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66 lines
2.6 KiB
Python
66 lines
2.6 KiB
Python
import re
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from uncompyle6 import PYTHON_VERSION, PYTHON3, IS_PYPY # , PYTHON_VERSION
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from uncompyle6.parser import get_python_parser, python_parser
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from uncompyle6.scanner import get_scanner
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def test_grammar():
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def check_tokens(tokens, opcode_set):
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remain_tokens = set(tokens) - opcode_set
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remain_tokens = set([re.sub('_\d+$','', t) for t in remain_tokens])
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remain_tokens = set([re.sub('_CONT$','', t) for t in remain_tokens])
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remain_tokens = set(remain_tokens) - opcode_set
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assert remain_tokens == set([]), \
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"Remaining tokens %s\n====\n%s" % (remain_tokens, p.dumpGrammar())
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p = get_python_parser(PYTHON_VERSION, is_pypy=IS_PYPY)
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lhs, rhs, tokens, right_recursive = p.checkSets()
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expect_lhs = set(['expr1024', 'pos_arg'])
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unused_rhs = set(['build_list', 'call_function', 'mkfunc',
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'mklambda',
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'unpack', 'unpack_list'])
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expect_right_recursive = [['designList', ('designator', 'DUP_TOP', 'designList')]]
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if PYTHON3:
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expect_lhs.add('load_genexpr')
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unused_rhs = unused_rhs.union(set("""
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except_pop_except genexpr classdefdeco2 listcomp
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""".split()))
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if 3.0 <= PYTHON_VERSION:
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expect_lhs.add("annotate_arg")
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expect_lhs.add("annotate_tuple")
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unused_rhs.add("mkfunc_annotate")
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pass
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else:
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expect_lhs.add('kwarg')
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assert expect_lhs == set(lhs)
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assert unused_rhs == set(rhs)
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assert expect_right_recursive == right_recursive
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s = get_scanner(PYTHON_VERSION, IS_PYPY)
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ignore_set = set(
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"""
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JUMP_BACK CONTINUE RETURN_END_IF
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COME_FROM COME_FROM_EXCEPT
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COME_FROM_EXCEPT_CLAUSE
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COME_FROM_LOOP COME_FROM_WITH
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COME_FROM_FINALLY ELSE
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LOAD_GENEXPR LOAD_ASSERT LOAD_SETCOMP LOAD_DICTCOMP
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LAMBDA_MARKER RETURN_LAST
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""".split())
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if 2.6 <= PYTHON_VERSION <= 2.7:
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opcode_set = set(s.opc.opname).union(ignore_set)
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check_tokens(tokens, opcode_set)
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elif PYTHON_VERSION == 3.4:
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ignore_set.add('LOAD_CLASSNAME')
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ignore_set.add('STORE_LOCALS')
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opcode_set = set(s.opc.opname).union(ignore_set)
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check_tokens(tokens, opcode_set)
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def test_dup_rule():
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import inspect
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python_parser(PYTHON_VERSION, inspect.currentframe().f_code,
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is_pypy=IS_PYPY,
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parser_debug={
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'dups': True, 'transition': False, 'reduce': False,
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'rules': False, 'errorstack': None, 'context': True})
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