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bpo-40941: Unify implicit and explicit state in the frame and generator objects into a single value. (GH-20803)

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* Merge gen and frame state variables into one.

* Replace stack pointer with depth in PyFrameObject. Makes code easier to read and saves a word of memory.
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Mark Shannon 2020-07-17 11:44:23 +01:00 • committed by GitHub
parent 8e836bb21c
commit cb9879b948
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 155 additions and 95 deletions
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4
Lib/test/test_sys.py
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@ -1236,7 +1236,7 @@ class SizeofTest(unittest.TestCase):
nfrees = len(x.f_code.co_freevars)
extras = x.f_code.co_stacksize + x.f_code.co_nlocals +\
ncells + nfrees - 1
check(x, vsize('5P2c4P3ic' + CO_MAXBLOCKS*'3i' + 'P' + extras*'P'))
check(x, vsize('4Pi2c4P3ic' + CO_MAXBLOCKS*'3i' + 'P' + extras*'P'))
# function
def func(): pass
check(func, size('13P'))
@ -1253,7 +1253,7 @@ class SizeofTest(unittest.TestCase):
check(bar, size('PP'))
# generator
def get_gen(): yield 1
check(get_gen(), size('Pb2PPP4P'))
check(get_gen(), size('P2PPP4P'))
# iterator
check(iter('abc'), size('lP'))
# callable-iterator