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native_type and native_inline on fields

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This commit is contained in:
Romain BOULLARD
2026-05-09 12:23:35 +02:00
parent 03fffb25e2
commit 4edfa03ffc
1 changed files with 33 additions and 5 deletions
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38
src/idl_gen_cpp.cpp
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@@ -987,7 +987,13 @@ class CppGenerator : public BaseGenerator {
case BASE_TYPE_STRUCT: {
auto type_name = WrapInNameSpace(*type.struct_def);
if (IsStruct(type)) {
auto native_type = type.struct_def->attributes.Lookup("native_type");
// Field-level native_type takes priority over struct-level
// native_type
auto field_native_type = field.attributes.Lookup("native_type");
auto native_type =
field_native_type
? field_native_type
: type.struct_def->attributes.Lookup("native_type");
if (native_type) {
type_name = native_type->constant;
}
@@ -3516,10 +3522,21 @@ class CppGenerator : public BaseGenerator {
case BASE_TYPE_STRUCT: {
if (IsStruct(type)) {
const auto& struct_attrs = type.struct_def->attributes;
const auto native_type = struct_attrs.Lookup("native_type");
// Field-level native_type takes priority over struct-level
// native_type
auto field_native_type = afield.attributes.Lookup("native_type");
const auto native_type = field_native_type
? field_native_type
: struct_attrs.Lookup("native_type");
if (native_type) {
std::string unpack_call = "::flatbuffers::UnPack";
const auto pack_name = struct_attrs.Lookup("native_type_pack_name");
// Field-level native_type_pack_name takes priority over
// struct-level
auto field_pack_name =
afield.attributes.Lookup("native_type_pack_name");
const auto pack_name =
field_pack_name ? field_pack_name
: struct_attrs.Lookup("native_type_pack_name");
if (pack_name) {
unpack_call += pack_name->constant;
}
@@ -3918,11 +3935,22 @@ class CppGenerator : public BaseGenerator {
case BASE_TYPE_STRUCT: {
if (IsStruct(field.value.type)) {
const auto& struct_attribs = field.value.type.struct_def->attributes;
const auto native_type = struct_attribs.Lookup("native_type");
// Field-level native_type takes priority over struct-level
// native_type
auto field_native_type = field.attributes.Lookup("native_type");
const auto native_type = field_native_type
? field_native_type
: struct_attribs.Lookup("native_type");
if (native_type && field.native_inline) {
code += "::flatbuffers::Pack";
// Field-level native_type_pack_name takes priority over
// struct-level
auto field_pack_name =
field.attributes.Lookup("native_type_pack_name");
const auto pack_name =
struct_attribs.Lookup("native_type_pack_name");
field_pack_name
? field_pack_name
: struct_attribs.Lookup("native_type_pack_name");
if (pack_name) {
code += pack_name->constant;
}