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bpo-33041: Rework compiling an "async for" loop. (#6142)

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* Added new opcode END_ASYNC_FOR.
* Setting global StopAsyncIteration no longer breaks "async for" loops.
* Jumping into an "async for" loop is now disabled.
* Jumping out of an "async for" loop no longer corrupts the stack.
* Simplify the compiler.
This commit is contained in:
Serhiy Storchaka 2018-03-23 14:34:35 +02:00 • committed by GitHub
parent c65bf3fe4a
commit 702f8f3611
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14 changed files with 276 additions and 226 deletions
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Lib/opcode.py
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@ -88,7 +88,7 @@ def_op('GET_AITER', 50)
def_op('GET_ANEXT', 51)
def_op('BEFORE_ASYNC_WITH', 52)
def_op('BEGIN_FINALLY', 53)
def_op('END_ASYNC_FOR', 54)
def_op('INPLACE_ADD', 55)
def_op('INPLACE_SUBTRACT', 56)
def_op('INPLACE_MULTIPLY', 57)