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celerity / celerity-runtime / 9945915519

15 Jul 2024 08:07PM UTC coverage: 93.077% (-1.3%) from 94.362%
9945915519

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github

fknorr
Rename existing backend / executor -> legacy_backend / legacy_executor

Names 'backend' and 'executor' will be re-used, but we want to keep the
old APIs around in the meantime to keep changesets small.

3188 of 3687 branches covered (86.47%)

Branch coverage included in aggregate %.

17 of 23 new or added lines in 6 files covered. (73.91%)

95 existing lines in 8 files now uncovered.

7232 of 7508 relevant lines covered (96.32%)

169246.64 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

89.58
/include/utils.h
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#pragma once
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#include <algorithm>
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#include <cassert>
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#include <cstdint>
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#include <functional>
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#include <string>
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#include <tuple>
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#include <type_traits>
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#include <typeinfo>
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#include <fmt/format.h>
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#include "types.h"
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namespace celerity::detail::utils {
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/// Like std::move, but move-constructs the result so it does not reference the argument after returning.
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template <typename T>
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T take(T& from) {
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        return std::move(from);
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}
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template <typename T, typename P>
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bool isa(const P* p) {
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        return dynamic_cast<const T*>(p) != nullptr;
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}
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template <typename T, typename P>
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auto as(P* p) {
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        assert(isa<T>(p));
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        return static_cast<std::conditional_t<std::is_const_v<P>, const T*, T*>>(p);
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}
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template <typename BitMaskT>
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constexpr inline uint32_t popcount(const BitMaskT bit_mask) noexcept {
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        static_assert(std::is_integral_v<BitMaskT> && std::is_unsigned_v<BitMaskT>, "popcount argument needs to be an unsigned integer type.");
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        uint32_t counter = 0;
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        for(auto b = bit_mask; b; b >>= 1) {
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                counter += b & 1;
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        }
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        return counter;
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}
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// Implementation from Boost.ContainerHash, licensed under the Boost Software License, Version 1.0.
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inline void hash_combine(std::size_t& seed, std::size_t value) { seed ^= value + 0x9e3779b9 + (seed << 6) + (seed >> 2); }
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struct pair_hash {
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        template <typename U, typename V>
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        std::size_t operator()(const std::pair<U, V>& p) const {
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                std::size_t seed = 0;
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                hash_combine(seed, std::hash<U>{}(p.first));
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                hash_combine(seed, std::hash<V>{}(p.second));
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                return seed;
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        }
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};
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} // namespace celerity::detail::utils
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namespace celerity::detail::utils_detail {
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template <typename... Without, typename... ToKeep, typename T, typename... Ts>
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constexpr auto tuple_without_impl(const std::tuple<ToKeep...>& to_keep, const std::tuple<T, Ts...>& to_check) {
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        if constexpr((std::is_same_v<T, Without> || ...)) {
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                if constexpr(sizeof...(Ts) == 0) {
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                        return to_keep;
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                } else {
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                        return tuple_without_impl<Without...>(to_keep, std::tuple{std::get<Ts>(to_check)...});
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                }
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        } else {
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                if constexpr(sizeof...(Ts) == 0) {
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                        return std::tuple_cat(to_keep, to_check);
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                } else {
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                        return tuple_without_impl<Without...>(std::tuple_cat(to_keep, std::tuple{std::get<T>(to_check)}), std::tuple{std::get<Ts>(to_check)...});
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                }
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        }
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}
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template <typename Tuple, typename Callback>
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constexpr void tuple_for_each_pair_impl(const Tuple&, Callback&&, std::index_sequence<>) {}
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template <typename Tuple, size_t I1, size_t I2, size_t... Is, typename Callback>
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constexpr void tuple_for_each_pair_impl(const Tuple& tuple, const Callback& cb, std::index_sequence<I1, I2, Is...>) {
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        cb(std::get<I1>(tuple), std::get<I2>(tuple));
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        tuple_for_each_pair_impl(tuple, cb, std::index_sequence<Is...>{});
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}
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template <typename Container, typename Key, typename Enable = void>
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struct has_member_find : std::false_type {};
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template <typename Container, typename Key>
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struct has_member_find<Container, Key, std::void_t<decltype(std::declval<const Container&>().find(std::declval<const Key&>()))>> : std::true_type {};
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template <typename Container, typename Key>
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inline constexpr bool has_member_find_v = has_member_find<Container, Key>::value;
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} // namespace celerity::detail::utils_detail
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namespace celerity::detail::utils {
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/// See `utils::type_switch_t`.
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template <typename Lookup, typename... KVs>
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struct type_switch {};
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/// `switch` equivalent of `std::conditional_t`. Use as `utils::type_switch_t<lookup-type, key-type-1(result-type-1), key-type-2(result-type-2), ...>`
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template <typename Lookup, typename... KVs>
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using type_switch_t = typename type_switch<Lookup, KVs...>::type;
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template <typename MatchingKey, typename Value, typename... KVs>
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struct type_switch<MatchingKey, MatchingKey(Value), KVs...> {
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        using type = Value;
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};
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template <typename NonMatching, typename Key, typename Value, typename... KVs>
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struct type_switch<NonMatching, Key(Value), KVs...> {
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        using type = type_switch_t<NonMatching, KVs...>;
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};
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template <typename... Without, typename... Ts>
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constexpr auto tuple_without(const std::tuple<Ts...>& tuple) {
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        if constexpr(sizeof...(Ts) > 0) {
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                return utils_detail::tuple_without_impl<Without...>({}, tuple);
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        } else {
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                return tuple;
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        }
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}
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template <typename Tuple, typename Callback>
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constexpr void tuple_for_each_pair(const Tuple& tuple, const Callback& cb) {
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        static_assert(std::tuple_size_v<Tuple> % 2 == 0, "an even number of entries is required");
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        utils_detail::tuple_for_each_pair_impl(tuple, cb, std::make_index_sequence<std::tuple_size_v<Tuple>>{});
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}
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/// Fiddles out the base name of a (possibly templated) struct or class from a full (possibly mangled) type name.
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/// The input parameter should be `typeid(Struct*)`, i.e. a _pointer_ to the desired struct type.
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std::string get_simplified_type_name_from_pointer(const std::type_info& pointer_type_info);
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/// Fiddles out the base name of a (possibly templated) struct or class from a full (possibly mangled) type name.
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template <typename Struct>
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std::string get_simplified_type_name() {
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        // Using a pointer will also make this function work types that have no definitions, which commonly happens for kernel name type.
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        return get_simplified_type_name_from_pointer(typeid(Struct*));
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}
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/// Escapes "<", ">", and "&" with their corresponding HTML escape sequences
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std::string escape_for_dot_label(std::string str);
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/// Print the buffer id as either 'B1' or 'B1 "name"' (if `name` is non-empty)
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std::string make_buffer_debug_label(const buffer_id bid, const std::string& name = "");
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[[noreturn]] void unreachable();
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enum class panic_solution {
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        log_and_abort,     ///< default
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        throw_logic_error, ///< enabled in unit tests to detect and recover from panics
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};
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/// Globally and atomically sets the behavior of `utils::panic()`.
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void set_panic_solution(panic_solution solution);
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/// Either throws or aborts with a message, depending on the global `panic_solution` setting.
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[[noreturn]] void panic(const std::string& msg);
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/// Either throws or aborts with a message, depending on the global `panic_solution` setting.
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template <typename... FmtParams>
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[[noreturn]] void panic(fmt::format_string<FmtParams...> fmt_string, FmtParams&&... fmt_args) {
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        // TODO also receive a std::source_location with C++20.
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        panic(fmt::format(fmt_string, std::forward<FmtParams>(fmt_args)...));
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}
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/// Ignores, logs, or panics on an error depending on the `error_policy`.
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void report_error(const error_policy policy, const std::string& msg);
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/// Ignores, logs, or panics on an error depending on the `error_policy`.
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template <typename... FmtParams, std::enable_if_t<sizeof...(FmtParams) >= 1, int> = 0>
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void report_error(const error_policy policy, const fmt::format_string<FmtParams...> fmt_string, FmtParams&&... fmt_args) {
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        // TODO also receive a std::source_location with C++20.
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        if(policy != error_policy::ignore) { report_error(policy, fmt::format(fmt_string, std::forward<FmtParams>(fmt_args)...)); }
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}
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template <typename Container>
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Container set_intersection(const Container& lhs, const Container& rhs) {
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        using std::begin, std::end;
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        assert(std::is_sorted(begin(lhs), end(lhs)));
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        assert(std::is_sorted(begin(rhs), end(rhs)));
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        Container intersection;
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        std::set_intersection(begin(lhs), end(lhs), begin(rhs), end(rhs), std::back_inserter(intersection));
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        return intersection;
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}
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template <typename Container, typename Key>
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bool contains(const Container& container, const Key& key) {
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        using std::begin, std::end;
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        if constexpr(utils_detail::has_member_find_v<Container, Key>) {
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                return container.find(key) != end(container);
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        } else {
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                return std::find(begin(container), end(container), key) != end(container);
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        }
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}
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} // namespace celerity::detail::utils
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