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bpo-45923: Handle call events in bytecode (GH-30364)

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* Add a RESUME instruction to handle "call" events.
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Mark Shannon 2022-01-06 13:09:25 +00:00 • committed by GitHub
parent 3e43fac250
commit e028ae99ec
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13 changed files with 672 additions and 523 deletions
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15
Lib/test/test_code.py
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@ -367,7 +367,7 @@ class CodeTest(unittest.TestCase):
# get assigned the first_lineno but they don't have other positions.
# There is no easy way of inferring them at that stage, so for now
# we don't support it.
self.assertTrue(positions.count(None) in [0, 4])
self.assertIn(positions.count(None), [0, 3, 4])
if not any(positions):
artificial_instructions.append(instr)
@ -378,6 +378,7 @@ class CodeTest(unittest.TestCase):
for instruction in artificial_instructions
],
[
('RESUME', 0),
("PUSH_EXC_INFO", None),
("LOAD_CONST", None), # artificial 'None'
("STORE_NAME", "e"), # XX: we know the location for this
@ -419,7 +420,9 @@ class CodeTest(unittest.TestCase):
def func():
x = 1
new_code = func.__code__.replace(co_linetable=b'')
for line, end_line, column, end_column in new_code.co_positions():
positions = new_code.co_positions()
next(positions) # Skip RESUME at start
for line, end_line, column, end_column in positions:
self.assertIsNone(line)
self.assertEqual(end_line, new_code.co_firstlineno + 1)
@ -428,7 +431,9 @@ class CodeTest(unittest.TestCase):
def func():
x = 1
new_code = func.__code__.replace(co_endlinetable=b'')
for line, end_line, column, end_column in new_code.co_positions():
positions = new_code.co_positions()
next(positions) # Skip RESUME at start
for line, end_line, column, end_column in positions:
self.assertEqual(line, new_code.co_firstlineno + 1)
self.assertIsNone(end_line)
@ -437,7 +442,9 @@ class CodeTest(unittest.TestCase):
def func():
x = 1
new_code = func.__code__.replace(co_columntable=b'')
for line, end_line, column, end_column in new_code.co_positions():
positions = new_code.co_positions()
next(positions) # Skip RESUME at start
for line, end_line, column, end_column in positions:
self.assertEqual(line, new_code.co_firstlineno + 1)
self.assertEqual(end_line, new_code.co_firstlineno + 1)
self.assertIsNone(column)