NEVER_INLINE __declspec(noinline)
 #elif JSON_HEDLEY_PGI_VERSION_CHECK(10,2,0)
     #define JSON_HEDLEY_NEVER_INLINE _Pragma("noinline")
@@ -1547,7 +1667,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
         (JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \
         JSON_HEDLEY_TI_CL6X_VERSION_CHECK(7,5,0) \
       ) \
-    )
+    ) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
 #    define JSON_HEDLEY_PRIVATE __attribute__((__visibility__("hidden")))
 #    define JSON_HEDLEY_PUBLIC  __attribute__((__visibility__("default")))
 #  else
@@ -1563,10 +1684,12 @@ JSON_HEDLEY_DIAGNOSTIC_POP
 #if \
     JSON_HEDLEY_HAS_ATTRIBUTE(nothrow) || \
     JSON_HEDLEY_GCC_VERSION_CHECK(3,3,0) || \
-    JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0)
+    JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_NO_THROW __attribute__((__nothrow__))
 #elif \
     JSON_HEDLEY_MSVC_VERSION_CHECK(13,1,0) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0) || \
     JSON_HEDLEY_ARM_VERSION_CHECK(4,1,0)
     #define JSON_HEDLEY_NO_THROW __declspec(nothrow)
 #else
@@ -1578,7 +1701,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
 #endif
 #if \
     JSON_HEDLEY_HAS_ATTRIBUTE(fallthrough) || \
-    JSON_HEDLEY_GCC_VERSION_CHECK(7,0,0)
+    JSON_HEDLEY_GCC_VERSION_CHECK(7,0,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_FALL_THROUGH __attribute__((__fallthrough__))
 #elif JSON_HEDLEY_HAS_CPP_ATTRIBUTE_NS(clang,fallthrough)
     #define JSON_HEDLEY_FALL_THROUGH JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[clang::fallthrough]])
@@ -1595,7 +1719,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
 #endif
 #if \
     JSON_HEDLEY_HAS_ATTRIBUTE(returns_nonnull) || \
-    JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0)
+    JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_RETURNS_NON_NULL __attribute__((__returns_nonnull__))
 #elif defined(_Ret_notnull_) /* SAL */
     #define JSON_HEDLEY_RETURNS_NON_NULL _Ret_notnull_
@@ -1637,7 +1762,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
     JSON_HEDLEY_IBM_VERSION_CHECK(13,1,0) || \
     JSON_HEDLEY_TI_CL6X_VERSION_CHECK(6,1,0) || \
     (JSON_HEDLEY_SUNPRO_VERSION_CHECK(5,10,0) && !defined(__cplusplus)) || \
-    JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0)
+    JSON_HEDLEY_CRAY_VERSION_CHECK(8,1,0) || \
+    JSON_HEDLEY_MCST_LCC_VERSION_CHECK(1,25,10)
     #define JSON_HEDLEY_IS_CONSTANT(expr) __builtin_constant_p(expr)
 #endif
 #if !defined(__cplusplus)
@@ -1661,7 +1787,7 @@ JSON_HEDLEY_DIAGNOSTIC_POP
           !defined(JSON_HEDLEY_SUNPRO_VERSION) && \
           !defined(JSON_HEDLEY_PGI_VERSION) && \
           !defined(JSON_HEDLEY_IAR_VERSION)) || \
-       JSON_HEDLEY_HAS_EXTENSION(c_generic_selections) || \
+       (JSON_HEDLEY_HAS_EXTENSION(c_generic_selections) && !defined(JSON_HEDLEY_IAR_VERSION)) || \
        JSON_HEDLEY_GCC_VERSION_CHECK(4,9,0) || \
        JSON_HEDLEY_INTEL_VERSION_CHECK(17,0,0) || \
        JSON_HEDLEY_IBM_VERSION_CHECK(12,1,0) || \
@@ -1731,7 +1857,7 @@ JSON_HEDLEY_DIAGNOSTIC_POP
 #if \
   !defined(__cplusplus) && ( \
       (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)) || \
-      JSON_HEDLEY_HAS_FEATURE(c_static_assert) || \
+      (JSON_HEDLEY_HAS_FEATURE(c_static_assert) && !defined(JSON_HEDLEY_INTEL_CL_VERSION)) || \
       JSON_HEDLEY_GCC_VERSION_CHECK(6,0,0) || \
       JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0) || \
       defined(_Static_assert) \
@@ -1739,7 +1865,8 @@ JSON_HEDLEY_DIAGNOSTIC_POP
 #  define JSON_HEDLEY_STATIC_ASSERT(expr, message) _Static_assert(expr, message)
 #elif \
   (defined(__cplusplus) && (__cplusplus >= 201103L)) || \
-  JSON_HEDLEY_MSVC_VERSION_CHECK(16,0,0)
+  JSON_HEDLEY_MSVC_VERSION_CHECK(16,0,0) || \
+  JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
 #  define JSON_HEDLEY_STATIC_ASSERT(expr, message) JSON_HEDLEY_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(static_assert(expr, message))
 #else
 #  define JSON_HEDLEY_STATIC_ASSERT(expr, message)
@@ -1799,7 +1926,9 @@ JSON_HEDLEY_DIAGNOSTIC_POP
   JSON_HEDLEY_PGI_VERSION_CHECK(18,4,0) || \
   JSON_HEDLEY_INTEL_VERSION_CHECK(13,0,0)
 #  define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(GCC warning msg)
-#elif JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0)
+#elif \
+  JSON_HEDLEY_MSVC_VERSION_CHECK(15,0,0) || \
+  JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
 #  define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_PRAGMA(message(msg))
 #else
 #  define JSON_HEDLEY_WARNING(msg) JSON_HEDLEY_MESSAGE(msg)
@@ -1835,8 +1964,10 @@ JSON_HEDLEY_DIAGNOSTIC_POP
 #if defined(JSON_HEDLEY_FLAGS)
     #undef JSON_HEDLEY_FLAGS
 #endif
-#if JSON_HEDLEY_HAS_ATTRIBUTE(flag_enum)
+#if JSON_HEDLEY_HAS_ATTRIBUTE(flag_enum) && (!defined(__cplusplus) || JSON_HEDLEY_HAS_WARNING("-Wbitfield-enum-conversion"))
     #define JSON_HEDLEY_FLAGS __attribute__((__flag_enum__))
+#else
+    #define JSON_HEDLEY_FLAGS
 #endif
 
 #if defined(JSON_HEDLEY_FLAGS_CAST)
@@ -1856,7 +1987,9 @@ JSON_HEDLEY_DIAGNOSTIC_POP
 #if defined(JSON_HEDLEY_EMPTY_BASES)
     #undef JSON_HEDLEY_EMPTY_BASES
 #endif
-#if JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,23918) && !JSON_HEDLEY_MSVC_VERSION_CHECK(20,0,0)
+#if \
+    (JSON_HEDLEY_MSVC_VERSION_CHECK(19,0,23918) && !JSON_HEDLEY_MSVC_VERSION_CHECK(20,0,0)) || \
+    JSON_HEDLEY_INTEL_CL_VERSION_CHECK(2021,1,0)
     #define JSON_HEDLEY_EMPTY_BASES __declspec(empty_bases)
 #else
     #define JSON_HEDLEY_EMPTY_BASES

external/json/include/nlohmann/thirdparty/hedley/hedley_undef.hpp

@@ -1,3 +1,5 @@
+#pragma once
+
 #undef JSON_HEDLEY_ALWAYS_INLINE
 #undef JSON_HEDLEY_ARM_VERSION
 #undef JSON_HEDLEY_ARM_VERSION_CHECK
@@ -31,6 +33,7 @@
 #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_DEPRECATED
 #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES
 #undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS
+#undef JSON_HEDLEY_DIAGNOSTIC_DISABLE_UNUSED_FUNCTION
 #undef JSON_HEDLEY_DIAGNOSTIC_POP
 #undef JSON_HEDLEY_DIAGNOSTIC_PUSH
 #undef JSON_HEDLEY_DMC_VERSION
@@ -74,12 +77,16 @@
 #undef JSON_HEDLEY_IBM_VERSION_CHECK
 #undef JSON_HEDLEY_IMPORT
 #undef JSON_HEDLEY_INLINE
+#undef JSON_HEDLEY_INTEL_CL_VERSION
+#undef JSON_HEDLEY_INTEL_CL_VERSION_CHECK
 #undef JSON_HEDLEY_INTEL_VERSION
 #undef JSON_HEDLEY_INTEL_VERSION_CHECK
 #undef JSON_HEDLEY_IS_CONSTANT
 #undef JSON_HEDLEY_IS_CONSTEXPR_
 #undef JSON_HEDLEY_LIKELY
 #undef JSON_HEDLEY_MALLOC
+#undef JSON_HEDLEY_MCST_LCC_VERSION
+#undef JSON_HEDLEY_MCST_LCC_VERSION_CHECK
 #undef JSON_HEDLEY_MESSAGE
 #undef JSON_HEDLEY_MSVC_VERSION
 #undef JSON_HEDLEY_MSVC_VERSION_CHECK

external/json/meson.build

@@ -1,6 +1,6 @@
 project('nlohmann_json',
     'cpp',
-    version : '3.9.1',
+    version : '3.10.4',
     license : 'MIT',
 )