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Python 3.x raise statement reduction

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rocky
2017-12-05 05:57:11 -05:00
parent e12e278efc
commit 03743fa9fc
1 changed files with 20 additions and 9 deletions
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29
uncompyle6/parsers/parse3.py
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@@ -98,14 +98,6 @@ class Python3Parser(PythonParser):
continue_stmts ::= lastl_stmt continue_stmt
continue_stmts ::= continue_stmt
stmt ::= raise_stmt0
stmt ::= raise_stmt1
stmt ::= raise_stmt2
raise_stmt0 ::= RAISE_VARARGS_0
raise_stmt1 ::= expr RAISE_VARARGS_1
raise_stmt2 ::= expr expr RAISE_VARARGS_2
del_stmt ::= delete_subscr
delete_subscr ::= expr expr DELETE_SUBSCR
del_stmt ::= expr DELETE_ATTR
@@ -565,7 +557,8 @@ 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', 'DELETE', 'JUMP', 'LOAD', 'LOOKUP', 'MAKE', 'UNPACK'))
('BUILD', 'CALL', 'DELETE', 'JUMP', 'LOAD', 'LOOKUP', 'MAKE',
'RAISE', 'UNPACK'))
is_pypy = False
seen_LOAD_BUILD_CLASS = False
@@ -952,6 +945,24 @@ class Python3Parser(PythonParser):
(('pos_arg ' * (args_pos)),
('call ' * (annotate_args-1)), opname))
self.add_unique_rule(rule, opname, token.attr, customize)
elif opname == 'RAISE_VARARGS_0':
self.addRule("""
stmt ::= raise_stmt0
raise_stmt0 ::= RAISE_VARARGS_0
""", nop_func)
continue
elif opname == 'RAISE_VARARGS_1':
self.addRule("""
stmt ::= raise_stmt1
raise_stmt1 ::= expr RAISE_VARARGS_1
""", nop_func)
continue
elif opname == 'RAISE_VARARGS_2':
self.addRule("""
stmt ::= raise_stmt2
raise_stmt2 ::= expr expr RAISE_VARARGS_2
""", nop_func)
continue
elif opname_base in ('UNPACK_EX',):
before_count, after_count = token.attr
rule = 'unpack ::= ' + opname + ' store' * (before_count + after_count + 1)