higer wrote: > Hi,all: > > I'm sorry that I did not make my question clear. What I mean is that > what the souce code would look like that will be compiled to such > bytecodes.
>>> import dis >>> def foo(): ... for i in xrange(10): ... if i == 5: ... break ... if i == 4: ... continue ... i *= 100 ... >>> dis.disassemble(foo.func_code) 2 0 SETUP_LOOP 68 (to 71) 3 LOAD_GLOBAL 0 (xrange) 6 LOAD_CONST 1 (10) 9 CALL_FUNCTION 1 12 GET_ITER >> 13 FOR_ITER 54 (to 70) 16 STORE_FAST 0 (i) 3 19 LOAD_FAST 0 (i) 22 LOAD_CONST 2 (5) 25 COMPARE_OP 2 (==) 28 JUMP_IF_FALSE 5 (to 36) 31 POP_TOP 4 32 BREAK_LOOP 33 JUMP_FORWARD 1 (to 37) >> 36 POP_TOP 5 >> 37 LOAD_FAST 0 (i) 40 LOAD_CONST 3 (4) 43 COMPARE_OP 2 (==) 46 JUMP_IF_FALSE 7 (to 56) 49 POP_TOP 6 50 JUMP_ABSOLUTE 13 53 JUMP_FORWARD 1 (to 57) >> 56 POP_TOP 7 >> 57 LOAD_FAST 0 (i) 60 LOAD_CONST 4 (100) 63 INPLACE_MULTIPLY 64 STORE_FAST 0 (i) 67 JUMP_ABSOLUTE 13 >> 70 POP_BLOCK >> 71 LOAD_CONST 0 (None) 74 RETURN_VALUE >>> Pretty much everything with control-structures. Diez -- http://mail.python.org/mailman/listinfo/python-list