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Conditional jumps to extended-arg JUMP_BACK...

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this is a major reworking. But it leads the way forward to a
simpler grammar.
This commit is contained in:
rocky
2020-01-22 04:49:44 -05:00
parent c6069eb7f8
commit bc50825460
10 changed files with 211 additions and 45 deletions
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15
pytest/test_token.py
View File

@@ -1,24 +1,25 @@
from uncompyle6 import PYTHON_VERSION
from uncompyle6.scanners.tok import Token
def test_token():
# Test token formatting of: LOAD_CONST None
t = Token('LOAD_CONST', offset=0, attr=None, pattr=None, has_arg=True)
expect = ' 0 LOAD_CONST None'
t = Token("LOAD_CONST", offset=0, attr=None, pattr=None, has_arg=True)
expect = " 0 LOAD_CONST None"
# print(t.format())
assert t
assert t.format() == expect
# Make sure equality testing of tokens ignores offset
t2 = Token('LOAD_CONST', offset=2, attr=None, pattr=None, has_arg=True)
t2 = Token("LOAD_CONST", offset=2, attr=None, pattr=None, has_arg=True)
assert t2 == t
# Make sure formatting of: LOAD_CONST False. We assume False is the 0th index
# of co_consts.
t = Token('LOAD_CONST', offset=1, attr=False, pattr=False, has_arg=True)
expect = ' 1 LOAD_CONST False'
t = Token("LOAD_CONST", offset=1, attr=False, pattr=False, has_arg=True)
expect = " 1 LOAD_CONST False"
assert t.format() == expect
if __name__ == '__main__':
if __name__ == "__main__":
test_token()

16
pytest/testdata/if-2.7.right vendored
View File

@@ -1,12 +1,12 @@
# Python 2.7
# Embedded file name: simple_source/branching/05_if.py
6 0 LOAD_NAME 0 'True'
3 POP_JUMP_IF_FALSE 15 'to 15'
6 0 LOAD_NAME 0 'True'
3 POP_JUMP_IF_FALSE 15 'to 15'
7 6 LOAD_NAME 1 'False'
9 STORE_NAME 2 'b'
12 JUMP_FORWARD 0 'to 15'
15_0 COME_FROM 12 '12'
15 LOAD_CONST None
18 RETURN_VALUE
7 6 LOAD_NAME 1 'False'
9 STORE_NAME 2 'b'
12 JUMP_FORWARD 0 'to 15'
15_0 COME_FROM 12 '12'
15 LOAD_CONST None
18 RETURN_VALUE

20
pytest/testdata/ifelse-2.7.right vendored
View File

@@ -1,15 +1,15 @@
# Python 2.7
# Embedded file name: simple_source/branching/05_ifelse.py
3 0 LOAD_NAME 0 'True'
3 POP_JUMP_IF_FALSE 15 'to 15'
3 0 LOAD_NAME 0 'True'
3 POP_JUMP_IF_FALSE 15 'to 15'
4 6 LOAD_CONST 1
9 STORE_NAME 1 'b'
12 JUMP_FORWARD 6 'to 21'
4 6 LOAD_CONST 1
9 STORE_NAME 1 'b'
12 JUMP_FORWARD 6 'to 21'
6 15 LOAD_CONST 2
18 STORE_NAME 2 'd'
21_0 COME_FROM 12 '12'
21 LOAD_CONST None
24 RETURN_VALUE
6 15 LOAD_CONST 2
18 STORE_NAME 2 'd'
21_0 COME_FROM 12 '12'
21 LOAD_CONST None
24 RETURN_VALUE