77 lines
1.6 KiB
C++
77 lines
1.6 KiB
C++
#pragma once
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/*
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* Created by Brett on 17/11/23.
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* Licensed under GNU General Public License V3.0
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* See LICENSE file for license detail
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*/
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#ifndef BRAINFUCK_MISC_BF_INTERPRETER_H
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#define BRAINFUCK_MISC_BF_INTERPRETER_H
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#include <cstdint>
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#include <cstring>
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#include <string>
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#include <bf_tokenizer.h>
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class brainfuck_interpreter
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{
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private:
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size_t _size;
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size_t _dp;
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char* _data;
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void check_size();
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public:
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brainfuck_interpreter(): _size(30000), _dp(0), _data(new char[_size])
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{std::memset(_data, 0, _size);}
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void increment_dp(size_t amount = 1)
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{
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_dp += amount;
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}
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void decrement_dp(size_t amount = 1)
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{
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_dp -= amount;
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}
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void increment(char amount = 1)
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{
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check_size();
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_data[_dp] += amount;
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}
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void decrement(char amount = 1)
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{
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check_size();
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_data[_dp] -= amount;
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}
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template<typename OutStream>
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void print(OutStream& stream)
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{
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stream << _data[_dp];
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}
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template<typename InStream>
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void read(InStream& stream)
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{
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_data[_dp] = stream.get();
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}
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char is()
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{
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return _data[_dp];
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}
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~brainfuck_interpreter()
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{ delete[] _data; }
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};
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void interpret_bf(const std::string& program);
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void interpret_bf(bf_tokenizer& tokenizer);
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void interpret_bf_test(bf_tokenizer& tokenizer);
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#endif //BRAINFUCK_MISC_BF_INTERPRETER_H
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