Files
python-uncompyle6/uncompyle6/parsers/parse27.py
2016-07-27 13:19:42 -04:00

78 lines
2.5 KiB
Python

# Copyright (c) 2016 Rocky Bernstein
# Copyright (c) 2005 by Dan Pascu <dan@windowmaker.org>
# Copyright (c) 2000-2002 by hartmut Goebel <hartmut@goebel.noris.de>
from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
from uncompyle6.parser import PythonParserSingle
from uncompyle6.parsers.parse2 import Python2Parser
class Python27Parser(Python2Parser):
def __init__(self, debug_parser=PARSER_DEFAULT_DEBUG):
super(Python27Parser, self).__init__(debug_parser)
self.customized = {}
def p_list_comprehension27(self, args):
"""
list_for ::= expr _for designator list_iter JUMP_BACK
list_compr ::= expr BUILD_LIST_FROM_ARG _for designator list_iter JUMP_BACK
"""
def p_try27(self, args):
"""
try_middle ::= JUMP_FORWARD COME_FROM except_stmts
END_FINALLY COME_FROM
try_middle ::= jmp_abs COME_FROM except_stmts
END_FINALLY
tryelsestmt ::= SETUP_EXCEPT suite_stmts_opt POP_BLOCK
try_middle else_suite COME_FROM
except_cond1 ::= DUP_TOP expr COMPARE_OP
jmp_false POP_TOP POP_TOP POP_TOP
except_cond2 ::= DUP_TOP expr COMPARE_OP
jmp_false POP_TOP designator POP_TOP
"""
def p_jump27(self, args):
"""
_ifstmts_jump ::= c_stmts_opt JUMP_FORWARD COME_FROM
jmp_false ::= POP_JUMP_IF_FALSE
jmp_true ::= POP_JUMP_IF_TRUE
bp_come_from ::= POP_BLOCK COME_FROM
"""
def p_stmt27(self, args):
"""
# assert condition
assert ::= assert_expr jmp_true LOAD_ASSERT RAISE_VARARGS_1
# assert condition, expr
assert2 ::= assert_expr jmp_true LOAD_ASSERT expr RAISE_VARARGS_2
withstmt ::= expr SETUP_WITH POP_TOP suite_stmts_opt
POP_BLOCK LOAD_CONST COME_FROM
WITH_CLEANUP END_FINALLY
withasstmt ::= expr SETUP_WITH designator suite_stmts_opt
POP_BLOCK LOAD_CONST COME_FROM
WITH_CLEANUP END_FINALLY
while1stmt ::= SETUP_LOOP l_stmts_opt JUMP_BACK POP_BLOCK COME_FROM
# Common with 2.6
while1stmt ::= SETUP_LOOP return_stmts bp_come_from
while1stmt ::= SETUP_LOOP return_stmts COME_FROM
"""
class Python27ParserSingle(Python27Parser, PythonParserSingle):
pass
if __name__ == '__main__':
# Check grammar
p = Python27Parser()
p.checkGrammar()