object-introspection/types/string_type.toml
Janeczko Jakub cc401c1e5b
fix string type sso computation (#469)
* fix string type sso computation

* fix rest of sbo/sso calculation

* make placement of uintptr_t cast consistent

* separate check-inline into function
2024-01-31 11:19:24 +00:00

64 lines
1.6 KiB
TOML

[info]
type_name = "std::basic_string"
stub_template_params = [2]
ctype = "STRING_TYPE"
header = "string"
# Old:
typeName = "std::basic_string<"
ns = ["namespace std"]
numTemplateParams = 1
replaceTemplateParamIndex = []
[codegen]
decl = """
template<typename T, typename Traits, typename Allocator>
void getSizeType(const %1%<T, Traits, Allocator> &container, size_t& returnArg);
"""
func = """
template<typename T, typename Traits, typename Allocator>
void getSizeType(const %1%<T, Traits, Allocator> &container, size_t& returnArg)
{
SAVE_SIZE(sizeof(%1%<T>));
SAVE_DATA((uintptr_t)container.capacity());
SAVE_DATA((uintptr_t)container.size());
// Test for small string optimisation - whether the underlying string is
// contained within the string object.
SAVE_SIZE(
isStorageInline(container) ? 0 : (container.capacity() * sizeof(T))
);
}
"""
traversal_func = """
bool sso = isStorageInline(container);
return returnArg.write(container.capacity())
.write(sso)
.write(container.size());
"""
[[codegen.processor]]
type = "types::st::VarInt<DB>"
func = """
uint64_t capacity = std::get<ParsedData::VarInt>(d.val).value;
el.container_stats.emplace(result::Element::ContainerStats { .capacity = capacity });
"""
[[codegen.processor]]
type = "types::st::VarInt<DB>"
func = """
bool sso = std::get<ParsedData::VarInt>(d.val).value;
if (!sso)
el.exclusive_size += el.container_stats->capacity * sizeof(T0);
"""
[[codegen.processor]]
type = "types::st::VarInt<DB>"
func = """
el.container_stats->length = std::get<ParsedData::VarInt>(d.val).value;
"""