mirror of
https://github.com/TwilitRealm/dusklight
synced 2026-07-24 05:46:51 -04:00
Luke Street
cca104584e
Starting with VS 18 / cl 14.51, MSVC's constant evaluator rejects a pointer-to-member in a constant initializer that also contains any computed data, a consteval call or even a copy of a constexpr object (C2127). Hook records are now aggregate-initialized from literals only: the computed name bytes (vtable symbol + display name) are baked into char... template arguments and sizes/kinds are spelled inline.
93 lines
5.6 KiB
C++
93 lines
5.6 KiB
C++
#pragma once
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#include "mods/api.h"
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#include "mods/meta.hpp"
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#include <cstdint>
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#include <cstdio>
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#include <type_traits>
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namespace dusk::mods {
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template <class Service>
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struct ServiceTraits;
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inline ModResult set_error(ModError* outError, ModResult code, const char* message) {
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if (outError != nullptr && outError->struct_size >= sizeof(ModError)) {
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outError->code = code;
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outError->message[0] = '\0';
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if (message != nullptr) {
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std::snprintf(outError->message, sizeof(outError->message), "%s", message);
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}
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}
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return code;
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}
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} // namespace dusk::mods
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#define DEFINE_MOD() \
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extern "C" { \
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MOD_EXPORT ModContext* mod_ctx = nullptr; \
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} \
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MOD_META_RECORD static constinit ModMetaHeader mod_meta_header_record = \
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::dusk::mods::detail::make_header(); \
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MOD_META_BOUNDS_DEFN \
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extern "C" { \
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MOD_EXPORT constinit const ModMeta mod_meta = { \
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sizeof(ModMeta), \
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MOD_META_BOUNDS_BEGIN, \
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MOD_META_BOUNDS_END, \
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}; \
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}
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// Declares `static const service_type* variable`, filled in by the host before mod_initialize.
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// Required imports are guaranteed non-null (the mod fails to load otherwise); optional imports
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// must be checked against nullptr before use.
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#define IMPORT_SERVICE_EX( \
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service_type, variable, service_id_value, major_value, min_minor_value, flags_value) \
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static const service_type* variable = nullptr; \
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MOD_META_RECORD static constinit ModMetaImport mod_meta_import_##variable = { \
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{sizeof(ModMetaImport), MOD_META_IMPORT, static_cast<uint8_t>(flags_value)}, \
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static_cast<uint16_t>(major_value), \
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static_cast<uint16_t>(min_minor_value), \
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&(variable), \
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::dusk::mods::detail::make_service_id(service_id_value), \
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}
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#define IMPORT_SERVICE_VERSION(service_type, variable, min_minor_value) \
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IMPORT_SERVICE_EX(service_type, variable, ::dusk::mods::ServiceTraits<service_type>::id, \
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::dusk::mods::ServiceTraits<service_type>::major_version, min_minor_value, \
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SERVICE_IMPORT_REQUIRED)
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#define IMPORT_SERVICE(service_type, variable) IMPORT_SERVICE_VERSION(service_type, variable, 0)
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#define IMPORT_OPTIONAL_SERVICE_VERSION(service_type, variable, min_minor_value) \
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IMPORT_SERVICE_EX(service_type, variable, ::dusk::mods::ServiceTraits<service_type>::id, \
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::dusk::mods::ServiceTraits<service_type>::major_version, min_minor_value, \
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SERVICE_IMPORT_OPTIONAL)
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#define IMPORT_OPTIONAL_SERVICE(service_type, variable) \
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IMPORT_OPTIONAL_SERVICE_VERSION(service_type, variable, 0)
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#define EXPORT_SERVICE_AS(instance, service_id_value) \
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MOD_META_RECORD static constinit ModMetaExport mod_meta_export_##instance = { \
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{sizeof(ModMetaExport), MOD_META_EXPORT, SERVICE_EXPORT_STATIC}, \
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(instance).header.major_version, \
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(instance).header.minor_version, \
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&(instance), \
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::dusk::mods::detail::make_service_id(service_id_value), \
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}
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#define EXPORT_SERVICE(instance) \
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EXPORT_SERVICE_AS( \
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instance, ::dusk::mods::ServiceTraits<std::remove_cv_t<decltype(instance)>>::id)
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#define EXPORT_DEFERRED_SERVICE(token, service_id_value, major_value, minor_value) \
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MOD_META_RECORD static constinit ModMetaExport mod_meta_export_##token = { \
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{sizeof(ModMetaExport), MOD_META_EXPORT, SERVICE_EXPORT_DEFERRED}, \
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static_cast<uint16_t>(major_value), \
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static_cast<uint16_t>(minor_value), \
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nullptr, \
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::dusk::mods::detail::make_service_id(service_id_value), \
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}
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