让我们看一下效果如何：
| >>> def lol(x): ... for i in range(10): ... if x == i: ... break >>> dis.dis(lol) 101 0 SETUP_LOOP 36 (to 39) 3 LOAD_GLOBAL 0 (range) 6 LOAD_CONST 1 (10) 9 CALL_FUNCTION 1 (1 positional, 0 keyword pair) 12 GET_ITER >> 13 FOR_ITER 22 (to 38) 16 STORE_FAST 1 (i) 102 19 LOAD_FAST 0 (x) 22 LOAD_FAST 1 (i) 25 COMPARE_OP 2 (==) 28 POP_JUMP_IF_FALSE 13 103 31 BREAK_LOOP 32 JUMP_ABSOLUTE 13 35 JUMP_ABSOLUTE 13 >> 38 POP_BLOCK >> 39 LOAD_CONST 0 (None) 42 RETURN_VALUE >>> lol.__code__ = transform_code(lol.__code__, add_debug_op_everywhere, add_stacksize=3) >>> dis.dis(lol) 101 0 <0> 1 SETUP_LOOP 50 (to 54) 4 <0> 5 LOAD_GLOBAL 0 (range) 8 <0> 9 LOAD_CONST 1 (10) 12 <0> 13 CALL_FUNCTION 1 (1 positional, 0 keyword pair) 16 <0> 17 GET_ITER >> 18 <0> 102 19 FOR_ITER 30 (to 52) 22 <0> 23 STORE_FAST 1 (i) 26 <0> 27 LOAD_FAST 0 (x) 30 <0> 103 31 LOAD_FAST 1 (i) 34 <0> 35 COMPARE_OP 2 (==) 38 <0> 39 POP_JUMP_IF_FALSE 18 42 <0> 43 BREAK_LOOP 44 <0> 45 JUMP_ABSOLUTE 18 48 <0> 49 JUMP_ABSOLUTE 18 >> 52 <0> 53 POP_BLOCK >> 54 <0> 55 LOAD_CONST 0 (None) 58 <0> 59 RETURN_VALUE # Setup the simplest handler EVER >>> def op_target(stack, frame): ... print (stack) # GO >>> lol(2) [] [] [<class 'range'>] [10, <class 'range'>] [range(0, 10)] [<range_iterator object at 0x7f1349afab80>] [0, <range_iterator object at 0x7f1349afab80>] [<range_iterator object at 0x7f1349afab80>] [2, <range_iterator object at 0x7f1349afab80>] [0, 2, <range_iterator object at 0x7f1349afab80>] [False, <range_iterator object at 0x7f1349afab80>] [<range_iterator object at 0x7f1349afab80>] [1, <range_iterator object at 0x7f1349afab80>] [<range_iterator object at 0x7f1349afab80>] [2, <range_iterator object at 0x7f1349afab80>] [1, 2, <range_iterator object at 0x7f1349afab80>] [False, <range_iterator object at 0x7f1349afab80>] [<range_iterator object at 0x7f1349afab80>] [2, <range_iterator object at 0x7f1349afab80>] [<range_iterator object at 0x7f1349afab80>] [2, <range_iterator object at 0x7f1349afab80>] [2, 2, <range_iterator object at 0x7f1349afab80>] [True, <range_iterator object at 0x7f1349afab80>] [<range_iterator object at 0x7f1349afab80>] [] [None] |
