rust实现Brainfuck解释器的代码
时间: 2023-03-27 17:02:01 浏览: 72
我可以回答这个问题。以下是一个Rust实现的Brainfuck解释器的代码示例:
```rust
use std::io::{self, Read};
const MEMORY_SIZE: usize = 30000;
struct Interpreter {
memory: [u8; MEMORY_SIZE],
pointer: usize,
code: Vec<char>,
code_pointer: usize,
}
impl Interpreter {
fn new(code: Vec<char>) -> Interpreter {
Interpreter {
memory: [; MEMORY_SIZE],
pointer: ,
code,
code_pointer: ,
}
}
fn run(&mut self) {
while self.code_pointer < self.code.len() {
match self.code[self.code_pointer] {
'>' => self.pointer += 1,
'<' => self.pointer -= 1,
'+' => self.memory[self.pointer] += 1,
'-' => self.memory[self.pointer] -= 1,
'.' => print!("{}", self.memory[self.pointer] as char),
',' => {
let mut buffer = [];
io::stdin().read_exact(&mut buffer).unwrap();
self.memory[self.pointer] = buffer[];
}
'[' => {
if self.memory[self.pointer] == {
let mut count = 1;
while count > {
self.code_pointer += 1;
match self.code[self.code_pointer] {
'[' => count += 1,
']' => count -= 1,
_ => (),
}
}
}
}
']' => {
if self.memory[self.pointer] != {
let mut count = 1;
while count > {
self.code_pointer -= 1;
match self.code[self.code_pointer] {
'[' => count -= 1,
']' => count += 1,
_ => (),
}
}
}
}
_ => (),
}
self.code_pointer += 1;
}
}
}
fn main() {
let code = String::from("++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.").chars().collect();
let mut interpreter = Interpreter::new(code);
interpreter.run();
}
```
希望这个代码示例能够帮助你!