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51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
/**
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* Alee Forth: A portable and concise Forth implementation in modern C++.
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* Copyright (C) 2023 Clyne Sullivan <clyne@bitgloo.com>
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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 Lesser 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser 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 ALEEFORTH_TYPES_HPP
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#define ALEEFORTH_TYPES_HPP
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#include <cstdint>
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#include <string_view>
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struct State;
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using Addr = uint16_t;
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using Cell = int16_t;
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using Func = void (*)(State&);
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struct Word
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{
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Addr start = 0;
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Addr end = 0;
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unsigned size() const noexcept {
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return end - start;
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}
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};
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enum class ParseStatus
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{
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Finished,
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NotAWord
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};
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std::string_view to_string(ParseStatus);
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#endif // ALEEFORTH_TYPES_HPP
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