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Handle long 2.x bytecode literals more efficiently

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rocky
2022-04-27 13:47:56 -04:00
parent cfd6166d8d
commit 8e5faa933f
7 changed files with 153 additions and 15 deletions
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8
uncompyle6/parsers/parse2.py
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@@ -312,6 +312,14 @@ class Python2Parser(PythonParser):
opname_base = opname[: opname.rfind("_")]
if opname in ("BUILD_CONST_LIST", "BUILD_CONST_SET"):
rule = """
add_consts ::= ADD_VALUE*
const_list ::= COLLECTION_START add_consts %s
expr ::= const_list
""" % opname
self.addRule(rule, nop_func)
# The order of opname listed is roughly sorted below
if opname_base in ("BUILD_LIST", "BUILD_SET", "BUILD_TUPLE"):
# We do this complicated test to speed up parsing of

19
uncompyle6/parsers/parse3.py
View File

@@ -748,18 +748,37 @@ class Python3Parser(PythonParser):
kvlist_n = "expr " * (token.attr)
rule = "dict ::= %sLOAD_CONST %s" % (kvlist_n, opname)
self.addRule(rule, nop_func)
elif opname in ("BUILD_CONST_LIST", "BUILD_CONST_DICT", "BUILD_CONST_SET"):
if opname == "BUILD_CONST_DICT":
rule = """
add_consts ::= ADD_VALUE*
const_list ::= COLLECTION_START add_consts %s
dict ::= const_list
expr ::= dict
""" % opname
else:
rule = """
add_consts ::= ADD_VALUE*
const_list ::= COLLECTION_START add_consts %s
expr ::= const_list
""" % opname
self.addRule(rule, nop_func)
elif opname.startswith("BUILD_DICT_OLDER"):
rule = """dict ::= COLLECTION_START key_value_pairs BUILD_DICT_OLDER
key_value_pairs ::= key_value_pair+
key_value_pair ::= ADD_KEY ADD_VALUE
"""
self.addRule(rule, nop_func)
elif opname.startswith("BUILD_LIST_UNPACK"):
v = token.attr
rule = "build_list_unpack ::= %s%s" % ("expr " * v, opname)
self.addRule(rule, nop_func)
rule = "expr ::= build_list_unpack"
self.addRule(rule, nop_func)
elif opname_base in ("BUILD_MAP", "BUILD_MAP_UNPACK"):
kvlist_n = "kvlist_%s" % token.attr
if opname == "BUILD_MAP_n":