code. compile. run. debug. share.
const fs = require("fs/promises");
// kod pobierania znaku
const getChar = `
const readline = require('readline');
function getChar() {
return new Promise((resolve) => {
readline.emitKeypressEvents(process.stdin);
process.stdin.resume();
process.stdin.setRawMode(true);
process.stdin.once('keypress', (string, key) => {
if (key.ctrl && key.name === 'c') {
process.exit();
}
process.stdin.pause();
process.stdin.setRawMode(false);
resolve(string.charCodeAt(0));
});
});
}
`;
// kod inicjalizujący
const init = `
const memory = new Array(30000).fill(0);
let pointer = 0;
(async () => {
`;
// kod kończący aplikację
const end = `
})();
`;
// mapa symbol BF -> instrukcja JS
const symbolToJs = {
">": "pointer++;",
"<": "pointer--;",
"+": "memory[pointer]++;",
"-": "memory[pointer]--;",
".": "process.stdout.write(String.fromCharCode(memory[pointer]));",
",": "memory[pointer] = await getChar();",
"[": "while (memory[pointer] !== 0) {",
"]": "}",
};
async function bfToJs(bfCode) {
// zmienna przechowująca kod w JavaScript
let result = "";
if (bfCode.includes(",")) {
// kod pobierania znaku dodajemy tylko, jeśli jest potrzebny
result += getChar;
}
// dodajemy kod inicjalizujący aplikację
result += init;
// iterujemy po kolejnych znakach aby je przekonwertować
for (let i = 0; i < bfCode.length; i++) {
// pobieramy instrukcję dla aktualnego znaku
const instruction = symbolToJs[bfCode[i]];
// jeśli symbol był prawidłowy, dodajemy instrukcję kodu
if (instruction) {
result += instruction;
}
}
// dodajemy kod zakańczający aplikację
result += end;
// zwracamy kod
return result;
}
async function generateBfFile(bfCode, filename) {
// generujemy kod w JavaScript
const jsCode = await bfToJs(bfCode);
// zapisujemy kod w pliku
await fs.writeFile(filename, jsCode);
console.log(`Plik ${filename} zapisano pomyślnie!`);
}
(async () => {
// prosty Hello World
await generateBfFile(
`
H: ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++.
e: +++++++++++++++++++++++++++++.
l: +++++++.
l: .
o: +++.
spacja: -------------------------------------------------------------------------------.
W: +++++++++++++++++++++++++++++++++++++++++++++++++++++++.
o: ++++++++++++++++++++++++.
r: +++.
l: ------.
d: --------.
`,
"hello1.js",
);
// zaawansowany Hello World, https://en.wikipedia.org/wiki/Brainfuck#Hello_World!
await generateBfFile(
"++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.",
"hello2.js",
);
// ROT13, https://en.wikipedia.org/wiki/Brainfuck#ROT13
await generateBfFile(
`
-,+[ Read first character and start outer character reading loop
-[ Skip forward if character is 0
>>++++[>++++++++<-] Set up divisor (32) for division loop
(MEMORY LAYOUT: dividend copy remainder divisor quotient zero zero)
<+<-[ Set up dividend (x minus 1) and enter division loop
>+>+>-[>>>] Increase copy and remainder / reduce divisor / Normal case: skip forward
<[[>+<-]>>+>] Special case: move remainder back to divisor and increase quotient
<<<<<- Decrement dividend
] End division loop
]>>>[-]+ End skip loop; zero former divisor and reuse space for a flag
>--[-[<->+++[-]]]<[ Zero that flag unless quotient was 2 or 3; zero quotient; check flag
++++++++++++<[ If flag then set up divisor (13) for second division loop
(MEMORY LAYOUT: zero copy dividend divisor remainder quotient zero zero)
>-[>+>>] Reduce divisor; Normal case: increase remainder
>[+[<+>-]>+>>] Special case: increase remainder / move it back to divisor / increase quotient
<<<<<- Decrease dividend
] End division loop
>>[<+>-] Add remainder back to divisor to get a useful 13
>[ Skip forward if quotient was 0
-[ Decrement quotient and skip forward if quotient was 1
-<<[-]>> Zero quotient and divisor if quotient was 2
]<<[<<->>-]>> Zero divisor and subtract 13 from copy if quotient was 1
]<<[<<+>>-] Zero divisor and add 13 to copy if quotient was 0
] End outer skip loop (jump to here if ((character minus 1)/32) was not 2 or 3)
<[-] Clear remainder from first division if second division was skipped
<.[-] Output ROT13ed character from copy and clear it
<-,+ Read next character
] End character reading loop
`,
"rot13.js",
);
})();
const memory = new Array(30000).fill(0);
let pointer = 0;
(async () => {
memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;process.stdout.write(String.fromCharCode(memory[pointer]));
})();
const memory = new Array(30000).fill(0);
let pointer = 0;
(async () => {
memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;while (memory[pointer] !== 0) {pointer++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;while (memory[pointer] !== 0) {pointer++;memory[pointer]++;memory[pointer]++;pointer++;memory[pointer]++;memory[pointer]++;memory[pointer]++;pointer++;memory[pointer]++;memory[pointer]++;memory[pointer]++;pointer++;memory[pointer]++;pointer--;pointer--;pointer--;pointer--;memory[pointer]--;}pointer++;memory[pointer]++;pointer++;memory[pointer]++;pointer++;memory[pointer]--;pointer++;pointer++;memory[pointer]++;while (memory[pointer] !== 0) {pointer--;}pointer--;memory[pointer]--;}pointer++;pointer++;process.stdout.write(String.fromCharCode(memory[pointer]));pointer++;memory[pointer]--;memory[pointer]--;memory[pointer]--;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));pointer++;pointer++;process.stdout.write(String.fromCharCode(memory[pointer]));pointer--;memory[pointer]--;process.stdout.write(String.fromCharCode(memory[pointer]));pointer--;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;process.stdout.write(String.fromCharCode(memory[pointer]));memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;memory[pointer]--;process.stdout.write(String.fromCharCode(memory[pointer]));pointer++;pointer++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));pointer++;memory[pointer]++;memory[pointer]++;process.stdout.write(String.fromCharCode(memory[pointer]));
})();
const readline = require('readline');
function getChar() {
return new Promise((resolve) => {
readline.emitKeypressEvents(process.stdin);
process.stdin.resume();
process.stdin.setRawMode(true);
process.stdin.once('keypress', (string, key) => {
if (key.ctrl && key.name === 'c') {
process.exit();
}
process.stdin.pause();
process.stdin.setRawMode(false);
resolve(string.charCodeAt(0));
});
});
}
const memory = new Array(30000).fill(0);
let pointer = 0;
(async () => {
memory[pointer]--;memory[pointer] = await getChar();memory[pointer]++;while (memory[pointer] !== 0) {memory[pointer]--;while (memory[pointer] !== 0) {pointer++;pointer++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;while (memory[pointer] !== 0) {pointer++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;pointer--;memory[pointer]--;}pointer--;memory[pointer]++;pointer--;memory[pointer]--;while (memory[pointer] !== 0) {pointer++;memory[pointer]++;pointer++;memory[pointer]++;pointer++;memory[pointer]--;while (memory[pointer] !== 0) {pointer++;pointer++;pointer++;}pointer--;while (memory[pointer] !== 0) {while (memory[pointer] !== 0) {pointer++;memory[pointer]++;pointer--;memory[pointer]--;}pointer++;pointer++;memory[pointer]++;pointer++;}pointer--;pointer--;pointer--;pointer--;pointer--;memory[pointer]--;}}pointer++;pointer++;pointer++;while (memory[pointer] !== 0) {memory[pointer]--;}memory[pointer]++;pointer++;memory[pointer]--;memory[pointer]--;while (memory[pointer] !== 0) {memory[pointer]--;while (memory[pointer] !== 0) {pointer--;memory[pointer]--;pointer++;memory[pointer]++;memory[pointer]++;memory[pointer]++;while (memory[pointer] !== 0) {memory[pointer]--;}}}pointer--;while (memory[pointer] !== 0) {memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;memory[pointer]++;pointer--;while (memory[pointer] !== 0) {pointer++;memory[pointer]--;while (memory[pointer] !== 0) {pointer++;memory[pointer]++;pointer++;pointer++;}pointer++;while (memory[pointer] !== 0) {memory[pointer]++;while (memory[pointer] !== 0) {pointer--;memory[pointer]++;pointer++;memory[pointer]--;}pointer++;memory[pointer]++;pointer++;pointer++;}pointer--;pointer--;pointer--;pointer--;pointer--;memory[pointer]--;}pointer++;pointer++;while (memory[pointer] !== 0) {pointer--;memory[pointer]++;pointer++;memory[pointer]--;}pointer++;while (memory[pointer] !== 0) {memory[pointer]--;while (memory[pointer] !== 0) {memory[pointer]--;pointer--;pointer--;while (memory[pointer] !== 0) {memory[pointer]--;}pointer++;pointer++;}pointer--;pointer--;while (memory[pointer] !== 0) {pointer--;pointer--;memory[pointer]--;pointer++;pointer++;memory[pointer]--;}pointer++;pointer++;}pointer--;pointer--;while (memory[pointer] !== 0) {pointer--;pointer--;memory[pointer]++;pointer++;pointer++;memory[pointer]--;}}pointer--;while (memory[pointer] !== 0) {memory[pointer]--;}pointer--;process.stdout.write(String.fromCharCode(memory[pointer]));while (memory[pointer] !== 0) {memory[pointer]--;}pointer--;memory[pointer]--;memory[pointer] = await getChar();memory[pointer]++;}
})();
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
| # | Function | File:Line |
|---|
| Variable | Value |
|---|
| Register | Value |
|---|
| Expression | Value |
|---|
| # | Description |
|---|