(sock, message, args, context)
| 5 | description: 'Decode/Run Brainfuck code', |
| 6 | usage: 'Reply to BF code with .bfdecode', |
| 7 | async handler(sock, message, args, context) { |
| 8 | const chatId = context.chatId || message.key.remoteJid; |
| 9 | try { |
| 10 | let code = args?.join('') || ""; |
| 11 | const quoted = message.message?.extendedTextMessage?.contextInfo?.quotedMessage; |
| 12 | if (quoted) { |
| 13 | code = quoted.conversation || |
| 14 | quoted.extendedTextMessage?.text || |
| 15 | quoted.imageMessage?.caption || |
| 16 | quoted.videoMessage?.caption || |
| 17 | ""; |
| 18 | } |
| 19 | code = code.trim(); |
| 20 | if (!code) { |
| 21 | return await sock.sendMessage(chatId, { text: '*Please reply to a Brainfuck code or provide it after the command.*' }, { quoted: message }); |
| 22 | } |
| 23 | const bf = code.replace(/[^><+\-.,[\]]/g, ''); |
| 24 | const tape = new Uint8Array(30000); |
| 25 | let ptr = 0, pc = 0, output = "", steps = 0; |
| 26 | const maxSteps = 100000; |
| 27 | while (pc < bf.length && steps < maxSteps) { |
| 28 | const char = bf[pc]; |
| 29 | if (char === '>') |
| 30 | ptr++; |
| 31 | else if (char === '<') |
| 32 | ptr--; |
| 33 | else if (char === '+') |
| 34 | tape[ptr]++; |
| 35 | else if (char === '-') |
| 36 | tape[ptr]--; |
| 37 | else if (char === '.') |
| 38 | output += String.fromCharCode(tape[ptr]); |
| 39 | else if (char === '[') { |
| 40 | if (tape[ptr] === 0) { |
| 41 | let depth = 1; |
| 42 | while (depth > 0) { |
| 43 | pc++; |
| 44 | if (bf[pc] === '[') |
| 45 | depth++; |
| 46 | if (bf[pc] === ']') |
| 47 | depth--; |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | else if (char === ']') { |
| 52 | if (tape[ptr] !== 0) { |
| 53 | let depth = 1; |
| 54 | while (depth > 0) { |
| 55 | pc--; |
| 56 | if (bf[pc] === ']') |
| 57 | depth++; |
| 58 | if (bf[pc] === '[') |
| 59 | depth--; |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | pc++; |
| 64 | steps++; |
nothing calls this directly
no outgoing calls
no test coverage detected