123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
#pragma once
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/*
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* Copyright (C) 2024 Brett Terpstra
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef BLT_GP_TREE_H
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#define BLT_GP_TREE_H
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#include <blt/gp/typesystem.h>
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#include <blt/gp/stack.h>
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#include <blt/gp/fwdecl.h>
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#include <blt/std/types.h>
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#include <utility>
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#include <stack>
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namespace blt::gp
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{
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struct op_container_t
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{
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op_container_t(detail::callable_t& func, detail::transfer_t& transfer, bool is_value):
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func(func), transfer(transfer), is_value(is_value)
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{}
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detail::callable_t& func;
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detail::transfer_t& transfer;
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bool is_value;
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};
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class evaluation_context
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{
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friend class tree_t;
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private:
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explicit evaluation_context()
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{}
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blt::gp::stack_allocator values;
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};
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class tree_t
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{
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public:
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[[nodiscard]] inline std::vector<op_container_t>& get_operations()
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{
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return operations;
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}
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[[nodiscard]] inline const std::vector<op_container_t>& get_operations() const
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{
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return operations;
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}
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[[nodiscard]] inline blt::gp::stack_allocator& get_values()
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{
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return values;
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}
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evaluation_context evaluate(void* context);
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/**
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* Helper template for returning the result of the last evaluation
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*/
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template<typename T>
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T get_evaluation_value(evaluation_context& context)
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{
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return context.values.pop<T>();
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}
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/**
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* Helper template for returning the result of the last evaluation
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*/
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template<typename T>
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T& get_evaluation_ref(evaluation_context& context)
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{
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return context.values.from<T>(0);
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}
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/**
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* Helper template for returning the result of evaluation (this calls it)
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*/
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template<typename T>
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T get_evaluation_value(void* context)
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{
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auto results = evaluate(context);
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return results.values.pop<T>();
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}
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private:
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std::vector<op_container_t> operations;
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blt::gp::stack_allocator values;
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blt::size_t depth;
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};
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class population_t
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{
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public:
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std::vector<tree_t>& getIndividuals()
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{
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return individuals;
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}
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private:
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std::vector<tree_t> individuals;
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};
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}
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#endif //BLT_GP_TREE_H
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