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Merge pull request #797 from TomHarte/Serialisation
Adds BSON serialisation and deserialisation for all reflectable structs.
This commit is contained in:
Thomas Harte
GitHub
commit
0f2f776e6a
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@ -72,7 +72,15 @@ class MultiStruct: public Reflection::Struct {
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return nullptr;
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}
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void set(const std::string &name, const void *value) final {
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void *get(const std::string &name) final {
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for(auto &options: options_) {
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auto value = options->get(name);
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if(value) return value;
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}
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return nullptr;
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}
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void set(const std::string &name, const void *value, size_t offset) final {
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const auto safe_type = type_of(name);
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if(!safe_type) return;
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@ -83,7 +91,7 @@ class MultiStruct: public Reflection::Struct {
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if(!type) continue;
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if(*type == *safe_type) {
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options->set(name, value);
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options->set(name, value, offset);
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}
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}
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}
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@ -9,36 +9,135 @@
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#include "Struct.hpp"
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#include <algorithm>
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#include <cmath>
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#include <iomanip>
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#include <iterator>
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#include <sstream>
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#include <type_traits>
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#define ForAllInts(x) \
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x(uint8_t); \
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x(int8_t); \
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x(uint16_t); \
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x(int16_t); \
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x(uint32_t); \
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x(int32_t); \
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x(uint64_t); \
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x(int64_t);
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#define ForAllFloats(x) \
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x(float); \
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x(double);
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namespace TypeInfo {
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static bool is_integral(const std::type_info *type) {
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return
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*type == typeid(uint8_t) || *type == typeid(int8_t) ||
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*type == typeid(uint16_t) || *type == typeid(int16_t) ||
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*type == typeid(uint32_t) || *type == typeid(int32_t) ||
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*type == typeid(uint64_t) || *type == typeid(int64_t);
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}
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static bool is_floating_point(const std::type_info *type) {
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return *type == typeid(float) || *type == typeid(double);
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}
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static bool is_signed(const std::type_info *type) {
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return
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*type == typeid(int8_t) ||
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*type == typeid(int16_t) ||
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*type == typeid(int32_t) ||
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*type == typeid(int64_t) ||
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*type == typeid(double) ||
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*type == typeid(float);
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}
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static size_t size(const std::type_info *type) {
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#define TestType(x) if(*type == typeid(x)) return sizeof(x);
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ForAllInts(TestType);
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ForAllFloats(TestType);
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TestType(char *);
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#undef TestType
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// This is some sort of struct or object type.
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return 0;
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}
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}
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// MARK: - Setters
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template <> bool Reflection::set(Struct &target, const std::string &name, int value) {
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template <> bool Reflection::set(Struct &target, const std::string &name, float value, size_t offset) {
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const auto target_type = target.type_of(name);
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if(!target_type) return false;
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// No need to convert an int or a registered enum.
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if(*target_type == typeid(int) || !Reflection::Enum::name(*target_type).empty()) {
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target.set(name, &value);
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if(*target_type == typeid(float)) {
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target.set(name, &value, offset);
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return true;
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}
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// Promote to an int64_t.
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if(*target_type == typeid(int64_t)) {
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const auto int64 = int64_t(value);
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target.set(name, &int64);
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return set<double>(target, name, value);
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}
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template <> bool Reflection::set(Struct &target, const std::string &name, double value, size_t offset) {
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const auto target_type = target.type_of(name);
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if(!target_type) return false;
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if(*target_type == typeid(double)) {
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target.set(name, &value, offset);
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return true;
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}
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if(*target_type == typeid(float)) {
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const float float_value = float(value);
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target.set(name, &float_value, offset);
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return true;
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}
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return false;
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}
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template <> bool Reflection::set(Struct &target, const std::string &name, const std::string &value) {
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template <> bool Reflection::set(Struct &target, const std::string &name, int value, size_t offset) {
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return set<int64_t>(target, name, value);
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}
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template <> bool Reflection::set(Struct &target, const std::string &name, int64_t value, size_t offset) {
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const auto target_type = target.type_of(name);
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if(!target_type) return false;
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// No need to convert an int or a registered enum.
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if(*target_type == typeid(int) || !Reflection::Enum::name(*target_type).empty()) {
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const int value32 = int(value);
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target.set(name, &value32, offset);
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return true;
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}
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// Set an int64_t directly.
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if(*target_type == typeid(int64_t)) {
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target.set(name, &value, offset);
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return true;
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}
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#define SetInt(x) if(*target_type == typeid(x)) { x truncated_value = x(value); target.set(name, &truncated_value, offset); }
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ForAllInts(SetInt);
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#undef SetInt
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return false;
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}
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template <> bool Reflection::set(Struct &target, const std::string &name, const std::string &value, size_t offset) {
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const auto target_type = target.type_of(name);
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if(!target_type) return false;
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// If the target is a string, assign.
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if(*target_type == typeid(std::string)) {
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auto child = reinterpret_cast<std::string *>(target.get(name));
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*child = value;
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return true;
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}
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// From here on, make an attempt to convert to a named enum.
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if(Reflection::Enum::name(*target_type).empty()) {
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return false;
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}
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@ -47,22 +146,22 @@ template <> bool Reflection::set(Struct &target, const std::string &name, const
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if(enum_value < 0) {
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return false;
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}
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target.set(name, &enum_value);
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target.set(name, &enum_value, offset);
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return true;
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}
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template <> bool Reflection::set(Struct &target, const std::string &name, const char *value) {
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template <> bool Reflection::set(Struct &target, const std::string &name, const char *value, size_t offset) {
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const std::string string(value);
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return set<const std::string &>(target, name, string);
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}
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template <> bool Reflection::set(Struct &target, const std::string &name, bool value) {
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template <> bool Reflection::set(Struct &target, const std::string &name, bool value, size_t offset) {
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const auto target_type = target.type_of(name);
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if(!target_type) return false;
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if(*target_type == typeid(bool)) {
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target.set(name, &value);;
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target.set(name, &value, offset);;
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}
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return false;
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@ -128,6 +227,41 @@ template <typename Type> bool Reflection::get(const Struct &target, const std::s
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}
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}
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// If the type is an int that is larger than the stored type and matches the signedness, cast upward.
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if constexpr (std::is_integral<Type>::value) {
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if(TypeInfo::is_integral(target_type)) {
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const bool target_is_signed = TypeInfo::is_signed(target_type);
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const size_t target_size = TypeInfo::size(target_type);
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// An unsigned type can map to any larger type, signed or unsigned;
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// a signed type can map to a larger type only if it also is signed.
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if(sizeof(Type) > target_size && (!target_is_signed || std::is_signed<Type>::value)) {
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const auto address = reinterpret_cast<const uint8_t *>(target.get(name)) + offset * target_size;
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#define Map(x) if(*target_type == typeid(x)) { value = static_cast<Type>(*reinterpret_cast<const x *>(address)); }
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ForAllInts(Map);
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#undef Map
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return true;
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}
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}
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}
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// If the type is a double and stored type is a float, cast upward.
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if constexpr (std::is_floating_point<Type>::value) {
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constexpr size_t size = sizeof(Type);
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const bool target_is_floating_point = TypeInfo::is_floating_point(target_type);
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const size_t target_size = TypeInfo::size(target_type);
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if(size > target_size && target_is_floating_point) {
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const auto address = reinterpret_cast<const uint8_t *>(target.get(name)) + offset * target_size;
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#define Map(x) if(*target_type == typeid(x)) { value = static_cast<Type>(*reinterpret_cast<const x *>(address)); }
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ForAllFloats(Map);
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#undef Map
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return true;
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}
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}
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return false;
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}
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@ -215,3 +349,331 @@ std::string Reflection::Struct::description() const {
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return stream.str();
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}
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/* Contractually, this serialises as BSON. */
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std::vector<uint8_t> Reflection::Struct::serialise() const {
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auto push_name = [] (std::vector<uint8_t> &result, const std::string &name) {
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std::copy(name.begin(), name.end(), std::back_inserter(result));
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result.push_back(0);
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};
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auto append = [push_name, this] (std::vector<uint8_t> &result, const std::string &key, const std::string &output_name, const std::type_info *type, size_t offset) {
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auto push_int = [push_name, &result, &output_name] (auto x) {
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for(size_t c = 0; c < sizeof(x); ++c)
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result.push_back(uint8_t((x) >> (8 * c)));
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};
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auto push_named_int = [push_int, push_name, &result, &output_name] (uint8_t type, auto x) {
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result.push_back(type);
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push_name(result, output_name);
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push_int(x);
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};
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auto push_string = [push_int, push_name, &result, &output_name] (const std::string &text) {
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result.push_back(0x02);
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push_name(result, output_name);
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const uint32_t string_length = uint32_t(text.size() + 1);
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push_int(string_length);
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std::copy(text.begin(), text.end(), std::back_inserter(result));
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result.push_back(0);
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};
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// Test for an exact match on Booleans.
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if(*type == typeid(bool)) {
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result.push_back(0x08);
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push_name(result, output_name);
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result.push_back(uint8_t(Reflection::get<bool>(*this, key, offset)));
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return;
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}
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// Record the string value for enums.
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if(!Reflection::Enum::name(*type).empty()) {
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int value;
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Reflection::get(*this, key, value, offset);
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const auto text = Reflection::Enum::to_string(*type, 0);
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push_string(text);
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return;
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}
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// Test for ints that will safely convert to an int32.
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int32_t int32;
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if(Reflection::get(*this, key, int32, offset)) {
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push_named_int(0x10, int32);
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return;
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}
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// Test for ints that can be converted to an int64.
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int64_t int64;
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if(Reflection::get(*this, key, int64, offset)) {
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push_named_int(0x12, int64);
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return;
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}
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// There's only one BSON float type: a double.
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double float64;
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if(Reflection::get(*this, key, float64, offset)) {
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result.push_back(0x01);
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push_name(result, output_name);
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// The following declines to assume an internal representation
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// for doubles, constructing IEEE 708 from first principles.
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// Which is probably absurd given how often I've assumed
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// e.g. two's complement.
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int exponent;
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const double mantissa = frexp(fabs(float64), &exponent);
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exponent += 1022;
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const uint64_t integer_mantissa =
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static_cast<uint64_t>(mantissa * 9007199254740992.0);
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const uint64_t binary64 =
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((float64 < 0) ? 0x8000'0000'0000'0000 : 0) |
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(integer_mantissa & 0x000f'ffff'ffff'ffff) |
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(static_cast<uint64_t>(exponent) << 52);
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push_int(binary64);
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return;
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}
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// Strings are written naturally.
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if(*type == typeid(std::string)) {
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const uint8_t *address = reinterpret_cast<const uint8_t *>(get(key));
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const std::string *const text = reinterpret_cast<const std::string *>(address + offset*sizeof(std::string));
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push_string(*text);
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return;
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}
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// Store std::vector<uint_8>s as binary data.
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if(*type == typeid(std::vector<uint8_t>)) {
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result.push_back(0x05);
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push_name(result, output_name);
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auto source = reinterpret_cast<const std::vector<uint8_t> *>(get(key));
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push_int(uint32_t(source->size()));
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result.push_back(0x00);
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std::copy(source->begin(), source->end(), std::back_inserter(result));
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return;
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}
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// Okay, check for a potential recursion.
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// Not currently supported: arrays of structs.
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if(*type == typeid(Reflection::Struct)) {
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result.push_back(0x03);
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push_name(result, output_name);
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const Reflection::Struct *const child = reinterpret_cast<const Reflection::Struct *>(get(key));
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const auto sub_document = child->serialise();
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std::copy(sub_document.begin(), sub_document.end(), std::back_inserter(result));
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return;
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}
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// Should never reach here; that means a type was discovered in a struct which is intended for
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// serialisation but which could not be parsed.
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assert(false);
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};
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auto wrap_object = [] (std::vector<uint8_t> &data) {
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/*
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document ::= int32 e_list "\x00"
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The int32 is the total number of bytes comprising the document.
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*/
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data.push_back(0);
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const uint32_t size_with_prefix = uint32_t(data.size()) + 4;
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data.insert(data.begin(), uint8_t(size_with_prefix >> 24));
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data.insert(data.begin(), uint8_t(size_with_prefix >> 16));
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data.insert(data.begin(), uint8_t(size_with_prefix >> 8));
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data.insert(data.begin(), uint8_t(size_with_prefix & 0xff));
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};
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std::vector<uint8_t> result;
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for(const auto &key: all_keys()) {
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if(!should_serialise(key)) continue;
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/* Here: e_list ::= element e_list | "" */
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const auto count = count_of(key);
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const auto type = type_of(key);
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if(count > 1) {
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// In BSON, an array is a sub-document with ASCII keys '0', '1', etc.
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result.push_back(0x04);
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push_name(result, key);
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std::vector<uint8_t> array;
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for(size_t c = 0; c < count; ++c) {
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append(array, key, std::to_string(c), type, c);
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}
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wrap_object(array);
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std::copy(array.begin(), array.end(), std::back_inserter(result));
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} else {
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append(result, key, key, type, 0);
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}
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}
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wrap_object(result);
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return result;
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}
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bool Reflection::Struct::deserialise(const std::vector<uint8_t> &bson) {
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return deserialise(bson.data(), bson.size());
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}
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namespace {
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/*!
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Provides a proxy struct that redirects calls to set to another object and property, picking
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an offset based on the propety name specified here.
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*/
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struct ArrayReceiver: public Reflection::Struct {
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ArrayReceiver(Reflection::Struct *target, const std::type_info *type, const std::string &key, size_t count) :
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target_(target), type_(type), key_(key), count_(count) {}
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std::vector<std::string> all_keys() const final { return {}; }
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const std::type_info *type_of(const std::string &name) const final { return type_; }
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size_t count_of(const std::string &name) const final { return 0; }
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void set(const std::string &name, const void *value, size_t offset) final {
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const auto index = size_t(std::stoi(name));
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if(index >= count_) {
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return;
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}
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target_->set(key_, value, index);
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}
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virtual std::vector<std::string> values_for(const std::string &name) const final {
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return {};
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}
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void *get(const std::string &name) final {
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return nullptr;
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}
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private:
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Reflection::Struct *target_;
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const std::type_info *type_;
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std::string key_;
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size_t count_;
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};
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}
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bool Reflection::Struct::deserialise(const uint8_t *bson, size_t size) {
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// Validate the object's declared size.
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const auto end = bson + size;
|
||||
auto read_int = [&bson] (auto &target) {
|
||||
constexpr auto shift = 8 * (sizeof(target) - 1);
|
||||
target = 0;
|
||||
for(size_t c = 0; c < sizeof(target); ++c) {
|
||||
target >>= 8;
|
||||
target |= decltype(target)(*bson) << shift;
|
||||
++bson;
|
||||
}
|
||||
};
|
||||
|
||||
uint32_t object_size;
|
||||
read_int(object_size);
|
||||
if(object_size > size) return false;
|
||||
|
||||
while(true) {
|
||||
const uint8_t next_type = *bson;
|
||||
++bson;
|
||||
if(!next_type)
|
||||
break;
|
||||
|
||||
std::string key;
|
||||
while(*bson) {
|
||||
key.push_back(char(*bson));
|
||||
++bson;
|
||||
}
|
||||
++bson;
|
||||
|
||||
switch(next_type) {
|
||||
default:
|
||||
return false;
|
||||
|
||||
// 0x03: A subdocument; try to install the inner BSON.
|
||||
// 0x05: Binary data. Seek to populate a std::vector<uint8_t>.
|
||||
case 0x03:
|
||||
case 0x05: {
|
||||
const auto type = type_of(key);
|
||||
|
||||
uint32_t subobject_size;
|
||||
read_int(subobject_size);
|
||||
|
||||
if(next_type == 0x03 && *type == typeid(Reflection::Struct)) {
|
||||
auto child = reinterpret_cast<Reflection::Struct *>(get(key));
|
||||
child->deserialise(bson - 4, size_t(end - bson + 4));
|
||||
bson += subobject_size - 4;
|
||||
}
|
||||
|
||||
if(next_type == 0x05 && *type == typeid(std::vector<uint8_t>)) {
|
||||
auto child = reinterpret_cast<std::vector<uint8_t> *>(get(key));
|
||||
*child = std::vector<uint8_t>(bson, bson + subobject_size);
|
||||
bson += subobject_size;
|
||||
}
|
||||
} break;
|
||||
|
||||
// Array. BSON's encoding of these is a minor pain, but could be worse;
|
||||
// they're presented as a subobject with objects serialised in array order
|
||||
// but given the string keys "0", "1", etc. So: validate the keys, decode
|
||||
// the objects.
|
||||
case 0x04: {
|
||||
ArrayReceiver receiver(this, type_of(key), key, count_of(key));
|
||||
|
||||
uint32_t subobject_size;
|
||||
read_int(subobject_size);
|
||||
|
||||
receiver.deserialise(bson - 4, size_t(end - bson + 4));
|
||||
|
||||
bson += subobject_size - 4;
|
||||
} break;
|
||||
|
||||
// String.
|
||||
case 0x02: {
|
||||
uint32_t length;
|
||||
read_int(length);
|
||||
|
||||
const std::string value(bson, bson + length - 1);
|
||||
::Reflection::set<const std::string &>(*this, key, value);
|
||||
|
||||
bson += length;
|
||||
} break;
|
||||
|
||||
// Boolean.
|
||||
case 0x08: {
|
||||
const bool value = *bson;
|
||||
++bson;
|
||||
::Reflection::set(*this, key, value);
|
||||
} break;
|
||||
|
||||
// 32-bit int.
|
||||
case 0x10: {
|
||||
int32_t value;
|
||||
read_int(value);
|
||||
::Reflection::set(*this, key, value);
|
||||
} break;
|
||||
|
||||
// 64-bit int.
|
||||
case 0x12: {
|
||||
int64_t value;
|
||||
read_int(value);
|
||||
::Reflection::set(*this, key, value);
|
||||
} break;
|
||||
|
||||
// 64-bit double.
|
||||
case 0x01: {
|
||||
uint64_t value;
|
||||
read_int(value);
|
||||
|
||||
const double mantissa = 0.5 + double(value & 0x000f'ffff'ffff'ffff) / 9007199254740992.0;
|
||||
const int exponent = ((value >> 52) & 2047) - 1022;
|
||||
const double double_value = ldexp(mantissa, exponent);
|
||||
const double sign = (value & 0x8000'0000'0000'0000) ? -1 : 1;
|
||||
|
||||
::Reflection::set(*this, key, double_value * sign);
|
||||
} break;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -9,11 +9,13 @@
|
|||
#ifndef Struct_hpp
|
||||
#define Struct_hpp
|
||||
|
||||
#include <cassert>
|
||||
#include <cstdarg>
|
||||
#include <cstring>
|
||||
#include <string>
|
||||
#include <typeindex>
|
||||
#include <typeinfo>
|
||||
#include <type_traits>
|
||||
#include <unordered_map>
|
||||
#include <vector>
|
||||
|
||||
|
|
@ -27,8 +29,11 @@ struct Struct {
|
|||
virtual std::vector<std::string> all_keys() const = 0;
|
||||
virtual const std::type_info *type_of(const std::string &name) const = 0;
|
||||
virtual size_t count_of(const std::string &name) const = 0;
|
||||
virtual void set(const std::string &name, const void *value) = 0;
|
||||
virtual const void *get(const std::string &name) const = 0;
|
||||
virtual void set(const std::string &name, const void *value, size_t offset = 0) = 0;
|
||||
virtual void *get(const std::string &name) = 0;
|
||||
virtual const void *get(const std::string &name) const {
|
||||
return const_cast<Struct *>(this)->get(name);
|
||||
}
|
||||
virtual std::vector<std::string> values_for(const std::string &name) const = 0;
|
||||
virtual ~Struct() {}
|
||||
|
||||
|
|
@ -38,8 +43,39 @@ struct Struct {
|
|||
*/
|
||||
std::string description() const;
|
||||
|
||||
/*!
|
||||
Serialises this struct in BSON format.
|
||||
|
||||
Supported field types:
|
||||
|
||||
* [u]int[8/16/32/64]_t;
|
||||
* float and double;
|
||||
* bool;
|
||||
* std::string;
|
||||
* plain C-style arrays of any of the above;
|
||||
* other reflective structs;
|
||||
* std::vector<uint8_t> as raw binary data.
|
||||
|
||||
TODO: vector of string, possibly? Or more general vector support?
|
||||
|
||||
@returns The BSON serialisation.
|
||||
*/
|
||||
std::vector<uint8_t> serialise() const;
|
||||
|
||||
/*!
|
||||
Applies as many fields as possible from the incoming BSON. Supports the same types
|
||||
as @c serialise.
|
||||
*/
|
||||
bool deserialise(const std::vector<uint8_t> &bson);
|
||||
|
||||
/*!
|
||||
Called to determine whether @c key should be included in the serialisation of this struct.
|
||||
*/
|
||||
virtual bool should_serialise(const std::string &key) const { return true; }
|
||||
|
||||
private:
|
||||
void append(std::ostringstream &stream, const std::string &key, const std::type_info *type, size_t offset) const;
|
||||
bool deserialise(const uint8_t *bson, size_t size);
|
||||
};
|
||||
|
||||
/*!
|
||||
|
|
@ -47,33 +83,38 @@ struct Struct {
|
|||
|
||||
@returns @c true if the property was successfully set; @c false otherwise.
|
||||
*/
|
||||
template <typename Type> bool set(Struct &target, const std::string &name, Type value);
|
||||
template <typename Type> bool set(Struct &target, const std::string &name, Type value, size_t offset = 0);
|
||||
|
||||
/*!
|
||||
Setting an int:
|
||||
|
||||
* to an int copies the int;
|
||||
* to a smaller type, truncates the int;
|
||||
* to an int64_t promotes the int; and
|
||||
* to a registered enum, copies the int.
|
||||
*/
|
||||
template <> bool set(Struct &target, const std::string &name, int value);
|
||||
template <> bool set(Struct &target, const std::string &name, int64_t value, size_t offset);
|
||||
template <> bool set(Struct &target, const std::string &name, int value, size_t offset);
|
||||
|
||||
/*!
|
||||
Setting a string:
|
||||
|
||||
* to an enum, if the string names a member of the enum, sets the value.
|
||||
*/
|
||||
template <> bool set(Struct &target, const std::string &name, const std::string &value);
|
||||
template <> bool set(Struct &target, const std::string &name, const char *value);
|
||||
template <> bool set(Struct &target, const std::string &name, const std::string &value, size_t offset);
|
||||
template <> bool set(Struct &target, const std::string &name, const char *value, size_t offset);
|
||||
|
||||
/*!
|
||||
Setting a bool:
|
||||
|
||||
* to a bool, copies the value.
|
||||
*/
|
||||
template <> bool set(Struct &target, const std::string &name, bool value);
|
||||
template <> bool set(Struct &target, const std::string &name, bool value, size_t offset);
|
||||
|
||||
|
||||
template <> bool set(Struct &target, const std::string &name, float value, size_t offset);
|
||||
template <> bool set(Struct &target, const std::string &name, double value, size_t offset);
|
||||
|
||||
/*!
|
||||
Fuzzy-set attempts to set any property based on a string value. This is intended to allow input provided by the user.
|
||||
|
||||
|
|
@ -105,26 +146,16 @@ template <typename Type> bool get(const Struct &target, const std::string &name,
|
|||
*/
|
||||
template <typename Type> Type get(const Struct &target, const std::string &name, size_t offset = 0);
|
||||
|
||||
|
||||
// TODO: move this elsewhere. It's just a sketch anyway.
|
||||
struct Serialisable {
|
||||
/// Serialises this object, appending it to @c target.
|
||||
virtual void serialise(std::vector<uint8_t> &target) = 0;
|
||||
/// Deserialises this object from @c source.
|
||||
/// @returns @c true if the deserialisation was successful; @c false otherwise.
|
||||
virtual bool deserialise(const std::vector<uint8_t> &source) = 0;
|
||||
};
|
||||
|
||||
template <typename Owner> class StructImpl: public Struct {
|
||||
public:
|
||||
/*!
|
||||
@returns the value of type @c Type that is loaded from the offset registered for the field @c name.
|
||||
It is the caller's responsibility to provide an appropriate type of data.
|
||||
*/
|
||||
const void *get(const std::string &name) const final {
|
||||
void *get(const std::string &name) final {
|
||||
const auto iterator = contents_.find(name);
|
||||
if(iterator == contents_.end()) return nullptr;
|
||||
return reinterpret_cast<const uint8_t *>(this) + iterator->second.offset;
|
||||
return reinterpret_cast<uint8_t *>(this) + iterator->second.offset;
|
||||
}
|
||||
|
||||
/*!
|
||||
|
|
@ -132,10 +163,11 @@ template <typename Owner> class StructImpl: public Struct {
|
|||
|
||||
It is the caller's responsibility to provide an appropriate type of data.
|
||||
*/
|
||||
void set(const std::string &name, const void *value) final {
|
||||
void set(const std::string &name, const void *value, size_t offset) final {
|
||||
const auto iterator = contents_.find(name);
|
||||
if(iterator == contents_.end()) return;
|
||||
memcpy(reinterpret_cast<uint8_t *>(this) + iterator->second.offset, value, iterator->second.size);
|
||||
assert(offset < iterator->second.count);
|
||||
memcpy(reinterpret_cast<uint8_t *>(this) + iterator->second.offset + offset * iterator->second.size, value, iterator->second.size);
|
||||
}
|
||||
|
||||
/*!
|
||||
|
|
@ -291,8 +323,8 @@ template <typename Owner> class StructImpl: public Struct {
|
|||
|
||||
private:
|
||||
template <typename Type> bool declare_reflectable(Type *t, const std::string &name) {
|
||||
Reflection::Struct *const str = static_cast<Reflection::Struct *>(t);
|
||||
if(str) {
|
||||
if constexpr (std::is_base_of<Reflection::Struct, Type>::value) {
|
||||
Reflection::Struct *const str = static_cast<Reflection::Struct *>(t);
|
||||
declare_emplace(str, name);
|
||||
return true;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user