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Correct 3.0 list comprehension parsing

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rocky
2022-11-04 00:42:50 -04:00
parent 9ecdf12667
commit d0a98bdbc6
2 changed files with 22 additions and 6 deletions
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7
uncompyle6/parsers/parse30.py
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@@ -85,6 +85,11 @@ class Python30Parser(Python31Parser):
LOAD_FAST FOR_ITER store comp_iter
JUMP_BACK _come_froms POP_TOP JUMP_BACK
list_for ::= DUP_TOP STORE_FAST
expr_or_arg
FOR_ITER
store list_iter jb_or_c
set_comp ::= set_comp_header
LOAD_FAST FOR_ITER store comp_iter
JUMP_BACK
@@ -219,7 +224,7 @@ class Python30Parser(Python31Parser):
# lc_body ::= LOAD_NAME expr LIST_APPEND
# lc_body ::= expr LIST_APPEND
# list_comp ::= BUILD_LIST_0 list_iter
# list_for ::= expr FOR_ITER store list_iter jb_or_c
list_for ::= expr FOR_ITER store list_iter jb_or_c
# list_if ::= expr jmp_false list_iter
# list_if ::= expr jmp_false_then list_iter
# list_if_not ::= expr jmp_true list_iter

21
uncompyle6/semantics/gencomp.py
View File

@@ -384,7 +384,7 @@ class ComprehensionMixin:
while n in ("list_iter", "list_afor", "list_afor2", "comp_iter"):
# iterate one nesting deeper
if self.version == 3.0 and len(n) == 3:
if self.version == (3, 0) and len(n) == 3:
assert n[0] == "expr" and n[1] == "expr"
n = n[1]
elif n == "list_afor":
@@ -397,11 +397,17 @@ class ComprehensionMixin:
n = n[0]
if n in ("list_for", "comp_for"):
if n[2] == "store" and not store:
store = n[2]
n_index = 3
if ((n[2] == "store")
or (self.version == (3, 0) and n[4] == "store") and not store):
if self.version == (3, 0):
store = n[4]
n_index = 5
else:
store = n[2]
if not comp_store:
comp_store = store
n = n[3]
n = n[n_index]
elif n in ("list_if", "list_if_not",
"list_if37", "list_if37_not",
"comp_if", "comp_if_not"):
@@ -443,7 +449,11 @@ class ComprehensionMixin:
self.write(": ")
self.preorder(n[1])
else:
self.preorder(n[0])
if self.version == (3, 0):
body = n[1]
else:
body = n[0]
self.preorder(body)
if node == "list_comp_async":
self.write(" async")
@@ -455,6 +465,7 @@ class ComprehensionMixin:
if comp_store:
self.preorder(comp_store)
comp_store = None
else:
self.preorder(store)