BUILD_MAP is different pre 3.5

This commit is contained in:
rocky 2024-07-13 09:49:00 -04:00
parent d0dc879b37
commit 0627215e98

View File

@ -315,17 +315,25 @@ class Scanner3(Scanner):
if count < 5:
return None
collection_start = i - (count * 2)
assert (count * 2) <= i
if self.version >= (3, 5):
# Newer Python BUILD_MAP argument's count is a
# key and value pair so it is multiplied by two.
collection_start = i - (count * 2)
assert (count * 2) <= i
for j in range(collection_start, i, 2):
if insts[j].opname not in ("LOAD_CONST",):
return None
if insts[j + 1].opname not in ("LOAD_CONST",):
return None
for j in range(collection_start, i, 2):
if insts[j].opname not in ("LOAD_CONST",):
return None
if insts[j + 1].opname not in ("LOAD_CONST",):
return None
collection_start = i - (2 * count)
collection_enum = CONST_COLLECTIONS.index("CONST_MAP")
collection_start = i - (2 * count)
collection_enum = CONST_COLLECTIONS.index("CONST_MAP")
# else: Older Python count is sum of all key and value pairs
# Each pair is added individually like:
# LOAD_CONST ("Max-Age")
# LOAD_CONST ("max-age")
# STORE_MAP
# If we get here, all instructions before tokens[i] are LOAD_CONST and
# we can replace add a boundary marker and change LOAD_CONST to
@ -524,7 +532,7 @@ class Scanner3(Scanner):
if try_tokens is not None:
new_tokens = try_tokens
continue
elif opname in ("BUILD_MAP",):
elif opname in ("BUILD_MAP",) and self.version >= (3, 5):
try_tokens = self.bound_map_from_inst(
self.insts,
new_tokens,