mirror of
https://github.com/JakeHillion/object-introspection.git
synced 2024-11-12 21:56:54 +00:00
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
87 lines
1.9 KiB
TOML
87 lines
1.9 KiB
TOML
[info]
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type_name = "std::optional"
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ctype = "OPTIONAL_TYPE"
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header = "optional"
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# Old:
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typeName = "std::optional<"
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ns = ["namespace std"]
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numTemplateParams = 1
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[codegen]
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decl = """
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template<typename T>
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void getSizeType(const %1%<T> &container, size_t& returnArg);
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"""
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func = """
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template <typename T>
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void getSizeType(const %1%<T>& container, size_t& returnArg) {
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if (container) {
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SAVE_SIZE(sizeof(%1%<T>) - sizeof(T));
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SAVE_DATA(true);
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getSizeType(*container, returnArg);
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} else {
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SAVE_SIZE(sizeof(%1%<T>));
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SAVE_DATA(false);
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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>
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struct TypeHandler<DB, %1%<T0>> {
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using type = types::st::Sum<DB,
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types::st::Unit<DB>,
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typename TypeHandler<DB, T0>::type
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>;
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static types::st::Unit<DB> getSizeType(
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const %1%<T0>& container,
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typename TypeHandler<DB, %1%<T0>>::type returnArg) {
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if (container) {
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return returnArg.template delegate<1>([&container](auto ret) {
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return OIInternal::getSizeType<DB>(*container, ret);
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});
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} else {
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return returnArg.template delegate<0>(std::identity());
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}
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}
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};
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"""
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traversal_func = """
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if (container.has_value()) {
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return returnArg.template delegate<1>([&container](auto ret) {
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return OIInternal::getSizeType<DB>(*container, ret);
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});
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} else {
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return returnArg.template delegate<0>(std::identity());
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}
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"""
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[[codegen.processor]]
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type = "types::st::Sum<DB, types::st::Unit<DB>, typename TypeHandler<DB, T0>::type>"
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func = """
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static constexpr std::array<std::string_view, 1> names{"TODO"};
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static constexpr auto elementField = inst::Field{
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sizeof(T0),
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"el",
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names,
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TypeHandler<DB, T0>::fields,
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TypeHandler<DB, T0>::processors,
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};
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auto sum = std::get<ParsedData::Sum>(d.val);
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el.container_stats = result::Element::ContainerStats {
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.capacity = 1,
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.length = sum.index,
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};
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if (sum.index == 1) {
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el.exclusive_size -= sizeof(T0);
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stack_ins(elementField);
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}
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"""
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