def interpret(source):
brackets = getBrackets(source)
inv_brackets = {v:k for k, v in brackets.items()}
t = Tape()
ind = 0
while ind < len(source):
if source[ind] == '>':
t.right()
ind += 1
elif source[ind] == '<':
t.left()
ind += 1
elif source[ind] == '+':
t.inc()
ind += 1
elif source[ind] == '-':
t.dec()
ind += 1
elif source[ind] == '.':
sys.stdout.write(t.getChar())
ind += 1
elif source[ind] == ',':
t.putChar()
ind += 1
elif source[ind] == '[':
if t.getNum() == 0:
ind = brackets[ind]
ind += 1
elif source[ind] == ']':
ind = inv_brackets[ind]
def mainloop(program,bracket_map):
tape = Tape()
pc = 0
while pc < len(program):
code = program[pc]
if code == ">":
tape.advance()
elif code == "<":
tape.devance()
elif code == "+":
tape.inc()
elif code == "-":
tape.dec()
elif code == ".":
sys.stdout.write(chr(tape.get()))
elif code == ",":
tape.set(ord(sys.stdin.read(1)))
elif code == "[" and tape.get() == 0:
pc = bracket_map[pc]
elif code == "]" and tape.get() != 0:
pc = bracket_map[pc]
pc += 1
def mainloop(program, bracket_map):
pc = 0
tape = Tape()
while pc < len(program):
jitdriver.jit_merge_point(pc=pc, tape=tape, program=program,bracket_map=bracket_map)
code = program[pc]
if code == ">":
tape.advance()
elif code == "<":
tape.devance()
elif code == "+":
tape.inc()
elif code == "-":
tape.dec()
elif code == ".":
# print
os.write(1, chr(tape.get()))
elif code == ",":
# read from stdin
tape.set(ord(os.read(0, 1)[0]))
elif code == "[" and tape.get() == 0:
# Skip forward to the matching ]
pc = bracket_map[pc]
elif code == "]" and tape.get() != 0:
# Skip back to the matching [
pc = bracket_map[pc]
pc += 1
