def __init__(self, script, in_fd=sys.stdin, out_fd=sys.stdout):
self.out_fd = out_fd
self.in_fd = in_fd
self.script = script
self.cell = Cell()
self.stack = Stack()
self.code = CodeFeeder(script, {'[': ']', ']': '['})
self.opcodes = {
">": self.cell.right,
"<": self.cell.left,
"+": self.cell.inc,
"-": self.cell.dec,
".": self.print_char,
",": self.read_char,
"[": self.jz,
"]": self.jnz,
"\\": self.push,
"/": self.pop,
"!": self.pvt
}
def pvt(self):
old_stack = str(self.stack)
old_code = str(self.code)
self.stack = Stack(old_code)
self.code.build_from(old_stack[::-1])
self.code.loc_pointer -= 1 #inc after yield, need to fix