mirror of
https://github.com/JakeHillion/object-introspection.git
synced 2024-09-19 19:19:05 +01:00
d71307cb43
Summary: Previously on large types OIL would have problems with corrupting the `std::stack<exporter::inst::Inst>` that is passed to the processors. This change hides the implementation of the stack from the processors by wrapping the call to emplace in a `std::function` written by the non-generated code, which solves the test case I've seen for this crashing. It also allows us to easily change the stack implementation in future - I plan to change it to a `std::stack<T, std::vector<T>>` in a follow up. Reviewed By: tyroguru Differential Revision: D49273116
107 lines
2.8 KiB
TOML
107 lines
2.8 KiB
TOML
[info]
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type_name = "std::vector"
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stub_template_params = [1]
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header = "vector"
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# Old:
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ctype = "SEQ_TYPE"
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typeName = "std::vector<"
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ns = ["namespace std"]
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numTemplateParams = 1
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allocatorIndex = 1
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[codegen]
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decl = """
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template<typename T, typename Allocator>
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void getSizeType(const %1%<T, Allocator> &container, size_t& returnArg);
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"""
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func = """
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template<typename T, typename Allocator>
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void getSizeType(const %1%<T, Allocator> &container, size_t& returnArg)
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{
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SAVE_SIZE(sizeof(%1%<T>));
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SAVE_DATA((uintptr_t)&container);
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SAVE_DATA((uintptr_t)container.capacity());
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SAVE_DATA((uintptr_t)container.size());
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SAVE_SIZE((container.capacity() - container.size()) * sizeof(T));
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// The double ampersand is needed otherwise this loop doesn't work with vector<bool>
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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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handler = """
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template <typename DB, typename T0, typename T1>
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struct TypeHandler<DB, %1%<T0, T1>> {
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using type = types::st::Pair<
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DB, types::st::VarInt<DB>,
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types::st::Pair<
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DB, types::st::VarInt<DB>,
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types::st::List<DB, typename TypeHandler<DB, T0>::type>>>;
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static types::st::Unit<DB> getSizeType(
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const %1%<T0, T1> & container,
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typename TypeHandler<DB, %1%<T0, T1>>::type returnArg) {
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auto tail = returnArg.write((uintptr_t)&container)
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.write(container.capacity())
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.write(container.size());
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// The double ampersand is needed otherwise this loop doesn't work with
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// vector<bool>
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for (auto&& it : container) {
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tail = tail.delegate([&it](auto ret) {
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return OIInternal::getSizeType<DB>(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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};
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"""
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traversal_func = """
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auto tail = returnArg.write((uintptr_t)&container)
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.write(container.capacity())
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.write(container.size());
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// The double ampersand is needed otherwise this loop doesn't work with
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// vector<bool>
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for (auto&& it : container) {
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tail = tail.delegate([&it](auto ret) {
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return OIInternal::getSizeType<DB>(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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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{ .capacity = std::get<ParsedData::VarInt>(d.val).value });
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"""
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[[codegen.processor]]
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type = "types::st::List<DB, typename TypeHandler<DB, T0>::type>"
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func = """
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static constexpr auto childField = make_field<DB, T0>("[]");
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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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el.exclusive_size += (el.container_stats->capacity - el.container_stats->length) * sizeof(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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