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Partial 3.8 async "for" fixes

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rocky
2022-01-18 13:08:17 -05:00
parent 88c0c03ee4
commit 5b5fa310d9
3 changed files with 36 additions and 3 deletions
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15
uncompyle6/parsers/parse37base.py
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@@ -584,6 +584,21 @@ class Python37BaseParser(PythonParser):
"""
self.add_unique_doc_rules(rules_str, customize)
elif opname == "GET_ANEXT":
self.addRule(
"""
func_async_prefix ::= _come_froms SETUP_FINALLY GET_ANEXT LOAD_CONST YIELD_FROM POP_BLOCK
func_async_middle ::= JUMP_FORWARD COME_FROM_EXCEPT
DUP_TOP LOAD_GLOBAL COMPARE_OP POP_JUMP_IF_TRUE
list_afor2 ::= func_async_prefix
store list_iter
JUMP_BACK COME_FROM_FINALLY
END_ASYNC_FOR
""",
nop_func,
)
custom_ops_processed.add(opname)
elif opname == "FORMAT_VALUE_ATTR":
rules_str = """
expr ::= formatted_value2

5
uncompyle6/parsers/parse38.py
View File

@@ -75,6 +75,11 @@ class Python38Parser(Python37Parser):
COME_FROM_FINALLY
END_ASYNC_FOR
genexpr_func_async ::= LOAD_FAST func_async_prefix
store comp_iter
JUMP_BACK COME_FROM_FINALLY
END_ASYNC_FOR
# FIXME: come froms after the else_suite or END_ASYNC_FOR distinguish which of
# for / forelse is used. Add come froms and check of add up control-flow detection phase.
async_forelse_stmt38 ::= expr

19
uncompyle6/semantics/pysource.py
View File

@@ -1179,10 +1179,22 @@ class SourceWalker(GenericASTTraversal, object):
code_index = -6
if self.version > (3, 6):
# Python 3.7+ adds optional "come_froms" at node[0]
iter_index = 4
if node[0].kind in ("load_closure", "load_genexpr") and self.version >= (3, 8):
is_lambda = self.is_lambda
if node[0].kind == "load_genexpr":
self.is_lambda = False
self.closure_walk(node, collection_index=4)
self.closure_walk(node, collection_index=4)
self.is_lambda = is_lambda
else:
code_index = -6
iter_index = 4 if self.version < (3, 8) else 3
self.comprehension_walk(node, iter_index=iter_index, code_index=code_index)
pass
pass
else:
code_index = -5
self.comprehension_walk(node, iter_index=iter_index, code_index=code_index)
self.comprehension_walk(node, iter_index=iter_index, code_index=code_index)
self.write(")")
self.prune()
@@ -1421,7 +1433,8 @@ class SourceWalker(GenericASTTraversal, object):
store = ast[3]
collection = node[collection_index]
n = ast[4]
iter_index = 3 if ast == "genexpr_func_async" else 4
n = ast[iter_index]
list_if = None
assert n == "comp_iter"