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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_TYPES_HPP
#define ALEEFORTH_TYPES_HPP
#include <cstdint>
struct State;
using Addr = uint16_t;
using Cell = int16_t;
using DoubleCell = int32_t;
using Func = void (*)(State&);
constexpr unsigned int MaxCellNumberChars = 6; // -32768
struct Word
{
Addr start = 0;
Addr end = 0;
unsigned size() const noexcept {
return end - start;
}
};
#endif // ALEEFORTH_TYPES_HPP
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