mirror of
https://github.com/JakeHillion/object-introspection.git
synced 2024-09-19 19:19:05 +01:00
cc401c1e5b
* fix string type sso computation * fix rest of sbo/sso calculation * make placement of uintptr_t cast consistent * separate check-inline into function
99 lines
2.7 KiB
TOML
99 lines
2.7 KiB
TOML
[info]
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type_name = "folly::small_vector"
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ctype = "SMALL_VEC_TYPE"
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header = "folly/small_vector.h"
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stub_template_params = [2]
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# Old:
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typeName = "folly::small_vector<"
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ns = ["folly::small_vector_policy::policy_size_type", "folly::small_vector"]
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numTemplateParams = 1
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replaceTemplateParamIndex = []
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[codegen]
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decl = """
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template <class V, std::size_t N, class P>
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void getSizeType(const %1%<V, N, P> &container, size_t& returnArg);
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"""
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func = """
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template <class V, std::size_t N, class P>
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void getSizeType(const %1%<V, N, P> &container, size_t& returnArg)
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{
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SAVE_SIZE(sizeof(%1%<V, N, P>));
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bool dataInlined = isStorageInline(container);
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if (dataInlined) {
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// Don't double count inlined elements
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SAVE_SIZE(-(container.size() * sizeof(V)));
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} else {
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// Account for wasted space in the buffer
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SAVE_SIZE((container.capacity() - container.size()) * sizeof(V));
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}
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SAVE_DATA((uintptr_t)(N));
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SAVE_DATA((uintptr_t)container.capacity());
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SAVE_DATA((uintptr_t)container.size());
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for (auto & it: container) {
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getSizeType(it, returnArg);
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}
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}
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"""
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traversal_func = """
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bool uses_intern_storage = isStorageInline(container);
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auto tail = returnArg
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.write((uintptr_t)uses_intern_storage)
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.write(container.capacity())
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.write(container.size());
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for (auto &&it: container) {
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tail = tail.delegate([&ctx, &it](typename TypeHandler<Ctx, T0>::type ret) {
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return OIInternal::getSizeType<Ctx>(ctx, it, ret);
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});
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}
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return tail.finish();
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"""
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[[codegen.processor]]
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type = "types::st::VarInt<DB>"
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func = """
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// Using the container's pointer to temporarily store the uses_intern_storage boolean.
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// TODO: Is there another way to pass a value across processors?
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el.pointer = std::get<ParsedData::VarInt>(d.val).value;
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"""
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[[codegen.processor]]
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type = "types::st::VarInt<DB>"
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func = """
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el.container_stats.emplace(result::Element::ContainerStats {
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.capacity = std::get<ParsedData::VarInt>(d.val).value,
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});
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"""
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[[codegen.processor]]
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type = "types::st::List<DB, typename TypeHandler<Ctx, T0>::type>"
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func = """
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// Reading the `uses_intern_storage` boolean that was stored in `pointer` by the processor above.
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bool uses_intern_storage = std::exchange(el.pointer.value(), (uintptr_t)0);
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auto list = std::get<ParsedData::List>(d.val);
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el.container_stats->length = list.length;
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if (uses_intern_storage) {
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// The storage is inlined, so don't double count for items using the intern storage.
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el.exclusive_size -= list.length * sizeof(T0);
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} else {
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// The storage is heap allocated, so add any unused capacity.
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el.exclusive_size += (el.container_stats->capacity - el.container_stats->length) * sizeof(T0);
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}
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static constexpr auto childField = make_field<Ctx, T0>("[]");
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for (size_t i = 0; i < list.length; i++)
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stack_ins(childField);
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"""
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