object-introspection/types/optional_type.toml
Jake Hillion cbeafba9bb tbv2: fix type names for std::optional
Type names of optional elements were accidentally left as todo. Update
`std::optional` to use `make_field` and correctly name its elements.

Test Plan:
- CI
- Updated the integration tests to test the names.
2024-01-09 15:09:24 +00:00

58 lines
1.2 KiB
TOML

[info]
type_name = "std::optional"
ctype = "OPTIONAL_TYPE"
header = "optional"
# Old:
typeName = "std::optional<"
ns = ["namespace std"]
numTemplateParams = 1
[codegen]
decl = """
template<typename T>
void getSizeType(const %1%<T> &container, size_t& returnArg);
"""
func = """
template <typename T>
void getSizeType(const %1%<T>& container, size_t& returnArg) {
if (container) {
SAVE_SIZE(sizeof(%1%<T>) - sizeof(T));
SAVE_DATA(true);
getSizeType(*container, returnArg);
} else {
SAVE_SIZE(sizeof(%1%<T>));
SAVE_DATA(false);
}
}
"""
traversal_func = """
if (container.has_value()) {
return returnArg.template delegate<1>([&ctx, &container](auto ret) {
return OIInternal::getSizeType<Ctx>(ctx, *container, ret);
});
} else {
return returnArg.template delegate<0>(std::identity());
}
"""
[[codegen.processor]]
type = "types::st::Sum<DB, types::st::Unit<DB>, typename TypeHandler<Ctx, T0>::type>"
func = """
static constexpr auto elementField = make_field<Ctx, T0>("el");
auto sum = std::get<ParsedData::Sum>(d.val);
el.container_stats = result::Element::ContainerStats {
.capacity = 1,
.length = sum.index,
};
if (sum.index == 1) {
el.exclusive_size -= sizeof(T0);
stack_ins(elementField);
}
"""