yidao620c/python3-cookbook
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

change sth

Browse Source
This commit is contained in:
Flynnon
2019-03-10 15:40:46 +08:00
committed by GitHub
parent dc582e28cb
commit fa4bcc6ccc
1 changed files with 30 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
source/c09/p25_disassembling_python_byte_code.rst
View File

@@ -22,7 +22,31 @@
...
>>> import dis
>>> dis.dis(countdown)
...
2 0 SETUP_LOOP 30 (to 32)
>> 2 LOAD_FAST 0 (n)
4 LOAD_CONST 1 (0)
6 COMPARE_OP 4 (>)
8 POP_JUMP_IF_FALSE 30
3 10 LOAD_GLOBAL 0 (print)
12 LOAD_CONST 2 ('T-minus')
14 LOAD_FAST 0 (n)
16 CALL_FUNCTION 2
18 POP_TOP
4 20 LOAD_FAST 0 (n)
22 LOAD_CONST 3 (1)
24 INPLACE_SUBTRACT
26 STORE_FAST 0 (n)
28 JUMP_ABSOLUTE 2
>> 30 POP_BLOCK
5 >> 32 LOAD_GLOBAL 0 (print)
34 LOAD_CONST 4 ('Blastoff!')
36 CALL_FUNCTION 1
38 POP_TOP
40 LOAD_CONST 0 (None)
42 RETURN_VALUE
>>>
----------
@@ -46,9 +70,8 @@
>>> c = countdown.__code__.co_code
>>> import opcode
>>> opcode.opname[c[0]]
>>> opcode.opname[c[0]]
'SETUP_LOOP'
>>> opcode.opname[c[3]]
>>> opcode.opname[c[2]]
'LOAD_FAST'
>>>