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bpo-32489: Allow 'continue' in 'finally' clause. (GH-5822)

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Serhiy Storchaka 2018-03-18 09:56:52 +02:00 • committed by GitHub
parent 134cb01cda
commit fe2bbb1869
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10 changed files with 97 additions and 70 deletions
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68
Lib/test/test_syntax.py
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@ -298,7 +298,7 @@ continue in for loop under finally should be ok.
>>> test()
9
Start simple, a continue in a finally should not be allowed.
continue in a finally should be ok.
>>> def test():
... for abc in range(10):
@ -306,11 +306,9 @@ Start simple, a continue in a finally should not be allowed.
... pass
... finally:
... continue
Traceback (most recent call last):
...
SyntaxError: 'continue' not supported inside 'finally' clause
This is essentially a continue in a finally which should not be allowed.
... print(abc)
>>> test()
9
>>> def test():
... for abc in range(10):
@ -321,9 +319,24 @@ This is essentially a continue in a finally which should not be allowed.
... continue
... except:
... pass
Traceback (most recent call last):
...
SyntaxError: 'continue' not supported inside 'finally' clause
... print(abc)
>>> test()
9
>>> def test():
... for abc in range(10):
... try:
... pass
... finally:
... try:
... pass
... except:
... continue
... print(abc)
>>> test()
9
A continue outside loop should not be allowed.
>>> def foo():
... try:
@ -332,42 +345,7 @@ This is essentially a continue in a finally which should not be allowed.
... continue
Traceback (most recent call last):
...
SyntaxError: 'continue' not supported inside 'finally' clause
>>> def foo():
... for a in ():
... try:
... pass
... finally:
... continue
Traceback (most recent call last):
...
SyntaxError: 'continue' not supported inside 'finally' clause
>>> def foo():
... for a in ():
... try:
... pass
... finally:
... try:
... continue
... finally:
... pass
Traceback (most recent call last):
...
SyntaxError: 'continue' not supported inside 'finally' clause
>>> def foo():
... for a in ():
... try: pass
... finally:
... try:
... pass
... except:
... continue
Traceback (most recent call last):
...
SyntaxError: 'continue' not supported inside 'finally' clause
SyntaxError: 'continue' not properly in loop
There is one test for a break that is not in a loop. The compiler
uses a single data structure to keep track of try-finally and loops,