You've already forked python-uncompyle6
mirror of
https://github.com/rocky/python-uncompyle6.git
synced 2025-08-03 00:45:53 +08:00
47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
# Copyright (c) 2016 Rocky Bernstein
|
|
"""
|
|
spark grammar differences over Python2.5 for Python 2.4.
|
|
"""
|
|
|
|
from uncompyle6.parser import PythonParserSingle
|
|
from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
|
|
from uncompyle6.parsers.parse25 import Python25Parser
|
|
|
|
class Python24Parser(Python25Parser):
|
|
def __init__(self, debug_parser=PARSER_DEFAULT_DEBUG):
|
|
super(Python24Parser, self).__init__(debug_parser)
|
|
self.customized = {}
|
|
|
|
def p_misc24(self, args):
|
|
'''
|
|
# 2.5+ has two LOAD_CONSTs, one for the number '.'s in a relative import
|
|
# keep positions similar to simplify semantic actions
|
|
|
|
importstmt ::= filler LOAD_CONST import_as
|
|
importfrom ::= filler LOAD_CONST IMPORT_NAME importlist2 POP_TOP
|
|
importstar ::= filler LOAD_CONST IMPORT_NAME IMPORT_STAR
|
|
|
|
importmultiple ::= filler LOAD_CONST import_as imports_cont
|
|
import_cont ::= filler LOAD_CONST import_as_cont
|
|
|
|
# Python 2.5+ omits POP_TOP POP_BLOCK
|
|
while1stmt ::= SETUP_LOOP l_stmts JUMP_BACK POP_TOP POP_BLOCK COME_FROM
|
|
while1stmt ::= SETUP_LOOP l_stmts_opt JUMP_BACK POP_TOP POP_BLOCK COME_FROM
|
|
|
|
# Python 2.5+:
|
|
# call_stmt ::= expr POP_TOP
|
|
# expr ::= yield
|
|
call_stmt ::= yield
|
|
|
|
# Python 2.5+ adds POP_TOP at the end
|
|
gen_comp_body ::= expr YIELD_VALUE
|
|
'''
|
|
|
|
class Python24ParserSingle(Python24Parser, PythonParserSingle):
|
|
pass
|
|
|
|
if __name__ == '__main__':
|
|
# Check grammar
|
|
p = Python24Parser()
|
|
p.checkGrammar()
|