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blt-gp
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wow!

dev-func-drop
Brett 2025-01-14 15:32:57 -05:00
parent db0c7da8e7
commit f9aba7a7a6
3 changed files with 131 additions and 125 deletions
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2
CMakeLists.txt
View File

@ -27,7 +27,7 @@ macro(compile_options target_name)
sanitizers(${target_name}) sanitizers(${target_name})
endmacro() endmacro()
project(blt-gp VERSION 0.3.9) project(blt-gp VERSION 0.3.10)
include(CTest) include(CTest)

251
include/blt/gp/operations.h
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@ -29,30 +29,29 @@
namespace blt::gp namespace blt::gp
{ {
template <typename Return, typename... Args>
template<typename Return, typename... Args>
struct call_with struct call_with
{ {
template<blt::u64 index> template <u64 index>
[[nodiscard]] inline constexpr static blt::size_t getByteOffset() [[nodiscard]] constexpr static size_t getByteOffset()
{ {
blt::size_t offset = 0; size_t offset = 0;
blt::size_t current_index = 0; size_t current_index = 0;
((offset += (current_index++ > index ? stack_allocator::aligned_size<detail::remove_cv_ref<Args>>() : 0)), ...); ((offset += (current_index++ > index ? stack_allocator::aligned_size<detail::remove_cv_ref<Args>>() : 0)), ...);
// BLT_INFO("offset %ld for argument %ld", offset, index); (void) current_index;
return offset; return offset;
} }
template<blt::u64... indices> template <u64... indices>
void print_args(std::integer_sequence<blt::u64, indices...>) void print_args(std::integer_sequence<u64, indices...>)
{ {
BLT_INFO("Arguments:"); BLT_INFO("Arguments:");
(BLT_INFO("%ld: %s", indices, blt::type_string<Args>().c_str()), ...); (BLT_INFO("%ld: %s", indices, blt::type_string<Args>().c_str()), ...);
} }
template<typename Func, blt::u64... indices, typename... ExtraArgs> template <typename Func, u64... indices, typename... ExtraArgs>
inline static constexpr Return exec_sequence_to_indices(Func&& func, stack_allocator& allocator, std::integer_sequence<blt::u64, indices...>, static constexpr Return exec_sequence_to_indices(Func&& func, stack_allocator& allocator, std::integer_sequence<u64, indices...>,
ExtraArgs&& ... args) ExtraArgs&&... args)
{ {
//blt::size_t arg_size = (stack_allocator::aligned_size<detail::remove_cv_ref<Args>>() + ...); //blt::size_t arg_size = (stack_allocator::aligned_size<detail::remove_cv_ref<Args>>() + ...);
//BLT_TRACE(arg_size); //BLT_TRACE(arg_size);
@ -60,8 +59,8 @@ namespace blt::gp
return std::forward<Func>(func)(std::forward<ExtraArgs>(args)..., return std::forward<Func>(func)(std::forward<ExtraArgs>(args)...,
allocator.from<detail::remove_cv_ref<Args>>(getByteOffset<indices>())...); allocator.from<detail::remove_cv_ref<Args>>(getByteOffset<indices>())...);
} }
template<typename context = void, typename... NoCtxArgs> template <typename, typename... NoCtxArgs>
void call_destructors_without_first(stack_allocator& read_allocator) const void call_destructors_without_first(stack_allocator& read_allocator) const
{ {
if constexpr (sizeof...(NoCtxArgs) > 0) if constexpr (sizeof...(NoCtxArgs) > 0)
@ -69,9 +68,9 @@ namespace blt::gp
read_allocator.call_destructors<detail::remove_cv_ref<NoCtxArgs>...>(); read_allocator.call_destructors<detail::remove_cv_ref<NoCtxArgs>...>();
} }
} }
template<typename Func, typename... ExtraArgs> template <typename Func, typename... ExtraArgs>
Return operator()(const bool has_context, Func&& func, stack_allocator& read_allocator, ExtraArgs&& ... args) Return operator()(const bool has_context, Func&& func, stack_allocator& read_allocator, ExtraArgs&&... args)
{ {
constexpr auto seq = std::make_integer_sequence<u64, sizeof...(Args)>(); constexpr auto seq = std::make_integer_sequence<u64, sizeof...(Args)>();
#if BLT_DEBUG_LEVEL > 0 #if BLT_DEBUG_LEVEL > 0
@ -94,126 +93,132 @@ namespace blt::gp
#endif #endif
} }
}; };
template<typename Return, typename, typename... Args> template <typename Return, typename, typename... Args>
struct call_without_first : public call_with<Return, Args...> struct call_without_first : public call_with<Return, Args...>
{ {
using call_with<Return, Args...>::call_with; using call_with<Return, Args...>::call_with;
}; };
template<typename, typename> template <typename, typename>
class operation_t; class operation_t;
template<typename RawFunction, typename Return, typename... Args> template <typename RawFunction, typename Return, typename... Args>
class operation_t<RawFunction, Return(Args...)> class operation_t<RawFunction, Return(Args...)>
{ {
public: public:
using function_t = RawFunction; using function_t = RawFunction;
using First_Arg = typename blt::meta::arg_helper<Args...>::First; using First_Arg = typename blt::meta::arg_helper<Args...>::First;
constexpr operation_t(const operation_t& copy) = default;
constexpr operation_t(operation_t&& move) = default;
template<typename Functor>
constexpr explicit operation_t(const Functor& functor, std::optional<std::string_view> name = {}): func(functor), name(name)
{}
[[nodiscard]] constexpr inline Return operator()(stack_allocator& read_allocator) const
{
if constexpr (sizeof...(Args) == 0)
{
return func();
} else
{
return call_with<Return, Args...>()(false, func, read_allocator);
}
}
[[nodiscard]] constexpr inline Return operator()(void* context, stack_allocator& read_allocator) const
{
// should be an impossible state
if constexpr (sizeof...(Args) == 0)
{
BLT_ABORT("Cannot pass context to function without arguments!");
}
auto& ctx_ref = *static_cast<detail::remove_cv_ref<typename detail::first_arg<Args...>::type>*>(context);
if constexpr (sizeof...(Args) == 1)
{
return func(ctx_ref);
} else
{
return call_without_first<Return, Args...>()(true, func, read_allocator, ctx_ref);
}
}
template<typename Context>
[[nodiscard]] detail::operator_func_t make_callable() const
{
return [this](void* context, stack_allocator& read_allocator, stack_allocator& write_allocator) {
if constexpr (detail::is_same_v<Context, detail::remove_cv_ref<typename detail::first_arg<Args...>::type>>)
{
// first arg is context
write_allocator.push(this->operator()(context, read_allocator));
} else
{
// first arg isn't context
write_allocator.push(this->operator()(read_allocator));
}
};
}
[[nodiscard]] inline constexpr std::optional<std::string_view> get_name() const
{
return name;
}
inline constexpr const auto& get_function() const
{
return func;
}
auto set_ephemeral()
{
is_ephemeral_ = true;
return *this;
}
bool is_ephemeral() const
{
return is_ephemeral_;
}
bool return_has_drop() const constexpr operation_t(const operation_t& copy) = default;
constexpr operation_t(operation_t&& move) = default;
template <typename Functor>
constexpr explicit operation_t(const Functor& functor, std::optional<std::string_view> name = {}): func(functor), name(name)
{
}
[[nodiscard]] constexpr inline Return operator()(stack_allocator& read_allocator) const
{
if constexpr (sizeof...(Args) == 0)
{ {
return detail::has_func_drop_v<Return>; return func();
} }
else
operator_id id = -1; {
private: return call_with<Return, Args...>()(false, func, read_allocator);
function_t func; }
std::optional<std::string_view> name; }
bool is_ephemeral_ = false;
[[nodiscard]] constexpr inline Return operator()(void* context, stack_allocator& read_allocator) const
{
// should be an impossible state
if constexpr (sizeof...(Args) == 0)
{
BLT_ABORT("Cannot pass context to function without arguments!");
}
auto& ctx_ref = *static_cast<detail::remove_cv_ref<typename detail::first_arg<Args...>::type>*>(context);
if constexpr (sizeof...(Args) == 1)
{
return func(ctx_ref);
}
else
{
return call_without_first<Return, Args...>()(true, func, read_allocator, ctx_ref);
}
}
template <typename Context>
[[nodiscard]] detail::operator_func_t make_callable() const
{
return [this](void* context, stack_allocator& read_allocator, stack_allocator& write_allocator)
{
if constexpr (detail::is_same_v<Context, detail::remove_cv_ref<typename detail::first_arg<Args...>::type>>)
{
// first arg is context
write_allocator.push(this->operator()(context, read_allocator));
}
else
{
// first arg isn't context
write_allocator.push(this->operator()(read_allocator));
}
};
}
[[nodiscard]] inline constexpr std::optional<std::string_view> get_name() const
{
return name;
}
inline constexpr const auto& get_function() const
{
return func;
}
auto set_ephemeral()
{
is_ephemeral_ = true;
return *this;
}
bool is_ephemeral() const
{
return is_ephemeral_;
}
bool return_has_drop() const
{
return detail::has_func_drop_v<Return>;
}
operator_id id = -1;
private:
function_t func;
std::optional<std::string_view> name;
bool is_ephemeral_ = false;
}; };
template<typename RawFunction, typename Return, typename Class, typename... Args> template <typename RawFunction, typename Return, typename Class, typename... Args>
class operation_t<RawFunction, Return (Class::*)(Args...) const> : public operation_t<RawFunction, Return(Args...)> class operation_t<RawFunction, Return (Class::*)(Args...) const> : public operation_t<RawFunction, Return(Args...)>
{ {
public: public:
using operation_t<RawFunction, Return(Args...)>::operation_t; using operation_t<RawFunction, Return(Args...)>::operation_t;
}; };
template<typename Lambda> template <typename Lambda>
operation_t(Lambda) -> operation_t<Lambda, decltype(&Lambda::operator())>; operation_t(Lambda) -> operation_t<Lambda, decltype(&Lambda::operator())>;
template<typename Return, typename... Args> template <typename Return, typename... Args>
operation_t(Return(*)(Args...)) -> operation_t<Return(*)(Args...), Return(Args...)>; operation_t(Return (*)(Args...)) -> operation_t<Return(*)(Args...), Return(Args...)>;
template<typename Lambda> template <typename Lambda>
operation_t(Lambda, std::optional<std::string_view>) -> operation_t<Lambda, decltype(&Lambda::operator())>; operation_t(Lambda, std::optional<std::string_view>) -> operation_t<Lambda, decltype(&Lambda::operator())>;
template<typename Return, typename... Args> template <typename Return, typename... Args>
operation_t(Return(*)(Args...), std::optional<std::string_view>) -> operation_t<Return(*)(Args...), Return(Args...)>; operation_t(Return (*)(Args...), std::optional<std::string_view>) -> operation_t<Return(*)(Args...), Return(Args...)>;
} }
#endif //BLT_GP_OPERATIONS_H #endif //BLT_GP_OPERATIONS_H

3
include/blt/gp/stack.h
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@ -229,7 +229,8 @@ namespace blt::gp
if constexpr (sizeof...(Args) > 0) if constexpr (sizeof...(Args) > 0)
{ {
size_t offset = (aligned_size<NO_REF_T<Args>>() + ...) - aligned_size<NO_REF_T<typename meta::arg_helper<Args...>::First>>(); size_t offset = (aligned_size<NO_REF_T<Args>>() + ...) - aligned_size<NO_REF_T<typename meta::arg_helper<Args...>::First>>();
((call_drop<Args>(offset), offset -= aligned_size<NO_REF_T<Args>>()), ...); ((call_drop<Args>(offset + (gp::detail::has_func_drop_v<Args> ? sizeof(u64*) : 0)), offset -= aligned_size<NO_REF_T<Args>>()), ...);
(void) offset;
} }
} }