{"language":{"id":"brainfuck-interpreter","name":"Brainfuck Interpreter","author_id":"8fdbd4ca-c912-4ac3-b195-b387677e726d","interpreter_script_id":"2667598c-ca8f-442f-88a4-c21b87f741b3","base_language":"python","verified":0,"execution_count":5,"active":1,"created_at":"2026-05-22 01:43:53","author_name":"TheOne","forked_from_title":null,"forked_from":null,"icon":"🤯"},"files":[{"filename":"main.py","content":"import sys\n\n# The esoteric code to interpret will be passed via standard input (STDIN)\nesoteric_code = sys.stdin.read()\n\ndef run_brainfuck(code):\n # Limpiamos el código para quedarnos solo con los comandos válidos\n valid_commands = {'>', '<', '+', '-', '.', ',', '[', ']'}\n cleaned_code = [char for char in code if char in valid_commands]\n \n # Precomputar el mapa de saltos para los bucles [ y ]\n loop_map = {}\n stack = []\n \n for index, char in enumerate(cleaned_code):\n if char == '[':\n stack.append(index)\n elif char == ']':\n if not stack:\n print(\"Error: Corchete de cierre ']' sin apertura correspondiente.\", file=sys.stderr)\n return\n start = stack.pop()\n loop_map[start] = index\n loop_map[index] = start\n \n if stack:\n print(\"Error: Corchete de apertura '[' sin cierre correspondiente.\", file=sys.stderr)\n return\n\n # Inicializar la cinta de memoria (30,000 celdas por defecto)\n memory = [0] * 30000\n data_ptr = 0 # Puntero de datos\n code_ptr = 0 # Puntero de instrucción (en cleaned_code)\n \n # Ejecución del código\n while code_ptr < len(cleaned_code):\n cmd = cleaned_code[code_ptr]\n \n if cmd == '>':\n data_ptr = (data_ptr + 1) % len(memory)\n elif cmd == '<':\n data_ptr = (data_ptr - 1) % len(memory)\n elif cmd == '+':\n memory[data_ptr] = (memory[data_ptr] + 1) % 256\n elif cmd == '-':\n memory[data_ptr] = (memory[data_ptr] - 1) % 256\n elif cmd == '.':\n # Imprime el carácter correspondiente al valor de la celda\n sys.stdout.write(chr(memory[data_ptr]))\n sys.stdout.flush()\n elif cmd == ',':\n # Lee un solo carácter de la entrada estándar si está disponible\n char_in = sys.stdin.read(1)\n memory[data_ptr] = ord(char_in) if char_in else 0\n elif cmd == '[':\n if memory[data_ptr] == 0:\n code_ptr = loop_map[code_ptr]\n elif cmd == ']':\n if memory[data_ptr] != 0:\n code_ptr = loop_map[code_ptr]\n \n code_ptr += 1\n\n# Ejecutamos el intérprete\nrun_brainfuck(esoteric_code)"},{"filename":"stdin.txt","content":"++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.---j--.>>+.>++.\n"},{"filename":"README.md","content":"# Brainfuck Interpreter\n\n[icon]: 🤯\n\nThis is a Brainfuck interpreter written in Python.\n\n\nWrite your logic in `main.py` and hit Run!\n\n## Brainfuck Commands Reference\n\n| Command | Action |\n| :---: | --- |\n| `>` | Increment the data pointer (move right). |\n| `<` | Decrement the data pointer (move left). |\n| `+` | Increment the byte at the data pointer. |\n| `-` | Decrement the byte at the data pointer. |\n| `.` | Output the byte at the data pointer as an ASCII character. |\n| `,` | Accept one byte of input, storing its value in the byte at the data pointer. |\n| `[` | If the byte at the data pointer is zero, jump forward to the command after the matching `]`. |\n| `]` | If the byte at the data pointer is nonzero, jump back to the command after the matching `[`. |\n\n## Quick Test Example\n\nYou can paste this classic \"Hello World!\" code into your `stdin.txt` file to test it:\n\n```text\n++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++."}]}

Run brainfuck-interpreter Code Online — Free Editor & Compiler