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/**
* Alee Forth: A portable and concise Forth implementation in modern C++.
* Copyright (C) 2023 Clyne Sullivan <clyne@bitgloo.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef ALEEFORTH_DICTIONARY_HPP
#define ALEEFORTH_DICTIONARY_HPP
#include "types.hpp"
#include <cstddef>
#include <string_view>
class Dictionary
{
public:
Addr here = 1; // address zero will be used for BASE.
Addr latest = 0;
virtual Cell read(Addr) const = 0;
virtual int write(Addr, Cell) = 0;
Addr allot(Cell);
void add(Cell);
void addDefinition(std::string_view);
Addr find(std::string_view);
Addr getexec(Addr);
private:
bool issame(Addr, std::string_view, std::size_t);
};
#endif // ALEEFORTH_DICTIONARY_HPP
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