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@dpogue
Created December 23, 2010 07:05
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Python try/except/finally bytecode
*****************************************
* try: *
* import sys *
* try: *
* print 'something else' *
* except AssertionError: *
* print '...failed' *
* except ImportError: *
* print 'Oh Noes!' *
* finally: *
* print 'Exiting' *
*****************************************
Block Stack:
_
,--------- 0 SETUP_FINALLY 83 (to 86) _F
| ,------- 3 SETUP_EXCEPT 52 (to 58) _FE
| | 6 LOAD_CONST 0: -1
| | 9 LOAD_CONST 1: None
| | 12 IMPORT_NAME 0: sys
| | 15 STORE_NAME 0: sys
| |
| | ,--- 18 SETUP_EXCEPT 9 (to 30) _FEE
| | | 21 LOAD_CONST 2: 'something else'
| | | 24 PRINT_ITEM
| | | 25 PRINT_NEWLINE
| | | 26 POP_BLOCK _FE
| | ,-|--- 27 JUMP_FORWARD 24 (to 54)
| | | |
| | | `--> 30 DUP_TOP
| | | 31 LOAD_NAME 1: AssertionError
| | | 34 COMPARE_OP 10
| | | ,-- 37 JUMP_IF_FALSE 12 (to 52)
| | | | 40 POP_TOP
| | | | 41 POP_TOP
| | | | 42 POP_TOP
| | | | 43 POP_TOP
| | | | 44 LOAD_CONST 3: '...failed'
| | | | 47 PRINT_ITEM
| | | | 48 PRINT_NEWLINE
| | |,-|-- 49 JUMP_FORWARD 2 (to 54)
| | | |
| | | `-> 52 POP_TOP
| | | 53 END_FINALLY <-- ignore this END_FINALLY _
| | `----> 54 POP_BLOCK _FE
| |
| | ,----- 55 JUMP_FORWARD 24 (to 82)
| | |
| `-|----> 58 DUP_TOP
| | 59 LOAD_NAME 2: ImportError
| | 62 COMPARE_OP 10
| | ,-- 65 JUMP_IF_FALSE 12 (to 80)
| | | 68 POP_TOP
| | | 69 POP_TOP
| | | 70 POP_TOP
| | | 71 POP_TOP
| | | 72 LOAD_CONST 4: 'Oh Noes!'
| | | 75 PRINT_ITEM
| | | 76 PRINT_NEWLINE
| |,-|-- 77 JUMP_FORWARD 2 (to 82)
| | |
| | `-> 80 POP_TOP
| | 81 END_FINALLY <-- ignore this END_FINALLY _
| `----> 82 POP_BLOCK _F
| 83 LOAD_CONST 1: None
`--------> 86 LOAD_CONST 5: 'Exiting'
89 PRINT_ITEM
90 PRINT_NEWLINE
91 END_FINALLY _
92 LOAD_CONST 1: None
95 RETURN_VALUE
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