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only use conjunction & co when needed to avoid MSVC crashing

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Théo Delrieu 2016-11-22 13:27:00 +01:00 committed by Théo DELRIEU
parent ee19acaf05
commit 47bc402113
1 changed files with 40 additions and 29 deletions
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69
src/json.hpp
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@ -205,25 +205,28 @@ template <class BasicJson, class CompatibleArrayType>
struct is_compatible_array_type_impl<true, BasicJson, CompatibleArrayType>
{
static constexpr auto value =
conjunction<
negation<disjunction<
std::is_same<CompatibleArrayType, typename BasicJson::iterator>,
std::is_same<CompatibleArrayType, typename BasicJson::const_iterator>,
std::is_same<CompatibleArrayType, typename BasicJson::reverse_iterator>,
std::is_same<CompatibleArrayType, typename BasicJson::const_reverse_iterator>,
std::is_same<CompatibleArrayType, typename BasicJson::array_t::iterator>,
std::is_same<CompatibleArrayType, typename BasicJson::array_t::const_iterator>>>,
std::is_constructible<BasicJson, typename CompatibleArrayType::value_type>>::value;
not std::is_same<CompatibleArrayType, typename BasicJson::iterator>::value and
not std::is_same<CompatibleArrayType, typename BasicJson::const_iterator>::value and
not std::is_same<CompatibleArrayType, typename BasicJson::reverse_iterator>::value and
not std::is_same<CompatibleArrayType, typename BasicJson::const_reverse_iterator>::value and
not std::is_same<CompatibleArrayType, typename BasicJson::array_t::iterator>::value and
not std::is_same<CompatibleArrayType, typename BasicJson::array_t::const_iterator>::value;
};
template <class BasicJson, class CompatibleArrayType>
struct is_compatible_array_type
{
static auto constexpr value = is_compatible_array_type_impl<
conjunction<negation<is_compatible_object_type<typename BasicJson::object_t, CompatibleArrayType>>,
has_value_type<CompatibleArrayType>,
has_iterator<CompatibleArrayType>>::value, BasicJson, CompatibleArrayType>::value;
static auto constexpr value = disjunction<std::is_same<BasicJson, CompatibleArrayType>,
is_compatible_array_type_impl<
conjunction<negation<
// MSVC has troubles on that one
std::is_same<void, CompatibleArrayType>>,
negation<is_compatible_object_type<
typename BasicJson::object_t, CompatibleArrayType>>,
has_value_type<CompatibleArrayType>,
has_iterator<CompatibleArrayType>>::value,
BasicJson, CompatibleArrayType>>::value;
};
template <bool, typename, typename>
@ -270,14 +273,16 @@ struct is_compatible_float_type
template <typename T, typename BasicJson>
struct is_compatible_basic_json_type
{
static auto constexpr value = disjunction<
is_compatible_array_type<BasicJson, T>,
is_compatible_object_type<typename BasicJson::object_t, T>,
is_compatible_float_type<typename BasicJson::number_float_t, T>,
is_compatible_integer_type<typename BasicJson::number_integer_t, T>,
is_compatible_unsigned_integer_type<typename BasicJson::number_unsigned_t, T>,
std::is_constructible<typename BasicJson::string_t, T>,
std::is_same<typename BasicJson::boolean_t, T>>::value;
static auto constexpr value =
std::is_same<T, BasicJson>::value or
std::is_constructible<typename BasicJson::string_t, T>::value or
std::is_same<typename BasicJson::boolean_t, T>::value or
is_compatible_array_type<BasicJson, T>::value or
is_compatible_object_type<typename BasicJson::object_t, T>::value or
is_compatible_float_type<typename BasicJson::number_float_t, T>::value or
is_compatible_integer_type<typename BasicJson::number_integer_t, T>::value or
is_compatible_unsigned_integer_type<typename BasicJson::number_unsigned_t, T>::value;
};
template <template <typename, typename> class JSONSerializer, typename Json,
@ -1531,14 +1536,20 @@ class basic_json
@since version 1.0.0
*/
template<class CompatibleArrayType, enable_if_t<detail::is_compatible_array_type<basic_json_t, CompatibleArrayType>::value, int> = 0>
basic_json(const CompatibleArrayType& val)
: m_type(value_t::array)
{
using std::begin;
using std::end;
m_value.array = create<array_t>(begin(val), end(val));
assert_invariant();
template <
class CompatibleArrayType,
enable_if_t<
detail::disjunction<
// MSVC..
std::is_same<uncvref_t<CompatibleArrayType>, basic_json_t>,
detail::is_compatible_array_type<basic_json_t,
CompatibleArrayType>>::value,
int> = 0>
basic_json(const CompatibleArrayType &val) : m_type(value_t::array) {
using std::begin;
using std::end;
m_value.array = create<array_t>(begin(val), end(val));
assert_invariant();
}