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Grammar debugging for 3.0, 3.7 and 3.8

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rocky
2019-11-16 17:59:30 -05:00
parent f1496cad4d
commit df5df9364c
3 changed files with 41 additions and 40 deletions
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48
uncompyle6/parsers/parse37.py
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@@ -141,31 +141,6 @@ class Python37Parser(Python36Parser):
"""
def customize_grammar_rules(self, tokens, customize):
self.remove_rules("""
async_forelse_stmt ::= SETUP_LOOP expr
GET_AITER
LOAD_CONST YIELD_FROM SETUP_EXCEPT GET_ANEXT LOAD_CONST
YIELD_FROM
store
POP_BLOCK JUMP_FORWARD COME_FROM_EXCEPT DUP_TOP
LOAD_GLOBAL COMPARE_OP POP_JUMP_IF_FALSE
POP_TOP POP_TOP POP_TOP POP_EXCEPT POP_BLOCK
JUMP_ABSOLUTE END_FINALLY COME_FROM
for_block POP_BLOCK
else_suite COME_FROM_LOOP
stmt ::= async_for_stmt36
async_for_stmt36 ::= SETUP_LOOP expr
GET_AITER
LOAD_CONST YIELD_FROM SETUP_EXCEPT GET_ANEXT LOAD_CONST
YIELD_FROM
store
POP_BLOCK JUMP_BACK COME_FROM_EXCEPT DUP_TOP
LOAD_GLOBAL COMPARE_OP POP_JUMP_IF_TRUE
END_FINALLY continues COME_FROM
POP_TOP POP_TOP POP_TOP POP_EXCEPT
POP_TOP POP_BLOCK
COME_FROM_LOOP
""")
super(Python37Parser, self).customize_grammar_rules(tokens, customize)
class Python37ParserSingle(Python37Parser, PythonParserSingle):
@@ -173,22 +148,33 @@ class Python37ParserSingle(Python37Parser, PythonParserSingle):
if __name__ == '__main__':
# Check grammar
# FIXME: DRY this with other parseXX.py routines
p = Python37Parser()
p.check_grammar()
from uncompyle6 import PYTHON_VERSION, IS_PYPY
if PYTHON_VERSION == 3.7:
lhs, rhs, tokens, right_recursive, dup_rhs = p.check_sets()
from uncompyle6.scanner import get_scanner
s = get_scanner(PYTHON_VERSION, IS_PYPY)
opcode_set = set(s.opc.opname).union(set(
"""JUMP_BACK CONTINUE RETURN_END_IF COME_FROM
opcode_set = set(s.opc.opname).union(
set(
"""JUMP_BACK CONTINUE RETURN_END_IF COME_FROM
LOAD_GENEXPR LOAD_ASSERT LOAD_SETCOMP LOAD_DICTCOMP LOAD_CLASSNAME
LAMBDA_MARKER RETURN_LAST
""".split()))
""".split()
)
)
remain_tokens = set(tokens) - opcode_set
import re
remain_tokens = set([re.sub(r'_\d+$', '', t) for t in remain_tokens])
remain_tokens = set([re.sub('_CONT$', '', t) for t in remain_tokens])
remain_tokens = set([re.sub(r"_\d+$", "", t) for t in remain_tokens])
remain_tokens = set([re.sub("_CONT$", "", t) for t in remain_tokens])
remain_tokens = set(remain_tokens) - opcode_set
print(remain_tokens)
# print(sorted(p.rule2name.items()))
import sys
if len(sys.argv) > 1:
from spark_parser.spark import rule2str
for rule in sorted(p.rule2name.items()):
print(rule2str(rule[0]))