AuroraInterfaces/Include/AuroraInterfaces.hpp

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8.5 KiB
C++

/***-
Copyright (C) 2021 J Reece Wilson (a/k/a "Reece").
Licensed under the Unlicense license // Public Domain
File: AuroraInterfaces.hpp
Date: 2021-6-10
Author: Reece
Project: https://git.reece.sx/AuroraSupport/AuroraInterfaces, https://git.reece.sx/AuroraSupport/AuroraRuntime
Note: Aurora Runtime will ship with its own implementation of this
***/
#pragma once
#if defined(AURORA_RUNTIME_AU_FUNC)
template<class T>
using AuiFunction = AURORA_RUNTIME_AU_FUNC<T>;
#elif defined(AUI_FUNC)
template<class T>
using AuiFunction = AUI_FUNC<T>;
#else
#include <functional>
template<class T>
using AuiFunction = std::function<T>;
#endif
#define AUI_BRACKET_SCOPE(...) __VA_ARGS__
#define AUI_EXPAND_PARAMS_JOINER_A(a, b) a b
#define AUI_EXPAND_PARAMS_JOINER_B(a, b) , a b
#define AUI_EXPAND_PARAMS(...) AU_FOR_EACH_FIRST_2(AUI_EXPAND_PARAMS_JOINER_A, AUI_EXPAND_PARAMS_JOINER_B, __VA_ARGS__)
#define AUI_EXPAND_PARAMS_TYPES_JOINER_A(a, b) a
#define AUI_EXPAND_PARAMS_TYPES_JOINER_B(a, b) , a
#define AUI_EXPAND_PARAMS_TYPES(...) AU_FOR_EACH_FIRST_2(AUI_EXPAND_PARAMS_TYPES_JOINER_A, AUI_EXPAND_PARAMS_TYPES_JOINER_B, __VA_ARGS__)
#define AUI_EXPAND_PARAMS_PARAMS_JOINER_A(a, b) b
#define AUI_EXPAND_PARAMS_PARAMS_JOINER_B(a, b) , b
#define AUI_EXPAND_PARAMS_PARAMS(...) AU_FOR_EACH_FIRST_2(AUI_EXPAND_PARAMS_PARAMS_JOINER_A, AUI_EXPAND_PARAMS_PARAMS_JOINER_B, __VA_ARGS__)
#define AUI_METHOD_IMPL(ret, name, params) virtual ret name(AUI_EXPAND_PARAMS params) = 0;
#define AUI_METHOD_FUNCTIONAL_IMPL(ret, name, params) \
name ## _t name ## Functional; \
inline virtual ret name (AUI_EXPAND_PARAMS params) override \
{ \
if (!name ## Functional) \
{ \
return ret(); \
} \
return name ## Functional(AUI_EXPAND_PARAMS_PARAMS params); \
}
#define AUI_METHOD_FUNCTIONAL_TYPEDEF(ret, name, params) \
using name ## _t = AuiFunction<ret(AUI_EXPAND_PARAMS_TYPES params)>;
#define AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL(ret, name, params) \
name ## _t name ## Functional
#define AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL_CREF(ret, name, params) \
const name ## _t &name ## Functional
#define AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL_REF(ret, name, params) \
name ## _t && name ## Functional
#define AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_BASE_A(ret, name, params) AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL_CREF(ret, name, params)
#define AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_BASE_B(ret, name, params) , AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL_CREF(ret, name, params)
#define AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_REF_A(ret, name, params) AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL_REF(ret, name, params)
#define AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_REF_B(ret, name, params) , AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL_REF(ret, name, params)
#define AUI_METHOD_PROTOTYPE_ASSIGN(ret, name, params) \
name ## Functional(name ## Functional)
#define AUI_METHOD_FUNCTIONAL_ASSIGN_A(ret, name, params) : AUI_METHOD_PROTOTYPE_ASSIGN(ret, name, params)
#define AUI_METHOD_FUNCTIONAL_ASSIGN_B(ret, name, params) , AUI_METHOD_PROTOTYPE_ASSIGN(ret, name, params)
#define AUI_METHOD_FUNCTIONAL_FWD(ret, name, params) \
AUI_METHOD_PROTOTYPE_TO_FUNCTIONAL(ret, name, params); \
virtual ret name (AUI_EXPAND_PARAMS params) override;
#define AUI_DEFINE_INTERFACE_START_STRUCT(name, ...) struct name \
{ \
AU_FOR_EACH_3(AUI_METHOD_IMPL, __VA_ARGS__) \
};
#define AUI_DEFINE_INTERFACE_START_FUNCTIONAL_BASE(tmpl, name, ...) struct name ## Functional : name \
{ \
AU_FOR_EACH_3(AUI_METHOD_FUNCTIONAL_TYPEDEF, __VA_ARGS__) \
inline name ## Functional () {} \
inline ~name ## Functional () {} \
inline name ## Functional (AU_FOR_EACH_FIRST_3(AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_BASE_A, AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_BASE_B, __VA_ARGS__)) \
AU_FOR_EACH_FIRST_3(AUI_METHOD_FUNCTIONAL_ASSIGN_A, AUI_METHOD_FUNCTIONAL_ASSIGN_B, __VA_ARGS__) \
{} \
inline name ## Functional (AU_FOR_EACH_FIRST_3(AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_REF_A, AUI_METHOD_FUNCTIONAL_CTOR_PARAMS_REF_B, __VA_ARGS__)) \
AU_FOR_EACH_FIRST_3(AUI_METHOD_FUNCTIONAL_ASSIGN_A, AUI_METHOD_FUNCTIONAL_ASSIGN_B, __VA_ARGS__) \
{} \
AU_FOR_EACH_3(tmpl, __VA_ARGS__) \
};
#define AUI_DEFINE_INTERFACE_START_CPP_WRAPPER_FWD(name, ...) AUI_DEFINE_INTERFACE_START_FUNCTIONAL_BASE(AUI_METHOD_FUNCTIONAL_IMPL, name, __VA_ARGS__)
#define AUI_DEFINE_INTERFACE_START_CPP_WRAPPER_IMPL(name, ...) AUI_DEFINE_INTERFACE_START_FUNCTIONAL_BASE(AUI_METHOD_FUNCTIONAL_IMPL, name, __VA_ARGS__)
#define AUI_METHOD(returnValue, name, parameters) returnValue, name, parameters
/// Not recommended. This will make your code unnecessarily ugly
#define AUI_PARAMS(...) (__VA_ARGS__)
/// @deprecated
#define AUI_METHODS(...) AUI_BRACKET_SCOPE(__VA_ARGS__)
#define AUI_PIN_ODR(name) static const name ## Functional AU_CONCAT(_Zignoreme_aui, __COUNTER__);
/// Entrypoint into Aurora Interfaces | Forward declare type
#define AUI_INTERFACE_FWD(name, ...) AUI_DEFINE_INTERFACE_START_STRUCT(name, __VA_ARGS__) AUI_DEFINE_INTERFACE_START_CPP_WRAPPER_FWD(name, __VA_ARGS__)
/// Entrypoint into Aurora Interfaces | Forward declare and define in a single translation unit
#define AUI_INTERFACE_IMPL AUI_INTERFACE_FWD //(name, ...) AUI_DEFINE_INTERFACE_START_STRUCT(name, __VA_ARGS__) AUI_DEFINE_INTERFACE_START_CPP_WRAPPER_IMPL(name, __VA_ARGS__) AUI_PIN_ODR(name)
#define AUI_INTERFACE AUI_INTERFACE_FWD