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💚 add trait for 128 bit integers

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Niels Lohmann 2020-07-13 13:46:56 +02:00
parent e3aace6dac
commit 0f1f5052bf
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GPG Key ID: 7F3CEA63AE251B69
4 changed files with 25 additions and 15 deletions
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6
Makefile
View File

@ -468,7 +468,7 @@ cppcheck:
clang_analyze:
rm -fr clang_analyze_build
mkdir clang_analyze_build
cd clang_analyze_build ; CCC_CXX=$(COMPILER_DIR)/clang++ CXX=$(COMPILER_DIR)/clang++ $(COMPILER_DIR)/scan-build cmake .. -GNinja -DJSON_BuildTests=On
cd clang_analyze_build ; CCC_CXX=$(COMPILER_DIR)/clang++ CXX=$(COMPILER_DIR)/clang++ $(COMPILER_DIR)/scan-build cmake .. -GNinja -DJSON_BuildTests=On -DJSON_MultipleHeaders=On
cd clang_analyze_build ; \
$(COMPILER_DIR)/scan-build \
-enable-checker alpha.core.BoolAssignment,alpha.core.CallAndMessageUnInitRefArg,alpha.core.CastSize,alpha.core.CastToStruct,alpha.core.Conversion,alpha.core.DynamicTypeChecker,alpha.core.FixedAddr,alpha.core.PointerArithm,alpha.core.PointerSub,alpha.core.SizeofPtr,alpha.core.StackAddressAsyncEscape,alpha.core.TestAfterDivZero,alpha.deadcode.UnreachableCode,core.builtin.BuiltinFunctions,core.builtin.NoReturnFunctions,core.CallAndMessage,core.DivideZero,core.DynamicTypePropagation,core.NonnilStringConstants,core.NonNullParamChecker,core.NullDereference,core.StackAddressEscape,core.UndefinedBinaryOperatorResult,core.uninitialized.ArraySubscript,core.uninitialized.Assign,core.uninitialized.Branch,core.uninitialized.CapturedBlockVariable,core.uninitialized.UndefReturn,core.VLASize,cplusplus.InnerPointer,cplusplus.Move,cplusplus.NewDelete,cplusplus.NewDeleteLeaks,cplusplus.SelfAssignment,deadcode.DeadStores,nullability.NullableDereferenced,nullability.NullablePassedToNonnull,nullability.NullableReturnedFromNonnull,nullability.NullPassedToNonnull,nullability.NullReturnedFromNonnull \
@ -490,7 +490,7 @@ clang_tidy:
pvs_studio:
rm -fr pvs_studio_build
mkdir pvs_studio_build
cd pvs_studio_build ; cmake .. -DCMAKE_EXPORT_COMPILE_COMMANDS=On
cd pvs_studio_build ; cmake .. -DCMAKE_EXPORT_COMPILE_COMMANDS=On -DJSON_MultipleHeaders=On
cd pvs_studio_build ; pvs-studio-analyzer analyze -j 10
cd pvs_studio_build ; plog-converter -a'GA:1,2;64:1;CS' -t fullhtml PVS-Studio.log -o pvs
open pvs_studio_build/pvs/index.html
@ -499,7 +499,7 @@ pvs_studio:
infer:
rm -fr infer_build
mkdir infer_build
cd infer_build ; infer compile -- cmake .. ; infer run -- make -j 4
cd infer_build ; infer compile -- cmake .. -DJSON_MultipleHeaders=On ; infer run -- make -j 4
# call OCLint <http://oclint.org> static analyzer
oclint:

11
include/nlohmann/detail/meta/type_traits.hpp
View File

@ -353,6 +353,17 @@ struct is_compatible_integer_type_impl <
RealLimits::is_signed == CompatibleLimits::is_signed;
};
// second version for 128 bit integers that fail std::is_integral test
template<typename RealIntegerType, typename CompatibleNumberIntegerType>
struct is_compatible_integer_type_impl < RealIntegerType, CompatibleNumberIntegerType,
enable_if_t < std::is_same<RealIntegerType, CompatibleNumberIntegerType>::value&&
!std::is_integral<CompatibleNumberIntegerType>::value&&
(std::is_unsigned<RealIntegerType>::value&& std::is_convertible<std::uint64_t, RealIntegerType>::value || !std::is_unsigned<RealIntegerType>::value&& std::is_convertible<std::int64_t, RealIntegerType>::value)&&
!is_64_bit<RealIntegerType>::value >>
{
static constexpr auto value = true;
};
template<typename RealIntegerType, typename CompatibleNumberIntegerType>
struct is_compatible_integer_type
: is_compatible_integer_type_impl<RealIntegerType,

11
single_include/nlohmann/json.hpp
View File

@ -3168,6 +3168,17 @@ struct is_compatible_integer_type_impl <
RealLimits::is_signed == CompatibleLimits::is_signed;
};
// second version for 128 bit integers that fail std::is_integral test
template<typename RealIntegerType, typename CompatibleNumberIntegerType>
struct is_compatible_integer_type_impl < RealIntegerType, CompatibleNumberIntegerType,
enable_if_t < std::is_same<RealIntegerType, CompatibleNumberIntegerType>::value&&
!std::is_integral<CompatibleNumberIntegerType>::value&&
(std::is_unsigned<RealIntegerType>::value&& std::is_convertible<std::uint64_t, RealIntegerType>::value || !std::is_unsigned<RealIntegerType>::value&& std::is_convertible<std::int64_t, RealIntegerType>::value)&&
!is_64_bit<RealIntegerType>::value >>
{
static constexpr auto value = true;
};
template<typename RealIntegerType, typename CompatibleNumberIntegerType>
struct is_compatible_integer_type
: is_compatible_integer_type_impl<RealIntegerType,

12
test/src/unit-alt-number.cpp
View File

@ -101,17 +101,6 @@ TEST_CASE("Alternative number types")
// 128-bit arithmetic does not work with sanitizers
#if defined(__SIZEOF_INT128__) && !defined(__SANITIZE_ADDRESS__)
SECTION("type traits")
{
CHECK(std::is_integral<__int128_t>::value);
CHECK(std::is_integral<__uint128_t>::value);
CHECK(std::numeric_limits<__int128_t>::is_integer);
CHECK(std::numeric_limits<__uint128_t>::is_integer);
CHECK(std::is_convertible<std::int64_t, __int128_t>::value);
CHECK(std::is_convertible<std::uint64_t, __uint128_t>::value);
}
/*
SECTION("128 bit integers")
{
using json128 = nlohmann::basic_json<std::map, std::vector, std::string, bool, __int128_t, __uint128_t>;
@ -136,6 +125,5 @@ TEST_CASE("Alternative number types")
CHECK(json128::parse(j_signed_min.dump()) == j_signed_min);
}
}
*/
#endif
}