Grammar lint adjustments

pytest/test_grammar.py

@@ -74,6 +74,11 @@ def test_grammar():
         pass
     pass
 
+    if PYTHON_VERSION_TRIPLE >= (3, 7):
+        expect_lhs.add("set_for")
+        unused_rhs.add("set_iter")
+        pass
+    pass
     # FIXME
     if PYTHON_VERSION_TRIPLE < (3, 8):
         assert expect_lhs == set(lhs)

uncompyle6/parsers/parse3.py

@@ -1072,9 +1072,8 @@ class Python3Parser(PythonParser):
                 # A PyPy speciality - DRY with parse3
                 self.addRule(
                     """
-                             expr      ::= attribute
-                             attribute ::= expr LOOKUP_METHOD
-                             """,
+                    attribute ::= expr LOOKUP_METHOD
+                    """,
                     nop_func,
                 )
                 custom_ops_processed.add(opname)

uncompyle6/parsers/parse37.py

@@ -725,7 +725,6 @@ class Python37Parser(Python37BaseParser):
                       store set_iter
                       jb_or_c _come_froms
 
-        list_if_not_end ::= pjump_ift _come_froms
         # This is seen in PyPy, but possibly it appears on other Python 3?
         list_if     ::= expr jmp_false list_iter COME_FROM
         list_if_not ::= expr jmp_true list_iter COME_FROM

uncompyle6/parsers/parse38.py

@@ -138,7 +138,6 @@ class Python38Parser(Python37Parser):
 
         # while1elsestmt   ::=          l_stmts     JUMP_BACK
         whileTruestmt      ::= _come_froms l_stmts              JUMP_BACK POP_BLOCK
-        while1stmt         ::= _come_froms l_stmts COME_FROM_LOOP
         while1stmt         ::= _come_froms l_stmts COME_FROM JUMP_BACK COME_FROM_LOOP
         whileTruestmt38    ::= _come_froms l_stmts JUMP_BACK
         whileTruestmt38    ::= _come_froms l_stmts JUMP_BACK COME_FROM_EXCEPT_CLAUSE