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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
3 months ago
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// sprit-forth: A portable subroutine-threaded Forth.
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// Copyright (C) 2024 Clyne Sullivan <clyne@bitgloo.com>
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Library General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or (at your
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// option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for
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// more details.
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//
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// You should have received a copy of the GNU Library General Public License
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// along with this library; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef EXECUTOR_HPP
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#define EXECUTOR_HPP
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#include "types.hpp"
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#include <csetjmp>
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class Executor
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{
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std::jmp_buf jmpbuf;
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public:
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FuncList ip = nullptr;
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/**
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* Begins execution with the given function pointer list.
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* @param list Function pointer list to execute
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*/
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[[nodiscard]]
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Error executor(FuncList *list) noexcept;
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/**
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* Executes the given word by calling executor on its definition.
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* @param word The word to execute
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*/
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[[nodiscard]]
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Error execute1(Word *word) noexcept;
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[[noreturn]]
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void terminate(Error error) noexcept;
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};
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extern Executor Exec;
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#endif // EXECUTOR_HPP
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