116 lines
3.3 KiB
C++
116 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 LILFBTF5_TREE_H
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#define LILFBTF5_TREE_H
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#include <blt/std/any.h>
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#include <functional>
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#include "blt/std/ranges.h"
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#include "blt/std/allocator.h"
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#include <lilfbtf/fwddecl.h>
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namespace fb
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{
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class func_t
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{
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private:
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blt::size_t argc_ = 0;
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type_id type;
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const func_t_call_t& func;
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protected:
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blt::unsafe::any_t value;
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public:
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explicit func_t(blt::size_t argc, const func_t_call_t& func, type_id type):
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argc_(argc), type(type), func(func)
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{}
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[[nodiscard]] inline blt::size_t argc() const
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{ return argc_; }
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[[nodiscard]] inline blt::unsafe::any_t getValue() const
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{
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return value;
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}
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inline func_t& setValue(blt::unsafe::any_t val)
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{
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this->value = val;
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return *this;
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}
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[[nodiscard]] inline type_id getType() const
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{
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return type;
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}
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inline void call(blt::span<detail::node_t*> args)
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{
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func(*this, args);
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};
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~func_t() = default;
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};
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namespace detail
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{
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class node_t
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{
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friend tree_t;
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private:
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blt::bump_allocator<blt::BLT_2MB_SIZE, false>& alloc;
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func_t type;
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node_t** children = nullptr;
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public:
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explicit node_t(const func_t& type, blt::bump_allocator<blt::BLT_2MB_SIZE, false>& alloc): alloc(alloc), type(type)
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{
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children = alloc.emplace_many<node_t*>(this->type.argc());
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for (blt::size_t i = 0; i < this->type.argc(); i++)
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children[i] = nullptr;
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}
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inline void evaluate()
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{
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type.call(blt::span<node_t*>{children, type.argc()});
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}
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~node_t()
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{
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for (blt::size_t i = 0; i < type.argc(); i++)
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{
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alloc.destroy(children[i]);
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alloc.deallocate(children[i]);
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}
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alloc.deallocate(children, type.argc());
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}
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};
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}
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class tree_t
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{
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private:
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blt::bump_allocator<blt::BLT_2MB_SIZE, false>& alloc;
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public:
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};
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}
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#endif //LILFBTF5_TREE_H
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