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Merge pull request #465 from rocky/chained-compare-rename

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Chained compare rename
This commit is contained in:
R. Bernstein
2023-07-29 12:15:25 -04:00
committed by GitHub
parent ea76de02bd ddeb5af6d6
commit 2ff80c040c
11 changed files with 136 additions and 125 deletions
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4
test/simple_source/bug33/01_triple_compare.py
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@@ -1,7 +1,7 @@
# In Python 3.3+ this uses grammar rule
# compare_chained2 ::= expr COMPARE_OP RETURN_VALUE
# compare_chained_right ::= expr COMPARE_OP RETURN_VALUE
# In Python 3.6 uses this uses grammar rule
# compare_chained2 ::= expr COMPARE_OP come_froms JUMP_FORWARD
# compare_chained_right ::= expr COMPARE_OP come_froms JUMP_FORWARD
# Seen in Python 3.3 ipaddress.py

7
uncompyle6/parser.py
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@@ -597,9 +597,10 @@ class PythonParser(GenericASTBuilder):
compare ::= compare_single
compare_single ::= expr expr COMPARE_OP
# A compare_chained is two comparisions like x <= y <= z
compare_chained ::= expr compare_chained1 ROT_TWO POP_TOP _come_froms
compare_chained2 ::= expr COMPARE_OP JUMP_FORWARD
# A compare_chained is two comparisions, as in: x <= y <= z
compare_chained ::= expr compared_chained_middle ROT_TWO POP_TOP
_come_froms
compare_chained_right ::= expr COMPARE_OP JUMP_FORWARD
# Non-null kvlist items are broken out in the indiviual grammars
kvlist ::=

31
uncompyle6/parsers/parse26.py
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@@ -1,4 +1,4 @@
# Copyright (c) 2017-2022 Rocky Bernstein
# Copyright (c) 2017-2023 Rocky Bernstein
"""
spark grammar differences over Python2 for Python 2.6.
"""
@@ -307,21 +307,22 @@ class Python26Parser(Python2Parser):
and ::= expr JUMP_IF_FALSE POP_TOP expr JUMP_IF_FALSE POP_TOP
# compare_chained is like x <= y <= z
compare_chained ::= expr compare_chained1 ROT_TWO COME_FROM POP_TOP _come_froms
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false compare_chained1 _come_froms
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false compare_chained2 _come_froms
# A "compare_chained" is two comparisions like x <= y <= z
compare_chained ::= expr compared_chained_middle ROT_TWO
COME_FROM POP_TOP _come_froms
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false compared_chained_middle _come_froms
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false compare_chained_right _come_froms
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false_then compare_chained1 _come_froms
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false_then compare_chained2 _come_froms
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false_then compared_chained_middle _come_froms
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false_then compare_chained_right _come_froms
compare_chained2 ::= expr COMPARE_OP return_expr_lambda
compare_chained2 ::= expr COMPARE_OP RETURN_END_IF_LAMBDA
compare_chained2 ::= expr COMPARE_OP RETURN_END_IF COME_FROM
compare_chained_right ::= expr COMPARE_OP return_expr_lambda
compare_chained_right ::= expr COMPARE_OP RETURN_END_IF_LAMBDA
compare_chained_right ::= expr COMPARE_OP RETURN_END_IF COME_FROM
return_if_lambda ::= RETURN_END_IF_LAMBDA POP_TOP
stmt ::= if_exp_lambda
@@ -565,7 +566,7 @@ if __name__ == "__main__":
remain_tokens = set(tokens) - opcode_set
import re
remain_tokens = set([re.sub("_\d+$", "", t) for t in remain_tokens])
remain_tokens = set([re.sub(r"_\d+$", "", t) for t in remain_tokens])
remain_tokens = set([re.sub("_CONT$", "", t) for t in remain_tokens])
remain_tokens = set(remain_tokens) - opcode_set
print(remain_tokens)

23
uncompyle6/parsers/parse27.py
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@@ -1,4 +1,4 @@
# Copyright (c) 2016-2020, 2022 Rocky Bernstein
# Copyright (c) 2016-2020, 2023 Rocky Bernstein
# Copyright (c) 2005 by Dan Pascu <dan@windowmaker.org>
# Copyright (c) 2000-2002 by hartmut Goebel <hartmut@goebel.noris.de>
@@ -115,17 +115,18 @@ class Python27Parser(Python2Parser):
or ::= expr_jitop expr COME_FROM
and ::= expr JUMP_IF_FALSE_OR_POP expr COME_FROM
# compare_chained{1,2} is used exclusively in chained_compare
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained1 COME_FROM
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained2 COME_FROM
# compare_chained{middle,2} is used exclusively in chained_compare
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
JUMP_IF_FALSE_OR_POP compared_chained_middle
COME_FROM
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
JUMP_IF_FALSE_OR_POP compare_chained_right COME_FROM
return_lambda ::= RETURN_VALUE
return_lambda ::= RETURN_VALUE_LAMBDA
compare_chained2 ::= expr COMPARE_OP return_lambda
compare_chained2 ::= expr COMPARE_OP return_lambda
compare_chained_right ::= expr COMPARE_OP return_lambda
compare_chained_right ::= expr COMPARE_OP return_lambda
# if_exp_true are for conditions which always evaluate true
# There is dead or non-optional remnants of the condition code though,
@@ -177,11 +178,13 @@ class Python27Parser(Python2Parser):
while1stmt ::= SETUP_LOOP returns pb_come_from
while1stmt ::= SETUP_LOOP l_stmts_opt JUMP_BACK POP_BLOCK COME_FROM
whilestmt ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK POP_BLOCK _come_froms
whilestmt ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK POP_BLOCK
_come_froms
# Should this be JUMP_BACK+ ?
# JUMP_BACK should all be to the same location
whilestmt ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK JUMP_BACK POP_BLOCK _come_froms
whilestmt ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK
JUMP_BACK POP_BLOCK _come_froms
while1elsestmt ::= SETUP_LOOP l_stmts JUMP_BACK POP_BLOCK
else_suitel COME_FROM

35
uncompyle6/parsers/parse3.py
View File

@@ -346,14 +346,15 @@ class Python3Parser(PythonParser):
# FIXME: Common with 2.7
ret_and ::= expr JUMP_IF_FALSE_OR_POP return_expr_or_cond COME_FROM
ret_or ::= expr JUMP_IF_TRUE_OR_POP return_expr_or_cond COME_FROM
if_exp_ret ::= expr POP_JUMP_IF_FALSE expr RETURN_END_IF COME_FROM return_expr_or_cond
if_exp_ret ::= expr POP_JUMP_IF_FALSE expr RETURN_END_IF COME_FROM
return_expr_or_cond
# compare_chained1 is used exclusively in chained_compare
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained1 COME_FROM
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained2 COME_FROM
# compared_chained_middle is used exclusively in chained_compare
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compared_chained_middle COME_FROM
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained_right COME_FROM
"""
def p_stmt3(self, args):
@@ -419,24 +420,24 @@ class Python3Parser(PythonParser):
for ::= SETUP_LOOP expr for_iter store for_block POP_BLOCK
COME_FROM_LOOP
forelsestmt ::= SETUP_LOOP expr for_iter store for_block POP_BLOCK else_suite
COME_FROM_LOOP
forelsestmt ::= SETUP_LOOP expr for_iter store for_block POP_BLOCK
else_suite COME_FROM_LOOP
forelselaststmt ::= SETUP_LOOP expr for_iter store for_block POP_BLOCK else_suitec
COME_FROM_LOOP
forelselaststmt ::= SETUP_LOOP expr for_iter store for_block POP_BLOCK
else_suitec COME_FROM_LOOP
forelselaststmtl ::= SETUP_LOOP expr for_iter store for_block POP_BLOCK else_suitel
COME_FROM_LOOP
forelselaststmtl ::= SETUP_LOOP expr for_iter store for_block POP_BLOCK
else_suitel COME_FROM_LOOP
whilestmt ::= SETUP_LOOP testexpr l_stmts_opt COME_FROM JUMP_BACK POP_BLOCK
COME_FROM_LOOP
whilestmt ::= SETUP_LOOP testexpr l_stmts_opt COME_FROM JUMP_BACK
POP_BLOCK COME_FROM_LOOP
whilestmt ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK POP_BLOCK JUMP_BACK
COME_FROM_LOOP
whilestmt ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK POP_BLOCK
JUMP_BACK COME_FROM_LOOP
whilestmt ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK POP_BLOCK
COME_FROM_LOOP
whilestmt ::= SETUP_LOOP testexpr returns POP_BLOCK
whilestmt ::= SETUP_LOOP testexpr returns POP_BLOCK
COME_FROM_LOOP
while1elsestmt ::= SETUP_LOOP l_stmts JUMP_BACK

32
uncompyle6/parsers/parse30.py
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@@ -14,13 +14,14 @@ class Python30Parser(Python31Parser):
pt_bp ::= POP_TOP POP_BLOCK
assert ::= assert_expr jmp_true LOAD_ASSERT RAISE_VARARGS_1 COME_FROM POP_TOP
assert2 ::= assert_expr jmp_true LOAD_ASSERT expr CALL_FUNCTION_1 RAISE_VARARGS_1
come_froms
assert ::= assert_expr jmp_true LOAD_ASSERT RAISE_VARARGS_1
COME_FROM POP_TOP
assert2 ::= assert_expr jmp_true LOAD_ASSERT expr CALL_FUNCTION_1
RAISE_VARARGS_1 come_froms
call_stmt ::= expr _come_froms POP_TOP
return_if_lambda ::= RETURN_END_IF_LAMBDA COME_FROM POP_TOP
compare_chained2 ::= expr COMPARE_OP RETURN_END_IF_LAMBDA
return_if_lambda ::= RETURN_END_IF_LAMBDA COME_FROM POP_TOP
compare_chained_right ::= expr COMPARE_OP RETURN_END_IF_LAMBDA
# FIXME: combine with parse3.2
whileTruestmt ::= SETUP_LOOP l_stmts_opt
@@ -205,12 +206,12 @@ class Python30Parser(Python31Parser):
come_froms POP_TOP POP_BLOCK COME_FROM_LOOP
# compare_chained is like x <= y <= z
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false compare_chained1 _come_froms
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false compare_chained2 _come_froms
compare_chained2 ::= expr COMPARE_OP RETURN_END_IF
# A "compare_chained" is two comparisions like x <= y <= z
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false compared_chained_middle _come_froms
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
jmp_false compare_chained_right _come_froms
compare_chained_right ::= expr COMPARE_OP RETURN_END_IF
"""
@@ -270,10 +271,11 @@ class Python30Parser(Python31Parser):
jmp_true ::= JUMP_IF_TRUE_OR_POP POP_TOP
jmp_true ::= POP_JUMP_IF_TRUE
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained1 COME_FROM
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained2 COME_FROM
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
JUMP_IF_FALSE_OR_POP compared_chained_middle
COME_FROM
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP
JUMP_IF_FALSE_OR_POP compare_chained_right COME_FROM
ret_or ::= expr JUMP_IF_TRUE_OR_POP return_expr_or_cond COME_FROM
ret_and ::= expr JUMP_IF_FALSE_OR_POP return_expr_or_cond COME_FROM
if_exp_ret ::= expr POP_JUMP_IF_FALSE expr RETURN_END_IF

7
uncompyle6/parsers/parse32.py
View File

@@ -25,10 +25,9 @@ class Python32Parser(Python3Parser):
"""
if_exp ::= expr jmp_false expr jump_forward_else expr COME_FROM
# compare_chained2 is used in a "chained_compare": x <= y <= z
# used exclusively in compare_chained
compare_chained2 ::= expr COMPARE_OP RETURN_VALUE
compare_chained2 ::= expr COMPARE_OP RETURN_VALUE_LAMBDA
# compare_chained_right is used in a "chained_compare": x <= y <= z
compare_chained_right ::= expr COMPARE_OP RETURN_VALUE
compare_chained_right ::= expr COMPARE_OP RETURN_VALUE_LAMBDA
# Python < 3.5 no POP BLOCK
whileTruestmt ::= SETUP_LOOP l_stmts_opt JUMP_BACK COME_FROM_LOOP

2
uncompyle6/parsers/parse36.py
View File

@@ -190,7 +190,7 @@ class Python36Parser(Python35Parser):
tryfinally_return_stmt ::= SETUP_FINALLY suite_stmts_opt POP_BLOCK LOAD_CONST
COME_FROM_FINALLY
compare_chained2 ::= expr COMPARE_OP come_froms JUMP_FORWARD
compare_chained_right ::= expr COMPARE_OP come_froms JUMP_FORWARD
"""
# Some of this is duplicated from parse37. Eventually we'll probably rebase from

90
uncompyle6/parsers/parse37.py
View File

@@ -1,4 +1,4 @@
# Copyright (c) 2017-2020, 2022 Rocky Bernstein
# Copyright (c) 2017-2020, 2022-2023 Rocky Bernstein
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@@ -130,7 +130,8 @@ class Python37Parser(Python37BaseParser):
stmt ::= return
return ::= return_expr RETURN_VALUE
# "returns" nonterminal is a sequence of statements that ends in a RETURN statement.
# "returns" nonterminal is a sequence of statements that ends in a
# RETURN statement.
# In later Python versions with jump optimization, this can cause JUMPs
# that would normally appear to be omitted.
@@ -221,8 +222,8 @@ class Python37Parser(Python37BaseParser):
compare_single ::= expr expr COMPARE_OP
# A compare_chained is two comparisions like x <= y <= z
compare_chained ::= expr compare_chained1 ROT_TWO POP_TOP _come_froms
compare_chained2 ::= expr COMPARE_OP JUMP_FORWARD
compare_chained ::= expr compared_chained_middle ROT_TWO POP_TOP _come_froms
compare_chained_right ::= expr COMPARE_OP JUMP_FORWARD
# Non-null kvlist items are broken out in the indiviual grammars
kvlist ::=
@@ -439,10 +440,10 @@ class Python37Parser(Python37BaseParser):
"""
if_exp::= expr jmp_false expr jump_forward_else expr COME_FROM
# compare_chained2 is used in a "chained_compare": x <= y <= z
# compare_chained_right is used in a "chained_compare": x <= y <= z
# used exclusively in compare_chained
compare_chained2 ::= expr COMPARE_OP RETURN_VALUE
compare_chained2 ::= expr COMPARE_OP RETURN_VALUE_LAMBDA
compare_chained_right ::= expr COMPARE_OP RETURN_VALUE
compare_chained_right ::= expr COMPARE_OP RETURN_VALUE_LAMBDA
# Python < 3.5 no POP BLOCK
whileTruestmt ::= SETUP_LOOP l_stmts_opt JUMP_BACK COME_FROM_LOOP
@@ -625,41 +626,41 @@ class Python37Parser(Python37BaseParser):
compare_chained ::= compare_chained37
compare_chained ::= compare_chained37_false
compare_chained37 ::= expr compare_chained1a_37
compare_chained37 ::= expr compare_chained1c_37
compare_chained37 ::= expr compared_chained_middlea_37
compare_chained37 ::= expr compared_chained_middlec_37
compare_chained37_false ::= expr compare_chained1_false_37
compare_chained37_false ::= expr compare_chained1b_false_37
compare_chained37_false ::= expr compare_chained2_false_37
compare_chained37_false ::= expr compared_chained_middle_false_37
compare_chained37_false ::= expr compared_chained_middleb_false_37
compare_chained37_false ::= expr compare_chained_right_false_37
compare_chained1a_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained1a_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2a_37 COME_FROM POP_TOP COME_FROM
compare_chained1b_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2b_false_37 POP_TOP _jump COME_FROM
compared_chained_middlea_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compared_chained_middlea_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained_righta_37 COME_FROM POP_TOP COME_FROM
compared_chained_middleb_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained_rightb_false_37 POP_TOP _jump COME_FROM
compare_chained1c_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2a_37 POP_TOP
compared_chained_middlec_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained_righta_37 POP_TOP
compare_chained1_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2c_37 POP_TOP JUMP_FORWARD COME_FROM
compare_chained1_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2b_false_37 POP_TOP _jump COME_FROM
compared_chained_middle_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained_rightc_37 POP_TOP JUMP_FORWARD COME_FROM
compared_chained_middle_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained_rightb_false_37 POP_TOP _jump COME_FROM
compare_chained2_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2a_false_37 POP_TOP JUMP_BACK COME_FROM
compare_chained_right_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained_righta_false_37 POP_TOP JUMP_BACK COME_FROM
compare_chained2a_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_TRUE JUMP_FORWARD
compare_chained2a_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_TRUE JUMP_BACK
compare_chained2a_false_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE jf_cfs
compare_chained_righta_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_TRUE JUMP_FORWARD
compare_chained_righta_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_TRUE JUMP_BACK
compare_chained_righta_false_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE jf_cfs
compare_chained2b_false_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE JUMP_FORWARD COME_FROM
compare_chained2b_false_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE JUMP_FORWARD
compare_chained_rightb_false_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE JUMP_FORWARD COME_FROM
compare_chained_rightb_false_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE JUMP_FORWARD
compare_chained2c_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP come_from_opt POP_JUMP_IF_FALSE
compare_chained2a_false_37 ELSE
compare_chained2c_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP come_from_opt POP_JUMP_IF_FALSE
compare_chained2a_false_37
compare_chained_rightc_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP come_from_opt POP_JUMP_IF_FALSE
compare_chained_righta_false_37 ELSE
compare_chained_rightc_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP come_from_opt POP_JUMP_IF_FALSE
compare_chained_righta_false_37
"""
def p_37_conditionals(self, args):
@@ -667,11 +668,13 @@ class Python37Parser(Python37BaseParser):
expr ::= if_exp37
if_exp37 ::= expr expr jf_cfs expr COME_FROM
jf_cfs ::= JUMP_FORWARD _come_froms
ifelsestmt ::= testexpr c_stmts_opt jf_cfs else_suite opt_come_from_except
ifelsestmt ::= testexpr c_stmts_opt jf_cfs else_suite
opt_come_from_except
# This is probably more realistically an "ifstmt" (with a null else)
# see _cmp() of python3.8/distutils/__pycache__/version.cpython-38.opt-1.pyc
ifelsestmt ::= testexpr stmts jf_cfs else_suite_opt opt_come_from_except
ifelsestmt ::= testexpr stmts jf_cfs else_suite_opt
opt_come_from_except
expr_pjit ::= expr POP_JUMP_IF_TRUE
@@ -694,7 +697,8 @@ class Python37Parser(Python37BaseParser):
expr ::= if_exp_37a
expr ::= if_exp_37b
if_exp_37a ::= and_not expr JUMP_FORWARD come_froms expr COME_FROM
if_exp_37b ::= expr jmp_false expr POP_JUMP_IF_FALSE jump_forward_else expr
if_exp_37b ::= expr jmp_false expr POP_JUMP_IF_FALSE
jump_forward_else expr
jmp_false_cf ::= POP_JUMP_IF_FALSE COME_FROM
comp_if ::= or jmp_false_cf comp_iter
"""
@@ -1014,11 +1018,11 @@ class Python37Parser(Python37BaseParser):
and ::= expr jmp_false expr COME_FROM
or ::= expr_jt expr COME_FROM
# compare_chained1 is used exclusively in chained_compare
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained1 COME_FROM
compare_chained1 ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained2 COME_FROM
# compared_chained_middle is used exclusively in chained_compare
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compared_chained_middle COME_FROM
compared_chained_middle ::= expr DUP_TOP ROT_THREE COMPARE_OP JUMP_IF_FALSE_OR_POP
compare_chained_right COME_FROM
"""
def p_stmt3(self, args):
@@ -1205,7 +1209,7 @@ class Python37Parser(Python37BaseParser):
tryfinally_return_stmt ::= SETUP_FINALLY suite_stmts_opt POP_BLOCK LOAD_CONST
COME_FROM_FINALLY
compare_chained2 ::= expr COMPARE_OP come_froms JUMP_FORWARD
compare_chained_right ::= expr COMPARE_OP come_froms JUMP_FORWARD
"""
def p_37_misc(self, args):

4
uncompyle6/semantics/consts.py
View File

@@ -338,8 +338,8 @@ TABLE_DIRECT = {
"if_exp_not_lambda": ("%p if not %c else %c", (2, "expr", 27), 0, 4),
"compare_single": ('%p %[-1]{pattr.replace("-", " ")} %p', (0, 19), (1, 19)),
"compare_chained": ("%p %p", (0, 29), (1, 30)),
"compare_chained1": ('%[3]{pattr.replace("-", " ")} %p %p', (0, 19), (-2, 19)),
"compare_chained2": ('%[1]{pattr.replace("-", " ")} %p', (0, 19)),
"compared_chained_middle": ('%[3]{pattr.replace("-", " ")} %p %p', (0, 19), (-2, 19)),
"compare_chained_right": ('%[1]{pattr.replace("-", " ")} %p', (0, 19)),
# "classdef": (), # handled by n_classdef()
# A custom rule in n_function def distinguishes whether to call this or
# function_def_async

26
uncompyle6/semantics/customize37.py
View File

@@ -99,44 +99,44 @@ def customize_for_version37(self, version):
"await_stmt": ("%|%c\n", 0),
"c_async_with_stmt": ("%|async with %c:\n%+%c%-", (0, "expr"), 3),
"call_ex": ("%c(%p)", (0, "expr"), (1, 100)),
"compare_chained1a_37": (
"compared_chained_middlea_37": (
' %[3]{pattr.replace("-", " ")} %p %p',
(0, PRECEDENCE["compare"] - 1),
(-4, PRECEDENCE["compare"] - 1),
),
"compare_chained1_false_37": (
"compared_chained_middle_false_37": (
' %[3]{pattr.replace("-", " ")} %p %p',
(0, PRECEDENCE["compare"] - 1),
(-4, PRECEDENCE["compare"] - 1),
),
"compare_chained2_false_37": (
"compare_chained_right_false_37": (
' %[3]{pattr.replace("-", " ")} %p %p',
(0, PRECEDENCE["compare"] - 1),
(-5, PRECEDENCE["compare"] - 1),
),
"compare_chained1b_false_37": (
"compared_chained_middleb_false_37": (
' %[3]{pattr.replace("-", " ")} %p %p',
(0, PRECEDENCE["compare"] - 1),
(-4, PRECEDENCE["compare"] - 1),
),
"compare_chained1c_37": (
"compared_chained_middlec_37": (
' %[3]{pattr.replace("-", " ")} %p %p',
(0, PRECEDENCE["compare"] - 1),
(-2, PRECEDENCE["compare"] - 1),
),
"compare_chained2a_37": (
"compare_chained_righta_37": (
'%[1]{pattr.replace("-", " ")} %p',
(0, PRECEDENCE["compare"] - 1),
),
"compare_chained2b_false_37": (
"compare_chained_rightb_false_37": (
'%[1]{pattr.replace("-", " ")} %p',
(0, PRECEDENCE["compare"] - 1),
),
"compare_chained2a_false_37": (
"compare_chained_righta_false_37": (
'%[1]{pattr.replace("-", " ")} %p',
(0, PRECEDENCE["compare"] - 1),
),
"compare_chained2c_37": (
"compare_chained_rightc_37": (
'%[3]{pattr.replace("-", " ")} %p %p',
(0, PRECEDENCE["compare"] - 1),
(6, PRECEDENCE["compare"] - 1),
@@ -461,12 +461,12 @@ def customize_for_version37(self, version):
compare_chained37 = node[0]
if (
compare_chained37 == "compare_chained37"
and compare_chained37[1] == "compare_chained1b_37"
and compare_chained37[1] == "compared_chained_middleb_37"
):
compare_chained1b_37 = compare_chained37[1]
compared_chained_middleb_37 = compare_chained37[1]
if (
len(compare_chained1b_37) > 2
and compare_chained1b_37[-2] == "JUMP_FORWARD"
len(compared_chained_middleb_37) > 2
and compared_chained_middleb_37[-2] == "JUMP_FORWARD"
):
node.kind = "testfalse"
pass