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Add support of Optional<T> scalars to C++ code generator (#6092)

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This commit is contained in:
Vladimir Glavnyy
2020-09-19 02:51:17 +07:00
committed by GitHub
parent 6228b66d3d
commit 8c67b5b129
19 changed files with 2471 additions and 133 deletions
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4
CMakeLists.txt
View File

@@ -158,6 +158,8 @@ set(FlatBuffers_Tests_SRCS
${CMAKE_CURRENT_BINARY_DIR}/tests/monster_extra_generated.h
# file generate by running compiler on tests/monster_test.fbs
${CMAKE_CURRENT_BINARY_DIR}/tests/monster_test_bfbs_generated.h
# file generate by running compiler on tests/optional_scalars.fbs
${CMAKE_CURRENT_BINARY_DIR}/tests/optional_scalars_generated.h
)
set(FlatBuffers_Tests_CPP17_SRCS
@@ -168,6 +170,8 @@ set(FlatBuffers_Tests_CPP17_SRCS
# file generate by running compiler on tests/monster_test.fbs
${CMAKE_CURRENT_BINARY_DIR}/tests/cpp17/generated_cpp17/monster_test_generated.h
${CMAKE_CURRENT_BINARY_DIR}/tests/monster_test_generated.h
${CMAKE_CURRENT_BINARY_DIR}/tests/cpp17/generated_cpp17/optional_scalars_generated.h
${CMAKE_CURRENT_BINARY_DIR}/tests/optional_scalars_generated.h
)
set(FlatBuffers_Sample_Binary_SRCS

25
include/flatbuffers/base.h
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@@ -47,22 +47,17 @@
#include <memory>
#if defined(__unix__) && !defined(FLATBUFFERS_LOCALE_INDEPENDENT)
#include <unistd.h>
#endif
#include <unistd.h>
#endif
#ifdef _STLPORT_VERSION
#define FLATBUFFERS_CPP98_STL
#endif
#ifndef FLATBUFFERS_CPP98_STL
#include <functional>
#endif
#ifdef __ANDROID__
#include <android/api-level.h>
#endif
#include "flatbuffers/stl_emulation.h"
#if defined(__ICCARM__)
#include <intrinsics.h>
#endif
@@ -162,10 +157,12 @@ namespace flatbuffers {
defined(__clang__)
#define FLATBUFFERS_FINAL_CLASS final
#define FLATBUFFERS_OVERRIDE override
#define FLATBUFFERS_EXPLICIT_CPP11 explicit
#define FLATBUFFERS_VTABLE_UNDERLYING_TYPE : flatbuffers::voffset_t
#else
#define FLATBUFFERS_FINAL_CLASS
#define FLATBUFFERS_OVERRIDE
#define FLATBUFFERS_EXPLICIT_CPP11
#define FLATBUFFERS_VTABLE_UNDERLYING_TYPE
#endif
@@ -173,10 +170,14 @@ namespace flatbuffers {
(!defined(__GNUC__) || (__GNUC__ * 100 + __GNUC_MINOR__ >= 406)) || \
(defined(__cpp_constexpr) && __cpp_constexpr >= 200704)
#define FLATBUFFERS_CONSTEXPR constexpr
#define FLATBUFFERS_CONSTEXPR_CPP11 constexpr
#define FLATBUFFERS_CONSTEXPR_DEFINED
#else
#define FLATBUFFERS_CONSTEXPR const
#define FLATBUFFERS_CONSTEXPR_CPP11
#endif
// This macro is never used in code!
#if (defined(__cplusplus) && __cplusplus >= 201402L) || \
(defined(__cpp_constexpr) && __cpp_constexpr >= 201304)
#define FLATBUFFERS_CONSTEXPR_CPP14 FLATBUFFERS_CONSTEXPR
@@ -202,6 +203,16 @@ namespace flatbuffers {
#define FLATBUFFERS_DELETE_FUNC(func) private: func;
#endif
// Check if we can use template aliases
// Not possible if Microsoft Compiler before 2012
// Possible is the language feature __cpp_alias_templates is defined well
// Or possible if the C++ std is C+11 or newer
#if (defined(_MSC_VER) && _MSC_VER > 1700 /* MSVC2012 */) \
|| (defined(__cpp_alias_templates) && __cpp_alias_templates >= 200704) \
|| (defined(__cplusplus) && __cplusplus >= 201103L)
#define FLATBUFFERS_TEMPLATES_ALIASES
#endif
#ifndef FLATBUFFERS_HAS_STRING_VIEW
// Only provide flatbuffers::string_view if __has_include can be used
// to detect a header that provides an implementation

35
include/flatbuffers/flatbuffers.h
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@@ -18,6 +18,11 @@
#define FLATBUFFERS_H_
#include "flatbuffers/base.h"
#include "flatbuffers/stl_emulation.h"
#ifndef FLATBUFFERS_CPP98_STL
#include <functional>
#endif
#if defined(FLATBUFFERS_NAN_DEFAULTS)
# include <cmath>
@@ -1303,6 +1308,11 @@ class FlatBufferBuilder {
TrackField(field, off);
}
template<typename T> void AddElement(voffset_t field, T e) {
auto off = PushElement(e);
TrackField(field, off);
}
template<typename T> void AddOffset(voffset_t field, Offset<T> off) {
if (off.IsNull()) return; // Don't store.
AddElement(field, ReferTo(off.o), static_cast<uoffset_t>(0));
@@ -2460,12 +2470,26 @@ class Table {
return field_offset ? reinterpret_cast<P>(p) : nullptr;
}
template<typename Raw, typename Face>
flatbuffers::Optional<Face> GetOptional(voffset_t field) const {
auto field_offset = GetOptionalFieldOffset(field);
auto p = data_ + field_offset;
return field_offset ? Optional<Face>(static_cast<Face>(ReadScalar<Raw>(p)))
: Optional<Face>();
}
template<typename T> bool SetField(voffset_t field, T val, T def) {
auto field_offset = GetOptionalFieldOffset(field);
if (!field_offset) return IsTheSameAs(val, def);
WriteScalar(data_ + field_offset, val);
return true;
}
template<typename T> bool SetField(voffset_t field, T val) {
auto field_offset = GetOptionalFieldOffset(field);
if (!field_offset) return false;
WriteScalar(data_ + field_offset, val);
return true;
}
bool SetPointer(voffset_t field, const uint8_t *val) {
auto field_offset = GetOptionalFieldOffset(field);
@@ -2533,6 +2557,17 @@ class Table {
uint8_t data_[1];
};
// This specialization allows avoiding warnings like:
// MSVC C4800: type: forcing value to bool 'true' or 'false'.
template<>
inline flatbuffers::Optional<bool> Table::GetOptional<uint8_t, bool>(
voffset_t field) const {
auto field_offset = GetOptionalFieldOffset(field);
auto p = data_ + field_offset;
return field_offset ? Optional<bool>(ReadScalar<uint8_t>(p) != 0)
: Optional<bool>();
}
template<typename T>
void FlatBufferBuilder::Required(Offset<T> table, voffset_t field) {
auto table_ptr = reinterpret_cast<const Table *>(buf_.data_at(table.o));

5
include/flatbuffers/idl.h
View File

@@ -847,6 +847,11 @@ class Parser : public ParserState {
FLATBUFFERS_CHECKED_ERROR Error(const std::string &msg);
// @brief Verify that any of 'opts.lang_to_generate' supports Optional scalars
// in a schema.
// @param opts Options used to parce a schema and generate code.
static bool SupportsOptionalScalars(const flatbuffers::IDLOptions &opts);
private:
void Message(const std::string &msg);
void Warning(const std::string &msg);

162
include/flatbuffers/stl_emulation.h
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@@ -18,6 +18,7 @@
#define FLATBUFFERS_STL_EMULATION_H_
// clang-format off
#include "flatbuffers/base.h"
#include <string>
#include <type_traits>
@@ -25,6 +26,17 @@
#include <memory>
#include <limits>
// Detect C++17 compatible compiler.
// __cplusplus >= 201703L - a compiler has support of 'static inline' variables.
#if defined(FLATBUFFERS_USE_STD_OPTIONAL) \
|| (defined(__cplusplus) && __cplusplus >= 201703L) \
|| (defined(_MSVC_LANG) && (_MSVC_LANG >= 201703L))
#include <optional>
#ifndef FLATBUFFERS_USE_STD_OPTIONAL
#define FLATBUFFERS_USE_STD_OPTIONAL
#endif
#endif
#if defined(_STLPORT_VERSION) && !defined(FLATBUFFERS_CPP98_STL)
#define FLATBUFFERS_CPP98_STL
#endif // defined(_STLPORT_VERSION) && !defined(FLATBUFFERS_CPP98_STL)
@@ -33,16 +45,6 @@
#include <cctype>
#endif // defined(FLATBUFFERS_CPP98_STL)
// Check if we can use template aliases
// Not possible if Microsoft Compiler before 2012
// Possible is the language feature __cpp_alias_templates is defined well
// Or possible if the C++ std is C+11 or newer
#if (defined(_MSC_VER) && _MSC_VER > 1700 /* MSVC2012 */) \
|| (defined(__cpp_alias_templates) && __cpp_alias_templates >= 200704) \
|| (defined(__cplusplus) && __cplusplus >= 201103L)
#define FLATBUFFERS_TEMPLATES_ALIASES
#endif
// This header provides backwards compatibility for C++98 STLs like stlport.
namespace flatbuffers {
@@ -302,6 +304,146 @@ inline void vector_emplace_back(std::vector<T> *vector, V &&data) {
#endif // !FLATBUFFERS_CPP98_STL
#ifdef FLATBUFFERS_USE_STD_OPTIONAL
template<class T>
using Optional = std::optional<T>;
using nullopt_t = std::nullopt_t;
inline constexpr nullopt_t nullopt = std::nullopt;
#else
// Limited implementation of Optional<T> type for a scalar T.
// This implementation limited by trivial types compatible with
// std::is_arithmetic<T> or std::is_enum<T> type traits.
// A tag to indicate an empty flatbuffers::optional<T>.
struct nullopt_t {
explicit FLATBUFFERS_CONSTEXPR_CPP11 nullopt_t(int) {}
};
#if defined(FLATBUFFERS_CONSTEXPR_DEFINED)
namespace internal {
template <class> struct nullopt_holder {
static constexpr nullopt_t instance_ = nullopt_t(0);
};
template<class Dummy>
constexpr nullopt_t nullopt_holder<Dummy>::instance_;
}
static constexpr const nullopt_t &nullopt = internal::nullopt_holder<void>::instance_;
#else
namespace internal {
template <class> struct nullopt_holder {
static const nullopt_t instance_;
};
template<class Dummy>
const nullopt_t nullopt_holder<Dummy>::instance_ = nullopt_t(0);
}
static const nullopt_t &nullopt = internal::nullopt_holder<void>::instance_;
#endif
template<class T>
class Optional FLATBUFFERS_FINAL_CLASS {
// Non-scalar 'T' would extremely complicated Optional<T>.
// Use is_scalar<T> checking because flatbuffers flatbuffers::is_arithmetic<T>
// isn't implemented.
static_assert(flatbuffers::is_scalar<T>::value, "unexpected type T");
public:
~Optional() {}
FLATBUFFERS_CONSTEXPR_CPP11 Optional() FLATBUFFERS_NOEXCEPT
: value_(), has_value_(false) {}
FLATBUFFERS_CONSTEXPR_CPP11 Optional(nullopt_t) FLATBUFFERS_NOEXCEPT
: value_(), has_value_(false) {}
FLATBUFFERS_CONSTEXPR_CPP11 Optional(T val) FLATBUFFERS_NOEXCEPT
: value_(val), has_value_(true) {}
FLATBUFFERS_CONSTEXPR_CPP11 Optional(const Optional &other) FLATBUFFERS_NOEXCEPT
: value_(other.value_), has_value_(other.has_value_) {}
FLATBUFFERS_CONSTEXPR_CPP14 Optional &operator=(const Optional &other) FLATBUFFERS_NOEXCEPT {
value_ = other.value_;
has_value_ = other.has_value_;
return *this;
}
FLATBUFFERS_CONSTEXPR_CPP14 Optional &operator=(nullopt_t) FLATBUFFERS_NOEXCEPT {
value_ = T();
has_value_ = false;
return *this;
}
FLATBUFFERS_CONSTEXPR_CPP14 Optional &operator=(T val) FLATBUFFERS_NOEXCEPT {
value_ = val;
has_value_ = true;
return *this;
}
void reset() FLATBUFFERS_NOEXCEPT {
*this = nullopt;
}
void swap(Optional &other) FLATBUFFERS_NOEXCEPT {
std::swap(value_, other.value_);
std::swap(has_value_, other.has_value_);
}
FLATBUFFERS_CONSTEXPR_CPP11 FLATBUFFERS_EXPLICIT_CPP11 operator bool() const FLATBUFFERS_NOEXCEPT {
return has_value_;
}
FLATBUFFERS_CONSTEXPR_CPP11 bool has_value() const FLATBUFFERS_NOEXCEPT {
return has_value_;
}
FLATBUFFERS_CONSTEXPR_CPP11 const T& operator*() const FLATBUFFERS_NOEXCEPT {
return value_;
}
const T& value() const {
FLATBUFFERS_ASSERT(has_value());
return value_;
}
T value_or(T default_value) const FLATBUFFERS_NOEXCEPT {
return has_value() ? value_ : default_value;
}
private:
T value_;
bool has_value_;
};
template<class T>
FLATBUFFERS_CONSTEXPR_CPP11 bool operator==(const Optional<T>& opt, nullopt_t) FLATBUFFERS_NOEXCEPT {
return !opt;
}
template<class T>
FLATBUFFERS_CONSTEXPR_CPP11 bool operator==(nullopt_t, const Optional<T>& opt) FLATBUFFERS_NOEXCEPT {
return !opt;
}
template<class T, class U>
FLATBUFFERS_CONSTEXPR_CPP11 bool operator==(const Optional<T>& lhs, const U& rhs) FLATBUFFERS_NOEXCEPT {
return static_cast<bool>(lhs) && (*lhs == rhs);
}
template<class T, class U>
FLATBUFFERS_CONSTEXPR_CPP11 bool operator==(const T& lhs, const Optional<U>& rhs) FLATBUFFERS_NOEXCEPT {
return static_cast<bool>(rhs) && (lhs == *rhs);
}
template<class T, class U>
FLATBUFFERS_CONSTEXPR_CPP11 bool operator==(const Optional<T>& lhs, const Optional<U>& rhs) FLATBUFFERS_NOEXCEPT {
return static_cast<bool>(lhs) != static_cast<bool>(rhs)
? false
: !static_cast<bool>(lhs) ? false : (*lhs == *rhs);
}
#endif // FLATBUFFERS_USE_STD_OPTIONAL
} // namespace flatbuffers
#endif // FLATBUFFERS_STL_EMULATION_H_

1
include/flatbuffers/util.h
View File

@@ -20,6 +20,7 @@
#include <errno.h>
#include "flatbuffers/base.h"
#include "flatbuffers/stl_emulation.h"
#ifndef FLATBUFFERS_PREFER_PRINTF
# include <sstream>

204
src/idl_gen_cpp.cpp
View File

@@ -751,6 +751,12 @@ class CppGenerator : public BaseGenerator {
return ptr_type == "naked" ? "" : ".get()";
}
std::string GenOptionalNull() { return "flatbuffers::nullopt"; }
std::string GenOptionalDecl(const Type &type) {
return "flatbuffers::Optional<" + GenTypeBasic(type, true) + ">";
}
std::string GenTypeNative(const Type &type, bool invector,
const FieldDef &field) {
switch (type.base_type) {
@@ -788,7 +794,8 @@ class CppGenerator : public BaseGenerator {
return type_name + "Union";
}
default: {
return GenTypeBasic(type, true);
return field.IsScalarOptional() ? GenOptionalDecl(type)
: GenTypeBasic(type, true);
}
}
}
@@ -1581,17 +1588,17 @@ class CppGenerator : public BaseGenerator {
}
std::string GetDefaultScalarValue(const FieldDef &field, bool is_ctor) {
if (field.value.type.enum_def && IsScalar(field.value.type.base_type)) {
auto ev = field.value.type.enum_def->FindByValue(field.value.constant);
const auto &type = field.value.type;
if (type.enum_def && IsScalar(type.base_type)) {
auto ev = type.enum_def->FindByValue(field.value.constant);
if (ev) {
return WrapInNameSpace(field.value.type.enum_def->defined_namespace,
GetEnumValUse(*field.value.type.enum_def, *ev));
return WrapInNameSpace(type.enum_def->defined_namespace,
GetEnumValUse(*type.enum_def, *ev));
} else {
return GenUnderlyingCast(
field, true,
NumToStringCpp(field.value.constant, field.value.type.base_type));
field, true, NumToStringCpp(field.value.constant, type.base_type));
}
} else if (field.value.type.base_type == BASE_TYPE_BOOL) {
} else if (type.base_type == BASE_TYPE_BOOL) {
return field.value.constant == "0" ? "false" : "true";
} else if (field.attributes.Lookup("cpp_type")) {
if (is_ctor) {
@@ -1604,7 +1611,8 @@ class CppGenerator : public BaseGenerator {
return "0";
}
} else {
return GenDefaultConstant(field);
return field.IsScalarOptional() ? GenOptionalNull()
: GenDefaultConstant(field);
}
}
@@ -1629,8 +1637,14 @@ class CppGenerator : public BaseGenerator {
}
code_.SetValue("PARAM_VALUE", "nullptr");
} else {
code_.SetValue("PARAM_TYPE", GenTypeWire(field.value.type, " ", true));
code_.SetValue("PARAM_VALUE", GetDefaultScalarValue(field, false));
const auto &type = field.value.type;
if (field.IsScalarOptional()) {
code_.SetValue("PARAM_TYPE", GenOptionalDecl(type));
code_.SetValue("PARAM_VALUE", GenOptionalNull());
} else {
code_.SetValue("PARAM_TYPE", GenTypeWire(type, " ", true));
code_.SetValue("PARAM_VALUE", GetDefaultScalarValue(field, false));
}
}
code_ += "{{PRE}}{{PARAM_TYPE}}{{PARAM_NAME}} = {{PARAM_VALUE}}\\";
}
@@ -1692,7 +1706,9 @@ class CppGenerator : public BaseGenerator {
auto native_default = field.attributes.Lookup("native_default");
// Scalar types get parsed defaults, raw pointers get nullptrs.
if (IsScalar(field.value.type.base_type)) {
if (!initializer_list.empty()) { initializer_list += ",\n "; }
if (!initializer_list.empty()) {
initializer_list += ",\n ";
}
initializer_list += Name(field);
initializer_list +=
"(" +
@@ -1906,16 +1922,6 @@ class CppGenerator : public BaseGenerator {
}
}
std::string GetFieldAccessor(const FieldDef &field) const {
const auto &type = field.value.type;
if (IsScalar(type.base_type))
return "GetField<";
else if (IsStruct(type))
return "GetStruct<";
else
return "GetPointer<";
}
void GenTableUnionAsGetters(const FieldDef &field) {
const auto &type = field.value.type;
auto u = type.enum_def;
@@ -1950,33 +1956,47 @@ class CppGenerator : public BaseGenerator {
}
void GenTableFieldGetter(const FieldDef &field) {
const auto& type = field.value.type;
const bool is_scalar = IsScalar(type.base_type);
const auto &type = field.value.type;
const auto offset_str = GenFieldOffsetName(field);
// Call a different accessor for pointers, that indirects.
auto accessor = GetFieldAccessor(field);
auto offset_str = GenFieldOffsetName(field);
auto offset_type = GenTypeGet(type, "", "const ", " *", false);
auto call = accessor + offset_type + ">(" + offset_str;
// Default value as second arg for non-pointer types.
if (is_scalar) { call += ", " + GenDefaultConstant(field); }
call += ")";
std::string afterptr = " *" + NullableExtension();
GenComment(field.doc_comment, " ");
code_.SetValue("FIELD_TYPE", GenTypeGet(type, " ", "const ",
afterptr.c_str(), true));
code_.SetValue("FIELD_VALUE", GenUnderlyingCast(field, true, call));
code_.SetValue("NULLABLE_EXT", NullableExtension());
// Call a different accessor for pointers, that indirects.
if (false == field.IsScalarOptional()) {
const bool is_scalar = IsScalar(type.base_type);
std::string accessor;
if (is_scalar)
accessor = "GetField<";
else if (IsStruct(type))
accessor = "GetStruct<";
else
accessor = "GetPointer<";
auto offset_type = GenTypeGet(type, "", "const ", " *", false);
auto call = accessor + offset_type + ">(" + offset_str;
// Default value as second arg for non-pointer types.
if (is_scalar) { call += ", " + GenDefaultConstant(field); }
call += ")";
code_ += " {{FIELD_TYPE}}{{FIELD_NAME}}() const {";
code_ += " return {{FIELD_VALUE}};";
code_ += " }";
if (type.base_type == BASE_TYPE_UNION) {
GenTableUnionAsGetters(field);
std::string afterptr = " *" + NullableExtension();
code_.SetValue("FIELD_TYPE",
GenTypeGet(type, " ", "const ", afterptr.c_str(), true));
code_.SetValue("FIELD_VALUE", GenUnderlyingCast(field, true, call));
code_.SetValue("NULLABLE_EXT", NullableExtension());
code_ += " {{FIELD_TYPE}}{{FIELD_NAME}}() const {";
code_ += " return {{FIELD_VALUE}};";
code_ += " }";
}
else {
auto wire_type = GenTypeBasic(type, false);
auto face_type = GenTypeBasic(type, true);
auto opt_value = "GetOptional<" + wire_type + ", " + face_type + ">(" +
offset_str + ")";
code_.SetValue("FIELD_TYPE", GenOptionalDecl(type));
code_ += " {{FIELD_TYPE}} {{FIELD_NAME}}() const {";
code_ += " return " + opt_value + ";";
code_ += " }";
}
if (type.base_type == BASE_TYPE_UNION) { GenTableUnionAsGetters(field); }
}
void GenTableFieldSetter(const FieldDef &field) {
@@ -1984,7 +2004,7 @@ class CppGenerator : public BaseGenerator {
const bool is_scalar = IsScalar(type.base_type);
if (is_scalar && IsUnion(type))
return; // changing of a union's type is forbidden
auto accessor = GetFieldAccessor(field);
auto offset_str = GenFieldOffsetName(field);
if (is_scalar) {
const auto wire_type = GenTypeWire(type, "", false);
@@ -1993,18 +2013,23 @@ class CppGenerator : public BaseGenerator {
code_.SetValue("FIELD_TYPE", GenTypeBasic(type, true));
code_.SetValue("FIELD_VALUE",
GenUnderlyingCast(field, false, "_" + Name(field)));
code_.SetValue("DEFAULT_VALUE", GenDefaultConstant(field));
code_ +=
" bool mutate_{{FIELD_NAME}}({{FIELD_TYPE}} "
"_{{FIELD_NAME}}) {";
code_ +=
" return {{SET_FN}}({{OFFSET_NAME}}, {{FIELD_VALUE}}, "
"{{DEFAULT_VALUE}});";
if (false == field.IsScalarOptional()) {
code_.SetValue("DEFAULT_VALUE", GenDefaultConstant(field));
code_ +=
" return {{SET_FN}}({{OFFSET_NAME}}, {{FIELD_VALUE}}, "
"{{DEFAULT_VALUE}});";
} else {
code_ += " return {{SET_FN}}({{OFFSET_NAME}}, {{FIELD_VALUE}});";
}
code_ += " }";
} else {
auto postptr = " *" + NullableExtension();
auto wire_type = GenTypeGet(type, " ", "", postptr.c_str(), true);
std::string accessor = IsStruct(type) ? "GetStruct<" : "GetPointer<";
auto underlying = accessor + wire_type + ">(" + offset_str + ")";
code_.SetValue("FIELD_TYPE", wire_type);
code_.SetValue("FIELD_VALUE", GenUnderlyingCast(field, true, underlying));
@@ -2073,7 +2098,7 @@ class CppGenerator : public BaseGenerator {
// Deprecated fields won't be accessible.
continue;
}
code_.SetValue("FIELD_NAME", Name(field));
GenTableFieldGetter(field);
if (opts_.mutable_buffer) {
@@ -2219,43 +2244,44 @@ class CppGenerator : public BaseGenerator {
for (auto it = struct_def.fields.vec.begin();
it != struct_def.fields.vec.end(); ++it) {
const auto &field = **it;
if (!field.deprecated) {
const bool is_scalar = IsScalar(field.value.type.base_type);
const bool is_string = field.value.type.base_type == BASE_TYPE_STRING;
const bool is_vector = field.value.type.base_type == BASE_TYPE_VECTOR;
if (is_string || is_vector) { has_string_or_vector_fields = true; }
if (field.deprecated)
continue;
const bool is_scalar = IsScalar(field.value.type.base_type);
const bool is_default_scalar = is_scalar && !field.IsScalarOptional();
const bool is_string = field.value.type.base_type == BASE_TYPE_STRING;
const bool is_vector = field.value.type.base_type == BASE_TYPE_VECTOR;
if (is_string || is_vector) { has_string_or_vector_fields = true; }
std::string offset = GenFieldOffsetName(field);
std::string name = GenUnderlyingCast(field, false, Name(field));
std::string value = is_scalar ? GenDefaultConstant(field) : "";
std::string offset = GenFieldOffsetName(field);
std::string name = GenUnderlyingCast(field, false, Name(field));
std::string value = is_default_scalar ? GenDefaultConstant(field) : "";
// Generate accessor functions of the form:
// void add_name(type name) {
// fbb_.AddElement<type>(offset, name, default);
// }
code_.SetValue("FIELD_NAME", Name(field));
code_.SetValue("FIELD_TYPE", GenTypeWire(field.value.type, " ", true));
code_.SetValue("ADD_OFFSET", Name(struct_def) + "::" + offset);
code_.SetValue("ADD_NAME", name);
code_.SetValue("ADD_VALUE", value);
if (is_scalar) {
const auto type = GenTypeWire(field.value.type, "", false);
code_.SetValue("ADD_FN", "AddElement<" + type + ">");
} else if (IsStruct(field.value.type)) {
code_.SetValue("ADD_FN", "AddStruct");
} else {
code_.SetValue("ADD_FN", "AddOffset");
}
code_ += " void add_{{FIELD_NAME}}({{FIELD_TYPE}}{{FIELD_NAME}}) {";
code_ += " fbb_.{{ADD_FN}}(\\";
if (is_scalar) {
code_ += "{{ADD_OFFSET}}, {{ADD_NAME}}, {{ADD_VALUE}});";
} else {
code_ += "{{ADD_OFFSET}}, {{ADD_NAME}});";
}
code_ += " }";
// Generate accessor functions of the form:
// void add_name(type name) {
// fbb_.AddElement<type>(offset, name, default);
// }
code_.SetValue("FIELD_NAME", Name(field));
code_.SetValue("FIELD_TYPE", GenTypeWire(field.value.type, " ", true));
code_.SetValue("ADD_OFFSET", Name(struct_def) + "::" + offset);
code_.SetValue("ADD_NAME", name);
code_.SetValue("ADD_VALUE", value);
if (is_scalar) {
const auto type = GenTypeWire(field.value.type, "", false);
code_.SetValue("ADD_FN", "AddElement<" + type + ">");
} else if (IsStruct(field.value.type)) {
code_.SetValue("ADD_FN", "AddStruct");
} else {
code_.SetValue("ADD_FN", "AddOffset");
}
code_ += " void add_{{FIELD_NAME}}({{FIELD_TYPE}}{{FIELD_NAME}}) {";
code_ += " fbb_.{{ADD_FN}}(\\";
if (is_default_scalar) {
code_ += "{{ADD_OFFSET}}, {{ADD_NAME}}, {{ADD_VALUE}});";
} else {
code_ += "{{ADD_OFFSET}}, {{ADD_NAME}});";
}
code_ += " }";
}
// Builder constructor
@@ -2307,7 +2333,13 @@ class CppGenerator : public BaseGenerator {
if (!field.deprecated && (!struct_def.sortbysize ||
size == SizeOf(field.value.type.base_type))) {
code_.SetValue("FIELD_NAME", Name(field));
code_ += " builder_.add_{{FIELD_NAME}}({{FIELD_NAME}});";
if (field.IsScalarOptional()) {
code_ +=
" if({{FIELD_NAME}}) { "
"builder_.add_{{FIELD_NAME}}(*{{FIELD_NAME}}); }";
} else {
code_ += " builder_.add_{{FIELD_NAME}}({{FIELD_NAME}});";
}
}
}
}

53
src/idl_parser.cpp
View File

@@ -743,6 +743,34 @@ CheckedError Parser::ParseField(StructDef &struct_def) {
return Error(
"default values currently only supported for scalars in tables");
}
// Mark the optional scalars. Note that a side effect of ParseSingleValue is
// fixing field->value.constant to null.
if (IsScalar(type.base_type)) {
field->optional = (field->value.constant == "null");
if (field->optional) {
if (type.enum_def && type.enum_def->Lookup("null")) {
FLATBUFFERS_ASSERT(IsInteger(type.base_type));
return Error(
"the default 'null' is reserved for declaring optional scalar "
"fields, it conflicts with declaration of enum '" +
type.enum_def->name + "'.");
}
if (field->attributes.Lookup("key")) {
return Error("only a non-optional scalar field can be used as a 'key' field");
}
if (!SupportsOptionalScalars()) {
return Error(
"Optional scalars are not yet supported in at least one the of "
"the specified programming languages.");
}
}
} else {
// For nonscalars, only required fields are non-optional.
// At least until https://github.com/google/flatbuffers/issues/6053
field->optional = !field->required;
}
// Append .0 if the value has not it (skip hex and scientific floats).
// This suffix needed for generated C++ code.
if (IsFloat(type.base_type)) {
@@ -772,6 +800,7 @@ CheckedError Parser::ParseField(StructDef &struct_def) {
} else {
// All unions should have the NONE ("0") enum value.
auto in_enum = type.enum_def->attributes.Lookup("bit_flags") ||
field->IsScalarOptional() ||
type.enum_def->FindByValue(field->value.constant);
if (false == in_enum)
return Error("default value of " + field->value.constant +
@@ -833,17 +862,7 @@ CheckedError Parser::ParseField(StructDef &struct_def) {
if (field->required && (struct_def.fixed || IsScalar(type.base_type)))
return Error("only non-scalar fields in tables may be 'required'");
// Mark the optional scalars. Note that a side effect of ParseSingleValue is
// fixing field->value.constant to null.
if (IsScalar(type.base_type)) {
field->optional = (field->value.constant == "null");
if (field->optional && !SupportsOptionalScalars()) {
return Error(
"Optional scalars are not yet supported in at least one the of "
"the specified programming languages."
);
}
} else {
if(!IsScalar(type.base_type)) {
// For nonscalars, only required fields are non-optional.
// At least until https://github.com/google/flatbuffers/issues/6053
field->optional = !field->required;
@@ -2260,11 +2279,17 @@ CheckedError Parser::CheckClash(std::vector<FieldDef *> &fields,
return NoError();
}
bool Parser::SupportsOptionalScalars(const flatbuffers::IDLOptions &opts){
static FLATBUFFERS_CONSTEXPR unsigned long supported_langs =
IDLOptions::kRust | IDLOptions::kSwift | IDLOptions::kLobster |
IDLOptions::kKotlin | IDLOptions::kCpp;
unsigned long langs = opts.lang_to_generate;
return (langs > 0 && langs < IDLOptions::kMAX) && !(langs & ~supported_langs);
}
bool Parser::SupportsOptionalScalars() const {
return !(opts.lang_to_generate &
~(IDLOptions::kRust | IDLOptions::kSwift | IDLOptions::kLobster |
IDLOptions::kKotlin));
// Check in general if a language isn't specified.
return opts.lang_to_generate == 0 || SupportsOptionalScalars(opts);
}
bool Parser::SupportsAdvancedUnionFeatures() const {

2
tests/BUILD
View File

@@ -20,6 +20,7 @@ cc_test(
"test_builder.cpp",
"test_builder.h",
"union_vector/union_vector_generated.h",
"optional_scalars_generated.h",
],
copts = [
"-DFLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE",
@@ -53,6 +54,7 @@ cc_test(
":unicode_test.json",
":union_vector/union_vector.fbs",
":union_vector/union_vector.json",
":optional_scalars.fbs",
],
includes = [
"",

27
tests/FlatBuffers.Test.Swift/Tests/FlatBuffers.Test.SwiftTests/optional_scalars_generated.swift
View File

@@ -3,12 +3,25 @@
import FlatBuffers
public enum optional_scalars_OptionalByte: Int8, Enum {
public typealias T = Int8
public static var byteSize: Int { return MemoryLayout<Int8>.size }
public var value: Int8 { return self.rawValue }
case none_ = 0
case one = 1
public static var max: optional_scalars_OptionalByte { return .one }
public static var min: optional_scalars_OptionalByte { return .none_ }
}
public struct optional_scalars_ScalarStuff: FlatBufferObject {
static func validateVersion() { FlatBuffersVersion_1_12_0() }
public var __buffer: ByteBuffer! { return _accessor.bb }
private var _accessor: Table
public static func finish(_ fbb: inout FlatBufferBuilder, end: Offset<UOffset>, prefix: Bool = false) { fbb.finish(offset: end, fileId: "NULL", addPrefix: prefix) }
public static func getRootAsScalarStuff(bb: ByteBuffer) -> optional_scalars_ScalarStuff { return optional_scalars_ScalarStuff(Table(bb: bb, position: Int32(bb.read(def: UOffset.self, position: bb.reader)) + Int32(bb.reader))) }
private init(_ t: Table) { _accessor = t }
@@ -48,6 +61,8 @@ public struct optional_scalars_ScalarStuff: FlatBufferObject {
case justBool = 64
case maybeBool = 66
case defaultBool = 68
case justEnum = 70
case defaultEnum = 72
var v: Int32 { Int32(self.rawValue) }
var p: VOffset { self.rawValue }
}
@@ -85,7 +100,9 @@ public struct optional_scalars_ScalarStuff: FlatBufferObject {
public var justBool: Bool { let o = _accessor.offset(VTOFFSET.justBool.v); return o == 0 ? false : 0 != _accessor.readBuffer(of: Byte.self, at: o) }
public var maybeBool: Bool? { let o = _accessor.offset(VTOFFSET.maybeBool.v); return o == 0 ? true : 0 != _accessor.readBuffer(of: Byte.self, at: o) }
public var defaultBool: Bool { let o = _accessor.offset(VTOFFSET.defaultBool.v); return o == 0 ? true : 0 != _accessor.readBuffer(of: Byte.self, at: o) }
public static func startScalarStuff(_ fbb: inout FlatBufferBuilder) -> UOffset { fbb.startTable(with: 33) }
public var justEnum: optional_scalars_OptionalByte { let o = _accessor.offset(VTOFFSET.justEnum.v); return o == 0 ? .none_ : optional_scalars_OptionalByte(rawValue: _accessor.readBuffer(of: Int8.self, at: o)) ?? .none_ }
public var defaultEnum: optional_scalars_OptionalByte { let o = _accessor.offset(VTOFFSET.defaultEnum.v); return o == 0 ? .one : optional_scalars_OptionalByte(rawValue: _accessor.readBuffer(of: Int8.self, at: o)) ?? .one }
public static func startScalarStuff(_ fbb: inout FlatBufferBuilder) -> UOffset { fbb.startTable(with: 35) }
public static func add(justI8: Int8, _ fbb: inout FlatBufferBuilder) { fbb.add(element: justI8, def: 0, at: VTOFFSET.justI8.p) }
public static func add(maybeI8: Int8?, _ fbb: inout FlatBufferBuilder) { fbb.add(element: maybeI8, at: VTOFFSET.maybeI8.p) }
public static func add(defaultI8: Int8, _ fbb: inout FlatBufferBuilder) { fbb.add(element: defaultI8, def: 42, at: VTOFFSET.defaultI8.p) }
@@ -121,6 +138,8 @@ public struct optional_scalars_ScalarStuff: FlatBufferObject {
public static func add(maybeBool: Bool?, _ fbb: inout FlatBufferBuilder) { fbb.add(element: maybeBool, at: VTOFFSET.maybeBool.p) }
public static func add(defaultBool: Bool, _ fbb: inout FlatBufferBuilder) { fbb.add(element: defaultBool, def: true,
at: VTOFFSET.defaultBool.p) }
public static func add(justEnum: optional_scalars_OptionalByte, _ fbb: inout FlatBufferBuilder) { fbb.add(element: justEnum.rawValue, def: 0, at: VTOFFSET.justEnum.p) }
public static func add(defaultEnum: optional_scalars_OptionalByte, _ fbb: inout FlatBufferBuilder) { fbb.add(element: defaultEnum.rawValue, def: 1, at: VTOFFSET.defaultEnum.p) }
public static func endScalarStuff(_ fbb: inout FlatBufferBuilder, start: UOffset) -> Offset<UOffset> { let end = Offset<UOffset>(offset: fbb.endTable(at: start)); return end }
public static func createScalarStuff(
_ fbb: inout FlatBufferBuilder,
@@ -156,7 +175,9 @@ public struct optional_scalars_ScalarStuff: FlatBufferObject {
defaultF64: Double = 42.0,
justBool: Bool = false,
maybeBool: Bool? = nil,
defaultBool: Bool = true
defaultBool: Bool = true,
justEnum: optional_scalars_OptionalByte = .none_,
defaultEnum: optional_scalars_OptionalByte = .one
) -> Offset<UOffset> {
let __start = optional_scalars_ScalarStuff.startScalarStuff(&fbb)
optional_scalars_ScalarStuff.add(justI8: justI8, &fbb)
@@ -192,6 +213,8 @@ public struct optional_scalars_ScalarStuff: FlatBufferObject {
optional_scalars_ScalarStuff.add(justBool: justBool, &fbb)
optional_scalars_ScalarStuff.add(maybeBool: maybeBool, &fbb)
optional_scalars_ScalarStuff.add(defaultBool: defaultBool, &fbb)
optional_scalars_ScalarStuff.add(justEnum: justEnum, &fbb)
optional_scalars_ScalarStuff.add(defaultEnum: defaultEnum, &fbb)
return optional_scalars_ScalarStuff.endScalarStuff(&fbb, start: __start)
}
}

878
tests/cpp17/generated_cpp17/optional_scalars_generated.h Normal file
View File

@@ -0,0 +1,878 @@
// automatically generated by the FlatBuffers compiler, do not modify
#ifndef FLATBUFFERS_GENERATED_OPTIONALSCALARS_OPTIONAL_SCALARS_H_
#define FLATBUFFERS_GENERATED_OPTIONALSCALARS_OPTIONAL_SCALARS_H_
#include "flatbuffers/flatbuffers.h"
namespace optional_scalars {
struct ScalarStuff;
struct ScalarStuffBuilder;
struct ScalarStuffT;
inline const flatbuffers::TypeTable *ScalarStuffTypeTable();
enum class OptionalByte : int8_t {
None = 0,
One = 1,
MIN = None,
MAX = One
};
inline const OptionalByte (&EnumValuesOptionalByte())[2] {
static const OptionalByte values[] = {
OptionalByte::None,
OptionalByte::One
};
return values;
}
inline const char * const *EnumNamesOptionalByte() {
static const char * const names[3] = {
"None",
"One",
nullptr
};
return names;
}
inline const char *EnumNameOptionalByte(OptionalByte e) {
if (flatbuffers::IsOutRange(e, OptionalByte::None, OptionalByte::One)) return "";
const size_t index = static_cast<size_t>(e);
return EnumNamesOptionalByte()[index];
}
struct ScalarStuffT : public flatbuffers::NativeTable {
typedef ScalarStuff TableType;
int8_t just_i8 = 0;
flatbuffers::Optional<int8_t> maybe_i8 = flatbuffers::nullopt;
int8_t default_i8 = 42;
uint8_t just_u8 = 0;
flatbuffers::Optional<uint8_t> maybe_u8 = flatbuffers::nullopt;
uint8_t default_u8 = 42;
int16_t just_i16 = 0;
flatbuffers::Optional<int16_t> maybe_i16 = flatbuffers::nullopt;
int16_t default_i16 = 42;
uint16_t just_u16 = 0;
flatbuffers::Optional<uint16_t> maybe_u16 = flatbuffers::nullopt;
uint16_t default_u16 = 42;
int32_t just_i32 = 0;
flatbuffers::Optional<int32_t> maybe_i32 = flatbuffers::nullopt;
int32_t default_i32 = 42;
uint32_t just_u32 = 0;
flatbuffers::Optional<uint32_t> maybe_u32 = flatbuffers::nullopt;
uint32_t default_u32 = 42;
int64_t just_i64 = 0;
flatbuffers::Optional<int64_t> maybe_i64 = flatbuffers::nullopt;
int64_t default_i64 = 42LL;
uint64_t just_u64 = 0;
flatbuffers::Optional<uint64_t> maybe_u64 = flatbuffers::nullopt;
uint64_t default_u64 = 42ULL;
float just_f32 = 0.0f;
flatbuffers::Optional<float> maybe_f32 = flatbuffers::nullopt;
float default_f32 = 42.0f;
double just_f64 = 0.0;
flatbuffers::Optional<double> maybe_f64 = flatbuffers::nullopt;
double default_f64 = 42.0;
bool just_bool = false;
flatbuffers::Optional<bool> maybe_bool = true;
bool default_bool = true;
optional_scalars::OptionalByte just_enum = optional_scalars::OptionalByte::None;
optional_scalars::OptionalByte default_enum = optional_scalars::OptionalByte::One;
};
struct ScalarStuff FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
typedef ScalarStuffT NativeTableType;
typedef ScalarStuffBuilder Builder;
struct Traits;
static const flatbuffers::TypeTable *MiniReflectTypeTable() {
return ScalarStuffTypeTable();
}
enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
VT_JUST_I8 = 4,
VT_MAYBE_I8 = 6,
VT_DEFAULT_I8 = 8,
VT_JUST_U8 = 10,
VT_MAYBE_U8 = 12,
VT_DEFAULT_U8 = 14,
VT_JUST_I16 = 16,
VT_MAYBE_I16 = 18,
VT_DEFAULT_I16 = 20,
VT_JUST_U16 = 22,
VT_MAYBE_U16 = 24,
VT_DEFAULT_U16 = 26,
VT_JUST_I32 = 28,
VT_MAYBE_I32 = 30,
VT_DEFAULT_I32 = 32,
VT_JUST_U32 = 34,
VT_MAYBE_U32 = 36,
VT_DEFAULT_U32 = 38,
VT_JUST_I64 = 40,
VT_MAYBE_I64 = 42,
VT_DEFAULT_I64 = 44,
VT_JUST_U64 = 46,
VT_MAYBE_U64 = 48,
VT_DEFAULT_U64 = 50,
VT_JUST_F32 = 52,
VT_MAYBE_F32 = 54,
VT_DEFAULT_F32 = 56,
VT_JUST_F64 = 58,
VT_MAYBE_F64 = 60,
VT_DEFAULT_F64 = 62,
VT_JUST_BOOL = 64,
VT_MAYBE_BOOL = 66,
VT_DEFAULT_BOOL = 68,
VT_JUST_ENUM = 70,
VT_DEFAULT_ENUM = 72
};
int8_t just_i8() const {
return GetField<int8_t>(VT_JUST_I8, 0);
}
bool mutate_just_i8(int8_t _just_i8) {
return SetField<int8_t>(VT_JUST_I8, _just_i8, 0);
}
flatbuffers::Optional<int8_t> maybe_i8() const {
return GetOptional<int8_t, int8_t>(VT_MAYBE_I8);
}
bool mutate_maybe_i8(int8_t _maybe_i8) {
return SetField<int8_t>(VT_MAYBE_I8, _maybe_i8);
}
int8_t default_i8() const {
return GetField<int8_t>(VT_DEFAULT_I8, 42);
}
bool mutate_default_i8(int8_t _default_i8) {
return SetField<int8_t>(VT_DEFAULT_I8, _default_i8, 42);
}
uint8_t just_u8() const {
return GetField<uint8_t>(VT_JUST_U8, 0);
}
bool mutate_just_u8(uint8_t _just_u8) {
return SetField<uint8_t>(VT_JUST_U8, _just_u8, 0);
}
flatbuffers::Optional<uint8_t> maybe_u8() const {
return GetOptional<uint8_t, uint8_t>(VT_MAYBE_U8);
}
bool mutate_maybe_u8(uint8_t _maybe_u8) {
return SetField<uint8_t>(VT_MAYBE_U8, _maybe_u8);
}
uint8_t default_u8() const {
return GetField<uint8_t>(VT_DEFAULT_U8, 42);
}
bool mutate_default_u8(uint8_t _default_u8) {
return SetField<uint8_t>(VT_DEFAULT_U8, _default_u8, 42);
}
int16_t just_i16() const {
return GetField<int16_t>(VT_JUST_I16, 0);
}
bool mutate_just_i16(int16_t _just_i16) {
return SetField<int16_t>(VT_JUST_I16, _just_i16, 0);
}
flatbuffers::Optional<int16_t> maybe_i16() const {
return GetOptional<int16_t, int16_t>(VT_MAYBE_I16);
}
bool mutate_maybe_i16(int16_t _maybe_i16) {
return SetField<int16_t>(VT_MAYBE_I16, _maybe_i16);
}
int16_t default_i16() const {
return GetField<int16_t>(VT_DEFAULT_I16, 42);
}
bool mutate_default_i16(int16_t _default_i16) {
return SetField<int16_t>(VT_DEFAULT_I16, _default_i16, 42);
}
uint16_t just_u16() const {
return GetField<uint16_t>(VT_JUST_U16, 0);
}
bool mutate_just_u16(uint16_t _just_u16) {
return SetField<uint16_t>(VT_JUST_U16, _just_u16, 0);
}
flatbuffers::Optional<uint16_t> maybe_u16() const {
return GetOptional<uint16_t, uint16_t>(VT_MAYBE_U16);
}
bool mutate_maybe_u16(uint16_t _maybe_u16) {
return SetField<uint16_t>(VT_MAYBE_U16, _maybe_u16);
}
uint16_t default_u16() const {
return GetField<uint16_t>(VT_DEFAULT_U16, 42);
}
bool mutate_default_u16(uint16_t _default_u16) {
return SetField<uint16_t>(VT_DEFAULT_U16, _default_u16, 42);
}
int32_t just_i32() const {
return GetField<int32_t>(VT_JUST_I32, 0);
}
bool mutate_just_i32(int32_t _just_i32) {
return SetField<int32_t>(VT_JUST_I32, _just_i32, 0);
}
flatbuffers::Optional<int32_t> maybe_i32() const {
return GetOptional<int32_t, int32_t>(VT_MAYBE_I32);
}
bool mutate_maybe_i32(int32_t _maybe_i32) {
return SetField<int32_t>(VT_MAYBE_I32, _maybe_i32);
}
int32_t default_i32() const {
return GetField<int32_t>(VT_DEFAULT_I32, 42);
}
bool mutate_default_i32(int32_t _default_i32) {
return SetField<int32_t>(VT_DEFAULT_I32, _default_i32, 42);
}
uint32_t just_u32() const {
return GetField<uint32_t>(VT_JUST_U32, 0);
}
bool mutate_just_u32(uint32_t _just_u32) {
return SetField<uint32_t>(VT_JUST_U32, _just_u32, 0);
}
flatbuffers::Optional<uint32_t> maybe_u32() const {
return GetOptional<uint32_t, uint32_t>(VT_MAYBE_U32);
}
bool mutate_maybe_u32(uint32_t _maybe_u32) {
return SetField<uint32_t>(VT_MAYBE_U32, _maybe_u32);
}
uint32_t default_u32() const {
return GetField<uint32_t>(VT_DEFAULT_U32, 42);
}
bool mutate_default_u32(uint32_t _default_u32) {
return SetField<uint32_t>(VT_DEFAULT_U32, _default_u32, 42);
}
int64_t just_i64() const {
return GetField<int64_t>(VT_JUST_I64, 0);
}
bool mutate_just_i64(int64_t _just_i64) {
return SetField<int64_t>(VT_JUST_I64, _just_i64, 0);
}
flatbuffers::Optional<int64_t> maybe_i64() const {
return GetOptional<int64_t, int64_t>(VT_MAYBE_I64);
}
bool mutate_maybe_i64(int64_t _maybe_i64) {
return SetField<int64_t>(VT_MAYBE_I64, _maybe_i64);
}
int64_t default_i64() const {
return GetField<int64_t>(VT_DEFAULT_I64, 42LL);
}
bool mutate_default_i64(int64_t _default_i64) {
return SetField<int64_t>(VT_DEFAULT_I64, _default_i64, 42LL);
}
uint64_t just_u64() const {
return GetField<uint64_t>(VT_JUST_U64, 0);
}
bool mutate_just_u64(uint64_t _just_u64) {
return SetField<uint64_t>(VT_JUST_U64, _just_u64, 0);
}
flatbuffers::Optional<uint64_t> maybe_u64() const {
return GetOptional<uint64_t, uint64_t>(VT_MAYBE_U64);
}
bool mutate_maybe_u64(uint64_t _maybe_u64) {
return SetField<uint64_t>(VT_MAYBE_U64, _maybe_u64);
}
uint64_t default_u64() const {
return GetField<uint64_t>(VT_DEFAULT_U64, 42ULL);
}
bool mutate_default_u64(uint64_t _default_u64) {
return SetField<uint64_t>(VT_DEFAULT_U64, _default_u64, 42ULL);
}
float just_f32() const {
return GetField<float>(VT_JUST_F32, 0.0f);
}
bool mutate_just_f32(float _just_f32) {
return SetField<float>(VT_JUST_F32, _just_f32, 0.0f);
}
flatbuffers::Optional<float> maybe_f32() const {
return GetOptional<float, float>(VT_MAYBE_F32);
}
bool mutate_maybe_f32(float _maybe_f32) {
return SetField<float>(VT_MAYBE_F32, _maybe_f32);
}
float default_f32() const {
return GetField<float>(VT_DEFAULT_F32, 42.0f);
}
bool mutate_default_f32(float _default_f32) {
return SetField<float>(VT_DEFAULT_F32, _default_f32, 42.0f);
}
double just_f64() const {
return GetField<double>(VT_JUST_F64, 0.0);
}
bool mutate_just_f64(double _just_f64) {
return SetField<double>(VT_JUST_F64, _just_f64, 0.0);
}
flatbuffers::Optional<double> maybe_f64() const {
return GetOptional<double, double>(VT_MAYBE_F64);
}
bool mutate_maybe_f64(double _maybe_f64) {
return SetField<double>(VT_MAYBE_F64, _maybe_f64);
}
double default_f64() const {
return GetField<double>(VT_DEFAULT_F64, 42.0);
}
bool mutate_default_f64(double _default_f64) {
return SetField<double>(VT_DEFAULT_F64, _default_f64, 42.0);
}
bool just_bool() const {
return GetField<uint8_t>(VT_JUST_BOOL, 0) != 0;
}
bool mutate_just_bool(bool _just_bool) {
return SetField<uint8_t>(VT_JUST_BOOL, static_cast<uint8_t>(_just_bool), 0);
}
flatbuffers::Optional<bool> maybe_bool() const {
return GetOptional<uint8_t, bool>(VT_MAYBE_BOOL);
}
bool mutate_maybe_bool(bool _maybe_bool) {
return SetField<uint8_t>(VT_MAYBE_BOOL, static_cast<uint8_t>(_maybe_bool));
}
bool default_bool() const {
return GetField<uint8_t>(VT_DEFAULT_BOOL, 1) != 0;
}
bool mutate_default_bool(bool _default_bool) {
return SetField<uint8_t>(VT_DEFAULT_BOOL, static_cast<uint8_t>(_default_bool), 1);
}
optional_scalars::OptionalByte just_enum() const {
return static_cast<optional_scalars::OptionalByte>(GetField<int8_t>(VT_JUST_ENUM, 0));
}
bool mutate_just_enum(optional_scalars::OptionalByte _just_enum) {
return SetField<int8_t>(VT_JUST_ENUM, static_cast<int8_t>(_just_enum), 0);
}
optional_scalars::OptionalByte default_enum() const {
return static_cast<optional_scalars::OptionalByte>(GetField<int8_t>(VT_DEFAULT_ENUM, 1));
}
bool mutate_default_enum(optional_scalars::OptionalByte _default_enum) {
return SetField<int8_t>(VT_DEFAULT_ENUM, static_cast<int8_t>(_default_enum), 1);
}
bool Verify(flatbuffers::Verifier &verifier) const {
return VerifyTableStart(verifier) &&
VerifyField<int8_t>(verifier, VT_JUST_I8) &&
VerifyField<int8_t>(verifier, VT_MAYBE_I8) &&
VerifyField<int8_t>(verifier, VT_DEFAULT_I8) &&
VerifyField<uint8_t>(verifier, VT_JUST_U8) &&
VerifyField<uint8_t>(verifier, VT_MAYBE_U8) &&
VerifyField<uint8_t>(verifier, VT_DEFAULT_U8) &&
VerifyField<int16_t>(verifier, VT_JUST_I16) &&
VerifyField<int16_t>(verifier, VT_MAYBE_I16) &&
VerifyField<int16_t>(verifier, VT_DEFAULT_I16) &&
VerifyField<uint16_t>(verifier, VT_JUST_U16) &&
VerifyField<uint16_t>(verifier, VT_MAYBE_U16) &&
VerifyField<uint16_t>(verifier, VT_DEFAULT_U16) &&
VerifyField<int32_t>(verifier, VT_JUST_I32) &&
VerifyField<int32_t>(verifier, VT_MAYBE_I32) &&
VerifyField<int32_t>(verifier, VT_DEFAULT_I32) &&
VerifyField<uint32_t>(verifier, VT_JUST_U32) &&
VerifyField<uint32_t>(verifier, VT_MAYBE_U32) &&
VerifyField<uint32_t>(verifier, VT_DEFAULT_U32) &&
VerifyField<int64_t>(verifier, VT_JUST_I64) &&
VerifyField<int64_t>(verifier, VT_MAYBE_I64) &&
VerifyField<int64_t>(verifier, VT_DEFAULT_I64) &&
VerifyField<uint64_t>(verifier, VT_JUST_U64) &&
VerifyField<uint64_t>(verifier, VT_MAYBE_U64) &&
VerifyField<uint64_t>(verifier, VT_DEFAULT_U64) &&
VerifyField<float>(verifier, VT_JUST_F32) &&
VerifyField<float>(verifier, VT_MAYBE_F32) &&
VerifyField<float>(verifier, VT_DEFAULT_F32) &&
VerifyField<double>(verifier, VT_JUST_F64) &&
VerifyField<double>(verifier, VT_MAYBE_F64) &&
VerifyField<double>(verifier, VT_DEFAULT_F64) &&
VerifyField<uint8_t>(verifier, VT_JUST_BOOL) &&
VerifyField<uint8_t>(verifier, VT_MAYBE_BOOL) &&
VerifyField<uint8_t>(verifier, VT_DEFAULT_BOOL) &&
VerifyField<int8_t>(verifier, VT_JUST_ENUM) &&
VerifyField<int8_t>(verifier, VT_DEFAULT_ENUM) &&
verifier.EndTable();
}
ScalarStuffT *UnPack(const flatbuffers::resolver_function_t *_resolver = nullptr) const;
void UnPackTo(ScalarStuffT *_o, const flatbuffers::resolver_function_t *_resolver = nullptr) const;
static flatbuffers::Offset<ScalarStuff> Pack(flatbuffers::FlatBufferBuilder &_fbb, const ScalarStuffT* _o, const flatbuffers::rehasher_function_t *_rehasher = nullptr);
};
struct ScalarStuffBuilder {
typedef ScalarStuff Table;
flatbuffers::FlatBufferBuilder &fbb_;
flatbuffers::uoffset_t start_;
void add_just_i8(int8_t just_i8) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_JUST_I8, just_i8, 0);
}
void add_maybe_i8(int8_t maybe_i8) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_MAYBE_I8, maybe_i8);
}
void add_default_i8(int8_t default_i8) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_DEFAULT_I8, default_i8, 42);
}
void add_just_u8(uint8_t just_u8) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_JUST_U8, just_u8, 0);
}
void add_maybe_u8(uint8_t maybe_u8) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_MAYBE_U8, maybe_u8);
}
void add_default_u8(uint8_t default_u8) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_DEFAULT_U8, default_u8, 42);
}
void add_just_i16(int16_t just_i16) {
fbb_.AddElement<int16_t>(ScalarStuff::VT_JUST_I16, just_i16, 0);
}
void add_maybe_i16(int16_t maybe_i16) {
fbb_.AddElement<int16_t>(ScalarStuff::VT_MAYBE_I16, maybe_i16);
}
void add_default_i16(int16_t default_i16) {
fbb_.AddElement<int16_t>(ScalarStuff::VT_DEFAULT_I16, default_i16, 42);
}
void add_just_u16(uint16_t just_u16) {
fbb_.AddElement<uint16_t>(ScalarStuff::VT_JUST_U16, just_u16, 0);
}
void add_maybe_u16(uint16_t maybe_u16) {
fbb_.AddElement<uint16_t>(ScalarStuff::VT_MAYBE_U16, maybe_u16);
}
void add_default_u16(uint16_t default_u16) {
fbb_.AddElement<uint16_t>(ScalarStuff::VT_DEFAULT_U16, default_u16, 42);
}
void add_just_i32(int32_t just_i32) {
fbb_.AddElement<int32_t>(ScalarStuff::VT_JUST_I32, just_i32, 0);
}
void add_maybe_i32(int32_t maybe_i32) {
fbb_.AddElement<int32_t>(ScalarStuff::VT_MAYBE_I32, maybe_i32);
}
void add_default_i32(int32_t default_i32) {
fbb_.AddElement<int32_t>(ScalarStuff::VT_DEFAULT_I32, default_i32, 42);
}
void add_just_u32(uint32_t just_u32) {
fbb_.AddElement<uint32_t>(ScalarStuff::VT_JUST_U32, just_u32, 0);
}
void add_maybe_u32(uint32_t maybe_u32) {
fbb_.AddElement<uint32_t>(ScalarStuff::VT_MAYBE_U32, maybe_u32);
}
void add_default_u32(uint32_t default_u32) {
fbb_.AddElement<uint32_t>(ScalarStuff::VT_DEFAULT_U32, default_u32, 42);
}
void add_just_i64(int64_t just_i64) {
fbb_.AddElement<int64_t>(ScalarStuff::VT_JUST_I64, just_i64, 0);
}
void add_maybe_i64(int64_t maybe_i64) {
fbb_.AddElement<int64_t>(ScalarStuff::VT_MAYBE_I64, maybe_i64);
}
void add_default_i64(int64_t default_i64) {
fbb_.AddElement<int64_t>(ScalarStuff::VT_DEFAULT_I64, default_i64, 42LL);
}
void add_just_u64(uint64_t just_u64) {
fbb_.AddElement<uint64_t>(ScalarStuff::VT_JUST_U64, just_u64, 0);
}
void add_maybe_u64(uint64_t maybe_u64) {
fbb_.AddElement<uint64_t>(ScalarStuff::VT_MAYBE_U64, maybe_u64);
}
void add_default_u64(uint64_t default_u64) {
fbb_.AddElement<uint64_t>(ScalarStuff::VT_DEFAULT_U64, default_u64, 42ULL);
}
void add_just_f32(float just_f32) {
fbb_.AddElement<float>(ScalarStuff::VT_JUST_F32, just_f32, 0.0f);
}
void add_maybe_f32(float maybe_f32) {
fbb_.AddElement<float>(ScalarStuff::VT_MAYBE_F32, maybe_f32);
}
void add_default_f32(float default_f32) {
fbb_.AddElement<float>(ScalarStuff::VT_DEFAULT_F32, default_f32, 42.0f);
}
void add_just_f64(double just_f64) {
fbb_.AddElement<double>(ScalarStuff::VT_JUST_F64, just_f64, 0.0);
}
void add_maybe_f64(double maybe_f64) {
fbb_.AddElement<double>(ScalarStuff::VT_MAYBE_F64, maybe_f64);
}
void add_default_f64(double default_f64) {
fbb_.AddElement<double>(ScalarStuff::VT_DEFAULT_F64, default_f64, 42.0);
}
void add_just_bool(bool just_bool) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_JUST_BOOL, static_cast<uint8_t>(just_bool), 0);
}
void add_maybe_bool(bool maybe_bool) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_MAYBE_BOOL, static_cast<uint8_t>(maybe_bool));
}
void add_default_bool(bool default_bool) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_DEFAULT_BOOL, static_cast<uint8_t>(default_bool), 1);
}
void add_just_enum(optional_scalars::OptionalByte just_enum) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_JUST_ENUM, static_cast<int8_t>(just_enum), 0);
}
void add_default_enum(optional_scalars::OptionalByte default_enum) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_DEFAULT_ENUM, static_cast<int8_t>(default_enum), 1);
}
explicit ScalarStuffBuilder(flatbuffers::FlatBufferBuilder &_fbb)
: fbb_(_fbb) {
start_ = fbb_.StartTable();
}
flatbuffers::Offset<ScalarStuff> Finish() {
const auto end = fbb_.EndTable(start_);
auto o = flatbuffers::Offset<ScalarStuff>(end);
return o;
}
};
inline flatbuffers::Offset<ScalarStuff> CreateScalarStuff(
flatbuffers::FlatBufferBuilder &_fbb,
int8_t just_i8 = 0,
flatbuffers::Optional<int8_t>maybe_i8 = flatbuffers::nullopt,
int8_t default_i8 = 42,
uint8_t just_u8 = 0,
flatbuffers::Optional<uint8_t>maybe_u8 = flatbuffers::nullopt,
uint8_t default_u8 = 42,
int16_t just_i16 = 0,
flatbuffers::Optional<int16_t>maybe_i16 = flatbuffers::nullopt,
int16_t default_i16 = 42,
uint16_t just_u16 = 0,
flatbuffers::Optional<uint16_t>maybe_u16 = flatbuffers::nullopt,
uint16_t default_u16 = 42,
int32_t just_i32 = 0,
flatbuffers::Optional<int32_t>maybe_i32 = flatbuffers::nullopt,
int32_t default_i32 = 42,
uint32_t just_u32 = 0,
flatbuffers::Optional<uint32_t>maybe_u32 = flatbuffers::nullopt,
uint32_t default_u32 = 42,
int64_t just_i64 = 0,
flatbuffers::Optional<int64_t>maybe_i64 = flatbuffers::nullopt,
int64_t default_i64 = 42LL,
uint64_t just_u64 = 0,
flatbuffers::Optional<uint64_t>maybe_u64 = flatbuffers::nullopt,
uint64_t default_u64 = 42ULL,
float just_f32 = 0.0f,
flatbuffers::Optional<float>maybe_f32 = flatbuffers::nullopt,
float default_f32 = 42.0f,
double just_f64 = 0.0,
flatbuffers::Optional<double>maybe_f64 = flatbuffers::nullopt,
double default_f64 = 42.0,
bool just_bool = false,
flatbuffers::Optional<bool>maybe_bool = flatbuffers::nullopt,
bool default_bool = true,
optional_scalars::OptionalByte just_enum = optional_scalars::OptionalByte::None,
optional_scalars::OptionalByte default_enum = optional_scalars::OptionalByte::One) {
ScalarStuffBuilder builder_(_fbb);
builder_.add_default_f64(default_f64);
if(maybe_f64) { builder_.add_maybe_f64(*maybe_f64); }
builder_.add_just_f64(just_f64);
builder_.add_default_u64(default_u64);
if(maybe_u64) { builder_.add_maybe_u64(*maybe_u64); }
builder_.add_just_u64(just_u64);
builder_.add_default_i64(default_i64);
if(maybe_i64) { builder_.add_maybe_i64(*maybe_i64); }
builder_.add_just_i64(just_i64);
builder_.add_default_f32(default_f32);
if(maybe_f32) { builder_.add_maybe_f32(*maybe_f32); }
builder_.add_just_f32(just_f32);
builder_.add_default_u32(default_u32);
if(maybe_u32) { builder_.add_maybe_u32(*maybe_u32); }
builder_.add_just_u32(just_u32);
builder_.add_default_i32(default_i32);
if(maybe_i32) { builder_.add_maybe_i32(*maybe_i32); }
builder_.add_just_i32(just_i32);
builder_.add_default_u16(default_u16);
if(maybe_u16) { builder_.add_maybe_u16(*maybe_u16); }
builder_.add_just_u16(just_u16);
builder_.add_default_i16(default_i16);
if(maybe_i16) { builder_.add_maybe_i16(*maybe_i16); }
builder_.add_just_i16(just_i16);
builder_.add_default_enum(default_enum);
builder_.add_just_enum(just_enum);
builder_.add_default_bool(default_bool);
if(maybe_bool) { builder_.add_maybe_bool(*maybe_bool); }
builder_.add_just_bool(just_bool);
builder_.add_default_u8(default_u8);
if(maybe_u8) { builder_.add_maybe_u8(*maybe_u8); }
builder_.add_just_u8(just_u8);
builder_.add_default_i8(default_i8);
if(maybe_i8) { builder_.add_maybe_i8(*maybe_i8); }
builder_.add_just_i8(just_i8);
return builder_.Finish();
}
struct ScalarStuff::Traits {
using type = ScalarStuff;
static auto constexpr Create = CreateScalarStuff;
};
flatbuffers::Offset<ScalarStuff> CreateScalarStuff(flatbuffers::FlatBufferBuilder &_fbb, const ScalarStuffT *_o, const flatbuffers::rehasher_function_t *_rehasher = nullptr);
inline ScalarStuffT *ScalarStuff::UnPack(const flatbuffers::resolver_function_t *_resolver) const {
auto _o = std::make_unique<ScalarStuffT>();
UnPackTo(_o.get(), _resolver);
return _o.release();
}
inline void ScalarStuff::UnPackTo(ScalarStuffT *_o, const flatbuffers::resolver_function_t *_resolver) const {
(void)_o;
(void)_resolver;
{ auto _e = just_i8(); _o->just_i8 = _e; }
{ auto _e = maybe_i8(); _o->maybe_i8 = _e; }
{ auto _e = default_i8(); _o->default_i8 = _e; }
{ auto _e = just_u8(); _o->just_u8 = _e; }
{ auto _e = maybe_u8(); _o->maybe_u8 = _e; }
{ auto _e = default_u8(); _o->default_u8 = _e; }
{ auto _e = just_i16(); _o->just_i16 = _e; }
{ auto _e = maybe_i16(); _o->maybe_i16 = _e; }
{ auto _e = default_i16(); _o->default_i16 = _e; }
{ auto _e = just_u16(); _o->just_u16 = _e; }
{ auto _e = maybe_u16(); _o->maybe_u16 = _e; }
{ auto _e = default_u16(); _o->default_u16 = _e; }
{ auto _e = just_i32(); _o->just_i32 = _e; }
{ auto _e = maybe_i32(); _o->maybe_i32 = _e; }
{ auto _e = default_i32(); _o->default_i32 = _e; }
{ auto _e = just_u32(); _o->just_u32 = _e; }
{ auto _e = maybe_u32(); _o->maybe_u32 = _e; }
{ auto _e = default_u32(); _o->default_u32 = _e; }
{ auto _e = just_i64(); _o->just_i64 = _e; }
{ auto _e = maybe_i64(); _o->maybe_i64 = _e; }
{ auto _e = default_i64(); _o->default_i64 = _e; }
{ auto _e = just_u64(); _o->just_u64 = _e; }
{ auto _e = maybe_u64(); _o->maybe_u64 = _e; }
{ auto _e = default_u64(); _o->default_u64 = _e; }
{ auto _e = just_f32(); _o->just_f32 = _e; }
{ auto _e = maybe_f32(); _o->maybe_f32 = _e; }
{ auto _e = default_f32(); _o->default_f32 = _e; }
{ auto _e = just_f64(); _o->just_f64 = _e; }
{ auto _e = maybe_f64(); _o->maybe_f64 = _e; }
{ auto _e = default_f64(); _o->default_f64 = _e; }
{ auto _e = just_bool(); _o->just_bool = _e; }
{ auto _e = maybe_bool(); _o->maybe_bool = _e; }
{ auto _e = default_bool(); _o->default_bool = _e; }
{ auto _e = just_enum(); _o->just_enum = _e; }
{ auto _e = default_enum(); _o->default_enum = _e; }
}
inline flatbuffers::Offset<ScalarStuff> ScalarStuff::Pack(flatbuffers::FlatBufferBuilder &_fbb, const ScalarStuffT* _o, const flatbuffers::rehasher_function_t *_rehasher) {
return CreateScalarStuff(_fbb, _o, _rehasher);
}
inline flatbuffers::Offset<ScalarStuff> CreateScalarStuff(flatbuffers::FlatBufferBuilder &_fbb, const ScalarStuffT *_o, const flatbuffers::rehasher_function_t *_rehasher) {
(void)_rehasher;
(void)_o;
struct _VectorArgs { flatbuffers::FlatBufferBuilder *__fbb; const ScalarStuffT* __o; const flatbuffers::rehasher_function_t *__rehasher; } _va = { &_fbb, _o, _rehasher}; (void)_va;
auto _just_i8 = _o->just_i8;
auto _maybe_i8 = _o->maybe_i8;
auto _default_i8 = _o->default_i8;
auto _just_u8 = _o->just_u8;
auto _maybe_u8 = _o->maybe_u8;
auto _default_u8 = _o->default_u8;
auto _just_i16 = _o->just_i16;
auto _maybe_i16 = _o->maybe_i16;
auto _default_i16 = _o->default_i16;
auto _just_u16 = _o->just_u16;
auto _maybe_u16 = _o->maybe_u16;
auto _default_u16 = _o->default_u16;
auto _just_i32 = _o->just_i32;
auto _maybe_i32 = _o->maybe_i32;
auto _default_i32 = _o->default_i32;
auto _just_u32 = _o->just_u32;
auto _maybe_u32 = _o->maybe_u32;
auto _default_u32 = _o->default_u32;
auto _just_i64 = _o->just_i64;
auto _maybe_i64 = _o->maybe_i64;
auto _default_i64 = _o->default_i64;
auto _just_u64 = _o->just_u64;
auto _maybe_u64 = _o->maybe_u64;
auto _default_u64 = _o->default_u64;
auto _just_f32 = _o->just_f32;
auto _maybe_f32 = _o->maybe_f32;
auto _default_f32 = _o->default_f32;
auto _just_f64 = _o->just_f64;
auto _maybe_f64 = _o->maybe_f64;
auto _default_f64 = _o->default_f64;
auto _just_bool = _o->just_bool;
auto _maybe_bool = _o->maybe_bool;
auto _default_bool = _o->default_bool;
auto _just_enum = _o->just_enum;
auto _default_enum = _o->default_enum;
return optional_scalars::CreateScalarStuff(
_fbb,
_just_i8,
_maybe_i8,
_default_i8,
_just_u8,
_maybe_u8,
_default_u8,
_just_i16,
_maybe_i16,
_default_i16,
_just_u16,
_maybe_u16,
_default_u16,
_just_i32,
_maybe_i32,
_default_i32,
_just_u32,
_maybe_u32,
_default_u32,
_just_i64,
_maybe_i64,
_default_i64,
_just_u64,
_maybe_u64,
_default_u64,
_just_f32,
_maybe_f32,
_default_f32,
_just_f64,
_maybe_f64,
_default_f64,
_just_bool,
_maybe_bool,
_default_bool,
_just_enum,
_default_enum);
}
inline const flatbuffers::TypeTable *OptionalByteTypeTable() {
static const flatbuffers::TypeCode type_codes[] = {
{ flatbuffers::ET_CHAR, 0, 0 },
{ flatbuffers::ET_CHAR, 0, 0 }
};
static const flatbuffers::TypeFunction type_refs[] = {
optional_scalars::OptionalByteTypeTable
};
static const char * const names[] = {
"None",
"One"
};
static const flatbuffers::TypeTable tt = {
flatbuffers::ST_ENUM, 2, type_codes, type_refs, nullptr, names
};
return &tt;
}
inline const flatbuffers::TypeTable *ScalarStuffTypeTable() {
static const flatbuffers::TypeCode type_codes[] = {
{ flatbuffers::ET_CHAR, 0, -1 },
{ flatbuffers::ET_CHAR, 0, -1 },
{ flatbuffers::ET_CHAR, 0, -1 },
{ flatbuffers::ET_UCHAR, 0, -1 },
{ flatbuffers::ET_UCHAR, 0, -1 },
{ flatbuffers::ET_UCHAR, 0, -1 },
{ flatbuffers::ET_SHORT, 0, -1 },
{ flatbuffers::ET_SHORT, 0, -1 },
{ flatbuffers::ET_SHORT, 0, -1 },
{ flatbuffers::ET_USHORT, 0, -1 },
{ flatbuffers::ET_USHORT, 0, -1 },
{ flatbuffers::ET_USHORT, 0, -1 },
{ flatbuffers::ET_INT, 0, -1 },
{ flatbuffers::ET_INT, 0, -1 },
{ flatbuffers::ET_INT, 0, -1 },
{ flatbuffers::ET_UINT, 0, -1 },
{ flatbuffers::ET_UINT, 0, -1 },
{ flatbuffers::ET_UINT, 0, -1 },
{ flatbuffers::ET_LONG, 0, -1 },
{ flatbuffers::ET_LONG, 0, -1 },
{ flatbuffers::ET_LONG, 0, -1 },
{ flatbuffers::ET_ULONG, 0, -1 },
{ flatbuffers::ET_ULONG, 0, -1 },
{ flatbuffers::ET_ULONG, 0, -1 },
{ flatbuffers::ET_FLOAT, 0, -1 },
{ flatbuffers::ET_FLOAT, 0, -1 },
{ flatbuffers::ET_FLOAT, 0, -1 },
{ flatbuffers::ET_DOUBLE, 0, -1 },
{ flatbuffers::ET_DOUBLE, 0, -1 },
{ flatbuffers::ET_DOUBLE, 0, -1 },
{ flatbuffers::ET_BOOL, 0, -1 },
{ flatbuffers::ET_BOOL, 0, -1 },
{ flatbuffers::ET_BOOL, 0, -1 },
{ flatbuffers::ET_CHAR, 0, 0 },
{ flatbuffers::ET_CHAR, 0, 0 }
};
static const flatbuffers::TypeFunction type_refs[] = {
optional_scalars::OptionalByteTypeTable
};
static const char * const names[] = {
"just_i8",
"maybe_i8",
"default_i8",
"just_u8",
"maybe_u8",
"default_u8",
"just_i16",
"maybe_i16",
"default_i16",
"just_u16",
"maybe_u16",
"default_u16",
"just_i32",
"maybe_i32",
"default_i32",
"just_u32",
"maybe_u32",
"default_u32",
"just_i64",
"maybe_i64",
"default_i64",
"just_u64",
"maybe_u64",
"default_u64",
"just_f32",
"maybe_f32",
"default_f32",
"just_f64",
"maybe_f64",
"default_f64",
"just_bool",
"maybe_bool",
"default_bool",
"just_enum",
"default_enum"
};
static const flatbuffers::TypeTable tt = {
flatbuffers::ST_TABLE, 35, type_codes, type_refs, nullptr, names
};
return &tt;
}
inline const optional_scalars::ScalarStuff *GetScalarStuff(const void *buf) {
return flatbuffers::GetRoot<optional_scalars::ScalarStuff>(buf);
}
inline const optional_scalars::ScalarStuff *GetSizePrefixedScalarStuff(const void *buf) {
return flatbuffers::GetSizePrefixedRoot<optional_scalars::ScalarStuff>(buf);
}
inline ScalarStuff *GetMutableScalarStuff(void *buf) {
return flatbuffers::GetMutableRoot<ScalarStuff>(buf);
}
inline const char *ScalarStuffIdentifier() {
return "NULL";
}
inline bool ScalarStuffBufferHasIdentifier(const void *buf) {
return flatbuffers::BufferHasIdentifier(
buf, ScalarStuffIdentifier());
}
inline bool VerifyScalarStuffBuffer(
flatbuffers::Verifier &verifier) {
return verifier.VerifyBuffer<optional_scalars::ScalarStuff>(ScalarStuffIdentifier());
}
inline bool VerifySizePrefixedScalarStuffBuffer(
flatbuffers::Verifier &verifier) {
return verifier.VerifySizePrefixedBuffer<optional_scalars::ScalarStuff>(ScalarStuffIdentifier());
}
inline const char *ScalarStuffExtension() {
return "mon";
}
inline void FinishScalarStuffBuffer(
flatbuffers::FlatBufferBuilder &fbb,
flatbuffers::Offset<optional_scalars::ScalarStuff> root) {
fbb.Finish(root, ScalarStuffIdentifier());
}
inline void FinishSizePrefixedScalarStuffBuffer(
flatbuffers::FlatBufferBuilder &fbb,
flatbuffers::Offset<optional_scalars::ScalarStuff> root) {
fbb.FinishSizePrefixed(root, ScalarStuffIdentifier());
}
inline std::unique_ptr<optional_scalars::ScalarStuffT> UnPackScalarStuff(
const void *buf,
const flatbuffers::resolver_function_t *res = nullptr) {
return std::unique_ptr<optional_scalars::ScalarStuffT>(GetScalarStuff(buf)->UnPack(res));
}
inline std::unique_ptr<optional_scalars::ScalarStuffT> UnPackSizePrefixedScalarStuff(
const void *buf,
const flatbuffers::resolver_function_t *res = nullptr) {
return std::unique_ptr<optional_scalars::ScalarStuffT>(GetSizePrefixedScalarStuff(buf)->UnPack(res));
}
} // namespace optional_scalars
#endif // FLATBUFFERS_GENERATED_OPTIONALSCALARS_OPTIONAL_SCALARS_H_

44
tests/cpp17/test_cpp17.cpp
View File

@@ -30,10 +30,12 @@
// Embed generated code into an isolated namespace.
namespace cpp17 {
#include "generated_cpp17/monster_test_generated.h"
#include "generated_cpp17/optional_scalars_generated.h"
} // namespace cpp17
namespace cpp11 {
#include "../monster_test_generated.h"
#include "../optional_scalars_generated.h"
} // namespace cpp11
void CreateTableByTypeTest() {
@@ -59,8 +61,50 @@ void CreateTableByTypeTest() {
TEST_EQ(stat->count(), 7);
}
void OptionalScalarsTest() {
static_assert(std::is_same<flatbuffers::Optional<float>, std::optional<float>>::value);
static_assert(std::is_same<flatbuffers::nullopt_t, std::nullopt_t>::value);
// test C++ nullable
flatbuffers::FlatBufferBuilder fbb;
FinishScalarStuffBuffer(fbb, cpp17::optional_scalars::CreateScalarStuff(
fbb, 1, static_cast<int8_t>(2)));
auto opts =
cpp17::optional_scalars::GetMutableScalarStuff(fbb.GetBufferPointer());
TEST_ASSERT(!opts->maybe_bool());
TEST_ASSERT(!opts->maybe_f32().has_value());
TEST_ASSERT(opts->maybe_i8().has_value());
TEST_EQ(opts->maybe_i8().value(), 2);
TEST_ASSERT(opts->mutate_maybe_i8(3));
TEST_ASSERT(opts->maybe_i8().has_value());
TEST_EQ(opts->maybe_i8().value(), 3);
TEST_ASSERT(!opts->mutate_maybe_i16(-10));
cpp17::optional_scalars::ScalarStuffT obj;
opts->UnPackTo(&obj);
TEST_ASSERT(!obj.maybe_bool);
TEST_ASSERT(!obj.maybe_f32.has_value());
TEST_ASSERT(obj.maybe_i8.has_value() && obj.maybe_i8.value() == 3);
TEST_ASSERT(obj.maybe_i8 && *obj.maybe_i8 == 3);
obj.maybe_i32 = -1;
fbb.Clear();
FinishScalarStuffBuffer(
fbb, cpp17::optional_scalars::ScalarStuff::Pack(fbb, &obj));
opts = cpp17::optional_scalars::GetMutableScalarStuff(fbb.GetBufferPointer());
TEST_ASSERT(opts->maybe_i8().has_value());
TEST_EQ(opts->maybe_i8().value(), 3);
TEST_ASSERT(opts->maybe_i32().has_value());
TEST_EQ(opts->maybe_i32().value(), -1);
TEST_EQ(std::optional<int32_t>(opts->maybe_i32()).value(), -1);
TEST_EQ(std::optional<int64_t>(opts->maybe_i32()).value(), -1);
TEST_ASSERT(opts->maybe_i32() == std::optional<int64_t>(-1));
}
int FlatBufferCpp17Tests() {
CreateTableByTypeTest();
OptionalScalarsTest();
return 0;
}

2
tests/generate_code.bat
View File

@@ -56,6 +56,7 @@ set TEST_NOINCL_FLAGS=%TEST_BASE_FLAGS% --no-includes --no-fb-import
@rem Generate the optional scalar code for tests.
..\%buildtype%\flatc.exe --rust --lobster optional_scalars.fbs || goto FAIL
..\%buildtype%\flatc.exe %TEST_NOINCL_FLAGS% %TEST_CPP_FLAGS% --cpp optional_scalars.fbs || goto FAIL
@rem Generate the schema evolution tests
..\%buildtype%\flatc.exe --cpp --scoped-enums %TEST_CPP_FLAGS% -o evolution_test ./evolution_test/evolution_v1.fbs ./evolution_test/evolution_v2.fbs || goto FAIL
@@ -72,6 +73,7 @@ set TEST_CPP17_FLAGS=--cpp --cpp-std c++17 -o ./cpp17/generated_cpp17 %TEST_NOIN
if NOT "%MONSTER_EXTRA%"=="skip" (
@rem Flag c++17 requires Clang6, GCC7, MSVC2017 (_MSC_VER >= 1914) or higher.
..\%buildtype%\flatc.exe %TEST_CPP17_FLAGS% -I include_test monster_test.fbs || goto FAIL
..\%buildtype%\flatc.exe %TEST_CPP17_FLAGS% optional_scalars.fbs || goto FAIL
@rem..\%buildtype%\flatc.exe %TEST_CPP17_FLAGS% arrays_test.fbs || goto FAIL
@rem..\%buildtype%\flatc.exe %TEST_CPP17_FLAGS% native_type_test.fbs || goto FAIL
@rem..\%buildtype%\flatc.exe %TEST_CPP17_FLAGS% monster_extra.fbs || goto FAIL

2
tests/generate_code.sh
View File

@@ -54,6 +54,7 @@ $TEST_NOINCL_FLAGS $TEST_CPP_FLAGS $TEST_CS_FLAGS $TEST_JS_TS_FLAGS -o namespace
# Generate optional scalar code for tests.
../flatc --kotlin --rust --lobster optional_scalars.fbs
../flatc $TEST_NOINCL_FLAGS $TEST_CPP_FLAGS --cpp optional_scalars.fbs
# Generate the schema evolution tests
../flatc --cpp --scoped-enums $TEST_CPP_FLAGS -o evolution_test ./evolution_test/evolution_v*.fbs
@@ -84,6 +85,7 @@ fi
# Flag c++17 requires Clang6, GCC7, MSVC2017 (_MSC_VER >= 1914) or higher.
TEST_CPP17_FLAGS="--cpp --cpp-std c++17 -o ./cpp17/generated_cpp17 $TEST_NOINCL_FLAGS"
../flatc $TEST_CPP17_FLAGS -I include_test monster_test.fbs
../flatc $TEST_CPP17_FLAGS optional_scalars.fbs
cd ../samples
../flatc --cpp --lobster $TEST_BASE_FLAGS $TEST_CPP_FLAGS monster.fbs

15
tests/optional_scalars.fbs
View File

@@ -1,5 +1,10 @@
namespace optional_scalars;
enum OptionalByte: byte {
None = 0,
One = 1,
}
// This table tests optional scalars in tables. It should be integrated with
// the main monster test once most languages support optional scalars.
table ScalarStuff {
@@ -41,4 +46,14 @@ table ScalarStuff {
just_bool: bool;
maybe_bool: bool = null;
default_bool: bool = true;
just_enum: OptionalByte;
// Rust code generator failed with optional<enum>
//maybe_enum: OptionalByte = null;
default_enum: OptionalByte = One;
}
root_type ScalarStuff;
file_identifier "NULL";
file_extension "mon";

956
tests/optional_scalars_generated.h Normal file
View File

@@ -0,0 +1,956 @@
// automatically generated by the FlatBuffers compiler, do not modify
#ifndef FLATBUFFERS_GENERATED_OPTIONALSCALARS_OPTIONAL_SCALARS_H_
#define FLATBUFFERS_GENERATED_OPTIONALSCALARS_OPTIONAL_SCALARS_H_
#include "flatbuffers/flatbuffers.h"
namespace optional_scalars {
struct ScalarStuff;
struct ScalarStuffBuilder;
struct ScalarStuffT;
bool operator==(const ScalarStuffT &lhs, const ScalarStuffT &rhs);
bool operator!=(const ScalarStuffT &lhs, const ScalarStuffT &rhs);
inline const flatbuffers::TypeTable *ScalarStuffTypeTable();
enum OptionalByte {
OptionalByte_None = 0,
OptionalByte_One = 1,
OptionalByte_MIN = OptionalByte_None,
OptionalByte_MAX = OptionalByte_One
};
inline const OptionalByte (&EnumValuesOptionalByte())[2] {
static const OptionalByte values[] = {
OptionalByte_None,
OptionalByte_One
};
return values;
}
inline const char * const *EnumNamesOptionalByte() {
static const char * const names[3] = {
"None",
"One",
nullptr
};
return names;
}
inline const char *EnumNameOptionalByte(OptionalByte e) {
if (flatbuffers::IsOutRange(e, OptionalByte_None, OptionalByte_One)) return "";
const size_t index = static_cast<size_t>(e);
return EnumNamesOptionalByte()[index];
}
struct ScalarStuffT : public flatbuffers::NativeTable {
typedef ScalarStuff TableType;
int8_t just_i8;
flatbuffers::Optional<int8_t> maybe_i8;
int8_t default_i8;
uint8_t just_u8;
flatbuffers::Optional<uint8_t> maybe_u8;
uint8_t default_u8;
int16_t just_i16;
flatbuffers::Optional<int16_t> maybe_i16;
int16_t default_i16;
uint16_t just_u16;
flatbuffers::Optional<uint16_t> maybe_u16;
uint16_t default_u16;
int32_t just_i32;
flatbuffers::Optional<int32_t> maybe_i32;
int32_t default_i32;
uint32_t just_u32;
flatbuffers::Optional<uint32_t> maybe_u32;
uint32_t default_u32;
int64_t just_i64;
flatbuffers::Optional<int64_t> maybe_i64;
int64_t default_i64;
uint64_t just_u64;
flatbuffers::Optional<uint64_t> maybe_u64;
uint64_t default_u64;
float just_f32;
flatbuffers::Optional<float> maybe_f32;
float default_f32;
double just_f64;
flatbuffers::Optional<double> maybe_f64;
double default_f64;
bool just_bool;
flatbuffers::Optional<bool> maybe_bool;
bool default_bool;
optional_scalars::OptionalByte just_enum;
optional_scalars::OptionalByte default_enum;
ScalarStuffT()
: just_i8(0),
maybe_i8(flatbuffers::nullopt),
default_i8(42),
just_u8(0),
maybe_u8(flatbuffers::nullopt),
default_u8(42),
just_i16(0),
maybe_i16(flatbuffers::nullopt),
default_i16(42),
just_u16(0),
maybe_u16(flatbuffers::nullopt),
default_u16(42),
just_i32(0),
maybe_i32(flatbuffers::nullopt),
default_i32(42),
just_u32(0),
maybe_u32(flatbuffers::nullopt),
default_u32(42),
just_i64(0),
maybe_i64(flatbuffers::nullopt),
default_i64(42LL),
just_u64(0),
maybe_u64(flatbuffers::nullopt),
default_u64(42ULL),
just_f32(0.0f),
maybe_f32(flatbuffers::nullopt),
default_f32(42.0f),
just_f64(0.0),
maybe_f64(flatbuffers::nullopt),
default_f64(42.0),
just_bool(false),
maybe_bool(true),
default_bool(true),
just_enum(optional_scalars::OptionalByte_None),
default_enum(optional_scalars::OptionalByte_One) {
}
};
inline bool operator==(const ScalarStuffT &lhs, const ScalarStuffT &rhs) {
return
(lhs.just_i8 == rhs.just_i8) &&
(lhs.maybe_i8 == rhs.maybe_i8) &&
(lhs.default_i8 == rhs.default_i8) &&
(lhs.just_u8 == rhs.just_u8) &&
(lhs.maybe_u8 == rhs.maybe_u8) &&
(lhs.default_u8 == rhs.default_u8) &&
(lhs.just_i16 == rhs.just_i16) &&
(lhs.maybe_i16 == rhs.maybe_i16) &&
(lhs.default_i16 == rhs.default_i16) &&
(lhs.just_u16 == rhs.just_u16) &&
(lhs.maybe_u16 == rhs.maybe_u16) &&
(lhs.default_u16 == rhs.default_u16) &&
(lhs.just_i32 == rhs.just_i32) &&
(lhs.maybe_i32 == rhs.maybe_i32) &&
(lhs.default_i32 == rhs.default_i32) &&
(lhs.just_u32 == rhs.just_u32) &&
(lhs.maybe_u32 == rhs.maybe_u32) &&
(lhs.default_u32 == rhs.default_u32) &&
(lhs.just_i64 == rhs.just_i64) &&
(lhs.maybe_i64 == rhs.maybe_i64) &&
(lhs.default_i64 == rhs.default_i64) &&
(lhs.just_u64 == rhs.just_u64) &&
(lhs.maybe_u64 == rhs.maybe_u64) &&
(lhs.default_u64 == rhs.default_u64) &&
(lhs.just_f32 == rhs.just_f32) &&
(lhs.maybe_f32 == rhs.maybe_f32) &&
(lhs.default_f32 == rhs.default_f32) &&
(lhs.just_f64 == rhs.just_f64) &&
(lhs.maybe_f64 == rhs.maybe_f64) &&
(lhs.default_f64 == rhs.default_f64) &&
(lhs.just_bool == rhs.just_bool) &&
(lhs.maybe_bool == rhs.maybe_bool) &&
(lhs.default_bool == rhs.default_bool) &&
(lhs.just_enum == rhs.just_enum) &&
(lhs.default_enum == rhs.default_enum);
}
inline bool operator!=(const ScalarStuffT &lhs, const ScalarStuffT &rhs) {
return !(lhs == rhs);
}
struct ScalarStuff FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
typedef ScalarStuffT NativeTableType;
typedef ScalarStuffBuilder Builder;
static const flatbuffers::TypeTable *MiniReflectTypeTable() {
return ScalarStuffTypeTable();
}
enum FlatBuffersVTableOffset FLATBUFFERS_VTABLE_UNDERLYING_TYPE {
VT_JUST_I8 = 4,
VT_MAYBE_I8 = 6,
VT_DEFAULT_I8 = 8,
VT_JUST_U8 = 10,
VT_MAYBE_U8 = 12,
VT_DEFAULT_U8 = 14,
VT_JUST_I16 = 16,
VT_MAYBE_I16 = 18,
VT_DEFAULT_I16 = 20,
VT_JUST_U16 = 22,
VT_MAYBE_U16 = 24,
VT_DEFAULT_U16 = 26,
VT_JUST_I32 = 28,
VT_MAYBE_I32 = 30,
VT_DEFAULT_I32 = 32,
VT_JUST_U32 = 34,
VT_MAYBE_U32 = 36,
VT_DEFAULT_U32 = 38,
VT_JUST_I64 = 40,
VT_MAYBE_I64 = 42,
VT_DEFAULT_I64 = 44,
VT_JUST_U64 = 46,
VT_MAYBE_U64 = 48,
VT_DEFAULT_U64 = 50,
VT_JUST_F32 = 52,
VT_MAYBE_F32 = 54,
VT_DEFAULT_F32 = 56,
VT_JUST_F64 = 58,
VT_MAYBE_F64 = 60,
VT_DEFAULT_F64 = 62,
VT_JUST_BOOL = 64,
VT_MAYBE_BOOL = 66,
VT_DEFAULT_BOOL = 68,
VT_JUST_ENUM = 70,
VT_DEFAULT_ENUM = 72
};
int8_t just_i8() const {
return GetField<int8_t>(VT_JUST_I8, 0);
}
bool mutate_just_i8(int8_t _just_i8) {
return SetField<int8_t>(VT_JUST_I8, _just_i8, 0);
}
flatbuffers::Optional<int8_t> maybe_i8() const {
return GetOptional<int8_t, int8_t>(VT_MAYBE_I8);
}
bool mutate_maybe_i8(int8_t _maybe_i8) {
return SetField<int8_t>(VT_MAYBE_I8, _maybe_i8);
}
int8_t default_i8() const {
return GetField<int8_t>(VT_DEFAULT_I8, 42);
}
bool mutate_default_i8(int8_t _default_i8) {
return SetField<int8_t>(VT_DEFAULT_I8, _default_i8, 42);
}
uint8_t just_u8() const {
return GetField<uint8_t>(VT_JUST_U8, 0);
}
bool mutate_just_u8(uint8_t _just_u8) {
return SetField<uint8_t>(VT_JUST_U8, _just_u8, 0);
}
flatbuffers::Optional<uint8_t> maybe_u8() const {
return GetOptional<uint8_t, uint8_t>(VT_MAYBE_U8);
}
bool mutate_maybe_u8(uint8_t _maybe_u8) {
return SetField<uint8_t>(VT_MAYBE_U8, _maybe_u8);
}
uint8_t default_u8() const {
return GetField<uint8_t>(VT_DEFAULT_U8, 42);
}
bool mutate_default_u8(uint8_t _default_u8) {
return SetField<uint8_t>(VT_DEFAULT_U8, _default_u8, 42);
}
int16_t just_i16() const {
return GetField<int16_t>(VT_JUST_I16, 0);
}
bool mutate_just_i16(int16_t _just_i16) {
return SetField<int16_t>(VT_JUST_I16, _just_i16, 0);
}
flatbuffers::Optional<int16_t> maybe_i16() const {
return GetOptional<int16_t, int16_t>(VT_MAYBE_I16);
}
bool mutate_maybe_i16(int16_t _maybe_i16) {
return SetField<int16_t>(VT_MAYBE_I16, _maybe_i16);
}
int16_t default_i16() const {
return GetField<int16_t>(VT_DEFAULT_I16, 42);
}
bool mutate_default_i16(int16_t _default_i16) {
return SetField<int16_t>(VT_DEFAULT_I16, _default_i16, 42);
}
uint16_t just_u16() const {
return GetField<uint16_t>(VT_JUST_U16, 0);
}
bool mutate_just_u16(uint16_t _just_u16) {
return SetField<uint16_t>(VT_JUST_U16, _just_u16, 0);
}
flatbuffers::Optional<uint16_t> maybe_u16() const {
return GetOptional<uint16_t, uint16_t>(VT_MAYBE_U16);
}
bool mutate_maybe_u16(uint16_t _maybe_u16) {
return SetField<uint16_t>(VT_MAYBE_U16, _maybe_u16);
}
uint16_t default_u16() const {
return GetField<uint16_t>(VT_DEFAULT_U16, 42);
}
bool mutate_default_u16(uint16_t _default_u16) {
return SetField<uint16_t>(VT_DEFAULT_U16, _default_u16, 42);
}
int32_t just_i32() const {
return GetField<int32_t>(VT_JUST_I32, 0);
}
bool mutate_just_i32(int32_t _just_i32) {
return SetField<int32_t>(VT_JUST_I32, _just_i32, 0);
}
flatbuffers::Optional<int32_t> maybe_i32() const {
return GetOptional<int32_t, int32_t>(VT_MAYBE_I32);
}
bool mutate_maybe_i32(int32_t _maybe_i32) {
return SetField<int32_t>(VT_MAYBE_I32, _maybe_i32);
}
int32_t default_i32() const {
return GetField<int32_t>(VT_DEFAULT_I32, 42);
}
bool mutate_default_i32(int32_t _default_i32) {
return SetField<int32_t>(VT_DEFAULT_I32, _default_i32, 42);
}
uint32_t just_u32() const {
return GetField<uint32_t>(VT_JUST_U32, 0);
}
bool mutate_just_u32(uint32_t _just_u32) {
return SetField<uint32_t>(VT_JUST_U32, _just_u32, 0);
}
flatbuffers::Optional<uint32_t> maybe_u32() const {
return GetOptional<uint32_t, uint32_t>(VT_MAYBE_U32);
}
bool mutate_maybe_u32(uint32_t _maybe_u32) {
return SetField<uint32_t>(VT_MAYBE_U32, _maybe_u32);
}
uint32_t default_u32() const {
return GetField<uint32_t>(VT_DEFAULT_U32, 42);
}
bool mutate_default_u32(uint32_t _default_u32) {
return SetField<uint32_t>(VT_DEFAULT_U32, _default_u32, 42);
}
int64_t just_i64() const {
return GetField<int64_t>(VT_JUST_I64, 0);
}
bool mutate_just_i64(int64_t _just_i64) {
return SetField<int64_t>(VT_JUST_I64, _just_i64, 0);
}
flatbuffers::Optional<int64_t> maybe_i64() const {
return GetOptional<int64_t, int64_t>(VT_MAYBE_I64);
}
bool mutate_maybe_i64(int64_t _maybe_i64) {
return SetField<int64_t>(VT_MAYBE_I64, _maybe_i64);
}
int64_t default_i64() const {
return GetField<int64_t>(VT_DEFAULT_I64, 42LL);
}
bool mutate_default_i64(int64_t _default_i64) {
return SetField<int64_t>(VT_DEFAULT_I64, _default_i64, 42LL);
}
uint64_t just_u64() const {
return GetField<uint64_t>(VT_JUST_U64, 0);
}
bool mutate_just_u64(uint64_t _just_u64) {
return SetField<uint64_t>(VT_JUST_U64, _just_u64, 0);
}
flatbuffers::Optional<uint64_t> maybe_u64() const {
return GetOptional<uint64_t, uint64_t>(VT_MAYBE_U64);
}
bool mutate_maybe_u64(uint64_t _maybe_u64) {
return SetField<uint64_t>(VT_MAYBE_U64, _maybe_u64);
}
uint64_t default_u64() const {
return GetField<uint64_t>(VT_DEFAULT_U64, 42ULL);
}
bool mutate_default_u64(uint64_t _default_u64) {
return SetField<uint64_t>(VT_DEFAULT_U64, _default_u64, 42ULL);
}
float just_f32() const {
return GetField<float>(VT_JUST_F32, 0.0f);
}
bool mutate_just_f32(float _just_f32) {
return SetField<float>(VT_JUST_F32, _just_f32, 0.0f);
}
flatbuffers::Optional<float> maybe_f32() const {
return GetOptional<float, float>(VT_MAYBE_F32);
}
bool mutate_maybe_f32(float _maybe_f32) {
return SetField<float>(VT_MAYBE_F32, _maybe_f32);
}
float default_f32() const {
return GetField<float>(VT_DEFAULT_F32, 42.0f);
}
bool mutate_default_f32(float _default_f32) {
return SetField<float>(VT_DEFAULT_F32, _default_f32, 42.0f);
}
double just_f64() const {
return GetField<double>(VT_JUST_F64, 0.0);
}
bool mutate_just_f64(double _just_f64) {
return SetField<double>(VT_JUST_F64, _just_f64, 0.0);
}
flatbuffers::Optional<double> maybe_f64() const {
return GetOptional<double, double>(VT_MAYBE_F64);
}
bool mutate_maybe_f64(double _maybe_f64) {
return SetField<double>(VT_MAYBE_F64, _maybe_f64);
}
double default_f64() const {
return GetField<double>(VT_DEFAULT_F64, 42.0);
}
bool mutate_default_f64(double _default_f64) {
return SetField<double>(VT_DEFAULT_F64, _default_f64, 42.0);
}
bool just_bool() const {
return GetField<uint8_t>(VT_JUST_BOOL, 0) != 0;
}
bool mutate_just_bool(bool _just_bool) {
return SetField<uint8_t>(VT_JUST_BOOL, static_cast<uint8_t>(_just_bool), 0);
}
flatbuffers::Optional<bool> maybe_bool() const {
return GetOptional<uint8_t, bool>(VT_MAYBE_BOOL);
}
bool mutate_maybe_bool(bool _maybe_bool) {
return SetField<uint8_t>(VT_MAYBE_BOOL, static_cast<uint8_t>(_maybe_bool));
}
bool default_bool() const {
return GetField<uint8_t>(VT_DEFAULT_BOOL, 1) != 0;
}
bool mutate_default_bool(bool _default_bool) {
return SetField<uint8_t>(VT_DEFAULT_BOOL, static_cast<uint8_t>(_default_bool), 1);
}
optional_scalars::OptionalByte just_enum() const {
return static_cast<optional_scalars::OptionalByte>(GetField<int8_t>(VT_JUST_ENUM, 0));
}
bool mutate_just_enum(optional_scalars::OptionalByte _just_enum) {
return SetField<int8_t>(VT_JUST_ENUM, static_cast<int8_t>(_just_enum), 0);
}
optional_scalars::OptionalByte default_enum() const {
return static_cast<optional_scalars::OptionalByte>(GetField<int8_t>(VT_DEFAULT_ENUM, 1));
}
bool mutate_default_enum(optional_scalars::OptionalByte _default_enum) {
return SetField<int8_t>(VT_DEFAULT_ENUM, static_cast<int8_t>(_default_enum), 1);
}
bool Verify(flatbuffers::Verifier &verifier) const {
return VerifyTableStart(verifier) &&
VerifyField<int8_t>(verifier, VT_JUST_I8) &&
VerifyField<int8_t>(verifier, VT_MAYBE_I8) &&
VerifyField<int8_t>(verifier, VT_DEFAULT_I8) &&
VerifyField<uint8_t>(verifier, VT_JUST_U8) &&
VerifyField<uint8_t>(verifier, VT_MAYBE_U8) &&
VerifyField<uint8_t>(verifier, VT_DEFAULT_U8) &&
VerifyField<int16_t>(verifier, VT_JUST_I16) &&
VerifyField<int16_t>(verifier, VT_MAYBE_I16) &&
VerifyField<int16_t>(verifier, VT_DEFAULT_I16) &&
VerifyField<uint16_t>(verifier, VT_JUST_U16) &&
VerifyField<uint16_t>(verifier, VT_MAYBE_U16) &&
VerifyField<uint16_t>(verifier, VT_DEFAULT_U16) &&
VerifyField<int32_t>(verifier, VT_JUST_I32) &&
VerifyField<int32_t>(verifier, VT_MAYBE_I32) &&
VerifyField<int32_t>(verifier, VT_DEFAULT_I32) &&
VerifyField<uint32_t>(verifier, VT_JUST_U32) &&
VerifyField<uint32_t>(verifier, VT_MAYBE_U32) &&
VerifyField<uint32_t>(verifier, VT_DEFAULT_U32) &&
VerifyField<int64_t>(verifier, VT_JUST_I64) &&
VerifyField<int64_t>(verifier, VT_MAYBE_I64) &&
VerifyField<int64_t>(verifier, VT_DEFAULT_I64) &&
VerifyField<uint64_t>(verifier, VT_JUST_U64) &&
VerifyField<uint64_t>(verifier, VT_MAYBE_U64) &&
VerifyField<uint64_t>(verifier, VT_DEFAULT_U64) &&
VerifyField<float>(verifier, VT_JUST_F32) &&
VerifyField<float>(verifier, VT_MAYBE_F32) &&
VerifyField<float>(verifier, VT_DEFAULT_F32) &&
VerifyField<double>(verifier, VT_JUST_F64) &&
VerifyField<double>(verifier, VT_MAYBE_F64) &&
VerifyField<double>(verifier, VT_DEFAULT_F64) &&
VerifyField<uint8_t>(verifier, VT_JUST_BOOL) &&
VerifyField<uint8_t>(verifier, VT_MAYBE_BOOL) &&
VerifyField<uint8_t>(verifier, VT_DEFAULT_BOOL) &&
VerifyField<int8_t>(verifier, VT_JUST_ENUM) &&
VerifyField<int8_t>(verifier, VT_DEFAULT_ENUM) &&
verifier.EndTable();
}
ScalarStuffT *UnPack(const flatbuffers::resolver_function_t *_resolver = nullptr) const;
void UnPackTo(ScalarStuffT *_o, const flatbuffers::resolver_function_t *_resolver = nullptr) const;
static flatbuffers::Offset<ScalarStuff> Pack(flatbuffers::FlatBufferBuilder &_fbb, const ScalarStuffT* _o, const flatbuffers::rehasher_function_t *_rehasher = nullptr);
};
struct ScalarStuffBuilder {
typedef ScalarStuff Table;
flatbuffers::FlatBufferBuilder &fbb_;
flatbuffers::uoffset_t start_;
void add_just_i8(int8_t just_i8) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_JUST_I8, just_i8, 0);
}
void add_maybe_i8(int8_t maybe_i8) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_MAYBE_I8, maybe_i8);
}
void add_default_i8(int8_t default_i8) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_DEFAULT_I8, default_i8, 42);
}
void add_just_u8(uint8_t just_u8) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_JUST_U8, just_u8, 0);
}
void add_maybe_u8(uint8_t maybe_u8) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_MAYBE_U8, maybe_u8);
}
void add_default_u8(uint8_t default_u8) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_DEFAULT_U8, default_u8, 42);
}
void add_just_i16(int16_t just_i16) {
fbb_.AddElement<int16_t>(ScalarStuff::VT_JUST_I16, just_i16, 0);
}
void add_maybe_i16(int16_t maybe_i16) {
fbb_.AddElement<int16_t>(ScalarStuff::VT_MAYBE_I16, maybe_i16);
}
void add_default_i16(int16_t default_i16) {
fbb_.AddElement<int16_t>(ScalarStuff::VT_DEFAULT_I16, default_i16, 42);
}
void add_just_u16(uint16_t just_u16) {
fbb_.AddElement<uint16_t>(ScalarStuff::VT_JUST_U16, just_u16, 0);
}
void add_maybe_u16(uint16_t maybe_u16) {
fbb_.AddElement<uint16_t>(ScalarStuff::VT_MAYBE_U16, maybe_u16);
}
void add_default_u16(uint16_t default_u16) {
fbb_.AddElement<uint16_t>(ScalarStuff::VT_DEFAULT_U16, default_u16, 42);
}
void add_just_i32(int32_t just_i32) {
fbb_.AddElement<int32_t>(ScalarStuff::VT_JUST_I32, just_i32, 0);
}
void add_maybe_i32(int32_t maybe_i32) {
fbb_.AddElement<int32_t>(ScalarStuff::VT_MAYBE_I32, maybe_i32);
}
void add_default_i32(int32_t default_i32) {
fbb_.AddElement<int32_t>(ScalarStuff::VT_DEFAULT_I32, default_i32, 42);
}
void add_just_u32(uint32_t just_u32) {
fbb_.AddElement<uint32_t>(ScalarStuff::VT_JUST_U32, just_u32, 0);
}
void add_maybe_u32(uint32_t maybe_u32) {
fbb_.AddElement<uint32_t>(ScalarStuff::VT_MAYBE_U32, maybe_u32);
}
void add_default_u32(uint32_t default_u32) {
fbb_.AddElement<uint32_t>(ScalarStuff::VT_DEFAULT_U32, default_u32, 42);
}
void add_just_i64(int64_t just_i64) {
fbb_.AddElement<int64_t>(ScalarStuff::VT_JUST_I64, just_i64, 0);
}
void add_maybe_i64(int64_t maybe_i64) {
fbb_.AddElement<int64_t>(ScalarStuff::VT_MAYBE_I64, maybe_i64);
}
void add_default_i64(int64_t default_i64) {
fbb_.AddElement<int64_t>(ScalarStuff::VT_DEFAULT_I64, default_i64, 42LL);
}
void add_just_u64(uint64_t just_u64) {
fbb_.AddElement<uint64_t>(ScalarStuff::VT_JUST_U64, just_u64, 0);
}
void add_maybe_u64(uint64_t maybe_u64) {
fbb_.AddElement<uint64_t>(ScalarStuff::VT_MAYBE_U64, maybe_u64);
}
void add_default_u64(uint64_t default_u64) {
fbb_.AddElement<uint64_t>(ScalarStuff::VT_DEFAULT_U64, default_u64, 42ULL);
}
void add_just_f32(float just_f32) {
fbb_.AddElement<float>(ScalarStuff::VT_JUST_F32, just_f32, 0.0f);
}
void add_maybe_f32(float maybe_f32) {
fbb_.AddElement<float>(ScalarStuff::VT_MAYBE_F32, maybe_f32);
}
void add_default_f32(float default_f32) {
fbb_.AddElement<float>(ScalarStuff::VT_DEFAULT_F32, default_f32, 42.0f);
}
void add_just_f64(double just_f64) {
fbb_.AddElement<double>(ScalarStuff::VT_JUST_F64, just_f64, 0.0);
}
void add_maybe_f64(double maybe_f64) {
fbb_.AddElement<double>(ScalarStuff::VT_MAYBE_F64, maybe_f64);
}
void add_default_f64(double default_f64) {
fbb_.AddElement<double>(ScalarStuff::VT_DEFAULT_F64, default_f64, 42.0);
}
void add_just_bool(bool just_bool) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_JUST_BOOL, static_cast<uint8_t>(just_bool), 0);
}
void add_maybe_bool(bool maybe_bool) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_MAYBE_BOOL, static_cast<uint8_t>(maybe_bool));
}
void add_default_bool(bool default_bool) {
fbb_.AddElement<uint8_t>(ScalarStuff::VT_DEFAULT_BOOL, static_cast<uint8_t>(default_bool), 1);
}
void add_just_enum(optional_scalars::OptionalByte just_enum) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_JUST_ENUM, static_cast<int8_t>(just_enum), 0);
}
void add_default_enum(optional_scalars::OptionalByte default_enum) {
fbb_.AddElement<int8_t>(ScalarStuff::VT_DEFAULT_ENUM, static_cast<int8_t>(default_enum), 1);
}
explicit ScalarStuffBuilder(flatbuffers::FlatBufferBuilder &_fbb)
: fbb_(_fbb) {
start_ = fbb_.StartTable();
}
flatbuffers::Offset<ScalarStuff> Finish() {
const auto end = fbb_.EndTable(start_);
auto o = flatbuffers::Offset<ScalarStuff>(end);
return o;
}
};
inline flatbuffers::Offset<ScalarStuff> CreateScalarStuff(
flatbuffers::FlatBufferBuilder &_fbb,
int8_t just_i8 = 0,
flatbuffers::Optional<int8_t>maybe_i8 = flatbuffers::nullopt,
int8_t default_i8 = 42,
uint8_t just_u8 = 0,
flatbuffers::Optional<uint8_t>maybe_u8 = flatbuffers::nullopt,
uint8_t default_u8 = 42,
int16_t just_i16 = 0,
flatbuffers::Optional<int16_t>maybe_i16 = flatbuffers::nullopt,
int16_t default_i16 = 42,
uint16_t just_u16 = 0,
flatbuffers::Optional<uint16_t>maybe_u16 = flatbuffers::nullopt,
uint16_t default_u16 = 42,
int32_t just_i32 = 0,
flatbuffers::Optional<int32_t>maybe_i32 = flatbuffers::nullopt,
int32_t default_i32 = 42,
uint32_t just_u32 = 0,
flatbuffers::Optional<uint32_t>maybe_u32 = flatbuffers::nullopt,
uint32_t default_u32 = 42,
int64_t just_i64 = 0,
flatbuffers::Optional<int64_t>maybe_i64 = flatbuffers::nullopt,
int64_t default_i64 = 42LL,
uint64_t just_u64 = 0,
flatbuffers::Optional<uint64_t>maybe_u64 = flatbuffers::nullopt,
uint64_t default_u64 = 42ULL,
float just_f32 = 0.0f,
flatbuffers::Optional<float>maybe_f32 = flatbuffers::nullopt,
float default_f32 = 42.0f,
double just_f64 = 0.0,
flatbuffers::Optional<double>maybe_f64 = flatbuffers::nullopt,
double default_f64 = 42.0,
bool just_bool = false,
flatbuffers::Optional<bool>maybe_bool = flatbuffers::nullopt,
bool default_bool = true,
optional_scalars::OptionalByte just_enum = optional_scalars::OptionalByte_None,
optional_scalars::OptionalByte default_enum = optional_scalars::OptionalByte_One) {
ScalarStuffBuilder builder_(_fbb);
builder_.add_default_f64(default_f64);
if(maybe_f64) { builder_.add_maybe_f64(*maybe_f64); }
builder_.add_just_f64(just_f64);
builder_.add_default_u64(default_u64);
if(maybe_u64) { builder_.add_maybe_u64(*maybe_u64); }
builder_.add_just_u64(just_u64);
builder_.add_default_i64(default_i64);
if(maybe_i64) { builder_.add_maybe_i64(*maybe_i64); }
builder_.add_just_i64(just_i64);
builder_.add_default_f32(default_f32);
if(maybe_f32) { builder_.add_maybe_f32(*maybe_f32); }
builder_.add_just_f32(just_f32);
builder_.add_default_u32(default_u32);
if(maybe_u32) { builder_.add_maybe_u32(*maybe_u32); }
builder_.add_just_u32(just_u32);
builder_.add_default_i32(default_i32);
if(maybe_i32) { builder_.add_maybe_i32(*maybe_i32); }
builder_.add_just_i32(just_i32);
builder_.add_default_u16(default_u16);
if(maybe_u16) { builder_.add_maybe_u16(*maybe_u16); }
builder_.add_just_u16(just_u16);
builder_.add_default_i16(default_i16);
if(maybe_i16) { builder_.add_maybe_i16(*maybe_i16); }
builder_.add_just_i16(just_i16);
builder_.add_default_enum(default_enum);
builder_.add_just_enum(just_enum);
builder_.add_default_bool(default_bool);
if(maybe_bool) { builder_.add_maybe_bool(*maybe_bool); }
builder_.add_just_bool(just_bool);
builder_.add_default_u8(default_u8);
if(maybe_u8) { builder_.add_maybe_u8(*maybe_u8); }
builder_.add_just_u8(just_u8);
builder_.add_default_i8(default_i8);
if(maybe_i8) { builder_.add_maybe_i8(*maybe_i8); }
builder_.add_just_i8(just_i8);
return builder_.Finish();
}
flatbuffers::Offset<ScalarStuff> CreateScalarStuff(flatbuffers::FlatBufferBuilder &_fbb, const ScalarStuffT *_o, const flatbuffers::rehasher_function_t *_rehasher = nullptr);
inline ScalarStuffT *ScalarStuff::UnPack(const flatbuffers::resolver_function_t *_resolver) const {
flatbuffers::unique_ptr<optional_scalars::ScalarStuffT> _o = flatbuffers::unique_ptr<optional_scalars::ScalarStuffT>(new ScalarStuffT());
UnPackTo(_o.get(), _resolver);
return _o.release();
}
inline void ScalarStuff::UnPackTo(ScalarStuffT *_o, const flatbuffers::resolver_function_t *_resolver) const {
(void)_o;
(void)_resolver;
{ auto _e = just_i8(); _o->just_i8 = _e; }
{ auto _e = maybe_i8(); _o->maybe_i8 = _e; }
{ auto _e = default_i8(); _o->default_i8 = _e; }
{ auto _e = just_u8(); _o->just_u8 = _e; }
{ auto _e = maybe_u8(); _o->maybe_u8 = _e; }
{ auto _e = default_u8(); _o->default_u8 = _e; }
{ auto _e = just_i16(); _o->just_i16 = _e; }
{ auto _e = maybe_i16(); _o->maybe_i16 = _e; }
{ auto _e = default_i16(); _o->default_i16 = _e; }
{ auto _e = just_u16(); _o->just_u16 = _e; }
{ auto _e = maybe_u16(); _o->maybe_u16 = _e; }
{ auto _e = default_u16(); _o->default_u16 = _e; }
{ auto _e = just_i32(); _o->just_i32 = _e; }
{ auto _e = maybe_i32(); _o->maybe_i32 = _e; }
{ auto _e = default_i32(); _o->default_i32 = _e; }
{ auto _e = just_u32(); _o->just_u32 = _e; }
{ auto _e = maybe_u32(); _o->maybe_u32 = _e; }
{ auto _e = default_u32(); _o->default_u32 = _e; }
{ auto _e = just_i64(); _o->just_i64 = _e; }
{ auto _e = maybe_i64(); _o->maybe_i64 = _e; }
{ auto _e = default_i64(); _o->default_i64 = _e; }
{ auto _e = just_u64(); _o->just_u64 = _e; }
{ auto _e = maybe_u64(); _o->maybe_u64 = _e; }
{ auto _e = default_u64(); _o->default_u64 = _e; }
{ auto _e = just_f32(); _o->just_f32 = _e; }
{ auto _e = maybe_f32(); _o->maybe_f32 = _e; }
{ auto _e = default_f32(); _o->default_f32 = _e; }
{ auto _e = just_f64(); _o->just_f64 = _e; }
{ auto _e = maybe_f64(); _o->maybe_f64 = _e; }
{ auto _e = default_f64(); _o->default_f64 = _e; }
{ auto _e = just_bool(); _o->just_bool = _e; }
{ auto _e = maybe_bool(); _o->maybe_bool = _e; }
{ auto _e = default_bool(); _o->default_bool = _e; }
{ auto _e = just_enum(); _o->just_enum = _e; }
{ auto _e = default_enum(); _o->default_enum = _e; }
}
inline flatbuffers::Offset<ScalarStuff> ScalarStuff::Pack(flatbuffers::FlatBufferBuilder &_fbb, const ScalarStuffT* _o, const flatbuffers::rehasher_function_t *_rehasher) {
return CreateScalarStuff(_fbb, _o, _rehasher);
}
inline flatbuffers::Offset<ScalarStuff> CreateScalarStuff(flatbuffers::FlatBufferBuilder &_fbb, const ScalarStuffT *_o, const flatbuffers::rehasher_function_t *_rehasher) {
(void)_rehasher;
(void)_o;
struct _VectorArgs { flatbuffers::FlatBufferBuilder *__fbb; const ScalarStuffT* __o; const flatbuffers::rehasher_function_t *__rehasher; } _va = { &_fbb, _o, _rehasher}; (void)_va;
auto _just_i8 = _o->just_i8;
auto _maybe_i8 = _o->maybe_i8;
auto _default_i8 = _o->default_i8;
auto _just_u8 = _o->just_u8;
auto _maybe_u8 = _o->maybe_u8;
auto _default_u8 = _o->default_u8;
auto _just_i16 = _o->just_i16;
auto _maybe_i16 = _o->maybe_i16;
auto _default_i16 = _o->default_i16;
auto _just_u16 = _o->just_u16;
auto _maybe_u16 = _o->maybe_u16;
auto _default_u16 = _o->default_u16;
auto _just_i32 = _o->just_i32;
auto _maybe_i32 = _o->maybe_i32;
auto _default_i32 = _o->default_i32;
auto _just_u32 = _o->just_u32;
auto _maybe_u32 = _o->maybe_u32;
auto _default_u32 = _o->default_u32;
auto _just_i64 = _o->just_i64;
auto _maybe_i64 = _o->maybe_i64;
auto _default_i64 = _o->default_i64;
auto _just_u64 = _o->just_u64;
auto _maybe_u64 = _o->maybe_u64;
auto _default_u64 = _o->default_u64;
auto _just_f32 = _o->just_f32;
auto _maybe_f32 = _o->maybe_f32;
auto _default_f32 = _o->default_f32;
auto _just_f64 = _o->just_f64;
auto _maybe_f64 = _o->maybe_f64;
auto _default_f64 = _o->default_f64;
auto _just_bool = _o->just_bool;
auto _maybe_bool = _o->maybe_bool;
auto _default_bool = _o->default_bool;
auto _just_enum = _o->just_enum;
auto _default_enum = _o->default_enum;
return optional_scalars::CreateScalarStuff(
_fbb,
_just_i8,
_maybe_i8,
_default_i8,
_just_u8,
_maybe_u8,
_default_u8,
_just_i16,
_maybe_i16,
_default_i16,
_just_u16,
_maybe_u16,
_default_u16,
_just_i32,
_maybe_i32,
_default_i32,
_just_u32,
_maybe_u32,
_default_u32,
_just_i64,
_maybe_i64,
_default_i64,
_just_u64,
_maybe_u64,
_default_u64,
_just_f32,
_maybe_f32,
_default_f32,
_just_f64,
_maybe_f64,
_default_f64,
_just_bool,
_maybe_bool,
_default_bool,
_just_enum,
_default_enum);
}
inline const flatbuffers::TypeTable *OptionalByteTypeTable() {
static const flatbuffers::TypeCode type_codes[] = {
{ flatbuffers::ET_CHAR, 0, 0 },
{ flatbuffers::ET_CHAR, 0, 0 }
};
static const flatbuffers::TypeFunction type_refs[] = {
optional_scalars::OptionalByteTypeTable
};
static const char * const names[] = {
"None",
"One"
};
static const flatbuffers::TypeTable tt = {
flatbuffers::ST_ENUM, 2, type_codes, type_refs, nullptr, names
};
return &tt;
}
inline const flatbuffers::TypeTable *ScalarStuffTypeTable() {
static const flatbuffers::TypeCode type_codes[] = {
{ flatbuffers::ET_CHAR, 0, -1 },
{ flatbuffers::ET_CHAR, 0, -1 },
{ flatbuffers::ET_CHAR, 0, -1 },
{ flatbuffers::ET_UCHAR, 0, -1 },
{ flatbuffers::ET_UCHAR, 0, -1 },
{ flatbuffers::ET_UCHAR, 0, -1 },
{ flatbuffers::ET_SHORT, 0, -1 },
{ flatbuffers::ET_SHORT, 0, -1 },
{ flatbuffers::ET_SHORT, 0, -1 },
{ flatbuffers::ET_USHORT, 0, -1 },
{ flatbuffers::ET_USHORT, 0, -1 },
{ flatbuffers::ET_USHORT, 0, -1 },
{ flatbuffers::ET_INT, 0, -1 },
{ flatbuffers::ET_INT, 0, -1 },
{ flatbuffers::ET_INT, 0, -1 },
{ flatbuffers::ET_UINT, 0, -1 },
{ flatbuffers::ET_UINT, 0, -1 },
{ flatbuffers::ET_UINT, 0, -1 },
{ flatbuffers::ET_LONG, 0, -1 },
{ flatbuffers::ET_LONG, 0, -1 },
{ flatbuffers::ET_LONG, 0, -1 },
{ flatbuffers::ET_ULONG, 0, -1 },
{ flatbuffers::ET_ULONG, 0, -1 },
{ flatbuffers::ET_ULONG, 0, -1 },
{ flatbuffers::ET_FLOAT, 0, -1 },
{ flatbuffers::ET_FLOAT, 0, -1 },
{ flatbuffers::ET_FLOAT, 0, -1 },
{ flatbuffers::ET_DOUBLE, 0, -1 },
{ flatbuffers::ET_DOUBLE, 0, -1 },
{ flatbuffers::ET_DOUBLE, 0, -1 },
{ flatbuffers::ET_BOOL, 0, -1 },
{ flatbuffers::ET_BOOL, 0, -1 },
{ flatbuffers::ET_BOOL, 0, -1 },
{ flatbuffers::ET_CHAR, 0, 0 },
{ flatbuffers::ET_CHAR, 0, 0 }
};
static const flatbuffers::TypeFunction type_refs[] = {
optional_scalars::OptionalByteTypeTable
};
static const char * const names[] = {
"just_i8",
"maybe_i8",
"default_i8",
"just_u8",
"maybe_u8",
"default_u8",
"just_i16",
"maybe_i16",
"default_i16",
"just_u16",
"maybe_u16",
"default_u16",
"just_i32",
"maybe_i32",
"default_i32",
"just_u32",
"maybe_u32",
"default_u32",
"just_i64",
"maybe_i64",
"default_i64",
"just_u64",
"maybe_u64",
"default_u64",
"just_f32",
"maybe_f32",
"default_f32",
"just_f64",
"maybe_f64",
"default_f64",
"just_bool",
"maybe_bool",
"default_bool",
"just_enum",
"default_enum"
};
static const flatbuffers::TypeTable tt = {
flatbuffers::ST_TABLE, 35, type_codes, type_refs, nullptr, names
};
return &tt;
}
inline const optional_scalars::ScalarStuff *GetScalarStuff(const void *buf) {
return flatbuffers::GetRoot<optional_scalars::ScalarStuff>(buf);
}
inline const optional_scalars::ScalarStuff *GetSizePrefixedScalarStuff(const void *buf) {
return flatbuffers::GetSizePrefixedRoot<optional_scalars::ScalarStuff>(buf);
}
inline ScalarStuff *GetMutableScalarStuff(void *buf) {
return flatbuffers::GetMutableRoot<ScalarStuff>(buf);
}
inline const char *ScalarStuffIdentifier() {
return "NULL";
}
inline bool ScalarStuffBufferHasIdentifier(const void *buf) {
return flatbuffers::BufferHasIdentifier(
buf, ScalarStuffIdentifier());
}
inline bool VerifyScalarStuffBuffer(
flatbuffers::Verifier &verifier) {
return verifier.VerifyBuffer<optional_scalars::ScalarStuff>(ScalarStuffIdentifier());
}
inline bool VerifySizePrefixedScalarStuffBuffer(
flatbuffers::Verifier &verifier) {
return verifier.VerifySizePrefixedBuffer<optional_scalars::ScalarStuff>(ScalarStuffIdentifier());
}
inline const char *ScalarStuffExtension() {
return "mon";
}
inline void FinishScalarStuffBuffer(
flatbuffers::FlatBufferBuilder &fbb,
flatbuffers::Offset<optional_scalars::ScalarStuff> root) {
fbb.Finish(root, ScalarStuffIdentifier());
}
inline void FinishSizePrefixedScalarStuffBuffer(
flatbuffers::FlatBufferBuilder &fbb,
flatbuffers::Offset<optional_scalars::ScalarStuff> root) {
fbb.FinishSizePrefixed(root, ScalarStuffIdentifier());
}
inline flatbuffers::unique_ptr<optional_scalars::ScalarStuffT> UnPackScalarStuff(
const void *buf,
const flatbuffers::resolver_function_t *res = nullptr) {
return flatbuffers::unique_ptr<optional_scalars::ScalarStuffT>(GetScalarStuff(buf)->UnPack(res));
}
inline flatbuffers::unique_ptr<optional_scalars::ScalarStuffT> UnPackSizePrefixedScalarStuff(
const void *buf,
const flatbuffers::resolver_function_t *res = nullptr) {
return flatbuffers::unique_ptr<optional_scalars::ScalarStuffT>(GetSizePrefixedScalarStuff(buf)->UnPack(res));
}
} // namespace optional_scalars
#endif // FLATBUFFERS_GENERATED_OPTIONALSCALARS_OPTIONAL_SCALARS_H_

16
tests/optional_scalars_generated.lobster
View File

@@ -3,6 +3,10 @@ import flatbuffers
namespace optional_scalars
enum OptionalByte:
OptionalByte_None = 0
OptionalByte_One = 1
class ScalarStuff
class ScalarStuff : flatbuffers_handle
@@ -72,13 +76,17 @@ class ScalarStuff : flatbuffers_handle
return buf_.flatbuffers_field_int8(pos_, 66, 0), buf_.flatbuffers_field_present(pos_, 66)
def default_bool():
return buf_.flatbuffers_field_int8(pos_, 68, 1)
def just_enum():
return OptionalByte(buf_.flatbuffers_field_int8(pos_, 70, 0))
def default_enum():
return OptionalByte(buf_.flatbuffers_field_int8(pos_, 72, 1))
def GetRootAsScalarStuff(buf:string): return ScalarStuff { buf, buf.flatbuffers_indirect(0) }
struct ScalarStuffBuilder:
b_:flatbuffers_builder
def start():
b_.StartObject(33)
b_.StartObject(35)
return this
def add_just_i8(just_i8:int):
b_.PrependInt8Slot(0, just_i8, 0)
@@ -179,6 +187,12 @@ struct ScalarStuffBuilder:
def add_default_bool(default_bool:int):
b_.PrependBoolSlot(32, default_bool, 1)
return this
def add_just_enum(just_enum:OptionalByte):
b_.PrependInt8Slot(33, just_enum, 0)
return this
def add_default_enum(default_enum:OptionalByte):
b_.PrependInt8Slot(34, default_enum, 1)
return this
def end():
return b_.EndObject()

119
tests/optional_scalars_generated.rs
View File

@@ -17,6 +17,66 @@ pub mod optional_scalars {
extern crate flatbuffers;
use self::flatbuffers::EndianScalar;
#[allow(non_camel_case_types)]
#[repr(i8)]
#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
pub enum OptionalByte {
None = 0,
One = 1,
}
pub const ENUM_MIN_OPTIONAL_BYTE: i8 = 0;
pub const ENUM_MAX_OPTIONAL_BYTE: i8 = 1;
impl<'a> flatbuffers::Follow<'a> for OptionalByte {
type Inner = Self;
#[inline]
fn follow(buf: &'a [u8], loc: usize) -> Self::Inner {
flatbuffers::read_scalar_at::<Self>(buf, loc)
}
}
impl flatbuffers::EndianScalar for OptionalByte {
#[inline]
fn to_little_endian(self) -> Self {
let n = i8::to_le(self as i8);
let p = &n as *const i8 as *const OptionalByte;
unsafe { *p }
}
#[inline]
fn from_little_endian(self) -> Self {
let n = i8::from_le(self as i8);
let p = &n as *const i8 as *const OptionalByte;
unsafe { *p }
}
}
impl flatbuffers::Push for OptionalByte {
type Output = OptionalByte;
#[inline]
fn push(&self, dst: &mut [u8], _rest: &[u8]) {
flatbuffers::emplace_scalar::<OptionalByte>(dst, *self);
}
}
#[allow(non_camel_case_types)]
pub const ENUM_VALUES_OPTIONAL_BYTE: [OptionalByte; 2] = [
OptionalByte::None,
OptionalByte::One
];
#[allow(non_camel_case_types)]
pub const ENUM_NAMES_OPTIONAL_BYTE: [&str; 2] = [
"None",
"One"
];
pub fn enum_name_optional_byte(e: OptionalByte) -> &'static str {
let index = e as i8;
ENUM_NAMES_OPTIONAL_BYTE[index as usize]
}
pub enum ScalarStuffOffset {}
#[derive(Copy, Clone, Debug, PartialEq)]
@@ -68,6 +128,8 @@ impl<'a> ScalarStuff<'a> {
builder.add_default_i16(args.default_i16);
if let Some(x) = args.maybe_i16 { builder.add_maybe_i16(x); }
builder.add_just_i16(args.just_i16);
builder.add_default_enum(args.default_enum);
builder.add_just_enum(args.just_enum);
builder.add_default_bool(args.default_bool);
if let Some(x) = args.maybe_bool { builder.add_maybe_bool(x); }
builder.add_just_bool(args.just_bool);
@@ -113,6 +175,8 @@ impl<'a> ScalarStuff<'a> {
pub const VT_JUST_BOOL: flatbuffers::VOffsetT = 64;
pub const VT_MAYBE_BOOL: flatbuffers::VOffsetT = 66;
pub const VT_DEFAULT_BOOL: flatbuffers::VOffsetT = 68;
pub const VT_JUST_ENUM: flatbuffers::VOffsetT = 70;
pub const VT_DEFAULT_ENUM: flatbuffers::VOffsetT = 72;
#[inline]
pub fn just_i8(&self) -> i8 {
@@ -246,6 +310,14 @@ impl<'a> ScalarStuff<'a> {
pub fn default_bool(&self) -> bool {
self._tab.get::<bool>(ScalarStuff::VT_DEFAULT_BOOL, Some(true)).unwrap()
}
#[inline]
pub fn just_enum(&self) -> OptionalByte {
self._tab.get::<OptionalByte>(ScalarStuff::VT_JUST_ENUM, Some(OptionalByte::None)).unwrap()
}
#[inline]
pub fn default_enum(&self) -> OptionalByte {
self._tab.get::<OptionalByte>(ScalarStuff::VT_DEFAULT_ENUM, Some(OptionalByte::One)).unwrap()
}
}
pub struct ScalarStuffArgs {
@@ -282,6 +354,8 @@ pub struct ScalarStuffArgs {
pub just_bool: bool,
pub maybe_bool: Option<bool>,
pub default_bool: bool,
pub just_enum: OptionalByte,
pub default_enum: OptionalByte,
}
impl<'a> Default for ScalarStuffArgs {
#[inline]
@@ -320,6 +394,8 @@ impl<'a> Default for ScalarStuffArgs {
just_bool: false,
maybe_bool: None,
default_bool: true,
just_enum: OptionalByte::None,
default_enum: OptionalByte::One,
}
}
}
@@ -461,6 +537,14 @@ impl<'a: 'b, 'b> ScalarStuffBuilder<'a, 'b> {
self.fbb_.push_slot::<bool>(ScalarStuff::VT_DEFAULT_BOOL, default_bool, true);
}
#[inline]
pub fn add_just_enum(&mut self, just_enum: OptionalByte) {
self.fbb_.push_slot::<OptionalByte>(ScalarStuff::VT_JUST_ENUM, just_enum, OptionalByte::None);
}
#[inline]
pub fn add_default_enum(&mut self, default_enum: OptionalByte) {
self.fbb_.push_slot::<OptionalByte>(ScalarStuff::VT_DEFAULT_ENUM, default_enum, OptionalByte::One);
}
#[inline]
pub fn new(_fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>) -> ScalarStuffBuilder<'a, 'b> {
let start = _fbb.start_table();
ScalarStuffBuilder {
@@ -475,5 +559,40 @@ impl<'a: 'b, 'b> ScalarStuffBuilder<'a, 'b> {
}
}
#[inline]
pub fn get_root_as_scalar_stuff<'a>(buf: &'a [u8]) -> ScalarStuff<'a> {
flatbuffers::get_root::<ScalarStuff<'a>>(buf)
}
#[inline]
pub fn get_size_prefixed_root_as_scalar_stuff<'a>(buf: &'a [u8]) -> ScalarStuff<'a> {
flatbuffers::get_size_prefixed_root::<ScalarStuff<'a>>(buf)
}
pub const SCALAR_STUFF_IDENTIFIER: &str = "NULL";
#[inline]
pub fn scalar_stuff_buffer_has_identifier(buf: &[u8]) -> bool {
flatbuffers::buffer_has_identifier(buf, SCALAR_STUFF_IDENTIFIER, false)
}
#[inline]
pub fn scalar_stuff_size_prefixed_buffer_has_identifier(buf: &[u8]) -> bool {
flatbuffers::buffer_has_identifier(buf, SCALAR_STUFF_IDENTIFIER, true)
}
pub const SCALAR_STUFF_EXTENSION: &str = "mon";
#[inline]
pub fn finish_scalar_stuff_buffer<'a, 'b>(
fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>,
root: flatbuffers::WIPOffset<ScalarStuff<'a>>) {
fbb.finish(root, Some(SCALAR_STUFF_IDENTIFIER));
}
#[inline]
pub fn finish_size_prefixed_scalar_stuff_buffer<'a, 'b>(fbb: &'b mut flatbuffers::FlatBufferBuilder<'a>, root: flatbuffers::WIPOffset<ScalarStuff<'a>>) {
fbb.finish_size_prefixed(root, Some(SCALAR_STUFF_IDENTIFIER));
}
} // pub mod optional_scalars

54
tests/test.cpp
View File

@@ -23,7 +23,6 @@
// clang-format off
#ifdef FLATBUFFERS_CPP98_STL
#include "flatbuffers/stl_emulation.h"
namespace std {
using flatbuffers::unique_ptr;
}
@@ -35,6 +34,7 @@
#include "namespace_test/namespace_test2_generated.h"
#include "union_vector/union_vector_generated.h"
#include "monster_extra_generated.h"
#include "optional_scalars_generated.h"
#if !defined(_MSC_VER) || _MSC_VER >= 1700
# include "arrays_test_generated.h"
# include "evolution_test/evolution_v1_generated.h"
@@ -3462,23 +3462,51 @@ void OptionalScalarsTest() {
TEST_EQ(mana->optional, has_null);
}
// Test if optional scalars are allowed for each language.
const int kNumLanguages = 17;
const auto supported = (flatbuffers::IDLOptions::kRust |
flatbuffers::IDLOptions::kSwift |
flatbuffers::IDLOptions::kKotlin |
flatbuffers::IDLOptions::kLobster);
for (int lang=0; lang<kNumLanguages; lang++) {
// Test if nullable scalars are allowed for each language.
for (unsigned lang = 1; lang < flatbuffers::IDLOptions::kMAX; lang <<= 1) {
flatbuffers::IDLOptions opts;
opts.lang_to_generate |= 1 << lang;
if (opts.lang_to_generate & supported) continue;
opts.lang_to_generate = lang;
if (false == flatbuffers::Parser::SupportsOptionalScalars(opts)) {
continue;
}
for (auto schema = schemas.begin(); schema < schemas.end(); schema++) {
const bool has_null = schema->find("null") != std::string::npos;
flatbuffers::Parser parser(opts);
// Its not supported in any language yet so has_null means error.
TEST_EQ(parser.Parse(schema->c_str()), !has_null);
auto done = parser.Parse(schema->c_str());
TEST_EQ_STR(parser.error_.c_str(), "");
TEST_ASSERT(done);
}
}
// test C++ nullable
flatbuffers::FlatBufferBuilder fbb;
FinishScalarStuffBuffer(
fbb, optional_scalars::CreateScalarStuff(fbb, 1, static_cast<int8_t>(2)));
auto opts = optional_scalars::GetMutableScalarStuff(fbb.GetBufferPointer());
TEST_ASSERT(!opts->maybe_bool());
TEST_ASSERT(!opts->maybe_f32().has_value());
TEST_ASSERT(opts->maybe_i8().has_value());
TEST_EQ(opts->maybe_i8().value(), 2);
TEST_ASSERT(opts->mutate_maybe_i8(3));
TEST_ASSERT(opts->maybe_i8().has_value());
TEST_EQ(opts->maybe_i8().value(), 3);
TEST_ASSERT(!opts->mutate_maybe_i16(-10));
optional_scalars::ScalarStuffT obj;
opts->UnPackTo(&obj);
TEST_ASSERT(!obj.maybe_bool);
TEST_ASSERT(!obj.maybe_f32.has_value());
TEST_ASSERT(obj.maybe_i8.has_value() && obj.maybe_i8.value() == 3);
TEST_ASSERT(obj.maybe_i8 && *obj.maybe_i8 == 3);
obj.maybe_i32 = -1;
fbb.Clear();
FinishScalarStuffBuffer(fbb, optional_scalars::ScalarStuff::Pack(fbb, &obj));
opts = optional_scalars::GetMutableScalarStuff(fbb.GetBufferPointer());
TEST_ASSERT(opts->maybe_i8().has_value());
TEST_EQ(opts->maybe_i8().value(), 3);
TEST_ASSERT(opts->maybe_i32().has_value());
TEST_EQ(opts->maybe_i32().value(), -1);
TEST_ASSERT(opts->maybe_i32() == flatbuffers::Optional<int64_t>(-1));
}
void ParseFlexbuffersFromJsonWithNullTest() {