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More Python 2/3 grammar restriction

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rocky
2017-12-14 15:24:01 -05:00
parent 6c552bec07
commit 52f2b9341a
4 changed files with 49 additions and 14 deletions
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25
uncompyle6/parsers/parse3.py
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@@ -562,7 +562,7 @@ class Python3Parser(PythonParser):
# include instructions that don't need customization,
# but we'll do a finer check after the rough breakout.
customize_instruction_basenames = frozenset(
('BUILD', 'CALL', 'CONTINUE', 'DELETE',
('BUILD', 'CALL', 'CONTINUE', 'DELETE', 'GET',
'JUMP', 'LOAD', 'LOOKUP', 'MAKE',
'RAISE', 'UNPACK'))
@@ -733,6 +733,9 @@ class Python3Parser(PythonParser):
('kwarg ' * args_kw) +
'expr ' * nak + opname)
self.add_unique_rule(rule, opname, token.attr, customize)
elif opname == 'CONTINUE':
self.addRule('continue ::= CONTINUE', nop_func)
custom_ops_seen.add(opname)
elif opname == 'CONTINUE_LOOP':
self.addRule('continue ::= CONTINUE_LOOP', nop_func)
custom_ops_seen.add(opname)
@@ -751,6 +754,12 @@ class Python3Parser(PythonParser):
delete_subscr ::= expr expr DELETE_SUBSCR
""", nop_func)
custom_ops_seen.add(opname)
elif opname == 'GET_ITER':
self.addRule("""
expr ::= get_iter
attribute ::= expr GET_ITER
""", nop_func)
custom_ops_seen.add(opname)
elif opname == 'JUMP_IF_NOT_DEBUG':
v = token.attr
self.addRule("""
@@ -782,6 +791,12 @@ class Python3Parser(PythonParser):
"GET_ITER CALL_FUNCTION_1")
self.add_make_function_rule(rule_pat, opname, token.attr, customize)
# listcomp is a custom Python3 rule
elif opname == 'LOAD_ATTR':
self.addRule("""
expr ::= attribute
attribute ::= expr LOAD_ATTR
""", nop_func)
custom_ops_seen.add(opname)
elif opname == 'LOAD_LISTCOMP':
self.add_unique_rule("expr ::= listcomp", opname, token.attr, customize)
elif opname == 'LOAD_SETCOMP':
@@ -792,8 +807,12 @@ class Python3Parser(PythonParser):
"GET_ITER CALL_FUNCTION_1")
self.add_make_function_rule(rule_pat, opname, token.attr, customize)
elif opname == 'LOOKUP_METHOD':
# A PyPy speciality - DRY with parse2
self.addRule("attribute ::= expr LOOKUP_METHOD", nop_func)
# A PyPy speciality - DRY with parse3
self.addRule("""
expr ::= attribute
attribute ::= expr LOOKUP_METHOD
""",
nop_func)
custom_ops_seen.add(opname)
elif opname.startswith('MAKE_CLOSURE'):
# DRY with MAKE_FUNCTION